{ "From ES 3.0.1 spec, table 3.15": [ [ "GL_ALPHA", "GL_RGBA" ], [ "GL_LUMINANCE", "GL_RED" ], [ "GL_LUMINANCE", "GL_RG" ], [ "GL_LUMINANCE", "GL_RGB" ], [ "GL_LUMINANCE", "GL_RGBA" ], [ "GL_LUMINANCE_ALPHA", "GL_RGBA" ], [ "GL_RED", "GL_RED" ], [ "GL_RED", "GL_RG" ], [ "GL_RED", "GL_RGB" ], [ "GL_RED", "GL_RGBA" ], [ "GL_RG", "GL_RG" ], [ "GL_RG", "GL_RGB" ], [ "GL_RG", "GL_RGBA" ], [ "GL_RGB", "GL_RGB" ], [ "GL_RGB", "GL_RGBA" ], [ "GL_RGBA", "GL_RGBA" ] ], "Necessary for ANGLE back-buffers": [ [ "GL_ALPHA", "GL_BGRA_EXT" ], [ "GL_LUMINANCE", "GL_BGRA_EXT" ], [ "GL_LUMINANCE_ALPHA", "GL_BGRA_EXT" ], [ "GL_RED", "GL_BGRA_EXT" ], [ "GL_RG", "GL_BGRA_EXT" ], [ "GL_RGB", "GL_BGRA_EXT" ], [ "GL_RGBA", "GL_BGRA_EXT" ], [ "GL_BGRA_EXT", "GL_BGRA_EXT" ], [ "GL_RED_INTEGER", "GL_RED_INTEGER" ], [ "GL_RED_INTEGER", "GL_RG_INTEGER" ], [ "GL_RED_INTEGER", "GL_RGB_INTEGER" ], [ "GL_RED_INTEGER", "GL_RGBA_INTEGER" ], [ "GL_RG_INTEGER", "GL_RG_INTEGER" ], [ "GL_RG_INTEGER", "GL_RGB_INTEGER" ], [ "GL_RG_INTEGER", "GL_RGBA_INTEGER" ], [ "GL_RGB_INTEGER", "GL_RGB_INTEGER" ], [ "GL_RGB_INTEGER", "GL_RGBA_INTEGER" ], [ "GL_RGBA_INTEGER", "GL_RGBA_INTEGER" ] ] }