Move solution and projects to src

1 files changed, 0 insertions, 882 deletions

diff --git a/Ryujinx.Graphics.Gpu/Image/TextureBindingsManager.cs b/Ryujinx.Graphics.Gpu/Image/TextureBindingsManager.cs
deleted file mode 100644
index bbfb704d..00000000
--- a/Ryujinx.Graphics.Gpu/Image/TextureBindingsManager.cs
+++ /dev/null
@@ -1,882 +0,0 @@
-using Ryujinx.Common.Logging;
-using Ryujinx.Graphics.GAL;
-using Ryujinx.Graphics.Gpu.Engine.Types;
-using Ryujinx.Graphics.Gpu.Memory;
-using Ryujinx.Graphics.Gpu.Shader;
-using Ryujinx.Graphics.Shader;
-using System;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-
-namespace Ryujinx.Graphics.Gpu.Image
-{
-    /// <summary>
-    /// Texture bindings manager.
-    /// </summary>
-    class TextureBindingsManager
-    {
-        private const int InitialTextureStateSize = 32;
-        private const int InitialImageStateSize = 8;
-
-        private readonly GpuContext _context;
-
-        private readonly bool _isCompute;
-
-        private ulong _texturePoolGpuVa;
-        private int _texturePoolMaximumId;
-        private TexturePool _texturePool;
-        private ulong _samplerPoolGpuVa;
-        private int _samplerPoolMaximumId;
-        private SamplerIndex _samplerIndex;
-        private SamplerPool _samplerPool;
-
-        private readonly GpuChannel _channel;
-        private readonly TexturePoolCache _texturePoolCache;
-        private readonly SamplerPoolCache _samplerPoolCache;
-
-        private TexturePool _cachedTexturePool;
-        private SamplerPool _cachedSamplerPool;
-
-        private TextureBindingInfo[][] _textureBindings;
-        private TextureBindingInfo[][] _imageBindings;
-
-        private struct TextureState
-        {
-            public ITexture Texture;
-            public ISampler Sampler;
-
-            public int TextureHandle;
-            public int SamplerHandle;
-            public Format ImageFormat;
-            public int InvalidatedSequence;
-            public Texture CachedTexture;
-            public Sampler CachedSampler;
-        }
-
-        private TextureState[] _textureState;
-        private TextureState[] _imageState;
-
-        private int _texturePoolSequence;
-        private int _samplerPoolSequence;
-
-        private int _textureBufferIndex;
-
-        private readonly float[] _scales;
-        private bool _scaleChanged;
-        private int _lastFragmentTotal;
-
-        /// <summary>
-        /// Constructs a new instance of the texture bindings manager.
-        /// </summary>
-        /// <param name="context">The GPU context that the texture bindings manager belongs to</param>
-        /// <param name="channel">The GPU channel that the texture bindings manager belongs to</param>
-        /// <param name="texturePoolCache">Texture pools cache used to get texture pools from</param>
-        /// <param name="samplerPoolCache">Sampler pools cache used to get sampler pools from</param>
-        /// <param name="scales">Array where the scales for the currently bound textures are stored</param>
-        /// <param name="isCompute">True if the bindings manager is used for the compute engine</param>
-        public TextureBindingsManager(
-            GpuContext context,
-            GpuChannel channel,
-            TexturePoolCache texturePoolCache,
-            SamplerPoolCache samplerPoolCache,
-            float[] scales,
-            bool isCompute)
-        {
-            _context = context;
-            _channel = channel;
-            _texturePoolCache = texturePoolCache;
-            _samplerPoolCache = samplerPoolCache;
-
-            _scales = scales;
-            _isCompute = isCompute;
-
-            int stages = isCompute ? 1 : Constants.ShaderStages;
-
-            _textureBindings = new TextureBindingInfo[stages][];
-            _imageBindings   = new TextureBindingInfo[stages][];
-
-            _textureState = new TextureState[InitialTextureStateSize];
-            _imageState   = new TextureState[InitialImageStateSize];
-
-            for (int stage = 0; stage < stages; stage++)
-            {
-                _textureBindings[stage] = new TextureBindingInfo[InitialTextureStateSize];
-                _imageBindings[stage] = new TextureBindingInfo[InitialImageStateSize];
-            }
-        }
-
-        /// <summary>
-        /// Sets the texture and image bindings.
