git update xserver mesa 7 Jun 2011

4 files changed, 459 insertions, 442 deletions

diff --git a/mesalib/Makefile b/mesalib/Makefile
index 7a5dae762..f3c0a20a3 100644
--- a/mesalib/Makefile
+++ b/mesalib/Makefile
@@ -364,12 +364,24 @@ GALLIUM_FILES = \
 	$(DIRECTORY)/src/gallium/*/*/*/*.[ch]				\
 	$(DIRECTORY)/src/gallium/*/*/*/*.py
 
+APPLE_DRI_FILES = \
+	$(DIRECTORY)/src/glx/apple/Makefile 				\
+	$(DIRECTORY)/src/glx/apple/*.[ch]				\
+	$(DIRECTORY)/src/glx/apple/*.tcl				\
+	$(DIRECTORY)/src/glx/apple/apple_exports.list			\
+	$(DIRECTORY)/src/glx/apple/GL_aliases				\
+	$(DIRECTORY)/src/glx/apple/GL_extensions			\
+	$(DIRECTORY)/src/glx/apple/GL_noop				\
+	$(DIRECTORY)/src/glx/apple/GL_promoted				\
+	$(DIRECTORY)/src/glx/apple/specs/*.spec				\
+	$(DIRECTORY)/src/glx/apple/specs/*.tm
 
 DRI_FILES = \
 	$(DIRECTORY)/include/GL/internal/dri_interface.h		\
 	$(DIRECTORY)/include/GL/internal/sarea.h			\
 	$(DIRECTORY)/src/glx/Makefile					\
 	$(DIRECTORY)/src/glx/*.[ch]					\
+	$(APPLE_DRI_FILES)						\
 	$(DIRECTORY)/src/mesa/drivers/dri/Makefile			\
 	$(DIRECTORY)/src/mesa/drivers/dri/Makefile.template		\
 	$(DIRECTORY)/src/mesa/drivers/dri/dri.pc.in			\
diff --git a/mesalib/configs/darwin b/mesalib/configs/darwin
index 990610724..3cf1110b4 100644
--- a/mesalib/configs/darwin
+++ b/mesalib/configs/darwin
@@ -31,18 +31,20 @@ CXXFLAGS =  -ggdb3 -Os -Wall -fno-strict-aliasing \
 	-I$(INSTALL_DIR)/include -I$(X11_DIR)/include $(OPT_FLAGS) $(PIC_FLAGS) $(ARCH_FLAGS) $(ASM_FLAGS) $(DEFINES)
 
 # Library names (actual file names)
-GL_LIB_NAME = libGL.dylib
-GLU_LIB_NAME = libGLU.dylib
-GLUT_LIB_NAME = libglut.dylib
-GLW_LIB_NAME = libGLw.dylib
-OSMESA_LIB_NAME = libOSMesa.dylib
+GL_LIB_NAME = lib$(GL_LIB).dylib
+GLU_LIB_NAME = lib$(GLU_LIB).dylib
+GLUT_LIB_NAME = lib$(GLUT_LIB).dylib
+GLW_LIB_NAME = lib$(GLW_LIB).dylib
+OSMESA_LIB_NAME = lib$(OSMESA_LIB).dylib
+VG_LIB_NAME = lib$(VG_LIB).dylib
 
 # globs used to install the lib and all symlinks
-GL_LIB_GLOB = libGL.*dylib
-GLU_LIB_GLOB = libGLU.*dylib
-GLUT_LIB_GLOB = libglut.*dylib
-GLW_LIB_GLOB = libGLw.*dylib
-OSMESA_LIB_GLOB = libOSMesa.*dylib
+GL_LIB_GLOB = lib$(GL_LIB).*dylib
+GLU_LIB_GLOB = lib$(GLU_LIB).*dylib
+GLUT_LIB_GLOB = lib$(GLUT_LIB).*dylib
+GLW_LIB_GLOB = lib$(GLW_LIB).*dylib
+OSMESA_LIB_GLOB = lib$(OSMESA_LIB).*dylib
+VG_LIB_GLOB = lib$(VG_LIB).*.dylib
 
