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Add constrained border colours to samplers (#26)

This commit is contained in:
riperiperi 2024-06-27 00:20:00 +01:00 committed by Isaac Marovitz
parent b33c1ae22f
commit e27ade5aee

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@ -14,9 +14,11 @@ namespace Ryujinx.Graphics.Metal
{ {
(MTLSamplerMinMagFilter minFilter, MTLSamplerMipFilter mipFilter) = info.MinFilter.Convert(); (MTLSamplerMinMagFilter minFilter, MTLSamplerMipFilter mipFilter) = info.MinFilter.Convert();
MTLSamplerBorderColor borderColor = GetConstrainedBorderColor(info.BorderColor, out _);
var samplerState = device.NewSamplerState(new MTLSamplerDescriptor var samplerState = device.NewSamplerState(new MTLSamplerDescriptor
{ {
BorderColor = MTLSamplerBorderColor.TransparentBlack, BorderColor = borderColor,
MinFilter = minFilter, MinFilter = minFilter,
MagFilter = info.MagFilter.Convert(), MagFilter = info.MagFilter.Convert(),
MipFilter = mipFilter, MipFilter = mipFilter,
@ -39,6 +41,37 @@ namespace Ryujinx.Graphics.Metal
_mtlSamplerState = samplerState; _mtlSamplerState = samplerState;
} }
private static MTLSamplerBorderColor GetConstrainedBorderColor(ColorF arbitraryBorderColor, out bool cantConstrain)
{
float r = arbitraryBorderColor.Red;
float g = arbitraryBorderColor.Green;
float b = arbitraryBorderColor.Blue;
float a = arbitraryBorderColor.Alpha;
if (r == 0f && g == 0f && b == 0f)
{
if (a == 1f)
{
cantConstrain = false;
return MTLSamplerBorderColor.OpaqueBlack;
}
if (a == 0f)
{
cantConstrain = false;
return MTLSamplerBorderColor.TransparentBlack;
}
}
else if (r == 1f && g == 1f && b == 1f && a == 1f)
{
cantConstrain = false;
return MTLSamplerBorderColor.OpaqueWhite;
}
cantConstrain = true;
return MTLSamplerBorderColor.OpaqueBlack;
}
public MTLSamplerState GetSampler() public MTLSamplerState GetSampler()
{ {
return _mtlSamplerState; return _mtlSamplerState;