Extract Chromium-specific parts out of third_party/khronos/GLES2 .

third_party/khronos/GLES2/gl2ext.h

Index: third_party/khronos/GLES2/gl2ext.h
diff --git a/third_party/khronos/GLES2/gl2ext.h b/third_party/khronos/GLES2/gl2ext.h
index 6cbca97904b9a1cee2f5afb100a3fd13f1e82473..8594adc3ee1f9007982f93fbff77dd8ceddc95be 100644
--- a/third_party/khronos/GLES2/gl2ext.h
+++ b/third_party/khronos/GLES2/gl2ext.h
@@ -1805,385 +1805,10 @@ typedef void (GL_APIENTRYP PFNGLENDTILINGQCOMPROC) (GLbitfield preserveMask);
 #define GL_VIV_shader_binary 1
 #endif
 
-/* GL_EXT_framebuffer_multisample */
-#ifndef GL_EXT_framebuffer_multisample
-#define GL_EXT_framebuffer_multisample 1
-
-#ifndef GL_DRAW_FRAMEBUFFER_BINDING
-#define GL_DRAW_FRAMEBUFFER_BINDING 0x8CA6
-#endif
-#ifndef GL_DRAW_FRAMEBUFFER_BINDING_EXT
-#define GL_DRAW_FRAMEBUFFER_BINDING_EXT GL_DRAW_FRAMEBUFFER_BINDING
-#endif
-#ifndef GL_FRAMEBUFFER_BINDING
-#define GL_FRAMEBUFFER_BINDING 0x8CA6
-#endif
-#ifndef GL_FRAMEBUFFER_BINDING_EXT
-#define GL_FRAMEBUFFER_BINDING_EXT GL_FRAMEBUFFER_BINDING
-#endif
-#ifndef GL_RENDERBUFFER_BINDING
-#define GL_RENDERBUFFER_BINDING 0x8CA7
-#endif
-#ifndef GL_RENDERBUFFER_BINDING_EXT
-#define GL_RENDERBUFFER_BINDING_EXT GL_RENDERBUFFER_BINDING
-#endif
-#ifndef GL_READ_FRAMEBUFFER
-#define GL_READ_FRAMEBUFFER 0x8CA8
-#endif
-#ifndef GL_READ_FRAMEBUFFER_EXT
-#define GL_READ_FRAMEBUFFER_EXT GL_READ_FRAMEBUFFER
-#endif
-#ifndef GL_DRAW_FRAMEBUFFER
-#define GL_DRAW_FRAMEBUFFER 0x8CA9
-#endif
-#ifndef GL_DRAW_FRAMEBUFFER_EXT
-#define GL_DRAW_FRAMEBUFFER_EXT GL_DRAW_FRAMEBUFFER
-#endif
-#ifndef GL_READ_FRAMEBUFFER_BINDING
-#define GL_READ_FRAMEBUFFER_BINDING 0x8CAA
-#endif
-#ifndef GL_READ_FRAMEBUFFER_BINDING_EXT
-#define GL_READ_FRAMEBUFFER_BINDING_EXT GL_READ_FRAMEBUFFER_BINDING
-#endif
-#ifndef GL_RENDERBUFFER_SAMPLES
-#define GL_RENDERBUFFER_SAMPLES 0x8CAB
-#endif
-#ifndef GL_RENDERBUFFER_SAMPLES_EXT
-#define GL_RENDERBUFFER_SAMPLES_EXT GL_RENDERBUFFER_SAMPLES
-#endif
-#ifndef GL_MAX_SAMPLES
-#define GL_MAX_SAMPLES 0x8D57
-#endif
-#ifndef GL_MAX_SAMPLES_EXT
-#define GL_MAX_SAMPLES_EXT GL_MAX_SAMPLES
-#endif
-#ifndef GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE
-#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE 0x8D56
-#endif
-#ifndef GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT
-#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE
-#endif
-
-#if 0  // Defined in GL_EXT_multisampled_render_to_texture
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glRenderbufferStorageMultisampleEXT (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
-#endif
-typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
-#endif
-#endif
-
-#ifndef GL_EXT_framebuffer_blit
-#define GL_EXT_framebuffer_blit 1
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glBlitFramebufferEXT (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
-#endif
-typedef void (GL_APIENTRYP PFNGLBLITFRAMEBUFFEREXTPROC) (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
-#endif
-
