xserver libX11 Xextproto mesa Git update 28 Feb 2011

16 files changed, 11325 insertions, 9977 deletions

diff --git a/mesalib/src/glsl/Makefile b/mesalib/src/glsl/Makefile
index f964b7487..df031d2d5 100644
--- a/mesalib/src/glsl/Makefile
+++ b/mesalib/src/glsl/Makefile
@@ -1,213 +1,213 @@
-

-#src/glsl/pp/Makefile

-

-TOP = ../..

-

-include $(TOP)/configs/current

-

-LIBNAME = glsl

-

-LIBGLCPP_SOURCES = \

-	glcpp/glcpp-lex.c \

-	glcpp/glcpp-parse.c \

-	glcpp/pp.c

-

-GLCPP_SOURCES = \

-	$(LIBGLCPP_SOURCES) \

-	ralloc.c \

-	glcpp/glcpp.c

-

-C_SOURCES = \

-	strtod.c \

-	ralloc.c \

-	$(LIBGLCPP_SOURCES)

-

-CXX_SOURCES = \

-	ast_expr.cpp \

-	ast_function.cpp \

-	ast_to_hir.cpp \

-	ast_type.cpp \

-	glsl_lexer.cpp \

-	glsl_parser.cpp \

-	glsl_parser_extras.cpp \

-	glsl_types.cpp \

-	glsl_symbol_table.cpp \

-	hir_field_selection.cpp \

-	ir_basic_block.cpp \

-	ir_clone.cpp \

-	ir_constant_expression.cpp \

-	ir.cpp \

-	ir_expression_flattening.cpp \

-	ir_function_can_inline.cpp \

-	ir_function.cpp \

-	ir_hierarchical_visitor.cpp \

-	ir_hv_accept.cpp \

-	ir_import_prototypes.cpp \

-	ir_print_visitor.cpp \

-	ir_reader.cpp \

-	ir_rvalue_visitor.cpp \

-	ir_set_program_inouts.cpp \

-	ir_validate.cpp \

-	ir_variable.cpp \

-	ir_variable_refcount.cpp \

-	linker.cpp \

-	link_functions.cpp \

-	loop_analysis.cpp \

-	loop_controls.cpp \

-	loop_unroll.cpp \

-	lower_discard.cpp \

-	lower_if_to_cond_assign.cpp \

-	lower_instructions.cpp \

-	lower_jumps.cpp \

-	lower_mat_op_to_vec.cpp \

-	lower_noise.cpp \

-	lower_texture_projection.cpp \

-	lower_variable_index_to_cond_assign.cpp \

-	lower_vec_index_to_cond_assign.cpp \

-	lower_vec_index_to_swizzle.cpp \

-	lower_vector.cpp \

-	opt_algebraic.cpp \

-	opt_constant_folding.cpp \

-	opt_constant_propagation.cpp \

-	opt_constant_variable.cpp \

-	opt_copy_propagation.cpp \

-	opt_copy_propagation_elements.cpp \

-	opt_dead_code.cpp \

-	opt_dead_code_local.cpp \

-	opt_dead_functions.cpp \

-	opt_discard_simplification.cpp \

-	opt_function_inlining.cpp \

-	opt_if_simplification.cpp \

-	opt_noop_swizzle.cpp \

-	opt_redundant_jumps.cpp \

-	opt_structure_splitting.cpp \

-	opt_swizzle_swizzle.cpp \

-	opt_tree_grafting.cpp \

-	s_expression.cpp

-

-LIBS = \

-	$(TOP)/src/glsl/libglsl.a

-

-APPS = glsl_compiler glcpp/glcpp

-

-GLSL2_C_SOURCES = \

-	../mesa/program/hash_table.c \

-	../mesa/program/symbol_table.c

-GLSL2_CXX_SOURCES = \

-	main.cpp

-

-GLSL2_OBJECTS = \

-	$(GLSL2_C_SOURCES:.c=.o) \

-	$(GLSL2_CXX_SOURCES:.cpp=.o)

-

-### Basic defines ###

-

-DEFINES += \

-	$(LIBRARY_DEFINES) \

-	$(API_DEFINES)

-

-GLCPP_OBJECTS = \

-	$(GLCPP_SOURCES:.c=.o) \

-	../mesa/program/hash_table.o

-

-OBJECTS = \

-	$(C_SOURCES:.c=.o) \

-	$(CXX_SOURCES:.cpp=.o)

-

-DRICORE_OBJ_DIR = obj-visible

-OBJECTS_DRICORE = $(addprefix $(DRICORE_OBJ_DIR)/,$(OBJECTS))

-

-INCLUDES = \

-	-I. \

-	-I../mesa \

-	-I../mapi \

-	-I../../include \

-	$(LIBRARY_INCLUDES)

-

-ALL_SOURCES = \

-	$(C_SOURCES) \

-	$(CXX_SOURCES) \

-	$(GLSL2_CXX_SOURCES) \

-	$(GLSL2_C_SOURCES)

-

-##### TARGETS #####

-

-default: depend lib$(LIBNAME).a $(APPS) $(DRICORE_GLSL_LIBS)

-

-$(TOP)/$(LIB_DIR)/libglsl.so: $(OBJECTS_DRICORE) builtin_function.o Makefile $(TOP)/src/glsl/Makefile.template

-	$(MKLIB) -o $@ -linker '$(CXX)' -ldflags '$(LDFLAGS)' \

-		-cplusplus -noprefix \

-		-install $(TOP)/$(LIB_DIR) -id $(INSTALL_LIB_DIR)/$@.dylib \

-		$(OBJECTS_DRICORE) builtin_function.o

-

-lib$(LIBNAME).a: $(OBJECTS) builtin_function.o Makefile $(TOP)/src/glsl/Makefile.template

-	$(MKLIB) -cplusplus -o $(LIBNAME) -static $(OBJECTS) builtin_function.o

-

-depend: $(ALL_SOURCES) Makefile

-	rm -f depend

-	touch depend

-	$(MKDEP) $(MKDEP_OPTIONS) $(INCLUDES) $(ALL_SOURCES) 2> /dev/null

-

-# Remove .o and backup files

-clean: clean-dricore

-	rm -f $(GLCPP_OBJECTS) $(GLSL2_OBJECTS) $(OBJECTS) lib$(LIBNAME).a depend depend.bak builtin_function.cpp builtin_function.o builtin_stubs.o builtin_compiler

-	-rm -f $(APPS)

-

-clean-dricore:

-	-rm -f $(DRICORE_OBJ_DIR) $(TOP)/$(LIB_DIR)/libglsl.so libglsl.so

-

-ifneq (,$(DRICORE_GLSL_LIBS))

-DRICORE_INSTALL_TARGET = install-dricore

-endif

-

-# Dummy target

-install: $(DRICORE_INSTALL_TARGET)

-	@echo -n ""

-

-install-dricore: default

-	$(INSTALL) -d $(DESTDIR)$(DRI_DRIVER_INSTALL_DIR)

-	$(INSTALL) -m 755 $(DRICORE_GLSL_LIBS) $(DESTDIR)$(DRI_DRIVER_INSTALL_DIR)

-

-##### RULES #####

-

-glsl_compiler: $(GLSL2_OBJECTS) libglsl.a builtin_stubs.o

-	$(APP_CXX) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $(GLSL2_OBJECTS) builtin_stubs.o $(LIBS) -o $@

-

-glcpp: glcpp/glcpp

-glcpp/glcpp: $(GLCPP_OBJECTS)

-	$(APP_CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $(GLCPP_OBJECTS) -o $@

-

-.cpp.o:

-	$(CXX) -c $(INCLUDES) $(CXXFLAGS) $(DEFINES) $< -o $@

-

-.c.o:

-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@

-

-$(DRICORE_OBJ_DIR)/%.o : %.cpp

-	@mkdir -p $(dir $@)

-	$(CXX) -c $(INCLUDES) $(DRI_CXXFLAGS) $(DEFINES) $< -o $@

-

-$(DRICORE_OBJ_DIR)/%.o : %.c

-	@mkdir -p $(dir $@)

-	$(CC) -c $(INCLUDES) $(DRI_CFLAGS) $(DEFINES) $< -o $@

-

-glsl_lexer.cpp: glsl_lexer.lpp

-	flex --nounistd -o$@  $<

-

-glsl_parser.cpp: glsl_parser.ypp

-	bison -v -o "$@" -p "_mesa_glsl_" --defines=glsl_parser.h $<

-

-glcpp/glcpp-lex.c: glcpp/glcpp-lex.l

-	flex --nounistd -o$@  $<

-

-glcpp/glcpp-parse.c: glcpp/glcpp-parse.y

-	bison -v -o "$@" --defines=glcpp/glcpp-parse.h $<

-

-builtin_compiler: $(GLSL2_OBJECTS) $(OBJECTS) builtin_stubs.o

-	$(APP_CXX) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $(OBJECTS) $(GLSL2_OBJECTS) builtin_stubs.o -o $@

-

-builtin_function.cpp: builtins/profiles/* builtins/ir/* builtins/tools/generate_builtins.py builtins/tools/texture_builtins.py builtin_compiler

-	@echo Regenerating builtin_function.cpp...

-	$(PYTHON2) $(PYTHON_FLAGS) builtins/tools/generate_builtins.py ./builtin_compiler > builtin_function.cpp

-

--include depend

+
+#src/glsl/pp/Makefile
+
+TOP = ../..
+
+include $(TOP)/configs/current
+
+LIBNAME = glsl
+
+LIBGLCPP_SOURCES = \
+	glcpp/glcpp-lex.c \
+	glcpp/glcpp-parse.c \
+	glcpp/pp.c
+
+GLCPP_SOURCES = \
+	$(LIBGLCPP_SOURCES) \
+	ralloc.c \
+	glcpp/glcpp.c
+
+C_SOURCES = \
+	strtod.c \
+	ralloc.c \
+	$(LIBGLCPP_SOURCES)
+
+CXX_SOURCES = \
+	ast_expr.cpp \
+	ast_function.cpp \
+	ast_to_hir.cpp \
+	ast_type.cpp \
+	glsl_lexer.cpp \
+	glsl_parser.cpp \
+	glsl_parser_extras.cpp \
+	glsl_types.cpp \
+	glsl_symbol_table.cpp \
+	hir_field_selection.cpp \
+	ir_basic_block.cpp \
+	ir_clone.cpp \
+	ir_constant_expression.cpp \
+	ir.cpp \
+	ir_expression_flattening.cpp \
+	ir_function_can_inline.cpp \
+	ir_function.cpp \
+	ir_hierarchical_visitor.cpp \
+	ir_hv_accept.cpp \
+	ir_import_prototypes.cpp \
+	ir_print_visitor.cpp \
+	ir_reader.cpp \
+	ir_rvalue_visitor.cpp \
+	ir_set_program_inouts.cpp \
+	ir_validate.cpp \
+	ir_variable.cpp \
+	ir_variable_refcount.cpp \
+	linker.cpp \
+	link_functions.cpp \
+	loop_analysis.cpp \
+	loop_controls.cpp \
+	loop_unroll.cpp \
+	lower_discard.cpp \
+	lower_if_to_cond_assign.cpp \
+	lower_instructions.cpp \
+	lower_jumps.cpp \
+	lower_mat_op_to_vec.cpp \
+	lower_noise.cpp \
+	lower_texture_projection.cpp \
+	lower_variable_index_to_cond_assign.cpp \
+	lower_vec_index_to_cond_assign.cpp \
+	lower_vec_index_to_swizzle.cpp \
+	lower_vector.cpp \
+	opt_algebraic.cpp \
+	opt_constant_folding.cpp \
+	opt_constant_propagation.cpp \
+	opt_constant_variable.cpp \
+	opt_copy_propagation.cpp \
+	opt_copy_propagation_elements.cpp \
+	opt_dead_code.cpp \
+	opt_dead_code_local.cpp \
+	opt_dead_functions.cpp \
+	opt_discard_simplification.cpp \
+	opt_function_inlining.cpp \
+	opt_if_simplification.cpp \
+	opt_noop_swizzle.cpp \
+	opt_redundant_jumps.cpp \
+	opt_structure_splitting.cpp \
+	opt_swizzle_swizzle.cpp \
+	opt_tree_grafting.cpp \
+	s_expression.cpp
+
+LIBS = \
+	$(TOP)/src/glsl/libglsl.a
+
+APPS = glsl_compiler glcpp/glcpp
+
+GLSL2_C_SOURCES = \
+	../mesa/program/hash_table.c \
+	../mesa/program/symbol_table.c
+GLSL2_CXX_SOURCES = \
+	main.cpp
+
+GLSL2_OBJECTS = \
+	$(GLSL2_C_SOURCES:.c=.o) \
+	$(GLSL2_CXX_SOURCES:.cpp=.o)
+
+### Basic defines ###
+
+DEFINES += \
+	$(LIBRARY_DEFINES) \
+	$(API_DEFINES)
+
+GLCPP_OBJECTS = \
+	$(GLCPP_SOURCES:.c=.o) \
+	../mesa/program/hash_table.o
+
+OBJECTS = \
+	$(C_SOURCES:.c=.o) \
+	$(CXX_SOURCES:.cpp=.o)
+
+DRICORE_OBJ_DIR = obj-visible
+OBJECTS_DRICORE = $(addprefix $(DRICORE_OBJ_DIR)/,$(OBJECTS))
+
+INCLUDES = \
+	-I. \
+	-I../mesa \
+	-I../mapi \
+	-I../../include \
+	$(LIBRARY_INCLUDES)
+
+ALL_SOURCES = \
+	$(C_SOURCES) \
+	$(CXX_SOURCES) \
+	$(GLSL2_CXX_SOURCES) \
+	$(GLSL2_C_SOURCES)
+
+##### TARGETS #####
+
+default: depend lib$(LIBNAME).a $(APPS) $(DRICORE_GLSL_LIBS)
+
+$(TOP)/$(LIB_DIR)/libglsl.so: $(OBJECTS_DRICORE) builtin_function.o Makefile $(TOP)/src/glsl/Makefile.template
+	$(MKLIB) -o $@ -linker '$(CXX)' -ldflags '$(LDFLAGS)' \
+		-cplusplus -noprefix \
+		-install $(TOP)/$(LIB_DIR) -id $(INSTALL_LIB_DIR)/$@.dylib \
+		$(OBJECTS_DRICORE) builtin_function.o
+
+lib$(LIBNAME).a: $(OBJECTS) builtin_function.o Makefile $(TOP)/src/glsl/Makefile.template
+	$(MKLIB) -cplusplus -o $(LIBNAME) -static $(OBJECTS) builtin_function.o
+
+depend: $(ALL_SOURCES) Makefile
+	rm -f depend
+	touch depend
+	$(MKDEP) $(MKDEP_OPTIONS) $(INCLUDES) $(ALL_SOURCES) 2> /dev/null
+
+# Remove .o and backup files
+clean: clean-dricore
+	rm -f $(GLCPP_OBJECTS) $(GLSL2_OBJECTS) $(OBJECTS) lib$(LIBNAME).a depend depend.bak builtin_function.cpp builtin_function.o builtin_stubs.o builtin_compiler
+	-rm -f $(APPS)
+
+clean-dricore:
+	-rm -f $(DRICORE_OBJ_DIR) $(TOP)/$(LIB_DIR)/libglsl.so libglsl.so
+
+ifneq (,$(DRICORE_GLSL_LIBS))
+DRICORE_INSTALL_TARGET = install-dricore
+endif
+
+# Dummy target
+install: $(DRICORE_INSTALL_TARGET)
+	@echo -n ""
+
+install-dricore: default
+	$(INSTALL) -d $(DESTDIR)$(DRI_DRIVER_INSTALL_DIR)
+	$(INSTALL) -m 755 $(DRICORE_GLSL_LIBS) $(DESTDIR)$(DRI_DRIVER_INSTALL_DIR)
+
+##### RULES #####
+
+glsl_compiler: $(GLSL2_OBJECTS) libglsl.a builtin_stubs.o
+	$(APP_CXX) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $(GLSL2_OBJECTS) builtin_stubs.o $(LIBS) -o $@
+
+glcpp: glcpp/glcpp
+glcpp/glcpp: $(GLCPP_OBJECTS)
+	$(APP_CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $(GLCPP_OBJECTS) -o $@
+
+.cpp.o:
+	$(CXX) -c $(INCLUDES) $(CXXFLAGS) $(DEFINES) $< -o $@
+
+.c.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+
+$(DRICORE_OBJ_DIR)/%.o : %.cpp
+	@mkdir -p $(dir $@)
+	$(CXX) -c $(INCLUDES) $(DRI_CXXFLAGS) $(DEFINES) $< -o $@
+
+$(DRICORE_OBJ_DIR)/%.o : %.c
+	@mkdir -p $(dir $@)
+	$(CC) -c $(INCLUDES) $(DRI_CFLAGS) $(DEFINES) $< -o $@
+
+glsl_lexer.cpp: glsl_lexer.lpp
+	flex --nounistd -o$@  $<
+
+glsl_parser.cpp: glsl_parser.ypp
+	bison -v -o "$@" -p "_mesa_glsl_" --defines=glsl_parser.h $<
+
+glcpp/glcpp-lex.c: glcpp/glcpp-lex.l
+	flex --nounistd -o$@  $<
+
+glcpp/glcpp-parse.c: glcpp/glcpp-parse.y
+	bison -v -o "$@" --defines=glcpp/glcpp-parse.h $<
+
+builtin_compiler: $(GLSL2_OBJECTS) $(OBJECTS) builtin_stubs.o
+	$(APP_CXX) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $(OBJECTS) $(GLSL2_OBJECTS) builtin_stubs.o -o $@
+
+builtin_function.cpp: builtins/profiles/* builtins/ir/* builtins/tools/generate_builtins.py builtins/tools/texture_builtins.py builtin_compiler
+	@echo Regenerating builtin_function.cpp...
+	$(PYTHON2) $(PYTHON_FLAGS) builtins/tools/generate_builtins.py ./builtin_compiler > builtin_function.cpp || rm -f builtin_function.cpp
+
+-include depend
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index 9f58b45e2..310740b0d 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -1,915 +1,916 @@
-/*

- * Mesa 3-D graphics library

- * Version:  7.6

- *

- * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.

- * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included

- * in all copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- */

-

-

-/**

- * \file

- * \brief Extension handling

- */

-

-

-#include "glheader.h"

-#include "imports.h"

-#include "context.h"

-#include "extensions.h"

-#include "mfeatures.h"

-#include "mtypes.h"

-

-enum {

-   DISABLE = 0,

-   GL  = 1 << API_OPENGL,

-   ES1 = 1 << API_OPENGLES,

-   ES2 = 1 << API_OPENGLES2,

-};

-

-/**

- * \brief An element of the \c extension_table.

- */

-struct extension {

-   /** Name of extension, such as "GL_ARB_depth_clamp". */

-   const char *name;

-

-   /** Offset (in bytes) of the corresponding member in struct gl_extensions. */

-   size_t offset;

-

-   /** Set of API's in which the extension exists, as a bitset. */

-   uint8_t api_set;

-};

-

-

-/**

- * Given a member \c x of struct gl_extensions, return offset of

- * \c x in bytes.

- */

-#define o(x) offsetof(struct gl_extensions, x)

-

-

-/**

- * \brief Table of supported OpenGL extensions for all API's.

- *

- * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions.

- */

-static const struct extension extension_table[] = {

-   /* ARB Extensions */

-   { "GL_ARB_ES2_compatibility",                   o(ARB_ES2_compatibility),                   GL             },

-   { "GL_ARB_blend_func_extended",                 o(ARB_blend_func_extended),                 GL             },

-   { "GL_ARB_copy_buffer",                         o(ARB_copy_buffer),                         GL             },

-   { "GL_ARB_depth_buffer_float",                  o(ARB_depth_buffer_float),                  GL             },

-   { "GL_ARB_depth_clamp",                         o(ARB_depth_clamp),                         GL             },

-   { "GL_ARB_depth_texture",                       o(ARB_depth_texture),                       GL             },

-   { "GL_ARB_draw_buffers",                        o(ARB_draw_buffers),                        GL             },

-   { "GL_ARB_draw_buffers_blend",                  o(ARB_draw_buffers_blend),                  GL             },

-   { "GL_ARB_draw_elements_base_vertex",           o(ARB_draw_elements_base_vertex),           GL             },

-   { "GL_ARB_draw_instanced",                      o(ARB_draw_instanced),                      GL             },

-   { "GL_ARB_explicit_attrib_location",            o(ARB_explicit_attrib_location),            GL             },

-   { "GL_ARB_fragment_coord_conventions",          o(ARB_fragment_coord_conventions),          GL             },

-   { "GL_ARB_fragment_program",                    o(ARB_fragment_program),                    GL             },

-   { "GL_ARB_fragment_program_shadow",             o(ARB_fragment_program_shadow),             GL             },

-   { "GL_ARB_fragment_shader",                     o(ARB_fragment_shader),                     GL             },

-   { "GL_ARB_framebuffer_object",                  o(ARB_framebuffer_object),                  GL             },

-   { "GL_ARB_framebuffer_sRGB",                    o(EXT_framebuffer_sRGB),                    GL             },

-   { "GL_ARB_half_float_pixel",                    o(ARB_half_float_pixel),                    GL             },

-   { "GL_ARB_half_float_vertex",                   o(ARB_half_float_vertex),                   GL             },

-   { "GL_ARB_instanced_arrays",                    o(ARB_instanced_arrays),                    GL             },

-   { "GL_ARB_map_buffer_range",                    o(ARB_map_buffer_range),                    GL             },

-   { "GL_ARB_multisample",                         o(ARB_multisample),                         GL             },

-   { "GL_ARB_multitexture",                        o(ARB_multitexture),                        GL             },

-   { "GL_ARB_occlusion_query2",                    o(ARB_occlusion_query2),                    GL             },

-   { "GL_ARB_occlusion_query",                     o(ARB_occlusion_query),                     GL             },

-   { "GL_ARB_pixel_buffer_object",                 o(EXT_pixel_buffer_object),                 GL             },

-   { "GL_ARB_point_parameters",                    o(EXT_point_parameters),                    GL             },

-   { "GL_ARB_point_sprite",                        o(ARB_point_sprite),                        GL             },

-   { "GL_ARB_provoking_vertex",                    o(EXT_provoking_vertex),                    GL             },

-   { "GL_ARB_sampler_objects",                     o(ARB_sampler_objects),                     GL             },

-   { "GL_ARB_seamless_cube_map",                   o(ARB_seamless_cube_map),                   GL             },

-   { "GL_ARB_shader_objects",                      o(ARB_shader_objects),                      GL             },

-   { "GL_ARB_shader_stencil_export",               o(ARB_shader_stencil_export),               GL             },

-   { "GL_ARB_shading_language_100",                o(ARB_shading_language_100),                GL             },

-   { "GL_ARB_shadow_ambient",                      o(ARB_shadow_ambient),                      GL             },

-   { "GL_ARB_shadow",                              o(ARB_shadow),                              GL             },

-   { "GL_ARB_sync",                                o(ARB_sync),                                GL             },

-   { "GL_ARB_texture_border_clamp",                o(ARB_texture_border_clamp),                GL             },

-   { "GL_ARB_texture_buffer_object",               o(ARB_texture_buffer_object),               GL             },

-   { "GL_ARB_texture_compression",                 o(ARB_texture_compression),                 GL             },

-   { "GL_ARB_texture_compression_rgtc",            o(ARB_texture_compression_rgtc),            GL             },

-   { "GL_ARB_texture_cube_map",                    o(ARB_texture_cube_map),                    GL             },

-   { "GL_ARB_texture_env_add",                     o(EXT_texture_env_add),                     GL             },

-   { "GL_ARB_texture_env_combine",                 o(ARB_texture_env_combine),                 GL             },

-   { "GL_ARB_texture_env_crossbar",                o(ARB_texture_env_crossbar),                GL             },

-   { "GL_ARB_texture_env_dot3",                    o(ARB_texture_env_dot3),                    GL             },

-   { "GL_ARB_texture_mirrored_repeat",             o(ARB_texture_mirrored_repeat),             GL             },

-   { "GL_ARB_texture_multisample",                 o(ARB_texture_multisample),                 GL             },

-   { "GL_ARB_texture_non_power_of_two",            o(ARB_texture_non_power_of_two),            GL             },

-   { "GL_ARB_texture_rectangle",                   o(NV_texture_rectangle),                    GL             },

-   { "GL_ARB_texture_rgb10_a2ui",                  o(ARB_texture_rgb10_a2ui),                  GL             },

-   { "GL_ARB_texture_rg",                          o(ARB_texture_rg),                          GL             },

-   { "GL_ARB_texture_swizzle",                     o(EXT_texture_swizzle),                     GL             },

-   { "GL_ARB_transform_feedback2",                 o(ARB_transform_feedback2),                 GL             },

-   { "GL_ARB_transpose_matrix",                    o(ARB_transpose_matrix),                    GL             },

-   { "GL_ARB_uniform_buffer_object",               o(ARB_uniform_buffer_object),               GL             },

-   { "GL_ARB_vertex_array_bgra",                   o(EXT_vertex_array_bgra),                   GL             },

-   { "GL_ARB_vertex_array_object",                 o(ARB_vertex_array_object),                 GL             },

-   { "GL_ARB_vertex_buffer_object",                o(ARB_vertex_buffer_object),                GL             },

-   { "GL_ARB_vertex_program",                      o(ARB_vertex_program),                      GL             },

-   { "GL_ARB_vertex_shader",                       o(ARB_vertex_shader),                       GL             },

-   { "GL_ARB_vertex_type_2_10_10_10_rev",          o(ARB_vertex_type_2_10_10_10_rev),          GL             },

-   { "GL_ARB_window_pos",                          o(ARB_window_pos),                          GL             },

-

-   /* EXT extensions */

-   { "GL_EXT_abgr",                                o(EXT_abgr),                                GL             },

-   { "GL_EXT_bgra",                                o(EXT_bgra),                                GL             },

-   { "GL_EXT_blend_color",                         o(EXT_blend_color),                         GL             },

-   { "GL_EXT_blend_equation_separate",             o(EXT_blend_equation_separate),             GL             },

-   { "GL_EXT_blend_func_separate",                 o(EXT_blend_func_separate),                 GL             },

-   { "GL_EXT_blend_logic_op",                      o(EXT_blend_logic_op),                      GL             },

-   { "GL_EXT_blend_minmax",                        o(EXT_blend_minmax),                        GL | ES1 | ES2 },

-   { "GL_EXT_blend_subtract",                      o(EXT_blend_subtract),                      GL             },

-   { "GL_EXT_clip_volume_hint",                    o(EXT_clip_volume_hint),                    GL             },

-   { "GL_EXT_compiled_vertex_array",               o(EXT_compiled_vertex_array),               GL             },

-   { "GL_EXT_copy_texture",                        o(EXT_copy_texture),                        GL             },

-   { "GL_EXT_depth_bounds_test",                   o(EXT_depth_bounds_test),                   GL             },

-   { "GL_EXT_draw_buffers2",                       o(EXT_draw_buffers2),                       GL             },

-   { "GL_EXT_draw_instanced",                      o(ARB_draw_instanced),                      GL             },

-   { "GL_EXT_draw_range_elements",                 o(EXT_draw_range_elements),                 GL             },

-   { "GL_EXT_fog_coord",                           o(EXT_fog_coord),                           GL             },

-   { "GL_EXT_framebuffer_blit",                    o(EXT_framebuffer_blit),                    GL             },

-   { "GL_EXT_framebuffer_multisample",             o(EXT_framebuffer_multisample),             GL             },

-   { "GL_EXT_framebuffer_object",                  o(EXT_framebuffer_object),                  GL             },

-   { "GL_EXT_framebuffer_sRGB",                    o(EXT_framebuffer_sRGB),                    GL             },

-   { "GL_EXT_gpu_program_parameters",              o(EXT_gpu_program_parameters),              GL             },

-   { "GL_EXT_gpu_shader4",                         o(EXT_gpu_shader4),                         GL             },

-   { "GL_EXT_multi_draw_arrays",                   o(EXT_multi_draw_arrays),                   GL | ES1 | ES2 },

-   { "GL_EXT_packed_depth_stencil",                o(EXT_packed_depth_stencil),                GL             },

-   { "GL_EXT_packed_float",                        o(EXT_packed_float),                        GL             },

-   { "GL_EXT_packed_pixels",                       o(EXT_packed_pixels),                       GL             },

-   { "GL_EXT_paletted_texture",                    o(EXT_paletted_texture),                    GL             },

-   { "GL_EXT_pixel_buffer_object",                 o(EXT_pixel_buffer_object),                 GL             },

-   { "GL_EXT_point_parameters",                    o(EXT_point_parameters),                    GL             },

-   { "GL_EXT_polygon_offset",                      o(EXT_polygon_offset),                      GL             },

-   { "GL_EXT_provoking_vertex",                    o(EXT_provoking_vertex),                    GL             },

-   { "GL_EXT_rescale_normal",                      o(EXT_rescale_normal),                      GL             },

-   { "GL_EXT_secondary_color",                     o(EXT_secondary_color),                     GL             },

-   { "GL_EXT_separate_shader_objects",             o(EXT_separate_shader_objects),             GL             },

-   { "GL_EXT_separate_specular_color",             o(EXT_separate_specular_color),             GL             },

-   { "GL_EXT_shadow_funcs",                        o(EXT_shadow_funcs),                        GL             },

-   { "GL_EXT_shared_texture_palette",              o(EXT_shared_texture_palette),              GL             },

-   { "GL_EXT_stencil_two_side",                    o(EXT_stencil_two_side),                    GL             },

-   { "GL_EXT_stencil_wrap",                        o(EXT_stencil_wrap),                        GL             },

-   { "GL_EXT_subtexture",                          o(EXT_subtexture),                          GL             },

-   { "GL_EXT_texture3D",                           o(EXT_texture3D),                           GL             },

-   { "GL_EXT_texture_array",                       o(EXT_texture_array),                       GL             },

-   { "GL_EXT_texture_compression_dxt1",            o(EXT_texture_compression_s3tc),            GL | ES1 | ES2 },

-   { "GL_EXT_texture_compression_rgtc",            o(ARB_texture_compression_rgtc),            GL             },

-   { "GL_EXT_texture_compression_s3tc",            o(EXT_texture_compression_s3tc),            GL             },

-   { "GL_EXT_texture_cube_map",                    o(ARB_texture_cube_map),                    GL             },

-   { "GL_EXT_texture_edge_clamp",                  o(SGIS_texture_edge_clamp),                 GL             },

-   { "GL_EXT_texture_env_add",                     o(EXT_texture_env_add),                     GL             },

-   { "GL_EXT_texture_env_combine",                 o(EXT_texture_env_combine),                 GL             },

-   { "GL_EXT_texture_env_dot3",                    o(EXT_texture_env_dot3),                    GL             },

-   { "GL_EXT_texture_filter_anisotropic",          o(EXT_texture_filter_anisotropic),          GL | ES1 | ES2 },

-   { "GL_EXT_texture_format_BGRA8888",             o(EXT_texture_format_BGRA8888),                  ES1 | ES2 },

-   { "GL_EXT_texture_integer",                     o(EXT_texture_integer),                     GL             },

-   { "GL_EXT_texture_lod_bias",                    o(EXT_texture_lod_bias),                    GL | ES1       },

-   { "GL_EXT_texture_mirror_clamp",                o(EXT_texture_mirror_clamp),                GL             },

-   { "GL_EXT_texture_object",                      o(EXT_texture_object),                      GL             },

-   { "GL_EXT_texture",                             o(EXT_texture),                             GL             },

-   { "GL_EXT_texture_rectangle",                   o(NV_texture_rectangle),                    GL             },

-   { "GL_EXT_texture_shared_exponent",             o(EXT_texture_shared_exponent),             GL             },

-   { "GL_EXT_texture_sRGB",                        o(EXT_texture_sRGB),                        GL             },

-   { "GL_EXT_texture_sRGB_decode",                 o(EXT_texture_sRGB_decode),                        GL             },

-   { "GL_EXT_texture_swizzle",                     o(EXT_texture_swizzle),                     GL             },

-   { "GL_EXT_texture_type_2_10_10_10_REV",         o(dummy_true),                                         ES2 },

-   { "GL_EXT_timer_query",                         o(EXT_timer_query),                         GL             },

-   { "GL_EXT_transform_feedback",                  o(EXT_transform_feedback),                  GL             },

-   { "GL_EXT_vertex_array_bgra",                   o(EXT_vertex_array_bgra),                   GL             },

-   { "GL_EXT_vertex_array",                        o(EXT_vertex_array),                        GL             },

-   { "GL_EXT_vertex_array_set",                    o(EXT_vertex_array_set),                    GL             },

-

-   /* OES extensions */

-   { "GL_OES_blend_equation_separate",             o(EXT_blend_equation_separate),                  ES1       },

-   { "GL_OES_blend_func_separate",                 o(EXT_blend_func_separate),                      ES1       },

-   { "GL_OES_blend_subtract",                      o(EXT_blend_subtract),                           ES1       },

-   { "GL_OES_byte_coordinates",                    o(dummy_true),                                   ES1       },

-   { "GL_OES_compressed_paletted_texture",         o(dummy_false),                     DISABLE                },

-   { "GL_OES_depth24",                             o(EXT_framebuffer_object),                       ES1 | ES2 },

-   { "GL_OES_depth32",                             o(dummy_false),                     DISABLE                },

-   { "GL_OES_depth_texture",                       o(ARB_depth_texture),                                  ES2 },

-#if FEATURE_OES_draw_texture

-   { "GL_OES_draw_texture",                        o(OES_draw_texture),                             ES1 | ES2 },

-#endif

-#if FEATURE_OES_EGL_image

-   /*  FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */

-   { "GL_OES_EGL_image",                           o(OES_EGL_image),                           GL | ES1 | ES2 },

-#endif

-   { "GL_OES_element_index_uint",                  o(EXT_vertex_array),                             ES1 | ES2 },

-   { "GL_OES_fbo_render_mipmap",                   o(EXT_framebuffer_object),                       ES1 | ES2 },

-   { "GL_OES_fixed_point",                         o(dummy_true),                                   ES1       },

-   { "GL_OES_framebuffer_object",                  o(EXT_framebuffer_object),                       ES1       },

-   { "GL_OES_mapbuffer",                           o(ARB_vertex_buffer_object),                     ES1 | ES2 },

-   { "GL_OES_matrix_get",                          o(dummy_true),                                   ES1       },

-   { "GL_OES_packed_depth_stencil",                o(EXT_packed_depth_stencil),                     ES1 | ES2 },

-   { "GL_OES_point_size_array",                    o(dummy_true),                                   ES1       },

-   { "GL_OES_point_sprite",                        o(ARB_point_sprite),                             ES1       },

-   { "GL_OES_query_matrix",                        o(dummy_true),                                   ES1       },

-   { "GL_OES_read_format",                         o(OES_read_format),                         GL | ES1       },

-   { "GL_OES_rgb8_rgba8",                          o(EXT_framebuffer_object),                       ES1 | ES2 },

-   { "GL_OES_single_precision",                    o(dummy_true),                                   ES1       },

-   { "GL_OES_standard_derivatives",                o(OES_standard_derivatives),                           ES2 },

-   { "GL_OES_stencil1",                            o(dummy_false),                     DISABLE                },

-   { "GL_OES_stencil4",                            o(dummy_false),                     DISABLE                },

-   { "GL_OES_stencil8",                            o(EXT_framebuffer_object),                       ES1 | ES2 },

-   { "GL_OES_stencil_wrap",                        o(EXT_stencil_wrap),                             ES1       },

-   /* GL_OES_texture_3D is disabled due to missing GLSL support. */

-   { "GL_OES_texture_3D",                          o(EXT_texture3D),                   DISABLE                },

-   { "GL_OES_texture_cube_map",                    o(ARB_texture_cube_map),                         ES1       },

-   { "GL_OES_texture_env_crossbar",                o(ARB_texture_env_crossbar),                     ES1       },

-   { "GL_OES_texture_mirrored_repeat",             o(ARB_texture_mirrored_repeat),                  ES1       },

-   { "GL_OES_texture_npot",                        o(ARB_texture_non_power_of_two),                       ES2 },

-

-   /* Vendor extensions */

-   { "GL_3DFX_texture_compression_FXT1",           o(TDFX_texture_compression_FXT1),           GL             },

-   { "GL_AMD_conservative_depth",                  o(AMD_conservative_depth),                  GL             },

-   { "GL_APPLE_client_storage",                    o(APPLE_client_storage),                    GL             },

-   { "GL_APPLE_object_purgeable",                  o(APPLE_object_purgeable),                  GL             },

-   { "GL_APPLE_packed_pixels",                     o(APPLE_packed_pixels),                     GL             },

-   { "GL_APPLE_vertex_array_object",               o(APPLE_vertex_array_object),               GL             },

-   { "GL_ATI_blend_equation_separate",             o(EXT_blend_equation_separate),             GL             },

-   { "GL_ATI_envmap_bumpmap",                      o(ATI_envmap_bumpmap),                      GL             },

-   { "GL_ATI_fragment_shader",                     o(ATI_fragment_shader),                     GL             },

-   { "GL_ATI_separate_stencil",                    o(ATI_separate_stencil),                    GL             },

-   { "GL_ATI_texture_env_combine3",                o(ATI_texture_env_combine3),                GL             },

-   { "GL_ATI_texture_mirror_once",                 o(ATI_texture_mirror_once),                 GL             },

-   { "GL_IBM_multimode_draw_arrays",               o(IBM_multimode_draw_arrays),               GL             },

-   { "GL_IBM_rasterpos_clip",                      o(IBM_rasterpos_clip),                      GL             },

-   { "GL_IBM_texture_mirrored_repeat",             o(ARB_texture_mirrored_repeat),             GL             },

-   { "GL_INGR_blend_func_separate",                o(EXT_blend_func_separate),                 GL             },

-   { "GL_MESA_pack_invert",                        o(MESA_pack_invert),                        GL             },

-   { "GL_MESA_resize_buffers",                     o(MESA_resize_buffers),                     GL             },

-   { "GL_MESA_texture_array",                      o(MESA_texture_array),                      GL             },

-   { "GL_MESA_texture_signed_rgba",                o(MESA_texture_signed_rgba),                GL             },

-   { "GL_MESA_window_pos",                         o(ARB_window_pos),                          GL             },

-   { "GL_MESAX_texture_float",                     o(ARB_texture_float),                       GL             },

-   { "GL_MESA_ycbcr_texture",                      o(MESA_ycbcr_texture),                      GL             },

-   { "GL_NV_blend_square",                         o(NV_blend_square),                         GL             },

-   { "GL_NV_conditional_render",                   o(NV_conditional_render),                   GL             },

-   { "GL_NV_depth_clamp",                          o(ARB_depth_clamp),                         GL             },

-   { "GL_NV_fragment_program",                     o(NV_fragment_program),                     GL             },

-   { "GL_NV_fragment_program_option",              o(NV_fragment_program_option),              GL             },

-   { "GL_NV_light_max_exponent",                   o(NV_light_max_exponent),                   GL             },

-   { "GL_NV_packed_depth_stencil",                 o(EXT_packed_depth_stencil),                GL             },

-   { "GL_NV_point_sprite",                         o(NV_point_sprite),                         GL             },

-   { "GL_NV_primitive_restart",                    o(NV_primitive_restart),                    GL             },

-   { "GL_NV_texgen_reflection",                    o(NV_texgen_reflection),                    GL             },

-   { "GL_NV_texture_env_combine4",                 o(NV_texture_env_combine4),                 GL             },

-   { "GL_NV_texture_rectangle",                    o(NV_texture_rectangle),                    GL             },

-   { "GL_NV_vertex_program1_1",                    o(NV_vertex_program1_1),                    GL             },

-   { "GL_NV_vertex_program",                       o(NV_vertex_program),                       GL             },

-   { "GL_S3_s3tc",                                 o(S3_s3tc),                                 GL             },

-   { "GL_SGIS_generate_mipmap",                    o(SGIS_generate_mipmap),                    GL             },

-   { "GL_SGIS_texture_border_clamp",               o(ARB_texture_border_clamp),                GL             },

-   { "GL_SGIS_texture_edge_clamp",                 o(SGIS_texture_edge_clamp),                 GL             },

-   { "GL_SGIS_texture_lod",                        o(SGIS_texture_lod),                        GL             },

-   { "GL_SGI_texture_color_table",                 o(SGI_texture_color_table),                 GL             },

-   { "GL_SUN_multi_draw_arrays",                   o(EXT_multi_draw_arrays),                   GL             },

-

-   { 0, 0, 0 },

-};

-

-

-/**

- * Given an extension name, lookup up the corresponding member of struct

- * gl_extensions and return that member's offset (in bytes).  If the name is

- * not found in the \c extension_table, return 0.

- *

- * \param name Name of extension.

- * \return Offset of member in struct gl_extensions.

- */

-static size_t

-name_to_offset(const char* name)

-{

-   const struct extension *i;

-

-   if (name == 0)

-      return 0;

-

-   for (i = extension_table; i->name != 0; ++i) {

-      if (strcmp(name, i->name) == 0)

-	 return i->offset;

-   }

-

-   return 0;

-}

-

-

-/**

- * \brief Extensions enabled by default.

- *

- * These extensions are enabled by _mesa_init_extensions().

- *

- * XXX: Should these defaults also apply to GLES?

- */

-static const size_t default_extensions[] = {

-   o(ARB_copy_buffer),

-   o(ARB_draw_buffers),

-   o(ARB_multisample),

-   o(ARB_texture_compression),

-   o(ARB_transpose_matrix),

-   o(ARB_vertex_buffer_object),

-   o(ARB_window_pos),

-

-   o(EXT_abgr),

-   o(EXT_bgra),

-   o(EXT_compiled_vertex_array),

-   o(EXT_copy_texture),

-   o(EXT_draw_range_elements),

-   o(EXT_multi_draw_arrays),

-   o(EXT_packed_pixels),

-   o(EXT_polygon_offset),

-   o(EXT_rescale_normal),

-   o(EXT_separate_specular_color),

-   o(EXT_subtexture),

-   o(EXT_texture),

-   o(EXT_texture3D),

-   o(EXT_texture_object),

-   o(EXT_vertex_array),

-

-   o(OES_read_format),

-   o(OES_standard_derivatives),

-

-   /* Vendor Extensions */

-   o(APPLE_packed_pixels),

-   o(IBM_multimode_draw_arrays),

-   o(IBM_rasterpos_clip),

-   o(NV_light_max_exponent),

-   o(NV_texgen_reflection),

-   o(SGIS_generate_mipmap),

-   o(SGIS_texture_edge_clamp),

-   o(SGIS_texture_lod),

-

-   0,

-};

-

-

-/**

- * Enable all extensions suitable for a software-only renderer.

- * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc.

- */

-void

-_mesa_enable_sw_extensions(struct gl_context *ctx)

-{

-   /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/

-   ctx->Extensions.ARB_depth_clamp = GL_TRUE;

-   ctx->Extensions.ARB_depth_texture = GL_TRUE;

-   /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/

-   ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;

-   ctx->Extensions.ARB_draw_instanced = GL_TRUE;

-   ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;

-   ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;

-#if FEATURE_ARB_fragment_program

-   ctx->Extensions.ARB_fragment_program = GL_TRUE;

-   ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;

-#endif

-#if FEATURE_ARB_fragment_shader

-   ctx->Extensions.ARB_fragment_shader = GL_TRUE;

-#endif

-#if FEATURE_ARB_framebuffer_object

-   ctx->Extensions.ARB_framebuffer_object = GL_TRUE;

-#endif

-#if FEATURE_ARB_geometry_shader4 && 0

-   /* XXX re-enable when GLSL compiler again supports geometry shaders */

-   ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;

-#endif

-   ctx->Extensions.ARB_half_float_pixel = GL_TRUE;

-   ctx->Extensions.ARB_half_float_vertex = GL_TRUE;

-   ctx->Extensions.ARB_map_buffer_range = GL_TRUE;

-   ctx->Extensions.ARB_multitexture = GL_TRUE;

-#if FEATURE_queryobj

-   ctx->Extensions.ARB_occlusion_query = GL_TRUE;

-   ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;

-#endif

-   ctx->Extensions.ARB_point_sprite = GL_TRUE;

-#if FEATURE_ARB_shader_objects

-   ctx->Extensions.ARB_shader_objects = GL_TRUE;

-   ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;

-#endif

-#if FEATURE_ARB_shading_language_100

-   ctx->Extensions.ARB_shading_language_100 = GL_TRUE;

-#endif

-   ctx->Extensions.ARB_shadow = GL_TRUE;

-   ctx->Extensions.ARB_shadow_ambient = GL_TRUE;

-   ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;

-   ctx->Extensions.ARB_texture_cube_map = GL_TRUE;

-   ctx->Extensions.ARB_texture_env_combine = GL_TRUE;

-   ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;

-   ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;

-   /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/

-   ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;

-   ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;

-   ctx->Extensions.ARB_texture_rg = GL_TRUE;

-   ctx->Extensions.ARB_vertex_array_object = GL_TRUE;

-#if FEATURE_ARB_vertex_program

-   ctx->Extensions.ARB_vertex_program = GL_TRUE;

-#endif

-#if FEATURE_ARB_vertex_shader

-   ctx->Extensions.ARB_vertex_shader = GL_TRUE;

-#endif

-#if FEATURE_ARB_vertex_buffer_object

-   /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/

-#endif

-#if FEATURE_ARB_sync

-   ctx->Extensions.ARB_sync = GL_TRUE;

-#endif

-   ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;

-#if FEATURE_APPLE_object_purgeable

-   ctx->Extensions.APPLE_object_purgeable = GL_TRUE;

-#endif

-   ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE;

-#if FEATURE_ATI_fragment_shader

-   ctx->Extensions.ATI_fragment_shader = GL_TRUE;

-#endif

-   ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE;

-   ctx->Extensions.ATI_texture_mirror_once = GL_TRUE;

-   ctx->Extensions.ATI_separate_stencil = GL_TRUE;

-   ctx->Extensions.EXT_blend_color = GL_TRUE;

-   ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;

-   ctx->Extensions.EXT_blend_func_separate = GL_TRUE;

-   ctx->Extensions.EXT_blend_logic_op = GL_TRUE;

-   ctx->Extensions.EXT_blend_minmax = GL_TRUE;

-   ctx->Extensions.EXT_blend_subtract = GL_TRUE;

-   ctx->Extensions.EXT_depth_bounds_test = GL_TRUE;

-   ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;

-   ctx->Extensions.EXT_fog_coord = GL_TRUE;

-#if FEATURE_EXT_framebuffer_object

-   ctx->Extensions.EXT_framebuffer_object = GL_TRUE;

-#endif

-#if FEATURE_EXT_framebuffer_blit

-   ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;

-#endif

-#if FEATURE_ARB_framebuffer_object

-   ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;

-#endif

-   /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/

-   ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;

-   ctx->Extensions.EXT_paletted_texture = GL_TRUE;

-#if FEATURE_EXT_pixel_buffer_object

-   ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;

-#endif

-   ctx->Extensions.EXT_point_parameters = GL_TRUE;

-   ctx->Extensions.EXT_provoking_vertex = GL_TRUE;

-   ctx->Extensions.EXT_shadow_funcs = GL_TRUE;

-   ctx->Extensions.EXT_secondary_color = GL_TRUE;

-   ctx->Extensions.EXT_shared_texture_palette = GL_TRUE;

-   ctx->Extensions.EXT_stencil_wrap = GL_TRUE;

-   ctx->Extensions.EXT_stencil_two_side = GL_TRUE;

-   ctx->Extensions.EXT_texture_array = GL_TRUE;

-   ctx->Extensions.EXT_texture_env_add = GL_TRUE;

-   ctx->Extensions.EXT_texture_env_combine = GL_TRUE;

-   ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;

-   ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE;

-   ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;

-#if FEATURE_EXT_texture_sRGB

-   ctx->Extensions.EXT_texture_sRGB = GL_TRUE;

-   ctx->Extensions.EXT_texture_sRGB_decode = GL_TRUE;

-#endif

-   ctx->Extensions.EXT_texture_swizzle = GL_TRUE;

-#if FEATURE_EXT_transform_feedback

-   /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/

-#endif

-   ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;

-   /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/

-   ctx->Extensions.MESA_pack_invert = GL_TRUE;

-   ctx->Extensions.MESA_resize_buffers = GL_TRUE;

-   ctx->Extensions.MESA_texture_array = GL_TRUE;

-   ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;

-   ctx->Extensions.NV_blend_square = GL_TRUE;

-   ctx->Extensions.NV_conditional_render = GL_TRUE;

-   /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/

-   ctx->Extensions.NV_point_sprite = GL_TRUE;

-   ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;

-   ctx->Extensions.NV_texture_rectangle = GL_TRUE;

-   /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/

-#if FEATURE_NV_vertex_program

-   ctx->Extensions.NV_vertex_program = GL_TRUE;

-   ctx->Extensions.NV_vertex_program1_1 = GL_TRUE;

-#endif

-#if FEATURE_NV_fragment_program

-   ctx->Extensions.NV_fragment_program = GL_TRUE;

-#endif

-#if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program

-   ctx->Extensions.NV_fragment_program_option = GL_TRUE;

-#endif

-   ctx->Extensions.SGI_texture_color_table = GL_TRUE;

-   /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/

-   ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE;

-#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program

-   ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;

-#endif

-#if FEATURE_texture_fxt1

-   _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");

-#endif

-#if FEATURE_texture_s3tc

-   if (ctx->Mesa_DXTn) {

-      _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");

-      _mesa_enable_extension(ctx, "GL_S3_s3tc");

-   }

-#endif

-}

-

-

-/**

- * Enable common EXT extensions in the ARB_imaging subset.

- */

-void

-_mesa_enable_imaging_extensions(struct gl_context *ctx)

-{

-   ctx->Extensions.EXT_blend_color = GL_TRUE;

-   ctx->Extensions.EXT_blend_logic_op = GL_TRUE;

-   ctx->Extensions.EXT_blend_minmax = GL_TRUE;

-   ctx->Extensions.EXT_blend_subtract = GL_TRUE;

-}

-

-

-

-/**

- * Enable all OpenGL 1.3 features and extensions.

- * A convenience function to be called by drivers.

- */

-void

-_mesa_enable_1_3_extensions(struct gl_context *ctx)

-{

-   /*ctx->Extensions.ARB_multisample = GL_TRUE;*/

-   ctx->Extensions.ARB_multitexture = GL_TRUE;

-   ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;

-   /*ctx->Extensions.ARB_texture_compression = GL_TRUE;*/

-   ctx->Extensions.ARB_texture_cube_map = GL_TRUE;

-   ctx->Extensions.ARB_texture_env_combine = GL_TRUE;

-   ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;

-   ctx->Extensions.EXT_texture_env_add = GL_TRUE;

-   /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/

-}

-

-

-

-/**

- * Enable all OpenGL 1.4 features and extensions.

- * A convenience function to be called by drivers.

- */

-void

-_mesa_enable_1_4_extensions(struct gl_context *ctx)

-{

-   ctx->Extensions.ARB_depth_texture = GL_TRUE;

-   ctx->Extensions.ARB_shadow = GL_TRUE;

-   ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;

-   ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;

-   ctx->Extensions.ARB_window_pos = GL_TRUE;

-   ctx->Extensions.EXT_blend_color = GL_TRUE;

-   ctx->Extensions.EXT_blend_func_separate = GL_TRUE;

-   ctx->Extensions.EXT_blend_minmax = GL_TRUE;

-   ctx->Extensions.EXT_blend_subtract = GL_TRUE;

-   ctx->Extensions.EXT_fog_coord = GL_TRUE;

-   /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/

-   ctx->Extensions.EXT_point_parameters = GL_TRUE;

-   ctx->Extensions.EXT_secondary_color = GL_TRUE;

-   ctx->Extensions.EXT_stencil_wrap = GL_TRUE;

-   ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;

-   /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/

-}

-

-

-/**

- * Enable all OpenGL 1.5 features and extensions.

- * A convenience function to be called by drivers.

- */

-void

-_mesa_enable_1_5_extensions(struct gl_context *ctx)

-{

-   ctx->Extensions.ARB_occlusion_query = GL_TRUE;

-   /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/

-   ctx->Extensions.EXT_shadow_funcs = GL_TRUE;

-}

-

-

-/**

- * Enable all OpenGL 2.0 features and extensions.

- * A convenience function to be called by drivers.

- */

-void

-_mesa_enable_2_0_extensions(struct gl_context *ctx)

-{

-   /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/

-#if FEATURE_ARB_fragment_shader

-   ctx->Extensions.ARB_fragment_shader = GL_TRUE;

-#endif

-   ctx->Extensions.ARB_point_sprite = GL_TRUE;

-   ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;

-   ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;

-#if FEATURE_ARB_shader_objects

-   ctx->Extensions.ARB_shader_objects = GL_TRUE;

-#endif

-#if FEATURE_ARB_shading_language_100

-   ctx->Extensions.ARB_shading_language_100 = GL_TRUE;

-#endif

-   ctx->Extensions.EXT_stencil_two_side = GL_TRUE;

-#if FEATURE_ARB_vertex_shader

-   ctx->Extensions.ARB_vertex_shader = GL_TRUE;

-#endif

-}

-

-

-/**

- * Enable all OpenGL 2.1 features and extensions.

- * A convenience function to be called by drivers.

- */

-void

-_mesa_enable_2_1_extensions(struct gl_context *ctx)

-{

-#if FEATURE_EXT_pixel_buffer_object

-   ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;

-#endif

-#if FEATURE_EXT_texture_sRGB

-   ctx->Extensions.EXT_texture_sRGB = GL_TRUE;

-#endif

-}

-

-

-/**

- * Either enable or disable the named extension.

- * \return GL_TRUE for success, GL_FALSE if invalid extension name

- */

-static GLboolean

-set_extension( struct gl_context *ctx, const char *name, GLboolean state )

-{

-   size_t offset;

-

-   if (ctx->Extensions.String) {

-      /* The string was already queried - can't change it now! */

-      _mesa_problem(ctx, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name);

-      return GL_FALSE;

-   }

-

-   offset = name_to_offset(name);

-   if (offset == 0) {

-      _mesa_problem(ctx, "Trying to enable/disable unknown extension %s",

-	            name);

-      return GL_FALSE;

-   } else if (offset == o(dummy_true) && state == GL_FALSE) {

-      _mesa_problem(ctx, "Trying to disable a permanently enabled extension: "

-	                  "%s", name);

-      return GL_FALSE;

-   } else {

-      GLboolean *base = (GLboolean *) &ctx->Extensions;

-      base[offset] = state;

-      return GL_TRUE;

-   }

-}

-

-

-/**

- * Enable the named extension.

- * Typically called by drivers.

- */

-void

-_mesa_enable_extension( struct gl_context *ctx, const char *name )

-{

-   if (!set_extension(ctx, name, GL_TRUE))

-      _mesa_problem(ctx, "Trying to enable unknown extension: %s", name);

-}

-

-

-/**

- * Disable the named extension.

- * XXX is this really needed???

- */

-void

-_mesa_disable_extension( struct gl_context *ctx, const char *name )

-{

-   if (!set_extension(ctx, name, GL_FALSE))

-      _mesa_problem(ctx, "Trying to disable unknown extension: %s", name);

-}

-

-

-/**

- * Test if the named extension is enabled in this context.

- */

-GLboolean

-_mesa_extension_is_enabled( struct gl_context *ctx, const char *name )

-{

-   size_t offset;

-   GLboolean *base;

-

-   if (name == 0)

-      return GL_FALSE;

-

-   offset = name_to_offset(name);

-   if (offset == 0)

-      return GL_FALSE;

-   base = (GLboolean *) &ctx->Extensions;

-   return base[offset];

-}

-

-

-/**

- * \brief Apply the \c MESA_EXTENSION_OVERRIDE environment variable.

- *

- * \c MESA_EXTENSION_OVERRIDE is a space-separated list of extensions to

- * enable or disable. The list is processed thus:

- *    - Enable recognized extension names that are prefixed with '+'.

- *    - Disable recognized extension names that are prefixed with '-'.

- *    - Enable recognized extension names that are not prefixed.

- *    - Collect unrecognized extension names in a new string.

- *

- * \return Space-separated list of unrecognized extension names (which must

- *    be freed). Does not return \c NULL.

- */

-static char *

-get_extension_override( struct gl_context *ctx )

-{

-   const char *env_const= _mesa_getenv("MESA_EXTENSION_OVERRIDE");

-   char *env;

-   char *ext;

-   char *extra_exts;

-   int len;

-

-   if (env_const == NULL) {

-      /* Return the empty string rather than NULL. This simplifies the logic

-       * of client functions. */

-      return calloc(1, sizeof(char));

-   }

-

-   /* extra_exts: List of unrecognized extensions. */

-   extra_exts = calloc(strlen(env_const), sizeof(char));

-

-   /* Copy env_const because strtok() is destructive. */

-   env = strdup(env_const);

-   for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) {

-      int enable;

-      int recognized;

-      switch (ext[0]) {

-      case '+':

-         enable = 1;

-         ++ext;

-         break;

-      case '-':

-         enable = 0;

-         ++ext;

-         break;

-      default:

-         enable = 1;

-         break;

-      }

-      recognized = set_extension(ctx, ext, enable);

-      if (!recognized) {

-         strcat(extra_exts, ext);

-         strcat(extra_exts, " ");

-      }

-   }

-

-   /* Remove trailing space. */

-   len  = strlen(extra_exts);

-   if (extra_exts[len - 1] == ' ')

-      extra_exts[len - 1] = '\0';

-

-   return extra_exts;

-}

-

-

-/**

- * \brief Initialize extension tables and enable default extensions.

- *

- * This should be called during context initialization.

- * Note: Sets gl_extensions.dummy_true to true.

- */

-void

-_mesa_init_extensions( struct gl_context *ctx )

-{

-   GLboolean *base = (GLboolean *) &ctx->Extensions;

-   GLboolean *sentinel = base + o(extension_sentinel);

-   GLboolean *i;

-   const size_t *j;

-

-   /* First, turn all extensions off. */

-   for (i = base; i != sentinel; ++i)

-      *i = GL_FALSE;

-

-   /* Then, selectively turn default extensions on. */

-   ctx->Extensions.dummy_true = GL_TRUE;

-   for (j = default_extensions; *j != 0; ++j)

-      base[*j] = GL_TRUE;

-}

-

-

-/**

- * Construct the GL_EXTENSIONS string.  Called the first time that

- * glGetString(GL_EXTENSIONS) is called.

- */

-GLubyte*

-_mesa_make_extension_string(struct gl_context *ctx)

-{

-   /* The extension string. */

-   char *exts = 0;

-   /* Length of extension string. */

-   size_t length = 0;

-   /* String of extra extensions. */

-   char *extra_extensions = get_extension_override(ctx);

-   GLboolean *base = (GLboolean *) &ctx->Extensions;

-   const struct extension *i;

-

-   /* Compute length of the extension string. */

-   for (i = extension_table; i->name != 0; ++i) {

-      if (base[i->offset] && (i->api_set & (1 << ctx->API))) {

-	 length += strlen(i->name) + 1; /* +1 for space */

-      }

-   }

-   if (extra_extensions != NULL)

-      length += 1 + strlen(extra_extensions); /* +1 for space */

-

-   exts = (char *) calloc(length + 1, sizeof(char));

-   if (exts == NULL) {

-      free(extra_extensions);

-      return NULL;

-   }

-

-   /* Build the extension string.*/

-   for (i = extension_table; i->name != 0; ++i) {

-      if (base[i->offset] && (i->api_set & (1 << ctx->API))) {

-         strcat(exts, i->name);

-         strcat(exts, " ");

-      }

-   }

-   if (extra_extensions != 0) {

-      strcat(exts, extra_extensions);

-      free(extra_extensions);

-   }

-

-   return (GLubyte *) exts;

-}

-

-/**

- * Return number of enabled extensions.

- */

-GLuint

-_mesa_get_extension_count(struct gl_context *ctx)

-{

-   GLboolean *base;

-   const struct extension *i;

-

-   /* only count once */

-   if (ctx->Extensions.Count != 0)

-      return ctx->Extensions.Count;

-

-   base = (GLboolean *) &ctx->Extensions;

-   for (i = extension_table; i->name != 0; ++i) {

-      if (base[i->offset]) {

-	 ctx->Extensions.Count++;

-      }

-   }

-   return ctx->Extensions.Count;

-}

-

-/**

- * Return name of i-th enabled extension

- */

-const GLubyte *

-_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)

-{

-   const GLboolean *base;

-   size_t n;

-   const struct extension *i;

-

-   if (index < 0)

-      return NULL;

-

-   base = (GLboolean*) &ctx->Extensions;

-   n = 0;

-   for (i = extension_table; i->name != 0; ++i) {

-      if (n == index && base[i->offset]) {

-	 return (GLubyte*) i->name;

-      } else if (base[i->offset]) {

-	 ++n;

-      }

-   }

-

-   return NULL;

-}

+/*
+ * Mesa 3-D graphics library
+ * Version:  7.6
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file
+ * \brief Extension handling
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "extensions.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+
+enum {
+   DISABLE = 0,
+   GL  = 1 << API_OPENGL,
+   ES1 = 1 << API_OPENGLES,
+   ES2 = 1 << API_OPENGLES2,
+};
+
+/**
+ * \brief An element of the \c extension_table.
+ */
+struct extension {
+   /** Name of extension, such as "GL_ARB_depth_clamp". */
+   const char *name;
+
+   /** Offset (in bytes) of the corresponding member in struct gl_extensions. */
+   size_t offset;
+
+   /** Set of API's in which the extension exists, as a bitset. */
+   uint8_t api_set;
+};
+
+
+/**
+ * Given a member \c x of struct gl_extensions, return offset of
+ * \c x in bytes.
+ */
+#define o(x) offsetof(struct gl_extensions, x)
+
+
+/**
+ * \brief Table of supported OpenGL extensions for all API's.
+ *
+ * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions.
+ */
+static const struct extension extension_table[] = {
+   /* ARB Extensions */
+   { "GL_ARB_ES2_compatibility",                   o(ARB_ES2_compatibility),                   GL             },
+   { "GL_ARB_blend_func_extended",                 o(ARB_blend_func_extended),                 GL             },
+   { "GL_ARB_copy_buffer",                         o(ARB_copy_buffer),                         GL             },
+   { "GL_ARB_depth_buffer_float",                  o(ARB_depth_buffer_float),                  GL             },
+   { "GL_ARB_depth_clamp",                         o(ARB_depth_clamp),                         GL             },
+   { "GL_ARB_depth_texture",                       o(ARB_depth_texture),                       GL             },
+   { "GL_ARB_draw_buffers",                        o(ARB_draw_buffers),                        GL             },
+   { "GL_ARB_draw_buffers_blend",                  o(ARB_draw_buffers_blend),                  GL             },
+   { "GL_ARB_draw_elements_base_vertex",           o(ARB_draw_elements_base_vertex),           GL             },
+   { "GL_ARB_draw_instanced",                      o(ARB_draw_instanced),                      GL             },
+   { "GL_ARB_explicit_attrib_location",            o(ARB_explicit_attrib_location),            GL             },
+   { "GL_ARB_fragment_coord_conventions",          o(ARB_fragment_coord_conventions),          GL             },
+   { "GL_ARB_fragment_program",                    o(ARB_fragment_program),                    GL             },
+   { "GL_ARB_fragment_program_shadow",             o(ARB_fragment_program_shadow),             GL             },
+   { "GL_ARB_fragment_shader",                     o(ARB_fragment_shader),                     GL             },
+   { "GL_ARB_framebuffer_object",                  o(ARB_framebuffer_object),                  GL             },
+   { "GL_ARB_framebuffer_sRGB",                    o(EXT_framebuffer_sRGB),                    GL             },
+   { "GL_ARB_half_float_pixel",                    o(ARB_half_float_pixel),                    GL             },
+   { "GL_ARB_half_float_vertex",                   o(ARB_half_float_vertex),                   GL             },
+   { "GL_ARB_instanced_arrays",                    o(ARB_instanced_arrays),                    GL             },
+   { "GL_ARB_map_buffer_range",                    o(ARB_map_buffer_range),                    GL             },
+   { "GL_ARB_multisample",                         o(ARB_multisample),                         GL             },
+   { "GL_ARB_multitexture",                        o(ARB_multitexture),                        GL             },
+   { "GL_ARB_occlusion_query2",                    o(ARB_occlusion_query2),                    GL             },
+   { "GL_ARB_occlusion_query",                     o(ARB_occlusion_query),                     GL             },
+   { "GL_ARB_pixel_buffer_object",                 o(EXT_pixel_buffer_object),                 GL             },
+   { "GL_ARB_point_parameters",                    o(EXT_point_parameters),                    GL             },
+   { "GL_ARB_point_sprite",                        o(ARB_point_sprite),                        GL             },
+   { "GL_ARB_provoking_vertex",                    o(EXT_provoking_vertex),                    GL             },
+   { "GL_ARB_sampler_objects",                     o(ARB_sampler_objects),                     GL             },
+   { "GL_ARB_seamless_cube_map",                   o(ARB_seamless_cube_map),                   GL             },
+   { "GL_ARB_shader_objects",                      o(ARB_shader_objects),                      GL             },
+   { "GL_ARB_shader_stencil_export",               o(ARB_shader_stencil_export),               GL             },
+   { "GL_ARB_shading_language_100",                o(ARB_shading_language_100),                GL             },
+   { "GL_ARB_shadow_ambient",                      o(ARB_shadow_ambient),                      GL             },
+   { "GL_ARB_shadow",                              o(ARB_shadow),                              GL             },
+   { "GL_ARB_sync",                                o(ARB_sync),                                GL             },
+   { "GL_ARB_texture_border_clamp",                o(ARB_texture_border_clamp),                GL             },
+   { "GL_ARB_texture_buffer_object",               o(ARB_texture_buffer_object),               GL             },
+   { "GL_ARB_texture_compression",                 o(ARB_texture_compression),                 GL             },
+   { "GL_ARB_texture_compression_rgtc",            o(ARB_texture_compression_rgtc),            GL             },
+   { "GL_ARB_texture_cube_map",                    o(ARB_texture_cube_map),                    GL             },
+   { "GL_ARB_texture_env_add",                     o(EXT_texture_env_add),                     GL             },
+   { "GL_ARB_texture_env_combine",                 o(ARB_texture_env_combine),                 GL             },
+   { "GL_ARB_texture_env_crossbar",                o(ARB_texture_env_crossbar),                GL             },
+   { "GL_ARB_texture_env_dot3",                    o(ARB_texture_env_dot3),                    GL             },
+   { "GL_ARB_texture_mirrored_repeat",             o(ARB_texture_mirrored_repeat),             GL             },
+   { "GL_ARB_texture_multisample",                 o(ARB_texture_multisample),                 GL             },
+   { "GL_ARB_texture_non_power_of_two",            o(ARB_texture_non_power_of_two),            GL             },
+   { "GL_ARB_texture_rectangle",                   o(NV_texture_rectangle),                    GL             },
+   { "GL_ARB_texture_rgb10_a2ui",                  o(ARB_texture_rgb10_a2ui),                  GL             },
+   { "GL_ARB_texture_rg",                          o(ARB_texture_rg),                          GL             },
+   { "GL_ARB_texture_swizzle",                     o(EXT_texture_swizzle),                     GL             },
+   { "GL_ARB_transform_feedback2",                 o(ARB_transform_feedback2),                 GL             },
+   { "GL_ARB_transpose_matrix",                    o(ARB_transpose_matrix),                    GL             },
+   { "GL_ARB_uniform_buffer_object",               o(ARB_uniform_buffer_object),               GL             },
+   { "GL_ARB_vertex_array_bgra",                   o(EXT_vertex_array_bgra),                   GL             },
+   { "GL_ARB_vertex_array_object",                 o(ARB_vertex_array_object),                 GL             },
+   { "GL_ARB_vertex_buffer_object",                o(ARB_vertex_buffer_object),                GL             },
+   { "GL_ARB_vertex_program",                      o(ARB_vertex_program),                      GL             },
+   { "GL_ARB_vertex_shader",                       o(ARB_vertex_shader),                       GL             },
+   { "GL_ARB_vertex_type_2_10_10_10_rev",          o(ARB_vertex_type_2_10_10_10_rev),          GL             },
+   { "GL_ARB_window_pos",                          o(ARB_window_pos),                          GL             },
+
+   /* EXT extensions */
+   { "GL_EXT_abgr",                                o(EXT_abgr),                                GL             },
+   { "GL_EXT_bgra",                                o(EXT_bgra),                                GL             },
+   { "GL_EXT_blend_color",                         o(EXT_blend_color),                         GL             },
+   { "GL_EXT_blend_equation_separate",             o(EXT_blend_equation_separate),             GL             },
+   { "GL_EXT_blend_func_separate",                 o(EXT_blend_func_separate),                 GL             },
+   { "GL_EXT_blend_logic_op",                      o(EXT_blend_logic_op),                      GL             },
+   { "GL_EXT_blend_minmax",                        o(EXT_blend_minmax),                        GL | ES1 | ES2 },
+   { "GL_EXT_blend_subtract",                      o(EXT_blend_subtract),                      GL             },
+   { "GL_EXT_clip_volume_hint",                    o(EXT_clip_volume_hint),                    GL             },
+   { "GL_EXT_compiled_vertex_array",               o(EXT_compiled_vertex_array),               GL             },
+   { "GL_EXT_copy_texture",                        o(EXT_copy_texture),                        GL             },
+   { "GL_EXT_depth_bounds_test",                   o(EXT_depth_bounds_test),                   GL             },
+   { "GL_EXT_draw_buffers2",                       o(EXT_draw_buffers2),                       GL             },
+   { "GL_EXT_draw_instanced",                      o(ARB_draw_instanced),                      GL             },
+   { "GL_EXT_draw_range_elements",                 o(EXT_draw_range_elements),                 GL             },
+   { "GL_EXT_fog_coord",                           o(EXT_fog_coord),                           GL             },
+   { "GL_EXT_framebuffer_blit",                    o(EXT_framebuffer_blit),                    GL             },
+   { "GL_EXT_framebuffer_multisample",             o(EXT_framebuffer_multisample),             GL             },
+   { "GL_EXT_framebuffer_object",                  o(EXT_framebuffer_object),                  GL             },
+   { "GL_EXT_framebuffer_sRGB",                    o(EXT_framebuffer_sRGB),                    GL             },
+   { "GL_EXT_gpu_program_parameters",              o(EXT_gpu_program_parameters),              GL             },
+   { "GL_EXT_gpu_shader4",                         o(EXT_gpu_shader4),                         GL             },
+   { "GL_EXT_multi_draw_arrays",                   o(EXT_multi_draw_arrays),                   GL | ES1 | ES2 },
+   { "GL_EXT_packed_depth_stencil",                o(EXT_packed_depth_stencil),                GL             },
+   { "GL_EXT_packed_float",                        o(EXT_packed_float),                        GL             },
+   { "GL_EXT_packed_pixels",                       o(EXT_packed_pixels),                       GL             },
+   { "GL_EXT_paletted_texture",                    o(EXT_paletted_texture),                    GL             },
+   { "GL_EXT_pixel_buffer_object",                 o(EXT_pixel_buffer_object),                 GL             },
+   { "GL_EXT_point_parameters",                    o(EXT_point_parameters),                    GL             },
+   { "GL_EXT_polygon_offset",                      o(EXT_polygon_offset),                      GL             },
+   { "GL_EXT_provoking_vertex",                    o(EXT_provoking_vertex),                    GL             },
+   { "GL_EXT_rescale_normal",                      o(EXT_rescale_normal),                      GL             },
+   { "GL_EXT_secondary_color",                     o(EXT_secondary_color),                     GL             },
+   { "GL_EXT_separate_shader_objects",             o(EXT_separate_shader_objects),             GL             },
+   { "GL_EXT_separate_specular_color",             o(EXT_separate_specular_color),             GL             },
+   { "GL_EXT_shadow_funcs",                        o(EXT_shadow_funcs),                        GL             },
+   { "GL_EXT_shared_texture_palette",              o(EXT_shared_texture_palette),              GL             },
+   { "GL_EXT_stencil_two_side",                    o(EXT_stencil_two_side),                    GL             },
+   { "GL_EXT_stencil_wrap",                        o(EXT_stencil_wrap),                        GL             },
+   { "GL_EXT_subtexture",                          o(EXT_subtexture),                          GL             },
+   { "GL_EXT_texture3D",                           o(EXT_texture3D),                           GL             },
+   { "GL_EXT_texture_array",                       o(EXT_texture_array),                       GL             },
+   { "GL_EXT_texture_compression_dxt1",            o(EXT_texture_compression_s3tc),            GL | ES1 | ES2 },
+   { "GL_EXT_texture_compression_rgtc",            o(ARB_texture_compression_rgtc),            GL             },
+   { "GL_EXT_texture_compression_s3tc",            o(EXT_texture_compression_s3tc),            GL             },
+   { "GL_EXT_texture_cube_map",                    o(ARB_texture_cube_map),                    GL             },
+   { "GL_EXT_texture_edge_clamp",                  o(SGIS_texture_edge_clamp),                 GL             },
+   { "GL_EXT_texture_env_add",                     o(EXT_texture_env_add),                     GL             },
+   { "GL_EXT_texture_env_combine",                 o(EXT_texture_env_combine),                 GL             },
+   { "GL_EXT_texture_env_dot3",                    o(EXT_texture_env_dot3),                    GL             },
+   { "GL_EXT_texture_filter_anisotropic",          o(EXT_texture_filter_anisotropic),          GL | ES1 | ES2 },
+   { "GL_EXT_texture_format_BGRA8888",             o(EXT_texture_format_BGRA8888),                  ES1 | ES2 },
+   { "GL_EXT_texture_integer",                     o(EXT_texture_integer),                     GL             },
+   { "GL_EXT_texture_lod_bias",                    o(EXT_texture_lod_bias),                    GL | ES1       },
+   { "GL_EXT_texture_mirror_clamp",                o(EXT_texture_mirror_clamp),                GL             },
+   { "GL_EXT_texture_object",                      o(EXT_texture_object),                      GL             },
+   { "GL_EXT_texture",                             o(EXT_texture),                             GL             },
+   { "GL_EXT_texture_rectangle",                   o(NV_texture_rectangle),                    GL             },
+   { "GL_EXT_texture_shared_exponent",             o(EXT_texture_shared_exponent),             GL             },
+   { "GL_EXT_texture_sRGB",                        o(EXT_texture_sRGB),                        GL             },
+   { "GL_EXT_texture_sRGB_decode",                 o(EXT_texture_sRGB_decode),                        GL             },
+   { "GL_EXT_texture_swizzle",                     o(EXT_texture_swizzle),                     GL             },
+   { "GL_EXT_texture_type_2_10_10_10_REV",         o(dummy_true),                                         ES2 },
+   { "GL_EXT_timer_query",                         o(EXT_timer_query),                         GL             },
+   { "GL_EXT_transform_feedback",                  o(EXT_transform_feedback),                  GL             },
+   { "GL_EXT_vertex_array_bgra",                   o(EXT_vertex_array_bgra),                   GL             },
+   { "GL_EXT_vertex_array",                        o(EXT_vertex_array),                        GL             },
+   { "GL_EXT_vertex_array_set",                    o(EXT_vertex_array_set),                    GL             },
+
+   /* OES extensions */
+   { "GL_OES_blend_equation_separate",             o(EXT_blend_equation_separate),                  ES1       },
+   { "GL_OES_blend_func_separate",                 o(EXT_blend_func_separate),                      ES1       },
+   { "GL_OES_blend_subtract",                      o(EXT_blend_subtract),                           ES1       },
+   { "GL_OES_byte_coordinates",                    o(dummy_true),                                   ES1       },
+   { "GL_OES_compressed_paletted_texture",         o(dummy_false),                     DISABLE                },
+   { "GL_OES_depth24",                             o(EXT_framebuffer_object),                       ES1 | ES2 },
+   { "GL_OES_depth32",                             o(dummy_false),                     DISABLE                },
+   { "GL_OES_depth_texture",                       o(ARB_depth_texture),                                  ES2 },
+#if FEATURE_OES_draw_texture
+   { "GL_OES_draw_texture",                        o(OES_draw_texture),                             ES1 | ES2 },
+#endif
+#if FEATURE_OES_EGL_image
+   /*  FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */
+   { "GL_OES_EGL_image",                           o(OES_EGL_image),                           GL | ES1 | ES2 },
+#endif
+   { "GL_OES_element_index_uint",                  o(EXT_vertex_array),                             ES1 | ES2 },
+   { "GL_OES_fbo_render_mipmap",                   o(EXT_framebuffer_object),                       ES1 | ES2 },
+   { "GL_OES_fixed_point",                         o(dummy_true),                                   ES1       },
+   { "GL_OES_framebuffer_object",                  o(EXT_framebuffer_object),                       ES1       },
+   { "GL_OES_mapbuffer",                           o(ARB_vertex_buffer_object),                     ES1 | ES2 },
+   { "GL_OES_matrix_get",                          o(dummy_true),                                   ES1       },
+   { "GL_OES_packed_depth_stencil",                o(EXT_packed_depth_stencil),                     ES1 | ES2 },
+   { "GL_OES_point_size_array",                    o(dummy_true),                                   ES1       },
+   { "GL_OES_point_sprite",                        o(ARB_point_sprite),                             ES1       },
+   { "GL_OES_query_matrix",                        o(dummy_true),                                   ES1       },
+   { "GL_OES_read_format",                         o(OES_read_format),                         GL | ES1       },
+   { "GL_OES_rgb8_rgba8",                          o(EXT_framebuffer_object),                       ES1 | ES2 },
+   { "GL_OES_single_precision",                    o(dummy_true),                                   ES1       },
+   { "GL_OES_standard_derivatives",                o(OES_standard_derivatives),                           ES2 },
+   { "GL_OES_stencil1",                            o(dummy_false),                     DISABLE                },
+   { "GL_OES_stencil4",                            o(dummy_false),                     DISABLE                },
+   { "GL_OES_stencil8",                            o(EXT_framebuffer_object),                       ES1 | ES2 },
+   { "GL_OES_stencil_wrap",                        o(EXT_stencil_wrap),                             ES1       },
+   /* GL_OES_texture_3D is disabled due to missing GLSL support. */
+   { "GL_OES_texture_3D",                          o(EXT_texture3D),                   DISABLE                },
+   { "GL_OES_texture_cube_map",                    o(ARB_texture_cube_map),                         ES1       },
+   { "GL_OES_texture_env_crossbar",                o(ARB_texture_env_crossbar),                     ES1       },
+   { "GL_OES_texture_mirrored_repeat",             o(ARB_texture_mirrored_repeat),                  ES1       },
+   { "GL_OES_texture_npot",                        o(ARB_texture_non_power_of_two),                       ES2 },
+
+   /* Vendor extensions */
+   { "GL_3DFX_texture_compression_FXT1",           o(TDFX_texture_compression_FXT1),           GL             },
+   { "GL_AMD_conservative_depth",                  o(AMD_conservative_depth),                  GL             },
+   { "GL_APPLE_client_storage",                    o(APPLE_client_storage),                    GL             },
+   { "GL_APPLE_object_purgeable",                  o(APPLE_object_purgeable),                  GL             },
+   { "GL_APPLE_packed_pixels",                     o(APPLE_packed_pixels),                     GL             },
+   { "GL_APPLE_vertex_array_object",               o(APPLE_vertex_array_object),               GL             },
+   { "GL_ATI_blend_equation_separate",             o(EXT_blend_equation_separate),             GL             },
+   { "GL_ATI_envmap_bumpmap",                      o(ATI_envmap_bumpmap),                      GL             },
+   { "GL_ATI_fragment_shader",                     o(ATI_fragment_shader),                     GL             },
+   { "GL_ATI_separate_stencil",                    o(ATI_separate_stencil),                    GL             },
+   { "GL_ATI_texture_env_combine3",                o(ATI_texture_env_combine3),                GL             },
+   { "GL_ATI_texture_mirror_once",                 o(ATI_texture_mirror_once),                 GL             },
+   { "GL_IBM_multimode_draw_arrays",               o(IBM_multimode_draw_arrays),               GL             },
+   { "GL_IBM_rasterpos_clip",                      o(IBM_rasterpos_clip),                      GL             },
+   { "GL_IBM_texture_mirrored_repeat",             o(ARB_texture_mirrored_repeat),             GL             },
+   { "GL_INGR_blend_func_separate",                o(EXT_blend_func_separate),                 GL             },
+   { "GL_MESA_pack_invert",                        o(MESA_pack_invert),                        GL             },
+   { "GL_MESA_resize_buffers",                     o(MESA_resize_buffers),                     GL             },
+   { "GL_MESA_texture_array",                      o(MESA_texture_array),                      GL             },
+   { "GL_MESA_texture_signed_rgba",                o(MESA_texture_signed_rgba),                GL             },
+   { "GL_MESA_window_pos",                         o(ARB_window_pos),                          GL             },
+   { "GL_MESAX_texture_float",                     o(ARB_texture_float),                       GL             },
+   { "GL_MESA_ycbcr_texture",                      o(MESA_ycbcr_texture),                      GL             },
+   { "GL_NV_blend_square",                         o(NV_blend_square),                         GL             },
+   { "GL_NV_conditional_render",                   o(NV_conditional_render),                   GL             },
+   { "GL_NV_depth_clamp",                          o(ARB_depth_clamp),                         GL             },
+   { "GL_NV_fragment_program",                     o(NV_fragment_program),                     GL             },
+   { "GL_NV_fragment_program_option",              o(NV_fragment_program_option),              GL             },
+   { "GL_NV_light_max_exponent",                   o(NV_light_max_exponent),                   GL             },
+   { "GL_NV_packed_depth_stencil",                 o(EXT_packed_depth_stencil),                GL             },
+   { "GL_NV_point_sprite",                         o(NV_point_sprite),                         GL             },
+   { "GL_NV_primitive_restart",                    o(NV_primitive_restart),                    GL             },
+   { "GL_NV_texgen_reflection",                    o(NV_texgen_reflection),                    GL             },
+   { "GL_NV_texture_env_combine4",                 o(NV_texture_env_combine4),                 GL             },
+   { "GL_NV_texture_rectangle",                    o(NV_texture_rectangle),                    GL             },
+   { "GL_NV_vertex_program1_1",                    o(NV_vertex_program1_1),                    GL             },
+   { "GL_NV_vertex_program",                       o(NV_vertex_program),                       GL             },
+   { "GL_S3_s3tc",                                 o(S3_s3tc),                                 GL             },
+   { "GL_SGIS_generate_mipmap",                    o(SGIS_generate_mipmap),                    GL             },
+   { "GL_SGIS_texture_border_clamp",               o(ARB_texture_border_clamp),                GL             },
+   { "GL_SGIS_texture_edge_clamp",                 o(SGIS_texture_edge_clamp),                 GL             },
+   { "GL_SGIS_texture_lod",                        o(SGIS_texture_lod),                        GL             },
+   { "GL_SGI_texture_color_table",                 o(SGI_texture_color_table),                 GL             },
+   { "GL_SUN_multi_draw_arrays",                   o(EXT_multi_draw_arrays),                   GL             },
+
+   { 0, 0, 0 },
+};
+
+
+/**
+ * Given an extension name, lookup up the corresponding member of struct
+ * gl_extensions and return that member's offset (in bytes).  If the name is
+ * not found in the \c extension_table, return 0.
+ *
+ * \param name Name of extension.
+ * \return Offset of member in struct gl_extensions.
+ */
+static size_t
+name_to_offset(const char* name)
+{
+   const struct extension *i;
+
+   if (name == 0)
+      return 0;
+
+   for (i = extension_table; i->name != 0; ++i) {
+      if (strcmp(name, i->name) == 0)
+	 return i->offset;
+   }
+
+   return 0;
+}
+
+
+/**
+ * \brief Extensions enabled by default.
+ *
+ * These extensions are enabled by _mesa_init_extensions().
+ *
+ * XXX: Should these defaults also apply to GLES?
+ */
+static const size_t default_extensions[] = {
+   o(ARB_copy_buffer),
+   o(ARB_draw_buffers),
+   o(ARB_multisample),
+   o(ARB_texture_compression),
+   o(ARB_transpose_matrix),
+   o(ARB_vertex_buffer_object),
+   o(ARB_window_pos),
+
+   o(EXT_abgr),
+   o(EXT_bgra),
+   o(EXT_compiled_vertex_array),
+   o(EXT_copy_texture),
+   o(EXT_draw_range_elements),
+   o(EXT_multi_draw_arrays),
+   o(EXT_packed_pixels),
+   o(EXT_polygon_offset),
+   o(EXT_rescale_normal),
+   o(EXT_separate_specular_color),
+   o(EXT_subtexture),
+   o(EXT_texture),
+   o(EXT_texture3D),
+   o(EXT_texture_object),
+   o(EXT_vertex_array),
+
+   o(OES_read_format),
+   o(OES_standard_derivatives),
+
+   /* Vendor Extensions */
+   o(APPLE_packed_pixels),
+   o(IBM_multimode_draw_arrays),
+   o(IBM_rasterpos_clip),
+   o(NV_light_max_exponent),
+   o(NV_texgen_reflection),
+   o(SGIS_generate_mipmap),
+   o(SGIS_texture_edge_clamp),
+   o(SGIS_texture_lod),
+
+   0,
+};
+
+
+/**
+ * Enable all extensions suitable for a software-only renderer.
+ * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc.
+ */
+void
+_mesa_enable_sw_extensions(struct gl_context *ctx)
+{
+   /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/
+   ctx->Extensions.ARB_depth_clamp = GL_TRUE;
+   ctx->Extensions.ARB_depth_texture = GL_TRUE;
+   /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
+   ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
+   ctx->Extensions.ARB_draw_instanced = GL_TRUE;
+   ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
+   ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
+#if FEATURE_ARB_fragment_program
+   ctx->Extensions.ARB_fragment_program = GL_TRUE;
+   ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;
+#endif
+#if FEATURE_ARB_fragment_shader
+   ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+#endif
+#if FEATURE_ARB_framebuffer_object
+   ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
+#endif
+#if FEATURE_ARB_geometry_shader4 && 0
+   /* XXX re-enable when GLSL compiler again supports geometry shaders */
+   ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
+#endif
+   ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
+   ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
+   ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
+   ctx->Extensions.ARB_multitexture = GL_TRUE;
+#if FEATURE_queryobj
+   ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+   ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;
+#endif
+   ctx->Extensions.ARB_point_sprite = GL_TRUE;
+#if FEATURE_ARB_shader_objects
+   ctx->Extensions.ARB_shader_objects = GL_TRUE;
+   ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
+#endif
+#if FEATURE_ARB_shading_language_100
+   ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+#endif
+   ctx->Extensions.ARB_shadow = GL_TRUE;
+   ctx->Extensions.ARB_shadow_ambient = GL_TRUE;
+   ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
+   ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
+   ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
+   ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
+   ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
+   /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/
+   ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
+   ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
+   ctx->Extensions.ARB_texture_rg = GL_TRUE;
+   ctx->Extensions.ARB_texture_compression_rgtc = GL_TRUE;
+   ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
+#if FEATURE_ARB_vertex_program
+   ctx->Extensions.ARB_vertex_program = GL_TRUE;
+#endif
+#if FEATURE_ARB_vertex_shader
+   ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+#endif
+#if FEATURE_ARB_vertex_buffer_object
+   /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
+#endif
+#if FEATURE_ARB_sync
+   ctx->Extensions.ARB_sync = GL_TRUE;
+#endif
+   ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
+#if FEATURE_APPLE_object_purgeable
+   ctx->Extensions.APPLE_object_purgeable = GL_TRUE;
+#endif
+   ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE;
+#if FEATURE_ATI_fragment_shader
+   ctx->Extensions.ATI_fragment_shader = GL_TRUE;
+#endif
+   ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE;
+   ctx->Extensions.ATI_texture_mirror_once = GL_TRUE;
+   ctx->Extensions.ATI_separate_stencil = GL_TRUE;
+   ctx->Extensions.EXT_blend_color = GL_TRUE;
+   ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
+   ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
+   ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
+   ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+   ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+   ctx->Extensions.EXT_depth_bounds_test = GL_TRUE;
+   ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
+   ctx->Extensions.EXT_fog_coord = GL_TRUE;
+#if FEATURE_EXT_framebuffer_object
+   ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
+#endif
+#if FEATURE_EXT_framebuffer_blit
+   ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
+#endif
+#if FEATURE_ARB_framebuffer_object
+   ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
+#endif
+   /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
+   ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
+   ctx->Extensions.EXT_paletted_texture = GL_TRUE;
+#if FEATURE_EXT_pixel_buffer_object
+   ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+#endif
+   ctx->Extensions.EXT_point_parameters = GL_TRUE;
+   ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
+   ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
+   ctx->Extensions.EXT_secondary_color = GL_TRUE;
+   ctx->Extensions.EXT_shared_texture_palette = GL_TRUE;
+   ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
+   ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
+   ctx->Extensions.EXT_texture_array = GL_TRUE;
+   ctx->Extensions.EXT_texture_env_add = GL_TRUE;
+   ctx->Extensions.EXT_texture_env_combine = GL_TRUE;
+   ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
+   ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE;
+   ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
+#if FEATURE_EXT_texture_sRGB
+   ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+   ctx->Extensions.EXT_texture_sRGB_decode = GL_TRUE;
+#endif
+   ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
+#if FEATURE_EXT_transform_feedback
+   /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
+#endif
+   ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
+   /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/
+   ctx->Extensions.MESA_pack_invert = GL_TRUE;
+   ctx->Extensions.MESA_resize_buffers = GL_TRUE;
+   ctx->Extensions.MESA_texture_array = GL_TRUE;
+   ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;
+   ctx->Extensions.NV_blend_square = GL_TRUE;
+   ctx->Extensions.NV_conditional_render = GL_TRUE;
+   /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/
+   ctx->Extensions.NV_point_sprite = GL_TRUE;
+   ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
+   ctx->Extensions.NV_texture_rectangle = GL_TRUE;
+   /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/
+#if FEATURE_NV_vertex_program
+   ctx->Extensions.NV_vertex_program = GL_TRUE;
+   ctx->Extensions.NV_vertex_program1_1 = GL_TRUE;
+#endif
+#if FEATURE_NV_fragment_program
+   ctx->Extensions.NV_fragment_program = GL_TRUE;
+#endif
+#if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program
+   ctx->Extensions.NV_fragment_program_option = GL_TRUE;
+#endif
+   ctx->Extensions.SGI_texture_color_table = GL_TRUE;
+   /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
+   ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE;
+#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
+   ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
+#endif
+#if FEATURE_texture_fxt1
+   _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
+#endif
+#if FEATURE_texture_s3tc
+   if (ctx->Mesa_DXTn) {
+      _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
+      _mesa_enable_extension(ctx, "GL_S3_s3tc");
+   }
+#endif
+}
+
+
+/**
+ * Enable common EXT extensions in the ARB_imaging subset.
+ */
+void
+_mesa_enable_imaging_extensions(struct gl_context *ctx)
+{
+   ctx->Extensions.EXT_blend_color = GL_TRUE;
+   ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
+   ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+   ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+}
+
+
+
+/**
+ * Enable all OpenGL 1.3 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_3_extensions(struct gl_context *ctx)
+{
+   /*ctx->Extensions.ARB_multisample = GL_TRUE;*/
+   ctx->Extensions.ARB_multitexture = GL_TRUE;
+   ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
+   /*ctx->Extensions.ARB_texture_compression = GL_TRUE;*/
+   ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
+   ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
+   ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
+   ctx->Extensions.EXT_texture_env_add = GL_TRUE;
+   /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/
+}
+
+
+
+/**
+ * Enable all OpenGL 1.4 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_4_extensions(struct gl_context *ctx)
+{
+   ctx->Extensions.ARB_depth_texture = GL_TRUE;
+   ctx->Extensions.ARB_shadow = GL_TRUE;
+   ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
+   ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
+   ctx->Extensions.ARB_window_pos = GL_TRUE;
+   ctx->Extensions.EXT_blend_color = GL_TRUE;
+   ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
+   ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+   ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+   ctx->Extensions.EXT_fog_coord = GL_TRUE;
+   /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
+   ctx->Extensions.EXT_point_parameters = GL_TRUE;
+   ctx->Extensions.EXT_secondary_color = GL_TRUE;
+   ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
+   ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
+   /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
+}
+
+
+/**
+ * Enable all OpenGL 1.5 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_5_extensions(struct gl_context *ctx)
+{
+   ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+   /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
+   ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
+}
+
+
+/**
+ * Enable all OpenGL 2.0 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_2_0_extensions(struct gl_context *ctx)
+{
+   /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
+#if FEATURE_ARB_fragment_shader
+   ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+#endif
+   ctx->Extensions.ARB_point_sprite = GL_TRUE;
+   ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
+   ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
+#if FEATURE_ARB_shader_objects
+   ctx->Extensions.ARB_shader_objects = GL_TRUE;
+#endif
+#if FEATURE_ARB_shading_language_100
+   ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+#endif
+   ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
+#if FEATURE_ARB_vertex_shader
+   ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+#endif
+}
+
+
+/**
+ * Enable all OpenGL 2.1 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_2_1_extensions(struct gl_context *ctx)
+{
+#if FEATURE_EXT_pixel_buffer_object
+   ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+#endif
+#if FEATURE_EXT_texture_sRGB
+   ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+#endif
+}
+
+
+/**
+ * Either enable or disable the named extension.
+ * \return GL_TRUE for success, GL_FALSE if invalid extension name
+ */
+static GLboolean
+set_extension( struct gl_context *ctx, const char *name, GLboolean state )
+{
+   size_t offset;
+
+   if (ctx->Extensions.String) {
+      /* The string was already queried - can't change it now! */
+      _mesa_problem(ctx, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name);
+      return GL_FALSE;
+   }
+
+   offset = name_to_offset(name);
+   if (offset == 0) {
+      _mesa_problem(ctx, "Trying to enable/disable unknown extension %s",
+	            name);
+      return GL_FALSE;
+   } else if (offset == o(dummy_true) && state == GL_FALSE) {
+      _mesa_problem(ctx, "Trying to disable a permanently enabled extension: "
+	                  "%s", name);
+      return GL_FALSE;
+   } else {
+      GLboolean *base = (GLboolean *) &ctx->Extensions;
+      base[offset] = state;
+      return GL_TRUE;
+   }
+}
+
+
+/**
+ * Enable the named extension.
+ * Typically called by drivers.
+ */
+void
+_mesa_enable_extension( struct gl_context *ctx, const char *name )
+{
+   if (!set_extension(ctx, name, GL_TRUE))
+      _mesa_problem(ctx, "Trying to enable unknown extension: %s", name);
+}
+
+
+/**
+ * Disable the named extension.
+ * XXX is this really needed???
+ */
+void
+_mesa_disable_extension( struct gl_context *ctx, const char *name )
+{
+   if (!set_extension(ctx, name, GL_FALSE))
+      _mesa_problem(ctx, "Trying to disable unknown extension: %s", name);
+}
+
+
+/**
+ * Test if the named extension is enabled in this context.
+ */
+GLboolean
+_mesa_extension_is_enabled( struct gl_context *ctx, const char *name )
+{
+   size_t offset;
+   GLboolean *base;
+
+   if (name == 0)
+      return GL_FALSE;
+
+   offset = name_to_offset(name);
+   if (offset == 0)
+      return GL_FALSE;
+   base = (GLboolean *) &ctx->Extensions;
+   return base[offset];
+}
+
+
+/**
+ * \brief Apply the \c MESA_EXTENSION_OVERRIDE environment variable.
+ *
+ * \c MESA_EXTENSION_OVERRIDE is a space-separated list of extensions to
+ * enable or disable. The list is processed thus:
+ *    - Enable recognized extension names that are prefixed with '+'.
+ *    - Disable recognized extension names that are prefixed with '-'.
+ *    - Enable recognized extension names that are not prefixed.
+ *    - Collect unrecognized extension names in a new string.
+ *
+ * \return Space-separated list of unrecognized extension names (which must
+ *    be freed). Does not return \c NULL.
+ */
+static char *
+get_extension_override( struct gl_context *ctx )
+{
+   const char *env_const= _mesa_getenv("MESA_EXTENSION_OVERRIDE");
+   char *env;
+   char *ext;
+   char *extra_exts;
+   int len;
+
+   if (env_const == NULL) {
+      /* Return the empty string rather than NULL. This simplifies the logic
+       * of client functions. */
+      return calloc(1, sizeof(char));
+   }
+
+   /* extra_exts: List of unrecognized extensions. */
+   extra_exts = calloc(strlen(env_const), sizeof(char));
+
+   /* Copy env_const because strtok() is destructive. */
+   env = strdup(env_const);
+   for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) {
+      int enable;
+      int recognized;
+      switch (ext[0]) {
+      case '+':
+         enable = 1;
+         ++ext;
+         break;
+      case '-':
+         enable = 0;
+         ++ext;
+         break;
+      default:
+         enable = 1;
+         break;
+      }
+      recognized = set_extension(ctx, ext, enable);
+      if (!recognized) {
+         strcat(extra_exts, ext);
+         strcat(extra_exts, " ");
+      }
+   }
+
+   /* Remove trailing space. */
+   len  = strlen(extra_exts);
+   if (extra_exts[len - 1] == ' ')
+      extra_exts[len - 1] = '\0';
+
+   return extra_exts;
+}
+
+
+/**
+ * \brief Initialize extension tables and enable default extensions.
+ *
+ * This should be called during context initialization.
+ * Note: Sets gl_extensions.dummy_true to true.
+ */
+void
+_mesa_init_extensions( struct gl_context *ctx )
+{
+   GLboolean *base = (GLboolean *) &ctx->Extensions;
+   GLboolean *sentinel = base + o(extension_sentinel);
+   GLboolean *i;
+   const size_t *j;
+
+   /* First, turn all extensions off. */
+   for (i = base; i != sentinel; ++i)
+      *i = GL_FALSE;
+
+   /* Then, selectively turn default extensions on. */
+   ctx->Extensions.dummy_true = GL_TRUE;
+   for (j = default_extensions; *j != 0; ++j)
+      base[*j] = GL_TRUE;
+}
+
+
+/**
+ * Construct the GL_EXTENSIONS string.  Called the first time that
+ * glGetString(GL_EXTENSIONS) is called.
+ */
+GLubyte*
+_mesa_make_extension_string(struct gl_context *ctx)
+{
+   /* The extension string. */
+   char *exts = 0;
+   /* Length of extension string. */
+   size_t length = 0;
+   /* String of extra extensions. */
+   char *extra_extensions = get_extension_override(ctx);
+   GLboolean *base = (GLboolean *) &ctx->Extensions;
+   const struct extension *i;
+
+   /* Compute length of the extension string. */
+   for (i = extension_table; i->name != 0; ++i) {
+      if (base[i->offset] && (i->api_set & (1 << ctx->API))) {
+	 length += strlen(i->name) + 1; /* +1 for space */
+      }
+   }
+   if (extra_extensions != NULL)
+      length += 1 + strlen(extra_extensions); /* +1 for space */
+
+   exts = (char *) calloc(length + 1, sizeof(char));
+   if (exts == NULL) {
+      free(extra_extensions);
+      return NULL;
+   }
+
+   /* Build the extension string.*/
+   for (i = extension_table; i->name != 0; ++i) {
+      if (base[i->offset] && (i->api_set & (1 << ctx->API))) {
+         strcat(exts, i->name);
+         strcat(exts, " ");
+      }
+   }
+   if (extra_extensions != 0) {
+      strcat(exts, extra_extensions);
+      free(extra_extensions);
+   }
+
+   return (GLubyte *) exts;
+}
+
+/**
+ * Return number of enabled extensions.
+ */
+GLuint
+_mesa_get_extension_count(struct gl_context *ctx)
+{
+   GLboolean *base;
+   const struct extension *i;
+
+   /* only count once */
+   if (ctx->Extensions.Count != 0)
+      return ctx->Extensions.Count;
+
+   base = (GLboolean *) &ctx->Extensions;
+   for (i = extension_table; i->name != 0; ++i) {
+      if (base[i->offset]) {
+	 ctx->Extensions.Count++;
+      }
+   }
+   return ctx->Extensions.Count;
+}
+
+/**
+ * Return name of i-th enabled extension
+ */
+const GLubyte *
+_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
+{
+   const GLboolean *base;
+   size_t n;
+   const struct extension *i;
+
+   if (index < 0)
+      return NULL;
+
+   base = (GLboolean*) &ctx->Extensions;
+   n = 0;
+   for (i = extension_table; i->name != 0; ++i) {
+      if (n == index && base[i->offset]) {
+	 return (GLubyte*) i->name;
+      } else if (base[i->offset]) {
+	 ++n;
+      }
+   }
+
+   return NULL;
+}
diff --git a/mesalib/src/mesa/main/formats.c b/mesalib/src/mesa/main/formats.c
index 5c9b3068e..947db84a6 100644
--- a/mesalib/src/mesa/main/formats.c
+++ b/mesalib/src/mesa/main/formats.c
@@ -1,1618 +1,1658 @@
-/*