 GL_LIB_DEPS = -L$(INSTALL_DIR)/$(LIB_DIR) -L$(X11_DIR)/$(LIB_DIR) -lX11 -lXext -lm -lpthread
 OSMESA_LIB_DEPS = -L$(TOP)/$(LIB_DIR) -l$(GL_LIB)
@@ -57,3 +59,5 @@ GLU_DIRS = sgi
 DRIVER_DIRS = osmesa
 #DRIVER_DIRS = dri
 DRI_DIRS = swrast
+GALLIUM_DRIVERS_DIRS = softpipe trace rbug noop identity galahad failover
+#GALLIUM_DRIVERS_DIRS += llvmpipe
diff --git a/mesalib/src/gallium/auxiliary/util/u_debug.h b/mesalib/src/gallium/auxiliary/util/u_debug.h
index e3efac41b..b5ea40506 100644
--- a/mesalib/src/gallium/auxiliary/util/u_debug.h
+++ b/mesalib/src/gallium/auxiliary/util/u_debug.h
@@ -1,431 +1,431 @@
-/**************************************************************************

- * 

- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.

- * 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.

- * 

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

-

-/**

- * @file

- * Cross-platform debugging helpers.

- * 

- * For now it just has assert and printf replacements, but it might be extended 

- * with stack trace reports and more advanced logging in the near future. 

- * 

- * @author Jose Fonseca <jrfonseca@tungstengraphics.com>

- */

-

-#ifndef U_DEBUG_H_

-#define U_DEBUG_H_

-

-

-#include "os/os_misc.h"

-

-

-#ifdef	__cplusplus

-extern "C" {

-#endif

-

-

-#if defined(__GNUC__)

-#define _util_printf_format(fmt, list) __attribute__ ((format (printf, fmt, list)))

-#else

-#define _util_printf_format(fmt, list)

-#endif

-

-void _debug_vprintf(const char *format, va_list ap);

-   

-

-static INLINE void

-_debug_printf(const char *format, ...)

-{

-   va_list ap;

-   va_start(ap, format);

-   _debug_vprintf(format, ap);

-   va_end(ap);

-}

-

-

-/**

- * Print debug messages.

- *

- * The actual channel used to output debug message is platform specific. To

- * avoid misformating or truncation, follow these rules of thumb:

- * - output whole lines

- * - avoid outputing large strings (512 bytes is the current maximum length

- * that is guaranteed to be printed in all platforms)

- */

-#if !defined(PIPE_OS_HAIKU)

-static INLINE void

-debug_printf(const char *format, ...) _util_printf_format(1,2);

-

-static INLINE void

-debug_printf(const char *format, ...)

-{

-#ifdef DEBUG

-   va_list ap;

-   va_start(ap, format);

-   _debug_vprintf(format, ap);

-   va_end(ap);

-#else

-   (void) format; /* silence warning */

-#endif

-}

-

-#endif /* !PIPE_OS_HAIKU */

-

-/*

- * ... isn't portable so we need to pass arguments in parentheses.

- *

- * usage:

- *    debug_printf_once(("awnser: %i\n", 42));

- */

-#define debug_printf_once(args) \

-   do { \

-      static boolean once = TRUE; \

-      if (once) { \

-         once = FALSE; \

-         debug_printf args; \

-      } \

-   } while (0)

-

-

-#ifdef DEBUG

-#define debug_vprintf(_format, _ap) _debug_vprintf(_format, _ap)

-#else

-#define debug_vprintf(_format, _ap) ((void)0)

-#endif

-

-

-#ifdef DEBUG

-/**

- * Dump a blob in hex to the same place that debug_printf sends its

- * messages.

- */

-void debug_print_blob( const char *name, const void *blob, unsigned size );

-

-/* Print a message along with a prettified format string

- */

-void debug_print_format(const char *msg, unsigned fmt );

-#else

-#define debug_print_blob(_name, _blob, _size) ((void)0)

-#define debug_print_format(_msg, _fmt) ((void)0)

-#endif

-

-

-/**

- * Hard-coded breakpoint.

- */

-#ifdef DEBUG

-#define debug_break() os_break()

-#else /* !DEBUG */

-#define debug_break() ((void)0)

-#endif /* !DEBUG */

-

-

-long

-debug_get_num_option(const char *name, long dfault);

-

-void _debug_assert_fail(const char *expr, 

-                        const char *file, 

-                        unsigned line, 

-                        const char *function);

-

-

-/** 

- * Assert macro

- * 

- * Do not expect that the assert call terminates -- errors must be handled 

- * regardless of assert behavior.

- *

- * For non debug builds the assert macro will expand to a no-op, so do not

- * call functions with side effects in the assert expression.

