// Function that will return the set of buffers required for the motion vector pass
public RenderTargetIdentifier[] GetMotionVectorsPassRTI(FrameSettings frameSettings)
{
// Note: Hardware allow to not write in all RT bind only if all the previous RT have been written (i.e there is no bubble)
// So here we need to guarantee that all RTs but last are written by the shader.
// Material could enable decal or not in Material so it should be last target
// However with motion vector pass, unlike for depth prepass we have no way to no if we are deferred (don't write normal buffer)
// or forward (write normal buffer). As we have a single function to setup the target, we are forcing
// disabled decals to still write 0 in DecalBuffer while render in the Motion vector pass
// For this reasons we render normal last, as now decal is permanent
Debug.Assert(m_MotionVectorsSupport);
using (ListPool <RenderTargetIdentifier> .Get(out var mrts))
{
if (frameSettings.IsEnabled(FrameSettingsField.MSAA))
{
Debug.Assert(m_MSAASupported);
mrts.Add(m_DepthAsColorMSAART.nameID);
mrts.Add(m_MotionVectorsMSAART.nameID);
if (frameSettings.IsEnabled(FrameSettingsField.DecalLayers))
{
mrts.Add(m_DecalPrePassBufferMSAA.nameID);
}
mrts.Add(m_NormalMSAART.nameID);
}
else
{
mrts.Add(m_MotionVectorsRT.nameID);
if (frameSettings.IsEnabled(FrameSettingsField.DecalLayers))
{
mrts.Add(m_DecalPrePassBuffer.nameID);
}
mrts.Add(m_NormalRT.nameID);
}
switch (mrts.Count)
{
case 1:
mrts.CopyTo(m_RTIDs1);
return(m_RTIDs1);
case 2:
mrts.CopyTo(m_RTIDs2);
return(m_RTIDs2);
case 3:
mrts.CopyTo(m_RTIDs3);
return(m_RTIDs3);
case 4:
mrts.CopyTo(m_RTIDs4);
return(m_RTIDs4);
default:
return(null);
}
}
}
// Function that will return the set of buffers required for the prepass (depending on if msaa is enabled or not)
public RenderTargetIdentifier[] GetDepthPrepassForwardRTI(FrameSettings frameSettings)
{
// Note: Hardware allow to not write in all RT bind only if all the previous RT have been written (i.e there is no bubble)
// So here we need to guarantee that all RTs but last are written by the shader.
// Material could enable decal or not in Material so it need to be the last target
using (ListPool <RenderTargetIdentifier> .Get(out var mrts))
{
if (frameSettings.IsEnabled(FrameSettingsField.MSAA))
{
Debug.Assert(m_MSAASupported);
mrts.Add(m_DepthAsColorMSAART.nameID);
mrts.Add(m_NormalMSAART.nameID);
if (frameSettings.IsEnabled(FrameSettingsField.DecalLayers))
{
mrts.Add(m_DecalPrePassBufferMSAA);
}
}
else
{
mrts.Add(m_NormalRT.nameID);
if (frameSettings.IsEnabled(FrameSettingsField.DecalLayers))
{
mrts.Add(m_DecalPrePassBuffer);
}
}
switch (mrts.Count)
{
case 1:
mrts.CopyTo(m_RTIDs1);
return(m_RTIDs1);
case 2:
mrts.CopyTo(m_RTIDs2);
return(m_RTIDs2);
case 3:
mrts.CopyTo(m_RTIDs3);
return(m_RTIDs3);
default:
return(null);
}
}
}
// Function that will return the set of buffers required for the prepass (depending on if msaa is enabled or not)
public RenderTargetIdentifier[] GetDepthPrepassDeferredRTI(FrameSettings frameSettings)
{
// In deferred we did nothing if decal aren't enabled
if (!frameSettings.IsEnabled(FrameSettingsField.DecalLayers))
{
return(null);
}
// Note: In deferred we can't have MSAA
m_RTIDs1Deferred[0] = m_DecalPrePassBuffer.nameID;
return(m_RTIDs1Deferred);
}
// This function will setup the required render target array. This take into account if shadow mask and light layers are enabled or not.
