46 lines
2.4 KiB
C#
46 lines
2.4 KiB
C#
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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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/// <summary>
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/// Used by DBuffer to copy depth into different texture.
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/// In future this should be replaced by proper depth copy logic, as current CopyDepthPass do not implement RecordRenderGraph.
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/// </summary>
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internal class DBufferCopyDepthPass : CopyDepthPass
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{
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public DBufferCopyDepthPass(RenderPassEvent evt, Shader copyDepthShader, bool shouldClear = false, bool copyToDepth = false, bool copyResolvedDepth = false)
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: base(evt, copyDepthShader, shouldClear, copyToDepth, copyResolvedDepth)
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{
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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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UniversalCameraData cameraData = frameData.Get<UniversalCameraData>();
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var universalRenderer = cameraData.renderer as UniversalRenderer;
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bool isDeferred = universalRenderer.renderingModeActual == RenderingMode.Deferred;
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bool useDepthPriming = universalRenderer.useDepthPriming;
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bool isMsaa = cameraData.cameraTargetDescriptor.msaaSamples > 1;
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// We must create a temporary depth buffer for dbuffer rendering if the existing one isn't compatible.
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// The deferred path always has compatible depth
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// The forward path only has compatible depth when depth priming is enabled without MSAA
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bool hasCompatibleDepth = isDeferred || (useDepthPriming && !isMsaa);
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if (!hasCompatibleDepth)
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{
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var depthDesc = cameraData.cameraTargetDescriptor;
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depthDesc.graphicsFormat = GraphicsFormat.None; //Depth only rendering
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depthDesc.depthStencilFormat = cameraData.cameraTargetDescriptor.depthStencilFormat;
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depthDesc.msaaSamples = 1;
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resourceData.dBufferDepth = UniversalRenderer.CreateRenderGraphTexture(renderGraph, depthDesc, DBufferRenderPass.s_DBufferDepthName, true);
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// Copy the current depth data into the new attachment
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Render(renderGraph, resourceData.dBufferDepth, resourceData.cameraDepthTexture, resourceData, cameraData, false, "Copy DBuffer Depth");
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}
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}
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}
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}
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