-        /// </summary>
-        /// <param name="bindings">Bindings for the active shader</param>
-        public void SetBindings(CachedShaderBindings bindings)
-        {
-            _textureBindings = bindings.TextureBindings;
-            _imageBindings = bindings.ImageBindings;
-
-            SetMaxBindings(bindings.MaxTextureBinding, bindings.MaxImageBinding);
-        }
-
-        /// <summary>
-        /// Sets the max binding indexes for textures and images.
-        /// </summary>
-        /// <param name="maxTextureBinding">The maximum texture binding</param>
-        /// <param name="maxImageBinding">The maximum image binding</param>
-        public void SetMaxBindings(int maxTextureBinding, int maxImageBinding)
-        {
-            if (maxTextureBinding >= _textureState.Length)
-            {
-                Array.Resize(ref _textureState, maxTextureBinding + 1);
-            }
-
-            if (maxImageBinding >= _imageState.Length)
-            {
-                Array.Resize(ref _imageState, maxImageBinding + 1);
-            }
-        }
-
-        /// <summary>
-        /// Sets the textures constant buffer index.
-        /// The constant buffer specified holds the texture handles.
-        /// </summary>
-        /// <param name="index">Constant buffer index</param>
-        public void SetTextureBufferIndex(int index)
-        {
-            _textureBufferIndex = index;
-        }
-
-        /// <summary>
-        /// Sets the current texture sampler pool to be used.
-        /// </summary>
-        /// <param name="gpuVa">Start GPU virtual address of the pool</param>
-        /// <param name="maximumId">Maximum ID of the pool (total count minus one)</param>
-        /// <param name="samplerIndex">Type of the sampler pool indexing used for bound samplers</param>
-        public void SetSamplerPool(ulong gpuVa, int maximumId, SamplerIndex samplerIndex)
-        {
-            _samplerPoolGpuVa = gpuVa;
-            _samplerPoolMaximumId = maximumId;
-            _samplerIndex = samplerIndex;
-            _samplerPool = null;
-        }
-
-        /// <summary>
-        /// Sets the current texture pool to be used.
-        /// </summary>
-        /// <param name="gpuVa">Start GPU virtual address of the pool</param>
-        /// <param name="maximumId">Maximum ID of the pool (total count minus one)</param>
-        public void SetTexturePool(ulong gpuVa, int maximumId)
-        {
-            _texturePoolGpuVa = gpuVa;
-            _texturePoolMaximumId = maximumId;
-            _texturePool = null;
-        }
-
-        /// <summary>
-        /// Gets a texture and a sampler from their respective pools from a texture ID and a sampler ID.
-        /// </summary>
-        /// <param name="textureId">ID of the texture</param>
-        /// <param name="samplerId">ID of the sampler</param>
-        public (Texture, Sampler) GetTextureAndSampler(int textureId, int samplerId)
-        {
-            (TexturePool texturePool, SamplerPool samplerPool) = GetPools();
-
-            return (texturePool.Get(textureId), samplerPool.Get(samplerId));
-        }
-
-        /// <summary>
-        /// Updates the texture scale for a given texture or image.
-        /// </summary>
-        /// <param name="texture">Start GPU virtual address of the pool</param>
-        /// <param name="usageFlags">The related texture usage flags</param>
-        /// <param name="index">The texture/image binding index</param>
-        /// <param name="stage">The active shader stage</param>
-        /// <returns>True if the given texture has become blacklisted, indicating that its host texture may have changed.</returns>
-        private bool UpdateScale(Texture texture, TextureUsageFlags usageFlags, int index, ShaderStage stage)
-        {
-            float result = 1f;
-            bool changed = false;
-
-            if ((usageFlags & TextureUsageFlags.NeedsScaleValue) != 0 && texture != null)
-            {
-                if ((usageFlags & TextureUsageFlags.ResScaleUnsupported) != 0)
-                {
-                    changed = texture.ScaleMode != TextureScaleMode.Blacklisted;
-                    texture.BlacklistScale();
-                }
-                else
-                {
-                    switch (stage)
-                    {
-                        case ShaderStage.Fragment:
-                            float scale = texture.ScaleFactor;
-
-                            if (scale != 1)
-                            {
-                                Texture activeTarget = _channel.TextureManager.GetAnyRenderTarget();
-
-                                if (activeTarget != null && (activeTarget.Info.Width / (float)texture.Info.Width) == (activeTarget.Info.Height / (float)texture.Info.Height))
-                                {
-                                    // If the texture's size is a multiple of the sampler size, enable interpolation using gl_FragCoord. (helps "invent" new integer values between scaled pixels)
-                                    result = -scale;
-                                    break;
-                                }
-                            }
-
-                            result = scale;
-                            break;
-
-                        case ShaderStage.Vertex:
-                            int fragmentIndex = (int)ShaderStage.Fragment - 1;
-                            index += _textureBindings[fragmentIndex].Length + _imageBindings[fragmentIndex].Length;
-
-                            result = texture.ScaleFactor;
-                            break;
-
-                        case ShaderStage.Compute:
-                            result = texture.ScaleFactor;
-                            break;
-                    }
-                }
-            }
-
-            if (result != _scales[index])
-            {
-                _scaleChanged = true;
-
-                _scales[index] = result;
-            }
-
-            return changed;
-        }
-
-        /// <summary>
-        /// Determines if the vertex stage requires a scale value.
