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df51574116
This adds api to be able to request that the window system allows a
given onscreen framebuffer to be resizable, and api to add and remove
resize handlers to be called whenever the framebuffer does actually
change size.
The new functions are:
cogl_onscreen_{get,set}_resizable()
cogl_onscreen_{add,remove}_resize_handler()
The examples cogl-hello and cogl-x11-foreign have been updated to use
the new api. To smoke test how Cogl updates the viewport automatically
in response to window resizes the cogl-hello test doesn't explicitly
respond to resize events by setting the viewport and cogl-x11-foreign
responds by setting a viewport that is offset by a quarter of the
window's width/height and half the width and height of the window.
Reviewed-by: Neil Roberts <neil@linux.intel.com>
(cherry picked from commit a1a8cc00bfa2cecaf1007aec5f3dd95dc07b1786)
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2011 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*
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*/
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#ifndef __COGL_DISPLAY_GLX_PRIVATE_H
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#define __COGL_DISPLAY_GLX_PRIVATE_H
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#include "cogl-object-private.h"
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typedef struct _CoglGLXCachedConfig
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{
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/* This will be -1 if there is no cached config in this slot */
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int depth;
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CoglBool found;
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GLXFBConfig fb_config;
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CoglBool can_mipmap;
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} CoglGLXCachedConfig;
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#define COGL_GLX_N_CACHED_CONFIGS 3
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typedef struct _CoglGLXDisplay
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{
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CoglGLXCachedConfig glx_cached_configs[COGL_GLX_N_CACHED_CONFIGS];
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CoglBool found_fbconfig;
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CoglBool fbconfig_has_rgba_visual;
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GLXFBConfig fbconfig;
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/* Single context for all wins */
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GLXContext glx_context;
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GLXWindow dummy_glxwin;
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Window dummy_xwin;
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CoglBool pending_swap_notify;
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CoglBool pending_resize_notify;
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} CoglGLXDisplay;
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#endif /* __COGL_DISPLAY_GLX_PRIVATE_H */
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