1 /**************************************************************************
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
30 * X-specific EGL code.
32 * Any glue code needed to make EGL work with X is placed in this file.
41 #include "egldriver.h"
43 #include "eglstring.h"
47 static const char *DefaultGLXDriver
= "egl_glx";
48 static const char *DefaultSoftDriver
= "egl_softpipe";
52 * Given an X Display ptr (at dpy->Xdpy) try to determine the appropriate
53 * device driver. Return its name.
55 * This boils down to whether to use the egl_glx.so driver which will
56 * load a DRI driver or the egl_softpipe.so driver that'll do software
60 _xeglChooseDriver(_EGLDisplay
*dpy
)
62 #ifdef _EGL_PLATFORM_X
65 const char *driverName
;
70 dpy
->Xdpy
= XOpenDisplay(NULL
);
72 /* can't open X display -> can't use X-based driver */
76 xdpy
= (_XPrivDisplay
) dpy
->Xdpy
;
80 screen
= DefaultScreen(dpy
->Xdpy
);
82 /* See if we can choose a DRI/DRM driver */
83 driverName
= _eglChooseDRMDriver(screen
);
85 free((void *) driverName
);
86 driverName
= _eglstrdup(DefaultGLXDriver
);
89 driverName
= _eglstrdup(DefaultSoftDriver
);
92 _eglLog(_EGL_DEBUG
, "_xeglChooseDriver: %s", driverName
);