60 lines
2.4 KiB
C#
60 lines
2.4 KiB
C#
using System;
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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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namespace RebootKit.Engine.Graphics.Pixelize {
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public class PixelizePass : ScriptableRenderPass {
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static readonly int PixelBufferID = Shader.PropertyToID("_PixelBuffer");
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RenderTargetIdentifier _colorBuffer;
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int _frameHeight;
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int _frameWidth;
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readonly Material _material;
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RenderTargetIdentifier _pixelBuffer;
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readonly PixelizeFeature.PassSettings _settings;
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public PixelizePass(PixelizeFeature.PassSettings settings) {
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_settings = settings;
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renderPassEvent = settings.RenderPassEvent;
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_material = CoreUtils.CreateEngineMaterial("Hidden/Szafa/Pixelize");
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}
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public override void OnCameraSetup(CommandBuffer cmd, ref RenderingData renderingData) {
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_colorBuffer = renderingData.cameraData.renderer.cameraColorTargetHandle;
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RenderTextureDescriptor descriptor = renderingData.cameraData.cameraTargetDescriptor;
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_frameHeight = _settings.FrameHeight;
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_frameWidth = (int) (_frameHeight * renderingData.cameraData.camera.aspect + 0.5f);
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_material.SetVector("_BlockCount", new Vector2(_frameWidth, _frameHeight));
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_material.SetVector("_BlockSize", new Vector2(1.0f / _frameWidth, 1.0f / _frameHeight));
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_material.SetVector("_HalfBlockSize", new Vector2(0.5f / _frameWidth, 0.5f / _frameHeight));
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descriptor.height = _frameWidth;
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descriptor.width = _frameWidth;
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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 OnCameraCleanup(CommandBuffer cmd) {
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if (cmd == null) throw new ArgumentNullException(nameof(cmd));
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cmd.ReleaseTemporaryRT(PixelBufferID);
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}
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public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData) {
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CommandBuffer cmd = CommandBufferPool.Get();
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using (new ProfilingScope(cmd, new ProfilingSampler("Pixelize Pass"))) {
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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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}
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} |