-        /// </summary>
-        private bool VertexRequiresScale()
-        {
-            for (int i = 0; i < _textureBindings[0].Length; i++)
-            {
-                if ((_textureBindings[0][i].Flags & TextureUsageFlags.NeedsScaleValue) != 0)
-                {
-                    return true;
-                }
-            }
-
-            for (int i = 0; i < _imageBindings[0].Length; i++)
-            {
-                if ((_imageBindings[0][i].Flags & TextureUsageFlags.NeedsScaleValue) != 0)
-                {
-                    return true;
-                }
-            }
-
-            return false;
-        }
-
-        /// <summary>
-        /// Uploads texture and image scales to the backend when they are used.
-        /// </summary>
-        private void CommitRenderScale()
-        {
-            // Stage 0 total: Compute or Vertex.
-            int total = _textureBindings[0].Length + _imageBindings[0].Length;
-
-            int fragmentIndex = (int)ShaderStage.Fragment - 1;
-            int fragmentTotal = _isCompute ? 0 : (_textureBindings[fragmentIndex].Length + _imageBindings[fragmentIndex].Length);
-
-            if (total != 0 && fragmentTotal != _lastFragmentTotal && VertexRequiresScale())
-            {
-                // Must update scales in the support buffer if:
-                // - Vertex stage has bindings that require scale.
-                // - Fragment stage binding count has been updated since last render scale update.
-
-                _scaleChanged = true;
-            }
-
-            if (_scaleChanged)
-            {
-                if (!_isCompute)
-                {
-                    total += fragmentTotal; // Add the fragment bindings to the total.
-                }
-
-                _lastFragmentTotal = fragmentTotal;
-
-                _context.Renderer.Pipeline.UpdateRenderScale(_scales, total, fragmentTotal);
-
-                _scaleChanged = false;
-            }
-        }
-
-        /// <summary>
-        /// Ensures that the bindings are visible to the host GPU.
-        /// Note: this actually performs the binding using the host graphics API.
-        /// </summary>
-        /// <param name="specState">Specialization state for the bound shader</param>
-        /// <returns>True if all bound textures match the current shader specialiation state, false otherwise</returns>
-        public bool CommitBindings(ShaderSpecializationState specState)
-        {
-            (TexturePool texturePool, SamplerPool samplerPool) = GetPools();
-
-            // Check if the texture pool has been modified since bindings were last committed.
-            // If it wasn't, then it's possible to avoid looking up textures again when the handle remains the same.
-            if (_cachedTexturePool != texturePool || _cachedSamplerPool != samplerPool)
-            {
-                Rebind();
-
-                _cachedTexturePool = texturePool;
-                _cachedSamplerPool = samplerPool;
-            }
-
-            bool poolModified = false;
-
-            if (texturePool != null)
-            {
-                int texturePoolSequence = texturePool.CheckModified();
-
-                if (_texturePoolSequence != texturePoolSequence)
-                {
-                    poolModified = true;
-                    _texturePoolSequence = texturePoolSequence;
-                }
-            }
-
-            if (samplerPool != null)
-            {
-                int samplerPoolSequence = samplerPool.CheckModified();
-
-                if (_samplerPoolSequence != samplerPoolSequence)
-                {
-                    poolModified = true;
-                    _samplerPoolSequence = samplerPoolSequence;
-                }
-            }
-
-            bool specStateMatches = true;
-
-            if (_isCompute)
-            {
-                specStateMatches &= CommitTextureBindings(texturePool, samplerPool, ShaderStage.Compute, 0, poolModified, specState);
-                specStateMatches &= CommitImageBindings(texturePool, ShaderStage.Compute, 0, poolModified, specState);
-            }
-            else
-            {
-                for (ShaderStage stage = ShaderStage.Vertex; stage <= ShaderStage.Fragment; stage++)
-                {
-                    int stageIndex = (int)stage - 1;
-
-                    specStateMatches &= CommitTextureBindings(texturePool, samplerPool, stage, stageIndex, poolModified, specState);
-                    specStateMatches &= CommitImageBindings(texturePool, stage, stageIndex, poolModified, specState);
-                }
-            }
-
-            CommitRenderScale();
-
-            return specStateMatches;
-        }
-
-        /// <summary>
-        /// Fetch the constant buffers used for a texture to cache.
