a8f84af776
Previously the Xlib renderer data was meant to be the first member of whatever the winsys data is. This doesn't work well for the EGL winsys because it only needs the Xlib data if the X11 platform is used. The Xlib renderer data is now instead created on demand and connected to the object using cogl_object_set_user_data. There is a new function to get access to it. Reviewed-by: Robert Bragg <robert@linux.intel.com>
81 lines
2.5 KiB
C
81 lines
2.5 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 License
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* 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_RENDERER_XLIB_PRIVATE_H
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#define __COGL_RENDERER_XLIB_PRIVATE_H
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#include "cogl-object-private.h"
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#include "cogl-xlib-private.h"
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#include "cogl-x11-renderer-private.h"
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typedef struct _CoglXlibRenderer
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{
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CoglX11Renderer _parent;
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Display *xdpy;
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/* Current top of the XError trap state stack. The actual memory for
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these is expected to be allocated on the stack by the caller */
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CoglXlibTrapState *trap_state;
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} CoglXlibRenderer;
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gboolean
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_cogl_xlib_renderer_connect (CoglRenderer *renderer, GError **error);
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void
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_cogl_xlib_renderer_disconnect (CoglRenderer *renderer);
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/*
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* cogl_xlib_renderer_trap_errors:
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* @state: A temporary place to store data for the trap.
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*
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* Traps every X error until _cogl_xlib_renderer_untrap_errors()
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* called. You should allocate an uninitialised CoglXlibTrapState
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* struct on the stack to pass to this function. The same pointer
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* should later be passed to _cogl_xlib_renderer_untrap_errors().
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*
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* Calls to _cogl_xlib_renderer_trap_errors() can be nested as long as
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* _cogl_xlib_renderer_untrap_errors() is called with the
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* corresponding state pointers in reverse order.
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*/
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void
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_cogl_xlib_renderer_trap_errors (CoglRenderer *renderer,
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CoglXlibTrapState *state);
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/*
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* cogl_xlib_renderer_untrap_errors:
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* @state: The state that was passed to _cogl_xlib_renderer_trap_errors().
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*
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* Removes the X error trap and returns the current status.
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*
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* Return value: the trapped error code, or 0 for success
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*/
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int
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_cogl_xlib_renderer_untrap_errors (CoglRenderer *renderer,
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CoglXlibTrapState *state);
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CoglXlibRenderer *
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_cogl_xlib_renderer_get_data (CoglRenderer *renderer);
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#endif /* __COGL_RENDERER_XLIB_PRIVATE_H */
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