static extern void sfShader_setMat4Uniform(IntPtr shader, string name, Glsl.Mat4 matrix);
////////////////////////////////////////////////////////////
/// <summary>
/// Specify value for <c>mat4</c> uniform
/// </summary>
/// <param name="name">Name of the uniform variable in GLSL</param>
/// <param name="matrix">Value of the mat4 matrix</param>
////////////////////////////////////////////////////////////
public void SetUniform(string name, Glsl.Mat4 matrix)
{
sfShader_setMat4Uniform(CPointer, name, matrix);
}