- */

-#ifdef DEBUG

-#define debug_assert(expr) ((expr) ? (void)0 : _debug_assert_fail(#expr, __FILE__, __LINE__, __FUNCTION__))

-#else

-#define debug_assert(expr) do { } while (0 && (expr))

-#endif

-

-

-/** Override standard assert macro */

-#ifdef assert

-#undef assert

-#endif

-#define assert(expr) debug_assert(expr)

-

-

-/**

- * Output the current function name.

- */

-#ifdef DEBUG

-#define debug_checkpoint() \

-   _debug_printf("%s\n", __FUNCTION__)

-#else

-#define debug_checkpoint() \

-   ((void)0) 

-#endif

-

-

-/**

- * Output the full source code position.

- */

-#ifdef DEBUG

-#define debug_checkpoint_full() \

-   _debug_printf("%s:%u:%s", __FILE__, __LINE__, __FUNCTION__) 

-#else

-#define debug_checkpoint_full() \

-   ((void)0) 

-#endif

-

-

-/**

- * Output a warning message. Muted on release version.

- */

-#ifdef DEBUG

-#define debug_warning(__msg) \

-   _debug_printf("%s:%u:%s: warning: %s\n", __FILE__, __LINE__, __FUNCTION__, __msg)

-#else

-#define debug_warning(__msg) \

-   ((void)0) 

-#endif

-

-

-/**

- * Output an error message. Not muted on release version.

- */

-#ifdef DEBUG

-#define debug_error(__msg) \

-   _debug_printf("%s:%u:%s: error: %s\n", __FILE__, __LINE__, __FUNCTION__, __msg) 

-#else

-#define debug_error(__msg) \

-   _debug_printf("error: %s\n", __msg)

-#endif

-

-

-/**

- * Used by debug_dump_enum and debug_dump_flags to describe symbols.

- */

-struct debug_named_value

-{

-   const char *name;

-   unsigned long value;

-   const char *desc;

-};

-

-

-/**

- * Some C pre-processor magic to simplify creating named values.

- * 

- * Example:

- * @code

- * static const debug_named_value my_names[] = {

- *    DEBUG_NAMED_VALUE(MY_ENUM_VALUE_X),

- *    DEBUG_NAMED_VALUE(MY_ENUM_VALUE_Y),

- *    DEBUG_NAMED_VALUE(MY_ENUM_VALUE_Z),

- *    DEBUG_NAMED_VALUE_END

- * };

- * 

- *    ...

- *    debug_printf("%s = %s\n", 

- *                 name,

- *                 debug_dump_enum(my_names, my_value));

- *    ...

- * @endcode

- */

-#define DEBUG_NAMED_VALUE(__symbol) DEBUG_NAMED_VALUE_WITH_DESCRIPTION(__symbol, NULL)

-#define DEBUG_NAMED_VALUE_WITH_DESCRIPTION(__symbol, __desc) {#__symbol, (unsigned long)__symbol, __desc}

-#define DEBUG_NAMED_VALUE_END {NULL, 0, NULL}

-

-

-/**

- * Convert a enum value to a string.

- */

-const char *

-debug_dump_enum(const struct debug_named_value *names, 

-                unsigned long value);

-

-const char *

-debug_dump_enum_noprefix(const struct debug_named_value *names, 

-                         const char *prefix,

-                         unsigned long value);

-

-

-/**

- * Convert binary flags value to a string.

- */

-const char *

-debug_dump_flags(const struct debug_named_value *names, 

-                 unsigned long value);

-

-

-/**

- * Function enter exit loggers

- */

-#ifdef DEBUG

-int debug_funclog_enter(const char* f, const int line, const char* file);

-void debug_funclog_exit(const char* f, const int line, const char* file);

-void debug_funclog_enter_exit(const char* f, const int line, const char* file);

-

-#define DEBUG_FUNCLOG_ENTER() \

-   int __debug_decleration_work_around = \

-      debug_funclog_enter(__FUNCTION__, __LINE__, __FILE__)

-#define DEBUG_FUNCLOG_EXIT() \

-   do { \

-      (void)__debug_decleration_work_around; \

-      debug_funclog_exit(__FUNCTION__, __LINE__, __FILE__); \

-      return; \

-   } while(0)

