From: Brian Paul <brianp@vmware.com>
Date: Mon, 15 Jun 2009 22:42:42 +0000 (-0600)
Subject: Merge branch 'arb_map_buffer_range'
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=70d247c69bcef4f40b640ae61e9fb9ebc5887bb6;p=mesa.git

Merge branch 'arb_map_buffer_range'

Conflicts:

	docs/relnotes-7.6.html
	src/mesa/main/mtypes.h
---

70d247c69bcef4f40b640ae61e9fb9ebc5887bb6
diff --cc docs/relnotes-7.6.html
index f53428fe9fa,ff3ce6469b6..3086dd05672
--- a/docs/relnotes-7.6.html
+++ b/docs/relnotes-7.6.html
@@@ -38,9 -38,7 +38,10 @@@ tb
  This was written by Zack Rusin at Tungsten Graphics.
  <li>GL_APPLE_vertex_array_object for Gallium drivers and Intel DRI drivers.
  <li>GL_ARB_copy_buffer extension (supported in Gallium and swrast drivers)
 +<li>rewritten radeon/r200/r300 driver using a buffer manager
 +<li>radeon/r200/r300 EXT_framebuffer_object support when used with kernel memory manager
 +<li>r300 - support for EXT_vertex_array_bgra/EXT_texture_sRGB
+ <LI>GL_ARB_map_buffer_range extension (supported in Gallium and software drivers)
  </ul>
  
  
diff --cc src/mesa/main/bufferobj.c
index c04fa691154,6b228810720..ba19e58cdb7
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@@ -39,15 -39,10 +39,15 @@@
  #include "bufferobj.h"
  
  
 +/* Debug flags */
 +/*#define VBO_DEBUG*/
 +/*#define BOUNDS_CHECK*/
 +
 +
  #ifdef FEATURE_OES_mapbuffer
- #define DEFAULT_ACCESS GL_WRITE_ONLY;
+ #define DEFAULT_ACCESS GL_MAP_WRITE_BIT
  #else
- #define DEFAULT_ACCESS GL_READ_WRITE;
+ #define DEFAULT_ACCESS (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)
  #endif
  
  
@@@ -1168,24 -1208,8 +1231,24 @@@ _mesa_UnmapBufferARB(GLenum target
        return GL_FALSE;
     }
  
 +#ifdef BOUNDS_CHECK
 +   if (bufObj->Access != GL_READ_ONLY_ARB) {
 +      GLubyte *buf = (GLubyte *) bufObj->Pointer;
 +      GLuint i;
 +      /* check that last 100 bytes are still = magic value */
 +      for (i = 0; i < 100; i++) {
 +         GLuint pos = bufObj->Size - i - 1;
 +         if (buf[pos] != 123) {
 +            _mesa_warning(ctx, "Out of bounds buffer object write detected"
 +                          " at position %d (value = %u)\n",
 +                          pos, buf[pos]);
 +         }
 +      }
 +   }
 +#endif
 +
  #ifdef VBO_DEBUG
-    if (bufObj->Access == GL_WRITE_ONLY_ARB) {
+    if (bufObj->AccessFlags & GL_MAP_WRITE_BIT) {
        GLuint i, unchanged = 0;
        GLubyte *b = (GLubyte *) bufObj->Pointer;
        GLint pos = -1;