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MVKPhysicalDevice: Disable SIMD-group permutation for Mac family 1.

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Our testing shows that none of the SIMD-group functions work on family
1, including `simd_is_first()`, which is needed for even `BASIC`
support.
This commit is contained in:
Chip Davis 2021-02-10 13:24:08 -06:00
parent 84c6095fbf
commit 0ac65c87b8
1 changed files with 1 additions and 1 deletions
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2
MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
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@ -1396,7 +1396,6 @@ void MVKPhysicalDevice::initMetalFeatures() {
_metalFeatures.multisampleArrayTextures = true;
_metalFeatures.events = true;
_metalFeatures.textureBuffers = true;
_metalFeatures.simdPermute = true;
}
if (supportsMTLFeatureSet(macOS_GPUFamily2_v1)) {
@ -1404,6 +1403,7 @@ void MVKPhysicalDevice::initMetalFeatures() {
_metalFeatures.stencilFeedback = true;
_metalFeatures.depthResolve = true;
_metalFeatures.stencilResolve = true;
_metalFeatures.simdPermute = true;
_metalFeatures.quadPermute = true;
_metalFeatures.simdReduction = true;
}