public void ExecutePass(DeviceContext context, SimpleSceneWrapper sceneWrapper, Vector3 position)
{
//using (new GpuProfilePoint(context, "CubemapRender"))
{
context.PixelShader.SetShaderResource(m_GIVolumeR.m_ShaderResourceView, 5);
context.PixelShader.SetShaderResource(m_GIVolumeG.m_ShaderResourceView, 6);
context.PixelShader.SetShaderResource(m_GIVolumeB.m_ShaderResourceView, 7);
CubemapRenderHelper.RenderCubemap(context, m_CubeObject, m_CubeObjectDepth, sceneWrapper, position, 50.0f, false, new Color4(1.0f, 0.75f, 0.75f, 1.0f));
}
//using (new GpuProfilePoint(context, "InitSH"))
{
context.PixelShader.SetShaderResource(m_CubeObject.m_ShaderResourceView, 0);
m_InitialSHSet.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "GIInitSH");
RenderTargetSet.BindNull(context);
DownsamplePass(context, m_InitialSHSet, m_Downsampled16x16SHSetR, m_Downsampled16x16SHSetG, m_Downsampled16x16SHSetB);
m_Downsampled16x16SHSetR.BindSRV(context, 0);
m_Downsampled4x4SHSetR.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample4x4");
RenderTargetSet.BindNull(context);
m_Downsampled16x16SHSetG.BindSRV(context, 0);
m_Downsampled4x4SHSetG.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample4x4");
RenderTargetSet.BindNull(context);
m_Downsampled16x16SHSetB.BindSRV(context, 0);
m_Downsampled4x4SHSetB.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample4x4");
RenderTargetSet.BindNull(context);
Vector3 sceneMin, sceneMax;
sceneWrapper.GetSceneBounds(out sceneMin, out sceneMax);
Vector3 positionInVolume = position - sceneMin;
positionInVolume.X = positionInVolume.X / (sceneMax.X - sceneMin.X);
positionInVolume.Y = positionInVolume.Y / (sceneMax.Y - sceneMin.Y);
positionInVolume.Z = positionInVolume.Z / (sceneMax.Z - sceneMin.Z);
dynamic scb = m_GIConstantBuffer;
scb.g_InjectPosition = new Vector4(new Vector3(positionInVolume.X * (float)(m_VolumeSizeX - 1), positionInVolume.Y * (float)(m_VolumeSizeY - 1), positionInVolume.Z * (float)(m_VolumeSizeZ - 1)), 0);
m_GIConstantBuffer.CompileAndBind(context);
m_Downsampled4x4SHSetR.BindSRV(context, 2);
m_Downsampled4x4SHSetG.BindSRV(context, 3);
m_Downsampled4x4SHSetB.BindSRV(context, 4);
context.ComputeShader.SetUnorderedAccessView(m_GIVolumeR.m_UnorderedAccessView, 0);
context.ComputeShader.SetUnorderedAccessView(m_GIVolumeG.m_UnorderedAccessView, 1);
context.ComputeShader.SetUnorderedAccessView(m_GIVolumeB.m_UnorderedAccessView, 2);
ShaderManager.ExecuteComputeForSize(context, 1, 1, 1, "InjectSHIntoVolume");
ContextHelper.ClearCSContext(context);
}
}
public void RenderVolumetricFog(DeviceContext context, TextureObject shadowMap, GlobalIlluminationRenderer giRenderer)
{
// Not using temporal manager as it was designed for render target sets; TODO
TextureObject previousFrameAccumulationTexture = m_Phase ? m_LightingTexturePing : m_LightingTexturePong;
TextureObject currentFrameAccumulationTexture = m_Phase ? m_LightingTexturePong : m_LightingTexturePing;
m_Phase = !m_Phase;
using (new GpuProfilePoint(context, "VolumetricFog"))
{
#if false
using (new GpuProfilePoint(context, "DensityEstimation"))
{
context.ComputeShader.SetUnorderedAccessView(m_DensityTexture.m_UnorderedAccessView, 0);
ShaderManager.ExecuteComputeForResource(context, m_DensityTexture, "CalculateDensity");
ContextHelper.ClearCSContext(context);
}
#endif
using (new GpuProfilePoint(context, "LitFogVolume"))
{
context.ComputeShader.SetShaderResource(giRenderer.m_GIVolumeR.m_ShaderResourceView, 5);
