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mutter/cogl/cogl-xlib.c

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Stubs out _cogl_xlib_handle_event This stubs out an xlib event handling mechanism for Cogl. The intention is for Clutter to use this to forward all x11 events to Cogl. As we move winsys functionality down into Cogl, Cogl will become responsible for handling a number of X events: ConfigureNotify events for onscreen framebuffers, swap events and Damage events for cogl_x11_texture_pixmap.
2009-10-13 10:27:06 -04:00
/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
Moves all GLX code down from Clutter to Cogl This migrates all the GLX window system code down from the Clutter backend code into a Cogl winsys. Moving OpenGL window system binding code down from Clutter into Cogl is the biggest blocker to having Cogl become a standalone 3D graphics library, so this is an important step in that direction.
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* Copyright (C) 2010,2011 Intel Corporation.
Stubs out _cogl_xlib_handle_event This stubs out an xlib event handling mechanism for Cogl. The intention is for Clutter to use this to forward all x11 events to Cogl. As we move winsys functionality down into Cogl, Cogl will become responsible for handling a number of X events: ConfigureNotify events for onscreen framebuffers, swap events and Damage events for cogl_x11_texture_pixmap.
2009-10-13 10:27:06 -04:00
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Authors:
* Robert Bragg <robert@linux.intel.com>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <cogl.h>
#include <cogl-internal.h>
#include <cogl-handle.h>
cogl: rename cogl-context.h cogl-context-private.h Since we plan to add public cogl_context_* API we need to rename the current cogl-context.h which contains private member details.
2010-11-04 18:25:52 -04:00
#include <cogl-context-private.h>
Stubs out _cogl_xlib_handle_event This stubs out an xlib event handling mechanism for Cogl. The intention is for Clutter to use this to forward all x11 events to Cogl. As we move winsys functionality down into Cogl, Cogl will become responsible for handling a number of X events: ConfigureNotify events for onscreen framebuffers, swap events and Damage events for cogl_x11_texture_pixmap.
2009-10-13 10:27:06 -04:00
#include <cogl-framebuffer-private.h>
Moves all GLX code down from Clutter to Cogl This migrates all the GLX window system code down from the Clutter backend code into a Cogl winsys. Moving OpenGL window system binding code down from Clutter into Cogl is the biggest blocker to having Cogl become a standalone 3D graphics library, so this is an important step in that direction.
2010-11-05 08:28:33 -04:00
#include <cogl-display-private.h>
#include <cogl-renderer-private.h>
#include <cogl-renderer-xlib-private.h>
Stubs out _cogl_xlib_handle_event This stubs out an xlib event handling mechanism for Cogl. The intention is for Clutter to use this to forward all x11 events to Cogl. As we move winsys functionality down into Cogl, Cogl will become responsible for handling a number of X events: ConfigureNotify events for onscreen framebuffers, swap events and Damage events for cogl_x11_texture_pixmap.
2009-10-13 10:27:06 -04:00
#include <X11/Xlib.h>
Moves all GLX code down from Clutter to Cogl This migrates all the GLX window system code down from the Clutter backend code into a Cogl winsys. Moving OpenGL window system binding code down from Clutter into Cogl is the biggest blocker to having Cogl become a standalone 3D graphics library, so this is an important step in that direction.
2010-11-05 08:28:33 -04:00
#include <X11/extensions/Xdamage.h>
Stubs out _cogl_xlib_handle_event This stubs out an xlib event handling mechanism for Cogl. The intention is for Clutter to use this to forward all x11 events to Cogl. As we move winsys functionality down into Cogl, Cogl will become responsible for handling a number of X events: ConfigureNotify events for onscreen framebuffers, swap events and Damage events for cogl_x11_texture_pixmap.
2009-10-13 10:27:06 -04:00
Pass all Xlib events through Cogl The Clutter X11 backend now passes all events through _cogl_xlib_handle_event. This function can now internally be hooked with _cogl_xlib_add_filter. These are added to a list of callbacks which are all called in turn by _cogl_xlib_handle_event. This is intended to be used internally in Cogl by any parts that need to see Xlib events. Cogl now also has an internally exposed function to set a pointer to the Xlib display. This is stored in a global variable. The Clutter X11 backend sets this. _cogl_xlib_handle_event and _cogl_xlib_set_display can be removed once Cogl gains a proper window system abstraction.
