87 lines
3.3 KiB
C#
87 lines
3.3 KiB
C#
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using System;
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using UnityEngine.Experimental.Rendering;
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using UnityEngine.Rendering.RenderGraphModule;
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namespace UnityEngine.Rendering.Universal
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{
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internal class UpscalePass : ScriptableRenderPass
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{
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static readonly string k_UpscalePass = "Upscale2D Pass";
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private static readonly ProfilingSampler m_ProfilingSampler = new ProfilingSampler(k_UpscalePass);
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private static readonly ProfilingSampler m_ExecuteProfilingSampler = new ProfilingSampler("Draw Upscale");
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static Material m_BlitMaterial;
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private RTHandle source;
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private RTHandle destination;
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private class PassData
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{
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internal TextureHandle source;
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}
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public UpscalePass(RenderPassEvent evt, Material blitMaterial)
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{
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renderPassEvent = evt;
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m_BlitMaterial = blitMaterial;
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}
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public void Setup(RTHandle colorTargetHandle, int width, int height, FilterMode mode, RenderTextureDescriptor cameraTargetDescriptor, out RTHandle upscaleHandle)
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{
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source = colorTargetHandle;
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RenderTextureDescriptor desc = cameraTargetDescriptor;
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desc.width = width;
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desc.height = height;
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desc.depthStencilFormat = GraphicsFormat.None;
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RenderingUtils.ReAllocateHandleIfNeeded(ref destination, desc, mode, TextureWrapMode.Clamp, name: "_UpscaleTexture");
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upscaleHandle = destination;
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}
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public void Dispose()
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{
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destination?.Release();
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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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var cmd = renderingData.commandBuffer;
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cmd.SetRenderTarget(destination);
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ExecutePass(CommandBufferHelpers.GetRasterCommandBuffer(cmd), source);
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}
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private static void ExecutePass(RasterCommandBuffer cmd, RTHandle source)
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{
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using (new ProfilingScope(cmd, m_ExecuteProfilingSampler))
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{
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Vector2 viewportScale = source.useScaling ? new Vector2(source.rtHandleProperties.rtHandleScale.x, source.rtHandleProperties.rtHandleScale.y) : Vector2.one;
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Blitter.BlitTexture(cmd, source, viewportScale, m_BlitMaterial, source.rt.filterMode == FilterMode.Bilinear ? 1 : 0);
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}
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}
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public void Render(RenderGraph graph, Camera camera, in TextureHandle cameraColorAttachment, in TextureHandle upscaleHandle)
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{
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camera.TryGetComponent<PixelPerfectCamera>(out var ppc);
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if (ppc == null || !ppc.enabled || !ppc.requiresUpscalePass)
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return;
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using (var builder = graph.AddRasterRenderPass<PassData>(k_UpscalePass, out var passData, m_ProfilingSampler))
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{
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passData.source = cameraColorAttachment;
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builder.SetRenderAttachment(upscaleHandle, 0);
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builder.UseTexture(cameraColorAttachment);
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builder.AllowPassCulling(false);
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builder.SetRenderFunc((PassData data, RasterGraphContext context) =>
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{
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ExecutePass(context.cmd, data.source);
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});
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}
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}
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}
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}
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