-        /// </summary>
-        /// <param name="stageIndex">Stage index of the constant buffer</param>
-        /// <param name="cachedTextureBufferIndex">The currently cached texture buffer index</param>
-        /// <param name="cachedSamplerBufferIndex">The currently cached sampler buffer index</param>
-        /// <param name="cachedTextureBuffer">The currently cached texture buffer data</param>
-        /// <param name="cachedSamplerBuffer">The currently cached sampler buffer data</param>
-        /// <param name="textureBufferIndex">The new texture buffer index</param>
-        /// <param name="samplerBufferIndex">The new sampler buffer index</param>
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private void UpdateCachedBuffer(
-            int stageIndex,
-            scoped ref int cachedTextureBufferIndex,
-            scoped ref int cachedSamplerBufferIndex,
-            scoped ref ReadOnlySpan<int> cachedTextureBuffer,
-            scoped ref ReadOnlySpan<int> cachedSamplerBuffer,
-            int textureBufferIndex,
-            int samplerBufferIndex)
-        {
-            if (textureBufferIndex != cachedTextureBufferIndex)
-            {
-                ref BufferBounds bounds = ref _channel.BufferManager.GetUniformBufferBounds(_isCompute, stageIndex, textureBufferIndex);
-
-                cachedTextureBuffer = MemoryMarshal.Cast<byte, int>(_channel.MemoryManager.Physical.GetSpan(bounds.Address, (int)bounds.Size));
-                cachedTextureBufferIndex = textureBufferIndex;
-
-                if (samplerBufferIndex == textureBufferIndex)
-                {
-                    cachedSamplerBuffer = cachedTextureBuffer;
-                    cachedSamplerBufferIndex = samplerBufferIndex;
-                }
-            }
-
-            if (samplerBufferIndex != cachedSamplerBufferIndex)
-            {
-                ref BufferBounds bounds = ref _channel.BufferManager.GetUniformBufferBounds(_isCompute, stageIndex, samplerBufferIndex);
-
-                cachedSamplerBuffer = MemoryMarshal.Cast<byte, int>(_channel.MemoryManager.Physical.GetSpan(bounds.Address, (int)bounds.Size));
-                cachedSamplerBufferIndex = samplerBufferIndex;
-            }
-        }
-
-        /// <summary>
-        /// Counts the total number of texture bindings used by all shader stages.
-        /// </summary>
-        /// <returns>The total amount of textures used</returns>
-        private int GetTextureBindingsCount()
-        {
-            int count = 0;
-
-            for (int i = 0; i < _textureBindings.Length; i++)
-            {
-                if (_textureBindings[i] != null)
-                {
-                    count += _textureBindings[i].Length;
-                }
-            }
-
-            return count;
-        }
-
-        /// <summary>
-        /// Ensures that the texture bindings are visible to the host GPU.
-        /// Note: this actually performs the binding using the host graphics API.