-/* 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
-#endif
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void* GL_APIENTRY glMapBufferSubDataCHROMIUM (GLuint target, GLintptr offset, GLsizeiptr size, GLenum access);
-GL_APICALL void  GL_APIENTRY glUnmapBufferSubDataCHROMIUM (const void* mem);
-GL_APICALL void* GL_APIENTRY glMapTexSubImage2DCHROMIUM (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLenum access);
-GL_APICALL void  GL_APIENTRY glUnmapTexSubImage2DCHROMIUM (const void* mem);
-#endif
-typedef void* (GL_APIENTRYP PFNGLMAPBUFFERSUBDATACHROMIUM) (GLuint target, GLintptr offset, GLsizeiptr size, GLenum access);
-typedef void  (GL_APIENTRYP PFNGLUNMAPBUFFERSUBDATACHROMIUM) (const void* mem);
-typedef void* (GL_APIENTRYP PFNGLMAPTEXSUBIMAGE2DCHROMIUM) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLenum access);
-typedef void  (GL_APIENTRYP PFNGLUNMAPTEXSUBIMAGE2DCHROMIUM) (const void* mem);
-#endif
-
-/* GL_CHROMIUM_resize */
-#ifndef GL_CHROMIUM_resize
-#define GL_CHROMIUM_resize 1
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glResizeCHROMIUM (GLuint width, GLuint height);
-#endif
-typedef void (GL_APIENTRYP PFNGLRESIZECHROMIUM) (GLuint width, GLuint height);
-#endif
-
-/* GL_CHROMIUM_request_extension */
-/*
- * This extension allows other extensions to be turned on at run time.
- *
- * glGetRequestableExtensionsCHROMIUM returns a space-separated and
- * null-terminated string containing all of the extension names that
- * can be successfully requested on the current hardware. This may
- * include the names of extensions that have already been enabled.
- *
- * glRequestExtensionCHROMIUM requests that the given extension be
- * enabled. Call glGetString(GL_EXTENSIONS) to find out whether the
- * extension request succeeded.
- */
-#ifndef GL_CHROMIUM_request_extension
-#define GL_CHROMIUM_request_extension 1
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL const GLchar* GL_APIENTRY glGetRequestableExtensionsCHROMIUM (void);
-GL_APICALL void GL_APIENTRY glRequestExtensionCHROMIUM (const GLchar *extension);
-#endif
-typedef const GLchar* (GL_APIENTRYP PFNGLGETREQUESTABLEEXTENSIONSCHROMIUM) (void);
-typedef void (GL_APIENTRYP PFNGLREQUESTEXTENSIONCHROMIUM) (const GLchar *extension);
-#endif
-
-/* GL_CHROMIUM_rate_limit_offscreen_context */
-/*
- * This extension will block if the calling context has gotten more than two
- * glRateLimit calls ahead of the GPU process. This keeps the client in sync
- * with the GPU without having to call swapbuffers, which has potentially
- * undesirable side effects.
- */
-#ifndef GL_CHROMIUM_rate_limit_offscreen_context
-#define GL_CHROMIUM_rate_limit_offscreen_context 1
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glRateLimitOffscreenContextCHROMIUM (void);
-#endif
-typedef void (GL_APIENTRYP PFNGLRATELIMITOFFSCREENCONTEXTCHROMIUM) ();
-#endif
-
-/* GL_CHROMIUM_get_multiple */
-/*
- * This extension provides functions for quering multiple GL state with a single
- * call.
