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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)
189 lines
4.5 KiB
C
189 lines
4.5 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) 2007,2008,2009 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_WINSYS_PRIVATE_H
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#define __COGL_WINSYS_PRIVATE_H
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#include "cogl-renderer.h"
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#include "cogl-onscreen.h"
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#include "cogl-gles2.h"
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#ifdef COGL_HAS_XLIB_SUPPORT
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#include "cogl-texture-pixmap-x11-private.h"
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#endif
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#ifdef COGL_HAS_XLIB_SUPPORT
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#include <X11/Xutil.h>
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#include "cogl-texture-pixmap-x11-private.h"
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#endif
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#include "cogl-poll.h"
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GQuark
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_cogl_winsys_error_quark (void);
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#define COGL_WINSYS_ERROR (_cogl_winsys_error_quark ())
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typedef enum { /*< prefix=COGL_WINSYS_ERROR >*/
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COGL_WINSYS_ERROR_INIT,
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COGL_WINSYS_ERROR_CREATE_CONTEXT,
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COGL_WINSYS_ERROR_CREATE_ONSCREEN,
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COGL_WINSYS_ERROR_MAKE_CURRENT,
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COGL_WINSYS_ERROR_CREATE_GLES2_CONTEXT,
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} CoglWinsysError;
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typedef enum
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{
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COGL_WINSYS_RECTANGLE_STATE_UNKNOWN,
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COGL_WINSYS_RECTANGLE_STATE_DISABLE,
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COGL_WINSYS_RECTANGLE_STATE_ENABLE
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} CoglWinsysRectangleState;
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typedef struct _CoglWinsysVtable
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{
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CoglWinsysID id;
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CoglRendererConstraint constraints;
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const char *name;
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/* Required functions */
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CoglFuncPtr
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(*renderer_get_proc_address) (CoglRenderer *renderer,
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const char *name,
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CoglBool in_core);
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CoglBool
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(*renderer_connect) (CoglRenderer *renderer, GError **error);
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void
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(*renderer_disconnect) (CoglRenderer *renderer);
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CoglBool
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(*display_setup) (CoglDisplay *display, GError **error);
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void
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(*display_destroy) (CoglDisplay *display);
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CoglBool
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(*context_init) (CoglContext *context, GError **error);
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void
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(*context_deinit) (CoglContext *context);
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void *
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(*context_create_gles2_context) (CoglContext *ctx, GError **error);
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CoglBool
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(*onscreen_init) (CoglOnscreen *onscreen, GError **error);
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void
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(*onscreen_deinit) (CoglOnscreen *onscreen);
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void
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(*onscreen_bind) (CoglOnscreen *onscreen);
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void
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(*onscreen_swap_buffers) (CoglOnscreen *onscreen);
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void
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(*onscreen_update_swap_throttled) (CoglOnscreen *onscreen);
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void
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(*onscreen_set_visibility) (CoglOnscreen *onscreen,
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CoglBool visibility);
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/* Optional functions */
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void
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(*onscreen_swap_region) (CoglOnscreen *onscreen,
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const int *rectangles,
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int n_rectangles);
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void
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(*onscreen_set_resizable) (CoglOnscreen *onscreen, CoglBool resizable);
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#ifdef COGL_HAS_EGL_SUPPORT
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EGLDisplay
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(*context_egl_get_egl_display) (CoglContext *context);
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#endif
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#ifdef COGL_HAS_XLIB_SUPPORT
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XVisualInfo *
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(*xlib_get_visual_info) (void);
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#endif
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uint32_t
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(*onscreen_x11_get_window_xid) (CoglOnscreen *onscreen);
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#ifdef COGL_HAS_WIN32_SUPPORT
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HWND
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(*onscreen_win32_get_window) (CoglOnscreen *onscreen);
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#endif
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void
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(*poll_get_info) (CoglContext *context,
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CoglPollFD **poll_fds,
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int *n_poll_fds,
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int64_t *timeout);
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void
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(*poll_dispatch) (CoglContext *context,
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const CoglPollFD *poll_fds,
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int n_poll_fds);
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#ifdef COGL_HAS_XLIB_SUPPORT
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CoglBool
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(*texture_pixmap_x11_create) (CoglTexturePixmapX11 *tex_pixmap);
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void
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(*texture_pixmap_x11_free) (CoglTexturePixmapX11 *tex_pixmap);
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CoglBool
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(*texture_pixmap_x11_update) (CoglTexturePixmapX11 *tex_pixmap,
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CoglBool needs_mipmap);
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void
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(*texture_pixmap_x11_damage_notify) (CoglTexturePixmapX11 *tex_pixmap);
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CoglTexture *
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(*texture_pixmap_x11_get_texture) (CoglTexturePixmapX11 *tex_pixmap);
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#endif
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void
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(*save_context) (CoglContext *ctx);
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CoglBool
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(*set_gles2_context) (CoglGLES2Context *gles2_ctx, GError **error);
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void
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(*restore_context) (CoglContext *ctx);
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void
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(*destroy_gles2_context) (CoglGLES2Context *gles2_ctx);
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} CoglWinsysVtable;
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CoglBool
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_cogl_winsys_has_feature (CoglWinsysFeature feature);
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#endif /* __COGL_WINSYS_PRIVATE_H */
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