- * Mesa 3-D graphics library

- * Version:  7.7

- *

- * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.

- * Copyright (c) 2008-2009  VMware, Inc.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included

- * in all copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- */

-

-

-#include "imports.h"

-#include "formats.h"

-#include "mfeatures.h"

-

-

-/**

- * Information about texture formats.

- */

-struct gl_format_info

-{

-   gl_format Name;

-

-   /** text name for debugging */

-   const char *StrName;

-

-   /**

-    * Base format is one of GL_RED, GL_RG, GL_RGB, GL_RGBA, GL_ALPHA,

-    * GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY, GL_YCBCR_MESA,

-    * GL_COLOR_INDEX, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX,

-    * GL_DEPTH_STENCIL, GL_DUDV_ATI.

-    */

-   GLenum BaseFormat;

-

-   /**

-    * Logical data type: one of  GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALED,

-    * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.

-    */

-   GLenum DataType;

-

-   GLubyte RedBits;

-   GLubyte GreenBits;

-   GLubyte BlueBits;

-   GLubyte AlphaBits;

-   GLubyte LuminanceBits;

-   GLubyte IntensityBits;

-   GLubyte IndexBits;

-   GLubyte DepthBits;

-   GLubyte StencilBits;

-

-   /**

-    * To describe compressed formats.  If not compressed, Width=Height=1.

-    */

-   GLubyte BlockWidth, BlockHeight;

-   GLubyte BytesPerBlock;

-};

-

-

-/**

- * Info about each format.

- * These must be in the same order as the MESA_FORMAT_* enums so that

- * we can do lookups without searching.

- */

-static struct gl_format_info format_info[MESA_FORMAT_COUNT] =

-{

-   {

-      MESA_FORMAT_NONE,            /* Name */

-      "MESA_FORMAT_NONE",          /* StrName */

-      GL_NONE,                     /* BaseFormat */

-      GL_NONE,                     /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      0, 0, 0                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_RGBA8888,        /* Name */

-      "MESA_FORMAT_RGBA8888",      /* StrName */

-      GL_RGBA,                     /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      8, 8, 8, 8,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_RGBA8888_REV,    /* Name */

-      "MESA_FORMAT_RGBA8888_REV",  /* StrName */

-      GL_RGBA,                     /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      8, 8, 8, 8,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_ARGB8888,        /* Name */

-      "MESA_FORMAT_ARGB8888",      /* StrName */

-      GL_RGBA,                     /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      8, 8, 8, 8,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_ARGB8888_REV,    /* Name */

-      "MESA_FORMAT_ARGB8888_REV",  /* StrName */

-      GL_RGBA,                     /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      8, 8, 8, 8,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_XRGB8888,        /* Name */

-      "MESA_FORMAT_XRGB8888",      /* StrName */

-      GL_RGB,                      /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      8, 8, 8, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_XRGB8888_REV,    /* Name */

-      "MESA_FORMAT_XRGB8888_REV",  /* StrName */

-      GL_RGB,                      /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      8, 8, 8, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_RGB888,          /* Name */

-      "MESA_FORMAT_RGB888",        /* StrName */

-      GL_RGB,                      /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      8, 8, 8, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 3                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_BGR888,          /* Name */

-      "MESA_FORMAT_BGR888",        /* StrName */

-      GL_RGB,                      /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      8, 8, 8, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 3                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_RGB565,          /* Name */

-      "MESA_FORMAT_RGB565",        /* StrName */

-      GL_RGB,                      /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      5, 6, 5, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_RGB565_REV,      /* Name */

-      "MESA_FORMAT_RGB565_REV",    /* StrName */

-      GL_RGB,                      /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      5, 6, 5, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_ARGB4444,        /* Name */

-      "MESA_FORMAT_ARGB4444",      /* StrName */

-      GL_RGBA,                     /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      4, 4, 4, 4,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_ARGB4444_REV,    /* Name */

-      "MESA_FORMAT_ARGB4444_REV",  /* StrName */

-      GL_RGBA,                     /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      4, 4, 4, 4,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_RGBA5551,        /* Name */

-      "MESA_FORMAT_RGBA5551",      /* StrName */

-      GL_RGBA,                     /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      5, 5, 5, 1,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_ARGB1555,        /* Name */

-      "MESA_FORMAT_ARGB1555",      /* StrName */

-      GL_RGBA,                     /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      5, 5, 5, 1,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_ARGB1555_REV,    /* Name */

-      "MESA_FORMAT_ARGB1555_REV",  /* StrName */

-      GL_RGBA,                     /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      5, 5, 5, 1,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_AL44,            /* Name */

-      "MESA_FORMAT_AL44",          /* StrName */

-      GL_LUMINANCE_ALPHA,          /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 4,                  /* Red/Green/Blue/AlphaBits */

-      4, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 1                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_AL88,            /* Name */

-      "MESA_FORMAT_AL88",          /* StrName */

-      GL_LUMINANCE_ALPHA,          /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 8,                  /* Red/Green/Blue/AlphaBits */

-      8, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_AL88_REV,        /* Name */

-      "MESA_FORMAT_AL88_REV",      /* StrName */

-      GL_LUMINANCE_ALPHA,          /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 8,                  /* Red/Green/Blue/AlphaBits */

-      8, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_AL1616,          /* Name */

-      "MESA_FORMAT_AL1616",        /* StrName */

-      GL_LUMINANCE_ALPHA,          /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 16,                 /* Red/Green/Blue/AlphaBits */

-      16, 0, 0, 0, 0,              /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_AL1616_REV,      /* Name */

-      "MESA_FORMAT_AL1616_REV",    /* StrName */

-      GL_LUMINANCE_ALPHA,          /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 16,                 /* Red/Green/Blue/AlphaBits */

-      16, 0, 0, 0, 0,              /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_RGB332,          /* Name */

-      "MESA_FORMAT_RGB332",        /* StrName */

-      GL_RGB,                      /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      3, 3, 2, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 1                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_A8,              /* Name */

-      "MESA_FORMAT_A8",            /* StrName */

-      GL_ALPHA,                    /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 8,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 1                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_A16,             /* Name */

-      "MESA_FORMAT_A16",           /* StrName */

-      GL_ALPHA,                    /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 16,                 /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_L8,              /* Name */

-      "MESA_FORMAT_L8",            /* StrName */

-      GL_LUMINANCE,                /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      8, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 1                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_L16,             /* Name */

-      "MESA_FORMAT_L16",           /* StrName */

-      GL_LUMINANCE,                /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      16, 0, 0, 0, 0,              /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_I8,              /* Name */

-      "MESA_FORMAT_I8",            /* StrName */

-      GL_INTENSITY,                /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 8, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 1                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_I16,             /* Name */

-      "MESA_FORMAT_I16",           /* StrName */

-      GL_INTENSITY,                /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 16, 0, 0, 0,              /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_CI8,             /* Name */

-      "MESA_FORMAT_CI8",           /* StrName */

-      GL_COLOR_INDEX,              /* BaseFormat */

-      GL_UNSIGNED_INT,             /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 8, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 1                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_YCBCR,           /* Name */

-      "MESA_FORMAT_YCBCR",         /* StrName */

-      GL_YCBCR_MESA,               /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_YCBCR_REV,       /* Name */

-      "MESA_FORMAT_YCBCR_REV",     /* StrName */

-      GL_YCBCR_MESA,               /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_R8,

-      "MESA_FORMAT_R8",

-      GL_RED,

-      GL_UNSIGNED_NORMALIZED,

-      8, 0, 0, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 1

-   },

-   {

-      MESA_FORMAT_RG88,

-      "MESA_FORMAT_RG88",

-      GL_RG,

-      GL_UNSIGNED_NORMALIZED,

-      8, 8, 0, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 2

-   },

-   {

-      MESA_FORMAT_RG88_REV,

-      "MESA_FORMAT_RG88_REV",

-      GL_RG,

-      GL_UNSIGNED_NORMALIZED,

-      8, 8, 0, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 2

-   },

-   {

-      MESA_FORMAT_R16,

-      "MESA_FORMAT_R16",

-      GL_RED,

-      GL_UNSIGNED_NORMALIZED,

-      16, 0, 0, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 2

-   },

-   {

-      MESA_FORMAT_RG1616,

-      "MESA_FORMAT_RG1616",

-      GL_RG,

-      GL_UNSIGNED_NORMALIZED,

-      16, 16, 0, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_RG1616_REV,

-      "MESA_FORMAT_RG1616_REV",

-      GL_RG,

-      GL_UNSIGNED_NORMALIZED,

-      16, 16, 0, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_ARGB2101010,

-      "MESA_FORMAT_ARGB2101010",

-      GL_RGBA,

-      GL_UNSIGNED_NORMALIZED,

-      10, 10, 10, 2,

-      0, 0, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_Z24_S8,          /* Name */

-      "MESA_FORMAT_Z24_S8",        /* StrName */

-      GL_DEPTH_STENCIL,            /* BaseFormat */

-      GL_UNSIGNED_INT,             /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 24, 8,              /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_S8_Z24,          /* Name */

-      "MESA_FORMAT_S8_Z24",        /* StrName */

-      GL_DEPTH_STENCIL,            /* BaseFormat */

-      GL_UNSIGNED_INT,             /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 24, 8,              /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_Z16,             /* Name */

-      "MESA_FORMAT_Z16",           /* StrName */

-      GL_DEPTH_COMPONENT,          /* BaseFormat */

-      GL_UNSIGNED_INT,             /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 16, 0,              /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 2                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_X8_Z24,          /* Name */

-      "MESA_FORMAT_X8_Z24",        /* StrName */

-      GL_DEPTH_COMPONENT,          /* BaseFormat */

-      GL_UNSIGNED_INT,             /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 24, 0,              /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_Z24_X8,          /* Name */

-      "MESA_FORMAT_Z24_X8",        /* StrName */

-      GL_DEPTH_COMPONENT,          /* BaseFormat */

-      GL_UNSIGNED_INT,             /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 24, 0,              /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_Z32,             /* Name */

-      "MESA_FORMAT_Z32",           /* StrName */

-      GL_DEPTH_COMPONENT,          /* BaseFormat */

-      GL_UNSIGNED_INT,             /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 32, 0,              /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 4                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_S8,              /* Name */

-      "MESA_FORMAT_S8",            /* StrName */

-      GL_STENCIL_INDEX,            /* BaseFormat */

-      GL_UNSIGNED_INT,             /* DataType */

-      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 8,               /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 1                      /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_SRGB8,

-      "MESA_FORMAT_SRGB8",

-      GL_RGB,

-      GL_UNSIGNED_NORMALIZED,

-      8, 8, 8, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 3

-   },

-   {

-      MESA_FORMAT_SRGBA8,

-      "MESA_FORMAT_SRGBA8",

-      GL_RGBA,

-      GL_UNSIGNED_NORMALIZED,    

-      8, 8, 8, 8,

-      0, 0, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_SARGB8,

-      "MESA_FORMAT_SARGB8",

-      GL_RGBA,

-      GL_UNSIGNED_NORMALIZED,    

-      8, 8, 8, 8,

-      0, 0, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_SL8,

-      "MESA_FORMAT_SL8",

-      GL_LUMINANCE,

-      GL_UNSIGNED_NORMALIZED,    

-      0, 0, 0, 0,

-      8, 0, 0, 0, 0,

-      1, 1, 1

-   },

-   {

-      MESA_FORMAT_SLA8,

-      "MESA_FORMAT_SLA8",

-      GL_LUMINANCE_ALPHA,

-      GL_UNSIGNED_NORMALIZED,    

-      0, 0, 0, 8,

-      8, 0, 0, 0, 0,

-      1, 1, 2

-   },

-   {

-      MESA_FORMAT_SRGB_DXT1,       /* Name */

-      "MESA_FORMAT_SRGB_DXT1",     /* StrName */

-      GL_RGB,                      /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      4, 4, 4, 0,                  /* approx Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      4, 4, 8                      /* 8 bytes per 4x4 block */

-   },

-   {

-      MESA_FORMAT_SRGBA_DXT1,

-      "MESA_FORMAT_SRGBA_DXT1",

-      GL_RGBA,

-      GL_UNSIGNED_NORMALIZED,

-      4, 4, 4, 4,

-      0, 0, 0, 0, 0,

-      4, 4, 8                      /* 8 bytes per 4x4 block */

-   },

-   {

-      MESA_FORMAT_SRGBA_DXT3,

-      "MESA_FORMAT_SRGBA_DXT3",

-      GL_RGBA,

-      GL_UNSIGNED_NORMALIZED,

-      4, 4, 4, 4,

-      0, 0, 0, 0, 0,

-      4, 4, 16                     /* 16 bytes per 4x4 block */

-   },

-   {

-      MESA_FORMAT_SRGBA_DXT5,

-      "MESA_FORMAT_SRGBA_DXT5",

-      GL_RGBA,

-      GL_UNSIGNED_NORMALIZED,

-      4, 4, 4, 4,

-      0, 0, 0, 0, 0,

-      4, 4, 16                     /* 16 bytes per 4x4 block */

-   },

-

-   {

-      MESA_FORMAT_RGB_FXT1,

-      "MESA_FORMAT_RGB_FXT1",

-      GL_RGB,

-      GL_UNSIGNED_NORMALIZED,

-      4, 4, 4, 0,                  /* approx Red/Green/BlueBits */

-      0, 0, 0, 0, 0,

-      8, 4, 16                     /* 16 bytes per 8x4 block */

-   },

-   {

-      MESA_FORMAT_RGBA_FXT1,

-      "MESA_FORMAT_RGBA_FXT1",

-      GL_RGBA,

-      GL_UNSIGNED_NORMALIZED,

-      4, 4, 4, 1,                  /* approx Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,

-      8, 4, 16                     /* 16 bytes per 8x4 block */

-   },

-

-   {

-      MESA_FORMAT_RGB_DXT1,        /* Name */

-      "MESA_FORMAT_RGB_DXT1",      /* StrName */

-      GL_RGB,                      /* BaseFormat */

-      GL_UNSIGNED_NORMALIZED,      /* DataType */

-      4, 4, 4, 0,                  /* approx Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */

-      4, 4, 8                      /* 8 bytes per 4x4 block */

-   },

-   {

-      MESA_FORMAT_RGBA_DXT1,

-      "MESA_FORMAT_RGBA_DXT1",

-      GL_RGBA,

-      GL_UNSIGNED_NORMALIZED,    

-      4, 4, 4, 4,

-      0, 0, 0, 0, 0,

-      4, 4, 8                      /* 8 bytes per 4x4 block */

-   },

-   {

-      MESA_FORMAT_RGBA_DXT3,

-      "MESA_FORMAT_RGBA_DXT3",

-      GL_RGBA,

-      GL_UNSIGNED_NORMALIZED,    

-      4, 4, 4, 4,

-      0, 0, 0, 0, 0,

-      4, 4, 16                     /* 16 bytes per 4x4 block */

-   },

-   {

-      MESA_FORMAT_RGBA_DXT5,

-      "MESA_FORMAT_RGBA_DXT5",

-      GL_RGBA,

-      GL_UNSIGNED_NORMALIZED,    

-      4, 4, 4, 4,

-      0, 0, 0, 0, 0,

-      4, 4, 16                     /* 16 bytes per 4x4 block */

-   },

-   {

-      MESA_FORMAT_RGBA_FLOAT32,

-      "MESA_FORMAT_RGBA_FLOAT32",

-      GL_RGBA,

-      GL_FLOAT,

-      32, 32, 32, 32,

-      0, 0, 0, 0, 0,

-      1, 1, 16

-   },

-   {

-      MESA_FORMAT_RGBA_FLOAT16,

-      "MESA_FORMAT_RGBA_FLOAT16",

-      GL_RGBA,

-      GL_FLOAT,

-      16, 16, 16, 16,

-      0, 0, 0, 0, 0,

-      1, 1, 8

-   },

-   {

-      MESA_FORMAT_RGB_FLOAT32,

-      "MESA_FORMAT_RGB_FLOAT32",

-      GL_RGB,

-      GL_FLOAT,

-      32, 32, 32, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 12

-   },

-   {

-      MESA_FORMAT_RGB_FLOAT16,

-      "MESA_FORMAT_RGB_FLOAT16",

-      GL_RGB,

-      GL_FLOAT,

-      16, 16, 16, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 6

-   },

-   {

-      MESA_FORMAT_ALPHA_FLOAT32,

-      "MESA_FORMAT_ALPHA_FLOAT32",

-      GL_ALPHA,

-      GL_FLOAT,

-      0, 0, 0, 32,

-      0, 0, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_ALPHA_FLOAT16,

-      "MESA_FORMAT_ALPHA_FLOAT16",

-      GL_ALPHA,

-      GL_FLOAT,

-      0, 0, 0, 16,

-      0, 0, 0, 0, 0,

-      1, 1, 2

-   },

-   {

-      MESA_FORMAT_LUMINANCE_FLOAT32,

-      "MESA_FORMAT_LUMINANCE_FLOAT32",

-      GL_ALPHA,

-      GL_FLOAT,

-      0, 0, 0, 0,

-      32, 0, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_LUMINANCE_FLOAT16,

-      "MESA_FORMAT_LUMINANCE_FLOAT16",

-      GL_ALPHA,

-      GL_FLOAT,

-      0, 0, 0, 0,

-      16, 0, 0, 0, 0,

-      1, 1, 2

-   },

-   {

-      MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,

-      "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32",

-      GL_LUMINANCE_ALPHA,

-      GL_FLOAT,

-      0, 0, 0, 32,

-      32, 0, 0, 0, 0,

-      1, 1, 8

-   },

-   {

-      MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,

-      "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16",

-      GL_LUMINANCE_ALPHA,

-      GL_FLOAT,

-      0, 0, 0, 16,

-      16, 0, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_INTENSITY_FLOAT32,

-      "MESA_FORMAT_INTENSITY_FLOAT32",

-      GL_INTENSITY,

-      GL_FLOAT,

-      0, 0, 0, 0,

-      0, 32, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_INTENSITY_FLOAT16,

-      "MESA_FORMAT_INTENSITY_FLOAT16",

-      GL_INTENSITY,

-      GL_FLOAT,

-      0, 0, 0, 0,

-      0, 16, 0, 0, 0,

-      1, 1, 2

-   },

-

-   /* unnormalized signed int formats */

-   {

-      MESA_FORMAT_RGBA_INT8,

-      "MESA_FORMAT_RGBA_INT8",

-      GL_RGBA,

-      GL_INT,

-      8, 8, 8, 8,

-      0, 0, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_RGBA_INT16,

-      "MESA_FORMAT_RGBA_INT16",

-      GL_RGBA,

-      GL_INT,

-      16, 16, 16, 16,

-      0, 0, 0, 0, 0,

-      1, 1, 8

-   },

-   {

-      MESA_FORMAT_RGBA_INT32,

-      "MESA_FORMAT_RGBA_INT32",

-      GL_RGBA,

-      GL_INT,

-      32, 32, 32, 32,

-      0, 0, 0, 0, 0,

-      1, 1, 16

-   },

-

-   /* unnormalized unsigned int formats */

-   {

-      MESA_FORMAT_RGBA_UINT8,

-      "MESA_FORMAT_RGBA_UINT8",

-      GL_RGBA,

-      GL_UNSIGNED_INT,

-      8, 8, 8, 8,

-      0, 0, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_RGBA_UINT16,

-      "MESA_FORMAT_RGBA_UINT16",

-      GL_RGBA,

-      GL_UNSIGNED_INT,

-      16, 16, 16, 16,

-      0, 0, 0, 0, 0,

-      1, 1, 8

-   },

-   {

-      MESA_FORMAT_RGBA_UINT32,

-      "MESA_FORMAT_RGBA_UINT32",

-      GL_RGBA,

-      GL_UNSIGNED_INT,

-      32, 32, 32, 32,

-      0, 0, 0, 0, 0,

-      1, 1, 16

-   },

-

-

-   {

-      MESA_FORMAT_DUDV8,

-      "MESA_FORMAT_DUDV8",

-      GL_DUDV_ATI,

-      GL_SIGNED_NORMALIZED,

-      0, 0, 0, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 2

-   },

-

-   /* Signed 8 bits / channel */

-   {

-      MESA_FORMAT_SIGNED_R8,        /* Name */

-      "MESA_FORMAT_SIGNED_R8",      /* StrName */

-      GL_RED,                       /* BaseFormat */

-      GL_SIGNED_NORMALIZED,         /* DataType */

-      8, 0, 0, 0,                   /* Red/Green/Blue/AlphaBits */

-      0, 0, 0, 0, 0,                /* Lum/Int/Index/Depth/StencilBits */

-      1, 1, 1                       /* BlockWidth/Height,Bytes */

-   },

-   {

-      MESA_FORMAT_SIGNED_RG88,

-      "MESA_FORMAT_SIGNED_RG88",

-      GL_RG,

-      GL_SIGNED_NORMALIZED,

-      8, 8, 0, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 2

-   },

-   {

-      MESA_FORMAT_SIGNED_RGBX8888,

-      "MESA_FORMAT_SIGNED_RGBX8888",

-      GL_RGB,

-      GL_SIGNED_NORMALIZED,

-      8, 8, 8, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 4                       /* 4 bpp, but no alpha */

-   },

-   {

-      MESA_FORMAT_SIGNED_RGBA8888,

-      "MESA_FORMAT_SIGNED_RGBA8888",

-      GL_RGBA,

-      GL_SIGNED_NORMALIZED,

-      8, 8, 8, 8,

-      0, 0, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_SIGNED_RGBA8888_REV,

-      "MESA_FORMAT_SIGNED_RGBA8888_REV",

-      GL_RGBA,

-      GL_SIGNED_NORMALIZED,

-      8, 8, 8, 8,

-      0, 0, 0, 0, 0,

-      1, 1, 4

-   },

-

-   /* Signed 16 bits / channel */

-   {

-      MESA_FORMAT_SIGNED_R_16,

-      "MESA_FORMAT_SIGNED_R_16",

-      GL_RED,

-      GL_SIGNED_NORMALIZED,

-      16, 0, 0, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 2

-   },

-   {

-      MESA_FORMAT_SIGNED_RG_16,

-      "MESA_FORMAT_SIGNED_RG_16",

-      GL_RG,

-      GL_SIGNED_NORMALIZED,

-      16, 16, 0, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 4

-   },

-   {

-      MESA_FORMAT_SIGNED_RGB_16,

-      "MESA_FORMAT_SIGNED_RGB_16",

-      GL_RGB,

-      GL_SIGNED_NORMALIZED,

-      16, 16, 16, 0,

-      0, 0, 0, 0, 0,

-      1, 1, 6

-   },

-   {

-      MESA_FORMAT_SIGNED_RGBA_16,

-      "MESA_FORMAT_SIGNED_RGBA_16",

-      GL_RGBA,

-      GL_SIGNED_NORMALIZED,

-      16, 16, 16, 16,

-      0, 0, 0, 0, 0,

-      1, 1, 8

-   },

-   {

-      MESA_FORMAT_RGBA_16,

-      "MESA_FORMAT_RGBA_16",

-      GL_RGBA,

-      GL_UNSIGNED_NORMALIZED,

-      16, 16, 16, 16,

-      0, 0, 0, 0, 0,

-      1, 1, 8

-   }

-};

-

-

-

-static const struct gl_format_info *

-_mesa_get_format_info(gl_format format)

-{

-   const struct gl_format_info *info = &format_info[format];

-   assert(info->Name == format);

-   return info;

-}

-

-

-/** Return string name of format (for debugging) */

-const char *

-_mesa_get_format_name(gl_format format)

-{

-   const struct gl_format_info *info = _mesa_get_format_info(format);

-   return info->StrName;

-}

-

-

-

-/**

- * Return bytes needed to store a block of pixels in the given format.

- * Normally, a block is 1x1 (a single pixel).  But for compressed formats

- * a block may be 4x4 or 8x4, etc.

- */

-GLuint

-_mesa_get_format_bytes(gl_format format)

-{

-   const struct gl_format_info *info = _mesa_get_format_info(format);

-   ASSERT(info->BytesPerBlock);

-   return info->BytesPerBlock;

-}

-

-

-/**

- * Return bits per component for the given format.

- * \param format  one of MESA_FORMAT_x

- * \param pname  the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.

- */

-GLint

-_mesa_get_format_bits(gl_format format, GLenum pname)

-{

-   const struct gl_format_info *info = _mesa_get_format_info(format);

-

-   switch (pname) {

-   case GL_RED_BITS:

-   case GL_TEXTURE_RED_SIZE:

-   case GL_RENDERBUFFER_RED_SIZE_EXT:

-   case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:

-      return info->RedBits;

-   case GL_GREEN_BITS:

-   case GL_TEXTURE_GREEN_SIZE:

-   case GL_RENDERBUFFER_GREEN_SIZE_EXT:

-   case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:

-      return info->GreenBits;

-   case GL_BLUE_BITS:

-   case GL_TEXTURE_BLUE_SIZE:

-   case GL_RENDERBUFFER_BLUE_SIZE_EXT:

-   case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:

-      return info->BlueBits;

-   case GL_ALPHA_BITS:

-   case GL_TEXTURE_ALPHA_SIZE:

-   case GL_RENDERBUFFER_ALPHA_SIZE_EXT:

-   case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:

-      return info->AlphaBits;

-   case GL_TEXTURE_INTENSITY_SIZE:

-      return info->IntensityBits;

-   case GL_TEXTURE_LUMINANCE_SIZE:

-      return info->LuminanceBits;

-   case GL_INDEX_BITS:

-   case GL_TEXTURE_INDEX_SIZE_EXT:

-      return info->IndexBits;

-   case GL_DEPTH_BITS:

-   case GL_TEXTURE_DEPTH_SIZE_ARB:

-   case GL_RENDERBUFFER_DEPTH_SIZE_EXT:

-   case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:

-      return info->DepthBits;

-   case GL_STENCIL_BITS:

-   case GL_TEXTURE_STENCIL_SIZE_EXT:

-   case GL_RENDERBUFFER_STENCIL_SIZE_EXT:

-   case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:

-      return info->StencilBits;

-   default:

-      _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");

-      return 0;

-   }

-}

-

-

-/**

- * Return the data type (or more specifically, the data representation)

- * for the given format.

- * The return value will be one of:

- *    GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]

- *    GL_SIGNED_NORMALIZED = signed int representing [-1, 1]

- *    GL_UNSIGNED_INT = an ordinary unsigned integer

- *    GL_INT = an ordinary signed integer

- *    GL_FLOAT = an ordinary float

- */

-GLenum

-_mesa_get_format_datatype(gl_format format)

-{

-   const struct gl_format_info *info = _mesa_get_format_info(format);

-   return info->DataType;

-}

-

-

-/**

- * Return the basic format for the given type.  The result will be

- * one of GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA,

- * GL_INTENSITY, GL_YCBCR_MESA, GL_COLOR_INDEX, GL_DEPTH_COMPONENT,

- * GL_STENCIL_INDEX, GL_DEPTH_STENCIL.

- */

-GLenum

-_mesa_get_format_base_format(gl_format format)

-{

-   const struct gl_format_info *info = _mesa_get_format_info(format);

-   return info->BaseFormat;

-}

-

-

-/**

- * Return the block size (in pixels) for the given format.  Normally

- * the block size is 1x1.  But compressed formats will have block sizes

- * of 4x4 or 8x4 pixels, etc.

- * \param bw  returns block width in pixels

- * \param bh  returns block height in pixels

- */

-void

-_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh)

-{

-   const struct gl_format_info *info = _mesa_get_format_info(format);

-   *bw = info->BlockWidth;

-   *bh = info->BlockHeight;

-}

-

-

-/** Is the given format a compressed format? */

-GLboolean

-_mesa_is_format_compressed(gl_format format)

-{

-   const struct gl_format_info *info = _mesa_get_format_info(format);

-   return info->BlockWidth > 1 || info->BlockHeight > 1;

-}

-

-

-/**

- * Determine if the given format represents a packed depth/stencil buffer.

- */

-GLboolean

-_mesa_is_format_packed_depth_stencil(gl_format format)

-{

-   const struct gl_format_info *info = _mesa_get_format_info(format);

-

-   return info->BaseFormat == GL_DEPTH_STENCIL;

-}

-

-

-/**

- * Is the given format a signed/unsigned integer color format?

- */

-GLboolean

-_mesa_is_format_integer_color(gl_format format)

-{

-   const struct gl_format_info *info = _mesa_get_format_info(format);

-   return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&

-      info->BaseFormat != GL_DEPTH_COMPONENT &&

-      info->BaseFormat != GL_DEPTH_STENCIL &&

-      info->BaseFormat != GL_STENCIL_INDEX;

-}

-

-

-/**

- * Return color encoding for given format.

- * \return GL_LINEAR or GL_SRGB

- */

-GLenum

-_mesa_get_format_color_encoding(gl_format format)

-{

-   /* XXX this info should be encoded in gl_format_info */

-   switch (format) {

-   case MESA_FORMAT_SRGB8:

-   case MESA_FORMAT_SRGBA8:

-   case MESA_FORMAT_SARGB8:

-   case MESA_FORMAT_SL8:

-   case MESA_FORMAT_SLA8:

-   case MESA_FORMAT_SRGB_DXT1:

-   case MESA_FORMAT_SRGBA_DXT1:

-   case MESA_FORMAT_SRGBA_DXT3:

-   case MESA_FORMAT_SRGBA_DXT5:

-      return GL_SRGB;

-   default:

-      return GL_LINEAR;

-   }

-}

-

-

-/**

- * For an sRGB format, return the corresponding linear color space format.

- * For non-sRGB formats, return the format as-is.

- */

-gl_format

-_mesa_get_srgb_format_linear(gl_format format)

-{

-   switch (format) {

-   case MESA_FORMAT_SRGB8:

-      format = MESA_FORMAT_RGB888;

-      break;

-   case MESA_FORMAT_SRGBA8:

-      format = MESA_FORMAT_RGBA8888;

-      break;

-   case MESA_FORMAT_SARGB8:

-      format = MESA_FORMAT_ARGB8888;

-      break;

-   case MESA_FORMAT_SL8:

-      format = MESA_FORMAT_L8;

-      break;

-   case MESA_FORMAT_SLA8:

-      format = MESA_FORMAT_AL88;

-      break;

-   case MESA_FORMAT_SRGB_DXT1:

-      format = MESA_FORMAT_RGB_DXT1;

-      break;

-   case MESA_FORMAT_SRGBA_DXT1:

-      format = MESA_FORMAT_RGBA_DXT1;

-      break;

-   case MESA_FORMAT_SRGBA_DXT3:

-      format = MESA_FORMAT_RGBA_DXT3;

-      break;

-   case MESA_FORMAT_SRGBA_DXT5:

-      format = MESA_FORMAT_RGBA_DXT5;

-      break;

-   default:

-      break;

-   }

-   return format;

-}

-

-

-/**

- * Return number of bytes needed to store an image of the given size

- * in the given format.

- */

-GLuint

-_mesa_format_image_size(gl_format format, GLsizei width,

-                        GLsizei height, GLsizei depth)

-{

-   const struct gl_format_info *info = _mesa_get_format_info(format);

-   /* Strictly speaking, a conditional isn't needed here */

-   if (info->BlockWidth > 1 || info->BlockHeight > 1) {

-      /* compressed format (2D only for now) */

-      const GLuint bw = info->BlockWidth, bh = info->BlockHeight;

-      const GLuint wblocks = (width + bw - 1) / bw;

-      const GLuint hblocks = (height + bh - 1) / bh;

-      const GLuint sz = wblocks * hblocks * info->BytesPerBlock;

-      assert(depth == 1);

-      return sz;

-   }

-   else {

-      /* non-compressed */

-      const GLuint sz = width * height * depth * info->BytesPerBlock;

-      return sz;

-   }

-}

-

-

-/**

- * Same as _mesa_format_image_size() but returns a 64-bit value to

- * accomodate very large textures.

- */

-uint64_t

-_mesa_format_image_size64(gl_format format, GLsizei width,

-                          GLsizei height, GLsizei depth)

-{

-   const struct gl_format_info *info = _mesa_get_format_info(format);

-   /* Strictly speaking, a conditional isn't needed here */

-   if (info->BlockWidth > 1 || info->BlockHeight > 1) {

-      /* compressed format (2D only for now) */

-      const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;

-      const uint64_t wblocks = (width + bw - 1) / bw;

-      const uint64_t hblocks = (height + bh - 1) / bh;

-      const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;

-      assert(depth == 1);

-      return sz;

-   }

-   else {

-      /* non-compressed */

-      const uint64_t sz = ((uint64_t) width *

-                           (uint64_t) height *

-                           (uint64_t) depth *

-                           info->BytesPerBlock);

-      return sz;

-   }

-}

-

-

-

-GLint

-_mesa_format_row_stride(gl_format format, GLsizei width)

-{

-   const struct gl_format_info *info = _mesa_get_format_info(format);

-   /* Strictly speaking, a conditional isn't needed here */

-   if (info->BlockWidth > 1 || info->BlockHeight > 1) {

-      /* compressed format */

-      const GLuint bw = info->BlockWidth;

-      const GLuint wblocks = (width + bw - 1) / bw;

-      const GLint stride = wblocks * info->BytesPerBlock;

-      return stride;

-   }

-   else {

-      const GLint stride = width * info->BytesPerBlock;

-      return stride;

-   }

-}

-

-

-/**

- * Debug/test: check that all formats are handled in the

- * _mesa_format_to_type_and_comps() function.  When new pixel formats

- * are added to Mesa, that function needs to be updated.

- * This is a no-op after the first call.

- */

-static void

-check_format_to_type_and_comps(void)

-{

-   gl_format f;

-

-   for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {

-      GLenum datatype = 0;

-      GLuint comps = 0;

-      /* This function will emit a problem/warning if the format is

-       * not handled.

-       */

-      _mesa_format_to_type_and_comps(f, &datatype, &comps);

-   }

-}

-

-

-/**

- * Do sanity checking of the format info table.

- */

-void

-_mesa_test_formats(void)

-{

-   GLuint i;

-

-   assert(Elements(format_info) == MESA_FORMAT_COUNT);

-

-   for (i = 0; i < MESA_FORMAT_COUNT; i++) {

-      const struct gl_format_info *info = _mesa_get_format_info(i);

-      assert(info);

-

-      assert(info->Name == i);

-

-      if (info->Name == MESA_FORMAT_NONE)

-         continue;

-

-      if (info->BlockWidth == 1 && info->BlockHeight == 1) {

-         if (info->RedBits > 0) {

-            GLuint t = info->RedBits + info->GreenBits

-               + info->BlueBits + info->AlphaBits;

-            assert(t / 8 <= info->BytesPerBlock);

-            (void) t;

-         }

-      }

-

-      assert(info->DataType == GL_UNSIGNED_NORMALIZED ||

-             info->DataType == GL_SIGNED_NORMALIZED ||

-             info->DataType == GL_UNSIGNED_INT ||

-             info->DataType == GL_INT ||

-             info->DataType == GL_FLOAT);

-

-      if (info->BaseFormat == GL_RGB) {

-         assert(info->RedBits > 0);

-         assert(info->GreenBits > 0);

-         assert(info->BlueBits > 0);

-         assert(info->AlphaBits == 0);

-         assert(info->LuminanceBits == 0);

-         assert(info->IntensityBits == 0);

-      }

-      else if (info->BaseFormat == GL_RGBA) {

-         assert(info->RedBits > 0);

-         assert(info->GreenBits > 0);

-         assert(info->BlueBits > 0);

-         assert(info->AlphaBits > 0);

-         assert(info->LuminanceBits == 0);

-         assert(info->IntensityBits == 0);

-      }

-      else if (info->BaseFormat == GL_RG) {

-         assert(info->RedBits > 0);

-         assert(info->GreenBits > 0);

-         assert(info->BlueBits == 0);

-         assert(info->AlphaBits == 0);

-         assert(info->LuminanceBits == 0);

-         assert(info->IntensityBits == 0);

-      }

-      else if (info->BaseFormat == GL_RED) {

-         assert(info->RedBits > 0);

-         assert(info->GreenBits == 0);

-         assert(info->BlueBits == 0);

-         assert(info->AlphaBits == 0);

-         assert(info->LuminanceBits == 0);

-         assert(info->IntensityBits == 0);

-      }

-      else if (info->BaseFormat == GL_LUMINANCE) {

-         assert(info->RedBits == 0);

-         assert(info->GreenBits == 0);

-         assert(info->BlueBits == 0);

-         assert(info->AlphaBits == 0);

-         assert(info->LuminanceBits > 0);

-         assert(info->IntensityBits == 0);

-      }

-      else if (info->BaseFormat == GL_INTENSITY) {

-         assert(info->RedBits == 0);

-         assert(info->GreenBits == 0);

-         assert(info->BlueBits == 0);

-         assert(info->AlphaBits == 0);

-         assert(info->LuminanceBits == 0);

-         assert(info->IntensityBits > 0);

-      }

-   }

-

-   check_format_to_type_and_comps();

-}

-

-

-

-/**

- * Return datatype and number of components per texel for the given gl_format.

- * Only used for mipmap generation code.

- */

-void

-_mesa_format_to_type_and_comps(gl_format format,

-                               GLenum *datatype, GLuint *comps)

-{

-   switch (format) {

-   case MESA_FORMAT_RGBA8888:

-   case MESA_FORMAT_RGBA8888_REV:

-   case MESA_FORMAT_ARGB8888:

-   case MESA_FORMAT_ARGB8888_REV:

-   case MESA_FORMAT_XRGB8888:

-   case MESA_FORMAT_XRGB8888_REV:

-      *datatype = GL_UNSIGNED_BYTE;

-      *comps = 4;

-      return;

-   case MESA_FORMAT_RGB888:

-   case MESA_FORMAT_BGR888:

-      *datatype = GL_UNSIGNED_BYTE;

-      *comps = 3;

-      return;

-   case MESA_FORMAT_RGB565:

-   case MESA_FORMAT_RGB565_REV:

-      *datatype = GL_UNSIGNED_SHORT_5_6_5;

-      *comps = 3;

-      return;

-

-   case MESA_FORMAT_ARGB4444:

-   case MESA_FORMAT_ARGB4444_REV:

-      *datatype = GL_UNSIGNED_SHORT_4_4_4_4;

-      *comps = 4;

-      return;

-

-   case MESA_FORMAT_ARGB1555:

-   case MESA_FORMAT_ARGB1555_REV:

-      *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;

-      *comps = 4;

-      return;

-

-   case MESA_FORMAT_ARGB2101010:

-      *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;

-      *comps = 4;

-      return;

-

-   case MESA_FORMAT_RGBA5551:

-      *datatype = GL_UNSIGNED_SHORT_5_5_5_1;

-      *comps = 4;

-      return;

-

-   case MESA_FORMAT_AL44:

-      *datatype = MESA_UNSIGNED_BYTE_4_4;

-      *comps = 2;

-      return;

-

-   case MESA_FORMAT_AL88:

-   case MESA_FORMAT_AL88_REV:

-   case MESA_FORMAT_RG88:

-   case MESA_FORMAT_RG88_REV:

-      *datatype = GL_UNSIGNED_BYTE;

-      *comps = 2;

-      return;

-

-   case MESA_FORMAT_AL1616:

-   case MESA_FORMAT_AL1616_REV:

-   case MESA_FORMAT_RG1616:

-   case MESA_FORMAT_RG1616_REV:

-      *datatype = GL_UNSIGNED_SHORT;

-      *comps = 2;

-      return;

-

-   case MESA_FORMAT_R16:

-   case MESA_FORMAT_A16:

-   case MESA_FORMAT_L16:

-   case MESA_FORMAT_I16:

-      *datatype = GL_UNSIGNED_SHORT;

-      *comps = 1;

-      return;

-

-   case MESA_FORMAT_RGB332:

-      *datatype = GL_UNSIGNED_BYTE_3_3_2;

-      *comps = 3;

-      return;

-

-   case MESA_FORMAT_A8:

-   case MESA_FORMAT_L8:

-   case MESA_FORMAT_I8:

-   case MESA_FORMAT_CI8:

-   case MESA_FORMAT_R8:

-   case MESA_FORMAT_S8:

-      *datatype = GL_UNSIGNED_BYTE;

-      *comps = 1;

-      return;

-

-   case MESA_FORMAT_YCBCR:

-   case MESA_FORMAT_YCBCR_REV:

-      *datatype = GL_UNSIGNED_SHORT;

-      *comps = 2;

-      return;

-

-   case MESA_FORMAT_Z24_S8:

-      *datatype = GL_UNSIGNED_INT;

-      *comps = 1; /* XXX OK? */

-      return;

-

-   case MESA_FORMAT_S8_Z24:

-      *datatype = GL_UNSIGNED_INT;

-      *comps = 1; /* XXX OK? */

-      return;

-

-   case MESA_FORMAT_Z16:

-      *datatype = GL_UNSIGNED_SHORT;

-      *comps = 1;

-      return;

-

-   case MESA_FORMAT_X8_Z24:

-      *datatype = GL_UNSIGNED_INT;

-      *comps = 1;

-      return;

-

-   case MESA_FORMAT_Z24_X8:

-      *datatype = GL_UNSIGNED_INT;

-      *comps = 1;

-      return;

-

-   case MESA_FORMAT_Z32:

-      *datatype = GL_UNSIGNED_INT;

-      *comps = 1;

-      return;

-

-   case MESA_FORMAT_DUDV8:

-      *datatype = GL_BYTE;

-      *comps = 2;

-      return;

-

-   case MESA_FORMAT_SIGNED_R8:

-      *datatype = GL_BYTE;

-      *comps = 1;

-      return;

-   case MESA_FORMAT_SIGNED_RG88:

-      *datatype = GL_BYTE;

-      *comps = 2;

-      return;

-   case MESA_FORMAT_SIGNED_RGBA8888:

-   case MESA_FORMAT_SIGNED_RGBA8888_REV:

-   case MESA_FORMAT_SIGNED_RGBX8888:

-      *datatype = GL_BYTE;

-      *comps = 4;

-      return;

-

-   case MESA_FORMAT_RGBA_16:

-      *datatype = GL_UNSIGNED_SHORT;

-      *comps = 4;

-      return;

-

-   case MESA_FORMAT_SIGNED_R_16:

-      *datatype = GL_SHORT;

-      *comps = 1;

-      return;

-   case MESA_FORMAT_SIGNED_RG_16:

-      *datatype = GL_SHORT;

-      *comps = 2;

-      return;

-   case MESA_FORMAT_SIGNED_RGB_16:

-      *datatype = GL_SHORT;

-      *comps = 3;

-      return;

-   case MESA_FORMAT_SIGNED_RGBA_16:

-      *datatype = GL_SHORT;

-      *comps = 4;

-      return;

-

-#if FEATURE_EXT_texture_sRGB

-   case MESA_FORMAT_SRGB8:

-      *datatype = GL_UNSIGNED_BYTE;

-      *comps = 3;

-      return;

-   case MESA_FORMAT_SRGBA8:

-   case MESA_FORMAT_SARGB8:

-      *datatype = GL_UNSIGNED_BYTE;

-      *comps = 4;

-      return;

-   case MESA_FORMAT_SL8:

-      *datatype = GL_UNSIGNED_BYTE;

-      *comps = 1;

-      return;

-   case MESA_FORMAT_SLA8:

-      *datatype = GL_UNSIGNED_BYTE;

-      *comps = 2;

-      return;

-#endif

-

-#if FEATURE_texture_fxt1

-   case MESA_FORMAT_RGB_FXT1:

-   case MESA_FORMAT_RGBA_FXT1:

-#endif

-#if FEATURE_texture_s3tc

-   case MESA_FORMAT_RGB_DXT1:

-   case MESA_FORMAT_RGBA_DXT1:

-   case MESA_FORMAT_RGBA_DXT3:

-   case MESA_FORMAT_RGBA_DXT5:

-#if FEATURE_EXT_texture_sRGB

-   case MESA_FORMAT_SRGB_DXT1:

-   case MESA_FORMAT_SRGBA_DXT1:

-   case MESA_FORMAT_SRGBA_DXT3:

-   case MESA_FORMAT_SRGBA_DXT5:

-#endif

-#endif

-      /* XXX generate error instead? */

-      *datatype = GL_UNSIGNED_BYTE;

-      *comps = 0;

-      return;

-

-   case MESA_FORMAT_RGBA_FLOAT32:

-      *datatype = GL_FLOAT;

-      *comps = 4;

-      return;

-   case MESA_FORMAT_RGBA_FLOAT16:

-      *datatype = GL_HALF_FLOAT_ARB;

-      *comps = 4;

-      return;

-   case MESA_FORMAT_RGB_FLOAT32:

-      *datatype = GL_FLOAT;

-      *comps = 3;

-      return;

-   case MESA_FORMAT_RGB_FLOAT16:

-      *datatype = GL_HALF_FLOAT_ARB;

-      *comps = 3;

-      return;

-   case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:

-      *datatype = GL_FLOAT;

-      *comps = 2;

-      return;

-   case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:

-      *datatype = GL_HALF_FLOAT_ARB;

-      *comps = 2;

-      return;

-   case MESA_FORMAT_ALPHA_FLOAT32:

-   case MESA_FORMAT_LUMINANCE_FLOAT32:

-   case MESA_FORMAT_INTENSITY_FLOAT32:

-      *datatype = GL_FLOAT;

-      *comps = 1;

-      return;

-   case MESA_FORMAT_ALPHA_FLOAT16:

-   case MESA_FORMAT_LUMINANCE_FLOAT16:

-   case MESA_FORMAT_INTENSITY_FLOAT16:

-      *datatype = GL_HALF_FLOAT_ARB;

-      *comps = 1;

-      return;

-

-   case MESA_FORMAT_RGBA_INT8:

-      *datatype = GL_BYTE;

-      *comps = 4;

-      return;

-   case MESA_FORMAT_RGBA_INT16:

-      *datatype = GL_SHORT;

-      *comps = 4;

-      return;

-   case MESA_FORMAT_RGBA_INT32:

-      *datatype = GL_INT;

-      *comps = 4;

-      return;

-

-   /**

-    * \name Non-normalized unsigned integer formats.

-    */

-   case MESA_FORMAT_RGBA_UINT8:

-      *datatype = GL_UNSIGNED_BYTE;

-      *comps = 4;

-      return;

-   case MESA_FORMAT_RGBA_UINT16:

-      *datatype = GL_UNSIGNED_SHORT;

-      *comps = 4;

-      return;

-   case MESA_FORMAT_RGBA_UINT32:

-      *datatype = GL_UNSIGNED_INT;

-      *comps = 4;

-      return;

-

-   case MESA_FORMAT_COUNT:

-      assert(0);

-      return;

-

-   case MESA_FORMAT_NONE:

-   /* For debug builds, warn if any formats are not handled */

-#ifdef DEBUG

-   default:

-#endif

-      _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",

-                    _mesa_get_format_name(format));

-      *datatype = 0;

-      *comps = 1;

