221 lines
10 KiB
C#
221 lines
10 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine.Experimental.Rendering;
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using UnityEngine.Rendering.RenderGraphModule;
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using UnityEngine.Rendering.Universal.Internal;
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namespace UnityEngine.Rendering.Universal
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{
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internal class DecalDrawGBufferSystem : DecalDrawSystem
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{
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public DecalDrawGBufferSystem(DecalEntityManager entityManager) : base("DecalDrawGBufferSystem.Execute", entityManager) { }
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protected override int GetPassIndex(DecalCachedChunk decalCachedChunk) => decalCachedChunk.passIndexGBuffer;
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}
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internal class DecalGBufferRenderPass : ScriptableRenderPass
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{
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private FilteringSettings m_FilteringSettings;
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private List<ShaderTagId> m_ShaderTagIdList;
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private DecalDrawGBufferSystem m_DrawSystem;
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private DecalScreenSpaceSettings m_Settings;
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private DeferredLights m_DeferredLights;
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private RTHandle[] m_GbufferAttachments;
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private bool m_DecalLayers;
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private PassData m_PassData;
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public DecalGBufferRenderPass(DecalScreenSpaceSettings settings, DecalDrawGBufferSystem drawSystem, bool decalLayers)
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{
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renderPassEvent = RenderPassEvent.AfterRenderingGbuffer;
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m_DrawSystem = drawSystem;
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m_Settings = settings;
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profilingSampler = new ProfilingSampler("Draw Decal To GBuffer");
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m_FilteringSettings = new FilteringSettings(RenderQueueRange.opaque, -1);
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m_DecalLayers = decalLayers;
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m_ShaderTagIdList = new List<ShaderTagId>();
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if (drawSystem == null)
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m_ShaderTagIdList.Add(new ShaderTagId(DecalShaderPassNames.DecalGBufferProjector));
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else
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m_ShaderTagIdList.Add(new ShaderTagId(DecalShaderPassNames.DecalGBufferMesh));
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m_PassData = new PassData();
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m_GbufferAttachments = new RTHandle[4];
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breakGBufferAndDeferredRenderPass = false;
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}
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internal void Setup(DeferredLights deferredLights)
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{
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m_DeferredLights = deferredLights;
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}
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[Obsolete(DeprecationMessage.CompatibilityScriptingAPIObsolete, false)]
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public override void Configure(CommandBuffer cmd, RenderTextureDescriptor cameraTextureDescriptor)
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{
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if (m_DeferredLights.UseFramebufferFetch)
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{
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m_GbufferAttachments[0] = m_DeferredLights.GbufferAttachments[0];
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m_GbufferAttachments[1] = m_DeferredLights.GbufferAttachments[1];
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m_GbufferAttachments[2] = m_DeferredLights.GbufferAttachments[2];
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m_GbufferAttachments[3] = m_DeferredLights.GbufferAttachments[3];
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if (m_DecalLayers)
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{
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var deferredInputAttachments = new RTHandle[]
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{
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m_DeferredLights.GbufferAttachments[m_DeferredLights.GbufferDepthIndex],
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m_DeferredLights.GbufferAttachments[m_DeferredLights.GBufferRenderingLayers],
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};
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var deferredInputIsTransient = new bool[]
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{
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true, false, // TODO: Make rendering layers transient
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};
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// Disable obsolete warning for internal usage
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#pragma warning disable CS0618
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ConfigureInputAttachments(deferredInputAttachments, deferredInputIsTransient);
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#pragma warning restore CS0618
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}
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else
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{
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var deferredInputAttachments = new RTHandle[]
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{
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m_DeferredLights.GbufferAttachments[m_DeferredLights.GbufferDepthIndex],
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};
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var deferredInputIsTransient = new bool[]
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{
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true,
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};
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// Disable obsolete warning for internal usage
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#pragma warning disable CS0618
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ConfigureInputAttachments(deferredInputAttachments, deferredInputIsTransient);
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#pragma warning restore CS0618
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}
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}
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else
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{
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m_GbufferAttachments[0] = m_DeferredLights.GbufferAttachments[0];
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m_GbufferAttachments[1] = m_DeferredLights.GbufferAttachments[1];
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m_GbufferAttachments[2] = m_DeferredLights.GbufferAttachments[2];
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m_GbufferAttachments[3] = m_DeferredLights.GbufferAttachments[3];
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}
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// Disable obsolete warning for internal usage
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#pragma warning disable CS0618
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ConfigureTarget(m_GbufferAttachments, m_DeferredLights.DepthAttachmentHandle);
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#pragma warning restore CS0618
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}
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[Obsolete(DeprecationMessage.CompatibilityScriptingAPIObsolete, false)]
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public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
