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579 行
31 KiB
579 行
31 KiB
using System.Collections.Generic;
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using System.Diagnostics;
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using UnityEngine.Experimental.GlobalIllumination;
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using UnityEngine.Rendering;
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namespace UnityEngine.Experimental.Rendering.LightweightPipeline
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{
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public class ForwardLitPass : ScriptableRenderPass
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{
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const int k_DepthStencilBufferBits = 32;
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Vector4 k_DefaultLightPosition = new Vector4(0.0f, 0.0f, 1.0f, 0.0f);
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Vector4 k_DefaultLightColor = Color.black;
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Vector4 k_DefaultLightAttenuation = new Vector4(0.0f, 1.0f, 0.0f, 1.0f);
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Vector4 k_DefaultLightSpotDirection = new Vector4(0.0f, 0.0f, 1.0f, 0.0f);
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Vector4 k_DefaultLightSpotAttenuation = new Vector4(0.0f, 1.0f, 0.0f, 0.0f);
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Vector4[] m_LightPositions;
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Vector4[] m_LightColors;
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Vector4[] m_LightDistanceAttenuations;
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Vector4[] m_LightSpotDirections;
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Vector4[] m_LightSpotAttenuations;
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RenderTextureFormat m_ColorFormat;
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MixedLightingSetup m_MixedLightingSetup;
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Material m_BlitMaterial;
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Material m_ErrorMaterial;
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// Depth Copy Pass
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Material m_DepthCopyMaterial;
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// Opaque Copy Pass
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Material m_SamplingMaterial;
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float[] m_OpaqueScalerValues = {1.0f, 0.5f, 0.25f, 0.25f};
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int m_SampleOffsetShaderHandle;
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const string k_RenderOpaquesTag = "Render Opaques";
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const string k_RenderTransparentsTag = "Render Transparents";
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List<ShaderPassName> m_LegacyShaderPassNames;
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public ForwardLitPass(LightweightForwardRenderer renderer) : base(renderer)
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{
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RegisterShaderPassName("LightweightForward");
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RegisterShaderPassName("SRPDefaultUnlit");
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m_LegacyShaderPassNames = new List<ShaderPassName>();
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m_LegacyShaderPassNames.Add(new ShaderPassName("Always"));
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m_LegacyShaderPassNames.Add(new ShaderPassName("ForwardBase"));
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m_LegacyShaderPassNames.Add(new ShaderPassName("PrepassBase"));
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m_LegacyShaderPassNames.Add(new ShaderPassName("Vertex"));
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m_LegacyShaderPassNames.Add(new ShaderPassName("VertexLMRGBM"));
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m_LegacyShaderPassNames.Add(new ShaderPassName("VertexLM"));
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PerCameraBuffer._MainLightPosition = Shader.PropertyToID("_MainLightPosition");
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PerCameraBuffer._MainLightColor = Shader.PropertyToID("_MainLightColor");
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PerCameraBuffer._MainLightCookie = Shader.PropertyToID("_MainLightCookie");
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PerCameraBuffer._WorldToLight = Shader.PropertyToID("_WorldToLight");
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PerCameraBuffer._AdditionalLightCount = Shader.PropertyToID("_AdditionalLightCount");
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PerCameraBuffer._AdditionalLightPosition = Shader.PropertyToID("_AdditionalLightPosition");
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PerCameraBuffer._AdditionalLightColor = Shader.PropertyToID("_AdditionalLightColor");
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PerCameraBuffer._AdditionalLightDistanceAttenuation = Shader.PropertyToID("_AdditionalLightDistanceAttenuation");
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PerCameraBuffer._AdditionalLightSpotDir = Shader.PropertyToID("_AdditionalLightSpotDir");
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PerCameraBuffer._AdditionalLightSpotAttenuation = Shader.PropertyToID("_AdditionalLightSpotAttenuation");
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PerCameraBuffer._LightIndexBuffer = Shader.PropertyToID("_LightIndexBuffer");
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int maxVisibleLocalLights = renderer.maxVisibleLocalLights;
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m_LightPositions = new Vector4[maxVisibleLocalLights];
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m_LightColors = new Vector4[maxVisibleLocalLights];
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m_LightDistanceAttenuations = new Vector4[maxVisibleLocalLights];
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m_LightSpotDirections = new Vector4[maxVisibleLocalLights];
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m_LightSpotAttenuations = new Vector4[maxVisibleLocalLights];