-        /// </summary>
-        /// <param name="texturePool">The current texture pool</param>
-        /// <param name="samplerPool">The current sampler pool</param>
-        /// <param name="stage">The shader stage using the textures to be bound</param>
-        /// <param name="stageIndex">The stage number of the specified shader stage</param
-        /// <param name="poolModified">True if either the texture or sampler pool was modified, false otherwise</param>
-        /// <param name="specState">Specialization state for the bound shader</param>
-        /// <returns>True if all bound textures match the current shader specialiation state, false otherwise</returns>
-        private bool CommitTextureBindings(
-            TexturePool texturePool,
-            SamplerPool samplerPool,
-            ShaderStage stage,
-            int stageIndex,
-            bool poolModified,
-            ShaderSpecializationState specState)
-        {
-            int textureCount = _textureBindings[stageIndex].Length;
-            if (textureCount == 0)
-            {
-                return true;
-            }
-
-            if (texturePool == null)
-            {
-                Logger.Error?.Print(LogClass.Gpu, $"Shader stage \"{stage}\" uses textures, but texture pool was not set.");
-                return true;
-            }
-
-            bool specStateMatches = true;
-
-            int cachedTextureBufferIndex = -1;
-            int cachedSamplerBufferIndex = -1;
-            ReadOnlySpan<int> cachedTextureBuffer = Span<int>.Empty;
-            ReadOnlySpan<int> cachedSamplerBuffer = Span<int>.Empty;
-
-            for (int index = 0; index < textureCount; index++)
-            {
-                TextureBindingInfo bindingInfo = _textureBindings[stageIndex][index];
-                TextureUsageFlags usageFlags = bindingInfo.Flags;
-
-                (int textureBufferIndex, int samplerBufferIndex) = TextureHandle.UnpackSlots(bindingInfo.CbufSlot, _textureBufferIndex);
-
-                UpdateCachedBuffer(stageIndex, ref cachedTextureBufferIndex, ref cachedSamplerBufferIndex, ref cachedTextureBuffer, ref cachedSamplerBuffer, textureBufferIndex, samplerBufferIndex);
-
-                int packedId = TextureHandle.ReadPackedId(bindingInfo.Handle, cachedTextureBuffer, cachedSamplerBuffer);
-                int textureId = TextureHandle.UnpackTextureId(packedId);
-                int samplerId;
-
-                if (_samplerIndex == SamplerIndex.ViaHeaderIndex)
-                {
-                    samplerId = textureId;
-                }
-                else
-                {
-                    samplerId = TextureHandle.UnpackSamplerId(packedId);
-                }
-
-                ref TextureState state = ref _textureState[bindingInfo.Binding];
-
-                if (!poolModified &&
-                    state.TextureHandle == textureId &&
-                    state.SamplerHandle == samplerId &&
-                    state.CachedTexture != null &&
-                    state.CachedTexture.InvalidatedSequence == state.InvalidatedSequence &&
-                    state.CachedSampler?.IsDisposed != true)
-                {
-                    // The texture is already bound.
-                    state.CachedTexture.SynchronizeMemory();
-
-                    if ((usageFlags & TextureUsageFlags.NeedsScaleValue) != 0 &&
-                        UpdateScale(state.CachedTexture, usageFlags, index, stage))
-                    {
-                        ITexture hostTextureRebind = state.CachedTexture.GetTargetTexture(bindingInfo.Target);
-
-                        state.Texture = hostTextureRebind;
-
-                        _context.Renderer.Pipeline.SetTextureAndSampler(stage, bindingInfo.Binding, hostTextureRebind, state.Sampler);
-                    }
-
-                    continue;
-                }
-
-                state.TextureHandle = textureId;
-                state.SamplerHandle = samplerId;
-
-                ref readonly TextureDescriptor descriptor = ref texturePool.GetForBinding(textureId, out Texture texture);
-
-                specStateMatches &= specState.MatchesTexture(stage, index, descriptor);
-
-                Sampler sampler = samplerPool?.Get(samplerId);
-
-                ITexture hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
-                ISampler hostSampler = sampler?.GetHostSampler(texture);
-
-                if (hostTexture != null && texture.Target == Target.TextureBuffer)
-                {
-                    // Ensure that the buffer texture is using the correct buffer as storage.
-                    // Buffers are frequently re-created to accomodate larger data, so we need to re-bind
-                    // to ensure we're not using a old buffer that was already deleted.
-                    _channel.BufferManager.SetBufferTextureStorage(stage, hostTexture, texture.Range.GetSubRange(0).Address, texture.Size, bindingInfo, bindingInfo.Format, false);
-
-                    // Cache is not used for buffer texture, it must always rebind.
