mesa git update 1 Sep 2011

14 files changed, 785 insertions, 717 deletions

diff --git a/mesalib/Android.mk b/mesalib/Android.mk
index 7c7c55a11..a5c9ebc5f 100644
--- a/mesalib/Android.mk
+++ b/mesalib/Android.mk
@@ -23,7 +23,7 @@
 
 # BOARD_GPU_DRIVERS should be defined.  The valid values are
 #
-#   classic drivers: i965
+#   classic drivers: i915 i965
 #   gallium drivers: swrast i915g nouveau r300g r600g vmwgfx
 #
 # The main target is libGLES_mesa.  For each classic driver enabled, a DRI
@@ -36,7 +36,7 @@ MESA_PYTHON2 := python
 DRM_TOP := external/drm
 DRM_GRALLOC_TOP := hardware/drm_gralloc
 
-classic_drivers := i965
+classic_drivers := i915 i965
 gallium_drivers := swrast i915g nouveau r300g r600g vmwgfx
 
 MESA_GPU_DRIVERS := $(strip $(BOARD_GPU_DRIVERS))
diff --git a/mesalib/src/glsl/ir_optimization.h b/mesalib/src/glsl/ir_optimization.h
index f7808bdda..48448d4a1 100644
--- a/mesalib/src/glsl/ir_optimization.h
+++ b/mesalib/src/glsl/ir_optimization.h
@@ -29,12 +29,13 @@
  */
 
 /* Operations for lower_instructions() */
-#define SUB_TO_ADD_NEG 0x01
-#define DIV_TO_MUL_RCP 0x02
-#define EXP_TO_EXP2    0x04
-#define POW_TO_EXP2    0x08
-#define LOG_TO_LOG2    0x10
-#define MOD_TO_FRACT   0x20
+#define SUB_TO_ADD_NEG     0x01
+#define DIV_TO_MUL_RCP     0x02
+#define EXP_TO_EXP2        0x04
+#define POW_TO_EXP2        0x08
+#define LOG_TO_LOG2        0x10
+#define MOD_TO_FRACT       0x20
+#define INT_DIV_TO_MUL_RCP 0x40
 
 bool do_common_optimization(exec_list *ir, bool linked, unsigned max_unroll_iterations);
 
diff --git a/mesalib/src/glsl/lower_instructions.cpp b/mesalib/src/glsl/lower_instructions.cpp
index 23aa19bde..d79eb0a7f 100644
--- a/mesalib/src/glsl/lower_instructions.cpp
+++ b/mesalib/src/glsl/lower_instructions.cpp
@@ -32,6 +32,7 @@
  * Currently supported transformations:
  * - SUB_TO_ADD_NEG
  * - DIV_TO_MUL_RCP
+ * - INT_DIV_TO_MUL_RCP
  * - EXP_TO_EXP2
  * - POW_TO_EXP2
  * - LOG_TO_LOG2
@@ -47,8 +48,8 @@
  * want to recognize add(op0, neg(op1)) or the other way around to
  * produce a subtract anyway.
  *
- * DIV_TO_MUL_RCP:
- * ---------------
+ * DIV_TO_MUL_RCP and INT_DIV_TO_MUL_RCP:
+ * --------------------------------------
  * Breaks an ir_unop_div expression down to op0 * (rcp(op1)).
  *
  * Many GPUs don't have a divide instruction (945 and 965 included),
@@ -56,6 +57,10 @@
  * reciprocal.  By breaking the operation down, constant reciprocals
  * can get constant folded.
  *
+ * DIV_TO_MUL_RCP only lowers floating point division; INT_DIV_TO_MUL_RCP
+ * handles the integer case, converting to and from floating point so that
+ * RCP is possible.
+ *
  * EXP_TO_EXP2 and LOG_TO_LOG2:
  * ----------------------------
  * Many GPUs don't have a base e log or exponent instruction, but they
@@ -95,6 +100,7 @@ private:
 
    void sub_to_add_neg(ir_expression *);
    void div_to_mul_rcp(ir_expression *);
+   void int_div_to_mul_rcp(ir_expression *);
    void mod_to_fract(ir_expression *);
    void exp_to_exp2(ir_expression *);
    void pow_to_exp2(ir_expression *);
@@ -127,60 +133,67 @@ lower_instructions_visitor::sub_to_add_neg(ir_expression *ir)
 void
 lower_instructions_visitor::div_to_mul_rcp(ir_expression *ir)
 {
-   if (!ir->operands[1]->type->is_integer()) {
-      /* New expression for the 1.0 / op1 */
-      ir_rvalue *expr;
-      expr = new(ir) ir_expression(ir_unop_rcp,
-				   ir->operands[1]->type,
-				   ir->operands[1],
-				   NULL);
-
-      /* op0 / op1 -> op0 * (1.0 / op1) */
-      ir->operation = ir_binop_mul;
-      ir->operands[1] = expr;
+   assert(ir->operands[1]->type->is_float());
+
+   /* New expression for the 1.0 / op1 */
+   ir_rvalue *expr;
+   expr = new(ir) ir_expression(ir_unop_rcp,
+				ir->operands[1]->type,
+				ir->operands[1]);
+
+   /* op0 / op1 -> op0 * (1.0 / op1) */
+   ir->operation = ir_binop_mul;
+   ir->operands[1] = expr;
+
+   this->progress = true;
+}
+
+void
+lower_instructions_visitor::int_div_to_mul_rcp(ir_expression *ir)
+{
+   assert(ir->operands[1]->type->is_integer());
+
+   /* Be careful with integer division -- we need to do it as a
+    * float and re-truncate, since rcp(n > 1) of an integer would
+    * just be 0.
+    */
+   ir_rvalue *op0, *op1;
+   const struct glsl_type *vec_type;
+
+   vec_type = glsl_type::get_instance(GLSL_TYPE_FLOAT,
+				      ir->operands[1]->type->vector_elements,
+				      ir->operands[1]->type->matrix_columns);
+
+   if (ir->operands[1]->type->base_type == GLSL_TYPE_INT)
+      op1 = new(ir) ir_expression(ir_unop_i2f, vec_type, ir->operands[1], NULL);
+   else
+      op1 = new(ir) ir_expression(ir_unop_u2f, vec_type, ir->operands[1], NULL);
+
+   op1 = new(ir) ir_expression(ir_unop_rcp, op1->type, op1, NULL);
+
+   vec_type = glsl_type::get_instance(GLSL_TYPE_FLOAT,
+				      ir->operands[0]->type->vector_elements,
+				      ir->operands[0]->type->matrix_columns);
+
+   if (ir->operands[0]->type->base_type == GLSL_TYPE_INT)
+      op0 = new(ir) ir_expression(ir_unop_i2f, vec_type, ir->operands[0], NULL);
+   else
+      op0 = new(ir) ir_expression(ir_unop_u2f, vec_type, ir->operands[0], NULL);
+
+   vec_type = glsl_type::get_instance(GLSL_TYPE_FLOAT,
+				      ir->type->vector_elements,
+				      ir->type->matrix_columns);
+
+   op0 = new(ir) ir_expression(ir_binop_mul, vec_type, op0, op1);
+
+   if (ir->operands[1]->type->base_type == GLSL_TYPE_INT) {
+      ir->operation = ir_unop_f2i;
+      ir->operands[0] = op0;
    } else {
-      /* Be careful with integer division -- we need to do it as a
-       * float and re-truncate, since rcp(n > 1) of an integer would
-       * just be 0.
-       */
-      ir_rvalue *op0, *op1;
-      const struct glsl_type *vec_type;
-
-      vec_type = glsl_type::get_instance(GLSL_TYPE_FLOAT,
-					 ir->operands[1]->type->vector_elements,
-					 ir->operands[1]->type->matrix_columns);
-
-      if (ir->operands[1]->type->base_type == GLSL_TYPE_INT)
-	 op1 = new(ir) ir_expression(ir_unop_i2f, vec_type, ir->operands[1], NULL);
-      else
-	 op1 = new(ir) ir_expression(ir_unop_u2f, vec_type, ir->operands[1], NULL);
-
-      op1 = new(ir) ir_expression(ir_unop_rcp, op1->type, op1, NULL);
-
-      vec_type = glsl_type::get_instance(GLSL_TYPE_FLOAT,
-					 ir->operands[0]->type->vector_elements,
-					 ir->operands[0]->type->matrix_columns);
-
-      if (ir->operands[0]->type->base_type == GLSL_TYPE_INT)
-	 op0 = new(ir) ir_expression(ir_unop_i2f, vec_type, ir->operands[0], NULL);
-      else
-	 op0 = new(ir) ir_expression(ir_unop_u2f, vec_type, ir->operands[0], NULL);
-
-      vec_type = glsl_type::get_instance(GLSL_TYPE_FLOAT,
-					 ir->type->vector_elements,
-					 ir->type->matrix_columns);
-
-      op0 = new(ir) ir_expression(ir_binop_mul, vec_type, op0, op1);
-
-      if (ir->operands[1]->type->base_type == GLSL_TYPE_INT) {
-	 ir->operation = ir_unop_f2i;
-	 ir->operands[0] = op0;
-      } else {
-	 ir->operation = ir_unop_i2u;
-	 ir->operands[0] = new(ir) ir_expression(ir_unop_f2i, op0);
-      }
-      ir->operands[1] = NULL;
+      ir->operation = ir_unop_i2u;
+      ir->operands[0] = new(ir) ir_expression(ir_unop_f2i, op0);
    }
+   ir->operands[1] = NULL;
 
    this->progress = true;
 }
@@ -265,7 +278,9 @@ lower_instructions_visitor::visit_leave(ir_expression *ir)
       break;
 
    case ir_binop_div:
-      if (lowering(DIV_TO_MUL_RCP))
+      if (ir->operands[1]->type->is_integer() && lowering(INT_DIV_TO_MUL_RCP))
+	 int_div_to_mul_rcp(ir);
+      else if (ir->operands[1]->type->is_float() && lowering(DIV_TO_MUL_RCP))
 	 div_to_mul_rcp(ir);
       break;
 
diff --git a/mesalib/src/mesa/drivers/dri/Android.mk b/mesalib/src/mesa/drivers/dri/Android.mk
index b8ccd0c1b..577f66408 100644
--- a/mesalib/src/mesa/drivers/dri/Android.mk
+++ b/mesalib/src/mesa/drivers/dri/Android.mk
@@ -31,6 +31,11 @@ include $(LOCAL_PATH)/common/Makefile.sources
 MESA_DRI_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/dri
 MESA_DRI_MODULE_UNSTRIPPED_PATH := $(TARGET_OUT_SHARED_LIBRARIES_UNSTRIPPED)/dri
 
