extension ARB_fragment_shader
+# Fragment derivative functions are not available on OpenGL ES until 3.0; they
+# should be accessed through OES_standard_derivatives if needed
+ignore GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB
+# Maximum uniform component count queries are not available on OpenGL ES until
+# 3.0; similar queries for vector counts are available in 2.0
+ignore GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB