private void ApplyState()
{
// Apply RasterizerState now, as it depends on other device states
GLDevice.ApplyRasterizerState(
RasterizerState,
RenderTargetCount > 0
);
while (ModifiedSamplers.Count > 0)
{
int sampler = ModifiedSamplers.Dequeue();
GLDevice.VerifySampler(
sampler,
Textures[sampler],
SamplerStates[sampler]
);
}
// TODO: MSAA?
if (VertexShader == null)
{
throw new InvalidOperationException("A vertex shader must be set!");
}
if (PixelShader == null)
{
throw new InvalidOperationException("A pixel shader must be set!");
}
if (vertexShaderDirty || pixelShaderDirty)
{
ActivateShaderProgram();
vertexShaderDirty = pixelShaderDirty = false;
}
vertexConstantBuffers.SetConstantBuffers(this, shaderProgram);
pixelConstantBuffers.SetConstantBuffers(this, shaderProgram);
}