635 lines
27 KiB
C#
635 lines
27 KiB
C#
using System;
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using System.Diagnostics;
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using System.Collections.Generic;
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using System.Runtime.CompilerServices;
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namespace UnityEngine.Rendering.RenderGraphModule
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{
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[DebuggerDisplay("RenderPass: {name} (Index:{index} Async:{enableAsyncCompute})")]
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abstract class RenderGraphPass
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{
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public abstract void Execute(InternalRenderGraphContext renderGraphContext);
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public abstract void Release(RenderGraphObjectPool pool);
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public abstract bool HasRenderFunc();
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public abstract int GetRenderFuncHash();
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public string name { get; protected set; }
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public int index { get; protected set; }
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public RenderGraphPassType type { get; internal set; }
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public ProfilingSampler customSampler { get; protected set; }
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public bool enableAsyncCompute { get; protected set; }
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public bool allowPassCulling { get; protected set; }
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public bool allowGlobalState { get; protected set; }
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public bool enableFoveatedRasterization { get; protected set; }
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// Before using the AccessFlags use resourceHandle.isValid()
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// to make sure that the data in the colorBuffer/fragmentInput/randomAccessResource buffers are up to date
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public TextureAccess depthAccess { get; protected set; }
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public TextureAccess[] colorBufferAccess { get; protected set; } = new TextureAccess[RenderGraph.kMaxMRTCount];
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public int colorBufferMaxIndex { get; protected set; } = -1;
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// Used by native pass compiler only
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public TextureAccess[] fragmentInputAccess { get; protected set; } = new TextureAccess[RenderGraph.kMaxMRTCount];
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public int fragmentInputMaxIndex { get; protected set; } = -1;
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public struct RandomWriteResourceInfo
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{
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public ResourceHandle h;
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public bool preserveCounterValue;
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}
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// This list can contain both texture and buffer resources based on their binding index.
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public RandomWriteResourceInfo[] randomAccessResource { get; protected set; } = new RandomWriteResourceInfo[RenderGraph.kMaxMRTCount];
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public int randomAccessResourceMaxIndex { get; protected set; } = -1;
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public bool generateDebugData { get; protected set; }
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public bool allowRendererListCulling { get; protected set; }
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public List<ResourceHandle>[] resourceReadLists = new List<ResourceHandle>[(int)RenderGraphResourceType.Count];
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public List<ResourceHandle>[] resourceWriteLists = new List<ResourceHandle>[(int)RenderGraphResourceType.Count];
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public List<ResourceHandle>[] transientResourceList = new List<ResourceHandle>[(int)RenderGraphResourceType.Count];
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public List<RendererListHandle> usedRendererListList = new List<RendererListHandle>();
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public List<ValueTuple<TextureHandle, int>> setGlobalsList = new List<ValueTuple<TextureHandle, int>>();
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public bool useAllGlobalTextures;
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public List<ResourceHandle> implicitReadsList = new List<ResourceHandle>();
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public RenderGraphPass()
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{
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for (int i = 0; i < (int)RenderGraphResourceType.Count; ++i)
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{
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resourceReadLists[i] = new List<ResourceHandle>();
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resourceWriteLists[i] = new List<ResourceHandle>();
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transientResourceList[i] = new List<ResourceHandle>();
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}
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}
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public void Clear()
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{
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name = "";
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index = -1;
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customSampler = null;
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for (int i = 0; i < (int)RenderGraphResourceType.Count; ++i)
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{
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resourceReadLists[i].Clear();
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resourceWriteLists[i].Clear();
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transientResourceList[i].Clear();
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}
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usedRendererListList.Clear();
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setGlobalsList.Clear();
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useAllGlobalTextures = false;
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implicitReadsList.Clear();
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enableAsyncCompute = false;
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allowPassCulling = true;
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allowRendererListCulling = true;
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allowGlobalState = false;
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enableFoveatedRasterization = false;
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generateDebugData = true;
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// Invalidate the buffers without clearing them, as it is too costly
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// Use IsValid() to make sure that the data in the colorBuffer/fragmentInput/randomAccessResource buffers are up to date
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colorBufferMaxIndex = -1;
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fragmentInputMaxIndex = -1;
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randomAccessResourceMaxIndex = -1;
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}
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// Check if the pass has any render targets set-up
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool HasRenderAttachments()
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{
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return depthAccess.textureHandle.IsValid() || colorBufferAccess[0].textureHandle.IsValid() || colorBufferMaxIndex > 0;
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}
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// Checks if the resource is involved in this pass
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool IsTransient(in ResourceHandle res)
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{
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return transientResourceList[res.iType].Contains(res);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool IsWritten(in ResourceHandle res)
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{
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// You can only ever write to the latest version so we ignore it when looking in the list
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for (int i = 0; i < resourceWriteLists[res.iType].Count; i++)
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{
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if (resourceWriteLists[res.iType][i].index == res.index)
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{
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return true;
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}
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}
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return false;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool IsRead(in ResourceHandle res)
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{
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if (res.IsVersioned)
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{
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return resourceReadLists[res.iType].Contains(res);
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}
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else
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{
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// Just look if we are reading any version of this texture.
