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ScriptableRenderPipeline
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Merge pull request #29 from Unity-Technologies/merge-FPTL-cluster 

Misc fix / refactor in sky and shaders
/main
GitHub 8 年前
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3560d0cf
共有 16 个文件被更改，包括 267 次插入 和 205 次删除
  1. 12
      Assets/ScriptableRenderLoop/HDRenderLoop/Debug/Resources/DebugViewTiles.shader
  2. 3
      Assets/ScriptableRenderLoop/HDRenderLoop/Editor/HDRenderLoopInspector.cs
  3. 26
      Assets/ScriptableRenderLoop/HDRenderLoop/HDRenderLoop.cs
  4. 12
      Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/SinglePass/SinglePass.cs
  5. 21
      Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/SinglePass/SinglePassLoop.hlsl
  6. 186
      Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/TilePass/TilePass.cs
  7. 4
      Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/TilePass/TilePass.hlsl
  8. 63
      Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/TilePass/TilePassLoop.hlsl
  9. 12
      Assets/ScriptableRenderLoop/HDRenderLoop/Material/Lit/Lit.hlsl
  10. 2
      Assets/ScriptableRenderLoop/HDRenderLoop/Material/Lit/LitSurfaceData.hlsl
  11. 4
      Assets/ScriptableRenderLoop/HDRenderLoop/Sky/Resources/GGXConvolve.shader
  12. 6
      Assets/ScriptableRenderLoop/HDRenderLoop/Sky/Resources/SkyHDRI.shader
  13. 115
      Assets/ScriptableRenderLoop/HDRenderLoop/Sky/SkyRenderer.cs
  14. 2
      Assets/ScriptableRenderLoop/fptl/FptlLighting.cs
  15. 2
      ProjectSettings/GraphicsSettings.asset
  16. 2
      ProjectSettings/ProjectVersion.txt

12
Assets/ScriptableRenderLoop/HDRenderLoop/Debug/Resources/DebugViewTiles.shader
查看文件


#pragma vertex VertViewTiles
#pragma fragment FragViewTiles
#define LIGHTLOOP_TILE_PASS 1
#define USE_FPTL_LIGHTLIST 1 //TODO: make it also work with clustered
#define LIGHTLOOP_TILE_PASS 1
#pragma multi_compile USE_FPTL_LIGHTLIST USE_CLUSTERED_LIGHTLIST
//-------------------------------------------------------------------------------------
// Include

{
Coordinate coord = GetCoordinate(positionCS.xy, _ScreenSize.zw);
#if USE_FPTL_LIGHTLIST
float linearDepth = 0.0;
#ifdef USE_CLUSTERED_LIGHTLIST
float depth = LOAD_TEXTURE2D(_CameraDepthTexture, coord.unPositionSS).x;
float linearDepth = GetLinearDepth(depth); // View space linear depth
float depth = LOAD_TEXTURE2D(_CameraDepthTexture, coord.unPositionSS).x;
float linearDepth = GetLinearDepth(depth);
float linearDepth = 0.0; // unused
#endif
int n = 0;

3
Assets/ScriptableRenderLoop/HDRenderLoop/Editor/HDRenderLoopInspector.cs
查看文件


public int[] debugViewMaterialValues = null;
public readonly GUIContent skyParameters = new GUIContent("Sky Parameters");
public readonly GUIContent skyResolution = new GUIContent("Sky Resolution");
public readonly GUIContent skyExposure = new GUIContent("Sky Exposure");
public readonly GUIContent skyRotation = new GUIContent("Sky Rotation");
public readonly GUIContent skyMultiplier = new GUIContent("Sky Multiplier");

EditorGUI.BeginChangeCheck();
skyParameters.skyHDRI = (Texture)EditorGUILayout.ObjectField("Cubemap", skyParameters.skyHDRI, typeof(Cubemap), false);
skyParameters.skyResolution = (SkyResolution)EditorGUILayout.EnumPopup(styles.skyResolution, skyParameters.skyResolution);
skyParameters.exposure = Mathf.Max(Mathf.Min(EditorGUILayout.FloatField(styles.skyExposure, skyParameters.exposure), 32), -32);
skyParameters.multiplier = Mathf.Max(EditorGUILayout.FloatField(styles.skyMultiplier, skyParameters.multiplier), 0);
skyParameters.rotation = Mathf.Max(Mathf.Min(EditorGUILayout.FloatField(styles.skyRotation, skyParameters.rotation), 360), -360);

26
Assets/ScriptableRenderLoop/HDRenderLoop/HDRenderLoop.cs
查看文件


return ;
}
using (new Utilities.ProfilingSample("Single Pass - Deferred Lighting Pass", renderLoop))
// Bind material data
m_LitRenderLoop.Bind();
if (debugParameters.useSinglePassLightLoop)
// Bind material data
m_LitRenderLoop.Bind();
if (debugParameters.useSinglePassLightLoop)
{
m_SinglePassLightLoop.RenderDeferredLighting(camera, renderLoop, m_CameraColorBuffer);
}
else
{
tilePassLightLoop.RenderDeferredLighting(camera, renderLoop, m_CameraColorBufferRT);
}
m_SinglePassLightLoop.RenderDeferredLighting(camera, renderLoop, m_CameraColorBuffer);
}
else
{
tilePassLightLoop.RenderDeferredLighting(camera, renderLoop, m_CameraColorBufferRT);
}
}

void Resize(Camera camera)
{
// TODO: Detect if renderdoc just load and force a resize in this case, as often renderdoc require to realloc resource.
// TODO: This is the wrong way to handle resize/allocation. We can have several different camera here, mean that the loop on camera will allocate and deallocate
// the below buffer which is bad. Best is to have a set of buffer for each camera that is persistent and reallocate resource if need
// For now consider we have only one camera that go to this code, the main one.
m_SkyRenderer.Resize(m_SkyParameters); // TODO: Also a bad naming, here we just want to realloc texture if skyparameters change (usefull for lookdev)
if (camera.pixelWidth != m_WidthOnRecord || camera.pixelHeight != m_HeightOnRecord || tilePassLightLoop.NeedResize())
{
if (m_WidthOnRecord > 0 && m_HeightOnRecord > 0)

