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97 lines
4.0 KiB
97 lines
4.0 KiB
using UnityEngine;
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using UnityEngine.Experimental.Rendering;
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using UnityEngine.Rendering;
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namespace FidelityFX
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{
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internal class CacaoResources
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{
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public RenderTexture LoadCounter;
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public RenderTexture DeinterleavedDepths;
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public RenderTexture DeinterleavedNormals;
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public RenderTexture SsaoBufferPing;
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public RenderTexture SsaoBufferPong;
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public RenderTexture ImportanceMap;
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public RenderTexture ImportanceMapPong;
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public RenderTexture DownsampledSsaoBuffer;
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public bool CreateLoadCounter()
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{
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LoadCounter = new RenderTexture(1, 1, 0, GraphicsFormat.R32_UInt) { name = "FFX_CACAO_LOAD_COUNTER", enableRandomWrite = true };
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if (!LoadCounter.Create())
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{
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Debug.LogError("Failed to create load counter resource");
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return false;
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}
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return true;
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}
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public void DestroyLoadCounter()
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{
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DestroyResource(ref LoadCounter);
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}
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public bool CreateResources(in Cacao.BufferSizeInfo bsi)
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{
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CreateArrayResource(out DeinterleavedDepths, "FFX_CACAO_DEINTERLEAVED_DEPTHS", bsi.DeinterleavedDepthBufferWidth, bsi.DeinterleavedDepthBufferHeight, GraphicsFormat.R16_SFloat, 4,4);
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CreateArrayResource(out DeinterleavedNormals, "FFX_CACAO_DEINTERLEAVED_NORMALS", bsi.SsaoBufferWidth, bsi.SsaoBufferHeight, GraphicsFormat.R8G8B8A8_SNorm, 4); // TODO: does SNorm work?
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CreateArrayResource(out SsaoBufferPing, "FFX_CACAO_SSAO_BUFFER_PING", bsi.SsaoBufferWidth, bsi.SsaoBufferHeight, GraphicsFormat.R8G8_UNorm, 4);
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CreateArrayResource(out SsaoBufferPong, "FFX_CACAO_SSAO_BUFFER_PONG", bsi.SsaoBufferWidth, bsi.SsaoBufferHeight, GraphicsFormat.R8G8_UNorm, 4);
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CreateResource(out ImportanceMap, "FFX_CACAO_IMPORTANCE_MAP", bsi.ImportanceMapWidth, bsi.ImportanceMapHeight, GraphicsFormat.R8_UNorm);
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CreateResource(out ImportanceMapPong, "FFX_CACAO_IMPORTANCE_MAP_PONG", bsi.ImportanceMapWidth, bsi.ImportanceMapHeight, GraphicsFormat.R8_UNorm);
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CreateResource(out DownsampledSsaoBuffer, "FFX_CACAO_DOWNSAMPLED_SSAO_BUFFER", bsi.DownsampledSsaoBufferWidth, bsi.DownsampledSsaoBufferHeight, GraphicsFormat.R8_UNorm);
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return true;
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}
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public void DestroyResources()
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{
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DestroyResource(ref DownsampledSsaoBuffer);
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DestroyResource(ref ImportanceMapPong);
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DestroyResource(ref ImportanceMap);
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DestroyResource(ref SsaoBufferPong);
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DestroyResource(ref SsaoBufferPing);
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DestroyResource(ref DeinterleavedNormals);
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DestroyResource(ref DeinterleavedDepths);
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}
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private static bool CreateResource(out RenderTexture resource, string name, uint width, uint height, GraphicsFormat format)
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{
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resource = new RenderTexture((int)width, (int)height, 0, format) { name = name, enableRandomWrite = true };
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return resource.Create();
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}
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private static bool CreateArrayResource(out RenderTexture resource, string name, uint width, uint height, GraphicsFormat format, int arraySize, int mipCount = 1)
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{
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var desc = new RenderTextureDescriptor
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{
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width = (int)width,
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height = (int)height,
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depthBufferBits = 0,
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msaaSamples = 1,
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graphicsFormat = format,
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useMipMap = mipCount > 1,
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mipCount = mipCount,
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autoGenerateMips = false,
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enableRandomWrite = true,
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dimension = TextureDimension.Tex2DArray,
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volumeDepth = arraySize,
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};
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resource = new RenderTexture(desc);
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return resource.Create();
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}
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private static void DestroyResource(ref RenderTexture resource)
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{
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if (resource == null)
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return;
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resource.Release();
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resource = null;
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}
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}
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}
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