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// Note that in theory this pass could read from several versions of the same texture
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// e.g. ColorBuffer,v3 and ColorBuffer,v5 so this check is always conservative
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for (int i = 0; i < resourceReadLists[res.iType].Count; i++)
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{
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if (resourceReadLists[res.iType][i].index == res.index)
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{
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return true;
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}
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}
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return false;
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool IsAttachment(in TextureHandle res)
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{
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// We ignore the version when checking, if any version is used it is considered a match
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if (depthAccess.textureHandle.IsValid() && depthAccess.textureHandle.handle.index == res.handle.index) return true;
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for (int i = 0; i < colorBufferAccess.Length; i++)
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{
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if (colorBufferAccess[i].textureHandle.IsValid() && colorBufferAccess[i].textureHandle.handle.index == res.handle.index) return true;
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}
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return false;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void AddResourceWrite(in ResourceHandle res)
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{
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resourceWriteLists[res.iType].Add(res);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void AddResourceRead(in ResourceHandle res)
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{
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resourceReadLists[res.iType].Add(res);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void AddTransientResource(in ResourceHandle res)
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{
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transientResourceList[res.iType].Add(res);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void UseRendererList(in RendererListHandle rendererList)
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{
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usedRendererListList.Add(rendererList);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void EnableAsyncCompute(bool value)
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{
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enableAsyncCompute = value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void AllowPassCulling(bool value)
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{
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allowPassCulling = value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void EnableFoveatedRasterization(bool value)
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{
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enableFoveatedRasterization = value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void AllowRendererListCulling(bool value)
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{
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allowRendererListCulling = value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void AllowGlobalState(bool value)
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{
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allowGlobalState = value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void GenerateDebugData(bool value)
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{
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generateDebugData = value;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void SetColorBuffer(in TextureHandle resource, int index)
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{
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Debug.Assert(index < RenderGraph.kMaxMRTCount && index >= 0);
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colorBufferMaxIndex = Math.Max(colorBufferMaxIndex, index);
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colorBufferAccess[index].textureHandle = resource;
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AddResourceWrite(resource.handle);
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}
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// Sets up the color buffer for this pass but not any resource Read/Writes for it
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void SetColorBufferRaw(in TextureHandle resource, int index, AccessFlags accessFlags, int mipLevel, int depthSlice)
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{
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Debug.Assert(index < RenderGraph.kMaxMRTCount && index >= 0);
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if (colorBufferAccess[index].textureHandle.handle.Equals(resource.handle) || !colorBufferAccess[index].textureHandle.IsValid())
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{
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colorBufferMaxIndex = Math.Max(colorBufferMaxIndex, index);
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colorBufferAccess[index].textureHandle = resource;
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colorBufferAccess[index].flags = accessFlags;
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colorBufferAccess[index].mipLevel = mipLevel;
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colorBufferAccess[index].depthSlice = depthSlice;
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}
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else
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{
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#if DEVELOPMENT_BUILD || UNITY_EDITOR
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// You tried to do SetRenderAttachment(tex1, 1, ..); SetRenderAttachment(tex2, 1, ..); that is not valid for different textures on the same index
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throw new InvalidOperationException("You can only bind a single texture to an MRT index. Verify your indexes are correct.");
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#endif
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}
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}
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// Sets up the color buffer for this pass but not any resource Read/Writes for it
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void SetFragmentInputRaw(in TextureHandle resource, int index, AccessFlags accessFlags, int mipLevel, int depthSlice)
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{
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Debug.Assert(index < RenderGraph.kMaxMRTCount && index >= 0);
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if (fragmentInputAccess[index].textureHandle.handle.Equals(resource.handle) || !fragmentInputAccess[index].textureHandle.IsValid())
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{
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fragmentInputMaxIndex = Math.Max(fragmentInputMaxIndex, index);
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fragmentInputAccess[index].textureHandle = resource;
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fragmentInputAccess[index].flags = accessFlags;
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fragmentInputAccess[index].mipLevel = mipLevel;
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fragmentInputAccess[index].depthSlice = depthSlice;
