Attached is a patch adding the OES_standard_derivatives extension to the registry as WebGL Extension #4.
Created attachment 65 [details]
patch for extension registry
Thanks for the patch. It's been committed with a slight modification to indicate that the #enable directive is still required in the fragment shader.
Created attachment 66 [details]
Additional comment about about getParameter
getParameter should accept FRAGMENT_SHADER_DERIVATIVE_HINT_OES when OES_standard_derivatives is enabled. This patch adds a note to the Overview saying such.
*** Bug 408 has been marked as a duplicate of this bug. ***
*** Bug 409 has been marked as a duplicate of this bug. ***