12
Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/SinglePass/SinglePass.cs
查看文件


// m_gbufferManager.BindBuffers(m_DeferredMaterial);
// TODO: Bind depth textures
var cmd = new CommandBuffer { name = "" };
cmd.Blit(null, cameraColorBufferRT, m_DeferredMaterial, 0);
renderLoop.ExecuteCommandBuffer(cmd);
cmd.Dispose();
using (new Utilities.ProfilingSample("SinglePass - Deferred Lighting Pass", renderLoop))
{
var cmd = new CommandBuffer { name = "" };
cmd.Blit(null, cameraColorBufferRT, m_DeferredMaterial, 0);
renderLoop.ExecuteCommandBuffer(cmd);
cmd.Dispose();
}
}
}
}

21
Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/SinglePass/SinglePassLoop.hlsl
查看文件


specularLighting += localSpecularLighting;
}
// TODO: Check the reflection hierarchy, for the current system (matching legacy unity) we must sort from bigger solid angle to lower (lower override bigger). So begging by sky
// TODO: Change the way it is done by reversing the order, from smaller solid angle to bigger, so we can early out when the weight is 1.
for (i = 0; i < _EnvLightCount; ++i)
// Only apply sky IBL if the sky texture is available.
if (_EnvLightSkyEnabled)
context.sampleReflection = SINGLE_PASS_CONTEXT_SAMPLE_REFLECTION_PROBES;
EvaluateBSDF_Env(context, V, positionWS, prelightData, _EnvLightList[i], bsdfData, localDiffuseLighting, localSpecularLighting, weight);
iblDiffuseLighting = lerp(iblDiffuseLighting, localDiffuseLighting, weight.x); // Should be remove by the compiler if it is smart as all is constant 0
// The sky is a single cubemap texture separate from the reflection probe texture array (different resolution and compression)
context.sampleReflection = SINGLE_PASS_CONTEXT_SAMPLE_SKY;
EnvLightData envLightSky = InitSkyEnvLightData(0); // The sky data are generated on the fly so the compiler can optimize the code
EvaluateBSDF_Env(context, V, positionWS, prelightData, envLightSky, bsdfData, localDiffuseLighting, localSpecularLighting, weight);
iblDiffuseLighting = lerp(iblDiffuseLighting, localDiffuseLighting, weight.x); // Should be remove by the compiler if it is smart as all is constant 0
// Only apply sky IBL if the sky texture is available.
if (_EnvLightSkyEnabled)
for (i = 0; i < _EnvLightCount; ++i)
context.sampleReflection = SINGLE_PASS_CONTEXT_SAMPLE_SKY;
EnvLightData envLightSky = InitSkyEnvLightData(0);
EvaluateBSDF_Env(context, V, positionWS, prelightData, envLightSky, bsdfData, localDiffuseLighting, localSpecularLighting, weight);
context.sampleReflection = SINGLE_PASS_CONTEXT_SAMPLE_REFLECTION_PROBES;
EvaluateBSDF_Env(context, V, positionWS, prelightData, _EnvLightList[i], bsdfData, localDiffuseLighting, localSpecularLighting, weight);
iblDiffuseLighting = lerp(iblDiffuseLighting, localDiffuseLighting, weight.x); // Should be remove by the compiler if it is smart as all is constant 0
iblSpecularLighting = lerp(iblSpecularLighting, localSpecularLighting, weight.y);
}

186
Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/TilePass/TilePass.cs
查看文件


public void RenderDeferredLighting(Camera camera, RenderLoop renderLoop, RenderTargetIdentifier cameraColorBufferRT)
{
var bUseClusteredForDeferred = !usingFptl; // doesn't work on reflections yet but will soon
var bUseClusteredForDeferred = !usingFptl;
var invViewProj = Utilities.GetViewProjectionMatrix(camera).inverse;
var screenSize = Utilities.ComputeScreenSize(camera);