2010-05-19 11:13:07 -04:00
#include "cogl-xlib.h"
Moves all GLX code down from Clutter to Cogl This migrates all the GLX window system code down from the Clutter backend code into a Cogl winsys. Moving OpenGL window system binding code down from Clutter into Cogl is the biggest blocker to having Cogl become a standalone 3D graphics library, so this is an important step in that direction.
2010-11-05 08:28:33 -04:00
/* FIXME: when we remove the last X11 based Clutter backend then we
* will get rid of these functions and instead rely on the equivalent
* _cogl_renderer_xlib API
*/
Pass all Xlib events through Cogl The Clutter X11 backend now passes all events through _cogl_xlib_handle_event. This function can now internally be hooked with _cogl_xlib_add_filter. These are added to a list of callbacks which are all called in turn by _cogl_xlib_handle_event. This is intended to be used internally in Cogl by any parts that need to see Xlib events. Cogl now also has an internally exposed function to set a pointer to the Xlib display. This is stored in a global variable. The Clutter X11 backend sets this. _cogl_xlib_handle_event and _cogl_xlib_set_display can be removed once Cogl gains a proper window system abstraction.
2010-05-19 11:13:07 -04:00
/* This can't be in the Cogl context because it can be set before
context is created */
static Display *_cogl_xlib_display = NULL;
Display *
Moves all GLX code down from Clutter to Cogl This migrates all the GLX window system code down from the Clutter backend code into a Cogl winsys. Moving OpenGL window system binding code down from Clutter into Cogl is the biggest blocker to having Cogl become a standalone 3D graphics library, so this is an important step in that direction.
2010-11-05 08:28:33 -04:00
cogl_xlib_get_display (void)
Pass all Xlib events through Cogl The Clutter X11 backend now passes all events through _cogl_xlib_handle_event. This function can now internally be hooked with _cogl_xlib_add_filter. These are added to a list of callbacks which are all called in turn by _cogl_xlib_handle_event. This is intended to be used internally in Cogl by any parts that need to see Xlib events. Cogl now also has an internally exposed function to set a pointer to the Xlib display. This is stored in a global variable. The Clutter X11 backend sets this. _cogl_xlib_handle_event and _cogl_xlib_set_display can be removed once Cogl gains a proper window system abstraction.
2010-05-19 11:13:07 -04:00
{
_COGL_GET_CONTEXT (ctx, NULL);
cogl-xlib: remove special cases for stub winsys Since we no longer have any xlib based backends in Clutter that depend on the stub winsys in Cogl we can now remove all the special case code we had for this in cogl-xlib.c
2011-05-27 08:48:55 -04:00
return cogl_renderer_xlib_get_display (ctx->display->renderer);
Pass all Xlib events through Cogl The Clutter X11 backend now passes all events through _cogl_xlib_handle_event. This function can now internally be hooked with _cogl_xlib_add_filter. These are added to a list of callbacks which are all called in turn by _cogl_xlib_handle_event. This is intended to be used internally in Cogl by any parts that need to see Xlib events. Cogl now also has an internally exposed function to set a pointer to the Xlib display. This is stored in a global variable. The Clutter X11 backend sets this. _cogl_xlib_handle_event and _cogl_xlib_set_display can be removed once Cogl gains a proper window system abstraction.
2010-05-19 11:13:07 -04:00
}
void
Moves all GLX code down from Clutter to Cogl This migrates all the GLX window system code down from the Clutter backend code into a Cogl winsys. Moving OpenGL window system binding code down from Clutter into Cogl is the biggest blocker to having Cogl become a standalone 3D graphics library, so this is an important step in that direction.
2010-11-05 08:28:33 -04:00
cogl_xlib_set_display (Display *display)
Pass all Xlib events through Cogl The Clutter X11 backend now passes all events through _cogl_xlib_handle_event. This function can now internally be hooked with _cogl_xlib_add_filter. These are added to a list of callbacks which are all called in turn by _cogl_xlib_handle_event. This is intended to be used internally in Cogl by any parts that need to see Xlib events. Cogl now also has an internally exposed function to set a pointer to the Xlib display. This is stored in a global variable. The Clutter X11 backend sets this. _cogl_xlib_handle_event and _cogl_xlib_set_display can be removed once Cogl gains a proper window system abstraction.