-   }

-}

+/*
+ * Mesa 3-D graphics library
+ * Version:  7.7
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (c) 2008-2009  VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "imports.h"
+#include "formats.h"
+#include "mfeatures.h"
+
+
+/**
+ * Information about texture formats.
+ */
+struct gl_format_info
+{
+   gl_format Name;
+
+   /** text name for debugging */
+   const char *StrName;
+
+   /**
+    * Base format is one of GL_RED, GL_RG, GL_RGB, GL_RGBA, GL_ALPHA,
+    * GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY, GL_YCBCR_MESA,
+    * GL_COLOR_INDEX, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX,
+    * GL_DEPTH_STENCIL, GL_DUDV_ATI.
+    */
+   GLenum BaseFormat;
+
+   /**
+    * Logical data type: one of  GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALED,
+    * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
+    */
+   GLenum DataType;
+
+   GLubyte RedBits;
+   GLubyte GreenBits;
+   GLubyte BlueBits;
+   GLubyte AlphaBits;
+   GLubyte LuminanceBits;
+   GLubyte IntensityBits;
+   GLubyte IndexBits;
+   GLubyte DepthBits;
+   GLubyte StencilBits;
+
+   /**
+    * To describe compressed formats.  If not compressed, Width=Height=1.
+    */
+   GLubyte BlockWidth, BlockHeight;
+   GLubyte BytesPerBlock;
+};
+
+
+/**
+ * Info about each format.
+ * These must be in the same order as the MESA_FORMAT_* enums so that
+ * we can do lookups without searching.
+ */
+static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
+{
+   {
+      MESA_FORMAT_NONE,            /* Name */
+      "MESA_FORMAT_NONE",          /* StrName */
+      GL_NONE,                     /* BaseFormat */
+      GL_NONE,                     /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      0, 0, 0                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_RGBA8888,        /* Name */
+      "MESA_FORMAT_RGBA8888",      /* StrName */
+      GL_RGBA,                     /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      8, 8, 8, 8,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_RGBA8888_REV,    /* Name */
+      "MESA_FORMAT_RGBA8888_REV",  /* StrName */
+      GL_RGBA,                     /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      8, 8, 8, 8,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_ARGB8888,        /* Name */
+      "MESA_FORMAT_ARGB8888",      /* StrName */
+      GL_RGBA,                     /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      8, 8, 8, 8,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_ARGB8888_REV,    /* Name */
+      "MESA_FORMAT_ARGB8888_REV",  /* StrName */
+      GL_RGBA,                     /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      8, 8, 8, 8,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_XRGB8888,        /* Name */
+      "MESA_FORMAT_XRGB8888",      /* StrName */
+      GL_RGB,                      /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      8, 8, 8, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_XRGB8888_REV,    /* Name */
+      "MESA_FORMAT_XRGB8888_REV",  /* StrName */
+      GL_RGB,                      /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      8, 8, 8, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_RGB888,          /* Name */
+      "MESA_FORMAT_RGB888",        /* StrName */
+      GL_RGB,                      /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      8, 8, 8, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 3                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_BGR888,          /* Name */
+      "MESA_FORMAT_BGR888",        /* StrName */
+      GL_RGB,                      /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      8, 8, 8, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 3                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_RGB565,          /* Name */
+      "MESA_FORMAT_RGB565",        /* StrName */
+      GL_RGB,                      /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      5, 6, 5, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_RGB565_REV,      /* Name */
+      "MESA_FORMAT_RGB565_REV",    /* StrName */
+      GL_RGB,                      /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      5, 6, 5, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_ARGB4444,        /* Name */
+      "MESA_FORMAT_ARGB4444",      /* StrName */
+      GL_RGBA,                     /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      4, 4, 4, 4,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_ARGB4444_REV,    /* Name */
+      "MESA_FORMAT_ARGB4444_REV",  /* StrName */
+      GL_RGBA,                     /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      4, 4, 4, 4,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_RGBA5551,        /* Name */
+      "MESA_FORMAT_RGBA5551",      /* StrName */
+      GL_RGBA,                     /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      5, 5, 5, 1,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_ARGB1555,        /* Name */
+      "MESA_FORMAT_ARGB1555",      /* StrName */
+      GL_RGBA,                     /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      5, 5, 5, 1,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_ARGB1555_REV,    /* Name */
+      "MESA_FORMAT_ARGB1555_REV",  /* StrName */
+      GL_RGBA,                     /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      5, 5, 5, 1,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_AL44,            /* Name */
+      "MESA_FORMAT_AL44",          /* StrName */
+      GL_LUMINANCE_ALPHA,          /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 4,                  /* Red/Green/Blue/AlphaBits */
+      4, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 1                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_AL88,            /* Name */
+      "MESA_FORMAT_AL88",          /* StrName */
+      GL_LUMINANCE_ALPHA,          /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 8,                  /* Red/Green/Blue/AlphaBits */
+      8, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_AL88_REV,        /* Name */
+      "MESA_FORMAT_AL88_REV",      /* StrName */
+      GL_LUMINANCE_ALPHA,          /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 8,                  /* Red/Green/Blue/AlphaBits */
+      8, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_AL1616,          /* Name */
+      "MESA_FORMAT_AL1616",        /* StrName */
+      GL_LUMINANCE_ALPHA,          /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 16,                 /* Red/Green/Blue/AlphaBits */
+      16, 0, 0, 0, 0,              /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_AL1616_REV,      /* Name */
+      "MESA_FORMAT_AL1616_REV",    /* StrName */
+      GL_LUMINANCE_ALPHA,          /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 16,                 /* Red/Green/Blue/AlphaBits */
+      16, 0, 0, 0, 0,              /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_RGB332,          /* Name */
+      "MESA_FORMAT_RGB332",        /* StrName */
+      GL_RGB,                      /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      3, 3, 2, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 1                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_A8,              /* Name */
+      "MESA_FORMAT_A8",            /* StrName */
+      GL_ALPHA,                    /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 8,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 1                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_A16,             /* Name */
+      "MESA_FORMAT_A16",           /* StrName */
+      GL_ALPHA,                    /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 16,                 /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_L8,              /* Name */
+      "MESA_FORMAT_L8",            /* StrName */
+      GL_LUMINANCE,                /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      8, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 1                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_L16,             /* Name */
+      "MESA_FORMAT_L16",           /* StrName */
+      GL_LUMINANCE,                /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      16, 0, 0, 0, 0,              /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_I8,              /* Name */
+      "MESA_FORMAT_I8",            /* StrName */
+      GL_INTENSITY,                /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 8, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 1                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_I16,             /* Name */
+      "MESA_FORMAT_I16",           /* StrName */
+      GL_INTENSITY,                /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 16, 0, 0, 0,              /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_CI8,             /* Name */
+      "MESA_FORMAT_CI8",           /* StrName */
+      GL_COLOR_INDEX,              /* BaseFormat */
+      GL_UNSIGNED_INT,             /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 8, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 1                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_YCBCR,           /* Name */
+      "MESA_FORMAT_YCBCR",         /* StrName */
+      GL_YCBCR_MESA,               /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_YCBCR_REV,       /* Name */
+      "MESA_FORMAT_YCBCR_REV",     /* StrName */
+      GL_YCBCR_MESA,               /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_R8,
+      "MESA_FORMAT_R8",
+      GL_RED,
+      GL_UNSIGNED_NORMALIZED,
+      8, 0, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 1
+   },
+   {
+      MESA_FORMAT_RG88,
+      "MESA_FORMAT_RG88",
+      GL_RG,
+      GL_UNSIGNED_NORMALIZED,
+      8, 8, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_RG88_REV,
+      "MESA_FORMAT_RG88_REV",
+      GL_RG,
+      GL_UNSIGNED_NORMALIZED,
+      8, 8, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_R16,
+      "MESA_FORMAT_R16",
+      GL_RED,
+      GL_UNSIGNED_NORMALIZED,
+      16, 0, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_RG1616,
+      "MESA_FORMAT_RG1616",
+      GL_RG,
+      GL_UNSIGNED_NORMALIZED,
+      16, 16, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_RG1616_REV,
+      "MESA_FORMAT_RG1616_REV",
+      GL_RG,
+      GL_UNSIGNED_NORMALIZED,
+      16, 16, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_ARGB2101010,
+      "MESA_FORMAT_ARGB2101010",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,
+      10, 10, 10, 2,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_Z24_S8,          /* Name */
+      "MESA_FORMAT_Z24_S8",        /* StrName */
+      GL_DEPTH_STENCIL,            /* BaseFormat */
+      GL_UNSIGNED_INT,             /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 24, 8,              /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_S8_Z24,          /* Name */
+      "MESA_FORMAT_S8_Z24",        /* StrName */
+      GL_DEPTH_STENCIL,            /* BaseFormat */
+      GL_UNSIGNED_INT,             /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 24, 8,              /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_Z16,             /* Name */
+      "MESA_FORMAT_Z16",           /* StrName */
+      GL_DEPTH_COMPONENT,          /* BaseFormat */
+      GL_UNSIGNED_INT,             /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 16, 0,              /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 2                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_X8_Z24,          /* Name */
+      "MESA_FORMAT_X8_Z24",        /* StrName */
+      GL_DEPTH_COMPONENT,          /* BaseFormat */
+      GL_UNSIGNED_INT,             /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 24, 0,              /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_Z24_X8,          /* Name */
+      "MESA_FORMAT_Z24_X8",        /* StrName */
+      GL_DEPTH_COMPONENT,          /* BaseFormat */
+      GL_UNSIGNED_INT,             /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 24, 0,              /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_Z32,             /* Name */
+      "MESA_FORMAT_Z32",           /* StrName */
+      GL_DEPTH_COMPONENT,          /* BaseFormat */
+      GL_UNSIGNED_INT,             /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 32, 0,              /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 4                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_S8,              /* Name */
+      "MESA_FORMAT_S8",            /* StrName */
+      GL_STENCIL_INDEX,            /* BaseFormat */
+      GL_UNSIGNED_INT,             /* DataType */
+      0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 8,               /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 1                      /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_SRGB8,
+      "MESA_FORMAT_SRGB8",
+      GL_RGB,
+      GL_UNSIGNED_NORMALIZED,
+      8, 8, 8, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 3
+   },
+   {
+      MESA_FORMAT_SRGBA8,
+      "MESA_FORMAT_SRGBA8",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,    
+      8, 8, 8, 8,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_SARGB8,
+      "MESA_FORMAT_SARGB8",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,    
+      8, 8, 8, 8,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_SL8,
+      "MESA_FORMAT_SL8",
+      GL_LUMINANCE,
+      GL_UNSIGNED_NORMALIZED,    
+      0, 0, 0, 0,
+      8, 0, 0, 0, 0,
+      1, 1, 1
+   },
+   {
+      MESA_FORMAT_SLA8,
+      "MESA_FORMAT_SLA8",
+      GL_LUMINANCE_ALPHA,
+      GL_UNSIGNED_NORMALIZED,    
+      0, 0, 0, 8,
+      8, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_SRGB_DXT1,       /* Name */
+      "MESA_FORMAT_SRGB_DXT1",     /* StrName */
+      GL_RGB,                      /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      4, 4, 4, 0,                  /* approx Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      4, 4, 8                      /* 8 bytes per 4x4 block */
+   },
+   {
+      MESA_FORMAT_SRGBA_DXT1,
+      "MESA_FORMAT_SRGBA_DXT1",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,
+      4, 4, 4, 4,
+      0, 0, 0, 0, 0,
+      4, 4, 8                      /* 8 bytes per 4x4 block */
+   },
+   {
+      MESA_FORMAT_SRGBA_DXT3,
+      "MESA_FORMAT_SRGBA_DXT3",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,
+      4, 4, 4, 4,
+      0, 0, 0, 0, 0,
+      4, 4, 16                     /* 16 bytes per 4x4 block */
+   },
+   {
+      MESA_FORMAT_SRGBA_DXT5,
+      "MESA_FORMAT_SRGBA_DXT5",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,
+      4, 4, 4, 4,
+      0, 0, 0, 0, 0,
+      4, 4, 16                     /* 16 bytes per 4x4 block */
+   },
+
+   {
+      MESA_FORMAT_RGB_FXT1,
+      "MESA_FORMAT_RGB_FXT1",
+      GL_RGB,
+      GL_UNSIGNED_NORMALIZED,
+      4, 4, 4, 0,                  /* approx Red/Green/BlueBits */
+      0, 0, 0, 0, 0,
+      8, 4, 16                     /* 16 bytes per 8x4 block */
+   },
+   {
+      MESA_FORMAT_RGBA_FXT1,
+      "MESA_FORMAT_RGBA_FXT1",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,
+      4, 4, 4, 1,                  /* approx Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,
+      8, 4, 16                     /* 16 bytes per 8x4 block */
+   },
+
+   {
+      MESA_FORMAT_RGB_DXT1,        /* Name */
+      "MESA_FORMAT_RGB_DXT1",      /* StrName */
+      GL_RGB,                      /* BaseFormat */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
+      4, 4, 4, 0,                  /* approx Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
+      4, 4, 8                      /* 8 bytes per 4x4 block */
+   },
+   {
+      MESA_FORMAT_RGBA_DXT1,
+      "MESA_FORMAT_RGBA_DXT1",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,    
+      4, 4, 4, 4,
+      0, 0, 0, 0, 0,
+      4, 4, 8                      /* 8 bytes per 4x4 block */
+   },
+   {
+      MESA_FORMAT_RGBA_DXT3,
+      "MESA_FORMAT_RGBA_DXT3",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,    
+      4, 4, 4, 4,
+      0, 0, 0, 0, 0,
+      4, 4, 16                     /* 16 bytes per 4x4 block */
+   },
+   {
+      MESA_FORMAT_RGBA_DXT5,
+      "MESA_FORMAT_RGBA_DXT5",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,    
+      4, 4, 4, 4,
+      0, 0, 0, 0, 0,
+      4, 4, 16                     /* 16 bytes per 4x4 block */
+   },
+   {
+      MESA_FORMAT_RGBA_FLOAT32,
+      "MESA_FORMAT_RGBA_FLOAT32",
+      GL_RGBA,
+      GL_FLOAT,
+      32, 32, 32, 32,
+      0, 0, 0, 0, 0,
+      1, 1, 16
+   },
+   {
+      MESA_FORMAT_RGBA_FLOAT16,
+      "MESA_FORMAT_RGBA_FLOAT16",
+      GL_RGBA,
+      GL_FLOAT,
+      16, 16, 16, 16,
+      0, 0, 0, 0, 0,
+      1, 1, 8
+   },
+   {
+      MESA_FORMAT_RGB_FLOAT32,
+      "MESA_FORMAT_RGB_FLOAT32",
+      GL_RGB,
+      GL_FLOAT,
+      32, 32, 32, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 12
+   },
+   {
+      MESA_FORMAT_RGB_FLOAT16,
+      "MESA_FORMAT_RGB_FLOAT16",
+      GL_RGB,
+      GL_FLOAT,
+      16, 16, 16, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 6
+   },
+   {
+      MESA_FORMAT_ALPHA_FLOAT32,
+      "MESA_FORMAT_ALPHA_FLOAT32",
+      GL_ALPHA,
+      GL_FLOAT,
+      0, 0, 0, 32,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_ALPHA_FLOAT16,
+      "MESA_FORMAT_ALPHA_FLOAT16",
+      GL_ALPHA,
+      GL_FLOAT,
+      0, 0, 0, 16,
+      0, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_LUMINANCE_FLOAT32,
+      "MESA_FORMAT_LUMINANCE_FLOAT32",
+      GL_ALPHA,
+      GL_FLOAT,
+      0, 0, 0, 0,
+      32, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_LUMINANCE_FLOAT16,
+      "MESA_FORMAT_LUMINANCE_FLOAT16",
+      GL_ALPHA,
+      GL_FLOAT,
+      0, 0, 0, 0,
+      16, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
+      "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32",
+      GL_LUMINANCE_ALPHA,
+      GL_FLOAT,
+      0, 0, 0, 32,
+      32, 0, 0, 0, 0,
+      1, 1, 8
+   },
+   {
+      MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
+      "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16",
+      GL_LUMINANCE_ALPHA,
+      GL_FLOAT,
+      0, 0, 0, 16,
+      16, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_INTENSITY_FLOAT32,
+      "MESA_FORMAT_INTENSITY_FLOAT32",
+      GL_INTENSITY,
+      GL_FLOAT,
+      0, 0, 0, 0,
+      0, 32, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_INTENSITY_FLOAT16,
+      "MESA_FORMAT_INTENSITY_FLOAT16",
+      GL_INTENSITY,
+      GL_FLOAT,
+      0, 0, 0, 0,
+      0, 16, 0, 0, 0,
+      1, 1, 2
+   },
+
+   /* unnormalized signed int formats */
+   {
+      MESA_FORMAT_RGBA_INT8,
+      "MESA_FORMAT_RGBA_INT8",
+      GL_RGBA,
+      GL_INT,
+      8, 8, 8, 8,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_RGBA_INT16,
+      "MESA_FORMAT_RGBA_INT16",
+      GL_RGBA,
+      GL_INT,
+      16, 16, 16, 16,
+      0, 0, 0, 0, 0,
+      1, 1, 8
+   },
+   {
+      MESA_FORMAT_RGBA_INT32,
+      "MESA_FORMAT_RGBA_INT32",
+      GL_RGBA,
+      GL_INT,
+      32, 32, 32, 32,
+      0, 0, 0, 0, 0,
+      1, 1, 16
+   },
+
+   /* unnormalized unsigned int formats */
+   {
+      MESA_FORMAT_RGBA_UINT8,
+      "MESA_FORMAT_RGBA_UINT8",
+      GL_RGBA,
+      GL_UNSIGNED_INT,
+      8, 8, 8, 8,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_RGBA_UINT16,
+      "MESA_FORMAT_RGBA_UINT16",
+      GL_RGBA,
+      GL_UNSIGNED_INT,
+      16, 16, 16, 16,
+      0, 0, 0, 0, 0,
+      1, 1, 8
+   },
+   {
+      MESA_FORMAT_RGBA_UINT32,
+      "MESA_FORMAT_RGBA_UINT32",
+      GL_RGBA,
+      GL_UNSIGNED_INT,
+      32, 32, 32, 32,
+      0, 0, 0, 0, 0,
+      1, 1, 16
+   },
+
+
+   {
+      MESA_FORMAT_DUDV8,
+      "MESA_FORMAT_DUDV8",
+      GL_DUDV_ATI,
+      GL_SIGNED_NORMALIZED,
+      0, 0, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 2
+   },
+
+   /* Signed 8 bits / channel */
+   {
+      MESA_FORMAT_SIGNED_R8,        /* Name */
+      "MESA_FORMAT_SIGNED_R8",      /* StrName */
+      GL_RED,                       /* BaseFormat */
+      GL_SIGNED_NORMALIZED,         /* DataType */
+      8, 0, 0, 0,                   /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,                /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 1                       /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_SIGNED_RG88,
+      "MESA_FORMAT_SIGNED_RG88",
+      GL_RG,
+      GL_SIGNED_NORMALIZED,
+      8, 8, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBX8888,
+      "MESA_FORMAT_SIGNED_RGBX8888",
+      GL_RGB,
+      GL_SIGNED_NORMALIZED,
+      8, 8, 8, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 4                       /* 4 bpp, but no alpha */
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBA8888,
+      "MESA_FORMAT_SIGNED_RGBA8888",
+      GL_RGBA,
+      GL_SIGNED_NORMALIZED,
+      8, 8, 8, 8,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBA8888_REV,
+      "MESA_FORMAT_SIGNED_RGBA8888_REV",
+      GL_RGBA,
+      GL_SIGNED_NORMALIZED,
+      8, 8, 8, 8,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+
+   /* Signed 16 bits / channel */
+   {
+      MESA_FORMAT_SIGNED_R_16,
+      "MESA_FORMAT_SIGNED_R_16",
+      GL_RED,
+      GL_SIGNED_NORMALIZED,
+      16, 0, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_SIGNED_RG_16,
+      "MESA_FORMAT_SIGNED_RG_16",
+      GL_RG,
+      GL_SIGNED_NORMALIZED,
+      16, 16, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_SIGNED_RGB_16,
+      "MESA_FORMAT_SIGNED_RGB_16",
+      GL_RGB,
+      GL_SIGNED_NORMALIZED,
+      16, 16, 16, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 6
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBA_16,
+      "MESA_FORMAT_SIGNED_RGBA_16",
+      GL_RGBA,
+      GL_SIGNED_NORMALIZED,
+      16, 16, 16, 16,
+      0, 0, 0, 0, 0,
+      1, 1, 8
+   },
+   {
+      MESA_FORMAT_RGBA_16,
+      "MESA_FORMAT_RGBA_16",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,
+      16, 16, 16, 16,
+      0, 0, 0, 0, 0,
+      1, 1, 8
+   },
+   {
+     MESA_FORMAT_RED_RGTC1,
+     "MESA_FORMAT_RED_RGTC1",
+     GL_RED,
+     GL_UNSIGNED_NORMALIZED,
+     4, 0, 0, 0,
+     0, 0, 0, 0, 0,
+     4, 4, 8                     /* 8 bytes per 4x4 block */
+   },
+   {
+     MESA_FORMAT_SIGNED_RED_RGTC1,
+     "MESA_FORMAT_SIGNED_RED_RGTC1",
+     GL_RED,
+     GL_SIGNED_NORMALIZED,
+     4, 0, 0, 0,
+     0, 0, 0, 0, 0,
+     4, 4, 8                     /* 8 bytes per 4x4 block */
+   },
+   {
+     MESA_FORMAT_RG_RGTC2,
+     "MESA_FORMAT_RG_RGTC2",
+     GL_RG,
+     GL_UNSIGNED_NORMALIZED,
+     4, 4, 0, 0,
+     0, 0, 0, 0, 0,
+     4, 4, 16                     /* 16 bytes per 4x4 block */
+   },
+   {
+     MESA_FORMAT_SIGNED_RG_RGTC2,
+     "MESA_FORMAT_SIGNED_RG_RGTC2",
+     GL_RG,
+     GL_SIGNED_NORMALIZED,
+     4, 4, 0, 0,
+     0, 0, 0, 0, 0,
+     4, 4, 16                     /* 16 bytes per 4x4 block */
+   },
+};
+
+
+
+static const struct gl_format_info *
+_mesa_get_format_info(gl_format format)
+{
+   const struct gl_format_info *info = &format_info[format];
+   assert(info->Name == format);
+   return info;
+}
+
+
+/** Return string name of format (for debugging) */
+const char *
+_mesa_get_format_name(gl_format format)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   return info->StrName;
+}
+
+
+
+/**
+ * Return bytes needed to store a block of pixels in the given format.
+ * Normally, a block is 1x1 (a single pixel).  But for compressed formats
+ * a block may be 4x4 or 8x4, etc.
+ */
+GLuint
+_mesa_get_format_bytes(gl_format format)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   ASSERT(info->BytesPerBlock);
+   return info->BytesPerBlock;
+}
+
+
+/**
+ * Return bits per component for the given format.
+ * \param format  one of MESA_FORMAT_x
+ * \param pname  the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
+ */
+GLint
+_mesa_get_format_bits(gl_format format, GLenum pname)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+
+   switch (pname) {
+   case GL_RED_BITS:
+   case GL_TEXTURE_RED_SIZE:
+   case GL_RENDERBUFFER_RED_SIZE_EXT:
+   case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+      return info->RedBits;
+   case GL_GREEN_BITS:
+   case GL_TEXTURE_GREEN_SIZE:
+   case GL_RENDERBUFFER_GREEN_SIZE_EXT:
+   case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+      return info->GreenBits;
+   case GL_BLUE_BITS:
+   case GL_TEXTURE_BLUE_SIZE:
+   case GL_RENDERBUFFER_BLUE_SIZE_EXT:
+   case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+      return info->BlueBits;
+   case GL_ALPHA_BITS:
+   case GL_TEXTURE_ALPHA_SIZE:
+   case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
+   case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+      return info->AlphaBits;
+   case GL_TEXTURE_INTENSITY_SIZE:
+      return info->IntensityBits;
+   case GL_TEXTURE_LUMINANCE_SIZE:
+      return info->LuminanceBits;
+   case GL_INDEX_BITS:
+   case GL_TEXTURE_INDEX_SIZE_EXT:
+      return info->IndexBits;
+   case GL_DEPTH_BITS:
+   case GL_TEXTURE_DEPTH_SIZE_ARB:
+   case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
+   case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+      return info->DepthBits;
+   case GL_STENCIL_BITS:
+   case GL_TEXTURE_STENCIL_SIZE_EXT:
+   case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
+   case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+      return info->StencilBits;
+   default:
+      _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");
+      return 0;
+   }
+}
+
+
+/**
+ * Return the data type (or more specifically, the data representation)
+ * for the given format.
+ * The return value will be one of:
+ *    GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
+ *    GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
+ *    GL_UNSIGNED_INT = an ordinary unsigned integer
+ *    GL_INT = an ordinary signed integer
+ *    GL_FLOAT = an ordinary float
+ */
+GLenum
+_mesa_get_format_datatype(gl_format format)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   return info->DataType;
+}
+
+
+/**
+ * Return the basic format for the given type.  The result will be
+ * one of GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA,
+ * GL_INTENSITY, GL_YCBCR_MESA, GL_COLOR_INDEX, GL_DEPTH_COMPONENT,
+ * GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
+ */
+GLenum
+_mesa_get_format_base_format(gl_format format)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   return info->BaseFormat;
+}
+
+
+/**
+ * Return the block size (in pixels) for the given format.  Normally
+ * the block size is 1x1.  But compressed formats will have block sizes
+ * of 4x4 or 8x4 pixels, etc.
+ * \param bw  returns block width in pixels
+ * \param bh  returns block height in pixels
+ */
+void
+_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   *bw = info->BlockWidth;
+   *bh = info->BlockHeight;
+}
+
+
+/** Is the given format a compressed format? */
+GLboolean
+_mesa_is_format_compressed(gl_format format)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   return info->BlockWidth > 1 || info->BlockHeight > 1;
+}
+
+
+/**
+ * Determine if the given format represents a packed depth/stencil buffer.
+ */
+GLboolean
+_mesa_is_format_packed_depth_stencil(gl_format format)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+
+   return info->BaseFormat == GL_DEPTH_STENCIL;
+}
+
+
+/**
+ * Is the given format a signed/unsigned integer color format?
+ */
+GLboolean
+_mesa_is_format_integer_color(gl_format format)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&
+      info->BaseFormat != GL_DEPTH_COMPONENT &&
+      info->BaseFormat != GL_DEPTH_STENCIL &&
+      info->BaseFormat != GL_STENCIL_INDEX;
+}
+
+
+/**
+ * Return color encoding for given format.
+ * \return GL_LINEAR or GL_SRGB
+ */
+GLenum
+_mesa_get_format_color_encoding(gl_format format)
+{
+   /* XXX this info should be encoded in gl_format_info */
+   switch (format) {
+   case MESA_FORMAT_SRGB8:
+   case MESA_FORMAT_SRGBA8:
+   case MESA_FORMAT_SARGB8:
+   case MESA_FORMAT_SL8:
+   case MESA_FORMAT_SLA8:
+   case MESA_FORMAT_SRGB_DXT1:
+   case MESA_FORMAT_SRGBA_DXT1:
+   case MESA_FORMAT_SRGBA_DXT3:
+   case MESA_FORMAT_SRGBA_DXT5:
+      return GL_SRGB;
+   default:
+      return GL_LINEAR;
+   }
+}
+
+
+/**
+ * For an sRGB format, return the corresponding linear color space format.
+ * For non-sRGB formats, return the format as-is.
+ */
+gl_format
+_mesa_get_srgb_format_linear(gl_format format)
+{
+   switch (format) {
+   case MESA_FORMAT_SRGB8:
+      format = MESA_FORMAT_RGB888;
+      break;
+   case MESA_FORMAT_SRGBA8:
+      format = MESA_FORMAT_RGBA8888;
+      break;
+   case MESA_FORMAT_SARGB8:
+      format = MESA_FORMAT_ARGB8888;
+      break;
+   case MESA_FORMAT_SL8:
+      format = MESA_FORMAT_L8;
+      break;
+   case MESA_FORMAT_SLA8:
+      format = MESA_FORMAT_AL88;
+      break;
+   case MESA_FORMAT_SRGB_DXT1:
+      format = MESA_FORMAT_RGB_DXT1;
+      break;
+   case MESA_FORMAT_SRGBA_DXT1:
+      format = MESA_FORMAT_RGBA_DXT1;
+      break;
+   case MESA_FORMAT_SRGBA_DXT3:
+      format = MESA_FORMAT_RGBA_DXT3;
+      break;
+   case MESA_FORMAT_SRGBA_DXT5:
+      format = MESA_FORMAT_RGBA_DXT5;
+      break;
+   default:
+      break;
+   }
+   return format;
+}
+
+
+/**
+ * Return number of bytes needed to store an image of the given size
+ * in the given format.
+ */
+GLuint
+_mesa_format_image_size(gl_format format, GLsizei width,
+                        GLsizei height, GLsizei depth)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   /* Strictly speaking, a conditional isn't needed here */
+   if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+      /* compressed format (2D only for now) */
+      const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
+      const GLuint wblocks = (width + bw - 1) / bw;
+      const GLuint hblocks = (height + bh - 1) / bh;
+      const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
+      assert(depth == 1);
+      return sz;
+   }
+   else {
+      /* non-compressed */
+      const GLuint sz = width * height * depth * info->BytesPerBlock;
+      return sz;
+   }
+}
+
+
+/**
+ * Same as _mesa_format_image_size() but returns a 64-bit value to
+ * accomodate very large textures.
+ */
+uint64_t
+_mesa_format_image_size64(gl_format format, GLsizei width,
+                          GLsizei height, GLsizei depth)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   /* Strictly speaking, a conditional isn't needed here */
+   if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+      /* compressed format (2D only for now) */
+      const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;
+      const uint64_t wblocks = (width + bw - 1) / bw;
+      const uint64_t hblocks = (height + bh - 1) / bh;
+      const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;
+      assert(depth == 1);
+      return sz;
+   }
+   else {
+      /* non-compressed */
+      const uint64_t sz = ((uint64_t) width *
+                           (uint64_t) height *
+                           (uint64_t) depth *
+                           info->BytesPerBlock);
+      return sz;
+   }
+}
+
+
+
+GLint
+_mesa_format_row_stride(gl_format format, GLsizei width)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   /* Strictly speaking, a conditional isn't needed here */
+   if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+      /* compressed format */
+      const GLuint bw = info->BlockWidth;
+      const GLuint wblocks = (width + bw - 1) / bw;
+      const GLint stride = wblocks * info->BytesPerBlock;
+      return stride;
+   }
+   else {
+      const GLint stride = width * info->BytesPerBlock;
+      return stride;
+   }
+}
+
+
+/**
+ * Debug/test: check that all formats are handled in the
+ * _mesa_format_to_type_and_comps() function.  When new pixel formats
+ * are added to Mesa, that function needs to be updated.
+ * This is a no-op after the first call.
+ */
+static void
+check_format_to_type_and_comps(void)
+{
+   gl_format f;
+
+   for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {
+      GLenum datatype = 0;
+      GLuint comps = 0;
+      /* This function will emit a problem/warning if the format is
+       * not handled.
+       */
+      _mesa_format_to_type_and_comps(f, &datatype, &comps);
+   }
+}
+
+
+/**
+ * Do sanity checking of the format info table.
+ */
+void
+_mesa_test_formats(void)
+{
+   GLuint i;
+
+   assert(Elements(format_info) == MESA_FORMAT_COUNT);
+
+   for (i = 0; i < MESA_FORMAT_COUNT; i++) {
+      const struct gl_format_info *info = _mesa_get_format_info(i);
+      assert(info);
+
+      assert(info->Name == i);
+
+      if (info->Name == MESA_FORMAT_NONE)
+         continue;
+
+      if (info->BlockWidth == 1 && info->BlockHeight == 1) {
+         if (info->RedBits > 0) {
+            GLuint t = info->RedBits + info->GreenBits
+               + info->BlueBits + info->AlphaBits;
+            assert(t / 8 <= info->BytesPerBlock);
+            (void) t;
+         }
+      }
+
+      assert(info->DataType == GL_UNSIGNED_NORMALIZED ||
+             info->DataType == GL_SIGNED_NORMALIZED ||
+             info->DataType == GL_UNSIGNED_INT ||
+             info->DataType == GL_INT ||
+             info->DataType == GL_FLOAT);
+
+      if (info->BaseFormat == GL_RGB) {
+         assert(info->RedBits > 0);
+         assert(info->GreenBits > 0);
+         assert(info->BlueBits > 0);
+         assert(info->AlphaBits == 0);
+         assert(info->LuminanceBits == 0);
+         assert(info->IntensityBits == 0);
+      }
+      else if (info->BaseFormat == GL_RGBA) {
+         assert(info->RedBits > 0);
+         assert(info->GreenBits > 0);
+         assert(info->BlueBits > 0);
+         assert(info->AlphaBits > 0);
+         assert(info->LuminanceBits == 0);
+         assert(info->IntensityBits == 0);
+      }
+      else if (info->BaseFormat == GL_RG) {
+         assert(info->RedBits > 0);
+         assert(info->GreenBits > 0);
+         assert(info->BlueBits == 0);
+         assert(info->AlphaBits == 0);
+         assert(info->LuminanceBits == 0);
+         assert(info->IntensityBits == 0);
+      }
+      else if (info->BaseFormat == GL_RED) {
+         assert(info->RedBits > 0);
+         assert(info->GreenBits == 0);
+         assert(info->BlueBits == 0);
+         assert(info->AlphaBits == 0);
+         assert(info->LuminanceBits == 0);
+         assert(info->IntensityBits == 0);
+      }
+      else if (info->BaseFormat == GL_LUMINANCE) {
+         assert(info->RedBits == 0);
+         assert(info->GreenBits == 0);
+         assert(info->BlueBits == 0);
+         assert(info->AlphaBits == 0);
+         assert(info->LuminanceBits > 0);
+         assert(info->IntensityBits == 0);
+      }
+      else if (info->BaseFormat == GL_INTENSITY) {
+         assert(info->RedBits == 0);
+         assert(info->GreenBits == 0);
+         assert(info->BlueBits == 0);
+         assert(info->AlphaBits == 0);
+         assert(info->LuminanceBits == 0);
+         assert(info->IntensityBits > 0);
+      }
+   }
+
+   check_format_to_type_and_comps();
+}
+
+
+
+/**
+ * Return datatype and number of components per texel for the given gl_format.
+ * Only used for mipmap generation code.
+ */
+void
+_mesa_format_to_type_and_comps(gl_format format,
+                               GLenum *datatype, GLuint *comps)
+{
+   switch (format) {
+   case MESA_FORMAT_RGBA8888:
+   case MESA_FORMAT_RGBA8888_REV:
+   case MESA_FORMAT_ARGB8888:
+   case MESA_FORMAT_ARGB8888_REV:
+   case MESA_FORMAT_XRGB8888:
+   case MESA_FORMAT_XRGB8888_REV:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGB888:
+   case MESA_FORMAT_BGR888:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 3;
+      return;
+   case MESA_FORMAT_RGB565:
+   case MESA_FORMAT_RGB565_REV:
+      *datatype = GL_UNSIGNED_SHORT_5_6_5;
+      *comps = 3;
+      return;
+
+   case MESA_FORMAT_ARGB4444:
+   case MESA_FORMAT_ARGB4444_REV:
+      *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
+      *comps = 4;
+      return;
+
+   case MESA_FORMAT_ARGB1555:
+   case MESA_FORMAT_ARGB1555_REV:
+      *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
+      *comps = 4;
+      return;
+
+   case MESA_FORMAT_ARGB2101010:
+      *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
+      *comps = 4;
+      return;
+
+   case MESA_FORMAT_RGBA5551:
+      *datatype = GL_UNSIGNED_SHORT_5_5_5_1;
+      *comps = 4;
+      return;
+
+   case MESA_FORMAT_AL44:
+      *datatype = MESA_UNSIGNED_BYTE_4_4;
+      *comps = 2;
+      return;
+
+   case MESA_FORMAT_AL88:
+   case MESA_FORMAT_AL88_REV:
+   case MESA_FORMAT_RG88:
+   case MESA_FORMAT_RG88_REV:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 2;
+      return;
+
+   case MESA_FORMAT_AL1616:
+   case MESA_FORMAT_AL1616_REV:
+   case MESA_FORMAT_RG1616:
+   case MESA_FORMAT_RG1616_REV:
+      *datatype = GL_UNSIGNED_SHORT;
+      *comps = 2;
+      return;
+
+   case MESA_FORMAT_R16:
+   case MESA_FORMAT_A16:
+   case MESA_FORMAT_L16:
+   case MESA_FORMAT_I16:
+      *datatype = GL_UNSIGNED_SHORT;
+      *comps = 1;
+      return;
+
+   case MESA_FORMAT_RGB332:
+      *datatype = GL_UNSIGNED_BYTE_3_3_2;
+      *comps = 3;
+      return;
+
+   case MESA_FORMAT_A8:
+   case MESA_FORMAT_L8:
+   case MESA_FORMAT_I8:
+   case MESA_FORMAT_CI8:
+   case MESA_FORMAT_R8:
+   case MESA_FORMAT_S8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 1;
+      return;
+
+   case MESA_FORMAT_YCBCR:
+   case MESA_FORMAT_YCBCR_REV:
+      *datatype = GL_UNSIGNED_SHORT;
+      *comps = 2;
+      return;
+
+   case MESA_FORMAT_Z24_S8:
+      *datatype = GL_UNSIGNED_INT;
+      *comps = 1; /* XXX OK? */
+      return;
+
+   case MESA_FORMAT_S8_Z24:
+      *datatype = GL_UNSIGNED_INT;
+      *comps = 1; /* XXX OK? */
+      return;
+
+   case MESA_FORMAT_Z16:
+      *datatype = GL_UNSIGNED_SHORT;
+      *comps = 1;
+      return;
+
+   case MESA_FORMAT_X8_Z24:
+      *datatype = GL_UNSIGNED_INT;
+      *comps = 1;
+      return;
+
+   case MESA_FORMAT_Z24_X8:
+      *datatype = GL_UNSIGNED_INT;
+      *comps = 1;
+      return;
+
+   case MESA_FORMAT_Z32:
+      *datatype = GL_UNSIGNED_INT;
+      *comps = 1;
+      return;
+
+   case MESA_FORMAT_DUDV8:
+      *datatype = GL_BYTE;
+      *comps = 2;
+      return;
+
+   case MESA_FORMAT_SIGNED_R8:
+      *datatype = GL_BYTE;
+      *comps = 1;
+      return;
+   case MESA_FORMAT_SIGNED_RG88:
+      *datatype = GL_BYTE;
+      *comps = 2;
+      return;
+   case MESA_FORMAT_SIGNED_RGBA8888:
+   case MESA_FORMAT_SIGNED_RGBA8888_REV:
+   case MESA_FORMAT_SIGNED_RGBX8888:
+      *datatype = GL_BYTE;
+      *comps = 4;
+      return;
+
+   case MESA_FORMAT_RGBA_16:
+      *datatype = GL_UNSIGNED_SHORT;
+      *comps = 4;
+      return;
+
+   case MESA_FORMAT_SIGNED_R_16:
+      *datatype = GL_SHORT;
+      *comps = 1;
+      return;
+   case MESA_FORMAT_SIGNED_RG_16:
+      *datatype = GL_SHORT;
+      *comps = 2;
+      return;
+   case MESA_FORMAT_SIGNED_RGB_16:
+      *datatype = GL_SHORT;
+      *comps = 3;
+      return;
+   case MESA_FORMAT_SIGNED_RGBA_16:
+      *datatype = GL_SHORT;
+      *comps = 4;
+      return;
+
+#if FEATURE_EXT_texture_sRGB
+   case MESA_FORMAT_SRGB8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 3;
+      return;
+   case MESA_FORMAT_SRGBA8:
+   case MESA_FORMAT_SARGB8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_SL8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 1;
+      return;
+   case MESA_FORMAT_SLA8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 2;
+      return;
+#endif
+
+#if FEATURE_texture_fxt1
+   case MESA_FORMAT_RGB_FXT1:
+   case MESA_FORMAT_RGBA_FXT1:
+#endif
+#if FEATURE_texture_s3tc
+   case MESA_FORMAT_RGB_DXT1:
+   case MESA_FORMAT_RGBA_DXT1:
+   case MESA_FORMAT_RGBA_DXT3:
+   case MESA_FORMAT_RGBA_DXT5:
+#if FEATURE_EXT_texture_sRGB
+   case MESA_FORMAT_SRGB_DXT1:
+   case MESA_FORMAT_SRGBA_DXT1:
+   case MESA_FORMAT_SRGBA_DXT3:
+   case MESA_FORMAT_SRGBA_DXT5:
+#endif
+#endif
+   case MESA_FORMAT_RED_RGTC1:
+   case MESA_FORMAT_SIGNED_RED_RGTC1:
+   case MESA_FORMAT_RG_RGTC2:
+   case MESA_FORMAT_SIGNED_RG_RGTC2:
+      /* XXX generate error instead? */
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 0;
+      return;
+
+   case MESA_FORMAT_RGBA_FLOAT32:
+      *datatype = GL_FLOAT;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_FLOAT16:
+      *datatype = GL_HALF_FLOAT_ARB;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGB_FLOAT32:
+      *datatype = GL_FLOAT;
+      *comps = 3;
+      return;
+   case MESA_FORMAT_RGB_FLOAT16:
+      *datatype = GL_HALF_FLOAT_ARB;
+      *comps = 3;
+      return;
+   case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
+      *datatype = GL_FLOAT;
+      *comps = 2;
+      return;
+   case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
+      *datatype = GL_HALF_FLOAT_ARB;
+      *comps = 2;
+      return;
+   case MESA_FORMAT_ALPHA_FLOAT32:
+   case MESA_FORMAT_LUMINANCE_FLOAT32:
+   case MESA_FORMAT_INTENSITY_FLOAT32:
+      *datatype = GL_FLOAT;
+      *comps = 1;
+      return;
+   case MESA_FORMAT_ALPHA_FLOAT16:
+   case MESA_FORMAT_LUMINANCE_FLOAT16:
+   case MESA_FORMAT_INTENSITY_FLOAT16:
+      *datatype = GL_HALF_FLOAT_ARB;
+      *comps = 1;
+      return;
+
+   case MESA_FORMAT_RGBA_INT8:
+      *datatype = GL_BYTE;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_INT16:
+      *datatype = GL_SHORT;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_INT32:
+      *datatype = GL_INT;
+      *comps = 4;
+      return;
+
+   /**
+    * \name Non-normalized unsigned integer formats.
+    */
+   case MESA_FORMAT_RGBA_UINT8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_UINT16:
+      *datatype = GL_UNSIGNED_SHORT;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_UINT32:
+      *datatype = GL_UNSIGNED_INT;
+      *comps = 4;
+      return;
+
+   case MESA_FORMAT_COUNT:
+      assert(0);
+      return;
+
+   case MESA_FORMAT_NONE:
+   /* For debug builds, warn if any formats are not handled */
+#ifdef DEBUG
+   default:
+#endif
+      _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",
+                    _mesa_get_format_name(format));
+      *datatype = 0;
+      *comps = 1;
+   }
+}
diff --git a/mesalib/src/mesa/main/formats.h b/mesalib/src/mesa/main/formats.h
index cd7e0e25e..e21967e2b 100644
--- a/mesalib/src/mesa/main/formats.h
+++ b/mesalib/src/mesa/main/formats.h
@@ -1,237 +1,243 @@
-/*

- * Mesa 3-D graphics library

- * Version:  7.7

- *

- * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.

- * Copyright (c) 2008-2009  VMware, Inc.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included

- * in all copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- */

-

-/*

- * Authors:

- *   Brian Paul

- */

-

-

-#ifndef FORMATS_H

-#define FORMATS_H

-

-

-#include <GL/gl.h>

-

-/* OpenGL doesn't have GL_UNSIGNED_BYTE_4_4, so we must define our own type

- * for GL_LUMINANCE4_ALPHA4. */

-#define MESA_UNSIGNED_BYTE_4_4 (GL_UNSIGNED_BYTE<<1)

-

-

-/**

- * Mesa texture/renderbuffer image formats.

- */

-typedef enum

-{

-   MESA_FORMAT_NONE = 0,

-

-   /** 

-    * \name Basic hardware formats

-    */

-   /*@{*/

-				/* msb <------ TEXEL BITS -----------> lsb */

-				/* ---- ---- ---- ---- ---- ---- ---- ---- */

-   MESA_FORMAT_RGBA8888,	/* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */

-   MESA_FORMAT_RGBA8888_REV,	/* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */

-   MESA_FORMAT_ARGB8888,	/* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */

-   MESA_FORMAT_ARGB8888_REV,	/* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */

-   MESA_FORMAT_XRGB8888,	/* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */

-   MESA_FORMAT_XRGB8888_REV,	/* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */

-   MESA_FORMAT_RGB888,		/*           RRRR RRRR GGGG GGGG BBBB BBBB */

-   MESA_FORMAT_BGR888,		/*           BBBB BBBB GGGG GGGG RRRR RRRR */

-   MESA_FORMAT_RGB565,		/*                     RRRR RGGG GGGB BBBB */

-   MESA_FORMAT_RGB565_REV,	/*                     GGGB BBBB RRRR RGGG */

-   MESA_FORMAT_ARGB4444,	/*                     AAAA RRRR GGGG BBBB */

-   MESA_FORMAT_ARGB4444_REV,	/*                     GGGG BBBB AAAA RRRR */

-   MESA_FORMAT_RGBA5551,        /*                     RRRR RGGG GGBB BBBA */

-   MESA_FORMAT_ARGB1555,	/*                     ARRR RRGG GGGB BBBB */

-   MESA_FORMAT_ARGB1555_REV,	/*                     GGGB BBBB ARRR RRGG */

-   MESA_FORMAT_AL44,		/*                               AAAA LLLL */

-   MESA_FORMAT_AL88,		/*                     AAAA AAAA LLLL LLLL */

-   MESA_FORMAT_AL88_REV,	/*                     LLLL LLLL AAAA AAAA */

-   MESA_FORMAT_AL1616,          /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */

-   MESA_FORMAT_AL1616_REV,      /* LLLL LLLL LLLL LLLL AAAA AAAA AAAA AAAA */

-   MESA_FORMAT_RGB332,		/*                               RRRG GGBB */

-   MESA_FORMAT_A8,		/*                               AAAA AAAA */

-   MESA_FORMAT_A16,             /*                     AAAA AAAA AAAA AAAA */

-   MESA_FORMAT_L8,		/*                               LLLL LLLL */

-   MESA_FORMAT_L16,             /*                     LLLL LLLL LLLL LLLL */

-   MESA_FORMAT_I8,		/*                               IIII IIII */

-   MESA_FORMAT_I16,             /*                     IIII IIII IIII IIII */

-   MESA_FORMAT_CI8,		/*                               CCCC CCCC */

-   MESA_FORMAT_YCBCR,		/*                     YYYY YYYY UorV UorV */

-   MESA_FORMAT_YCBCR_REV,	/*                     UorV UorV YYYY YYYY */

-   MESA_FORMAT_R8,		/*                               RRRR RRRR */

-   MESA_FORMAT_RG88,		/*                     RRRR RRRR GGGG GGGG */

-   MESA_FORMAT_RG88_REV,	/*                     GGGG GGGG RRRR RRRR */

-   MESA_FORMAT_R16,		/*                     RRRR RRRR RRRR RRRR */

-   MESA_FORMAT_RG1616,		/* RRRR RRRR RRRR RRRR GGGG GGGG GGGG GGGG */

-   MESA_FORMAT_RG1616_REV,	/* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */

-   MESA_FORMAT_ARGB2101010,     /* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */

-   MESA_FORMAT_Z24_S8,          /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ SSSS SSSS */

-   MESA_FORMAT_S8_Z24,          /* SSSS SSSS ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */

-   MESA_FORMAT_Z16,             /*                     ZZZZ ZZZZ ZZZZ ZZZZ */

-   MESA_FORMAT_X8_Z24,          /* xxxx xxxx ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */

-   MESA_FORMAT_Z24_X8,          /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */

-   MESA_FORMAT_Z32,             /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */

-   MESA_FORMAT_S8,              /*                               SSSS SSSS */

-   /*@}*/

-

-   /**

-    * \name 8-bit/channel sRGB formats

-    */

-   /*@{*/

-   MESA_FORMAT_SRGB8,

-   MESA_FORMAT_SRGBA8,

-   MESA_FORMAT_SARGB8,

-   MESA_FORMAT_SL8,

-   MESA_FORMAT_SLA8,

-   MESA_FORMAT_SRGB_DXT1,

-   MESA_FORMAT_SRGBA_DXT1,

-   MESA_FORMAT_SRGBA_DXT3,

-   MESA_FORMAT_SRGBA_DXT5,

-   /*@}*/

-

-   /**

-    * \name Compressed texture formats.

-    */

-   /*@{*/

-   MESA_FORMAT_RGB_FXT1,

-   MESA_FORMAT_RGBA_FXT1,

-   MESA_FORMAT_RGB_DXT1,

-   MESA_FORMAT_RGBA_DXT1,

-   MESA_FORMAT_RGBA_DXT3,

-   MESA_FORMAT_RGBA_DXT5,

-   /*@}*/

-

-   /**

-    * \name Floating point texture formats.

-    */

-   /*@{*/

-   MESA_FORMAT_RGBA_FLOAT32,

-   MESA_FORMAT_RGBA_FLOAT16,

-   MESA_FORMAT_RGB_FLOAT32,

-   MESA_FORMAT_RGB_FLOAT16,

-   MESA_FORMAT_ALPHA_FLOAT32,

-   MESA_FORMAT_ALPHA_FLOAT16,

-   MESA_FORMAT_LUMINANCE_FLOAT32,

-   MESA_FORMAT_LUMINANCE_FLOAT16,

-   MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,

-   MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,

-   MESA_FORMAT_INTENSITY_FLOAT32,

-   MESA_FORMAT_INTENSITY_FLOAT16,

-   /*@}*/

-

-   /**

-    * \name Non-normalized signed integer formats.

-    * XXX Note: these are just stand-ins for some better hardware

-    * formats TBD such as BGRA or ARGB.

-    */

-   MESA_FORMAT_RGBA_INT8,

-   MESA_FORMAT_RGBA_INT16,

-   MESA_FORMAT_RGBA_INT32,

-

-   /**

-    * \name Non-normalized unsigned integer formats.

-    */

-   MESA_FORMAT_RGBA_UINT8,

-   MESA_FORMAT_RGBA_UINT16,

-   MESA_FORMAT_RGBA_UINT32,

-

-                                  /* msb <------ TEXEL BITS -----------> lsb */

-                                  /* ---- ---- ---- ---- ---- ---- ---- ---- */

-   /**

-    * \name Signed fixed point texture formats.

-    */

-   /*@{*/

-   MESA_FORMAT_DUDV8,             /*                     DUDU DUDU DVDV DVDV */

-   MESA_FORMAT_SIGNED_R8,         /*                               RRRR RRRR */

-   MESA_FORMAT_SIGNED_RG88,       /*                     RRRR RRRR GGGG GGGG */

-   MESA_FORMAT_SIGNED_RGBX8888,   /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */

-   MESA_FORMAT_SIGNED_RGBA8888,   /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */

-   MESA_FORMAT_SIGNED_RGBA8888_REV,/*AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */

-   MESA_FORMAT_SIGNED_R_16,       /* ushort[0]=R */

-   MESA_FORMAT_SIGNED_RG_16,      /* ushort[0]=R, ushort[1]=G */

-   MESA_FORMAT_SIGNED_RGB_16,     /* ushort[0]=R, ushort[1]=G, ushort[2]=B */

-   MESA_FORMAT_SIGNED_RGBA_16,    /* ... */

-   MESA_FORMAT_RGBA_16,           /* ... */

-   /*@}*/

-

-   MESA_FORMAT_COUNT

-} gl_format;

-

-

-extern const char *

-_mesa_get_format_name(gl_format format);

-

-extern GLuint

-_mesa_get_format_bytes(gl_format format);

-

-extern GLint

-_mesa_get_format_bits(gl_format format, GLenum pname);

-

-extern GLenum

-_mesa_get_format_datatype(gl_format format);

-

-extern GLenum

-_mesa_get_format_base_format(gl_format format);

-

-extern void

-_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh);

-

-extern GLboolean

-_mesa_is_format_compressed(gl_format format);

-

-extern GLboolean

-_mesa_is_format_packed_depth_stencil(gl_format format);

-

-extern GLboolean

-_mesa_is_format_integer_color(gl_format format);

-

-extern GLenum

-_mesa_get_format_color_encoding(gl_format format);

-

-extern GLuint

-_mesa_format_image_size(gl_format format, GLsizei width,

-                        GLsizei height, GLsizei depth);

-

-extern uint64_t

-_mesa_format_image_size64(gl_format format, GLsizei width,

-                          GLsizei height, GLsizei depth);

-

-extern GLint

-_mesa_format_row_stride(gl_format format, GLsizei width);

-

-extern void

-_mesa_format_to_type_and_comps(gl_format format,

-                               GLenum *datatype, GLuint *comps);

-

-extern void

-_mesa_test_formats(void);

-

-extern gl_format

-_mesa_get_srgb_format_linear(gl_format format);

-

-#endif /* FORMATS_H */

+/*
+ * Mesa 3-D graphics library
+ * Version:  7.7
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (c) 2008-2009  VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Authors:
+ *   Brian Paul
+ */
+
+
+#ifndef FORMATS_H
+#define FORMATS_H
+
+
+#include <GL/gl.h>
+
+/* OpenGL doesn't have GL_UNSIGNED_BYTE_4_4, so we must define our own type
+ * for GL_LUMINANCE4_ALPHA4. */
+#define MESA_UNSIGNED_BYTE_4_4 (GL_UNSIGNED_BYTE<<1)
+
+
+/**
+ * Mesa texture/renderbuffer image formats.
+ */
+typedef enum
+{
+   MESA_FORMAT_NONE = 0,
+
+   /** 
+    * \name Basic hardware formats
+    */
+   /*@{*/
+				/* msb <------ TEXEL BITS -----------> lsb */
+				/* ---- ---- ---- ---- ---- ---- ---- ---- */
+   MESA_FORMAT_RGBA8888,	/* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
+   MESA_FORMAT_RGBA8888_REV,	/* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
+   MESA_FORMAT_ARGB8888,	/* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
+   MESA_FORMAT_ARGB8888_REV,	/* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
+   MESA_FORMAT_XRGB8888,	/* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */
+   MESA_FORMAT_XRGB8888_REV,	/* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */
+   MESA_FORMAT_RGB888,		/*           RRRR RRRR GGGG GGGG BBBB BBBB */
+   MESA_FORMAT_BGR888,		/*           BBBB BBBB GGGG GGGG RRRR RRRR */
+   MESA_FORMAT_RGB565,		/*                     RRRR RGGG GGGB BBBB */
+   MESA_FORMAT_RGB565_REV,	/*                     GGGB BBBB RRRR RGGG */
+   MESA_FORMAT_ARGB4444,	/*                     AAAA RRRR GGGG BBBB */
+   MESA_FORMAT_ARGB4444_REV,	/*                     GGGG BBBB AAAA RRRR */
+   MESA_FORMAT_RGBA5551,        /*                     RRRR RGGG GGBB BBBA */
+   MESA_FORMAT_ARGB1555,	/*                     ARRR RRGG GGGB BBBB */
+   MESA_FORMAT_ARGB1555_REV,	/*                     GGGB BBBB ARRR RRGG */
+   MESA_FORMAT_AL44,		/*                               AAAA LLLL */
+   MESA_FORMAT_AL88,		/*                     AAAA AAAA LLLL LLLL */
+   MESA_FORMAT_AL88_REV,	/*                     LLLL LLLL AAAA AAAA */
+   MESA_FORMAT_AL1616,          /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */
+   MESA_FORMAT_AL1616_REV,      /* LLLL LLLL LLLL LLLL AAAA AAAA AAAA AAAA */
+   MESA_FORMAT_RGB332,		/*                               RRRG GGBB */
+   MESA_FORMAT_A8,		/*                               AAAA AAAA */
+   MESA_FORMAT_A16,             /*                     AAAA AAAA AAAA AAAA */
+   MESA_FORMAT_L8,		/*                               LLLL LLLL */
+   MESA_FORMAT_L16,             /*                     LLLL LLLL LLLL LLLL */
+   MESA_FORMAT_I8,		/*                               IIII IIII */
+   MESA_FORMAT_I16,             /*                     IIII IIII IIII IIII */
+   MESA_FORMAT_CI8,		/*                               CCCC CCCC */
+   MESA_FORMAT_YCBCR,		/*                     YYYY YYYY UorV UorV */
+   MESA_FORMAT_YCBCR_REV,	/*                     UorV UorV YYYY YYYY */
+   MESA_FORMAT_R8,		/*                               RRRR RRRR */
+   MESA_FORMAT_RG88,		/*                     RRRR RRRR GGGG GGGG */
+   MESA_FORMAT_RG88_REV,	/*                     GGGG GGGG RRRR RRRR */
+   MESA_FORMAT_R16,		/*                     RRRR RRRR RRRR RRRR */
+   MESA_FORMAT_RG1616,		/* RRRR RRRR RRRR RRRR GGGG GGGG GGGG GGGG */
+   MESA_FORMAT_RG1616_REV,	/* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */
+   MESA_FORMAT_ARGB2101010,     /* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */
+   MESA_FORMAT_Z24_S8,          /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ SSSS SSSS */
+   MESA_FORMAT_S8_Z24,          /* SSSS SSSS ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
+   MESA_FORMAT_Z16,             /*                     ZZZZ ZZZZ ZZZZ ZZZZ */
+   MESA_FORMAT_X8_Z24,          /* xxxx xxxx ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
+   MESA_FORMAT_Z24_X8,          /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */
+   MESA_FORMAT_Z32,             /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
+   MESA_FORMAT_S8,              /*                               SSSS SSSS */
+   /*@}*/
+
+   /**
+    * \name 8-bit/channel sRGB formats
+    */
+   /*@{*/
+   MESA_FORMAT_SRGB8,
+   MESA_FORMAT_SRGBA8,
+   MESA_FORMAT_SARGB8,
+   MESA_FORMAT_SL8,
+   MESA_FORMAT_SLA8,
+   MESA_FORMAT_SRGB_DXT1,
+   MESA_FORMAT_SRGBA_DXT1,
+   MESA_FORMAT_SRGBA_DXT3,
+   MESA_FORMAT_SRGBA_DXT5,
+   /*@}*/
+
+   /**
+    * \name Compressed texture formats.
+    */
+   /*@{*/
+   MESA_FORMAT_RGB_FXT1,
+   MESA_FORMAT_RGBA_FXT1,
+   MESA_FORMAT_RGB_DXT1,
+   MESA_FORMAT_RGBA_DXT1,
+   MESA_FORMAT_RGBA_DXT3,
+   MESA_FORMAT_RGBA_DXT5,
+   /*@}*/
+
+   /**
+    * \name Floating point texture formats.
+    */
+   /*@{*/
+   MESA_FORMAT_RGBA_FLOAT32,
+   MESA_FORMAT_RGBA_FLOAT16,
+   MESA_FORMAT_RGB_FLOAT32,
+   MESA_FORMAT_RGB_FLOAT16,
+   MESA_FORMAT_ALPHA_FLOAT32,
+   MESA_FORMAT_ALPHA_FLOAT16,
+   MESA_FORMAT_LUMINANCE_FLOAT32,
+   MESA_FORMAT_LUMINANCE_FLOAT16,
+   MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
+   MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
+   MESA_FORMAT_INTENSITY_FLOAT32,
+   MESA_FORMAT_INTENSITY_FLOAT16,
+   /*@}*/
+
+   /**
+    * \name Non-normalized signed integer formats.
+    * XXX Note: these are just stand-ins for some better hardware
+    * formats TBD such as BGRA or ARGB.
+    */
+   MESA_FORMAT_RGBA_INT8,
+   MESA_FORMAT_RGBA_INT16,
+   MESA_FORMAT_RGBA_INT32,
+
+   /**
+    * \name Non-normalized unsigned integer formats.
+    */
+   MESA_FORMAT_RGBA_UINT8,
+   MESA_FORMAT_RGBA_UINT16,
+   MESA_FORMAT_RGBA_UINT32,
+
+                                  /* msb <------ TEXEL BITS -----------> lsb */
+                                  /* ---- ---- ---- ---- ---- ---- ---- ---- */
+   /**
+    * \name Signed fixed point texture formats.
+    */
+   /*@{*/
+   MESA_FORMAT_DUDV8,             /*                     DUDU DUDU DVDV DVDV */
+   MESA_FORMAT_SIGNED_R8,         /*                               RRRR RRRR */
+   MESA_FORMAT_SIGNED_RG88,       /*                     RRRR RRRR GGGG GGGG */
+   MESA_FORMAT_SIGNED_RGBX8888,   /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */
+   MESA_FORMAT_SIGNED_RGBA8888,   /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
+   MESA_FORMAT_SIGNED_RGBA8888_REV,/*AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
+   MESA_FORMAT_SIGNED_R_16,       /* ushort[0]=R */
+   MESA_FORMAT_SIGNED_RG_16,      /* ushort[0]=R, ushort[1]=G */
+   MESA_FORMAT_SIGNED_RGB_16,     /* ushort[0]=R, ushort[1]=G, ushort[2]=B */
+   MESA_FORMAT_SIGNED_RGBA_16,    /* ... */
+   MESA_FORMAT_RGBA_16,           /* ... */
+   /*@}*/
+
+   /*@{*/
+   MESA_FORMAT_RED_RGTC1,
+   MESA_FORMAT_SIGNED_RED_RGTC1,
+   MESA_FORMAT_RG_RGTC2,
+   MESA_FORMAT_SIGNED_RG_RGTC2,
+   /*@}*/
+   MESA_FORMAT_COUNT
+} gl_format;
+
+
+extern const char *
+_mesa_get_format_name(gl_format format);
+
+extern GLuint
+_mesa_get_format_bytes(gl_format format);
+
+extern GLint
+_mesa_get_format_bits(gl_format format, GLenum pname);
+
+extern GLenum
+_mesa_get_format_datatype(gl_format format);
+
+extern GLenum
+_mesa_get_format_base_format(gl_format format);
+
+extern void
+_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh);
+
+extern GLboolean
+_mesa_is_format_compressed(gl_format format);
+
+extern GLboolean
+_mesa_is_format_packed_depth_stencil(gl_format format);
+
+extern GLboolean
+_mesa_is_format_integer_color(gl_format format);
+
+extern GLenum
+_mesa_get_format_color_encoding(gl_format format);
+
+extern GLuint
+_mesa_format_image_size(gl_format format, GLsizei width,
+                        GLsizei height, GLsizei depth);
+
+extern uint64_t
+_mesa_format_image_size64(gl_format format, GLsizei width,
+                          GLsizei height, GLsizei depth);
+
+extern GLint
+_mesa_format_row_stride(gl_format format, GLsizei width);
+
+extern void
+_mesa_format_to_type_and_comps(gl_format format,
+                               GLenum *datatype, GLuint *comps);
+
+extern void
+_mesa_test_formats(void);
+
+extern gl_format
+_mesa_get_srgb_format_linear(gl_format format);
+
+#endif /* FORMATS_H */
diff --git a/mesalib/src/mesa/main/texcompress.c b/mesalib/src/mesa/main/texcompress.c
index eaebb06d3..82d02ed0e 100644
--- a/mesalib/src/mesa/main/texcompress.c
+++ b/mesalib/src/mesa/main/texcompress.c
@@ -1,249 +1,269 @@
-/*

- * Mesa 3-D graphics library

- * Version:  6.5.1

- *

- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.

- * Copyright (c) 2008 VMware, Inc.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included

- * in all copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- */

-

-

-/**

- * \file texcompress.c

- * Helper functions for texture compression.

- */

-

-

-#include "glheader.h"

-#include "imports.h"

-#include "colormac.h"

-#include "formats.h"

-#include "mfeatures.h"

-#include "mtypes.h"

-#include "texcompress.h"

-

-

-/**

- * Return list of (and count of) all specific texture compression

- * formats that are supported.

- *

- * \param ctx  the GL context

- * \param formats  the resulting format list (may be NULL).

- * \param all  if true return all formats, even those with  some kind

- *             of restrictions/limitations (See GL_ARB_texture_compression

- *             spec for more info).

- *

- * \return number of formats.

- */

-GLuint

-_mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats, GLboolean all)

-{

-   GLuint n = 0;

-   if (ctx->Extensions.TDFX_texture_compression_FXT1) {

-      if (formats) {

-         formats[n++] = GL_COMPRESSED_RGB_FXT1_3DFX;

-         formats[n++] = GL_COMPRESSED_RGBA_FXT1_3DFX;

-      }

-      else {

-         n += 2;

-      }

-   }

-   if (ctx->Extensions.EXT_texture_compression_s3tc) {

-      if (formats) {

-         formats[n++] = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;

-         /* This format has some restrictions/limitations and so should

-          * not be returned via the GL_COMPRESSED_TEXTURE_FORMATS query.

-          * Specifically, all transparent pixels become black.  NVIDIA

-          * omits this format too.

-          */

-         if (all)

-             formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;

-         formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;

-         formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;

-      }

-      else {

-         n += 3;

-         if (all)

-             n += 1;

-      }

-   }

-   if (ctx->Extensions.S3_s3tc) {

-      if (formats) {

-         formats[n++] = GL_RGB_S3TC;

-         formats[n++] = GL_RGB4_S3TC;

-         formats[n++] = GL_RGBA_S3TC;

-         formats[n++] = GL_RGBA4_S3TC;

-      }

-      else {

-         n += 4;

-      }

-   }

-#if FEATURE_EXT_texture_sRGB

-   if (ctx->Extensions.EXT_texture_sRGB) {

-      if (formats) {

-         formats[n++] = GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;

-         formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;

-         formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;

-         formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;

-      }

-      else {

-         n += 4;

-      }

-   }

-#endif /* FEATURE_EXT_texture_sRGB */

-   return n;

-

-#if FEATURE_ES1 || FEATURE_ES2

-   if (formats) {

-      formats[n++] = GL_PALETTE4_RGB8_OES;

-      formats[n++] = GL_PALETTE4_RGBA8_OES;

-      formats[n++] = GL_PALETTE4_R5_G6_B5_OES;

-      formats[n++] = GL_PALETTE4_RGBA4_OES;

-      formats[n++] = GL_PALETTE4_RGB5_A1_OES;

-      formats[n++] = GL_PALETTE8_RGB8_OES;

-      formats[n++] = GL_PALETTE8_RGBA8_OES;

-      formats[n++] = GL_PALETTE8_R5_G6_B5_OES;

-      formats[n++] = GL_PALETTE8_RGBA4_OES;

-      formats[n++] = GL_PALETTE8_RGB5_A1_OES;

-   }

-   else {

-      n += 10;

-   }

-#endif

-}

-

-

-/**

- * Convert a compressed MESA_FORMAT_x to a GLenum.

- */

-gl_format

-_mesa_glenum_to_compressed_format(GLenum format)

-{

-   switch (format) {

-   case GL_COMPRESSED_RGB_FXT1_3DFX:

-      return MESA_FORMAT_RGB_FXT1;

-   case GL_COMPRESSED_RGBA_FXT1_3DFX:

-      return MESA_FORMAT_RGBA_FXT1;

-

-   case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:

-   case GL_RGB_S3TC:

-      return MESA_FORMAT_RGB_DXT1;

-   case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:

-   case GL_RGB4_S3TC:

-      return MESA_FORMAT_RGBA_DXT1;

-   case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:

-   case GL_RGBA_S3TC:

-      return MESA_FORMAT_RGBA_DXT3;

-   case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:

-   case GL_RGBA4_S3TC:

-      return MESA_FORMAT_RGBA_DXT5;

-

-   case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:

-      return MESA_FORMAT_SRGB_DXT1;

-   case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:

-      return MESA_FORMAT_SRGBA_DXT1;

-   case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:

-      return MESA_FORMAT_SRGBA_DXT3;

-   case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:

-      return MESA_FORMAT_SRGBA_DXT5;

-

-   default:

-      return MESA_FORMAT_NONE;

-   }

-}

-

-

-/**

- * Given a compressed MESA_FORMAT_x value, return the corresponding

- * GLenum for that format.

- * This is needed for glGetTexLevelParameter(GL_TEXTURE_INTERNAL_FORMAT)

- * which must return the specific texture format used when the user might

- * have originally specified a generic compressed format in their

- * glTexImage2D() call.

- * For non-compressed textures, we always return the user-specified

- * internal format unchanged.

- */

-GLenum

-_mesa_compressed_format_to_glenum(struct gl_context *ctx, GLuint mesaFormat)

-{

-   switch (mesaFormat) {

-#if FEATURE_texture_fxt1

-   case MESA_FORMAT_RGB_FXT1:

-      return GL_COMPRESSED_RGB_FXT1_3DFX;

-   case MESA_FORMAT_RGBA_FXT1:

-      return GL_COMPRESSED_RGBA_FXT1_3DFX;

-#endif

-#if FEATURE_texture_s3tc

-   case MESA_FORMAT_RGB_DXT1:

-      return GL_COMPRESSED_RGB_S3TC_DXT1_EXT;

-   case MESA_FORMAT_RGBA_DXT1:

-      return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;

-   case MESA_FORMAT_RGBA_DXT3:

-      return GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;

-   case MESA_FORMAT_RGBA_DXT5:

-      return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;

-#if FEATURE_EXT_texture_sRGB

-   case MESA_FORMAT_SRGB_DXT1:

-      return GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;

-   case MESA_FORMAT_SRGBA_DXT1:

-      return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;

-   case MESA_FORMAT_SRGBA_DXT3:

-      return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;

-   case MESA_FORMAT_SRGBA_DXT5:

-      return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;

-#endif

-#endif

-   default:

-      _mesa_problem(ctx, "Unexpected mesa texture format in"

-                    " _mesa_compressed_format_to_glenum()");

-      return 0;

-   }

-}

-

-

-/*

- * Return the address of the pixel at (col, row, img) in a

- * compressed texture image.

- * \param col, row, img - image position (3D), should be a multiple of the

- *                        format's block size.

- * \param format - compressed image format

- * \param width - image width (stride) in pixels

- * \param image - the image address

- * \return address of pixel at (row, col, img)

- */

-GLubyte *

-_mesa_compressed_image_address(GLint col, GLint row, GLint img,

-                               gl_format mesaFormat,

-                               GLsizei width, const GLubyte *image)

-{

-   /* XXX only 2D images implemented, not 3D */

-   const GLuint blockSize = _mesa_get_format_bytes(mesaFormat);

-   GLuint bw, bh;

-   GLint offset;

-

-   _mesa_get_format_block_size(mesaFormat, &bw, &bh);

-

-   ASSERT(col % bw == 0);

-   ASSERT(row % bh == 0);

-

-   offset = ((width + bw - 1) / bw) * (row / bh) + col / bw;

-   offset *= blockSize;

-

-   return (GLubyte *) image + offset;

-}

+/*
+ * Mesa 3-D graphics library
+ * Version:  6.5.1
+ *
+ * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (c) 2008 VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file texcompress.c
+ * Helper functions for texture compression.
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "colormac.h"
+#include "formats.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "texcompress.h"
+
+
+/**
+ * Return list of (and count of) all specific texture compression
+ * formats that are supported.
+ *
+ * \param ctx  the GL context
+ * \param formats  the resulting format list (may be NULL).
+ * \param all  if true return all formats, even those with  some kind
+ *             of restrictions/limitations (See GL_ARB_texture_compression
+ *             spec for more info).
+ *
+ * \return number of formats.
+ */
+GLuint
+_mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats, GLboolean all)
+{
+   GLuint n = 0;
+   if (ctx->Extensions.TDFX_texture_compression_FXT1) {
+      if (formats) {
+         formats[n++] = GL_COMPRESSED_RGB_FXT1_3DFX;
+         formats[n++] = GL_COMPRESSED_RGBA_FXT1_3DFX;
+      }
+      else {
+         n += 2;
+      }
+   }
+   /* don't return RGTC - ARB_texture_compression_rgtc query 19 */
+   if (ctx->Extensions.EXT_texture_compression_s3tc) {
+      if (formats) {
+         formats[n++] = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
+         /* This format has some restrictions/limitations and so should
+          * not be returned via the GL_COMPRESSED_TEXTURE_FORMATS query.
+          * Specifically, all transparent pixels become black.  NVIDIA
+          * omits this format too.
+          */
+         if (all)
+             formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
+         formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
+         formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
+      }
+      else {
+         n += 3;
+         if (all)
+             n += 1;
+      }
+   }
+   if (ctx->Extensions.S3_s3tc) {
+      if (formats) {
+         formats[n++] = GL_RGB_S3TC;
+         formats[n++] = GL_RGB4_S3TC;
+         formats[n++] = GL_RGBA_S3TC;
+         formats[n++] = GL_RGBA4_S3TC;
+      }
+      else {
+         n += 4;
+      }
+   }
+#if FEATURE_EXT_texture_sRGB
+   if (ctx->Extensions.EXT_texture_sRGB) {
+      if (formats) {
+         formats[n++] = GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;
+         formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;
+         formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;
+         formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
+      }
+      else {
+         n += 4;
+      }
+   }
+#endif /* FEATURE_EXT_texture_sRGB */
+   return n;
+
+#if FEATURE_ES1 || FEATURE_ES2
+   if (formats) {
+      formats[n++] = GL_PALETTE4_RGB8_OES;
+      formats[n++] = GL_PALETTE4_RGBA8_OES;
+      formats[n++] = GL_PALETTE4_R5_G6_B5_OES;
+      formats[n++] = GL_PALETTE4_RGBA4_OES;
+      formats[n++] = GL_PALETTE4_RGB5_A1_OES;
+      formats[n++] = GL_PALETTE8_RGB8_OES;
+      formats[n++] = GL_PALETTE8_RGBA8_OES;
+      formats[n++] = GL_PALETTE8_R5_G6_B5_OES;
+      formats[n++] = GL_PALETTE8_RGBA4_OES;
+      formats[n++] = GL_PALETTE8_RGB5_A1_OES;
+   }
+   else {
+      n += 10;
+   }
+#endif
+}
+
+
+/**
+ * Convert a compressed MESA_FORMAT_x to a GLenum.
+ */
+gl_format
+_mesa_glenum_to_compressed_format(GLenum format)
+{
+   switch (format) {
+   case GL_COMPRESSED_RGB_FXT1_3DFX:
+      return MESA_FORMAT_RGB_FXT1;
+   case GL_COMPRESSED_RGBA_FXT1_3DFX:
+      return MESA_FORMAT_RGBA_FXT1;
+
+   case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+   case GL_RGB_S3TC:
+      return MESA_FORMAT_RGB_DXT1;
+   case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+   case GL_RGB4_S3TC:
+      return MESA_FORMAT_RGBA_DXT1;
+   case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+   case GL_RGBA_S3TC:
+      return MESA_FORMAT_RGBA_DXT3;
+   case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+   case GL_RGBA4_S3TC:
+      return MESA_FORMAT_RGBA_DXT5;
+
+   case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+      return MESA_FORMAT_SRGB_DXT1;
+   case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+      return MESA_FORMAT_SRGBA_DXT1;
+   case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+      return MESA_FORMAT_SRGBA_DXT3;
+   case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+      return MESA_FORMAT_SRGBA_DXT5;
+
+   case GL_COMPRESSED_RED_RGTC1:
+      return MESA_FORMAT_RED_RGTC1;
+   case GL_COMPRESSED_SIGNED_RED_RGTC1:
+      return MESA_FORMAT_SIGNED_RED_RGTC1;
+   case GL_COMPRESSED_RG_RGTC2:
+      return MESA_FORMAT_RG_RGTC2;
+   case GL_COMPRESSED_SIGNED_RG_RGTC2:
+      return MESA_FORMAT_SIGNED_RG_RGTC2;
+
+   default:
+      return MESA_FORMAT_NONE;
+   }
+}
+
+
+/**
+ * Given a compressed MESA_FORMAT_x value, return the corresponding
+ * GLenum for that format.
+ * This is needed for glGetTexLevelParameter(GL_TEXTURE_INTERNAL_FORMAT)
+ * which must return the specific texture format used when the user might
+ * have originally specified a generic compressed format in their
+ * glTexImage2D() call.
+ * For non-compressed textures, we always return the user-specified
+ * internal format unchanged.
+ */
+GLenum
+_mesa_compressed_format_to_glenum(struct gl_context *ctx, GLuint mesaFormat)
+{
+   switch (mesaFormat) {
+#if FEATURE_texture_fxt1
+   case MESA_FORMAT_RGB_FXT1:
+      return GL_COMPRESSED_RGB_FXT1_3DFX;
+   case MESA_FORMAT_RGBA_FXT1:
+      return GL_COMPRESSED_RGBA_FXT1_3DFX;
+#endif
+#if FEATURE_texture_s3tc
+   case MESA_FORMAT_RGB_DXT1:
+      return GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
+   case MESA_FORMAT_RGBA_DXT1:
+      return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
+   case MESA_FORMAT_RGBA_DXT3:
+      return GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
+   case MESA_FORMAT_RGBA_DXT5:
+      return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
+#if FEATURE_EXT_texture_sRGB
+   case MESA_FORMAT_SRGB_DXT1:
+      return GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;
+   case MESA_FORMAT_SRGBA_DXT1:
+      return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;
+   case MESA_FORMAT_SRGBA_DXT3:
+      return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;
+   case MESA_FORMAT_SRGBA_DXT5:
+      return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
+#endif
+#endif
+
+   case MESA_FORMAT_RED_RGTC1:
+      return GL_COMPRESSED_RED_RGTC1;
+   case MESA_FORMAT_SIGNED_RED_RGTC1:
+      return GL_COMPRESSED_SIGNED_RED_RGTC1;
+   case MESA_FORMAT_RG_RGTC2:
+      return GL_COMPRESSED_RG_RGTC2;
+   case MESA_FORMAT_SIGNED_RG_RGTC2:
+      return GL_COMPRESSED_SIGNED_RG_RGTC2;
+
+   default:
+      _mesa_problem(ctx, "Unexpected mesa texture format in"
+                    " _mesa_compressed_format_to_glenum()");
+      return 0;
+   }
+}
+
+
+/*
+ * Return the address of the pixel at (col, row, img) in a
+ * compressed texture image.
+ * \param col, row, img - image position (3D), should be a multiple of the
+ *                        format's block size.
+ * \param format - compressed image format
+ * \param width - image width (stride) in pixels
+ * \param image - the image address
+ * \return address of pixel at (row, col, img)
+ */
+GLubyte *
+_mesa_compressed_image_address(GLint col, GLint row, GLint img,
+                               gl_format mesaFormat,
+                               GLsizei width, const GLubyte *image)
+{
+   /* XXX only 2D images implemented, not 3D */
+   const GLuint blockSize = _mesa_get_format_bytes(mesaFormat);
+   GLuint bw, bh;
+   GLint offset;
+
+   _mesa_get_format_block_size(mesaFormat, &bw, &bh);
+
+   ASSERT(col % bw == 0);
+   ASSERT(row % bh == 0);
+
+   offset = ((width + bw - 1) / bw) * (row / bh) + col / bw;
+   offset *= blockSize;
+
+   return (GLubyte *) image + offset;
+}
diff --git a/mesalib/src/mesa/main/texcompress_rgtc.c b/mesalib/src/mesa/main/texcompress_rgtc.c
new file mode 100644
index 000000000..b7725f4a9
--- /dev/null
+++ b/mesalib/src/mesa/main/texcompress_rgtc.c
@@ -0,0 +1,1122 @@
+/*
+ * Copyright (C) 2011 Red Hat Inc.
+ * 
+ * block compression parts are:
+ * Copyright (C) 2004  Roland Scheidegger   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author:
+ *    Dave Airlie
+ */
+
+/**
+ * \file texcompress_rgtc.c
+ * GL_EXT_texture_compression_rgtc support.
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "colormac.h"
+#include "image.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "mipmap.h"
+#include "texcompress.h"
+#include "texcompress_rgtc.h"
+#include "texstore.h"
+
+#define RGTC_DEBUG 0
+
+static void encode_rgtc_chan_u(GLubyte *blkaddr, GLubyte srccolors[4][4],
+			     GLint numxpixels, GLint numypixels);
+static void encode_rgtc_chan_s(GLbyte *blkaddr, GLbyte srccolors[4][4],
+			     GLint numxpixels, GLint numypixels);
+
+static void extractsrc_u( GLubyte srcpixels[4][4], const GLchan *srcaddr,
+			  GLint srcRowStride, GLint numxpixels, GLint numypixels, GLint comps)
+{
+   GLubyte i, j;
+   const GLchan *curaddr;
+   for (j = 0; j < numypixels; j++) {
+      curaddr = srcaddr + j * srcRowStride * comps;
+      for (i = 0; i < numxpixels; i++) {
+	 srcpixels[j][i] = *curaddr / (CHAN_MAX / 255);
+	 curaddr += comps;
+      }
+   }
+}
+
+static void extractsrc_s( GLbyte srcpixels[4][4], const GLfloat *srcaddr,
+			  GLint srcRowStride, GLint numxpixels, GLint numypixels, GLint comps)
+{
+   GLubyte i, j;
+   const GLfloat *curaddr;
+   for (j = 0; j < numypixels; j++) {
+      curaddr = srcaddr + j * srcRowStride * comps;
+      for (i = 0; i < numxpixels; i++) {
+	 srcpixels[j][i] = FLOAT_TO_BYTE_TEX(*curaddr);
+	 curaddr += comps;
+      }
+   }
+}
+
+
+GLboolean
+_mesa_texstore_red_rgtc1(TEXSTORE_PARAMS)
+{
+   GLubyte *dst;
+   const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
+   const GLchan *tempImage = NULL;
+   int i, j;
+   int numxpixels, numypixels;
+   const void *srcaddr;
+   GLubyte srcpixels[4][4];
+   GLubyte *blkaddr;
+   GLint dstRowDiff;
+   ASSERT(dstFormat == MESA_FORMAT_RED_RGTC1);
+   ASSERT(dstXoffset % 4 == 0);
+   ASSERT(dstYoffset % 4 == 0);
+   ASSERT(dstZoffset % 4 == 0);
+   (void) dstZoffset;
+   (void) dstImageOffsets;
+
+
+   tempImage = _mesa_make_temp_chan_image(ctx, dims,
+					  baseInternalFormat,
+					  _mesa_get_format_base_format(dstFormat),
+					  srcWidth, srcHeight, srcDepth,
+					  srcFormat, srcType, srcAddr,
+					  srcPacking);
+   if (!tempImage)
+      return GL_FALSE; /* out of memory */
+
+   dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+                                        dstFormat,
+                                        texWidth, (GLubyte *) dstAddr);
+
+   blkaddr = dst;
+   dstRowDiff = dstRowStride >= (srcWidth * 4) ? dstRowStride - (((srcWidth + 3) & ~3) * 4) : 0;
+   for (j = 0; j < srcHeight; j+=4) {
+      if (srcHeight > j + 3) numypixels = 4;
+      else numypixels = srcHeight - j;
+      srcaddr = tempImage + j * srcWidth;
+      for (i = 0; i < srcWidth; i += 4) {
+	 if (srcWidth > i + 3) numxpixels = 4;
+	 else numxpixels = srcWidth - i;
+	 extractsrc_u(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 1);
+	 encode_rgtc_chan_u(blkaddr, srcpixels, numxpixels, numypixels);
+	 srcaddr += numxpixels;
+	 blkaddr += 8;
+      }
+      blkaddr += dstRowDiff;
+   }
+   if (tempImage)
+      free((void *) tempImage);
+
+   return GL_TRUE;
+}
+
+GLboolean
+_mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS)
+{
+   GLbyte *dst;
+   const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
+   const GLfloat *tempImage = NULL;
+   int i, j;
+   int numxpixels, numypixels;
+   const GLfloat *srcaddr;
+   GLbyte srcpixels[4][4];
+   GLbyte *blkaddr;
+   GLint dstRowDiff;
+   ASSERT(dstFormat == MESA_FORMAT_SIGNED_RED_RGTC1);
+   ASSERT(dstXoffset % 4 == 0);
+   ASSERT(dstYoffset % 4 == 0);
+   ASSERT(dstZoffset % 4 == 0);
+   (void) dstZoffset;
+   (void) dstImageOffsets;
+
+   tempImage = _mesa_make_temp_float_image(ctx, dims,
+					   baseInternalFormat,
+					   _mesa_get_format_base_format(dstFormat),
+					   srcWidth, srcHeight, srcDepth,
+					   srcFormat, srcType, srcAddr,
+					   srcPacking, 0x0);
+   if (!tempImage)
+      return GL_FALSE; /* out of memory */
+
+   dst = (GLbyte *)_mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+						  dstFormat,
+						  texWidth, (GLubyte *) dstAddr);
+
+   blkaddr = dst;
+   dstRowDiff = dstRowStride >= (srcWidth * 4) ? dstRowStride - (((srcWidth + 3) & ~3) * 4) : 0;
+   for (j = 0; j < srcHeight; j+=4) {
+      if (srcHeight > j + 3) numypixels = 4;
+      else numypixels = srcHeight - j;
+      srcaddr = tempImage + j * srcWidth;
+      for (i = 0; i < srcWidth; i += 4) {
+	 if (srcWidth > i + 3) numxpixels = 4;
+	 else numxpixels = srcWidth - i;
+	 extractsrc_s(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 1);
+	 encode_rgtc_chan_s(blkaddr, srcpixels, numxpixels, numypixels);
+	 srcaddr += numxpixels;
+	 blkaddr += 8;
+      }
+      blkaddr += dstRowDiff;
+   }
+   if (tempImage)
+      free((void *) tempImage);
+
+   return GL_TRUE;
+}
+
+GLboolean
+_mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS)
+{
+   GLubyte *dst;
+   const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
+   const GLchan *tempImage = NULL;
+   int i, j;
+   int numxpixels, numypixels;
+   const void *srcaddr;
+   GLubyte srcpixels[4][4];
+   GLubyte *blkaddr;
+   GLint dstRowDiff;
+
+   ASSERT(dstFormat == MESA_FORMAT_RG_RGTC2);
+   ASSERT(dstXoffset % 4 == 0);
+   ASSERT(dstYoffset % 4 == 0);
+   ASSERT(dstZoffset % 4 == 0);
+   (void) dstZoffset;
+   (void) dstImageOffsets;
+
+   tempImage = _mesa_make_temp_chan_image(ctx, dims,
+					  baseInternalFormat,
+					  _mesa_get_format_base_format(dstFormat),
+					  srcWidth, srcHeight, srcDepth,
+					  srcFormat, srcType, srcAddr,
+					  srcPacking);
+   if (!tempImage)
+      return GL_FALSE; /* out of memory */
+
+   dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+                                        dstFormat,
+                                        texWidth, (GLubyte *) dstAddr);
+
+   blkaddr = dst;
+   dstRowDiff = dstRowStride >= (srcWidth * 8) ? dstRowStride - (((srcWidth + 7) & ~7) * 8) : 0;
+   for (j = 0; j < srcHeight; j+=4) {
+      if (srcHeight > j + 3) numypixels = 4;
+      else numypixels = srcHeight - j;
+      srcaddr = tempImage + j * srcWidth * 2;
+      for (i = 0; i < srcWidth; i += 4) {
+	 if (srcWidth > i + 3) numxpixels = 4;
+	 else numxpixels = srcWidth - i;
+	 extractsrc_u(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 2);
+	 encode_rgtc_chan_u(blkaddr, srcpixels, numxpixels, numypixels);
+
+	 blkaddr += 8;
+	 extractsrc_u(srcpixels, (GLchan *)srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
+	 encode_rgtc_chan_u(blkaddr, srcpixels, numxpixels, numypixels);
+
+	 blkaddr += 8;
+
+	 srcaddr += numxpixels * 2;
+      }
+      blkaddr += dstRowDiff;
+   }
+   if (tempImage)
+      free((void *) tempImage);
+
+   return GL_TRUE;
+}
+
+GLboolean
+_mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS)
+{
+   GLbyte *dst;
+   const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
+   const GLfloat *tempImage = NULL;
+   int i, j;
+   int numxpixels, numypixels;
+   const GLfloat *srcaddr;
+   GLbyte srcpixels[4][4];
+   GLbyte *blkaddr;
+   GLint dstRowDiff;
+
+   ASSERT(dstFormat == MESA_FORMAT_SIGNED_RG_RGTC2);
+   ASSERT(dstXoffset % 4 == 0);
+   ASSERT(dstYoffset % 4 == 0);
+   ASSERT(dstZoffset % 4 == 0);
+   (void) dstZoffset;
+   (void) dstImageOffsets;
+
+   tempImage = _mesa_make_temp_float_image(ctx, dims,
+					   baseInternalFormat,
+					   _mesa_get_format_base_format(dstFormat),
+					   srcWidth, srcHeight, srcDepth,
+					   srcFormat, srcType, srcAddr,
+					   srcPacking, 0x0);
+   if (!tempImage)
+      return GL_FALSE; /* out of memory */
+
+   dst = (GLbyte *)_mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+						  dstFormat,
+						  texWidth, (GLubyte *) dstAddr);
+
+   blkaddr = dst;
+   dstRowDiff = dstRowStride >= (srcWidth * 8) ? dstRowStride - (((srcWidth + 7) & ~7) * 8) : 0;
+   for (j = 0; j < srcHeight; j += 4) {
+      if (srcHeight > j + 3) numypixels = 4;
+      else numypixels = srcHeight - j;
+      srcaddr = tempImage + j * srcWidth * 2;
+      for (i = 0; i < srcWidth; i += 4) {
+	 if (srcWidth > i + 3) numxpixels = 4;
+	 else numxpixels = srcWidth - i;
+
+	 extractsrc_s(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 2);
+	 encode_rgtc_chan_s(blkaddr, srcpixels, numxpixels, numypixels);
+	 blkaddr += 8;
+
+	 extractsrc_s(srcpixels, srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
+	 encode_rgtc_chan_s(blkaddr, srcpixels, numxpixels, numypixels);
+	 blkaddr += 8;
+
+	 srcaddr += numxpixels * 2;
+
+      }
+      blkaddr += dstRowDiff;
+   }
+   if (tempImage)
+      free((void *) tempImage);
+
+   return GL_TRUE;
+}
+
+static void _fetch_texel_rgtc_u(GLint srcRowStride, const GLubyte *pixdata,
+				GLint i, GLint j, GLchan *value, int comps)
+{
+   GLchan decode;
+   const GLubyte *blksrc = (pixdata + ((srcRowStride + 3) / 4 * (j / 4) + (i / 4)) * 8 * comps);
+   const GLubyte alpha0 = blksrc[0];
+   const GLubyte alpha1 = blksrc[1];
+   const GLubyte bit_pos = ((j&3) * 4 + (i&3)) * 3;
+   const GLubyte acodelow = blksrc[2 + bit_pos / 8];
+   const GLubyte acodehigh = blksrc[3 + bit_pos / 8];
+   const GLubyte code = (acodelow >> (bit_pos & 0x7) |
+      (acodehigh  << (8 - (bit_pos & 0x7)))) & 0x7;
+
+   if (code == 0)
+      decode = UBYTE_TO_CHAN( alpha0 );
+   else if (code == 1)
+      decode = UBYTE_TO_CHAN( alpha1 );
+   else if (alpha0 > alpha1)
+      decode = UBYTE_TO_CHAN( ((alpha0 * (8 - code) + (alpha1 * (code - 1))) / 7) );
+   else if (code < 6)
+      decode = UBYTE_TO_CHAN( ((alpha0 * (6 - code) + (alpha1 * (code - 1))) / 5) );
+   else if (code == 6)
+      decode = 0;
+   else
+      decode = CHAN_MAX;
+
+   *value = decode;
+}
+
+
+static void _fetch_texel_rgtc_s(GLint srcRowStride, const GLbyte *pixdata,
+				GLint i, GLint j, GLbyte *value, int comps)
+{
+   GLbyte decode;
+   const GLbyte *blksrc = (pixdata + ((srcRowStride + 3) / 4 * (j / 4) + (i / 4)) * 8 * comps);
+   const GLbyte alpha0 = blksrc[0];
+   const GLbyte alpha1 = blksrc[1];
+   const GLbyte bit_pos = ((j&3) * 4 + (i&3)) * 3;
+   const GLbyte acodelow = blksrc[2 + bit_pos / 8];
+   const GLbyte acodehigh = blksrc[3 + bit_pos / 8];
+   const GLbyte code = (acodelow >> (bit_pos & 0x7) |
+      (acodehigh  << (8 - (bit_pos & 0x7)))) & 0x7;
+
+   if (code == 0)
+      decode = alpha0;
+   else if (code == 1)
+      decode = alpha1;
+   else if (alpha0 > alpha1)
+      decode = ((alpha0 * (8 - code) + (alpha1 * (code - 1))) / 7);
+   else if (code < 6)
+      decode = ((alpha0 * (6 - code) + (alpha1 * (code - 1))) / 5);
+   else if (code == 6)
+      decode = -128;
+   else
+      decode = 127;
+
+   *value = decode;
+}
+
+void
+_mesa_fetch_texel_2d_f_red_rgtc1(const struct gl_texture_image *texImage,
+				 GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   GLchan red;
+   _fetch_texel_rgtc_u(texImage->RowStride, (GLubyte *)(texImage->Data),
+		       i, j, &red, 1);
+   texel[RCOMP] = CHAN_TO_FLOAT(red);
+   texel[GCOMP] = 0.0;
+   texel[BCOMP] = 0.0;
+   texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_signed_red_rgtc1(const struct gl_texture_image *texImage,
+					GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   GLbyte red;
+   _fetch_texel_rgtc_s(texImage->RowStride, (GLbyte *)(texImage->Data),
+		       i, j, &red, 1);
+   texel[RCOMP] = BYTE_TO_FLOAT_TEX(red);
+   texel[GCOMP] = 0.0;
+   texel[BCOMP] = 0.0;
+   texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_rg_rgtc2(const struct gl_texture_image *texImage,
+				 GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   GLchan red, green;
+   _fetch_texel_rgtc_u(texImage->RowStride, (GLubyte *)(texImage->Data),
+		     i, j, &red, 2);
+   _fetch_texel_rgtc_u(texImage->RowStride, (GLubyte *)(texImage->Data) + 8,
+		     i, j, &green, 2);
+   texel[RCOMP] = CHAN_TO_FLOAT(red);
+   texel[GCOMP] = CHAN_TO_FLOAT(green);
+   texel[BCOMP] = 0.0;
+   texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_signed_rg_rgtc2(const struct gl_texture_image *texImage,
+				       GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   GLbyte red, green;
+   _fetch_texel_rgtc_s(texImage->RowStride, (GLbyte *)(texImage->Data),
+		     i, j, &red, 2);
+   _fetch_texel_rgtc_s(texImage->RowStride, (GLbyte *)(texImage->Data) + 8,
+		     i, j, &green, 2);
+   texel[RCOMP] = BYTE_TO_FLOAT_TEX(red);
+   texel[GCOMP] = BYTE_TO_FLOAT_TEX(green);
+   texel[BCOMP] = 0.0;
+   texel[ACOMP] = 1.0;
+}
+
+static void write_rgtc_encoded_channel(GLubyte *blkaddr,
+				       GLubyte alphabase1,
+				       GLubyte alphabase2,
+				       GLubyte alphaenc[16])
+{
+   *blkaddr++ = alphabase1;
+   *blkaddr++ = alphabase2;
+   *blkaddr++ = alphaenc[0] | (alphaenc[1] << 3) | ((alphaenc[2] & 3) << 6);
+   *blkaddr++ = (alphaenc[2] >> 2) | (alphaenc[3] << 1) | (alphaenc[4] << 4) | ((alphaenc[5] & 1) << 7);
+   *blkaddr++ = (alphaenc[5] >> 1) | (alphaenc[6] << 2) | (alphaenc[7] << 5);
+   *blkaddr++ = alphaenc[8] | (alphaenc[9] << 3) | ((alphaenc[10] & 3) << 6);
+   *blkaddr++ = (alphaenc[10] >> 2) | (alphaenc[11] << 1) | (alphaenc[12] << 4) | ((alphaenc[13] & 1) << 7);
+   *blkaddr++ = (alphaenc[13] >> 1) | (alphaenc[14] << 2) | (alphaenc[15] << 5);
+}
+
+static void encode_rgtc_chan_u(GLubyte *blkaddr, GLubyte srccolors[4][4],
+			     GLint numxpixels, GLint numypixels)
+{
+   GLubyte alphabase[2], alphause[2];
+   GLshort alphatest[2] = { 0 };
+   GLuint alphablockerror1, alphablockerror2, alphablockerror3;
+   GLubyte i, j, aindex, acutValues[7];
+   GLubyte alphaenc1[16], alphaenc2[16], alphaenc3[16];
+   GLboolean alphaabsmin = GL_FALSE;
+   GLboolean alphaabsmax = GL_FALSE;
+   GLshort alphadist;
+
+   /* find lowest and highest alpha value in block, alphabase[0] lowest, alphabase[1] highest */
+   alphabase[0] = 0xff; alphabase[1] = 0x0;
+   for (j = 0; j < numypixels; j++) {
+      for (i = 0; i < numxpixels; i++) {
+         if (srccolors[j][i] == 0)
+            alphaabsmin = GL_TRUE;
+         else if (srccolors[j][i] == 255)
+            alphaabsmax = GL_TRUE;
+         else {
+            if (srccolors[j][i] > alphabase[1])
+               alphabase[1] = srccolors[j][i];
+            if (srccolors[j][i] < alphabase[0])
+               alphabase[0] = srccolors[j][i];
+         }
+      }
+   }
+
+
+   if ((alphabase[0] > alphabase[1]) && !(alphaabsmin && alphaabsmax)) { /* one color, either max or min */
+      /* shortcut here since it is a very common case (and also avoids later problems) */
+      /* || (alphabase[0] == alphabase[1] && !alphaabsmin && !alphaabsmax) */
+      /* could also thest for alpha0 == alpha1 (and not min/max), but probably not common, so don't bother */
+
+      *blkaddr++ = srccolors[0][0];
+      blkaddr++;
+      *blkaddr++ = 0;
+      *blkaddr++ = 0;
+      *blkaddr++ = 0;
+      *blkaddr++ = 0;
+      *blkaddr++ = 0;
+      *blkaddr++ = 0;
+#if RGTC_DEBUG
+      fprintf(stderr, "enc0 used\n");
+#endif
+      return;
+   }
+
+   /* find best encoding for alpha0 > alpha1 */
+   /* it's possible this encoding is better even if both alphaabsmin and alphaabsmax are true */
+   alphablockerror1 = 0x0;
+   alphablockerror2 = 0xffffffff;
+   alphablockerror3 = 0xffffffff;
+   if (alphaabsmin) alphause[0] = 0;
+   else alphause[0] = alphabase[0];
+   if (alphaabsmax) alphause[1] = 255;
+   else alphause[1] = alphabase[1];
+   /* calculate the 7 cut values, just the middle between 2 of the computed alpha values */
+   for (aindex = 0; aindex < 7; aindex++) {
+      /* don't forget here is always rounded down */
+      acutValues[aindex] = (alphause[0] * (2*aindex + 1) + alphause[1] * (14 - (2*aindex + 1))) / 14;
+   }
+
+   for (j = 0; j < numypixels; j++) {
+      for (i = 0; i < numxpixels; i++) {
+         /* maybe it's overkill to have the most complicated calculation just for the error
+            calculation which we only need to figure out if encoding1 or encoding2 is better... */
+         if (srccolors[j][i] > acutValues[0]) {
+            alphaenc1[4*j + i] = 0;
+            alphadist = srccolors[j][i] - alphause[1];
+         }
+         else if (srccolors[j][i] > acutValues[1]) {
+            alphaenc1[4*j + i] = 2;
+            alphadist = srccolors[j][i] - (alphause[1] * 6 + alphause[0] * 1) / 7;
+         }
+         else if (srccolors[j][i] > acutValues[2]) {
+            alphaenc1[4*j + i] = 3;
+            alphadist = srccolors[j][i] - (alphause[1] * 5 + alphause[0] * 2) / 7;
+         }
+         else if (srccolors[j][i] > acutValues[3]) {
+            alphaenc1[4*j + i] = 4;
+            alphadist = srccolors[j][i] - (alphause[1] * 4 + alphause[0] * 3) / 7;
+         }
+         else if (srccolors[j][i] > acutValues[4]) {
+            alphaenc1[4*j + i] = 5;
+            alphadist = srccolors[j][i] - (alphause[1] * 3 + alphause[0] * 4) / 7;
+         }
+         else if (srccolors[j][i] > acutValues[5]) {
+            alphaenc1[4*j + i] = 6;
+            alphadist = srccolors[j][i] - (alphause[1] * 2 + alphause[0] * 5) / 7;
+         }
+         else if (srccolors[j][i] > acutValues[6]) {
+            alphaenc1[4*j + i] = 7;
+            alphadist = srccolors[j][i] - (alphause[1] * 1 + alphause[0] * 6) / 7;
+         }
+         else {
+            alphaenc1[4*j + i] = 1;
+            alphadist = srccolors[j][i] - alphause[0];
+         }
+         alphablockerror1 += alphadist * alphadist;
+      }
+   }
+
+#if RGTC_DEBUG
+   for (i = 0; i < 16; i++) {
+      fprintf(stderr, "%d ", alphaenc1[i]);
+   }
+   fprintf(stderr, "cutVals ");
+   for (i = 0; i < 8; i++) {
+      fprintf(stderr, "%d ", acutValues[i]);
+   }
+   fprintf(stderr, "srcVals ");
+   for (j = 0; j < numypixels; j++) {
+      for (i = 0; i < numxpixels; i++) {
+	 fprintf(stderr, "%d ", srccolors[j][i]);
+      }
+   }
+   fprintf(stderr, "\n");
+#endif
+
+   /* it's not very likely this encoding is better if both alphaabsmin and alphaabsmax
+      are false but try it anyway */
+   if (alphablockerror1 >= 32) {
+
+      /* don't bother if encoding is already very good, this condition should also imply
+      we have valid alphabase colors which we absolutely need (alphabase[0] <= alphabase[1]) */
+      alphablockerror2 = 0;
+      for (aindex = 0; aindex < 5; aindex++) {
+         /* don't forget here is always rounded down */
+         acutValues[aindex] = (alphabase[0] * (10 - (2*aindex + 1)) + alphabase[1] * (2*aindex + 1)) / 10;
+      }
+      for (j = 0; j < numypixels; j++) {
+         for (i = 0; i < numxpixels; i++) {
+             /* maybe it's overkill to have the most complicated calculation just for the error
+               calculation which we only need to figure out if encoding1 or encoding2 is better... */
+            if (srccolors[j][i] == 0) {
+               alphaenc2[4*j + i] = 6;
+               alphadist = 0;
+            }
+            else if (srccolors[j][i] == 255) {
+               alphaenc2[4*j + i] = 7;
+               alphadist = 0;
+            }
+            else if (srccolors[j][i] <= acutValues[0]) {
+               alphaenc2[4*j + i] = 0;
+               alphadist = srccolors[j][i] - alphabase[0];
+            }
+            else if (srccolors[j][i] <= acutValues[1]) {
+               alphaenc2[4*j + i] = 2;
+               alphadist = srccolors[j][i] - (alphabase[0] * 4 + alphabase[1] * 1) / 5;
+            }
+            else if (srccolors[j][i] <= acutValues[2]) {
+               alphaenc2[4*j + i] = 3;
+               alphadist = srccolors[j][i] - (alphabase[0] * 3 + alphabase[1] * 2) / 5;
+            }
+            else if (srccolors[j][i] <= acutValues[3]) {
+               alphaenc2[4*j + i] = 4;
+               alphadist = srccolors[j][i] - (alphabase[0] * 2 + alphabase[1] * 3) / 5;
+            }
+            else if (srccolors[j][i] <= acutValues[4]) {
+               alphaenc2[4*j + i] = 5;
+               alphadist = srccolors[j][i] - (alphabase[0] * 1 + alphabase[1] * 4) / 5;
+            }
+            else {
+               alphaenc2[4*j + i] = 1;
+               alphadist = srccolors[j][i] - alphabase[1];
+            }
+            alphablockerror2 += alphadist * alphadist;
+         }
+      }
+
+
+      /* skip this if the error is already very small
+         this encoding is MUCH better on average than #2 though, but expensive! */
+      if ((alphablockerror2 > 96) && (alphablockerror1 > 96)) {
+         GLshort blockerrlin1 = 0;
+         GLshort blockerrlin2 = 0;
+         GLubyte nralphainrangelow = 0;
+         GLubyte nralphainrangehigh = 0;
+         alphatest[0] = 0xff;
+         alphatest[1] = 0x0;
+         /* if we have large range it's likely there are values close to 0/255, try to map them to 0/255 */
+         for (j = 0; j < numypixels; j++) {
+            for (i = 0; i < numxpixels; i++) {
+               if ((srccolors[j][i] > alphatest[1]) && (srccolors[j][i] < (255 -(alphabase[1] - alphabase[0]) / 28)))
+                  alphatest[1] = srccolors[j][i];
+               if ((srccolors[j][i] < alphatest[0]) && (srccolors[j][i] > (alphabase[1] - alphabase[0]) / 28))
+                  alphatest[0] = srccolors[j][i];
+            }
+         }
+          /* shouldn't happen too often, don't really care about those degenerated cases */
+          if (alphatest[1] <= alphatest[0]) {
+             alphatest[0] = 1;
+             alphatest[1] = 254;
+         }
+         for (aindex = 0; aindex < 5; aindex++) {
+         /* don't forget here is always rounded down */
+            acutValues[aindex] = (alphatest[0] * (10 - (2*aindex + 1)) + alphatest[1] * (2*aindex + 1)) / 10;
+         }
+
+         /* find the "average" difference between the alpha values and the next encoded value.
+            This is then used to calculate new base values.
+            Should there be some weighting, i.e. those values closer to alphatest[x] have more weight,
+            since they will see more improvement, and also because the values in the middle are somewhat
+            likely to get no improvement at all (because the base values might move in different directions)?
+            OTOH it would mean the values in the middle are even less likely to get an improvement
+         */
+         for (j = 0; j < numypixels; j++) {
+            for (i = 0; i < numxpixels; i++) {
+               if (srccolors[j][i] <= alphatest[0] / 2) {
+               }
+               else if (srccolors[j][i] > ((255 + alphatest[1]) / 2)) {
+               }
+               else if (srccolors[j][i] <= acutValues[0]) {
+                  blockerrlin1 += (srccolors[j][i] - alphatest[0]);
+                  nralphainrangelow += 1;
+               }
+               else if (srccolors[j][i] <= acutValues[1]) {
+                  blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5);
+                  blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5);
+                  nralphainrangelow += 1;
+                  nralphainrangehigh += 1;
+               }
+               else if (srccolors[j][i] <= acutValues[2]) {
+                  blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5);
+                  blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5);
+                  nralphainrangelow += 1;
+                  nralphainrangehigh += 1;
+               }
+               else if (srccolors[j][i] <= acutValues[3]) {
+                  blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5);
+                  blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5);
+                  nralphainrangelow += 1;
+                  nralphainrangehigh += 1;
+               }
+               else if (srccolors[j][i] <= acutValues[4]) {
+                  blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5);
+                  blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5);
+                  nralphainrangelow += 1;
+                  nralphainrangehigh += 1;
+                  }
+               else {
+                  blockerrlin2 += (srccolors[j][i] - alphatest[1]);
+                  nralphainrangehigh += 1;
+               }
+            }
+         }
+         /* shouldn't happen often, needed to avoid div by zero */
+         if (nralphainrangelow == 0) nralphainrangelow = 1;
+         if (nralphainrangehigh == 0) nralphainrangehigh = 1;
+         alphatest[0] = alphatest[0] + (blockerrlin1 / nralphainrangelow);
+#if RGTC_DEBUG
+         fprintf(stderr, "block err lin low %d, nr %d\n", blockerrlin1, nralphainrangelow);
+         fprintf(stderr, "block err lin high %d, nr %d\n", blockerrlin2, nralphainrangehigh);
+#endif
+         /* again shouldn't really happen often... */
+         if (alphatest[0] < 0) {
+            alphatest[0] = 0;
+         }
+         alphatest[1] = alphatest[1] + (blockerrlin2 / nralphainrangehigh);
+         if (alphatest[1] > 255) {
+            alphatest[1] = 255;
+         }
+
+         alphablockerror3 = 0;
+         for (aindex = 0; aindex < 5; aindex++) {
+         /* don't forget here is always rounded down */
+            acutValues[aindex] = (alphatest[0] * (10 - (2*aindex + 1)) + alphatest[1] * (2*aindex + 1)) / 10;
+         }
+         for (j = 0; j < numypixels; j++) {
+            for (i = 0; i < numxpixels; i++) {
+                /* maybe it's overkill to have the most complicated calculation just for the error
+                  calculation which we only need to figure out if encoding1 or encoding2 is better... */
+               if (srccolors[j][i] <= alphatest[0] / 2) {
+                  alphaenc3[4*j + i] = 6;
+                  alphadist = srccolors[j][i];
+               }
+               else if (srccolors[j][i] > ((255 + alphatest[1]) / 2)) {
+                  alphaenc3[4*j + i] = 7;
+                  alphadist = 255 - srccolors[j][i];
+               }
+               else if (srccolors[j][i] <= acutValues[0]) {
+                  alphaenc3[4*j + i] = 0;
+                  alphadist = srccolors[j][i] - alphatest[0];
+               }
+               else if (srccolors[j][i] <= acutValues[1]) {
+                 alphaenc3[4*j + i] = 2;
+                 alphadist = srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5;
+               }
+               else if (srccolors[j][i] <= acutValues[2]) {
+                  alphaenc3[4*j + i] = 3;
+                  alphadist = srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5;
+               }
+               else if (srccolors[j][i] <= acutValues[3]) {
+                  alphaenc3[4*j + i] = 4;
+                  alphadist = srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5;
+               }
+               else if (srccolors[j][i] <= acutValues[4]) {
+                  alphaenc3[4*j + i] = 5;
+                  alphadist = srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5;
+               }
+               else {
+                  alphaenc3[4*j + i] = 1;
+                  alphadist = srccolors[j][i] - alphatest[1];
+               }
+               alphablockerror3 += alphadist * alphadist;
+            }
+         }
+      }
+   }
+  /* write the alpha values and encoding back. */
+   if ((alphablockerror1 <= alphablockerror2) && (alphablockerror1 <= alphablockerror3)) {
+#if RGTC_DEBUG
+      if (alphablockerror1 > 96) fprintf(stderr, "enc1 used, error %d\n", alphablockerror1);
+#endif
+      write_rgtc_encoded_channel( blkaddr, alphause[1], alphause[0], alphaenc1 );
+   }
+   else if (alphablockerror2 <= alphablockerror3) {
+#if RGTC_DEBUG
+      if (alphablockerror2 > 96) fprintf(stderr, "enc2 used, error %d\n", alphablockerror2);
+#endif
+      write_rgtc_encoded_channel( blkaddr, alphabase[0], alphabase[1], alphaenc2 );
+   }
+   else {
+#if RGTC_DEBUG
+      fprintf(stderr, "enc3 used, error %d\n", alphablockerror3);
+#endif
+      write_rgtc_encoded_channel( blkaddr, (GLubyte)alphatest[0], (GLubyte)alphatest[1], alphaenc3 );
+   }
+}
+
+
+static void write_rgtc_encoded_channel_s(GLbyte *blkaddr,
+					 GLbyte alphabase1,
+					 GLbyte alphabase2,
+					 GLbyte alphaenc[16])
+{
+   *blkaddr++ = alphabase1;
+   *blkaddr++ = alphabase2;
+   *blkaddr++ = alphaenc[0] | (alphaenc[1] << 3) | ((alphaenc[2] & 3) << 6);
+   *blkaddr++ = (alphaenc[2] >> 2) | (alphaenc[3] << 1) | (alphaenc[4] << 4) | ((alphaenc[5] & 1) << 7);
+   *blkaddr++ = (alphaenc[5] >> 1) | (alphaenc[6] << 2) | (alphaenc[7] << 5);
+   *blkaddr++ = alphaenc[8] | (alphaenc[9] << 3) | ((alphaenc[10] & 3) << 6);
+   *blkaddr++ = (alphaenc[10] >> 2) | (alphaenc[11] << 1) | (alphaenc[12] << 4) | ((alphaenc[13] & 1) << 7);
+   *blkaddr++ = (alphaenc[13] >> 1) | (alphaenc[14] << 2) | (alphaenc[15] << 5);
+}
+
+static void encode_rgtc_chan_s(GLbyte *blkaddr, GLbyte srccolors[4][4],
+			       GLint numxpixels, GLint numypixels)
+{
+   GLbyte alphabase[2], alphause[2];
+   GLshort alphatest[2] = { 0 };
+   GLuint alphablockerror1, alphablockerror2, alphablockerror3;
+   GLbyte i, j, aindex, acutValues[7];
+   GLbyte alphaenc1[16], alphaenc2[16], alphaenc3[16];
+   GLboolean alphaabsmin = GL_FALSE;
+   GLboolean alphaabsmax = GL_FALSE;
+   GLshort alphadist;
+
+   /* find lowest and highest alpha value in block, alphabase[0] lowest, alphabase[1] highest */
+   alphabase[0] = 0xff; alphabase[1] = 0x0;
+   for (j = 0; j < numypixels; j++) {
+      for (i = 0; i < numxpixels; i++) {
+         if (srccolors[j][i] == 0)
+            alphaabsmin = GL_TRUE;
+         else if (srccolors[j][i] == 255)
+            alphaabsmax = GL_TRUE;
+         else {
+            if (srccolors[j][i] > alphabase[1])
+               alphabase[1] = srccolors[j][i];
+            if (srccolors[j][i] < alphabase[0])
+               alphabase[0] = srccolors[j][i];
+         }
+      }
+   }
+
+
+   if ((alphabase[0] > alphabase[1]) && !(alphaabsmin && alphaabsmax)) { /* one color, either max or min */
+      /* shortcut here since it is a very common case (and also avoids later problems) */
+      /* || (alphabase[0] == alphabase[1] && !alphaabsmin && !alphaabsmax) */
+      /* could also thest for alpha0 == alpha1 (and not min/max), but probably not common, so don't bother */
+
+      *blkaddr++ = srccolors[0][0];
+      blkaddr++;
+      *blkaddr++ = 0;
+      *blkaddr++ = 0;
+      *blkaddr++ = 0;
+      *blkaddr++ = 0;
+      *blkaddr++ = 0;
+      *blkaddr++ = 0;
+#if RGTC_DEBUG
+      fprintf(stderr, "enc0 used\n");
+#endif
+      return;
+   }
+
+   /* find best encoding for alpha0 > alpha1 */
+   /* it's possible this encoding is better even if both alphaabsmin and alphaabsmax are true */
+   alphablockerror1 = 0x0;
+   alphablockerror2 = 0xffffffff;
+   alphablockerror3 = 0xffffffff;
+   if (alphaabsmin) alphause[0] = 0;
+   else alphause[0] = alphabase[0];
+   if (alphaabsmax) alphause[1] = 255;
+   else alphause[1] = alphabase[1];
+   /* calculate the 7 cut values, just the middle between 2 of the computed alpha values */
+   for (aindex = 0; aindex < 7; aindex++) {
+      /* don't forget here is always rounded down */
+      acutValues[aindex] = (alphause[0] * (2*aindex + 1) + alphause[1] * (14 - (2*aindex + 1))) / 14;
+   }
+
+   for (j = 0; j < numypixels; j++) {
+      for (i = 0; i < numxpixels; i++) {
+         /* maybe it's overkill to have the most complicated calculation just for the error
+            calculation which we only need to figure out if encoding1 or encoding2 is better... */
+         if (srccolors[j][i] > acutValues[0]) {
+            alphaenc1[4*j + i] = 0;
+            alphadist = srccolors[j][i] - alphause[1];
+         }
+         else if (srccolors[j][i] > acutValues[1]) {
+            alphaenc1[4*j + i] = 2;
+            alphadist = srccolors[j][i] - (alphause[1] * 6 + alphause[0] * 1) / 7;
+         }
+         else if (srccolors[j][i] > acutValues[2]) {
+            alphaenc1[4*j + i] = 3;
+            alphadist = srccolors[j][i] - (alphause[1] * 5 + alphause[0] * 2) / 7;
+         }
+         else if (srccolors[j][i] > acutValues[3]) {
+            alphaenc1[4*j + i] = 4;
+            alphadist = srccolors[j][i] - (alphause[1] * 4 + alphause[0] * 3) / 7;
+         }
+         else if (srccolors[j][i] > acutValues[4]) {
+            alphaenc1[4*j + i] = 5;
+            alphadist = srccolors[j][i] - (alphause[1] * 3 + alphause[0] * 4) / 7;
+         }
+         else if (srccolors[j][i] > acutValues[5]) {
+            alphaenc1[4*j + i] = 6;
+            alphadist = srccolors[j][i] - (alphause[1] * 2 + alphause[0] * 5) / 7;
+         }
+         else if (srccolors[j][i] > acutValues[6]) {
+            alphaenc1[4*j + i] = 7;
+            alphadist = srccolors[j][i] - (alphause[1] * 1 + alphause[0] * 6) / 7;
+         }
+         else {
+            alphaenc1[4*j + i] = 1;
+            alphadist = srccolors[j][i] - alphause[0];
+         }
+         alphablockerror1 += alphadist * alphadist;
+      }
+   }
+#if RGTC_DEBUG
+   for (i = 0; i < 16; i++) {
+      fprintf(stderr, "%d ", alphaenc1[i]);
+   }
+   fprintf(stderr, "cutVals ");
+   for (i = 0; i < 8; i++) {
+      fprintf(stderr, "%d ", acutValues[i]);
+   }
+   fprintf(stderr, "srcVals ");
+   for (j = 0; j < numypixels; j++)
+      for (i = 0; i < numxpixels; i++) {
+	 fprintf(stderr, "%d ", srccolors[j][i]);
+      }
+   
+   fprintf(stderr, "\n");
+#endif
+
+   /* it's not very likely this encoding is better if both alphaabsmin and alphaabsmax
+      are false but try it anyway */
+   if (alphablockerror1 >= 32) {
+
+      /* don't bother if encoding is already very good, this condition should also imply
+      we have valid alphabase colors which we absolutely need (alphabase[0] <= alphabase[1]) */
+      alphablockerror2 = 0;
+      for (aindex = 0; aindex < 5; aindex++) {
+         /* don't forget here is always rounded down */
+         acutValues[aindex] = (alphabase[0] * (10 - (2*aindex + 1)) + alphabase[1] * (2*aindex + 1)) / 10;
+      }
+      for (j = 0; j < numypixels; j++) {
+         for (i = 0; i < numxpixels; i++) {
+             /* maybe it's overkill to have the most complicated calculation just for the error
+               calculation which we only need to figure out if encoding1 or encoding2 is better... */
+            if (srccolors[j][i] == 0) {
+               alphaenc2[4*j + i] = 6;
+               alphadist = 0;
+            }
+            else if (srccolors[j][i] == 255) {
+               alphaenc2[4*j + i] = 7;
+               alphadist = 0;
+            }
+            else if (srccolors[j][i] <= acutValues[0]) {
+               alphaenc2[4*j + i] = 0;
+               alphadist = srccolors[j][i] - alphabase[0];
+            }
+            else if (srccolors[j][i] <= acutValues[1]) {
+               alphaenc2[4*j + i] = 2;
+               alphadist = srccolors[j][i] - (alphabase[0] * 4 + alphabase[1] * 1) / 5;
+            }
+            else if (srccolors[j][i] <= acutValues[2]) {
+               alphaenc2[4*j + i] = 3;
+               alphadist = srccolors[j][i] - (alphabase[0] * 3 + alphabase[1] * 2) / 5;
+            }
+            else if (srccolors[j][i] <= acutValues[3]) {
+               alphaenc2[4*j + i] = 4;
+               alphadist = srccolors[j][i] - (alphabase[0] * 2 + alphabase[1] * 3) / 5;
+            }
+            else if (srccolors[j][i] <= acutValues[4]) {
+               alphaenc2[4*j + i] = 5;
+               alphadist = srccolors[j][i] - (alphabase[0] * 1 + alphabase[1] * 4) / 5;
+            }
+            else {
+               alphaenc2[4*j + i] = 1;
+               alphadist = srccolors[j][i] - alphabase[1];
+            }
+            alphablockerror2 += alphadist * alphadist;
+         }
+      }
+
+
+      /* skip this if the error is already very small
+         this encoding is MUCH better on average than #2 though, but expensive! */
+      if ((alphablockerror2 > 96) && (alphablockerror1 > 96)) {
+         GLshort blockerrlin1 = 0;
+         GLshort blockerrlin2 = 0;
+         GLubyte nralphainrangelow = 0;
+         GLubyte nralphainrangehigh = 0;
+         alphatest[0] = 0xff;
+         alphatest[1] = 0x0;
+         /* if we have large range it's likely there are values close to 0/255, try to map them to 0/255 */
+         for (j = 0; j < numypixels; j++) {
+            for (i = 0; i < numxpixels; i++) {
+               if ((srccolors[j][i] > alphatest[1]) && (srccolors[j][i] < (255 -(alphabase[1] - alphabase[0]) / 28)))
+                  alphatest[1] = srccolors[j][i];
+               if ((srccolors[j][i] < alphatest[0]) && (srccolors[j][i] > (alphabase[1] - alphabase[0]) / 28))
+                  alphatest[0] = srccolors[j][i];
+            }
+         }
+          /* shouldn't happen too often, don't really care about those degenerated cases */
+          if (alphatest[1] <= alphatest[0]) {
+             alphatest[0] = 1;
+             alphatest[1] = 254;
+         }
+         for (aindex = 0; aindex < 5; aindex++) {
+         /* don't forget here is always rounded down */
+            acutValues[aindex] = (alphatest[0] * (10 - (2*aindex + 1)) + alphatest[1] * (2*aindex + 1)) / 10;
+         }
+
+         /* find the "average" difference between the alpha values and the next encoded value.
+            This is then used to calculate new base values.
+            Should there be some weighting, i.e. those values closer to alphatest[x] have more weight,
+            since they will see more improvement, and also because the values in the middle are somewhat
+            likely to get no improvement at all (because the base values might move in different directions)?
+            OTOH it would mean the values in the middle are even less likely to get an improvement
+         */
+         for (j = 0; j < numypixels; j++) {
+            for (i = 0; i < numxpixels; i++) {
+               if (srccolors[j][i] <= alphatest[0] / 2) {
+               }
+               else if (srccolors[j][i] > ((255 + alphatest[1]) / 2)) {
+               }
+               else if (srccolors[j][i] <= acutValues[0]) {
+                  blockerrlin1 += (srccolors[j][i] - alphatest[0]);
+                  nralphainrangelow += 1;
+               }
+               else if (srccolors[j][i] <= acutValues[1]) {
+                  blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5);
+                  blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5);
+                  nralphainrangelow += 1;
+                  nralphainrangehigh += 1;
+               }
+               else if (srccolors[j][i] <= acutValues[2]) {
+                  blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5);
+                  blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5);
+                  nralphainrangelow += 1;
+                  nralphainrangehigh += 1;
+               }
+               else if (srccolors[j][i] <= acutValues[3]) {
+                  blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5);
+                  blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5);
+                  nralphainrangelow += 1;
+                  nralphainrangehigh += 1;
+               }
+               else if (srccolors[j][i] <= acutValues[4]) {
+                  blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5);
+                  blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5);
+                  nralphainrangelow += 1;
+                  nralphainrangehigh += 1;
+                  }
+               else {
+                  blockerrlin2 += (srccolors[j][i] - alphatest[1]);
+                  nralphainrangehigh += 1;
+               }
+            }
+         }
+         /* shouldn't happen often, needed to avoid div by zero */
+         if (nralphainrangelow == 0) nralphainrangelow = 1;
+         if (nralphainrangehigh == 0) nralphainrangehigh = 1;
+         alphatest[0] = alphatest[0] + (blockerrlin1 / nralphainrangelow);
+#if RGTC_DEBUG
+	 fprintf(stderr, "block err lin low %d, nr %d\n", blockerrlin1, nralphainrangelow);
+         fprintf(stderr, "block err lin high %d, nr %d\n", blockerrlin2, nralphainrangehigh);
+#endif
+         /* again shouldn't really happen often... */
+         if (alphatest[0] < 0) {
+            alphatest[0] = 0;
+         }
+         alphatest[1] = alphatest[1] + (blockerrlin2 / nralphainrangehigh);
+         if (alphatest[1] > 255) {
+            alphatest[1] = 255;
+         }
+
+         alphablockerror3 = 0;
+         for (aindex = 0; aindex < 5; aindex++) {
+         /* don't forget here is always rounded down */
+            acutValues[aindex] = (alphatest[0] * (10 - (2*aindex + 1)) + alphatest[1] * (2*aindex + 1)) / 10;
+         }
+         for (j = 0; j < numypixels; j++) {
+            for (i = 0; i < numxpixels; i++) {
+                /* maybe it's overkill to have the most complicated calculation just for the error
+                  calculation which we only need to figure out if encoding1 or encoding2 is better... */
+               if (srccolors[j][i] <= alphatest[0] / 2) {
+                  alphaenc3[4*j + i] = 6;
+                  alphadist = srccolors[j][i];
+               }
+               else if (srccolors[j][i] > ((255 + alphatest[1]) / 2)) {
+                  alphaenc3[4*j + i] = 7;
+                  alphadist = 255 - srccolors[j][i];
+               }
+               else if (srccolors[j][i] <= acutValues[0]) {
+                  alphaenc3[4*j + i] = 0;
+                  alphadist = srccolors[j][i] - alphatest[0];
+               }
+               else if (srccolors[j][i] <= acutValues[1]) {
+                 alphaenc3[4*j + i] = 2;
+                 alphadist = srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5;
+               }
+               else if (srccolors[j][i] <= acutValues[2]) {
+                  alphaenc3[4*j + i] = 3;
+                  alphadist = srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5;
+               }
+               else if (srccolors[j][i] <= acutValues[3]) {
+                  alphaenc3[4*j + i] = 4;
+                  alphadist = srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5;
+               }
+               else if (srccolors[j][i] <= acutValues[4]) {
+                  alphaenc3[4*j + i] = 5;
+                  alphadist = srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5;
+               }
+               else {
+                  alphaenc3[4*j + i] = 1;
+                  alphadist = srccolors[j][i] - alphatest[1];
+               }
+               alphablockerror3 += alphadist * alphadist;
+            }
+         }
+      }
+   }
+  /* write the alpha values and encoding back. */
+   if ((alphablockerror1 <= alphablockerror2) && (alphablockerror1 <= alphablockerror3)) {
+#if RGTC_DEBUG
+      if (alphablockerror1 > 96) fprintf(stderr, "enc1 used, error %d\n", alphablockerror1);
+#endif
+      write_rgtc_encoded_channel_s( blkaddr, alphause[1], alphause[0], alphaenc1 );
+   }
+   else if (alphablockerror2 <= alphablockerror3) {
+#if RGTC_DEBUG
+      if (alphablockerror2 > 96) fprintf(stderr, "enc2 used, error %d\n", alphablockerror2);
+#endif
+      write_rgtc_encoded_channel_s( blkaddr, alphabase[0], alphabase[1], alphaenc2 );
+   }
+   else {
+#if RGTC_DEBUG
+      fprintf(stderr, "enc3 used, error %d\n", alphablockerror3);
+#endif
+      write_rgtc_encoded_channel_s( blkaddr, (GLubyte)alphatest[0], (GLubyte)alphatest[1], alphaenc3 );
+   }
+}
diff --git a/mesalib/src/mesa/main/texcompress_rgtc.h b/mesalib/src/mesa/main/texcompress_rgtc.h
new file mode 100644
index 000000000..424edc458
--- /dev/null
+++ b/mesalib/src/mesa/main/texcompress_rgtc.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2011 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef TEXCOMPRESS_RGTC_H
+#define TEXCOMPRESS_RGTC_H
+
+#include "glheader.h"
+#include "mfeatures.h"
+#include "texstore.h"
+
+struct gl_texture_image;
+
+extern GLboolean
+_mesa_texstore_red_rgtc1(TEXSTORE_PARAMS);
+
+extern GLboolean
+_mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS);
+
+extern GLboolean
+_mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS);
+
+extern GLboolean
+_mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS);
+
+extern void
+_mesa_fetch_texel_2d_f_red_rgtc1(const struct gl_texture_image *texImage,
+				 GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_signed_red_rgtc1(const struct gl_texture_image *texImage,
+					GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_rg_rgtc2(const struct gl_texture_image *texImage,
+				 GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_signed_rg_rgtc2(const struct gl_texture_image *texImage,
+				       GLint i, GLint j, GLint k, GLfloat *texel);
+#endif
diff --git a/mesalib/src/mesa/main/texfetch.c b/mesalib/src/mesa/main/texfetch.c
index 1e7ea9480..550597e1c 100644
--- a/mesalib/src/mesa/main/texfetch.c
+++ b/mesalib/src/mesa/main/texfetch.c
@@ -1,893 +1,922 @@
-/*

