Advertise VK_FORMAT_A2R10G10B10_UNORM_PACK32 as a surface format.
The documentation for the corresponding Metal format recommends using it
on displays with wide-color output to reduce banding artifacts, and thus
implies that it is possible to use it with a CAMetalLayer.
diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm b/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
index 3f3d823..7c10da2 100644
--- a/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
+++ b/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
@@ -469,6 +469,7 @@
MTLPixelFormatBGRA8Unorm,
MTLPixelFormatBGRA8Unorm_sRGB,
MTLPixelFormatRGBA16Float,
+ MTLPixelFormatBGR10A2Unorm,
};
MVKVectorInline<VkColorSpaceKHR, 16> colorSpaces;
@@ -488,7 +489,9 @@
}
#endif
- const uint mtlFmtsCnt = sizeof(mtlFormats) / sizeof(MTLPixelFormat);
+ uint mtlFmtsCnt = sizeof(mtlFormats) / sizeof(MTLPixelFormat);
+ if (!mvkMTLPixelFormatIsSupported(MTLPixelFormatBGR10A2Unorm)) { mtlFmtsCnt--; }
+
const uint vkFmtsCnt = mtlFmtsCnt * (uint)colorSpaces.size();
// If properties aren't actually being requested yet, simply update the returned count
