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Merge pull request #732 from Unity-Technologies/xr-hdrp_rt_mgmt 

Use RenderTextureDescriptor in HDRP (XR infrastructure)
/feature-ReflectionProbeFit
GitHub 7 年前
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61d487bc
共有 7 个文件被更改，包括 231 次插入 和 109 次删除
  1. 24
      ScriptableRenderPipeline/Core/CoreRP/CoreUtils.cs
  2. 31
      ScriptableRenderPipeline/HDRenderPipeline/HDRP/Camera/HDCamera.cs
  3. 252
      ScriptableRenderPipeline/HDRenderPipeline/HDRP/HDRenderPipeline.cs
  4. 2
      ScriptableRenderPipeline/HDRenderPipeline/HDRP/HDRenderPipelineAsset.asset
  5. 2
      ScriptableRenderPipeline/HDRenderPipeline/HDRP/Lighting/LightLoop/LightLoop.cs
  6. 27
      ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/SubsurfaceScattering/SubsurfaceScatteringManager.cs
  7. 2
      ScriptableRenderPipeline/HDRenderPipeline/HDRP/RenderPipeline/FrameSettings.cs

24
ScriptableRenderPipeline/Core/CoreRP/CoreUtils.cs
查看文件


cmd.ClearRenderTarget((clearFlag & ClearFlag.Depth) != 0, (clearFlag & ClearFlag.Color) != 0, clearColor);
}
public static RenderTexture CreateRenderTexture(RenderTextureDescriptor baseDesc, int depthBufferBits, RenderTextureFormat format,
RenderTextureReadWrite readWrite = RenderTextureReadWrite.Default)
{
baseDesc.depthBufferBits = depthBufferBits;
baseDesc.colorFormat = format;
baseDesc.sRGB = (readWrite != RenderTextureReadWrite.Linear);
// TODO: Explicit MSAA support will come in later
return new RenderTexture(baseDesc);
}
public static void CreateCmdTemporaryRT(CommandBuffer cmd, int nameID, RenderTextureDescriptor baseDesc,
int depthBufferBits, FilterMode filter, RenderTextureFormat format,
RenderTextureReadWrite readWrite = RenderTextureReadWrite.Default, int msaaSamples = 1, bool enableRandomWrite = false)
{
baseDesc.depthBufferBits = depthBufferBits;
baseDesc.colorFormat = format;
baseDesc.sRGB = (readWrite != RenderTextureReadWrite.Linear);
baseDesc.msaaSamples = msaaSamples;
baseDesc.enableRandomWrite = enableRandomWrite;
cmd.GetTemporaryRT(nameID, baseDesc, filter);
}
public static void ClearCubemap(CommandBuffer cmd, RenderTargetIdentifier buffer, Color clearColor)
{
// We should have the option to clear mip maps here, but since RenderTargetIdentifier, we can't know the number to clear...

31
ScriptableRenderPipeline/HDRenderPipeline/HDRP/Camera/HDCamera.cs
查看文件


using System.Collections.Generic;
using UnityEngine.Rendering;
using UnityEngine.Rendering.PostProcessing;
using UnityEngine.XR;
namespace UnityEngine.Experimental.Rendering.HDPipeline
{

{
get { return nonJitteredProjMatrix * viewMatrix; }
}
public RenderTextureDescriptor renderTextureDesc { get; private set; }
// Always true for cameras that just got added to the pool - needed for previous matrices to
// avoid one-frame jumps/hiccups with temporal effects (motion blur, TAA...)

Reset();
}
public void Update(PostProcessLayer postProcessLayer)
public void Update(PostProcessLayer postProcessLayer, FrameSettings frameSettings)
{
// If TAA is enabled projMatrix will hold a jittered projection matrix. The original,
// non-jittered projection matrix can be accessed via nonJitteredProjMatrix.

projMatrix = gpuProj;
nonJitteredProjMatrix = gpuNonJitteredProj;
cameraPos = pos;
screenSize = new Vector4(camera.pixelWidth, camera.pixelHeight, 1.0f / camera.pixelWidth, 1.0f / camera.pixelHeight);
viewParam = new Vector4(viewMatrix.determinant, 0.0f, 0.0f, 0.0f);
if (ShaderConfig.s_CameraRelativeRendering != 0)

frustumPlaneEquations[5] = new Vector4(-forward.x, -forward.y, -forward.z, Vector3.Dot(forward, relPos) + camera.farClipPlane);
m_LastFrameActive = Time.frameCount;
RenderTextureDescriptor tempDesc;
if (frameSettings.enableStereo)
{
screenSize = new Vector4(XRSettings.eyeTextureWidth, XRSettings.eyeTextureHeight, 1.0f / XRSettings.eyeTextureWidth, 1.0f / XRSettings.eyeTextureHeight);
tempDesc = XRSettings.eyeTextureDesc;
}
else
{
screenSize = new Vector4(camera.pixelWidth, camera.pixelHeight, 1.0f / camera.pixelWidth, 1.0f / camera.pixelHeight);
tempDesc = new RenderTextureDescriptor(camera.pixelWidth, camera.pixelHeight);
}
tempDesc.msaaSamples = 1; // will be updated later, deferred will always set to 1
tempDesc.depthBufferBits = 0;
tempDesc.autoGenerateMips = false;
tempDesc.useMipMap = false;
tempDesc.enableRandomWrite = false;
tempDesc.memoryless = RenderTextureMemoryless.None;
renderTextureDesc = tempDesc;
}
public void Reset()

}
// Grab the HDCamera tied to a given Camera and update it.
public static HDCamera Get(Camera camera, PostProcessLayer postProcessLayer)
public static HDCamera Get(Camera camera, PostProcessLayer postProcessLayer, FrameSettings frameSettings)
{
HDCamera hdcam;

s_Cameras.Add(camera, hdcam);
}
hdcam.Update(postProcessLayer);
hdcam.Update(postProcessLayer, frameSettings);
return hdcam;
}

252
ScriptableRenderPipeline/HDRenderPipeline/HDRP/HDRenderPipeline.cs
查看文件


RenderTargetIdentifier[] m_ColorMRTs;
RenderTargetIdentifier[] m_RTIDs = new RenderTargetIdentifier[k_MaxGbuffer];
public void InitGBuffers(int width, int height, RenderPipelineMaterial deferredMaterial, bool enableBakeShadowMask, CommandBuffer cmd)
public void InitGBuffers(RenderTextureDescriptor rtDesc, RenderPipelineMaterial deferredMaterial, bool enableBakeShadowMask, CommandBuffer cmd)
{
// Init Gbuffer description
gbufferCount = deferredMaterial.GetMaterialGBufferCount();

rtDesc.depthBufferBits = 0;
cmd.GetTemporaryRT(HDShaderIDs._GBufferTexture[gbufferIndex], width, height, 0, FilterMode.Point, rtFormat[gbufferIndex], rtReadWrite[gbufferIndex]);
rtDesc.colorFormat = rtFormat[gbufferIndex];
rtDesc.sRGB = (rtReadWrite[gbufferIndex] != RenderTextureReadWrite.Linear);
cmd.GetTemporaryRT(HDShaderIDs._GBufferTexture[gbufferIndex], rtDesc, FilterMode.Point);
m_RTIDs[gbufferIndex] = new RenderTargetIdentifier(HDShaderIDs._GBufferTexture[gbufferIndex]);
}

cmd.GetTemporaryRT(HDShaderIDs._ShadowMaskTexture, width, height, 0, FilterMode.Point, Builtin.GetShadowMaskBufferFormat(), Builtin.GetShadowMaskBufferReadWrite());
rtDesc.colorFormat = Builtin.GetShadowMaskBufferFormat();
rtDesc.sRGB = (Builtin.GetShadowMaskBufferReadWrite() != RenderTextureReadWrite.Linear);
cmd.GetTemporaryRT(HDShaderIDs._ShadowMaskTexture, rtDesc, FilterMode.Point);
m_RTIDs[gbufferCount++] = new RenderTargetIdentifier(HDShaderIDs._ShadowMaskTexture);
}
}

RenderTargetIdentifier[] m_ColorMRTs;
RenderTargetIdentifier[] m_RTIDs = new RenderTargetIdentifier[k_MaxDbuffer];
public void InitDBuffers(int width, int height, CommandBuffer cmd)
public void InitDBuffers(RenderTextureDescriptor rtDesc, CommandBuffer cmd)
{
dbufferCount = Decal.GetMaterialDBufferCount();
RenderTextureFormat[] rtFormat;

rtDesc.depthBufferBits = 0;
cmd.GetTemporaryRT(HDShaderIDs._DBufferTexture[dbufferIndex], width, height, 0, FilterMode.Point, rtFormat[dbufferIndex], rtReadWrite[dbufferIndex]);
rtDesc.colorFormat = rtFormat[dbufferIndex];
rtDesc.sRGB = (rtReadWrite[dbufferIndex] != RenderTextureReadWrite.Linear);
cmd.GetTemporaryRT(HDShaderIDs._DBufferTexture[dbufferIndex], rtDesc, FilterMode.Point);
m_RTIDs[dbufferIndex] = new RenderTargetIdentifier(HDShaderIDs._DBufferTexture[dbufferIndex]);
}
}

};
#endif
void CreateDepthStencilBuffer(Camera camera)
void CreateDepthStencilBuffer(HDCamera hdCamera)
var camera = hdCamera.camera;
m_CameraDepthStencilBuffer = new RenderTexture(camera.pixelWidth, camera.pixelHeight, 24, RenderTextureFormat.Depth);
m_CameraDepthStencilBuffer = CoreUtils.CreateRenderTexture(hdCamera.renderTextureDesc, 24, RenderTextureFormat.Depth);
m_CameraDepthStencilBuffer.filterMode = FilterMode.Point;
m_CameraDepthStencilBuffer.Create();
m_CameraDepthStencilBufferRT = new RenderTargetIdentifier(m_CameraDepthStencilBuffer);

if (m_CameraDepthBufferCopy != null)
m_CameraDepthBufferCopy.Release();
m_CameraDepthBufferCopy = new RenderTexture(camera.pixelWidth, camera.pixelHeight, 24, RenderTextureFormat.Depth);
m_CameraDepthBufferCopy = CoreUtils.CreateRenderTexture(hdCamera.renderTextureDesc, 24, RenderTextureFormat.Depth);
m_CameraDepthBufferCopy.filterMode = FilterMode.Point;
m_CameraDepthBufferCopy.Create();
m_CameraDepthBufferCopyRT = new RenderTargetIdentifier(m_CameraDepthBufferCopy);

