C++ (Cpp) adf_flip Examples

Example #1

File: graphics_adf.cpp Project: CarbonROM/android_bootable_recovery

static GRSurface* adf_init(minui_backend *backend)
{
    adf_pdata *pdata = (adf_pdata *)backend;
    adf_id_t *dev_ids = NULL;
    ssize_t n_dev_ids, i;
    GRSurface* ret;

#if defined(RECOVERY_ABGR)
    pdata->format = DRM_FORMAT_ABGR8888;
#elif defined(RECOVERY_BGRA)
    pdata->format = DRM_FORMAT_BGRA8888;
#elif defined(RECOVERY_RGBX)
    pdata->format = DRM_FORMAT_RGBX8888;
#else
    pdata->format = DRM_FORMAT_RGB565;
#endif

    n_dev_ids = adf_devices(&dev_ids);
    if (n_dev_ids == 0) {
        return NULL;
    } else if (n_dev_ids < 0) {
        fprintf(stderr, "enumerating adf devices failed: %s\n",
                strerror(-n_dev_ids));
        return NULL;
    }

    pdata->intf_fd = -1;

    for (i = 0; i < n_dev_ids && pdata->intf_fd < 0; i++) {
        adf_device dev;

        int err = adf_device_open(dev_ids[i], O_RDWR, &dev);
        if (err < 0) {
            fprintf(stderr, "opening adf device %u failed: %s\n", dev_ids[i],
                    strerror(-err));
            continue;
        }

        err = adf_device_init(pdata, &dev);
        if (err < 0)
            fprintf(stderr, "initializing adf device %u failed: %s\n",
                    dev_ids[i], strerror(-err));

        adf_device_close(&dev);
    }

    free(dev_ids);

    if (pdata->intf_fd < 0)
        return NULL;

    ret = adf_flip(backend);

    adf_blank(backend, true);
    adf_blank(backend, false);

    return ret;
}

Example #2

File: backend_adf.cpp Project: 18712886438/DualBootPatcher

static GRSurface* adf_init(minui_backend *backend)
{
    adf_pdata *pdata = (adf_pdata *)backend;
    adf_id_t *dev_ids = nullptr;
    ssize_t n_dev_ids, i;
    GRSurface* ret;

    if (tw_device.tw_pixel_format() == mb::device::TwPixelFormat::Abgr8888) {
        pdata->format = DRM_FORMAT_ABGR8888;
        printf("setting DRM_FORMAT_ABGR8888 and GGL_PIXEL_FORMAT_BGRA_8888, GGL_PIXEL_FORMAT may not match!\n");
    } else if (tw_device.tw_pixel_format() == mb::device::TwPixelFormat::Bgra8888) {
        pdata->format = DRM_FORMAT_BGRA8888;
        printf("setting DRM_FORMAT_BGRA8888 and GGL_PIXEL_FORMAT_BGRA_8888\n");
    } else if (tw_device.tw_pixel_format() == mb::device::TwPixelFormat::Rgba8888) {
        pdata->format = DRM_FORMAT_RGBA8888;
        printf("setting DRM_FORMAT_RGBA8888 and GGL_PIXEL_FORMAT_RGBA_8888\n");
    } else if (tw_device.tw_pixel_format() == mb::device::TwPixelFormat::Rgbx8888) {
        pdata->format = DRM_FORMAT_RGBX8888;
        printf("setting DRM_FORMAT_RGBX8888 and GGL_PIXEL_FORMAT_RGBX_8888\n");
    } else {
        pdata->format = DRM_FORMAT_RGB565;
        printf("setting DRM_FORMAT_RGB565 and GGL_PIXEL_FORMAT_RGB_565\n");
    }

    n_dev_ids = adf_devices(&dev_ids);
    if (n_dev_ids == 0) {
        return nullptr;
    } else if (n_dev_ids < 0) {
        fprintf(stderr, "enumerating adf devices failed: %s\n",
                strerror(-n_dev_ids));
        return nullptr;
    }

    pdata->intf_fd = -1;

    for (i = 0; i < n_dev_ids && pdata->intf_fd < 0; i++) {
        adf_device dev;

        int err = adf_device_open(dev_ids[i], O_RDWR, &dev);
        if (err < 0) {
            fprintf(stderr, "opening adf device %u failed: %s\n", dev_ids[i],
                    strerror(-err));
            continue;
        }

        err = adf_device_init(pdata, &dev);
        if (err < 0) {
            fprintf(stderr, "initializing adf device %u failed: %s\n",
                    dev_ids[i], strerror(-err));
        }

        adf_device_close(&dev);
    }

    free(dev_ids);

    if (pdata->intf_fd < 0) {
        return nullptr;
    }

    ret = adf_flip(backend);

    adf_blank(backend, true);
    adf_blank(backend, false);

    return ret;
}