diff options
Diffstat (limited to 'src/tdm_fbdev.c')
| -rw-r--r-- | src/tdm_fbdev.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/src/tdm_fbdev.c b/src/tdm_fbdev.c index 6938c08..ed329e8 100644 --- a/src/tdm_fbdev.c +++ b/src/tdm_fbdev.c @@ -66,52 +66,6 @@ _tdm_fbdev_init_internal(void) vinfo->transp.offset = 0; vinfo->transp.length = 0; - /* - * Almost all framebuffers support off screen rendering. - * The code bellow requests Framebuffer to allocate memory equals to three - * buffers each of which width*height size. While the first drawn - * framebuffer's area is displaying the second or the third is redrawing - * or compositing by some application. When timer was expired or vblank - * was received Framebufer's areas swap, thus the second or the third is - * displaying and first is redrawing or compositing. Simple representation - * of what was said bellow - * - * SWAP Event SWAP Event - * | | - * +-------------+ | +-------------+ | +-------------+ - * | | | | | | | Redrawing | - * | Displaying | | | queued | | | or | - * | | | | | | | Compositing | - * +-------------+ | +-------------+ | +-------------+ - * | Redrawing | | | | | | | - * | or | +-------> | Displaying | +--------> | queued | - * | Compositing | | | | | | | - * +-------------+ | +-------------+ | +-------------+ - * | | | | Redrawing | | | | - * | queued | | | or | | | Displaying | - * | | | | Compositing | | | | - * +-------------+ | +-------------+ | +-------------+ - * | | - */ - /* - * TODO: Implement off screen rendering - */ - vinfo->yres_virtual = vinfo->yres * MAX_BUF; - - ret = ioctl(fbdev_data->fbdev_fd, FBIOPAN_DISPLAY, vinfo); - if(ret < 0) - { - TDM_INFO("page flip not supported, errno=%d", errno); - vinfo->yres_virtual = vinfo->yres; - } - - ret = ioctl(fbdev_data->fbdev_fd, FBIOPAN_DISPLAY, vinfo); - if(ret < 0) - { - TDM_ERR("FBIOPAN_DISPLAY ioctl failed, errno=%d", errno); - goto close_1; - } - ret = ioctl(fbdev_data->fbdev_fd, FBIOGET_FSCREENINFO, finfo); if (ret < 0) { |