ryujinx-mirror/Ryujinx.Graphics/Texture/ImageUtils.cs

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C#
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using Ryujinx.Graphics.Gal;
using System;
using System.Collections.Generic;
namespace Ryujinx.Graphics.Texture
{
static class ImageUtils
{
struct ImageDescriptor
{
public TextureReaderDelegate Reader;
public bool HasColor;
public bool HasDepth;
public bool HasStencil;
public bool Compressed;
public ImageDescriptor(
TextureReaderDelegate Reader,
bool HasColor,
bool HasDepth,
bool HasStencil,
bool Compressed)
{
this.Reader = Reader;
this.HasColor = HasColor;
this.HasDepth = HasDepth;
this.HasStencil = HasStencil;
this.Compressed = Compressed;
}
}
private const GalImageFormat Snorm = GalImageFormat.Snorm;
private const GalImageFormat Unorm = GalImageFormat.Unorm;
private const GalImageFormat Sint = GalImageFormat.Sint;
private const GalImageFormat Uint = GalImageFormat.Uint;
private const GalImageFormat Sfloat = GalImageFormat.Sfloat;
private static readonly Dictionary<GalTextureFormat, GalImageFormat> s_TextureTable =
new Dictionary<GalTextureFormat, GalImageFormat>()
{
{ GalTextureFormat.R32G32B32A32, GalImageFormat.R32G32B32A32 | Sint | Uint | Sfloat },
{ GalTextureFormat.R16G16B16A16, GalImageFormat.R16G16B16A16 | Snorm | Unorm | Sint | Uint | Sfloat },
{ GalTextureFormat.R32G32, GalImageFormat.R32G32 | Sint | Uint | Sfloat },
{ GalTextureFormat.A8B8G8R8, GalImageFormat.A8B8G8R8 | Snorm | Unorm | Sint | Uint },
{ GalTextureFormat.A2B10G10R10, GalImageFormat.A2B10G10R10 | Snorm | Unorm | Sint | Uint },
{ GalTextureFormat.G8R8, GalImageFormat.G8R8 | Snorm | Unorm | Sint | Uint },
{ GalTextureFormat.R16, GalImageFormat.R16 | Snorm | Unorm | Sint | Uint | Sfloat },
{ GalTextureFormat.R8, GalImageFormat.R8 | Snorm | Unorm | Sint | Uint },
{ GalTextureFormat.R32, GalImageFormat.R32 | Sint | Uint | Sfloat },
{ GalTextureFormat.A4B4G4R4, GalImageFormat.A4B4G4R4 | Unorm },
{ GalTextureFormat.A1B5G5R5, GalImageFormat.A1R5G5B5 | Unorm },
{ GalTextureFormat.B5G6R5, GalImageFormat.B5G6R5 | Unorm },
{ GalTextureFormat.BF10GF11RF11, GalImageFormat.B10G11R11 | Sfloat },
{ GalTextureFormat.Z24S8, GalImageFormat.D24_S8 | Unorm },
{ GalTextureFormat.ZF32, GalImageFormat.D32 | Sfloat },
{ GalTextureFormat.ZF32_X24S8, GalImageFormat.D32_S8 | Unorm },
//Compressed formats
{ GalTextureFormat.BC6H_SF16, GalImageFormat.BC6H_SF16 | Unorm },
{ GalTextureFormat.BC6H_UF16, GalImageFormat.BC6H_UF16 | Unorm },
{ GalTextureFormat.BC7U, GalImageFormat.BC7 | Unorm },
{ GalTextureFormat.BC1, GalImageFormat.BC1_RGBA | Unorm },
{ GalTextureFormat.BC2, GalImageFormat.BC2 | Unorm },
{ GalTextureFormat.BC3, GalImageFormat.BC3 | Unorm },
{ GalTextureFormat.BC4, GalImageFormat.BC4 | Unorm | Snorm },
{ GalTextureFormat.BC5, GalImageFormat.BC5 | Unorm | Snorm },
{ GalTextureFormat.Astc2D4x4, GalImageFormat.ASTC_4x4 | Unorm },
{ GalTextureFormat.Astc2D5x5, GalImageFormat.ASTC_5x5 | Unorm },
{ GalTextureFormat.Astc2D6x6, GalImageFormat.ASTC_6x6 | Unorm },
{ GalTextureFormat.Astc2D8x8, GalImageFormat.ASTC_8x8 | Unorm },
{ GalTextureFormat.Astc2D10x10, GalImageFormat.ASTC_10x10 | Unorm },
{ GalTextureFormat.Astc2D12x12, GalImageFormat.ASTC_12x12 | Unorm },
{ GalTextureFormat.Astc2D5x4, GalImageFormat.ASTC_5x4 | Unorm },
