Method create_display_surface

cube/cube.cpp:3610–3703

#if defined(VK_USE_PLATFORM_DISPLAY_KHR)

vk::Result Demo::create_display_surface() {
    auto display_properties_return = gpu.getDisplayPropertiesKHR();
    VERIFY((display_properties_return.result == vk::Result::eSuccess) ||
           (display_properties_return.result == vk::Result::eIncomplete));

    auto display = display_properties_return.value.at(0).display;

    auto display_mode_props_return = gpu.getDisplayModePropertiesKHR(display);
    VERIFY(display_mode_props_return.result == vk::Result::eSuccess);

    if (display_mode_props_return.value.size() == 0) {
        printf("Cannot find any mode for the display!\n");
        fflush(stdout);
        exit(1);
    }
    auto display_mode_prop = display_mode_props_return.value.at(0);

    // Get the list of planes
    auto display_plane_props_return = gpu.getDisplayPlanePropertiesKHR();
    VERIFY(display_plane_props_return.result == vk::Result::eSuccess);

    if (display_plane_props_return.value.size() == 0) {
        printf("Cannot find any plane!\n");
        fflush(stdout);
        exit(1);
    }
    auto display_plane_props = display_plane_props_return.value;

    vk::Bool32 found_plane = VK_FALSE;
    uint32_t plane_found = 0;
    // Find a plane compatible with the display
    for (uint32_t plane_index = 0; plane_index < display_plane_props.size(); plane_index++) {
        // Disqualify planes that are bound to a different display
        if (display_plane_props[plane_index].currentDisplay && (display_plane_props[plane_index].currentDisplay != display)) {
            continue;
        }

        auto display_plane_supported_displays_return = gpu.getDisplayPlaneSupportedDisplaysKHR(plane_index);
        VERIFY(display_plane_supported_displays_return.result == vk::Result::eSuccess);

        if (display_plane_supported_displays_return.value.size() == 0) {
            continue;
        }

        for (const auto &supported_display : display_plane_supported_displays_return.value) {
            if (supported_display == display) {
                found_plane = VK_TRUE;
                plane_found = plane_index;
                break;
            }
        }

        if (found_plane) {
            break;
        }
    }

    if (!found_plane) {