stw_wgl_swapbuffers.c

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/**************************************************************************
 *
 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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 **************************************************************************/

#include <windows.h>

#include "pipe/p_winsys.h"
#include "pipe/p_screen.h"
#include "pipe/p_context.h"
#include "state_tracker/st_context.h"
#include "state_tracker/st_public.h"
#include "stw_winsys.h"
#include "stw_device.h"
#include "stw_framebuffer.h"
#include "stw_wgl.h"

WINGDIAPI BOOL APIENTRY
wglSwapBuffers(
   HDC hdc )
{
   struct stw_framebuffer *fb;
   struct pipe_surface *surf;

   fb = framebuffer_from_hdc( hdc );
   if (fb == NULL)
      return FALSE;

   /* If we're swapping the buffer associated with the current context
    * we have to flush any pending rendering commands first.
    */
   st_notify_swapbuffers( fb->stfb );

   surf = st_get_framebuffer_surface( fb->stfb, ST_SURFACE_BACK_LEFT );

   stw_dev->stw_winsys->flush_frontbuffer(stw_dev->screen->winsys,
                                          surf,
                                          hdc );

   return TRUE;
}

WINGDIAPI BOOL APIENTRY
wglSwapLayerBuffers(
   HDC hdc,
   UINT fuPlanes )
{
   (void) hdc;
   (void) fuPlanes;

   return FALSE;
}

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