eden-emu/VulkanMemoryAllocator
15
0
Fork 0
mirror of https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git synced 2025-05-29 07:59:17 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

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

Browse source 
Fixes
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

3
include/vk_mem_alloc.h
View file

@ -14475,7 +14475,8 @@ VkResult VmaAllocator_T::AllocateMemoryOfType(
// 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
// 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;
}