- */
-#ifndef GL_CHROMIUM_get_multiple
-#define GL_CHROMIUM_get_multiple 1
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glGetMultipleIntegervCHROMIUM (const GLenum* pnames, GLuint count, GLint* results, GLsizeiptr size);
-GL_APICALL void GL_APIENTRY glGetProgramInfoCHROMIUM (GLuint program, GLsizei bufsize, GLsizei* size, void* info);
-#endif
-typedef void (GL_APIENTRYP PFNGLGETMULTIPLEINTEGERVCHROMIUM) ();
-typedef void (GL_APIENTRYP PFNGLGETPROGRAMINFOCHROMIUM) ();
-#endif
-
-/* GL_CHROMIUM_flipy */
-/*
- * This extension provides GL_UNPACK_FLIP_Y_CHROMIUM as a parameter to
- * glPixelStorei. When true images submitted to glTexImage2D and glTexSubImage2D
- * are flipped vertically.
- */
-#ifndef GL_CHROMIUM_flipy
-#define GL_CHROMIUM_flipy 1
-#define GL_UNPACK_FLIP_Y_CHROMIUM 0x9240
-#endif
-
-/* GL_CHROMIUM_texture_compression_dxt3 */
-#ifndef GL_CHROMIUM_texture_compression_dxt3
-#define GL_CHROMIUM_texture_compression_dxt3 1
-#define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT  0x83F2
-#endif
-
-/* GL_CHROMIUM_texture_compression_dxt5 */
-#ifndef GL_CHROMIUM_texture_compression_dxt5
-#define GL_CHROMIUM_texture_compression_dxt5 1
-#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT  0x83F3
-#endif
-
-/* GL_CHROMIUM_enable_feature */
-#ifndef GL_CHROMIUM_enable_feature
-#define GL_CHROMIUM_enable_feature 1
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL GLboolean GL_APIENTRY glEnableFeatureCHROMIUM (const GLchar *feature);
-#endif
-typedef void (GL_APIENTRYP PFNGLENABLEFEATURECHROMIUM) (const GLchar *feature);
-#endif
-
-/* GL_CHROMIUM_post_sub_buffer */
-/* This extension is modeled after EGL_NV_post_sub_buffer and
- * GLX_MESA_copy_sub_buffer. It's like a SwapBuffers, but it pushes a region
- * of the back buffer to the front buffer.
- */
-#ifndef GL_CHROMIUM_post_sub_buffer
-#define GL_CHROMIUM_post_sub_buffer 1
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glPostSubBufferCHROMIUM (GLint x, GLint y, GLint width, GLint height);
-#endif
-typedef void (GL_APIENTRYP PFNGLPOSTSUBBUFFERCHROMIUM) (GLint x, GLint y, GLint width, GLint height);
-#endif
-
-/* GL_CHROMIUM_front_buffer_cached */
-/* This extension implies that there is a cache of the front buffer of the
- * surface supporting this extension (e.g. on OSX the front buffer
- * is often backed by an IOSurface). Hence we do not need to redraw
- * (via a SwapBuffers) in order to display the last frame.
- */
-#ifndef GL_CHROMIUM_front_buffer_cached
-#define GL_CHROMIUM_front_buffer_cached 1
-#endif
-
-/* GL_CHROMIUM_gpu_memory_manager */
-/* This extension provides a mechanism for indicating to the implementation
-   which textures may be discarded by the client based on the recommendations
-   of the implementation's memory allocation changed callback (e.g, compositor
-   tiles), and which texture will not be discarded (e.g, WebGL textures). */
-#ifndef GL_CHROMIUM_gpu_memory_manager
-#define GL_CHROMIUM_gpu_memory_manager 1
-#define GL_TEXTURE_POOL_CHROMIUM           0x6000
-#define GL_TEXTURE_POOL_MANAGED_CHROMIUM   0x6001
-#define GL_TEXTURE_POOL_UNMANAGED_CHROMIUM 0x6002
-#endif
-
-/* GL_ARB_robustness */
-/* This extension is subsetted for the moment, incorporating only the
- * enums necessary to describe the reasons that we might encounter for
- * losing the context. The entry point querying the reset status is
- * not yet incorporated; to do so, a spec will be needed of a GLES2
- * subset of GL_ARB_robustness.
