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Merge pull request #336 from cdavis5e/no-optimal-shared-mac

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MVKImage: Don't say shared memory is allowed on Mac.
This commit is contained in:
Bill Hollings 2018-11-06 15:48:35 -05:00 committed by GitHub
commit 8a807b7c47
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3 changed files with 20 additions and 6 deletions
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7
MoltenVK/MoltenVK/GPUObjects/MVKDevice.h
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@ -217,6 +217,12 @@ public:
*/
inline uint32_t getHostVisibleMemoryTypes() { return _hostVisibleMemoryTypes; }
/**
* Returns a bit mask of all memory type indices that are coherent between host and device.
* Each bit [0..31] in the returned bit mask indicates a distinct memory type.
*/
inline uint32_t getHostCoherentMemoryTypes() { return _hostCoherentMemoryTypes; }
/**
* Returns a bit mask of all memory type indices that do NOT allow host visibility to the memory.
* Each bit [0..31] in the returned bit mask indicates a distinct memory type.
@ -277,6 +283,7 @@ protected:
std::vector<MVKQueueFamily*> _queueFamilies;
uint32_t _allMemoryTypes;
uint32_t _hostVisibleMemoryTypes;
uint32_t _hostCoherentMemoryTypes;
uint32_t _privateMemoryTypes;
};

2
MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
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@ -1092,12 +1092,14 @@ void MVKPhysicalDevice::initMemoryProperties() {
#if MVK_MACOS
_memoryProperties.memoryTypeCount = 3;
_privateMemoryTypes = 0x1; // Private only
_hostCoherentMemoryTypes = 0x4; // Shared only
_hostVisibleMemoryTypes = 0x6; // Shared & managed
_allMemoryTypes = 0x7; // Private, shared, & managed
#endif
#if MVK_IOS
_memoryProperties.memoryTypeCount = 2; // Managed storage not available on iOS
_privateMemoryTypes = 0x1; // Private only
_hostCoherentMemoryTypes = 0x2; // Shared only
_hostVisibleMemoryTypes = 0x2; // Shared only
_allMemoryTypes = 0x3; // Private & shared
#endif

5
MoltenVK/MoltenVK/GPUObjects/MVKImage.mm
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@ -149,6 +149,11 @@ VkResult MVKImage::getMemoryRequirements(VkMemoryRequirements* pMemoryRequiremen
pMemoryRequirements->memoryTypeBits = (_isDepthStencilAttachment
? _device->getPhysicalDevice()->getPrivateMemoryTypes()
: _device->getPhysicalDevice()->getAllMemoryTypes());
#if MVK_MACOS
if (!_isLinear) { // XXX Linear images must support host-coherent memory
mvkDisableFlag(pMemoryRequirements->memoryTypeBits, _device->getPhysicalDevice()->getHostCoherentMemoryTypes());
}
#endif
return VK_SUCCESS;
}