glAlphaFuncQCOM  1518 ppapi/lib/gl/include/GLES2/gl2ext.h GL_APICALL void GL_APIENTRY glAlphaFuncQCOM (GLenum func, GLclampf ref);
glAlphaFuncQCOM  1452 third_party/khronos/GLES2/gl2ext.h GL_APICALL void GL_APIENTRY glAlphaFuncQCOM (GLenum func, GLclampf ref);