context.ComputeShader.SetShaderResource(giRenderer.m_GIVolumeG.m_ShaderResourceView, 6);
context.ComputeShader.SetShaderResource(giRenderer.m_GIVolumeB.m_ShaderResourceView, 7);
context.ComputeShader.SetShaderResource(previousFrameAccumulationTexture.m_ShaderResourceView, 8);
context.ComputeShader.SetShaderResource(m_DensityTexture.m_ShaderResourceView, 0);
context.ComputeShader.SetShaderResource(shadowMap.m_ShaderResourceView, 1);
context.ComputeShader.SetUnorderedAccessView(currentFrameAccumulationTexture.m_UnorderedAccessView, 1);
ShaderManager.ExecuteComputeForResource(context, currentFrameAccumulationTexture, "LitFogVolume");
ContextHelper.ClearCSContext(context);
}
using (new GpuProfilePoint(context, "ComputeScattering"))
{
context.ComputeShader.SetShaderResource(currentFrameAccumulationTexture.m_ShaderResourceView, 0);
context.ComputeShader.SetUnorderedAccessView(m_ScatteringTexture.m_UnorderedAccessView, 2);
ShaderManager.ExecuteComputeForSize(context, m_VolumeX, m_VolumeY, 1, "ComputeScattering");
ContextHelper.ClearCSContext(context);
}
}
}
public RenderTargetSet ExecutePass(DeviceContext context, RenderTargetSet source)
{
RenderTargetSet[] luminanceTargets = new RenderTargetSet[6];
luminanceTargets[0] = RenderTargetManager.RequestRenderTargetFromPool(m_RTDescriptorLuminance4x4);
luminanceTargets[1] = RenderTargetManager.RequestRenderTargetFromPool(m_RTDescriptorLuminance16x16);
luminanceTargets[2] = RenderTargetManager.RequestRenderTargetFromPool(m_RTDescriptorLuminance32x32);
luminanceTargets[3] = RenderTargetManager.RequestRenderTargetFromPool(m_RTDescriptorLuminance64x64);
luminanceTargets[4] = RenderTargetManager.RequestRenderTargetFromPool(m_RTDescriptorLuminance128x128);
luminanceTargets[5] = RenderTargetManager.RequestRenderTargetFromPool(m_RTDescriptorLuminance256x256);
using (new GpuProfilePoint(context, "Calculate luminance"))
{
source.BindSRV(context, 0);
luminanceTargets[0].BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample4x4CalculateLuminance");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
luminanceTargets[0].BindSRV(context, 0);
luminanceTargets[1].BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample4x4Luminance");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
luminanceTargets[1].BindSRV(context, 0);
luminanceTargets[2].BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample2x2Luminance");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
luminanceTargets[2].BindSRV(context, 0);
luminanceTargets[3].BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample2x2Luminance");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
luminanceTargets[3].BindSRV(context, 0);
luminanceTargets[4].BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample2x2Luminance");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
luminanceTargets[4].BindSRV(context, 0);
luminanceTargets[5].BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "Downsample2x2Luminance");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
luminanceTargets[5].BindSRV(context, 0);
context.ComputeShader.SetUnorderedAccessView(m_FinalLuminance.m_RenderTargets[0].m_UnorderedAccessView, 0);
ShaderManager.ExecuteComputeForSize(context, 1, 1, 1, "FinalCalculateAverageLuminance");
ContextHelper.ClearSRVs(context);
ContextHelper.ClearCSContext(context);
}
foreach (var lt in luminanceTargets)
{
RenderTargetManager.ReleaseRenderTargetToPool(lt);
}
return(m_FinalLuminance);
}
