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Make a copy of the stencil buffer

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Evgenii Golubev 8 年前
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738befc5
共有 5 个文件被更改，包括 100 次插入 和 137 次删除
  1. 94
      Assets/ScriptableRenderLoop/HDRenderPipeline/HDRenderPipeline.cs
  2. 2
      Assets/ScriptableRenderLoop/HDRenderPipeline/Lighting/LightLoop.cs
  3. 15
      Assets/ScriptableRenderLoop/HDRenderPipeline/Lighting/Resources/Deferred.shader
  4. 101
      Assets/ScriptableRenderLoop/HDRenderPipeline/Lighting/TilePass/TilePass.cs
  5. 25
      Assets/ScriptableRenderLoop/HDRenderPipeline/Utilities.cs

94
Assets/ScriptableRenderLoop/HDRenderPipeline/HDRenderPipeline.cs
查看文件


// Various buffer
int m_CameraColorBuffer;
int m_CameraDiffuseLightingBuffer;
int m_CameraDepthBuffer;
int m_CameraSubsurfaceBuffer;
int m_CameraDepthStencilBuffer;
int m_CameraStencilBuffer;
// 'm_CameraColorBuffer' contains only the specular lighting until the SSS pass, and the combined lighting afterwards.
// 'm_CameraColorBuffer' does not contain diffuse lighting of SSS materials until the SSS pass.
// It is stored within 'm_CameraSubsurfaceBufferRT'.
RenderTargetIdentifier m_CameraDiffuseLightingBufferRT;
RenderTargetIdentifier m_CameraDepthBufferRT;
RenderTargetIdentifier m_CameraSubsurfaceBufferRT;
RenderTargetIdentifier m_CameraDepthStencilBufferRT;
// 'm_CameraStencilBufferRT' is a temporary copy of the stencil buffer and should be removed
// once we are able to read from the depth buffer and perform the stencil test simulatenously.
RenderTargetIdentifier m_CameraStencilBufferRT;
RenderTargetIdentifier m_VelocityBufferRT;
RenderTargetIdentifier m_DistortionBufferRT;

UnityEngine.Rendering.GraphicsSettings.lightsUseLinearIntensity = true;
UnityEngine.Rendering.GraphicsSettings.lightsUseCCT = true;
m_CameraColorBuffer = Shader.PropertyToID("_CameraColorTexture");
m_CameraDiffuseLightingBuffer = Shader.PropertyToID("_CameraDiffuseLightingBuffer");
m_CameraDepthBuffer = Shader.PropertyToID("_CameraDepthTexture");
m_CameraColorBuffer = Shader.PropertyToID("_CameraColorTexture");
m_CameraSubsurfaceBuffer = Shader.PropertyToID("_CameraSubsurfaceTexture");
m_CameraDepthStencilBuffer = Shader.PropertyToID("_CameraDepthTexture");
m_CameraStencilBuffer = Shader.PropertyToID("_CameraStencilTexture");
m_CameraColorBufferRT = new RenderTargetIdentifier(m_CameraColorBuffer);
m_CameraDiffuseLightingBufferRT = new RenderTargetIdentifier(m_CameraDiffuseLightingBuffer);
m_CameraDepthBufferRT = new RenderTargetIdentifier(m_CameraDepthBuffer);
m_CameraColorBufferRT = new RenderTargetIdentifier(m_CameraColorBuffer);
m_CameraSubsurfaceBufferRT = new RenderTargetIdentifier(m_CameraSubsurfaceBuffer);
m_CameraDepthStencilBufferRT = new RenderTargetIdentifier(m_CameraDepthStencilBuffer);
m_CameraStencilBufferRT = new RenderTargetIdentifier(m_CameraStencilBuffer);
m_SkyManager.Build();

int w = camera.pixelWidth;
int h = camera.pixelHeight;
cmd.GetTemporaryRT(m_CameraColorBuffer, w, h, 0, FilterMode.Point, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Linear, 1, true); // Enable UAV
cmd.GetTemporaryRT(m_CameraDiffuseLightingBuffer, w, h, 0, FilterMode.Point, RenderTextureFormat.RGB111110Float, RenderTextureReadWrite.Linear, 1, true); // Enable UAV
cmd.GetTemporaryRT(m_CameraDepthBuffer, w, h, 24, FilterMode.Point, RenderTextureFormat.Depth);
cmd.GetTemporaryRT(m_CameraColorBuffer, w, h, 0, FilterMode.Point, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Linear, 1, true); // Enable UAV
cmd.GetTemporaryRT(m_CameraSubsurfaceBuffer, w, h, 0, FilterMode.Point, RenderTextureFormat.RGB111110Float, RenderTextureReadWrite.Linear, 1, true); // Enable UAV
cmd.GetTemporaryRT(m_CameraDepthStencilBuffer, w, h, 24, FilterMode.Point, RenderTextureFormat.Depth);
cmd.GetTemporaryRT(m_CameraStencilBuffer, w, h, 24, FilterMode.Point, RenderTextureFormat.Depth);
if (!debugParameters.ShouldUseForwardRenderingOnly())
{

renderContext.ExecuteCommandBuffer(cmd);
cmd.Dispose();
Utilities.SetRenderTarget(renderContext, m_CameraColorBufferRT, m_CameraDepthBufferRT, ClearFlag.ClearDepth);
Utilities.SetRenderTarget(renderContext, m_CameraColorBufferRT, m_CameraDepthStencilBufferRT, ClearFlag.ClearDepth);
}
// TEMP: As we are in development and have not all the setup pass we still clear the color in emissive buffer and gbuffer, but this will be removed later.

{
Utilities.SetRenderTarget(renderContext, m_CameraColorBufferRT, m_CameraDepthBufferRT, ClearFlag.ClearColor, Color.black);
Utilities.SetRenderTarget(renderContext, m_CameraColorBufferRT, m_CameraDepthStencilBufferRT, ClearFlag.ClearColor, Color.black);
// Clear the diffuse lighting target
using (new Utilities.ProfilingSample("Clear diffuse lighting target", renderContext))
// Clear the diffuse SSS lighting target
using (new Utilities.ProfilingSample("Clear diffuse SSS target", renderContext))
Utilities.SetRenderTarget(renderContext, m_CameraDiffuseLightingBufferRT, m_CameraDepthBufferRT, ClearFlag.ClearColor, Color.black);
Utilities.SetRenderTarget(renderContext, m_CameraSubsurfaceBufferRT, m_CameraDepthStencilBufferRT, ClearFlag.ClearColor, Color.black);
}
// Clear GBuffers

{
Utilities.SetRenderTarget(renderContext, m_gbufferManager.GetGBuffers(), m_CameraDepthBufferRT, ClearFlag.ClearColor, Color.black);
Utilities.SetRenderTarget(renderContext, m_gbufferManager.GetGBuffers(), m_CameraDepthStencilBufferRT, ClearFlag.ClearColor, Color.black);
}
}
// END TEMP

{
// TODO: Must do opaque then alpha masked for performance!
// TODO: front to back for opaque and by materal for opaque tested when we split in two
Utilities.SetRenderTarget(renderContext, m_CameraDepthBufferRT);
Utilities.SetRenderTarget(renderContext, m_CameraDepthStencilBufferRT);
RenderOpaqueRenderList(cull, camera, renderContext, "DepthOnly");
}
}

using (new Utilities.ProfilingSample("GBuffer Pass", renderContext))
{
// setup GBuffer for rendering
Utilities.SetRenderTarget(renderContext, m_gbufferManager.GetGBuffers(), m_CameraDepthBufferRT);
Utilities.SetRenderTarget(renderContext, m_gbufferManager.GetGBuffers(), m_CameraDepthStencilBufferRT);
// render opaque objects into GBuffer
RenderOpaqueRenderList(cull, camera, renderContext, "GBuffer", Utilities.kRendererConfigurationBakedLighting);
}

using (new Utilities.ProfilingSample("Forward opaque depth", renderContext))
{
Utilities.SetRenderTarget(renderContext, m_CameraDepthBufferRT);
Utilities.SetRenderTarget(renderContext, m_CameraDepthStencilBufferRT);
RenderOpaqueRenderList(cull, camera, renderContext, "ForwardOnlyOpaqueDepthOnly");
}
}

using (new Utilities.ProfilingSample("DebugView Material Mode Pass", renderContext))
// Render Opaque forward
{
Utilities.SetRenderTarget(renderContext, m_CameraColorBufferRT, m_CameraDepthBufferRT, Utilities.kClearAll, Color.black);
Utilities.SetRenderTarget(renderContext, m_CameraColorBufferRT, m_CameraDepthStencilBufferRT, Utilities.kClearAll, Color.black);
Shader.SetGlobalInt("_DebugViewMaterial", (int)debugParameters.debugViewMaterial);

return ;
}
RenderTargetIdentifier[] colorRTs = { m_CameraColorBufferRT, m_CameraDiffuseLightingBufferRT };
RenderTargetIdentifier[] colorRTs = { m_CameraColorBufferRT, m_CameraSubsurfaceBufferRT };
m_lightLoop.RenderDeferredLighting(hdCamera, renderContext, colorRTs, m_CameraDepthBufferRT, true);
/* TODO-READ_DEPTH-TEST_STENCIL
* In Unity, it is currently not possible to perform the stencil test while at the same time
* reading from the depth texture in the shader. It is legal in Direct3D.
* Therefore, we are forced to split lighting using MRT for all materials.
m_lightLoop.RenderDeferredLighting(hdCamera, renderContext, colorRTs, m_CameraStencilBufferRT, true);
m_lightLoop.RenderDeferredLighting(hdCamera, renderContext, colorRTs, m_CameraDepthBufferRT, false);
*/
m_lightLoop.RenderDeferredLighting(hdCamera, renderContext, colorRTs, m_CameraStencilBufferRT, false);
}
// Combines specular lighting and diffuse lighting with subsurface scattering.

// Perform the horizontal SSS filtering pass, and combine diffuse and specular lighting.
cmdBuf.SetComputeTextureParam(m_CombineSubsurfaceScatteringCS, m_FilterHorizontalAndCombineKernel,
"diffuseFilterSource", m_CameraDiffuseLightingBufferRT);
"diffuseFilterSource", m_CameraSubsurfaceBufferRT);
cmdBuf.SetComputeTextureParam(m_CombineSubsurfaceScatteringCS, m_FilterHorizontalAndCombineKernel,
"specularSourceAndColorTarget", m_CameraColorBufferRT);
cmdBuf.DispatchCompute(m_CombineSubsurfaceScatteringCS, m_FilterHorizontalAndCombineKernel, groupSizeHorizontal, screenHeight, 1);

void RenderSky(HDCamera hdCamera, ScriptableRenderContext renderContext)
{
m_SkyManager.RenderSky(hdCamera, m_lightLoop.GetCurrentSunLight(), m_CameraColorBufferRT, m_CameraDepthBufferRT, renderContext);
m_SkyManager.RenderSky(hdCamera, m_lightLoop.GetCurrentSunLight(), m_CameraColorBufferRT, m_CameraDepthStencilBufferRT, renderContext);
}
void RenderForward(CullResults cullResults, Camera camera, ScriptableRenderContext renderContext, bool renderOpaque)

using (new Utilities.ProfilingSample("Forward Pass", renderContext))
{
Utilities.SetRenderTarget(renderContext, m_CameraColorBufferRT, m_CameraDepthBufferRT);
Utilities.SetRenderTarget(renderContext, m_CameraColorBufferRT, m_CameraDepthStencilBufferRT);
m_lightLoop.RenderForward(camera, renderContext, renderOpaque);

{
using (new Utilities.ProfilingSample("Forward Only Pass", renderContext))
{
Utilities.SetRenderTarget(renderContext, m_CameraColorBufferRT, m_CameraDepthBufferRT);
Utilities.SetRenderTarget(renderContext, m_CameraColorBufferRT, m_CameraDepthStencilBufferRT);
m_lightLoop.RenderForward(camera, renderContext, true);
RenderOpaqueRenderList(cullResults, camera, renderContext, "ForwardOnlyOpaque", Utilities.kRendererConfigurationBakedLighting);

var cmd = new CommandBuffer { name = "" };
cmd.GetTemporaryRT(m_VelocityBuffer, w, h, 0, FilterMode.Point, Builtin.RenderLoop.GetVelocityBufferFormat(), Builtin.RenderLoop.GetVelocityBufferReadWrite());
cmd.SetRenderTarget(m_VelocityBufferRT, m_CameraDepthBufferRT);
cmd.SetRenderTarget(m_VelocityBufferRT, m_CameraDepthStencilBufferRT);
renderContext.ExecuteCommandBuffer(cmd);
cmd.Dispose();

var cmd = new CommandBuffer { name = "" };
cmd.GetTemporaryRT(m_DistortionBuffer, w, h, 0, FilterMode.Point, Builtin.RenderLoop.GetDistortionBufferFormat(), Builtin.RenderLoop.GetDistortionBufferReadWrite());
cmd.SetRenderTarget(m_DistortionBufferRT, m_CameraDepthBufferRT);
cmd.SetRenderTarget(m_DistortionBufferRT, m_CameraDepthStencilBufferRT);
cmd.ClearRenderTarget(false, true, Color.black); // TODO: can we avoid this clear for performance ?
renderContext.ExecuteCommandBuffer(cmd);
cmd.Dispose();

RenderForwardOnlyOpaqueDepthPrepass(cullResults, camera, renderContext);
RenderGBuffer(cullResults, camera, renderContext);
// 'm_CameraStencilBufferRT' is a temporary copy of the stencil buffer and should be removed
// once we are able to read from the depth buffer and perform the stencil test simulatenously.
using (new Utilities.ProfilingSample("Copy depth-stencil buffer", renderContext))
{
var cmd = new CommandBuffer();
cmd.CopyTexture(m_CameraDepthStencilBufferRT, m_CameraStencilBufferRT);
renderContext.ExecuteCommandBuffer(cmd);
cmd.Dispose();
}
if (debugParameters.debugViewMaterial != 0)
{
RenderDebugViewMaterial(cullResults, hdCamera, renderContext);

using (new Utilities.ProfilingSample("Build Light list", renderContext))
{
m_lightLoop.PrepareLightsForGPU(m_ShadowSettings, cullResults, camera, ref shadows);
m_lightLoop.BuildGPULightLists(camera, renderContext, m_CameraDepthBufferRT); // TODO: Use async compute here to run light culling during shadow
m_lightLoop.BuildGPULightLists(camera, renderContext, m_CameraDepthStencilBufferRT); // TODO: Use async compute here to run light culling during shadow
}
PushGlobalParams(hdCamera, renderContext);

if (camera.cameraType == CameraType.SceneView)
{
var cmd = new CommandBuffer();
cmd.SetRenderTarget(BuiltinRenderTextureType.CameraTarget, m_CameraDepthBufferRT);
cmd.SetRenderTarget(BuiltinRenderTextureType.CameraTarget, m_CameraDepthStencilBufferRT);
renderContext.ExecuteCommandBuffer(cmd);
cmd.Dispose();
}

2
Assets/ScriptableRenderLoop/HDRenderPipeline/Lighting/LightLoop.cs
查看文件


public virtual void PushGlobalParams(Camera camera, ScriptableRenderContext loop) {}
public virtual void RenderDeferredLighting(HDRenderPipeline.HDCamera hdCamera, ScriptableRenderContext renderContext,
RenderTargetIdentifier[] colorBuffers, RenderTargetIdentifier depthStencilBuffer,
RenderTargetIdentifier[] colorBuffers, RenderTargetIdentifier stencilBuffer,
bool outputSplitLighting) {}
public virtual void RenderForward(Camera camera, ScriptableRenderContext renderContext, bool renderOpaque) {}

15
Assets/ScriptableRenderLoop/HDRenderPipeline/Lighting/Resources/Deferred.shader
查看文件


SubShader
{
/* TODO-READ_DEPTH-TEST_STENCIL
* In Unity, it is currently not possible to perform the stencil test while at the same time
* reading from the depth texture in the shader. It is legal in Direct3D.
* Therefore, we are forced to split lighting using MRT for all materials.
Stencil
{
Ref [_StencilRef]

*/
ZWrite Off
ZTest Always

Varyings output;
// Generate a triangle in homogeneous clip space, s.t.
// v0 = (-1, -1, 1), v1 = (3, -1, 1), v2 = (-1, 3, 1).
output.positionCS = float4(float(input.vertexId % 2) * 4.0 - 1.0,
float(input.vertexId / 2) * 4.0 - 1.0, 1.0, 1.0);
// v0 = (-1, -1, 1), v1 = (3, -1, 1), v2 = (-1, 3, 1).
float2 uv = float2((input.vertexId << 1) & 2, input.vertexId & 2);
output.positionCS = float4(uv * 2.0 - 1.0, 1.0, 1.0);
return output;
}

101
Assets/ScriptableRenderLoop/HDRenderPipeline/Lighting/TilePass/TilePass.cs
查看文件


s_LightList = null;
string[] tileKeywords = {"LIGHTLOOP_TILE_DIRECT", "LIGHTLOOP_TILE_INDIRECT", "LIGHTLOOP_TILE_ALL"};
Utilities.SelectKeyword(m_DeferredDirectMaterialSRT, tileKeywords, 0);
m_DeferredDirectMaterialSRT.EnableKeyword("LIGHTLOOP_TILE_DIRECT");
m_DeferredDirectMaterialSRT.DisableKeyword("LIGHTLOOP_TILE_INDIRECT");
m_DeferredDirectMaterialSRT.DisableKeyword("LIGHTLOOP_TILE_ALL");
m_DeferredDirectMaterialSRT.DisableKeyword("OUTPUT_SPLIT_LIGHTING");
m_DeferredDirectMaterialSRT.SetInt("_StencilRef", (int)StencilBits.None);
m_DeferredDirectMaterialSRT.SetInt("_SrcBlend", (int)BlendMode.One);

Utilities.SelectKeyword(m_DeferredDirectMaterialMRT, tileKeywords, 0);
m_DeferredDirectMaterialMRT.EnableKeyword("LIGHTLOOP_TILE_DIRECT");
m_DeferredDirectMaterialMRT.DisableKeyword("LIGHTLOOP_TILE_INDIRECT");
m_DeferredDirectMaterialMRT.DisableKeyword("LIGHTLOOP_TILE_ALL");
m_DeferredDirectMaterialMRT.EnableKeyword("OUTPUT_SPLIT_LIGHTING");
m_DeferredDirectMaterialMRT.SetInt("_StencilRef", (int)StencilBits.SSS);
m_DeferredDirectMaterialMRT.SetInt("_SrcBlend", (int)BlendMode.One);

Utilities.SelectKeyword(m_DeferredIndirectMaterialSRT, tileKeywords, 1);
m_DeferredIndirectMaterialSRT.DisableKeyword("LIGHTLOOP_TILE_DIRECT");
m_DeferredIndirectMaterialSRT.EnableKeyword("LIGHTLOOP_TILE_INDIRECT");
m_DeferredIndirectMaterialSRT.DisableKeyword("LIGHTLOOP_TILE_ALL");
m_DeferredIndirectMaterialSRT.DisableKeyword("OUTPUT_SPLIT_LIGHTING");
m_DeferredIndirectMaterialSRT.SetInt("_StencilRef", (int)StencilBits.None);
m_DeferredIndirectMaterialSRT.SetInt("_SrcBlend", (int)BlendMode.One);

Utilities.SelectKeyword(m_DeferredIndirectMaterialMRT, tileKeywords, 1);
m_DeferredIndirectMaterialMRT.DisableKeyword("LIGHTLOOP_TILE_DIRECT");
m_DeferredIndirectMaterialMRT.EnableKeyword("LIGHTLOOP_TILE_INDIRECT");
m_DeferredIndirectMaterialMRT.DisableKeyword("LIGHTLOOP_TILE_ALL");
m_DeferredIndirectMaterialMRT.EnableKeyword("OUTPUT_SPLIT_LIGHTING");
m_DeferredIndirectMaterialMRT.SetInt("_StencilRef", (int)StencilBits.SSS);
m_DeferredIndirectMaterialMRT.SetInt("_SrcBlend", (int)BlendMode.One);

Utilities.SelectKeyword(m_DeferredAllMaterialSRT, tileKeywords, 2);
m_DeferredAllMaterialSRT.DisableKeyword("LIGHTLOOP_TILE_DIRECT");
m_DeferredAllMaterialSRT.DisableKeyword("LIGHTLOOP_TILE_INDIRECT");
m_DeferredAllMaterialSRT.EnableKeyword("LIGHTLOOP_TILE_ALL");
m_DeferredAllMaterialSRT.DisableKeyword("OUTPUT_SPLIT_LIGHTING");
m_DeferredAllMaterialSRT.SetInt("_StencilRef", (int)StencilBits.None);
m_DeferredAllMaterialSRT.SetInt("_SrcBlend", (int)BlendMode.One);

Utilities.SelectKeyword(m_DeferredAllMaterialMRT, tileKeywords, 2);
m_DeferredAllMaterialMRT.DisableKeyword("LIGHTLOOP_TILE_DIRECT");
m_DeferredAllMaterialMRT.DisableKeyword("LIGHTLOOP_TILE_INDIRECT");
m_DeferredAllMaterialMRT.EnableKeyword("LIGHTLOOP_TILE_ALL");
m_DeferredAllMaterialMRT.EnableKeyword("OUTPUT_SPLIT_LIGHTING");
m_DeferredAllMaterialMRT.SetInt("_StencilRef", (int)StencilBits.SSS);
m_DeferredAllMaterialMRT.SetInt("_SrcBlend", (int)BlendMode.One);

#endif
public override void RenderDeferredLighting(HDRenderPipeline.HDCamera hdCamera, ScriptableRenderContext renderContext,
RenderTargetIdentifier[] colorBuffers, RenderTargetIdentifier depthStencilBuffer,
RenderTargetIdentifier[] colorBuffers, RenderTargetIdentifier stencilBuffer,
bool outputSplitLighting)
{
var bUseClusteredForDeferred = !usingFptl;

{
if (outputSplitLighting)
{
/* TODO-READ_DEPTH-TEST_STENCIL
* In Unity, it is currently not possible to perform the stencil test while at the same time
* reading from the depth texture in the shader. It is legal in Direct3D.
* Therefore, we are forced to split lighting using MRT for all materials.
*/
Utilities.DrawFullscreen(cmd, m_SingleDeferredMaterialMRT, hdCamera, colorBuffers/*, depthStencilBuffer*/);
Utilities.DrawFullscreen(cmd, m_SingleDeferredMaterialMRT, hdCamera, colorBuffers, stencilBuffer);
Utilities.DrawFullscreen(cmd, m_SingleDeferredMaterialSRT, hdCamera, colorBuffers[0], depthStencilBuffer);
Utilities.DrawFullscreen(cmd, m_SingleDeferredMaterialSRT, hdCamera, colorBuffers[0], stencilBuffer);
}
}
else

// Pixel shader evaluation
if (enableSplitLightEvaluation)
{
if (outputSplitLighting)
{
m_DeferredDirectMaterialMRT.EnableKeyword(bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
m_DeferredDirectMaterialMRT.DisableKeyword(!bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
/* TODO-READ_DEPTH-TEST_STENCIL
* In Unity, it is currently not possible to perform the stencil test while at the same time
* reading from the depth texture in the shader. It is legal in Direct3D.
* Therefore, we are forced to split lighting using MRT for all materials.
*/
Material deferredDirectMaterial = outputSplitLighting ? m_DeferredDirectMaterialMRT : m_DeferredDirectMaterialSRT;
Material deferredIndirectMaterial = outputSplitLighting ? m_DeferredIndirectMaterialMRT : m_DeferredIndirectMaterialSRT;
Utilities.DrawFullscreen(cmd, m_DeferredDirectMaterialMRT, hdCamera, colorBuffers/*, depthStencilBuffer*/);
Utilities.SelectKeyword(deferredDirectMaterial, "USE_CLUSTERED_LIGHTLIST", "USE_FPTL_LIGHTLIST", bUseClusteredForDeferred);
Utilities.DrawFullscreen(cmd, deferredDirectMaterial, hdCamera, colorBuffers, stencilBuffer);
/* TODO-READ_DEPTH-TEST_STENCIL
* In Unity, it is currently not possible to perform the stencil test while at the same time
* reading from the depth texture in the shader. It is legal in Direct3D.
* Therefore, we are forced to split lighting using MRT for all materials.
*/
m_DeferredIndirectMaterialMRT.EnableKeyword(bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
m_DeferredIndirectMaterialMRT.DisableKeyword(!bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
Utilities.DrawFullscreen(cmd, m_DeferredIndirectMaterialMRT, hdCamera, colorBuffers/*, depthStencilBuffer*/);
}
else
{
m_DeferredDirectMaterialSRT.EnableKeyword(bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
m_DeferredDirectMaterialSRT.DisableKeyword(!bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
Utilities.DrawFullscreen(cmd, m_DeferredDirectMaterialSRT, hdCamera, colorBuffers[0], depthStencilBuffer);
m_DeferredIndirectMaterialSRT.EnableKeyword(bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
m_DeferredIndirectMaterialSRT.DisableKeyword(!bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
Utilities.DrawFullscreen(cmd, m_DeferredIndirectMaterialSRT, hdCamera, colorBuffers, depthStencilBuffer);
}
Utilities.SelectKeyword(deferredIndirectMaterial, "USE_CLUSTERED_LIGHTLIST", "USE_FPTL_LIGHTLIST", bUseClusteredForDeferred);
Utilities.DrawFullscreen(cmd, deferredIndirectMaterial, hdCamera, colorBuffers, stencilBuffer);
if (outputSplitLighting)
{
m_DeferredAllMaterialMRT.EnableKeyword(bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
m_DeferredAllMaterialMRT.DisableKeyword(!bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
Material deferredAllMaterial = outputSplitLighting ? m_DeferredAllMaterialMRT : m_DeferredAllMaterialSRT;
/* TODO-READ_DEPTH-TEST_STENCIL
* In Unity, it is currently not possible to perform the stencil test while at the same time
* reading from the depth texture in the shader. It is legal in Direct3D.
* Therefore, we are forced to split lighting using MRT for all materials.
*/
Utilities.DrawFullscreen(cmd, m_DeferredAllMaterialMRT, hdCamera, colorBuffers/*, depthStencilBuffer*/);
}
else
{
m_DeferredAllMaterialSRT.EnableKeyword(bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
m_DeferredAllMaterialSRT.DisableKeyword(!bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST");
Utilities.DrawFullscreen(cmd, m_DeferredAllMaterialSRT, hdCamera, colorBuffers[0], depthStencilBuffer);
}
Utilities.SelectKeyword(deferredAllMaterial, "USE_CLUSTERED_LIGHTLIST", "USE_FPTL_LIGHTLIST", bUseClusteredForDeferred);
Utilities.DrawFullscreen(cmd, deferredAllMaterial, hdCamera, colorBuffers[0], stencilBuffer);
}
}

25
Assets/ScriptableRenderLoop/HDRenderPipeline/Utilities.cs
查看文件


m.DisableKeyword(keyword);
}
public static void SelectKeyword(Material material, string keyword1, string keyword2, bool enableFirst)
{
material.EnableKeyword (enableFirst ? keyword1 : keyword2);
material.DisableKeyword(enableFirst ? keyword2 : keyword1);
}
public static void SelectKeyword(Material material, string[] keywords, int enabledKeywordIndex)
{
material.EnableKeyword(keywords[enabledKeywordIndex]);
for (int i = 0; i < keywords.Length; i++)
{
if (i != enabledKeywordIndex)
{
material.DisableKeyword(keywords[i]);
}
}
}
public static HDRenderPipeline GetHDRenderPipeline()
{
HDRenderPipeline renderContext = UnityEngine.Rendering.GraphicsSettings.renderPipeline as HDRenderPipeline;

static Mesh m_ScreenSpaceTriangle = null;
public static Mesh GetScreenSpaceTriangle()
static Mesh GetScreenSpaceTriangle()
{
// If the assembly has been reloaded, the pointer will become NULL.
if (!m_ScreenSpaceTriangle)

// Note: the vertex data is not actually used if the vertex shader computes vertices using 'SV_VertexID'.
// However, there is currently no way to bind a NULL vertex buffer.
// Note: neither the vertex nor the index data is actually used if the vertex shader computes vertices
// using 'SV_VertexID'. However, there is currently no way to bind NULL vertex or index buffers.
vertices = new[] { new Vector3(-1, -1, 1), new Vector3(3, -1, 1), new Vector3(-1, 3, 1) },
triangles = new[] { 0, 1, 2 }
};

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