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MVKPhysicalDevice: Enable strictLines for Intel and NVIDIA.

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Both Intel and NV Vulkan drivers enable `strictLines`. My testing shows
in fact that AMD and Apple Silicon exhibit the non-strict-line behavior,
while Intel shows the strict-line behavior.
This commit is contained in:
Chip Davis 2020-10-19 17:56:30 -05:00
parent bc8bb0453f
commit 1aad3c3659
1 changed files with 3 additions and 1 deletions
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4
MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
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@ -1726,8 +1726,10 @@ void MVKPhysicalDevice::initLimits() {
_properties.limits.lineWidthRange[1] = 1;
_properties.limits.lineWidthGranularity = 1;
static const uint32_t kIntelVendorId = 0x8086;
static const uint32_t kNVVendorId = 0x10de;
_properties.limits.standardSampleLocations = VK_TRUE;
_properties.limits.strictLines = VK_FALSE;
_properties.limits.strictLines = _properties.vendorID == kIntelVendorId || _properties.vendorID == kNVVendorId;
VkExtent3D wgSize = mvkVkExtent3DFromMTLSize(_mtlDevice.maxThreadsPerThreadgroup);
_properties.limits.maxComputeWorkGroupSize[0] = wgSize.width;