public void RegisterShader(int ptr)
{
if (shaders.ContainsKey(ptr))
{
throw GraphicsDeviceException.ShaderAddedTwice();
}
shaders.Add(ptr, new HashSet <int>());
}
public void RegisterResourseSlot(int ptr, int slot)
{
if (shaders[ptr].Contains(slot))
{
throw GraphicsDeviceException.ResourseSlotAlreadyUsed(slot);
}
shaders[ptr].Add(slot);
}