GPU client side changes for GpuMemoryBuffers

gpu/GLES2/gl2extchromium.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file contains Chromium-specific GLES2 extensions declarations.
 
 #ifndef GPU_GLES2_GL2EXTCHROMIUM_H_
 #define GPU_GLES2_GL2EXTCHROMIUM_H_
 
 #include <GLES2/gl2.h>
@@ skipping 76 matching lines @@
 // TODO(reveman): Get official numbers for this constants.
 #define GL_PIXEL_UNPACK_TRANSFER_BUFFER_BINDING_CHROMIUM 0x78EF
 #define GL_PIXEL_PACK_TRANSFER_BUFFER_BINDING_CHROMIUM 0x78EE
 #endif
 
 #ifndef GL_STREAM_READ
 #define GL_STREAM_READ 0x88E1
 #endif
 #endif  /* GL_CHROMIUM_pixel_transfer_buffer_object */
 
+/* GL_CHROMIUM_gpu_memory_buffer */
+#ifndef GL_CHROMIUM_gpu_memory_buffer
+#define GL_CHROMIUM_gpu_memory_buffer 1

[no sievers, 2013/05/08 21:54:20]

Should this be renamed now that GpuMemoryBuffer is a concept entirely internal
to the GL implementation?

The new GL APIs only uses the term 'Image'.
How about GL_CHROMIUM_map_image?

+
+#ifndef GL_IMAGE_ROWBYTES
+#define GL_IMAGE_ROWBYTES 0x78F0
+#endif
+
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL GLuint GL_APIENTRY glCreateImageCHROMIUM(
+    GLsizei width, GLsizei height);
+GL_APICALL void GL_APIENTRY glDestroyImageCHROMIUM(GLuint image_id);
+GL_APICALL void GL_APIENTRY glGetImageParameterivCHROMIUM(
+    GLuint image_id, GLenum pname, GLint* params);
+GL_APICALL void* GL_APIENTRY glMapImageCHROMIUM(GLuint image_id, GLenum access);
+GL_APICALL GLboolean GL_APIENTRY glUnmapImageCHROMIUM(GLuint image_id);
+#endif
+typedef GLuint (
+    GL_APIENTRYP PFNGLCREATEIMAGECHROMIUMPROC) (GLsizei width, GLsizei height);
+typedef void (
+    GL_APIENTRYP PFNGLDESTROYIMAGECHROMIUMPROC) (GLuint image_id);
+typedef void (
+    GL_APIENTRYP PFNGLGETIMAGEPARAMETERIVCHROMIUMPROC) (
+    GLuint image_id, GLenum pname, GLint* params);
+typedef void* (GL_APIENTRYP PFNGLMAPIMAGECHROMIUMPROC) (
+    GLuint image_id, GLenum access);
+typedef GLboolean (GL_APIENTRYP PFNGLUNMAPIMAGECHROMIUMPROC) (GLuint image_id);
+#endif  /* GL_CHROMIUM_gpu_memory_buffer */
+
 /* GL_CHROMIUM_map_sub */
 #ifndef GL_CHROMIUM_map_sub
 #define GL_CHROMIUM_map_sub 1
 
 #ifndef GL_READ_ONLY
 #define GL_READ_ONLY 0x88B8
 #endif
 
 #ifndef GL_WRITE_ONLY
 #define GL_WRITE_ONLY 0x88B9
@@ skipping 470 matching lines @@
 #endif
 typedef GLuint (GL_APIENTRYP PFNGLINSERTSYNCPOINTCHROMIUMPROC) ();
 typedef void (GL_APIENTRYP PFNGLWAITSYNCPOINTCHROMIUMPROC) (GLuint sync_point);
 #endif  /* GL_CHROMIUM_sync_point */
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif  // GPU_GLES2_GL2EXTCHROMIUM_H_