-                    state.CachedTexture = null;
-                }
-                else
-                {
-                    bool textureOrSamplerChanged = state.Texture != hostTexture || state.Sampler != hostSampler;
-
-                    if ((usageFlags & TextureUsageFlags.NeedsScaleValue) != 0 &&
-                        UpdateScale(texture, usageFlags, index, stage))
-                    {
-                        hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
-                        textureOrSamplerChanged = true;
-                    }
-
-                    if (textureOrSamplerChanged)
-                    {
-                        state.Texture = hostTexture;
-                        state.Sampler = hostSampler;
-
-                        _context.Renderer.Pipeline.SetTextureAndSampler(stage, bindingInfo.Binding, hostTexture, hostSampler);
-                    }
-
-                    state.CachedTexture = texture;
-                    state.CachedSampler = sampler;
-                    state.InvalidatedSequence = texture?.InvalidatedSequence ?? 0;
-                }
-            }
-
-            return specStateMatches;
-        }
-
-        /// <summary>
-        /// Ensures that the image bindings are visible to the host GPU.
-        /// Note: this actually performs the binding using the host graphics API.
-        /// </summary>
-        /// <param name="pool">The current texture pool</param>
-        /// <param name="stage">The shader stage using the textures to be bound</param>
-        /// <param name="stageIndex">The stage number of the specified shader stage</param>
-        /// <param name="poolModified">True if either the texture or sampler pool was modified, false otherwise</param>
-        /// <param name="specState">Specialization state for the bound shader</param>
-        /// <returns>True if all bound images match the current shader specialiation state, false otherwise</returns>
-        private bool CommitImageBindings(TexturePool pool, ShaderStage stage, int stageIndex, bool poolModified, ShaderSpecializationState specState)
-        {
-            int imageCount = _imageBindings[stageIndex].Length;
-            if (imageCount == 0)
-            {
-                return true;
-            }
-
-            if (pool == null)
-            {
-                Logger.Error?.Print(LogClass.Gpu, $"Shader stage \"{stage}\" uses images, but texture pool was not set.");
-                return true;
-            }
-
-            // Scales for images appear after the texture ones.
-            int baseScaleIndex = _textureBindings[stageIndex].Length;
-
-            int cachedTextureBufferIndex = -1;
-            int cachedSamplerBufferIndex = -1;
-            ReadOnlySpan<int> cachedTextureBuffer = Span<int>.Empty;
-            ReadOnlySpan<int> cachedSamplerBuffer = Span<int>.Empty;
-
-            bool specStateMatches = true;
-
-            for (int index = 0; index < imageCount; index++)
-            {
-                TextureBindingInfo bindingInfo = _imageBindings[stageIndex][index];
-                TextureUsageFlags usageFlags = bindingInfo.Flags;
-                int scaleIndex = baseScaleIndex + index;
-
-                (int textureBufferIndex, int samplerBufferIndex) = TextureHandle.UnpackSlots(bindingInfo.CbufSlot, _textureBufferIndex);
-
-                UpdateCachedBuffer(stageIndex, ref cachedTextureBufferIndex, ref cachedSamplerBufferIndex, ref cachedTextureBuffer, ref cachedSamplerBuffer, textureBufferIndex, samplerBufferIndex);
-
-                int packedId = TextureHandle.ReadPackedId(bindingInfo.Handle, cachedTextureBuffer, cachedSamplerBuffer);
-                int textureId = TextureHandle.UnpackTextureId(packedId);
-
-                ref TextureState state = ref _imageState[bindingInfo.Binding];
-
-                bool isStore = bindingInfo.Flags.HasFlag(TextureUsageFlags.ImageStore);
-
-                if (!poolModified &&
-                    state.TextureHandle == textureId &&
-                    state.CachedTexture != null &&
-                    state.CachedTexture.InvalidatedSequence == state.InvalidatedSequence)
-                {
-                    Texture cachedTexture = state.CachedTexture;
-
-                    // The texture is already bound.
-                    cachedTexture.SynchronizeMemory();
-
-                    if (isStore)
-                    {
-                        cachedTexture?.SignalModified();
-                    }
-
-                    Format format = bindingInfo.Format == 0 ? cachedTexture.Format : bindingInfo.Format;
-
-                    if (state.ImageFormat != format ||
-                        ((usageFlags & TextureUsageFlags.NeedsScaleValue) != 0 &&
-                        UpdateScale(state.CachedTexture, usageFlags, scaleIndex, stage)))
-                    {
-                        ITexture hostTextureRebind = state.CachedTexture.GetTargetTexture(bindingInfo.Target);
-
-                        state.Texture = hostTextureRebind;
-                        state.ImageFormat = format;
-
-                        _context.Renderer.Pipeline.SetImage(bindingInfo.Binding, hostTextureRebind, format);
-                    }
-
-                    continue;
-                }
-
-                state.TextureHandle = textureId;
-
-                ref readonly TextureDescriptor descriptor = ref pool.GetForBinding(textureId, out Texture texture);
-
-                specStateMatches &= specState.MatchesImage(stage, index, descriptor);
-
-                ITexture hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
-
-                if (hostTexture != null && texture.Target == Target.TextureBuffer)
-                {
-                    // Ensure that the buffer texture is using the correct buffer as storage.
