sp_flush.c revision e3cb614f932ac417d446c84bd54f86d01b1cdcd9 
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
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/* Author:
29 *    Keith Whitwell <keith@tungstengraphics.com>
30 */
31
32
33#include "pipe/p_defines.h"
34#include "draw/draw_context.h"
35#include "sp_flush.h"
36#include "sp_context.h"
37#include "sp_state.h"
38#include "sp_tile_cache.h"
39#include "sp_tex_tile_cache.h"
40
41
42void
43softpipe_flush( struct pipe_context *pipe,
44		unsigned flags,
45                struct pipe_fence_handle **fence )
46{
47   struct softpipe_context *softpipe = softpipe_context(pipe);
48   uint i;
49
50   draw_flush(softpipe->draw);
51
52   if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
53      for (i = 0; i < softpipe->num_textures; i++) {
54         sp_flush_tex_tile_cache(softpipe->tex_cache[i]);
55      }
56   }
57
58   if (flags & PIPE_FLUSH_SWAPBUFFERS) {
59      /* If this is a swapbuffers, just flush color buffers.
60       *
61       * The zbuffer changes are not discarded, but held in the cache
62       * in the hope that a later clear will wipe them out.
63       */
64      for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++)
65         if (softpipe->cbuf_cache[i])
66            sp_flush_tile_cache(softpipe->cbuf_cache[i]);
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_transfers(softpipe);
75   }
76   else if (flags & PIPE_FLUSH_RENDER_CACHE) {
77      for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++)
78         if (softpipe->cbuf_cache[i])
79            sp_flush_tile_cache(softpipe->cbuf_cache[i]);
80
81      if (softpipe->zsbuf_cache)
82         sp_flush_tile_cache(softpipe->zsbuf_cache);
83
84      softpipe->dirty_render_cache = FALSE;
85   }
86
87   /* Enable to dump BMPs of the color/depth buffers each frame */
88#if 0
89   if(flags & PIPE_FLUSH_FRAME) {
90      static unsigned frame_no = 1;
91      static char filename[256];
92      util_snprintf(filename, sizeof(filename), "cbuf_%u.bmp", frame_no);
93      debug_dump_surface_bmp(filename, softpipe->framebuffer.cbufs[0]);
94      util_snprintf(filename, sizeof(filename), "zsbuf_%u.bmp", frame_no);
95      debug_dump_surface_bmp(filename, softpipe->framebuffer.zsbuf);
96      ++frame_no;
97   }
98#endif
99
100   if (fence)
101      *fence = NULL;
102}
103
104