Graphics.Rendering.OpenGL.Raw.ARB.GPUShader5
gl_GEOMETRY_SHADER_INVOCATIONS
gl_MAX_GEOMETRY_SHADER_INVOCATIONS
gl_MIN_FRAGMENT_INTERPOLATION_OFFSET
gl_MAX_FRAGMENT_INTERPOLATION_OFFSET
gl_FRAGMENT_INTERPOLATION_OFFSET_BITS
gl_MAX_VERTEX_STREAMS