public void RenderFrame(DeviceContext context, float timeElapsed, RenderTargetSet targetRT)
{
ShaderManager.BindSamplerStates(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, 0.3f);
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.Y - min.Y) * 0.7f;
m_ShadowCamera.m_CameraPosition = sceneTop - m_ShadowCamera.m_CameraForward * 50.0f;
m_ShadowCamera.m_CameraUp = new Vector3(0, 0, 1);
}
CalculateAndUpdateConstantBuffer(context);
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(null);
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.RenderNoMaterials(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);
m_SSAOPass.ExecutePass(context, ssaoRT, linearDepth, motionVectorsSurface);
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);
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.DepthCompare);
// render triangles
m_SimpleSceneWrapper.Render(context);
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.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);
m_FxaaPass.ExecutePass(context, targetRT, resolvedTemporal);
RenderTargetManager.ReleaseRenderTargetToPool(resolvedTemporal);
RenderTargetManager.ReleaseRenderTargetToPool(postEffectSurfacePong);
}
RenderTargetManager.ReleaseRenderTargetToPool(ssaoRT);
RenderTargetManager.ReleaseRenderTargetToPool(linearDepth);
RenderTargetManager.ReleaseRenderTargetToPool(currentFrameMainBuffer);
}
public RenderTargetSet RenderShadows(DeviceContext context, SimpleSceneWrapper simpleSceneWrapper)
{
RenderTargetSet.RenderTargetDescriptor evsmDescriptor =
new RenderTargetSet.RenderTargetDescriptor()
{
m_Format = Format.R32G32B32A32_Float,
m_HasDepth = false,
m_NumSurfaces = 1,
m_Height = 1024,
m_Width = 1024
};
RenderTargetSet EVSMTexture = m_EVSMTexture == null ? RenderTargetManager.RequestRenderTargetFromPool(evsmDescriptor) : m_EVSMTexture;
{
RenderTargetSet.RenderTargetDescriptor shadowMapDescriptor =
new RenderTargetSet.RenderTargetDescriptor()
{
m_Format = Format.Unknown,
m_HasDepth = true,
m_NumSurfaces = 0,
m_Height = 2048,
m_Width = 2048
};
RenderTargetSet shadowBuffer = RenderTargetManager.RequestRenderTargetFromPool(shadowMapDescriptor);
using (new GpuProfilePoint(context, "Shadowmap"))
{
// set the shaders
context.VertexShader.Set(ShaderManager.GetVertexShader("VertexShadow"));
context.PixelShader.Set(null);
shadowBuffer.Clear(context, new Color4(), true);
shadowBuffer.BindAsRenderTarget(context, true);
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.DepthWriteCompare);
// render triangles
simpleSceneWrapper.RenderNoMaterials(context);
RenderTargetSet.BindNull(context);
}
using (new GpuProfilePoint(context, "EVSM Resolve"))
{
shadowBuffer.BindDepthAsSRV(context, 0);
EVSMTexture.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "ReconstructEVSM");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
}
RenderTargetSet EVSMTextureTemp = RenderTargetManager.RequestRenderTargetFromPool(evsmDescriptor);
using (new GpuProfilePoint(context, "EVSM Blur"))
{
EVSMTexture.BindSRV(context, 1);
EVSMTextureTemp.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "BlurEVSMHorizontal");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
EVSMTextureTemp.BindSRV(context, 1);
EVSMTexture.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "BlurEVSMVertical");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
}
RenderTargetManager.ReleaseRenderTargetToPool(shadowBuffer);
RenderTargetManager.ReleaseRenderTargetToPool(EVSMTextureTemp);
}
m_EVSMTexture = EVSMTexture;
return EVSMTexture;
}
public RenderTargetSet RenderShadows(DeviceContext context, SimpleSceneWrapper simpleSceneWrapper)
{
RenderTargetSet.RenderTargetDescriptor evsmDescriptor =
new RenderTargetSet.RenderTargetDescriptor()
{
m_Format = Format.R32G32B32A32_Float,
m_HasDepth = false,
m_NumSurfaces = 1,
m_Height = 1024,
m_Width = 1024
};
RenderTargetSet EVSMTexture = m_EVSMTexture == null?RenderTargetManager.RequestRenderTargetFromPool(evsmDescriptor) : m_EVSMTexture;
{
RenderTargetSet.RenderTargetDescriptor shadowMapDescriptor =
new RenderTargetSet.RenderTargetDescriptor()
{
m_Format = Format.Unknown,
m_HasDepth = true,
m_NumSurfaces = 0,
m_Height = 2048,
m_Width = 2048
};
RenderTargetSet shadowBuffer = RenderTargetManager.RequestRenderTargetFromPool(shadowMapDescriptor);
using (new GpuProfilePoint(context, "Shadowmap"))
{
// set the shaders
context.VertexShader.Set(ShaderManager.GetVertexShader("VertexShadow"));
context.PixelShader.Set(null);
shadowBuffer.Clear(context, new Color4(), true);
shadowBuffer.BindAsRenderTarget(context, true);
ContextHelper.SetDepthStencilState(context, ContextHelper.DepthConfigurationType.DepthWriteCompare);
// render triangles
simpleSceneWrapper.RenderNoMaterials(context);
RenderTargetSet.BindNull(context);
}
using (new GpuProfilePoint(context, "EVSM Resolve"))
{
shadowBuffer.BindDepthAsSRV(context, 0);
EVSMTexture.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "ReconstructEVSM");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
}
RenderTargetSet EVSMTextureTemp = RenderTargetManager.RequestRenderTargetFromPool(evsmDescriptor);
using (new GpuProfilePoint(context, "EVSM Blur"))
{
EVSMTexture.BindSRV(context, 1);
EVSMTextureTemp.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "BlurEVSMHorizontal");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
EVSMTextureTemp.BindSRV(context, 1);
EVSMTexture.BindAsRenderTarget(context);
PostEffectHelper.RenderFullscreenTriangle(context, "BlurEVSMVertical");
RenderTargetSet.BindNull(context);
ContextHelper.ClearSRVs(context);
}
RenderTargetManager.ReleaseRenderTargetToPool(shadowBuffer);
RenderTargetManager.ReleaseRenderTargetToPool(EVSMTextureTemp);
}
m_EVSMTexture = EVSMTexture;
return(EVSMTexture);
}