-#define DEBUG_FUNCLOG_EXIT_RET(ret) \

-   do { \

-      (void)__debug_decleration_work_around; \

-      debug_funclog_exit(__FUNCTION__, __LINE__, __FILE__); \

-      return ret; \

-   } while(0)

-#define DEBUG_FUNCLOG_ENTER_EXIT() \

-   debug_funclog_enter_exit(__FUNCTION__, __LINE__, __FILE__)

-

-#else

-#define DEBUG_FUNCLOG_ENTER() \

-   int __debug_decleration_work_around

-#define DEBUG_FUNCLOG_EXIT() \

-   do { (void)__debug_decleration_work_around; return; } while(0)

-#define DEBUG_FUNCLOG_EXIT_RET(ret) \

-   do { (void)__debug_decleration_work_around; return ret; } while(0)

-#define DEBUG_FUNCLOG_ENTER_EXIT()

-#endif

-

-

-/**

- * Get option.

- * 

- * It is an alias for getenv on Linux. 

- * 

- * On Windows it reads C:\gallium.cfg, which is a text file with CR+LF line 

- * endings with one option per line as

- *  

- *   NAME=value

- * 

- * This file must be terminated with an extra empty line.

- */

-const char *

-debug_get_option(const char *name, const char *dfault);

-

-boolean

-debug_get_bool_option(const char *name, boolean dfault);

-

-long

-debug_get_num_option(const char *name, long dfault);

-

-unsigned long

-debug_get_flags_option(const char *name, 

-                       const struct debug_named_value *flags,

-                       unsigned long dfault);

-

-#define DEBUG_GET_ONCE_BOOL_OPTION(sufix, name, dfault) \

-static boolean \

-debug_get_option_ ## sufix (void) \

-{ \

-   static boolean first = TRUE; \

-   static boolean value; \

-   if (first) { \

-      first = FALSE; \

-      value = debug_get_bool_option(name, dfault); \

-   } \

-   return value; \

-}

-

-#define DEBUG_GET_ONCE_NUM_OPTION(sufix, name, dfault) \

-static long \

-debug_get_option_ ## sufix (void) \

-{ \

-   static boolean first = TRUE; \

-   static long value; \

-   if (first) { \

-      first = FALSE; \

-      value = debug_get_num_option(name, dfault); \

-   } \

-   return value; \

-}

-

-#define DEBUG_GET_ONCE_FLAGS_OPTION(sufix, name, flags, dfault) \

-static unsigned long \

-debug_get_option_ ## sufix (void) \

-{ \

-   static boolean first = TRUE; \

-   static unsigned long value; \

-   if (first) { \

-      first = FALSE; \

-      value = debug_get_flags_option(name, flags, dfault); \

-   } \

-   return value; \

-}

-

-

-unsigned long

-debug_memory_begin(void);

-

-void 

-debug_memory_end(unsigned long beginning);

-

-

-#ifdef DEBUG

-struct pipe_context;

-struct pipe_surface;

-struct pipe_transfer;

-struct pipe_resource;

-

-void debug_dump_image(const char *prefix,

-                      unsigned format, unsigned cpp,

-                      unsigned width, unsigned height,

-                      unsigned stride,

-                      const void *data);

-void debug_dump_surface(struct pipe_context *pipe,

-			const char *prefix,

-                        struct pipe_surface *surface);   

-void debug_dump_texture(struct pipe_context *pipe,

-			const char *prefix,

-                        struct pipe_resource *texture);

-void debug_dump_surface_bmp(struct pipe_context *pipe,

-                            const char *filename,

-                            struct pipe_surface *surface);

-void debug_dump_transfer_bmp(struct pipe_context *pipe,

-                             const char *filename,

-                             struct pipe_transfer *transfer);

-void debug_dump_float_rgba_bmp(const char *filename,

-                               unsigned width, unsigned height,

-                               float *rgba, unsigned stride);

-#else

-#define debug_dump_image(prefix, format, cpp, width, height, stride, data) ((void)0)

-#define debug_dump_surface(pipe, prefix, surface) ((void)0)

-#define debug_dump_surface_bmp(pipe, filename, surface) ((void)0)

-#define debug_dump_transfer_bmp(filename, transfer) ((void)0)

-#define debug_dump_float_rgba_bmp(filename, width, height, rgba, stride) ((void)0)

