src/gallium/state_trackers/vdpau/device.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 Younes Manton.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include <vdpau/vdpau_x11.h>
  29 #include <pipe/p_compiler.h>
  30 #include <vl_winsys.h>
  31 #include <util/u_memory.h>
  32 #include "vdpau_private.h"
  33
  34 VdpDeviceCreateX11 vdp_imp_device_create_x11;
  35
  36 PUBLIC VdpStatus
  37 vdp_imp_device_create_x11(Display *display, int screen, VdpDevice *device, VdpGetProcAddress **get_proc_address)
  38 {
  39    VdpStatus    ret;
  40    vlVdpDevice *dev;
  41
  42    if (!(display && device && get_proc_address))
  43       return VDP_STATUS_INVALID_POINTER;
  44
  45    if (!vlCreateHTAB()) {
  46       ret = VDP_STATUS_RESOURCES;
  47       goto no_htab;
  48    }
  49
  50    dev = CALLOC(1, sizeof(vlVdpDevice));
  51    if (!dev) {
  52       ret = VDP_STATUS_RESOURCES;
  53       goto no_dev;
  54    }
  55
  56    *device = vlAddDataHTAB(dev);
  57    if (*device == 0) {
  58       ret = VDP_STATUS_ERROR;
  59       goto no_handle;
  60    }
  61
  62    *get_proc_address = &vlVdpGetProcAddress;
  63
  64    return VDP_STATUS_OK;
  65
  66 no_handle:
  67    FREE(dev);
  68 no_dev:
  69    vlDestroyHTAB();
  70 no_htab:
  71    return ret;
  72 }
  73
  74 VdpStatus vlVdpDeviceDestroy(VdpDevice device)
  75 {
  76    vlVdpDevice *dev = vlGetDataHTAB(device);
  77    if (!dev)
  78       return VDP_STATUS_INVALID_HANDLE;
  79    FREE(dev);
  80    vlDestroyHTAB();
  81
  82    return VDP_STATUS_OK;
  83 }
  84
  85 VdpStatus vlVdpGetProcAddress(VdpDevice device, VdpFuncId function_id, void **function_pointer)
  86 {
  87    vlVdpDevice *dev = vlGetDataHTAB(device);
  88    if (!dev)
  89       return VDP_STATUS_INVALID_HANDLE;
  90
  91    if (!function_pointer)
  92       return VDP_STATUS_INVALID_POINTER;
  93
  94    if (!vlGetFuncFTAB(function_id, function_pointer))
  95       return VDP_STATUS_INVALID_FUNC_ID;
  96
  97    return VDP_STATUS_OK;
  98 }