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72 lines
2.8 KiB
72 lines
2.8 KiB
1 year ago
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using UnityEngine;
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.Universal;
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public class PixelizePass : ScriptableRenderPass
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{
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private PixelizeFeature.CustomPassSettings settings;
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private RenderTargetIdentifier colorBuffer, pixelBuffer;
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private int pixelBufferID = Shader.PropertyToID("_PixelBuffer");
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//private RenderTargetIdentifier pointBuffer;
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//private int pointBufferID = Shader.PropertyToID("_PointBuffer");
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private Material material;
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private int pixelScreenHeight, pixelScreenWidth;
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public PixelizePass(PixelizeFeature.CustomPassSettings settings)
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{
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this.settings = settings;
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this.renderPassEvent = settings.renderPassEvent;
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if (material == null) material = CoreUtils.CreateEngineMaterial("Hidden/Pixelize");
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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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colorBuffer = renderingData.cameraData.renderer.cameraColorTargetHandle;
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RenderTextureDescriptor descriptor = renderingData.cameraData.cameraTargetDescriptor;
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//cmd.GetTemporaryRT(pointBufferID, descriptor.width, descriptor.height, 0, FilterMode.Point);
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//pointBuffer = new RenderTargetIdentifier(pointBufferID);
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pixelScreenHeight = settings.screenHeight;
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pixelScreenWidth = (int)(pixelScreenHeight * renderingData.cameraData.camera.aspect + 0.5f);
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material.SetVector("_BlockCount", new Vector2(pixelScreenWidth, pixelScreenHeight));
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material.SetVector("_BlockSize", new Vector2(1.0f / pixelScreenWidth, 1.0f / pixelScreenHeight));
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material.SetVector("_HalfBlockSize", new Vector2(0.5f / pixelScreenWidth, 0.5f / pixelScreenHeight));
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descriptor.height = pixelScreenHeight;
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descriptor.width = pixelScreenWidth;
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cmd.GetTemporaryRT(pixelBufferID, descriptor, FilterMode.Point);
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pixelBuffer = new RenderTargetIdentifier(pixelBufferID);
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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();
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using (new ProfilingScope(cmd, new ProfilingSampler("Pixelize Pass")))
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{
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// No-shader variant
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//Blit(cmd, colorBuffer, pointBuffer);
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//Blit(cmd, pointBuffer, pixelBuffer);
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//Blit(cmd, pixelBuffer, colorBuffer);
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Blit(cmd, colorBuffer, pixelBuffer, material);
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Blit(cmd, pixelBuffer, colorBuffer);
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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 OnCameraCleanup(CommandBuffer cmd)
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{
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if (cmd == null) throw new System.ArgumentNullException("cmd");
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cmd.ReleaseTemporaryRT(pixelBufferID);
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//cmd.ReleaseTemporaryRT(pointBufferID);
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}
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}
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