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m_ColorFormat = RenderTextureFormat.Default;
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m_BlitMaterial = renderer.GetMaterial(MaterialHandles.Blit);
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m_ErrorMaterial = renderer.GetMaterial(MaterialHandles.Error);
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// Copy Depth Pass
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m_DepthCopyMaterial = renderer.GetMaterial(MaterialHandles.DepthCopy);
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// Copy Opaque Color Pass
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m_SamplingMaterial = renderer.GetMaterial(MaterialHandles.Sampling);
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m_SampleOffsetShaderHandle = Shader.PropertyToID("_SampleOffset");
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}
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public override void Setup(CommandBuffer cmd, RenderTextureDescriptor baseDescriptor, int[] colorAttachmentHandles, int depthAttachmentHandle = -1, int samples = 1)
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{
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base.Setup(cmd, baseDescriptor, colorAttachmentHandles, depthAttachmentHandle, samples);
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m_ColorFormat = baseDescriptor.colorFormat;
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if (colorAttachmentHandle != -1)
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{
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var descriptor = baseDescriptor;
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descriptor.depthBufferBits = k_DepthStencilBufferBits; // TODO: does the color RT always need depth?
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descriptor.sRGB = true;
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descriptor.msaaSamples = samples;
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cmd.GetTemporaryRT(colorAttachmentHandle, descriptor, FilterMode.Bilinear);
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}
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if (depthAttachmentHandle != -1)
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{
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var descriptor = baseDescriptor;
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descriptor.colorFormat = RenderTextureFormat.Depth;
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descriptor.depthBufferBits = k_DepthStencilBufferBits;
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descriptor.msaaSamples = samples;
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descriptor.bindMS = samples > 1;
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cmd.GetTemporaryRT(depthAttachmentHandle, descriptor, FilterMode.Point);
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}
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}
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public override void Execute(ref ScriptableRenderContext context, ref CullResults cullResults, ref RenderingData renderingData)
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{
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Camera camera = renderingData.cameraData.camera;
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bool dynamicBatching = renderingData.supportsDynamicBatching;
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SetupShaderConstants(ref context, ref renderingData.cameraData, ref renderingData.lightData, ref renderingData.shadowData);
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RendererConfiguration rendererConfiguration = GetRendererConfiguration(renderingData.lightData.totalAdditionalLightsCount);
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if (renderingData.cameraData.isStereoEnabled)
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context.StartMultiEye(camera);
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RenderOpaques(ref context, ref cullResults, ref renderingData.cameraData, rendererConfiguration, dynamicBatching);
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if (renderingData.cameraData.postProcessEnabled &&
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renderingData.cameraData.postProcessLayer.HasOpaqueOnlyEffects(renderer.postProcessRenderContext))
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OpaquePostProcessSubPass(ref context, ref renderingData.cameraData);
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if (depthAttachmentHandle != -1)
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CopyDepthSubPass(ref context, ref renderingData.cameraData);
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if (renderingData.cameraData.requiresOpaqueTexture)
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CopyColorSubpass(ref context, ref renderingData.cameraData);
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RenderTransparents(ref context, ref cullResults, ref renderingData.cameraData, rendererConfiguration, dynamicBatching);
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if (renderingData.cameraData.postProcessEnabled)
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PostProcessPass(ref context, ref renderingData.cameraData);
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else if (!renderingData.cameraData.isOffscreenRender && colorAttachmentHandle != -1)
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FinalBlitPass(ref context, ref renderingData.cameraData);
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if (renderingData.cameraData.isStereoEnabled)
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{
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context.StopMultiEye(camera);
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context.StereoEndRender(camera);
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}
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}
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RendererConfiguration GetRendererConfiguration(int localLightsCount)
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{
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RendererConfiguration configuration = RendererConfiguration.PerObjectReflectionProbes | RendererConfiguration.PerObjectLightmaps | RendererConfiguration.PerObjectLightProbe;
