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/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
* Copyright 2010 LunarG, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef EGLSCREEN_INCLUDED
#define EGLSCREEN_INCLUDED
#include "egltypedefs.h"
#ifdef EGL_MESA_screen_surface
#define _EGL_SCREEN_MAX_MODES 16
/**
* Per-screen information.
* Note that an EGL screen doesn't have a size. A screen may be set to
* one of several display modes (width/height/scanrate). The screen
* then displays a drawing surface. The drawing surface must be at least
* as large as the display mode's resolution. If it's larger, the
* OriginX and OriginY fields control what part of the surface is visible
* on the screen.
*/
struct _egl_screen
{
_EGLDisplay *Display;
EGLScreenMESA Handle; /* The public/opaque handle which names this object */
_EGLMode *CurrentMode;
_EGLSurface *CurrentSurface;
EGLint OriginX, OriginY; /**< Origin of scan-out region w.r.t. surface */
EGLint StepX, StepY; /**< Screen position/origin granularity */
EGLint NumModes;
_EGLMode *Modes; /**< array [NumModes] */
};
PUBLIC void
_eglInitScreen(_EGLScreen *screen, _EGLDisplay *dpy, EGLint num_modes);
PUBLIC EGLScreenMESA
_eglLinkScreen(_EGLScreen *screen);
extern _EGLScreen *
_eglLookupScreen(EGLScreenMESA screen, _EGLDisplay *dpy);
/**
* Return the handle of a linked screen.
*/
static INLINE EGLScreenMESA
_eglGetScreenHandle(_EGLScreen *screen)
{
return (screen) ? screen->Handle : (EGLScreenMESA) 0;
}
extern EGLBoolean
_eglGetScreensMESA(_EGLDriver *drv, _EGLDisplay *dpy, EGLScreenMESA *screens, EGLint max_screens, EGLint *num_screens);
extern EGLBoolean
_eglScreenPositionMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, EGLint x, EGLint y);
extern EGLBoolean
_eglQueryScreenSurfaceMESA(_EGLDriver *drv, _EGLDisplay *dpy,
_EGLScreen *scrn, _EGLSurface **surface);
extern EGLBoolean
_eglQueryScreenModeMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, _EGLMode **m);
extern EGLBoolean
_eglQueryScreenMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, EGLint attribute, EGLint *value);
#endif /* EGL_MESA_screen_surface */
#endif /* EGLSCREEN_INCLUDED */
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