/************************************************************************** * * Copyright 2008 VMware, Inc. * 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 "c99_compat.h" #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] */ }; extern void _eglInitScreen(_EGLScreen *screen, _EGLDisplay *dpy, EGLint num_modes); extern 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 */