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{
/* This can only be called once before the Cogl context is created */
g_assert (_cogl_xlib_display == NULL);
_cogl_xlib_display = display;
}
cogl-renderer: Move the XEvent filters to be generic for all renderers Instead of having cogl_renderer_xlib_add_filter and friends there is now cogl_renderer_add_native_filter which can be used regardless of the backend. The callback function for the filter now just takes a void pointer instead of an XEvent pointer which should be interpreted differently depending on the backend. For example, on Xlib it would still be an XEvent but on Windows it could be a MSG. This simplifies the code somewhat because the _cogl_xlib_add_filter no longer needs to have its own filter list when a stub renderer is used because there is always a renderer available. cogl_renderer_xlib_handle_event has also been renamed to cogl_renderer_handle_native_event. This just forwards the event on to all of the listeners. The backend renderer is expected to register its own event filter if it wants to process the events in some way.
2011-04-13 11:41:41 -04:00
/* These three functions are wrappers around the equivalent renderer
functions. They can be removed once all xlib-based backends in
Clutter know about the renderer */
CoglFilterReturn
cogl_xlib_handle_event (XEvent *xevent)
{
_COGL_GET_CONTEXT (ctx, COGL_FILTER_CONTINUE);
/* Pass the event on to the renderer */
return cogl_renderer_handle_native_event (ctx->display->renderer, xevent);
}
Pass all Xlib events through Cogl The Clutter X11 backend now passes all events through _cogl_xlib_handle_event. This function can now internally be hooked with _cogl_xlib_add_filter. These are added to a list of callbacks which are all called in turn by _cogl_xlib_handle_event. This is intended to be used internally in Cogl by any parts that need to see Xlib events. Cogl now also has an internally exposed function to set a pointer to the Xlib display. This is stored in a global variable. The Clutter X11 backend sets this. _cogl_xlib_handle_event and _cogl_xlib_set_display can be removed once Cogl gains a proper window system abstraction.
2010-05-19 11:13:07 -04:00
void
cogl-renderer: Move the XEvent filters to be generic for all renderers Instead of having cogl_renderer_xlib_add_filter and friends there is now cogl_renderer_add_native_filter which can be used regardless of the backend. The callback function for the filter now just takes a void pointer instead of an XEvent pointer which should be interpreted differently depending on the backend. For example, on Xlib it would still be an XEvent but on Windows it could be a MSG. This simplifies the code somewhat because the _cogl_xlib_add_filter no longer needs to have its own filter list when a stub renderer is used because there is always a renderer available. cogl_renderer_xlib_handle_event has also been renamed to cogl_renderer_handle_native_event. This just forwards the event on to all of the listeners. The backend renderer is expected to register its own event filter if it wants to process the events in some way.
2011-04-13 11:41:41 -04:00
_cogl_xlib_add_filter (CoglNativeFilterFunc func,
Moves all GLX code down from Clutter to Cogl This migrates all the GLX window system code down from the Clutter backend code into a Cogl winsys. Moving OpenGL window system binding code down from Clutter into Cogl is the biggest blocker to having Cogl become a standalone 3D graphics library, so this is an important step in that direction.
2010-11-05 08:28:33 -04:00
void *data)
Pass all Xlib events through Cogl The Clutter X11 backend now passes all events through _cogl_xlib_handle_event. This function can now internally be hooked with _cogl_xlib_add_filter. These are added to a list of callbacks which are all called in turn by _cogl_xlib_handle_event. This is intended to be used internally in Cogl by any parts that need to see Xlib events. Cogl now also has an internally exposed function to set a pointer to the Xlib display. This is stored in a global variable. The Clutter X11 backend sets this. _cogl_xlib_handle_event and _cogl_xlib_set_display can be removed once Cogl gains a proper window system abstraction.
2010-05-19 11:13:07 -04:00
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl-renderer: Move the XEvent filters to be generic for all renderers Instead of having cogl_renderer_xlib_add_filter and friends there is now cogl_renderer_add_native_filter which can be used regardless of the backend. The callback function for the filter now just takes a void pointer instead of an XEvent pointer which should be interpreted differently depending on the backend. For example, on Xlib it would still be an XEvent but on Windows it could be a MSG. This simplifies the code somewhat because the _cogl_xlib_add_filter no longer needs to have its own filter list when a stub renderer is used because there is always a renderer available. cogl_renderer_xlib_handle_event has also been renamed to cogl_renderer_handle_native_event. This just forwards the event on to all of the listeners. The backend renderer is expected to register its own event filter if it wants to process the events in some way.