-                    // Buffers are frequently re-created to accomodate larger data, so we need to re-bind
-                    // to ensure we're not using a old buffer that was already deleted.
-
-                    Format format = bindingInfo.Format;
-
-                    if (format == 0 && texture != null)
-                    {
-                        format = texture.Format;
-                    }
-
-                    _channel.BufferManager.SetBufferTextureStorage(stage, hostTexture, texture.Range.GetSubRange(0).Address, texture.Size, bindingInfo, format, true);
-
-                    // Cache is not used for buffer texture, it must always rebind.
-                    state.CachedTexture = null;
-                }
-                else
-                {
-                    if (isStore)
-                    {
-                        texture?.SignalModified();
-                    }
-
-                    if ((usageFlags & TextureUsageFlags.NeedsScaleValue) != 0 &&
-                        UpdateScale(texture, usageFlags, scaleIndex, stage))
-                    {
-                        hostTexture = texture?.GetTargetTexture(bindingInfo.Target);
-                    }
-
-                    if (state.Texture != hostTexture)
-                    {
-                        state.Texture = hostTexture;
-
-                        Format format = bindingInfo.Format;
-
-                        if (format == 0 && texture != null)
-                        {
-                            format = texture.Format;
-                        }
-
-                        state.ImageFormat = format;
-
-                        _context.Renderer.Pipeline.SetImage(bindingInfo.Binding, hostTexture, format);
-                    }
-
-                    state.CachedTexture = texture;
-                    state.InvalidatedSequence = texture?.InvalidatedSequence ?? 0;
-                }
-            }
-
-            return specStateMatches;
-        }
-
-        /// <summary>
-        /// Gets the texture descriptor for a given texture handle.
-        /// </summary>
-        /// <param name="poolGpuVa">GPU virtual address of the texture pool</param>
-        /// <param name="bufferIndex">Index of the constant buffer with texture handles</param>
-        /// <param name="maximumId">Maximum ID of the texture pool</param>
-        /// <param name="stageIndex">The stage number where the texture is bound</param>
-        /// <param name="handle">The texture handle</param>
-        /// <param name="cbufSlot">The texture handle's constant buffer slot</param>
-        /// <returns>The texture descriptor for the specified texture</returns>
-        public TextureDescriptor GetTextureDescriptor(
-            ulong poolGpuVa,
-            int bufferIndex,
-            int maximumId,
-            int stageIndex,
-            int handle,
-            int cbufSlot)
-        {
-            (int textureBufferIndex, int samplerBufferIndex) = TextureHandle.UnpackSlots(cbufSlot, bufferIndex);
-
-            int packedId = ReadPackedId(stageIndex, handle, textureBufferIndex, samplerBufferIndex);
-            int textureId = TextureHandle.UnpackTextureId(packedId);
-
-            ulong poolAddress = _channel.MemoryManager.Translate(poolGpuVa);
-
-            TexturePool texturePool = _texturePoolCache.FindOrCreate(_channel, poolAddress, maximumId);
-
-            TextureDescriptor descriptor;
-
-            if (texturePool.IsValidId(textureId))
-            {
-                descriptor = texturePool.GetDescriptor(textureId);
-            }
-            else
-            {
-                // If the ID is not valid, we just return a default descriptor with the most common state.
-                // Since this is used for shader specialization, doing so might avoid the need for recompilations.
-                descriptor = new TextureDescriptor();
-                descriptor.Word4 |= (uint)TextureTarget.Texture2D << 23;
-                descriptor.Word5 |= 1u << 31; // Coords normalized.
-            }
-
-            return descriptor;
-        }
-
-        /// <summary>
-        /// Reads a packed texture and sampler ID (basically, the real texture handle)
-        /// from the texture constant buffer.
