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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)
88 lines
2.2 KiB
C
88 lines
2.2 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) 2012 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "cogl-sdl.h"
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#include "cogl-context-private.h"
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#include "cogl-renderer-private.h"
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void
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cogl_sdl_renderer_set_event_type (CoglRenderer *renderer, int type)
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{
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renderer->sdl_event_type_set = TRUE;
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renderer->sdl_event_type = type;
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}
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int
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cogl_sdl_renderer_get_event_type (CoglRenderer *renderer)
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{
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_COGL_RETURN_VAL_IF_FAIL (renderer->sdl_event_type_set, SDL_USEREVENT);
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return renderer->sdl_event_type;
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}
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CoglContext *
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cogl_sdl_context_new (int type, GError **error)
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{
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CoglRenderer *renderer = cogl_renderer_new ();
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CoglDisplay *display;
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cogl_renderer_set_winsys_id (renderer, COGL_WINSYS_ID_SDL);
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cogl_sdl_renderer_set_event_type (renderer, type);
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if (!cogl_renderer_connect (renderer, error))
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return NULL;
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display = cogl_display_new (renderer, NULL);
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if (!cogl_display_setup (display, error))
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return NULL;
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return cogl_context_new (display, error);
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}
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void
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cogl_sdl_handle_event (CoglContext *context, SDL_Event *event)
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{
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const CoglWinsysVtable *winsys;
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_COGL_RETURN_IF_FAIL (cogl_is_context (context));
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winsys = _cogl_context_get_winsys (context);
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_cogl_renderer_handle_native_event (context->display->renderer, event);
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if (winsys->poll_dispatch)
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winsys->poll_dispatch (context, NULL, 0);
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}
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void
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cogl_sdl_idle (CoglContext *context)
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{
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/* NOP since Cogl doesn't currently need to do anything when idle */
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}
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