Index: gpu/GLES2/gl2ext.h |
diff --git a/gpu/GLES2/gl2ext.h b/gpu/GLES2/gl2ext.h |
index 28b3119b8b391389b7cbfaebdbeb4866b9387158..0d4f78800a849bb3071c0a88882748d78018c8ae 100644 |
--- a/gpu/GLES2/gl2ext.h |
+++ b/gpu/GLES2/gl2ext.h |
@@ -1350,6 +1350,10 @@ 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 |