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}
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else
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{
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#if DEVELOPMENT_BUILD || UNITY_EDITOR
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// You tried to do SetRenderAttachment(tex1, 1, ..); SetRenderAttachment(tex2, 1, ..); that is not valid for different textures on the same index
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throw new InvalidOperationException("You can only bind a single texture to an fragment input index. Verify your indexes are correct.");
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#endif
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}
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}
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// Sets up the color buffer for this pass but not any resource Read/Writes for it
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void SetRandomWriteResourceRaw(in ResourceHandle resource, int index, bool preserveCounterValue, AccessFlags accessFlags)
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{
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Debug.Assert(index < RenderGraph.kMaxMRTCount && index >= 0);
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if (randomAccessResource[index].h.Equals(resource) || !randomAccessResource[index].h.IsValid())
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{
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randomAccessResourceMaxIndex = Math.Max(randomAccessResourceMaxIndex, index);
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ref var info = ref randomAccessResource[index];
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info.h = resource;
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info.preserveCounterValue = preserveCounterValue;
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}
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else
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{
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// You tried to do SetRenderAttachment(tex1, 1, ..); SetRenderAttachment(tex2, 1, ..); that is not valid for different textures on the same index
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throw new InvalidOperationException("You can only bind a single texture to an random write input index. Verify your indexes are correct.");
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void SetDepthBuffer(in TextureHandle resource, DepthAccess flags)
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{
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depthAccess = new TextureAccess(resource, (AccessFlags)flags, 0, 0);
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if ((flags & DepthAccess.Read) != 0)
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AddResourceRead(resource.handle);
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if ((flags & DepthAccess.Write) != 0)
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AddResourceWrite(resource.handle);
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}
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// Sets up the depth buffer for this pass but not any resource Read/Writes for it
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void SetDepthBufferRaw(in TextureHandle resource, AccessFlags accessFlags, int mipLevel, int depthSlice)
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{
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// If no depth buffer yet or if it is the same one as the previous one, allow the call otherwise log an error.
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if (depthAccess.textureHandle.handle.Equals(resource.handle) || !depthAccess.textureHandle.IsValid())
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{
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depthAccess = new TextureAccess(resource, accessFlags, mipLevel, depthSlice);
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}
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#if DEVELOPMENT_BUILD || UNITY_EDITOR
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else
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{
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throw new InvalidOperationException("You can only set a single depth texture per pass.");
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}
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#endif
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}
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// Here we want to keep computation to a minimum and only hash what will influence NRP compiler: Pass merging, load/store actions etc.
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void ComputeTextureHash(ref HashFNV1A32 generator, in ResourceHandle handle, RenderGraphResourceRegistry resources)
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{
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if (handle.index == 0)
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return;
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if (resources.IsRenderGraphResourceImported(handle))
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{
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var res = resources.GetTextureResource(handle);
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if (res.graphicsResource.externalTexture != null) // External texture
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{
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var externalTexture = res.graphicsResource.externalTexture;
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generator.Append((int) externalTexture.graphicsFormat);
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generator.Append((int) externalTexture.dimension);
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generator.Append(externalTexture.width);
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generator.Append(externalTexture.height);
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if (externalTexture is RenderTexture externalRT)
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generator.Append(externalRT.antiAliasing);
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}
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else if (res.graphicsResource.rt != null) // Regular RTHandle
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{
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var rt = res.graphicsResource.rt;
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generator.Append((int) rt.graphicsFormat);
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generator.Append((int) rt.dimension);
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generator.Append(rt.antiAliasing);
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if (res.graphicsResource.useScaling)
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if (res.graphicsResource.scaleFunc != null)
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generator.Append(res.graphicsResource.scaleFunc);
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else
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generator.Append(res.graphicsResource.scaleFactor);
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else
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{
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generator.Append(rt.width);
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generator.Append(rt.height);
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}
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}
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else if (res.graphicsResource.nameID != default) // External RTI
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{
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// The only info we have is from the provided desc upon importing.