-        /// </summary>
-        /// <param name="stageIndex">The number of the shader stage where the texture is bound</param>
-        /// <param name="wordOffset">A word offset of the handle on the buffer (the "fake" shader handle)</param>
-        /// <param name="textureBufferIndex">Index of the constant buffer holding the texture handles</param>
-        /// <param name="samplerBufferIndex">Index of the constant buffer holding the sampler handles</param>
-        /// <returns>The packed texture and sampler ID (the real texture handle)</returns>
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private int ReadPackedId(int stageIndex, int wordOffset, int textureBufferIndex, int samplerBufferIndex)
-        {
-            (int textureWordOffset, int samplerWordOffset, TextureHandleType handleType) = TextureHandle.UnpackOffsets(wordOffset);
-
-            ulong textureBufferAddress = _isCompute
-                ? _channel.BufferManager.GetComputeUniformBufferAddress(textureBufferIndex)
-                : _channel.BufferManager.GetGraphicsUniformBufferAddress(stageIndex, textureBufferIndex);
-
-            int handle = textureBufferAddress != 0
-                ? _channel.MemoryManager.Physical.Read<int>(textureBufferAddress + (uint)textureWordOffset * 4)
-                : 0;
-
-            // The "wordOffset" (which is really the immediate value used on texture instructions on the shader)
-            // is a 13-bit value. However, in order to also support separate samplers and textures (which uses
-            // bindless textures on the shader), we extend it with another value on the higher 16 bits with
-            // another offset for the sampler.
-            // The shader translator has code to detect separate texture and sampler uses with a bindless texture,
-            // turn that into a regular texture access and produce those special handles with values on the higher 16 bits.
-            if (handleType != TextureHandleType.CombinedSampler)
-            {
-                int samplerHandle;
-
-                if (handleType != TextureHandleType.SeparateConstantSamplerHandle)
-                {
-                    ulong samplerBufferAddress = _isCompute
-                        ? _channel.BufferManager.GetComputeUniformBufferAddress(samplerBufferIndex)
-                        : _channel.BufferManager.GetGraphicsUniformBufferAddress(stageIndex, samplerBufferIndex);
-
-                    samplerHandle = samplerBufferAddress != 0
-                        ? _channel.MemoryManager.Physical.Read<int>(samplerBufferAddress + (uint)samplerWordOffset * 4)
-                        : 0;
-                }
-                else
-                {
-                    samplerHandle = samplerWordOffset;
-                }
-
-                if (handleType == TextureHandleType.SeparateSamplerId ||
-                    handleType == TextureHandleType.SeparateConstantSamplerHandle)
-                {
-                    samplerHandle <<= 20;
-                }
-
-                handle |= samplerHandle;
-            }
-
-            return handle;
-        }
-
-        /// <summary>
-        /// Gets the texture and sampler pool for the GPU virtual address that are currently set.
-        /// </summary>
-        /// <returns>The texture and sampler pools</returns>
-        private (TexturePool, SamplerPool) GetPools()
-        {
-            MemoryManager memoryManager = _channel.MemoryManager;
-
-            TexturePool texturePool = _texturePool;
-            SamplerPool samplerPool = _samplerPool;
-
-            if (texturePool == null)
-            {
-                ulong poolAddress = memoryManager.Translate(_texturePoolGpuVa);
-
-                if (poolAddress != MemoryManager.PteUnmapped)
-                {
-                    texturePool = _texturePoolCache.FindOrCreate(_channel, poolAddress, _texturePoolMaximumId);
-                    _texturePool = texturePool;
-                }
-            }
-
-            if (samplerPool == null)
-            {
-                ulong poolAddress = memoryManager.Translate(_samplerPoolGpuVa);
-
-                if (poolAddress != MemoryManager.PteUnmapped)
-                {
-                    samplerPool = _samplerPoolCache.FindOrCreate(_channel, poolAddress, _samplerPoolMaximumId);
-                    _samplerPool = samplerPool;
-                }
-            }
-
-            return (texturePool, samplerPool);
-        }
-
-        /// <summary>
-        /// Forces the texture and sampler pools to be re-loaded from the cache on next use.
-        /// </summary>
-        /// <remarks>
-        /// This should be called if the memory mappings change, to ensure the correct pools are being used.
-        /// </remarks>
-        public void ReloadPools()
-        {
-            _samplerPool = null;
-            _texturePool = null;
-        }
-
-        /// <summary>
-        /// Force all bound textures and images to be rebound the next time CommitBindings is called.
-        /// </summary>
-        public void Rebind()
-        {
-            Array.Clear(_textureState);
-            Array.Clear(_imageState);
-        }
-    }
-}
\ No newline at end of file