- */
-#ifndef GL_ARB_robustness
-#define GL_ARB_robustness 1
-#ifndef GL_GUILTY_CONTEXT_RESET_ARB
-#define GL_GUILTY_CONTEXT_RESET_ARB 0x8253
-#endif
-#ifndef GL_INNOCENT_CONTEXT_RESET_ARB
-#define GL_INNOCENT_CONTEXT_RESET_ARB 0x8254
-#endif
-#ifndef GL_UNKNOWN_CONTEXT_RESET_ARB
-#define GL_UNKNOWN_CONTEXT_RESET_ARB 0x8255
-#endif
-#endif
-
-/* GL_ARB_texture_rectangle */
-/* Exposes only the subset necessary to support GL_CHROMIUM_iosurface.
- */
-#ifndef GL_ARB_texture_rectangle
-#define GL_ARB_texture_rectangle 1
-#ifndef GL_TEXTURE_RECTANGLE_ARB
-#define GL_TEXTURE_RECTANGLE_ARB 0x84F5
-#endif
-#ifndef GL_TEXTURE_BINDING_RECTANGLE_ARB
-#define GL_TEXTURE_BINDING_RECTANGLE_ARB 0x84F6
-#endif
-#ifndef GL_SAMPLER_2D_RECT_ARB
-#define GL_SAMPLER_2D_RECT_ARB 0x8B63
-#endif
-#endif
-
-/* GL_CHROMIUM_iosurface */
-/* Exposes the Mac OS-specfic CGLTexImageIOSurface2D entry point as a
- * Chromium extension in the cross-platform API. Binds the IOSurface with
- * the given ID (an IOSurfaceID) to the texture bound to the given target.
- * To avoid needing to expose extraneous enums, assumes internal format
- * RGBA, format BGRA, and type UNSIGNED_INT_8_8_8_8_REV.
- */
-#ifndef GL_CHROMIUM_iosurface
-#define GL_CHROMIUM_iosurface 1
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glTexImageIOSurface2DCHROMIUM (GLenum target, GLsizei width, GLsizei height, GLuint ioSurfaceId, GLuint plane);
-#endif
-typedef void (GL_APIENTRYP PFNGLTEXIMAGEIOSURFACE2DCHROMIUM) (GLenum target, GLsizei width, GLsizei height, GLuint ioSurfaceId, GLuint plane);
-#endif
-
-/* GL_CHROMIUM_copy_texture */
-#ifndef GL_CHROMIUM_copy_texture
-#ifndef GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM
-#define GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM 0x9241
-#endif
-#ifndef GL_UNPACK_UNPREMULTIPLY_ALPHA_CHROMIUM
-#define GL_UNPACK_UNPREMULTIPLY_ALPHA_CHROMIUM 0x9242
-#endif
-#ifndef GL_UNPACK_COLORSPACE_CONVERSION_CHROMIUM
-#define GL_UNPACK_COLORSPACE_CONVERSION_CHROMIUM 0x9243
-#endif
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glCopyTextureCHROMIUM (GLenum target, GLenum source_id, GLenum dest_id, GLint level, GLint internal_format);
-#endif
-typedef void (GL_APIENTRYP PFNGLCOPYTEXTURECHROMIUM) (GLenum target, GLenum source_id, GLenum dest_id, GLint level, GLint internal_format);
-#endif
-
-/* GL_CHROMIUM_command_buffer_query */
-/* Exposes GL_CHROMIUM_command_buffer_query.
- */
-#ifndef GL_CHROMIUM_command_buffer_query
-#define GL_CHROMIUM_command_buffer_query 1
-// TODO(gman): Get official numbers for these constants.
-#define GL_COMMANDS_ISSUED_CHROMIUM 0x84F2
-#endif
-
-/* GL_CHROMIUM_get_error_query */
-/* Exposes GL_CHROMIUM_get_error_query.
- */
-#ifndef GL_CHROMIUM_get_error_query
-#define GL_CHROMIUM_get_error_query 1
-// TODO(gman): Get official numbers for these constants.
