Add support for GL_ARB_shading_language_420pack so we don't have to binding sampler locations. Also add support for GL_ARB_separate_shader_objects which doesn't currently work for some reason....investigating.

Source/Plugins/Plugin_VideoOGL/Src/PixelShaderCache.h

@@ -88,6 +88,8 @@ public:
 
     static GLuint GetDepthMatrixProgram();
 
+    static bool SupportsBinding();
+
 	static void SetCurrentShader(GLuint Shader);
 
 	static void DisableShader();