113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2010,2011 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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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-xlib.h>
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#include <cogl-object-private.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-xlib-renderer-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_xlib_renderer 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_xlib_renderer_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_xlib_renderer_handle_event (ctx->display->renderer, xevent);
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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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Display *display;
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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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display = cogl_xlib_renderer_get_display (ctxt->display->renderer);
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if (!XDamageQueryExtension (display, &ctxt->damage_base, &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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CoglX11Renderer *x11_renderer;
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_COGL_GET_CONTEXT (ctxt, -1);
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x11_renderer =
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(CoglX11Renderer *) _cogl_xlib_renderer_get_data (ctxt->display->renderer);
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return x11_renderer->damage_base;
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}
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