+MESA_DRI_CFLAGS := \
+	-DFEATURE_GL=1 \
+	-DFEATURE_ES1=1 \
+	-DFEATURE_ES2=1
+
 MESA_DRI_C_INCLUDES := \
 	$(addprefix $(MESA_TOP)/, $(mesa_dri_common_INCLUDES)) \
 	$(DRM_TOP) \
@@ -55,6 +60,10 @@ MESA_DRI_SHARED_LIBRARIES := \
 
 SUBDIRS := common
 
+ifneq ($(filter i915, $(MESA_GPU_DRIVERS)),)
+	SUBDIRS += i915
+endif
+
 ifneq ($(filter i965, $(MESA_GPU_DRIVERS)),)
 	SUBDIRS += i965
 endif
diff --git a/mesalib/src/mesa/main/colormac.h b/mesalib/src/mesa/main/colormac.h
index ebad20fc4..d308c48b6 100644
--- a/mesalib/src/mesa/main/colormac.h
+++ b/mesalib/src/mesa/main/colormac.h
@@ -1,239 +1,245 @@
-/*

- * Mesa 3-D graphics library

- * Version:  7.3

- *

- * Copyright (C) 1999-2008  Brian Paul   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 colormac.h

- * Color-related macros

- */

-

-

-#ifndef COLORMAC_H

-#define COLORMAC_H

-

-

-#include "config.h"

-#include "macros.h"

-#include "mtypes.h"

-

-

-/** \def BYTE_TO_CHAN

- * Convert from GLbyte to GLchan */

-

-/** \def UBYTE_TO_CHAN

- * Convert from GLubyte to GLchan */

-

-/** \def SHORT_TO_CHAN

- * Convert from GLshort to GLchan */

-

-/** \def USHORT_TO_CHAN

- * Convert from GLushort to GLchan */

-

-/** \def INT_TO_CHAN

- * Convert from GLint to GLchan */

-

-/** \def UINT_TO_CHAN

- * Convert from GLuint to GLchan */

-

-/** \def CHAN_TO_UBYTE

- * Convert from GLchan to GLubyte */

-

-/** \def CHAN_TO_FLOAT

- * Convert from GLchan to GLfloat */

-

-/** \def CLAMPED_FLOAT_TO_CHAN

- * Convert from GLclampf to GLchan */

-

-/** \def UNCLAMPED_FLOAT_TO_CHAN

- * Convert from GLfloat to GLchan */

-

-/** \def COPY_CHAN4

- * Copy a GLchan[4] array */

-

-#if CHAN_BITS == 8

-

-#define BYTE_TO_CHAN(b)   ((b) < 0 ? 0 : (GLchan) (b))

-#define UBYTE_TO_CHAN(b)  (b)

-#define SHORT_TO_CHAN(s)  ((s) < 0 ? 0 : (GLchan) ((s) >> 7))

-#define USHORT_TO_CHAN(s) ((GLchan) ((s) >> 8))

-#define INT_TO_CHAN(i)    ((i) < 0 ? 0 : (GLchan) ((i) >> 23))

-#define UINT_TO_CHAN(i)   ((GLchan) ((i) >> 24))

-

-#define CHAN_TO_UBYTE(c)  (c)

-#define CHAN_TO_FLOAT(c)  UBYTE_TO_FLOAT(c)

-

-#define CLAMPED_FLOAT_TO_CHAN(c, f)    CLAMPED_FLOAT_TO_UBYTE(c, f)

-#define UNCLAMPED_FLOAT_TO_CHAN(c, f)  UNCLAMPED_FLOAT_TO_UBYTE(c, f)

-

-#define COPY_CHAN4(DST, SRC)  COPY_4UBV(DST, SRC)

-

-#elif CHAN_BITS == 16

-

-#define BYTE_TO_CHAN(b)   ((b) < 0 ? 0 : (((GLchan) (b)) * 516))

-#define UBYTE_TO_CHAN(b)  ((((GLchan) (b)) << 8) | ((GLchan) (b)))

-#define SHORT_TO_CHAN(s)  ((s) < 0 ? 0 : (GLchan) (s))

-#define USHORT_TO_CHAN(s) (s)

-#define INT_TO_CHAN(i)    ((i) < 0 ? 0 : (GLchan) ((i) >> 15))

-#define UINT_TO_CHAN(i)   ((GLchan) ((i) >> 16))

-

-#define CHAN_TO_UBYTE(c)  ((c) >> 8)

-#define CHAN_TO_FLOAT(c)  ((GLfloat) ((c) * (1.0 / CHAN_MAXF)))

-

-#define CLAMPED_FLOAT_TO_CHAN(c, f)    CLAMPED_FLOAT_TO_USHORT(c, f)

-#define UNCLAMPED_FLOAT_TO_CHAN(c, f)  UNCLAMPED_FLOAT_TO_USHORT(c, f)

-

-#define COPY_CHAN4(DST, SRC)  COPY_4V(DST, SRC)

-

-#elif CHAN_BITS == 32

-

-/* XXX floating-point color channels not fully thought-out */

-#define BYTE_TO_CHAN(b)   ((GLfloat) ((b) * (1.0F / 127.0F)))

-#define UBYTE_TO_CHAN(b)  ((GLfloat) ((b) * (1.0F / 255.0F)))

-#define SHORT_TO_CHAN(s)  ((GLfloat) ((s) * (1.0F / 32767.0F)))

-#define USHORT_TO_CHAN(s) ((GLfloat) ((s) * (1.0F / 65535.0F)))

-#define INT_TO_CHAN(i)    ((GLfloat) ((i) * (1.0F / 2147483647.0F)))

-#define UINT_TO_CHAN(i)   ((GLfloat) ((i) * (1.0F / 4294967295.0F)))

-

-#define CHAN_TO_UBYTE(c)  FLOAT_TO_UBYTE(c)

-#define CHAN_TO_FLOAT(c)  (c)

-

-#define CLAMPED_FLOAT_TO_CHAN(c, f)  c = (f)

-#define UNCLAMPED_FLOAT_TO_CHAN(c, f)      c = (f)

-

-#define COPY_CHAN4(DST, SRC)  COPY_4V(DST, SRC)

-

-#else

-

-#error unexpected CHAN_BITS size

-

-#endif

-

-

-/**

- * Convert 3 channels at once.

- *

- * \param dst pointer to destination GLchan[3] array.

- * \param f pointer to source GLfloat[3] array.

- *

- * \sa #UNCLAMPED_FLOAT_TO_CHAN.

- */

-#define UNCLAMPED_FLOAT_TO_RGB_CHAN(dst, f)	\

-do {						\

-   UNCLAMPED_FLOAT_TO_CHAN((dst)[0], (f)[0]);	\

-   UNCLAMPED_FLOAT_TO_CHAN((dst)[1], (f)[1]);	\

-   UNCLAMPED_FLOAT_TO_CHAN((dst)[2], (f)[2]);	\

-} while (0)

-

-

-/**

- * Convert 4 channels at once.

- *

- * \param dst pointer to destination GLchan[4] array.

- * \param f pointer to source GLfloat[4] array.

- *

- * \sa #UNCLAMPED_FLOAT_TO_CHAN.

- */

-#define UNCLAMPED_FLOAT_TO_RGBA_CHAN(dst, f)	\

-do {						\

-   UNCLAMPED_FLOAT_TO_CHAN((dst)[0], (f)[0]);	\

-   UNCLAMPED_FLOAT_TO_CHAN((dst)[1], (f)[1]);	\

-   UNCLAMPED_FLOAT_TO_CHAN((dst)[2], (f)[2]);	\

-   UNCLAMPED_FLOAT_TO_CHAN((dst)[3], (f)[3]);	\

-} while (0)

-

-

-

-/**

- * \name Generic color packing macros.  All inputs should be GLubytes.

- *

- * \todo We may move these into texstore.h at some point.