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if (localLightsCount > 0)
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{
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if (renderer.useComputeBufferForPerObjectLightIndices)
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configuration |= RendererConfiguration.ProvideLightIndices;
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else
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configuration |= RendererConfiguration.PerObjectLightIndices8;
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}
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return configuration;
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}
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void SetupShaderConstants(ref ScriptableRenderContext context, ref CameraData cameraData, ref LightData lightData, ref ShadowData shadowData)
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{
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CommandBuffer cmd = CommandBufferPool.Get("SetupShaderConstants");
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SetupShaderLightConstants(cmd, ref lightData);
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SetShaderKeywords(cmd, ref cameraData, ref lightData, ref shadowData);
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context.ExecuteCommandBuffer(cmd);
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CommandBufferPool.Release(cmd);
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}
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void SetupShaderLightConstants(CommandBuffer cmd, ref LightData lightData)
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{
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// Clear to default all light constant data
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for (int i = 0; i < renderer.maxVisibleLocalLights; ++i)
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InitializeLightConstants(lightData.visibleLights, -1, out m_LightPositions[i],
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out m_LightColors[i],
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out m_LightDistanceAttenuations[i],
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out m_LightSpotDirections[i],
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out m_LightSpotAttenuations[i]);
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m_MixedLightingSetup = MixedLightingSetup.None;
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// Main light has an optimized shader path for main light. This will benefit games that only care about a single light.
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// Lightweight pipeline also supports only a single shadow light, if available it will be the main light.
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SetupMainLightConstants(cmd, ref lightData);
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SetupAdditionalLightConstants(cmd, ref lightData);
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}
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void SetupMainLightConstants(CommandBuffer cmd, ref LightData lightData)
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{
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Vector4 lightPos, lightColor, lightDistanceAttenuation, lightSpotDir, lightSpotAttenuation;
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List<VisibleLight> lights = lightData.visibleLights;
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InitializeLightConstants(lightData.visibleLights, lightData.mainLightIndex, out lightPos, out lightColor, out lightDistanceAttenuation, out lightSpotDir, out lightSpotAttenuation);
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if (lightData.mainLightIndex >= 0)
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{
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VisibleLight mainLight = lights[lightData.mainLightIndex];
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Light mainLightRef = mainLight.light;
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if (LightweightPipeline.IsSupportedCookieType(mainLight.lightType) && mainLightRef.cookie != null)
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{
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Matrix4x4 lightCookieMatrix;
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LightweightPipeline.GetLightCookieMatrix(mainLight, out lightCookieMatrix);
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cmd.SetGlobalTexture(PerCameraBuffer._MainLightCookie, mainLightRef.cookie);
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cmd.SetGlobalMatrix(PerCameraBuffer._WorldToLight, lightCookieMatrix);
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}
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}
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cmd.SetGlobalVector(PerCameraBuffer._MainLightPosition, new Vector4(lightPos.x, lightPos.y, lightPos.z, lightDistanceAttenuation.w));
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cmd.SetGlobalVector(PerCameraBuffer._MainLightColor, lightColor);
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}
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void SetupAdditionalLightConstants(CommandBuffer cmd, ref LightData lightData)
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{
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int maxVisibleLocalLights = renderer.maxVisibleLocalLights;
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List<VisibleLight> lights = lightData.visibleLights;
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if (lightData.totalAdditionalLightsCount > 0)
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{
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int localLightsCount = 0;
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for (int i = 0; i < lights.Count && localLightsCount < maxVisibleLocalLights; ++i)
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{
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VisibleLight light = lights[i];
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if (light.lightType != LightType.Directional)
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{
