Method check_and_set_wsi_platform

cube/cube.cpp:1327–1451

#endif

void Demo::check_and_set_wsi_platform() {
#if defined(VK_USE_PLATFORM_WAYLAND_KHR)
    if (wsi_platform == WsiPlatform::wayland || wsi_platform == WsiPlatform::auto_) {
        auto found = std::find_if(enabled_instance_extensions.begin(), enabled_instance_extensions.end(),
                                  [](const char *str) { return 0 == strcmp(str, VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME); });
        if (found != enabled_instance_extensions.end()) {
            const char *error_msg = init_wayland_connection();
            if (error_msg != NULL) {
                if (wsi_platform == WsiPlatform::wayland) {
                    fprintf(stderr, "%s\nExiting ...\n", error_msg);
                    fflush(stdout);
                    exit(1);
                }
            } else {
                wsi_platform = WsiPlatform::wayland;
                return;
            }
        }
    }
#endif
#if defined(VK_USE_PLATFORM_XCB_KHR)
    if (wsi_platform == WsiPlatform::xcb || wsi_platform == WsiPlatform::auto_) {
        auto found = std::find_if(enabled_instance_extensions.begin(), enabled_instance_extensions.end(),
                                  [](const char *str) { return 0 == strcmp(str, VK_KHR_XCB_SURFACE_EXTENSION_NAME); });
        if (found != enabled_instance_extensions.end()) {
            const char *error_msg = init_xcb_connection();
            if (error_msg != NULL) {
                if (wsi_platform == WsiPlatform::xcb) {
                    fprintf(stderr, "%s\nExiting ...\n", error_msg);
                    fflush(stdout);
                    exit(1);
                }
            } else {
                wsi_platform = WsiPlatform::xcb;
                return;
            }
        }
    }
#endif
#if defined(VK_USE_PLATFORM_XLIB_KHR)
    if (wsi_platform == WsiPlatform::xlib || wsi_platform == WsiPlatform::auto_) {
        auto found = std::find_if(enabled_instance_extensions.begin(), enabled_instance_extensions.end(),
                                  [](const char *str) { return 0 == strcmp(str, VK_KHR_XLIB_SURFACE_EXTENSION_NAME); });
        if (found != enabled_instance_extensions.end()) {
            const char *error_msg = init_xlib_connection();
            if (error_msg != NULL) {
                if (wsi_platform == WsiPlatform::xlib) {
                    fprintf(stderr, "%s\nExiting ...\n", error_msg);
                    fflush(stdout);
                    exit(1);
                }
            } else {
                wsi_platform = WsiPlatform::xlib;
                return;
            }
        }
    }
#endif