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ref var desc = ref res.desc;
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generator.Append((int) desc.format);
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generator.Append((int) desc.dimension);
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generator.Append((int) desc.msaaSamples);
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generator.Append(desc.width);
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generator.Append(desc.height);
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}
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// Add the clear/discard buffer flags to the hash (used in all the cases above)
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generator.Append(res.desc.clearBuffer);
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generator.Append(res.desc.discardBuffer);
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}
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else
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{
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var desc = resources.GetTextureResourceDesc(handle);
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generator.Append((int) desc.format);
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generator.Append((int) desc.dimension);
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generator.Append((int) desc.msaaSamples);
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generator.Append(desc.clearBuffer);
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generator.Append(desc.discardBuffer);
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switch (desc.sizeMode)
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{
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case TextureSizeMode.Explicit:
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generator.Append(desc.width);
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generator.Append(desc.height);
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break;
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case TextureSizeMode.Scale:
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generator.Append(desc.scale);
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break;
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case TextureSizeMode.Functor:
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generator.Append(desc.func);
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break;
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}
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}
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}
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// This function is performance sensitive.
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// Avoid mass function calls to get the hashCode and compute locally instead.
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public void ComputeHash(ref HashFNV1A32 generator, RenderGraphResourceRegistry resources)
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{
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generator.Append((int) type);
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generator.Append(enableAsyncCompute);
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generator.Append(allowPassCulling);
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generator.Append(allowGlobalState);
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generator.Append(enableFoveatedRasterization);
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var depthHandle = depthAccess.textureHandle.handle;
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if (depthHandle.IsValid())
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{
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ComputeTextureHash(ref generator, depthHandle, resources);
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ComputeHashForTextureAccess(ref generator, depthHandle, depthAccess);
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}
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for (int i = 0; i < colorBufferMaxIndex + 1; ++i)
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{
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var colorBufferAccessElement = colorBufferAccess[i];
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var handle = colorBufferAccessElement.textureHandle.handle;
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if (!handle.IsValid())
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continue;
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ComputeTextureHash(ref generator, handle, resources);
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ComputeHashForTextureAccess(ref generator, handle, colorBufferAccessElement);
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}
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generator.Append(colorBufferMaxIndex);
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for (int i = 0; i < fragmentInputMaxIndex + 1; ++i)
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{
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var fragmentInputAccessElement = fragmentInputAccess[i];
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var handle = fragmentInputAccessElement.textureHandle.handle;
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if (!handle.IsValid())
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continue;
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ComputeTextureHash(ref generator, handle, resources);
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ComputeHashForTextureAccess(ref generator, handle, fragmentInputAccessElement);
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}
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for (int i = 0; i < randomAccessResourceMaxIndex + 1; ++i)
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{
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var rar = randomAccessResource[i];
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if (!rar.h.IsValid())
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continue;
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generator.Append(rar.h.index);
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generator.Append(rar.preserveCounterValue);
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}
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generator.Append(randomAccessResourceMaxIndex);
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generator.Append(fragmentInputMaxIndex);
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generator.Append(generateDebugData);
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generator.Append(allowRendererListCulling);
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for (int resType = 0; resType < (int)RenderGraphResourceType.Count; resType++)
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{
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var resourceReads = resourceReadLists[resType];
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for (int i = 0; i < resourceReads.Count; ++i)
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generator.Append(resourceReads[i].index);
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var resourceWrites = resourceWriteLists[resType];
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for (int i = 0; i < resourceWrites.Count; ++i)
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generator.Append(resourceWrites[i].index);
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var resourceTransient = transientResourceList[resType];
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for (int i = 0; i < resourceTransient.Count; ++i)
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generator.Append(resourceTransient[i].index);
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}
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for (int i = 0; i < usedRendererListList.Count; ++i)
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generator.Append(usedRendererListList[i].handle);
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for (int i = 0; i < setGlobalsList.Count; ++i)
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{