- */

-/*@{*/

-

-#define PACK_COLOR_8888( X, Y, Z, W ) \

-   (((X) << 24) | ((Y) << 16) | ((Z) << 8) | (W))

-

-#define PACK_COLOR_8888_REV( X, Y, Z, W ) \

-   (((W) << 24) | ((Z) << 16) | ((Y) << 8) | (X))

-

-#define PACK_COLOR_888( X, Y, Z ) \

-   (((X) << 16) | ((Y) << 8) | (Z))

-

-#define PACK_COLOR_565( X, Y, Z )                                  \

-   ((((X) & 0xf8) << 8) | (((Y) & 0xfc) << 3) | (((Z) & 0xf8) >> 3))

-

-#define PACK_COLOR_565_REV( X, Y, Z ) \

-   (((X) & 0xf8) | ((Y) & 0xe0) >> 5 | (((Y) & 0x1c) << 11) | (((Z) & 0xf8) << 5))

-

-#define PACK_COLOR_5551( R, G, B, A )					\

-   ((((R) & 0xf8) << 8) | (((G) & 0xf8) << 3) | (((B) & 0xf8) >> 2) |	\

-    ((A) ? 1 : 0))

-

-#define PACK_COLOR_1555( A, B, G, R )					\

-   ((((B) & 0xf8) << 7) | (((G) & 0xf8) << 2) | (((R) & 0xf8) >> 3) |	\

-    ((A) ? 0x8000 : 0))

-

-#define PACK_COLOR_1555_REV( A, B, G, R )					\

-   ((((B) & 0xf8) >> 1) | (((G) & 0xc0) >> 6) | (((G) & 0x38) << 10) | (((R) & 0xf8) << 5) |	\

-    ((A) ? 0x80 : 0))

-

-#define PACK_COLOR_2101010_UB( A, B, G, R )					\

-   (((B) << 22) | ((G) << 12) | ((R) << 2) |	\

-    (((A) & 0xc0) << 24))

-

-#define PACK_COLOR_2101010_US( A, B, G, R )					\

-   ((((B) >> 6) << 20) | (((G) >> 6) << 10) | ((R) >> 6) |	\

-    (((A) >> 14) << 30))

-

-#define PACK_COLOR_4444( R, G, B, A )					\

-   ((((R) & 0xf0) << 8) | (((G) & 0xf0) << 4) | ((B) & 0xf0) | ((A) >> 4))

-

-#define PACK_COLOR_4444_REV( R, G, B, A )				\

-   ((((B) & 0xf0) << 8) | (((A) & 0xf0) << 4) | ((R) & 0xf0) | ((G) >> 4))

-

-#define PACK_COLOR_44( L, A )						\

-   (((L) & 0xf0) | (((A) & 0xf0) >> 4))

-

-#define PACK_COLOR_88( L, A )						\

-   (((L) << 8) | (A))

-

-#define PACK_COLOR_88_REV( L, A )					\

-   (((A) << 8) | (L))

-

-#define PACK_COLOR_1616( L, A )						\

-   (((L) << 16) | (A))

-

-#define PACK_COLOR_1616_REV( L, A )					\

-   (((A) << 16) | (L))

-

-#define PACK_COLOR_332( R, G, B )					\

-   (((R) & 0xe0) | (((G) & 0xe0) >> 3) | (((B) & 0xc0) >> 6))

-

-#define PACK_COLOR_233( B, G, R )					\

-   (((B) & 0xc0) | (((G) & 0xe0) >> 2) | (((R) & 0xe0) >> 5))

-

-/*@}*/

-

-

-#endif /* COLORMAC_H */

+/*
+ * Mesa 3-D graphics library
+ * Version:  7.3
+ *
+ * Copyright (C) 1999-2008  Brian Paul   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 colormac.h
+ * Color-related macros
+ */
+
+
+#ifndef COLORMAC_H
+#define COLORMAC_H
+
+
+#include "config.h"
+#include "macros.h"
+#include "mtypes.h"
+
+
+/** \def BYTE_TO_CHAN
+ * Convert from GLbyte to GLchan */
+
+/** \def UBYTE_TO_CHAN
+ * Convert from GLubyte to GLchan */
+
+/** \def SHORT_TO_CHAN
+ * Convert from GLshort to GLchan */
+
+/** \def USHORT_TO_CHAN
+ * Convert from GLushort to GLchan */
+
+/** \def INT_TO_CHAN
+ * Convert from GLint to GLchan */
+
+/** \def UINT_TO_CHAN
+ * Convert from GLuint to GLchan */
+
+/** \def CHAN_TO_UBYTE
+ * Convert from GLchan to GLubyte */
+
+/** \def CHAN_TO_FLOAT
+ * Convert from GLchan to GLfloat */
+
+/** \def CLAMPED_FLOAT_TO_CHAN
+ * Convert from GLclampf to GLchan */
+
+/** \def UNCLAMPED_FLOAT_TO_CHAN
+ * Convert from GLfloat to GLchan */
+
+/** \def COPY_CHAN4
+ * Copy a GLchan[4] array */
+
+#if CHAN_BITS == 8
+
+#define BYTE_TO_CHAN(b)   ((b) < 0 ? 0 : (GLchan) (b))
+#define UBYTE_TO_CHAN(b)  (b)
+#define SHORT_TO_CHAN(s)  ((s) < 0 ? 0 : (GLchan) ((s) >> 7))
+#define USHORT_TO_CHAN(s) ((GLchan) ((s) >> 8))
+#define INT_TO_CHAN(i)    ((i) < 0 ? 0 : (GLchan) ((i) >> 23))
+#define UINT_TO_CHAN(i)   ((GLchan) ((i) >> 24))
+
+#define CHAN_TO_UBYTE(c)  (c)
+#define CHAN_TO_USHORT(c) (((c) << 8) | (c))
+#define CHAN_TO_SHORT(c)  (((c) << 7) | ((c) >> 1))
+#define CHAN_TO_FLOAT(c)  UBYTE_TO_FLOAT(c)
+
+#define CLAMPED_FLOAT_TO_CHAN(c, f)    CLAMPED_FLOAT_TO_UBYTE(c, f)
+#define UNCLAMPED_FLOAT_TO_CHAN(c, f)  UNCLAMPED_FLOAT_TO_UBYTE(c, f)
+
+#define COPY_CHAN4(DST, SRC)  COPY_4UBV(DST, SRC)
+
+#elif CHAN_BITS == 16
+
+#define BYTE_TO_CHAN(b)   ((b) < 0 ? 0 : (((GLchan) (b)) * 516))
+#define UBYTE_TO_CHAN(b)  ((((GLchan) (b)) << 8) | ((GLchan) (b)))
+#define SHORT_TO_CHAN(s)  ((s) < 0 ? 0 : (GLchan) (s))
+#define USHORT_TO_CHAN(s) (s)
+#define INT_TO_CHAN(i)    ((i) < 0 ? 0 : (GLchan) ((i) >> 15))
+#define UINT_TO_CHAN(i)   ((GLchan) ((i) >> 16))
+
+#define CHAN_TO_UBYTE(c)  ((c) >> 8)
+#define CHAN_TO_USHORT(c) (c)
+#define CHAN_TO_SHORT(c)  ((c) >> 1)
+#define CHAN_TO_FLOAT(c)  ((GLfloat) ((c) * (1.0 / CHAN_MAXF)))
+
+#define CLAMPED_FLOAT_TO_CHAN(c, f)    CLAMPED_FLOAT_TO_USHORT(c, f)
+#define UNCLAMPED_FLOAT_TO_CHAN(c, f)  UNCLAMPED_FLOAT_TO_USHORT(c, f)
+
+#define COPY_CHAN4(DST, SRC)  COPY_4V(DST, SRC)
+
+#elif CHAN_BITS == 32
+
+/* XXX floating-point color channels not fully thought-out */
+#define BYTE_TO_CHAN(b)   ((GLfloat) ((b) * (1.0F / 127.0F)))
+#define UBYTE_TO_CHAN(b)  ((GLfloat) ((b) * (1.0F / 255.0F)))
+#define SHORT_TO_CHAN(s)  ((GLfloat) ((s) * (1.0F / 32767.0F)))
+#define USHORT_TO_CHAN(s) ((GLfloat) ((s) * (1.0F / 65535.0F)))
+#define INT_TO_CHAN(i)    ((GLfloat) ((i) * (1.0F / 2147483647.0F)))
+#define UINT_TO_CHAN(i)   ((GLfloat) ((i) * (1.0F / 4294967295.0F)))
+
+#define CHAN_TO_UBYTE(c)  FLOAT_TO_UBYTE(c)
+#define CHAN_TO_USHORT(c) ((GLushort) (CLAMP((c), 0.0f, 1.0f) * 65535.0))
+#define CHAN_TO_SHORT(c)  ((GLshort) (CLAMP((c), 0.0f, 1.0f) * 32767.0))
+#define CHAN_TO_FLOAT(c)  (c)
+
+#define CLAMPED_FLOAT_TO_CHAN(c, f)  c = (f)
+#define UNCLAMPED_FLOAT_TO_CHAN(c, f)      c = (f)
+
+#define COPY_CHAN4(DST, SRC)  COPY_4V(DST, SRC)
+
+#else
+
+#error unexpected CHAN_BITS size
+
+#endif
+
+
+/**
+ * Convert 3 channels at once.
+ *
+ * \param dst pointer to destination GLchan[3] array.
+ * \param f pointer to source GLfloat[3] array.
+ *
+ * \sa #UNCLAMPED_FLOAT_TO_CHAN.
+ */
+#define UNCLAMPED_FLOAT_TO_RGB_CHAN(dst, f)	\
+do {						\
+   UNCLAMPED_FLOAT_TO_CHAN((dst)[0], (f)[0]);	\
+   UNCLAMPED_FLOAT_TO_CHAN((dst)[1], (f)[1]);	\
+   UNCLAMPED_FLOAT_TO_CHAN((dst)[2], (f)[2]);	\
+} while (0)
+
+
+/**
+ * Convert 4 channels at once.
+ *
+ * \param dst pointer to destination GLchan[4] array.
+ * \param f pointer to source GLfloat[4] array.
+ *
+ * \sa #UNCLAMPED_FLOAT_TO_CHAN.
+ */
+#define UNCLAMPED_FLOAT_TO_RGBA_CHAN(dst, f)	\
+do {						\
+   UNCLAMPED_FLOAT_TO_CHAN((dst)[0], (f)[0]);	\
+   UNCLAMPED_FLOAT_TO_CHAN((dst)[1], (f)[1]);	\
+   UNCLAMPED_FLOAT_TO_CHAN((dst)[2], (f)[2]);	\
+   UNCLAMPED_FLOAT_TO_CHAN((dst)[3], (f)[3]);	\
+} while (0)
+
+
+
+/**
+ * \name Generic color packing macros.  All inputs should be GLubytes.
+ *
+ * \todo We may move these into texstore.h at some point.
+ */
+/*@{*/
+
+#define PACK_COLOR_8888( X, Y, Z, W ) \
+   (((X) << 24) | ((Y) << 16) | ((Z) << 8) | (W))
+
+#define PACK_COLOR_8888_REV( X, Y, Z, W ) \
+   (((W) << 24) | ((Z) << 16) | ((Y) << 8) | (X))
+
+#define PACK_COLOR_888( X, Y, Z ) \
+   (((X) << 16) | ((Y) << 8) | (Z))
+
+#define PACK_COLOR_565( X, Y, Z )                                  \
+   ((((X) & 0xf8) << 8) | (((Y) & 0xfc) << 3) | (((Z) & 0xf8) >> 3))
+
+#define PACK_COLOR_565_REV( X, Y, Z ) \
+   (((X) & 0xf8) | ((Y) & 0xe0) >> 5 | (((Y) & 0x1c) << 11) | (((Z) & 0xf8) << 5))
+
+#define PACK_COLOR_5551( R, G, B, A )					\
+   ((((R) & 0xf8) << 8) | (((G) & 0xf8) << 3) | (((B) & 0xf8) >> 2) |	\
+    ((A) ? 1 : 0))
+
+#define PACK_COLOR_1555( A, B, G, R )					\
+   ((((B) & 0xf8) << 7) | (((G) & 0xf8) << 2) | (((R) & 0xf8) >> 3) |	\
+    ((A) ? 0x8000 : 0))
+
+#define PACK_COLOR_1555_REV( A, B, G, R )					\
+   ((((B) & 0xf8) >> 1) | (((G) & 0xc0) >> 6) | (((G) & 0x38) << 10) | (((R) & 0xf8) << 5) |	\
+    ((A) ? 0x80 : 0))
+
+#define PACK_COLOR_2101010_UB( A, B, G, R )					\
+   (((B) << 22) | ((G) << 12) | ((R) << 2) |	\
+    (((A) & 0xc0) << 24))
+
+#define PACK_COLOR_2101010_US( A, B, G, R )					\
+   ((((B) >> 6) << 20) | (((G) >> 6) << 10) | ((R) >> 6) |	\
+    (((A) >> 14) << 30))
+
+#define PACK_COLOR_4444( R, G, B, A )					\
+   ((((R) & 0xf0) << 8) | (((G) & 0xf0) << 4) | ((B) & 0xf0) | ((A) >> 4))
+
+#define PACK_COLOR_4444_REV( R, G, B, A )				\
+   ((((B) & 0xf0) << 8) | (((A) & 0xf0) << 4) | ((R) & 0xf0) | ((G) >> 4))
+
+#define PACK_COLOR_44( L, A )						\
+   (((L) & 0xf0) | (((A) & 0xf0) >> 4))
+
+#define PACK_COLOR_88( L, A )						\
+   (((L) << 8) | (A))
+
+#define PACK_COLOR_88_REV( L, A )					\
+   (((A) << 8) | (L))
+
+#define PACK_COLOR_1616( L, A )						\
+   (((L) << 16) | (A))
+
+#define PACK_COLOR_1616_REV( L, A )					\
+   (((A) << 16) | (L))
+
+#define PACK_COLOR_332( R, G, B )					\
+   (((R) & 0xe0) | (((G) & 0xe0) >> 3) | (((B) & 0xc0) >> 6))
+
+#define PACK_COLOR_233( B, G, R )					\
+   (((B) & 0xc0) | (((G) & 0xe0) >> 2) | (((R) & 0xe0) >> 5))
+
+/*@}*/
+
+
+#endif /* COLORMAC_H */
diff --git a/mesalib/src/mesa/main/config.h b/mesalib/src/mesa/main/config.h
index a12f7f4f3..91aef90b7 100644
--- a/mesalib/src/mesa/main/config.h
+++ b/mesalib/src/mesa/main/config.h
@@ -1,358 +1,358 @@
-/*