if (m_CameraStencilBufferCopy != null)
m_CameraStencilBufferCopy.Release();
m_CameraStencilBufferCopy = new RenderTexture(camera.pixelWidth, camera.pixelHeight, 0, RenderTextureFormat.R8, RenderTextureReadWrite.Linear); // DXGI_FORMAT_R8_UINT is not supported by Unity
m_CameraStencilBufferCopy = CoreUtils.CreateRenderTexture(hdCamera.renderTextureDesc, 0, RenderTextureFormat.R8, RenderTextureReadWrite.Linear); // DXGI_FORMAT_R8_UINT is not supported by Unity
m_CameraStencilBufferCopy.filterMode = FilterMode.Point;
m_CameraStencilBufferCopy.Create();
m_CameraStencilBufferCopyRT = new RenderTargetIdentifier(m_CameraStencilBufferCopy);

void Resize(Camera camera)
void Resize(HDCamera hdCamera)
var camera = hdCamera.camera;
bool resolutionChanged = camera.pixelWidth != m_CurrentWidth || camera.pixelHeight != m_CurrentHeight;
var desc = hdCamera.renderTextureDesc;
var texWidth = desc.width;
var texHeight = desc.height;
bool resolutionChanged = (texWidth != m_CurrentWidth) || (texHeight != m_CurrentHeight);
CreateDepthStencilBuffer(camera);
m_SSSBufferManager.Resize(camera);
CreateDepthStencilBuffer(hdCamera);
m_SSSBufferManager.Resize(hdCamera);
}
if (resolutionChanged || m_LightLoop.NeedResize())

m_LightLoop.AllocResolutionDependentBuffers(camera.pixelWidth, camera.pixelHeight);
m_LightLoop.AllocResolutionDependentBuffers(texWidth, texHeight);
m_CurrentWidth = camera.pixelWidth;
m_CurrentHeight = camera.pixelHeight;
m_CurrentWidth = texWidth;
m_CurrentHeight = texHeight;
}
public void PushGlobalParams(HDCamera hdCamera, CommandBuffer cmd, SubsurfaceScatteringSettings sssParameters)

ApplyDebugDisplaySettings(cmd);
UpdateShadowSettings();
// TODO: Float HDCamera setup higher in order to pass stereo into GetCullingParameters
ScriptableCullingParameters cullingParams;
if (!CullResults.GetCullingParameters(camera, out cullingParams))
{

}
var postProcessLayer = camera.GetComponent<PostProcessLayer>();
var hdCamera = HDCamera.Get(camera, postProcessLayer);
var hdCamera = HDCamera.Get(camera, postProcessLayer, m_FrameSettings);
Resize(camera);
Resize(hdCamera);
renderContext.SetupCameraProperties(camera);

using (new ProfilingSample(cmd, "Render SSAO", GetSampler(CustomSamplerId.RenderSSAO)))
{
// TODO: Everything here (SSAO, Shadow, Build light list, deferred shadow, material and light classification can be parallelize with Async compute)
RenderSSAO(cmd, camera, renderContext, postProcessLayer);
RenderSSAO(cmd, hdCamera, renderContext, postProcessLayer);
}
GPUFence buildGPULightListsCompleteFence = new GPUFence();

using (new ProfilingSample(cmd, "Deferred directional shadows", GetSampler(CustomSamplerId.RenderDeferredDirectionalShadow)))
{
cmd.ReleaseTemporaryRT(m_DeferredShadowBuffer);
cmd.GetTemporaryRT(m_DeferredShadowBuffer, camera.pixelWidth, camera.pixelHeight, 0, FilterMode.Point, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear, 1 , true);
CoreUtils.CreateCmdTemporaryRT(cmd, m_DeferredShadowBuffer, hdCamera.renderTextureDesc, 0, FilterMode.Point, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear, 1, true);
PushFullScreenDebugTexture(cmd, m_DeferredShadowBuffer, hdCamera.camera, renderContext, FullScreenDebugMode.DeferredShadows);
PushFullScreenDebugTexture(cmd, m_DeferredShadowBuffer, hdCamera, renderContext, FullScreenDebugMode.DeferredShadows);
}
// TODO: Move this code inside LightLoop

// Fill depth buffer to reduce artifact for transparent object during postprocess
RenderTransparentDepthPostpass(m_CullResults, camera, renderContext, cmd, ForwardPass.Transparent);
PushFullScreenDebugTexture(cmd, m_CameraColorBuffer, camera, renderContext, FullScreenDebugMode.NanTracker);
PushFullScreenDebugTexture(cmd, m_CameraColorBuffer, hdCamera, renderContext, FullScreenDebugMode.NanTracker);
AccumulateDistortion(m_CullResults, camera, renderContext, cmd);
RenderDistortion(cmd, m_Asset.renderPipelineResources);
AccumulateDistortion(m_CullResults, hdCamera, renderContext, cmd);
RenderDistortion(cmd, m_Asset.renderPipelineResources, hdCamera);
// Final blit
if (m_FrameSettings.enablePostprocess && CoreUtils.IsPostProcessingActive(postProcessLayer))

