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//#define SHADOWS_ENABLED
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//#define SHADOWS_ENABLED
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//#define SHADOWS_FIXSHADOWIDX
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using UnityEngine.Rendering; |
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using System.Collections.Generic; |
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public static int HAS_COOKIE_TEXTURE = 2; |
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public static int IS_BOX_PROJECTED = 4; |
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public static int HAS_SHADOW = 8; |
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// feature flags
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public static uint FEATURE_FLAG_PUNCTUAL_LIGHT = 1; |
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public static uint FEATURE_FLAG_AREA_LIGHT = 2; |
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// feature variants
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public static int NUM_FEATURE_VARIANTS = 8; |
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} |
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[GenerateHLSL] |
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public float cotan; |
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public Vector3 boxInnerDist; |
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public float unused; |
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public uint featureFlags; |
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public Vector3 boxInvRange; |
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public float unused2; |
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private ComputeShader buildPerTileLightListShader { get { return m_PassResources.buildPerTileLightListShader; } } |
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private ComputeShader buildPerBigTileLightListShader { get { return m_PassResources.buildPerBigTileLightListShader; } } |
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private ComputeShader buildPerVoxelLightListShader { get { return m_PassResources.buildPerVoxelLightListShader; } } |
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private ComputeShader clearDispatchIndirectShader { get { return m_PassResources.clearDispatchIndirectShader; } } |
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private ComputeShader shadeOpaqueShader { get { return m_PassResources.shadeOpaqueShader; } } |
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static int s_GenAABBKernel; |
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static int s_ClearDispatchIndirectKernel; |
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static int s_shadeOpaqueClusteredKernel; |
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static int s_shadeOpaqueFptlKernel; |
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static int s_shadeOpaqueClusteredDebugLightingKernel; |
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static ComputeBuffer s_ConvexBoundsBuffer = null; |
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static ComputeBuffer s_AABBBoundsBuffer = null; |
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static ComputeBuffer s_LightList = null; |
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static ComputeBuffer s_DispatchIndirectBuffer = null; |
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static ComputeBuffer s_BigTileLightList = null; // used for pre-pass coarse culling on 64x64 tiles
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static int s_GenListPerBigTileKernel; |
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s_AABBBoundsBuffer = new ComputeBuffer(2 * k_MaxLightsOnScreen, 3 * sizeof(float)); |
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s_ConvexBoundsBuffer = new ComputeBuffer(k_MaxLightsOnScreen, System.Runtime.InteropServices.Marshal.SizeOf(typeof(SFiniteLightBound))); |
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s_LightVolumeDataBuffer = new ComputeBuffer(k_MaxLightsOnScreen, System.Runtime.InteropServices.Marshal.SizeOf(typeof(LightVolumeData))); |
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s_DispatchIndirectBuffer = new ComputeBuffer(LightDefinitions.NUM_FEATURE_VARIANTS * 3, sizeof(uint), ComputeBufferType.IndirectArguments); |
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buildScreenAABBShader.SetBuffer(s_GenAABBKernel, "g_data", s_ConvexBoundsBuffer); |
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buildPerTileLightListShader.SetBuffer(s_GenListPerTileKernel, "g_vBoundsBuffer", s_AABBBoundsBuffer); |
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buildPerBigTileLightListShader.SetBuffer(s_GenListPerBigTileKernel, "_LightVolumeData", s_LightVolumeDataBuffer); |
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buildPerBigTileLightListShader.SetBuffer(s_GenListPerBigTileKernel, "g_data", s_ConvexBoundsBuffer); |
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} |
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s_ClearDispatchIndirectKernel = clearDispatchIndirectShader.FindKernel("ClearDispatchIndirect"); |
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s_shadeOpaqueClusteredKernel = shadeOpaqueShader.FindKernel("ShadeOpaque_Clustered"); |
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s_shadeOpaqueFptlKernel = shadeOpaqueShader.FindKernel("ShadeOpaque_Fptl"); |
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Utilities.SafeRelease(s_AABBBoundsBuffer); |
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Utilities.SafeRelease(s_ConvexBoundsBuffer); |
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Utilities.SafeRelease(s_LightVolumeDataBuffer); |
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Utilities.SafeRelease(s_DispatchIndirectBuffer); |
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// enableClustered
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Utilities.SafeRelease(s_GlobalLightListAtomic); |
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// Fill bounds
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var bound = new SFiniteLightBound(); |
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var ligthVolumeData = new LightVolumeData(); |
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var lightVolumeData = new LightVolumeData(); |
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ligthVolumeData.lightCategory = (uint)lightCategory; |
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ligthVolumeData.lightVolume = (uint)lightVolumeType; |
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lightVolumeData.lightCategory = (uint)lightCategory; |
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lightVolumeData.lightVolume = (uint)lightVolumeType; |
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if (gpuLightType == GPULightType.Spot) |
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{ |
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bound.radius = altDist > (0.5f * range) ? altDist : (0.5f * range); // will always pick fAltDist
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bound.scaleXY = squeeze ? new Vector2(0.01f, 0.01f) : new Vector2(1.0f, 1.0f); |
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ligthVolumeData.lightAxisX = vx; |
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ligthVolumeData.lightAxisY = vy; |
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ligthVolumeData.lightAxisZ = vz; |
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ligthVolumeData.lightPos = worldToView.MultiplyPoint(lightPos); |
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ligthVolumeData.radiusSq = range * range; |
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ligthVolumeData.cotan = cota; |
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lightVolumeData.lightAxisX = vx; |
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lightVolumeData.lightAxisY = vy; |
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lightVolumeData.lightAxisZ = vz; |
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lightVolumeData.lightPos = worldToView.MultiplyPoint(lightPos); |
