public void OnInitialize(DeviceContextHolder holder)
{
_effect = holder.GetEffect <EffectPpHdr>();
_blurHelper = holder.GetHelper <BlurHelper>();
_textures = Enumerable.Range(0, DownsamplerAdaptationCycles)
.Select(x => TargetResourceTexture.Create(Format.R16G16B16A16_Float))
.ToArray();
_averateColor = Enumerable.Range(0, 2).Select(x => {
var t = TargetResourceTexture.Create(Format.R16G16B16A16_Float);
t.Resize(holder, 1, 1, null);
return(t);
}).ToArray();
_newAverageColor = TargetResourceTexture.Create(Format.R16G16B16A16_Float);
_newAverageColor.Resize(holder, 1, 1, null);
_bloomTexture = TargetResourceTexture.Create(Format.R16G16B16A16_Float);
_tempTexture = TargetResourceTexture.Create(Format.R16G16B16A16_Float);
}
private bool ColorGradingPass(ShaderResourceView input, RenderTargetView output, Viewport viewport)
{
if (ColorGradingData == null)
{
return(false);
}
if (!_colorGradingSet)
{
_colorGradingSet = true;
try {
LoadColorGradingData();
} catch (Exception e) {
AcToolsLogging.Write(e);
}
}
if (_colorGradingView == null)
{
return(false);
}
if (_hdr == null)
{
_hdr = DeviceContextHolder.GetEffect <EffectPpHdr>();
}
DeviceContext.Rasterizer.SetViewports(viewport);
DeviceContext.OutputMerger.SetTargets(output);
_hdr.FxInputMap.SetResource(input);
_hdr.FxColorGradingMap.SetResource(_colorGradingView);
_hdr.TechColorGrading.DrawAllPasses(DeviceContext, 6);
return(true);
}
protected bool HdrPass(ShaderResourceView input, RenderTargetView output, Viewport viewport)
{
if (UseLensFlares)
{
// prepare effects
if (_lensFlares == null)
{
_lensFlares = DeviceContextHolder.GetEffect <EffectPpLensFlares>();
}
if (_hdr == null)
{
_hdr = DeviceContextHolder.GetEffect <EffectPpHdr>();
}
if (_blur == null)
{
_blur = DeviceContextHolder.GetHelper <BlurHelper>();
}
// filter bright areas by high threshold to downscaled buffer #1
DeviceContext.Rasterizer.SetViewports(_bufferH1.Viewport);
DeviceContext.OutputMerger.SetTargets(_bufferH1.TargetView);
DeviceContext.ClearRenderTargetView(_bufferH1.TargetView, ColorTransparent);
DeviceContextHolder.PrepareQuad(_hdr.LayoutPT);
_hdr.FxInputMap.SetResource(input);
_hdr.TechBloomHighThreshold.DrawAllPasses(DeviceContext, 6);
DeviceContext.Rasterizer.SetViewports(_bufferH2.Viewport);
DeviceContext.OutputMerger.SetTargets(_bufferH2.TargetView);
DeviceContext.ClearRenderTargetView(_bufferH2.TargetView, ColorTransparent);
DeviceContextHolder.PrepareQuad(_lensFlares.LayoutPT);
_lensFlares.FxInputMap.SetResource(_bufferH1.View);
_lensFlares.TechGhosts.DrawAllPasses(DeviceContext, 6);
// blur bright areas from buffer #1 to itself using downscaled buffer #3 as a temporary one
_blur.Blur(DeviceContextHolder, _bufferH2, _bufferH1, 2f, 2);
// combine original buffer and buffer #1 with blurred bright areas to buffer #2
DeviceContext.Rasterizer.SetViewports(viewport);
DeviceContext.OutputMerger.SetTargets(output);
_hdr.FxInputMap.SetResource(input);
_hdr.FxBloomMap.SetResource(_bufferH2.View);
GetHdrTechnique().DrawAllPasses(DeviceContext, 6);
return(true);
}
if (UseBloom)
{
// prepare effects
if (_hdr == null)
{
_hdr = DeviceContextHolder.GetEffect <EffectPpHdr>();
}
if (_blur == null)
{
_blur = DeviceContextHolder.GetHelper <BlurHelper>();
}
// filter bright areas by high threshold to downscaled buffer #1
DeviceContext.Rasterizer.SetViewports(_bufferH1.Viewport);
DeviceContext.OutputMerger.SetTargets(_bufferH1.TargetView);
DeviceContext.ClearRenderTargetView(_bufferH1.TargetView, ColorTransparent);
DeviceContextHolder.PrepareQuad(_hdr.LayoutPT);
_hdr.FxInputMap.SetResource(input);
_hdr.TechBloomHighThreshold.DrawAllPasses(DeviceContext, 6);
// blur bright areas from buffer #1 to itself using downscaled buffer #3 as a temporary one
_blur.Blur(DeviceContextHolder, _bufferH1, _bufferH2, 0.5f * BloomRadiusMultiplier, 2);
// combine original buffer and buffer #1 with blurred bright areas to buffer #2
DeviceContext.Rasterizer.SetViewports(viewport);
DeviceContext.OutputMerger.SetTargets(output);
_hdr.FxInputMap.SetResource(input);
_hdr.FxBloomMap.SetResource(_bufferH1.View);
GetHdrTechnique().DrawAllPasses(DeviceContext, 6);
return(true);
}
if (ToneMapping != ToneMappingFn.None)
{
if (_hdr == null)
{
_hdr = DeviceContextHolder.GetEffect <EffectPpHdr>();
}
DeviceContext.Rasterizer.SetViewports(viewport);
DeviceContext.OutputMerger.SetTargets(output);
DeviceContextHolder.PrepareQuad(_hdr.LayoutPT);
_hdr.FxInputMap.SetResource(input);
_hdr.FxBloomMap.SetResource(null);
GetHdrTechnique().DrawAllPasses(DeviceContext, 6);
return(true);
}
return(false);
}
