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GPU: Add fallback when 16-bit formats are not supported (#4108)

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* Add conversion for 16 bit RGBA formats (not supported in Rosetta)

* Rebase fix

Rebase fix

* Forgot to remove this

* Fix RGBA16 format conversion

* Add RGBA4 -> RGBA8 conversion

* Handle host stride alignment

* Address Feedback Part 1

* Can't count

* Don't zero out rgb when alpha is 0

* Separate RGBA4 and 5-bit component formats

Not sure of a better way to name them...

* Add A1B5G5R5 conversion

* Put this in the right place.

* Make format naming consistent for capabilities

* Change method names
This commit is contained in:
riperiperi 2022-12-26 18:50:27 +00:00 • committed by GitHub
parent c963b3c804
commit 470be03c2f
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8 changed files with 291 additions and 20 deletions
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35
Ryujinx.Graphics.Gpu/Image/Texture.cs
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@ -911,7 +911,40 @@ namespace Ryujinx.Graphics.Gpu.Image
}
else if (!_context.Capabilities.SupportsR4G4Format && Format == Format.R4G4Unorm)
{
result = PixelConverter.ConvertR4G4ToR4G4B4A4(result);
result = PixelConverter.ConvertR4G4ToR4G4B4A4(result, width);
if (!_context.Capabilities.SupportsR4G4B4A4Format)
{
result = PixelConverter.ConvertR4G4B4A4ToR8G8B8A8(result, width);
}
}
else if (Format == Format.R4G4B4A4Unorm)
{
if (!_context.Capabilities.SupportsR4G4B4A4Format)
{
result = PixelConverter.ConvertR4G4B4A4ToR8G8B8A8(result, width);
}
}
else if (!_context.Capabilities.Supports5BitComponentFormat && Format.Is16BitPacked())
{
switch (Format)
{
case Format.B5G6R5Unorm:
case Format.R5G6B5Unorm:
result = PixelConverter.ConvertR5G6B5ToR8G8B8A8(result, width);
break;
case Format.B5G5R5A1Unorm:
case Format.R5G5B5X1Unorm:
case Format.R5G5B5A1Unorm:
result = PixelConverter.ConvertR5G5B5ToR8G8B8A8(result, width, Format == Format.R5G5B5X1Unorm);
break;
case Format.A1B5G5R5Unorm:
result = PixelConverter.ConvertA1B5G5R5ToR8G8B8A8(result, width);
break;
case Format.R4G4B4A4Unorm:
result = PixelConverter.ConvertR4G4B4A4ToR8G8B8A8(result, width);
break;
}
}
return result;