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InitializeLightConstants(lights, i, out m_LightPositions[localLightsCount],
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out m_LightColors[localLightsCount],
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out m_LightDistanceAttenuations[localLightsCount],
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out m_LightSpotDirections[localLightsCount],
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out m_LightSpotAttenuations[localLightsCount]);
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localLightsCount++;
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}
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}
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cmd.SetGlobalVector(PerCameraBuffer._AdditionalLightCount, new Vector4(lightData.pixelAdditionalLightsCount,
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lightData.totalAdditionalLightsCount, 0.0f, 0.0f));
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// if not using a compute buffer, engine will set indices in 2 vec4 constants
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// unity_4LightIndices0 and unity_4LightIndices1
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if (renderer.perObjectLightIndices != null)
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cmd.SetGlobalBuffer("_LightIndexBuffer", renderer.perObjectLightIndices);
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}
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else
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{
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cmd.SetGlobalVector(PerCameraBuffer._AdditionalLightCount, Vector4.zero);
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}
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cmd.SetGlobalVectorArray(PerCameraBuffer._AdditionalLightPosition, m_LightPositions);
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cmd.SetGlobalVectorArray(PerCameraBuffer._AdditionalLightColor, m_LightColors);
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cmd.SetGlobalVectorArray(PerCameraBuffer._AdditionalLightDistanceAttenuation, m_LightDistanceAttenuations);
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cmd.SetGlobalVectorArray(PerCameraBuffer._AdditionalLightSpotDir, m_LightSpotDirections);
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cmd.SetGlobalVectorArray(PerCameraBuffer._AdditionalLightSpotAttenuation, m_LightSpotAttenuations);
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}
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ClearFlag GetCameraClearFlag(Camera camera)
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{
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ClearFlag clearFlag = ClearFlag.None;
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CameraClearFlags cameraClearFlags = camera.clearFlags;
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if (cameraClearFlags != CameraClearFlags.Nothing)
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{
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clearFlag |= ClearFlag.Depth;
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if (cameraClearFlags == CameraClearFlags.Color || cameraClearFlags == CameraClearFlags.Skybox)
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clearFlag |= ClearFlag.Color;
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}
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return clearFlag;
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}
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void SetShaderKeywords(CommandBuffer cmd, ref CameraData cameraData, ref LightData lightData, ref ShadowData shadowData)
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{
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int vertexLightsCount = lightData.totalAdditionalLightsCount - lightData.pixelAdditionalLightsCount;
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CoreUtils.SetKeyword(cmd, LightweightKeywordStrings.AdditionalLights, lightData.totalAdditionalLightsCount > 0);
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CoreUtils.SetKeyword(cmd, LightweightKeywordStrings.MixedLightingSubtractive, m_MixedLightingSetup == MixedLightingSetup.Subtractive);
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CoreUtils.SetKeyword(cmd, LightweightKeywordStrings.VertexLights, vertexLightsCount > 0);
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// TODO: We have to discuss cookie approach on LWRP.
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// CoreUtils.SetKeyword(cmd, LightweightKeywordStrings.MainLightCookieText, mainLightIndex != -1 && LightweightUtils.IsSupportedCookieType(visibleLights[mainLightIndex].lightType) && visibleLights[mainLightIndex].light.cookie != null);
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LightShadows directionalShadowQuality = shadowData.renderedDirectionalShadowQuality;
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LightShadows localShadowQuality = shadowData.renderedLocalShadowQuality;
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// Currently shadow filtering keyword is shared between local and directional shadows.
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bool hasSoftShadows = (directionalShadowQuality == LightShadows.Soft || localShadowQuality == LightShadows.Soft) &&
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shadowData.supportsSoftShadows;
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CoreUtils.SetKeyword(cmd, LightweightKeywordStrings.DirectionalShadows, directionalShadowQuality != LightShadows.None);
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CoreUtils.SetKeyword(cmd, LightweightKeywordStrings.LocalShadows, localShadowQuality != LightShadows.None);
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CoreUtils.SetKeyword(cmd, LightweightKeywordStrings.SoftShadows, hasSoftShadows);
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CoreUtils.SetKeyword(cmd, LightweightKeywordStrings.CascadeShadows, shadowData.directionalLightCascadeCount > 1);
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// TODO: Remove this. legacy particles support will be removed from Unity in 2018.3. This should be a shader_feature instead with prop exposed in the Standard particles shader.
