src/mesa/state_tracker/wgl/stw_wgl_swapbuffers.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include <windows.h>
  29
  30 #include "pipe/internal/p_winsys_screen.h"
  31 #include "pipe/p_screen.h"
  32 #include "pipe/p_context.h"
  33 #include "state_tracker/st_context.h"
  34 #include "state_tracker/st_public.h"
  35 #include "stw_winsys.h"
  36 #include "stw_device.h"
  37 #include "stw_framebuffer.h"
  38 #include "stw_wgl.h"
  39
  40 WINGDIAPI BOOL APIENTRY
  41 wglSwapBuffers(
  42    HDC hdc )
  43 {
  44    struct stw_framebuffer *fb;
  45    struct pipe_surface *surf;
  46
  47    fb = framebuffer_from_hdc( hdc );
  48    if (fb == NULL)
  49       return FALSE;
  50
  51    /* If we're swapping the buffer associated with the current context
  52     * we have to flush any pending rendering commands first.
  53     */
  54    st_notify_swapbuffers( fb->stfb );
  55
  56    st_get_framebuffer_surface( fb->stfb, ST_SURFACE_BACK_LEFT, &surf );
  57
  58    stw_dev->stw_winsys->flush_frontbuffer(stw_dev->screen->winsys,
  59                                           surf,
  60                                           hdc );
  61
  62    return TRUE;
  63 }
  64
  65 WINGDIAPI BOOL APIENTRY
  66 wglSwapLayerBuffers(
  67    HDC hdc,
  68    UINT fuPlanes )
  69 {
  70    (void) hdc;
  71    (void) fuPlanes;
  72
  73    return FALSE;
  74 }