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- hook up VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT

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This commit is contained in:
Magnus Norddahl 2019-03-25 21:30:03 +01:00
commit 1c9bf262e6
2 changed files with 12 additions and 3 deletions
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9
src/rendering/vulkan/system/vk_device.cpp
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@ -32,6 +32,7 @@
#include <array>
#include <set>
#include <string>
#include <algorithm>
#include "vk_device.h"
#include "vk_swapchain.h"
@ -215,10 +216,16 @@ void VulkanDevice::SelectPhysicalDevice()
transferFamily = SupportedDevices[selected].transferFamily;
}
bool VulkanDevice::SupportsDeviceExtension(const char *ext) const
{
return std::find(EnabledDeviceExtensions.begin(), EnabledDeviceExtensions.end(), ext) != EnabledDeviceExtensions.end();
}
void VulkanDevice::CreateAllocator()
{
VmaAllocatorCreateInfo allocinfo = {};
// allocinfo.flags = VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT; // To do: enable this for better performance
if (SupportsDeviceExtension(VK_KHR_DEDICATED_ALLOCATION_EXTENSION_NAME) && SupportsDeviceExtension(VK_KHR_GET_MEMORY_REQUIREMENTS_2_EXTENSION_NAME))
allocinfo.flags = VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT;
allocinfo.physicalDevice = PhysicalDevice.Device;
allocinfo.device = device;
allocinfo.preferredLargeHeapBlockSize = 64 * 1024 * 1024;