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Merge pull request #27 from danginsburg/memory_heap_size

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Use MTLDevice recommendedMaxWorkingSetSize to set the heap size rathe…
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Bill Hollings 2018-01-23 18:51:25 -05:00 committed by GitHub
commit 6753d90ac4
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1 changed files with 5 additions and 1 deletions
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6
MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
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@ -840,10 +840,14 @@ void MVKPhysicalDevice::initMemoryProperties() {
// - cmdbuff waitUntilCompleted (or completion handler)
// - buffer/texture getBytes:
// TODO: determine correct values - particularly heap size
_memoryProperties.memoryHeapCount = 1;
_memoryProperties.memoryHeaps[0].flags = (VK_MEMORY_HEAP_DEVICE_LOCAL_BIT);
#if MVK_MACOS
_memoryProperties.memoryHeaps[0].size = (VkDeviceSize)[_mtlDevice recommendedMaxWorkingSetSize];
#else
// TODO: determine heap size on iOS where recommenedMaxWorkingSetSize does not exist.
_memoryProperties.memoryHeaps[0].size = 0;
#endif
_memoryProperties.memoryTypes[0].heapIndex = 0;
_memoryProperties.memoryTypes[0].propertyFlags = MVK_VK_MEMORY_TYPE_METAL_PRIVATE; // Private storage