private void SetSampler(CommonShaderStage stage, ShaderStageCache cache, int slot, SamplerState sampler)
{
if (cache.Samplers[slot] != sampler)
{
stage.SetSampler(slot, sampler);
cache.Samplers[slot] = sampler;
}
}
private void SetConstantBuffer(CommonShaderStage stage, ShaderStageCache cache, int slot, Buffer buffer)
{
if (cache.Buffers[slot] != buffer)
{
stage.SetConstantBuffer(slot, buffer);
cache.Buffers[slot] = buffer;
}
}
private void SetTexture(CommonShaderStage stage, ShaderStageCache cache, int slot, ShaderResourceView view)
{
if (cache.Views[slot] != view)
{
// um Ressourcen Hazards zu vermeiden (Read und Write gleichzeitig) werden die RTs schon beim Setzen von Texturen neu gesetzt
ApplyRenderTargets();
stage.SetShaderResource(slot, view);
cache.Views[slot] = view;
}
}
public RenderContext(GraphicsDevice graphicsDevice, DeviceContext context)
: base(graphicsDevice, new StackTrace(1))
{
if (context == null)
{
throw new ArgumentNullException("context");
}
this.Context = context;
vertexCache = new ShaderStageCache(null);
pixelCache = new ShaderStageCache(null);
UpdateContext = new RenderUpdateContext(graphicsDevice, this);
}