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{
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UniversalCameraData cameraData = renderingData.frameData.Get<UniversalCameraData>();
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InitPassData(cameraData, ref m_PassData);
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SortingCriteria sortingCriteria = renderingData.cameraData.defaultOpaqueSortFlags;
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DrawingSettings drawingSettings = RenderingUtils.CreateDrawingSettings(m_ShaderTagIdList, ref renderingData, sortingCriteria);
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var param = new RendererListParams(renderingData.cullResults, drawingSettings, m_FilteringSettings);
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var rendererList = context.CreateRendererList(ref param);
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using (new ProfilingScope(renderingData.commandBuffer, profilingSampler))
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{
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ExecutePass(CommandBufferHelpers.GetRasterCommandBuffer(renderingData.commandBuffer), m_PassData, rendererList);
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}
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}
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private class PassData
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{
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internal DecalDrawGBufferSystem drawSystem;
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internal DecalScreenSpaceSettings settings;
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internal bool decalLayers;
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internal UniversalCameraData cameraData;
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internal RendererListHandle rendererList;
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}
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private void InitPassData(UniversalCameraData cameraData, ref PassData passData)
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{
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passData.drawSystem = m_DrawSystem;
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passData.settings = m_Settings;
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passData.decalLayers = m_DecalLayers;
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passData.cameraData = cameraData;
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}
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private static void ExecutePass(RasterCommandBuffer cmd, PassData passData, RendererList rendererList)
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{
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NormalReconstruction.SetupProperties(cmd, passData.cameraData);
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cmd.SetKeyword(ShaderGlobalKeywords.DecalNormalBlendLow, passData.settings.normalBlend == DecalNormalBlend.Low);
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cmd.SetKeyword(ShaderGlobalKeywords.DecalNormalBlendMedium, passData.settings.normalBlend == DecalNormalBlend.Medium);
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cmd.SetKeyword(ShaderGlobalKeywords.DecalNormalBlendHigh, passData.settings.normalBlend == DecalNormalBlend.High);
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cmd.SetKeyword(ShaderGlobalKeywords.DecalLayers, passData.decalLayers);
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passData.drawSystem?.Execute(cmd);
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cmd.DrawRendererList(rendererList);
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}
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public override void RecordRenderGraph(RenderGraph renderGraph, ContextContainer frameData)
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{
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UniversalResourceData resourceData = frameData.Get<UniversalResourceData>();
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TextureHandle cameraDepthTexture = resourceData.cameraDepthTexture;
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using (var builder = renderGraph.AddRasterRenderPass<PassData>(passName, out var passData, profilingSampler))
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{
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UniversalRenderingData renderingData = frameData.Get<UniversalRenderingData>();
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UniversalCameraData cameraData = frameData.Get<UniversalCameraData>();
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UniversalLightData lightData = frameData.Get<UniversalLightData>();
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InitPassData(cameraData, ref passData);
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TextureHandle[] gBufferHandles = resourceData.gBuffer;
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builder.SetRenderAttachment(gBufferHandles[0], 0, AccessFlags.Write);
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builder.SetRenderAttachment(gBufferHandles[1], 1, AccessFlags.Write);
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builder.SetRenderAttachment(gBufferHandles[2], 2, AccessFlags.Write);
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builder.SetRenderAttachment(gBufferHandles[3], 3, AccessFlags.Write);
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builder.SetRenderAttachmentDepth(resourceData.activeDepthTexture, AccessFlags.Read);
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if (renderGraph.nativeRenderPassesEnabled)
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{
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builder.SetInputAttachment(gBufferHandles[4], 0, AccessFlags.Read);
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if (m_DecalLayers)
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builder.SetInputAttachment(gBufferHandles[5], 1, AccessFlags.Read);
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}
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else if (cameraDepthTexture.IsValid())
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builder.UseTexture(cameraDepthTexture, AccessFlags.Read);
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SortingCriteria sortingCriteria = passData.cameraData.defaultOpaqueSortFlags;
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DrawingSettings drawingSettings = RenderingUtils.CreateDrawingSettings(m_ShaderTagIdList, renderingData,
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passData.cameraData, lightData, sortingCriteria);
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var param = new RendererListParams(renderingData.cullResults, drawingSettings, m_FilteringSettings);
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passData.rendererList = renderGraph.CreateRendererList(param);
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builder.UseRendererList(passData.rendererList);
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builder.AllowGlobalStateModification(true);
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builder.SetRenderFunc((PassData data, RasterGraphContext rgContext) =>
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{
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ExecutePass(rgContext.cmd, data, data.rendererList);
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});
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}
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}
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public override void OnCameraCleanup(CommandBuffer cmd)
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{
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if (cmd == null)
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{
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throw new System.ArgumentNullException("cmd");
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}
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cmd.SetKeyword(ShaderGlobalKeywords.DecalNormalBlendLow, false);
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cmd.SetKeyword(ShaderGlobalKeywords.DecalNormalBlendMedium, false);
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cmd.SetKeyword(ShaderGlobalKeywords.DecalNormalBlendHigh, false);
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cmd.SetKeyword(ShaderGlobalKeywords.DecalLayers, false);
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}
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}
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}
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