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Add support for the R4G4 texture format (#2956)

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gdkchan 2021-12-30 13:10:54 -03:00 • committed by GitHub
parent 1485780d90
commit c05c8e09d4
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 72 additions and 18 deletions
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1
Ryujinx.Graphics.Gpu/Image/FormatTable.cs
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@ -58,6 +58,7 @@ namespace Ryujinx.Graphics.Gpu.Image
{ 0x25385, new FormatInfo(Format.D32FloatS8Uint, 1, 1, 8, 2) },
{ 0x253b0, new FormatInfo(Format.D32FloatS8Uint, 1, 1, 8, 2) },
{ 0xa4908, new FormatInfo(Format.R8G8B8A8Srgb, 1, 1, 4, 4) },
{ 0x2491e, new FormatInfo(Format.R4G4Unorm, 1, 1, 1, 2) },
{ 0x24912, new FormatInfo(Format.R4G4B4A4Unorm, 1, 1, 2, 4) },
{ 0x24914, new FormatInfo(Format.R5G5B5A1Unorm, 1, 1, 2, 4) },
{ 0x24915, new FormatInfo(Format.R5G6B5Unorm, 1, 1, 2, 3) },

10
Ryujinx.Graphics.Gpu/Image/Texture.cs
View file

@ -785,7 +785,7 @@ namespace Ryujinx.Graphics.Gpu.Image
// Handle compressed cases not supported by the host:
// - ASTC is usually not supported on desktop cards.
// - BC4/BC5 is not supported on 3D textures.
if (!_context.Capabilities.SupportsAstcCompression && Info.FormatInfo.Format.IsAstc())
if (!_context.Capabilities.SupportsAstcCompression && Format.IsAstc())
{
if (!AstcDecoder.TryDecodeToRgba8P(
data.ToArray(),
@ -805,11 +805,15 @@ namespace Ryujinx.Graphics.Gpu.Image
data = decoded;
}
else if (Target == Target.Texture3D && Info.FormatInfo.Format.IsBc4())
else if (!_context.Capabilities.SupportsR4G4Format && Format == Format.R4G4Unorm)
{
data = PixelConverter.ConvertR4G4ToR4G4B4A4(data);
}
else if (Target == Target.Texture3D && Format.IsBc4())
{
data = BCnDecoder.DecodeBC4(data, width, height, depth, levels, layers, Info.FormatInfo.Format == Format.Bc4Snorm);
}
else if (Target == Target.Texture3D && Info.FormatInfo.Format.IsBc5())
else if (Target == Target.Texture3D && Format.IsBc5())
{
data = BCnDecoder.DecodeBC5(data, width, height, depth, levels, layers, Info.FormatInfo.Format == Format.Bc5Snorm);
}

5
Ryujinx.Graphics.Gpu/Image/TextureCompatibility.cs
View file

@ -66,6 +66,11 @@ namespace Ryujinx.Graphics.Gpu.Image
}
}
if (!caps.SupportsR4G4Format && info.FormatInfo.Format == Format.R4G4Unorm)
{
return new FormatInfo(Format.R4G4B4A4Unorm, 1, 1, 2, 4);
}
if (info.Target == Target.Texture3D)
{
// The host API does not support 3D BC4/BC5 compressed formats.