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CoreUtils.SetKeyword(cmd, "SOFTPARTICLES_ON", cameraData.requiresSoftParticles);
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}
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void SetRenderTarget(CommandBuffer cmd, RenderBufferLoadAction loadOp, RenderBufferStoreAction storeOp, ClearFlag clearFlag, Color clearColor)
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{
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if (colorAttachmentHandle != -1)
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{
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if (depthAttachmentHandle != -1)
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SetRenderTarget(cmd, GetSurface(colorAttachmentHandle), loadOp, storeOp, GetSurface(depthAttachmentHandle), loadOp, storeOp, clearFlag, clearColor);
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else
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SetRenderTarget(cmd, GetSurface(colorAttachmentHandle), loadOp, storeOp, clearFlag, clearColor);
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}
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else
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{
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SetRenderTarget(cmd, BuiltinRenderTextureType.CameraTarget, loadOp, storeOp, clearFlag, clearColor);
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}
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}
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void RenderOpaques(ref ScriptableRenderContext context, ref CullResults cullResults, ref CameraData cameraData, RendererConfiguration rendererConfiguration, bool dynamicBatching)
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{
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CommandBuffer cmd = CommandBufferPool.Get(k_RenderOpaquesTag);
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using (new ProfilingSample(cmd, k_RenderOpaquesTag))
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{
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Camera camera = cameraData.camera;
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ClearFlag clearFlag = GetCameraClearFlag(camera);
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SetRenderTarget(cmd, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store, clearFlag, CoreUtils.ConvertSRGBToActiveColorSpace(camera.backgroundColor));
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// TODO: We need a proper way to handle multiple camera/ camera stack. Issue is: multiple cameras can share a same RT
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// (e.g, split screen games). However devs have to be dilligent with it and know when to clear/preserve color.
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// For now we make it consistent by resolving viewport with a RT until we can have a proper camera management system
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//if (colorAttachmentHandle == -1 && !cameraData.isDefaultViewport)
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// cmd.SetViewport(camera.pixelRect);
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context.ExecuteCommandBuffer(cmd);
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cmd.Clear();
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var drawSettings = CreateDrawRendererSettings(camera, SortFlags.CommonOpaque, rendererConfiguration, dynamicBatching);
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context.DrawRenderers(cullResults.visibleRenderers, ref drawSettings, renderer.opaqueFilterSettings);
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// Render objects that did not match any shader pass with error shader
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RenderObjectsWithError(ref context, ref cullResults, camera, renderer.opaqueFilterSettings, SortFlags.None);
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if (camera.clearFlags == CameraClearFlags.Skybox)
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context.DrawSkybox(camera);
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}
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context.ExecuteCommandBuffer(cmd);
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CommandBufferPool.Release(cmd);
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}
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void RenderTransparents(ref ScriptableRenderContext context, ref CullResults cullResults, ref CameraData cameraData, RendererConfiguration rendererConfiguration, bool dynamicBatching)
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{
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CommandBuffer cmd = CommandBufferPool.Get(k_RenderTransparentsTag);
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using (new ProfilingSample(cmd, k_RenderTransparentsTag))
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{
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Camera camera = cameraData.camera;
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SetRenderTarget(cmd, RenderBufferLoadAction.Load, RenderBufferStoreAction.Store, ClearFlag.None, Color.black);
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context.ExecuteCommandBuffer(cmd);
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cmd.Clear();
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var drawSettings = CreateDrawRendererSettings(camera, SortFlags.CommonTransparent, rendererConfiguration, dynamicBatching);
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context.DrawRenderers(cullResults.visibleRenderers, ref drawSettings, renderer.transparentFilterSettings);
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// Render objects that did not match any shader pass with error shader
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RenderObjectsWithError(ref context, ref cullResults, camera, renderer.transparentFilterSettings, SortFlags.None);
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}
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context.ExecuteCommandBuffer(cmd);
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CommandBufferPool.Release(cmd);
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}
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void FinalBlitPass(ref ScriptableRenderContext context, ref CameraData cameraData)
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{
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Material material = cameraData.isStereoEnabled ? null : m_BlitMaterial;
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RenderTargetIdentifier sourceRT = GetSurface(colorAttachmentHandle);
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CommandBuffer cmd = CommandBufferPool.Get("Final Blit Pass");
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cmd.SetGlobalTexture("_BlitTex", sourceRT);
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// We need to handle viewport on a RT. We do it by rendering a fullscreen quad + viewport
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if (!cameraData.isDefaultViewport)
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{
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SetRenderTarget(cmd, BuiltinRenderTextureType.CameraTarget, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store, ClearFlag.None, Color.black);
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cmd.SetViewProjectionMatrices(Matrix4x4.identity, Matrix4x4.identity);
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cmd.SetViewport(cameraData.camera.pixelRect);
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LightweightPipeline.DrawFullScreen(cmd, material);
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}
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else
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{
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cmd.Blit(GetSurface(colorAttachmentHandle), BuiltinRenderTextureType.CameraTarget, material);
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}
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context.ExecuteCommandBuffer(cmd);
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CommandBufferPool.Release(cmd);
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}
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void InitializeLightConstants(List<VisibleLight> lights, int lightIndex, out Vector4 lightPos, out Vector4 lightColor, out Vector4 lightDistanceAttenuation, out Vector4 lightSpotDir,
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out Vector4 lightSpotAttenuation)
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{
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lightPos = k_DefaultLightPosition;
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lightColor = k_DefaultLightColor;
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lightDistanceAttenuation = k_DefaultLightSpotAttenuation;
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lightSpotDir = k_DefaultLightSpotDirection;
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lightSpotAttenuation = k_DefaultLightAttenuation;
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// When no lights are visible, main light will be set to -1.