- * Mesa 3-D graphics library

- * Version:  7.7

- *

- * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.

- * Copyright (c) 2009  VMware, Inc.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included

- * in all copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- */

-

-

-/**

- * \file texfetch.c

- *

- * Texel fetch/store functions

- *

- * \author Gareth Hughes

- */

-

-

-#include "colormac.h"

-#include "macros.h"

-#include "texcompress.h"

-#include "texcompress_fxt1.h"

-#include "texcompress_s3tc.h"

-#include "texfetch.h"

-#include "teximage.h"

-

-

-/**

- * Convert an 8-bit sRGB value from non-linear space to a

- * linear RGB value in [0, 1].

- * Implemented with a 256-entry lookup table.

- */

-static INLINE GLfloat

-nonlinear_to_linear(GLubyte cs8)

-{

-   static GLfloat table[256];

-   static GLboolean tableReady = GL_FALSE;

-   if (!tableReady) {

-      /* compute lookup table now */

-      GLuint i;

-      for (i = 0; i < 256; i++) {

-         const GLfloat cs = UBYTE_TO_FLOAT(i);

-         if (cs <= 0.04045) {

-            table[i] = cs / 12.92f;

-         }

-         else {

-            table[i] = (GLfloat) pow((cs + 0.055) / 1.055, 2.4);

-         }

-      }

-      tableReady = GL_TRUE;

-   }

-   return table[cs8];

-}

-

-

-

-/* Texel fetch routines for all supported formats

- */

-#define DIM 1

-#include "texfetch_tmp.h"

-

-#define DIM 2

-#include "texfetch_tmp.h"

-

-#define DIM 3

-#include "texfetch_tmp.h"

-

-/**

- * Null texel fetch function.

- *

- * Have to have this so the FetchTexel function pointer is never NULL.

- */

-static void fetch_null_texelf( const struct gl_texture_image *texImage,

-                               GLint i, GLint j, GLint k, GLfloat *texel )

-{

-   (void) texImage; (void) i; (void) j; (void) k;

-   texel[RCOMP] = 0.0;

-   texel[GCOMP] = 0.0;

-   texel[BCOMP] = 0.0;

-   texel[ACOMP] = 0.0;

-   _mesa_warning(NULL, "fetch_null_texelf() called!");

-}

-

-static void store_null_texel(struct gl_texture_image *texImage,

-                             GLint i, GLint j, GLint k, const void *texel)

-{

-   (void) texImage;

-   (void) i;

-   (void) j;

-   (void) k;

-   (void) texel;

-   /* no-op */

-}

-

-

-

-/**

- * Table to map MESA_FORMAT_ to texel fetch/store funcs.

- * XXX this is somewhat temporary.

- */

-static struct {

-   gl_format Name;

-   FetchTexelFuncF Fetch1D;

-   FetchTexelFuncF Fetch2D;

-   FetchTexelFuncF Fetch3D;

-   StoreTexelFunc StoreTexel;

-}

-texfetch_funcs[MESA_FORMAT_COUNT] =

-{

-   {

-      MESA_FORMAT_NONE,

-      fetch_null_texelf,

-      fetch_null_texelf,

-      fetch_null_texelf,

-      store_null_texel

-   },

-

-   {

-      MESA_FORMAT_RGBA8888,

-      fetch_texel_1d_f_rgba8888,

-      fetch_texel_2d_f_rgba8888,

-      fetch_texel_3d_f_rgba8888,

-      store_texel_rgba8888

-   },

-   {

-      MESA_FORMAT_RGBA8888_REV,

-      fetch_texel_1d_f_rgba8888_rev,

-      fetch_texel_2d_f_rgba8888_rev,

-      fetch_texel_3d_f_rgba8888_rev,

-      store_texel_rgba8888_rev

-   },

-   {

-      MESA_FORMAT_ARGB8888,

-      fetch_texel_1d_f_argb8888,

-      fetch_texel_2d_f_argb8888,

-      fetch_texel_3d_f_argb8888,

-      store_texel_argb8888

-   },

-   {

-      MESA_FORMAT_ARGB8888_REV,

-      fetch_texel_1d_f_argb8888_rev,

-      fetch_texel_2d_f_argb8888_rev,

-      fetch_texel_3d_f_argb8888_rev,

-      store_texel_argb8888_rev

-   },

-   {

-      MESA_FORMAT_XRGB8888,

-      fetch_texel_1d_f_xrgb8888,

-      fetch_texel_2d_f_xrgb8888,

-      fetch_texel_3d_f_xrgb8888,

-      store_texel_xrgb8888

-   },

-   {

-      MESA_FORMAT_XRGB8888_REV,

-      fetch_texel_1d_f_xrgb8888_rev,

-      fetch_texel_2d_f_xrgb8888_rev,

-      fetch_texel_3d_f_xrgb8888_rev,

-      store_texel_xrgb8888_rev,

-   },

-   {

-      MESA_FORMAT_RGB888,

-      fetch_texel_1d_f_rgb888,

-      fetch_texel_2d_f_rgb888,

-      fetch_texel_3d_f_rgb888,

-      store_texel_rgb888

-   },

-   {

-      MESA_FORMAT_BGR888,

-      fetch_texel_1d_f_bgr888,

-      fetch_texel_2d_f_bgr888,

-      fetch_texel_3d_f_bgr888,

-      store_texel_bgr888

-   },

-   {

-      MESA_FORMAT_RGB565,

-      fetch_texel_1d_f_rgb565,

-      fetch_texel_2d_f_rgb565,

-      fetch_texel_3d_f_rgb565,

-      store_texel_rgb565

-   },

-   {

-      MESA_FORMAT_RGB565_REV,

-      fetch_texel_1d_f_rgb565_rev,

-      fetch_texel_2d_f_rgb565_rev,

-      fetch_texel_3d_f_rgb565_rev,

-      store_texel_rgb565_rev

-   },

-   {

-      MESA_FORMAT_ARGB4444,

-      fetch_texel_1d_f_argb4444,

-      fetch_texel_2d_f_argb4444,

-      fetch_texel_3d_f_argb4444,

-      store_texel_argb4444

-   },

-   {

-      MESA_FORMAT_ARGB4444_REV,

-      fetch_texel_1d_f_argb4444_rev,

-      fetch_texel_2d_f_argb4444_rev,

-      fetch_texel_3d_f_argb4444_rev,

-      store_texel_argb4444_rev

-   },

-   {

-      MESA_FORMAT_RGBA5551,

-      fetch_texel_1d_f_rgba5551,

-      fetch_texel_2d_f_rgba5551,

-      fetch_texel_3d_f_rgba5551,

-      store_texel_rgba5551

-   },

-   {

-      MESA_FORMAT_ARGB1555,

-      fetch_texel_1d_f_argb1555,

-      fetch_texel_2d_f_argb1555,

-      fetch_texel_3d_f_argb1555,

-      store_texel_argb1555

-   },

-   {

-      MESA_FORMAT_ARGB1555_REV,

-      fetch_texel_1d_f_argb1555_rev,

-      fetch_texel_2d_f_argb1555_rev,

-      fetch_texel_3d_f_argb1555_rev,

-      store_texel_argb1555_rev

-   },

-   {

-      MESA_FORMAT_AL44,

-      fetch_texel_1d_f_al44,

-      fetch_texel_2d_f_al44,

-      fetch_texel_3d_f_al44,

-      store_texel_al44

-   },

-   {

-      MESA_FORMAT_AL88,

-      fetch_texel_1d_f_al88,

-      fetch_texel_2d_f_al88,

-      fetch_texel_3d_f_al88,

-      store_texel_al88

-   },

-   {

-      MESA_FORMAT_AL88_REV,

-      fetch_texel_1d_f_al88_rev,

-      fetch_texel_2d_f_al88_rev,

-      fetch_texel_3d_f_al88_rev,

-      store_texel_al88_rev

-   },

-   {

-      MESA_FORMAT_AL1616,

-      fetch_texel_1d_f_al1616,

-      fetch_texel_2d_f_al1616,

-      fetch_texel_3d_f_al1616,

-      store_texel_al1616

-   },

-   {

-      MESA_FORMAT_AL1616_REV,

-      fetch_texel_1d_f_al1616_rev,

-      fetch_texel_2d_f_al1616_rev,

-      fetch_texel_3d_f_al1616_rev,

-      store_texel_al1616_rev

-   },

-   {

-      MESA_FORMAT_RGB332,

-      fetch_texel_1d_f_rgb332,

-      fetch_texel_2d_f_rgb332,

-      fetch_texel_3d_f_rgb332,

-      store_texel_rgb332

-   },

-   {

-      MESA_FORMAT_A8,

-      fetch_texel_1d_f_a8,

-      fetch_texel_2d_f_a8,

-      fetch_texel_3d_f_a8,

-      store_texel_a8

-   },

-   {

-      MESA_FORMAT_A16,

-      fetch_texel_1d_f_a16,

-      fetch_texel_2d_f_a16,

-      fetch_texel_3d_f_a16,

-      store_texel_a16

-   },

-   {

-      MESA_FORMAT_L8,

-      fetch_texel_1d_f_l8,

-      fetch_texel_2d_f_l8,

-      fetch_texel_3d_f_l8,

-      store_texel_l8

-   },

-   {

-      MESA_FORMAT_L16,

-      fetch_texel_1d_f_l16,

-      fetch_texel_2d_f_l16,

-      fetch_texel_3d_f_l16,

-      store_texel_l16

-   },

-   {

-      MESA_FORMAT_I8,

-      fetch_texel_1d_f_i8,

-      fetch_texel_2d_f_i8,

-      fetch_texel_3d_f_i8,

-      store_texel_i8

-   },

-   {

-      MESA_FORMAT_I16,

-      fetch_texel_1d_f_i16,

-      fetch_texel_2d_f_i16,

-      fetch_texel_3d_f_i16,

-      store_texel_i16

-   },

-   {

-      MESA_FORMAT_CI8,

-      fetch_texel_1d_f_ci8,

-      fetch_texel_2d_f_ci8,

-      fetch_texel_3d_f_ci8,

-      store_texel_ci8

-   },

-   {

-      MESA_FORMAT_YCBCR,

-      fetch_texel_1d_f_ycbcr,

-      fetch_texel_2d_f_ycbcr,

-      fetch_texel_3d_f_ycbcr,

-      store_texel_ycbcr

-   },

-   {

-      MESA_FORMAT_YCBCR_REV,

-      fetch_texel_1d_f_ycbcr_rev,

-      fetch_texel_2d_f_ycbcr_rev,

-      fetch_texel_3d_f_ycbcr_rev,

-      store_texel_ycbcr_rev

-   },

-   {

-      MESA_FORMAT_R8,

-      fetch_texel_1d_f_r8,

-      fetch_texel_2d_f_r8,

-      fetch_texel_3d_f_r8,

-      store_texel_r8,

-   },

-   {

-      MESA_FORMAT_RG88,

-      fetch_texel_1d_f_rg88,

-      fetch_texel_2d_f_rg88,

-      fetch_texel_3d_f_rg88,

-      store_texel_rg88,

-   },

-   {

-      MESA_FORMAT_RG88_REV,

-      fetch_texel_1d_f_rg88_rev,

-      fetch_texel_2d_f_rg88_rev,

-      fetch_texel_3d_f_rg88_rev,

-      store_texel_rg88_rev,

-   },

-   {

-      MESA_FORMAT_R16,

-      fetch_texel_1d_f_r16,

-      fetch_texel_2d_f_r16,

-      fetch_texel_3d_f_r16,

-      store_texel_r16,

-   },

-   {

-      MESA_FORMAT_RG1616,

-      fetch_texel_1d_f_rg1616,

-      fetch_texel_2d_f_rg1616,

-      fetch_texel_3d_f_rg1616,

-      store_texel_rg1616,

-   },

-   {

-      MESA_FORMAT_RG1616_REV,

-      fetch_texel_1d_f_rg1616_rev,

-      fetch_texel_2d_f_rg1616_rev,

-      fetch_texel_3d_f_rg1616_rev,

-      store_texel_rg1616_rev,

-   },

-   {

-      MESA_FORMAT_ARGB2101010,

-      fetch_texel_1d_f_argb2101010,

-      fetch_texel_2d_f_argb2101010,

-      fetch_texel_3d_f_argb2101010,

-      store_texel_argb2101010

-   },

-   {

-      MESA_FORMAT_Z24_S8,

-      fetch_texel_1d_f_z24_s8,

-      fetch_texel_2d_f_z24_s8,

-      fetch_texel_3d_f_z24_s8,

-      store_texel_z24_s8

-   },

-   {

-      MESA_FORMAT_S8_Z24,

-      fetch_texel_1d_f_s8_z24,

-      fetch_texel_2d_f_s8_z24,

-      fetch_texel_3d_f_s8_z24,

-      store_texel_s8_z24

-   },

-   {

-      MESA_FORMAT_Z16,

-      fetch_texel_1d_f_z16,

-      fetch_texel_2d_f_z16,

-      fetch_texel_3d_f_z16,

-      store_texel_z16

-   },

-   {

-      MESA_FORMAT_X8_Z24,

-      fetch_texel_1d_f_s8_z24,

-      fetch_texel_2d_f_s8_z24,

-      fetch_texel_3d_f_s8_z24,

-      store_texel_s8_z24

-   },

-   {

-      MESA_FORMAT_Z24_X8,

-      fetch_texel_1d_f_z24_s8,

-      fetch_texel_2d_f_z24_s8,

-      fetch_texel_3d_f_z24_s8,

-      store_texel_z24_s8

-   },

-   {

-      MESA_FORMAT_Z32,

-      fetch_texel_1d_f_z32,

-      fetch_texel_2d_f_z32,

-      fetch_texel_3d_f_z32,

-      store_texel_z32

-   },

-   {

-      MESA_FORMAT_S8,

-      NULL,

-      NULL,

-      NULL,

-      NULL

-   },

-   {

-      MESA_FORMAT_SRGB8,

-      fetch_texel_1d_srgb8,

-      fetch_texel_2d_srgb8,

-      fetch_texel_3d_srgb8,

-      store_texel_srgb8

-   },

-   {

-      MESA_FORMAT_SRGBA8,

-      fetch_texel_1d_srgba8,

-      fetch_texel_2d_srgba8,

-      fetch_texel_3d_srgba8,

-      store_texel_srgba8

-   },

-   {

-      MESA_FORMAT_SARGB8,

-      fetch_texel_1d_sargb8,

-      fetch_texel_2d_sargb8,

-      fetch_texel_3d_sargb8,

-      store_texel_sargb8

-   },

-   {

-      MESA_FORMAT_SL8,

-      fetch_texel_1d_sl8,

-      fetch_texel_2d_sl8,

-      fetch_texel_3d_sl8,

-      store_texel_sl8

-   },

-   {

-      MESA_FORMAT_SLA8,

-      fetch_texel_1d_sla8,

-      fetch_texel_2d_sla8,

-      fetch_texel_3d_sla8,

-      store_texel_sla8

-   },

-   {

-      MESA_FORMAT_SRGB_DXT1,

-      NULL,

-      _mesa_fetch_texel_2d_f_srgb_dxt1,

-      NULL,

-      NULL

-   },

-   {

-      MESA_FORMAT_SRGBA_DXT1,

-      NULL,

-      _mesa_fetch_texel_2d_f_srgba_dxt1,

-      NULL,

-      NULL

-   },

-   {

-      MESA_FORMAT_SRGBA_DXT3,

-      NULL,

-      _mesa_fetch_texel_2d_f_srgba_dxt3,

-      NULL,

-      NULL

-   },

-   {

-      MESA_FORMAT_SRGBA_DXT5,

-      NULL,

-      _mesa_fetch_texel_2d_f_srgba_dxt5,

-      NULL,

-      NULL

-   },

-

-   {

-      MESA_FORMAT_RGB_FXT1,

-      NULL,

-      _mesa_fetch_texel_2d_f_rgb_fxt1,

-      NULL,

-      NULL

-   },

-   {

-      MESA_FORMAT_RGBA_FXT1,

-      NULL,

-      _mesa_fetch_texel_2d_f_rgba_fxt1,

-      NULL,

-      NULL

-   },

-   {

-      MESA_FORMAT_RGB_DXT1,

-      NULL,

-      _mesa_fetch_texel_2d_f_rgb_dxt1,

-      NULL,

-      NULL

-   },

-   {

-      MESA_FORMAT_RGBA_DXT1,

-      NULL,

-      _mesa_fetch_texel_2d_f_rgba_dxt1,

-      NULL,

-      NULL

-   },

-   {

-      MESA_FORMAT_RGBA_DXT3,

-      NULL,

-      _mesa_fetch_texel_2d_f_rgba_dxt3,

-      NULL,

-      NULL

-   },

-   {

-      MESA_FORMAT_RGBA_DXT5,

-      NULL,

-      _mesa_fetch_texel_2d_f_rgba_dxt5,

-      NULL,

-      NULL

-   },

-   {

-      MESA_FORMAT_RGBA_FLOAT32,

-      fetch_texel_1d_f_rgba_f32,

-      fetch_texel_2d_f_rgba_f32,

-      fetch_texel_3d_f_rgba_f32,

-      store_texel_rgba_f32

-   },

-   {

-      MESA_FORMAT_RGBA_FLOAT16,

-      fetch_texel_1d_f_rgba_f16,

-      fetch_texel_2d_f_rgba_f16,

-      fetch_texel_3d_f_rgba_f16,

-      store_texel_rgba_f16

-   },

-   {

-      MESA_FORMAT_RGB_FLOAT32,

-      fetch_texel_1d_f_rgb_f32,

-      fetch_texel_2d_f_rgb_f32,

-      fetch_texel_3d_f_rgb_f32,

-      store_texel_rgb_f32

-   },

-   {

-      MESA_FORMAT_RGB_FLOAT16,

-      fetch_texel_1d_f_rgb_f16,

-      fetch_texel_2d_f_rgb_f16,

-      fetch_texel_3d_f_rgb_f16,

-      store_texel_rgb_f16

-   },

-   {

-      MESA_FORMAT_ALPHA_FLOAT32,

-      fetch_texel_1d_f_alpha_f32,

-      fetch_texel_2d_f_alpha_f32,

-      fetch_texel_3d_f_alpha_f32,

-      store_texel_alpha_f32

-   },

-   {

-      MESA_FORMAT_ALPHA_FLOAT16,

-      fetch_texel_1d_f_alpha_f16,

-      fetch_texel_2d_f_alpha_f16,

-      fetch_texel_3d_f_alpha_f16,

-      store_texel_alpha_f16

-   },

-   {

-      MESA_FORMAT_LUMINANCE_FLOAT32,

-      fetch_texel_1d_f_luminance_f32,

-      fetch_texel_2d_f_luminance_f32,

-      fetch_texel_3d_f_luminance_f32,

-      store_texel_luminance_f32

-   },

-   {

-      MESA_FORMAT_LUMINANCE_FLOAT16,

-      fetch_texel_1d_f_luminance_f16,

-      fetch_texel_2d_f_luminance_f16,

-      fetch_texel_3d_f_luminance_f16,

-      store_texel_luminance_f16

-   },

-   {

-      MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,

-      fetch_texel_1d_f_luminance_alpha_f32,

-      fetch_texel_2d_f_luminance_alpha_f32,

-      fetch_texel_3d_f_luminance_alpha_f32,

-      store_texel_luminance_alpha_f32

-   },

-   {

-      MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,

-      fetch_texel_1d_f_luminance_alpha_f16,

-      fetch_texel_2d_f_luminance_alpha_f16,

-      fetch_texel_3d_f_luminance_alpha_f16,

-      store_texel_luminance_alpha_f16

-   },

-   {

-      MESA_FORMAT_INTENSITY_FLOAT32,

-      fetch_texel_1d_f_intensity_f32,

-      fetch_texel_2d_f_intensity_f32,

-      fetch_texel_3d_f_intensity_f32,

-      store_texel_intensity_f32

-   },

-   {

-      MESA_FORMAT_INTENSITY_FLOAT16,

-      fetch_texel_1d_f_intensity_f16,

-      fetch_texel_2d_f_intensity_f16,

-      fetch_texel_3d_f_intensity_f16,

-      store_texel_intensity_f16

-   },

-

-   /* non-normalized, signed int */

-   {

-      MESA_FORMAT_RGBA_INT8,

-      fetch_texel_1d_rgba_int8,

-      fetch_texel_2d_rgba_int8,

-      fetch_texel_3d_rgba_int8,

-      store_texel_rgba_int8

-   },

-   {

-      MESA_FORMAT_RGBA_INT16,

-      fetch_texel_1d_rgba_int16,

-      fetch_texel_2d_rgba_int16,

-      fetch_texel_3d_rgba_int16,

-      store_texel_rgba_int16

-   },

-   {

-      MESA_FORMAT_RGBA_INT32,

-      fetch_texel_1d_rgba_int32,

-      fetch_texel_2d_rgba_int32,

-      fetch_texel_3d_rgba_int32,

-      store_texel_rgba_int32

-   },

-

-   /* non-normalized, unsigned int */

-   {

-      MESA_FORMAT_RGBA_UINT8,

-      fetch_texel_1d_rgba_uint8,

-      fetch_texel_2d_rgba_uint8,

-      fetch_texel_3d_rgba_uint8,

-      store_texel_rgba_uint8

-   },

-   {

-      MESA_FORMAT_RGBA_UINT16,

-      fetch_texel_1d_rgba_uint16,

-      fetch_texel_2d_rgba_uint16,

-      fetch_texel_3d_rgba_uint16,

-      store_texel_rgba_uint16

-   },

-   {

-      MESA_FORMAT_RGBA_UINT32,

-      fetch_texel_1d_rgba_uint32,

-      fetch_texel_2d_rgba_uint32,

-      fetch_texel_3d_rgba_uint32,

-      store_texel_rgba_uint32

-   },

-

-   /* dudv */

-   {

-      MESA_FORMAT_DUDV8,

-      fetch_texel_1d_dudv8,

-      fetch_texel_2d_dudv8,

-      fetch_texel_3d_dudv8,

-      NULL

-   },

-

-   /* signed, normalized */

-   {

-      MESA_FORMAT_SIGNED_R8,

-      fetch_texel_1d_signed_r8,

-      fetch_texel_2d_signed_r8,

-      fetch_texel_3d_signed_r8,

-      store_texel_signed_r8

-   },

-   {

-      MESA_FORMAT_SIGNED_RG88,

-      fetch_texel_1d_signed_rg88,

-      fetch_texel_2d_signed_rg88,

-      fetch_texel_3d_signed_rg88,

-      store_texel_signed_rg88

-   },

-   {

-      MESA_FORMAT_SIGNED_RGBX8888,

-      fetch_texel_1d_signed_rgbx8888,

-      fetch_texel_2d_signed_rgbx8888,

-      fetch_texel_3d_signed_rgbx8888,

-      store_texel_signed_rgbx8888

-   },

-   {

-      MESA_FORMAT_SIGNED_RGBA8888,

-      fetch_texel_1d_signed_rgba8888,

-      fetch_texel_2d_signed_rgba8888,

-      fetch_texel_3d_signed_rgba8888,

-      store_texel_signed_rgba8888

-   },

-   {

-      MESA_FORMAT_SIGNED_RGBA8888_REV,

-      fetch_texel_1d_signed_rgba8888_rev,

-      fetch_texel_2d_signed_rgba8888_rev,

-      fetch_texel_3d_signed_rgba8888_rev,

-      store_texel_signed_rgba8888_rev

-   },

-   {

-      MESA_FORMAT_SIGNED_R_16,

-      fetch_texel_1d_signed_r_16,

-      fetch_texel_2d_signed_r_16,

-      fetch_texel_3d_signed_r_16,

-      store_texel_signed_r_16

-   },

-   {

-      MESA_FORMAT_SIGNED_RG_16,

-      fetch_texel_1d_signed_rg_16,

-      fetch_texel_2d_signed_rg_16,

-      fetch_texel_3d_signed_rg_16,

-      store_texel_signed_rg_16

-   },

-   {

-      MESA_FORMAT_SIGNED_RGB_16,

-      fetch_texel_1d_signed_rgb_16,

-      fetch_texel_2d_signed_rgb_16,

-      fetch_texel_3d_signed_rgb_16,

-      store_texel_signed_rgb_16

-   },

-   {

-      MESA_FORMAT_SIGNED_RGBA_16,

-      fetch_texel_1d_signed_rgba_16,

-      fetch_texel_2d_signed_rgba_16,

-      fetch_texel_3d_signed_rgba_16,

-      store_texel_signed_rgba_16

-   },

-   {

-      MESA_FORMAT_RGBA_16,

-      fetch_texel_1d_rgba_16,

-      fetch_texel_2d_rgba_16,

-      fetch_texel_3d_rgba_16,

-      store_texel_rgba_16

-   }

-};

-

-

-FetchTexelFuncF

-_mesa_get_texel_fetch_func(gl_format format, GLuint dims)

-{

-#ifdef DEBUG

-   /* check that the table entries are sorted by format name */

-   gl_format fmt;

-   for (fmt = 0; fmt < MESA_FORMAT_COUNT; fmt++) {

-      assert(texfetch_funcs[fmt].Name == fmt);

-   }

-#endif

-

-   assert(Elements(texfetch_funcs) == MESA_FORMAT_COUNT);

-   assert(format < MESA_FORMAT_COUNT);

-

-   switch (dims) {

-   case 1:

-      return texfetch_funcs[format].Fetch1D;

-   case 2:

-      return texfetch_funcs[format].Fetch2D;

-   case 3:

-      return texfetch_funcs[format].Fetch3D;

-   default:

-      assert(0 && "bad dims in _mesa_get_texel_fetch_func");

-      return NULL;

-   }

-}

-

-

-StoreTexelFunc

-_mesa_get_texel_store_func(gl_format format)

-{

-   assert(format < MESA_FORMAT_COUNT);

-   return texfetch_funcs[format].StoreTexel;

-}

-

-

-/**

- * Adaptor for fetching a GLchan texel from a float-valued texture.

- */

-static void

-fetch_texel_float_to_chan(const struct gl_texture_image *texImage,

-                          GLint i, GLint j, GLint k, GLchan *texelOut)

-{

-   GLfloat temp[4];

-   GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat);

-

-   ASSERT(texImage->FetchTexelf);

-   texImage->FetchTexelf(texImage, i, j, k, temp);

-   if (baseFormat == GL_DEPTH_COMPONENT ||

-       baseFormat == GL_DEPTH_STENCIL_EXT) {

-      /* just one channel */

-      UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);

-   }

-   else {

-      /* four channels */

-      UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);

-      UNCLAMPED_FLOAT_TO_CHAN(texelOut[1], temp[1]);

-      UNCLAMPED_FLOAT_TO_CHAN(texelOut[2], temp[2]);

-      UNCLAMPED_FLOAT_TO_CHAN(texelOut[3], temp[3]);

-   }

-}

-

-

-#if 0

-/**

- * Adaptor for fetching a float texel from a GLchan-valued texture.

- */

-static void

-fetch_texel_chan_to_float(const struct gl_texture_image *texImage,

-                          GLint i, GLint j, GLint k, GLfloat *texelOut)

-{

-   GLchan temp[4];

-   GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat);

-

-   ASSERT(texImage->FetchTexelc);

-   texImage->FetchTexelc(texImage, i, j, k, temp);

-   if (baseFormat == GL_DEPTH_COMPONENT ||

-       baseFormat == GL_DEPTH_STENCIL_EXT) {

-      /* just one channel */

-      texelOut[0] = CHAN_TO_FLOAT(temp[0]);

-   }

-   else {

-      /* four channels */

-      texelOut[0] = CHAN_TO_FLOAT(temp[0]);

-      texelOut[1] = CHAN_TO_FLOAT(temp[1]);

-      texelOut[2] = CHAN_TO_FLOAT(temp[2]);

-      texelOut[3] = CHAN_TO_FLOAT(temp[3]);

-   }

-}

-#endif

-

-

-/**

- * Initialize the texture image's FetchTexelc and FetchTexelf methods.

- */

-void

-_mesa_set_fetch_functions(struct gl_texture_image *texImage, GLuint dims)

-{

-   gl_format format = texImage->TexFormat;

-

-   ASSERT(dims == 1 || dims == 2 || dims == 3);

-

-   if (texImage->TexObject->sRGBDecode == GL_SKIP_DECODE_EXT &&

-       _mesa_get_format_color_encoding(format) == GL_SRGB) {

-      format = _mesa_get_srgb_format_linear(format);

-   }

-

-   texImage->FetchTexelf = _mesa_get_texel_fetch_func(format, dims);

-

-   texImage->FetchTexelc = fetch_texel_float_to_chan;

-

-   ASSERT(texImage->FetchTexelc);

-   ASSERT(texImage->FetchTexelf);

-}

-

-void

-_mesa_update_fetch_functions(struct gl_texture_object *texObj)

-{

-   GLuint face, i;

-   GLuint dims;

-

-   dims = _mesa_get_texture_dimensions(texObj->Target);

-

-   for (face = 0; face < 6; face++) {

-      for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {

-         if (texObj->Image[face][i]) {

-	    _mesa_set_fetch_functions(texObj->Image[face][i], dims);

-         }

-      }

-   }

-}

+/*
+ * Mesa 3-D graphics library
+ * Version:  7.7
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (c) 2009  VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file texfetch.c
+ *
+ * Texel fetch/store functions
+ *
+ * \author Gareth Hughes
+ */
+
+
+#include "colormac.h"
+#include "macros.h"
+#include "texcompress.h"
+#include "texcompress_fxt1.h"
+#include "texcompress_s3tc.h"
+#include "texcompress_rgtc.h"
+#include "texfetch.h"
+#include "teximage.h"
+
+
+/**
+ * Convert an 8-bit sRGB value from non-linear space to a
+ * linear RGB value in [0, 1].
+ * Implemented with a 256-entry lookup table.
+ */
+static INLINE GLfloat
+nonlinear_to_linear(GLubyte cs8)
+{
+   static GLfloat table[256];
+   static GLboolean tableReady = GL_FALSE;
+   if (!tableReady) {
+      /* compute lookup table now */
+      GLuint i;
+      for (i = 0; i < 256; i++) {
+         const GLfloat cs = UBYTE_TO_FLOAT(i);
+         if (cs <= 0.04045) {
+            table[i] = cs / 12.92f;
+         }
+         else {
+            table[i] = (GLfloat) pow((cs + 0.055) / 1.055, 2.4);
+         }
+      }
+      tableReady = GL_TRUE;
+   }
+   return table[cs8];
+}
+
+
+
+/* Texel fetch routines for all supported formats
+ */
+#define DIM 1
+#include "texfetch_tmp.h"
+
+#define DIM 2
+#include "texfetch_tmp.h"
+
+#define DIM 3
+#include "texfetch_tmp.h"
+
+/**
+ * Null texel fetch function.
+ *
+ * Have to have this so the FetchTexel function pointer is never NULL.
+ */
+static void fetch_null_texelf( const struct gl_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   (void) texImage; (void) i; (void) j; (void) k;
+   texel[RCOMP] = 0.0;
+   texel[GCOMP] = 0.0;
+   texel[BCOMP] = 0.0;
+   texel[ACOMP] = 0.0;
+   _mesa_warning(NULL, "fetch_null_texelf() called!");
+}
+
+static void store_null_texel(struct gl_texture_image *texImage,
+                             GLint i, GLint j, GLint k, const void *texel)
+{
+   (void) texImage;
+   (void) i;
+   (void) j;
+   (void) k;
+   (void) texel;
+   /* no-op */
+}
+
+
+
+/**
+ * Table to map MESA_FORMAT_ to texel fetch/store funcs.
+ * XXX this is somewhat temporary.
+ */
+static struct {
+   gl_format Name;
+   FetchTexelFuncF Fetch1D;
+   FetchTexelFuncF Fetch2D;
+   FetchTexelFuncF Fetch3D;
+   StoreTexelFunc StoreTexel;
+}
+texfetch_funcs[MESA_FORMAT_COUNT] =
+{
+   {
+      MESA_FORMAT_NONE,
+      fetch_null_texelf,
+      fetch_null_texelf,
+      fetch_null_texelf,
+      store_null_texel
+   },
+
+   {
+      MESA_FORMAT_RGBA8888,
+      fetch_texel_1d_f_rgba8888,
+      fetch_texel_2d_f_rgba8888,
+      fetch_texel_3d_f_rgba8888,
+      store_texel_rgba8888
+   },
+   {
+      MESA_FORMAT_RGBA8888_REV,
+      fetch_texel_1d_f_rgba8888_rev,
+      fetch_texel_2d_f_rgba8888_rev,
+      fetch_texel_3d_f_rgba8888_rev,
+      store_texel_rgba8888_rev
+   },
+   {
+      MESA_FORMAT_ARGB8888,
+      fetch_texel_1d_f_argb8888,
+      fetch_texel_2d_f_argb8888,
+      fetch_texel_3d_f_argb8888,
+      store_texel_argb8888
+   },
+   {
+      MESA_FORMAT_ARGB8888_REV,
+      fetch_texel_1d_f_argb8888_rev,
+      fetch_texel_2d_f_argb8888_rev,
+      fetch_texel_3d_f_argb8888_rev,
+      store_texel_argb8888_rev
+   },
+   {
+      MESA_FORMAT_XRGB8888,
+      fetch_texel_1d_f_xrgb8888,
+      fetch_texel_2d_f_xrgb8888,
+      fetch_texel_3d_f_xrgb8888,
+      store_texel_xrgb8888
+   },
+   {
+      MESA_FORMAT_XRGB8888_REV,
+      fetch_texel_1d_f_xrgb8888_rev,
+      fetch_texel_2d_f_xrgb8888_rev,
+      fetch_texel_3d_f_xrgb8888_rev,
+      store_texel_xrgb8888_rev,
+   },
+   {
+      MESA_FORMAT_RGB888,
+      fetch_texel_1d_f_rgb888,
+      fetch_texel_2d_f_rgb888,
+      fetch_texel_3d_f_rgb888,
+      store_texel_rgb888
+   },
+   {
+      MESA_FORMAT_BGR888,
+      fetch_texel_1d_f_bgr888,
+      fetch_texel_2d_f_bgr888,
+      fetch_texel_3d_f_bgr888,
+      store_texel_bgr888
+   },
+   {
+      MESA_FORMAT_RGB565,
+      fetch_texel_1d_f_rgb565,
+      fetch_texel_2d_f_rgb565,
+      fetch_texel_3d_f_rgb565,
+      store_texel_rgb565
+   },
+   {
+      MESA_FORMAT_RGB565_REV,
+      fetch_texel_1d_f_rgb565_rev,
+      fetch_texel_2d_f_rgb565_rev,
+      fetch_texel_3d_f_rgb565_rev,
+      store_texel_rgb565_rev
+   },
+   {
+      MESA_FORMAT_ARGB4444,
+      fetch_texel_1d_f_argb4444,
+      fetch_texel_2d_f_argb4444,
+      fetch_texel_3d_f_argb4444,
+      store_texel_argb4444
+   },
+   {
+      MESA_FORMAT_ARGB4444_REV,
+      fetch_texel_1d_f_argb4444_rev,
+      fetch_texel_2d_f_argb4444_rev,
+      fetch_texel_3d_f_argb4444_rev,
+      store_texel_argb4444_rev
+   },
+   {
+      MESA_FORMAT_RGBA5551,
+      fetch_texel_1d_f_rgba5551,
+      fetch_texel_2d_f_rgba5551,
+      fetch_texel_3d_f_rgba5551,
+      store_texel_rgba5551
+   },
+   {
+      MESA_FORMAT_ARGB1555,
+      fetch_texel_1d_f_argb1555,
+      fetch_texel_2d_f_argb1555,
+      fetch_texel_3d_f_argb1555,
+      store_texel_argb1555
+   },
+   {
+      MESA_FORMAT_ARGB1555_REV,
+      fetch_texel_1d_f_argb1555_rev,
+      fetch_texel_2d_f_argb1555_rev,
+      fetch_texel_3d_f_argb1555_rev,
+      store_texel_argb1555_rev
+   },
+   {
+      MESA_FORMAT_AL44,
+      fetch_texel_1d_f_al44,
+      fetch_texel_2d_f_al44,
+      fetch_texel_3d_f_al44,
+      store_texel_al44
+   },
+   {
+      MESA_FORMAT_AL88,
+      fetch_texel_1d_f_al88,
+      fetch_texel_2d_f_al88,
+      fetch_texel_3d_f_al88,
+      store_texel_al88
+   },
+   {
+      MESA_FORMAT_AL88_REV,
+      fetch_texel_1d_f_al88_rev,
+      fetch_texel_2d_f_al88_rev,
+      fetch_texel_3d_f_al88_rev,
+      store_texel_al88_rev
+   },
+   {
+      MESA_FORMAT_AL1616,
+      fetch_texel_1d_f_al1616,
+      fetch_texel_2d_f_al1616,
+      fetch_texel_3d_f_al1616,
+      store_texel_al1616
+   },
+   {
+      MESA_FORMAT_AL1616_REV,
+      fetch_texel_1d_f_al1616_rev,
+      fetch_texel_2d_f_al1616_rev,
+      fetch_texel_3d_f_al1616_rev,
+      store_texel_al1616_rev
+   },
+   {
+      MESA_FORMAT_RGB332,
+      fetch_texel_1d_f_rgb332,
+      fetch_texel_2d_f_rgb332,
+      fetch_texel_3d_f_rgb332,
+      store_texel_rgb332
+   },
+   {
+      MESA_FORMAT_A8,
+      fetch_texel_1d_f_a8,
+      fetch_texel_2d_f_a8,
+      fetch_texel_3d_f_a8,
+      store_texel_a8
+   },
+   {
+      MESA_FORMAT_A16,
+      fetch_texel_1d_f_a16,
+      fetch_texel_2d_f_a16,
+      fetch_texel_3d_f_a16,
+      store_texel_a16
+   },
+   {
+      MESA_FORMAT_L8,
+      fetch_texel_1d_f_l8,
+      fetch_texel_2d_f_l8,
+      fetch_texel_3d_f_l8,
+      store_texel_l8
+   },
+   {
+      MESA_FORMAT_L16,
+      fetch_texel_1d_f_l16,
+      fetch_texel_2d_f_l16,
+      fetch_texel_3d_f_l16,
+      store_texel_l16
+   },
+   {
+      MESA_FORMAT_I8,
+      fetch_texel_1d_f_i8,
+      fetch_texel_2d_f_i8,
+      fetch_texel_3d_f_i8,
+      store_texel_i8
+   },
+   {
+      MESA_FORMAT_I16,
+      fetch_texel_1d_f_i16,
+      fetch_texel_2d_f_i16,
+      fetch_texel_3d_f_i16,
+      store_texel_i16
+   },
+   {
+      MESA_FORMAT_CI8,
+      fetch_texel_1d_f_ci8,
+      fetch_texel_2d_f_ci8,
+      fetch_texel_3d_f_ci8,
+      store_texel_ci8
+   },
+   {
+      MESA_FORMAT_YCBCR,
+      fetch_texel_1d_f_ycbcr,
+      fetch_texel_2d_f_ycbcr,
+      fetch_texel_3d_f_ycbcr,
+      store_texel_ycbcr
+   },
+   {
+      MESA_FORMAT_YCBCR_REV,
+      fetch_texel_1d_f_ycbcr_rev,
+      fetch_texel_2d_f_ycbcr_rev,
+      fetch_texel_3d_f_ycbcr_rev,
+      store_texel_ycbcr_rev
+   },
+   {
+      MESA_FORMAT_R8,
+      fetch_texel_1d_f_r8,
+      fetch_texel_2d_f_r8,
+      fetch_texel_3d_f_r8,
+      store_texel_r8,
+   },
+   {
+      MESA_FORMAT_RG88,
+      fetch_texel_1d_f_rg88,
+      fetch_texel_2d_f_rg88,
+      fetch_texel_3d_f_rg88,
+      store_texel_rg88,
+   },
+   {
+      MESA_FORMAT_RG88_REV,
+      fetch_texel_1d_f_rg88_rev,
+      fetch_texel_2d_f_rg88_rev,
+      fetch_texel_3d_f_rg88_rev,
+      store_texel_rg88_rev,
+   },
+   {
+      MESA_FORMAT_R16,
+      fetch_texel_1d_f_r16,
+      fetch_texel_2d_f_r16,
+      fetch_texel_3d_f_r16,
+      store_texel_r16,
+   },
+   {
+      MESA_FORMAT_RG1616,
+      fetch_texel_1d_f_rg1616,
+      fetch_texel_2d_f_rg1616,
+      fetch_texel_3d_f_rg1616,
+      store_texel_rg1616,
+   },
+   {
+      MESA_FORMAT_RG1616_REV,
+      fetch_texel_1d_f_rg1616_rev,
+      fetch_texel_2d_f_rg1616_rev,
+      fetch_texel_3d_f_rg1616_rev,
+      store_texel_rg1616_rev,
+   },
+   {
+      MESA_FORMAT_ARGB2101010,
+      fetch_texel_1d_f_argb2101010,
+      fetch_texel_2d_f_argb2101010,
+      fetch_texel_3d_f_argb2101010,
+      store_texel_argb2101010
+   },
+   {
+      MESA_FORMAT_Z24_S8,
+      fetch_texel_1d_f_z24_s8,
+      fetch_texel_2d_f_z24_s8,
+      fetch_texel_3d_f_z24_s8,
+      store_texel_z24_s8
+   },
+   {
+      MESA_FORMAT_S8_Z24,
+      fetch_texel_1d_f_s8_z24,
+      fetch_texel_2d_f_s8_z24,
+      fetch_texel_3d_f_s8_z24,
+      store_texel_s8_z24
+   },
+   {
+      MESA_FORMAT_Z16,
+      fetch_texel_1d_f_z16,
+      fetch_texel_2d_f_z16,
+      fetch_texel_3d_f_z16,
+      store_texel_z16
+   },
+   {
+      MESA_FORMAT_X8_Z24,
+      fetch_texel_1d_f_s8_z24,
+      fetch_texel_2d_f_s8_z24,
+      fetch_texel_3d_f_s8_z24,
+      store_texel_s8_z24
+   },
+   {
+      MESA_FORMAT_Z24_X8,
+      fetch_texel_1d_f_z24_s8,
+      fetch_texel_2d_f_z24_s8,
+      fetch_texel_3d_f_z24_s8,
+      store_texel_z24_s8
+   },
+   {
+      MESA_FORMAT_Z32,
+      fetch_texel_1d_f_z32,
+      fetch_texel_2d_f_z32,
+      fetch_texel_3d_f_z32,
+      store_texel_z32
+   },
+   {
+      MESA_FORMAT_S8,
+      NULL,
+      NULL,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SRGB8,
+      fetch_texel_1d_srgb8,
+      fetch_texel_2d_srgb8,
+      fetch_texel_3d_srgb8,
+      store_texel_srgb8
+   },
+   {
+      MESA_FORMAT_SRGBA8,
+      fetch_texel_1d_srgba8,
+      fetch_texel_2d_srgba8,
+      fetch_texel_3d_srgba8,
+      store_texel_srgba8
+   },
+   {
+      MESA_FORMAT_SARGB8,
+      fetch_texel_1d_sargb8,
+      fetch_texel_2d_sargb8,
+      fetch_texel_3d_sargb8,
+      store_texel_sargb8
+   },
+   {
+      MESA_FORMAT_SL8,
+      fetch_texel_1d_sl8,
+      fetch_texel_2d_sl8,
+      fetch_texel_3d_sl8,
+      store_texel_sl8
+   },
+   {
+      MESA_FORMAT_SLA8,
+      fetch_texel_1d_sla8,
+      fetch_texel_2d_sla8,
+      fetch_texel_3d_sla8,
+      store_texel_sla8
+   },
+   {
+      MESA_FORMAT_SRGB_DXT1,
+      NULL,
+      _mesa_fetch_texel_2d_f_srgb_dxt1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SRGBA_DXT1,
+      NULL,
+      _mesa_fetch_texel_2d_f_srgba_dxt1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SRGBA_DXT3,
+      NULL,
+      _mesa_fetch_texel_2d_f_srgba_dxt3,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SRGBA_DXT5,
+      NULL,
+      _mesa_fetch_texel_2d_f_srgba_dxt5,
+      NULL,
+      NULL
+   },
+
+   {
+      MESA_FORMAT_RGB_FXT1,
+      NULL,
+      _mesa_fetch_texel_2d_f_rgb_fxt1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RGBA_FXT1,
+      NULL,
+      _mesa_fetch_texel_2d_f_rgba_fxt1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RGB_DXT1,
+      NULL,
+      _mesa_fetch_texel_2d_f_rgb_dxt1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RGBA_DXT1,
+      NULL,
+      _mesa_fetch_texel_2d_f_rgba_dxt1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RGBA_DXT3,
+      NULL,
+      _mesa_fetch_texel_2d_f_rgba_dxt3,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RGBA_DXT5,
+      NULL,
+      _mesa_fetch_texel_2d_f_rgba_dxt5,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RGBA_FLOAT32,
+      fetch_texel_1d_f_rgba_f32,
+      fetch_texel_2d_f_rgba_f32,
+      fetch_texel_3d_f_rgba_f32,
+      store_texel_rgba_f32
+   },
+   {
+      MESA_FORMAT_RGBA_FLOAT16,
+      fetch_texel_1d_f_rgba_f16,
+      fetch_texel_2d_f_rgba_f16,
+      fetch_texel_3d_f_rgba_f16,
+      store_texel_rgba_f16
+   },
+   {
+      MESA_FORMAT_RGB_FLOAT32,
+      fetch_texel_1d_f_rgb_f32,
+      fetch_texel_2d_f_rgb_f32,
+      fetch_texel_3d_f_rgb_f32,
+      store_texel_rgb_f32
+   },
+   {
+      MESA_FORMAT_RGB_FLOAT16,
+      fetch_texel_1d_f_rgb_f16,
+      fetch_texel_2d_f_rgb_f16,
+      fetch_texel_3d_f_rgb_f16,
+      store_texel_rgb_f16
+   },
+   {
+      MESA_FORMAT_ALPHA_FLOAT32,
+      fetch_texel_1d_f_alpha_f32,
+      fetch_texel_2d_f_alpha_f32,
+      fetch_texel_3d_f_alpha_f32,
+      store_texel_alpha_f32
+   },
+   {
+      MESA_FORMAT_ALPHA_FLOAT16,
+      fetch_texel_1d_f_alpha_f16,
+      fetch_texel_2d_f_alpha_f16,
+      fetch_texel_3d_f_alpha_f16,
+      store_texel_alpha_f16
+   },
+   {
+      MESA_FORMAT_LUMINANCE_FLOAT32,
+      fetch_texel_1d_f_luminance_f32,
+      fetch_texel_2d_f_luminance_f32,
+      fetch_texel_3d_f_luminance_f32,
+      store_texel_luminance_f32
+   },
+   {
+      MESA_FORMAT_LUMINANCE_FLOAT16,
+      fetch_texel_1d_f_luminance_f16,
+      fetch_texel_2d_f_luminance_f16,
+      fetch_texel_3d_f_luminance_f16,
+      store_texel_luminance_f16
+   },
+   {
+      MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
+      fetch_texel_1d_f_luminance_alpha_f32,
+      fetch_texel_2d_f_luminance_alpha_f32,
+      fetch_texel_3d_f_luminance_alpha_f32,
+      store_texel_luminance_alpha_f32
+   },
+   {
+      MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
+      fetch_texel_1d_f_luminance_alpha_f16,
+      fetch_texel_2d_f_luminance_alpha_f16,
+      fetch_texel_3d_f_luminance_alpha_f16,
+      store_texel_luminance_alpha_f16
+   },
+   {
+      MESA_FORMAT_INTENSITY_FLOAT32,
+      fetch_texel_1d_f_intensity_f32,
+      fetch_texel_2d_f_intensity_f32,
+      fetch_texel_3d_f_intensity_f32,
+      store_texel_intensity_f32
+   },
+   {
+      MESA_FORMAT_INTENSITY_FLOAT16,
+      fetch_texel_1d_f_intensity_f16,
+      fetch_texel_2d_f_intensity_f16,
+      fetch_texel_3d_f_intensity_f16,
+      store_texel_intensity_f16
+   },
+
+   /* non-normalized, signed int */
+   {
+      MESA_FORMAT_RGBA_INT8,
+      fetch_texel_1d_rgba_int8,
+      fetch_texel_2d_rgba_int8,
+      fetch_texel_3d_rgba_int8,
+      store_texel_rgba_int8
+   },
+   {
+      MESA_FORMAT_RGBA_INT16,
+      fetch_texel_1d_rgba_int16,
+      fetch_texel_2d_rgba_int16,
+      fetch_texel_3d_rgba_int16,
+      store_texel_rgba_int16
+   },
+   {
+      MESA_FORMAT_RGBA_INT32,
+      fetch_texel_1d_rgba_int32,
+      fetch_texel_2d_rgba_int32,
+      fetch_texel_3d_rgba_int32,
+      store_texel_rgba_int32
+   },
+
+   /* non-normalized, unsigned int */
+   {
+      MESA_FORMAT_RGBA_UINT8,
+      fetch_texel_1d_rgba_uint8,
+      fetch_texel_2d_rgba_uint8,
+      fetch_texel_3d_rgba_uint8,
+      store_texel_rgba_uint8
+   },
+   {
+      MESA_FORMAT_RGBA_UINT16,
+      fetch_texel_1d_rgba_uint16,
+      fetch_texel_2d_rgba_uint16,
+      fetch_texel_3d_rgba_uint16,
+      store_texel_rgba_uint16
+   },
+   {
+      MESA_FORMAT_RGBA_UINT32,
+      fetch_texel_1d_rgba_uint32,
+      fetch_texel_2d_rgba_uint32,
+      fetch_texel_3d_rgba_uint32,
+      store_texel_rgba_uint32
+   },
+
+   /* dudv */
+   {
+      MESA_FORMAT_DUDV8,
+      fetch_texel_1d_dudv8,
+      fetch_texel_2d_dudv8,
+      fetch_texel_3d_dudv8,
+      NULL
+   },
+
+   /* signed, normalized */
+   {
+      MESA_FORMAT_SIGNED_R8,
+      fetch_texel_1d_signed_r8,
+      fetch_texel_2d_signed_r8,
+      fetch_texel_3d_signed_r8,
+      store_texel_signed_r8
+   },
+   {
+      MESA_FORMAT_SIGNED_RG88,
+      fetch_texel_1d_signed_rg88,
+      fetch_texel_2d_signed_rg88,
+      fetch_texel_3d_signed_rg88,
+      store_texel_signed_rg88
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBX8888,
+      fetch_texel_1d_signed_rgbx8888,
+      fetch_texel_2d_signed_rgbx8888,
+      fetch_texel_3d_signed_rgbx8888,
+      store_texel_signed_rgbx8888
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBA8888,
+      fetch_texel_1d_signed_rgba8888,
+      fetch_texel_2d_signed_rgba8888,
+      fetch_texel_3d_signed_rgba8888,
+      store_texel_signed_rgba8888
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBA8888_REV,
+      fetch_texel_1d_signed_rgba8888_rev,
+      fetch_texel_2d_signed_rgba8888_rev,
+      fetch_texel_3d_signed_rgba8888_rev,
+      store_texel_signed_rgba8888_rev
+   },
+   {
+      MESA_FORMAT_SIGNED_R_16,
+      fetch_texel_1d_signed_r_16,
+      fetch_texel_2d_signed_r_16,
+      fetch_texel_3d_signed_r_16,
+      store_texel_signed_r_16
+   },
+   {
+      MESA_FORMAT_SIGNED_RG_16,
+      fetch_texel_1d_signed_rg_16,
+      fetch_texel_2d_signed_rg_16,
+      fetch_texel_3d_signed_rg_16,
+      store_texel_signed_rg_16
+   },
+   {
+      MESA_FORMAT_SIGNED_RGB_16,
+      fetch_texel_1d_signed_rgb_16,
+      fetch_texel_2d_signed_rgb_16,
+      fetch_texel_3d_signed_rgb_16,
+      store_texel_signed_rgb_16
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBA_16,
+      fetch_texel_1d_signed_rgba_16,
+      fetch_texel_2d_signed_rgba_16,
+      fetch_texel_3d_signed_rgba_16,
+      store_texel_signed_rgba_16
+   },
+   {
+      MESA_FORMAT_RGBA_16,
+      fetch_texel_1d_rgba_16,
+      fetch_texel_2d_rgba_16,
+      fetch_texel_3d_rgba_16,
+      store_texel_rgba_16
+   },
+   {
+      MESA_FORMAT_RED_RGTC1,
+      NULL,
+      _mesa_fetch_texel_2d_f_red_rgtc1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SIGNED_RED_RGTC1,
+      NULL,
+      _mesa_fetch_texel_2d_f_signed_red_rgtc1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RG_RGTC2,
+      NULL,
+      _mesa_fetch_texel_2d_f_rg_rgtc2,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SIGNED_RG_RGTC2,
+      NULL,
+      _mesa_fetch_texel_2d_f_signed_rg_rgtc2,
+      NULL,
+      NULL
+   },
+};
+
+
+FetchTexelFuncF
+_mesa_get_texel_fetch_func(gl_format format, GLuint dims)
+{
+#ifdef DEBUG
+   /* check that the table entries are sorted by format name */
+   gl_format fmt;
+   for (fmt = 0; fmt < MESA_FORMAT_COUNT; fmt++) {
+      assert(texfetch_funcs[fmt].Name == fmt);
+   }
+#endif
+
+   assert(Elements(texfetch_funcs) == MESA_FORMAT_COUNT);
+   assert(format < MESA_FORMAT_COUNT);
+
+   switch (dims) {
+   case 1:
+      return texfetch_funcs[format].Fetch1D;
+   case 2:
+      return texfetch_funcs[format].Fetch2D;
+   case 3:
+      return texfetch_funcs[format].Fetch3D;
+   default:
+      assert(0 && "bad dims in _mesa_get_texel_fetch_func");
+      return NULL;
+   }
+}
+
+
+StoreTexelFunc
+_mesa_get_texel_store_func(gl_format format)
+{
+   assert(format < MESA_FORMAT_COUNT);
+   return texfetch_funcs[format].StoreTexel;
+}
+
+
+/**
+ * Adaptor for fetching a GLchan texel from a float-valued texture.
+ */
+static void
+fetch_texel_float_to_chan(const struct gl_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLchan *texelOut)
+{
+   GLfloat temp[4];
+   GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
+
+   ASSERT(texImage->FetchTexelf);
+   texImage->FetchTexelf(texImage, i, j, k, temp);
+   if (baseFormat == GL_DEPTH_COMPONENT ||
+       baseFormat == GL_DEPTH_STENCIL_EXT) {
+      /* just one channel */
+      UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
+   }
+   else {
+      /* four channels */
+      UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
+      UNCLAMPED_FLOAT_TO_CHAN(texelOut[1], temp[1]);
+      UNCLAMPED_FLOAT_TO_CHAN(texelOut[2], temp[2]);
+      UNCLAMPED_FLOAT_TO_CHAN(texelOut[3], temp[3]);
+   }
+}
+
+
+#if 0
+/**
+ * Adaptor for fetching a float texel from a GLchan-valued texture.
+ */
+static void
+fetch_texel_chan_to_float(const struct gl_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLfloat *texelOut)
+{
+   GLchan temp[4];
+   GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
+
+   ASSERT(texImage->FetchTexelc);
+   texImage->FetchTexelc(texImage, i, j, k, temp);
+   if (baseFormat == GL_DEPTH_COMPONENT ||
+       baseFormat == GL_DEPTH_STENCIL_EXT) {
+      /* just one channel */
+      texelOut[0] = CHAN_TO_FLOAT(temp[0]);
+   }
+   else {
+      /* four channels */
+      texelOut[0] = CHAN_TO_FLOAT(temp[0]);
+      texelOut[1] = CHAN_TO_FLOAT(temp[1]);
+      texelOut[2] = CHAN_TO_FLOAT(temp[2]);
+      texelOut[3] = CHAN_TO_FLOAT(temp[3]);
+   }
+}
+#endif
+
+
+/**
+ * Initialize the texture image's FetchTexelc and FetchTexelf methods.
+ */
+void
+_mesa_set_fetch_functions(struct gl_texture_image *texImage, GLuint dims)
+{
+   gl_format format = texImage->TexFormat;
+
+   ASSERT(dims == 1 || dims == 2 || dims == 3);
+
+   if (texImage->TexObject->sRGBDecode == GL_SKIP_DECODE_EXT &&
+       _mesa_get_format_color_encoding(format) == GL_SRGB) {
+      format = _mesa_get_srgb_format_linear(format);
+   }
+
+   texImage->FetchTexelf = _mesa_get_texel_fetch_func(format, dims);
+
+   texImage->FetchTexelc = fetch_texel_float_to_chan;
+
+   ASSERT(texImage->FetchTexelc);
+   ASSERT(texImage->FetchTexelf);
+}
+
+void
+_mesa_update_fetch_functions(struct gl_texture_object *texObj)
+{
+   GLuint face, i;
+   GLuint dims;
+
+   dims = _mesa_get_texture_dimensions(texObj->Target);
+
+   for (face = 0; face < 6; face++) {
+      for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
+         if (texObj->Image[face][i]) {
+	    _mesa_set_fetch_functions(texObj->Image[face][i], dims);
+         }
+      }
+   }
+}
diff --git a/mesalib/src/mesa/main/texformat.c b/mesalib/src/mesa/main/texformat.c
index 2542cea85..72025cf82 100644
--- a/mesalib/src/mesa/main/texformat.c
+++ b/mesalib/src/mesa/main/texformat.c
@@ -602,6 +602,25 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
       }
    }
 
+   if (ctx->Extensions.ARB_texture_compression_rgtc) {
+      switch (internalFormat) {
+         case GL_COMPRESSED_RED_RGTC1:
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RED_RGTC1);
+	    break;
+         case GL_COMPRESSED_SIGNED_RED_RGTC1:
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RED_RGTC1);
+	    break;
+         case GL_COMPRESSED_RG_RGTC2:
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2);
+	    break;
+         case GL_COMPRESSED_SIGNED_RG_RGTC2:
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG_RGTC2);
+	    break;
+         default:
+            ; /* fallthrough */
+      }
+   }
+
    _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
    return MESA_FORMAT_NONE;
 }
diff --git a/mesalib/src/mesa/main/texstore.c b/mesalib/src/mesa/main/texstore.c
index 1947d32e6..8a3e5f779 100644
--- a/mesalib/src/mesa/main/texstore.c
+++ b/mesalib/src/mesa/main/texstore.c
@@ -1,4783 +1,4789 @@
-/*

- * Mesa 3-D graphics library

- * Version:  7.5

- *

- * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.

