2023-05-21 17:04:21 +00:00
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using Ryujinx.Graphics.GAL;
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using System;
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using System.Collections.Generic;
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namespace Ryujinx.Graphics.Vulkan
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{
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class ResourceLayoutBuilder
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{
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private const int TotalSets = PipelineBase.DescriptorSetLayouts;
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private readonly List<ResourceDescriptor>[] _resourceDescriptors;
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private readonly List<ResourceUsage>[] _resourceUsages;
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public ResourceLayoutBuilder()
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{
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_resourceDescriptors = new List<ResourceDescriptor>[TotalSets];
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_resourceUsages = new List<ResourceUsage>[TotalSets];
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for (int index = 0; index < TotalSets; index++)
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{
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_resourceDescriptors[index] = new();
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_resourceUsages[index] = new();
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}
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}
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public ResourceLayoutBuilder Add(ResourceStages stages, ResourceType type, int binding)
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{
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int setIndex = type switch
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{
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ResourceType.UniformBuffer => PipelineBase.UniformSetIndex,
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ResourceType.StorageBuffer => PipelineBase.StorageSetIndex,
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ResourceType.TextureAndSampler or ResourceType.BufferTexture => PipelineBase.TextureSetIndex,
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ResourceType.Image or ResourceType.BufferImage => PipelineBase.ImageSetIndex,
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2023-07-01 10:31:42 +00:00
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_ => throw new ArgumentException($"Invalid resource type \"{type}\"."),
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2023-05-21 17:04:21 +00:00
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};
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ResourceAccess access = IsReadOnlyType(type) ? ResourceAccess.Read : ResourceAccess.ReadWrite;
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_resourceDescriptors[setIndex].Add(new ResourceDescriptor(binding, 1, type, stages));
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_resourceUsages[setIndex].Add(new ResourceUsage(binding, type, stages, access));
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return this;
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}
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private static bool IsReadOnlyType(ResourceType type)
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{
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return type == ResourceType.UniformBuffer ||
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type == ResourceType.Sampler ||
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type == ResourceType.TextureAndSampler ||
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type == ResourceType.BufferTexture;
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}
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public ResourceLayout Build()
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{
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var descriptors = new ResourceDescriptorCollection[TotalSets];
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var usages = new ResourceUsageCollection[TotalSets];
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for (int index = 0; index < TotalSets; index++)
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{
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descriptors[index] = new ResourceDescriptorCollection(_resourceDescriptors[index].ToArray().AsReadOnly());
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usages[index] = new ResourceUsageCollection(_resourceUsages[index].ToArray().AsReadOnly());
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}
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return new ResourceLayout(descriptors.AsReadOnly(), usages.AsReadOnly());
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}
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}
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2023-07-01 10:31:42 +00:00
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}
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