- * Mesa 3-D graphics library

- * Version:  7.5

- *

- * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.

- * 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, 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 config.h

- * Tunable configuration parameters.

- */

-

-#ifndef MESA_CONFIG_H_INCLUDED

-#define MESA_CONFIG_H_INCLUDED

-

-

-/**

- * \name OpenGL implementation limits

- */

-/*@{*/

-

-/** Maximum modelview matrix stack depth */

-#define MAX_MODELVIEW_STACK_DEPTH 32

-

-/** Maximum projection matrix stack depth */

-#define MAX_PROJECTION_STACK_DEPTH 32

-

-/** Maximum texture matrix stack depth */

-#define MAX_TEXTURE_STACK_DEPTH 10

-

-/** Maximum color matrix stack depth */

-#define MAX_COLOR_STACK_DEPTH 4

-

-/** Maximum attribute stack depth */

-#define MAX_ATTRIB_STACK_DEPTH 16

-

-/** Maximum client attribute stack depth */

-#define MAX_CLIENT_ATTRIB_STACK_DEPTH 16

-

-/** Maximum recursion depth of display list calls */

-#define MAX_LIST_NESTING 64

-

-/** Maximum number of lights */

-#define MAX_LIGHTS 8

-

-/** Maximum user-defined clipping planes */

-#define MAX_CLIP_PLANES 6

-

-/** Maximum pixel map lookup table size */

-#define MAX_PIXEL_MAP_TABLE 256

-

-/** Maximum number of auxillary color buffers */

-#define MAX_AUX_BUFFERS 1

-

-/** Maximum order (degree) of curves */

-#ifdef AMIGA

-#   define MAX_EVAL_ORDER 12

-#else

-#   define MAX_EVAL_ORDER 30

-#endif

-

-/** Maximum Name stack depth */

-#define MAX_NAME_STACK_DEPTH 64

-

-/** Minimum point size */

-#define MIN_POINT_SIZE 1.0

-/** Maximum point size */

-#define MAX_POINT_SIZE 60.0

-/** Point size granularity */

-#define POINT_SIZE_GRANULARITY 0.1

-

-/** Minimum line width */

-#define MIN_LINE_WIDTH 1.0

-/** Maximum line width */

-#define MAX_LINE_WIDTH 10.0

-/** Line width granularity */

-#define LINE_WIDTH_GRANULARITY 0.1

-

-/** Max texture palette / color table size */

-#define MAX_COLOR_TABLE_SIZE 256

-

-/** Max memory to allow for a single texture image (in megabytes) */

-#define MAX_TEXTURE_MBYTES 1024

-

-/** Number of 1D/2D texture mipmap levels */

-#define MAX_TEXTURE_LEVELS 15

-

-/** Number of 3D texture mipmap levels */

-#define MAX_3D_TEXTURE_LEVELS 15

-

-/** Number of cube texture mipmap levels - GL_ARB_texture_cube_map */

-#define MAX_CUBE_TEXTURE_LEVELS 15

-

-/** Maximum rectangular texture size - GL_NV_texture_rectangle */

-#define MAX_TEXTURE_RECT_SIZE 16384

-

-/** Maximum number of layers in a 1D or 2D array texture - GL_MESA_texture_array */

-#define MAX_ARRAY_TEXTURE_LAYERS 64

-

-/**

- * Max number of texture coordinate units.  This mainly just applies to

- * the fixed-function vertex code.  This will be difficult to raise above

- * eight because of various vertex attribute bitvectors.

- */

-#define MAX_TEXTURE_COORD_UNITS 8

-

-/**

- * Max number of texture image units.  Also determines number of texture

- * samplers in shaders.

- */

-#define MAX_TEXTURE_IMAGE_UNITS 16

-

-/**

- * Larger of MAX_TEXTURE_COORD_UNITS and MAX_TEXTURE_IMAGE_UNITS.

- * This value is only used for dimensioning arrays.

- * Either MAX_TEXTURE_COORD_UNITS or MAX_TEXTURE_IMAGE_UNITS (or the

- * corresponding ctx->Const.MaxTextureCoord/ImageUnits fields) should be

- * used almost everywhere else.

- */

-#define MAX_TEXTURE_UNITS ((MAX_TEXTURE_COORD_UNITS > MAX_TEXTURE_IMAGE_UNITS) ? MAX_TEXTURE_COORD_UNITS : MAX_TEXTURE_IMAGE_UNITS)

-

-

-/** 

- * Maximum viewport/image width. Must accomodate all texture sizes too. 