renderContext.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings, stateBlock.Value);
}
void AccumulateDistortion(CullResults cullResults, Camera camera, ScriptableRenderContext renderContext, CommandBuffer cmd)
void AccumulateDistortion(CullResults cullResults, HDCamera hdCamera, ScriptableRenderContext renderContext, CommandBuffer cmd)
{
if (!m_FrameSettings.enableDistortion)
return;

int w = camera.pixelWidth;
int h = camera.pixelHeight;
cmd.GetTemporaryRT(m_DistortionBuffer, w, h, 0, FilterMode.Point, Builtin.GetDistortionBufferFormat(), Builtin.GetDistortionBufferReadWrite());
CoreUtils.CreateCmdTemporaryRT(cmd, m_DistortionBuffer, hdCamera.renderTextureDesc, 0, FilterMode.Point, Builtin.GetDistortionBufferFormat(), Builtin.GetDistortionBufferReadWrite());
RenderTransparentRenderList(cullResults, camera, renderContext, cmd, HDShaderPassNames.s_DistortionVectorsName);
RenderTransparentRenderList(cullResults, hdCamera.camera, renderContext, cmd, HDShaderPassNames.s_DistortionVectorsName);
void RenderDistortion(CommandBuffer cmd, RenderPipelineResources resources)
void RenderDistortion(CommandBuffer cmd, RenderPipelineResources resources, HDCamera hdCamera)
{
if (!m_FrameSettings.enableDistortion)
return;

var size = new Vector4(m_CurrentWidth, m_CurrentHeight, 1f / m_CurrentWidth, 1f / m_CurrentHeight);
var size = new Vector4(hdCamera.screenSize.x, hdCamera.screenSize.y, 1f / hdCamera.screenSize.x, 1f / hdCamera.screenSize.y);
uint x, y, z;
m_applyDistortionCS.GetKernelThreadGroupSizes(m_applyDistortionKernel, out x, out y, out z);
cmd.SetComputeTextureParam(m_applyDistortionCS, m_applyDistortionKernel, HDShaderIDs._DistortionTexture, m_DistortionBufferRT);

}
}
void RenderSSAO(CommandBuffer cmd, Camera camera, ScriptableRenderContext renderContext, PostProcessLayer postProcessLayer)
void RenderSSAO(CommandBuffer cmd, HDCamera hdCamera, ScriptableRenderContext renderContext, PostProcessLayer postProcessLayer)
var camera = hdCamera.camera;
// Apply SSAO from PostProcessLayer
if (m_FrameSettings.enableSSAO && postProcessLayer != null && postProcessLayer.enabled)
{

{
cmd.ReleaseTemporaryRT(HDShaderIDs._AmbientOcclusionTexture);
cmd.GetTemporaryRT(HDShaderIDs._AmbientOcclusionTexture, new RenderTextureDescriptor(camera.pixelWidth, camera.pixelHeight, RenderTextureFormat.R8, 0)
{
sRGB = false,
enableRandomWrite = true
}, FilterMode.Bilinear);
CoreUtils.CreateCmdTemporaryRT(cmd, HDShaderIDs._AmbientOcclusionTexture, hdCamera.renderTextureDesc, 0, FilterMode.Bilinear, RenderTextureFormat.R8, RenderTextureReadWrite.Linear, msaaSamples: 1, enableRandomWrite: true);
PushFullScreenDebugTexture(cmd, HDShaderIDs._AmbientOcclusionTexture, camera, renderContext, FullScreenDebugMode.SSAO);
PushFullScreenDebugTexture(cmd, HDShaderIDs._AmbientOcclusionTexture, hdCamera, renderContext, FullScreenDebugMode.SSAO);
return;
}
}

// If the flag hasn't been set yet on this camera, motion vectors will skip a frame.
hdcamera.camera.depthTextureMode |= DepthTextureMode.MotionVectors | DepthTextureMode.Depth;
// Setup stencil buffer
PushFullScreenDebugTexture(cmd, m_VelocityBuffer, hdcamera.camera, renderContext, FullScreenDebugMode.MotionVectors);
PushFullScreenDebugTexture(cmd, m_VelocityBuffer, hdcamera, renderContext, FullScreenDebugMode.MotionVectors);
}
}

using (new ProfilingSample(cmd, "Gaussian Pyramid Color", GetSampler(CustomSamplerId.GaussianPyramidColor)))
{
int w = camera.pixelWidth;
int h = camera.pixelHeight;
int size = CalculatePyramidSize(w, h);
var colorPyramidDesc = m_GaussianPyramidColorBufferDesc;
var pyramidSideSize = colorPyramidDesc.height;
int lodCount = Mathf.FloorToInt(Mathf.Log(size, 2f) - 3f);
int lodCount = Mathf.FloorToInt(Mathf.Log(pyramidSideSize, 2f) - 3f);
if (lodCount > HDShaderIDs._GaussianPyramidColorMips.Length)
{
Debug.LogWarningFormat("Cannot compute all mipmaps of the color pyramid, max texture size supported: {0}", (2 << HDShaderIDs._GaussianPyramidColorMips.Length).ToString());