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// In this case we initialize it to default values and return
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if (lightIndex < 0)
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return;
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VisibleLight lightData = lights[lightIndex];
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if (lightData.lightType == LightType.Directional)
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{
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Vector4 dir = -lightData.localToWorld.GetColumn(2);
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lightPos = new Vector4(dir.x, dir.y, dir.z, 0.0f);
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}
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else
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{
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Vector4 pos = lightData.localToWorld.GetColumn(3);
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lightPos = new Vector4(pos.x, pos.y, pos.z, 1.0f);
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}
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// VisibleLight.finalColor already returns color in active color space
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lightColor = lightData.finalColor;
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// Directional Light attenuation is initialize so distance attenuation always be 1.0
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if (lightData.lightType != LightType.Directional)
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{
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// Light attenuation in lightweight matches the unity vanilla one.
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// attenuation = 1.0 / 1.0 + distanceToLightSqr * quadraticAttenuation
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// then a smooth factor is applied to linearly fade attenuation to light range
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// the attenuation smooth factor starts having effect at 80% of light range
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// smoothFactor = (lightRangeSqr - distanceToLightSqr) / (lightRangeSqr - fadeStartDistanceSqr)
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// We rewrite smoothFactor to be able to pre compute the constant terms below and apply the smooth factor
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// with one MAD instruction
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// smoothFactor = distanceSqr * (1.0 / (fadeDistanceSqr - lightRangeSqr)) + (-lightRangeSqr / (fadeDistanceSqr - lightRangeSqr)
|
|
// distanceSqr * oneOverFadeRangeSqr + lightRangeSqrOverFadeRangeSqr
|
|
float lightRangeSqr = lightData.range * lightData.range;
|
|
float fadeStartDistanceSqr = 0.8f * 0.8f * lightRangeSqr;
|
|
float fadeRangeSqr = (fadeStartDistanceSqr - lightRangeSqr);
|
|
float oneOverFadeRangeSqr = 1.0f / fadeRangeSqr;
|
|
float lightRangeSqrOverFadeRangeSqr = -lightRangeSqr / fadeRangeSqr;
|
|
float quadAtten = 25.0f / lightRangeSqr;
|
|
lightDistanceAttenuation = new Vector4(quadAtten, oneOverFadeRangeSqr, lightRangeSqrOverFadeRangeSqr, 1.0f);
