mesa/es: Add support for GL_OES_draw_texture.

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>

src/mesa/main/extensions.c

@@ -185,6 +185,9 @@ static const struct {
    { ON,  "GL_SGIS_texture_lod",               F(SGIS_texture_lod) },
    { ON,  "GL_SUN_multi_draw_arrays",          F(EXT_multi_draw_arrays) },
    { OFF, "GL_S3_s3tc",                        F(S3_s3tc) },
+#if FEATURE_OES_draw_texture
+   { OFF, "GL_OES_draw_texture",               F(OES_draw_texture) },
+#endif /* FEATURE_OES_draw_texture */
 };