AuroraMiddleware/VulkanMemoryAllocator
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Fixed potential integer overflow in VmaAllocator_T::AllocateMemoryOfType when maxMemoryAllocationCount Vulkan limit has high value

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Fixes #300
This commit is contained in:
Adam Sawicki 2022-11-29 16:53:36 +01:00
parent 14469a5eea
commit 2606c0039f
1 changed files with 2 additions and 1 deletions
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include/vk_mem_alloc.h
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@ -14475,7 +14475,8 @@ VkResult VmaAllocator_T::AllocateMemoryOfType(
// Protection against creating each allocation as dedicated when we reach or exceed heap size/budget, // Protection against creating each allocation as dedicated when we reach or exceed heap size/budget,
// which can quickly deplete maxMemoryAllocationCount: Don't prefer dedicated allocations when above // which can quickly deplete maxMemoryAllocationCount: Don't prefer dedicated allocations when above
// 3/4 of the maximum allocation count. // 3/4 of the maximum allocation count.
if(m_DeviceMemoryCount.load() > m_PhysicalDeviceProperties.limits.maxMemoryAllocationCount * 3 / 4) if(m_PhysicalDeviceProperties.limits.maxMemoryAllocationCount < UINT32_MAX / 4 &&
m_DeviceMemoryCount.load() > m_PhysicalDeviceProperties.limits.maxMemoryAllocationCount * 3 / 4)
{ {
dedicatedPreferred = false; dedicatedPreferred = false;
} }