{ GalTextureFormat.Astc2D6x5, GalImageFormat.ASTC_6x5 | Unorm },
{ GalTextureFormat.Astc2D8x6, GalImageFormat.ASTC_8x6 | Unorm },
{ GalTextureFormat.Astc2D10x8, GalImageFormat.ASTC_10x8 | Unorm },
{ GalTextureFormat.Astc2D12x10, GalImageFormat.ASTC_12x10 | Unorm },
{ GalTextureFormat.Astc2D8x5, GalImageFormat.ASTC_8x5 | Unorm },
{ GalTextureFormat.Astc2D10x5, GalImageFormat.ASTC_10x5 | Unorm },
{ GalTextureFormat.Astc2D10x6, GalImageFormat.ASTC_10x6 | Unorm }
};
private static readonly Dictionary<GalImageFormat, ImageDescriptor> s_ImageTable =
new Dictionary<GalImageFormat, ImageDescriptor>()
{
{ GalImageFormat.R32G32B32A32, new ImageDescriptor(TextureReader.Read16Bpp, true, false, false, false) },
{ GalImageFormat.R16G16B16A16, new ImageDescriptor(TextureReader.Read8Bpp, true, false, false, false) },
{ GalImageFormat.R32G32, new ImageDescriptor(TextureReader.Read8Bpp, true, false, false, false) },
{ GalImageFormat.A8B8G8R8, new ImageDescriptor(TextureReader.Read4Bpp, true, false, false, false) },
{ GalImageFormat.A2B10G10R10, new ImageDescriptor(TextureReader.Read4Bpp, true, false, false, false) },
{ GalImageFormat.R32, new ImageDescriptor(TextureReader.Read4Bpp, true, false, false, false) },
{ GalImageFormat.A4B4G4R4, new ImageDescriptor(TextureReader.Read2Bpp, true, false, false, false) },
{ GalImageFormat.BC6H_SF16, new ImageDescriptor(TextureReader.Read16BptCompressedTexture4x4, true, false, false, true) },
{ GalImageFormat.BC6H_UF16, new ImageDescriptor(TextureReader.Read16BptCompressedTexture4x4, true, false, false, true) },
{ GalImageFormat.A1R5G5B5, new ImageDescriptor(TextureReader.Read5551, true, false, false, false) },
{ GalImageFormat.B5G6R5, new ImageDescriptor(TextureReader.Read565, true, false, false, false) },
{ GalImageFormat.BC7, new ImageDescriptor(TextureReader.Read16BptCompressedTexture4x4, true, false, false, true) },
{ GalImageFormat.R16G16, new ImageDescriptor(TextureReader.Read4Bpp, true, false, false, false) },
{ GalImageFormat.R8G8, new ImageDescriptor(TextureReader.Read2Bpp, true, false, false, false) },
{ GalImageFormat.G8R8, new ImageDescriptor(TextureReader.Read2Bpp, true, false, false, false) },
{ GalImageFormat.R16, new ImageDescriptor(TextureReader.Read2Bpp, true, false, false, false) },
{ GalImageFormat.R8, new ImageDescriptor(TextureReader.Read1Bpp, true, false, false, false) },
{ GalImageFormat.B10G11R11, new ImageDescriptor(TextureReader.Read4Bpp, true, false, false, false) },
{ GalImageFormat.A8B8G8R8_SRGB, new ImageDescriptor(TextureReader.Read4Bpp, true, false, false, false) },
{ GalImageFormat.BC1_RGBA, new ImageDescriptor(TextureReader.Read8Bpt4x4, true, false, false, true) },
{ GalImageFormat.BC2, new ImageDescriptor(TextureReader.Read16BptCompressedTexture4x4, true, false, false, true) },
{ GalImageFormat.BC3, new ImageDescriptor(TextureReader.Read16BptCompressedTexture4x4, true, false, false, true) },
{ GalImageFormat.BC4, new ImageDescriptor(TextureReader.Read8Bpt4x4, true, false, false, true) },
{ GalImageFormat.BC5, new ImageDescriptor(TextureReader.Read16BptCompressedTexture4x4, true, false, false, true) },
{ GalImageFormat.ASTC_4x4, new ImageDescriptor(TextureReader.Read16BptCompressedTexture4x4, true, false, false, true) },