- * Copyright (c) 2008-2009  VMware, Inc.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included

- * in all copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- */

-

-/*

- * Authors:

- *   Brian Paul

- */

-

-/**

- * The GL texture image functions in teximage.c basically just do

- * error checking and data structure allocation.  They in turn call

- * device driver functions which actually copy/convert/store the user's

- * texture image data.

- *

- * However, most device drivers will be able to use the fallback functions

- * in this file.  That is, most drivers will have the following bit of

- * code:

- *   ctx->Driver.TexImage1D = _mesa_store_teximage1d;

- *   ctx->Driver.TexImage2D = _mesa_store_teximage2d;

- *   ctx->Driver.TexImage3D = _mesa_store_teximage3d;

- *   etc...

- *

- * Texture image processing is actually kind of complicated.  We have to do:

- *    Format/type conversions

- *    pixel unpacking

- *    pixel transfer (scale, bais, lookup, etc)

- *

- * These functions can handle most everything, including processing full

- * images and sub-images.

- */

-

-

-#include "glheader.h"

-#include "bufferobj.h"

-#include "colormac.h"

-#include "image.h"

-#include "macros.h"

-#include "mipmap.h"

-#include "mfeatures.h"

-#include "mtypes.h"

-#include "pack.h"

-#include "imports.h"

-#include "pack.h"

-#include "texcompress.h"

-#include "texcompress_fxt1.h"

-#include "texcompress_s3tc.h"

-#include "teximage.h"

-#include "texstore.h"

-#include "enums.h"

-

-

-enum {

-   ZERO = 4, 

-   ONE = 5

-};

-

-

-/**

- * Texture image storage function.

- */

-typedef GLboolean (*StoreTexImageFunc)(TEXSTORE_PARAMS);

-

-

-/**

- * Return GL_TRUE if the given image format is one that be converted

- * to another format by swizzling.

- */

-static GLboolean

-can_swizzle(GLenum logicalBaseFormat)

-{

-   switch (logicalBaseFormat) {

-   case GL_RGBA:

-   case GL_RGB:

-   case GL_LUMINANCE_ALPHA:

-   case GL_INTENSITY:

-   case GL_ALPHA:

-   case GL_LUMINANCE:

-   case GL_RED:

-   case GL_GREEN:

-   case GL_BLUE:

-   case GL_BGR:

-   case GL_BGRA:

-   case GL_ABGR_EXT:

-   case GL_RG:

-      return GL_TRUE;

-   default:

-      return GL_FALSE;

-   }

-}

-

-

-

-enum {

-   IDX_LUMINANCE = 0,

-   IDX_ALPHA,

-   IDX_INTENSITY,

-   IDX_LUMINANCE_ALPHA,

-   IDX_RGB,

-   IDX_RGBA,

-   IDX_RED,

-   IDX_GREEN,

-   IDX_BLUE,

-   IDX_BGR,

-   IDX_BGRA,

-   IDX_ABGR,

-   IDX_RG,

-   MAX_IDX

-};

-

-#define MAP1(x)       MAP4(x, ZERO, ZERO, ZERO)

-#define MAP2(x,y)     MAP4(x, y, ZERO, ZERO)

-#define MAP3(x,y,z)   MAP4(x, y, z, ZERO)

-#define MAP4(x,y,z,w) { x, y, z, w, ZERO, ONE }

-

-

-static const struct {

-   GLubyte format_idx;

-   GLubyte to_rgba[6];

-   GLubyte from_rgba[6];

-} mappings[MAX_IDX] = 

-{

-   {

-      IDX_LUMINANCE,

-      MAP4(0,0,0,ONE),

-      MAP1(0)

-   },

-

-   {

-      IDX_ALPHA,

-      MAP4(ZERO, ZERO, ZERO, 0),

-      MAP1(3)

-   },

-

-   {

-      IDX_INTENSITY,

-      MAP4(0, 0, 0, 0),

-      MAP1(0),

-   },

-

-   {

-      IDX_LUMINANCE_ALPHA,

-      MAP4(0,0,0,1),

-      MAP2(0,3)

-   },

-

-   {

-      IDX_RGB,

-      MAP4(0,1,2,ONE),

-      MAP3(0,1,2)

-   },

-

-   {

-      IDX_RGBA,

-      MAP4(0,1,2,3),

-      MAP4(0,1,2,3),

-   },

-

-   {

-      IDX_RED,

-      MAP4(0, ZERO, ZERO, ONE),

-      MAP1(0),

-   },

-

-   {

-      IDX_GREEN,

-      MAP4(ZERO, 0, ZERO, ONE),

-      MAP1(1),

-   },

-

-   {

-      IDX_BLUE,

-      MAP4(ZERO, ZERO, 0, ONE),

-      MAP1(2),

-   },

-

-   {

-      IDX_BGR,

-      MAP4(2,1,0,ONE),

-      MAP3(2,1,0)

-   },

-

-   {

-      IDX_BGRA,

-      MAP4(2,1,0,3),

-      MAP4(2,1,0,3)

-   },

-

-   {

-      IDX_ABGR,

-      MAP4(3,2,1,0),

-      MAP4(3,2,1,0)

-   },

-

-   {

-      IDX_RG,

-      MAP4(0, 1, ZERO, ONE),

-      MAP2(0, 1)

-   },

-};

-

-

-

-/**

- * Convert a GL image format enum to an IDX_* value (see above).

- */

-static int

-get_map_idx(GLenum value)

-{

-   switch (value) {

-   case GL_LUMINANCE: return IDX_LUMINANCE;

-   case GL_ALPHA: return IDX_ALPHA;

-   case GL_INTENSITY: return IDX_INTENSITY;

-   case GL_LUMINANCE_ALPHA: return IDX_LUMINANCE_ALPHA;

-   case GL_RGB: return IDX_RGB;

-   case GL_RGBA: return IDX_RGBA;

-   case GL_RED: return IDX_RED;

-   case GL_GREEN: return IDX_GREEN;

-   case GL_BLUE: return IDX_BLUE;

-   case GL_BGR: return IDX_BGR;

-   case GL_BGRA: return IDX_BGRA;

-   case GL_ABGR_EXT: return IDX_ABGR;

-   case GL_RG: return IDX_RG;

-   default:

-      _mesa_problem(NULL, "Unexpected inFormat");

-      return 0;

-   }

-}   

-

-

-/**

- * When promoting texture formats (see below) we need to compute the

- * mapping of dest components back to source components.

- * This function does that.

- * \param inFormat  the incoming format of the texture

- * \param outFormat  the final texture format

- * \return map[6]  a full 6-component map

- */

-static void

-compute_component_mapping(GLenum inFormat, GLenum outFormat, 

-			  GLubyte *map)

-{

-   const int inFmt = get_map_idx(inFormat);

-   const int outFmt = get_map_idx(outFormat);

-   const GLubyte *in2rgba = mappings[inFmt].to_rgba;

-   const GLubyte *rgba2out = mappings[outFmt].from_rgba;

-   int i;

-   

-   for (i = 0; i < 4; i++)

-      map[i] = in2rgba[rgba2out[i]];

-

-   map[ZERO] = ZERO;

-   map[ONE] = ONE;   

-

-#if 0

-   printf("from %x/%s to %x/%s map %d %d %d %d %d %d\n",

-	  inFormat, _mesa_lookup_enum_by_nr(inFormat),

-	  outFormat, _mesa_lookup_enum_by_nr(outFormat),

-	  map[0], 

-	  map[1], 

-	  map[2], 

-	  map[3], 

-	  map[4], 

-	  map[5]); 

-#endif

-}

-

-

-/**

- * Make a temporary (color) texture image with GLfloat components.

- * Apply all needed pixel unpacking and pixel transfer operations.

- * Note that there are both logicalBaseFormat and textureBaseFormat parameters.

- * Suppose the user specifies GL_LUMINANCE as the internal texture format

- * but the graphics hardware doesn't support luminance textures.  So, we might

- * use an RGB hardware format instead.

- * If logicalBaseFormat != textureBaseFormat we have some extra work to do.

- *

- * \param ctx  the rendering context

- * \param dims  image dimensions: 1, 2 or 3

- * \param logicalBaseFormat  basic texture derived from the user's

- *    internal texture format value

- * \param textureBaseFormat  the actual basic format of the texture

- * \param srcWidth  source image width

- * \param srcHeight  source image height

- * \param srcDepth  source image depth

- * \param srcFormat  source image format

- * \param srcType  source image type

- * \param srcAddr  source image address

- * \param srcPacking  source image pixel packing

- * \return resulting image with format = textureBaseFormat and type = GLfloat.

- */

-static GLfloat *

-make_temp_float_image(struct gl_context *ctx, GLuint dims,

-                      GLenum logicalBaseFormat,

-                      GLenum textureBaseFormat,

-                      GLint srcWidth, GLint srcHeight, GLint srcDepth,

-                      GLenum srcFormat, GLenum srcType,

-                      const GLvoid *srcAddr,

-                      const struct gl_pixelstore_attrib *srcPacking,

-                      GLbitfield transferOps)

-{

-   GLfloat *tempImage;

-   const GLint components = _mesa_components_in_format(logicalBaseFormat);

-   const GLint srcStride =

-      _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);

-   GLfloat *dst;

-   GLint img, row;

-

-   ASSERT(dims >= 1 && dims <= 3);

-

-   ASSERT(logicalBaseFormat == GL_RGBA ||

-          logicalBaseFormat == GL_RGB ||

-          logicalBaseFormat == GL_RG ||

-          logicalBaseFormat == GL_RED ||

-          logicalBaseFormat == GL_LUMINANCE_ALPHA ||

-          logicalBaseFormat == GL_LUMINANCE ||

-          logicalBaseFormat == GL_ALPHA ||

-          logicalBaseFormat == GL_INTENSITY ||

-          logicalBaseFormat == GL_COLOR_INDEX ||

-          logicalBaseFormat == GL_DEPTH_COMPONENT);

-

-   ASSERT(textureBaseFormat == GL_RGBA ||

-          textureBaseFormat == GL_RGB ||

-          textureBaseFormat == GL_RG ||

-          textureBaseFormat == GL_RED ||

-          textureBaseFormat == GL_LUMINANCE_ALPHA ||

-          textureBaseFormat == GL_LUMINANCE ||

-          textureBaseFormat == GL_ALPHA ||

-          textureBaseFormat == GL_INTENSITY ||

-          textureBaseFormat == GL_COLOR_INDEX ||

-          textureBaseFormat == GL_DEPTH_COMPONENT);

-

-   tempImage = (GLfloat *) malloc(srcWidth * srcHeight * srcDepth

-				  * components * sizeof(GLfloat));

-   if (!tempImage)

-      return NULL;

-

-   dst = tempImage;

-   for (img = 0; img < srcDepth; img++) {

-      const GLubyte *src

-	 = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,

-						 srcWidth, srcHeight,

-						 srcFormat, srcType,

-						 img, 0, 0);

-      for (row = 0; row < srcHeight; row++) {

-	 _mesa_unpack_color_span_float(ctx, srcWidth, logicalBaseFormat,

-				       dst, srcFormat, srcType, src,

-				       srcPacking, transferOps);

-	 dst += srcWidth * components;

-	 src += srcStride;

-      }

-   }

-

-   if (logicalBaseFormat != textureBaseFormat) {

-      /* more work */

-      GLint texComponents = _mesa_components_in_format(textureBaseFormat);

-      GLint logComponents = _mesa_components_in_format(logicalBaseFormat);

-      GLfloat *newImage;

-      GLint i, n;

-      GLubyte map[6];

-

-      /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */

-      ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||

-             textureBaseFormat == GL_LUMINANCE_ALPHA);

-

-      /* The actual texture format should have at least as many components

-       * as the logical texture format.

-       */

-      ASSERT(texComponents >= logComponents);

-

-      newImage = (GLfloat *) malloc(srcWidth * srcHeight * srcDepth

-                                          * texComponents * sizeof(GLfloat));

-      if (!newImage) {

-         free(tempImage);

-         return NULL;

-      }

-

-      compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);

-

-      n = srcWidth * srcHeight * srcDepth;

-      for (i = 0; i < n; i++) {

-         GLint k;

-         for (k = 0; k < texComponents; k++) {

-            GLint j = map[k];

-            if (j == ZERO)

-               newImage[i * texComponents + k] = 0.0F;

-            else if (j == ONE)

-               newImage[i * texComponents + k] = 1.0F;

-            else

-               newImage[i * texComponents + k] = tempImage[i * logComponents + j];

-         }

-      }

-

-      free(tempImage);

-      tempImage = newImage;

-   }

-

-   return tempImage;

-}

-

-

-/**

- * Make temporary image with uint pixel values.  Used for unsigned

- * integer-valued textures.

- */

-static GLuint *

-make_temp_uint_image(struct gl_context *ctx, GLuint dims,

-                     GLenum logicalBaseFormat,

-                     GLenum textureBaseFormat,

-                     GLint srcWidth, GLint srcHeight, GLint srcDepth,

-                     GLenum srcFormat, GLenum srcType,

-                     const GLvoid *srcAddr,

-                     const struct gl_pixelstore_attrib *srcPacking)

-{

-   GLuint *tempImage;

-   const GLint components = _mesa_components_in_format(logicalBaseFormat);

-   const GLint srcStride =

-      _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);

-   GLuint *dst;

-   GLint img, row;

-

-   ASSERT(dims >= 1 && dims <= 3);

-

-   ASSERT(logicalBaseFormat == GL_RGBA ||

-          logicalBaseFormat == GL_RGB ||

-          logicalBaseFormat == GL_RG ||

-          logicalBaseFormat == GL_RED ||

-          logicalBaseFormat == GL_LUMINANCE_ALPHA ||

-          logicalBaseFormat == GL_LUMINANCE ||

-          logicalBaseFormat == GL_INTENSITY ||

-          logicalBaseFormat == GL_ALPHA);

-

-   ASSERT(textureBaseFormat == GL_RGBA ||

-          textureBaseFormat == GL_RGB ||

-          textureBaseFormat == GL_RG ||

-          textureBaseFormat == GL_RED ||

-          textureBaseFormat == GL_LUMINANCE_ALPHA ||

-          textureBaseFormat == GL_LUMINANCE ||

-          textureBaseFormat == GL_ALPHA);

-

-   tempImage = (GLuint *) malloc(srcWidth * srcHeight * srcDepth

-                                 * components * sizeof(GLuint));

-   if (!tempImage)

-      return NULL;

-

-   dst = tempImage;

-   for (img = 0; img < srcDepth; img++) {

-      const GLubyte *src

-	 = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,

-						 srcWidth, srcHeight,

-						 srcFormat, srcType,

-						 img, 0, 0);

-      for (row = 0; row < srcHeight; row++) {

-	 _mesa_unpack_color_span_uint(ctx, srcWidth, logicalBaseFormat,

-                                      dst, srcFormat, srcType, src,

-                                      srcPacking);

-	 dst += srcWidth * components;

-	 src += srcStride;

-      }

-   }

-

-   if (logicalBaseFormat != textureBaseFormat) {

-      /* more work */

-      GLint texComponents = _mesa_components_in_format(textureBaseFormat);

-      GLint logComponents = _mesa_components_in_format(logicalBaseFormat);

-      GLuint *newImage;

-      GLint i, n;

-      GLubyte map[6];

-

-      /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */

-      ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||

-             textureBaseFormat == GL_LUMINANCE_ALPHA);

-

-      /* The actual texture format should have at least as many components

-       * as the logical texture format.

-       */

-      ASSERT(texComponents >= logComponents);

-

-      newImage = (GLuint *) malloc(srcWidth * srcHeight * srcDepth

-                                   * texComponents * sizeof(GLuint));

-      if (!newImage) {

-         free(tempImage);

-         return NULL;

-      }

-

-      compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);

-

-      n = srcWidth * srcHeight * srcDepth;

-      for (i = 0; i < n; i++) {

-         GLint k;

-         for (k = 0; k < texComponents; k++) {

-            GLint j = map[k];

-            if (j == ZERO)

-               newImage[i * texComponents + k] = 0.0F;

-            else if (j == ONE)

-               newImage[i * texComponents + k] = 1.0F;

-            else

-               newImage[i * texComponents + k] = tempImage[i * logComponents + j];

-         }

-      }

-

-      free(tempImage);

-      tempImage = newImage;

-   }

-

-   return tempImage;

-}

-

-

-

-/**

- * Make a temporary (color) texture image with GLchan components.

- * Apply all needed pixel unpacking and pixel transfer operations.

- * Note that there are both logicalBaseFormat and textureBaseFormat parameters.

- * Suppose the user specifies GL_LUMINANCE as the internal texture format

- * but the graphics hardware doesn't support luminance textures.  So, we might

- * use an RGB hardware format instead.

- * If logicalBaseFormat != textureBaseFormat we have some extra work to do.

- *

- * \param ctx  the rendering context

- * \param dims  image dimensions: 1, 2 or 3

- * \param logicalBaseFormat  basic texture derived from the user's

- *    internal texture format value

- * \param textureBaseFormat  the actual basic format of the texture

- * \param srcWidth  source image width

- * \param srcHeight  source image height

- * \param srcDepth  source image depth

- * \param srcFormat  source image format

- * \param srcType  source image type

- * \param srcAddr  source image address

- * \param srcPacking  source image pixel packing

- * \return resulting image with format = textureBaseFormat and type = GLchan.

- */

-GLchan *

-_mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,

-                           GLenum logicalBaseFormat,

-                           GLenum textureBaseFormat,

-                           GLint srcWidth, GLint srcHeight, GLint srcDepth,

-                           GLenum srcFormat, GLenum srcType,

-                           const GLvoid *srcAddr,

-                           const struct gl_pixelstore_attrib *srcPacking)

-{

-   GLuint transferOps = ctx->_ImageTransferState;

-   const GLint components = _mesa_components_in_format(logicalBaseFormat);

-   GLint img, row;

-   GLchan *tempImage, *dst;

-

-   ASSERT(dims >= 1 && dims <= 3);

-

-   ASSERT(logicalBaseFormat == GL_RGBA ||

-          logicalBaseFormat == GL_RGB ||

-          logicalBaseFormat == GL_RG ||

-          logicalBaseFormat == GL_RED ||

-          logicalBaseFormat == GL_LUMINANCE_ALPHA ||

-          logicalBaseFormat == GL_LUMINANCE ||

-          logicalBaseFormat == GL_ALPHA ||

-          logicalBaseFormat == GL_INTENSITY);

-

-   ASSERT(textureBaseFormat == GL_RGBA ||

-          textureBaseFormat == GL_RGB ||

-          textureBaseFormat == GL_RG ||

-          textureBaseFormat == GL_RED ||

-          textureBaseFormat == GL_LUMINANCE_ALPHA ||

-          textureBaseFormat == GL_LUMINANCE ||

-          textureBaseFormat == GL_ALPHA ||

-          textureBaseFormat == GL_INTENSITY);

-

-   /* unpack and transfer the source image */

-   tempImage = (GLchan *) malloc(srcWidth * srcHeight * srcDepth

-                                       * components * sizeof(GLchan));

-   if (!tempImage) {

-      return NULL;

-   }

-

-   dst = tempImage;

-   for (img = 0; img < srcDepth; img++) {

-      const GLint srcStride =

-         _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);

-      const GLubyte *src =

-         (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,

-                                               srcWidth, srcHeight,

-                                               srcFormat, srcType,

-                                               img, 0, 0);

-      for (row = 0; row < srcHeight; row++) {

-         _mesa_unpack_color_span_chan(ctx, srcWidth, logicalBaseFormat, dst,

-                                      srcFormat, srcType, src, srcPacking,

-                                      transferOps);

-         dst += srcWidth * components;

-         src += srcStride;

-      }

-   }

-

-   if (logicalBaseFormat != textureBaseFormat) {

-      /* one more conversion step */

-      GLint texComponents = _mesa_components_in_format(textureBaseFormat);

-      GLint logComponents = _mesa_components_in_format(logicalBaseFormat);

-      GLchan *newImage;

-      GLint i, n;

-      GLubyte map[6];

-

-      /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */

-      ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||

-             textureBaseFormat == GL_LUMINANCE_ALPHA);

-

-      /* The actual texture format should have at least as many components

-       * as the logical texture format.

-       */

-      ASSERT(texComponents >= logComponents);

-

-      newImage = (GLchan *) malloc(srcWidth * srcHeight * srcDepth

-                                         * texComponents * sizeof(GLchan));

-      if (!newImage) {

-         free(tempImage);

-         return NULL;

-      }

-

-      compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);

-

-      n = srcWidth * srcHeight * srcDepth;

-      for (i = 0; i < n; i++) {

-         GLint k;

-         for (k = 0; k < texComponents; k++) {

-            GLint j = map[k];

-            if (j == ZERO)

-               newImage[i * texComponents + k] = 0;

-            else if (j == ONE)

-               newImage[i * texComponents + k] = CHAN_MAX;

-            else

-               newImage[i * texComponents + k] = tempImage[i * logComponents + j];

-         }

-      }

-

-      free(tempImage);

-      tempImage = newImage;

-   }

-

-   return tempImage;

-}

-

-

-/**

- * Copy GLubyte pixels from <src> to <dst> with swizzling.

- * \param dst  destination pixels

- * \param dstComponents  number of color components in destination pixels

- * \param src  source pixels

- * \param srcComponents  number of color components in source pixels

- * \param map  the swizzle mapping.  map[X] says where to find the X component

- *             in the source image's pixels.  For example, if the source image

- *             is GL_BGRA and X = red, map[0] yields 2.

- * \param count  number of pixels to copy/swizzle.

- */

-static void

-swizzle_copy(GLubyte *dst, GLuint dstComponents, const GLubyte *src, 

-             GLuint srcComponents, const GLubyte *map, GLuint count)

-{

-#define SWZ_CPY(dst, src, count, dstComps, srcComps) \

-   do {                                              \

-      GLuint i;                                      \

-      for (i = 0; i < count; i++) {                  \

-         GLuint j;                                   \

-         if (srcComps == 4) {                        \

-            COPY_4UBV(tmp, src);                     \

-         }                                           \

-         else {                                      \

-            for (j = 0; j < srcComps; j++) {         \

-               tmp[j] = src[j];                      \

-            }                                        \

-         }                                           \

-         src += srcComps;                            \

-         for (j = 0; j < dstComps; j++) {            \

-            dst[j] = tmp[map[j]];                    \

-         }                                           \

-         dst += dstComps;                            \

-      }                                              \

-   } while (0)

-

-   GLubyte tmp[6];

-

-   tmp[ZERO] = 0x0;

-   tmp[ONE] = 0xff;

-

-   ASSERT(srcComponents <= 4);

-   ASSERT(dstComponents <= 4);

-

-   switch (dstComponents) {

-   case 4:

-      switch (srcComponents) {

-      case 4:

-         SWZ_CPY(dst, src, count, 4, 4);

-         break;

-      case 3:

-         SWZ_CPY(dst, src, count, 4, 3);

-         break;

-      case 2:

-         SWZ_CPY(dst, src, count, 4, 2);

-         break;

-      case 1:

-         SWZ_CPY(dst, src, count, 4, 1);

-         break;

-      default:

-         ;

-      }

-      break;

-   case 3:

-      switch (srcComponents) {

-      case 4:

-         SWZ_CPY(dst, src, count, 3, 4);

-         break;

-      case 3:

-         SWZ_CPY(dst, src, count, 3, 3);

-         break;

-      case 2:

-         SWZ_CPY(dst, src, count, 3, 2);

-         break;

-      case 1:

-         SWZ_CPY(dst, src, count, 3, 1);

-         break;

-      default:

-         ;

-      }

-      break;

-   case 2:

-      switch (srcComponents) {

-      case 4:

-         SWZ_CPY(dst, src, count, 2, 4);

-         break;

-      case 3:

-         SWZ_CPY(dst, src, count, 2, 3);

-         break;

-      case 2:

-         SWZ_CPY(dst, src, count, 2, 2);

-         break;

-      case 1:

-         SWZ_CPY(dst, src, count, 2, 1);

-         break;

-      default:

-         ;

-      }

-      break;

-   case 1:

-      switch (srcComponents) {

-      case 4:

-         SWZ_CPY(dst, src, count, 1, 4);

-         break;

-      case 3:

-         SWZ_CPY(dst, src, count, 1, 3);

-         break;

-      case 2:

-         SWZ_CPY(dst, src, count, 1, 2);

-         break;

-      case 1:

-         SWZ_CPY(dst, src, count, 1, 1);

-         break;

-      default:

-         ;

-      }

-      break;

-   default:

-      ;

-   }

-#undef SWZ_CPY

-}

-

-

-

-static const GLubyte map_identity[6] = { 0, 1, 2, 3, ZERO, ONE };

-static const GLubyte map_3210[6] = { 3, 2, 1, 0, ZERO, ONE };

-

-

-/**

- * For 1-byte/pixel formats (or 8_8_8_8 packed formats), return a

- * mapping array depending on endianness.

- */

-static const GLubyte *

-type_mapping( GLenum srcType )

-{

-   switch (srcType) {

-   case GL_BYTE:

-   case GL_UNSIGNED_BYTE:

-      return map_identity;

-   case GL_UNSIGNED_INT_8_8_8_8:

-      return _mesa_little_endian() ? map_3210 : map_identity;

-   case GL_UNSIGNED_INT_8_8_8_8_REV:

-      return _mesa_little_endian() ? map_identity : map_3210;

-   default:

-      return NULL;

-   }

-}

-

-

-/**

- * For 1-byte/pixel formats (or 8_8_8_8 packed formats), return a

- * mapping array depending on pixelstore byte swapping state.

- */

-static const GLubyte *

-byteswap_mapping( GLboolean swapBytes,

-		  GLenum srcType )

-{

-   if (!swapBytes) 

-      return map_identity;

-

-   switch (srcType) {

-   case GL_BYTE:

-   case GL_UNSIGNED_BYTE:

-      return map_identity;

-   case GL_UNSIGNED_INT_8_8_8_8:

-   case GL_UNSIGNED_INT_8_8_8_8_REV:

-      return map_3210;

-   default:

-      return NULL;

-   }

-}

-

-

-

-/**

- * Transfer a GLubyte texture image with component swizzling.

- */

-static void

-_mesa_swizzle_ubyte_image(struct gl_context *ctx, 

-			  GLuint dimensions,

-			  GLenum srcFormat,

-			  GLenum srcType,

-

-			  GLenum baseInternalFormat,

-

-			  const GLubyte *rgba2dst,

-			  GLuint dstComponents,

-

-			  GLvoid *dstAddr,

-			  GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,

-			  GLint dstRowStride,

-                          const GLuint *dstImageOffsets,

-

-			  GLint srcWidth, GLint srcHeight, GLint srcDepth,

-			  const GLvoid *srcAddr,

-			  const struct gl_pixelstore_attrib *srcPacking )

-{

-   GLint srcComponents = _mesa_components_in_format(srcFormat);

-   const GLubyte *srctype2ubyte, *swap;

-   GLubyte map[4], src2base[6], base2rgba[6];

-   GLint i;

-   const GLint srcRowStride =

-      _mesa_image_row_stride(srcPacking, srcWidth,

-                             srcFormat, GL_UNSIGNED_BYTE);

-   const GLint srcImageStride

-      = _mesa_image_image_stride(srcPacking, srcWidth, srcHeight, srcFormat,

-                                 GL_UNSIGNED_BYTE);

-   const GLubyte *srcImage

-      = (const GLubyte *) _mesa_image_address(dimensions, srcPacking, srcAddr,

-                                              srcWidth, srcHeight, srcFormat,

-                                              GL_UNSIGNED_BYTE, 0, 0, 0);

-

-   (void) ctx;

-

-   /* Translate from src->baseInternal->GL_RGBA->dst.  This will

-    * correctly deal with RGBA->RGB->RGBA conversions where the final

-    * A value must be 0xff regardless of the incoming alpha values.

-    */

-   compute_component_mapping(srcFormat, baseInternalFormat, src2base);

-   compute_component_mapping(baseInternalFormat, GL_RGBA, base2rgba);

-   swap = byteswap_mapping(srcPacking->SwapBytes, srcType);

-   srctype2ubyte = type_mapping(srcType);

-

-

-   for (i = 0; i < 4; i++)

-      map[i] = srctype2ubyte[swap[src2base[base2rgba[rgba2dst[i]]]]];

-

-/*    printf("map %d %d %d %d\n", map[0], map[1], map[2], map[3]);  */

-

-   if (srcComponents == dstComponents &&

-       srcRowStride == dstRowStride &&

-       srcRowStride == srcWidth * srcComponents &&

-       dimensions < 3) {

-      /* 1 and 2D images only */

-      GLubyte *dstImage = (GLubyte *) dstAddr

-         + dstYoffset * dstRowStride

-         + dstXoffset * dstComponents;

-      swizzle_copy(dstImage, dstComponents, srcImage, srcComponents, map, 

-		   srcWidth * srcHeight);

-   }

-   else {

-      GLint img, row;

-      for (img = 0; img < srcDepth; img++) {

-         const GLubyte *srcRow = srcImage;

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * dstComponents

-            + dstYoffset * dstRowStride

-            + dstXoffset * dstComponents;

-         for (row = 0; row < srcHeight; row++) {

-	    swizzle_copy(dstRow, dstComponents, srcRow, srcComponents, map, srcWidth);

-            dstRow += dstRowStride;

-            srcRow += srcRowStride;

-         }

-         srcImage += srcImageStride;

-      }

-   }

-}

-

-

-/**

- * Teximage storage routine for when a simple memcpy will do.

- * No pixel transfer operations or special texel encodings allowed.

- * 1D, 2D and 3D images supported.

- */

-static void

-memcpy_texture(struct gl_context *ctx,

-	       GLuint dimensions,

-               gl_format dstFormat,

-               GLvoid *dstAddr,

-               GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,

-               GLint dstRowStride,

-               const GLuint *dstImageOffsets,

-               GLint srcWidth, GLint srcHeight, GLint srcDepth,

-               GLenum srcFormat, GLenum srcType,

-               const GLvoid *srcAddr,

-               const struct gl_pixelstore_attrib *srcPacking)

-{

-   const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth,

-                                                     srcFormat, srcType);

-   const GLint srcImageStride = _mesa_image_image_stride(srcPacking,

-                                      srcWidth, srcHeight, srcFormat, srcType);

-   const GLubyte *srcImage = (const GLubyte *) _mesa_image_address(dimensions,

-        srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLint bytesPerRow = srcWidth * texelBytes;

-

-#if 0

-   /* XXX update/re-enable for dstImageOffsets array */

-   const GLint bytesPerImage = srcHeight * bytesPerRow;

-   const GLint bytesPerTexture = srcDepth * bytesPerImage;

-   GLubyte *dstImage = (GLubyte *) dstAddr

-                     + dstZoffset * dstImageStride

-                     + dstYoffset * dstRowStride

-                     + dstXoffset * texelBytes;

-

-   if (dstRowStride == srcRowStride &&

-       dstRowStride == bytesPerRow &&

-       ((dstImageStride == srcImageStride &&

-         dstImageStride == bytesPerImage) ||

-        (srcDepth == 1))) {

-      /* one big memcpy */

-      ctx->Driver.TextureMemCpy(dstImage, srcImage, bytesPerTexture);

-   }

-   else

-   {

-      GLint img, row;

-      for (img = 0; img < srcDepth; img++) {

-         const GLubyte *srcRow = srcImage;

-         GLubyte *dstRow = dstImage;

-         for (row = 0; row < srcHeight; row++) {

-            ctx->Driver.TextureMemCpy(dstRow, srcRow, bytesPerRow);

-            dstRow += dstRowStride;

-            srcRow += srcRowStride;

-         }

-         srcImage += srcImageStride;

-         dstImage += dstImageStride;

-      }

-   }

-#endif

-

-   GLint img, row;

-   for (img = 0; img < srcDepth; img++) {

-      const GLubyte *srcRow = srcImage;

-      GLubyte *dstRow = (GLubyte *) dstAddr

-         + dstImageOffsets[dstZoffset + img] * texelBytes

-         + dstYoffset * dstRowStride

-         + dstXoffset * texelBytes;

-      for (row = 0; row < srcHeight; row++) {

-         ctx->Driver.TextureMemCpy(dstRow, srcRow, bytesPerRow);

-         dstRow += dstRowStride;

-         srcRow += srcRowStride;

-      }

-      srcImage += srcImageStride;

-   }

-}

-

-

-

-/**

- * Store a 32-bit integer depth component texture image.

- */

-static GLboolean

-_mesa_texstore_z32(TEXSTORE_PARAMS)

-{

-   const GLuint depthScale = 0xffffffff;

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   (void) dims;

-   ASSERT(dstFormat == MESA_FORMAT_Z32);

-   ASSERT(texelBytes == sizeof(GLuint));

-

-   if (ctx->Pixel.DepthScale == 1.0f &&

-       ctx->Pixel.DepthBias == 0.0f &&

-       !srcPacking->SwapBytes &&

-       baseInternalFormat == GL_DEPTH_COMPONENT &&

-       srcFormat == GL_DEPTH_COMPONENT &&

-       srcType == GL_UNSIGNED_INT) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      GLint img, row;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            const GLvoid *src = _mesa_image_address(dims, srcPacking,

-                srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);

-            _mesa_unpack_depth_span(ctx, srcWidth,

-                                    GL_UNSIGNED_INT, (GLuint *) dstRow,

-                                    depthScale, srcType, src, srcPacking);

-            dstRow += dstRowStride;

-         }

-      }

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Store a 24-bit integer depth component texture image.

- */

-static GLboolean

-_mesa_texstore_x8_z24(TEXSTORE_PARAMS)

-{

-   const GLuint depthScale = 0xffffff;

-   const GLuint texelBytes = 4;

-

-   (void) dims;

-   ASSERT(dstFormat == MESA_FORMAT_X8_Z24);

-

-   {

-      /* general path */

-      GLint img, row;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            const GLvoid *src = _mesa_image_address(dims, srcPacking,

-                srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);

-            _mesa_unpack_depth_span(ctx, srcWidth,

-                                    GL_UNSIGNED_INT, (GLuint *) dstRow,

-                                    depthScale, srcType, src, srcPacking);

-            dstRow += dstRowStride;

-         }

-      }

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Store a 24-bit integer depth component texture image.

- */

-static GLboolean

-_mesa_texstore_z24_x8(TEXSTORE_PARAMS)

-{

-   const GLuint depthScale = 0xffffff;

-   const GLuint texelBytes = 4;

-

-   (void) dims;

-   ASSERT(dstFormat == MESA_FORMAT_Z24_X8);

-

-   {

-      /* general path */

-      GLint img, row;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            const GLvoid *src = _mesa_image_address(dims, srcPacking,

-                srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);

-            GLuint *dst = (GLuint *) dstRow;

-            GLint i;

-            _mesa_unpack_depth_span(ctx, srcWidth,

-                                    GL_UNSIGNED_INT, dst,

-                                    depthScale, srcType, src, srcPacking);

-            for (i = 0; i < srcWidth; i++)

-               dst[i] <<= 8;

-            dstRow += dstRowStride;

-         }

-      }

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Store a 16-bit integer depth component texture image.

- */

-static GLboolean

-_mesa_texstore_z16(TEXSTORE_PARAMS)

-{

-   const GLuint depthScale = 0xffff;

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   (void) dims;

-   ASSERT(dstFormat == MESA_FORMAT_Z16);

-   ASSERT(texelBytes == sizeof(GLushort));

-

-   if (ctx->Pixel.DepthScale == 1.0f &&

-       ctx->Pixel.DepthBias == 0.0f &&

-       !srcPacking->SwapBytes &&

-       baseInternalFormat == GL_DEPTH_COMPONENT &&

-       srcFormat == GL_DEPTH_COMPONENT &&

-       srcType == GL_UNSIGNED_SHORT) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      GLint img, row;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            const GLvoid *src = _mesa_image_address(dims, srcPacking,

-                srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);

-            GLushort *dst16 = (GLushort *) dstRow;

-            _mesa_unpack_depth_span(ctx, srcWidth,

-                                    GL_UNSIGNED_SHORT, dst16, depthScale,

-                                    srcType, src, srcPacking);

-            dstRow += dstRowStride;

-         }

-      }

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Store an rgb565 or rgb565_rev texture image.

- */

-static GLboolean

-_mesa_texstore_rgb565(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGB565 ||

-          dstFormat == MESA_FORMAT_RGB565_REV);

-   ASSERT(texelBytes == 2);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       dstFormat == MESA_FORMAT_RGB565 &&

-       baseInternalFormat == GL_RGB &&

-       srcFormat == GL_RGB &&

-       srcType == GL_UNSIGNED_SHORT_5_6_5) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (!ctx->_ImageTransferState &&

-            !srcPacking->SwapBytes &&

-            baseInternalFormat == GL_RGB &&

-            srcFormat == GL_RGB &&

-            srcType == GL_UNSIGNED_BYTE &&

-            dims == 2) {

-      /* do optimized tex store */

-      const GLint srcRowStride =

-         _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);

-      const GLubyte *src = (const GLubyte *)

-         _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight,

-                             srcFormat, srcType, 0, 0, 0);

-      GLubyte *dst = (GLubyte *) dstAddr

-                   + dstYoffset * dstRowStride

-                   + dstXoffset * texelBytes;

-      GLint row, col;

-      for (row = 0; row < srcHeight; row++) {

-         const GLubyte *srcUB = (const GLubyte *) src;

-         GLushort *dstUS = (GLushort *) dst;

-         /* check for byteswapped format */

-         if (dstFormat == MESA_FORMAT_RGB565) {

-            for (col = 0; col < srcWidth; col++) {

-               dstUS[col] = PACK_COLOR_565( srcUB[0], srcUB[1], srcUB[2] );

-               srcUB += 3;

-            }

-         }

-         else {

-            for (col = 0; col < srcWidth; col++) {

-               dstUS[col] = PACK_COLOR_565_REV( srcUB[0], srcUB[1], srcUB[2] );

-               srcUB += 3;

-            }

-         }

-         dst += dstRowStride;

-         src += srcRowStride;

-      }

-   }

-   else {

-      /* general path */

-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking);

-      const GLchan *src = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLushort *dstUS = (GLushort *) dstRow;

-            /* check for byteswapped format */

-            if (dstFormat == MESA_FORMAT_RGB565) {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUS[col] = PACK_COLOR_565( CHAN_TO_UBYTE(src[RCOMP]),

-                                               CHAN_TO_UBYTE(src[GCOMP]),

-                                               CHAN_TO_UBYTE(src[BCOMP]) );

-                  src += 3;

-               }

-            }

-            else {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUS[col] = PACK_COLOR_565_REV( CHAN_TO_UBYTE(src[RCOMP]),

-                                                   CHAN_TO_UBYTE(src[GCOMP]),

-                                                   CHAN_TO_UBYTE(src[BCOMP]) );

-                  src += 3;

-               }

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Store a texture in MESA_FORMAT_RGBA8888 or MESA_FORMAT_RGBA8888_REV.

- */

-static GLboolean

-_mesa_texstore_rgba8888(TEXSTORE_PARAMS)

-{

-   const GLboolean littleEndian = _mesa_little_endian();

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGBA8888 ||

-          dstFormat == MESA_FORMAT_RGBA8888_REV);

-   ASSERT(texelBytes == 4);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       dstFormat == MESA_FORMAT_RGBA8888 &&

-       baseInternalFormat == GL_RGBA &&

-      ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8) ||

-       (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && !littleEndian) ||

-       (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||

-       (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && littleEndian))) {

-       /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       dstFormat == MESA_FORMAT_RGBA8888_REV &&

-       baseInternalFormat == GL_RGBA &&

-      ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||

-       (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && littleEndian) ||

-       (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8) ||

-       (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && !littleEndian))) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (!ctx->_ImageTransferState &&

-	    (srcType == GL_UNSIGNED_BYTE ||

-	     srcType == GL_UNSIGNED_INT_8_8_8_8 ||

-	     srcType == GL_UNSIGNED_INT_8_8_8_8_REV) &&

-	    can_swizzle(baseInternalFormat) &&

-	    can_swizzle(srcFormat)) {

-

-      GLubyte dstmap[4];

-

-      /* dstmap - how to swizzle from RGBA to dst format:

-       */

-      if ((littleEndian && dstFormat == MESA_FORMAT_RGBA8888) ||

-	  (!littleEndian && dstFormat == MESA_FORMAT_RGBA8888_REV)) {

-	 dstmap[3] = 0;

-	 dstmap[2] = 1;

-	 dstmap[1] = 2;

-	 dstmap[0] = 3;

-      }

-      else {

-	 dstmap[3] = 3;

-	 dstmap[2] = 2;

-	 dstmap[1] = 1;

-	 dstmap[0] = 0;

-      }

-      

-      _mesa_swizzle_ubyte_image(ctx, dims,

-				srcFormat,

-				srcType,

-				baseInternalFormat,

-				dstmap, 4,

-				dstAddr, dstXoffset, dstYoffset, dstZoffset,

-				dstRowStride, dstImageOffsets,

-				srcWidth, srcHeight, srcDepth, srcAddr,

-				srcPacking);      

-   }

-   else {

-      /* general path */

-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking);

-      const GLchan *src = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLuint *dstUI = (GLuint *) dstRow;

-            if (dstFormat == MESA_FORMAT_RGBA8888) {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[RCOMP]),

-                                                CHAN_TO_UBYTE(src[GCOMP]),

-                                                CHAN_TO_UBYTE(src[BCOMP]),

-                                                CHAN_TO_UBYTE(src[ACOMP]) );

-                  src += 4;

-               }

-            }

-            else {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[RCOMP]),

-                                                    CHAN_TO_UBYTE(src[GCOMP]),

-                                                    CHAN_TO_UBYTE(src[BCOMP]),

-                                                    CHAN_TO_UBYTE(src[ACOMP]) );

-                  src += 4;

-               }

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-static GLboolean

-_mesa_texstore_argb8888(TEXSTORE_PARAMS)

-{

-   const GLboolean littleEndian = _mesa_little_endian();

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = GL_RGBA;

-

-   ASSERT(dstFormat == MESA_FORMAT_ARGB8888 ||

-          dstFormat == MESA_FORMAT_ARGB8888_REV ||

-          dstFormat == MESA_FORMAT_XRGB8888 ||

-          dstFormat == MESA_FORMAT_XRGB8888_REV );

-   ASSERT(texelBytes == 4);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       (dstFormat == MESA_FORMAT_ARGB8888 ||

-        dstFormat == MESA_FORMAT_XRGB8888) &&

-       baseInternalFormat == GL_RGBA &&

-       srcFormat == GL_BGRA &&

-       ((srcType == GL_UNSIGNED_BYTE && littleEndian) ||

-        srcType == GL_UNSIGNED_INT_8_8_8_8_REV)) {

-      /* simple memcpy path (little endian) */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       (dstFormat == MESA_FORMAT_ARGB8888_REV ||

-        dstFormat == MESA_FORMAT_XRGB8888_REV) &&

-       baseInternalFormat == GL_RGBA &&

-       srcFormat == GL_BGRA &&

-       ((srcType == GL_UNSIGNED_BYTE && !littleEndian) ||

-        srcType == GL_UNSIGNED_INT_8_8_8_8)) {

-      /* simple memcpy path (big endian) */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (!ctx->_ImageTransferState &&

-            !srcPacking->SwapBytes &&

-	    (dstFormat == MESA_FORMAT_ARGB8888 ||

-             dstFormat == MESA_FORMAT_XRGB8888) &&

-            srcFormat == GL_RGB &&

-	    (baseInternalFormat == GL_RGBA ||

-	     baseInternalFormat == GL_RGB) &&

-            srcType == GL_UNSIGNED_BYTE) {

-      int img, row, col;

-      for (img = 0; img < srcDepth; img++) {

-         const GLint srcRowStride =

-            _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);

-         GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,

-                  srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLuint *d4 = (GLuint *) dstRow;

-            for (col = 0; col < srcWidth; col++) {

-               d4[col] = PACK_COLOR_8888(0xff,

-                                         srcRow[col * 3 + RCOMP],

-                                         srcRow[col * 3 + GCOMP],

-                                         srcRow[col * 3 + BCOMP]);

-            }

-            dstRow += dstRowStride;

-            srcRow += srcRowStride;

-         }

-      }

-   }

-   else if (!ctx->_ImageTransferState &&

-            !srcPacking->SwapBytes &&

-	    dstFormat == MESA_FORMAT_ARGB8888 &&

-            srcFormat == GL_RGBA &&

-	    baseInternalFormat == GL_RGBA &&

-            srcType == GL_UNSIGNED_BYTE) {

-      /* same as above case, but src data has alpha too */

-      GLint img, row, col;

-      /* For some reason, streaming copies to write-combined regions

-       * are extremely sensitive to the characteristics of how the

-       * source data is retrieved.  By reordering the source reads to

-       * be in-order, the speed of this operation increases by half.

-       * Strangely the same isn't required for the RGB path, above.

-       */

-      for (img = 0; img < srcDepth; img++) {

-         const GLint srcRowStride =

-            _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);

-         GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,

-                  srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLuint *d4 = (GLuint *) dstRow;

-            for (col = 0; col < srcWidth; col++) {

-               d4[col] = PACK_COLOR_8888(srcRow[col * 4 + ACOMP],

-                                         srcRow[col * 4 + RCOMP],

-                                         srcRow[col * 4 + GCOMP],

-                                         srcRow[col * 4 + BCOMP]);

-            }

-            dstRow += dstRowStride;

-            srcRow += srcRowStride;

-         }

-      }

-   }

-   else if (!ctx->_ImageTransferState &&

-	    (srcType == GL_UNSIGNED_BYTE ||

-	     srcType == GL_UNSIGNED_INT_8_8_8_8 ||

-	     srcType == GL_UNSIGNED_INT_8_8_8_8_REV) &&

-	    can_swizzle(baseInternalFormat) &&	   

-	    can_swizzle(srcFormat)) {

-

-      GLubyte dstmap[4];

-

-      /* dstmap - how to swizzle from RGBA to dst format:

-       */

-      if ((littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||

-          (littleEndian && dstFormat == MESA_FORMAT_XRGB8888) ||

-	  (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||

-	  (!littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV)) {

-	 dstmap[3] = 3;		/* alpha */

-	 dstmap[2] = 0;		/* red */

-	 dstmap[1] = 1;		/* green */

-	 dstmap[0] = 2;		/* blue */

-      }

-      else {

-	 assert((littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||

-		(!littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||

-		(littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV) ||

-		(!littleEndian && dstFormat == MESA_FORMAT_XRGB8888));

-	 dstmap[3] = 2;

-	 dstmap[2] = 1;

-	 dstmap[1] = 0;

-	 dstmap[0] = 3;

-      }

- 

-      _mesa_swizzle_ubyte_image(ctx, dims,

-				srcFormat,

-				srcType,

-				baseInternalFormat,

-				dstmap, 4,

-				dstAddr, dstXoffset, dstYoffset, dstZoffset,

-				dstRowStride,

-                                dstImageOffsets,

-				srcWidth, srcHeight, srcDepth, srcAddr,

-				srcPacking);      

-   }

-   else {

-      /* general path */

-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking);

-      const GLchan *src = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLuint *dstUI = (GLuint *) dstRow;

-            if (dstFormat == MESA_FORMAT_ARGB8888) {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[ACOMP]),

-                                                CHAN_TO_UBYTE(src[RCOMP]),

-                                                CHAN_TO_UBYTE(src[GCOMP]),

-                                                CHAN_TO_UBYTE(src[BCOMP]) );

-                  src += 4;

-               }

-            }

-            else if (dstFormat == MESA_FORMAT_XRGB8888) {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUI[col] = PACK_COLOR_8888( 0xff,

-                                                CHAN_TO_UBYTE(src[RCOMP]),

-                                                CHAN_TO_UBYTE(src[GCOMP]),

-                                                CHAN_TO_UBYTE(src[BCOMP]) );

-                  src += 4;

-               }

-            }

-            else {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[ACOMP]),

-                                                    CHAN_TO_UBYTE(src[RCOMP]),

-                                                    CHAN_TO_UBYTE(src[GCOMP]),

-                                                    CHAN_TO_UBYTE(src[BCOMP]) );

-                  src += 4;

-               }

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-static GLboolean

-_mesa_texstore_rgb888(TEXSTORE_PARAMS)

-{

-   const GLboolean littleEndian = _mesa_little_endian();

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGB888);

-   ASSERT(texelBytes == 3);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       baseInternalFormat == GL_RGB &&

-       srcFormat == GL_BGR &&

-       srcType == GL_UNSIGNED_BYTE &&

-       littleEndian) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (!ctx->_ImageTransferState &&

-            !srcPacking->SwapBytes &&

-            srcFormat == GL_RGBA &&

-            srcType == GL_UNSIGNED_BYTE) {

-      /* extract RGB from RGBA */

-      GLint img, row, col;

-      for (img = 0; img < srcDepth; img++) {

-         const GLint srcRowStride =

-            _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);

-         GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,

-                  srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            for (col = 0; col < srcWidth; col++) {

-               dstRow[col * 3 + 0] = srcRow[col * 4 + BCOMP];

-               dstRow[col * 3 + 1] = srcRow[col * 4 + GCOMP];

-               dstRow[col * 3 + 2] = srcRow[col * 4 + RCOMP];

-            }

-            dstRow += dstRowStride;

-            srcRow += srcRowStride;

-         }

-      }

-   }

-   else if (!ctx->_ImageTransferState &&

-	    srcType == GL_UNSIGNED_BYTE &&

-	    can_swizzle(baseInternalFormat) &&

-	    can_swizzle(srcFormat)) {

-

-      GLubyte dstmap[4];

-

-      /* dstmap - how to swizzle from RGBA to dst format:

-       */

-      dstmap[0] = 2;

-      dstmap[1] = 1;

-      dstmap[2] = 0;

-      dstmap[3] = ONE;		/* ? */

-      

-      _mesa_swizzle_ubyte_image(ctx, dims,

-				srcFormat,

-				srcType,

-				baseInternalFormat,

-				dstmap, 3,

-				dstAddr, dstXoffset, dstYoffset, dstZoffset,

-				dstRowStride, dstImageOffsets,

-				srcWidth, srcHeight, srcDepth, srcAddr,

-				srcPacking);      

-   }

-   else {

-      /* general path */

-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking);

-      const GLchan *src = (const GLchan *) tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-#if 0

-            if (littleEndian) {

-               for (col = 0; col < srcWidth; col++) {

-                  dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]);

-                  dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);

-                  dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]);

-                  srcUB += 3;

-               }

-            }

-            else {

-               for (col = 0; col < srcWidth; col++) {

-                  dstRow[col * 3 + 0] = srcUB[BCOMP];

-                  dstRow[col * 3 + 1] = srcUB[GCOMP];

-                  dstRow[col * 3 + 2] = srcUB[RCOMP];

-                  srcUB += 3;

-               }

-            }

-#else

-            for (col = 0; col < srcWidth; col++) {

-               dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[BCOMP]);

-               dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);

-               dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[RCOMP]);

-               src += 3;

-            }

-#endif

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-static GLboolean

-_mesa_texstore_bgr888(TEXSTORE_PARAMS)

-{

-   const GLboolean littleEndian = _mesa_little_endian();

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_BGR888);

-   ASSERT(texelBytes == 3);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       baseInternalFormat == GL_RGB &&

-       srcFormat == GL_RGB &&

-       srcType == GL_UNSIGNED_BYTE &&

-       littleEndian) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (!ctx->_ImageTransferState &&

-            !srcPacking->SwapBytes &&

-            srcFormat == GL_RGBA &&

-            srcType == GL_UNSIGNED_BYTE) {

-      /* extract BGR from RGBA */

-      int img, row, col;

-      for (img = 0; img < srcDepth; img++) {

-         const GLint srcRowStride =

-            _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);

-         GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,

-                  srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            for (col = 0; col < srcWidth; col++) {

-               dstRow[col * 3 + 0] = srcRow[col * 4 + RCOMP];

-               dstRow[col * 3 + 1] = srcRow[col * 4 + GCOMP];

-               dstRow[col * 3 + 2] = srcRow[col * 4 + BCOMP];

-            }

-            dstRow += dstRowStride;

-            srcRow += srcRowStride;

-         }

-      }

-   }

-   else if (!ctx->_ImageTransferState &&

-	    srcType == GL_UNSIGNED_BYTE &&

-	    can_swizzle(baseInternalFormat) &&

-	    can_swizzle(srcFormat)) {

-

-      GLubyte dstmap[4];

-

-      /* dstmap - how to swizzle from RGBA to dst format:

-       */

-      dstmap[0] = 0;

-      dstmap[1] = 1;

-      dstmap[2] = 2;

-      dstmap[3] = ONE;		/* ? */

-      

-      _mesa_swizzle_ubyte_image(ctx, dims,

-				srcFormat,

-				srcType,

-				baseInternalFormat,

-				dstmap, 3,

-				dstAddr, dstXoffset, dstYoffset, dstZoffset,

-				dstRowStride, dstImageOffsets,

-				srcWidth, srcHeight, srcDepth, srcAddr,

-				srcPacking);      

-   }   

-   else {

-      /* general path */

-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking);

-      const GLchan *src = (const GLchan *) tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            for (col = 0; col < srcWidth; col++) {

-               dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]);

-               dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);

-               dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]);

-               src += 3;

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-static GLboolean

-_mesa_texstore_argb4444(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_ARGB4444 ||

-          dstFormat == MESA_FORMAT_ARGB4444_REV);

-   ASSERT(texelBytes == 2);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       dstFormat == MESA_FORMAT_ARGB4444 &&

-       baseInternalFormat == GL_RGBA &&

-       srcFormat == GL_BGRA &&

-       srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking);

-      const GLchan *src = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLushort *dstUS = (GLushort *) dstRow;

-            if (dstFormat == MESA_FORMAT_ARGB4444) {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUS[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[ACOMP]),

-                                                CHAN_TO_UBYTE(src[RCOMP]),

-                                                CHAN_TO_UBYTE(src[GCOMP]),

-                                                CHAN_TO_UBYTE(src[BCOMP]) );

-                  src += 4;

-               }

-            }

-            else {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUS[col] = PACK_COLOR_4444_REV( CHAN_TO_UBYTE(src[ACOMP]),

-                                                    CHAN_TO_UBYTE(src[RCOMP]),

-                                                    CHAN_TO_UBYTE(src[GCOMP]),

-                                                    CHAN_TO_UBYTE(src[BCOMP]) );

-                  src += 4;

-               }

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-static GLboolean

-_mesa_texstore_rgba5551(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGBA5551);

-   ASSERT(texelBytes == 2);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       dstFormat == MESA_FORMAT_RGBA5551 &&

-       baseInternalFormat == GL_RGBA &&

-       srcFormat == GL_RGBA &&

-       srcType == GL_UNSIGNED_SHORT_5_5_5_1) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking);

-      const GLchan *src =tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLushort *dstUS = (GLushort *) dstRow;

-	    for (col = 0; col < srcWidth; col++) {

-	       dstUS[col] = PACK_COLOR_5551( CHAN_TO_UBYTE(src[RCOMP]),

-					     CHAN_TO_UBYTE(src[GCOMP]),

-					     CHAN_TO_UBYTE(src[BCOMP]),

-					     CHAN_TO_UBYTE(src[ACOMP]) );

-	      src += 4;

-	    }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-static GLboolean

-_mesa_texstore_argb1555(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_ARGB1555 ||

-          dstFormat == MESA_FORMAT_ARGB1555_REV);

-   ASSERT(texelBytes == 2);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       dstFormat == MESA_FORMAT_ARGB1555 &&

-       baseInternalFormat == GL_RGBA &&

-       srcFormat == GL_BGRA &&

-       srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking);

-      const GLchan *src =tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLushort *dstUS = (GLushort *) dstRow;

-            if (dstFormat == MESA_FORMAT_ARGB1555) {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUS[col] = PACK_COLOR_1555( CHAN_TO_UBYTE(src[ACOMP]),

-                                                CHAN_TO_UBYTE(src[RCOMP]),

-                                                CHAN_TO_UBYTE(src[GCOMP]),

-                                                CHAN_TO_UBYTE(src[BCOMP]) );

-                  src += 4;

-               }

-            }

-            else {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUS[col] = PACK_COLOR_1555_REV( CHAN_TO_UBYTE(src[ACOMP]),

-                                                    CHAN_TO_UBYTE(src[RCOMP]),

-                                                    CHAN_TO_UBYTE(src[GCOMP]),

-                                                    CHAN_TO_UBYTE(src[BCOMP]) );

-                  src += 4;

-               }

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-static GLboolean

-_mesa_texstore_argb2101010(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_ARGB2101010);

-   ASSERT(texelBytes == 4);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       dstFormat == MESA_FORMAT_ARGB2101010 &&

-       srcFormat == GL_BGRA &&

-       srcType == GL_UNSIGNED_INT_2_10_10_10_REV &&

-       baseInternalFormat == GL_RGBA) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking,

-                                                 ctx->_ImageTransferState);

-      const GLfloat *src = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         if (baseInternalFormat == GL_RGBA) {

-            for (row = 0; row < srcHeight; row++) {

-               GLuint *dstUI = (GLuint *) dstRow;

-               for (col = 0; col < srcWidth; col++) {

-                  GLushort a,r,g,b;

-

-                  UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]);

-                  UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]);

-                  UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]);

-                  UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]);

-                  dstUI[col] = PACK_COLOR_2101010_US(a, r, g, b);

-                  src += 4;

-               }

-               dstRow += dstRowStride;

-            }

-         } else if (baseInternalFormat == GL_RGB) {

-            for (row = 0; row < srcHeight; row++) {

-               GLuint *dstUI = (GLuint *) dstRow;

-               for (col = 0; col < srcWidth; col++) {

-                  GLushort r,g,b;

-

-                  UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]);

-                  UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]);

-                  UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]);

-                  dstUI[col] = PACK_COLOR_2101010_US(0xffff, r, g, b);

-                  src += 4;

-               }

-               dstRow += dstRowStride;

-            }

-         } else {

-            ASSERT(0);

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Do texstore for 2-channel, 4-bit/channel, unsigned normalized formats.

- */

-static GLboolean

-_mesa_texstore_unorm44(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_AL44);

-   ASSERT(texelBytes == 1);

-

-   {

-      /* general path */

-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking);

-      const GLchan *src = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLubyte *dstUS = (GLubyte *) dstRow;

-            for (col = 0; col < srcWidth; col++) {

-               /* src[0] is luminance, src[1] is alpha */

-               dstUS[col] = PACK_COLOR_44( CHAN_TO_UBYTE(src[1]),

-                                           CHAN_TO_UBYTE(src[0]) );

-               src += 2;

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Do texstore for 2-channel, 8-bit/channel, unsigned normalized formats.

- */

-static GLboolean

-_mesa_texstore_unorm88(TEXSTORE_PARAMS)

-{

-   const GLboolean littleEndian = _mesa_little_endian();

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_AL88 ||

-          dstFormat == MESA_FORMAT_AL88_REV ||

-          dstFormat == MESA_FORMAT_RG88 ||

-          dstFormat == MESA_FORMAT_RG88_REV);

-   ASSERT(texelBytes == 2);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       (dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_RG88) &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_UNSIGNED_BYTE &&

-       littleEndian) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (!ctx->_ImageTransferState &&

-	    littleEndian &&

-	    srcType == GL_UNSIGNED_BYTE &&

-	    can_swizzle(baseInternalFormat) &&

-	    can_swizzle(srcFormat)) {

-      GLubyte dstmap[4];

-

-      /* dstmap - how to swizzle from RGBA to dst format:

-       */

-      if (dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_AL88_REV) {

-	 if ((littleEndian && dstFormat == MESA_FORMAT_AL88) ||

-	     (!littleEndian && dstFormat == MESA_FORMAT_AL88_REV)) {

-	    dstmap[0] = 0;

-	    dstmap[1] = 3;

-	 }

-	 else {

-	    dstmap[0] = 3;

-	    dstmap[1] = 0;

-	 }

-      }

-      else {

-	 if ((littleEndian && dstFormat == MESA_FORMAT_RG88) ||

-	     (!littleEndian && dstFormat == MESA_FORMAT_RG88_REV)) {

-	    dstmap[0] = 0;

-	    dstmap[1] = 1;

-	 }

-	 else {

-	    dstmap[0] = 1;

-	    dstmap[1] = 0;

-	 }

-      }

-      dstmap[2] = ZERO;		/* ? */

-      dstmap[3] = ONE;		/* ? */

-      

-      _mesa_swizzle_ubyte_image(ctx, dims,

-				srcFormat,

-				srcType,

-				baseInternalFormat,

-				dstmap, 2,

-				dstAddr, dstXoffset, dstYoffset, dstZoffset,

-				dstRowStride, dstImageOffsets,

-				srcWidth, srcHeight, srcDepth, srcAddr,

-				srcPacking);      

-   }   

-   else {

-      /* general path */

-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking);

-      const GLchan *src = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLushort *dstUS = (GLushort *) dstRow;

-            if (dstFormat == MESA_FORMAT_AL88 ||

-		dstFormat == MESA_FORMAT_RG88) {

-               for (col = 0; col < srcWidth; col++) {

-                  /* src[0] is luminance, src[1] is alpha */

-                 dstUS[col] = PACK_COLOR_88( CHAN_TO_UBYTE(src[1]),

-                                             CHAN_TO_UBYTE(src[0]) );

-                 src += 2;

-               }

-            }

-            else {

-               for (col = 0; col < srcWidth; col++) {

-                  /* src[0] is luminance, src[1] is alpha */

-                 dstUS[col] = PACK_COLOR_88_REV( CHAN_TO_UBYTE(src[1]),

-                                                 CHAN_TO_UBYTE(src[0]) );

-                 src += 2;

-               }

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Do texstore for 2-channel, 16-bit/channel, unsigned normalized formats.

- */

-static GLboolean

-_mesa_texstore_unorm1616(TEXSTORE_PARAMS)

-{

-   const GLboolean littleEndian = _mesa_little_endian();

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_AL1616 ||

-          dstFormat == MESA_FORMAT_AL1616_REV ||

-	  dstFormat == MESA_FORMAT_RG1616 ||

-          dstFormat == MESA_FORMAT_RG1616_REV);

-   ASSERT(texelBytes == 4);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       (dstFormat == MESA_FORMAT_AL1616 || dstFormat == MESA_FORMAT_RG1616) &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_UNSIGNED_SHORT &&

-       littleEndian) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking,

-                                                 ctx->_ImageTransferState);

-      const GLfloat *src = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLuint *dstUI = (GLuint *) dstRow;

-            if (dstFormat == MESA_FORMAT_AL1616 ||

-		dstFormat == MESA_FORMAT_RG1616) {

-               for (col = 0; col < srcWidth; col++) {

-		  GLushort l, a;

-

-		  UNCLAMPED_FLOAT_TO_USHORT(l, src[0]);

-		  UNCLAMPED_FLOAT_TO_USHORT(a, src[1]);

-		  dstUI[col] = PACK_COLOR_1616(a, l);

-		  src += 2;

-               }

-            }

-            else {

-               for (col = 0; col < srcWidth; col++) {

-		  GLushort l, a;

-

-		  UNCLAMPED_FLOAT_TO_USHORT(l, src[0]);

-		  UNCLAMPED_FLOAT_TO_USHORT(a, src[1]);

-		  dstUI[col] = PACK_COLOR_1616_REV(a, l);

-		  src += 2;

-               }

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/* Texstore for R16, A16, L16, I16. */

-static GLboolean

-_mesa_texstore_unorm16(TEXSTORE_PARAMS)

-{

-   const GLboolean littleEndian = _mesa_little_endian();

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_R16 ||

-          dstFormat == MESA_FORMAT_A16 ||

-          dstFormat == MESA_FORMAT_L16 ||

-          dstFormat == MESA_FORMAT_I16);

-   ASSERT(texelBytes == 2);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_UNSIGNED_SHORT &&

-       littleEndian) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking,

-                                                 ctx->_ImageTransferState);

-      const GLfloat *src = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLushort *dstUS = (GLushort *) dstRow;

-	    for (col = 0; col < srcWidth; col++) {

-	       GLushort r;

-

-	       UNCLAMPED_FLOAT_TO_USHORT(r, src[0]);

-	       dstUS[col] = r;

-	       src += 1;

-	    }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-static GLboolean

-_mesa_texstore_rgba_16(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGBA_16);

-   ASSERT(texelBytes == 8);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       baseInternalFormat == GL_RGBA &&

-       srcFormat == GL_RGBA &&

-       srcType == GL_UNSIGNED_SHORT) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking,

-                                                 ctx->_ImageTransferState);

-      const GLfloat *src = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLushort *dstUS = (GLushort *) dstRow;

-            for (col = 0; col < srcWidth; col++) {

-               GLushort r, g, b, a;

-

-               UNCLAMPED_FLOAT_TO_USHORT(r, src[0]);

-               UNCLAMPED_FLOAT_TO_USHORT(g, src[1]);

-               UNCLAMPED_FLOAT_TO_USHORT(b, src[2]);

-               UNCLAMPED_FLOAT_TO_USHORT(a, src[3]);

-               dstUS[col*4+0] = r;

-               dstUS[col*4+1] = g;

-               dstUS[col*4+2] = b;

-               dstUS[col*4+3] = a;

-               src += 4;

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-static GLboolean

-_mesa_texstore_signed_rgba_16(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_SIGNED_R_16 ||

-          dstFormat == MESA_FORMAT_SIGNED_RG_16 ||

-          dstFormat == MESA_FORMAT_SIGNED_RGB_16 ||

-          dstFormat == MESA_FORMAT_SIGNED_RGBA_16);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       baseInternalFormat == GL_RGBA &&

-       dstFormat == MESA_FORMAT_SIGNED_RGBA_16 &&

-       srcFormat == GL_RGBA &&

-       srcType == GL_SHORT) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking,

-                                                 ctx->_ImageTransferState);

-      const GLfloat *src = tempImage;

-      const GLuint comps = _mesa_get_format_bytes(dstFormat) / 2;

-      GLint img, row, col;

-

-      if (!tempImage)

-         return GL_FALSE;

-

-      /* Note: tempImage is always float[4] / RGBA.  We convert to 1, 2,

-       * 3 or 4 components/pixel here.

-       */

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLshort *dstRowS = (GLshort *) dstRow;

-            for (col = 0; col < srcWidth; col++) {

-               GLuint c;

-               for (c = 0; c < comps; c++) {

-                  GLshort p;

-                  UNCLAMPED_FLOAT_TO_SHORT(p, src[col * 4 + c]);

-                  dstRowS[col * comps + c] = p;

-               }

-            }

-            dstRow += dstRowStride;

-            src += 4 * srcWidth;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-static GLboolean

-_mesa_texstore_rgb332(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGB332);

-   ASSERT(texelBytes == 1);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       baseInternalFormat == GL_RGB &&

-       srcFormat == GL_RGB && srcType == GL_UNSIGNED_BYTE_3_3_2) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking);

-      const GLchan *src = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            for (col = 0; col < srcWidth; col++) {

-               dstRow[col] = PACK_COLOR_332( CHAN_TO_UBYTE(src[RCOMP]),

-                                             CHAN_TO_UBYTE(src[GCOMP]),

-                                             CHAN_TO_UBYTE(src[BCOMP]) );

-               src += 3;

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Texstore for _mesa_texformat_a8, _mesa_texformat_l8, _mesa_texformat_i8.

- */

-static GLboolean

-_mesa_texstore_a8(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_A8 ||

-          dstFormat == MESA_FORMAT_L8 ||

-          dstFormat == MESA_FORMAT_I8 ||

-          dstFormat == MESA_FORMAT_R8);

-   ASSERT(texelBytes == 1);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_UNSIGNED_BYTE) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (!ctx->_ImageTransferState &&

-	    srcType == GL_UNSIGNED_BYTE &&

-	    can_swizzle(baseInternalFormat) &&

-	    can_swizzle(srcFormat)) {

-      GLubyte dstmap[4];

-

-      /* dstmap - how to swizzle from RGBA to dst format:

-       */

-      if (dstFormat == MESA_FORMAT_A8) {

-	 dstmap[0] = 3;

-      }

-      else {

-	 dstmap[0] = 0;

-      }

-      dstmap[1] = ZERO;		/* ? */

-      dstmap[2] = ZERO;		/* ? */

-      dstmap[3] = ONE;		/* ? */

-      

-      _mesa_swizzle_ubyte_image(ctx, dims,

-				srcFormat,

-				srcType,

-				baseInternalFormat,

-				dstmap, 1,

-				dstAddr, dstXoffset, dstYoffset, dstZoffset,

-				dstRowStride, dstImageOffsets,

-				srcWidth, srcHeight, srcDepth, srcAddr,

-				srcPacking);      

-   }   

-   else {

-      /* general path */

-      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking);

-      const GLchan *src = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            for (col = 0; col < srcWidth; col++) {

-               dstRow[col] = CHAN_TO_UBYTE(src[col]);

-            }

-            dstRow += dstRowStride;

-            src += srcWidth;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-

-static GLboolean

-_mesa_texstore_ci8(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-

-   (void) dims; (void) baseInternalFormat;

-   ASSERT(dstFormat == MESA_FORMAT_CI8);

-   ASSERT(texelBytes == 1);

-   ASSERT(baseInternalFormat == GL_COLOR_INDEX);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       srcFormat == GL_COLOR_INDEX &&

-       srcType == GL_UNSIGNED_BYTE) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      GLint img, row;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            const GLvoid *src = _mesa_image_address(dims, srcPacking,

-                srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);

-            _mesa_unpack_index_span(ctx, srcWidth, GL_UNSIGNED_BYTE, dstRow,

-                                    srcType, src, srcPacking,

-                                    ctx->_ImageTransferState);

-            dstRow += dstRowStride;

-         }

-      }

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Texstore for _mesa_texformat_ycbcr or _mesa_texformat_ycbcr_REV.

- */

-static GLboolean

-_mesa_texstore_ycbcr(TEXSTORE_PARAMS)

-{

-   const GLboolean littleEndian = _mesa_little_endian();

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-

-   (void) ctx; (void) dims; (void) baseInternalFormat;

-

-   ASSERT((dstFormat == MESA_FORMAT_YCBCR) ||

-          (dstFormat == MESA_FORMAT_YCBCR_REV));

-   ASSERT(texelBytes == 2);

-   ASSERT(ctx->Extensions.MESA_ycbcr_texture);

-   ASSERT(srcFormat == GL_YCBCR_MESA);

-   ASSERT((srcType == GL_UNSIGNED_SHORT_8_8_MESA) ||

-          (srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA));

-   ASSERT(baseInternalFormat == GL_YCBCR_MESA);

-

-   /* always just memcpy since no pixel transfer ops apply */

-   memcpy_texture(ctx, dims,

-                  dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                  dstRowStride,

-                  dstImageOffsets,

-                  srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                  srcAddr, srcPacking);

-

-   /* Check if we need byte swapping */

-   /* XXX the logic here _might_ be wrong */

-   if (srcPacking->SwapBytes ^

-       (srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA) ^

-       (dstFormat == MESA_FORMAT_YCBCR_REV) ^

-       !littleEndian) {

-      GLint img, row;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            _mesa_swap2((GLushort *) dstRow, srcWidth);

-            dstRow += dstRowStride;

-         }

-      }

-   }

-   return GL_TRUE;

-}

-

-static GLboolean

-_mesa_texstore_dudv8(TEXSTORE_PARAMS)

-{

-   const GLboolean littleEndian = _mesa_little_endian();

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_DUDV8);

-   ASSERT(texelBytes == 2);

-   ASSERT(ctx->Extensions.ATI_envmap_bumpmap);

-   ASSERT((srcFormat == GL_DU8DV8_ATI) ||

-	  (srcFormat == GL_DUDV_ATI));

-   ASSERT(baseInternalFormat == GL_DUDV_ATI);

-

-   if (!srcPacking->SwapBytes && srcType == GL_BYTE &&

-       littleEndian) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (srcType == GL_BYTE) {

-      GLubyte dstmap[4];

-

-      /* dstmap - how to swizzle from RGBA to dst format:

-       */

-      if (littleEndian) {

-	 dstmap[0] = 0;

-	 dstmap[1] = 3;

-      }

-      else {

-	 dstmap[0] = 3;

-	 dstmap[1] = 0;

-      }

-      dstmap[2] = ZERO;		/* ? */

-      dstmap[3] = ONE;		/* ? */

-      

-      _mesa_swizzle_ubyte_image(ctx, dims,

-				GL_LUMINANCE_ALPHA, /* hack */

-				GL_UNSIGNED_BYTE, /* hack */

-				GL_LUMINANCE_ALPHA, /* hack */

-				dstmap, 2,

-				dstAddr, dstXoffset, dstYoffset, dstZoffset,

-				dstRowStride, dstImageOffsets,

-				srcWidth, srcHeight, srcDepth, srcAddr,

-				srcPacking);      

-   }   

-   else {

-      /* general path - note this is defined for 2d textures only */

-      const GLint components = _mesa_components_in_format(baseInternalFormat);

-      const GLint srcStride = _mesa_image_row_stride(srcPacking, srcWidth,

-                                                     srcFormat, srcType);

-      GLbyte *tempImage, *dst, *src;

-      GLint row;

-

-      tempImage = (GLbyte *) malloc(srcWidth * srcHeight * srcDepth

-                                          * components * sizeof(GLbyte));

-      if (!tempImage)

-         return GL_FALSE;

-

-      src = (GLbyte *) _mesa_image_address(dims, srcPacking, srcAddr,

-                                           srcWidth, srcHeight,

-                                           srcFormat, srcType,

-                                           0, 0, 0);

-

-      dst = tempImage;

-      for (row = 0; row < srcHeight; row++) {

-         _mesa_unpack_dudv_span_byte(ctx, srcWidth, baseInternalFormat,

-                                     dst, srcFormat, srcType, src,

-                                     srcPacking, 0);

-         dst += srcWidth * components;

-         src += srcStride;

-      }

- 

-      src = tempImage;

-      dst = (GLbyte *) dstAddr

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-      for (row = 0; row < srcHeight; row++) {

-         memcpy(dst, src, srcWidth * texelBytes);

-         dst += dstRowStride;

-         src += srcWidth * texelBytes;

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Store a texture in MESA_FORMAT_SIGNED_R8 format.

- */

-static GLboolean

-_mesa_texstore_signed_r8(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_SIGNED_R8);

-   ASSERT(texelBytes == 1);

-

-   /* XXX look at adding optimized paths */

-   {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking,

-                                                 ctx->_ImageTransferState);

-      const GLfloat *srcRow = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLubyte *dstB = (GLubyte *) dstRow;

-            for (col = 0; col < srcWidth; col++) {

-               dstB[col] = FLOAT_TO_BYTE_TEX(srcRow[RCOMP]);

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Store a texture in MESA_FORMAT_SIGNED_RG88 format.

- */

-static GLboolean

-_mesa_texstore_signed_rg88(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_SIGNED_RG88);

-   ASSERT(texelBytes == 1);

-

-   /* XXX look at adding optimized paths */

-   {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking,

-                                                 ctx->_ImageTransferState);

-      const GLfloat *srcRow = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLushort *dstUS = (GLushort *) dstRow;

-            for (col = 0; col < srcWidth; col++) {

-               dstUS[col] = PACK_COLOR_88(FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),

-                                          FLOAT_TO_BYTE_TEX(srcRow[GCOMP]));

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Store a texture in MESA_FORMAT_SIGNED_RGBX8888.

- */

-static GLboolean

-_mesa_texstore_signed_rgbx8888(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBX8888);

-   ASSERT(texelBytes == 4);

-

-   {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking,

-                                                 ctx->_ImageTransferState);

-      const GLfloat *srcRow = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLuint *dstUI = (GLuint *) dstRow;

-            for (col = 0; col < srcWidth; col++) {

-               dstUI[col] = PACK_COLOR_8888( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),

-                                             FLOAT_TO_BYTE_TEX(srcRow[GCOMP]),

-                                             FLOAT_TO_BYTE_TEX(srcRow[BCOMP]),

-                                             0xff );

-               srcRow += 4;

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-

-/**

- * Store a texture in MESA_FORMAT_SIGNED_RGBA8888 or

- * MESA_FORMAT_SIGNED_RGBA8888_REV

- */

-static GLboolean

-_mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS)

-{

-   const GLboolean littleEndian = _mesa_little_endian();

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBA8888 ||

-          dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV);

-   ASSERT(texelBytes == 4);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       dstFormat == MESA_FORMAT_SIGNED_RGBA8888 &&

-       baseInternalFormat == GL_RGBA &&

-      ((srcFormat == GL_RGBA && srcType == GL_BYTE && !littleEndian) ||

-       (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && littleEndian))) {

-       /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV &&

-       baseInternalFormat == GL_RGBA &&

-      ((srcFormat == GL_RGBA && srcType == GL_BYTE && littleEndian) ||

-       (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && !littleEndian))) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (!ctx->_ImageTransferState &&

-	    (srcType == GL_BYTE) &&

-	    can_swizzle(baseInternalFormat) &&

-	    can_swizzle(srcFormat)) {

-

-      GLubyte dstmap[4];

-

-      /* dstmap - how to swizzle from RGBA to dst format:

-       */

-      if ((littleEndian && dstFormat == MESA_FORMAT_SIGNED_RGBA8888) ||

-	  (!littleEndian && dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV)) {

-	 dstmap[3] = 0;

-	 dstmap[2] = 1;

-	 dstmap[1] = 2;

-	 dstmap[0] = 3;

-      }

-      else {

-	 dstmap[3] = 3;

-	 dstmap[2] = 2;

-	 dstmap[1] = 1;

-	 dstmap[0] = 0;

-      }

-      

-      _mesa_swizzle_ubyte_image(ctx, dims,

-				srcFormat,

-				srcType,

-				baseInternalFormat,

-				dstmap, 4,

-				dstAddr, dstXoffset, dstYoffset, dstZoffset,

-				dstRowStride, dstImageOffsets,

-				srcWidth, srcHeight, srcDepth, srcAddr,

-				srcPacking);      

-   }

-   else {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking,

-                                                 ctx->_ImageTransferState);

-      const GLfloat *srcRow = tempImage;

-      GLint img, row, col;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLuint *dstUI = (GLuint *) dstRow;

-            if (dstFormat == MESA_FORMAT_SIGNED_RGBA8888) {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUI[col] = PACK_COLOR_8888( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),

-                                                FLOAT_TO_BYTE_TEX(srcRow[GCOMP]),

-                                                FLOAT_TO_BYTE_TEX(srcRow[BCOMP]),

-                                                FLOAT_TO_BYTE_TEX(srcRow[ACOMP]) );

-                  srcRow += 4;

-               }

-            }

-            else {

-               for (col = 0; col < srcWidth; col++) {

-                  dstUI[col] = PACK_COLOR_8888_REV( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),

-                                                    FLOAT_TO_BYTE_TEX(srcRow[GCOMP]),

-                                                    FLOAT_TO_BYTE_TEX(srcRow[BCOMP]),

-                                                    FLOAT_TO_BYTE_TEX(srcRow[ACOMP]) );

-                  srcRow += 4;

-               }

-            }

-            dstRow += dstRowStride;

-         }

-      }

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Store a combined depth/stencil texture image.

