Exemplos de acquire_back_buffer em C++ (Cpp)

Exemplo n.º 1

Arquivo: ShellAndroid.cpp Projeto: AdamRLukaitis/VulkanSamples

void ShellAndroid::run()
{
    PosixTimer timer;

    double current_time = timer.get();

    while (true) {
        struct android_poll_source *source;
        while (true) {
            int timeout = (settings_.animate && app_.window) ? 0 : -1;
            if (ALooper_pollAll(timeout, nullptr, nullptr,
                    reinterpret_cast<void **>(&source)) < 0)
                break;

            if (source)
                source->process(&app_, source);
        }

        if (app_.destroyRequested)
            break;

        if (!app_.window)
            continue;

        acquire_back_buffer();

        double t = timer.get();
        add_game_time(static_cast<float>(t - current_time));

        present_back_buffer();

        current_time = t;
    }
}

Exemplo n.º 2

Arquivo: ShellXcb.cpp Projeto: Nekotekina/Vulkan-LoaderAndValidationLayers

void ShellXcb::loop_wait() {
    while (true) {
        xcb_generic_event_t *ev = xcb_wait_for_event(c_);
        if (!ev) continue;

        handle_event(ev);
        free(ev);

        if (quit_) break;

        acquire_back_buffer();
        present_back_buffer();
    }
}

Exemplo n.º 3

Arquivo: ShellXcb.cpp Projeto: AdamRLukaitis/VulkanSamples

void ShellXcb::loop_poll()
{
    PosixTimer timer;

    double current_time = timer.get();
    double profile_start_time = current_time;
    int profile_present_count = 0;

    while (true) {
        // handle pending events
        while (true) {
            xcb_generic_event_t *ev = xcb_poll_for_event(c_);
            if (!ev)
                break;

            handle_event(ev);
            free(ev);
        }

        if (quit_)
            break;

        acquire_back_buffer();

        double t = timer.get();
        add_game_time(static_cast<float>(t - current_time));

        present_back_buffer();

        current_time = t;

        profile_present_count++;
        if (current_time - profile_start_time >= 5.0) {
            const double fps = profile_present_count / (current_time - profile_start_time);
            std::stringstream ss;
            ss << profile_present_count << " presents in " <<
                  current_time - profile_start_time << " seconds " <<
                  "(FPS: " << fps << ")";
            log(LOG_INFO, ss.str().c_str());

            profile_start_time = current_time;
            profile_present_count = 0;
        }
    }
}

Exemplo n.º 4

Arquivo: ShellWin32.cpp Projeto: KhronosGroup/Vulkan-LoaderAndValidationLayers

void ShellWin32::run()
{
    create_window();

    create_context();
    resize_swapchain(settings_.initial_width, settings_.initial_height);

    Win32Timer timer;
    double current_time = timer.get();

    while (true) {
        bool quit = false;

        assert(settings_.animate);

        // process all messages
        MSG msg;
        while (PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE)) {
            if (msg.message == WM_QUIT) {
                quit = true;
                break;
            }

            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }

        if (quit)
            break;

        acquire_back_buffer();

        double t = timer.get();
        add_game_time(static_cast<float>(t - current_time));

        present_back_buffer();

        current_time = t;
    }

    destroy_context();

    DestroyWindow(hwnd_);
}