public ShaderGeneratorContext(GraphicsDevice graphicsDevice = null)
{
this.graphicsDevice = graphicsDevice;
Parameters = new ParameterCollection();
parameterKeyIndices = new Dictionary <ParameterKey, int>();
declaredSamplerStates = new Dictionary <SamplerStateDescription, ObjectParameterKey <SamplerState> >();
currentOverrides = new MaterialOverrides();
}
private void UpdateOverrides()
{
// Update overrides by squashing them using multiplication
currentOverrides = new MaterialOverrides();
foreach (var current in overridesStack)
{
currentOverrides *= current;
}
}
public void PushOverrides(MaterialOverrides overrides)
{
if (overrides == null)
{
throw new ArgumentNullException("overrides");
}
overridesStack.Push(overrides);
UpdateOverrides();
}
