src/gallium/drivers/svga/svga_pipe_flush.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #include "pipe/p_defines.h"
  27 #include "svga_screen.h"
  28 #include "svga_screen_texture.h"
  29 #include "svga_context.h"
  30 #include "svga_winsys.h"
  31 #include "svga_debug.h"
  32
  33
  34 static void svga_flush( struct pipe_context *pipe,
  35                         unsigned flags,
  36                         struct pipe_fence_handle **fence )
  37 {
  38    struct svga_context *svga = svga_context(pipe);
  39    int i;
  40
  41    /* Emit buffered drawing commands.
  42     */
  43    svga_hwtnl_flush_retry( svga );
  44
  45    /* Emit back-copy from render target view to texture.
  46     */
  47    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
  48       if (svga->curr.framebuffer.cbufs[i])
  49          svga_propagate_surface(pipe, svga->curr.framebuffer.cbufs[i]);
  50    }
  51    if (svga->curr.framebuffer.zsbuf)
  52       svga_propagate_surface(pipe, svga->curr.framebuffer.zsbuf);
  53
  54    /* Flush command queue.
  55     */
  56    svga_context_flush(svga, fence);
  57
  58    SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "%s flags %x fence_ptr %p\n",
  59             __FUNCTION__, flags, fence ? *fence : 0x0);
  60 }
  61
  62
  63 void svga_init_flush_functions( struct svga_context *svga )
  64 {
  65    svga->pipe.flush = svga_flush;
  66 }