cmd.SetGlobalVector(HDShaderIDs._GaussianPyramidColorMipSize, new Vector4(size, size, lodCount, 0));
cmd.SetGlobalVector(HDShaderIDs._GaussianPyramidColorMipSize, new Vector4(pyramidSideSize, pyramidSideSize, lodCount, 0));
cmd.Blit(m_CameraColorBufferRT, m_GaussianPyramidColorBuffer);
cmd.Blit(m_CameraColorBufferRT, m_GaussianPyramidColorBufferRT);
var mipSize = size;
colorPyramidDesc.sRGB = false;
colorPyramidDesc.enableRandomWrite = true;
colorPyramidDesc.useMipMap = false;
mipSize >>= 1;
colorPyramidDesc.width = colorPyramidDesc.width >> 1;
colorPyramidDesc.height = colorPyramidDesc.height >> 1;
// TODO: Add proper stereo support to the compute job
cmd.GetTemporaryRT(HDShaderIDs._GaussianPyramidColorMips[i + 1], mipSize, mipSize, 0, FilterMode.Bilinear, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Linear, 1, true);
cmd.GetTemporaryRT(HDShaderIDs._GaussianPyramidColorMips[i + 1], colorPyramidDesc, FilterMode.Bilinear);
cmd.SetComputeVectorParam(m_GaussianPyramidCS, "_Size", new Vector4(mipSize, mipSize, 1f / mipSize, 1f / mipSize));
cmd.DispatchCompute(m_GaussianPyramidCS, m_GaussianPyramidKernel, mipSize / 8, mipSize / 8, 1);
cmd.SetComputeVectorParam(m_GaussianPyramidCS, "_Size", new Vector4(colorPyramidDesc.width, colorPyramidDesc.height, 1f / colorPyramidDesc.width, 1f / colorPyramidDesc.height));
cmd.DispatchCompute(m_GaussianPyramidCS, m_GaussianPyramidKernel, colorPyramidDesc.width / 8, colorPyramidDesc.height / 8, 1);
PushFullScreenDebugTextureMip(cmd, m_GaussianPyramidColorBufferRT, lodCount, size, size, debugMode);
PushFullScreenDebugTextureMip(cmd, m_GaussianPyramidColorBufferRT, lodCount, m_GaussianPyramidColorBufferDesc, debugMode);
// TODO: Why don't we use _GaussianPyramidColorMips[0]?
}
}

{
int w = camera.pixelWidth;
int h = camera.pixelHeight;
int size = CalculatePyramidSize(w, h);
var depthPyramidDesc = m_DepthPyramidBufferDesc;
var pyramidSideSize = depthPyramidDesc.height;
int lodCount = Mathf.FloorToInt(Mathf.Log(size, 2f) - 3f);
int lodCount = Mathf.FloorToInt(Mathf.Log(pyramidSideSize, 2f) - 3f);
if (lodCount > HDShaderIDs._DepthPyramidMips.Length)
{
Debug.LogWarningFormat("Cannot compute all mipmaps of the depth pyramid, max texture size supported: {0}", (2 << HDShaderIDs._DepthPyramidMips.Length).ToString());

cmd.SetGlobalVector(HDShaderIDs._DepthPyramidMipSize, new Vector4(size, size, lodCount, 0));
cmd.SetGlobalVector(HDShaderIDs._DepthPyramidMipSize, new Vector4(pyramidSideSize, pyramidSideSize, lodCount, 0));
cmd.GetTemporaryRT(HDShaderIDs._DepthPyramidMips[0], size, size, 0, FilterMode.Bilinear, RenderTextureFormat.RFloat, RenderTextureReadWrite.Linear, 1, true);
m_GPUCopy.SampleCopyChannel_xyzw2x(cmd, GetDepthTexture(), HDShaderIDs._DepthPyramidMips[0], new Vector2(size, size));
cmd.CopyTexture(HDShaderIDs._DepthPyramidMips[0], 0, 0, m_DepthPyramidBuffer, 0, 0);
var mipSize = size;
depthPyramidDesc.sRGB = false;
depthPyramidDesc.enableRandomWrite = true;
depthPyramidDesc.useMipMap = false;
cmd.GetTemporaryRT(HDShaderIDs._DepthPyramidMips[0], depthPyramidDesc, FilterMode.Bilinear);
m_GPUCopy.SampleCopyChannel_xyzw2x(cmd, GetDepthTexture(), HDShaderIDs._DepthPyramidMips[0], new Vector2(depthPyramidDesc.width, depthPyramidDesc.height));
cmd.CopyTexture(HDShaderIDs._DepthPyramidMips[0], 0, 0, m_DepthPyramidBufferRT, 0, 0);
int srcMipSize = mipSize;
mipSize >>= 1;
var srcMipWidth = depthPyramidDesc.width;
var srcMipHeight = depthPyramidDesc.height;
depthPyramidDesc.width = srcMipWidth >> 1;
depthPyramidDesc.height = srcMipHeight >> 1;
cmd.GetTemporaryRT(HDShaderIDs._DepthPyramidMips[i + 1], mipSize, mipSize, 0, FilterMode.Bilinear, RenderTextureFormat.RFloat, RenderTextureReadWrite.Linear, 1, true);
cmd.GetTemporaryRT(HDShaderIDs._DepthPyramidMips[i + 1], depthPyramidDesc, FilterMode.Bilinear);
cmd.SetComputeVectorParam(m_DepthPyramidCS, "_SrcSize", new Vector4(srcMipSize, srcMipSize, 1f / srcMipSize, 1f / srcMipSize));
cmd.DispatchCompute(m_DepthPyramidCS, m_DepthPyramidKernel, mipSize / 8, mipSize / 8, 1);
cmd.SetComputeVectorParam(m_DepthPyramidCS, "_SrcSize", new Vector4(srcMipWidth, srcMipHeight, 1f / srcMipWidth, 1f / srcMipHeight));
cmd.DispatchCompute(m_DepthPyramidCS, m_DepthPyramidKernel, depthPyramidDesc.width / 8, depthPyramidDesc.height / 8, 1);
PushFullScreenDebugDepthMip(cmd, m_DepthPyramidBufferRT, lodCount, size, size, debugMode);
PushFullScreenDebugDepthMip(cmd, m_DepthPyramidBufferRT, lodCount, m_DepthPyramidBufferDesc, debugMode);
cmd.SetGlobalTexture(HDShaderIDs._DepthPyramidTexture, m_DepthPyramidBuffer);

