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using Ryujinx.Graphics.GAL;
using Ryujinx.Graphics.Gpu.Image;
using Ryujinx.Graphics.Shader;
using System;
namespace Ryujinx.Graphics.Gpu.Shader
{
abstract class TextureDescriptorCapableGpuAccessor : IGpuAccessor
{
private readonly GpuContext _context;
public TextureDescriptorCapableGpuAccessor(GpuContext context)
{
_context = context;
}
public abstract ReadOnlySpan<ulong> GetCode(ulong address, int minimumSize);
public abstract ITextureDescriptor GetTextureDescriptor(int handle, int cbufSlot);
/// <summary>
/// Queries host about the presence of the FrontFacing built-in variable bug.
/// </summary>
/// <returns>True if the bug is present on the host device used, false otherwise</returns>
public bool QueryHostHasFrontFacingBug() => _context.Capabilities.HasFrontFacingBug;
/// <summary>
/// Queries host about the presence of the vector indexing bug.
/// </summary>
/// <returns>True if the bug is present on the host device used, false otherwise</returns>
public bool QueryHostHasVectorIndexingBug() => _context.Capabilities.HasVectorIndexingBug;
/// <summary>
/// Queries host storage buffer alignment required.
/// </summary>
/// <returns>Host storage buffer alignment in bytes</returns>
public int QueryHostStorageBufferOffsetAlignment() => _context.Capabilities.StorageBufferOffsetAlignment;
/// <summary>
/// Queries host support for readable images without a explicit format declaration on the shader.
/// </summary>
/// <returns>True if formatted image load is supported, false otherwise</returns>
public bool QueryHostSupportsImageLoadFormatted() => _context.Capabilities.SupportsImageLoadFormatted;
/// <summary>
/// Queries host GPU non-constant texture offset support.
/// </summary>
/// <returns>True if the GPU and driver supports non-constant texture offsets, false otherwise</returns>
public bool QueryHostSupportsNonConstantTextureOffset() => _context.Capabilities.SupportsNonConstantTextureOffset;
/// <summary>
/// Queries host GPU shader ballot support.
/// </summary>
/// <returns>True if the GPU and driver supports shader ballot, false otherwise</returns>
public bool QueryHostSupportsShaderBallot() => _context.Capabilities.SupportsShaderBallot;
/// <summary>
/// Queries host GPU texture shadow LOD support.
/// </summary>
/// <returns>True if the GPU and driver supports texture shadow LOD, false otherwise</returns>
public bool QueryHostSupportsTextureShadowLod() => _context.Capabilities.SupportsTextureShadowLod;
/// <summary>
/// Queries texture format information, for shaders using image load or store.
/// </summary>
/// <remarks>
/// This only returns non-compressed color formats.
/// If the format of the texture is a compressed, depth or unsupported format, then a default value is returned.
/// </remarks>
/// <param name="handle">Texture handle</param>
/// <param name="cbufSlot">Constant buffer slot for the texture handle</param>
/// <returns>Color format of the non-compressed texture</returns>
public TextureFormat QueryTextureFormat(int handle, int cbufSlot = -1)
{
var descriptor = GetTextureDescriptor(handle, cbufSlot);
if (!FormatTable.TryGetTextureFormat(descriptor.UnpackFormat(), descriptor.UnpackSrgb(), out FormatInfo formatInfo))
{
return TextureFormat.Unknown;
}
return formatInfo.Format switch
{
Format.R8Unorm => TextureFormat.R8Unorm,
Format.R8Snorm => TextureFormat.R8Snorm,
Format.R8Uint => TextureFormat.R8Uint,
Format.R8Sint => TextureFormat.R8Sint,
Format.R16Float => TextureFormat.R16Float,
Format.R16Unorm => TextureFormat.R16Unorm,
Format.R16Snorm => TextureFormat.R16Snorm,
Format.R16Uint => TextureFormat.R16Uint,
Format.R16Sint => TextureFormat.R16Sint,
Format.R32Float => TextureFormat.R32Float,
Format.R32Uint => TextureFormat.R32Uint,
Format.R32Sint => TextureFormat.R32Sint,
Format.R8G8Unorm => TextureFormat.R8G8Unorm,
Format.R8G8Snorm => TextureFormat.R8G8Snorm,
Format.R8G8Uint => TextureFormat.R8G8Uint,
Format.R8G8Sint => TextureFormat.R8G8Sint,
Format.R16G16Float => TextureFormat.R16G16Float,
Format.R16G16Unorm => TextureFormat.R16G16Unorm,
Format.R16G16Snorm => TextureFormat.R16G16Snorm,
Format.R16G16Uint => TextureFormat.R16G16Uint,
Format.R16G16Sint => TextureFormat.R16G16Sint,
Format.R32G32Float => TextureFormat.R32G32Float,
Format.R32G32Uint => TextureFormat.R32G32Uint,
Format.R32G32Sint => TextureFormat.R32G32Sint,
Format.R8G8B8A8Unorm => TextureFormat.R8G8B8A8Unorm,
Format.R8G8B8A8Snorm => TextureFormat.R8G8B8A8Snorm,
Format.R8G8B8A8Uint => TextureFormat.R8G8B8A8Uint,
Format.R8G8B8A8Sint => TextureFormat.R8G8B8A8Sint,
Format.R8G8B8A8Srgb => TextureFormat.R8G8B8A8Unorm,
Format.R16G16B16A16Float => TextureFormat.R16G16B16A16Float,
Format.R16G16B16A16Unorm => TextureFormat.R16G16B16A16Unorm,
Format.R16G16B16A16Snorm => TextureFormat.R16G16B16A16Snorm,
Format.R16G16B16A16Uint => TextureFormat.R16G16B16A16Uint,
Format.R16G16B16A16Sint => TextureFormat.R16G16B16A16Sint,
Format.R32G32B32A32Float => TextureFormat.R32G32B32A32Float,
Format.R32G32B32A32Uint => TextureFormat.R32G32B32A32Uint,
Format.R32G32B32A32Sint => TextureFormat.R32G32B32A32Sint,
Format.R10G10B10A2Unorm => TextureFormat.R10G10B10A2Unorm,
Format.R10G10B10A2Uint => TextureFormat.R10G10B10A2Uint,
Format.R11G11B10Float => TextureFormat.R11G11B10Float,
_ => TextureFormat.Unknown
};
}
/// <summary>
/// Queries sampler type information.
/// </summary>
/// <param name="handle">Texture handle</param>
/// <param name="cbufSlot">Constant buffer slot for the texture handle</param>
/// <returns>The sampler type value for the given handle</returns>
public SamplerType QuerySamplerType(int handle, int cbufSlot = -1)
{
return GetTextureDescriptor(handle, cbufSlot).UnpackTextureTarget().ConvertSamplerType();
}
/// <summary>
/// Queries texture target information.
/// </summary>
/// <param name="handle">Texture handle</param>
/// <param name="cbufSlot">Constant buffer slot for the texture handle</param>
/// <returns>True if the texture is a rectangle texture, false otherwise</returns>
public bool QueryIsTextureRectangle(int handle, int cbufSlot = -1)
{
var descriptor = GetTextureDescriptor(handle, cbufSlot);
TextureTarget target = descriptor.UnpackTextureTarget();
bool is2DTexture = target == TextureTarget.Texture2D ||
target == TextureTarget.Texture2DRect;
return !descriptor.UnpackTextureCoordNormalized() && is2DTexture;
}
}
}
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