- */

-

-#ifndef MAX_WIDTH

-#   define MAX_WIDTH 16384

-#endif

-/** Maximum viewport/image height */

-#ifndef MAX_HEIGHT

-#   define MAX_HEIGHT 16384

-#endif

-

-/* XXX: hack to prevent stack overflow on windows until all temporary arrays

- * [MAX_WIDTH] are allocated from the heap */

-#ifdef WIN32

-#undef MAX_TEXTURE_LEVELS

-#undef MAX_3D_TEXTURE_LEVELS

-#undef MAX_CUBE_TEXTURE_LEVELS

-#undef MAX_TEXTURE_RECT_SIZE

-#undef MAX_WIDTH

-#undef MAX_HEIGHT

-#define MAX_TEXTURE_LEVELS 13

-#define MAX_3D_TEXTURE_LEVELS 9

-#define MAX_CUBE_TEXTURE_LEVELS 13

-#define MAX_TEXTURE_RECT_SIZE 4096

-#define MAX_WIDTH 4096

-#define MAX_HEIGHT 4096

-#endif

-

-/** Maxmimum size for CVA.  May be overridden by the drivers.  */

-#define MAX_ARRAY_LOCK_SIZE 3000

-

-/** Subpixel precision for antialiasing, window coordinate snapping */

-#define SUB_PIXEL_BITS 4

-

-/** Size of histogram tables */

-#define HISTOGRAM_TABLE_SIZE 256

-

-/** Max convolution filter width */

-#define MAX_CONVOLUTION_WIDTH 9

-/** Max convolution filter height */

-#define MAX_CONVOLUTION_HEIGHT 9

-

-/** For GL_ARB_texture_compression */

-#define MAX_COMPRESSED_TEXTURE_FORMATS 25

-

-/** For GL_EXT_texture_filter_anisotropic */

-#define MAX_TEXTURE_MAX_ANISOTROPY 16.0

-

-/** For GL_EXT_texture_lod_bias (typically MAX_TEXTURE_LEVELS - 1) */

-#define MAX_TEXTURE_LOD_BIAS 14.0

-

-/** For any program target/extension */

-/*@{*/

-#define MAX_PROGRAM_INSTRUCTIONS       (16 * 1024)

-

-/**

- * Per-program constants (power of two)

- *

- * \c MAX_PROGRAM_LOCAL_PARAMS and \c MAX_UNIFORMS are just the assembly shader

- * and GLSL shader names for the same thing.  They should \b always have the

- * same value.  Each refers to the number of vec4 values supplied as

- * per-program parameters.

- */

-/*@{*/

-#define MAX_PROGRAM_LOCAL_PARAMS       1024

-#define MAX_UNIFORMS                   1024

-/*@}*/

-

-/**

- * Per-context constants (power of two)

- *

- * \note

- * This value should always be less than or equal to \c MAX_PROGRAM_LOCAL_PARAMS

- * and \c MAX_VERTEX_PROGRAM_PARAMS.  Otherwise some applications will make

- * incorrect assumptions.

- */

-#define MAX_PROGRAM_ENV_PARAMS         256

-

-#define MAX_PROGRAM_MATRICES           8

-#define MAX_PROGRAM_MATRIX_STACK_DEPTH 4

-#define MAX_PROGRAM_CALL_DEPTH         8

-#define MAX_PROGRAM_TEMPS              256

-#define MAX_PROGRAM_ADDRESS_REGS       2

-#define MAX_VARYING                    16    /**< number of float[4] vectors */

-#define MAX_SAMPLERS                   MAX_TEXTURE_IMAGE_UNITS

-#define MAX_PROGRAM_INPUTS             32

-#define MAX_PROGRAM_OUTPUTS            64

-/*@}*/

-

-/** For GL_ARB_vertex_program */

-/*@{*/

-#define MAX_VERTEX_PROGRAM_ADDRESS_REGS 1

-#define MAX_VERTEX_PROGRAM_PARAMS       MAX_UNIFORMS

-/*@}*/

-

-/** For GL_ARB_fragment_program */

-/*@{*/

-#define MAX_FRAGMENT_PROGRAM_ADDRESS_REGS 0

-/*@}*/

-

-/** For GL_NV_vertex_program */

-/*@{*/

-#define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128

-#define MAX_NV_VERTEX_PROGRAM_TEMPS         12

-#define MAX_NV_VERTEX_PROGRAM_PARAMS        96

-#define MAX_NV_VERTEX_PROGRAM_INPUTS        16

-#define MAX_NV_VERTEX_PROGRAM_OUTPUTS       15

-/*@}*/

-

-/** For GL_NV_fragment_program */

-/*@{*/

-#define MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS 1024 /* 72 for GL_ARB_f_p */

-#define MAX_NV_FRAGMENT_PROGRAM_TEMPS         96

-#define MAX_NV_FRAGMENT_PROGRAM_PARAMS        64

-#define MAX_NV_FRAGMENT_PROGRAM_INPUTS        12

-#define MAX_NV_FRAGMENT_PROGRAM_OUTPUTS        3

-#define MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS    2

-/*@}*/

-

-

-/** For GL_ARB_vertex_shader */

-/*@{*/

-#define MAX_VERTEX_GENERIC_ATTRIBS 16

-#define MAX_VERTEX_TEXTURE_IMAGE_UNITS MAX_TEXTURE_IMAGE_UNITS

-#define MAX_COMBINED_TEXTURE_IMAGE_UNITS (MAX_VERTEX_TEXTURE_IMAGE_UNITS + \

-					  MAX_TEXTURE_IMAGE_UNITS)

-/*@}*/

-

-

-/** For GL_ARB_draw_buffers */

-/*@{*/

-#define MAX_DRAW_BUFFERS 8

-/*@}*/

-

-

-/** For GL_EXT_framebuffer_object */

-/*@{*/

-#define MAX_COLOR_ATTACHMENTS 8

-/*@}*/

-

-/** For GL_ATI_envmap_bump - support bump mapping on first 8 units */

-#define SUPPORTED_ATI_BUMP_UNITS 0xff

-

-/** For GL_EXT_transform_feedback */

-#define MAX_FEEDBACK_ATTRIBS 32

-

-/** For GL_ARB_geometry_shader4 */

-/*@{*/

-#define MAX_GEOMETRY_TEXTURE_IMAGE_UNITS             8

-#define MAX_GEOMETRY_VARYING_COMPONENTS              32

-#define MAX_VERTEX_VARYING_COMPONENTS                32

-#define MAX_GEOMETRY_UNIFORM_COMPONENTS              512

-#define MAX_GEOMETRY_OUTPUT_VERTICES                 256

-#define MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS         1024

-/*@}*/

-

-

-/**

- * \name Mesa-specific parameters

- */

-/*@{*/

-

-

-/**

- * If non-zero use GLdouble for walking triangle edges, for better accuracy.

- */

-#define TRIANGLE_WALK_DOUBLE 0

-

-

-/**

- * Bits per depth buffer value (max is 32).

- */

-#ifndef DEFAULT_SOFTWARE_DEPTH_BITS

-#define DEFAULT_SOFTWARE_DEPTH_BITS 16

-#endif

-/** Depth buffer data type */

-#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16

-#define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort

-#else

-#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint

-#endif

-

-

-/**

- * Bits per stencil value: 8

- */

-#define STENCIL_BITS 8

-

-

-/**

- * Bits per color channel:  8, 16 or 32

- */

-#ifndef CHAN_BITS

-#define CHAN_BITS 8

-#endif

-

-

-/*

- * Color channel component order

- * 

- * \note Changes will almost certainly cause problems at this time.

- */

-#define RCOMP 0

-#define GCOMP 1

-#define BCOMP 2

-#define ACOMP 3

-

-

-/**

- * Maximum number of temporary vertices required for clipping.  

- *

- * Used in array_cache and tnl modules.

- */

-#define MAX_CLIPPED_VERTICES ((2 * (6 + MAX_CLIP_PLANES))+1)

