public void ExecutePass(DeviceContext context, RenderTargetSet sourceSet)
{
PostEffectHelper.LinearizeDepth(context, m_LinearDepth, sourceSet);
DebugManager.RegisterDebug(context, "LinearDepth", m_LinearDepth);
using (new GpuProfilePoint(context, "DownsampleDepthNormals"))
{
m_LinearDepth.BindSRV(context, 0);
sourceSet.BindSRV(context, 1);
m_HalfLinearDepth.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "DownsampleDepthNormals");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
}
DebugManager.RegisterDebug(context, "HalfLinearDepth", m_HalfLinearDepth);
DebugManager.RegisterDebug(context, "HalfNormals", m_HalfLinearDepth, 1);
using (new GpuProfilePoint(context, "OutputBilateralOffsets"))
{
m_LinearDepth.BindSRV(context, 0);
m_HalfLinearDepth.BindSRV(context, 2);
m_BilateralUpsampleOffsets.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "OutputBilateralOffsets");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
}
DebugManager.RegisterDebug(context, "BilateralOffsets", m_BilateralUpsampleOffsets);
}
public void RenderFrame(DeviceContext context, double timeElapsed, RenderTargetSet targetRT)
{
ShaderManager.BindSamplerStates(context);
PerlinNoiseRenderHelper.BindTextures(context);
RenderTargetSet currentFrameMainBuffer = RenderTargetManager.RequestRenderTargetFromPool(m_FullResAndDepthDescriptor);
RenderTargetSet linearDepth = RenderTargetManager.RequestRenderTargetFromPool(m_LinearDepthDescriptor);
RenderTargetSet ssaoRT = RenderTargetManager.RequestRenderTargetFromPool(m_SSAODescriptor);
if (!m_ShadowsInitialized)
{
m_ShadowCamera.m_CameraForward = new Vector3(-0.15f, -1.0f, 0.15f);
m_ShadowCamera.m_CameraForward.Normalize();
Vector3 min, max;
m_SimpleSceneWrapper.GetSceneBounds(out min, out max);
Vector3 sceneTop = (min + max) * 0.5f;
sceneTop.Y = max.Y;
m_ShadowCamera.m_OrthoZoomX = (max.X - min.X) * 0.7f; // some overlap
m_ShadowCamera.m_OrthoZoomY = (max.Z - min.Z) * 0.7f;
m_ShadowCamera.m_CameraPosition = sceneTop - m_ShadowCamera.m_CameraForward * 50.0f;
m_ShadowCamera.m_CameraUp = new Vector3(0, 0, 1);
}
CalculateAndUpdateConstantBuffer(context, timeElapsed);
if (!m_ShadowsInitialized)
{
m_ResolvedShadow = m_ShadowEVSMGenerator.RenderShadows(context, m_SimpleSceneWrapper);
m_ShadowsInitialized = true;
}
if (false)
{
m_GIRenderer.PartialGIUpdate(context, m_SimpleSceneWrapper, m_ResolvedShadow);
}
m_CurrentViewportBuffer.Bind(context);
using (new GpuProfilePoint(context, "DepthPrepass"))
{
// set the shaders
context.VertexShader.Set(ShaderManager.GetVertexShader("VertexScene"));
context.PixelShader.Set(ShaderManager.GetPixelShader("DepthNormalPrepass"));
currentFrameMainBuffer.Clear(context, new Color4(1.0f, 1.0f, 1.0f, 1.5f), true);
currentFrameMainBuffer.BindAsRenderTarget(context, true, false);
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.DepthWriteCompare);
// render triangles
m_SimpleSceneWrapper.Render(context);
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.NoDepth);
RenderTargetSet.BindNull(context);
}
RenderTargetSet motionVectorsSurface = TemporalSurfaceManager.GetRenderTargetCurrent("MotionVectors");
