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Added usage of VK_KHR_dedicated_allocation extension.

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This commit is contained in:
Adam Sawicki 2018-03-13 16:37:54 +01:00
parent b8333fb925
commit 6cc5e859ea
1 changed files with 33 additions and 1 deletions
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34
src/VulkanSample.cpp
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@ -43,6 +43,9 @@ VkDevice g_hDevice;
VmaAllocator g_hAllocator;
bool g_MemoryAliasingWarningEnabled = true;
static bool VK_KHR_get_memory_requirements2_enabled = false;
static bool VK_KHR_dedicated_allocation_enabled = false;
static HINSTANCE g_hAppInstance;
static HWND g_hWnd;
static LONG g_SizeX = 1280, g_SizeY = 720;
@ -1208,14 +1211,39 @@ static void InitializeApplication()
deviceFeatures.fillModeNonSolid = VK_TRUE;
deviceFeatures.samplerAnisotropy = VK_TRUE;
// Determine list of device extensions to enable.
std::vector<const char*> enabledDeviceExtensions;
enabledDeviceExtensions.push_back(VK_KHR_SWAPCHAIN_EXTENSION_NAME);
{
uint32_t propertyCount = 0;
ERR_GUARD_VULKAN( vkEnumerateDeviceExtensionProperties(g_hPhysicalDevice, nullptr, &propertyCount, nullptr) );
if(propertyCount)
{
std::vector<VkExtensionProperties> properties{propertyCount};
ERR_GUARD_VULKAN( vkEnumerateDeviceExtensionProperties(g_hPhysicalDevice, nullptr, &propertyCount, properties.data()) );
for(uint32_t i = 0; i < propertyCount; ++i)
{
if(strcmp(properties[i].extensionName, VK_KHR_GET_MEMORY_REQUIREMENTS_2_EXTENSION_NAME) == 0)
{
enabledDeviceExtensions.push_back(VK_KHR_GET_MEMORY_REQUIREMENTS_2_EXTENSION_NAME);
VK_KHR_get_memory_requirements2_enabled = true;
}
else if(strcmp(properties[i].extensionName, VK_KHR_DEDICATED_ALLOCATION_EXTENSION_NAME) == 0)
{
enabledDeviceExtensions.push_back(VK_KHR_DEDICATED_ALLOCATION_EXTENSION_NAME);
VK_KHR_dedicated_allocation_enabled = true;
}
}
}
}
VkDeviceCreateInfo deviceCreateInfo = { VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO };
deviceCreateInfo.enabledLayerCount = 0;
deviceCreateInfo.ppEnabledLayerNames = nullptr;
deviceCreateInfo.enabledExtensionCount = (uint32_t)enabledDeviceExtensions.size();
deviceCreateInfo.ppEnabledExtensionNames = enabledDeviceExtensions.data();
deviceCreateInfo.ppEnabledExtensionNames = !enabledDeviceExtensions.empty() ? enabledDeviceExtensions.data() : nullptr;
deviceCreateInfo.queueCreateInfoCount = g_PresentQueueFamilyIndex != g_GraphicsQueueFamilyIndex ? 2 : 1;
deviceCreateInfo.pQueueCreateInfos = deviceQueueCreateInfo;
deviceCreateInfo.pEnabledFeatures = &deviceFeatures;
@ -1227,6 +1255,10 @@ static void InitializeApplication()
VmaAllocatorCreateInfo allocatorInfo = {};
allocatorInfo.physicalDevice = g_hPhysicalDevice;
allocatorInfo.device = g_hDevice;
if(VK_KHR_dedicated_allocation_enabled)
{
allocatorInfo.flags |= VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT;
}
ERR_GUARD_VULKAN( vmaCreateAllocator(&allocatorInfo, &g_hAllocator) );
// Retrieve queue (doesn't need to be destroyed)