2011-04-13 11:41:41 -04:00
cogl_renderer_add_native_filter (ctx->display->renderer, func, data);
Pass all Xlib events through Cogl The Clutter X11 backend now passes all events through _cogl_xlib_handle_event. This function can now internally be hooked with _cogl_xlib_add_filter. These are added to a list of callbacks which are all called in turn by _cogl_xlib_handle_event. This is intended to be used internally in Cogl by any parts that need to see Xlib events. Cogl now also has an internally exposed function to set a pointer to the Xlib display. This is stored in a global variable. The Clutter X11 backend sets this. _cogl_xlib_handle_event and _cogl_xlib_set_display can be removed once Cogl gains a proper window system abstraction.
2010-05-19 11:13:07 -04:00
}
void
cogl-renderer: Move the XEvent filters to be generic for all renderers Instead of having cogl_renderer_xlib_add_filter and friends there is now cogl_renderer_add_native_filter which can be used regardless of the backend. The callback function for the filter now just takes a void pointer instead of an XEvent pointer which should be interpreted differently depending on the backend. For example, on Xlib it would still be an XEvent but on Windows it could be a MSG. This simplifies the code somewhat because the _cogl_xlib_add_filter no longer needs to have its own filter list when a stub renderer is used because there is always a renderer available. cogl_renderer_xlib_handle_event has also been renamed to cogl_renderer_handle_native_event. This just forwards the event on to all of the listeners. The backend renderer is expected to register its own event filter if it wants to process the events in some way.
2011-04-13 11:41:41 -04:00
_cogl_xlib_remove_filter (CoglNativeFilterFunc func,
Moves all GLX code down from Clutter to Cogl This migrates all the GLX window system code down from the Clutter backend code into a Cogl winsys. Moving OpenGL window system binding code down from Clutter into Cogl is the biggest blocker to having Cogl become a standalone 3D graphics library, so this is an important step in that direction.
2010-11-05 08:28:33 -04:00
void *data)
Pass all Xlib events through Cogl The Clutter X11 backend now passes all events through _cogl_xlib_handle_event. This function can now internally be hooked with _cogl_xlib_add_filter. These are added to a list of callbacks which are all called in turn by _cogl_xlib_handle_event. This is intended to be used internally in Cogl by any parts that need to see Xlib events. Cogl now also has an internally exposed function to set a pointer to the Xlib display. This is stored in a global variable. The Clutter X11 backend sets this. _cogl_xlib_handle_event and _cogl_xlib_set_display can be removed once Cogl gains a proper window system abstraction.
2010-05-19 11:13:07 -04:00
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl-renderer: Move the XEvent filters to be generic for all renderers Instead of having cogl_renderer_xlib_add_filter and friends there is now cogl_renderer_add_native_filter which can be used regardless of the backend. The callback function for the filter now just takes a void pointer instead of an XEvent pointer which should be interpreted differently depending on the backend. For example, on Xlib it would still be an XEvent but on Windows it could be a MSG. This simplifies the code somewhat because the _cogl_xlib_add_filter no longer needs to have its own filter list when a stub renderer is used because there is always a renderer available. cogl_renderer_xlib_handle_event has also been renamed to cogl_renderer_handle_native_event. This just forwards the event on to all of the listeners. The backend renderer is expected to register its own event filter if it wants to process the events in some way.
2011-04-13 11:41:41 -04:00
cogl_renderer_remove_native_filter (ctx->display->renderer, func, data);
Pass all Xlib events through Cogl The Clutter X11 backend now passes all events through _cogl_xlib_handle_event. This function can now internally be hooked with _cogl_xlib_add_filter. These are added to a list of callbacks which are all called in turn by _cogl_xlib_handle_event. This is intended to be used internally in Cogl by any parts that need to see Xlib events. Cogl now also has an internally exposed function to set a pointer to the Xlib display. This is stored in a global variable. The Clutter X11 backend sets this. _cogl_xlib_handle_event and _cogl_xlib_set_display can be removed once Cogl gains a proper window system abstraction.
