gpu: Add CHROMIUM_gpu_memory_buffer_image extension.

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 85 matching lines @@
 #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_image */
-#ifndef GL_CHROMIUM_map_image
-#define GL_CHROMIUM_map_image 1
+#ifndef GL_CHROMIUM_image
+#define GL_CHROMIUM_image 1
 
 #ifndef GL_IMAGE_ROWBYTES_CHROMIUM
 #define GL_IMAGE_ROWBYTES_CHROMIUM 0x78F0
 #endif
 
 #ifndef GL_IMAGE_MAP_CHROMIUM
 #define GL_IMAGE_MAP_CHROMIUM 0x78F1
 #endif
 
 #ifndef GL_IMAGE_SCANOUT_CHROMIUM
 #define GL_IMAGE_SCANOUT_CHROMIUM 0x78F2
 #endif
 
 #ifdef GL_GLEXT_PROTOTYPES
 GL_APICALL GLuint GL_APIENTRY glCreateImageCHROMIUM(GLsizei width,
                                                     GLsizei height,
                                                     GLenum internalformat,
                                                     GLenum usage);
 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);
 GL_APICALL void GL_APIENTRY glUnmapImageCHROMIUM(GLuint image_id);
 #endif
 typedef GLuint(GL_APIENTRYP PFNGLCREATEIMAGECHROMIUMPROC)(
     GLsizei width,
     GLsizei height,
-    GLenum internalformat);
+    GLenum internalformat,
+    GLenum usage);
 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 void (GL_APIENTRYP PFNGLUNMAPIMAGECHROMIUMPROC) (GLuint image_id);
-#endif  /* GL_CHROMIUM_map_image */
+    GL_APIENTRYP PFNGLDESTROYIMAGECHROMIUMPROC)(GLuint image_id);
+typedef void* (GL_APIENTRYP PFNGLMAPIMAGECHROMIUMPROC)(GLuint image_id);
+typedef void (GL_APIENTRYP PFNGLUNMAPIMAGECHROMIUMPROC)(GLuint image_id);
+#endif  /* GL_CHROMIUM_image */
+
+  /* GL_CHROMIUM_gpu_memory_buffer_image */
+#ifndef GL_CHROMIUM_gpu_memory_buffer_image
+#define GL_CHROMIUM_gpu_memory_buffer_image 1
+
+#ifndef GL_MAP_CHROMIUM
+#define GL_MAP_CHROMIUM 0x78F1
+#endif
+
+#ifndef GL_SCANOUT_CHROMIUM
+#define GL_SCANOUT_CHROMIUM 0x78F2
+#endif
+
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL GLuint GL_APIENTRY glCreateGpuMemoryBufferImageCHROMIUM(
+    GLsizei width,
+    GLsizei height,
+    GLenum internalformat,
+    GLenum usage);
+#endif
+typedef GLuint(GL_APIENTRYP PFNGLCREATEGPUMEMORYBUFFERIMAGECHROMIUMPROC) (
+    GLsizei width,
+    GLsizei height,
+    GLenum internalformat,
+    GLenum usage);
+#endif  /* GL_CHROMIUM_gpu_memory_buffer_image */
 
 /* 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
@@ skipping 576 matching lines @@
 typedef void(GL_APIENTRYP PFNGLMATRIXLOADIDENTITYCHROMIUMPROC)(
     GLenum matrixMode);
 
 #endif /* GL_CHROMIUM_path_rendering */
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif  // GPU_GLES2_GL2EXTCHROMIUM_H_