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var global = setGlobalsList[i];
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generator.Append(global.Item1.handle.index);
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generator.Append(global.Item2);
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}
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generator.Append(useAllGlobalTextures);
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for (int i = 0; i < implicitReadsList.Count; ++i)
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generator.Append(implicitReadsList[i].index);
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generator.Append(GetRenderFuncHash());
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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static void ComputeHashForTextureAccess(ref HashFNV1A32 generator, in ResourceHandle handle, in TextureAccess textureAccess)
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{
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generator.Append(handle.index);
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generator.Append((int) textureAccess.flags);
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generator.Append(textureAccess.mipLevel);
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generator.Append(textureAccess.depthSlice);
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}
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}
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// This used to have an extra generic argument 'RenderGraphContext' abstracting the context and avoiding
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// the RenderGraphPass/ComputeRenderGraphPass/RasterRenderGraphPass/UnsafeRenderGraphPass classes below
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// but this confuses IL2CPP and causes garbage when boxing the context created (even though they are structs)
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[DebuggerDisplay("RenderPass: {name} (Index:{index} Async:{enableAsyncCompute})")]
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internal abstract class BaseRenderGraphPass<PassData, TRenderGraphContext> : RenderGraphPass
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where PassData : class, new()
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{
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internal PassData data;
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internal BaseRenderFunc<PassData, TRenderGraphContext> renderFunc;
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|
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void Initialize(int passIndex, PassData passData, string passName, RenderGraphPassType passType, ProfilingSampler sampler)
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{
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Clear();
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index = passIndex;
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data = passData;
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name = passName;
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type = passType;
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customSampler = sampler;
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}
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|
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public override void Release(RenderGraphObjectPool pool)
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{
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pool.Release(data);
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data = null;
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renderFunc = null;
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}
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|
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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|
public override bool HasRenderFunc()
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|
{
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|
return renderFunc != null;
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|
}
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|
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|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
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|
public override int GetRenderFuncHash()
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|
{
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|
return renderFunc != null ? HashFNV1A32.GetFuncHashCode(renderFunc) : 0;
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|
}
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|
}
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|
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|
[DebuggerDisplay("RenderPass: {name} (Index:{index} Async:{enableAsyncCompute})")]
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|
internal sealed class RenderGraphPass<PassData> : BaseRenderGraphPass<PassData, RenderGraphContext>
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|
where PassData : class, new()
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|
{
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|
internal static RenderGraphContext c = new RenderGraphContext();
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|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
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|
public override void Execute(InternalRenderGraphContext renderGraphContext)
|
|
{
|
|
c.FromInternalContext(renderGraphContext);
|
|
renderFunc(data, c);
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|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
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|
public override void Release(RenderGraphObjectPool pool)
|
|
{
|
|
base.Release(pool);
|
|
|
|
// We need to do the release from here because we need the final type.
|
|
pool.Release(this);
|
|
}
|
|
}
|
|
|
|
[DebuggerDisplay("RenderPass: {name} (Index:{index} Async:{enableAsyncCompute})")]
|
|
internal sealed class ComputeRenderGraphPass<PassData> : BaseRenderGraphPass<PassData, ComputeGraphContext>
|
|
where PassData : class, new()
|
|
{
|
|
internal static ComputeGraphContext c = new ComputeGraphContext();
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public override void Execute(InternalRenderGraphContext renderGraphContext)
|
|
{
|
|
c.FromInternalContext(renderGraphContext);
|
|
renderFunc(data, c);
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public override void Release(RenderGraphObjectPool pool)
|
|
{
|
|
base.Release(pool);
|
|
|
|
// We need to do the release from here because we need the final type.
|
|
pool.Release(this);
|
|
}
|
|
}
|
|
|
|
[DebuggerDisplay("RenderPass: {name} (Index:{index} Async:{enableAsyncCompute})")]
|
|
internal sealed class RasterRenderGraphPass<PassData> : BaseRenderGraphPass<PassData, RasterGraphContext>
|
|
where PassData : class, new()
|
|
{
|
|
internal static RasterGraphContext c = new RasterGraphContext();
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public override void Execute(InternalRenderGraphContext renderGraphContext)
|
|
{
|
|
c.FromInternalContext(renderGraphContext);
|
|
renderFunc(data, c);
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public override void Release(RenderGraphObjectPool pool)
|
|
{
|
|
base.Release(pool);
|
|
|
|
// We need to do the release from here because we need the final type.
|
|
pool.Release(this);
|
|
}
|
|
}
|
|
|
|
[DebuggerDisplay("RenderPass: {name} (Index:{index} Async:{enableAsyncCompute})")]
|
|
internal sealed class UnsafeRenderGraphPass<PassData> : BaseRenderGraphPass<PassData, UnsafeGraphContext>
|
|
where PassData : class, new()
|
|
{
|
|
internal static UnsafeGraphContext c = new UnsafeGraphContext();
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public override void Execute(InternalRenderGraphContext renderGraphContext)
|
|
{
|
|
c.FromInternalContext(renderGraphContext);
|
|
renderFunc(data, c);
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public override void Release(RenderGraphObjectPool pool)
|
|
{
|
|
base.Release(pool);
|
|
|
|
// We need to do the release from here because we need the final type.
|
|
pool.Release(this);
|
|
}
|
|
}
|
|
}
|