|
|
}
|
|
|
|
if (lightData.lightType == LightType.Spot)
|
|
{
|
|
Vector4 dir = lightData.localToWorld.GetColumn(2);
|
|
lightSpotDir = new Vector4(-dir.x, -dir.y, -dir.z, 0.0f);
|
|
|
|
// Spot Attenuation with a linear falloff can be defined as
|
|
// (SdotL - cosOuterAngle) / (cosInnerAngle - cosOuterAngle)
|
|
// This can be rewritten as
|
|
// invAngleRange = 1.0 / (cosInnerAngle - cosOuterAngle)
|
|
// SdotL * invAngleRange + (-cosOuterAngle * invAngleRange)
|
|
// If we precompute the terms in a MAD instruction
|
|
float cosOuterAngle = Mathf.Cos(Mathf.Deg2Rad * lightData.spotAngle * 0.5f);
|
|
// We neeed to do a null check for particle lights
|
|
// This should be changed in the future
|
|
// Particle lights will use an inline function
|
|
float cosInnerAngle;
|
|
if (lightData.light != null)
|
|
cosInnerAngle = Mathf.Cos(LightmapperUtils.ExtractInnerCone(lightData.light) * 0.5f);
|
|
else
|
|
cosInnerAngle = Mathf.Cos((2.0f * Mathf.Atan(Mathf.Tan(lightData.spotAngle * 0.5f * Mathf.Deg2Rad) * (64.0f - 18.0f) / 64.0f)) * 0.5f);
|
|
float smoothAngleRange = Mathf.Max(0.001f, cosInnerAngle - cosOuterAngle);
|
|
float invAngleRange = 1.0f / smoothAngleRange;
|
|
float add = -cosOuterAngle * invAngleRange;
|
|
lightSpotAttenuation = new Vector4(invAngleRange, add, 0.0f);
|
|
}
|
|
|
|
Light light = lightData.light;
|
|
|
|
// TODO: Add support to shadow mask
|
|
if (light != null && light.bakingOutput.mixedLightingMode == MixedLightingMode.Subtractive && light.bakingOutput.lightmapBakeType == LightmapBakeType.Mixed)
|
|
{
|
|
if (m_MixedLightingSetup == MixedLightingSetup.None && lightData.light.shadows != LightShadows.None)
|
|
{
|
|
m_MixedLightingSetup = MixedLightingSetup.Subtractive;
|
|
lightDistanceAttenuation.w = 0.0f;
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO: move to postfx pass
|
|
void PostProcessPass(ref ScriptableRenderContext context, ref CameraData cameraData)
|
|
{
|
|
CommandBuffer cmd = CommandBufferPool.Get("Render PostProcess Effects");
|
|
LightweightPipeline.RenderPostProcess(cmd, renderer.postProcessRenderContext, ref cameraData, m_ColorFormat, GetSurface(colorAttachmentHandle), BuiltinRenderTextureType.CameraTarget, false);
|
|
context.ExecuteCommandBuffer(cmd);
|
|
CommandBufferPool.Release(cmd);
|
|
}
|
|
|
|
[Conditional("DEVELOPMENT_BUILD"), Conditional("UNITY_EDITOR")]
|
|
void RenderObjectsWithError(ref ScriptableRenderContext context, ref CullResults cullResults, Camera camera, FilterRenderersSettings filterSettings, SortFlags sortFlags)
|
|
{
|
|
if (m_ErrorMaterial != null)
|
|
{
|
|
DrawRendererSettings errorSettings = new DrawRendererSettings(camera, m_LegacyShaderPassNames[0]);
|
|
for (int i = 1; i < m_LegacyShaderPassNames.Count; ++i)
|
|
errorSettings.SetShaderPassName(i, m_LegacyShaderPassNames[i]);
|
|
|
|
errorSettings.sorting.flags = sortFlags;
|
|
errorSettings.rendererConfiguration = RendererConfiguration.None;
|
|
errorSettings.SetOverrideMaterial(m_ErrorMaterial, 0);
|
|
context.DrawRenderers(cullResults.visibleRenderers, ref errorSettings, filterSettings);
|
|
}
|
|
}
|
|
|
|
void OpaquePostProcessSubPass(ref ScriptableRenderContext context, ref CameraData cameraData)
|
|
{
|
|
