67 lines
2.8 KiB
C#
67 lines
2.8 KiB
C#
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using System;
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namespace UnityEngine.Rendering.Universal.Internal
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{
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/// <summary>
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/// Calculate min and max depth per screen tile for tiled-based deferred shading.
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/// </summary>
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internal class TileDepthRangePass : ScriptableRenderPass
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{
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DeferredLights m_DeferredLights;
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int m_PassIndex = 0;
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public TileDepthRangePass(RenderPassEvent evt, DeferredLights deferredLights, int passIndex)
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{
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base.profilingSampler = new ProfilingSampler(nameof(TileDepthRangePass));
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base.renderPassEvent = evt;
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m_DeferredLights = deferredLights;
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m_PassIndex = passIndex;
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}
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public override void Configure(CommandBuffer cmd, RenderTextureDescriptor cameraTextureDescriptor)
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{
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RenderTargetHandle outputTex;
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RenderTextureDescriptor desc;
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if (m_PassIndex == 0 && m_DeferredLights.HasTileDepthRangeExtraPass())
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{
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int alignment = 1 << DeferredConfig.kTileDepthInfoIntermediateLevel;
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int depthInfoWidth = (m_DeferredLights.RenderWidth + alignment - 1) >> DeferredConfig.kTileDepthInfoIntermediateLevel;
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int depthInfoHeight = (m_DeferredLights.RenderHeight + alignment - 1) >> DeferredConfig.kTileDepthInfoIntermediateLevel;
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outputTex = m_DeferredLights.DepthInfoTexture;
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desc = new RenderTextureDescriptor(depthInfoWidth, depthInfoHeight, UnityEngine.Experimental.Rendering.GraphicsFormat.R32_UInt, 0);
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}
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else
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{
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int tileDepthRangeWidth = m_DeferredLights.GetTiler(0).TileXCount;
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int tileDepthRangeHeight = m_DeferredLights.GetTiler(0).TileYCount;
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outputTex = m_DeferredLights.TileDepthInfoTexture;
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desc = new RenderTextureDescriptor(tileDepthRangeWidth, tileDepthRangeHeight, UnityEngine.Experimental.Rendering.GraphicsFormat.R32_UInt, 0);
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}
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cmd.GetTemporaryRT(outputTex.id, desc, FilterMode.Point);
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base.ConfigureTarget(outputTex.Identifier());
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}
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/// <inheritdoc/>
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public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
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{
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if (m_PassIndex == 0)
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m_DeferredLights.ExecuteTileDepthInfoPass(context, ref renderingData);
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else
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m_DeferredLights.ExecuteDownsampleBitmaskPass(context, ref renderingData);
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}
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/// <inheritdoc/>
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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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throw new ArgumentNullException("cmd");
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cmd.ReleaseTemporaryRT(m_DeferredLights.TileDepthInfoTexture.id);
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m_DeferredLights.TileDepthInfoTexture = RenderTargetHandle.CameraTarget;
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}
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}
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}
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