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lightVolumeData.radiusSq = range * range; |
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lightVolumeData.cotan = cota; |
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lightVolumeData.featureFlags = LightDefinitions.FEATURE_FLAG_PUNCTUAL_LIGHT; |
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} |
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else if (gpuLightType == GPULightType.Point) |
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{ |
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Vector3 vz = lightToView.GetColumn(2); |
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// fill up ldata
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ligthVolumeData.lightAxisX = vx; |
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ligthVolumeData.lightAxisY = vy; |
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ligthVolumeData.lightAxisZ = vz; |
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ligthVolumeData.lightPos = bound.center; |
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ligthVolumeData.radiusSq = range * range; |
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lightVolumeData.lightAxisX = vx; |
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lightVolumeData.lightAxisY = vy; |
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lightVolumeData.lightAxisZ = vz; |
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lightVolumeData.lightPos = bound.center; |
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lightVolumeData.radiusSq = range * range; |
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lightVolumeData.featureFlags = LightDefinitions.FEATURE_FLAG_PUNCTUAL_LIGHT; |
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} |
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else if (gpuLightType == GPULightType.Rectangle) |
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{ |
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bound.scaleXY.Set(1.0f, 1.0f); |
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bound.radius = dimensions.magnitude; |
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ligthVolumeData.lightPos = centerVS; |
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ligthVolumeData.lightAxisX = xAxisVS; |
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ligthVolumeData.lightAxisY = yAxisVS; |
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ligthVolumeData.lightAxisZ = zAxisVS; |
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ligthVolumeData.boxInnerDist = dimensions; |
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ligthVolumeData.boxInvRange.Set(1e5f, 1e5f, 1e5f); |
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lightVolumeData.lightPos = centerVS; |
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lightVolumeData.lightAxisX = xAxisVS; |
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lightVolumeData.lightAxisY = yAxisVS; |
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lightVolumeData.lightAxisZ = zAxisVS; |
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lightVolumeData.boxInnerDist = dimensions; |
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lightVolumeData.boxInvRange.Set(1e5f, 1e5f, 1e5f); |
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lightVolumeData.featureFlags = LightDefinitions.FEATURE_FLAG_AREA_LIGHT; |
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} |
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else if (gpuLightType == GPULightType.Line) |
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{ |
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bound.scaleXY.Set(1.0f, 1.0f); |
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bound.radius = dimensions.magnitude; |
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ligthVolumeData.lightPos = centerVS; |
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ligthVolumeData.lightAxisX = xAxisVS; |
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ligthVolumeData.lightAxisY = yAxisVS; |
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ligthVolumeData.lightAxisZ = zAxisVS; |
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ligthVolumeData.boxInnerDist = new Vector3(lightData.size.x * 0.5f, 0.01f, 0.01f); |
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ligthVolumeData.boxInvRange.Set(1.0f / radius, 1.0f / radius, 1.0f / radius); |
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lightVolumeData.lightPos = centerVS; |
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lightVolumeData.lightAxisX = xAxisVS; |
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lightVolumeData.lightAxisY = yAxisVS; |
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lightVolumeData.lightAxisZ = zAxisVS; |
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lightVolumeData.boxInnerDist = new Vector3(lightData.size.x * 0.5f, 0.01f, 0.01f); |
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lightVolumeData.boxInvRange.Set(1.0f / radius, 1.0f / radius, 1.0f / radius); |
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lightVolumeData.featureFlags = LightDefinitions.FEATURE_FLAG_AREA_LIGHT; |
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} |
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else |
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{ |
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m_lightList.lightVolumes.Add(ligthVolumeData); |
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m_lightList.lightVolumes.Add(lightVolumeData); |
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} |
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public void GetEnvLightData(VisibleReflectionProbe probe) |
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cmd.DispatchCompute(buildPerBigTileLightListShader, s_GenListPerBigTileKernel, numBigTilesX, numBigTilesY, 1); |
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} |
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bool enableFeatureVariants = m_PassSettings.enableComputeLightEvaluation && m_PassSettings.enableComputeLightEvaluation; |
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if (enableFeatureVariants) |
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{ |
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cmd.SetComputeBufferParam(clearDispatchIndirectShader, s_ClearDispatchIndirectKernel, "g_DispatchIndirectBuffer", s_DispatchIndirectBuffer); |
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cmd.DispatchCompute(clearDispatchIndirectShader, s_ClearDispatchIndirectKernel, 1, 1, 1); |
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} |
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if (usingFptl) // optimized for opaques only
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{ |
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cmd.SetComputeIntParams(buildPerTileLightListShader, "g_viDimensions", new int[2] { w, h }); |
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} |
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// Draw tile debugging
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if (m_PassSettings.debugViewTilesFlags != 0) |
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if (m_PassSettings.tileDebugByCategory != TileLightLoopProducer.TileSettings.TileDebugByCategory.None) |
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m_DebugViewTilesMaterial.SetInt("_ViewTilesFlags", m_PassSettings.debugViewTilesFlags); |
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m_DebugViewTilesMaterial.SetInt("_ViewTilesFlags", (int)m_PassSettings.tileDebugByCategory); |
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m_DebugViewTilesMaterial.SetVector("_MousePixelCoord", mousePixelCoord); |
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m_DebugViewTilesMaterial.EnableKeyword(bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST"); |
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m_DebugViewTilesMaterial.DisableKeyword(!bUseClusteredForDeferred ? "USE_CLUSTERED_LIGHTLIST" : "USE_FPTL_LIGHTLIST"); |
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Rune Stubbe
7 年前