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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)
100 lines
2.3 KiB
C
100 lines
2.3 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 <http://www.gnu.org/licenses/>.
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*
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*
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*/
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#ifndef __COGL_ONSCREEN_PRIVATE_H
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#define __COGL_ONSCREEN_PRIVATE_H
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#include "cogl-framebuffer-private.h"
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#include "cogl-queue.h"
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#include <glib.h>
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#ifdef COGL_HAS_WIN32_SUPPORT
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#include <windows.h>
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#endif
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typedef struct _CoglSwapBuffersNotifyEntry CoglSwapBuffersNotifyEntry;
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COGL_TAILQ_HEAD (CoglSwapBuffersNotifyList, CoglSwapBuffersNotifyEntry);
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struct _CoglSwapBuffersNotifyEntry
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{
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COGL_TAILQ_ENTRY (CoglSwapBuffersNotifyEntry) list_node;
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CoglSwapBuffersNotify callback;
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void *user_data;
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unsigned int id;
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};
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typedef struct _CoglResizeNotifyEntry CoglResizeNotifyEntry;
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COGL_TAILQ_HEAD (CoglResizeNotifyList, CoglResizeNotifyEntry);
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struct _CoglResizeNotifyEntry
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{
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COGL_TAILQ_ENTRY (CoglResizeNotifyEntry) list_node;
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CoglOnscreenResizeCallback callback;
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void *user_data;
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unsigned int id;
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};
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struct _CoglOnscreen
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{
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CoglFramebuffer _parent;
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#ifdef COGL_HAS_X11_SUPPORT
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uint32_t foreign_xid;
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CoglOnscreenX11MaskCallback foreign_update_mask_callback;
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void *foreign_update_mask_data;
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#endif
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#ifdef COGL_HAS_WIN32_SUPPORT
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HWND foreign_hwnd;
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#endif
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CoglBool swap_throttled;
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CoglSwapBuffersNotifyList swap_callbacks;
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CoglBool resizable;
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CoglResizeNotifyList resize_callbacks;
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void *winsys;
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};
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CoglOnscreen *
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_cogl_onscreen_new (void);
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void
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_cogl_framebuffer_winsys_update_size (CoglFramebuffer *framebuffer,
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int width, int height);
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void
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_cogl_onscreen_notify_swap_buffers (CoglOnscreen *onscreen);
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void
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_cogl_onscreen_notify_resize (CoglOnscreen *onscreen);
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#endif /* __COGL_ONSCREEN_PRIVATE_H */
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