96 lines
3.2 KiB
C#
96 lines
3.2 KiB
C#
using UnityEngine;
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.Universal;
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public class DrawFullscreenPass : ScriptableRenderPass
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{
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public FilterMode FilterMode { get; set; }
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public DrawFullscreenFeature.Settings Settings { get; set; }
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private RenderTargetIdentifier _source;
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private RenderTargetIdentifier _destination;
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private int _temporaryRTId = Shader.PropertyToID("TempRT");
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private int _sourceId;
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private int _destinationId;
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private bool _isSourceAndDestinationSameTarget;
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private string _profilerTag;
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public DrawFullscreenPass(string tag)
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{
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_profilerTag = tag;
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}
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public override void OnCameraSetup(CommandBuffer cmd, ref RenderingData renderingData)
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{
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RenderTextureDescriptor blitTargetDescriptor = renderingData.cameraData.cameraTargetDescriptor;
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blitTargetDescriptor.depthBufferBits = 0;
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_isSourceAndDestinationSameTarget =
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Settings.sourceType == Settings.destinationType &&
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(Settings.sourceType == BufferType.CameraColor ||
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Settings.sourceTextureId == Settings.destinationTextureId);
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var renderer = renderingData.cameraData.renderer;
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if (Settings.sourceType == BufferType.CameraColor)
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{
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_sourceId = -1;
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_source = renderer.cameraColorTarget;
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}
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else
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{
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_sourceId = Shader.PropertyToID(Settings.sourceTextureId);
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cmd.GetTemporaryRT(_sourceId, blitTargetDescriptor, FilterMode);
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_source = new RenderTargetIdentifier(_sourceId);
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}
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if (_isSourceAndDestinationSameTarget)
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{
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_destinationId = _temporaryRTId;
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cmd.GetTemporaryRT(_destinationId, blitTargetDescriptor, FilterMode);
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_destination = new RenderTargetIdentifier(_destinationId);
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}
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else if (Settings.destinationType == BufferType.CameraColor)
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{
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_destinationId = -1;
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_destination = renderer.cameraColorTarget;
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}
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else
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{
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_destinationId = Shader.PropertyToID(Settings.destinationTextureId);
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cmd.GetTemporaryRT(_destinationId, blitTargetDescriptor, FilterMode);
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_destination = new RenderTargetIdentifier(_destinationId);
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}
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}
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public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
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{
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CommandBuffer cmd = CommandBufferPool.Get(_profilerTag);
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if (_isSourceAndDestinationSameTarget)
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{
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cmd.Blit(_source, _destination, Settings.blitMaterial, Settings.blitMaterialPassIndex);
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cmd.Blit(_destination, _source);
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}
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else
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{
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cmd.Blit(_source, _destination, Settings.blitMaterial, Settings.blitMaterialPassIndex);
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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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public override void FrameCleanup(CommandBuffer cmd)
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{
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if (_destinationId != -1)
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{
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cmd.ReleaseTemporaryRT(_destinationId);
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}
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if (_source == _destination && _source != -1)
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{
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cmd.ReleaseTemporaryRT(_sourceId);
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}
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}
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} |