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      1 /**************************************************************************
      2  *
      3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
      4  * Copyright 2009-2010 Chia-I Wu <olvaffe (at) gmail.com>
      5  * Copyright 2010 LunarG, Inc.
      6  * All Rights Reserved.
      7  *
      8  * Permission is hereby granted, free of charge, to any person obtaining a
      9  * copy of this software and associated documentation files (the
     10  * "Software"), to deal in the Software without restriction, including
     11  * without limitation the rights to use, copy, modify, merge, publish,
     12  * distribute, sub license, and/or sell copies of the Software, and to
     13  * permit persons to whom the Software is furnished to do so, subject to
     14  * the following conditions:
     15  *
     16  * The above copyright notice and this permission notice (including the
     17  * next paragraph) shall be included in all copies or substantial portions
     18  * of the Software.
     19  *
     20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     23  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     24  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     25  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     26  * DEALINGS IN THE SOFTWARE.
     27  *
     28  **************************************************************************/
     29 
     30 
     31 #ifndef EGLMODE_INCLUDED
     32 #define EGLMODE_INCLUDED
     33 
     34 #include "egltypedefs.h"
     35 
     36 
     37 #ifdef EGL_MESA_screen_surface
     38 
     39 
     40 #define EGL_NO_MODE_MESA 0
     41 
     42 
     43 /**
     44  * Data structure which corresponds to an EGLModeMESA.
     45  */
     46 struct _egl_mode
     47 {
     48    EGLModeMESA Handle;     /* the public/opaque handle which names this mode */
     49    EGLint Width, Height;   /* size in pixels */
     50    EGLint RefreshRate;     /* rate * 1000.0 */
     51    EGLint Optimal;
     52    EGLint Interlaced;
     53    const char *Name;
     54 
     55    /* Other possible attributes */
     56    /* interlaced */
     57    /* external sync */
     58 };
     59 
     60 
     61 extern _EGLMode *
     62 _eglLookupMode(EGLModeMESA mode, _EGLDisplay *dpy);
     63 
     64 
     65 extern EGLBoolean
     66 _eglChooseModeMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn,
     67                    const EGLint *attrib_list, EGLModeMESA *modes,
     68                    EGLint modes_size, EGLint *num_modes);
     69 
     70 
     71 extern EGLBoolean
     72 _eglGetModesMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn,
     73                  EGLModeMESA *modes, EGLint modes_size, EGLint *num_modes);
     74 
     75 
     76 extern EGLBoolean
     77 _eglGetModeAttribMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLMode *m,
     78                       EGLint attribute, EGLint *value);
     79 
     80 
     81 extern const char *
     82 _eglQueryModeStringMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLMode *m);
     83 
     84 
     85 #endif /* EGL_MESA_screen_surface */
     86 
     87 
     88 #endif /* EGLMODE_INCLUDED */
     89