src/mesa/pipe/softpipe/sp_flush.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 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
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  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
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  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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  26  **************************************************************************/
  27
  28 /* Author:
  29  *    Keith Whitwell <keith@tungstengraphics.com>
  30  */
  31
  32
  33 #include "pipe/p_defines.h"
  34 #include "sp_flush.h"
  35 #include "sp_context.h"
  36 #include "sp_surface.h"
  37 #include "sp_state.h"
  38 #include "sp_tile_cache.h"
  39 #include "sp_winsys.h"
  40
  41
  42 /* There will be actual work to do here.  In future we may want a
  43  * fence-like interface instead of finish, and perhaps flush will take
  44  * flags to indicate what type of flush is required.
  45  */
  46 void
  47 softpipe_flush( struct pipe_context *pipe,
  48                 unsigned flags )
  49 {
  50    struct softpipe_context *softpipe = softpipe_context(pipe);
  51    uint i;
  52
  53    /* - flush the quad pipeline
  54     * - flush the texture cache
  55     * - flush the render cache
  56     */
  57
  58    for (i = 0; i < softpipe->framebuffer.num_cbufs; i++)
  59       if (softpipe->cbuf_cache[i])
  60          sp_flush_tile_cache(softpipe, softpipe->cbuf_cache[i]);
  61
  62    if (softpipe->zbuf_cache)
  63       sp_flush_tile_cache(softpipe, softpipe->zbuf_cache);
  64
  65    if (softpipe->sbuf_cache)
  66       sp_flush_tile_cache(softpipe, softpipe->sbuf_cache);
  67
  68    /* Need this call for hardware buffers before swapbuffers.
  69     *
  70     * there should probably be another/different flush-type function
  71     * that's called before swapbuffers because we don't always want
  72     * to unmap surfaces when flushing.
  73     */
  74    softpipe_unmap_surfaces(softpipe);
  75 }
  76