2010-05-19 11:13:07 -04:00
}
cogl: Add _cogl_xlib_{,un}trap_errors This is similar to clutter_x11_{,un}trap_errors except that it stores the previous trap state in a caller-allocated struct so that it can be re-entrant. Make _cogl_xlib_trap_errors re-entrant (this will be squashed into an earlier commit)
2010-06-04 05:38:30 -04:00
void
_cogl_xlib_trap_errors (CoglXlibTrapState *state)
{
_COGL_GET_CONTEXT (ctxt, NO_RETVAL);
cogl-xlib: remove special cases for stub winsys Since we no longer have any xlib based backends in Clutter that depend on the stub winsys in Cogl we can now remove all the special case code we had for this in cogl-xlib.c
2011-05-27 08:48:55 -04:00
_cogl_renderer_xlib_trap_errors (ctxt->display->renderer, state);
return;
cogl: Add _cogl_xlib_{,un}trap_errors This is similar to clutter_x11_{,un}trap_errors except that it stores the previous trap state in a caller-allocated struct so that it can be re-entrant. Make _cogl_xlib_trap_errors re-entrant (this will be squashed into an earlier commit)
2010-06-04 05:38:30 -04:00
}
int
_cogl_xlib_untrap_errors (CoglXlibTrapState *state)
{
_COGL_GET_CONTEXT (ctxt, 0);
cogl-xlib: remove special cases for stub winsys Since we no longer have any xlib based backends in Clutter that depend on the stub winsys in Cogl we can now remove all the special case code we had for this in cogl-xlib.c
2011-05-27 08:48:55 -04:00
return _cogl_renderer_xlib_untrap_errors (ctxt->display->renderer, state);
cogl: Add _cogl_xlib_{,un}trap_errors This is similar to clutter_x11_{,un}trap_errors except that it stores the previous trap state in a caller-allocated struct so that it can be re-entrant. Make _cogl_xlib_trap_errors re-entrant (this will be squashed into an earlier commit)
2010-06-04 05:38:30 -04:00
}
Moves all GLX code down from Clutter to Cogl This migrates all the GLX window system code down from the Clutter backend code into a Cogl winsys. Moving OpenGL window system binding code down from Clutter into Cogl is the biggest blocker to having Cogl become a standalone 3D graphics library, so this is an important step in that direction.
2010-11-05 08:28:33 -04:00
void
_cogl_xlib_query_damage_extension (void)
{
int damage_error;
_COGL_GET_CONTEXT (ctxt, NO_RETVAL);
/* Check whether damage events are supported on this display */
if (!XDamageQueryExtension (cogl_xlib_get_display (),
&ctxt->damage_base,
&damage_error))
ctxt->damage_base = -1;
}
int
_cogl_xlib_get_damage_base (void)
{
cogl-xlib: remove special cases for stub winsys Since we no longer have any xlib based backends in Clutter that depend on the stub winsys in Cogl we can now remove all the special case code we had for this in cogl-xlib.c
2011-05-27 08:48:55 -04:00
CoglRendererX11 *x11_renderer;
Moves all GLX code down from Clutter to Cogl This migrates all the GLX window system code down from the Clutter backend code into a Cogl winsys. Moving OpenGL window system binding code down from Clutter into Cogl is the biggest blocker to having Cogl become a standalone 3D graphics library, so this is an important step in that direction.
2010-11-05 08:28:33 -04:00
_COGL_GET_CONTEXT (ctxt, -1);
cogl-xlib: remove special cases for stub winsys Since we no longer have any xlib based backends in Clutter that depend on the stub winsys in Cogl we can now remove all the special case code we had for this in cogl-xlib.c
2011-05-27 08:48:55 -04:00
x11_renderer = ctxt->display->renderer->winsys;
return x11_renderer->damage_base;
Moves all GLX code down from Clutter to Cogl This migrates all the GLX window system code down from the Clutter backend code into a Cogl winsys. Moving OpenGL window system binding code down from Clutter into Cogl is the biggest blocker to having Cogl become a standalone 3D graphics library, so this is an important step in that direction.
2010-11-05 08:28:33 -04:00
}
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