cmd.SetGlobalVector(HDShaderIDs._DebugLightingSmoothness, debugSmoothness);
}
public void PushFullScreenDebugTexture(CommandBuffer cb, RenderTargetIdentifier textureID, Camera camera, ScriptableRenderContext renderContext, FullScreenDebugMode debugMode)
public void PushFullScreenDebugTexture(CommandBuffer cb, RenderTargetIdentifier textureID, HDCamera hdCamera, ScriptableRenderContext renderContext, FullScreenDebugMode debugMode)
cb.GetTemporaryRT(m_DebugFullScreenTempRT, camera.pixelWidth, camera.pixelHeight, 0, FilterMode.Point, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Linear);
CoreUtils.CreateCmdTemporaryRT(cb, m_DebugFullScreenTempRT, hdCamera.renderTextureDesc, 0, FilterMode.Point, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Linear);
void PushFullScreenDebugTextureMip(CommandBuffer cmd, RenderTargetIdentifier textureID, int lodCount, int width, int height, FullScreenDebugMode debugMode)
void PushFullScreenDebugTextureMip(CommandBuffer cmd, RenderTargetIdentifier textureID, int lodCount, RenderTextureDescriptor desc, FullScreenDebugMode debugMode)
{
var mipIndex = Mathf.FloorToInt(m_CurrentDebugDisplaySettings.fullscreenDebugMip * (lodCount));
if (debugMode == m_CurrentDebugDisplaySettings.fullScreenDebugMode)

cmd.GetTemporaryRT(m_DebugFullScreenTempRT, width >> mipIndex, height >> mipIndex, 0, FilterMode.Point, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Linear);
cmd.CopyTexture(textureID, 0, mipIndex, m_DebugFullScreenTempRT, 0, 0);
desc.width = desc.width >> mipIndex;
desc.height = desc.height >> mipIndex;
CoreUtils.CreateCmdTemporaryRT(cmd, m_DebugFullScreenTempRT, desc, 0, FilterMode.Point, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Linear);
cmd.CopyTexture(textureID, 0, mipIndex, m_DebugFullScreenTempRT, 0, 0); // TODO: Support tex arrays
void PushFullScreenDebugDepthMip(CommandBuffer cmd, RenderTargetIdentifier textureID, int lodCount, int width, int height, FullScreenDebugMode debugMode)
void PushFullScreenDebugDepthMip(CommandBuffer cmd, RenderTargetIdentifier textureID, int lodCount, RenderTextureDescriptor desc, FullScreenDebugMode debugMode)
{
var mipIndex = Mathf.FloorToInt(m_CurrentDebugDisplaySettings.fullscreenDebugMip * (lodCount));
if (debugMode == m_CurrentDebugDisplaySettings.fullScreenDebugMode)

cmd.GetTemporaryRT(m_DebugFullScreenTempRT, width >> mipIndex, height >> mipIndex, 0, FilterMode.Point, RenderTextureFormat.RFloat, RenderTextureReadWrite.Linear);
cmd.CopyTexture(textureID, 0, mipIndex, m_DebugFullScreenTempRT, 0, 0);
desc.width = desc.width >> mipIndex;
desc.height = desc.height >> mipIndex;
CoreUtils.CreateCmdTemporaryRT(cmd, m_DebugFullScreenTempRT, desc, 0, FilterMode.Point, RenderTextureFormat.RFloat, RenderTextureReadWrite.Linear);
cmd.CopyTexture(textureID, 0, mipIndex, m_DebugFullScreenTempRT, 0, 0); // TODO: Support tex arrays
public void PushFullScreenDebugTexture(CommandBuffer cb, int textureID, Camera camera, ScriptableRenderContext renderContext, FullScreenDebugMode debugMode)
public void PushFullScreenDebugTexture(CommandBuffer cb, int textureID, HDCamera hdCamera, ScriptableRenderContext renderContext, FullScreenDebugMode debugMode)
PushFullScreenDebugTexture(cb, new RenderTargetIdentifier(textureID), camera, renderContext, debugMode);
PushFullScreenDebugTexture(cb, new RenderTargetIdentifier(textureID), hdCamera, renderContext, debugMode);
}
void RenderDebug(HDCamera camera, CommandBuffer cmd)

