GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD  172 ppapi/lib/gl/include/GLES2/gl2ext.h #define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD                      0x87EE
GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD  410 third_party/khronos/GLES2/gl2ext.h #define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD 0x87EE