1ec8525510
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
142 lines
3.6 KiB
C
142 lines
3.6 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) 2010,2011 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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Authors:
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* Robert Bragg <robert@linux.intel.com>
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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.h>
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#include <cogl-internal.h>
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#include <cogl-handle.h>
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#include <cogl-context-private.h>
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#include <cogl-framebuffer-private.h>
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#include <cogl-display-private.h>
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#include <cogl-renderer-private.h>
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#include <cogl-renderer-xlib-private.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/Xdamage.h>
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#include "cogl-xlib.h"
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/* FIXME: when we remove the last X11 based Clutter backend then we
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* will get rid of these functions and instead rely on the equivalent
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* _cogl_renderer_xlib API
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*/
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/* This can't be in the Cogl context because it can be set before
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context is created */
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static Display *_cogl_xlib_display = NULL;
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Display *
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cogl_xlib_get_display (void)
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{
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_COGL_GET_CONTEXT (ctx, NULL);
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return cogl_renderer_xlib_get_display (ctx->display->renderer);
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}
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void
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cogl_xlib_set_display (Display *display)
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{
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/* This can only be called once before the Cogl context is created */
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g_assert (_cogl_xlib_display == NULL);
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_cogl_xlib_display = display;
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}
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/* These three functions are wrappers around the equivalent renderer
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functions. They can be removed once all xlib-based backends in
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Clutter know about the renderer */
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CoglFilterReturn
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cogl_xlib_handle_event (XEvent *xevent)
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{
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_COGL_GET_CONTEXT (ctx, COGL_FILTER_CONTINUE);
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/* Pass the event on to the renderer */
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return cogl_renderer_handle_native_event (ctx->display->renderer, xevent);
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}
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void
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_cogl_xlib_add_filter (CoglNativeFilterFunc func,
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void *data)
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{
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_COGL_GET_CONTEXT (ctx, NO_RETVAL);
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cogl_renderer_add_native_filter (ctx->display->renderer, func, data);
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}
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void
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_cogl_xlib_remove_filter (CoglNativeFilterFunc func,
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void *data)
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{
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_COGL_GET_CONTEXT (ctx, NO_RETVAL);
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cogl_renderer_remove_native_filter (ctx->display->renderer, func, data);
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}
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void
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_cogl_xlib_trap_errors (CoglXlibTrapState *state)
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{
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_COGL_GET_CONTEXT (ctxt, NO_RETVAL);
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_cogl_renderer_xlib_trap_errors (ctxt->display->renderer, state);
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return;
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}
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int
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_cogl_xlib_untrap_errors (CoglXlibTrapState *state)
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{
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_COGL_GET_CONTEXT (ctxt, 0);
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return _cogl_renderer_xlib_untrap_errors (ctxt->display->renderer, state);
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}
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void
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_cogl_xlib_query_damage_extension (void)
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{
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int damage_error;
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_COGL_GET_CONTEXT (ctxt, NO_RETVAL);
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/* Check whether damage events are supported on this display */
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if (!XDamageQueryExtension (cogl_xlib_get_display (),
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&ctxt->damage_base,
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&damage_error))
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ctxt->damage_base = -1;
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}
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int
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_cogl_xlib_get_damage_base (void)
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{
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CoglRendererX11 *x11_renderer;
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_COGL_GET_CONTEXT (ctxt, -1);
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x11_renderer = ctxt->display->renderer->winsys;
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return x11_renderer->damage_base;
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}
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