src/gallium/state_trackers/egl/x11/native_x11.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  7.8
   4  *
   5  * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #include "util/u_debug.h"
  27 #include "util/u_memory.h"
  28 #include "util/u_string.h"
  29 #include "egllog.h"
  30
  31 #include "native_x11.h"
  32
  33 static struct native_display *
  34 native_create_display(void *dpy, struct native_event_handler *event_handler,
  35                       void *user_data)
  36 {
  37    struct native_display *ndpy = NULL;
  38    boolean force_sw;
  39
  40    force_sw = debug_get_bool_option("EGL_SOFTWARE", FALSE);
  41    if (!force_sw) {
  42       ndpy = x11_create_dri2_display((Display *) dpy,
  43             event_handler, user_data);
  44    }
  45
  46    if (!ndpy) {
  47       EGLint level = (force_sw) ? _EGL_INFO : _EGL_WARNING;
  48
  49       _eglLog(level, "use software fallback");
  50       ndpy = x11_create_ximage_display((Display *) dpy,
  51             event_handler, user_data);
  52    }
  53
  54    return ndpy;
  55 }
  56
  57 static const struct native_platform x11_platform = {
  58    "X11", /* name */
  59    native_create_display
  60 };
  61
  62 const struct native_platform *
  63 native_get_x11_platform(void)
  64 {
  65    return &x11_platform;
  66 }