Initial work
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219
Ryujinx.Graphics.Gpu/Image/TexturePool.cs
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219
Ryujinx.Graphics.Gpu/Image/TexturePool.cs
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using Ryujinx.Graphics.GAL;
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using Ryujinx.Graphics.GAL.Texture;
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using Ryujinx.Graphics.Gpu.Memory;
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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namespace Ryujinx.Graphics.Gpu.Image
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{
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class TexturePool : Pool<Texture>
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{
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private TextureManager _textureManager;
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public LinkedListNode<TexturePool> CacheNode { get; set; }
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private struct TextureContainer
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{
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public Texture Texture0 { get; set; }
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public Texture Texture1 { get; set; }
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}
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public TexturePool(
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GpuContext context,
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TextureManager textureManager,
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ulong address,
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int maximumId) : base(context, address, maximumId)
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{
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_textureManager = textureManager;
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}
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public override Texture Get(int id)
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{
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if ((uint)id >= Items.Length)
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{
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return null;
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}
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SynchronizeMemory();
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Texture texture = Items[id];
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if (texture == null)
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{
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ulong address = Address + (ulong)(uint)id * DescriptorSize;
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Span<byte> data = Context.PhysicalMemory.Read(address, DescriptorSize);
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TextureDescriptor descriptor = MemoryMarshal.Cast<byte, TextureDescriptor>(data)[0];
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TextureInfo info = GetInfo(descriptor);
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// Bad address. We can't add a texture with a invalid address
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// to the cache.
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if (info.Address == MemoryManager.BadAddress)
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{
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return null;
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}
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texture = _textureManager.FindOrCreateTexture(info, TextureSearchFlags.Sampler);
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texture.IncrementReferenceCount();
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Items[id] = texture;
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}
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else
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{
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// Memory is automatically synchronized on texture creation.
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texture.SynchronizeMemory();
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}
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return texture;
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}
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protected override void InvalidateRangeImpl(ulong address, ulong size)
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{
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ulong endAddress = address + size;
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for (; address < endAddress; address += DescriptorSize)
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{
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int id = (int)((address - Address) / DescriptorSize);
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Texture texture = Items[id];
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if (texture != null)
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{
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Span<byte> data = Context.PhysicalMemory.Read(address, DescriptorSize);
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TextureDescriptor descriptor = MemoryMarshal.Cast<byte, TextureDescriptor>(data)[0];
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// If the descriptors are the same, the texture is the same,
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// we don't need to remove as it was not modified. Just continue.
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if (texture.IsPerfectMatch(GetInfo(descriptor), TextureSearchFlags.Strict))
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{
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continue;
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}
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texture.DecrementReferenceCount();
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Items[id] = null;
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}
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}
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}
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private TextureInfo GetInfo(TextureDescriptor descriptor)
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{
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ulong address = Context.MemoryManager.Translate(descriptor.UnpackAddress());
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int width = descriptor.UnpackWidth();
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int height = descriptor.UnpackHeight();
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int depthOrLayers = descriptor.UnpackDepth();
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int levels = descriptor.UnpackLevels();
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TextureMsaaMode msaaMode = descriptor.UnpackTextureMsaaMode();
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int samplesInX = msaaMode.SamplesInX();
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int samplesInY = msaaMode.SamplesInY();
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int stride = descriptor.UnpackStride();
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TextureDescriptorType descriptorType = descriptor.UnpackTextureDescriptorType();
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bool isLinear = descriptorType == TextureDescriptorType.Linear;
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Target target = descriptor.UnpackTextureTarget().Convert((samplesInX | samplesInY) != 1);
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uint format = descriptor.UnpackFormat();
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bool srgb = descriptor.UnpackSrgb();
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if (!FormatTable.TryGetTextureFormat(format, srgb, out FormatInfo formatInfo))
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{
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// TODO: Warning.
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formatInfo = FormatInfo.Default;
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}
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int gobBlocksInY = descriptor.UnpackGobBlocksInY();
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int gobBlocksInZ = descriptor.UnpackGobBlocksInZ();
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int gobBlocksInTileX = descriptor.UnpackGobBlocksInTileX();
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SwizzleComponent swizzleR = descriptor.UnpackSwizzleR().Convert();
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SwizzleComponent swizzleG = descriptor.UnpackSwizzleG().Convert();
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SwizzleComponent swizzleB = descriptor.UnpackSwizzleB().Convert();
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SwizzleComponent swizzleA = descriptor.UnpackSwizzleA().Convert();
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DepthStencilMode depthStencilMode = GetDepthStencilMode(
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formatInfo.Format,
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swizzleR,
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swizzleG,
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swizzleB,
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swizzleA);
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return new TextureInfo(
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address,
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width,
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height,
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depthOrLayers,
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levels,
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samplesInX,
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samplesInY,
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stride,
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isLinear,
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gobBlocksInY,
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gobBlocksInZ,
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gobBlocksInTileX,
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target,
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formatInfo,
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depthStencilMode,
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swizzleR,
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swizzleG,
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swizzleB,
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swizzleA);
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}
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private static DepthStencilMode GetDepthStencilMode(Format format, params SwizzleComponent[] components)
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{
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// R = Depth, G = Stencil.
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// On 24-bits depth formats, this is inverted (Stencil is R etc).
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// NVN setup:
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// For depth, A is set to 1.0f, the other components are set to Depth.
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// For stencil, all components are set to Stencil.
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SwizzleComponent component = components[0];
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for (int index = 1; index < 4 && !IsRG(component); index++)
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{
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component = components[index];
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}
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if (!IsRG(component))
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{
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return DepthStencilMode.Depth;
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}
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if (format == Format.D24X8Unorm || format == Format.D24UnormS8Uint)
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{
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return component == SwizzleComponent.Red
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? DepthStencilMode.Stencil
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: DepthStencilMode.Depth;
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}
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else
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{
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return component == SwizzleComponent.Red
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? DepthStencilMode.Depth
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: DepthStencilMode.Stencil;
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}
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}
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private static bool IsRG(SwizzleComponent component)
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{
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return component == SwizzleComponent.Red ||
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component == SwizzleComponent.Green;
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}
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protected override void Delete(Texture item)
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{
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item?.DecrementReferenceCount();
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}
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}
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}
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