// Also we manage ourself the HDR format, here allocating fp16 directly.
// With scriptable render loop we can allocate temporary RT in a command buffer, they will not be release with ExecuteCommandBuffer
// These temporary surface are release automatically at the end of the scriptable render pipeline if not release explicitly
int w = hdCamera.camera.pixelWidth;
int h = hdCamera.camera.pixelHeight;
cmd.GetTemporaryRT(m_CameraColorBuffer, w, h, 0, FilterMode.Point, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Linear, 1, true); // Enable UAV
cmd.GetTemporaryRT(m_CameraSssDiffuseLightingBuffer, w, h, 0, FilterMode.Point, RenderTextureFormat.RGB111110Float, RenderTextureReadWrite.Linear, 1, true); // Enable UAV
CoreUtils.CreateCmdTemporaryRT(cmd, m_CameraColorBuffer, hdCamera.renderTextureDesc, 0, FilterMode.Point, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Linear, 1, true); // Enable UAV
CoreUtils.CreateCmdTemporaryRT(cmd, m_CameraSssDiffuseLightingBuffer, hdCamera.renderTextureDesc, 0, FilterMode.Point, RenderTextureFormat.RGB111110Float, RenderTextureReadWrite.Linear, 1, true); // Enable UAV
int s = CalculatePyramidSize(w, h);
m_GaussianPyramidColorBufferDesc.width = s;
m_GaussianPyramidColorBufferDesc.height = s;
m_GaussianPyramidColorBufferDesc = BuildPyramidDescriptor(hdCamera, PyramidType.Color, m_FrameSettings.enableStereo);
m_DepthPyramidBufferDesc.width = s;
m_DepthPyramidBufferDesc.height = s;
m_DepthPyramidBufferDesc = BuildPyramidDescriptor(hdCamera, PyramidType.Depth, m_FrameSettings.enableStereo);
cmd.ReleaseTemporaryRT(m_DepthPyramidBuffer);
cmd.GetTemporaryRT(m_DepthPyramidBuffer, m_DepthPyramidBufferDesc, FilterMode.Trilinear);
// End

m_GbufferManager.InitGBuffers(w, h, m_DeferredMaterial, enableBakeShadowMask, cmd);
m_SSSBufferManager.InitSSSBuffersFromGBuffer(w, h, m_GbufferManager, cmd);
m_GbufferManager.InitGBuffers(hdCamera.renderTextureDesc, m_DeferredMaterial, enableBakeShadowMask, cmd);
m_SSSBufferManager.InitSSSBuffersFromGBuffer(m_GbufferManager);
m_SSSBufferManager.InitSSSBuffers(w, h, cmd);
m_SSSBufferManager.InitSSSBuffers(hdCamera.renderTextureDesc, cmd);
m_DbufferManager.InitDBuffers(w, h, cmd);
m_DbufferManager.InitDBuffers(hdCamera.renderTextureDesc, cmd);
cmd.GetTemporaryRT(m_VelocityBuffer, w, h, 0, FilterMode.Point, Builtin.GetVelocityBufferFormat(), Builtin.GetVelocityBufferReadWrite());
CoreUtils.CreateCmdTemporaryRT(cmd, m_VelocityBuffer, hdCamera.renderTextureDesc, 0, FilterMode.Point, Builtin.GetVelocityBufferFormat(), Builtin.GetVelocityBufferReadWrite());
}
CoreUtils.SetRenderTarget(cmd, m_CameraColorBufferRT, m_CameraDepthStencilBufferRT, ClearFlag.Depth);

static int CalculatePyramidSize(int w, int h)
{
return Mathf.ClosestPowerOfTwo(Mathf.Min(w, h));
}
public enum PyramidType
{
Color = 0,
Depth = 1
}
static RenderTextureDescriptor BuildPyramidDescriptor(HDCamera hdCamera, PyramidType pyramidType, bool stereoEnabled)
{
var desc = hdCamera.renderTextureDesc;
desc.colorFormat = (pyramidType == PyramidType.Color) ? RenderTextureFormat.ARGBHalf : RenderTextureFormat.RFloat;
desc.depthBufferBits = 0;
desc.useMipMap = true;
desc.autoGenerateMips = false;
var pyramidSize = CalculatePyramidSize((int)hdCamera.screenSize.x, (int)hdCamera.screenSize.y);
// for stereo double-wide, each half of the texture will represent a single eye's pyramid
//var widthModifier = 1;
//if (stereoEnabled && (desc.dimension != TextureDimension.Tex2DArray))
// widthModifier = 2; // double-wide
//desc.width = pyramidSize * widthModifier;
desc.width = pyramidSize;
desc.height = pyramidSize;
return desc;
}
}
}

2
ScriptableRenderPipeline/HDRenderPipeline/HDRP/HDRenderPipelineAsset.asset
查看文件


enableTransparentPostPass: 1
enableDistortion: 1
enablePostprocess: 1
enableStereo: 0
enableStereo: 1
enableAsyncCompute: 0
enableOpaqueObjects: 1
enableTransparentObjects: 1