{ GalImageFormat.ASTC_5x5, new ImageDescriptor(TextureReader.Read16BptCompressedTexture5x5, true, false, false, true) },
{ GalImageFormat.ASTC_6x6, new ImageDescriptor(TextureReader.Read16BptCompressedTexture6x6, true, false, false, true) },
{ GalImageFormat.ASTC_8x8, new ImageDescriptor(TextureReader.Read16BptCompressedTexture8x8, true, false, false, true) },
{ GalImageFormat.ASTC_10x10, new ImageDescriptor(TextureReader.Read16BptCompressedTexture10x10, true, false, false, true) },
{ GalImageFormat.ASTC_12x12, new ImageDescriptor(TextureReader.Read16BptCompressedTexture12x12, true, false, false, true) },
{ GalImageFormat.ASTC_5x4, new ImageDescriptor(TextureReader.Read16BptCompressedTexture5x4, true, false, false, true) },
{ GalImageFormat.ASTC_6x5, new ImageDescriptor(TextureReader.Read16BptCompressedTexture6x5, true, false, false, true) },
{ GalImageFormat.ASTC_8x6, new ImageDescriptor(TextureReader.Read16BptCompressedTexture8x6, true, false, false, true) },
{ GalImageFormat.ASTC_10x8, new ImageDescriptor(TextureReader.Read16BptCompressedTexture10x8, true, false, false, true) },
{ GalImageFormat.ASTC_12x10, new ImageDescriptor(TextureReader.Read16BptCompressedTexture12x10, true, false, false, true) },
{ GalImageFormat.ASTC_8x5, new ImageDescriptor(TextureReader.Read16BptCompressedTexture8x5, true, false, false, true) },
{ GalImageFormat.ASTC_10x5, new ImageDescriptor(TextureReader.Read16BptCompressedTexture10x5, true, false, false, true) },
{ GalImageFormat.ASTC_10x6, new ImageDescriptor(TextureReader.Read16BptCompressedTexture10x6, true, false, false, true) },
{ GalImageFormat.D24_S8, new ImageDescriptor(TextureReader.Read4Bpp, false, true, true, false) },
{ GalImageFormat.D32, new ImageDescriptor(TextureReader.Read4Bpp, false, true, false, false) },
{ GalImageFormat.D16, new ImageDescriptor(TextureReader.Read2Bpp, false, true, false, false) },
{ GalImageFormat.D32_S8, new ImageDescriptor(TextureReader.Read8Bpp, false, true, true, false) },
};
public static GalImageFormat ConvertTexture(
GalTextureFormat Format,
GalTextureType RType,
GalTextureType GType,
GalTextureType BType,
GalTextureType AType)
{
if (RType != GType || RType != BType || RType != AType)
{
throw new NotImplementedException("Per component types are not implemented");
}
if (!s_TextureTable.TryGetValue(Format, out GalImageFormat ImageFormat))
{
throw new NotImplementedException("Texture with format " + ((int)Format).ToString("x2") + " not implemented");
}
GalTextureType Type = RType;
GalImageFormat FormatType = GetFormatType(RType);
if (ImageFormat.HasFlag(FormatType))
{
return (ImageFormat & GalImageFormat.FormatMask) | FormatType;
}
else
{
throw new NotImplementedException("Texture with format " + Format +
" and component type " + Type + " is not implemented");
}
}
public static GalImageFormat ConvertSurface(GalSurfaceFormat Format)
{
switch (Format)
{
case GalSurfaceFormat.RGBA32Float: return GalImageFormat.R32G32B32A32 | Sfloat;
case GalSurfaceFormat.RGBA16Float: return GalImageFormat.R16G16B16A16 | Sfloat;
case GalSurfaceFormat.RG32Float: return GalImageFormat.R32G32 | Sfloat;
case GalSurfaceFormat.RG32Sint: return GalImageFormat.R32G32 | Sint;
case GalSurfaceFormat.RG32Uint: return GalImageFormat.R32G32 | Uint;
case GalSurfaceFormat.BGRA8Unorm: return GalImageFormat.R8G8B8A8 | Unorm; //Is this right?