-

-

-#endif /* MESA_CONFIG_H_INCLUDED */

+/*
+ * Mesa 3-D graphics library
+ * Version:  7.5
+ *
+ * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
+ * 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, 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 config.h
+ * Tunable configuration parameters.
+ */
+
+#ifndef MESA_CONFIG_H_INCLUDED
+#define MESA_CONFIG_H_INCLUDED
+
+
+/**
+ * \name OpenGL implementation limits
+ */
+/*@{*/
+
+/** Maximum modelview matrix stack depth */
+#define MAX_MODELVIEW_STACK_DEPTH 32
+
+/** Maximum projection matrix stack depth */
+#define MAX_PROJECTION_STACK_DEPTH 32
+
+/** Maximum texture matrix stack depth */
+#define MAX_TEXTURE_STACK_DEPTH 10
+
+/** Maximum color matrix stack depth */
+#define MAX_COLOR_STACK_DEPTH 4
+
+/** Maximum attribute stack depth */
+#define MAX_ATTRIB_STACK_DEPTH 16
+
+/** Maximum client attribute stack depth */
+#define MAX_CLIENT_ATTRIB_STACK_DEPTH 16
+
+/** Maximum recursion depth of display list calls */
+#define MAX_LIST_NESTING 64
+
+/** Maximum number of lights */
+#define MAX_LIGHTS 8
+
+/** Maximum user-defined clipping planes */
+#define MAX_CLIP_PLANES 6
+
+/** Maximum pixel map lookup table size */
+#define MAX_PIXEL_MAP_TABLE 256
+
+/** Maximum number of auxillary color buffers */
+#define MAX_AUX_BUFFERS 1
+
+/** Maximum order (degree) of curves */
+#ifdef AMIGA
+#   define MAX_EVAL_ORDER 12
+#else
+#   define MAX_EVAL_ORDER 30
+#endif
+
+/** Maximum Name stack depth */
+#define MAX_NAME_STACK_DEPTH 64
+
+/** Minimum point size */
+#define MIN_POINT_SIZE 1.0
+/** Maximum point size */
+#define MAX_POINT_SIZE 60.0
+/** Point size granularity */
+#define POINT_SIZE_GRANULARITY 0.1
+
+/** Minimum line width */
+#define MIN_LINE_WIDTH 1.0
+/** Maximum line width */
+#define MAX_LINE_WIDTH 10.0
+/** Line width granularity */
+#define LINE_WIDTH_GRANULARITY 0.1
+
+/** Max texture palette / color table size */
+#define MAX_COLOR_TABLE_SIZE 256
+
+/** Max memory to allow for a single texture image (in megabytes) */
+#define MAX_TEXTURE_MBYTES 1024
+
+/** Number of 1D/2D texture mipmap levels */
+#define MAX_TEXTURE_LEVELS 15
+
+/** Number of 3D texture mipmap levels */
+#define MAX_3D_TEXTURE_LEVELS 15
+
+/** Number of cube texture mipmap levels - GL_ARB_texture_cube_map */
+#define MAX_CUBE_TEXTURE_LEVELS 15
+
+/** Maximum rectangular texture size - GL_NV_texture_rectangle */
+#define MAX_TEXTURE_RECT_SIZE 16384
+
+/** Maximum number of layers in a 1D or 2D array texture - GL_MESA_texture_array */
+#define MAX_ARRAY_TEXTURE_LAYERS 64
+
+/**
+ * Max number of texture coordinate units.  This mainly just applies to
+ * the fixed-function vertex code.  This will be difficult to raise above
+ * eight because of various vertex attribute bitvectors.
+ */
+#define MAX_TEXTURE_COORD_UNITS 8
+
+/**
+ * Max number of texture image units.  Also determines number of texture
+ * samplers in shaders.
+ */
+#define MAX_TEXTURE_IMAGE_UNITS 16
+
+/**
+ * Larger of MAX_TEXTURE_COORD_UNITS and MAX_TEXTURE_IMAGE_UNITS.
+ * This value is only used for dimensioning arrays.
+ * Either MAX_TEXTURE_COORD_UNITS or MAX_TEXTURE_IMAGE_UNITS (or the
+ * corresponding ctx->Const.MaxTextureCoord/ImageUnits fields) should be
+ * used almost everywhere else.
+ */
+#define MAX_TEXTURE_UNITS ((MAX_TEXTURE_COORD_UNITS > MAX_TEXTURE_IMAGE_UNITS) ? MAX_TEXTURE_COORD_UNITS : MAX_TEXTURE_IMAGE_UNITS)
+
+
+/** 
+ * Maximum viewport/image width. Must accomodate all texture sizes too. 
+ */
+
+#ifndef MAX_WIDTH
+#   define MAX_WIDTH 16384
+#endif
+/** Maximum viewport/image height */
+#ifndef MAX_HEIGHT
+#   define MAX_HEIGHT 16384
+#endif
+
+/* XXX: hack to prevent stack overflow on windows until all temporary arrays
+ * [MAX_WIDTH] are allocated from the heap */
+#ifdef WIN32
+#undef MAX_TEXTURE_LEVELS
+#undef MAX_3D_TEXTURE_LEVELS
+#undef MAX_CUBE_TEXTURE_LEVELS
+#undef MAX_TEXTURE_RECT_SIZE
+#undef MAX_WIDTH
+#undef MAX_HEIGHT
+#define MAX_TEXTURE_LEVELS 13
+#define MAX_3D_TEXTURE_LEVELS 9
+#define MAX_CUBE_TEXTURE_LEVELS 13
+#define MAX_TEXTURE_RECT_SIZE 4096
+#define MAX_WIDTH 4096
+#define MAX_HEIGHT 4096
+#endif
+
+/** Maxmimum size for CVA.  May be overridden by the drivers.  */
+#define MAX_ARRAY_LOCK_SIZE 3000
+
+/** Subpixel precision for antialiasing, window coordinate snapping */
+#define SUB_PIXEL_BITS 4
+
+/** Size of histogram tables */
+#define HISTOGRAM_TABLE_SIZE 256
+
+/** Max convolution filter width */
+#define MAX_CONVOLUTION_WIDTH 9
+/** Max convolution filter height */
+#define MAX_CONVOLUTION_HEIGHT 9
+
+/** For GL_ARB_texture_compression */
+#define MAX_COMPRESSED_TEXTURE_FORMATS 25
+
+/** For GL_EXT_texture_filter_anisotropic */
+#define MAX_TEXTURE_MAX_ANISOTROPY 16.0
+
+/** For GL_EXT_texture_lod_bias (typically MAX_TEXTURE_LEVELS - 1) */
+#define MAX_TEXTURE_LOD_BIAS 14.0
+
+/** For any program target/extension */
+/*@{*/
+#define MAX_PROGRAM_INSTRUCTIONS       (16 * 1024)
+
+/**
+ * Per-program constants (power of two)
+ *
+ * \c MAX_PROGRAM_LOCAL_PARAMS and \c MAX_UNIFORMS are just the assembly shader
+ * and GLSL shader names for the same thing.  They should \b always have the
+ * same value.  Each refers to the number of vec4 values supplied as
+ * per-program parameters.
+ */
+/*@{*/
+#define MAX_PROGRAM_LOCAL_PARAMS       4096
+#define MAX_UNIFORMS                   4096
+/*@}*/
+
+/**
+ * Per-context constants (power of two)
+ *
+ * \note
+ * This value should always be less than or equal to \c MAX_PROGRAM_LOCAL_PARAMS
+ * and \c MAX_VERTEX_PROGRAM_PARAMS.  Otherwise some applications will make
+ * incorrect assumptions.
+ */
+#define MAX_PROGRAM_ENV_PARAMS         256
+
+#define MAX_PROGRAM_MATRICES           8
+#define MAX_PROGRAM_MATRIX_STACK_DEPTH 4
+#define MAX_PROGRAM_CALL_DEPTH         8
+#define MAX_PROGRAM_TEMPS              256
+#define MAX_PROGRAM_ADDRESS_REGS       2
+#define MAX_VARYING                    16    /**< number of float[4] vectors */
+#define MAX_SAMPLERS                   MAX_TEXTURE_IMAGE_UNITS
+#define MAX_PROGRAM_INPUTS             32
+#define MAX_PROGRAM_OUTPUTS            64
+/*@}*/
+
+/** For GL_ARB_vertex_program */
+/*@{*/
+#define MAX_VERTEX_PROGRAM_ADDRESS_REGS 1
+#define MAX_VERTEX_PROGRAM_PARAMS       MAX_UNIFORMS
+/*@}*/
+
+/** For GL_ARB_fragment_program */
+/*@{*/
+#define MAX_FRAGMENT_PROGRAM_ADDRESS_REGS 0
+/*@}*/
+
+/** For GL_NV_vertex_program */
+/*@{*/
+#define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128
+#define MAX_NV_VERTEX_PROGRAM_TEMPS         12
+#define MAX_NV_VERTEX_PROGRAM_PARAMS        96
+#define MAX_NV_VERTEX_PROGRAM_INPUTS        16
+#define MAX_NV_VERTEX_PROGRAM_OUTPUTS       15
+/*@}*/
+
+/** For GL_NV_fragment_program */
+/*@{*/
+#define MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS 1024 /* 72 for GL_ARB_f_p */
+#define MAX_NV_FRAGMENT_PROGRAM_TEMPS         96
+#define MAX_NV_FRAGMENT_PROGRAM_PARAMS        64
+#define MAX_NV_FRAGMENT_PROGRAM_INPUTS        12
+#define MAX_NV_FRAGMENT_PROGRAM_OUTPUTS        3
+#define MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS    2
+/*@}*/
+
+
+/** For GL_ARB_vertex_shader */
+/*@{*/
+#define MAX_VERTEX_GENERIC_ATTRIBS 16
+#define MAX_VERTEX_TEXTURE_IMAGE_UNITS MAX_TEXTURE_IMAGE_UNITS
+#define MAX_COMBINED_TEXTURE_IMAGE_UNITS (MAX_VERTEX_TEXTURE_IMAGE_UNITS + \
+					  MAX_TEXTURE_IMAGE_UNITS)
+/*@}*/
+
+
+/** For GL_ARB_draw_buffers */
+/*@{*/
+#define MAX_DRAW_BUFFERS 8
+/*@}*/
+
+
+/** For GL_EXT_framebuffer_object */
+/*@{*/
+#define MAX_COLOR_ATTACHMENTS 8
+/*@}*/
+
+/** For GL_ATI_envmap_bump - support bump mapping on first 8 units */
+#define SUPPORTED_ATI_BUMP_UNITS 0xff
+
+/** For GL_EXT_transform_feedback */
+#define MAX_FEEDBACK_ATTRIBS 32
+
+/** For GL_ARB_geometry_shader4 */
+/*@{*/
+#define MAX_GEOMETRY_TEXTURE_IMAGE_UNITS             8
+#define MAX_GEOMETRY_VARYING_COMPONENTS              32
+#define MAX_VERTEX_VARYING_COMPONENTS                32
+#define MAX_GEOMETRY_UNIFORM_COMPONENTS              512
+#define MAX_GEOMETRY_OUTPUT_VERTICES                 256
+#define MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS         1024
+/*@}*/
+
+
+/**
+ * \name Mesa-specific parameters
+ */
+/*@{*/
+
+
+/**
+ * If non-zero use GLdouble for walking triangle edges, for better accuracy.
+ */
+#define TRIANGLE_WALK_DOUBLE 0
+
+
+/**
+ * Bits per depth buffer value (max is 32).
+ */
+#ifndef DEFAULT_SOFTWARE_DEPTH_BITS
+#define DEFAULT_SOFTWARE_DEPTH_BITS 16
+#endif
+/** Depth buffer data type */
+#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
+#define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
+#else
+#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
+#endif
+
+
+/**
+ * Bits per stencil value: 8
+ */
+#define STENCIL_BITS 8
+
+
+/**
+ * Bits per color channel:  8, 16 or 32
+ */
+#ifndef CHAN_BITS
+#define CHAN_BITS 8
+#endif
+
+
+/*
+ * Color channel component order
+ * 
+ * \note Changes will almost certainly cause problems at this time.
+ */
+#define RCOMP 0
+#define GCOMP 1
+#define BCOMP 2
+#define ACOMP 3
+
+
+/**
+ * Maximum number of temporary vertices required for clipping.  
+ *
+ * Used in array_cache and tnl modules.
+ */
+#define MAX_CLIPPED_VERTICES ((2 * (6 + MAX_CLIP_PLANES))+1)
+
+
+#endif /* MESA_CONFIG_H_INCLUDED */
diff --git a/mesalib/src/mesa/main/formats.c b/mesalib/src/mesa/main/formats.c
index 65c08f024..c0fcf9cd4 100644
--- a/mesalib/src/mesa/main/formats.c
+++ b/mesalib/src/mesa/main/formats.c
@@ -47,7 +47,7 @@ struct gl_format_info
    GLenum BaseFormat;
 