m_DebugViewTilesMaterial.SetVector("_ScreenSize", screenSize);
m_DebugViewTilesMaterial.SetInt("_ViewTilesFlags", (int)debugViewTilesFlags);
m_DebugViewTilesMaterial.EnableKeyword(bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
m_DebugViewTilesMaterial.DisableKeyword(!bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
var cmd = new CommandBuffer();
cmd.SetGlobalBuffer("g_vLightListGlobal", bUseClusteredForDeferred ? s_PerVoxelLightLists : s_LightList); // opaques list (unless MSAA possibly)
// In case of bUseClusteredForDeferred disable toggle option since we're using m_perVoxelLightLists as opposed to lightList
if (bUseClusteredForDeferred)
using (new Utilities.ProfilingSample("TilePass - Deferred Lighting Pass", renderLoop))
cmd.SetGlobalFloat("g_isOpaquesOnlyEnabled", 0);
}
cmd.name = "DoTiledDeferredLighting";
var cmd = new CommandBuffer();
cmd.SetGlobalBuffer("g_vLightListGlobal", bUseClusteredForDeferred ? s_PerVoxelLightLists : s_LightList); // opaques list (unless MSAA possibly)
/*
if (enableComputeLightEvaluation) //TODO: temporary workaround for "All kernels must use same constant buffer layouts"
{
var w = camera.pixelWidth;
var h = camera.pixelHeight;
var numTilesX = (w + 7) / 8;
var numTilesY = (h + 7) / 8;
// In case of bUseClusteredForDeferred disable toggle option since we're using m_perVoxelLightLists as opposed to lightList
if (bUseClusteredForDeferred)
{
cmd.SetGlobalFloat("_UseTileLightList", 0);
}
string kernelName = "ShadeDeferred" + (bUseClusteredForDeferred ? "_Clustered" : "_Fptl") + (enableDrawTileDebug ? "_Debug" : "");
int kernel = deferredComputeShader.FindKernel(kernelName);
/*
if (enableComputeLightEvaluation) //TODO: temporary workaround for "All kernels must use same constant buffer layouts"
{
var w = camera.pixelWidth;
var h = camera.pixelHeight;
var numTilesX = (w + 7) / 8;
var numTilesY = (h + 7) / 8;
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_CameraDepthTexture", new RenderTargetIdentifier(s_CameraDepthTexture));
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_CameraGBufferTexture0", new RenderTargetIdentifier(s_GBufferAlbedo));
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_CameraGBufferTexture1", new RenderTargetIdentifier(s_GBufferSpecRough));
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_CameraGBufferTexture2", new RenderTargetIdentifier(s_GBufferNormal));
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_CameraGBufferTexture3", new RenderTargetIdentifier(s_GBufferEmission));
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_spotCookieTextures", m_CookieTexArray.GetTexCache());
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_pointCookieTextures", m_CubeCookieTexArray.GetTexCache());
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_reflCubeTextures", m_CubeReflTexArray.GetTexCache());
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_reflRootCubeTexture", ReflectionProbe.GetDefaultTexture());
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "g_tShadowBuffer", new RenderTargetIdentifier(m_shadowBufferID));
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "unity_NHxRoughness", m_NHxRoughnessTexture);
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_LightTextureB0", m_LightAttentuationTexture);
string kernelName = "ShadeDeferred" + (bUseClusteredForDeferred ? "_Clustered" : "_Fptl") + (enableDrawTileDebug ? "_Debug" : "");
int kernel = deferredComputeShader.FindKernel(kernelName);
cmd.SetComputeBufferParam(deferredComputeShader, kernel, "g_vLightListGlobal", bUseClusteredForDeferred ? s_PerVoxelLightLists : s_LightList);
cmd.SetComputeBufferParam(deferredComputeShader, kernel, "g_vLightData", s_LightDataBuffer);
cmd.SetComputeBufferParam(deferredComputeShader, kernel, "g_dirLightData", s_DirLightList);
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_CameraDepthTexture", new RenderTargetIdentifier(s_CameraDepthTexture));
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_CameraGBufferTexture0", new RenderTargetIdentifier(s_GBufferAlbedo));
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_CameraGBufferTexture1", new RenderTargetIdentifier(s_GBufferSpecRough));
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_CameraGBufferTexture2", new RenderTargetIdentifier(s_GBufferNormal));
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_CameraGBufferTexture3", new RenderTargetIdentifier(s_GBufferEmission));
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_spotCookieTextures", m_CookieTexArray.GetTexCache());
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_pointCookieTextures", m_CubeCookieTexArray.GetTexCache());
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_reflCubeTextures", m_CubeReflTexArray.GetTexCache());
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_reflRootCubeTexture", ReflectionProbe.GetDefaultTexture());
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "g_tShadowBuffer", new RenderTargetIdentifier(m_shadowBufferID));
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "unity_NHxRoughness", m_NHxRoughnessTexture);
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "_LightTextureB0", m_LightAttentuationTexture);
var defdecode = ReflectionProbe.GetDefaultTextureHDRDecodeValues();
cmd.SetComputeFloatParam(deferredComputeShader, "_reflRootHdrDecodeMult", defdecode.x);
cmd.SetComputeFloatParam(deferredComputeShader, "_reflRootHdrDecodeExp", defdecode.y);
cmd.SetComputeBufferParam(deferredComputeShader, kernel, "g_vLightListGlobal", bUseClusteredForDeferred ? s_PerVoxelLightLists : s_LightList);
cmd.SetComputeBufferParam(deferredComputeShader, kernel, "g_vLightData", s_LightDataBuffer);
cmd.SetComputeBufferParam(deferredComputeShader, kernel, "g_dirLightData", s_DirLightList);
cmd.SetComputeFloatParam(deferredComputeShader, "g_fClustScale", m_ClustScale);
cmd.SetComputeFloatParam(deferredComputeShader, "g_fClustBase", k_ClustLogBase);
