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

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #include "util/u_debug.h"
  26 #include "util/u_memory.h"
  27 #include "util/u_string.h"
  28 #include "egllog.h"
  29
  30 #include "native_x11.h"
  31
  32 static const struct native_event_handler *x11_event_handler;
  33
  34 static struct native_display *
  35 native_create_display(void *dpy, boolean use_sw)
  36 {
  37    struct native_display *ndpy = NULL;
  38    boolean force_sw;
  39
  40    force_sw = debug_get_bool_option("EGL_SOFTWARE", FALSE);
  41
  42    if (force_sw || use_sw) {
  43       _eglLog(_EGL_INFO, "use software fallback");
  44       ndpy = x11_create_ximage_display((Display *) dpy, x11_event_handler);
  45    }
  46    else {
  47       ndpy = x11_create_dri2_display((Display *) dpy, x11_event_handler);
  48    }
  49
  50    return ndpy;
  51 }
  52
  53 static const struct native_platform x11_platform = {
  54    "X11", /* name */
  55    native_create_display
  56 };
  57
  58 const struct native_platform *
  59 native_get_x11_platform(const struct native_event_handler *event_handler)
  60 {
  61    x11_event_handler = event_handler;
  62    return &x11_platform;
  63 }