case GalSurfaceFormat.BGRA8Srgb: return GalImageFormat.A8B8G8R8_SRGB; //This one might be wrong
case GalSurfaceFormat.RGB10A2Unorm: return GalImageFormat.A2B10G10R10 | Unorm;
case GalSurfaceFormat.RGBA8Unorm: return GalImageFormat.A8B8G8R8 | Unorm;
case GalSurfaceFormat.RGBA8Srgb: return GalImageFormat.A8B8G8R8_SRGB;
case GalSurfaceFormat.RGBA8Snorm: return GalImageFormat.A8B8G8R8 | Snorm;
case GalSurfaceFormat.RG16Snorm: return GalImageFormat.R16G16 | Snorm;
case GalSurfaceFormat.RG16Float: return GalImageFormat.R16G16 | Sfloat;
case GalSurfaceFormat.R11G11B10Float: return GalImageFormat.B10G11R11 | Sfloat;
case GalSurfaceFormat.R32Float: return GalImageFormat.R32 | Sfloat;
case GalSurfaceFormat.RG8Unorm: return GalImageFormat.R8G8 | Unorm;
case GalSurfaceFormat.RG8Snorm: return GalImageFormat.R8 | Snorm;
case GalSurfaceFormat.R16Float: return GalImageFormat.R16 | Sfloat;
case GalSurfaceFormat.R8Unorm: return GalImageFormat.R8 | Unorm;
}
throw new NotImplementedException(Format.ToString());
}
public static GalImageFormat ConvertZeta(GalZetaFormat Format)
{
switch (Format)
{
case GalZetaFormat.Z32Float: return GalImageFormat.D32 | Sfloat;
case GalZetaFormat.S8Z24Unorm: return GalImageFormat.D24_S8 | Unorm;
case GalZetaFormat.Z16Unorm: return GalImageFormat.D16 | Unorm;
//This one might not be Uint, change when a texture uses this format
case GalZetaFormat.Z32S8X24Float: return GalImageFormat.D32_S8 | Uint;
}
throw new NotImplementedException(Format.ToString());
}
public static TextureReaderDelegate GetReader(GalImageFormat Format)
{
return GetImageDescriptor(Format).Reader;
}
public static int GetSize(GalImage Image)
{
switch (Image.Format & GalImageFormat.FormatMask)
{
case GalImageFormat.R32G32B32A32:
return Image.Width * Image.Height * 16;
case GalImageFormat.R16G16B16A16:
case GalImageFormat.D32_S8:
case GalImageFormat.R32G32:
return Image.Width * Image.Height * 8;
case GalImageFormat.A8B8G8R8:
case GalImageFormat.A8B8G8R8_SRGB:
case GalImageFormat.A2B10G10R10:
case GalImageFormat.R16G16:
case GalImageFormat.R32:
case GalImageFormat.D32:
case GalImageFormat.B10G11R11:
case GalImageFormat.D24_S8:
return Image.Width * Image.Height * 4;
case GalImageFormat.B4G4R4A4:
case GalImageFormat.A1R5G5B5:
case GalImageFormat.B5G6R5:
case GalImageFormat.R8G8:
case GalImageFormat.G8R8:
case GalImageFormat.R16:
case GalImageFormat.D16:
return Image.Width * Image.Height * 2;
case GalImageFormat.R8:
return Image.Width * Image.Height;
case GalImageFormat.BC1_RGBA:
case GalImageFormat.BC4:
{
return CompressedTextureSize(Image.Width, Image.Height, 4, 4, 8);
}
case GalImageFormat.BC6H_SF16:
case GalImageFormat.BC6H_UF16:
case GalImageFormat.BC7:
case GalImageFormat.BC2:
case GalImageFormat.BC3:
case GalImageFormat.BC5:
case GalImageFormat.ASTC_4x4:
