//Set all states that should only be done once for the Effect
public void Begin(DeviceContext context)
{
if (_vs != null)
{
context.VertexShader.Set(_vs);
}
else
{
context.VertexShader.Set(null);
}
if (_gs != null)
{
context.GeometryShader.Set(_gs);
}
else
{
context.GeometryShader.Set(null);
}
if (_ps != null)
{
context.PixelShader.Set(_ps);
}
else
{
context.PixelShader.Set(null);
}
if (_inputLayout != null)
{
if (D3DEngine.SingleThreadRenderingOptimization)
{
// Input Layout changed ?? ==> Need to send it to the InputAssembler
if (HLSLShaderWrap.LastEffectSet != _inputLayout.GetHashCode())
{
context.InputAssembler.InputLayout = _inputLayout;
HLSLShaderWrap.LastEffectSet = _inputLayout.GetHashCode();
}
}
else
{
context.InputAssembler.InputLayout = _inputLayout;
}
}
//Set the constants for the Effect
for (int i = 0; i < _cBuffers.Length; i++)
{
_cBuffers[i].Set2Device(context);
}
//Set the resources (forced)
for (int i = 0; i < _shaderResources.Length; i++)
{
_shaderResources[i].Set2Device(context);
}
//Set the samplers (forced)
for (int i = 0; i < _shaderSamplers.Length; i++)
{
_shaderSamplers[i].Set2Device(context, false);
}
}