RenderTargetSet motionVectorsSurfacePrevious = TemporalSurfaceManager.GetRenderTargetHistory("MotionVectors");
m_ResolveMotionVectorsPass.ExecutePass(context, motionVectorsSurface, currentFrameMainBuffer);
PostEffectHelper.LinearizeDepth(context, linearDepth, currentFrameMainBuffer);
SurfaceDebugManager.RegisterDebug(context, "LinearDepth", linearDepth);
m_SSAOPass.ExecutePass(context, ssaoRT, linearDepth, motionVectorsSurface);
m_VolumetricFog.RenderVolumetricFog(context, m_ResolvedShadow.m_RenderTargets[0], m_GIRenderer);
using (new GpuProfilePoint(context, "MainForwardRender"))
{
// set the shaders
context.VertexShader.Set(ShaderManager.GetVertexShader("VertexScene"));
context.PixelShader.Set(ShaderManager.GetPixelShader("PixelScene"));
currentFrameMainBuffer.BindAsRenderTarget(context, true);
m_ResolvedShadow.BindSRV(context, 0);
ssaoRT.BindSRV(context, 1);
context.PixelShader.SetShaderResource(m_GIRenderer.m_GIVolumeR.m_ShaderResourceView, 5);
context.PixelShader.SetShaderResource(m_GIRenderer.m_GIVolumeG.m_ShaderResourceView, 6);
context.PixelShader.SetShaderResource(m_GIRenderer.m_GIVolumeB.m_ShaderResourceView, 7);
context.PixelShader.SetShaderResource(m_VolumetricFog.m_ScatteringTexture.m_ShaderResourceView, 8);
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.DepthCompare);
// render triangles
m_SimpleSceneWrapper.Render(context);
// render sky
PostEffectHelper.RenderFullscreenTriangle(context, "Sky", true);
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.NoDepth);
RenderTargetSet.BindNull(context);
}
using (new GpuProfilePoint(context, "PostEffects"))
{
RenderTargetSet postEffectSurfacePong = RenderTargetManager.RequestRenderTargetFromPool(m_FullResDescriptor);
RenderTargetSet source, dest;
source = currentFrameMainBuffer;
dest = postEffectSurfacePong;
dynamic ppcb = m_PostEffectsConstantBuffer;
if (ppcb.g_DofCoCScale > 0.0f)
{
m_ScatterDOFPass.ExecutePass(context, dest, currentFrameMainBuffer, currentFrameMainBuffer);
PostEffectHelper.Swap(ref source, ref dest);
}
RenderTargetSet luminanceTexture = m_LuminanceCalculations.ExecutePass(context, source);
RenderTargetSet resolvedCurrent = TemporalSurfaceManager.GetRenderTargetCurrent("ResolvedColor");
RenderTargetSet resolvedHistory = TemporalSurfaceManager.GetRenderTargetHistory("ResolvedColor");
m_ResolveHDRPass.ExecutePass(context, resolvedCurrent, source, luminanceTexture);
RenderTargetSet resolvedTemporal = RenderTargetManager.RequestRenderTargetFromPool(m_ResolvedColorDescriptor);
m_ResolveTemporalPass.ExecutePass(context, resolvedTemporal, resolvedCurrent, resolvedHistory, motionVectorsSurface, motionVectorsSurfacePrevious, true);
SurfaceDebugManager.RegisterDebug(context, "ResolvedNoFXAA", resolvedTemporal);
m_FxaaPass.ExecutePass(context, targetRT, resolvedTemporal);
RenderTargetManager.ReleaseRenderTargetToPool(resolvedTemporal);
RenderTargetManager.ReleaseRenderTargetToPool(postEffectSurfacePong);
}
RenderTargetManager.ReleaseRenderTargetToPool(ssaoRT);
RenderTargetManager.ReleaseRenderTargetToPool(linearDepth);
RenderTargetManager.ReleaseRenderTargetToPool(currentFrameMainBuffer);
}