Method ChooseVulkanDevice

src/client/front_render/vulkan/pl_vulkan.cpp:303–384

    }

    bool PlVulkan::ChooseVulkanDevice(uintptr_t game_view_ptr, PDECODER_PARAMETERS params, bool hdrOutputRequired)
    {
        /*
        * 暂时不用支持HDR输出
        * HDR（High Dynamic Range，高动态范围）输出是音视频领域的一项重要技术，它通过扩展亮度和色彩范围，带来更加逼真和沉浸式的视觉体验。
        */
        hdrOutputRequired = false;

        uint32_t physicalDeviceCount = 0;
        fn_vkEnumeratePhysicalDevices(m_PlVkInstance->instance, &physicalDeviceCount, nullptr);
        std::vector<VkPhysicalDevice> physicalDevices(physicalDeviceCount);
        fn_vkEnumeratePhysicalDevices(m_PlVkInstance->instance, &physicalDeviceCount, physicalDevices.data());

        std::set<uint32_t> devicesTried;
        VkPhysicalDeviceProperties deviceProps;

        if (physicalDeviceCount == 0) {
            LOGE("No Vulkan devices found!");
            return false;
        }

        // First, try the first device in the list to support device selection layers
        // that put the user's preferred GPU in the first slot.
        fn_vkGetPhysicalDeviceProperties(physicalDevices[0], &deviceProps);
        if (tryInitializeDevice(game_view_ptr, physicalDevices[0], &deviceProps, params, hdrOutputRequired)) {
            return true;
        }
        devicesTried.emplace(0);

        // Next, we'll try to match an integrated GPU, since we want to minimize
        // power consumption and inter-GPU copies.
        for (uint32_t i = 0; i < physicalDeviceCount; i++) {
            // Skip devices we've already tried
            if (devicesTried.find(i) != devicesTried.end()) {
                continue;
            }

            VkPhysicalDeviceProperties deviceProps;
            fn_vkGetPhysicalDeviceProperties(physicalDevices[i], &deviceProps);
            if (deviceProps.deviceType == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU) {
                if (tryInitializeDevice(game_view_ptr, physicalDevices[i], &deviceProps, params, hdrOutputRequired)) {
                    return true;
                }
                devicesTried.emplace(i);
            }
        }

        // Next, we'll try to match a discrete GPU.
        for (uint32_t i = 0; i < physicalDeviceCount; i++) {
            // Skip devices we've already tried
            if (devicesTried.find(i) != devicesTried.end()) {
                continue;
            }

            VkPhysicalDeviceProperties deviceProps;
            fn_vkGetPhysicalDeviceProperties(physicalDevices[i], &deviceProps);
            if (deviceProps.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) {
                if (tryInitializeDevice(game_view_ptr, physicalDevices[i], &deviceProps, params, hdrOutputRequired)) {