C++ (Cpp) IDisplayDevice::initialize Exemples

Exemple #1

Fichier : Hwcomposer.cpp Projet : yutokt/android_vendor_intel

bool Hwcomposer::initialize()
{
    int err;
    log.d("initialize");

    // open frame buffer device
    hw_module_t const* module;
    err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
    if (err) {
        log.e("Hwcomposer::initialize: failed to load gralloc module, %d", err);
        return false;
    }

    IMG_gralloc_module_public_t *imgGrallocModule;
    imgGrallocModule = (IMG_gralloc_module_public_t*)module;

    // open frame buffer device
    err = framebuffer_open(module, (framebuffer_device_t**)&mFBDev);
    if (err) {
        log.e("Hwcomposer::initialize: failed to open frame buffer device, %d",
              err);
        return false;
    }

    mFBDev->bBypassPost = 1;

    // create display plane manager
    mPlaneManager = createDisplayPlaneManager();
    if (!mPlaneManager || !mPlaneManager->initialize()) {
        log.e("initialize: failed to create display plane manager");
        goto dpm_create_err;
    }

    // create display device
    for (int i = 0; i < IDisplayDevice::DEVICE_COUNT; i++) {
        IDisplayDevice *device = createDisplayDevice(i, *mPlaneManager);
        if (!device || !device->initialize()) {
            log.e("initialize: failed to create device %d", i);
            continue;
        }
        // add this device
        mDisplayDevices.insertAt(device, i, 1);
    }

    mInitialized = true;
    return true;
device_create_err:
    for (size_t i = 0; i < mDisplayDevices.size(); i++) {
        IDisplayDevice *device = mDisplayDevices.itemAt(i);
        delete device;
    }
dpm_create_err:
    framebuffer_close((framebuffer_device_t*)mFBDev);
    mInitialized = false;
    return false;
}