-#endif

-

-

-#ifdef	__cplusplus

-}

-#endif

-

-#endif /* U_DEBUG_H_ */

+/**************************************************************************
+ * 
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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.
+ * 
+ **************************************************************************/
+
+/**
+ * @file
+ * Cross-platform debugging helpers.
+ * 
+ * For now it just has assert and printf replacements, but it might be extended 
+ * with stack trace reports and more advanced logging in the near future. 
+ * 
+ * @author Jose Fonseca <jrfonseca@tungstengraphics.com>
+ */
+
+#ifndef U_DEBUG_H_
+#define U_DEBUG_H_
+
+
+#include "os/os_misc.h"
+
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+
+#if defined(__GNUC__)
+#define _util_printf_format(fmt, list) __attribute__ ((format (printf, fmt, list)))
+#else
+#define _util_printf_format(fmt, list)
+#endif
+
+void _debug_vprintf(const char *format, va_list ap);
+   
+
+static INLINE void
+_debug_printf(const char *format, ...)
+{
+   va_list ap;
+   va_start(ap, format);
+   _debug_vprintf(format, ap);
+   va_end(ap);
+}
+
+
+/**
+ * Print debug messages.
+ *
+ * The actual channel used to output debug message is platform specific. To
+ * avoid misformating or truncation, follow these rules of thumb:
+ * - output whole lines
+ * - avoid outputing large strings (512 bytes is the current maximum length
+ * that is guaranteed to be printed in all platforms)
+ */
+#if !defined(PIPE_OS_HAIKU)
+static INLINE void
+debug_printf(const char *format, ...) _util_printf_format(1,2);
+
+static INLINE void
+debug_printf(const char *format, ...)
+{
+#ifdef DEBUG
+   va_list ap;
+   va_start(ap, format);
+   _debug_vprintf(format, ap);
+   va_end(ap);
+#else
+   (void) format; /* silence warning */
+#endif
+}
+
+#endif /* !PIPE_OS_HAIKU */
+
+/*
+ * ... isn't portable so we need to pass arguments in parentheses.
+ *
+ * usage:
+ *    debug_printf_once(("awnser: %i\n", 42));
+ */
+#define debug_printf_once(args) \
+   do { \
+      static boolean once = TRUE; \
+      if (once) { \
+         once = FALSE; \
+         debug_printf args; \
+      } \
+   } while (0)
+
+
+#ifdef DEBUG
+#define debug_vprintf(_format, _ap) _debug_vprintf(_format, _ap)
+#else
+#define debug_vprintf(_format, _ap) ((void)0)
+#endif
+
+
+#ifdef DEBUG
+/**
+ * Dump a blob in hex to the same place that debug_printf sends its
+ * messages.
+ */
+void debug_print_blob( const char *name, const void *blob, unsigned size );
+
+/* Print a message along with a prettified format string
+ */
+void debug_print_format(const char *msg, unsigned fmt );
+#else
+#define debug_print_blob(_name, _blob, _size) ((void)0)
+#define debug_print_format(_msg, _fmt) ((void)0)
+#endif
+
+
+/**
+ * Hard-coded breakpoint.
+ */
+#ifdef DEBUG
+#define debug_break() os_break()
+#else /* !DEBUG */
+#define debug_break() ((void)0)
+#endif /* !DEBUG */
+
+
+long
+debug_get_num_option(const char *name, long dfault);
+
+void _debug_assert_fail(const char *expr, 
+                        const char *file, 
+                        unsigned line, 
+                        const char *function);
+
+
+/** 
+ * Assert macro
+ * 
+ * Do not expect that the assert call terminates -- errors must be handled 
+ * regardless of assert behavior.
+ *
+ * For non debug builds the assert macro will expand to a no-op, so do not
+ * call functions with side effects in the assert expression.
+ */
+#ifdef DEBUG
+#define debug_assert(expr) ((expr) ? (void)0 : _debug_assert_fail(#expr, __FILE__, __LINE__, __FUNCTION__))
+#else
+#define debug_assert(expr) do { } while (0 && (expr))
+#endif
+
+
+/** Override standard assert macro */
+#ifdef assert
+#undef assert
+#endif
+#define assert(expr) debug_assert(expr)
+
+