- */

-static GLboolean

-_mesa_texstore_z24_s8(TEXSTORE_PARAMS)

-{

-   const GLuint depthScale = 0xffffff;

-   const GLint srcRowStride

-      = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)

-      / sizeof(GLuint);

-   GLint img, row;

-

-   ASSERT(dstFormat == MESA_FORMAT_Z24_S8);

-   ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT);

-   ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT);

-

-   if (srcFormat != GL_DEPTH_COMPONENT && ctx->Pixel.DepthScale == 1.0f &&

-       ctx->Pixel.DepthBias == 0.0f &&

-       !srcPacking->SwapBytes) {

-      /* simple path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else if (srcFormat == GL_DEPTH_COMPONENT) {

-      /* In case we only upload depth we need to preserve the stencil */

-      for (img = 0; img < srcDepth; img++) {

-	 GLuint *dstRow = (GLuint *) dstAddr

-            + dstImageOffsets[dstZoffset + img]

-            + dstYoffset * dstRowStride / sizeof(GLuint)

-            + dstXoffset;

-         const GLuint *src

-            = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,

-                  srcWidth, srcHeight,

-                  srcFormat, srcType,

-                  img, 0, 0);

-         for (row = 0; row < srcHeight; row++) {

-            GLuint depth[MAX_WIDTH];

-	    GLubyte stencil[MAX_WIDTH];

-            GLint i;

-	    GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE;

-

-	    if (srcFormat == GL_DEPTH_COMPONENT) { /* preserve stencil */

-	       keepstencil = GL_TRUE;

-	    }

-            else if (srcFormat == GL_STENCIL_INDEX) { /* preserve depth */

-	       keepdepth = GL_TRUE;

-	    }

-

-	    if (keepdepth == GL_FALSE)

-	       /* the 24 depth bits will be in the low position: */

-	       _mesa_unpack_depth_span(ctx, srcWidth,

-				       GL_UNSIGNED_INT, /* dst type */

-				       keepstencil ? depth : dstRow, /* dst addr */

-				       depthScale,

-				       srcType, src, srcPacking);

-

-	    if (keepstencil == GL_FALSE)

-	       /* get the 8-bit stencil values */

-	       _mesa_unpack_stencil_span(ctx, srcWidth,

-					 GL_UNSIGNED_BYTE, /* dst type */

-					 stencil, /* dst addr */

-					 srcType, src, srcPacking,

-					 ctx->_ImageTransferState);

-

-	    for (i = 0; i < srcWidth; i++) {

-	       if (keepstencil)

-		  dstRow[i] = depth[i] << 8 | (dstRow[i] & 0x000000FF);

-	       else

-		  dstRow[i] = (dstRow[i] & 0xFFFFFF00) | (stencil[i] & 0xFF);

-	    }

-

-            src += srcRowStride;

-            dstRow += dstRowStride / sizeof(GLuint);

-         }

-      }

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Store a combined depth/stencil texture image.

- */

-static GLboolean

-_mesa_texstore_s8_z24(TEXSTORE_PARAMS)

-{

-   const GLuint depthScale = 0xffffff;

-   const GLint srcRowStride

-      = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)

-      / sizeof(GLuint);

-   GLint img, row;

-

-   ASSERT(dstFormat == MESA_FORMAT_S8_Z24);

-   ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT ||

-          srcFormat == GL_DEPTH_COMPONENT ||

-          srcFormat == GL_STENCIL_INDEX);

-   ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT ||

-          srcType == GL_UNSIGNED_INT_24_8_EXT);

-

-   for (img = 0; img < srcDepth; img++) {

-      GLuint *dstRow = (GLuint *) dstAddr

-	 + dstImageOffsets[dstZoffset + img]

-	 + dstYoffset * dstRowStride / sizeof(GLuint)

-	 + dstXoffset;

-      const GLuint *src

-	 = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,

-						srcWidth, srcHeight,

-						srcFormat, srcType,

-						img, 0, 0);

-      for (row = 0; row < srcHeight; row++) {

-	 GLuint depth[MAX_WIDTH];

-	 GLubyte stencil[MAX_WIDTH];

-	 GLint i;

-	 GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE;

-	 

-	 if (srcFormat == GL_DEPTH_COMPONENT) { /* preserve stencil */

-	    keepstencil = GL_TRUE;

-	 }

-         else if (srcFormat == GL_STENCIL_INDEX) { /* preserve depth */

-	    keepdepth = GL_TRUE;

-	 }

-

-	 if (keepdepth == GL_FALSE)

-	    /* the 24 depth bits will be in the low position: */

-	    _mesa_unpack_depth_span(ctx, srcWidth,

-				    GL_UNSIGNED_INT, /* dst type */

-				    keepstencil ? depth : dstRow, /* dst addr */

-				    depthScale,

-				    srcType, src, srcPacking);	 

-

-	 if (keepstencil == GL_FALSE)

-	    /* get the 8-bit stencil values */

-	    _mesa_unpack_stencil_span(ctx, srcWidth,

-				      GL_UNSIGNED_BYTE, /* dst type */

-				      stencil, /* dst addr */

-				      srcType, src, srcPacking,

-				      ctx->_ImageTransferState);

-

-	 /* merge stencil values into depth values */

-	 for (i = 0; i < srcWidth; i++) {

-	    if (keepstencil)

-	       dstRow[i] = depth[i] | (dstRow[i] & 0xFF000000);

-	    else

-	       dstRow[i] = (dstRow[i] & 0xFFFFFF) | (stencil[i] << 24);

-

-	 }

-	 src += srcRowStride;

-	 dstRow += dstRowStride / sizeof(GLuint);

-      }

-   }

-   return GL_TRUE;

-}

-

-

-/**

- * Store simple 8-bit/value stencil texture data.

- */

-static GLboolean

-_mesa_texstore_s8(TEXSTORE_PARAMS)

-{

-   ASSERT(dstFormat == MESA_FORMAT_S8);

-   ASSERT(srcFormat == GL_STENCIL_INDEX);

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_UNSIGNED_BYTE) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      const GLint srcRowStride

-	 = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)

-	 / sizeof(GLuint);

-      GLint img, row;

-      

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img]

-            + dstYoffset * dstRowStride / sizeof(GLuint)

-            + dstXoffset;

-         const GLuint *src

-            = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,

-                                                   srcWidth, srcHeight,

-                                                   srcFormat, srcType,

-                                                   img, 0, 0);

-         for (row = 0; row < srcHeight; row++) {

-            GLubyte stencil[MAX_WIDTH];

-            GLint i;

-

-            /* get the 8-bit stencil values */

-            _mesa_unpack_stencil_span(ctx, srcWidth,

-                                      GL_UNSIGNED_BYTE, /* dst type */

-                                      stencil, /* dst addr */

-                                      srcType, src, srcPacking,

-                                      ctx->_ImageTransferState);

-            /* merge stencil values into depth values */

-            for (i = 0; i < srcWidth; i++)

-               dstRow[i] = stencil[i];

-

-            src += srcRowStride;

-            dstRow += dstRowStride / sizeof(GLubyte);

-         }

-      }

-

-   }

-

-   return GL_TRUE;

-}

-

-

-/**

- * Store an image in any of the formats:

- *   _mesa_texformat_rgba_float32

- *   _mesa_texformat_rgb_float32

- *   _mesa_texformat_alpha_float32

- *   _mesa_texformat_luminance_float32

- *   _mesa_texformat_luminance_alpha_float32

- *   _mesa_texformat_intensity_float32

- */

-static GLboolean

-_mesa_texstore_rgba_float32(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-   const GLint components = _mesa_components_in_format(baseFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGBA_FLOAT32 ||

-          dstFormat == MESA_FORMAT_RGB_FLOAT32 ||

-          dstFormat == MESA_FORMAT_ALPHA_FLOAT32 ||

-          dstFormat == MESA_FORMAT_LUMINANCE_FLOAT32 ||

-          dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32 ||

-          dstFormat == MESA_FORMAT_INTENSITY_FLOAT32);

-   ASSERT(baseInternalFormat == GL_RGBA ||

-          baseInternalFormat == GL_RGB ||

-          baseInternalFormat == GL_ALPHA ||

-          baseInternalFormat == GL_LUMINANCE ||

-          baseInternalFormat == GL_LUMINANCE_ALPHA ||

-          baseInternalFormat == GL_INTENSITY);

-   ASSERT(texelBytes == components * sizeof(GLfloat));

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_FLOAT) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking,

-                                                 ctx->_ImageTransferState);

-      const GLfloat *srcRow = tempImage;

-      GLint bytesPerRow;

-      GLint img, row;

-      if (!tempImage)

-         return GL_FALSE;

-      bytesPerRow = srcWidth * components * sizeof(GLfloat);

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            memcpy(dstRow, srcRow, bytesPerRow);

-            dstRow += dstRowStride;

-            srcRow += srcWidth * components;

-         }

-      }

-

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-

-/**

- * As above, but store 16-bit floats.

- */

-static GLboolean

-_mesa_texstore_rgba_float16(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-   const GLint components = _mesa_components_in_format(baseFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGBA_FLOAT16 ||

-          dstFormat == MESA_FORMAT_RGB_FLOAT16 ||

-          dstFormat == MESA_FORMAT_ALPHA_FLOAT16 ||

-          dstFormat == MESA_FORMAT_LUMINANCE_FLOAT16 ||

-          dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16 ||

-          dstFormat == MESA_FORMAT_INTENSITY_FLOAT16);

-   ASSERT(baseInternalFormat == GL_RGBA ||

-          baseInternalFormat == GL_RGB ||

-          baseInternalFormat == GL_ALPHA ||

-          baseInternalFormat == GL_LUMINANCE ||

-          baseInternalFormat == GL_LUMINANCE_ALPHA ||

-          baseInternalFormat == GL_INTENSITY);

-   ASSERT(texelBytes == components * sizeof(GLhalfARB));

-

-   if (!ctx->_ImageTransferState &&

-       !srcPacking->SwapBytes &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_HALF_FLOAT_ARB) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking,

-                                                 ctx->_ImageTransferState);

-      const GLfloat *src = tempImage;

-      GLint img, row;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLhalfARB *dstTexel = (GLhalfARB *) dstRow;

-            GLint i;

-            for (i = 0; i < srcWidth * components; i++) {

-               dstTexel[i] = _mesa_float_to_half(src[i]);

-            }

-            dstRow += dstRowStride;

-            src += srcWidth * components;

-         }

-      }

-

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/* non-normalized, signed int8 */

-static GLboolean

-_mesa_texstore_rgba_int8(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-   const GLint components = _mesa_components_in_format(baseFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGBA_INT8);

-   ASSERT(baseInternalFormat == GL_RGBA ||

-          baseInternalFormat == GL_RGB ||

-          baseInternalFormat == GL_ALPHA ||

-          baseInternalFormat == GL_LUMINANCE ||

-          baseInternalFormat == GL_LUMINANCE_ALPHA ||

-          baseInternalFormat == GL_INTENSITY);

-   ASSERT(texelBytes == components * sizeof(GLbyte));

-

-   /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply

-    * to integer formats.

-    */

-   if (!srcPacking->SwapBytes &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_BYTE) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking, 0x0);

-      const GLfloat *src = tempImage;

-      GLint img, row;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLbyte *dstTexel = (GLbyte *) dstRow;

-            GLint i;

-            for (i = 0; i < srcWidth * components; i++) {

-               dstTexel[i] = (GLbyte) src[i];

-            }

-            dstRow += dstRowStride;

-            src += srcWidth * components;

-         }

-      }

-

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/* non-normalized, signed int16 */

-static GLboolean

-_mesa_texstore_rgba_int16(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-   const GLint components = _mesa_components_in_format(baseFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGBA_INT16);

-   ASSERT(baseInternalFormat == GL_RGBA ||

-          baseInternalFormat == GL_RGB ||

-          baseInternalFormat == GL_ALPHA ||

-          baseInternalFormat == GL_LUMINANCE ||

-          baseInternalFormat == GL_LUMINANCE_ALPHA ||

-          baseInternalFormat == GL_INTENSITY);

-   ASSERT(texelBytes == components * sizeof(GLshort));

-

-   /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply

-    * to integer formats.

-    */

-   if (!srcPacking->SwapBytes &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_SHORT) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking, 0x0);

-      const GLfloat *src = tempImage;

-      GLint img, row;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLshort *dstTexel = (GLshort *) dstRow;

-            GLint i;

-            for (i = 0; i < srcWidth * components; i++) {

-               dstTexel[i] = (GLint) src[i];

-            }

-            dstRow += dstRowStride;

-            src += srcWidth * components;

-         }

-      }

-

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/* non-normalized, signed int32 */

-static GLboolean

-_mesa_texstore_rgba_int32(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-   const GLint components = _mesa_components_in_format(baseFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGBA_INT32);

-   ASSERT(baseInternalFormat == GL_RGBA ||

-          baseInternalFormat == GL_RGB ||

-          baseInternalFormat == GL_ALPHA ||

-          baseInternalFormat == GL_LUMINANCE ||

-          baseInternalFormat == GL_LUMINANCE_ALPHA ||

-          baseInternalFormat == GL_INTENSITY);

-   ASSERT(texelBytes == components * sizeof(GLint));

-

-   /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply

-    * to integer formats.

-    */

-   if (!srcPacking->SwapBytes &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_INT) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLfloat *tempImage = make_temp_float_image(ctx, dims,

-                                                 baseInternalFormat,

-                                                 baseFormat,

-                                                 srcWidth, srcHeight, srcDepth,

-                                                 srcFormat, srcType, srcAddr,

-                                                 srcPacking, 0x0);

-      const GLfloat *src = tempImage;

-      GLint img, row;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLint *dstTexel = (GLint *) dstRow;

-            GLint i;

-            for (i = 0; i < srcWidth * components; i++) {

-               dstTexel[i] = (GLint) src[i];

-            }

-            dstRow += dstRowStride;

-            src += srcWidth * components;

-         }

-      }

-

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/* non-normalized, unsigned int8 */

-static GLboolean

-_mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-   const GLint components = _mesa_components_in_format(baseFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT8);

-   ASSERT(baseInternalFormat == GL_RGBA ||

-          baseInternalFormat == GL_RGB ||

-          baseInternalFormat == GL_ALPHA ||

-          baseInternalFormat == GL_LUMINANCE ||

-          baseInternalFormat == GL_LUMINANCE_ALPHA ||

-          baseInternalFormat == GL_INTENSITY);

-   ASSERT(texelBytes == components * sizeof(GLubyte));

-

-   /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply

-    * to integer formats.

-    */

-   if (!srcPacking->SwapBytes &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_UNSIGNED_BYTE) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLuint *tempImage =

-         make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,

-                              srcWidth, srcHeight, srcDepth,

-                              srcFormat, srcType, srcAddr, srcPacking);

-      const GLuint *src = tempImage;

-      GLint img, row;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLubyte *dstTexel = (GLubyte *) dstRow;

-            GLint i;

-            for (i = 0; i < srcWidth * components; i++) {

-               dstTexel[i] = (GLubyte) CLAMP(src[i], 0, 0xff);

-            }

-            dstRow += dstRowStride;

-            src += srcWidth * components;

-         }

-      }

-

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/* non-normalized, unsigned int16 */

-static GLboolean

-_mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-   const GLint components = _mesa_components_in_format(baseFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT16);

-   ASSERT(baseInternalFormat == GL_RGBA ||

-          baseInternalFormat == GL_RGB ||

-          baseInternalFormat == GL_ALPHA ||

-          baseInternalFormat == GL_LUMINANCE ||

-          baseInternalFormat == GL_LUMINANCE_ALPHA ||

-          baseInternalFormat == GL_INTENSITY);

-   ASSERT(texelBytes == components * sizeof(GLushort));

-

-   /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply

-    * to integer formats.

-    */

-   if (!srcPacking->SwapBytes &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_UNSIGNED_SHORT) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLuint *tempImage =

-         make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,

-                              srcWidth, srcHeight, srcDepth,

-                              srcFormat, srcType, srcAddr, srcPacking);

-      const GLuint *src = tempImage;

-      GLint img, row;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLushort *dstTexel = (GLushort *) dstRow;

-            GLint i;

-            for (i = 0; i < srcWidth * components; i++) {

-               dstTexel[i] = (GLushort) CLAMP(src[i], 0, 0xffff);

-            }

-            dstRow += dstRowStride;

-            src += srcWidth * components;

-         }

-      }

-

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-/* non-normalized, unsigned int32 */

-static GLboolean

-_mesa_texstore_rgba_uint32(TEXSTORE_PARAMS)

-{

-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);

-   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);

-   const GLint components = _mesa_components_in_format(baseFormat);

-

-   ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT32);

-   ASSERT(baseInternalFormat == GL_RGBA ||

-          baseInternalFormat == GL_RGB ||

-          baseInternalFormat == GL_ALPHA ||

-          baseInternalFormat == GL_LUMINANCE ||

-          baseInternalFormat == GL_LUMINANCE_ALPHA ||

-          baseInternalFormat == GL_INTENSITY);

-   ASSERT(texelBytes == components * sizeof(GLuint));

-

-   /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply

-    * to integer formats.

-    */

-   if (!srcPacking->SwapBytes &&

-       baseInternalFormat == srcFormat &&

-       srcType == GL_UNSIGNED_INT) {

-      /* simple memcpy path */

-      memcpy_texture(ctx, dims,

-                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                     dstRowStride,

-                     dstImageOffsets,

-                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,

-                     srcAddr, srcPacking);

-   }

-   else {

-      /* general path */

-      const GLuint *tempImage =

-         make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,

-                              srcWidth, srcHeight, srcDepth,

-                              srcFormat, srcType, srcAddr, srcPacking);

-      const GLuint *src = tempImage;

-      GLint img, row;

-      if (!tempImage)

-         return GL_FALSE;

-      for (img = 0; img < srcDepth; img++) {

-         GLubyte *dstRow = (GLubyte *) dstAddr

-            + dstImageOffsets[dstZoffset + img] * texelBytes

-            + dstYoffset * dstRowStride

-            + dstXoffset * texelBytes;

-         for (row = 0; row < srcHeight; row++) {

-            GLuint *dstTexel = (GLuint *) dstRow;

-            GLint i;

-            for (i = 0; i < srcWidth * components; i++) {

-               dstTexel[i] = src[i];

-            }

-            dstRow += dstRowStride;

-            src += srcWidth * components;

-         }

-      }

-

-      free((void *) tempImage);

-   }

-   return GL_TRUE;

-}

-

-

-

-

-#if FEATURE_EXT_texture_sRGB

-static GLboolean

-_mesa_texstore_srgb8(TEXSTORE_PARAMS)

-{

-   gl_format newDstFormat;

-   GLboolean k;

-

-   ASSERT(dstFormat == MESA_FORMAT_SRGB8);

-

-   /* reuse normal rgb texstore code */

-   newDstFormat = MESA_FORMAT_RGB888;

-

-   k = _mesa_texstore_rgb888(ctx, dims, baseInternalFormat,

-                             newDstFormat, dstAddr,

-                             dstXoffset, dstYoffset, dstZoffset,

-                             dstRowStride, dstImageOffsets,

-                             srcWidth, srcHeight, srcDepth,

-                             srcFormat, srcType,

-                             srcAddr, srcPacking);

-   return k;

-}

-

-

-static GLboolean

-_mesa_texstore_srgba8(TEXSTORE_PARAMS)

-{

-   gl_format newDstFormat;

-   GLboolean k;

-

-   ASSERT(dstFormat == MESA_FORMAT_SRGBA8);

-

-   /* reuse normal rgba texstore code */

-   newDstFormat = MESA_FORMAT_RGBA8888;

-   k = _mesa_texstore_rgba8888(ctx, dims, baseInternalFormat,

-                               newDstFormat, dstAddr,

-                               dstXoffset, dstYoffset, dstZoffset,

-                               dstRowStride, dstImageOffsets,

-                               srcWidth, srcHeight, srcDepth,

-                               srcFormat, srcType,

-                               srcAddr, srcPacking);

-   return k;

-}

-

-

-static GLboolean

-_mesa_texstore_sargb8(TEXSTORE_PARAMS)

-{

-   gl_format newDstFormat;

-   GLboolean k;

-

-   ASSERT(dstFormat == MESA_FORMAT_SARGB8);

-

-   /* reuse normal rgba texstore code */

-   newDstFormat = MESA_FORMAT_ARGB8888;

-

-   k = _mesa_texstore_argb8888(ctx, dims, baseInternalFormat,

-                               newDstFormat, dstAddr,

-                               dstXoffset, dstYoffset, dstZoffset,

-                               dstRowStride, dstImageOffsets,

-                               srcWidth, srcHeight, srcDepth,

-                               srcFormat, srcType,

-                               srcAddr, srcPacking);

-   return k;

-}

-

-

-static GLboolean

-_mesa_texstore_sl8(TEXSTORE_PARAMS)

-{

-   gl_format newDstFormat;

-   GLboolean k;

-

-   ASSERT(dstFormat == MESA_FORMAT_SL8);

-

-   newDstFormat = MESA_FORMAT_L8;

-

-   /* _mesa_textore_a8 handles luminance8 too */

-   k = _mesa_texstore_a8(ctx, dims, baseInternalFormat,

-                         newDstFormat, dstAddr,

-                         dstXoffset, dstYoffset, dstZoffset,

-                         dstRowStride, dstImageOffsets,

-                         srcWidth, srcHeight, srcDepth,

-                         srcFormat, srcType,

-                         srcAddr, srcPacking);

-   return k;

-}

-

-

-static GLboolean

-_mesa_texstore_sla8(TEXSTORE_PARAMS)

-{

-   gl_format newDstFormat;

-   GLboolean k;

-

-   ASSERT(dstFormat == MESA_FORMAT_SLA8);

-

-   /* reuse normal luminance/alpha texstore code */

-   newDstFormat = MESA_FORMAT_AL88;

-

-   k = _mesa_texstore_unorm88(ctx, dims, baseInternalFormat,

-			      newDstFormat, dstAddr,

-			      dstXoffset, dstYoffset, dstZoffset,

-			      dstRowStride, dstImageOffsets,

-			      srcWidth, srcHeight, srcDepth,

-			      srcFormat, srcType,

-			      srcAddr, srcPacking);

-   return k;

-}

-

-#else

-

-/* these are used only in texstore_funcs[] below */

-#define _mesa_texstore_srgb8 NULL

-#define _mesa_texstore_srgba8 NULL

-#define _mesa_texstore_sargb8 NULL

-#define _mesa_texstore_sl8 NULL

-#define _mesa_texstore_sla8 NULL

-

-#endif /* FEATURE_EXT_texture_sRGB */

-

-

-

-

-/**

- * Table mapping MESA_FORMAT_* to _mesa_texstore_*()

- * XXX this is somewhat temporary.

- */

-static const struct {

-   gl_format Name;

-   StoreTexImageFunc Store;

-}

-texstore_funcs[MESA_FORMAT_COUNT] =

-{

-   { MESA_FORMAT_NONE, NULL },

-   { MESA_FORMAT_RGBA8888, _mesa_texstore_rgba8888 },

-   { MESA_FORMAT_RGBA8888_REV, _mesa_texstore_rgba8888 },

-   { MESA_FORMAT_ARGB8888, _mesa_texstore_argb8888 },

-   { MESA_FORMAT_ARGB8888_REV, _mesa_texstore_argb8888 },

-   { MESA_FORMAT_XRGB8888, _mesa_texstore_argb8888 },

-   { MESA_FORMAT_XRGB8888_REV, _mesa_texstore_argb8888 },

-   { MESA_FORMAT_RGB888, _mesa_texstore_rgb888 },

-   { MESA_FORMAT_BGR888, _mesa_texstore_bgr888 },

-   { MESA_FORMAT_RGB565, _mesa_texstore_rgb565 },

-   { MESA_FORMAT_RGB565_REV, _mesa_texstore_rgb565 },

-   { MESA_FORMAT_ARGB4444, _mesa_texstore_argb4444 },

-   { MESA_FORMAT_ARGB4444_REV, _mesa_texstore_argb4444 },

-   { MESA_FORMAT_RGBA5551, _mesa_texstore_rgba5551 },

-   { MESA_FORMAT_ARGB1555, _mesa_texstore_argb1555 },

-   { MESA_FORMAT_ARGB1555_REV, _mesa_texstore_argb1555 },

-   { MESA_FORMAT_AL44, _mesa_texstore_unorm44 },

-   { MESA_FORMAT_AL88, _mesa_texstore_unorm88 },

-   { MESA_FORMAT_AL88_REV, _mesa_texstore_unorm88 },

-   { MESA_FORMAT_AL1616, _mesa_texstore_unorm1616 },

-   { MESA_FORMAT_AL1616_REV, _mesa_texstore_unorm1616 },

-   { MESA_FORMAT_RGB332, _mesa_texstore_rgb332 },

-   { MESA_FORMAT_A8, _mesa_texstore_a8 },

-   { MESA_FORMAT_A16, _mesa_texstore_unorm16 },

-   { MESA_FORMAT_L8, _mesa_texstore_a8 },

-   { MESA_FORMAT_L16, _mesa_texstore_unorm16 },

-   { MESA_FORMAT_I8, _mesa_texstore_a8 },

-   { MESA_FORMAT_I16, _mesa_texstore_unorm16 },

-   { MESA_FORMAT_CI8, _mesa_texstore_ci8 },

-   { MESA_FORMAT_YCBCR, _mesa_texstore_ycbcr },

-   { MESA_FORMAT_YCBCR_REV, _mesa_texstore_ycbcr },

-   { MESA_FORMAT_R8, _mesa_texstore_a8 },

-   { MESA_FORMAT_RG88, _mesa_texstore_unorm88 },

-   { MESA_FORMAT_RG88_REV, _mesa_texstore_unorm88 },

-   { MESA_FORMAT_R16, _mesa_texstore_unorm16 },

-   { MESA_FORMAT_RG1616, _mesa_texstore_unorm1616 },

-   { MESA_FORMAT_RG1616_REV, _mesa_texstore_unorm1616 },

-   { MESA_FORMAT_ARGB2101010, _mesa_texstore_argb2101010 },

-   { MESA_FORMAT_Z24_S8, _mesa_texstore_z24_s8 },

-   { MESA_FORMAT_S8_Z24, _mesa_texstore_s8_z24 },

-   { MESA_FORMAT_Z16, _mesa_texstore_z16 },

-   { MESA_FORMAT_X8_Z24, _mesa_texstore_x8_z24 },

-   { MESA_FORMAT_Z24_X8, _mesa_texstore_z24_x8 },

-   { MESA_FORMAT_Z32, _mesa_texstore_z32 },

-   { MESA_FORMAT_S8, _mesa_texstore_s8 },

-   { MESA_FORMAT_SRGB8, _mesa_texstore_srgb8 },

-   { MESA_FORMAT_SRGBA8, _mesa_texstore_srgba8 },

-   { MESA_FORMAT_SARGB8, _mesa_texstore_sargb8 },

-   { MESA_FORMAT_SL8, _mesa_texstore_sl8 },

-   { MESA_FORMAT_SLA8, _mesa_texstore_sla8 },

-   { MESA_FORMAT_SRGB_DXT1, _mesa_texstore_rgb_dxt1 },

-   { MESA_FORMAT_SRGBA_DXT1, _mesa_texstore_rgba_dxt1 },

-   { MESA_FORMAT_SRGBA_DXT3, _mesa_texstore_rgba_dxt3 },

-   { MESA_FORMAT_SRGBA_DXT5, _mesa_texstore_rgba_dxt5 },

-   { MESA_FORMAT_RGB_FXT1, _mesa_texstore_rgb_fxt1 },

-   { MESA_FORMAT_RGBA_FXT1, _mesa_texstore_rgba_fxt1 },

-   { MESA_FORMAT_RGB_DXT1, _mesa_texstore_rgb_dxt1 },

-   { MESA_FORMAT_RGBA_DXT1, _mesa_texstore_rgba_dxt1 },

-   { MESA_FORMAT_RGBA_DXT3, _mesa_texstore_rgba_dxt3 },

-   { MESA_FORMAT_RGBA_DXT5, _mesa_texstore_rgba_dxt5 },

-   { MESA_FORMAT_RGBA_FLOAT32, _mesa_texstore_rgba_float32 },

-   { MESA_FORMAT_RGBA_FLOAT16, _mesa_texstore_rgba_float16 },

-   { MESA_FORMAT_RGB_FLOAT32, _mesa_texstore_rgba_float32 },

-   { MESA_FORMAT_RGB_FLOAT16, _mesa_texstore_rgba_float16 },

-   { MESA_FORMAT_ALPHA_FLOAT32, _mesa_texstore_rgba_float32 },

-   { MESA_FORMAT_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 },

-   { MESA_FORMAT_LUMINANCE_FLOAT32, _mesa_texstore_rgba_float32 },

-   { MESA_FORMAT_LUMINANCE_FLOAT16, _mesa_texstore_rgba_float16 },

-   { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32, _mesa_texstore_rgba_float32 },

-   { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 },

-   { MESA_FORMAT_INTENSITY_FLOAT32, _mesa_texstore_rgba_float32 },

-   { MESA_FORMAT_INTENSITY_FLOAT16, _mesa_texstore_rgba_float16 },

-

-   { MESA_FORMAT_RGBA_INT8, _mesa_texstore_rgba_int8 },

-   { MESA_FORMAT_RGBA_INT16, _mesa_texstore_rgba_int16 },

-   { MESA_FORMAT_RGBA_INT32, _mesa_texstore_rgba_int32 },

-   { MESA_FORMAT_RGBA_UINT8, _mesa_texstore_rgba_uint8 },

-   { MESA_FORMAT_RGBA_UINT16, _mesa_texstore_rgba_uint16 },

-   { MESA_FORMAT_RGBA_UINT32, _mesa_texstore_rgba_uint32 },

-

-   { MESA_FORMAT_DUDV8, _mesa_texstore_dudv8 },

-

-   { MESA_FORMAT_SIGNED_R8, _mesa_texstore_signed_r8 },

-   { MESA_FORMAT_SIGNED_RG88, _mesa_texstore_signed_rg88 },

-   { MESA_FORMAT_SIGNED_RGBX8888, _mesa_texstore_signed_rgbx8888 },

-

-   { MESA_FORMAT_SIGNED_RGBA8888, _mesa_texstore_signed_rgba8888 },

-   { MESA_FORMAT_SIGNED_RGBA8888_REV, _mesa_texstore_signed_rgba8888 },

-

-   { MESA_FORMAT_SIGNED_R_16, _mesa_texstore_signed_rgba_16 },

-   { MESA_FORMAT_SIGNED_RG_16, _mesa_texstore_signed_rgba_16 },

-   { MESA_FORMAT_SIGNED_RGB_16, _mesa_texstore_signed_rgba_16 },

-   { MESA_FORMAT_SIGNED_RGBA_16, _mesa_texstore_signed_rgba_16 },

-   { MESA_FORMAT_RGBA_16, _mesa_texstore_rgba_16 }

-};

-

-

-static GLboolean

-_mesa_texstore_null(TEXSTORE_PARAMS)

-{

-   (void) ctx; (void) dims;

-   (void) baseInternalFormat;

-   (void) dstFormat;

-   (void) dstAddr;

-   (void) dstXoffset; (void) dstYoffset; (void) dstZoffset;

-   (void) dstRowStride; (void) dstImageOffsets;

-   (void) srcWidth; (void) srcHeight; (void) srcDepth;

-   (void) srcFormat; (void) srcType;

-   (void) srcAddr;

-   (void) srcPacking;

-

-   /* should never happen */

-   _mesa_problem(NULL, "_mesa_texstore_null() is called");

-   return GL_FALSE;

-}

-

-

-/**

- * Return the StoreTexImageFunc pointer to store an image in the given format.

- */

-static StoreTexImageFunc

-_mesa_get_texstore_func(gl_format format)

-{

-#ifdef DEBUG

-   GLuint i;

-   for (i = 0; i < MESA_FORMAT_COUNT; i++) {

-      ASSERT(texstore_funcs[i].Name == i);

-   }

-#endif

-   ASSERT(texstore_funcs[format].Name == format);

-

-   if (texstore_funcs[format].Store)

-      return texstore_funcs[format].Store;

-   else

-      return _mesa_texstore_null;

-}

-

-

-/**

- * Store user data into texture memory.

- * Called via glTex[Sub]Image1/2/3D()

- */

-GLboolean

-_mesa_texstore(TEXSTORE_PARAMS)

-{

-   StoreTexImageFunc storeImage;

-   GLboolean success;

-

-   storeImage = _mesa_get_texstore_func(dstFormat);

-

-   success = storeImage(ctx, dims, baseInternalFormat,

-                        dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,

-                        dstRowStride, dstImageOffsets,

-                        srcWidth, srcHeight, srcDepth,

-                        srcFormat, srcType, srcAddr, srcPacking);

-   return success;

-}

-

-

-/**

- * Check if an unpack PBO is active prior to fetching a texture image.

- * If so, do bounds checking and map the buffer into main memory.

- * Any errors detected will be recorded.

- * The caller _must_ call _mesa_unmap_teximage_pbo() too!

- */

-const GLvoid *

-_mesa_validate_pbo_teximage(struct gl_context *ctx, GLuint dimensions,

-			    GLsizei width, GLsizei height, GLsizei depth,

-			    GLenum format, GLenum type, const GLvoid *pixels,

-			    const struct gl_pixelstore_attrib *unpack,

-			    const char *funcName)

-{

-   GLubyte *buf;

-

-   if (!_mesa_is_bufferobj(unpack->BufferObj)) {

-      /* no PBO */

-      return pixels;

-   }

-   if (!_mesa_validate_pbo_access(dimensions, unpack, width, height, depth,

-                                  format, type, pixels)) {

-      _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(invalid PBO access)");

-      return NULL;

-   }

-

-   buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,

-                                          GL_READ_ONLY_ARB, unpack->BufferObj);

-   if (!buf) {

-      _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(PBO is mapped)");

-      return NULL;

-   }

-

-   return ADD_POINTERS(buf, pixels);

-}

-

-

-/**

- * Check if an unpack PBO is active prior to fetching a compressed texture

- * image.

- * If so, do bounds checking and map the buffer into main memory.

- * Any errors detected will be recorded.

- * The caller _must_ call _mesa_unmap_teximage_pbo() too!

- */

-const GLvoid *

-_mesa_validate_pbo_compressed_teximage(struct gl_context *ctx,

-                                 GLsizei imageSize, const GLvoid *pixels,

-                                 const struct gl_pixelstore_attrib *packing,

-                                 const char *funcName)

-{

-   GLubyte *buf;

-

-   if (!_mesa_is_bufferobj(packing->BufferObj)) {

-      /* not using a PBO - return pointer unchanged */

-      return pixels;

-   }

-   if ((const GLubyte *) pixels + imageSize >

-       ((const GLubyte *) 0) + packing->BufferObj->Size) {

-      /* out of bounds read! */

-      _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(invalid PBO access)");

-      return NULL;

-   }

-

-   buf = (GLubyte*) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,

-                                         GL_READ_ONLY_ARB, packing->BufferObj);

-   if (!buf) {

-      _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(PBO is mapped");

-      return NULL;

-   }

-

-   return ADD_POINTERS(buf, pixels);

-}

-

-

-/**

- * This function must be called after either of the validate_pbo_*_teximage()

- * functions.  It unmaps the PBO buffer if it was mapped earlier.

- */

-void

-_mesa_unmap_teximage_pbo(struct gl_context *ctx,

-                         const struct gl_pixelstore_attrib *unpack)

-{

-   if (_mesa_is_bufferobj(unpack->BufferObj)) {

-      ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,

-                              unpack->BufferObj);

-   }

-}

-

-

-/** Return texture size in bytes */

-static GLuint

-texture_size(const struct gl_texture_image *texImage)

-{

-   GLuint sz = _mesa_format_image_size(texImage->TexFormat, texImage->Width,

-                                       texImage->Height, texImage->Depth);

-   return sz;

-}

-

-

-/** Return row stride in bytes */

-static GLuint

-texture_row_stride(const struct gl_texture_image *texImage)

-{

-   GLuint stride = _mesa_format_row_stride(texImage->TexFormat,

-                                           texImage->Width);

-   return stride;

-}

-

-

-

-/**

- * This is the software fallback for Driver.TexImage1D()

- * and Driver.CopyTexImage1D().

- * \sa _mesa_store_teximage2d()

- */

-void

-_mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,

-                       GLint internalFormat,

-                       GLint width, GLint border,

-                       GLenum format, GLenum type, const GLvoid *pixels,

-                       const struct gl_pixelstore_attrib *packing,

-                       struct gl_texture_object *texObj,

-                       struct gl_texture_image *texImage)

-{

-   GLuint sizeInBytes;

-   (void) border;

-

-   /* allocate memory */

-   sizeInBytes = texture_size(texImage);

-   texImage->Data = _mesa_alloc_texmemory(sizeInBytes);

-   if (!texImage->Data) {

-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");

-      return;

-   }

-

-   pixels = _mesa_validate_pbo_teximage(ctx, 1, width, 1, 1, format, type,

-                                        pixels, packing, "glTexImage1D");

-   if (!pixels) {

-      /* Note: we check for a NULL image pointer here, _after_ we allocated

-       * memory for the texture.  That's what the GL spec calls for.

-       */

-      return;

-   }

-   else {

-      const GLint dstRowStride = 0;

-      GLboolean success = _mesa_texstore(ctx, 1, texImage->_BaseFormat,

-                                         texImage->TexFormat,

-                                         texImage->Data,

-                                         0, 0, 0,  /* dstX/Y/Zoffset */

-                                         dstRowStride,

-                                         texImage->ImageOffsets,

-                                         width, 1, 1,

-                                         format, type, pixels, packing);

-      if (!success) {

-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");

-      }

-   }

-

-   _mesa_unmap_teximage_pbo(ctx, packing);

-}

-

-

-/**

- * This is the software fallback for Driver.TexImage2D()

- * and Driver.CopyTexImage2D().

- *

- * This function is oriented toward storing images in main memory, rather

- * than VRAM.  Device driver's can easily plug in their own replacement.

- */

-void

-_mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,

-                       GLint internalFormat,

-                       GLint width, GLint height, GLint border,

-                       GLenum format, GLenum type, const void *pixels,

-                       const struct gl_pixelstore_attrib *packing,

-                       struct gl_texture_object *texObj,

-                       struct gl_texture_image *texImage)

-{

-   GLuint sizeInBytes;

-   (void) border;

-

-   /* allocate memory */

-   sizeInBytes = texture_size(texImage);

-   texImage->Data = _mesa_alloc_texmemory(sizeInBytes);

-   if (!texImage->Data) {

-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");

-      return;

-   }

-

-   pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, format, type,

-                                        pixels, packing, "glTexImage2D");

-   if (!pixels) {

-      /* Note: we check for a NULL image pointer here, _after_ we allocated

-       * memory for the texture.  That's what the GL spec calls for.

-       */

-      return;

-   }

-   else {

-      GLint dstRowStride = texture_row_stride(texImage);

-      GLboolean success = _mesa_texstore(ctx, 2, texImage->_BaseFormat,

-                                         texImage->TexFormat,

-                                         texImage->Data,

-                                         0, 0, 0,  /* dstX/Y/Zoffset */

-                                         dstRowStride,

-                                         texImage->ImageOffsets,

-                                         width, height, 1,

-                                         format, type, pixels, packing);

-      if (!success) {

-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");

-      }

-   }

-

-   _mesa_unmap_teximage_pbo(ctx, packing);

-}

-

-

-

-/**

- * This is the software fallback for Driver.TexImage3D()

- * and Driver.CopyTexImage3D().

- * \sa _mesa_store_teximage2d()

- */

-void

-_mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,

-                       GLint internalFormat,

-                       GLint width, GLint height, GLint depth, GLint border,

-                       GLenum format, GLenum type, const void *pixels,

-                       const struct gl_pixelstore_attrib *packing,

-                       struct gl_texture_object *texObj,

-                       struct gl_texture_image *texImage)

-{

-   GLuint sizeInBytes;

-   (void) border;

-

-   /* allocate memory */

-   sizeInBytes = texture_size(texImage);

-   texImage->Data = _mesa_alloc_texmemory(sizeInBytes);

-   if (!texImage->Data) {

-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");

-      return;

-   }

-

-   pixels = _mesa_validate_pbo_teximage(ctx, 3, width, height, depth, format,

-                                        type, pixels, packing, "glTexImage3D");

-   if (!pixels) {

-      /* Note: we check for a NULL image pointer here, _after_ we allocated

-       * memory for the texture.  That's what the GL spec calls for.

-       */

-      return;

-   }

-   else {

-      GLint dstRowStride = texture_row_stride(texImage);

-      GLboolean success = _mesa_texstore(ctx, 3, texImage->_BaseFormat,

-                                         texImage->TexFormat,

-                                         texImage->Data,

-                                         0, 0, 0,  /* dstX/Y/Zoffset */

-                                         dstRowStride,

-                                         texImage->ImageOffsets,

-                                         width, height, depth,

-                                         format, type, pixels, packing);

-      if (!success) {

-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");

-      }

-   }

-

-   _mesa_unmap_teximage_pbo(ctx, packing);

-}

-

-

-

-

-/*

- * This is the software fallback for Driver.TexSubImage1D()

- * and Driver.CopyTexSubImage1D().

- */

-void

-_mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level,

-                          GLint xoffset, GLint width,

-                          GLenum format, GLenum type, const void *pixels,

-                          const struct gl_pixelstore_attrib *packing,

-                          struct gl_texture_object *texObj,

-                          struct gl_texture_image *texImage)

-{

-   /* get pointer to src pixels (may be in a pbo which we'll map here) */

-   pixels = _mesa_validate_pbo_teximage(ctx, 1, width, 1, 1, format, type,

-                                        pixels, packing, "glTexSubImage1D");

-   if (!pixels)

-      return;

-

-   {

-      const GLint dstRowStride = 0;

-      GLboolean success = _mesa_texstore(ctx, 1, texImage->_BaseFormat,

-                                         texImage->TexFormat,

-                                         texImage->Data,

-                                         xoffset, 0, 0,  /* offsets */

-                                         dstRowStride,

-                                         texImage->ImageOffsets,

-                                         width, 1, 1,

-                                         format, type, pixels, packing);

-      if (!success) {

-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D");

-      }

-   }

-

-   _mesa_unmap_teximage_pbo(ctx, packing);

-}

-

-

-

-/**

- * This is the software fallback for Driver.TexSubImage2D()

- * and Driver.CopyTexSubImage2D().

- */

-void

-_mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level,

-                          GLint xoffset, GLint yoffset,

-                          GLint width, GLint height,

-                          GLenum format, GLenum type, const void *pixels,

-                          const struct gl_pixelstore_attrib *packing,

-                          struct gl_texture_object *texObj,

-                          struct gl_texture_image *texImage)

-{

-   /* get pointer to src pixels (may be in a pbo which we'll map here) */

-   pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, format, type,

-                                        pixels, packing, "glTexSubImage2D");

-   if (!pixels)

-      return;

-

-   {

-      GLint dstRowStride = texture_row_stride(texImage);

-      GLboolean success = _mesa_texstore(ctx, 2, texImage->_BaseFormat,

-                                         texImage->TexFormat,

-                                         texImage->Data,

-                                         xoffset, yoffset, 0,

-                                         dstRowStride,

-                                         texImage->ImageOffsets,

-                                         width, height, 1,

-                                         format, type, pixels, packing);

-      if (!success) {

-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");

-      }

-   }

-

-   _mesa_unmap_teximage_pbo(ctx, packing);

-}

-

-

-/*

- * This is the software fallback for Driver.TexSubImage3D().

- * and Driver.CopyTexSubImage3D().

- */

-void

-_mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level,

-                          GLint xoffset, GLint yoffset, GLint zoffset,

-                          GLint width, GLint height, GLint depth,

-                          GLenum format, GLenum type, const void *pixels,

-                          const struct gl_pixelstore_attrib *packing,

-                          struct gl_texture_object *texObj,

-                          struct gl_texture_image *texImage)

-{

-   /* get pointer to src pixels (may be in a pbo which we'll map here) */

-   pixels = _mesa_validate_pbo_teximage(ctx, 3, width, height, depth, format,

-                                        type, pixels, packing,

-                                        "glTexSubImage3D");

-   if (!pixels)

-      return;

-

-   {

-      GLint dstRowStride = texture_row_stride(texImage);

-      GLboolean success = _mesa_texstore(ctx, 3, texImage->_BaseFormat,

-                                         texImage->TexFormat,

-                                         texImage->Data,

-                                         xoffset, yoffset, zoffset,

-                                         dstRowStride,

-                                         texImage->ImageOffsets,

-                                         width, height, depth,

-                                         format, type, pixels, packing);

-      if (!success) {

-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage3D");

-      }

-   }

-

-   _mesa_unmap_teximage_pbo(ctx, packing);

-}

-

-

-/*

- * Fallback for Driver.CompressedTexImage1D()

- */

-void

-_mesa_store_compressed_teximage1d(struct gl_context *ctx,

-                                  GLenum target, GLint level,

-                                  GLint internalFormat,

-                                  GLint width, GLint border,

-                                  GLsizei imageSize, const GLvoid *data,

-                                  struct gl_texture_object *texObj,

-                                  struct gl_texture_image *texImage)

-{

-   /* this space intentionally left blank */

-   (void) ctx;

-   (void) target; (void) level;

-   (void) internalFormat;

-   (void) width; (void) border;

-   (void) imageSize; (void) data;

-   (void) texObj;

-   (void) texImage;

-}

-

-

-

-/**

- * Fallback for Driver.CompressedTexImage2D()

- */

-void

-_mesa_store_compressed_teximage2d(struct gl_context *ctx,

-                                  GLenum target, GLint level,

-                                  GLint internalFormat,

-                                  GLint width, GLint height, GLint border,

-                                  GLsizei imageSize, const GLvoid *data,

-                                  struct gl_texture_object *texObj,

-                                  struct gl_texture_image *texImage)

-{

-   (void) width; (void) height; (void) border;

-

-   /* This is pretty simple, basically just do a memcpy without worrying

-    * about the usual image unpacking or image transfer operations.

-    */

-   ASSERT(texObj);

-   ASSERT(texImage);

-   ASSERT(texImage->Width > 0);

-   ASSERT(texImage->Height > 0);

-   ASSERT(texImage->Depth == 1);

-   ASSERT(texImage->Data == NULL); /* was freed in glCompressedTexImage2DARB */

-

-   /* allocate storage */

-   texImage->Data = _mesa_alloc_texmemory(imageSize);

-   if (!texImage->Data) {

-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2DARB");

-      return;

-   }

-

-   data = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, data,

-                                                 &ctx->Unpack,

-                                                 "glCompressedTexImage2D");

-   if (!data)

-      return;

-

-   /* copy the data */

-   memcpy(texImage->Data, data, imageSize);

-

-   _mesa_unmap_teximage_pbo(ctx, &ctx->Unpack);

-}

-

-

-

-/*

- * Fallback for Driver.CompressedTexImage3D()

- */

-void

-_mesa_store_compressed_teximage3d(struct gl_context *ctx,

-                                  GLenum target, GLint level,

-                                  GLint internalFormat,

-                                  GLint width, GLint height, GLint depth,

-                                  GLint border,

-                                  GLsizei imageSize, const GLvoid *data,

-                                  struct gl_texture_object *texObj,

-                                  struct gl_texture_image *texImage)

-{

-   /* this space intentionally left blank */

-   (void) ctx;

-   (void) target; (void) level;

-   (void) internalFormat;

-   (void) width; (void) height; (void) depth;

-   (void) border;

-   (void) imageSize; (void) data;

-   (void) texObj;

-   (void) texImage;

-}

-

-

-

-/**

- * Fallback for Driver.CompressedTexSubImage1D()

- */

-void

-_mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target,

-                                     GLint level,

-                                     GLint xoffset, GLsizei width,

-                                     GLenum format,

-                                     GLsizei imageSize, const GLvoid *data,

-                                     struct gl_texture_object *texObj,

-                                     struct gl_texture_image *texImage)

-{

-   /* there are no compressed 1D texture formats yet */

-   (void) ctx;

-   (void) target; (void) level;

-   (void) xoffset; (void) width;

-   (void) format;

-   (void) imageSize; (void) data;

-   (void) texObj;

-   (void) texImage;

-}

-

-

-/**

- * Fallback for Driver.CompressedTexSubImage2D()

- */

-void

-_mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target,

-                                     GLint level,

-                                     GLint xoffset, GLint yoffset,

-                                     GLsizei width, GLsizei height,

-                                     GLenum format,

-                                     GLsizei imageSize, const GLvoid *data,

-                                     struct gl_texture_object *texObj,

-                                     struct gl_texture_image *texImage)

-{

-   GLint bytesPerRow, destRowStride, srcRowStride;

-   GLint i, rows;

-   GLubyte *dest;

-   const GLubyte *src;

-   const gl_format texFormat = texImage->TexFormat;

-   const GLint destWidth = texImage->Width;

-   GLuint bw, bh;

-

-   _mesa_get_format_block_size(texFormat, &bw, &bh);

-

-   (void) level;

-   (void) format;

-

-   /* these should have been caught sooner */

-   ASSERT((width % bw) == 0 || width == 2 || width == 1);

-   ASSERT((height % bh) == 0 || height == 2 || height == 1);

-   ASSERT((xoffset % bw) == 0);

-   ASSERT((yoffset % bh) == 0);

-

-   /* get pointer to src pixels (may be in a pbo which we'll map here) */

-   data = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, data,

-                                                 &ctx->Unpack,

-                                                 "glCompressedTexSubImage2D");

-   if (!data)

-      return;

-

-   srcRowStride = _mesa_format_row_stride(texFormat, width);

-   src = (const GLubyte *) data;

-

-   destRowStride = _mesa_format_row_stride(texFormat, destWidth);

-   dest = _mesa_compressed_image_address(xoffset, yoffset, 0,

-                                         texFormat, destWidth,

-                                         (GLubyte *) texImage->Data);

-

-   bytesPerRow = srcRowStride;  /* bytes per row of blocks */

-   rows = height / bh;  /* rows in blocks */

-

-   /* copy rows of blocks */

-   for (i = 0; i < rows; i++) {

-      memcpy(dest, src, bytesPerRow);

-      dest += destRowStride;

-      src += srcRowStride;

-   }

-

-   _mesa_unmap_teximage_pbo(ctx, &ctx->Unpack);

-}

-

-

-/**

- * Fallback for Driver.CompressedTexSubImage3D()

- */

-void

-_mesa_store_compressed_texsubimage3d(struct gl_context *ctx, GLenum target,

-                                GLint level,

-                                GLint xoffset, GLint yoffset, GLint zoffset,

-                                GLsizei width, GLsizei height, GLsizei depth,

-                                GLenum format,

-                                GLsizei imageSize, const GLvoid *data,

-                                struct gl_texture_object *texObj,

-                                struct gl_texture_image *texImage)

-{

-   /* there are no compressed 3D texture formats yet */

-   (void) ctx;

-   (void) target; (void) level;

-   (void) xoffset; (void) yoffset; (void) zoffset;

-   (void) width; (void) height; (void) depth;

-   (void) format;

-   (void) imageSize; (void) data;

-   (void) texObj;

-   (void) texImage;

