GL_SRC_ALPHA_SATURATE   83 ppapi/lib/gl/include/GLES2/gl2.h #define GL_SRC_ALPHA_SATURATE             0x0308
GL_SRC_ALPHA_SATURATE   99 third_party/khronos/GLES2/gl2.h #define GL_SRC_ALPHA_SATURATE             0x0308