+/**
+ * Output the current function name.
+ */
+#ifdef DEBUG
+#define debug_checkpoint() \
+   _debug_printf("%s\n", __FUNCTION__)
+#else
+#define debug_checkpoint() \
+   ((void)0) 
+#endif
+
+
+/**
+ * Output the full source code position.
+ */
+#ifdef DEBUG
+#define debug_checkpoint_full() \
+   _debug_printf("%s:%u:%s\n", __FILE__, __LINE__, __FUNCTION__)
+#else
+#define debug_checkpoint_full() \
+   ((void)0) 
+#endif
+
+
+/**
+ * Output a warning message. Muted on release version.
+ */
+#ifdef DEBUG
+#define debug_warning(__msg) \
+   _debug_printf("%s:%u:%s: warning: %s\n", __FILE__, __LINE__, __FUNCTION__, __msg)
+#else
+#define debug_warning(__msg) \
+   ((void)0) 
+#endif
+
+
+/**
+ * Output an error message. Not muted on release version.
+ */
+#ifdef DEBUG
+#define debug_error(__msg) \
+   _debug_printf("%s:%u:%s: error: %s\n", __FILE__, __LINE__, __FUNCTION__, __msg) 
+#else
+#define debug_error(__msg) \
+   _debug_printf("error: %s\n", __msg)
+#endif
+
+
+/**
+ * Used by debug_dump_enum and debug_dump_flags to describe symbols.
+ */
+struct debug_named_value
+{
+   const char *name;
+   unsigned long value;
+   const char *desc;
+};
+
+
+/**
+ * Some C pre-processor magic to simplify creating named values.
+ * 
+ * Example:
+ * @code
+ * static const debug_named_value my_names[] = {
+ *    DEBUG_NAMED_VALUE(MY_ENUM_VALUE_X),
+ *    DEBUG_NAMED_VALUE(MY_ENUM_VALUE_Y),
+ *    DEBUG_NAMED_VALUE(MY_ENUM_VALUE_Z),
+ *    DEBUG_NAMED_VALUE_END
+ * };
+ * 
+ *    ...
+ *    debug_printf("%s = %s\n", 
+ *                 name,
+ *                 debug_dump_enum(my_names, my_value));
+ *    ...
+ * @endcode
+ */
+#define DEBUG_NAMED_VALUE(__symbol) DEBUG_NAMED_VALUE_WITH_DESCRIPTION(__symbol, NULL)
+#define DEBUG_NAMED_VALUE_WITH_DESCRIPTION(__symbol, __desc) {#__symbol, (unsigned long)__symbol, __desc}
+#define DEBUG_NAMED_VALUE_END {NULL, 0, NULL}
+
+
+/**
+ * Convert a enum value to a string.
+ */
+const char *
+debug_dump_enum(const struct debug_named_value *names, 
+                unsigned long value);
+
+const char *
+debug_dump_enum_noprefix(const struct debug_named_value *names, 
+                         const char *prefix,
+                         unsigned long value);
+
+
+/**
+ * Convert binary flags value to a string.
+ */
+const char *
+debug_dump_flags(const struct debug_named_value *names, 
+                 unsigned long value);
+
+
+/**
+ * Function enter exit loggers
+ */
+#ifdef DEBUG
+int debug_funclog_enter(const char* f, const int line, const char* file);
+void debug_funclog_exit(const char* f, const int line, const char* file);
+void debug_funclog_enter_exit(const char* f, const int line, const char* file);
+
+#define DEBUG_FUNCLOG_ENTER() \
+   int __debug_decleration_work_around = \
+      debug_funclog_enter(__FUNCTION__, __LINE__, __FILE__)
+#define DEBUG_FUNCLOG_EXIT() \
+   do { \
+      (void)__debug_decleration_work_around; \
+      debug_funclog_exit(__FUNCTION__, __LINE__, __FILE__); \
+      return; \
+   } while(0)
+#define DEBUG_FUNCLOG_EXIT_RET(ret) \
+   do { \
+      (void)__debug_decleration_work_around; \
+      debug_funclog_exit(__FUNCTION__, __LINE__, __FILE__); \
+      return ret; \
+   } while(0)
+#define DEBUG_FUNCLOG_ENTER_EXIT() \
+   debug_funclog_enter_exit(__FUNCTION__, __LINE__, __FILE__)
+
+#else
+#define DEBUG_FUNCLOG_ENTER() \
+   int __debug_decleration_work_around
+#define DEBUG_FUNCLOG_EXIT() \
+   do { (void)__debug_decleration_work_around; return; } while(0)
+#define DEBUG_FUNCLOG_EXIT_RET(ret) \
+   do { (void)__debug_decleration_work_around; return ret; } while(0)
+#define DEBUG_FUNCLOG_ENTER_EXIT()
+#endif
+
+
+/**
+ * Get option.
+ * 
+ * It is an alias for getenv on Linux. 
+ * 
+ * On Windows it reads C:\gallium.cfg, which is a text file with CR+LF line 
