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metal: use a fallback for fonts when luminance-alpha isn't supported.

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This commit is contained in:
Alex Szpakowski
2022-01-22 14:41:42 -04:00
parent 62de8f62c7
commit 1cf0073cf4
6 changed files with 79 additions and 36 deletions
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src/modules/graphics/metal/Graphics.mm
+6 -3
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@@ -1813,7 +1813,6 @@ bool Graphics::isPixelFormatSupported(PixelFormat format, PixelFormatUsageFlags
format = getSRGBPixelFormat(format);
const uint32 sample = PIXELFORMATUSAGEFLAGS_SAMPLE;
const uint32 linear = PIXELFORMATUSAGEFLAGS_LINEAR;
const uint32 rt = PIXELFORMATUSAGEFLAGS_RENDERTARGET;
const uint32 blend = PIXELFORMATUSAGEFLAGS_BLEND;
const uint32 msaa = PIXELFORMATUSAGEFLAGS_MSAA;
@@ -1858,8 +1857,12 @@ bool Graphics::isPixelFormatSupported(PixelFormat format, PixelFormatUsageFlags
flags |= all;
break;
case PIXELFORMAT_LA8_UNORM:
// TODO
flags |= commonsample;
// Requires texture swizzle support.
if (@available(macOS 10.15, iOS 13, *))
{
if (families.apple[1] || families.mac[2] || families.macCatalyst[2])
flags |= commonsample;
}
break;
case PIXELFORMAT_RG16_UNORM:
if (families.apple[1])