+/**************************************************************************
+ *
+ * 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
-/* NOTE: there is no public EGLScreen type, we refers to screens with
- * an integer.
- */
+#include "egltypedefs.h"
-struct _egl_screen
-{
- EGLScreenMESA Handle; /* The public/opaque handle which names this object */
- _EGLMode *CurrentMode;
- _EGLSurface *CurrentSurface;
- EGLint OriginX, OriginY;
+#ifdef EGL_MESA_screen_surface
- EGLint NumModes;
- _EGLMode *Modes; /* array [NumModes] */
-};
+#define _EGL_SCREEN_MAX_MODES 16
-extern void
-_eglInitScreen(_EGLScreen *screen);
+/**
+ * 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;
-extern _EGLScreen *
-_eglLookupScreen(EGLDisplay dpy, EGLScreenMESA screen);
+ EGLScreenMESA Handle; /* The public/opaque handle which names this object */
+ _EGLMode *CurrentMode;
+ _EGLSurface *CurrentSurface;
-extern void
-_eglAddScreen(_EGLDisplay *display, _EGLScreen *screen);
+ 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 EGLBoolean
-_eglGetScreensMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA *screens, EGLint max_screens, EGLint *num_screens);
+PUBLIC void
+_eglInitScreen(_EGLScreen *screen, _EGLDisplay *dpy, EGLint num_modes);
-extern EGLSurface
-_eglInitScreenSurface(_EGLSurface *surf, _EGLDriver *drv, EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
-
-extern EGLSurface
-_eglCreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
+PUBLIC EGLScreenMESA
+_eglLinkScreen(_EGLScreen *screen);
-extern EGLBoolean
-_eglShowSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLSurface surface, EGLModeMESA mode);
+extern _EGLScreen *
+_eglLookupScreen(EGLScreenMESA screen, _EGLDisplay *dpy);
-extern EGLBoolean
-_eglScreenModeMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA mode);
+/**
+ * Return the handle of a linked screen.
+ */
+static INLINE EGLScreenMESA
+_eglGetScreenHandle(_EGLScreen *screen)
+{
+ return (screen) ? screen->Handle : (EGLScreenMESA) 0;
+}
extern EGLBoolean
-_eglScreenPositionMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLint x, EGLint y);
+_eglGetScreensMESA(_EGLDriver *drv, _EGLDisplay *dpy, EGLScreenMESA *screens, EGLint max_screens, EGLint *num_screens);
extern EGLBoolean
-_eglQueryDisplayMESA(_EGLDriver *drv, EGLDisplay dpy, EGLint attribute, EGLint *value);
+_eglScreenPositionMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, EGLint x, EGLint y);
extern EGLBoolean
-_eglQueryScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy,
- EGLScreenMESA screen, EGLSurface *surface);
+_eglQueryScreenSurfaceMESA(_EGLDriver *drv, _EGLDisplay *dpy,
+ _EGLScreen *scrn, _EGLSurface **surface);
extern EGLBoolean
-_eglQueryScreenModeMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *mode);
+_eglQueryScreenModeMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, _EGLMode **m);
extern EGLBoolean
-_eglQueryScreenMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLint attribute, EGLint *value);
-
-
-extern void
-_eglDestroyScreenModes(_EGLScreen *scrn);
+_eglQueryScreenMESA(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *scrn, EGLint attribute, EGLint *value);
-extern void
-_eglDestroyScreen(_EGLScreen *scrn);
+#endif /* EGL_MESA_screen_surface */
#endif /* EGLSCREEN_INCLUDED */
projects / mesa.git / blobdiff