CommandBuffer cmd = CommandBufferPool.Get("Render Opaque PostProcess Effects");
|
|
|
|
RenderTargetIdentifier source = GetSurface(colorAttachmentHandle);
|
|
LightweightPipeline.RenderPostProcess(cmd, renderer.postProcessRenderContext, ref cameraData, m_ColorFormat, source, GetSurface(colorAttachmentHandle), true);
|
|
context.ExecuteCommandBuffer(cmd);
|
|
CommandBufferPool.Release(cmd);
|
|
}
|
|
|
|
void CopyDepthSubPass(ref ScriptableRenderContext context, ref CameraData cameraData)
|
|
{
|
|
CommandBuffer cmd = CommandBufferPool.Get("Depth Copy");
|
|
RenderTargetIdentifier depthSurface = GetSurface(depthAttachmentHandle);
|
|
RenderTargetIdentifier copyDepthSurface = GetSurface(RenderTargetHandles.DepthTexture);
|
|
|
|
RenderTextureDescriptor descriptor = renderer.CreateRTDesc(ref cameraData);
|
|
descriptor.colorFormat = RenderTextureFormat.Depth;
|
|
descriptor.depthBufferBits = k_DepthStencilBufferBits;
|
|
descriptor.msaaSamples = 1;
|
|
descriptor.bindMS = false;
|
|
cmd.GetTemporaryRT(RenderTargetHandles.DepthTexture, descriptor, FilterMode.Point);
|
|
|
|
if (cameraData.msaaSamples > 1)
|
|
{
|
|
cmd.DisableShaderKeyword(LightweightKeywordStrings.DepthNoMsaa);
|
|
if (cameraData.msaaSamples == 4)
|
|
{
|
|
cmd.DisableShaderKeyword(LightweightKeywordStrings.DepthMsaa2);
|
|
cmd.EnableShaderKeyword(LightweightKeywordStrings.DepthMsaa4);
|
|
}
|
|
else
|
|
{
|
|
cmd.EnableShaderKeyword(LightweightKeywordStrings.DepthMsaa2);
|
|
cmd.DisableShaderKeyword(LightweightKeywordStrings.DepthMsaa4);
|
|
}
|
|
cmd.Blit(depthSurface, copyDepthSurface, m_DepthCopyMaterial);
|
|
}
|
|
else
|
|
{
|
|
cmd.EnableShaderKeyword(LightweightKeywordStrings.DepthNoMsaa);
|
|
cmd.DisableShaderKeyword(LightweightKeywordStrings.DepthMsaa2);
|
|
cmd.DisableShaderKeyword(LightweightKeywordStrings.DepthMsaa4);
|
|
LightweightPipeline.CopyTexture(cmd, depthSurface, copyDepthSurface, m_DepthCopyMaterial);
|
|
}
|
|
context.ExecuteCommandBuffer(cmd);
|
|
CommandBufferPool.Release(cmd);
|
|
}
|
|
|
|
void CopyColorSubpass(ref ScriptableRenderContext context, ref CameraData cameraData)
|
|
{
|
|
CommandBuffer cmd = CommandBufferPool.Get("Copy Opaque Color");
|
|
Downsampling downsampling = cameraData.opaqueTextureDownsampling;
|
|
float opaqueScaler = m_OpaqueScalerValues[(int)downsampling];
|
|
|
|
RenderTextureDescriptor opaqueDesc = renderer.CreateRTDesc(ref cameraData, opaqueScaler);
|
|
RenderTargetIdentifier colorRT = GetSurface(colorAttachmentHandle);
|
|
RenderTargetIdentifier opaqueColorRT = GetSurface(RenderTargetHandles.OpaqueColor);
|
|
|
|
cmd.GetTemporaryRT(RenderTargetHandles.OpaqueColor, opaqueDesc, cameraData.opaqueTextureDownsampling == Downsampling.None ? FilterMode.Point : FilterMode.Bilinear);
|
|
switch (downsampling)
|
|
{
|
|
case Downsampling.None:
|
|
cmd.Blit(colorRT, opaqueColorRT);
|
|
break;
|
|
case Downsampling._2xBilinear:
|
|
cmd.Blit(colorRT, opaqueColorRT);
|
|
break;
|
|
case Downsampling._4xBox:
|
|
m_SamplingMaterial.SetFloat(m_SampleOffsetShaderHandle, 2);
|
|
cmd.Blit(colorRT, opaqueColorRT, m_SamplingMaterial, 0);
|
|
break;
|
|
case Downsampling._4xBilinear:
|
|
cmd.Blit(colorRT, opaqueColorRT);
|
|
break;
|
|
}
|
|
|
|
context.ExecuteCommandBuffer(cmd);
|
|
CommandBufferPool.Release(cmd);
|
|
}
|
|
}
|
|
}
|