+ * endings with one option per line as
+ *  
+ *   NAME=value
+ * 
+ * This file must be terminated with an extra empty line.
+ */
+const char *
+debug_get_option(const char *name, const char *dfault);
+
+boolean
+debug_get_bool_option(const char *name, boolean dfault);
+
+long
+debug_get_num_option(const char *name, long dfault);
+
+unsigned long
+debug_get_flags_option(const char *name, 
+                       const struct debug_named_value *flags,
+                       unsigned long dfault);
+
+#define DEBUG_GET_ONCE_BOOL_OPTION(sufix, name, dfault) \
+static boolean \
+debug_get_option_ ## sufix (void) \
+{ \
+   static boolean first = TRUE; \
+   static boolean value; \
+   if (first) { \
+      first = FALSE; \
+      value = debug_get_bool_option(name, dfault); \
+   } \
+   return value; \
+}
+
+#define DEBUG_GET_ONCE_NUM_OPTION(sufix, name, dfault) \
+static long \
+debug_get_option_ ## sufix (void) \
+{ \
+   static boolean first = TRUE; \
+   static long value; \
+   if (first) { \
+      first = FALSE; \
+      value = debug_get_num_option(name, dfault); \
+   } \
+   return value; \
+}
+
+#define DEBUG_GET_ONCE_FLAGS_OPTION(sufix, name, flags, dfault) \
+static unsigned long \
+debug_get_option_ ## sufix (void) \
+{ \
+   static boolean first = TRUE; \
+   static unsigned long value; \
+   if (first) { \
+      first = FALSE; \
+      value = debug_get_flags_option(name, flags, dfault); \
+   } \
+   return value; \
+}
+
+
+unsigned long
+debug_memory_begin(void);
+
+void 
+debug_memory_end(unsigned long beginning);
+
+
+#ifdef DEBUG
+struct pipe_context;
+struct pipe_surface;
+struct pipe_transfer;
+struct pipe_resource;
+
+void debug_dump_image(const char *prefix,
+                      unsigned format, unsigned cpp,
+                      unsigned width, unsigned height,
+                      unsigned stride,
+                      const void *data);
+void debug_dump_surface(struct pipe_context *pipe,
+			const char *prefix,
+                        struct pipe_surface *surface);   
+void debug_dump_texture(struct pipe_context *pipe,
+			const char *prefix,
+                        struct pipe_resource *texture);
+void debug_dump_surface_bmp(struct pipe_context *pipe,
+                            const char *filename,
+                            struct pipe_surface *surface);
+void debug_dump_transfer_bmp(struct pipe_context *pipe,
+                             const char *filename,
+                             struct pipe_transfer *transfer);
+void debug_dump_float_rgba_bmp(const char *filename,
+                               unsigned width, unsigned height,
+                               float *rgba, unsigned stride);
+#else
+#define debug_dump_image(prefix, format, cpp, width, height, stride, data) ((void)0)
+#define debug_dump_surface(pipe, prefix, surface) ((void)0)
+#define debug_dump_surface_bmp(pipe, filename, surface) ((void)0)
+#define debug_dump_transfer_bmp(filename, transfer) ((void)0)
+#define debug_dump_float_rgba_bmp(filename, width, height, rgba, stride) ((void)0)
+#endif
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* U_DEBUG_H_ */
diff --git a/mesalib/src/mesa/state_tracker/st_cb_fbo.c b/mesalib/src/mesa/state_tracker/st_cb_fbo.c
index 64424f776..5b9e20374 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_fbo.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_fbo.c
@@ -270,7 +270,8 @@ st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw)
       strb->Base.InternalFormat = GL_STENCIL_INDEX8_EXT;
       break;
    case PIPE_FORMAT_R16G16B16A16_SNORM:
-      strb->Base.InternalFormat = GL_RGBA16;
+      /* accum buffer */
+      strb->Base.InternalFormat = GL_RGBA16_SNORM;
       break;
    case PIPE_FORMAT_R8_UNORM:
       strb->Base.InternalFormat = GL_R8;