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using Ryujinx.Common.Logging;
using Ryujinx.Graphics.Gpu.Image;
using Ryujinx.Graphics.Shader;
using Ryujinx.Graphics.Shader.Translation;
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
{
/// <summary>
/// Represents a GPU state and memory accessor.
/// </summary>
class DiskCacheGpuAccessor : GpuAccessorBase, IGpuAccessor
{
private readonly ReadOnlyMemory<byte> _data;
private readonly ReadOnlyMemory<byte> _cb1Data;
private readonly ShaderSpecializationState _oldSpecState;
private readonly ShaderSpecializationState _newSpecState;
private readonly int _stageIndex;
private readonly bool _isVulkan;
/// <summary>
/// Creates a new instance of the cached GPU state accessor for shader translation.
/// </summary>
/// <param name="context">GPU context</param>
/// <param name="data">The data of the shader</param>
/// <param name="cb1Data">The constant buffer 1 data of the shader</param>
/// <param name="oldSpecState">Shader specialization state of the cached shader</param>
/// <param name="newSpecState">Shader specialization state of the recompiled shader</param>
/// <param name="counts">Resource counts shared across all shader stages</param>
/// <param name="stageIndex">Shader stage index</param>
public DiskCacheGpuAccessor(
GpuContext context,
ReadOnlyMemory<byte> data,
ReadOnlyMemory<byte> cb1Data,
ShaderSpecializationState oldSpecState,
ShaderSpecializationState newSpecState,
ResourceCounts counts,
int stageIndex) : base(context, counts, stageIndex)
{
_data = data;
_cb1Data = cb1Data;
_oldSpecState = oldSpecState;
_newSpecState = newSpecState;
_stageIndex = stageIndex;
_isVulkan = context.Capabilities.Api == TargetApi.Vulkan;
if (stageIndex == (int)ShaderStage.Geometry - 1)
{
// Only geometry shaders require the primitive topology.
newSpecState.RecordPrimitiveTopology();
}
}
/// <inheritdoc/>
public uint ConstantBuffer1Read(int offset)
{
if (offset + sizeof(uint) > _cb1Data.Length)
{
throw new DiskCacheLoadException(DiskCacheLoadResult.InvalidCb1DataLength);
}
return MemoryMarshal.Cast<byte, uint>(_cb1Data.Span[offset..])[0];
}
/// <inheritdoc/>
public void Log(string message)
{
Logger.Warning?.Print(LogClass.Gpu, $"Shader translator: {message}");
}
/// <inheritdoc/>
public ReadOnlySpan<ulong> GetCode(ulong address, int minimumSize)
{
return MemoryMarshal.Cast<byte, ulong>(_data.Span[(int)address..]);
}
/// <inheritdoc/>
public int QueryComputeLocalSizeX() => _oldSpecState.ComputeState.LocalSizeX;
/// <inheritdoc/>
public int QueryComputeLocalSizeY() => _oldSpecState.ComputeState.LocalSizeY;
/// <inheritdoc/>
public int QueryComputeLocalSizeZ() => _oldSpecState.ComputeState.LocalSizeZ;
/// <inheritdoc/>
public int QueryComputeLocalMemorySize() => _oldSpecState.ComputeState.LocalMemorySize;
/// <inheritdoc/>
public int QueryComputeSharedMemorySize() => _oldSpecState.ComputeState.SharedMemorySize;
/// <inheritdoc/>
public uint QueryConstantBufferUse()
{
_newSpecState.RecordConstantBufferUse(_stageIndex, _oldSpecState.ConstantBufferUse[_stageIndex]);
return _oldSpecState.ConstantBufferUse[_stageIndex];
}
/// <inheritdoc/>
public GpuGraphicsState QueryGraphicsState()
{
return _oldSpecState.GraphicsState.CreateShaderGraphicsState(!_isVulkan, _isVulkan || _oldSpecState.GraphicsState.YNegateEnabled);
}
/// <inheritdoc/>
public bool QueryHasConstantBufferDrawParameters()
{
return _oldSpecState.GraphicsState.HasConstantBufferDrawParameters;
}
/// <inheritdoc/>
public SamplerType QuerySamplerType(int handle, int cbufSlot)
{
_newSpecState.RecordTextureSamplerType(_stageIndex, handle, cbufSlot);
return _oldSpecState.GetTextureTarget(_stageIndex, handle, cbufSlot).ConvertSamplerType();
}
/// <inheritdoc/>
public int QueryTextureArrayLengthFromBuffer(int slot)
{
if (!_oldSpecState.TextureArrayFromBufferRegistered(_stageIndex, 0, slot))
{
throw new DiskCacheLoadException(DiskCacheLoadResult.MissingTextureArrayLength);
}
int arrayLength = _oldSpecState.GetTextureArrayFromBufferLength(_stageIndex, 0, slot);
_newSpecState.RegisterTextureArrayLengthFromBuffer(_stageIndex, 0, slot, arrayLength);
return arrayLength;
}
/// <inheritdoc/>
public TextureFormat QueryTextureFormat(int handle, int cbufSlot)
{
_newSpecState.RecordTextureFormat(_stageIndex, handle, cbufSlot);
(uint format, bool formatSrgb) = _oldSpecState.GetFormat(_stageIndex, handle, cbufSlot);
return ConvertToTextureFormat(format, formatSrgb);
}
/// <inheritdoc/>
public bool QueryTextureCoordNormalized(int handle, int cbufSlot)
{
_newSpecState.RecordTextureCoordNormalized(_stageIndex, handle, cbufSlot);
return _oldSpecState.GetCoordNormalized(_stageIndex, handle, cbufSlot);
}
/// <inheritdoc/>
public bool QueryTransformFeedbackEnabled()
{
return _oldSpecState.TransformFeedbackDescriptors != null;
}
/// <inheritdoc/>
public ReadOnlySpan<byte> QueryTransformFeedbackVaryingLocations(int bufferIndex)
{
return _oldSpecState.TransformFeedbackDescriptors[bufferIndex].AsSpan();
}
/// <inheritdoc/>
public int QueryTransformFeedbackStride(int bufferIndex)
{
return _oldSpecState.TransformFeedbackDescriptors[bufferIndex].Stride;
}
/// <inheritdoc/>
public bool QueryHasUnalignedStorageBuffer()
{
return _oldSpecState.GraphicsState.HasUnalignedStorageBuffer || _oldSpecState.ComputeState.HasUnalignedStorageBuffer;
}
/// <inheritdoc/>
public void RegisterTexture(int handle, int cbufSlot)
{
if (!_oldSpecState.TextureRegistered(_stageIndex, handle, cbufSlot))
{
throw new DiskCacheLoadException(DiskCacheLoadResult.MissingTextureDescriptor);
}
(uint format, bool formatSrgb) = _oldSpecState.GetFormat(_stageIndex, handle, cbufSlot);
TextureTarget target = _oldSpecState.GetTextureTarget(_stageIndex, handle, cbufSlot);
bool coordNormalized = _oldSpecState.GetCoordNormalized(_stageIndex, handle, cbufSlot);
_newSpecState.RegisterTexture(_stageIndex, handle, cbufSlot, format, formatSrgb, target, coordNormalized);
}
}
}
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