// Note for the future: Setup works fine as we don't have change per object (like velocity for example). If in the future it is the case
// the changing per object buffer MUST be the last one so the shader can decide if it write to it or not
public RenderTargetIdentifier[] GetBuffersRTI(FrameSettings frameSettings)
{
// We do two loop to avoid to have to allocate an array every frame
// Do a first step to know how many RT we require
int gbufferIndex = 0;
for (int i = 0; i < m_BufferCount; ++i)
{
if (m_GBufferUsage[i] == GBufferUsage.ShadowMask && !frameSettings.IsEnabled(FrameSettingsField.ShadowMask))
{
continue; // Skip
}
if (m_GBufferUsage[i] == GBufferUsage.LightLayers && !frameSettings.IsEnabled(FrameSettingsField.LightLayers))
{
continue; // Skip
}
gbufferIndex++;
}
// Now select the correct array and do another loop to fill the array
RenderTargetIdentifier[] m_RTIDsArrayCurrent = m_RTIDsArray[gbufferIndex - 1];
gbufferIndex = 0;
// nameID can change from one frame to another depending on the msaa flag so so we need to update this array to be sure it's up to date.
for (int i = 0; i < m_BufferCount; ++i)
{
if (m_GBufferUsage[i] == GBufferUsage.ShadowMask && !frameSettings.IsEnabled(FrameSettingsField.ShadowMask))
{
continue; // Skip
}
if (m_GBufferUsage[i] == GBufferUsage.LightLayers && !frameSettings.IsEnabled(FrameSettingsField.LightLayers))
{
continue; // Skip
}
m_RTIDsArrayCurrent[gbufferIndex] = m_RTs[i].nameID;
gbufferIndex++;
}
return(m_RTIDsArrayCurrent);
}
internal static void MigrateMSAA(ref FrameSettings cameraFrameSettings, ref FrameSettingsOverrideMask newFrameSettingsOverrideMask)
{
if (cameraFrameSettings.IsEnabled(FrameSettingsField.MSAA))
{
cameraFrameSettings.msaaMode = MSAAMode.FromHDRPAsset;
}
else
{
cameraFrameSettings.msaaMode = MSAAMode.None;
}
newFrameSettingsOverrideMask.mask[(int)FrameSettingsField.MSAAMode] = newFrameSettingsOverrideMask.mask[(int)FrameSettingsField.MSAA];
newFrameSettingsOverrideMask.mask[(int)FrameSettingsField.MSAA] = false;
}
// Function that will return the set of buffers required for the prepass (depending on if msaa is enabled or not)
public RenderTargetIdentifier[] GetPrepassBuffersRTI(FrameSettings frameSettings)
{
if (frameSettings.IsEnabled(FrameSettingsField.MSAA))
{
Debug.Assert(m_MSAASupported);
m_RTIDs2[0] = m_NormalMSAART.nameID;
m_RTIDs2[1] = m_DepthAsColorMSAART.nameID;
return(m_RTIDs2);
}
else
{
m_RTIDs1[0] = m_NormalRT.nameID;
return(m_RTIDs1);
}
}
// Function that will return the set of buffers required for the motion vector pass
public RenderTargetIdentifier[] GetMotionVectorsPassBuffersRTI(FrameSettings frameSettings)
{
Debug.Assert(m_MotionVectorsSupport);
if (frameSettings.IsEnabled(FrameSettingsField.MSAA))
{
Debug.Assert(m_MSAASupported);
m_RTIDs3[0] = m_MotionVectorsMSAART.nameID;
m_RTIDs3[1] = m_NormalMSAART.nameID;
m_RTIDs3[2] = m_DepthAsColorMSAART.nameID;
return(m_RTIDs3);
}
else
{
Debug.Assert(m_MotionVectorsSupport);
m_RTIDs2[0] = m_MotionVectorsRT.nameID;
m_RTIDs2[1] = m_NormalRT.nameID;
return(m_RTIDs2);
}
}
public void RenderShadows(CullingResults cullResults, FrameSettings frameSettings, ScriptableRenderContext renderContext, CommandBuffer cmd)
{
if (m_ShadowRequests.Count == 0)
{
return;
}
ShadowDrawingSettings shadowDrawSettings = new ShadowDrawingSettings(cullResults, 0);
shadowDrawSettings.useRenderingLayerMaskTest = frameSettings.IsEnabled(FrameSettingsField.LightLayers);
var parameters = PrepareRenderShadowsParameters();
RenderShadows(parameters, m_Atlas, shadowDrawSettings, renderContext, cmd);
if (parameters.blurAlgorithm == BlurAlgorithm.IM)
{
IMBlurMoment(parameters, m_Atlas, m_AtlasMoments[0], m_IntermediateSummedAreaTexture, m_SummedAreaTexture, cmd);
