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Fix issue where extension VK_KHR_fragment_shader_barycentric

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was sometimes incorrectly disabled due to a Metal driver bug.

Update MoltenVK version to 1.2.3.
This commit is contained in:
Bill Hollings 2023-01-30 15:22:33 -05:00
parent fb581e457a
commit 7e9b5b73de
3 changed files with 20 additions and 2 deletions
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10
Docs/Whats_New.md
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@ -13,6 +13,16 @@ Copyright (c) 2015-2023 [The Brenwill Workshop Ltd.](http://www.brenwill.com)
MoltenVK 1.2.3
--------------
Released TBA
- Fix issue where extension `VK_KHR_fragment_shader_barycentric`
was sometimes incorrectly disabled due to a Metal driver bug.
MoltenVK 1.2.2
--------------

2
MoltenVK/MoltenVK/API/vk_mvk_moltenvk.h
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@ -51,7 +51,7 @@ typedef unsigned long MTLArgumentBuffersTier;
*/
#define MVK_VERSION_MAJOR 1
#define MVK_VERSION_MINOR 2
#define MVK_VERSION_PATCH 2
#define MVK_VERSION_PATCH 3
#define MVK_MAKE_VERSION(major, minor, patch) (((major) * 10000) + ((minor) * 100) + (patch))
#define MVK_VERSION MVK_MAKE_VERSION(MVK_VERSION_MAJOR, MVK_VERSION_MINOR, MVK_VERSION_PATCH)

10
MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
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@ -1822,9 +1822,17 @@ void MVKPhysicalDevice::initMetalFeatures() {
#endif
#if (MVK_MACOS && !MVK_MACCAT) || (MVK_MACCAT && MVK_XCODE_14) || (MVK_IOS && MVK_XCODE_12)
// Both current and deprecated properties are retrieved and OR'd together, due to a
// Metal bug that, in some environments, returned true for one and false for the other.
bool bcProp1 = false;
bool bcProp2 = false;
if ( [_mtlDevice respondsToSelector: @selector(supportsShaderBarycentricCoordinates)] ) {
_metalFeatures.shaderBarycentricCoordinates = _mtlDevice.supportsShaderBarycentricCoordinates;
bcProp1 = _mtlDevice.supportsShaderBarycentricCoordinates;
}
if ( [_mtlDevice respondsToSelector: @selector(areBarycentricCoordsSupported)] ) {
bcProp2 = _mtlDevice.areBarycentricCoordsSupported;
}
_metalFeatures.shaderBarycentricCoordinates = bcProp1 || bcProp2;
#endif
if ( [_mtlDevice respondsToSelector: @selector(maxBufferLength)] ) {