SelectPhysicalDevice()

bool Spices::VulkanDevice::SelectPhysicalDevice ( const VkInstance & instance, const VkSurfaceKHR & surface, GLFWwindow * window )

private

select a suitable physical device.

Parameters

[in]	instance	VkInstance.
[in]	surface	VkSurfaceKHR.
[in]	window	The row pointer of GLFW window.

Returns

Returns true if select one successfully.

Todo

multiple physical device support.

Get all physical device num this computer.

This software requires there must be at least one physical device.

@breif Get all physical device this computer.

Iter all physical and select one suitable.

All this condition need satisfied.

Set Selected physical device.

Query physicaldevice's SwapChainSupport.

Get all physical device num this computer.

This software requires there must be at least one physical device.

@breif Get all physical device this computer.

Iter all physical and select one suitable.

All this condition need satisfied.

Set Selected physical device.

Query physicaldevice's SwapChainSupport.

Definition at line 296 of file VulkanDevice.cpp.

    {
        SPICES_PROFILE_ZONE;
 
        uint32_t deviceCount = 0;
        vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
 
        if (deviceCount == 0) 
        {
            SPICES_CORE_WARN("Failed to find GPUs with Vulkan support!")
            return false;
        }
 
        std::vector<VkPhysicalDevice> PhysicalDevices(deviceCount);
        vkEnumeratePhysicalDevices(instance, &deviceCount, PhysicalDevices.data());
 
        for (const auto& physicalDevice : PhysicalDevices) 
        {
            if (IsExtensionMeetDemand(physicalDevice) && 
                IsPropertyMeetDemand(physicalDevice) &&
                IsFeatureMeetDemand(physicalDevice) && 
                IsQueueMeetDemand(physicalDevice, surface)
                )
            {
                m_VulkanState.m_PhysicalDevice = physicalDevice;
 
                m_SwapChainSupportDetails = QuerySwapChainSupport(physicalDevice, surface, window);
 
                SPICES_CORE_INFO("VkPhysicalDevice Selected!!!")
                return true;
            }
        }
 
        return false;
    }