return CompressedTextureSize(Image.Width, Image.Height, 4, 4, 16);
case GalImageFormat.ASTC_5x5:
return CompressedTextureSize(Image.Width, Image.Height, 5, 5, 16);
case GalImageFormat.ASTC_6x6:
return CompressedTextureSize(Image.Width, Image.Height, 6, 6, 16);
case GalImageFormat.ASTC_8x8:
return CompressedTextureSize(Image.Width, Image.Height, 8, 8, 16);
case GalImageFormat.ASTC_10x10:
return CompressedTextureSize(Image.Width, Image.Height, 10, 10, 16);
case GalImageFormat.ASTC_12x12:
return CompressedTextureSize(Image.Width, Image.Height, 12, 12, 16);
case GalImageFormat.ASTC_5x4:
return CompressedTextureSize(Image.Width, Image.Height, 5, 4, 16);
case GalImageFormat.ASTC_6x5:
return CompressedTextureSize(Image.Width, Image.Height, 6, 5, 16);
case GalImageFormat.ASTC_8x6:
return CompressedTextureSize(Image.Width, Image.Height, 8, 6, 16);
case GalImageFormat.ASTC_10x8:
return CompressedTextureSize(Image.Width, Image.Height, 10, 8, 16);
case GalImageFormat.ASTC_12x10:
return CompressedTextureSize(Image.Width, Image.Height, 12, 10, 16);
case GalImageFormat.ASTC_8x5:
return CompressedTextureSize(Image.Width, Image.Height, 8, 5, 16);
case GalImageFormat.ASTC_10x5:
return CompressedTextureSize(Image.Width, Image.Height, 10, 5, 16);
case GalImageFormat.ASTC_10x6:
return CompressedTextureSize(Image.Width, Image.Height, 10, 6, 16);
}
throw new NotImplementedException((Image.Format & GalImageFormat.FormatMask).ToString());
}
public static bool HasColor(GalImageFormat Format)
{
return GetImageDescriptor(Format).HasColor;
}
public static bool HasDepth(GalImageFormat Format)
{
return GetImageDescriptor(Format).HasDepth;
}
public static bool HasStencil(GalImageFormat Format)
{
return GetImageDescriptor(Format).HasStencil;
}
public static bool IsCompressed(GalImageFormat Format)
{
return GetImageDescriptor(Format).Compressed;
}
private static ImageDescriptor GetImageDescriptor(GalImageFormat Format)
{
GalImageFormat TypeLess = (Format & GalImageFormat.FormatMask);
if (s_ImageTable.TryGetValue(TypeLess, out ImageDescriptor Descriptor))
{
return Descriptor;
}
throw new NotImplementedException("Image with format " + TypeLess.ToString() + " not implemented");
}
private static GalImageFormat GetFormatType(GalTextureType Type)
{
switch (Type)
{
case GalTextureType.Snorm: return Snorm;
case GalTextureType.Unorm: return Unorm;
case GalTextureType.Sint: return Sint;
case GalTextureType.Uint: return Uint;
case GalTextureType.Float: return Sfloat;
default: throw new NotImplementedException(((int)Type).ToString());
}
}
private static int CompressedTextureSize(int TextureWidth, int TextureHeight, int BlockWidth, int BlockHeight, int Bpb)
{
int W = (TextureWidth + (BlockWidth - 1)) / BlockWidth;
int H = (TextureHeight + (BlockHeight - 1)) / BlockHeight;
return W * H * Bpb;
}
}
}