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      1 /*
      2  * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the
      6  * "Software"), to deal in the Software without restriction, including
      7  * without limitation the rights to use, copy, modify, merge, publish,
      8  * distribute, sub license, and/or sell copies of the Software, and to
      9  * permit persons to whom the Software is furnished to do so, subject to
     10  * the following conditions:
     11  *
     12  * The above copyright notice and this permission notice (including the
     13  * next paragraph) shall be included in all copies or substantial portions
     14  * of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     19  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
     20  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     21  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     22  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     23  */
     24 
     25 #include <stdio.h>
     26 #include <unistd.h>
     27 #include <fcntl.h>
     28 #ifdef IN_LIBVA
     29 # include "va/drm/va_drm.h"
     30 #else
     31 # include <va/va_drm.h>
     32 #endif
     33 #include "va_display.h"
     34 
     35 static int drm_fd = -1;
     36 
     37 static VADisplay
     38 va_open_display_drm(void)
     39 {
     40     drm_fd = open("/dev/dri/card0", O_RDWR);
     41     if (drm_fd < 0) {
     42         fprintf(stderr, "error: can't open DRM connection!\n");
     43         return NULL;
     44     }
     45     return vaGetDisplayDRM(drm_fd);
     46 }
     47 
     48 static void
     49 va_close_display_drm(VADisplay va_dpy)
     50 {
     51     if (drm_fd < 0)
     52         return;
     53 
     54     close(drm_fd);
     55     drm_fd = -1;
     56 }
     57 
     58 
     59 static VAStatus
     60 va_put_surface_drm(
     61     VADisplay          va_dpy,
     62     VASurfaceID        surface,
     63     const VARectangle *src_rect,
     64     const VARectangle *dst_rect
     65 )
     66 {
     67     return VA_STATUS_ERROR_OPERATION_FAILED;
     68 }
     69 
     70 const VADisplayHooks va_display_hooks_drm = {
     71     "drm",
     72     va_open_display_drm,
     73     va_close_display_drm,
     74     va_put_surface_drm,
     75 };
     76