cmd.SetComputeFloatParam(deferredComputeShader, "g_fNearPlane", camera.nearClipPlane);
cmd.SetComputeFloatParam(deferredComputeShader, "g_fFarPlane", camera.farClipPlane);
cmd.SetComputeIntParam(deferredComputeShader, "g_iLog2NumClusters", k_Log2NumClusters);
cmd.SetComputeIntParam(deferredComputeShader, "g_isLogBaseBufferEnabled", k_UseDepthBuffer ? 1 : 0);
cmd.SetComputeIntParam(deferredComputeShader, "g_isOpaquesOnlyEnabled", 0);
var defdecode = ReflectionProbe.GetDefaultTextureHDRDecodeValues();
cmd.SetComputeFloatParam(deferredComputeShader, "_reflRootHdrDecodeMult", defdecode.x);
cmd.SetComputeFloatParam(deferredComputeShader, "_reflRootHdrDecodeExp", defdecode.y);
cmd.SetComputeFloatParam(deferredComputeShader, "g_fClustScale", m_ClustScale);
cmd.SetComputeFloatParam(deferredComputeShader, "g_fClustBase", k_ClustLogBase);
cmd.SetComputeFloatParam(deferredComputeShader, "g_fNearPlane", camera.nearClipPlane);
cmd.SetComputeFloatParam(deferredComputeShader, "g_fFarPlane", camera.farClipPlane);
cmd.SetComputeIntParam(deferredComputeShader, "g_iLog2NumClusters", k_Log2NumClusters);
cmd.SetComputeIntParam(deferredComputeShader, "g_isLogBaseBufferEnabled", k_UseDepthBuffer ? 1 : 0);
cmd.SetComputeIntParam(deferredComputeShader, "_UseTileLightList", 0);
//
var proj = camera.projectionMatrix;
var temp = new Matrix4x4();
temp.SetRow(0, new Vector4(1.0f, 0.0f, 0.0f, 0.0f));
temp.SetRow(1, new Vector4(0.0f, 1.0f, 0.0f, 0.0f));
temp.SetRow(2, new Vector4(0.0f, 0.0f, 0.5f, 0.5f));
temp.SetRow(3, new Vector4(0.0f, 0.0f, 0.0f, 1.0f));
var projh = temp * proj;
var invProjh = projh.inverse;
temp.SetRow(0, new Vector4(0.5f * w, 0.0f, 0.0f, 0.5f * w));
temp.SetRow(1, new Vector4(0.0f, 0.5f * h, 0.0f, 0.5f * h));
temp.SetRow(2, new Vector4(0.0f, 0.0f, 0.5f, 0.5f));
temp.SetRow(3, new Vector4(0.0f, 0.0f, 0.0f, 1.0f));
var projscr = temp * proj;
var invProjscr = projscr.inverse;
//
var proj = camera.projectionMatrix;
var temp = new Matrix4x4();
temp.SetRow(0, new Vector4(1.0f, 0.0f, 0.0f, 0.0f));
temp.SetRow(1, new Vector4(0.0f, 1.0f, 0.0f, 0.0f));
temp.SetRow(2, new Vector4(0.0f, 0.0f, 0.5f, 0.5f));
temp.SetRow(3, new Vector4(0.0f, 0.0f, 0.0f, 1.0f));
var projh = temp * proj;
var invProjh = projh.inverse;
temp.SetRow(0, new Vector4(0.5f * w, 0.0f, 0.0f, 0.5f * w));
temp.SetRow(1, new Vector4(0.0f, 0.5f * h, 0.0f, 0.5f * h));
temp.SetRow(2, new Vector4(0.0f, 0.0f, 0.5f, 0.5f));
temp.SetRow(3, new Vector4(0.0f, 0.0f, 0.0f, 1.0f));
var projscr = temp * proj;
var invProjscr = projscr.inverse;
cmd.SetComputeIntParam(deferredComputeShader, "g_iNrVisibLights", numLights);
SetMatrixCS(cmd, deferredComputeShader, "g_mScrProjection", projscr);
SetMatrixCS(cmd, deferredComputeShader, "g_mInvScrProjection", invProjscr);
SetMatrixCS(cmd, deferredComputeShader, "g_mViewToWorld", camera.cameraToWorldMatrix);
cmd.SetComputeIntParam(deferredComputeShader, "g_iNrVisibLights", numLights);
SetMatrixCS(cmd, deferredComputeShader, "g_mScrProjection", projscr);
SetMatrixCS(cmd, deferredComputeShader, "g_mInvScrProjection", invProjscr);
SetMatrixCS(cmd, deferredComputeShader, "g_mViewToWorld", camera.cameraToWorldMatrix);
if (bUseClusteredForDeferred)
{
cmd.SetComputeBufferParam(deferredComputeShader, kernel, "g_vLayeredOffsetsBuffer", s_PerVoxelOffset);
if (k_UseDepthBuffer)
if (bUseClusteredForDeferred)
cmd.SetComputeBufferParam(deferredComputeShader, kernel, "g_logBaseBuffer", s_PerTileLogBaseTweak);
cmd.SetComputeBufferParam(deferredComputeShader, kernel, "g_vLayeredOffsetsBuffer", s_PerVoxelOffset);
if (k_UseDepthBuffer)
{
cmd.SetComputeBufferParam(deferredComputeShader, kernel, "g_logBaseBuffer", s_PerTileLogBaseTweak);
}
}
cmd.SetComputeIntParam(deferredComputeShader, "g_widthRT", w);
cmd.SetComputeIntParam(deferredComputeShader, "g_heightRT", h);
cmd.SetComputeIntParam(deferredComputeShader, "g_nNumDirLights", numDirLights);
cmd.SetComputeBufferParam(deferredComputeShader, kernel, "g_dirLightData", s_DirLightList);
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "uavOutput", new RenderTargetIdentifier(s_CameraTarget));
cmd.SetComputeIntParam(deferredComputeShader, "g_widthRT", w);
cmd.SetComputeIntParam(deferredComputeShader, "g_heightRT", h);
cmd.SetComputeIntParam(deferredComputeShader, "g_nNumDirLights", numDirLights);
cmd.SetComputeBufferParam(deferredComputeShader, kernel, "g_dirLightData", s_DirLightList);
cmd.SetComputeTextureParam(deferredComputeShader, kernel, "uavOutput", new RenderTargetIdentifier(s_CameraTarget));
SetMatrixArrayCS(cmd, deferredComputeShader, "g_matWorldToShadow", m_MatWorldToShadow);
SetVectorArrayCS(cmd, deferredComputeShader, "g_vDirShadowSplitSpheres", m_DirShadowSplitSpheres);
cmd.SetComputeVectorParam(deferredComputeShader, "g_vShadow3x3PCFTerms0", m_Shadow3X3PCFTerms[0]);
cmd.SetComputeVectorParam(deferredComputeShader, "g_vShadow3x3PCFTerms1", m_Shadow3X3PCFTerms[1]);
cmd.SetComputeVectorParam(deferredComputeShader, "g_vShadow3x3PCFTerms2", m_Shadow3X3PCFTerms[2]);
cmd.SetComputeVectorParam(deferredComputeShader, "g_vShadow3x3PCFTerms3", m_Shadow3X3PCFTerms[3]);
SetMatrixArrayCS(cmd, deferredComputeShader, "g_matWorldToShadow", m_MatWorldToShadow);
SetVectorArrayCS(cmd, deferredComputeShader, "g_vDirShadowSplitSpheres", m_DirShadowSplitSpheres);
cmd.SetComputeVectorParam(deferredComputeShader, "g_vShadow3x3PCFTerms0", m_Shadow3X3PCFTerms[0]);
cmd.SetComputeVectorParam(deferredComputeShader, "g_vShadow3x3PCFTerms1", m_Shadow3X3PCFTerms[1]);
cmd.SetComputeVectorParam(deferredComputeShader, "g_vShadow3x3PCFTerms2", m_Shadow3X3PCFTerms[2]);
cmd.SetComputeVectorParam(deferredComputeShader, "g_vShadow3x3PCFTerms3", m_Shadow3X3PCFTerms[3]);
cmd.DispatchCompute(deferredComputeShader, kernel, numTilesX, numTilesY, 1);
}
else
{*/
cmd.DispatchCompute(deferredComputeShader, kernel, numTilesX, numTilesY, 1);
}
else
{*/
if (enableDirectIndirectSinglePass)
{
cmd.Blit(null, cameraColorBufferRT, m_DeferredAllMaterial, 0);

cmd.Blit(null, cameraColorBufferRT, m_DeferredDirectMaterial, 0);
cmd.Blit(null, cameraColorBufferRT, m_DeferredIndirectMaterial, 0);
}
//}
//}
if (debugViewTilesFlags != 0)
{
cmd.Blit(null, cameraColorBufferRT, m_DebugViewTilesMaterial, 0);
}
if(debugViewTilesFlags != 0)
{
cmd.Blit(null, cameraColorBufferRT, m_DebugViewTilesMaterial, 0);
}
renderLoop.ExecuteCommandBuffer(cmd);
cmd.Dispose();
} // TilePass - Deferred Lighting Pass
renderLoop.ExecuteCommandBuffer(cmd);
cmd.Dispose();
}
}
}

4
Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/TilePass/TilePass.hlsl
查看文件


int g_iLog2NumClusters; // We need to always define these to keep constant buffer layouts compatible
uint g_isLogBaseBufferEnabled;
uint g_isOpaquesOnlyEnabled;
uint _UseTileLightList;
//#endif
#ifdef USE_CLUSTERED_LIGHTLIST

// TODO: Need to correctly define the shadow framework, WIP
#include "../SinglePass/SinglePass.hlsl"
#include "../SinglePass/SinglePass.hlsl"

63
Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/TilePass/TilePassLoop.hlsl
查看文件


return (tileIndex.y + lightCategory * _NumTileY) * _NumTileX + tileIndex.x;
}
void GetCountAndStartOpaque(Coordinate coord, uint lightCategory, float linearDepth, out uint start, out uint lightCount)
void GetCountAndStartTile(Coordinate coord, uint lightCategory, float linearDepth, out uint start, out uint lightCount)
{
const int tileOffset = GetTileOffset(coord, lightCategory);

}
uint FetchIndexOpaque(uint tileOffset, uint lightIndex)
uint FetchIndexTile(uint tileOffset, uint lightIndex)
{
const uint lightIndexPlusOne = lightIndex + 1; // Add +1 as first slot is reserved to store number of light
// Light index are store on 16bit

GetCountAndStartOpaque(coord, lightCategory, linearDepth, start, lightCount);
GetCountAndStartTile(coord, lightCategory, linearDepth, start, lightCount);
return FetchIndexOpaque(tileOffset, lightIndex);
return FetchIndexTile(tileOffset, lightIndex);
}
#else

void GetCountAndStart(Coordinate coord, uint lightCategory, float linearDepth, out uint start, out uint lightCount)
void GetCountAndStartCluster(Coordinate coord, uint lightCategory, float linearDepth, out uint start, out uint lightCount)
if(g_isOpaquesOnlyEnabled)
uint2 tileIndex = coord.unPositionSS / TILE_SIZE;
float logBase = g_fClustBase;
if (g_isLogBaseBufferEnabled)
GetCountAndStartOpaque(coord, lightCategory, linearDepth, start, lightCount);
logBase = g_logBaseBuffer[tileIndex.y * _NumTileX + tileIndex.x];
else
{
uint2 tileIndex = coord.unPositionSS / TILE_SIZE;
float logBase = g_fClustBase;
if (g_isLogBaseBufferEnabled)
{
logBase = g_logBaseBuffer[tileIndex.y * _NumTileX + tileIndex.x];
}
int clustIdx = SnapToClusterIdxFlex(linearDepth, logBase, g_isLogBaseBufferEnabled != 0);
int nrClusters = (1 << g_iLog2NumClusters);
const int idx = ((lightCategory * nrClusters + clustIdx) * _NumTileY + tileIndex.y) * _NumTileX + tileIndex.x;
uint dataPair = g_vLayeredOffsetsBuffer[idx];
start = dataPair & 0x7ffffff;
lightCount = (dataPair >> 27) & 31;
}
int clustIdx = SnapToClusterIdxFlex(linearDepth, logBase, g_isLogBaseBufferEnabled != 0);
uint FetchIndexCluster(uint tileOffset, uint lightIndex)
{
return g_vLightListGlobal[tileOffset + lightIndex];
}
int nrClusters = (1 << g_iLog2NumClusters);
const int idx = ((model * nrClusters + clustIdx) * _NumTileY + tileIndex.y) * _NumTileX + tileIndex.x;
uint dataPair = g_vLayeredOffsetsBuffer[idx];
start = dataPair & 0x7ffffff;
lightCount = (dataPair >> 27) & 31;
}
void GetCountAndStart(Coordinate coord, uint lightCategory, float linearDepth, out uint start, out uint lightCount)
{
if (_UseTileLightList)
GetCountAndStartTile(coord, lightCategory, linearDepth, start, lightCount);
else
GetCountAndStartCluster(coord, lightCategory, linearDepth, start, lightCount);
if(g_isOpaquesOnlyEnabled)
return FetchIndexOpaque(tileOffset, lightIndex);
if (_UseTileLightList)
return FetchIndexTile(tileOffset, lightIndex);
return g_vLightListGlobal[tileOffset + lightIndex];
return FetchIndexCluster(tileOffset, lightIndex);
}
float GetLinearDepth(float zDptBufSpace) // 0 is near 1 is far

out float3 diffuseLighting,
out float3 specularLighting)
{
#if USE_CLUSTERED_LIGHTLIST
// TODO: Think more about the design, it is ok to do that ? hope the compiler could optimize it out as we do it before LightLoop call, else need to pass it as argument...
#ifdef USE_CLUSTERED_LIGHTLIST
// TODO: Think more about the design, it is ok to do that ? hope the compiler could optimize it out as we already depth before LightLoop call, else need to pass it as argument...
float linearDepth = 0.0; // unsued
float linearDepth = 0.0; // unused
#endif
LightLoopContext context;

12
Assets/ScriptableRenderLoop/HDRenderLoop/Material/Lit/Lit.hlsl
查看文件


ltcValue *= lightData.specularScale;
specularLighting = fresnelTerm * lightData.color * ltcValue;
}
#endif
#endif // LIT_DISPLAY_REFERENCE_AREA
}
//-----------------------------------------------------------------------------

ltcValue *= lightData.specularScale;
specularLighting = fresnelTerm * lightData.color * ltcValue;
}
#endif
#endif // LIT_DISPLAY_REFERENCE_AREA
}
//-----------------------------------------------------------------------------

if (lightData.envShapeType == ENVSHAPETYPE_BOX)
{
float3 dirLS = mul(preLightData.iblDirWS, worldToLocal);
float3 dirLS = mul(R, worldToLocal);
R = (positionWS + dist * preLightData.iblDirWS) - lightData.positionWS;
R = (positionWS + dist * R) - lightData.positionWS;
float3 dirLS = mul(preLightData.iblDirWS, worldToLocal);
float3 dirLS = mul(R, worldToLocal);
R = (positionWS + dist * preLightData.iblDirWS) - lightData.positionWS;
R = (positionWS + dist * R) - lightData.positionWS;
}
// 2. Apply the influence volume (Box volume is used for culling whatever the influence shape)

2
Assets/ScriptableRenderLoop/HDRenderLoop/Material/Lit/LitSurfaceData.hlsl
查看文件


// TODO: think about using BC5
#ifdef _TANGENTMAP
#ifdef _NORMALMAP_TANGENT_SPACE // Normal and tangent use same space
float3 tangentTS = SAMPLE_LAYER_NORMALMAP(ADD_IDX(_TangentMap), ADD_ZERO_IDX(sampler_TangentMap), ADD_IDX(layerTexCoord.base)));
float3 tangentTS = SAMPLE_LAYER_NORMALMAP(ADD_IDX(_TangentMap), ADD_ZERO_IDX(sampler_TangentMap), ADD_IDX(layerTexCoord.base));
surfaceData.tangentWS = TransformTangentToWorld(tangentTS, input.tangentToWorld);
#else // Object space (TODO: We need to apply the world rotation here! - Require to pass world transform)
surfaceData.tangentWS = SAMPLE_LAYER_TEXTURE2D(ADD_IDX(_TangentMap), ADD_ZERO_IDX(sampler_TangentMap), ADD_IDX(layerTexCoord.base)).rgb;

4
Assets/ScriptableRenderLoop/HDRenderLoop/Sky/Resources/GGXConvolve.shader
查看文件


PerceptualRoughnessToRoughness(perceptualRoughness),
_MipMapCount,
_InvOmegaP,
2048,
false);
64,
true);
return val;
}

6
Assets/ScriptableRenderLoop/HDRenderLoop/Sky/Resources/SkyHDRI.shader
查看文件


float3 rotDirY = float3(sinPhi, 0, cosPhi);
dir = float3(dot(rotDirX, dir), dir.y, dot(rotDirY, dir));
/*
Coordinate coord = GetCoordinate(input.positionCS.xy, _ScreenSize.zw);
// If the sky box is too far away (depth set to 0), the resulting look is too foggy.

}
#endif
*/
return float4(skyColor, 1.0);
return float4(skyColor * (skyTexWeight * extinction) + scatter, extinction);
//return float4(skyColor * (skyTexWeight * extinction) + scatter, extinction);
}
ENDHLSL

115
Assets/ScriptableRenderLoop/HDRenderLoop/Sky/SkyRenderer.cs
查看文件


namespace UnityEngine.Experimental.ScriptableRenderLoop
{
[Serializable]
public enum SkyResolution
{
SkyResolution128 = 128,
SkyResolution256 = 256,
SkyResolution512 = 512,
SkyResolution1024 = 1024,
// TODO: Anything above 1024 cause a crash in Unity...
//SkyResolution2048 = 2048,
//SkyResolution4096 = 4096
}
[Serializable]
public float multiplier = 1.0f;
public float multiplier = 1.0f;
public SkyResolution skyResolution = SkyResolution.SkyResolution256;
const int kSkyCubemapSize = 256;
RenderTexture m_SkyboxCubemapRT = null;
RenderTexture m_SkyboxGGXCubemapRT = null;

SkyParameters m_bakedSkyParameters = new SkyParameters(); // This is the SkyParam used when baking and convolving the sky.
Mesh[] m_CubemapFaceMesh = new Mesh[6];
Mesh BuildSkyMesh(Camera camera, bool forceUVBottom)
{

vertData[2] = new Vector3(vertData2.x, vertData2.y, vertData2.z);
vertData[3] = new Vector3(vertData3.x, vertData3.y, vertData3.z);
// Get view vector vased on the frustrum, i.e (invert transform frustrum get position etc...)
// Get view vector based on the frustum, i.e (invert transform frustum get position etc...)
Vector3[] eyeVectorData = new Vector3[4];
Matrix4x4 transformMatrix = camera.cameraToWorldMatrix * camera.projectionMatrix.inverse;

};
}
void RebuildTextures()
void RebuildTextures(SkyParameters skyParameters)
if(m_SkyboxCubemapRT == null)
if ((m_SkyboxCubemapRT != null) && (m_SkyboxCubemapRT.width != (int)skyParameters.skyResolution))
m_SkyboxCubemapRT = new RenderTexture(kSkyCubemapSize, kSkyCubemapSize, 1, RenderTextureFormat.ARGBHalf);
Utilities.Destroy(m_SkyboxCubemapRT);
m_SkyboxCubemapRT = null;
Utilities.Destroy(m_SkyboxGGXCubemapRT);
m_SkyboxGGXCubemapRT = null;
}
if (m_SkyboxCubemapRT == null)
{
m_SkyboxCubemapRT = new RenderTexture((int)skyParameters.skyResolution, (int)skyParameters.skyResolution, 1, RenderTextureFormat.ARGBHalf);
m_SkyboxCubemapRT.autoGenerateMips = true;
m_SkyboxCubemapRT.filterMode = FilterMode.Point;
m_SkyboxCubemapRT.autoGenerateMips = true; // Generate regular mipmap for filtered importance sampling
m_SkyboxCubemapRT.filterMode = FilterMode.Trilinear;
}
if(m_SkyboxGGXCubemapRT == null)
{
m_SkyboxGGXCubemapRT = new RenderTexture(kSkyCubemapSize, kSkyCubemapSize, 1, RenderTextureFormat.ARGBHalf);
m_SkyboxGGXCubemapRT = new RenderTexture((int)skyParameters.skyResolution, (int)skyParameters.skyResolution, 1, RenderTextureFormat.ARGBHalf);
m_SkyboxGGXCubemapRT.dimension = TextureDimension.Cube;
m_SkyboxGGXCubemapRT.useMipMap = true;
m_SkyboxGGXCubemapRT.autoGenerateMips = false;

Shader.SetGlobalTexture("_SkyTexture", m_SkyboxGGXCubemapRT);
}
public void Resize(SkyParameters skyParameters)
{
// When loading RenderDoc, RenderTextures will go null
RebuildTextures(skyParameters);
}
public void Rebuild()
{
// TODO: We need to have an API to send our sky information to Enlighten. For now use a workaround through skybox/cubemap material...

m_GGXConvolveMaterial = Utilities.CreateEngineMaterial("Hidden/HDRenderLoop/GGXConvolve");
m_RenderSkyPropertyBlock = new MaterialPropertyBlock();
RebuildTextures();
m_RenderSkyPropertyBlock = new MaterialPropertyBlock();
Matrix4x4 cubeProj = Matrix4x4.Perspective(90.0f, 1.0f, 0.1f, 1.0f);

camera.projectionMatrix = cubeProj;
Transform transform = camera.GetComponent<Transform>();
transform.LookAt(lookAtList[i], UpVectorList[i]);
// When rendering into a texture the render will be flip (due to legacy unity openGL behavior), so we need to flip UV here...
m_CubemapFaceMesh[i] = BuildSkyMesh(camera, true);
}
}

return parameters.skyHDRI != null;
}
private void RenderSky(Camera camera, SkyParameters skyParameters, bool forceUVBottom, RenderLoop renderLoop)
private void RenderSky(Camera camera, SkyParameters skyParameters, Mesh skyMesh, RenderLoop renderLoop)
Mesh skyMesh = BuildSkyMesh(camera, forceUVBottom);
Shader.EnableKeyword("PERFORM_SKY_OCCLUSION_TEST");
m_RenderSkyPropertyBlock.SetTexture("_Cubemap", skyParameters.skyHDRI);

{
Utilities.SetRenderTarget(renderLoop, target, 0, (CubemapFace)i);
Camera faceCamera = m_CubemapFaceCamera[i].GetComponent<Camera>();
RenderSky(faceCamera, skyParameters, true, renderLoop);
RenderSky(faceCamera, skyParameters, m_CubemapFaceMesh[i], renderLoop);
}
}

Utilities.SetRenderTarget(renderLoop, target, mip, (CubemapFace)face);
Camera faceCamera = m_CubemapFaceCamera[face].GetComponent<Camera>();
Mesh skyMesh = BuildSkyMesh(faceCamera, true);
cmd.DrawMesh(skyMesh, Matrix4x4.identity, m_GGXConvolveMaterial, 0, 0, propertyBlock);
cmd.DrawMesh(m_CubemapFaceMesh[face], Matrix4x4.identity, m_GGXConvolveMaterial, 0, 0, propertyBlock);
renderLoop.ExecuteCommandBuffer(cmd);
cmd.Dispose();
}

{
using (new Utilities.ProfilingSample("Sky Pass", renderLoop))
{
//using (new EditorGUI.DisabledScope(m_LookDevEnvLibrary.hdriList.Count <= 1))
// When loading RenderDoc, RenderTextures will go null
RebuildTextures();
// Trigger a rebuild of cubemap / convolution
// TODO: can we have some kind of hash value here ? +> use or override GetHashCode() + include a refresh rate value in parameters
if (skyParameters.skyResolution != m_bakedSkyParameters.skyResolution ||
skyParameters.exposure != m_bakedSkyParameters.exposure ||
skyParameters.rotation != m_bakedSkyParameters.rotation ||
skyParameters.multiplier != m_bakedSkyParameters.multiplier)
{
using (new Utilities.ProfilingSample("Sky Pass: Render Cubemap", renderLoop))
{
// Render sky into a cubemap - doesn't happen every frame, can be controlled
RenderSkyToCubemap(skyParameters, m_SkyboxCubemapRT, renderLoop);
// Convolve downsampled cubemap
RenderCubemapGGXConvolution(m_SkyboxCubemapRT, m_SkyboxGGXCubemapRT, renderLoop);
using (new Utilities.ProfilingSample("Sky Pass: Render Cubemap", renderLoop))
{
// Render sky into a cubemap - doesn't happen every frame, can be controlled
RenderSkyToCubemap(skyParameters, m_SkyboxCubemapRT, renderLoop);
// Convolve downsampled cubemap
RenderCubemapGGXConvolution(m_SkyboxCubemapRT, m_SkyboxGGXCubemapRT, renderLoop);
// TODO: Properly send the cubemap to Enlighten. Currently workaround is to set the cubemap in a Skybox/cubemap material
m_StandardSkyboxMaterial.SetTexture("_Tex", m_SkyboxCubemapRT);
RenderSettings.skybox = m_StandardSkyboxMaterial; // Setup this material as the default to be use in RenderSettings
RenderSettings.ambientIntensity = 1.0f; // fix this to 1, this parameter should not exist!
RenderSettings.ambientMode = UnityEngine.Rendering.AmbientMode.Skybox; // Force skybox for our HDRI
RenderSettings.reflectionIntensity = 1.0f;
RenderSettings.customReflection = null;
//DynamicGI.UpdateEnvironment();
}
// TODO: Properly send the cubemap to Enlighten. Currently workaround is to set the cubemap in a Skybox/cubemap material
m_StandardSkyboxMaterial.SetTexture("_Tex", m_SkyboxCubemapRT);
RenderSettings.skybox = m_StandardSkyboxMaterial; // Setup this material as the default to be use in RenderSettings
RenderSettings.ambientIntensity = 1.0f; // fix this to 1, this parameter should not exist!
RenderSettings.ambientMode = UnityEngine.Rendering.AmbientMode.Skybox; // Force skybox for our HDRI
RenderSettings.reflectionIntensity = 1.0f;
RenderSettings.customReflection = null;
//DynamicGI.UpdateEnvironment();
// Cleanup all this...
m_bakedSkyParameters.skyResolution = skyParameters.skyResolution;
m_bakedSkyParameters.exposure = skyParameters.exposure;
m_bakedSkyParameters.rotation = skyParameters.rotation;
m_bakedSkyParameters.multiplier = skyParameters.multiplier;
RenderSky(camera, skyParameters, false, renderLoop);
RenderSky(camera, skyParameters, BuildSkyMesh(camera, false), renderLoop);
}
}
}

2
Assets/ScriptableRenderLoop/fptl/FptlLighting.cs
查看文件


void DoTiledDeferredLighting(Camera camera, RenderLoop loop, int numLights, int numDirLights)
{
var bUseClusteredForDeferred = !usingFptl; // doesn't work on reflections yet but will soon
var bUseClusteredForDeferred = !usingFptl;
var cmd = new CommandBuffer();
m_DeferredMaterial.EnableKeyword(bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");

2
ProjectSettings/GraphicsSettings.asset
查看文件


m_PreloadedShaders: []
m_SpritesDefaultMaterial: {fileID: 10754, guid: 0000000000000000f000000000000000,
type: 0}
m_ScriptableRenderLoop: {fileID: 11400000, guid: 9654ae26e66cbee45b8d2a4f8cac0ceb,
m_ScriptableRenderLoop: {fileID: 11400000, guid: 2400b74f5ce370c4481e5dc417d03703,
type: 2}
m_TransparencySortMode: 0
m_TransparencySortAxis: {x: 0, y: 0, z: 1}

2
ProjectSettings/ProjectVersion.txt
查看文件


m_EditorVersion: 5.6.0a5
m_EditorVersion: 5.6.0a6
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