}
else if (parameters.blurAlgorithm == BlurAlgorithm.EVSM)
{
EVSMBlurMoments(parameters, m_Atlas, m_AtlasMoments, cmd);
}
}
internal TextureHandle RenderShadows(RenderGraph renderGraph, CullingResults cullResults, FrameSettings frameSettings, string shadowPassName)
{
TextureHandle result = new TextureHandle();
if (m_ShadowRequests.Count == 0)
{
return(result);
}
using (var builder = renderGraph.AddRenderPass <RenderShadowsPassData>(shadowPassName, out var passData, ProfilingSampler.Get(HDProfileId.RenderShadowMaps)))
{
passData.parameters = PrepareRenderShadowsParameters();
// TODO: Get rid of this and refactor to use the same kind of API than RendererList
passData.shadowDrawSettings = new ShadowDrawingSettings(cullResults, 0);
passData.shadowDrawSettings.useRenderingLayerMaskTest = frameSettings.IsEnabled(FrameSettingsField.LightLayers);
passData.atlasTexture = builder.WriteTexture(
renderGraph.CreateTexture(new TextureDesc(width, height)
{
filterMode = m_FilterMode, depthBufferBits = m_DepthBufferBits, isShadowMap = true, name = m_Name, clearBuffer = passData.parameters.debugClearAtlas
}, passData.parameters.atlasShaderID));
result = passData.atlasTexture;
if (passData.parameters.blurAlgorithm == BlurAlgorithm.EVSM)
{
passData.momentAtlasTexture1 = builder.WriteTexture(AllocateMomentAtlas(renderGraph, string.Format("{0}Moment", m_Name), passData.parameters.momentAtlasShaderID));
passData.momentAtlasTexture2 = builder.WriteTexture(AllocateMomentAtlas(renderGraph, string.Format("{0}MomentCopy", m_Name)));
result = passData.momentAtlasTexture1;
}
else if (passData.parameters.blurAlgorithm == BlurAlgorithm.IM)
{
passData.momentAtlasTexture1 = builder.WriteTexture(renderGraph.CreateTexture(new TextureDesc(width, height)
{
colorFormat = GraphicsFormat.R32G32B32A32_SFloat, name = string.Format("{0}Moment", m_Name), enableRandomWrite = true
}, passData.parameters.momentAtlasShaderID));
passData.intermediateSummedAreaTexture = builder.WriteTexture(renderGraph.CreateTexture(new TextureDesc(width, height)
{
colorFormat = GraphicsFormat.R32G32B32A32_SInt, name = string.Format("{0}IntermediateSummedArea", m_Name), enableRandomWrite = true
}, passData.parameters.momentAtlasShaderID));
passData.summedAreaTexture = builder.WriteTexture(renderGraph.CreateTexture(new TextureDesc(width, height)
{
colorFormat = GraphicsFormat.R32G32B32A32_SInt, name = string.Format("{0}SummedArea", m_Name), enableRandomWrite = true
}, passData.parameters.momentAtlasShaderID));
result = passData.momentAtlasTexture1;
}
builder.SetRenderFunc(
(RenderShadowsPassData data, RenderGraphContext context) =>
{
RTHandle atlasTexture = context.resources.GetTexture(data.atlasTexture);
RenderShadows(data.parameters,
atlasTexture,
data.shadowDrawSettings,
context.renderContext, context.cmd);
if (data.parameters.blurAlgorithm == BlurAlgorithm.EVSM)
{
RTHandle[] momentTextures = context.renderGraphPool.GetTempArray <RTHandle>(2);
momentTextures[0] = context.resources.GetTexture(data.momentAtlasTexture1);
momentTextures[1] = context.resources.GetTexture(data.momentAtlasTexture2);
EVSMBlurMoments(data.parameters, atlasTexture, momentTextures, context.cmd);
}
else if (data.parameters.blurAlgorithm == BlurAlgorithm.IM)
{
RTHandle momentAtlas = context.resources.GetTexture(data.momentAtlasTexture1);
RTHandle intermediateSummedArea = context.resources.GetTexture(data.intermediateSummedAreaTexture);
RTHandle summedArea = context.resources.GetTexture(data.summedAreaTexture);
IMBlurMoment(data.parameters, atlasTexture, momentAtlas, intermediateSummedArea, summedArea, context.cmd);
}
});
return(result);
}
}