    /**
-    * Logical data type: one of  GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALED,
+    * Logical data type: one of  GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALIZED,
     * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
     */
    GLenum DataType;
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index f2eb889fe..44ebf0a53 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -2266,11 +2266,6 @@ struct gl_shader_compiler_options
    /** Driver-selectable options: */
    GLboolean EmitCondCodes;             /**< Use condition codes? */
    GLboolean EmitNVTempInitialization;  /**< 0-fill NV temp registers */
-   /**
-    * Attempts to flatten all ir_if (OPCODE_IF) for GPUs that can't
-    * support control flow.
-    */
-   GLboolean EmitNoIfs;
    GLboolean EmitNoLoops;
    GLboolean EmitNoFunctions;
    GLboolean EmitNoCont;                  /**< Emit CONT opcode? */
@@ -2288,6 +2283,7 @@ struct gl_shader_compiler_options
    GLboolean EmitNoIndirectUniform; /**< No indirect addressing of constants */
    /*@}*/
 
+   GLuint MaxIfDepth;               /**< Maximum nested IF blocks */
    GLuint MaxUnrollIterations;
 
    struct gl_sl_pragmas DefaultPragmas; /**< Default #pragma settings */
diff --git a/mesalib/src/mesa/main/texfetch_tmp.h b/mesalib/src/mesa/main/texfetch_tmp.h
index 548d50c8e..dbed3dba9 100644
--- a/mesalib/src/mesa/main/texfetch_tmp.h
+++ b/mesalib/src/mesa/main/texfetch_tmp.h
@@ -792,9 +792,12 @@ static void FETCH(f_rgb565_rev)( const struct gl_texture_image *texImage,
 static void store_texel_rgb565_rev(struct gl_texture_image *texImage,
                                   GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLubyte *rgba = (const GLubyte *) texel;
+   const GLchan *rgba = (const GLchan *) texel;
    GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
-   *dst = PACK_COLOR_565(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]);
+   GLushort p = PACK_COLOR_565(CHAN_TO_UBYTE(rgba[RCOMP]),
+                               CHAN_TO_UBYTE(rgba[GCOMP]),
+                               CHAN_TO_UBYTE(rgba[BCOMP]));
+   *dst = (p >> 8) | (p << 8); /* byte swap */
 }
 #endif
 
@@ -817,9 +820,12 @@ static void FETCH(f_argb4444)( const struct gl_texture_image *texImage,
 static void store_texel_argb4444(struct gl_texture_image *texImage,
                                  GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLubyte *rgba = (const GLubyte *) texel;
+   const GLchan *rgba = (const GLchan *) texel;
    GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
-   *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+   *dst = PACK_COLOR_4444(CHAN_TO_UBYTE(rgba[ACOMP]),
+                          CHAN_TO_UBYTE(rgba[RCOMP]),
+                          CHAN_TO_UBYTE(rgba[GCOMP]),
+                          CHAN_TO_UBYTE(rgba[BCOMP]));
 }
 #endif
 
@@ -841,9 +847,12 @@ static void FETCH(f_argb4444_rev)( const struct gl_texture_image *texImage,
 static void store_texel_argb4444_rev(struct gl_texture_image *texImage,
                                  GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLubyte *rgba = (const GLubyte *) texel;
+   const GLchan *rgba = (const GLchan *) texel;
    GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
-   *dst = PACK_COLOR_4444(rgba[ACOMP], rgba[BCOMP], rgba[GCOMP], rgba[RCOMP]);
+   *dst = PACK_COLOR_4444(CHAN_TO_UBYTE(rgba[GCOMP]),
+                          CHAN_TO_UBYTE(rgba[BCOMP]),
+                          CHAN_TO_UBYTE(rgba[ACOMP]),
+                          CHAN_TO_UBYTE(rgba[RCOMP]));
 }
 #endif
 
@@ -939,9 +948,13 @@ static void FETCH(f_argb2101010)( const struct gl_texture_image *texImage,
 static void store_texel_argb2101010(struct gl_texture_image *texImage,
                                     GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLubyte *rgba = (const GLubyte *) texel;
+   const GLchan *rgba = (const GLchan *) texel;
    GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
-   *dst = PACK_COLOR_2101010_UB(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+   GLushort r = CHAN_TO_USHORT(rgba[RCOMP]);
+   GLushort g = CHAN_TO_USHORT(rgba[GCOMP]);
+   GLushort b = CHAN_TO_USHORT(rgba[BCOMP]);
+   GLushort a = CHAN_TO_USHORT(rgba[ACOMP]);
+   *dst = PACK_COLOR_2101010_US(a, r, g, b);
 }
 #endif
 
@@ -963,9 +976,11 @@ static void FETCH(f_rg88)( const struct gl_texture_image *texImage,
 static void store_texel_rg88(struct gl_texture_image *texImage,
                              GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLubyte *rgba = (const GLubyte *) texel;
+   const GLchan *rgba = (const GLubyte *) texel;
    GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
-   *dst = PACK_COLOR_88(rgba[RCOMP], rgba[GCOMP]);
+   GLubyte r = CHAN_TO_UBYTE(rgba[RCOMP]);
+   GLubyte g = CHAN_TO_UBYTE(rgba[GCOMP]);
+   *dst = PACK_COLOR_88(g, r);
 }
 #endif
 
@@ -1083,9 +1098,9 @@ static void FETCH(f_r16)(const struct gl_texture_image *texImage,
 static void store_texel_r16(struct gl_texture_image *texImage,
 			    GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLushort *rgba = (const GLushort *) texel;
+   const GLchan *rgba = (const GLchan *) texel;
    GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
-   *dst = rgba[RCOMP];
+   *dst = CHAN_TO_USHORT(rgba[RCOMP]);
 }
 #endif
 
@@ -1131,9 +1146,11 @@ static void FETCH(f_rg1616)( const struct gl_texture_image *texImage,
 static void store_texel_rg1616(struct gl_texture_image *texImage,
                              GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLubyte *rgba = (const GLubyte *) texel;
-   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
-   *dst = PACK_COLOR_1616(rgba[RCOMP], rgba[GCOMP]);
+   const GLchan *rgba = (const GLchan *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   GLushort r = CHAN_TO_USHORT(rgba[RCOMP]);
+   GLushort g = CHAN_TO_USHORT(rgba[GCOMP]);
+   *dst = PACK_COLOR_1616(g, r);
 }
 #endif
 
@@ -1179,9 +1196,11 @@ static void FETCH(f_al1616)( const struct gl_texture_image *texImage,
 static void store_texel_al1616(struct gl_texture_image *texImage,
                              GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLushort *rgba = (const GLushort *) texel;
+   const GLchan *rgba = (const GLchan *) texel;
    GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
-   *dst = PACK_COLOR_1616(rgba[ACOMP], rgba[RCOMP]);
+   GLushort l = CHAN_TO_USHORT(rgba[RCOMP]);
+   GLushort a = CHAN_TO_USHORT(rgba[ACOMP]);
+   *dst = PACK_COLOR_1616(a, l);
 }
 #endif
 
@@ -1276,9 +1295,9 @@ static void FETCH(f_a16)( const struct gl_texture_image *texImage,
 static void store_texel_a16(struct gl_texture_image *texImage,
                             GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLushort *rgba = (const GLushort *) texel;
+   const GLchan *rgba = (const GLchan *) texel;
    GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
-   *dst = rgba[ACOMP];
+   *dst = CHAN_TO_USHORT(rgba[ACOMP]);
 }
 #endif
 