-}

+/*
+ * Mesa 3-D graphics library
+ * Version:  7.5
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (c) 2008-2009  VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Authors:
+ *   Brian Paul
+ */
+
+/**
+ * The GL texture image functions in teximage.c basically just do
+ * error checking and data structure allocation.  They in turn call
+ * device driver functions which actually copy/convert/store the user's
+ * texture image data.
+ *
+ * However, most device drivers will be able to use the fallback functions
+ * in this file.  That is, most drivers will have the following bit of
+ * code:
+ *   ctx->Driver.TexImage1D = _mesa_store_teximage1d;
+ *   ctx->Driver.TexImage2D = _mesa_store_teximage2d;
+ *   ctx->Driver.TexImage3D = _mesa_store_teximage3d;
+ *   etc...
+ *
+ * Texture image processing is actually kind of complicated.  We have to do:
+ *    Format/type conversions
+ *    pixel unpacking
+ *    pixel transfer (scale, bais, lookup, etc)
+ *
+ * These functions can handle most everything, including processing full
+ * images and sub-images.
+ */
+
+
+#include "glheader.h"
+#include "bufferobj.h"
+#include "colormac.h"
+#include "image.h"
+#include "macros.h"
+#include "mipmap.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "pack.h"
+#include "imports.h"
+#include "pack.h"
+#include "texcompress.h"
+#include "texcompress_fxt1.h"
+#include "texcompress_rgtc.h"
+#include "texcompress_s3tc.h"
+#include "teximage.h"
+#include "texstore.h"
+#include "enums.h"
+
+
+enum {
+   ZERO = 4, 
+   ONE = 5
+};
+
+
+/**
+ * Texture image storage function.
+ */
+typedef GLboolean (*StoreTexImageFunc)(TEXSTORE_PARAMS);
+
+
+/**
+ * Return GL_TRUE if the given image format is one that be converted
+ * to another format by swizzling.
+ */
+static GLboolean
+can_swizzle(GLenum logicalBaseFormat)
+{
+   switch (logicalBaseFormat) {
+   case GL_RGBA:
+   case GL_RGB:
+   case GL_LUMINANCE_ALPHA:
+   case GL_INTENSITY:
+   case GL_ALPHA:
+   case GL_LUMINANCE:
+   case GL_RED:
+   case GL_GREEN:
+   case GL_BLUE:
+   case GL_BGR:
+   case GL_BGRA:
+   case GL_ABGR_EXT:
+   case GL_RG:
+      return GL_TRUE;
+   default:
+      return GL_FALSE;
+   }
+}
+
+
+
+enum {
+   IDX_LUMINANCE = 0,
+   IDX_ALPHA,
+   IDX_INTENSITY,
+   IDX_LUMINANCE_ALPHA,
+   IDX_RGB,
+   IDX_RGBA,
+   IDX_RED,
+   IDX_GREEN,
+   IDX_BLUE,
+   IDX_BGR,
+   IDX_BGRA,
+   IDX_ABGR,
+   IDX_RG,
+   MAX_IDX
+};
+
+#define MAP1(x)       MAP4(x, ZERO, ZERO, ZERO)
+#define MAP2(x,y)     MAP4(x, y, ZERO, ZERO)
+#define MAP3(x,y,z)   MAP4(x, y, z, ZERO)
+#define MAP4(x,y,z,w) { x, y, z, w, ZERO, ONE }
+
+
+static const struct {
+   GLubyte format_idx;
+   GLubyte to_rgba[6];
+   GLubyte from_rgba[6];
+} mappings[MAX_IDX] = 
+{
+   {
+      IDX_LUMINANCE,
+      MAP4(0,0,0,ONE),
+      MAP1(0)
+   },
+
+   {
+      IDX_ALPHA,
+      MAP4(ZERO, ZERO, ZERO, 0),
+      MAP1(3)
+   },
+
+   {
+      IDX_INTENSITY,
+      MAP4(0, 0, 0, 0),
+      MAP1(0),
+   },
+
+   {
+      IDX_LUMINANCE_ALPHA,
+      MAP4(0,0,0,1),
+      MAP2(0,3)
+   },
+
+   {
+      IDX_RGB,
+      MAP4(0,1,2,ONE),
+      MAP3(0,1,2)
+   },
+
+   {
+      IDX_RGBA,
+      MAP4(0,1,2,3),
+      MAP4(0,1,2,3),
+   },
+
+   {
+      IDX_RED,
+      MAP4(0, ZERO, ZERO, ONE),
+      MAP1(0),
+   },
+
+   {
+      IDX_GREEN,
+      MAP4(ZERO, 0, ZERO, ONE),
+      MAP1(1),
+   },
+
+   {
+      IDX_BLUE,
+      MAP4(ZERO, ZERO, 0, ONE),
+      MAP1(2),
+   },
+
+   {
+      IDX_BGR,
+      MAP4(2,1,0,ONE),
+      MAP3(2,1,0)
+   },
+
+   {
+      IDX_BGRA,
+      MAP4(2,1,0,3),
+      MAP4(2,1,0,3)
+   },
+
+   {
+      IDX_ABGR,
+      MAP4(3,2,1,0),
+      MAP4(3,2,1,0)
+   },
+
+   {
+      IDX_RG,
+      MAP4(0, 1, ZERO, ONE),
+      MAP2(0, 1)
+   },
+};
+
+
+
+/**
+ * Convert a GL image format enum to an IDX_* value (see above).
+ */
+static int
+get_map_idx(GLenum value)
+{
+   switch (value) {
+   case GL_LUMINANCE: return IDX_LUMINANCE;
+   case GL_ALPHA: return IDX_ALPHA;
+   case GL_INTENSITY: return IDX_INTENSITY;
+   case GL_LUMINANCE_ALPHA: return IDX_LUMINANCE_ALPHA;
+   case GL_RGB: return IDX_RGB;
+   case GL_RGBA: return IDX_RGBA;
+   case GL_RED: return IDX_RED;
+   case GL_GREEN: return IDX_GREEN;
+   case GL_BLUE: return IDX_BLUE;
+   case GL_BGR: return IDX_BGR;
+   case GL_BGRA: return IDX_BGRA;
+   case GL_ABGR_EXT: return IDX_ABGR;
+   case GL_RG: return IDX_RG;
+   default:
+      _mesa_problem(NULL, "Unexpected inFormat");
+      return 0;
+   }
+}   
+
+
+/**
+ * When promoting texture formats (see below) we need to compute the
+ * mapping of dest components back to source components.
+ * This function does that.
+ * \param inFormat  the incoming format of the texture
+ * \param outFormat  the final texture format
+ * \return map[6]  a full 6-component map
+ */
+static void
+compute_component_mapping(GLenum inFormat, GLenum outFormat, 
+			  GLubyte *map)
+{
+   const int inFmt = get_map_idx(inFormat);
+   const int outFmt = get_map_idx(outFormat);
+   const GLubyte *in2rgba = mappings[inFmt].to_rgba;
+   const GLubyte *rgba2out = mappings[outFmt].from_rgba;
+   int i;
+   
+   for (i = 0; i < 4; i++)
+      map[i] = in2rgba[rgba2out[i]];
+
+   map[ZERO] = ZERO;
+   map[ONE] = ONE;   
+
+#if 0
+   printf("from %x/%s to %x/%s map %d %d %d %d %d %d\n",
+	  inFormat, _mesa_lookup_enum_by_nr(inFormat),
+	  outFormat, _mesa_lookup_enum_by_nr(outFormat),
+	  map[0], 
+	  map[1], 
+	  map[2], 
+	  map[3], 
+	  map[4], 
+	  map[5]); 
+#endif
+}
+
+
+/**
+ * Make a temporary (color) texture image with GLfloat components.
+ * Apply all needed pixel unpacking and pixel transfer operations.
+ * Note that there are both logicalBaseFormat and textureBaseFormat parameters.
+ * Suppose the user specifies GL_LUMINANCE as the internal texture format
+ * but the graphics hardware doesn't support luminance textures.  So, we might
+ * use an RGB hardware format instead.
+ * If logicalBaseFormat != textureBaseFormat we have some extra work to do.
+ *
+ * \param ctx  the rendering context
+ * \param dims  image dimensions: 1, 2 or 3
+ * \param logicalBaseFormat  basic texture derived from the user's
+ *    internal texture format value
+ * \param textureBaseFormat  the actual basic format of the texture
+ * \param srcWidth  source image width
+ * \param srcHeight  source image height
+ * \param srcDepth  source image depth
+ * \param srcFormat  source image format
+ * \param srcType  source image type
+ * \param srcAddr  source image address
+ * \param srcPacking  source image pixel packing
+ * \return resulting image with format = textureBaseFormat and type = GLfloat.
+ */
+GLfloat *
+_mesa_make_temp_float_image(struct gl_context *ctx, GLuint dims,
+			    GLenum logicalBaseFormat,
+			    GLenum textureBaseFormat,
+			    GLint srcWidth, GLint srcHeight, GLint srcDepth,
+			    GLenum srcFormat, GLenum srcType,
+			    const GLvoid *srcAddr,
+			    const struct gl_pixelstore_attrib *srcPacking,
+			    GLbitfield transferOps)
+{
+   GLfloat *tempImage;
+   const GLint components = _mesa_components_in_format(logicalBaseFormat);
+   const GLint srcStride =
+      _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
+   GLfloat *dst;
+   GLint img, row;
+
+   ASSERT(dims >= 1 && dims <= 3);
+
+   ASSERT(logicalBaseFormat == GL_RGBA ||
+          logicalBaseFormat == GL_RGB ||
+          logicalBaseFormat == GL_RG ||
+          logicalBaseFormat == GL_RED ||
+          logicalBaseFormat == GL_LUMINANCE_ALPHA ||
+          logicalBaseFormat == GL_LUMINANCE ||
+          logicalBaseFormat == GL_ALPHA ||
+          logicalBaseFormat == GL_INTENSITY ||
+          logicalBaseFormat == GL_COLOR_INDEX ||
+          logicalBaseFormat == GL_DEPTH_COMPONENT);
+
+   ASSERT(textureBaseFormat == GL_RGBA ||
+          textureBaseFormat == GL_RGB ||
+          textureBaseFormat == GL_RG ||
+          textureBaseFormat == GL_RED ||
+          textureBaseFormat == GL_LUMINANCE_ALPHA ||
+          textureBaseFormat == GL_LUMINANCE ||
+          textureBaseFormat == GL_ALPHA ||
+          textureBaseFormat == GL_INTENSITY ||
+          textureBaseFormat == GL_COLOR_INDEX ||
+          textureBaseFormat == GL_DEPTH_COMPONENT);
+
+   tempImage = (GLfloat *) malloc(srcWidth * srcHeight * srcDepth
+				  * components * sizeof(GLfloat));
+   if (!tempImage)
+      return NULL;
+
+   dst = tempImage;
+   for (img = 0; img < srcDepth; img++) {
+      const GLubyte *src
+	 = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
+						 srcWidth, srcHeight,
+						 srcFormat, srcType,
+						 img, 0, 0);
+      for (row = 0; row < srcHeight; row++) {
+	 _mesa_unpack_color_span_float(ctx, srcWidth, logicalBaseFormat,
+				       dst, srcFormat, srcType, src,
+				       srcPacking, transferOps);
+	 dst += srcWidth * components;
+	 src += srcStride;
+      }
+   }
+
+   if (logicalBaseFormat != textureBaseFormat) {
+      /* more work */
+      GLint texComponents = _mesa_components_in_format(textureBaseFormat);
+      GLint logComponents = _mesa_components_in_format(logicalBaseFormat);
+      GLfloat *newImage;
+      GLint i, n;
+      GLubyte map[6];
+
+      /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */
+      ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||
+             textureBaseFormat == GL_LUMINANCE_ALPHA);
+
+      /* The actual texture format should have at least as many components
+       * as the logical texture format.
+       */
+      ASSERT(texComponents >= logComponents);
+
+      newImage = (GLfloat *) malloc(srcWidth * srcHeight * srcDepth
+                                          * texComponents * sizeof(GLfloat));
+      if (!newImage) {
+         free(tempImage);
+         return NULL;
+      }
+
+      compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);
+
+      n = srcWidth * srcHeight * srcDepth;
+      for (i = 0; i < n; i++) {
+         GLint k;
+         for (k = 0; k < texComponents; k++) {
+            GLint j = map[k];
+            if (j == ZERO)
+               newImage[i * texComponents + k] = 0.0F;
+            else if (j == ONE)
+               newImage[i * texComponents + k] = 1.0F;
+            else
+               newImage[i * texComponents + k] = tempImage[i * logComponents + j];
+         }
+      }
+
+      free(tempImage);
+      tempImage = newImage;
+   }
+
+   return tempImage;
+}
+
+
+/**
+ * Make temporary image with uint pixel values.  Used for unsigned
+ * integer-valued textures.
+ */
+static GLuint *
+make_temp_uint_image(struct gl_context *ctx, GLuint dims,
+                     GLenum logicalBaseFormat,
+                     GLenum textureBaseFormat,
+                     GLint srcWidth, GLint srcHeight, GLint srcDepth,
+                     GLenum srcFormat, GLenum srcType,
+                     const GLvoid *srcAddr,
+                     const struct gl_pixelstore_attrib *srcPacking)
+{
+   GLuint *tempImage;
+   const GLint components = _mesa_components_in_format(logicalBaseFormat);
+   const GLint srcStride =
+      _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
+   GLuint *dst;
+   GLint img, row;
+
+   ASSERT(dims >= 1 && dims <= 3);
+
+   ASSERT(logicalBaseFormat == GL_RGBA ||
+          logicalBaseFormat == GL_RGB ||
+          logicalBaseFormat == GL_RG ||
+          logicalBaseFormat == GL_RED ||
+          logicalBaseFormat == GL_LUMINANCE_ALPHA ||
+          logicalBaseFormat == GL_LUMINANCE ||
+          logicalBaseFormat == GL_INTENSITY ||
+          logicalBaseFormat == GL_ALPHA);
+
+   ASSERT(textureBaseFormat == GL_RGBA ||
+          textureBaseFormat == GL_RGB ||
+          textureBaseFormat == GL_RG ||
+          textureBaseFormat == GL_RED ||
+          textureBaseFormat == GL_LUMINANCE_ALPHA ||
+          textureBaseFormat == GL_LUMINANCE ||
+          textureBaseFormat == GL_ALPHA);
+
+   tempImage = (GLuint *) malloc(srcWidth * srcHeight * srcDepth
+                                 * components * sizeof(GLuint));
+   if (!tempImage)
+      return NULL;
+
+   dst = tempImage;
+   for (img = 0; img < srcDepth; img++) {
+      const GLubyte *src
+	 = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
+						 srcWidth, srcHeight,
+						 srcFormat, srcType,
+						 img, 0, 0);
+      for (row = 0; row < srcHeight; row++) {
+	 _mesa_unpack_color_span_uint(ctx, srcWidth, logicalBaseFormat,
+                                      dst, srcFormat, srcType, src,
+                                      srcPacking);
+	 dst += srcWidth * components;
+	 src += srcStride;
+      }
+   }
+
+   if (logicalBaseFormat != textureBaseFormat) {
+      /* more work */
+      GLint texComponents = _mesa_components_in_format(textureBaseFormat);
+      GLint logComponents = _mesa_components_in_format(logicalBaseFormat);
+      GLuint *newImage;
+      GLint i, n;
+      GLubyte map[6];
+
+      /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */
+      ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||
+             textureBaseFormat == GL_LUMINANCE_ALPHA);
+
+      /* The actual texture format should have at least as many components
+       * as the logical texture format.
+       */
+      ASSERT(texComponents >= logComponents);
+
+      newImage = (GLuint *) malloc(srcWidth * srcHeight * srcDepth
+                                   * texComponents * sizeof(GLuint));
+      if (!newImage) {
+         free(tempImage);
+         return NULL;
+      }
+
+      compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);
+
+      n = srcWidth * srcHeight * srcDepth;
+      for (i = 0; i < n; i++) {
+         GLint k;
+         for (k = 0; k < texComponents; k++) {
+            GLint j = map[k];
+            if (j == ZERO)
+               newImage[i * texComponents + k] = 0.0F;
+            else if (j == ONE)
+               newImage[i * texComponents + k] = 1.0F;
+            else
+               newImage[i * texComponents + k] = tempImage[i * logComponents + j];
+         }
+      }
+
+      free(tempImage);
+      tempImage = newImage;
+   }
+
+   return tempImage;
+}
+
+
+
+/**
+ * Make a temporary (color) texture image with GLchan components.
+ * Apply all needed pixel unpacking and pixel transfer operations.
+ * Note that there are both logicalBaseFormat and textureBaseFormat parameters.
+ * Suppose the user specifies GL_LUMINANCE as the internal texture format
+ * but the graphics hardware doesn't support luminance textures.  So, we might
+ * use an RGB hardware format instead.
+ * If logicalBaseFormat != textureBaseFormat we have some extra work to do.
+ *
+ * \param ctx  the rendering context
+ * \param dims  image dimensions: 1, 2 or 3
+ * \param logicalBaseFormat  basic texture derived from the user's
+ *    internal texture format value
+ * \param textureBaseFormat  the actual basic format of the texture
+ * \param srcWidth  source image width
+ * \param srcHeight  source image height
+ * \param srcDepth  source image depth
+ * \param srcFormat  source image format
+ * \param srcType  source image type
+ * \param srcAddr  source image address
+ * \param srcPacking  source image pixel packing
+ * \return resulting image with format = textureBaseFormat and type = GLchan.
+ */
+GLchan *
+_mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
+                           GLenum logicalBaseFormat,
+                           GLenum textureBaseFormat,
+                           GLint srcWidth, GLint srcHeight, GLint srcDepth,
+                           GLenum srcFormat, GLenum srcType,
+                           const GLvoid *srcAddr,
+                           const struct gl_pixelstore_attrib *srcPacking)
+{
+   GLuint transferOps = ctx->_ImageTransferState;
+   const GLint components = _mesa_components_in_format(logicalBaseFormat);
+   GLint img, row;
+   GLchan *tempImage, *dst;
+
+   ASSERT(dims >= 1 && dims <= 3);
+
+   ASSERT(logicalBaseFormat == GL_RGBA ||
+          logicalBaseFormat == GL_RGB ||
+          logicalBaseFormat == GL_RG ||
+          logicalBaseFormat == GL_RED ||
+          logicalBaseFormat == GL_LUMINANCE_ALPHA ||
+          logicalBaseFormat == GL_LUMINANCE ||
+          logicalBaseFormat == GL_ALPHA ||
+          logicalBaseFormat == GL_INTENSITY);
+
+   ASSERT(textureBaseFormat == GL_RGBA ||
+          textureBaseFormat == GL_RGB ||
+          textureBaseFormat == GL_RG ||
+          textureBaseFormat == GL_RED ||
+          textureBaseFormat == GL_LUMINANCE_ALPHA ||
+          textureBaseFormat == GL_LUMINANCE ||
+          textureBaseFormat == GL_ALPHA ||
+          textureBaseFormat == GL_INTENSITY);
+
+   /* unpack and transfer the source image */
+   tempImage = (GLchan *) malloc(srcWidth * srcHeight * srcDepth
+                                       * components * sizeof(GLchan));
+   if (!tempImage) {
+      return NULL;
+   }
+
+   dst = tempImage;
+   for (img = 0; img < srcDepth; img++) {
+      const GLint srcStride =
+         _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
+      const GLubyte *src =
+         (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
+                                               srcWidth, srcHeight,
+                                               srcFormat, srcType,
+                                               img, 0, 0);
+      for (row = 0; row < srcHeight; row++) {
+         _mesa_unpack_color_span_chan(ctx, srcWidth, logicalBaseFormat, dst,
+                                      srcFormat, srcType, src, srcPacking,
+                                      transferOps);
+         dst += srcWidth * components;
+         src += srcStride;
+      }
+   }
+
+   if (logicalBaseFormat != textureBaseFormat) {
+      /* one more conversion step */
+      GLint texComponents = _mesa_components_in_format(textureBaseFormat);
+      GLint logComponents = _mesa_components_in_format(logicalBaseFormat);
+      GLchan *newImage;
+      GLint i, n;
+      GLubyte map[6];
+
+      /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */
+      ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||
+             textureBaseFormat == GL_LUMINANCE_ALPHA);
+
+      /* The actual texture format should have at least as many components
+       * as the logical texture format.
+       */
+      ASSERT(texComponents >= logComponents);
+
+      newImage = (GLchan *) malloc(srcWidth * srcHeight * srcDepth
+                                         * texComponents * sizeof(GLchan));
+      if (!newImage) {
+         free(tempImage);
+         return NULL;
+      }
+
+      compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);
+
+      n = srcWidth * srcHeight * srcDepth;
+      for (i = 0; i < n; i++) {
+         GLint k;
+         for (k = 0; k < texComponents; k++) {
+            GLint j = map[k];
+            if (j == ZERO)
+               newImage[i * texComponents + k] = 0;
+            else if (j == ONE)
+               newImage[i * texComponents + k] = CHAN_MAX;
+            else
+               newImage[i * texComponents + k] = tempImage[i * logComponents + j];
+         }
+      }
+
+      free(tempImage);
+      tempImage = newImage;
+   }
+
+   return tempImage;
+}
+
+
+/**
+ * Copy GLubyte pixels from <src> to <dst> with swizzling.
+ * \param dst  destination pixels
+ * \param dstComponents  number of color components in destination pixels
+ * \param src  source pixels
+ * \param srcComponents  number of color components in source pixels
+ * \param map  the swizzle mapping.  map[X] says where to find the X component
+ *             in the source image's pixels.  For example, if the source image
+ *             is GL_BGRA and X = red, map[0] yields 2.
+ * \param count  number of pixels to copy/swizzle.
+ */
+static void
+swizzle_copy(GLubyte *dst, GLuint dstComponents, const GLubyte *src, 
+             GLuint srcComponents, const GLubyte *map, GLuint count)
+{
+#define SWZ_CPY(dst, src, count, dstComps, srcComps) \
+   do {                                              \
+      GLuint i;                                      \
+      for (i = 0; i < count; i++) {                  \
+         GLuint j;                                   \
+         if (srcComps == 4) {                        \
+            COPY_4UBV(tmp, src);                     \
+         }                                           \
+         else {                                      \
+            for (j = 0; j < srcComps; j++) {         \
+               tmp[j] = src[j];                      \
+            }                                        \
+         }                                           \
+         src += srcComps;                            \
+         for (j = 0; j < dstComps; j++) {            \
+            dst[j] = tmp[map[j]];                    \
+         }                                           \
+         dst += dstComps;                            \
+      }                                              \
+   } while (0)
+
+   GLubyte tmp[6];
+
+   tmp[ZERO] = 0x0;
+   tmp[ONE] = 0xff;
+
+   ASSERT(srcComponents <= 4);
+   ASSERT(dstComponents <= 4);
+
+   switch (dstComponents) {
+   case 4:
+      switch (srcComponents) {
+      case 4:
+         SWZ_CPY(dst, src, count, 4, 4);
+         break;
+      case 3:
+         SWZ_CPY(dst, src, count, 4, 3);
+         break;
+      case 2:
+         SWZ_CPY(dst, src, count, 4, 2);
+         break;
+      case 1:
+         SWZ_CPY(dst, src, count, 4, 1);
+         break;
+      default:
+         ;
+      }
+      break;
+   case 3:
+      switch (srcComponents) {
+      case 4:
+         SWZ_CPY(dst, src, count, 3, 4);
+         break;
+      case 3:
+         SWZ_CPY(dst, src, count, 3, 3);
+         break;
+      case 2:
+         SWZ_CPY(dst, src, count, 3, 2);
+         break;
+      case 1:
+         SWZ_CPY(dst, src, count, 3, 1);
+         break;
+      default:
+         ;
+      }
+      break;
+   case 2:
+      switch (srcComponents) {
+      case 4:
+         SWZ_CPY(dst, src, count, 2, 4);
+         break;
+      case 3:
+         SWZ_CPY(dst, src, count, 2, 3);
+         break;
+      case 2:
+         SWZ_CPY(dst, src, count, 2, 2);
+         break;
+      case 1:
+         SWZ_CPY(dst, src, count, 2, 1);
+         break;
+      default:
+         ;
+      }
+      break;
+   case 1:
+      switch (srcComponents) {
+      case 4:
+         SWZ_CPY(dst, src, count, 1, 4);
+         break;
+      case 3:
+         SWZ_CPY(dst, src, count, 1, 3);
+         break;
+      case 2:
+         SWZ_CPY(dst, src, count, 1, 2);
+         break;
+      case 1:
+         SWZ_CPY(dst, src, count, 1, 1);
+         break;
+      default:
+         ;
+      }
+      break;
+   default:
+      ;
+   }
+#undef SWZ_CPY
+}
+
+
+
+static const GLubyte map_identity[6] = { 0, 1, 2, 3, ZERO, ONE };
+static const GLubyte map_3210[6] = { 3, 2, 1, 0, ZERO, ONE };
+
+
+/**
+ * For 1-byte/pixel formats (or 8_8_8_8 packed formats), return a
+ * mapping array depending on endianness.
+ */
+static const GLubyte *
+type_mapping( GLenum srcType )
+{
+   switch (srcType) {
+   case GL_BYTE:
+   case GL_UNSIGNED_BYTE:
+      return map_identity;
+   case GL_UNSIGNED_INT_8_8_8_8:
+      return _mesa_little_endian() ? map_3210 : map_identity;
+   case GL_UNSIGNED_INT_8_8_8_8_REV:
+      return _mesa_little_endian() ? map_identity : map_3210;
+   default:
+      return NULL;
+   }
+}
+
+
+/**
+ * For 1-byte/pixel formats (or 8_8_8_8 packed formats), return a
+ * mapping array depending on pixelstore byte swapping state.
+ */
+static const GLubyte *
+byteswap_mapping( GLboolean swapBytes,
+		  GLenum srcType )
+{
+   if (!swapBytes) 
+      return map_identity;
+
+   switch (srcType) {
+   case GL_BYTE:
+   case GL_UNSIGNED_BYTE:
+      return map_identity;
+   case GL_UNSIGNED_INT_8_8_8_8:
+   case GL_UNSIGNED_INT_8_8_8_8_REV:
+      return map_3210;
+   default:
+      return NULL;
+   }
+}
+
+
+
+/**
+ * Transfer a GLubyte texture image with component swizzling.
+ */
+static void
+_mesa_swizzle_ubyte_image(struct gl_context *ctx, 
+			  GLuint dimensions,
+			  GLenum srcFormat,
+			  GLenum srcType,
+
+			  GLenum baseInternalFormat,
+
+			  const GLubyte *rgba2dst,
+			  GLuint dstComponents,
+
+			  GLvoid *dstAddr,
+			  GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
+			  GLint dstRowStride,
+                          const GLuint *dstImageOffsets,
+
+			  GLint srcWidth, GLint srcHeight, GLint srcDepth,
+			  const GLvoid *srcAddr,
+			  const struct gl_pixelstore_attrib *srcPacking )
+{
+   GLint srcComponents = _mesa_components_in_format(srcFormat);
+   const GLubyte *srctype2ubyte, *swap;
+   GLubyte map[4], src2base[6], base2rgba[6];
+   GLint i;
+   const GLint srcRowStride =
+      _mesa_image_row_stride(srcPacking, srcWidth,
+                             srcFormat, GL_UNSIGNED_BYTE);
+   const GLint srcImageStride
+      = _mesa_image_image_stride(srcPacking, srcWidth, srcHeight, srcFormat,
+                                 GL_UNSIGNED_BYTE);
+   const GLubyte *srcImage
+      = (const GLubyte *) _mesa_image_address(dimensions, srcPacking, srcAddr,
+                                              srcWidth, srcHeight, srcFormat,
+                                              GL_UNSIGNED_BYTE, 0, 0, 0);
+
+   (void) ctx;
+
+   /* Translate from src->baseInternal->GL_RGBA->dst.  This will
+    * correctly deal with RGBA->RGB->RGBA conversions where the final
+    * A value must be 0xff regardless of the incoming alpha values.
+    */
+   compute_component_mapping(srcFormat, baseInternalFormat, src2base);
+   compute_component_mapping(baseInternalFormat, GL_RGBA, base2rgba);
+   swap = byteswap_mapping(srcPacking->SwapBytes, srcType);
+   srctype2ubyte = type_mapping(srcType);
+
+
+   for (i = 0; i < 4; i++)
+      map[i] = srctype2ubyte[swap[src2base[base2rgba[rgba2dst[i]]]]];
+
+/*    printf("map %d %d %d %d\n", map[0], map[1], map[2], map[3]);  */
+
+   if (srcComponents == dstComponents &&
+       srcRowStride == dstRowStride &&
+       srcRowStride == srcWidth * srcComponents &&
+       dimensions < 3) {
+      /* 1 and 2D images only */
+      GLubyte *dstImage = (GLubyte *) dstAddr
+         + dstYoffset * dstRowStride
+         + dstXoffset * dstComponents;
+      swizzle_copy(dstImage, dstComponents, srcImage, srcComponents, map, 
+		   srcWidth * srcHeight);
+   }
+   else {
+      GLint img, row;
+      for (img = 0; img < srcDepth; img++) {
+         const GLubyte *srcRow = srcImage;
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * dstComponents
+            + dstYoffset * dstRowStride
+            + dstXoffset * dstComponents;
+         for (row = 0; row < srcHeight; row++) {
+	    swizzle_copy(dstRow, dstComponents, srcRow, srcComponents, map, srcWidth);
+            dstRow += dstRowStride;
+            srcRow += srcRowStride;
+         }
+         srcImage += srcImageStride;
+      }
+   }
+}
+
+
+/**
+ * Teximage storage routine for when a simple memcpy will do.
+ * No pixel transfer operations or special texel encodings allowed.
+ * 1D, 2D and 3D images supported.
+ */
+static void
+memcpy_texture(struct gl_context *ctx,
+	       GLuint dimensions,
+               gl_format dstFormat,
+               GLvoid *dstAddr,
+               GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
+               GLint dstRowStride,
+               const GLuint *dstImageOffsets,
+               GLint srcWidth, GLint srcHeight, GLint srcDepth,
+               GLenum srcFormat, GLenum srcType,
+               const GLvoid *srcAddr,
+               const struct gl_pixelstore_attrib *srcPacking)
+{
+   const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth,
+                                                     srcFormat, srcType);
+   const GLint srcImageStride = _mesa_image_image_stride(srcPacking,
+                                      srcWidth, srcHeight, srcFormat, srcType);
+   const GLubyte *srcImage = (const GLubyte *) _mesa_image_address(dimensions,
+        srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLint bytesPerRow = srcWidth * texelBytes;
+
+#if 0
+   /* XXX update/re-enable for dstImageOffsets array */
+   const GLint bytesPerImage = srcHeight * bytesPerRow;
+   const GLint bytesPerTexture = srcDepth * bytesPerImage;
+   GLubyte *dstImage = (GLubyte *) dstAddr
+                     + dstZoffset * dstImageStride
+                     + dstYoffset * dstRowStride
+                     + dstXoffset * texelBytes;
+
+   if (dstRowStride == srcRowStride &&
+       dstRowStride == bytesPerRow &&
+       ((dstImageStride == srcImageStride &&
+         dstImageStride == bytesPerImage) ||
+        (srcDepth == 1))) {
+      /* one big memcpy */
+      ctx->Driver.TextureMemCpy(dstImage, srcImage, bytesPerTexture);
+   }
+   else
+   {
+      GLint img, row;
+      for (img = 0; img < srcDepth; img++) {
+         const GLubyte *srcRow = srcImage;
+         GLubyte *dstRow = dstImage;
+         for (row = 0; row < srcHeight; row++) {
+            ctx->Driver.TextureMemCpy(dstRow, srcRow, bytesPerRow);
+            dstRow += dstRowStride;
+            srcRow += srcRowStride;
+         }
+         srcImage += srcImageStride;
+         dstImage += dstImageStride;
+      }
+   }
+#endif
+
+   GLint img, row;
+   for (img = 0; img < srcDepth; img++) {
+      const GLubyte *srcRow = srcImage;
+      GLubyte *dstRow = (GLubyte *) dstAddr
+         + dstImageOffsets[dstZoffset + img] * texelBytes
+         + dstYoffset * dstRowStride
+         + dstXoffset * texelBytes;
+      for (row = 0; row < srcHeight; row++) {
+         ctx->Driver.TextureMemCpy(dstRow, srcRow, bytesPerRow);
+         dstRow += dstRowStride;
+         srcRow += srcRowStride;
+      }
+      srcImage += srcImageStride;
+   }
+}
+
+
+
+/**
+ * Store a 32-bit integer depth component texture image.
+ */
+static GLboolean
+_mesa_texstore_z32(TEXSTORE_PARAMS)
+{
+   const GLuint depthScale = 0xffffffff;
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   (void) dims;
+   ASSERT(dstFormat == MESA_FORMAT_Z32);
+   ASSERT(texelBytes == sizeof(GLuint));
+
+   if (ctx->Pixel.DepthScale == 1.0f &&
+       ctx->Pixel.DepthBias == 0.0f &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == GL_DEPTH_COMPONENT &&
+       srcFormat == GL_DEPTH_COMPONENT &&
+       srcType == GL_UNSIGNED_INT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      GLint img, row;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            const GLvoid *src = _mesa_image_address(dims, srcPacking,
+                srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
+            _mesa_unpack_depth_span(ctx, srcWidth,
+                                    GL_UNSIGNED_INT, (GLuint *) dstRow,
+                                    depthScale, srcType, src, srcPacking);
+            dstRow += dstRowStride;
+         }
+      }
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Store a 24-bit integer depth component texture image.
+ */
+static GLboolean
+_mesa_texstore_x8_z24(TEXSTORE_PARAMS)
+{
+   const GLuint depthScale = 0xffffff;
+   const GLuint texelBytes = 4;
+
+   (void) dims;
+   ASSERT(dstFormat == MESA_FORMAT_X8_Z24);
+
+   {
+      /* general path */
+      GLint img, row;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            const GLvoid *src = _mesa_image_address(dims, srcPacking,
+                srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
+            _mesa_unpack_depth_span(ctx, srcWidth,
+                                    GL_UNSIGNED_INT, (GLuint *) dstRow,
+                                    depthScale, srcType, src, srcPacking);
+            dstRow += dstRowStride;
+         }
+      }
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Store a 24-bit integer depth component texture image.
+ */
+static GLboolean
+_mesa_texstore_z24_x8(TEXSTORE_PARAMS)
+{
+   const GLuint depthScale = 0xffffff;
+   const GLuint texelBytes = 4;
+
+   (void) dims;
+   ASSERT(dstFormat == MESA_FORMAT_Z24_X8);
+
+   {
+      /* general path */
+      GLint img, row;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            const GLvoid *src = _mesa_image_address(dims, srcPacking,
+                srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
+            GLuint *dst = (GLuint *) dstRow;
+            GLint i;
+            _mesa_unpack_depth_span(ctx, srcWidth,
+                                    GL_UNSIGNED_INT, dst,
+                                    depthScale, srcType, src, srcPacking);
+            for (i = 0; i < srcWidth; i++)
+               dst[i] <<= 8;
+            dstRow += dstRowStride;
+         }
+      }
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Store a 16-bit integer depth component texture image.
+ */
+static GLboolean
+_mesa_texstore_z16(TEXSTORE_PARAMS)
+{
+   const GLuint depthScale = 0xffff;
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   (void) dims;
+   ASSERT(dstFormat == MESA_FORMAT_Z16);
+   ASSERT(texelBytes == sizeof(GLushort));
+
+   if (ctx->Pixel.DepthScale == 1.0f &&
+       ctx->Pixel.DepthBias == 0.0f &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == GL_DEPTH_COMPONENT &&
+       srcFormat == GL_DEPTH_COMPONENT &&
+       srcType == GL_UNSIGNED_SHORT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      GLint img, row;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            const GLvoid *src = _mesa_image_address(dims, srcPacking,
+                srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
+            GLushort *dst16 = (GLushort *) dstRow;
+            _mesa_unpack_depth_span(ctx, srcWidth,
+                                    GL_UNSIGNED_SHORT, dst16, depthScale,
+                                    srcType, src, srcPacking);
+            dstRow += dstRowStride;
+         }
+      }
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Store an rgb565 or rgb565_rev texture image.
+ */
+static GLboolean
+_mesa_texstore_rgb565(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGB565 ||
+          dstFormat == MESA_FORMAT_RGB565_REV);
+   ASSERT(texelBytes == 2);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       dstFormat == MESA_FORMAT_RGB565 &&
+       baseInternalFormat == GL_RGB &&
+       srcFormat == GL_RGB &&
+       srcType == GL_UNSIGNED_SHORT_5_6_5) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (!ctx->_ImageTransferState &&
+            !srcPacking->SwapBytes &&
+            baseInternalFormat == GL_RGB &&
+            srcFormat == GL_RGB &&
+            srcType == GL_UNSIGNED_BYTE &&
+            dims == 2) {
+      /* do optimized tex store */
+      const GLint srcRowStride =
+         _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
+      const GLubyte *src = (const GLubyte *)
+         _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight,
+                             srcFormat, srcType, 0, 0, 0);
+      GLubyte *dst = (GLubyte *) dstAddr
+                   + dstYoffset * dstRowStride
+                   + dstXoffset * texelBytes;
+      GLint row, col;
+      for (row = 0; row < srcHeight; row++) {
+         const GLubyte *srcUB = (const GLubyte *) src;
+         GLushort *dstUS = (GLushort *) dst;
+         /* check for byteswapped format */
+         if (dstFormat == MESA_FORMAT_RGB565) {
+            for (col = 0; col < srcWidth; col++) {
+               dstUS[col] = PACK_COLOR_565( srcUB[0], srcUB[1], srcUB[2] );
+               srcUB += 3;
+            }
+         }
+         else {
+            for (col = 0; col < srcWidth; col++) {
+               dstUS[col] = PACK_COLOR_565_REV( srcUB[0], srcUB[1], srcUB[2] );
+               srcUB += 3;
+            }
+         }
+         dst += dstRowStride;
+         src += srcRowStride;
+      }
+   }
+   else {
+      /* general path */
+      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLchan *src = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLushort *dstUS = (GLushort *) dstRow;
+            /* check for byteswapped format */
+            if (dstFormat == MESA_FORMAT_RGB565) {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUS[col] = PACK_COLOR_565( CHAN_TO_UBYTE(src[RCOMP]),
+                                               CHAN_TO_UBYTE(src[GCOMP]),
+                                               CHAN_TO_UBYTE(src[BCOMP]) );
+                  src += 3;
+               }
+            }
+            else {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUS[col] = PACK_COLOR_565_REV( CHAN_TO_UBYTE(src[RCOMP]),
+                                                   CHAN_TO_UBYTE(src[GCOMP]),
+                                                   CHAN_TO_UBYTE(src[BCOMP]) );
+                  src += 3;
+               }
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Store a texture in MESA_FORMAT_RGBA8888 or MESA_FORMAT_RGBA8888_REV.
+ */
+static GLboolean
+_mesa_texstore_rgba8888(TEXSTORE_PARAMS)
+{
+   const GLboolean littleEndian = _mesa_little_endian();
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA8888 ||
+          dstFormat == MESA_FORMAT_RGBA8888_REV);
+   ASSERT(texelBytes == 4);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       dstFormat == MESA_FORMAT_RGBA8888 &&
+       baseInternalFormat == GL_RGBA &&
+      ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
+       (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
+       (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
+       (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && littleEndian))) {
+       /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       dstFormat == MESA_FORMAT_RGBA8888_REV &&
+       baseInternalFormat == GL_RGBA &&
+      ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
+       (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && littleEndian) ||
+       (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
+       (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && !littleEndian))) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (!ctx->_ImageTransferState &&
+	    (srcType == GL_UNSIGNED_BYTE ||
+	     srcType == GL_UNSIGNED_INT_8_8_8_8 ||
+	     srcType == GL_UNSIGNED_INT_8_8_8_8_REV) &&
+	    can_swizzle(baseInternalFormat) &&
+	    can_swizzle(srcFormat)) {
+
+      GLubyte dstmap[4];
+
+      /* dstmap - how to swizzle from RGBA to dst format:
+       */
+      if ((littleEndian && dstFormat == MESA_FORMAT_RGBA8888) ||
+	  (!littleEndian && dstFormat == MESA_FORMAT_RGBA8888_REV)) {
+	 dstmap[3] = 0;
+	 dstmap[2] = 1;
+	 dstmap[1] = 2;
+	 dstmap[0] = 3;
+      }
+      else {
+	 dstmap[3] = 3;
+	 dstmap[2] = 2;
+	 dstmap[1] = 1;
+	 dstmap[0] = 0;
+      }
+      
+      _mesa_swizzle_ubyte_image(ctx, dims,
+				srcFormat,
+				srcType,
+				baseInternalFormat,
+				dstmap, 4,
+				dstAddr, dstXoffset, dstYoffset, dstZoffset,
+				dstRowStride, dstImageOffsets,
+				srcWidth, srcHeight, srcDepth, srcAddr,
+				srcPacking);      
+   }
+   else {
+      /* general path */
+      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLchan *src = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLuint *dstUI = (GLuint *) dstRow;
+            if (dstFormat == MESA_FORMAT_RGBA8888) {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[RCOMP]),
+                                                CHAN_TO_UBYTE(src[GCOMP]),
+                                                CHAN_TO_UBYTE(src[BCOMP]),
+                                                CHAN_TO_UBYTE(src[ACOMP]) );
+                  src += 4;
+               }
+            }
+            else {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[RCOMP]),
+                                                    CHAN_TO_UBYTE(src[GCOMP]),
+                                                    CHAN_TO_UBYTE(src[BCOMP]),
+                                                    CHAN_TO_UBYTE(src[ACOMP]) );
+                  src += 4;
+               }
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+static GLboolean
+_mesa_texstore_argb8888(TEXSTORE_PARAMS)
+{
+   const GLboolean littleEndian = _mesa_little_endian();
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = GL_RGBA;
+
+   ASSERT(dstFormat == MESA_FORMAT_ARGB8888 ||
+          dstFormat == MESA_FORMAT_ARGB8888_REV ||
+          dstFormat == MESA_FORMAT_XRGB8888 ||
+          dstFormat == MESA_FORMAT_XRGB8888_REV );
+   ASSERT(texelBytes == 4);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       (dstFormat == MESA_FORMAT_ARGB8888 ||
+        dstFormat == MESA_FORMAT_XRGB8888) &&
+       baseInternalFormat == GL_RGBA &&
+       srcFormat == GL_BGRA &&
+       ((srcType == GL_UNSIGNED_BYTE && littleEndian) ||
+        srcType == GL_UNSIGNED_INT_8_8_8_8_REV)) {
+      /* simple memcpy path (little endian) */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       (dstFormat == MESA_FORMAT_ARGB8888_REV ||
+        dstFormat == MESA_FORMAT_XRGB8888_REV) &&
+       baseInternalFormat == GL_RGBA &&
+       srcFormat == GL_BGRA &&
+       ((srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
+        srcType == GL_UNSIGNED_INT_8_8_8_8)) {
+      /* simple memcpy path (big endian) */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (!ctx->_ImageTransferState &&
+            !srcPacking->SwapBytes &&
+	    (dstFormat == MESA_FORMAT_ARGB8888 ||
+             dstFormat == MESA_FORMAT_XRGB8888) &&
+            srcFormat == GL_RGB &&
+	    (baseInternalFormat == GL_RGBA ||
+	     baseInternalFormat == GL_RGB) &&
+            srcType == GL_UNSIGNED_BYTE) {
+      int img, row, col;
+      for (img = 0; img < srcDepth; img++) {
+         const GLint srcRowStride =
+            _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
+         GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
+                  srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLuint *d4 = (GLuint *) dstRow;
+            for (col = 0; col < srcWidth; col++) {
+               d4[col] = PACK_COLOR_8888(0xff,
+                                         srcRow[col * 3 + RCOMP],
+                                         srcRow[col * 3 + GCOMP],
+                                         srcRow[col * 3 + BCOMP]);
+            }
+            dstRow += dstRowStride;
+            srcRow += srcRowStride;
+         }
+      }
+   }
+   else if (!ctx->_ImageTransferState &&
+            !srcPacking->SwapBytes &&
+	    dstFormat == MESA_FORMAT_ARGB8888 &&
+            srcFormat == GL_RGBA &&
+	    baseInternalFormat == GL_RGBA &&
+            srcType == GL_UNSIGNED_BYTE) {
+      /* same as above case, but src data has alpha too */
+      GLint img, row, col;
+      /* For some reason, streaming copies to write-combined regions
+       * are extremely sensitive to the characteristics of how the
+       * source data is retrieved.  By reordering the source reads to
+       * be in-order, the speed of this operation increases by half.
+       * Strangely the same isn't required for the RGB path, above.
+       */
+      for (img = 0; img < srcDepth; img++) {
+         const GLint srcRowStride =
+            _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
+         GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
+                  srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLuint *d4 = (GLuint *) dstRow;
+            for (col = 0; col < srcWidth; col++) {
+               d4[col] = PACK_COLOR_8888(srcRow[col * 4 + ACOMP],
+                                         srcRow[col * 4 + RCOMP],
+                                         srcRow[col * 4 + GCOMP],
+                                         srcRow[col * 4 + BCOMP]);
+            }
+            dstRow += dstRowStride;
+            srcRow += srcRowStride;
+         }
+      }
+   }
+   else if (!ctx->_ImageTransferState &&
+	    (srcType == GL_UNSIGNED_BYTE ||
+	     srcType == GL_UNSIGNED_INT_8_8_8_8 ||
+	     srcType == GL_UNSIGNED_INT_8_8_8_8_REV) &&
+	    can_swizzle(baseInternalFormat) &&	   
+	    can_swizzle(srcFormat)) {
+
+      GLubyte dstmap[4];
+
+      /* dstmap - how to swizzle from RGBA to dst format:
+       */
+      if ((littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||
+          (littleEndian && dstFormat == MESA_FORMAT_XRGB8888) ||
+	  (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||
+	  (!littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV)) {
+	 dstmap[3] = 3;		/* alpha */
+	 dstmap[2] = 0;		/* red */
+	 dstmap[1] = 1;		/* green */
+	 dstmap[0] = 2;		/* blue */
+      }
+      else {
+	 assert((littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||
+		(!littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||
+		(littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV) ||
+		(!littleEndian && dstFormat == MESA_FORMAT_XRGB8888));
+	 dstmap[3] = 2;
+	 dstmap[2] = 1;
+	 dstmap[1] = 0;
+	 dstmap[0] = 3;
+      }
+ 
+      _mesa_swizzle_ubyte_image(ctx, dims,
+				srcFormat,
+				srcType,
+				baseInternalFormat,
+				dstmap, 4,
+				dstAddr, dstXoffset, dstYoffset, dstZoffset,
+				dstRowStride,
+                                dstImageOffsets,
+				srcWidth, srcHeight, srcDepth, srcAddr,
+				srcPacking);      
+   }
+   else {
+      /* general path */
+      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLchan *src = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLuint *dstUI = (GLuint *) dstRow;
+            if (dstFormat == MESA_FORMAT_ARGB8888) {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[ACOMP]),
+                                                CHAN_TO_UBYTE(src[RCOMP]),
+                                                CHAN_TO_UBYTE(src[GCOMP]),
+                                                CHAN_TO_UBYTE(src[BCOMP]) );
+                  src += 4;
+               }
+            }
+            else if (dstFormat == MESA_FORMAT_XRGB8888) {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUI[col] = PACK_COLOR_8888( 0xff,
+                                                CHAN_TO_UBYTE(src[RCOMP]),
+                                                CHAN_TO_UBYTE(src[GCOMP]),
+                                                CHAN_TO_UBYTE(src[BCOMP]) );
+                  src += 4;
+               }
+            }
+            else {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[ACOMP]),
+                                                    CHAN_TO_UBYTE(src[RCOMP]),
+                                                    CHAN_TO_UBYTE(src[GCOMP]),
+                                                    CHAN_TO_UBYTE(src[BCOMP]) );
+                  src += 4;
+               }
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+static GLboolean
+_mesa_texstore_rgb888(TEXSTORE_PARAMS)
+{
+   const GLboolean littleEndian = _mesa_little_endian();
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGB888);
+   ASSERT(texelBytes == 3);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == GL_RGB &&
+       srcFormat == GL_BGR &&
+       srcType == GL_UNSIGNED_BYTE &&
+       littleEndian) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (!ctx->_ImageTransferState &&
+            !srcPacking->SwapBytes &&
+            srcFormat == GL_RGBA &&
+            srcType == GL_UNSIGNED_BYTE) {
+      /* extract RGB from RGBA */
+      GLint img, row, col;
+      for (img = 0; img < srcDepth; img++) {
+         const GLint srcRowStride =
+            _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
+         GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
+                  srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            for (col = 0; col < srcWidth; col++) {
+               dstRow[col * 3 + 0] = srcRow[col * 4 + BCOMP];
+               dstRow[col * 3 + 1] = srcRow[col * 4 + GCOMP];
+               dstRow[col * 3 + 2] = srcRow[col * 4 + RCOMP];
+            }
+            dstRow += dstRowStride;
+            srcRow += srcRowStride;
+         }
+      }
+   }
+   else if (!ctx->_ImageTransferState &&
+	    srcType == GL_UNSIGNED_BYTE &&
+	    can_swizzle(baseInternalFormat) &&
+	    can_swizzle(srcFormat)) {
+
+      GLubyte dstmap[4];
+
+      /* dstmap - how to swizzle from RGBA to dst format:
+       */
+      dstmap[0] = 2;
+      dstmap[1] = 1;
+      dstmap[2] = 0;
+      dstmap[3] = ONE;		/* ? */
+      
+      _mesa_swizzle_ubyte_image(ctx, dims,
+				srcFormat,
+				srcType,
+				baseInternalFormat,
+				dstmap, 3,
+				dstAddr, dstXoffset, dstYoffset, dstZoffset,
+				dstRowStride, dstImageOffsets,
+				srcWidth, srcHeight, srcDepth, srcAddr,
+				srcPacking);      
+   }
+   else {
+      /* general path */
+      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLchan *src = (const GLchan *) tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+#if 0
+            if (littleEndian) {
+               for (col = 0; col < srcWidth; col++) {
+                  dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]);
+                  dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);
+                  dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]);
+                  srcUB += 3;
+               }
+            }
+            else {
+               for (col = 0; col < srcWidth; col++) {
+                  dstRow[col * 3 + 0] = srcUB[BCOMP];
+                  dstRow[col * 3 + 1] = srcUB[GCOMP];
+                  dstRow[col * 3 + 2] = srcUB[RCOMP];
+                  srcUB += 3;
+               }
+            }
+#else
+            for (col = 0; col < srcWidth; col++) {
+               dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[BCOMP]);
+               dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);
+               dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[RCOMP]);
+               src += 3;
+            }
+#endif
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+static GLboolean
+_mesa_texstore_bgr888(TEXSTORE_PARAMS)
+{
+   const GLboolean littleEndian = _mesa_little_endian();
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_BGR888);
+   ASSERT(texelBytes == 3);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == GL_RGB &&
+       srcFormat == GL_RGB &&
+       srcType == GL_UNSIGNED_BYTE &&
+       littleEndian) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (!ctx->_ImageTransferState &&
+            !srcPacking->SwapBytes &&
+            srcFormat == GL_RGBA &&
+            srcType == GL_UNSIGNED_BYTE) {
+      /* extract BGR from RGBA */
+      int img, row, col;
+      for (img = 0; img < srcDepth; img++) {
+         const GLint srcRowStride =
+            _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
+         GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
+                  srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            for (col = 0; col < srcWidth; col++) {
+               dstRow[col * 3 + 0] = srcRow[col * 4 + RCOMP];
+               dstRow[col * 3 + 1] = srcRow[col * 4 + GCOMP];
+               dstRow[col * 3 + 2] = srcRow[col * 4 + BCOMP];
+            }
+            dstRow += dstRowStride;
+            srcRow += srcRowStride;
+         }
+      }
+   }
+   else if (!ctx->_ImageTransferState &&
+	    srcType == GL_UNSIGNED_BYTE &&
+	    can_swizzle(baseInternalFormat) &&
+	    can_swizzle(srcFormat)) {
+
+      GLubyte dstmap[4];
+
+      /* dstmap - how to swizzle from RGBA to dst format:
+       */
+      dstmap[0] = 0;
+      dstmap[1] = 1;
+      dstmap[2] = 2;
+      dstmap[3] = ONE;		/* ? */
+      
+      _mesa_swizzle_ubyte_image(ctx, dims,
+				srcFormat,
+				srcType,
+				baseInternalFormat,
+				dstmap, 3,
+				dstAddr, dstXoffset, dstYoffset, dstZoffset,
+				dstRowStride, dstImageOffsets,
+				srcWidth, srcHeight, srcDepth, srcAddr,
+				srcPacking);      
+   }   
+   else {
+      /* general path */
+      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLchan *src = (const GLchan *) tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            for (col = 0; col < srcWidth; col++) {
+               dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]);
+               dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);
+               dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]);
+               src += 3;
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+static GLboolean
+_mesa_texstore_argb4444(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_ARGB4444 ||
+          dstFormat == MESA_FORMAT_ARGB4444_REV);
+   ASSERT(texelBytes == 2);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       dstFormat == MESA_FORMAT_ARGB4444 &&
+       baseInternalFormat == GL_RGBA &&
+       srcFormat == GL_BGRA &&
+       srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLchan *src = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLushort *dstUS = (GLushort *) dstRow;
+            if (dstFormat == MESA_FORMAT_ARGB4444) {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUS[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[ACOMP]),
+                                                CHAN_TO_UBYTE(src[RCOMP]),
+                                                CHAN_TO_UBYTE(src[GCOMP]),
+                                                CHAN_TO_UBYTE(src[BCOMP]) );
+                  src += 4;
+               }
+            }
+            else {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUS[col] = PACK_COLOR_4444_REV( CHAN_TO_UBYTE(src[ACOMP]),
+                                                    CHAN_TO_UBYTE(src[RCOMP]),
+                                                    CHAN_TO_UBYTE(src[GCOMP]),
+                                                    CHAN_TO_UBYTE(src[BCOMP]) );
+                  src += 4;
+               }
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+static GLboolean
+_mesa_texstore_rgba5551(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA5551);
+   ASSERT(texelBytes == 2);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       dstFormat == MESA_FORMAT_RGBA5551 &&
+       baseInternalFormat == GL_RGBA &&
+       srcFormat == GL_RGBA &&
+       srcType == GL_UNSIGNED_SHORT_5_5_5_1) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLchan *src =tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLushort *dstUS = (GLushort *) dstRow;
+	    for (col = 0; col < srcWidth; col++) {
+	       dstUS[col] = PACK_COLOR_5551( CHAN_TO_UBYTE(src[RCOMP]),
+					     CHAN_TO_UBYTE(src[GCOMP]),
+					     CHAN_TO_UBYTE(src[BCOMP]),
+					     CHAN_TO_UBYTE(src[ACOMP]) );
+	      src += 4;
+	    }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+static GLboolean
+_mesa_texstore_argb1555(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_ARGB1555 ||
+          dstFormat == MESA_FORMAT_ARGB1555_REV);
+   ASSERT(texelBytes == 2);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       dstFormat == MESA_FORMAT_ARGB1555 &&
+       baseInternalFormat == GL_RGBA &&
+       srcFormat == GL_BGRA &&
+       srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLchan *src =tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLushort *dstUS = (GLushort *) dstRow;
+            if (dstFormat == MESA_FORMAT_ARGB1555) {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUS[col] = PACK_COLOR_1555( CHAN_TO_UBYTE(src[ACOMP]),
+                                                CHAN_TO_UBYTE(src[RCOMP]),
+                                                CHAN_TO_UBYTE(src[GCOMP]),
+                                                CHAN_TO_UBYTE(src[BCOMP]) );
+                  src += 4;
+               }
+            }
+            else {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUS[col] = PACK_COLOR_1555_REV( CHAN_TO_UBYTE(src[ACOMP]),
+                                                    CHAN_TO_UBYTE(src[RCOMP]),
+                                                    CHAN_TO_UBYTE(src[GCOMP]),
+                                                    CHAN_TO_UBYTE(src[BCOMP]) );
+                  src += 4;
+               }
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+static GLboolean
+_mesa_texstore_argb2101010(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_ARGB2101010);
+   ASSERT(texelBytes == 4);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       dstFormat == MESA_FORMAT_ARGB2101010 &&
+       srcFormat == GL_BGRA &&
+       srcType == GL_UNSIGNED_INT_2_10_10_10_REV &&
+       baseInternalFormat == GL_RGBA) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking,
+                                                 ctx->_ImageTransferState);
+      const GLfloat *src = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         if (baseInternalFormat == GL_RGBA) {
+            for (row = 0; row < srcHeight; row++) {
+               GLuint *dstUI = (GLuint *) dstRow;
+               for (col = 0; col < srcWidth; col++) {
+                  GLushort a,r,g,b;
+
+                  UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]);
+                  UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]);
+                  UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]);
+                  UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]);
+                  dstUI[col] = PACK_COLOR_2101010_US(a, r, g, b);
+                  src += 4;
+               }
+               dstRow += dstRowStride;
+            }
+         } else if (baseInternalFormat == GL_RGB) {
+            for (row = 0; row < srcHeight; row++) {
+               GLuint *dstUI = (GLuint *) dstRow;
+               for (col = 0; col < srcWidth; col++) {
+                  GLushort r,g,b;
+
+                  UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]);
+                  UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]);
+                  UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]);
+                  dstUI[col] = PACK_COLOR_2101010_US(0xffff, r, g, b);
+                  src += 4;
+               }
+               dstRow += dstRowStride;
+            }
+         } else {
+            ASSERT(0);
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Do texstore for 2-channel, 4-bit/channel, unsigned normalized formats.
+ */
+static GLboolean
+_mesa_texstore_unorm44(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_AL44);
+   ASSERT(texelBytes == 1);
+
+   {
+      /* general path */
+      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLchan *src = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLubyte *dstUS = (GLubyte *) dstRow;
+            for (col = 0; col < srcWidth; col++) {
+               /* src[0] is luminance, src[1] is alpha */
+               dstUS[col] = PACK_COLOR_44( CHAN_TO_UBYTE(src[1]),
+                                           CHAN_TO_UBYTE(src[0]) );
+               src += 2;
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Do texstore for 2-channel, 8-bit/channel, unsigned normalized formats.
+ */
+static GLboolean
+_mesa_texstore_unorm88(TEXSTORE_PARAMS)
+{
+   const GLboolean littleEndian = _mesa_little_endian();
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_AL88 ||
+          dstFormat == MESA_FORMAT_AL88_REV ||
+          dstFormat == MESA_FORMAT_RG88 ||
+          dstFormat == MESA_FORMAT_RG88_REV);
+   ASSERT(texelBytes == 2);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       (dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_RG88) &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_UNSIGNED_BYTE &&
+       littleEndian) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (!ctx->_ImageTransferState &&
+	    littleEndian &&
+	    srcType == GL_UNSIGNED_BYTE &&
+	    can_swizzle(baseInternalFormat) &&
+	    can_swizzle(srcFormat)) {
+      GLubyte dstmap[4];
+
+      /* dstmap - how to swizzle from RGBA to dst format:
+       */
+      if (dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_AL88_REV) {
+	 if ((littleEndian && dstFormat == MESA_FORMAT_AL88) ||
+	     (!littleEndian && dstFormat == MESA_FORMAT_AL88_REV)) {
+	    dstmap[0] = 0;
+	    dstmap[1] = 3;
+	 }
+	 else {
+	    dstmap[0] = 3;
+	    dstmap[1] = 0;
+	 }
+      }
+      else {
+	 if ((littleEndian && dstFormat == MESA_FORMAT_RG88) ||
+	     (!littleEndian && dstFormat == MESA_FORMAT_RG88_REV)) {
+	    dstmap[0] = 0;
+	    dstmap[1] = 1;
+	 }
+	 else {
+	    dstmap[0] = 1;
+	    dstmap[1] = 0;
+	 }
+      }
+      dstmap[2] = ZERO;		/* ? */
+      dstmap[3] = ONE;		/* ? */
+      
+      _mesa_swizzle_ubyte_image(ctx, dims,
+				srcFormat,
+				srcType,
+				baseInternalFormat,
+				dstmap, 2,
+				dstAddr, dstXoffset, dstYoffset, dstZoffset,
+				dstRowStride, dstImageOffsets,
+				srcWidth, srcHeight, srcDepth, srcAddr,
+				srcPacking);      
+   }   
+   else {
+      /* general path */
+      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLchan *src = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLushort *dstUS = (GLushort *) dstRow;
+            if (dstFormat == MESA_FORMAT_AL88 ||
+		dstFormat == MESA_FORMAT_RG88) {
+               for (col = 0; col < srcWidth; col++) {
+                  /* src[0] is luminance, src[1] is alpha */
+                 dstUS[col] = PACK_COLOR_88( CHAN_TO_UBYTE(src[1]),
+                                             CHAN_TO_UBYTE(src[0]) );
+                 src += 2;
+               }
+            }
+            else {
+               for (col = 0; col < srcWidth; col++) {
+                  /* src[0] is luminance, src[1] is alpha */
+                 dstUS[col] = PACK_COLOR_88_REV( CHAN_TO_UBYTE(src[1]),
+                                                 CHAN_TO_UBYTE(src[0]) );
+                 src += 2;
+               }
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Do texstore for 2-channel, 16-bit/channel, unsigned normalized formats.
+ */
+static GLboolean
+_mesa_texstore_unorm1616(TEXSTORE_PARAMS)
+{
+   const GLboolean littleEndian = _mesa_little_endian();
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_AL1616 ||
+          dstFormat == MESA_FORMAT_AL1616_REV ||
+	  dstFormat == MESA_FORMAT_RG1616 ||
+          dstFormat == MESA_FORMAT_RG1616_REV);
+   ASSERT(texelBytes == 4);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       (dstFormat == MESA_FORMAT_AL1616 || dstFormat == MESA_FORMAT_RG1616) &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_UNSIGNED_SHORT &&
+       littleEndian) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking,
+                                                 ctx->_ImageTransferState);
+      const GLfloat *src = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLuint *dstUI = (GLuint *) dstRow;
+            if (dstFormat == MESA_FORMAT_AL1616 ||
+		dstFormat == MESA_FORMAT_RG1616) {
+               for (col = 0; col < srcWidth; col++) {
+		  GLushort l, a;
+
+		  UNCLAMPED_FLOAT_TO_USHORT(l, src[0]);
+		  UNCLAMPED_FLOAT_TO_USHORT(a, src[1]);
+		  dstUI[col] = PACK_COLOR_1616(a, l);
+		  src += 2;
+               }
+            }
+            else {
+               for (col = 0; col < srcWidth; col++) {
+		  GLushort l, a;
+
+		  UNCLAMPED_FLOAT_TO_USHORT(l, src[0]);
+		  UNCLAMPED_FLOAT_TO_USHORT(a, src[1]);
+		  dstUI[col] = PACK_COLOR_1616_REV(a, l);
+		  src += 2;
+               }
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/* Texstore for R16, A16, L16, I16. */
+static GLboolean
+_mesa_texstore_unorm16(TEXSTORE_PARAMS)
+{
+   const GLboolean littleEndian = _mesa_little_endian();
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_R16 ||
+          dstFormat == MESA_FORMAT_A16 ||
+          dstFormat == MESA_FORMAT_L16 ||
+          dstFormat == MESA_FORMAT_I16);
+   ASSERT(texelBytes == 2);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_UNSIGNED_SHORT &&
+       littleEndian) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking,
+                                                 ctx->_ImageTransferState);
+      const GLfloat *src = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLushort *dstUS = (GLushort *) dstRow;
+	    for (col = 0; col < srcWidth; col++) {
+	       GLushort r;
+
+	       UNCLAMPED_FLOAT_TO_USHORT(r, src[0]);
+	       dstUS[col] = r;
+	       src += 1;
+	    }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+static GLboolean
+_mesa_texstore_rgba_16(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_16);
+   ASSERT(texelBytes == 8);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == GL_RGBA &&
+       srcFormat == GL_RGBA &&
+       srcType == GL_UNSIGNED_SHORT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking,
+                                                 ctx->_ImageTransferState);
+      const GLfloat *src = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLushort *dstUS = (GLushort *) dstRow;
+            for (col = 0; col < srcWidth; col++) {
+               GLushort r, g, b, a;
+
+               UNCLAMPED_FLOAT_TO_USHORT(r, src[0]);
+               UNCLAMPED_FLOAT_TO_USHORT(g, src[1]);
+               UNCLAMPED_FLOAT_TO_USHORT(b, src[2]);
+               UNCLAMPED_FLOAT_TO_USHORT(a, src[3]);
+               dstUS[col*4+0] = r;
+               dstUS[col*4+1] = g;
+               dstUS[col*4+2] = b;
+               dstUS[col*4+3] = a;
+               src += 4;
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+static GLboolean
+_mesa_texstore_signed_rgba_16(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_SIGNED_R_16 ||
+          dstFormat == MESA_FORMAT_SIGNED_RG_16 ||
+          dstFormat == MESA_FORMAT_SIGNED_RGB_16 ||
+          dstFormat == MESA_FORMAT_SIGNED_RGBA_16);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == GL_RGBA &&
+       dstFormat == MESA_FORMAT_SIGNED_RGBA_16 &&
+       srcFormat == GL_RGBA &&
+       srcType == GL_SHORT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking,
+                                                 ctx->_ImageTransferState);
+      const GLfloat *src = tempImage;
+      const GLuint comps = _mesa_get_format_bytes(dstFormat) / 2;
+      GLint img, row, col;
+
+      if (!tempImage)
+         return GL_FALSE;
+
+      /* Note: tempImage is always float[4] / RGBA.  We convert to 1, 2,
+       * 3 or 4 components/pixel here.
+       */
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLshort *dstRowS = (GLshort *) dstRow;
+            for (col = 0; col < srcWidth; col++) {
+               GLuint c;
+               for (c = 0; c < comps; c++) {
+                  GLshort p;
+                  UNCLAMPED_FLOAT_TO_SHORT(p, src[col * 4 + c]);
+                  dstRowS[col * comps + c] = p;
+               }
+            }
+            dstRow += dstRowStride;
+            src += 4 * srcWidth;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+static GLboolean
+_mesa_texstore_rgb332(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGB332);
+   ASSERT(texelBytes == 1);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == GL_RGB &&
+       srcFormat == GL_RGB && srcType == GL_UNSIGNED_BYTE_3_3_2) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLchan *src = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            for (col = 0; col < srcWidth; col++) {
+               dstRow[col] = PACK_COLOR_332( CHAN_TO_UBYTE(src[RCOMP]),
+                                             CHAN_TO_UBYTE(src[GCOMP]),
+                                             CHAN_TO_UBYTE(src[BCOMP]) );
+               src += 3;
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Texstore for _mesa_texformat_a8, _mesa_texformat_l8, _mesa_texformat_i8.
+ */
+static GLboolean
+_mesa_texstore_a8(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_A8 ||
+          dstFormat == MESA_FORMAT_L8 ||
+          dstFormat == MESA_FORMAT_I8 ||
+          dstFormat == MESA_FORMAT_R8);
+   ASSERT(texelBytes == 1);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_UNSIGNED_BYTE) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (!ctx->_ImageTransferState &&
+	    srcType == GL_UNSIGNED_BYTE &&
+	    can_swizzle(baseInternalFormat) &&
+	    can_swizzle(srcFormat)) {
+      GLubyte dstmap[4];
+
+      /* dstmap - how to swizzle from RGBA to dst format:
+       */
+      if (dstFormat == MESA_FORMAT_A8) {
+	 dstmap[0] = 3;
+      }
+      else {
+	 dstmap[0] = 0;
+      }
+      dstmap[1] = ZERO;		/* ? */
+      dstmap[2] = ZERO;		/* ? */
+      dstmap[3] = ONE;		/* ? */
+      
+      _mesa_swizzle_ubyte_image(ctx, dims,
+				srcFormat,
+				srcType,
+				baseInternalFormat,
+				dstmap, 1,
+				dstAddr, dstXoffset, dstYoffset, dstZoffset,
+				dstRowStride, dstImageOffsets,
+				srcWidth, srcHeight, srcDepth, srcAddr,
+				srcPacking);      
+   }   
+   else {
+      /* general path */
+      const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking);
+      const GLchan *src = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            for (col = 0; col < srcWidth; col++) {
+               dstRow[col] = CHAN_TO_UBYTE(src[col]);
+            }
+            dstRow += dstRowStride;
+            src += srcWidth;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+
+static GLboolean
+_mesa_texstore_ci8(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+
+   (void) dims; (void) baseInternalFormat;
+   ASSERT(dstFormat == MESA_FORMAT_CI8);
+   ASSERT(texelBytes == 1);
+   ASSERT(baseInternalFormat == GL_COLOR_INDEX);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       srcFormat == GL_COLOR_INDEX &&
+       srcType == GL_UNSIGNED_BYTE) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      GLint img, row;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            const GLvoid *src = _mesa_image_address(dims, srcPacking,
+                srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
+            _mesa_unpack_index_span(ctx, srcWidth, GL_UNSIGNED_BYTE, dstRow,
+                                    srcType, src, srcPacking,
+                                    ctx->_ImageTransferState);
+            dstRow += dstRowStride;
+         }
+      }
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Texstore for _mesa_texformat_ycbcr or _mesa_texformat_ycbcr_REV.
+ */
+static GLboolean
+_mesa_texstore_ycbcr(TEXSTORE_PARAMS)
+{
+   const GLboolean littleEndian = _mesa_little_endian();
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+
+   (void) ctx; (void) dims; (void) baseInternalFormat;
+
+   ASSERT((dstFormat == MESA_FORMAT_YCBCR) ||
+          (dstFormat == MESA_FORMAT_YCBCR_REV));
+   ASSERT(texelBytes == 2);
+   ASSERT(ctx->Extensions.MESA_ycbcr_texture);
+   ASSERT(srcFormat == GL_YCBCR_MESA);
+   ASSERT((srcType == GL_UNSIGNED_SHORT_8_8_MESA) ||
+          (srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA));
+   ASSERT(baseInternalFormat == GL_YCBCR_MESA);
+
+   /* always just memcpy since no pixel transfer ops apply */
+   memcpy_texture(ctx, dims,
+                  dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                  dstRowStride,
+                  dstImageOffsets,
+                  srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                  srcAddr, srcPacking);
+
+   /* Check if we need byte swapping */
+   /* XXX the logic here _might_ be wrong */
+   if (srcPacking->SwapBytes ^
+       (srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA) ^
+       (dstFormat == MESA_FORMAT_YCBCR_REV) ^
+       !littleEndian) {
+      GLint img, row;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            _mesa_swap2((GLushort *) dstRow, srcWidth);
+            dstRow += dstRowStride;
+         }
+      }
+   }
+   return GL_TRUE;
+}
+
+static GLboolean
+_mesa_texstore_dudv8(TEXSTORE_PARAMS)
+{
+   const GLboolean littleEndian = _mesa_little_endian();
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_DUDV8);
+   ASSERT(texelBytes == 2);
+   ASSERT(ctx->Extensions.ATI_envmap_bumpmap);
+   ASSERT((srcFormat == GL_DU8DV8_ATI) ||
+	  (srcFormat == GL_DUDV_ATI));
+   ASSERT(baseInternalFormat == GL_DUDV_ATI);
+
+   if (!srcPacking->SwapBytes && srcType == GL_BYTE &&
+       littleEndian) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (srcType == GL_BYTE) {
+      GLubyte dstmap[4];
+
+      /* dstmap - how to swizzle from RGBA to dst format:
+       */
+      if (littleEndian) {
+	 dstmap[0] = 0;
+	 dstmap[1] = 3;
+      }
+      else {
+	 dstmap[0] = 3;
+	 dstmap[1] = 0;
+      }
+      dstmap[2] = ZERO;		/* ? */
+      dstmap[3] = ONE;		/* ? */
+      
+      _mesa_swizzle_ubyte_image(ctx, dims,
+				GL_LUMINANCE_ALPHA, /* hack */
+				GL_UNSIGNED_BYTE, /* hack */
+				GL_LUMINANCE_ALPHA, /* hack */
+				dstmap, 2,
+				dstAddr, dstXoffset, dstYoffset, dstZoffset,
+				dstRowStride, dstImageOffsets,
+				srcWidth, srcHeight, srcDepth, srcAddr,
+				srcPacking);      
+   }   
+   else {
+      /* general path - note this is defined for 2d textures only */
+      const GLint components = _mesa_components_in_format(baseInternalFormat);
+      const GLint srcStride = _mesa_image_row_stride(srcPacking, srcWidth,
+                                                     srcFormat, srcType);
+      GLbyte *tempImage, *dst, *src;
+      GLint row;
+
+      tempImage = (GLbyte *) malloc(srcWidth * srcHeight * srcDepth
+                                          * components * sizeof(GLbyte));
+      if (!tempImage)
+         return GL_FALSE;
+
+      src = (GLbyte *) _mesa_image_address(dims, srcPacking, srcAddr,
+                                           srcWidth, srcHeight,
+                                           srcFormat, srcType,
+                                           0, 0, 0);
+
+      dst = tempImage;
+      for (row = 0; row < srcHeight; row++) {
+         _mesa_unpack_dudv_span_byte(ctx, srcWidth, baseInternalFormat,
+                                     dst, srcFormat, srcType, src,
+                                     srcPacking, 0);
+         dst += srcWidth * components;
+         src += srcStride;
+      }
+ 
+      src = tempImage;
+      dst = (GLbyte *) dstAddr
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+      for (row = 0; row < srcHeight; row++) {
+         memcpy(dst, src, srcWidth * texelBytes);
+         dst += dstRowStride;
+         src += srcWidth * texelBytes;
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Store a texture in MESA_FORMAT_SIGNED_R8 format.
+ */
+static GLboolean
+_mesa_texstore_signed_r8(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_SIGNED_R8);
+   ASSERT(texelBytes == 1);
+
+   /* XXX look at adding optimized paths */
+   {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking,
+                                                 ctx->_ImageTransferState);
+      const GLfloat *srcRow = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLubyte *dstB = (GLubyte *) dstRow;
+            for (col = 0; col < srcWidth; col++) {
+               dstB[col] = FLOAT_TO_BYTE_TEX(srcRow[RCOMP]);
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Store a texture in MESA_FORMAT_SIGNED_RG88 format.
+ */
+static GLboolean
+_mesa_texstore_signed_rg88(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_SIGNED_RG88);
+   ASSERT(texelBytes == 1);
+
+   /* XXX look at adding optimized paths */
+   {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking,
+                                                 ctx->_ImageTransferState);
+      const GLfloat *srcRow = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLushort *dstUS = (GLushort *) dstRow;
+            for (col = 0; col < srcWidth; col++) {
+               dstUS[col] = PACK_COLOR_88(FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),
+                                          FLOAT_TO_BYTE_TEX(srcRow[GCOMP]));
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Store a texture in MESA_FORMAT_SIGNED_RGBX8888.
+ */
+static GLboolean
+_mesa_texstore_signed_rgbx8888(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBX8888);
+   ASSERT(texelBytes == 4);
+
+   {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking,
+                                                 ctx->_ImageTransferState);
+      const GLfloat *srcRow = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLuint *dstUI = (GLuint *) dstRow;
+            for (col = 0; col < srcWidth; col++) {
+               dstUI[col] = PACK_COLOR_8888( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),
+                                             FLOAT_TO_BYTE_TEX(srcRow[GCOMP]),
+                                             FLOAT_TO_BYTE_TEX(srcRow[BCOMP]),
+                                             0xff );
+               srcRow += 4;
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+
+/**
+ * Store a texture in MESA_FORMAT_SIGNED_RGBA8888 or
+ * MESA_FORMAT_SIGNED_RGBA8888_REV
+ */
+static GLboolean
+_mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS)
+{
+   const GLboolean littleEndian = _mesa_little_endian();
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBA8888 ||
+          dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV);
+   ASSERT(texelBytes == 4);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       dstFormat == MESA_FORMAT_SIGNED_RGBA8888 &&
+       baseInternalFormat == GL_RGBA &&
+      ((srcFormat == GL_RGBA && srcType == GL_BYTE && !littleEndian) ||
+       (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && littleEndian))) {
+       /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV &&
+       baseInternalFormat == GL_RGBA &&
+      ((srcFormat == GL_RGBA && srcType == GL_BYTE && littleEndian) ||
+       (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && !littleEndian))) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (!ctx->_ImageTransferState &&
+	    (srcType == GL_BYTE) &&
+	    can_swizzle(baseInternalFormat) &&
+	    can_swizzle(srcFormat)) {
+
+      GLubyte dstmap[4];
+
+      /* dstmap - how to swizzle from RGBA to dst format:
+       */
+      if ((littleEndian && dstFormat == MESA_FORMAT_SIGNED_RGBA8888) ||
+	  (!littleEndian && dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV)) {
+	 dstmap[3] = 0;
+	 dstmap[2] = 1;
+	 dstmap[1] = 2;
+	 dstmap[0] = 3;
+      }
+      else {
+	 dstmap[3] = 3;
+	 dstmap[2] = 2;
+	 dstmap[1] = 1;
+	 dstmap[0] = 0;
+      }
+      
+      _mesa_swizzle_ubyte_image(ctx, dims,
+				srcFormat,
+				srcType,
+				baseInternalFormat,
+				dstmap, 4,
+				dstAddr, dstXoffset, dstYoffset, dstZoffset,
+				dstRowStride, dstImageOffsets,
+				srcWidth, srcHeight, srcDepth, srcAddr,
+				srcPacking);      
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking,
+                                                 ctx->_ImageTransferState);
+      const GLfloat *srcRow = tempImage;
+      GLint img, row, col;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLuint *dstUI = (GLuint *) dstRow;
+            if (dstFormat == MESA_FORMAT_SIGNED_RGBA8888) {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUI[col] = PACK_COLOR_8888( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),
+                                                FLOAT_TO_BYTE_TEX(srcRow[GCOMP]),
+                                                FLOAT_TO_BYTE_TEX(srcRow[BCOMP]),
+                                                FLOAT_TO_BYTE_TEX(srcRow[ACOMP]) );
+                  srcRow += 4;
+               }
+            }
+            else {
+               for (col = 0; col < srcWidth; col++) {
+                  dstUI[col] = PACK_COLOR_8888_REV( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),
+                                                    FLOAT_TO_BYTE_TEX(srcRow[GCOMP]),
+                                                    FLOAT_TO_BYTE_TEX(srcRow[BCOMP]),
+                                                    FLOAT_TO_BYTE_TEX(srcRow[ACOMP]) );
+                  srcRow += 4;
+               }
+            }
+            dstRow += dstRowStride;
+         }
+      }
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Store a combined depth/stencil texture image.
+ */
+static GLboolean
+_mesa_texstore_z24_s8(TEXSTORE_PARAMS)
+{
+   const GLuint depthScale = 0xffffff;
+   const GLint srcRowStride
+      = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
+      / sizeof(GLuint);
+   GLint img, row;
+
+   ASSERT(dstFormat == MESA_FORMAT_Z24_S8);
+   ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT);
+   ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT);
+
+   if (srcFormat != GL_DEPTH_COMPONENT && ctx->Pixel.DepthScale == 1.0f &&
+       ctx->Pixel.DepthBias == 0.0f &&
+       !srcPacking->SwapBytes) {
+      /* simple path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else if (srcFormat == GL_DEPTH_COMPONENT) {
+      /* In case we only upload depth we need to preserve the stencil */
+      for (img = 0; img < srcDepth; img++) {
+	 GLuint *dstRow = (GLuint *) dstAddr
+            + dstImageOffsets[dstZoffset + img]
+            + dstYoffset * dstRowStride / sizeof(GLuint)
+            + dstXoffset;
+         const GLuint *src
+            = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
+                  srcWidth, srcHeight,
+                  srcFormat, srcType,
+                  img, 0, 0);
+         for (row = 0; row < srcHeight; row++) {
+            GLuint depth[MAX_WIDTH];
+	    GLubyte stencil[MAX_WIDTH];
+            GLint i;
+	    GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE;
+
+	    if (srcFormat == GL_DEPTH_COMPONENT) { /* preserve stencil */
+	       keepstencil = GL_TRUE;
+	    }
+            else if (srcFormat == GL_STENCIL_INDEX) { /* preserve depth */
+	       keepdepth = GL_TRUE;
+	    }
+
+	    if (keepdepth == GL_FALSE)
+	       /* the 24 depth bits will be in the low position: */
+	       _mesa_unpack_depth_span(ctx, srcWidth,
+				       GL_UNSIGNED_INT, /* dst type */
+				       keepstencil ? depth : dstRow, /* dst addr */
+				       depthScale,
+				       srcType, src, srcPacking);
+
+	    if (keepstencil == GL_FALSE)
+	       /* get the 8-bit stencil values */
+	       _mesa_unpack_stencil_span(ctx, srcWidth,
+					 GL_UNSIGNED_BYTE, /* dst type */
+					 stencil, /* dst addr */
+					 srcType, src, srcPacking,
+					 ctx->_ImageTransferState);
+
+	    for (i = 0; i < srcWidth; i++) {
+	       if (keepstencil)
+		  dstRow[i] = depth[i] << 8 | (dstRow[i] & 0x000000FF);
+	       else
+		  dstRow[i] = (dstRow[i] & 0xFFFFFF00) | (stencil[i] & 0xFF);
+	    }
+
+            src += srcRowStride;
+            dstRow += dstRowStride / sizeof(GLuint);
+         }
+      }
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Store a combined depth/stencil texture image.
+ */
+static GLboolean
+_mesa_texstore_s8_z24(TEXSTORE_PARAMS)
+{
+   const GLuint depthScale = 0xffffff;
+   const GLint srcRowStride
+      = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
+      / sizeof(GLuint);
+   GLint img, row;
+
+   ASSERT(dstFormat == MESA_FORMAT_S8_Z24);
+   ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT ||
+          srcFormat == GL_DEPTH_COMPONENT ||
+          srcFormat == GL_STENCIL_INDEX);
+   ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT ||
+          srcType == GL_UNSIGNED_INT_24_8_EXT);
+
+   for (img = 0; img < srcDepth; img++) {
+      GLuint *dstRow = (GLuint *) dstAddr
+	 + dstImageOffsets[dstZoffset + img]
+	 + dstYoffset * dstRowStride / sizeof(GLuint)
+	 + dstXoffset;
+      const GLuint *src
+	 = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
+						srcWidth, srcHeight,
+						srcFormat, srcType,
+						img, 0, 0);
+      for (row = 0; row < srcHeight; row++) {
+	 GLuint depth[MAX_WIDTH];
+	 GLubyte stencil[MAX_WIDTH];
+	 GLint i;
+	 GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE;
+	 
+	 if (srcFormat == GL_DEPTH_COMPONENT) { /* preserve stencil */
+	    keepstencil = GL_TRUE;
+	 }
+         else if (srcFormat == GL_STENCIL_INDEX) { /* preserve depth */
+	    keepdepth = GL_TRUE;
+	 }
+
+	 if (keepdepth == GL_FALSE)
+	    /* the 24 depth bits will be in the low position: */
+	    _mesa_unpack_depth_span(ctx, srcWidth,
+				    GL_UNSIGNED_INT, /* dst type */
+				    keepstencil ? depth : dstRow, /* dst addr */
+				    depthScale,
+				    srcType, src, srcPacking);	 
+
+	 if (keepstencil == GL_FALSE)
+	    /* get the 8-bit stencil values */
+	    _mesa_unpack_stencil_span(ctx, srcWidth,
+				      GL_UNSIGNED_BYTE, /* dst type */
+				      stencil, /* dst addr */
+				      srcType, src, srcPacking,
+				      ctx->_ImageTransferState);
+
+	 /* merge stencil values into depth values */
+	 for (i = 0; i < srcWidth; i++) {
+	    if (keepstencil)
+	       dstRow[i] = depth[i] | (dstRow[i] & 0xFF000000);
+	    else
+	       dstRow[i] = (dstRow[i] & 0xFFFFFF) | (stencil[i] << 24);
+
+	 }
+	 src += srcRowStride;
+	 dstRow += dstRowStride / sizeof(GLuint);
+      }
+   }
+   return GL_TRUE;
+}
+
+
+/**
+ * Store simple 8-bit/value stencil texture data.
+ */
+static GLboolean
+_mesa_texstore_s8(TEXSTORE_PARAMS)
+{
+   ASSERT(dstFormat == MESA_FORMAT_S8);
+   ASSERT(srcFormat == GL_STENCIL_INDEX);
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_UNSIGNED_BYTE) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      const GLint srcRowStride
+	 = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
+	 / sizeof(GLuint);
+      GLint img, row;
+      
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img]
+            + dstYoffset * dstRowStride / sizeof(GLuint)
+            + dstXoffset;
+         const GLuint *src
+            = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
+                                                   srcWidth, srcHeight,
+                                                   srcFormat, srcType,
+                                                   img, 0, 0);
+         for (row = 0; row < srcHeight; row++) {
+            GLubyte stencil[MAX_WIDTH];
+            GLint i;
+
+            /* get the 8-bit stencil values */
+            _mesa_unpack_stencil_span(ctx, srcWidth,
+                                      GL_UNSIGNED_BYTE, /* dst type */
+                                      stencil, /* dst addr */
+                                      srcType, src, srcPacking,
+                                      ctx->_ImageTransferState);
+            /* merge stencil values into depth values */
+            for (i = 0; i < srcWidth; i++)
+               dstRow[i] = stencil[i];
+
+            src += srcRowStride;
+            dstRow += dstRowStride / sizeof(GLubyte);
+         }
+      }
+
+   }
+
+   return GL_TRUE;
+}
+
+
+/**
+ * Store an image in any of the formats:
+ *   _mesa_texformat_rgba_float32
+ *   _mesa_texformat_rgb_float32
+ *   _mesa_texformat_alpha_float32
+ *   _mesa_texformat_luminance_float32
+ *   _mesa_texformat_luminance_alpha_float32
+ *   _mesa_texformat_intensity_float32
+ */
+static GLboolean
+_mesa_texstore_rgba_float32(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_FLOAT32 ||
+          dstFormat == MESA_FORMAT_RGB_FLOAT32 ||
+          dstFormat == MESA_FORMAT_ALPHA_FLOAT32 ||
+          dstFormat == MESA_FORMAT_LUMINANCE_FLOAT32 ||
+          dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32 ||
+          dstFormat == MESA_FORMAT_INTENSITY_FLOAT32);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLfloat));
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_FLOAT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking,
+                                                 ctx->_ImageTransferState);
+      const GLfloat *srcRow = tempImage;
+      GLint bytesPerRow;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      bytesPerRow = srcWidth * components * sizeof(GLfloat);
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            memcpy(dstRow, srcRow, bytesPerRow);
+            dstRow += dstRowStride;
+            srcRow += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+
+/**
+ * As above, but store 16-bit floats.
+ */
+static GLboolean
+_mesa_texstore_rgba_float16(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_FLOAT16 ||
+          dstFormat == MESA_FORMAT_RGB_FLOAT16 ||
+          dstFormat == MESA_FORMAT_ALPHA_FLOAT16 ||
+          dstFormat == MESA_FORMAT_LUMINANCE_FLOAT16 ||
+          dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16 ||
+          dstFormat == MESA_FORMAT_INTENSITY_FLOAT16);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLhalfARB));
+
+   if (!ctx->_ImageTransferState &&
+       !srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_HALF_FLOAT_ARB) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking,
+                                                 ctx->_ImageTransferState);
+      const GLfloat *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLhalfARB *dstTexel = (GLhalfARB *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = _mesa_float_to_half(src[i]);
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/* non-normalized, signed int8 */
+static GLboolean
+_mesa_texstore_rgba_int8(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_INT8);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLbyte));
+
+   /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
+    * to integer formats.
+    */
+   if (!srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_BYTE) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking, 0x0);
+      const GLfloat *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLbyte *dstTexel = (GLbyte *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = (GLbyte) src[i];
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/* non-normalized, signed int16 */
+static GLboolean
+_mesa_texstore_rgba_int16(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_INT16);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLshort));
+
+   /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
+    * to integer formats.
+    */
+   if (!srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_SHORT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking, 0x0);
+      const GLfloat *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLshort *dstTexel = (GLshort *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = (GLint) src[i];
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/* non-normalized, signed int32 */
+static GLboolean
+_mesa_texstore_rgba_int32(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_INT32);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLint));
+
+   /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
+    * to integer formats.
+    */
+   if (!srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_INT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
+                                                 baseInternalFormat,
+                                                 baseFormat,
+                                                 srcWidth, srcHeight, srcDepth,
+                                                 srcFormat, srcType, srcAddr,
+                                                 srcPacking, 0x0);
+      const GLfloat *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLint *dstTexel = (GLint *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = (GLint) src[i];
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/* non-normalized, unsigned int8 */
+static GLboolean
+_mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT8);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLubyte));
+
+   /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
+    * to integer formats.
+    */
+   if (!srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_UNSIGNED_BYTE) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLuint *tempImage =
+         make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,
+                              srcWidth, srcHeight, srcDepth,
+                              srcFormat, srcType, srcAddr, srcPacking);
+      const GLuint *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLubyte *dstTexel = (GLubyte *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = (GLubyte) CLAMP(src[i], 0, 0xff);
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/* non-normalized, unsigned int16 */
+static GLboolean
+_mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT16);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLushort));
+
+   /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
+    * to integer formats.
+    */
+   if (!srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_UNSIGNED_SHORT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLuint *tempImage =
+         make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,
+                              srcWidth, srcHeight, srcDepth,
+                              srcFormat, srcType, srcAddr, srcPacking);
+      const GLuint *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLushort *dstTexel = (GLushort *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = (GLushort) CLAMP(src[i], 0, 0xffff);
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+/* non-normalized, unsigned int32 */
+static GLboolean
+_mesa_texstore_rgba_uint32(TEXSTORE_PARAMS)
+{
+   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+   const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+   const GLint components = _mesa_components_in_format(baseFormat);
+
+   ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT32);
+   ASSERT(baseInternalFormat == GL_RGBA ||
+          baseInternalFormat == GL_RGB ||
+          baseInternalFormat == GL_ALPHA ||
+          baseInternalFormat == GL_LUMINANCE ||
+          baseInternalFormat == GL_LUMINANCE_ALPHA ||
+          baseInternalFormat == GL_INTENSITY);
+   ASSERT(texelBytes == components * sizeof(GLuint));
+
+   /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
+    * to integer formats.
+    */
+   if (!srcPacking->SwapBytes &&
+       baseInternalFormat == srcFormat &&
+       srcType == GL_UNSIGNED_INT) {
+      /* simple memcpy path */
+      memcpy_texture(ctx, dims,
+                     dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                     dstRowStride,
+                     dstImageOffsets,
+                     srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+                     srcAddr, srcPacking);
+   }
+   else {
+      /* general path */
+      const GLuint *tempImage =
+         make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,
+                              srcWidth, srcHeight, srcDepth,
+                              srcFormat, srcType, srcAddr, srcPacking);
+      const GLuint *src = tempImage;
+      GLint img, row;
+      if (!tempImage)
+         return GL_FALSE;
+      for (img = 0; img < srcDepth; img++) {
+         GLubyte *dstRow = (GLubyte *) dstAddr
+            + dstImageOffsets[dstZoffset + img] * texelBytes
+            + dstYoffset * dstRowStride
+            + dstXoffset * texelBytes;
+         for (row = 0; row < srcHeight; row++) {
+            GLuint *dstTexel = (GLuint *) dstRow;
+            GLint i;
+            for (i = 0; i < srcWidth * components; i++) {
+               dstTexel[i] = src[i];
+            }
+            dstRow += dstRowStride;
+            src += srcWidth * components;
+         }
+      }
+
+      free((void *) tempImage);
+   }
+   return GL_TRUE;
+}
+
+
+
+
+#if FEATURE_EXT_texture_sRGB
+static GLboolean
+_mesa_texstore_srgb8(TEXSTORE_PARAMS)
+{
+   gl_format newDstFormat;
+   GLboolean k;
+
+   ASSERT(dstFormat == MESA_FORMAT_SRGB8);
+
+   /* reuse normal rgb texstore code */
+   newDstFormat = MESA_FORMAT_RGB888;
+
+   k = _mesa_texstore_rgb888(ctx, dims, baseInternalFormat,
+                             newDstFormat, dstAddr,
+                             dstXoffset, dstYoffset, dstZoffset,
+                             dstRowStride, dstImageOffsets,
+                             srcWidth, srcHeight, srcDepth,
+                             srcFormat, srcType,
+                             srcAddr, srcPacking);
+   return k;
+}
+
+
+static GLboolean
+_mesa_texstore_srgba8(TEXSTORE_PARAMS)
+{
+   gl_format newDstFormat;
+   GLboolean k;
+
+   ASSERT(dstFormat == MESA_FORMAT_SRGBA8);
+
+   /* reuse normal rgba texstore code */
+   newDstFormat = MESA_FORMAT_RGBA8888;
+   k = _mesa_texstore_rgba8888(ctx, dims, baseInternalFormat,
+                               newDstFormat, dstAddr,
+                               dstXoffset, dstYoffset, dstZoffset,
+                               dstRowStride, dstImageOffsets,
+                               srcWidth, srcHeight, srcDepth,
+                               srcFormat, srcType,
+                               srcAddr, srcPacking);
+   return k;
+}
+
+
+static GLboolean
+_mesa_texstore_sargb8(TEXSTORE_PARAMS)
+{
+   gl_format newDstFormat;
+   GLboolean k;
+
+   ASSERT(dstFormat == MESA_FORMAT_SARGB8);
+
+   /* reuse normal rgba texstore code */
+   newDstFormat = MESA_FORMAT_ARGB8888;
+
+   k = _mesa_texstore_argb8888(ctx, dims, baseInternalFormat,
+                               newDstFormat, dstAddr,
+                               dstXoffset, dstYoffset, dstZoffset,
+                               dstRowStride, dstImageOffsets,
+                               srcWidth, srcHeight, srcDepth,
+                               srcFormat, srcType,
+                               srcAddr, srcPacking);
+   return k;
+}
+
+
+static GLboolean
+_mesa_texstore_sl8(TEXSTORE_PARAMS)
+{
+   gl_format newDstFormat;
+   GLboolean k;
+
+   ASSERT(dstFormat == MESA_FORMAT_SL8);
+
+   newDstFormat = MESA_FORMAT_L8;
+
+   /* _mesa_textore_a8 handles luminance8 too */
+   k = _mesa_texstore_a8(ctx, dims, baseInternalFormat,
+                         newDstFormat, dstAddr,
+                         dstXoffset, dstYoffset, dstZoffset,
+                         dstRowStride, dstImageOffsets,
+                         srcWidth, srcHeight, srcDepth,
+                         srcFormat, srcType,
+                         srcAddr, srcPacking);
+   return k;
+}
+
+
+static GLboolean
+_mesa_texstore_sla8(TEXSTORE_PARAMS)
+{
+   gl_format newDstFormat;
+   GLboolean k;
+
+   ASSERT(dstFormat == MESA_FORMAT_SLA8);
+
+   /* reuse normal luminance/alpha texstore code */
+   newDstFormat = MESA_FORMAT_AL88;
+
+   k = _mesa_texstore_unorm88(ctx, dims, baseInternalFormat,
+			      newDstFormat, dstAddr,
+			      dstXoffset, dstYoffset, dstZoffset,
+			      dstRowStride, dstImageOffsets,
+			      srcWidth, srcHeight, srcDepth,
+			      srcFormat, srcType,
+			      srcAddr, srcPacking);
+   return k;
+}
+
+#else
+
+/* these are used only in texstore_funcs[] below */
+#define _mesa_texstore_srgb8 NULL
+#define _mesa_texstore_srgba8 NULL
+#define _mesa_texstore_sargb8 NULL
+#define _mesa_texstore_sl8 NULL
+#define _mesa_texstore_sla8 NULL
+
+#endif /* FEATURE_EXT_texture_sRGB */
+
+
+
+
+/**
+ * Table mapping MESA_FORMAT_* to _mesa_texstore_*()
+ * XXX this is somewhat temporary.
+ */
+static const struct {
+   gl_format Name;
+   StoreTexImageFunc Store;
+}
+texstore_funcs[MESA_FORMAT_COUNT] =
+{
+   { MESA_FORMAT_NONE, NULL },
+   { MESA_FORMAT_RGBA8888, _mesa_texstore_rgba8888 },
+   { MESA_FORMAT_RGBA8888_REV, _mesa_texstore_rgba8888 },
+   { MESA_FORMAT_ARGB8888, _mesa_texstore_argb8888 },
+   { MESA_FORMAT_ARGB8888_REV, _mesa_texstore_argb8888 },
+   { MESA_FORMAT_XRGB8888, _mesa_texstore_argb8888 },
+   { MESA_FORMAT_XRGB8888_REV, _mesa_texstore_argb8888 },
+   { MESA_FORMAT_RGB888, _mesa_texstore_rgb888 },
+   { MESA_FORMAT_BGR888, _mesa_texstore_bgr888 },
+   { MESA_FORMAT_RGB565, _mesa_texstore_rgb565 },
+   { MESA_FORMAT_RGB565_REV, _mesa_texstore_rgb565 },
+   { MESA_FORMAT_ARGB4444, _mesa_texstore_argb4444 },
+   { MESA_FORMAT_ARGB4444_REV, _mesa_texstore_argb4444 },
+   { MESA_FORMAT_RGBA5551, _mesa_texstore_rgba5551 },
+   { MESA_FORMAT_ARGB1555, _mesa_texstore_argb1555 },
+   { MESA_FORMAT_ARGB1555_REV, _mesa_texstore_argb1555 },
+   { MESA_FORMAT_AL44, _mesa_texstore_unorm44 },
+   { MESA_FORMAT_AL88, _mesa_texstore_unorm88 },
+   { MESA_FORMAT_AL88_REV, _mesa_texstore_unorm88 },
+   { MESA_FORMAT_AL1616, _mesa_texstore_unorm1616 },
+   { MESA_FORMAT_AL1616_REV, _mesa_texstore_unorm1616 },
+   { MESA_FORMAT_RGB332, _mesa_texstore_rgb332 },
+   { MESA_FORMAT_A8, _mesa_texstore_a8 },
+   { MESA_FORMAT_A16, _mesa_texstore_unorm16 },
+   { MESA_FORMAT_L8, _mesa_texstore_a8 },
+   { MESA_FORMAT_L16, _mesa_texstore_unorm16 },
+   { MESA_FORMAT_I8, _mesa_texstore_a8 },
+   { MESA_FORMAT_I16, _mesa_texstore_unorm16 },
+   { MESA_FORMAT_CI8, _mesa_texstore_ci8 },
+   { MESA_FORMAT_YCBCR, _mesa_texstore_ycbcr },
+   { MESA_FORMAT_YCBCR_REV, _mesa_texstore_ycbcr },
+   { MESA_FORMAT_R8, _mesa_texstore_a8 },
+   { MESA_FORMAT_RG88, _mesa_texstore_unorm88 },
+   { MESA_FORMAT_RG88_REV, _mesa_texstore_unorm88 },
+   { MESA_FORMAT_R16, _mesa_texstore_unorm16 },
+   { MESA_FORMAT_RG1616, _mesa_texstore_unorm1616 },
+   { MESA_FORMAT_RG1616_REV, _mesa_texstore_unorm1616 },
+   { MESA_FORMAT_ARGB2101010, _mesa_texstore_argb2101010 },
+   { MESA_FORMAT_Z24_S8, _mesa_texstore_z24_s8 },
+   { MESA_FORMAT_S8_Z24, _mesa_texstore_s8_z24 },
+   { MESA_FORMAT_Z16, _mesa_texstore_z16 },
+   { MESA_FORMAT_X8_Z24, _mesa_texstore_x8_z24 },
+   { MESA_FORMAT_Z24_X8, _mesa_texstore_z24_x8 },
+   { MESA_FORMAT_Z32, _mesa_texstore_z32 },
+   { MESA_FORMAT_S8, _mesa_texstore_s8 },
+   { MESA_FORMAT_SRGB8, _mesa_texstore_srgb8 },
+   { MESA_FORMAT_SRGBA8, _mesa_texstore_srgba8 },
+   { MESA_FORMAT_SARGB8, _mesa_texstore_sargb8 },
+   { MESA_FORMAT_SL8, _mesa_texstore_sl8 },
+   { MESA_FORMAT_SLA8, _mesa_texstore_sla8 },
+   { MESA_FORMAT_SRGB_DXT1, _mesa_texstore_rgb_dxt1 },
+   { MESA_FORMAT_SRGBA_DXT1, _mesa_texstore_rgba_dxt1 },
+   { MESA_FORMAT_SRGBA_DXT3, _mesa_texstore_rgba_dxt3 },
+   { MESA_FORMAT_SRGBA_DXT5, _mesa_texstore_rgba_dxt5 },
+   { MESA_FORMAT_RGB_FXT1, _mesa_texstore_rgb_fxt1 },
+   { MESA_FORMAT_RGBA_FXT1, _mesa_texstore_rgba_fxt1 },
+   { MESA_FORMAT_RGB_DXT1, _mesa_texstore_rgb_dxt1 },
+   { MESA_FORMAT_RGBA_DXT1, _mesa_texstore_rgba_dxt1 },
+   { MESA_FORMAT_RGBA_DXT3, _mesa_texstore_rgba_dxt3 },
+   { MESA_FORMAT_RGBA_DXT5, _mesa_texstore_rgba_dxt5 },
+   { MESA_FORMAT_RGBA_FLOAT32, _mesa_texstore_rgba_float32 },
+   { MESA_FORMAT_RGBA_FLOAT16, _mesa_texstore_rgba_float16 },
+   { MESA_FORMAT_RGB_FLOAT32, _mesa_texstore_rgba_float32 },
+   { MESA_FORMAT_RGB_FLOAT16, _mesa_texstore_rgba_float16 },
+   { MESA_FORMAT_ALPHA_FLOAT32, _mesa_texstore_rgba_float32 },
+   { MESA_FORMAT_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 },
+   { MESA_FORMAT_LUMINANCE_FLOAT32, _mesa_texstore_rgba_float32 },
+   { MESA_FORMAT_LUMINANCE_FLOAT16, _mesa_texstore_rgba_float16 },
+   { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32, _mesa_texstore_rgba_float32 },
+   { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 },
+   { MESA_FORMAT_INTENSITY_FLOAT32, _mesa_texstore_rgba_float32 },
+   { MESA_FORMAT_INTENSITY_FLOAT16, _mesa_texstore_rgba_float16 },
+
+   { MESA_FORMAT_RGBA_INT8, _mesa_texstore_rgba_int8 },
+   { MESA_FORMAT_RGBA_INT16, _mesa_texstore_rgba_int16 },
+   { MESA_FORMAT_RGBA_INT32, _mesa_texstore_rgba_int32 },
+   { MESA_FORMAT_RGBA_UINT8, _mesa_texstore_rgba_uint8 },
+   { MESA_FORMAT_RGBA_UINT16, _mesa_texstore_rgba_uint16 },
+   { MESA_FORMAT_RGBA_UINT32, _mesa_texstore_rgba_uint32 },
+
+   { MESA_FORMAT_DUDV8, _mesa_texstore_dudv8 },
+
+   { MESA_FORMAT_SIGNED_R8, _mesa_texstore_signed_r8 },
+   { MESA_FORMAT_SIGNED_RG88, _mesa_texstore_signed_rg88 },
+   { MESA_FORMAT_SIGNED_RGBX8888, _mesa_texstore_signed_rgbx8888 },
+
+   { MESA_FORMAT_SIGNED_RGBA8888, _mesa_texstore_signed_rgba8888 },
+   { MESA_FORMAT_SIGNED_RGBA8888_REV, _mesa_texstore_signed_rgba8888 },
+
+   { MESA_FORMAT_SIGNED_R_16, _mesa_texstore_signed_rgba_16 },
+   { MESA_FORMAT_SIGNED_RG_16, _mesa_texstore_signed_rgba_16 },
+   { MESA_FORMAT_SIGNED_RGB_16, _mesa_texstore_signed_rgba_16 },
+   { MESA_FORMAT_SIGNED_RGBA_16, _mesa_texstore_signed_rgba_16 },
+   { MESA_FORMAT_RGBA_16, _mesa_texstore_rgba_16 },
+
+   { MESA_FORMAT_RED_RGTC1, _mesa_texstore_red_rgtc1 },
+   { MESA_FORMAT_SIGNED_RED_RGTC1, _mesa_texstore_signed_red_rgtc1 },
+   { MESA_FORMAT_RG_RGTC2, _mesa_texstore_rg_rgtc2 },
+   { MESA_FORMAT_SIGNED_RG_RGTC2, _mesa_texstore_signed_rg_rgtc2 }
+};
+
+
+static GLboolean
+_mesa_texstore_null(TEXSTORE_PARAMS)
+{
+   (void) ctx; (void) dims;
+   (void) baseInternalFormat;
+   (void) dstFormat;
+   (void) dstAddr;
+   (void) dstXoffset; (void) dstYoffset; (void) dstZoffset;
+   (void) dstRowStride; (void) dstImageOffsets;
+   (void) srcWidth; (void) srcHeight; (void) srcDepth;
+   (void) srcFormat; (void) srcType;
+   (void) srcAddr;
+   (void) srcPacking;
+
+   /* should never happen */
+   _mesa_problem(NULL, "_mesa_texstore_null() is called");
+   return GL_FALSE;
+}
+
+
+/**
+ * Return the StoreTexImageFunc pointer to store an image in the given format.
+ */
+static StoreTexImageFunc
+_mesa_get_texstore_func(gl_format format)
+{
+#ifdef DEBUG
+   GLuint i;
+   for (i = 0; i < MESA_FORMAT_COUNT; i++) {
+      ASSERT(texstore_funcs[i].Name == i);
+   }
+#endif
+   ASSERT(texstore_funcs[format].Name == format);
+
+   if (texstore_funcs[format].Store)
+      return texstore_funcs[format].Store;
+   else
+      return _mesa_texstore_null;
+}
+
+
+/**
+ * Store user data into texture memory.
+ * Called via glTex[Sub]Image1/2/3D()
+ */
+GLboolean
+_mesa_texstore(TEXSTORE_PARAMS)
+{
+   StoreTexImageFunc storeImage;
+   GLboolean success;
+
+   storeImage = _mesa_get_texstore_func(dstFormat);
+
+   success = storeImage(ctx, dims, baseInternalFormat,
+                        dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+                        dstRowStride, dstImageOffsets,
+                        srcWidth, srcHeight, srcDepth,
+                        srcFormat, srcType, srcAddr, srcPacking);
+   return success;
+}
+
+
+/**
+ * Check if an unpack PBO is active prior to fetching a texture image.
+ * If so, do bounds checking and map the buffer into main memory.
+ * Any errors detected will be recorded.
+ * The caller _must_ call _mesa_unmap_teximage_pbo() too!
+ */
+const GLvoid *
+_mesa_validate_pbo_teximage(struct gl_context *ctx, GLuint dimensions,
+			    GLsizei width, GLsizei height, GLsizei depth,
+			    GLenum format, GLenum type, const GLvoid *pixels,
+			    const struct gl_pixelstore_attrib *unpack,
+			    const char *funcName)
+{
+   GLubyte *buf;
+
+   if (!_mesa_is_bufferobj(unpack->BufferObj)) {
+      /* no PBO */
+      return pixels;
+   }
+   if (!_mesa_validate_pbo_access(dimensions, unpack, width, height, depth,
+                                  format, type, pixels)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(invalid PBO access)");
+      return NULL;
+   }
+
+   buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
+                                          GL_READ_ONLY_ARB, unpack->BufferObj);
+   if (!buf) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(PBO is mapped)");
+      return NULL;
+   }
+
+   return ADD_POINTERS(buf, pixels);
+}
+
+
+/**
+ * Check if an unpack PBO is active prior to fetching a compressed texture
+ * image.
+ * If so, do bounds checking and map the buffer into main memory.
+ * Any errors detected will be recorded.
+ * The caller _must_ call _mesa_unmap_teximage_pbo() too!
+ */
+const GLvoid *
+_mesa_validate_pbo_compressed_teximage(struct gl_context *ctx,
+                                 GLsizei imageSize, const GLvoid *pixels,
+                                 const struct gl_pixelstore_attrib *packing,
+                                 const char *funcName)
+{
+   GLubyte *buf;
+
+   if (!_mesa_is_bufferobj(packing->BufferObj)) {
+      /* not using a PBO - return pointer unchanged */
+      return pixels;
+   }
+   if ((const GLubyte *) pixels + imageSize >
+       ((const GLubyte *) 0) + packing->BufferObj->Size) {
+      /* out of bounds read! */
+      _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(invalid PBO access)");
+      return NULL;
+   }
+
+   buf = (GLubyte*) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
+                                         GL_READ_ONLY_ARB, packing->BufferObj);
+   if (!buf) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(PBO is mapped");
+      return NULL;
+   }
+
+   return ADD_POINTERS(buf, pixels);
+}
+
+
+/**
+ * This function must be called after either of the validate_pbo_*_teximage()
+ * functions.  It unmaps the PBO buffer if it was mapped earlier.
+ */
+void
+_mesa_unmap_teximage_pbo(struct gl_context *ctx,
+                         const struct gl_pixelstore_attrib *unpack)
+{
+   if (_mesa_is_bufferobj(unpack->BufferObj)) {
+      ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
+                              unpack->BufferObj);
+   }
+}
+
+
+/** Return texture size in bytes */
+static GLuint
+texture_size(const struct gl_texture_image *texImage)
+{
+   GLuint sz = _mesa_format_image_size(texImage->TexFormat, texImage->Width,
+                                       texImage->Height, texImage->Depth);
+   return sz;
+}
+
+
+/** Return row stride in bytes */
+static GLuint
+texture_row_stride(const struct gl_texture_image *texImage)
+{
+   GLuint stride = _mesa_format_row_stride(texImage->TexFormat,
+                                           texImage->Width);
+   return stride;
+}
+
+
+
+/**
+ * This is the software fallback for Driver.TexImage1D()
+ * and Driver.CopyTexImage1D().
+ * \sa _mesa_store_teximage2d()
+ */
+void
+_mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
+                       GLint internalFormat,
+                       GLint width, GLint border,
+                       GLenum format, GLenum type, const GLvoid *pixels,
+                       const struct gl_pixelstore_attrib *packing,
+                       struct gl_texture_object *texObj,
+                       struct gl_texture_image *texImage)
+{
+   GLuint sizeInBytes;
+   (void) border;
+
+   /* allocate memory */
+   sizeInBytes = texture_size(texImage);
+   texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
+   if (!texImage->Data) {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
+      return;
+   }
+
+   pixels = _mesa_validate_pbo_teximage(ctx, 1, width, 1, 1, format, type,
+                                        pixels, packing, "glTexImage1D");
+   if (!pixels) {
+      /* Note: we check for a NULL image pointer here, _after_ we allocated
+       * memory for the texture.  That's what the GL spec calls for.
+       */
+      return;
+   }
+   else {
+      const GLint dstRowStride = 0;
+      GLboolean success = _mesa_texstore(ctx, 1, texImage->_BaseFormat,
+                                         texImage->TexFormat,
+                                         texImage->Data,
+                                         0, 0, 0,  /* dstX/Y/Zoffset */
+                                         dstRowStride,
+                                         texImage->ImageOffsets,
+                                         width, 1, 1,
+                                         format, type, pixels, packing);
+      if (!success) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
+      }
+   }
+
+   _mesa_unmap_teximage_pbo(ctx, packing);
+}
+
+
+/**
+ * This is the software fallback for Driver.TexImage2D()
+ * and Driver.CopyTexImage2D().
+ *
+ * This function is oriented toward storing images in main memory, rather
+ * than VRAM.  Device driver's can easily plug in their own replacement.
+ */
+void
+_mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
+                       GLint internalFormat,
+                       GLint width, GLint height, GLint border,
+                       GLenum format, GLenum type, const void *pixels,
+                       const struct gl_pixelstore_attrib *packing,
+                       struct gl_texture_object *texObj,
+                       struct gl_texture_image *texImage)
+{
+   GLuint sizeInBytes;
+   (void) border;
+
+   /* allocate memory */
+   sizeInBytes = texture_size(texImage);
+   texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
+   if (!texImage->Data) {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+      return;
+   }
+
+   pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, format, type,
+                                        pixels, packing, "glTexImage2D");
+   if (!pixels) {
+      /* Note: we check for a NULL image pointer here, _after_ we allocated
+       * memory for the texture.  That's what the GL spec calls for.
+       */
+      return;
+   }
+   else {
+      GLint dstRowStride = texture_row_stride(texImage);
+      GLboolean success = _mesa_texstore(ctx, 2, texImage->_BaseFormat,
+                                         texImage->TexFormat,
+                                         texImage->Data,
+                                         0, 0, 0,  /* dstX/Y/Zoffset */
+                                         dstRowStride,
+                                         texImage->ImageOffsets,
+                                         width, height, 1,
+                                         format, type, pixels, packing);
+      if (!success) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+      }
+   }
+
+   _mesa_unmap_teximage_pbo(ctx, packing);
+}
+
+
+
+/**
+ * This is the software fallback for Driver.TexImage3D()
+ * and Driver.CopyTexImage3D().
+ * \sa _mesa_store_teximage2d()
+ */
+void
+_mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
+                       GLint internalFormat,
+                       GLint width, GLint height, GLint depth, GLint border,
+                       GLenum format, GLenum type, const void *pixels,
+                       const struct gl_pixelstore_attrib *packing,
+                       struct gl_texture_object *texObj,
+                       struct gl_texture_image *texImage)
+{
+   GLuint sizeInBytes;
+   (void) border;
+
+   /* allocate memory */
+   sizeInBytes = texture_size(texImage);
+   texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
+   if (!texImage->Data) {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
+      return;
+   }
+
+   pixels = _mesa_validate_pbo_teximage(ctx, 3, width, height, depth, format,
+                                        type, pixels, packing, "glTexImage3D");
+   if (!pixels) {
+      /* Note: we check for a NULL image pointer here, _after_ we allocated
+       * memory for the texture.  That's what the GL spec calls for.
+       */
+      return;
+   }
+   else {
+      GLint dstRowStride = texture_row_stride(texImage);
+      GLboolean success = _mesa_texstore(ctx, 3, texImage->_BaseFormat,
+                                         texImage->TexFormat,
+                                         texImage->Data,
+                                         0, 0, 0,  /* dstX/Y/Zoffset */
+                                         dstRowStride,
+                                         texImage->ImageOffsets,
+                                         width, height, depth,
+                                         format, type, pixels, packing);
+      if (!success) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
+      }
+   }
+
+   _mesa_unmap_teximage_pbo(ctx, packing);
+}
+
+
+
+
+/*
+ * This is the software fallback for Driver.TexSubImage1D()
+ * and Driver.CopyTexSubImage1D().
+ */
+void
+_mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level,
+                          GLint xoffset, GLint width,
+                          GLenum format, GLenum type, const void *pixels,
+                          const struct gl_pixelstore_attrib *packing,
+                          struct gl_texture_object *texObj,
+                          struct gl_texture_image *texImage)
+{
+   /* get pointer to src pixels (may be in a pbo which we'll map here) */
+   pixels = _mesa_validate_pbo_teximage(ctx, 1, width, 1, 1, format, type,
+                                        pixels, packing, "glTexSubImage1D");
+   if (!pixels)
+      return;
+
+   {
+      const GLint dstRowStride = 0;
+      GLboolean success = _mesa_texstore(ctx, 1, texImage->_BaseFormat,
+                                         texImage->TexFormat,
+                                         texImage->Data,
+                                         xoffset, 0, 0,  /* offsets */
+                                         dstRowStride,
+                                         texImage->ImageOffsets,
+                                         width, 1, 1,
+                                         format, type, pixels, packing);
+      if (!success) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D");
+      }
+   }
+
+   _mesa_unmap_teximage_pbo(ctx, packing);
+}
+
+
+
+/**
+ * This is the software fallback for Driver.TexSubImage2D()
+ * and Driver.CopyTexSubImage2D().
+ */
+void
+_mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level,
+                          GLint xoffset, GLint yoffset,
+                          GLint width, GLint height,
+                          GLenum format, GLenum type, const void *pixels,
+                          const struct gl_pixelstore_attrib *packing,
+                          struct gl_texture_object *texObj,
+                          struct gl_texture_image *texImage)
+{
+   /* get pointer to src pixels (may be in a pbo which we'll map here) */
+   pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, format, type,
+                                        pixels, packing, "glTexSubImage2D");
+   if (!pixels)
+      return;
+
+   {
+      GLint dstRowStride = texture_row_stride(texImage);
+      GLboolean success = _mesa_texstore(ctx, 2, texImage->_BaseFormat,
+                                         texImage->TexFormat,
+                                         texImage->Data,
+                                         xoffset, yoffset, 0,
+                                         dstRowStride,
+                                         texImage->ImageOffsets,
+                                         width, height, 1,
+                                         format, type, pixels, packing);
+      if (!success) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
+      }
+   }
+
+   _mesa_unmap_teximage_pbo(ctx, packing);
+}
+
+
+/*
+ * This is the software fallback for Driver.TexSubImage3D().
+ * and Driver.CopyTexSubImage3D().
+ */
+void
+_mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level,
+                          GLint xoffset, GLint yoffset, GLint zoffset,
+                          GLint width, GLint height, GLint depth,
+                          GLenum format, GLenum type, const void *pixels,
+                          const struct gl_pixelstore_attrib *packing,
+                          struct gl_texture_object *texObj,
+                          struct gl_texture_image *texImage)
+{
+   /* get pointer to src pixels (may be in a pbo which we'll map here) */
+   pixels = _mesa_validate_pbo_teximage(ctx, 3, width, height, depth, format,
+                                        type, pixels, packing,
+                                        "glTexSubImage3D");
+   if (!pixels)
+      return;
+
+   {
+      GLint dstRowStride = texture_row_stride(texImage);
+      GLboolean success = _mesa_texstore(ctx, 3, texImage->_BaseFormat,
+                                         texImage->TexFormat,
+                                         texImage->Data,
+                                         xoffset, yoffset, zoffset,
+                                         dstRowStride,
+                                         texImage->ImageOffsets,
+                                         width, height, depth,
+                                         format, type, pixels, packing);
+      if (!success) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage3D");
+      }
+   }
+
+   _mesa_unmap_teximage_pbo(ctx, packing);
+}
+
+
+/*
+ * Fallback for Driver.CompressedTexImage1D()
+ */
+void
+_mesa_store_compressed_teximage1d(struct gl_context *ctx,
+                                  GLenum target, GLint level,
+                                  GLint internalFormat,
+                                  GLint width, GLint border,
+                                  GLsizei imageSize, const GLvoid *data,
+                                  struct gl_texture_object *texObj,
+                                  struct gl_texture_image *texImage)
+{
+   /* this space intentionally left blank */
+   (void) ctx;
+   (void) target; (void) level;
+   (void) internalFormat;
+   (void) width; (void) border;
+   (void) imageSize; (void) data;
+   (void) texObj;
+   (void) texImage;
+}
+
+
+
+/**
+ * Fallback for Driver.CompressedTexImage2D()
+ */
+void
+_mesa_store_compressed_teximage2d(struct gl_context *ctx,
+                                  GLenum target, GLint level,
+                                  GLint internalFormat,
+                                  GLint width, GLint height, GLint border,
+                                  GLsizei imageSize, const GLvoid *data,
+                                  struct gl_texture_object *texObj,
+                                  struct gl_texture_image *texImage)
+{
+   (void) width; (void) height; (void) border;
+
+   /* This is pretty simple, basically just do a memcpy without worrying
+    * about the usual image unpacking or image transfer operations.
+    */
+   ASSERT(texObj);
+   ASSERT(texImage);
+   ASSERT(texImage->Width > 0);
+   ASSERT(texImage->Height > 0);
+   ASSERT(texImage->Depth == 1);
+   ASSERT(texImage->Data == NULL); /* was freed in glCompressedTexImage2DARB */
+
+   /* allocate storage */
+   texImage->Data = _mesa_alloc_texmemory(imageSize);
+   if (!texImage->Data) {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2DARB");
+      return;
+   }
+
+   data = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, data,
+                                                 &ctx->Unpack,
+                                                 "glCompressedTexImage2D");
+   if (!data)
+      return;
+
+   /* copy the data */
+   memcpy(texImage->Data, data, imageSize);
+
+   _mesa_unmap_teximage_pbo(ctx, &ctx->Unpack);
+}
+
+
+
+/*
+ * Fallback for Driver.CompressedTexImage3D()
+ */
+void
+_mesa_store_compressed_teximage3d(struct gl_context *ctx,
+                                  GLenum target, GLint level,
+                                  GLint internalFormat,
+                                  GLint width, GLint height, GLint depth,
+                                  GLint border,
+                                  GLsizei imageSize, const GLvoid *data,
+                                  struct gl_texture_object *texObj,
+                                  struct gl_texture_image *texImage)
+{
+   /* this space intentionally left blank */
+   (void) ctx;
+   (void) target; (void) level;
+   (void) internalFormat;
+   (void) width; (void) height; (void) depth;
+   (void) border;
+   (void) imageSize; (void) data;
+   (void) texObj;
+   (void) texImage;
+}
+
+
+
+/**
+ * Fallback for Driver.CompressedTexSubImage1D()
+ */
+void
+_mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target,
+                                     GLint level,
+                                     GLint xoffset, GLsizei width,
+                                     GLenum format,
+                                     GLsizei imageSize, const GLvoid *data,
+                                     struct gl_texture_object *texObj,
+                                     struct gl_texture_image *texImage)
+{
+   /* there are no compressed 1D texture formats yet */
+   (void) ctx;
+   (void) target; (void) level;
+   (void) xoffset; (void) width;
+   (void) format;
+   (void) imageSize; (void) data;
+   (void) texObj;
+   (void) texImage;
+}
+
+
+/**
+ * Fallback for Driver.CompressedTexSubImage2D()
+ */
+void
+_mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target,
+                                     GLint level,
+                                     GLint xoffset, GLint yoffset,
+                                     GLsizei width, GLsizei height,
+                                     GLenum format,
+                                     GLsizei imageSize, const GLvoid *data,
+                                     struct gl_texture_object *texObj,
+                                     struct gl_texture_image *texImage)
+{
+   GLint bytesPerRow, destRowStride, srcRowStride;
+   GLint i, rows;
+   GLubyte *dest;
+   const GLubyte *src;
+   const gl_format texFormat = texImage->TexFormat;
+   const GLint destWidth = texImage->Width;
+   GLuint bw, bh;
+
+   _mesa_get_format_block_size(texFormat, &bw, &bh);
+
+   (void) level;
+   (void) format;
+
+   /* these should have been caught sooner */
+   ASSERT((width % bw) == 0 || width == 2 || width == 1);
+   ASSERT((height % bh) == 0 || height == 2 || height == 1);
+   ASSERT((xoffset % bw) == 0);
+   ASSERT((yoffset % bh) == 0);
+
+   /* get pointer to src pixels (may be in a pbo which we'll map here) */
+   data = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, data,
+                                                 &ctx->Unpack,
+                                                 "glCompressedTexSubImage2D");
+   if (!data)
+      return;
+
+   srcRowStride = _mesa_format_row_stride(texFormat, width);
+   src = (const GLubyte *) data;
+
+   destRowStride = _mesa_format_row_stride(texFormat, destWidth);
+   dest = _mesa_compressed_image_address(xoffset, yoffset, 0,
+                                         texFormat, destWidth,
+                                         (GLubyte *) texImage->Data);
+
+   bytesPerRow = srcRowStride;  /* bytes per row of blocks */
+   rows = height / bh;  /* rows in blocks */
+
+   /* copy rows of blocks */
+   for (i = 0; i < rows; i++) {
+      memcpy(dest, src, bytesPerRow);
+      dest += destRowStride;
+      src += srcRowStride;
+   }
+
+   _mesa_unmap_teximage_pbo(ctx, &ctx->Unpack);
+}
+
+
+/**
+ * Fallback for Driver.CompressedTexSubImage3D()
+ */
+void
+_mesa_store_compressed_texsubimage3d(struct gl_context *ctx, GLenum target,
+                                GLint level,
+                                GLint xoffset, GLint yoffset, GLint zoffset,
+                                GLsizei width, GLsizei height, GLsizei depth,
+                                GLenum format,
+                                GLsizei imageSize, const GLvoid *data,
+                                struct gl_texture_object *texObj,
+                                struct gl_texture_image *texImage)
+{
+   /* there are no compressed 3D texture formats yet */
+   (void) ctx;
+   (void) target; (void) level;
+   (void) xoffset; (void) yoffset; (void) zoffset;
+   (void) width; (void) height; (void) depth;
+   (void) format;
+   (void) imageSize; (void) data;
+   (void) texObj;
+   (void) texImage;
+}
diff --git a/mesalib/src/mesa/main/texstore.h b/mesalib/src/mesa/main/texstore.h
index 8640a23a7..2f3c4e821 100644
--- a/mesalib/src/mesa/main/texstore.h
+++ b/mesalib/src/mesa/main/texstore.h
@@ -1,218 +1,227 @@
-/*

- * Mesa 3-D graphics library

- * Version:  6.5.1

- *

- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.