-#define GL_GET_ERROR_QUERY_CHROMIUM 0x84F3
-#endif
-
-/* GL_CHROMIUM_command_buffer_latency_query */
-#ifndef GL_CHROMIUM_command_buffer_latency_query
-#define GL_CHROMIUM_command_buffer_latency_query 1
-// TODO: Get official numbers for these constants.
-#define GL_LATENCY_QUERY_CHROMIUM 0x84F4
-#endif
-
-/* GL_CHROMIUM_texture_mailbox */
-#ifndef GL_CHROMIUM_texture_mailbox
-#define GL_CHROMIUM_texture_mailbox 1
-#define GL_MAILBOX_SIZE_CHROMIUM 64
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glGenMailboxCHROMIUM (GLbyte* mailbox);
-GL_APICALL void GL_APIENTRY glProduceTextureCHROMIUM (GLenum target, const GLbyte* mailbox);
-GL_APICALL void GL_APIENTRY glConsumeTextureCHROMIUM (GLenum target, const  GLbyte* mailbox);
-#endif
-typedef void (GL_APIENTRYP PFNGLGENMAILBOXCHROMIUM) (GLbyte* mailbox);
-typedef void (GL_APIENTRYP PFNGLPRODUCETEXTURECHROMIUM) (GLenum target, const GLbyte* mailbox);
-typedef void (GL_APIENTRYP PFNGLCONSUMETEXTURECHROMIUM) (GLenum target, const  GLbyte* mailbox);
-#endif
-
-/* GL_CHROMIUM_bind_uniform_location */
-#ifndef GL_CHROMIUM_bind_uniform_location
-#define GL_CHROMIUM_bind_uniform_location 1
-
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glBindUniformLocationCHROMIUM (GLuint program, GLint location, const GLchar* name);
-#endif
-typedef void (GL_APIENTRYP PFNGLBINDUNIFORMLOCATIONCHROMIUM) (GLuint program, GLint location, const GLchar* name);
-#endif
-
-/* GL_CHROMIUM_texture_from_image */
-#ifndef GL_CHROMIUM_texture_from_image
-#define GL_CHROMIUM_texture_from_image 1
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glBindTexImage2DCHROMIUM (GLenum target, GLint imageId);
-GL_APICALL void GL_APIENTRY glReleaseTexImage2DCHROMIUM (GLenum target, GLint imageId);
-#endif
-typedef void (GL_APIENTRYP PFNGLBINDTEXIMAGE2DCHROMIUM) (GLenum target, GLint imageId);
-typedef void (GL_APIENTRYP PFNGLRELEASETEXIMAGE2DCHROMIUM) (GLenum target, GLint imageId);
-#endif
-
-/* GL_CHROMIUM_pixel_transfer_buffer_object */
-#ifndef GL_CHROMIUM_pixel_transfer_buffer_object
-#define GL_CHROMIUM_pixel_transfer_buffer_object 1
-// TODO(reveman): Get official numbers for these constants.
-#define GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM 0x88EC
-#define GL_PIXEL_UNPACK_TRANSFER_BUFFER_BINDING_CHROMIUM 0x88EF
-#endif
-
-/* GL_CHROMIUM_async_pixel_transfers */
-#ifndef GL_CHROMIUM_async_pixel_transfers
-#define GL_CHROMIUM_async_pixel_transfers 1
-// TODO: Get official numbers for these constants.
-#define GL_ASYNC_PIXEL_TRANSFERS_COMPLETED_CHROMIUM 0x84F5
-#endif
-
-/* GL_CHROMIUM_lose_context */
-#ifndef GL_CHROMIUM_lose_context
-#define GL_CHROMIUM_lose_context 1
-#ifdef GL_GLEXT_PROTOTYPES
-GL_APICALL void GL_APIENTRY glLoseContextCHROMIUM (GLenum current, GLenum other);
-#endif
-typedef void (GL_APIENTRYP PFNGLLOSECONTEXTCHROMIUM) (GLenum current, GLenum other);
-#endif
-
 #ifdef __cplusplus
 }
 #endif
 
+#include <GLES2/gl2extchromium.h>
+
 #endif /* __gl2ext_h_ */