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);
}
}
}
