stw_wgl_swapbuffers.c

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00001 /**************************************************************************
00002  *
00003  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
00004  * All Rights Reserved.
00005  *
00006  * Permission is hereby granted, free of charge, to any person obtaining a
00007  * copy of this software and associated documentation files (the
00008  * "Software"), to deal in the Software without restriction, including
00009  * without limitation the rights to use, copy, modify, merge, publish,
00010  * distribute, sub license, and/or sell copies of the Software, and to
00011  * permit persons to whom the Software is furnished to do so, subject to
00012  * the following conditions:
00013  *
00014  * The above copyright notice and this permission notice (including the
00015  * next paragraph) shall be included in all copies or substantial portions
00016  * of the Software.
00017  *
00018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00019  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00020  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
00021  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
00022  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
00023  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
00024  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00025  *
00026  **************************************************************************/
00027 
00028 #include <windows.h>
00029 
00030 #include "pipe/p_winsys.h"
00031 #include "pipe/p_screen.h"
00032 #include "pipe/p_context.h"
00033 #include "state_tracker/st_context.h"
00034 #include "state_tracker/st_public.h"
00035 #include "stw_winsys.h"
00036 #include "stw_device.h"
00037 #include "stw_framebuffer.h"
00038 #include "stw_wgl.h"
00039 
00040 WINGDIAPI BOOL APIENTRY
00041 wglSwapBuffers(
00042    HDC hdc )
00043 {
00044    struct stw_framebuffer *fb;
00045    struct pipe_surface *surf;
00046 
00047    fb = framebuffer_from_hdc( hdc );
00048    if (fb == NULL)
00049       return FALSE;
00050 
00051    /* If we're swapping the buffer associated with the current context
00052     * we have to flush any pending rendering commands first.
00053     */
00054    st_notify_swapbuffers( fb->stfb );
00055 
00056    surf = st_get_framebuffer_surface( fb->stfb, ST_SURFACE_BACK_LEFT );
00057 
00058    stw_dev->stw_winsys->flush_frontbuffer(stw_dev->screen->winsys,
00059                                           surf,
00060                                           hdc );
00061 
00062    return TRUE;
00063 }
00064 
00065 WINGDIAPI BOOL APIENTRY
00066 wglSwapLayerBuffers(
00067    HDC hdc,
00068    UINT fuPlanes )
00069 {
00070    (void) hdc;
00071    (void) fuPlanes;
00072 
00073    return FALSE;
00074 }

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