- * Copyright (c) 2008 VMware, Inc.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice shall be included

- * in all copies or substantial portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- */

-

-

-/**

- * \file texstore.h

- * Texture image storage routines.

- *

- * \author Brian Paul

- */

-

-

-#ifndef TEXSTORE_H

-#define TEXSTORE_H

-

-

-#include "mtypes.h"

-#include "formats.h"

-

-

-/**

- * This macro defines the (many) parameters to the texstore functions.

- * \param dims  either 1 or 2 or 3

- * \param baseInternalFormat  user-specified base internal format

- * \param dstFormat  destination Mesa texture format

- * \param dstAddr  destination image address

- * \param dstX/Y/Zoffset  destination x/y/z offset (ala TexSubImage), in texels

- * \param dstRowStride  destination image row stride, in bytes

- * \param dstImageOffsets  offset of each 2D slice within 3D texture, in texels

- * \param srcWidth/Height/Depth  source image size, in pixels

- * \param srcFormat  incoming image format

- * \param srcType  incoming image data type

- * \param srcAddr  source image address

- * \param srcPacking  source image packing parameters

- */

-#define TEXSTORE_PARAMS \

-	struct gl_context *ctx, GLuint dims, \

-	GLenum baseInternalFormat, \

-	gl_format dstFormat, \

-	GLvoid *dstAddr, \

-	GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, \

-	GLint dstRowStride, const GLuint *dstImageOffsets, \

-	GLint srcWidth, GLint srcHeight, GLint srcDepth, \

-	GLenum srcFormat, GLenum srcType, \

-	const GLvoid *srcAddr, \

-	const struct gl_pixelstore_attrib *srcPacking

-

-

-extern GLboolean

-_mesa_texstore(TEXSTORE_PARAMS);

-

-

-extern GLchan *

-_mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,

-                           GLenum logicalBaseFormat,

-                           GLenum textureBaseFormat,

-                           GLint srcWidth, GLint srcHeight, GLint srcDepth,

-                           GLenum srcFormat, GLenum srcType,

-                           const GLvoid *srcAddr,

-                           const struct gl_pixelstore_attrib *srcPacking);

-

-

-extern void

-_mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,

-                       GLint internalFormat,

-                       GLint width, GLint border,

-                       GLenum format, GLenum type, const GLvoid *pixels,

-                       const struct gl_pixelstore_attrib *packing,

-                       struct gl_texture_object *texObj,

-                       struct gl_texture_image *texImage);

-

-

-extern void

-_mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,

-                       GLint internalFormat,

-                       GLint width, GLint height, GLint border,

-                       GLenum format, GLenum type, const GLvoid *pixels,

-                       const struct gl_pixelstore_attrib *packing,

-                       struct gl_texture_object *texObj,

-                       struct gl_texture_image *texImage);

-

-

-extern void

-_mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,

-                       GLint internalFormat,

-                       GLint width, GLint height, GLint depth, GLint border,

-                       GLenum format, GLenum type, const GLvoid *pixels,

-                       const struct gl_pixelstore_attrib *packing,

-                       struct gl_texture_object *texObj,

-                       struct gl_texture_image *texImage);

-

-

-extern void

-_mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level,

-                          GLint xoffset, GLint width,

-                          GLenum format, GLenum type, const GLvoid *pixels,

-                          const struct gl_pixelstore_attrib *packing,

-                          struct gl_texture_object *texObj,

-                          struct gl_texture_image *texImage);

-

-

-extern void

-_mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level,

-                          GLint xoffset, GLint yoffset,

-                          GLint width, GLint height,

-                          GLenum format, GLenum type, const GLvoid *pixels,

-                          const struct gl_pixelstore_attrib *packing,

-                          struct gl_texture_object *texObj,

-                          struct gl_texture_image *texImage);

-

-

-extern void

-_mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level,

-                          GLint xoffset, GLint yoffset, GLint zoffset,

-                          GLint width, GLint height, GLint depth,

-                          GLenum format, GLenum type, const GLvoid *pixels,

-                          const struct gl_pixelstore_attrib *packing,

-                          struct gl_texture_object *texObj,

-                          struct gl_texture_image *texImage);

-

-

-extern void

-_mesa_store_compressed_teximage1d(struct gl_context *ctx, GLenum target, GLint level,

-                                  GLint internalFormat,

-                                  GLint width, GLint border,

-                                  GLsizei imageSize, const GLvoid *data,

-                                  struct gl_texture_object *texObj,

-                                  struct gl_texture_image *texImage);

-

-extern void

-_mesa_store_compressed_teximage2d(struct gl_context *ctx, GLenum target, GLint level,

-                                  GLint internalFormat,

-                                  GLint width, GLint height, GLint border,

-                                  GLsizei imageSize, const GLvoid *data,

-                                  struct gl_texture_object *texObj,

-                                  struct gl_texture_image *texImage);

-

-extern void

-_mesa_store_compressed_teximage3d(struct gl_context *ctx, GLenum target, GLint level,

-                                  GLint internalFormat,

-                                  GLint width, GLint height, GLint depth,

-                                  GLint border,

-                                  GLsizei imageSize, const GLvoid *data,

-                                  struct gl_texture_object *texObj,

-                                  struct gl_texture_image *texImage);

-

-

-extern void

-_mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target,

-                                     GLint level,

-                                     GLint xoffset, GLsizei width,

-                                     GLenum format,

-                                     GLsizei imageSize, const GLvoid *data,

-                                     struct gl_texture_object *texObj,

-                                     struct gl_texture_image *texImage);

-

-extern void

-_mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target,

-                                     GLint level,

-                                     GLint xoffset, GLint yoffset,

-                                     GLsizei width, GLsizei height,

-                                     GLenum format,

-                                     GLsizei imageSize, const GLvoid *data,

-                                     struct gl_texture_object *texObj,

-                                     struct gl_texture_image *texImage);

-

-extern void

-_mesa_store_compressed_texsubimage3d(struct gl_context *ctx, GLenum target,

-                                GLint level,

-                                GLint xoffset, GLint yoffset, GLint zoffset,

-                                GLsizei width, GLsizei height, GLsizei depth,

-                                GLenum format,

-                                GLsizei imageSize, const GLvoid *data,

-                                struct gl_texture_object *texObj,

-                                struct gl_texture_image *texImage);

-

-

-extern const GLvoid *

-_mesa_validate_pbo_teximage(struct gl_context *ctx, GLuint dimensions,

-			    GLsizei width, GLsizei height, GLsizei depth,

-			    GLenum format, GLenum type, const GLvoid *pixels,

-			    const struct gl_pixelstore_attrib *unpack,

-			    const char *funcName);

-

-extern const GLvoid *

-_mesa_validate_pbo_compressed_teximage(struct gl_context *ctx,

-                                    GLsizei imageSize, const GLvoid *pixels,

-                                    const struct gl_pixelstore_attrib *packing,

-                                    const char *funcName);

-

-extern void

-_mesa_unmap_teximage_pbo(struct gl_context *ctx,

-                         const struct gl_pixelstore_attrib *unpack);

-

-

-#endif

+/*
+ * Mesa 3-D graphics library
+ * Version:  6.5.1
+ *
+ * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (c) 2008 VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file texstore.h
+ * Texture image storage routines.
+ *
+ * \author Brian Paul
+ */
+
+
+#ifndef TEXSTORE_H
+#define TEXSTORE_H
+
+
+#include "mtypes.h"
+#include "formats.h"
+
+
+/**
+ * This macro defines the (many) parameters to the texstore functions.
+ * \param dims  either 1 or 2 or 3
+ * \param baseInternalFormat  user-specified base internal format
+ * \param dstFormat  destination Mesa texture format
+ * \param dstAddr  destination image address
+ * \param dstX/Y/Zoffset  destination x/y/z offset (ala TexSubImage), in texels
+ * \param dstRowStride  destination image row stride, in bytes
+ * \param dstImageOffsets  offset of each 2D slice within 3D texture, in texels
+ * \param srcWidth/Height/Depth  source image size, in pixels
+ * \param srcFormat  incoming image format
+ * \param srcType  incoming image data type
+ * \param srcAddr  source image address
+ * \param srcPacking  source image packing parameters
+ */
+#define TEXSTORE_PARAMS \
+	struct gl_context *ctx, GLuint dims, \
+	GLenum baseInternalFormat, \
+	gl_format dstFormat, \
+	GLvoid *dstAddr, \
+	GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, \
+	GLint dstRowStride, const GLuint *dstImageOffsets, \
+	GLint srcWidth, GLint srcHeight, GLint srcDepth, \
+	GLenum srcFormat, GLenum srcType, \
+	const GLvoid *srcAddr, \
+	const struct gl_pixelstore_attrib *srcPacking
+
+
+extern GLboolean
+_mesa_texstore(TEXSTORE_PARAMS);
+
+
+extern GLchan *
+_mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
+                           GLenum logicalBaseFormat,
+                           GLenum textureBaseFormat,
+                           GLint srcWidth, GLint srcHeight, GLint srcDepth,
+                           GLenum srcFormat, GLenum srcType,
+                           const GLvoid *srcAddr,
+                           const struct gl_pixelstore_attrib *srcPacking);
+
+GLfloat *
+_mesa_make_temp_float_image(struct gl_context *ctx, GLuint dims,
+			    GLenum logicalBaseFormat,
+			    GLenum textureBaseFormat,
+			    GLint srcWidth, GLint srcHeight, GLint srcDepth,
+			    GLenum srcFormat, GLenum srcType,
+			    const GLvoid *srcAddr,
+			    const struct gl_pixelstore_attrib *srcPacking,
+			    GLbitfield transferOps);
+
+extern void
+_mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
+                       GLint internalFormat,
+                       GLint width, GLint border,
+                       GLenum format, GLenum type, const GLvoid *pixels,
+                       const struct gl_pixelstore_attrib *packing,
+                       struct gl_texture_object *texObj,
+                       struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
+                       GLint internalFormat,
+                       GLint width, GLint height, GLint border,
+                       GLenum format, GLenum type, const GLvoid *pixels,
+                       const struct gl_pixelstore_attrib *packing,
+                       struct gl_texture_object *texObj,
+                       struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
+                       GLint internalFormat,
+                       GLint width, GLint height, GLint depth, GLint border,
+                       GLenum format, GLenum type, const GLvoid *pixels,
+                       const struct gl_pixelstore_attrib *packing,
+                       struct gl_texture_object *texObj,
+                       struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level,
+                          GLint xoffset, GLint width,
+                          GLenum format, GLenum type, const GLvoid *pixels,
+                          const struct gl_pixelstore_attrib *packing,
+                          struct gl_texture_object *texObj,
+                          struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level,
+                          GLint xoffset, GLint yoffset,
+                          GLint width, GLint height,
+                          GLenum format, GLenum type, const GLvoid *pixels,
+                          const struct gl_pixelstore_attrib *packing,
+                          struct gl_texture_object *texObj,
+                          struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level,
+                          GLint xoffset, GLint yoffset, GLint zoffset,
+                          GLint width, GLint height, GLint depth,
+                          GLenum format, GLenum type, const GLvoid *pixels,
+                          const struct gl_pixelstore_attrib *packing,
+                          struct gl_texture_object *texObj,
+                          struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_compressed_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
+                                  GLint internalFormat,
+                                  GLint width, GLint border,
+                                  GLsizei imageSize, const GLvoid *data,
+                                  struct gl_texture_object *texObj,
+                                  struct gl_texture_image *texImage);
+
+extern void
+_mesa_store_compressed_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
+                                  GLint internalFormat,
+                                  GLint width, GLint height, GLint border,
+                                  GLsizei imageSize, const GLvoid *data,
+                                  struct gl_texture_object *texObj,
+                                  struct gl_texture_image *texImage);
+
+extern void
+_mesa_store_compressed_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
+                                  GLint internalFormat,
+                                  GLint width, GLint height, GLint depth,
+                                  GLint border,
+                                  GLsizei imageSize, const GLvoid *data,
+                                  struct gl_texture_object *texObj,
+                                  struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target,
+                                     GLint level,
+                                     GLint xoffset, GLsizei width,
+                                     GLenum format,
+                                     GLsizei imageSize, const GLvoid *data,
+                                     struct gl_texture_object *texObj,
+                                     struct gl_texture_image *texImage);
+
+extern void
+_mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target,
+                                     GLint level,
+                                     GLint xoffset, GLint yoffset,
+                                     GLsizei width, GLsizei height,
+                                     GLenum format,
+                                     GLsizei imageSize, const GLvoid *data,
+                                     struct gl_texture_object *texObj,
+                                     struct gl_texture_image *texImage);
+
+extern void
+_mesa_store_compressed_texsubimage3d(struct gl_context *ctx, GLenum target,
+                                GLint level,
+                                GLint xoffset, GLint yoffset, GLint zoffset,
+                                GLsizei width, GLsizei height, GLsizei depth,
+                                GLenum format,
+                                GLsizei imageSize, const GLvoid *data,
+                                struct gl_texture_object *texObj,
+                                struct gl_texture_image *texImage);
+
+
+extern const GLvoid *
+_mesa_validate_pbo_teximage(struct gl_context *ctx, GLuint dimensions,
+			    GLsizei width, GLsizei height, GLsizei depth,
+			    GLenum format, GLenum type, const GLvoid *pixels,
+			    const struct gl_pixelstore_attrib *unpack,
+			    const char *funcName);
+
+extern const GLvoid *
+_mesa_validate_pbo_compressed_teximage(struct gl_context *ctx,
+                                    GLsizei imageSize, const GLvoid *pixels,
+                                    const struct gl_pixelstore_attrib *packing,
+                                    const char *funcName);
+
+extern void
+_mesa_unmap_teximage_pbo(struct gl_context *ctx,
+                         const struct gl_pixelstore_attrib *unpack);
+
+
+#endif
diff --git a/mesalib/src/mesa/sources.mak b/mesalib/src/mesa/sources.mak
index b10881c55..bdf4126cf 100644
--- a/mesalib/src/mesa/sources.mak
+++ b/mesalib/src/mesa/sources.mak
@@ -1,368 +1,369 @@
-### Lists of source files, included by Makefiles

-

-# this is part of MAIN_SOURCES

-MAIN_ES_SOURCES = \

-	main/api_exec_es1.c \

-	main/api_exec_es2.c

-

-MAIN_SOURCES = \

-	main/api_arrayelt.c \

-	main/api_exec.c \

-	main/api_loopback.c \

-	main/api_noop.c \

-	main/api_validate.c \

-	main/accum.c \

-	main/arbprogram.c \

-	main/atifragshader.c \

-	main/attrib.c \

-	main/arrayobj.c \

-	main/blend.c \

-	main/bufferobj.c \

-	main/buffers.c \

-	main/clear.c \

-	main/clip.c \

-	main/colortab.c \

-	main/condrender.c \

-	main/context.c \

-	main/convolve.c \

-	main/cpuinfo.c \

-	main/debug.c \

-	main/depth.c \

-	main/depthstencil.c \

-	main/dlist.c \

-	main/dlopen.c \

-	main/drawpix.c \

-	main/drawtex.c \

-	main/enable.c \

-	main/enums.c \

-	main/eval.c \

-	main/execmem.c \

-	main/extensions.c \

-	main/fbobject.c \

-	main/feedback.c \

-	main/ffvertex_prog.c \

-	main/fog.c \

-	main/formats.c \

-	main/framebuffer.c \

-	main/get.c \

-	main/getstring.c \

-	main/hash.c \

-	main/hint.c \

-	main/histogram.c \

-	main/image.c \

-	main/imports.c \

-	main/light.c \

-	main/lines.c \

-	main/matrix.c \

-	main/mipmap.c \

-	main/mm.c \

-	main/multisample.c \

-	main/nvprogram.c \

-	main/pack.c \

-	main/pixel.c \

-	main/pixelstore.c \

-	main/pixeltransfer.c \

-	main/points.c \

-	main/polygon.c \

-	main/queryobj.c \

-	main/querymatrix.c \

-	main/rastpos.c \

-	main/readpix.c \

-	main/remap.c \

-	main/renderbuffer.c \

-	main/scissor.c \

-	main/shaderapi.c \

-	main/shaderobj.c \

-	main/shared.c \

-	main/state.c \

-	main/stencil.c \

-	main/syncobj.c \

-	main/texcompress.c \

-	main/texcompress_s3tc.c \

-	main/texcompress_fxt1.c \

-	main/texenv.c \

-	main/texenvprogram.c \

-	main/texfetch.c \

-	main/texformat.c \

-	main/texgen.c \

-	main/texgetimage.c \

-	main/teximage.c \

-	main/texobj.c \

-	main/texpal.c \

-	main/texparam.c \

-	main/texrender.c \

-	main/texstate.c \

-	main/texstore.c \

-	main/transformfeedback.c \

-	main/uniforms.c \

-	main/varray.c \

-	main/version.c \

-	main/viewport.c \

-	main/vtxfmt.c \

-	$(MAIN_ES_SOURCES)

-

-MATH_SOURCES = \

-	math/m_debug_clip.c \

-	math/m_debug_norm.c \

-	math/m_debug_xform.c \

-	math/m_eval.c \

-	math/m_matrix.c \

-	math/m_translate.c \

-	math/m_vector.c

-

-MATH_XFORM_SOURCES = \

-	math/m_xform.c

-

-SWRAST_SOURCES = \

-	swrast/s_aaline.c \

-	swrast/s_aatriangle.c \

-	swrast/s_accum.c \

-	swrast/s_alpha.c \

-	swrast/s_atifragshader.c \

-	swrast/s_bitmap.c \

-	swrast/s_blend.c \

-	swrast/s_blit.c \

-	swrast/s_clear.c \

-	swrast/s_copypix.c \

-	swrast/s_context.c \

-	swrast/s_depth.c \

-	swrast/s_drawpix.c \

-	swrast/s_feedback.c \

-	swrast/s_fog.c \

-	swrast/s_fragprog.c \

-	swrast/s_lines.c \

-	swrast/s_logic.c \

-	swrast/s_masking.c \

-	swrast/s_points.c \

-	swrast/s_readpix.c \

-	swrast/s_span.c \

-	swrast/s_stencil.c \

-	swrast/s_texcombine.c \

-	swrast/s_texfilter.c \

-	swrast/s_triangle.c \

-	swrast/s_zoom.c

-

-SWRAST_SETUP_SOURCES = \

-	swrast_setup/ss_context.c \

-	swrast_setup/ss_triangle.c 

-

-TNL_SOURCES = \

-	tnl/t_context.c \

-	tnl/t_pipeline.c \

-	tnl/t_draw.c \

-	tnl/t_rasterpos.c \

-	tnl/t_vb_program.c \

-	tnl/t_vb_render.c \

-	tnl/t_vb_texgen.c \

-	tnl/t_vb_texmat.c \

-	tnl/t_vb_vertex.c \

-	tnl/t_vb_fog.c \

-	tnl/t_vb_light.c \

-	tnl/t_vb_normals.c \

-	tnl/t_vb_points.c \

-	tnl/t_vp_build.c \

-	tnl/t_vertex.c \

-	tnl/t_vertex_sse.c \

-	tnl/t_vertex_generic.c 

-

-VBO_SOURCES = \

-	vbo/vbo_context.c \

-	vbo/vbo_exec.c \

-	vbo/vbo_exec_api.c \

-	vbo/vbo_exec_array.c \

-	vbo/vbo_exec_draw.c \

-	vbo/vbo_exec_eval.c \

-	vbo/vbo_rebase.c \

-	vbo/vbo_split.c \

-	vbo/vbo_split_copy.c \

-	vbo/vbo_split_inplace.c \

-	vbo/vbo_save.c \

-	vbo/vbo_save_api.c \

-	vbo/vbo_save_draw.c \

-	vbo/vbo_save_loopback.c 

-

-STATETRACKER_SOURCES = \

-	state_tracker/st_atom.c \

-	state_tracker/st_atom_blend.c \

-	state_tracker/st_atom_clip.c \

-	state_tracker/st_atom_constbuf.c \

-	state_tracker/st_atom_depth.c \

-	state_tracker/st_atom_framebuffer.c \

-	state_tracker/st_atom_msaa.c \

-	state_tracker/st_atom_pixeltransfer.c \

-	state_tracker/st_atom_sampler.c \

-	state_tracker/st_atom_scissor.c \

-	state_tracker/st_atom_shader.c \

-	state_tracker/st_atom_rasterizer.c \

-	state_tracker/st_atom_stipple.c \

-	state_tracker/st_atom_texture.c \

-	state_tracker/st_atom_viewport.c \

-	state_tracker/st_cb_accum.c \

-	state_tracker/st_cb_bitmap.c \

-	state_tracker/st_cb_blit.c \

-	state_tracker/st_cb_bufferobjects.c \

-	state_tracker/st_cb_clear.c \

-	state_tracker/st_cb_condrender.c \

-	state_tracker/st_cb_flush.c \

-	state_tracker/st_cb_drawpixels.c \

-	state_tracker/st_cb_drawtex.c \

-	state_tracker/st_cb_eglimage.c \

-	state_tracker/st_cb_fbo.c \

-	state_tracker/st_cb_feedback.c \

-	state_tracker/st_cb_program.c \

-	state_tracker/st_cb_queryobj.c \

-	state_tracker/st_cb_rasterpos.c \

-	state_tracker/st_cb_readpixels.c \

-	state_tracker/st_cb_strings.c \

-	state_tracker/st_cb_texture.c \

-	state_tracker/st_cb_viewport.c \

-	state_tracker/st_cb_xformfb.c \

-	state_tracker/st_context.c \

-	state_tracker/st_debug.c \

-	state_tracker/st_draw.c \

-	state_tracker/st_draw_feedback.c \

-	state_tracker/st_extensions.c \

-	state_tracker/st_format.c \

-	state_tracker/st_gen_mipmap.c \

-	state_tracker/st_manager.c \

-	state_tracker/st_mesa_to_tgsi.c \

-	state_tracker/st_program.c \

-	state_tracker/st_texture.c

-

-PROGRAM_SOURCES = \

-	program/arbprogparse.c \

-	program/hash_table.c \

-	program/lex.yy.c \

-	program/nvfragparse.c \

-	program/nvvertparse.c \

-	program/program.c \

-	program/program_parse.tab.c \

-	program/program_parse_extra.c \

-	program/prog_cache.c \

-	program/prog_execute.c \

-	program/prog_instruction.c \

-	program/prog_noise.c \

-	program/prog_optimize.c \

-	program/prog_parameter.c \

-	program/prog_parameter_layout.c \

-	program/prog_print.c \

-	program/prog_statevars.c \

-	program/prog_uniform.c \

-	program/programopt.c \

-	program/register_allocate.c \

-	program/symbol_table.c

-

-SHADER_CXX_SOURCES = \

-	program/ir_to_mesa.cpp \

-	program/sampler.cpp

-

-ASM_C_SOURCES =	\

-	x86/common_x86.c \

-	x86/x86_xform.c \

-	x86/3dnow.c \

-	x86/sse.c \

-	x86/rtasm/x86sse.c \

-	sparc/sparc.c \

-	ppc/common_ppc.c \

-	x86-64/x86-64.c

-

-X86_SOURCES =			\

-	x86/common_x86_asm.S	\

-	x86/x86_xform2.S	\

-	x86/x86_xform3.S	\

-	x86/x86_xform4.S	\

-	x86/x86_cliptest.S	\

-	x86/mmx_blend.S		\

-	x86/3dnow_xform1.S	\

-	x86/3dnow_xform2.S	\

-	x86/3dnow_xform3.S	\

-	x86/3dnow_xform4.S	\

-	x86/3dnow_normal.S	\

-	x86/sse_xform1.S	\

-	x86/sse_xform2.S	\

-	x86/sse_xform3.S	\

-	x86/sse_xform4.S	\

-	x86/sse_normal.S	\

-	x86/read_rgba_span_x86.S

-

-X86-64_SOURCES =		\

-	x86-64/xform4.S

-

-SPARC_SOURCES =			\

-	sparc/clip.S		\

-	sparc/norm.S		\

-	sparc/xform.S

-

-COMMON_DRIVER_SOURCES =			\

-	drivers/common/driverfuncs.c	\

-	drivers/common/meta.c

-

-

-# Sources for building non-Gallium drivers

-MESA_SOURCES = \

-	$(MAIN_SOURCES)		\

-	$(MATH_SOURCES)		\

-	$(MATH_XFORM_SOURCES)	\

-	$(VBO_SOURCES)		\

-	$(TNL_SOURCES)		\

-	$(PROGRAM_SOURCES)	\

-	$(SWRAST_SOURCES)	\

-	$(SWRAST_SETUP_SOURCES)	\

-	$(COMMON_DRIVER_SOURCES)\

-	$(ASM_C_SOURCES)

-

-MESA_CXX_SOURCES = \

-	 $(SHADER_CXX_SOURCES)

-

-# Sources for building Gallium drivers

-MESA_GALLIUM_SOURCES = \

-	$(MAIN_SOURCES)		\

-	$(MATH_SOURCES)		\

-	$(VBO_SOURCES)		\

-	$(STATETRACKER_SOURCES)	\

-	$(PROGRAM_SOURCES)	\

-	ppc/common_ppc.c	\

-	x86/common_x86.c

-

-MESA_GALLIUM_CXX_SOURCES = \

-	 $(SHADER_CXX_SOURCES)

-

-# All the core C sources, for dependency checking

-ALL_SOURCES = \

-	$(MESA_SOURCES)		\

-	$(MESA_CXX_SOURCES)	\

-	$(MESA_ASM_SOURCES)	\

-	$(STATETRACKER_SOURCES)

-

-

-### Object files

-

-MESA_OBJECTS = \

-	$(MESA_SOURCES:.c=.o) \

-	$(MESA_CXX_SOURCES:.cpp=.o) \

-	$(MESA_ASM_SOURCES:.S=.o)

-

-MESA_GALLIUM_OBJECTS = \

-	$(MESA_GALLIUM_SOURCES:.c=.o) \

-	$(MESA_GALLIUM_CXX_SOURCES:.cpp=.o) \

-	$(MESA_ASM_SOURCES:.S=.o)

-

-

-COMMON_DRIVER_OBJECTS = $(COMMON_DRIVER_SOURCES:.c=.o)

-

-

-### Other archives/libraries

-

-GLSL_LIBS = \

-	$(TOP)/src/glsl/libglsl.a

-

-

-### Include directories

-

-INCLUDE_DIRS = \

-	-I$(TOP)/include \

-	-I$(TOP)/src/glsl \

-	-I$(TOP)/src/mesa \

-	-I$(TOP)/src/mapi \

-	-I$(TOP)/src/gallium/include \

-	-I$(TOP)/src/gallium/auxiliary

+### Lists of source files, included by Makefiles
+
+# this is part of MAIN_SOURCES
+MAIN_ES_SOURCES = \
+	main/api_exec_es1.c \
+	main/api_exec_es2.c
+
+MAIN_SOURCES = \
+	main/api_arrayelt.c \
+	main/api_exec.c \
+	main/api_loopback.c \
+	main/api_noop.c \
+	main/api_validate.c \
+	main/accum.c \
+	main/arbprogram.c \
+	main/atifragshader.c \
+	main/attrib.c \
+	main/arrayobj.c \
+	main/blend.c \
+	main/bufferobj.c \
+	main/buffers.c \
+	main/clear.c \
+	main/clip.c \
+	main/colortab.c \
+	main/condrender.c \
+	main/context.c \
+	main/convolve.c \
+	main/cpuinfo.c \
+	main/debug.c \
+	main/depth.c \
+	main/depthstencil.c \
+	main/dlist.c \
+	main/dlopen.c \
+	main/drawpix.c \
+	main/drawtex.c \
+	main/enable.c \
+	main/enums.c \
+	main/eval.c \
+	main/execmem.c \
+	main/extensions.c \
+	main/fbobject.c \
+	main/feedback.c \
+	main/ffvertex_prog.c \
+	main/fog.c \
+	main/formats.c \
+	main/framebuffer.c \
+	main/get.c \
+	main/getstring.c \
+	main/hash.c \
+	main/hint.c \
+	main/histogram.c \
+	main/image.c \
+	main/imports.c \
+	main/light.c \
+	main/lines.c \
+	main/matrix.c \
+	main/mipmap.c \
+	main/mm.c \
+	main/multisample.c \
+	main/nvprogram.c \
+	main/pack.c \
+	main/pixel.c \
+	main/pixelstore.c \
+	main/pixeltransfer.c \
+	main/points.c \
+	main/polygon.c \
+	main/queryobj.c \
+	main/querymatrix.c \
+	main/rastpos.c \
+	main/readpix.c \
+	main/remap.c \
+	main/renderbuffer.c \
+	main/scissor.c \
+	main/shaderapi.c \
+	main/shaderobj.c \
+	main/shared.c \
+	main/state.c \
+	main/stencil.c \
+	main/syncobj.c \
+	main/texcompress.c \
+	main/texcompress_rgtc.c \
+	main/texcompress_s3tc.c \
+	main/texcompress_fxt1.c \
+	main/texenv.c \
+	main/texenvprogram.c \
+	main/texfetch.c \
+	main/texformat.c \
+	main/texgen.c \
+	main/texgetimage.c \
+	main/teximage.c \
+	main/texobj.c \
+	main/texpal.c \
+	main/texparam.c \
+	main/texrender.c \
+	main/texstate.c \
+	main/texstore.c \
+	main/transformfeedback.c \
+	main/uniforms.c \
+	main/varray.c \
+	main/version.c \
+	main/viewport.c \
+	main/vtxfmt.c \
+	$(MAIN_ES_SOURCES)
+
+MATH_SOURCES = \
+	math/m_debug_clip.c \
+	math/m_debug_norm.c \
+	math/m_debug_xform.c \
+	math/m_eval.c \
+	math/m_matrix.c \
+	math/m_translate.c \
+	math/m_vector.c
+
+MATH_XFORM_SOURCES = \
+	math/m_xform.c
+
+SWRAST_SOURCES = \
+	swrast/s_aaline.c \
+	swrast/s_aatriangle.c \
+	swrast/s_accum.c \
+	swrast/s_alpha.c \
+	swrast/s_atifragshader.c \
+	swrast/s_bitmap.c \
+	swrast/s_blend.c \
+	swrast/s_blit.c \
+	swrast/s_clear.c \
+	swrast/s_copypix.c \
+	swrast/s_context.c \
+	swrast/s_depth.c \
+	swrast/s_drawpix.c \
+	swrast/s_feedback.c \
+	swrast/s_fog.c \
+	swrast/s_fragprog.c \
+	swrast/s_lines.c \
+	swrast/s_logic.c \
+	swrast/s_masking.c \
+	swrast/s_points.c \
+	swrast/s_readpix.c \
+	swrast/s_span.c \
+	swrast/s_stencil.c \
+	swrast/s_texcombine.c \
+	swrast/s_texfilter.c \
+	swrast/s_triangle.c \
+	swrast/s_zoom.c
+
+SWRAST_SETUP_SOURCES = \
+	swrast_setup/ss_context.c \
+	swrast_setup/ss_triangle.c 
+
+TNL_SOURCES = \
+	tnl/t_context.c \
+	tnl/t_pipeline.c \
+	tnl/t_draw.c \
+	tnl/t_rasterpos.c \
+	tnl/t_vb_program.c \
+	tnl/t_vb_render.c \
+	tnl/t_vb_texgen.c \
+	tnl/t_vb_texmat.c \
+	tnl/t_vb_vertex.c \
+	tnl/t_vb_fog.c \
+	tnl/t_vb_light.c \
+	tnl/t_vb_normals.c \
+	tnl/t_vb_points.c \
+	tnl/t_vp_build.c \
+	tnl/t_vertex.c \
+	tnl/t_vertex_sse.c \
+	tnl/t_vertex_generic.c 
+
+VBO_SOURCES = \
+	vbo/vbo_context.c \
+	vbo/vbo_exec.c \
+	vbo/vbo_exec_api.c \
+	vbo/vbo_exec_array.c \
+	vbo/vbo_exec_draw.c \
+	vbo/vbo_exec_eval.c \
+	vbo/vbo_rebase.c \
+	vbo/vbo_split.c \
+	vbo/vbo_split_copy.c \
+	vbo/vbo_split_inplace.c \
+	vbo/vbo_save.c \
+	vbo/vbo_save_api.c \
+	vbo/vbo_save_draw.c \
+	vbo/vbo_save_loopback.c 
+
+STATETRACKER_SOURCES = \
+	state_tracker/st_atom.c \
+	state_tracker/st_atom_blend.c \
+	state_tracker/st_atom_clip.c \
+	state_tracker/st_atom_constbuf.c \
+	state_tracker/st_atom_depth.c \
+	state_tracker/st_atom_framebuffer.c \
+	state_tracker/st_atom_msaa.c \
+	state_tracker/st_atom_pixeltransfer.c \
+	state_tracker/st_atom_sampler.c \
+	state_tracker/st_atom_scissor.c \
+	state_tracker/st_atom_shader.c \
+	state_tracker/st_atom_rasterizer.c \
+	state_tracker/st_atom_stipple.c \
+	state_tracker/st_atom_texture.c \
+	state_tracker/st_atom_viewport.c \
+	state_tracker/st_cb_accum.c \
+	state_tracker/st_cb_bitmap.c \
+	state_tracker/st_cb_blit.c \
+	state_tracker/st_cb_bufferobjects.c \
+	state_tracker/st_cb_clear.c \
+	state_tracker/st_cb_condrender.c \
+	state_tracker/st_cb_flush.c \
+	state_tracker/st_cb_drawpixels.c \
+	state_tracker/st_cb_drawtex.c \
+	state_tracker/st_cb_eglimage.c \
+	state_tracker/st_cb_fbo.c \
+	state_tracker/st_cb_feedback.c \
+	state_tracker/st_cb_program.c \
+	state_tracker/st_cb_queryobj.c \
+	state_tracker/st_cb_rasterpos.c \
+	state_tracker/st_cb_readpixels.c \
+	state_tracker/st_cb_strings.c \
+	state_tracker/st_cb_texture.c \
+	state_tracker/st_cb_viewport.c \
+	state_tracker/st_cb_xformfb.c \
+	state_tracker/st_context.c \
+	state_tracker/st_debug.c \
+	state_tracker/st_draw.c \
+	state_tracker/st_draw_feedback.c \
+	state_tracker/st_extensions.c \
+	state_tracker/st_format.c \
+	state_tracker/st_gen_mipmap.c \
+	state_tracker/st_manager.c \
+	state_tracker/st_mesa_to_tgsi.c \
+	state_tracker/st_program.c \
+	state_tracker/st_texture.c
+
+PROGRAM_SOURCES = \
+	program/arbprogparse.c \
+	program/hash_table.c \
+	program/lex.yy.c \
+	program/nvfragparse.c \
+	program/nvvertparse.c \
+	program/program.c \
+	program/program_parse.tab.c \
+	program/program_parse_extra.c \
+	program/prog_cache.c \
+	program/prog_execute.c \
+	program/prog_instruction.c \
+	program/prog_noise.c \
+	program/prog_optimize.c \
+	program/prog_parameter.c \
+	program/prog_parameter_layout.c \
+	program/prog_print.c \
+	program/prog_statevars.c \
+	program/prog_uniform.c \
+	program/programopt.c \
+	program/register_allocate.c \
+	program/symbol_table.c
+
+SHADER_CXX_SOURCES = \
+	program/ir_to_mesa.cpp \
+	program/sampler.cpp
+
+ASM_C_SOURCES =	\
+	x86/common_x86.c \
+	x86/x86_xform.c \
+	x86/3dnow.c \
+	x86/sse.c \
+	x86/rtasm/x86sse.c \
+	sparc/sparc.c \
+	ppc/common_ppc.c \
+	x86-64/x86-64.c
+
+X86_SOURCES =			\
+	x86/common_x86_asm.S	\
+	x86/x86_xform2.S	\
+	x86/x86_xform3.S	\
+	x86/x86_xform4.S	\
+	x86/x86_cliptest.S	\
+	x86/mmx_blend.S		\
+	x86/3dnow_xform1.S	\
+	x86/3dnow_xform2.S	\
+	x86/3dnow_xform3.S	\
+	x86/3dnow_xform4.S	\
+	x86/3dnow_normal.S	\
+	x86/sse_xform1.S	\
+	x86/sse_xform2.S	\
+	x86/sse_xform3.S	\
+	x86/sse_xform4.S	\
+	x86/sse_normal.S	\
+	x86/read_rgba_span_x86.S
+
+X86-64_SOURCES =		\
+	x86-64/xform4.S
+
+SPARC_SOURCES =			\
+	sparc/clip.S		\
+	sparc/norm.S		\
+	sparc/xform.S
+
+COMMON_DRIVER_SOURCES =			\
+	drivers/common/driverfuncs.c	\
+	drivers/common/meta.c
+
+
+# Sources for building non-Gallium drivers
+MESA_SOURCES = \
+	$(MAIN_SOURCES)		\
+	$(MATH_SOURCES)		\
+	$(MATH_XFORM_SOURCES)	\
+	$(VBO_SOURCES)		\
+	$(TNL_SOURCES)		\
+	$(PROGRAM_SOURCES)	\
+	$(SWRAST_SOURCES)	\
+	$(SWRAST_SETUP_SOURCES)	\
+	$(COMMON_DRIVER_SOURCES)\
+	$(ASM_C_SOURCES)
+
+MESA_CXX_SOURCES = \
+	 $(SHADER_CXX_SOURCES)
+
+# Sources for building Gallium drivers
+MESA_GALLIUM_SOURCES = \
+	$(MAIN_SOURCES)		\
+	$(MATH_SOURCES)		\
+	$(VBO_SOURCES)		\
+	$(STATETRACKER_SOURCES)	\
+	$(PROGRAM_SOURCES)	\
+	ppc/common_ppc.c	\
+	x86/common_x86.c
+
+MESA_GALLIUM_CXX_SOURCES = \
+	 $(SHADER_CXX_SOURCES)
+
+# All the core C sources, for dependency checking
+ALL_SOURCES = \
+	$(MESA_SOURCES)		\
+	$(MESA_CXX_SOURCES)	\
+	$(MESA_ASM_SOURCES)	\
+	$(STATETRACKER_SOURCES)
+
+
+### Object files
+
+MESA_OBJECTS = \
+	$(MESA_SOURCES:.c=.o) \
+	$(MESA_CXX_SOURCES:.cpp=.o) \
+	$(MESA_ASM_SOURCES:.S=.o)
+
+MESA_GALLIUM_OBJECTS = \
+	$(MESA_GALLIUM_SOURCES:.c=.o) \
+	$(MESA_GALLIUM_CXX_SOURCES:.cpp=.o) \
+	$(MESA_ASM_SOURCES:.S=.o)
+
+
+COMMON_DRIVER_OBJECTS = $(COMMON_DRIVER_SOURCES:.c=.o)
+
+
+### Other archives/libraries
+
+GLSL_LIBS = \
+	$(TOP)/src/glsl/libglsl.a
+
+
+### Include directories
+
+INCLUDE_DIRS = \
+	-I$(TOP)/include \
+	-I$(TOP)/src/glsl \
+	-I$(TOP)/src/mesa \
+	-I$(TOP)/src/mapi \
+	-I$(TOP)/src/gallium/include \
+	-I$(TOP)/src/gallium/auxiliary
diff --git a/mesalib/src/mesa/state_tracker/st_draw.c b/mesalib/src/mesa/state_tracker/st_draw.c
index 6530a06ad..c99eafbad 100644
--- a/mesalib/src/mesa/state_tracker/st_draw.c
+++ b/mesalib/src/mesa/state_tracker/st_draw.c
@@ -579,6 +579,7 @@ st_validate_varrays(struct gl_context *ctx,
    if (is_interleaved_arrays(vp, vpv, arrays)) {
       setup_interleaved_attribs(ctx, vp, vpv, arrays, vbuffer, velements,
                                 max_index);
+
       num_vbuffers = 1;
       num_velements = vpv->num_inputs;
       if (num_velements == 0)
@@ -645,6 +646,7 @@ st_draw_vbo(struct gl_context *ctx,
       for (i = 0; i < nr_prims; i++) {
          min_index = MIN2(min_index, prims[i].start);
          max_index = MAX2(max_index, prims[i].start + prims[i].count - 1);
+         max_index = MAX2(max_index, prims[i].num_instances);
       }
    }
 
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index b1ede1c8b..d2098987d 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -1,482 +1,498 @@
-/**************************************************************************

- * 

- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.

- * Copyright (c) 2008 VMware, Inc.

- * All Rights Reserved.

- * 

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the

- * "Software"), to deal in the Software without restriction, including

- * without limitation the rights to use, copy, modify, merge, publish,

- * distribute, sub license, and/or sell copies of the Software, and to

- * permit persons to whom the Software is furnished to do so, subject to

- * the following conditions:

- * 

- * The above copyright notice and this permission notice (including the

- * next paragraph) shall be included in all copies or substantial portions

- * of the Software.

- * 

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.

- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR

- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- * 

- **************************************************************************/

-

-#include "main/imports.h"

-#include "main/context.h"

-#include "main/macros.h"

-#include "main/mfeatures.h"

-

-#include "pipe/p_context.h"

-#include "pipe/p_defines.h"

-#include "pipe/p_screen.h"

-

-#include "st_context.h"

-#include "st_extensions.h"

-

-

-static int _min(int a, int b)

-{

-   return (a < b) ? a : b;

-}

-

-static float _maxf(float a, float b)

-{

-   return (a > b) ? a : b;

-}

-

-static int _clamp(int a, int min, int max)

-{

-   if (a < min)

-      return min;

-   else if (a > max)

-      return max;

-   else

-      return a;

-}

-

-

-/**

- * Query driver to get implementation limits.

- * Note that we have to limit/clamp against Mesa's internal limits too.

- */

-void st_init_limits(struct st_context *st)

-{

-   struct pipe_screen *screen = st->pipe->screen;

-   struct gl_constants *c = &st->ctx->Const;

-   gl_shader_type sh;

-

-   c->MaxTextureLevels

-      = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS),

-            MAX_TEXTURE_LEVELS);

-

-   c->Max3DTextureLevels

-      = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_3D_LEVELS),

-            MAX_3D_TEXTURE_LEVELS);

-

-   c->MaxCubeTextureLevels

-      = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS),

-            MAX_CUBE_TEXTURE_LEVELS);

-

-   c->MaxTextureRectSize

-      = _min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE);

-

-   c->MaxTextureImageUnits

-      = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS),

-            MAX_TEXTURE_IMAGE_UNITS);

-

-   c->MaxVertexTextureImageUnits

-      = _min(screen->get_param(screen, PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS),

-             MAX_VERTEX_TEXTURE_IMAGE_UNITS);

-

-   c->MaxCombinedTextureImageUnits

-      = _min(screen->get_param(screen, PIPE_CAP_MAX_COMBINED_SAMPLERS),

-             MAX_COMBINED_TEXTURE_IMAGE_UNITS);

-

-   c->MaxTextureCoordUnits

-      = _min(c->MaxTextureImageUnits, MAX_TEXTURE_COORD_UNITS);

-

-   c->MaxTextureUnits = _min(c->MaxTextureImageUnits, c->MaxTextureCoordUnits);

-

-   c->MaxDrawBuffers

-      = _clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),

-              1, MAX_DRAW_BUFFERS);

-

-   c->MaxLineWidth

-      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH));

-   c->MaxLineWidthAA

-      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH_AA));

-

-   c->MaxPointSize

-      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH));

-   c->MaxPointSizeAA

-      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH_AA));

-   /* called after _mesa_create_context/_mesa_init_point, fix default user

-    * settable max point size up

-    */

-   st->ctx->Point.MaxSize = MAX2(c->MaxPointSize, c->MaxPointSizeAA);

-   /* these are not queryable. Note that GL basically mandates a 1.0 minimum

-    * for non-aa sizes, but we can go down to 0.0 for aa points.

-    */

-   c->MinPointSize = 1.0f;

-   c->MinPointSizeAA = 0.0f;

-

-   c->MaxTextureMaxAnisotropy

-      = _maxf(2.0f, screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_ANISOTROPY));

-

-   c->MaxTextureLodBias

-      = screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_LOD_BIAS);

-

-   c->MaxDrawBuffers

-      = CLAMP(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),

-              1, MAX_DRAW_BUFFERS);

-

-   /* Quads always follow GL provoking rules. */

-   c->QuadsFollowProvokingVertexConvention = GL_FALSE;

-

-   for (sh = 0; sh < MESA_SHADER_TYPES; ++sh) {

-      struct gl_shader_compiler_options *options =

-         &st->ctx->ShaderCompilerOptions[sh];

-      struct gl_program_constants *pc;

-

-      switch (sh) {

-      case PIPE_SHADER_FRAGMENT:

-         pc = &c->FragmentProgram;

-         break;

-      case PIPE_SHADER_VERTEX:

-         pc = &c->VertexProgram;

-         break;

-      case PIPE_SHADER_GEOMETRY:

-         pc = &c->GeometryProgram;

-         break;

-      default:

-         assert(0);

-         continue;

-      }

-

-      pc->MaxNativeInstructions    = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS);

-      pc->MaxNativeAluInstructions = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS);

-      pc->MaxNativeTexInstructions = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS);

-      pc->MaxNativeTexIndirections = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS);

-      pc->MaxNativeAttribs         = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INPUTS);

-      pc->MaxNativeTemps           = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEMPS);

-      pc->MaxNativeAddressRegs     = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ADDRS);

-      pc->MaxNativeParameters      = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONSTS);

-      pc->MaxUniformComponents     = 4 * MIN2(pc->MaxNativeParameters, MAX_UNIFORMS);

-

-      options->EmitNoNoise = TRUE;

-

-      /* TODO: make these more fine-grained if anyone needs it */

-      options->EmitNoIfs = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);

-      options->EmitNoLoops = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);

-      options->EmitNoFunctions = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES);

-      options->EmitNoMainReturn = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES);

-

-      options->EmitNoCont = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED);

-

-      options->EmitNoIndirectInput = !screen->get_shader_param(screen, sh,

-                                        PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR);

-      options->EmitNoIndirectOutput = !screen->get_shader_param(screen, sh,

-                                        PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR);

-      options->EmitNoIndirectTemp = !screen->get_shader_param(screen, sh,

-                                        PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR);

-      options->EmitNoIndirectUniform = !screen->get_shader_param(screen, sh,

-                                        PIPE_SHADER_CAP_INDIRECT_CONST_ADDR);

-

-      if(options->EmitNoLoops)

-         options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536);

-   }

-

-   /* PIPE_CAP_MAX_FS_INPUTS specifies the number of COLORn + GENERICn inputs

-    * and is set in MaxNativeAttribs. It's always 2 colors + N generic

-    * attributes. The GLSL compiler never uses COLORn for varyings, so we

-    * subtract the 2 colors to get the maximum number of varyings (generic

-    * attributes) supported by a driver. */

-   c->MaxVarying = screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, PIPE_SHADER_CAP_MAX_INPUTS) - 2;

-   c->MaxVarying = MIN2(c->MaxVarying, MAX_VARYING);

-

-   /* XXX we'll need a better query here someday */

-   if (screen->get_param(screen, PIPE_CAP_GLSL)) {

-      c->GLSLVersion = 120;

-   }

-}

-

-

-/**

- * Use pipe_screen::get_param() to query PIPE_CAP_ values to determine

- * which GL extensions are supported.

- * Quite a few extensions are always supported because they are standard

- * features or can be built on top of other gallium features.

- * Some fine tuning may still be needed.

- */

-void st_init_extensions(struct st_context *st)

-{

-   struct pipe_screen *screen = st->pipe->screen;

-   struct gl_context *ctx = st->ctx;

-

-   /*

-    * Extensions that are supported by all Gallium drivers:

-    */

-   ctx->Extensions.ARB_copy_buffer = GL_TRUE;

-   ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;

-   ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;

-   ctx->Extensions.ARB_fragment_program = GL_TRUE;

-   ctx->Extensions.ARB_half_float_pixel = GL_TRUE;

-   ctx->Extensions.ARB_map_buffer_range = GL_TRUE;

-   ctx->Extensions.ARB_multisample = GL_TRUE;

-   ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; /* XXX temp */

-   ctx->Extensions.ARB_texture_compression = GL_TRUE;

-   ctx->Extensions.ARB_texture_cube_map = GL_TRUE;

-   ctx->Extensions.ARB_texture_env_combine = GL_TRUE;

-   ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;

-   ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;

-   ctx->Extensions.ARB_vertex_array_object = GL_TRUE;

-   ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;

-   ctx->Extensions.ARB_vertex_program = GL_TRUE;

-   ctx->Extensions.ARB_window_pos = GL_TRUE;

-

-   ctx->Extensions.EXT_blend_color = GL_TRUE;

-   ctx->Extensions.EXT_blend_func_separate = GL_TRUE;

-   ctx->Extensions.EXT_blend_logic_op = GL_TRUE;

-   ctx->Extensions.EXT_blend_minmax = GL_TRUE;

-   ctx->Extensions.EXT_blend_subtract = GL_TRUE;

-   ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;

-   ctx->Extensions.EXT_framebuffer_object = GL_TRUE;

-   ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;

-   ctx->Extensions.EXT_fog_coord = GL_TRUE;

-   ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;

-   ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;

-   ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;

-   ctx->Extensions.EXT_point_parameters = GL_TRUE;

-   ctx->Extensions.EXT_provoking_vertex = GL_TRUE;

-   ctx->Extensions.EXT_secondary_color = GL_TRUE;

-   ctx->Extensions.EXT_stencil_wrap = GL_TRUE;

-   ctx->Extensions.EXT_texture_env_add = GL_TRUE;

-   ctx->Extensions.EXT_texture_env_combine = GL_TRUE;

-   ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;

-   ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;

-   ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;

-   if (ctx->API == API_OPENGLES || ctx->API == API_OPENGLES2)

-	   ctx->Extensions.EXT_texture_format_BGRA8888 = GL_TRUE;

-

-   ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;

-

-   ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE;

-

-   ctx->Extensions.MESA_pack_invert = GL_TRUE;

-

-   ctx->Extensions.NV_blend_square = GL_TRUE;

-   ctx->Extensions.NV_texgen_reflection = GL_TRUE;

-   ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;

-   ctx->Extensions.NV_texture_rectangle = GL_TRUE;

-#if 0

-   /* possibly could support the following two */

-   ctx->Extensions.NV_vertex_program = GL_TRUE;

-   ctx->Extensions.NV_vertex_program1_1 = GL_TRUE;

-#endif

-

-#if FEATURE_OES_EGL_image

-   ctx->Extensions.OES_EGL_image = GL_TRUE;

-#endif

-#if FEATURE_OES_draw_texture

-   ctx->Extensions.OES_draw_texture = GL_TRUE;

-#endif

-

-   ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;

-

-   /*

-    * Extensions that depend on the driver/hardware:

-    */

-   if (screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS) > 0) {

-      ctx->Extensions.ARB_draw_buffers = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_TEXTURE_SWIZZLE) > 0) {

-      ctx->Extensions.EXT_texture_swizzle = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_GLSL)) {

-      ctx->Extensions.ARB_fragment_shader = GL_TRUE;

-      ctx->Extensions.ARB_vertex_shader = GL_TRUE;

-      ctx->Extensions.ARB_shader_objects = GL_TRUE;

-      ctx->Extensions.ARB_shading_language_100 = GL_TRUE;

-      ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;

-      ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_TEXTURE_MIRROR_REPEAT) > 0) {

-      ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_BLEND_EQUATION_SEPARATE)) {

-      ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_TEXTURE_MIRROR_CLAMP) > 0) {

-      ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE;

-      ctx->Extensions.ATI_texture_mirror_once = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) {

-      ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS) > 1) {

-      ctx->Extensions.ARB_multitexture = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_TWO_SIDED_STENCIL)) {

-      ctx->Extensions.ATI_separate_stencil = GL_TRUE;

-      ctx->Extensions.EXT_stencil_two_side = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_ANISOTROPIC_FILTER)) {

-      ctx->Extensions.EXT_texture_filter_anisotropic = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_POINT_SPRITE)) {

-      ctx->Extensions.ARB_point_sprite = GL_TRUE;

-      /* GL_NV_point_sprite is not supported by gallium because we don't

-       * support the GL_POINT_SPRITE_R_MODE_NV option.

-       */

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_OCCLUSION_QUERY)) {

-      ctx->Extensions.ARB_occlusion_query = GL_TRUE;

-      ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;

-   }

-   if (screen->get_param(screen, PIPE_CAP_TIMER_QUERY)) {

-     ctx->Extensions.EXT_timer_query = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_TEXTURE_SHADOW_MAP)) {

-      ctx->Extensions.ARB_depth_texture = GL_TRUE;

-      ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;

-      ctx->Extensions.ARB_shadow = GL_TRUE;

-      ctx->Extensions.EXT_shadow_funcs = GL_TRUE;

-      /*ctx->Extensions.ARB_shadow_ambient = GL_TRUE;*/

-   }

-

-   /* GL_EXT_packed_depth_stencil requires both the ability to render to

-    * a depth/stencil buffer and texture from depth/stencil source.

-    */

-   if (screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM,

-                                   PIPE_TEXTURE_2D, 0,

-                                   PIPE_BIND_DEPTH_STENCIL, 0) &&

-       screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM,

-                                   PIPE_TEXTURE_2D, 0,

-                                   PIPE_BIND_SAMPLER_VIEW, 0)) {

-      ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;

-   }

-   else if (screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED,

-                                        PIPE_TEXTURE_2D, 0,

-                                        PIPE_BIND_DEPTH_STENCIL, 0) &&

-            screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED,

-                                        PIPE_TEXTURE_2D, 0,

-                                        PIPE_BIND_SAMPLER_VIEW, 0)) {

-      ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;

-   }

-

-   /* sRGB support */

-   if (screen->is_format_supported(screen, PIPE_FORMAT_A8B8G8R8_SRGB,

-                                   PIPE_TEXTURE_2D, 0,

-                                   PIPE_BIND_SAMPLER_VIEW, 0) ||

-      screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_SRGB,

-                                   PIPE_TEXTURE_2D, 0,

-                                   PIPE_BIND_SAMPLER_VIEW, 0)) {

-      ctx->Extensions.EXT_texture_sRGB = GL_TRUE;

-      ctx->Extensions.EXT_texture_sRGB_decode = GL_TRUE;

-      if (screen->is_format_supported(screen, PIPE_FORMAT_A8B8G8R8_SRGB,

-                                   PIPE_TEXTURE_2D, 0,

-                                   PIPE_BIND_RENDER_TARGET, 0) ||

-          screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_SRGB,

-                                   PIPE_TEXTURE_2D, 0,

-                                   PIPE_BIND_RENDER_TARGET, 0)) {

-         ctx->Extensions.EXT_framebuffer_sRGB = GL_TRUE;

-         ctx->Const.sRGBCapable = GL_TRUE;

-      }

-   }

-

-   if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM,

-                                   PIPE_TEXTURE_2D, 0,

-                                   PIPE_BIND_SAMPLER_VIEW, 0)) {

-      ctx->Extensions.ARB_texture_rg = GL_TRUE;

-   }

-

-   /* s3tc support */

-   if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA,

-                                   PIPE_TEXTURE_2D, 0,

-                                   PIPE_BIND_SAMPLER_VIEW, 0) &&

-       ctx->Mesa_DXTn) {

-      ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE;

-      ctx->Extensions.S3_s3tc = GL_TRUE;

-   }

-

-   /* ycbcr support */

-   if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY, 

-                                   PIPE_TEXTURE_2D, 0,

-                                   PIPE_BIND_SAMPLER_VIEW, 0) ||

-       screen->is_format_supported(screen, PIPE_FORMAT_YUYV, 

-                                   PIPE_TEXTURE_2D, 0,

-                                   PIPE_BIND_SAMPLER_VIEW, 0)) {

-      ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;

-   }

-

-   /* GL_EXT_texture_array */

-   if (screen->get_param(screen, PIPE_CAP_ARRAY_TEXTURES)) {

-      ctx->Extensions.EXT_texture_array = GL_TRUE;

-      ctx->Extensions.MESA_texture_array = GL_TRUE;

-   }

-

-   /* GL_ARB_framebuffer_object */

-   if (ctx->Extensions.EXT_packed_depth_stencil) {

-      /* we support always support GL_EXT_framebuffer_blit */

-      ctx->Extensions.ARB_framebuffer_object = GL_TRUE;

-   }

-

-   if (st->pipe->render_condition) {

-      ctx->Extensions.NV_conditional_render = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_INDEP_BLEND_ENABLE)) {

-      ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_INDEP_BLEND_FUNC)) {

-      ctx->Extensions.ARB_draw_buffers_blend = GL_TRUE;

-   }

-

-   /* GL_ARB_half_float_vertex */

-   if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_FLOAT,

-                                   PIPE_BUFFER, 0,

-                                   PIPE_BIND_VERTEX_BUFFER, 0)) {

-      ctx->Extensions.ARB_half_float_vertex = GL_TRUE;

-   }

-

-   if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY, PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {

-#if 0 /* XXX re-enable when GLSL compiler again supports geometry shaders */

-      ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;

-#endif

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_PRIMITIVE_RESTART)) {

-      ctx->Extensions.NV_primitive_restart = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_DEPTH_CLAMP)) {

-      ctx->Extensions.ARB_depth_clamp = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_SHADER_STENCIL_EXPORT)) {

-      ctx->Extensions.ARB_shader_stencil_export = GL_TRUE;

-   }

-

-   if (screen->get_param(screen, PIPE_CAP_INSTANCED_DRAWING)) {

-      ctx->Extensions.ARB_draw_instanced = GL_TRUE;

-      ctx->Extensions.ARB_instanced_arrays = GL_TRUE;

-   }

-}

+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright (c) 2008 VMware, Inc.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+#include "main/imports.h"
+#include "main/context.h"
+#include "main/macros.h"
+#include "main/mfeatures.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_screen.h"
+
+#include "st_context.h"
+#include "st_extensions.h"
+
+
+static int _min(int a, int b)
+{
+   return (a < b) ? a : b;
+}
+
+static float _maxf(float a, float b)
+{
+   return (a > b) ? a : b;
+}
+
+static int _clamp(int a, int min, int max)
+{
+   if (a < min)
+      return min;
+   else if (a > max)
+      return max;
+   else
+      return a;
+}
+
+
+/**
+ * Query driver to get implementation limits.
+ * Note that we have to limit/clamp against Mesa's internal limits too.
+ */
+void st_init_limits(struct st_context *st)
+{
+   struct pipe_screen *screen = st->pipe->screen;
+   struct gl_constants *c = &st->ctx->Const;
+   gl_shader_type sh;
+
+   c->MaxTextureLevels
+      = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS),
+            MAX_TEXTURE_LEVELS);
+
+   c->Max3DTextureLevels
+      = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_3D_LEVELS),
+            MAX_3D_TEXTURE_LEVELS);
+
+   c->MaxCubeTextureLevels
+      = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS),
+            MAX_CUBE_TEXTURE_LEVELS);
+
+   c->MaxTextureRectSize
+      = _min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE);
+
+   c->MaxTextureImageUnits
+      = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS),
+            MAX_TEXTURE_IMAGE_UNITS);
+
+   c->MaxVertexTextureImageUnits
+      = _min(screen->get_param(screen, PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS),
+             MAX_VERTEX_TEXTURE_IMAGE_UNITS);
+
+   c->MaxCombinedTextureImageUnits
+      = _min(screen->get_param(screen, PIPE_CAP_MAX_COMBINED_SAMPLERS),
+             MAX_COMBINED_TEXTURE_IMAGE_UNITS);
+
+   c->MaxTextureCoordUnits
+      = _min(c->MaxTextureImageUnits, MAX_TEXTURE_COORD_UNITS);
+
+   c->MaxTextureUnits = _min(c->MaxTextureImageUnits, c->MaxTextureCoordUnits);
+
+   c->MaxDrawBuffers
+      = _clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
+              1, MAX_DRAW_BUFFERS);
+
+   c->MaxLineWidth
+      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH));
+   c->MaxLineWidthAA
+      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH_AA));
+
+   c->MaxPointSize
+      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH));
+   c->MaxPointSizeAA
+      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH_AA));
+   /* called after _mesa_create_context/_mesa_init_point, fix default user
+    * settable max point size up
+    */
+   st->ctx->Point.MaxSize = MAX2(c->MaxPointSize, c->MaxPointSizeAA);
+   /* these are not queryable. Note that GL basically mandates a 1.0 minimum
+    * for non-aa sizes, but we can go down to 0.0 for aa points.
+    */
+   c->MinPointSize = 1.0f;
+   c->MinPointSizeAA = 0.0f;
+
+   c->MaxTextureMaxAnisotropy
+      = _maxf(2.0f, screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_ANISOTROPY));
+
+   c->MaxTextureLodBias
+      = screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_LOD_BIAS);
+
+   c->MaxDrawBuffers
+      = CLAMP(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
+              1, MAX_DRAW_BUFFERS);
+
+   /* Quads always follow GL provoking rules. */
+   c->QuadsFollowProvokingVertexConvention = GL_FALSE;
+
+   for (sh = 0; sh < MESA_SHADER_TYPES; ++sh) {
+      struct gl_shader_compiler_options *options =
+         &st->ctx->ShaderCompilerOptions[sh];
+      struct gl_program_constants *pc;
+
+      switch (sh) {
+      case PIPE_SHADER_FRAGMENT:
+         pc = &c->FragmentProgram;
+         break;
+      case PIPE_SHADER_VERTEX:
+         pc = &c->VertexProgram;
+         break;
+      case PIPE_SHADER_GEOMETRY:
+         pc = &c->GeometryProgram;
+         break;
+      default:
+         assert(0);
+         continue;
+      }
+
+      pc->MaxNativeInstructions    = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS);
+      pc->MaxNativeAluInstructions = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS);
+      pc->MaxNativeTexInstructions = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS);
+      pc->MaxNativeTexIndirections = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS);
+      pc->MaxNativeAttribs         = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INPUTS);
+      pc->MaxNativeTemps           = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEMPS);
+      pc->MaxNativeAddressRegs     = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ADDRS);
+      pc->MaxNativeParameters      = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONSTS);
+      pc->MaxUniformComponents     = 4 * MIN2(pc->MaxNativeParameters, MAX_UNIFORMS);
+
+      options->EmitNoNoise = TRUE;
+
+      /* TODO: make these more fine-grained if anyone needs it */
+      options->EmitNoIfs = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
+      options->EmitNoLoops = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
+      options->EmitNoFunctions = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES);
+      options->EmitNoMainReturn = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES);
+
+      options->EmitNoCont = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED);
+
+      options->EmitNoIndirectInput = !screen->get_shader_param(screen, sh,
+                                        PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR);
+      options->EmitNoIndirectOutput = !screen->get_shader_param(screen, sh,
+                                        PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR);
+      options->EmitNoIndirectTemp = !screen->get_shader_param(screen, sh,
+                                        PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR);
+      options->EmitNoIndirectUniform = !screen->get_shader_param(screen, sh,
+                                        PIPE_SHADER_CAP_INDIRECT_CONST_ADDR);
+
+      if(options->EmitNoLoops)
+         options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536);
+   }
+
+   /* PIPE_CAP_MAX_FS_INPUTS specifies the number of COLORn + GENERICn inputs
+    * and is set in MaxNativeAttribs. It's always 2 colors + N generic
+    * attributes. The GLSL compiler never uses COLORn for varyings, so we
+    * subtract the 2 colors to get the maximum number of varyings (generic
+    * attributes) supported by a driver. */
+   c->MaxVarying = screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, PIPE_SHADER_CAP_MAX_INPUTS) - 2;
+   c->MaxVarying = MIN2(c->MaxVarying, MAX_VARYING);
+
+   /* XXX we'll need a better query here someday */
+   if (screen->get_param(screen, PIPE_CAP_GLSL)) {
+      c->GLSLVersion = 120;
+   }
+}
+
+
+/**
+ * Use pipe_screen::get_param() to query PIPE_CAP_ values to determine
+ * which GL extensions are supported.
+ * Quite a few extensions are always supported because they are standard
+ * features or can be built on top of other gallium features.
+ * Some fine tuning may still be needed.
+ */
+void st_init_extensions(struct st_context *st)
+{
+   struct pipe_screen *screen = st->pipe->screen;
+   struct gl_context *ctx = st->ctx;
+
+   /*
+    * Extensions that are supported by all Gallium drivers:
+    */
+   ctx->Extensions.ARB_copy_buffer = GL_TRUE;
+   ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
+   ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
+   ctx->Extensions.ARB_fragment_program = GL_TRUE;
+   ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
+   ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
+   ctx->Extensions.ARB_multisample = GL_TRUE;
+   ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; /* XXX temp */
+   ctx->Extensions.ARB_texture_compression = GL_TRUE;
+   ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
+   ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
+   ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
+   ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
+   ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
+   ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;
+   ctx->Extensions.ARB_vertex_program = GL_TRUE;
+   ctx->Extensions.ARB_window_pos = GL_TRUE;
+
+   ctx->Extensions.EXT_blend_color = GL_TRUE;
+   ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
+   ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
+   ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+   ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+   ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
+   ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
+   ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
+   ctx->Extensions.EXT_fog_coord = GL_TRUE;
+   ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
+   ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;
+   ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+   ctx->Extensions.EXT_point_parameters = GL_TRUE;
+   ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
+   ctx->Extensions.EXT_secondary_color = GL_TRUE;
+   ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
+   ctx->Extensions.EXT_texture_env_add = GL_TRUE;
+   ctx->Extensions.EXT_texture_env_combine = GL_TRUE;
+   ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
+   ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
+   ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
+   if (ctx->API == API_OPENGLES || ctx->API == API_OPENGLES2)
+	   ctx->Extensions.EXT_texture_format_BGRA8888 = GL_TRUE;
+
+   ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
+
+   ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE;
+
+   ctx->Extensions.MESA_pack_invert = GL_TRUE;
+
+   ctx->Extensions.NV_blend_square = GL_TRUE;
+   ctx->Extensions.NV_texgen_reflection = GL_TRUE;
+   ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
+   ctx->Extensions.NV_texture_rectangle = GL_TRUE;
+#if 0
+   /* possibly could support the following two */
+   ctx->Extensions.NV_vertex_program = GL_TRUE;
+   ctx->Extensions.NV_vertex_program1_1 = GL_TRUE;
+#endif
+
+#if FEATURE_OES_EGL_image
+   ctx->Extensions.OES_EGL_image = GL_TRUE;
+#endif
+#if FEATURE_OES_draw_texture
+   ctx->Extensions.OES_draw_texture = GL_TRUE;
+#endif
+
+   ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;
+
+   /*
+    * Extensions that depend on the driver/hardware:
+    */
+   if (screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS) > 0) {
+      ctx->Extensions.ARB_draw_buffers = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_TEXTURE_SWIZZLE) > 0) {
+      ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_GLSL)) {
+      ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+      ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+      ctx->Extensions.ARB_shader_objects = GL_TRUE;
+      ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+      ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
+      ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_TEXTURE_MIRROR_REPEAT) > 0) {
+      ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_BLEND_EQUATION_SEPARATE)) {
+      ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_TEXTURE_MIRROR_CLAMP) > 0) {
+      ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE;
+      ctx->Extensions.ATI_texture_mirror_once = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) {
+      ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS) > 1) {
+      ctx->Extensions.ARB_multitexture = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_TWO_SIDED_STENCIL)) {
+      ctx->Extensions.ATI_separate_stencil = GL_TRUE;
+      ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_ANISOTROPIC_FILTER)) {
+      ctx->Extensions.EXT_texture_filter_anisotropic = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_POINT_SPRITE)) {
+      ctx->Extensions.ARB_point_sprite = GL_TRUE;
+      /* GL_NV_point_sprite is not supported by gallium because we don't
+       * support the GL_POINT_SPRITE_R_MODE_NV option.
+       */
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_OCCLUSION_QUERY)) {
+      ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+      ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;
+   }
+   if (screen->get_param(screen, PIPE_CAP_TIMER_QUERY)) {
+     ctx->Extensions.EXT_timer_query = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_TEXTURE_SHADOW_MAP)) {
+      ctx->Extensions.ARB_depth_texture = GL_TRUE;
+      ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;
+      ctx->Extensions.ARB_shadow = GL_TRUE;
+      ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
+      /*ctx->Extensions.ARB_shadow_ambient = GL_TRUE;*/
+   }
+
+   /* GL_EXT_packed_depth_stencil requires both the ability to render to
+    * a depth/stencil buffer and texture from depth/stencil source.
+    */
+   if (screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_DEPTH_STENCIL, 0) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW, 0)) {
+      ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
+   }
+   else if (screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
+                                        PIPE_TEXTURE_2D, 0,
+                                        PIPE_BIND_DEPTH_STENCIL, 0) &&
+            screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
+                                        PIPE_TEXTURE_2D, 0,
+                                        PIPE_BIND_SAMPLER_VIEW, 0)) {
+      ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
+   }
+
+   /* sRGB support */
+   if (screen->is_format_supported(screen, PIPE_FORMAT_A8B8G8R8_SRGB,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW, 0) ||
+      screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_SRGB,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW, 0)) {
+      ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+      ctx->Extensions.EXT_texture_sRGB_decode = GL_TRUE;
+      if (screen->is_format_supported(screen, PIPE_FORMAT_A8B8G8R8_SRGB,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_RENDER_TARGET, 0) ||
+          screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_SRGB,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_RENDER_TARGET, 0)) {
+         ctx->Extensions.EXT_framebuffer_sRGB = GL_TRUE;
+         ctx->Const.sRGBCapable = GL_TRUE;
+      }
+   }
+
+   if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW, 0)) {
+      ctx->Extensions.ARB_texture_rg = GL_TRUE;
+   }
+
+   /* s3tc support */
+   if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW, 0) &&
+       ctx->Mesa_DXTn) {
+      ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE;
+      ctx->Extensions.S3_s3tc = GL_TRUE;
+   }
+
+   if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_UNORM,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW, 0) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_SNORM,
+				   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW, 0) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_UNORM,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW, 0) &&
+       screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_SNORM,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW, 0)
+       ) {
+     ctx->Extensions.ARB_texture_compression_rgtc = GL_TRUE;
+   }
+
+   /* ycbcr support */
+   if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY, 
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW, 0) ||
+       screen->is_format_supported(screen, PIPE_FORMAT_YUYV, 
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW, 0)) {
+      ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;
+   }
+
+   /* GL_EXT_texture_array */
+   if (screen->get_param(screen, PIPE_CAP_ARRAY_TEXTURES)) {
+      ctx->Extensions.EXT_texture_array = GL_TRUE;
+      ctx->Extensions.MESA_texture_array = GL_TRUE;
+   }
+
+   /* GL_ARB_framebuffer_object */
+   if (ctx->Extensions.EXT_packed_depth_stencil) {
+      /* we support always support GL_EXT_framebuffer_blit */
+      ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
+   }
+
+   if (st->pipe->render_condition) {
+      ctx->Extensions.NV_conditional_render = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_INDEP_BLEND_ENABLE)) {
+      ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_INDEP_BLEND_FUNC)) {
+      ctx->Extensions.ARB_draw_buffers_blend = GL_TRUE;
+   }
+
+   /* GL_ARB_half_float_vertex */
+   if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_FLOAT,
+                                   PIPE_BUFFER, 0,
+                                   PIPE_BIND_VERTEX_BUFFER, 0)) {
+      ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
+   }
+
+   if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY, PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
+#if 0 /* XXX re-enable when GLSL compiler again supports geometry shaders */
+      ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
+#endif
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_PRIMITIVE_RESTART)) {
+      ctx->Extensions.NV_primitive_restart = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_DEPTH_CLAMP)) {
+      ctx->Extensions.ARB_depth_clamp = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_SHADER_STENCIL_EXPORT)) {
+      ctx->Extensions.ARB_shader_stencil_export = GL_TRUE;
+   }
+
+   if (screen->get_param(screen, PIPE_CAP_INSTANCED_DRAWING)) {
+      ctx->Extensions.ARB_draw_instanced = GL_TRUE;
+      ctx->Extensions.ARB_instanced_arrays = GL_TRUE;
+   }
+}
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index 577ee6189..c58ec9267 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -241,6 +241,14 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
    case MESA_FORMAT_RGBA_UINT32:
       return PIPE_FORMAT_R32G32B32A32_USCALED;
 
+   case MESA_FORMAT_RED_RGTC1:
+      return PIPE_FORMAT_RGTC1_UNORM;
+   case MESA_FORMAT_SIGNED_RED_RGTC1:
+      return PIPE_FORMAT_RGTC1_SNORM;
+   case MESA_FORMAT_RG_RGTC2:
+      return PIPE_FORMAT_RGTC2_UNORM;
+   case MESA_FORMAT_SIGNED_RG_RGTC2:
+      return PIPE_FORMAT_RGTC2_SNORM;
    default:
       assert(0);
       return PIPE_FORMAT_NONE;
@@ -380,6 +388,15 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
    case PIPE_FORMAT_R32G32B32A32_USCALED:
       return MESA_FORMAT_RGBA_UINT32;
 
+   case PIPE_FORMAT_RGTC1_UNORM:
+      return MESA_FORMAT_RED_RGTC1;
+   case PIPE_FORMAT_RGTC1_SNORM:
+      return MESA_FORMAT_SIGNED_RED_RGTC1;
+   case PIPE_FORMAT_RGTC2_UNORM:
+      return MESA_FORMAT_RG_RGTC2;
+   case PIPE_FORMAT_RGTC2_SNORM:
+      return MESA_FORMAT_SIGNED_RG_RGTC2;
+
    default:
       assert(0);
       return MESA_FORMAT_NONE;
diff --git a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 5c68fd78c..c07739f9d 100644
--- a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -224,9 +224,9 @@ src_register( struct st_translate *t,
 
    case PROGRAM_TEMPORARY:
       assert(index >= 0);
+      assert(index < Elements(t->temps));
       if (ureg_dst_is_undef(t->temps[index]))
          t->temps[index] = ureg_DECL_temporary( t->ureg );
-      assert(index < Elements(t->temps));
       return ureg_src(t->temps[index]);
 
    case PROGRAM_NAMED_PARAM: