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HDRenderPipeline: Re-enable shadow atlas visualization + some clean

/Branch_Batching2
sebastienlagarde 8 年前
当前提交
dc6d3e84
共有 7 个文件被更改,包括 220 次插入88 次删除
  1. 14
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Debug/Resources/DebugDisplayShadowMap.shader
  2. 61
      Assets/ScriptableRenderPipeline/HDRenderPipeline/HDRenderPipeline.cs
  3. 7
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/LightLoop.cs
  4. 56
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/TilePass.cs
  5. 7
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/TilePass.hlsl
  6. 12
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Utilities.cs
  7. 151
      Assets/TestScenes/HDTest/MultipleShadowsTest.unity

14
Assets/ScriptableRenderPipeline/HDRenderPipeline/Debug/Resources/DebugDisplayShadowMap.shader


#include "../../../ShaderLibrary/Common.hlsl"
TEXTURE2D_FLOAT(g_tShadowBuffer);
#define SHADOW_TILEPASS // TODO: Not sure it must be define, ask uygar
#include "../../../ShaderLibrary/Shadow/Shadow.hlsl"
#undef SHADOW_TILEPASS
TEXTURE2D(_DummyTexture);
SAMPLER2D(sampler_DummyTexture);
SamplerState ltc_linear_clamp_sampler;
float4 _TextureScaleBias;

float4 Frag(Varyings input) : SV_Target
{
// We need the dummy texture for the sampler, but we also need to sample it in order not to get a compile error.
float4 dummy = SAMPLE_TEXTURE2D(_DummyTexture, sampler_DummyTexture, input.texcoord) * 0.00001;
return SAMPLE_TEXTURE2D(g_tShadowBuffer, sampler_DummyTexture, input.texcoord).xxxx + dummy;
ShadowContext shadowContext = InitShadowContext();
// Caution: ShadowContext is define in Shadowcontext.hlsl for current render pipeline. This shader must be in sync with its content else it doesn't work.
return SAMPLE_TEXTURE2D_ARRAY(_ShadowmapExp_PCF, ltc_linear_clamp_sampler, input.texcoord, 0).xxxx;
}
ENDHLSL

61
Assets/ScriptableRenderPipeline/HDRenderPipeline/HDRenderPipeline.cs


// Various set of material use in render loop
readonly Material m_FilterSubsurfaceScattering;
readonly Material m_FilterAndCombineSubsurfaceScattering;
private Material m_DebugDisplayShadowMap;
private Material m_DebugViewMaterialGBuffer;
private Material m_DebugDisplayLatlong;

}
void InitializeDebugMaterials()
{
m_DebugDisplayShadowMap = Utilities.CreateEngineMaterial("Hidden/HDRenderPipeline/DebugDisplayShadowMap");
{
m_DebugViewMaterialGBuffer = Utilities.CreateEngineMaterial("Hidden/HDRenderPipeline/DebugViewMaterialGBuffer");
m_DebugDisplayLatlong = Utilities.CreateEngineMaterial("Hidden/HDRenderPipeline/DebugDisplayLatlong");
}

m_LightLoop.Cleanup();
m_LitRenderLoop.Cleanup();
Utilities.Destroy(m_DebugDisplayShadowMap);
Utilities.Destroy(m_DebugViewMaterialGBuffer);
Utilities.Destroy(m_DebugDisplayLatlong);

}
}
void NextOverlayCoord(ref float x, ref float y, float overlaySize, float width)
{
x += overlaySize;
// Go to next line if it goes outside the screen.
if (x + overlaySize > width)
{
x = 0;
y -= overlaySize;
}
}
void RenderDebugOverlay(Camera camera, ScriptableRenderContext renderContext)
{

LightingDebugSettings lightingDebug = debugDisplaySettings.lightingDebugSettings;
if (lightingDebug.shadowDebugMode != ShadowMapDebugMode.None)
{
if (lightingDebug.shadowDebugMode == ShadowMapDebugMode.VisualizeShadowMap)
{
#if SHADOWS_OLD
uint visualizeShadowIndex = Math.Min(lightingDebug.shadowMapIndex, (uint)(GetCurrentShadowCount() - 1));
ShadowLight shadowLight = m_ShadowsResult.shadowLights[visualizeShadowIndex];
for (int slice = 0; slice < shadowLight.shadowSliceCount; ++slice)
{
ShadowSliceData sliceData = m_ShadowsResult.shadowSlices[shadowLight.shadowSliceIndex + slice];
Vector4 texcoordScaleBias = new Vector4((float)sliceData.shadowResolution / m_Owner.shadowSettings.shadowAtlasWidth,
(float)sliceData.shadowResolution / m_Owner.shadowSettings.shadowAtlasHeight,
(float)sliceData.atlasX / m_Owner.shadowSettings.shadowAtlasWidth,
(float)sliceData.atlasY / m_Owner.shadowSettings.shadowAtlasHeight);
propertyBlock.SetVector("_TextureScaleBias", texcoordScaleBias);
debugCB.SetViewport(new Rect(x, y, overlaySize, overlaySize));
debugCB.DrawProcedural(Matrix4x4.identity, m_DebugDisplayShadowMap, 0, MeshTopology.Triangles, 3, 1, propertyBlock);
NextOverlayCoord(ref x, ref y, overlaySize, camera.pixelWidth);
}
#endif
}
else if (lightingDebug.shadowDebugMode == ShadowMapDebugMode.VisualizeAtlas)
{
propertyBlock.SetVector("_TextureScaleBias", new Vector4(1.0f, 1.0f, 0.0f, 0.0f));
debugCB.SetViewport(new Rect(x, y, overlaySize, overlaySize));
debugCB.DrawProcedural(Matrix4x4.identity, m_DebugDisplayShadowMap, 0, MeshTopology.Triangles, 3, 1, propertyBlock);
NextOverlayCoord(ref x, ref y, overlaySize, camera.pixelWidth);
}
}
if (lightingDebug.displaySkyReflection)
{
Texture skyReflection = m_SkyManager.skyReflection;

debugCB.DrawProcedural(Matrix4x4.identity, m_DebugDisplayLatlong, 0, MeshTopology.Triangles, 3, 1, propertyBlock);
NextOverlayCoord(ref x, ref y, overlaySize, camera.pixelWidth);
Utilities.NextOverlayCoord(ref x, ref y, overlaySize, camera.pixelWidth);
if (m_LightLoop != null)
m_LightLoop.RenderDebugOverlay(camera, renderContext, debugDisplaySettings, ref x, ref y, overlaySize, camera.pixelWidth);
}
void InitAndClearBuffer(Camera camera, ScriptableRenderContext renderContext)

7
Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/LightLoop.cs


using UnityEngine;
using UnityEngine;
using UnityEngine.Rendering;
namespace UnityEngine.Experimental.Rendering.HDPipeline

public virtual void NewFrame() {}
public virtual int GetCurrentShadowCount() { return 0; }
public virtual void BuildGPULightLists(Camera camera, ScriptableRenderContext loop, RenderTargetIdentifier cameraDepthBufferRT) {}
public virtual void BuildGPULightLists(Camera camera, ScriptableRenderContext renderContext, RenderTargetIdentifier cameraDepthBufferRT) {}
public virtual void RenderDeferredLighting( HDCamera hdCamera, ScriptableRenderContext renderContext,
DebugDisplaySettings debugDisplaySettings,

public virtual void RenderLightingDebug(HDCamera hdCamera, ScriptableRenderContext renderContext, RenderTargetIdentifier colorBuffer) {}
public Light GetCurrentSunLight() { return m_CurrentSunLight; }
public virtual void RenderDebugOverlay(Camera camera, ScriptableRenderContext renderContext, DebugDisplaySettings debugDisplaySettings, ref float x, ref float y, float overlaySize, float width) { }
}
}

56
Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/TilePass.cs


Material m_SingleDeferredMaterialSRT = null;
Material m_SingleDeferredMaterialMRT = null;
// For displaying shadow map
private Material m_DebugDisplayShadowMap;
// shadow related stuff
FrameId m_FrameId = new FrameId();
ShadowSetup m_ShadowSetup; // doesn't actually have to reside here, it would be enough to pass the IShadowManager in from the outside

m_SingleDeferredMaterialMRT.SetInt("_SrcBlend", (int)BlendMode.One);
m_SingleDeferredMaterialMRT.SetInt("_DstBlend", (int)BlendMode.Zero);
m_DebugDisplayShadowMap = Utilities.CreateEngineMaterial("Hidden/HDRenderPipeline/DebugDisplayShadowMap");
m_DefaultTexture2DArray = new Texture2DArray(1, 1, 1, TextureFormat.ARGB32, false);
m_DefaultTexture2DArray.SetPixels32(new Color32[1] { new Color32(128, 128, 128, 128) }, 0);
m_DefaultTexture2DArray.Apply();

Utilities.Destroy(m_SingleDeferredMaterialSRT);
Utilities.Destroy(m_SingleDeferredMaterialMRT);
Utilities.Destroy(m_DebugDisplayShadowMap);
Utilities.Destroy(s_DefaultAdditionalLightDataGameObject);
s_DefaultAdditionalLightDataGameObject = null;

cmd.SetComputeTextureParam(shadeOpaqueShader, kernel, "_GBufferTexture1", Shader.PropertyToID("_GBufferTexture1"));
cmd.SetComputeTextureParam(shadeOpaqueShader, kernel, "_GBufferTexture2", Shader.PropertyToID("_GBufferTexture2"));
cmd.SetComputeTextureParam(shadeOpaqueShader, kernel, "_GBufferTexture3", Shader.PropertyToID("_GBufferTexture3"));
cmd.SetComputeTextureParam(shadeOpaqueShader, kernel, "g_tShadowBuffer", Shader.PropertyToID("g_tShadowBuffer"));
cmd.SetComputeTextureParam(shadeOpaqueShader, kernel, "_LtcData", Shader.GetGlobalTexture(Shader.PropertyToID("_LtcData")));
cmd.SetComputeTextureParam(shadeOpaqueShader, kernel, "_PreIntegratedFGD", Shader.GetGlobalTexture("_PreIntegratedFGD"));

renderContext.ExecuteCommandBuffer(cmd);
cmd.Dispose();
}
public override void RenderDebugOverlay(Camera camera, ScriptableRenderContext renderContext, DebugDisplaySettings debugDisplaySettings, ref float x, ref float y, float overlaySize, float width)
{
CommandBuffer debugCB = new CommandBuffer();
debugCB.name = "Lit Debug Overlay";
MaterialPropertyBlock propertyBlock = new MaterialPropertyBlock();
LightingDebugSettings lightingDebug = debugDisplaySettings.lightingDebugSettings;
if (lightingDebug.shadowDebugMode != ShadowMapDebugMode.None)
{
if (lightingDebug.shadowDebugMode == ShadowMapDebugMode.VisualizeShadowMap)
{
/*
uint visualizeShadowIndex = Math.Min(lightingDebug.shadowMapIndex, (uint)(GetCurrentShadowCount() - 1));
ShadowLight shadowLight = m_ShadowsResult.shadowLights[visualizeShadowIndex];
for (int slice = 0; slice < shadowLight.shadowSliceCount; ++slice)
{
ShadowSliceData sliceData = m_ShadowsResult.shadowSlices[shadowLight.shadowSliceIndex + slice];
Vector4 texcoordScaleBias = new Vector4((float)sliceData.shadowResolution / m_Owner.shadowSettings.shadowAtlasWidth,
(float)sliceData.shadowResolution / m_Owner.shadowSettings.shadowAtlasHeight,
(float)sliceData.atlasX / m_Owner.shadowSettings.shadowAtlasWidth,
(float)sliceData.atlasY / m_Owner.shadowSettings.shadowAtlasHeight);
propertyBlock.SetVector("_TextureScaleBias", texcoordScaleBias);
debugCB.SetViewport(new Rect(x, y, overlaySize, overlaySize));
debugCB.DrawProcedural(Matrix4x4.identity, m_DebugDisplayShadowMap, 0, MeshTopology.Triangles, 3, 1, propertyBlock);
Utilities.NextOverlayCoord(ref x, ref y, overlaySize, camera.pixelWidth);
}
*/
}
else if (lightingDebug.shadowDebugMode == ShadowMapDebugMode.VisualizeAtlas)
{
propertyBlock.SetVector("_TextureScaleBias", new Vector4(1.0f, 1.0f, 0.0f, 0.0f));
debugCB.SetViewport(new Rect(x, y, overlaySize, overlaySize));
debugCB.DrawProcedural(Matrix4x4.identity, m_DebugDisplayShadowMap, 0, MeshTopology.Triangles, 3, 1, propertyBlock);
Utilities.NextOverlayCoord(ref x, ref y, overlaySize, camera.pixelWidth);
}
}
renderContext.ExecuteCommandBuffer(debugCB);
}
}
}

7
Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/TilePass.hlsl


StructuredBuffer<EnvLightData> _EnvLightDatas;
StructuredBuffer<ShadowData> _ShadowDatas;
// Use texture atlas for shadow map
//TEXTURE2D(_ShadowAtlas);
//SAMPLER2D_SHADOW(sampler_ShadowAtlas);
//SAMPLER2D(sampler_ManualShadowAtlas); // TODO: settings sampler individually is not supported in shader yet...
TEXTURE2D(g_tShadowBuffer); // TODO: No choice, the name is hardcoded in ShadowrenderPass.cs for now. Need to change this!
SAMPLER2D_SHADOW(samplerg_tShadowBuffer);
// Use texture array for IES
//TEXTURE2D_ARRAY(_IESArray);
//SAMPLER2D(sampler_IESArray);

12
Assets/ScriptableRenderPipeline/HDRenderPipeline/Utilities.cs


// no depth target ends up being bound.
DrawFullScreen(commandBuffer, material, camera, colorBuffers, colorBuffers[0], properties, shaderPassID);
}
// Helper to help to display debug info on screen
public static void NextOverlayCoord(ref float x, ref float y, float overlaySize, float width)
{
x += overlaySize;
// Go to next line if it goes outside the screen.
if (x + overlaySize > width)
{
x = 0;
y -= overlaySize;
}
}
}
}

151
Assets/TestScenes/HDTest/MultipleShadowsTest.unity


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