Fix gles31 frag prim
GLES 3.1 + EXT_geometry_shader on the host llvmpipe, causes it to crash due to trying to use gl_PrimitiveID in a fragment shader. Fix that, however we ran out of flags, so make req a 64-bit field.
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GLES 3.1 + EXT_geometry_shader on the host llvmpipe, causes it to crash due to trying to use gl_PrimitiveID in a fragment shader. Fix that, however we ran out of flags, so make req a 64-bit field.