2
ScriptableRenderPipeline/HDRenderPipeline/HDRP/Lighting/LightLoop/LightLoop.cs
查看文件


return 8 * (1 << k_Log2NumClusters); // total footprint for all layers of the tile (measured in light index entries)
}
// TODO: Add proper stereo support
public void AllocResolutionDependentBuffers(int width, int height)
{
var nrTilesX = (width + LightDefinitions.s_TileSizeFptl - 1) / LightDefinitions.s_TileSizeFptl;

int numTilesX = (hdCamera.camera.pixelWidth + (deferredShadowTileSize - 1)) / deferredShadowTileSize;
int numTilesY = (hdCamera.camera.pixelHeight + (deferredShadowTileSize - 1)) / deferredShadowTileSize;
// TODO: Update for stereo
cmd.DispatchCompute(deferredDirectionalShadowComputeShader, s_deferredDirectionalShadowKernel, numTilesX, numTilesY, 1);
}
}

27
ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/SubsurfaceScattering/SubsurfaceScatteringManager.cs
查看文件


// In case of deferred, we must be in sync with SubsurfaceScattering.hlsl and lit.hlsl files and setup the correct buffers
// for SSS
public void InitSSSBuffersFromGBuffer(int width, int height, GBufferManager gbufferManager, CommandBuffer cmd)
public void InitSSSBuffersFromGBuffer(GBufferManager gbufferManager)
{
m_RTIDs[0] = gbufferManager.GetGBuffers()[0];
}

public void InitSSSBuffers(int width, int height, CommandBuffer cmd)
public void InitSSSBuffers(RenderTextureDescriptor desc, CommandBuffer cmd)
desc.depthBufferBits = 0;
desc.colorFormat = RenderTextureFormat.ARGB32;
desc.sRGB = false;
cmd.GetTemporaryRT(m_SSSBuffer0, width, height, 0, FilterMode.Point, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear);
cmd.GetTemporaryRT(m_SSSBuffer0, desc, FilterMode.Point);
}
public RenderTargetIdentifier GetSSSBuffers(int index)

CoreUtils.Destroy(m_CopyStencilForSplitLighting);
}
public void Resize(Camera camera)
public void Resize(HDCamera hdCamera)
m_HTile = new RenderTexture((camera.pixelWidth + 7) / 8, (camera.pixelHeight + 7) / 8, 0, RenderTextureFormat.R8, RenderTextureReadWrite.Linear); // DXGI_FORMAT_R8_UINT is not supported by Unity
var desc = hdCamera.renderTextureDesc;
desc.width = (desc.width + 7) / 8;
desc.height = (desc.height + 7) / 8;
m_HTile = CoreUtils.CreateRenderTexture(desc, 0, RenderTextureFormat.R8, RenderTextureReadWrite.Linear); // DXGI_FORMAT_R8_UINT is not supported by Unity
m_HTile.filterMode = FilterMode.Point;
m_HTile.enableRandomWrite = true;
m_HTile.Create();

using (new ProfilingSample(cmd, "Subsurface Scattering", HDRenderPipeline.GetSampler(CustomSamplerId.SubsurfaceScattering)))
{
int w = hdCamera.camera.pixelWidth;
int h = hdCamera.camera.pixelHeight;
// For Jimenez we always need an extra buffer, for Disney it depends on platform
if (!sssParameters.useDisneySSS ||
(sssParameters.useDisneySSS && NeedTemporarySubsurfaceBuffer()))

cmd.GetTemporaryRT(m_CameraFilteringBuffer, w, h, 0, FilterMode.Point, RenderTextureFormat.RGB111110Float, RenderTextureReadWrite.Linear, 1, true); // Enable UAV
// Clear the SSS filtering target
CoreUtils.CreateCmdTemporaryRT(cmd, m_CameraFilteringBuffer, hdCamera.renderTextureDesc, 0, FilterMode.Point, RenderTextureFormat.RGB111110Float, RenderTextureReadWrite.Linear, 1, true); // Enable UAV
// Clear the SSS filtering target
using (new ProfilingSample(cmd, "Clear SSS filtering target", HDRenderPipeline.GetSampler(CustomSamplerId.ClearSSSFilteringTarget)))
{
CoreUtils.SetRenderTarget(cmd, m_CameraFilteringBufferRT, ClearFlag.Color, CoreUtils.clearColorAllBlack);

{
// Caution: must be same format as m_CameraSssDiffuseLightingBuffer
cmd.ReleaseTemporaryRT(m_CameraFilteringBuffer);
cmd.GetTemporaryRT(m_CameraFilteringBuffer, w, h, 0, FilterMode.Point, RenderTextureFormat.RGB111110Float, RenderTextureReadWrite.Linear, 1, true); // Enable UAV
CoreUtils.CreateCmdTemporaryRT(cmd, m_CameraFilteringBuffer, hdCamera.renderTextureDesc, 0, FilterMode.Point, RenderTextureFormat.RGB111110Float, RenderTextureReadWrite.Linear, 1, true); // Enable UAV
// Clear the SSS filtering target
using (new ProfilingSample(cmd, "Clear SSS filtering target", HDRenderPipeline.GetSampler(CustomSamplerId.ClearSSSFilteringTarget)))
{

2
ScriptableRenderPipeline/HDRenderPipeline/HDRP/RenderPipeline/FrameSettings.cs
查看文件


public bool enableDistortion = true;
public bool enablePostprocess = true;
public bool enableStereo = false;
public bool enableStereo = true;
public bool enableAsyncCompute = false;
public bool enableOpaqueObjects = true;

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