@@ -1995,10 +2014,10 @@ static void
 store_texel_signed_rg1616(struct gl_texture_image *texImage,
                          GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLshort *rgba = (const GLshort *) texel;
+   const GLchan *rgba = (const GLchan *) texel;
    GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
-   dst[0] = rgba[RCOMP];
-   dst[1] = rgba[GCOMP];
+   dst[0] = CHAN_TO_SHORT(rgba[RCOMP]);
+   dst[1] = CHAN_TO_SHORT(rgba[GCOMP]);
 }
 #endif
 
@@ -2021,10 +2040,10 @@ static void
 store_texel_signed_al1616(struct gl_texture_image *texImage,
                          GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLshort *rgba = (const GLshort *) texel;
+   const GLchan *rgba = (const GLchan *) texel;
    GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
-   dst[0] = rgba[RCOMP];
-   dst[1] = rgba[ACOMP];
+   dst[0] = CHAN_TO_SHORT(rgba[RCOMP]);
+   dst[1] = CHAN_TO_SHORT(rgba[ACOMP]);
 }
 #endif
 
@@ -2047,11 +2066,11 @@ static void
 store_texel_signed_rgb_16(struct gl_texture_image *texImage,
                           GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLshort *rgba = (const GLshort *) texel;
+   const GLchan *rgba = (const GLchan *) texel;
    GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 3);
-   dst[0] = rgba[RCOMP];
-   dst[1] = rgba[GCOMP];
-   dst[2] = rgba[BCOMP];
+   dst[0] = CHAN_TO_SHORT(rgba[RCOMP]);
+   dst[1] = CHAN_TO_SHORT(rgba[GCOMP]);
+   dst[2] = CHAN_TO_SHORT(rgba[BCOMP]);
 }
 #endif
 
@@ -2074,12 +2093,12 @@ static void
 store_texel_signed_rgba_16(struct gl_texture_image *texImage,
                            GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLshort *rgba = (const GLshort *) texel;
+   const GLchan *rgba = (const GLchan *) texel;
    GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
-   dst[0] = rgba[RCOMP];
-   dst[1] = rgba[GCOMP];
-   dst[2] = rgba[BCOMP];
-   dst[3] = rgba[ACOMP];
+   dst[0] = CHAN_TO_SHORT(rgba[RCOMP]);
+   dst[1] = CHAN_TO_SHORT(rgba[GCOMP]);
+   dst[2] = CHAN_TO_SHORT(rgba[BCOMP]);
+   dst[3] = CHAN_TO_SHORT(rgba[ACOMP]);
 }
 #endif
 
@@ -2103,12 +2122,12 @@ static void
 store_texel_rgba_16(struct gl_texture_image *texImage,
                     GLint i, GLint j, GLint k, const void *texel)
 {
-   const GLushort *rgba = (const GLushort *) texel;
+   const GLchan *rgba = (const GLchan *) texel;
    GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4);
-   dst[0] = rgba[RCOMP];
-   dst[1] = rgba[GCOMP];
-   dst[2] = rgba[BCOMP];
-   dst[3] = rgba[ACOMP];
+   dst[0] = CHAN_TO_USHORT(rgba[RCOMP]);
+   dst[1] = CHAN_TO_USHORT(rgba[GCOMP]);
+   dst[2] = CHAN_TO_USHORT(rgba[BCOMP]);
+   dst[3] = CHAN_TO_USHORT(rgba[ACOMP]);
 }
 #endif
 
diff --git a/mesalib/src/mesa/program/ir_to_mesa.cpp b/mesalib/src/mesa/program/ir_to_mesa.cpp
index 6820e4c6b..9813c4ae8 100644
--- a/mesalib/src/mesa/program/ir_to_mesa.cpp
+++ b/mesalib/src/mesa/program/ir_to_mesa.cpp
@@ -3119,7 +3119,7 @@ get_mesa_program(struct gl_context *ctx,
 
       switch (mesa_inst->Opcode) {
       case OPCODE_IF:
-	 if (options->EmitNoIfs) {
+	 if (options->MaxIfDepth == 0) {
 	    linker_warning(shader_program,
 			   "Couldn't flatten if-statement.  "
 			   "This will likely result in software "
@@ -3232,7 +3232,7 @@ _mesa_ir_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 	 /* Lowering */
 	 do_mat_op_to_vec(ir);
 	 lower_instructions(ir, (MOD_TO_FRACT | DIV_TO_MUL_RCP | EXP_TO_EXP2
-				 | LOG_TO_LOG2
+				 | LOG_TO_LOG2 | INT_DIV_TO_MUL_RCP
 				 | ((options->EmitNoPow) ? POW_TO_EXP2 : 0)));
 
 	 progress = do_lower_jumps(ir, true, true, options->EmitNoMainReturn, options->EmitNoCont, options->EmitNoLoops) || progress;
@@ -3241,10 +3241,10 @@ _mesa_ir_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 
 	 progress = lower_quadop_vector(ir, true) || progress;
 
-	 if (options->EmitNoIfs) {
+	 if (options->MaxIfDepth == 0)
 	    progress = lower_discard(ir) || progress;
-	    progress = lower_if_to_cond_assign(ir) || progress;
-	 }
+
+	 progress = lower_if_to_cond_assign(ir, options->MaxIfDepth) || progress;
 
 	 if (options->EmitNoNoise)
 	    progress = lower_noise(ir) || progress;
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 8e9009340..322dbbfd5 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -173,7 +173,7 @@ void st_init_limits(struct st_context *st)
       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->MaxIfDepth = 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);
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 3fbb0cdd2..e2857edf3 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -4982,7 +4982,7 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
          /* Lowering */
          do_mat_op_to_vec(ir);
          lower_instructions(ir, (MOD_TO_FRACT | DIV_TO_MUL_RCP | EXP_TO_EXP2
-        			 | LOG_TO_LOG2
+				 | LOG_TO_LOG2 | INT_DIV_TO_MUL_RCP
         			 | ((options->EmitNoPow) ? POW_TO_EXP2 : 0)));
 
          progress = do_lower_jumps(ir, true, true, options->EmitNoMainReturn, options->EmitNoCont, options->EmitNoLoops) || progress;
@@ -4991,10 +4991,10 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 
          progress = lower_quadop_vector(ir, false) || progress;
 
-         if (options->EmitNoIfs) {
+         if (options->MaxIfDepth == 0)
             progress = lower_discard(ir) || progress;
-            progress = lower_if_to_cond_assign(ir) || progress;
-         }
+
+         progress = lower_if_to_cond_assign(ir, options->MaxIfDepth) || progress;
 
          if (options->EmitNoNoise)
             progress = lower_noise(ir) || progress;
diff --git a/mesalib/src/mesa/swrast/s_context.c b/mesalib/src/mesa/swrast/s_context.c
index 792b528ee..df213357f 100644
--- a/mesalib/src/mesa/swrast/s_context.c
+++ b/mesalib/src/mesa/swrast/s_context.c
@@ -688,6 +688,24 @@ _swrast_allow_pixel_fog( struct gl_context *ctx, GLboolean value )
 }
 
 
+/**
+ * Initialize native program limits by copying the logical limits.
+ * See comments in init_program_limits() in context.c
+ */
+static void
+init_program_native_limits(struct gl_program_constants *prog)
+{
+   prog->MaxNativeInstructions = prog->MaxInstructions;
+   prog->MaxNativeAluInstructions = prog->MaxAluInstructions;
+   prog->MaxNativeTexInstructions = prog->MaxTexInstructions;
+   prog->MaxNativeTexIndirections = prog->MaxTexIndirections;
+   prog->MaxNativeAttribs = prog->MaxAttribs;
+   prog->MaxNativeTemps = prog->MaxTemps;
+   prog->MaxNativeAddressRegs = prog->MaxAddressRegs;
+   prog->MaxNativeParameters = prog->MaxParameters;
+}
+
+
 GLboolean
 _swrast_CreateContext( struct gl_context *ctx )
 {
@@ -769,6 +787,10 @@ _swrast_CreateContext( struct gl_context *ctx )
       return GL_FALSE;
    }
 
+   init_program_native_limits(&ctx->Const.VertexProgram);
+   init_program_native_limits(&ctx->Const.GeometryProgram);
+   init_program_native_limits(&ctx->Const.FragmentProgram);
+
    ctx->swrast_context = swrast;
 
    return GL_TRUE;
diff --git a/mesalib/src/mesa/swrast/s_readpix.c b/mesalib/src/mesa/swrast/s_readpix.c
index 66ca39293..6eec2fc78 100644
--- a/mesalib/src/mesa/swrast/s_readpix.c
+++ b/mesalib/src/mesa/swrast/s_readpix.c
@@ -332,7 +332,7 @@ read_rgba_pixels( struct gl_context *ctx,
    /* width should never be > MAX_WIDTH since we did clipping earlier */
    ASSERT(width <= MAX_WIDTH);
 
-   do {
+   {
       const GLint dstStride
          = _mesa_image_row_stride(packing, width, format, type);
       GLfloat (*rgba)[4] = swrast->SpanArrays->attribs[FRAG_ATTRIB_COL0];
@@ -359,7 +359,7 @@ read_rgba_pixels( struct gl_context *ctx,
 
          dst += dstStride;
       }
-   } while (0);
+   }
 }