sp_flush.c revision 93a026d4baf90266f4c9cc48d039b4d65ce1ab6d 
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_surface.h"
38#include "sp_state.h"
39#include "sp_tile_cache.h"
40#include "sp_winsys.h"
41
42
43void
44softpipe_flush( struct pipe_context *pipe,
45		unsigned flags,
46                struct pipe_fence_handle **fence )
47{
48   struct softpipe_context *softpipe = softpipe_context(pipe);
49   uint i;
50
51   draw_flush(softpipe->draw);
52
53   if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
54      for (i = 0; i < softpipe->num_textures; i++) {
55         sp_flush_tile_cache(softpipe->tex_cache[i]);
56      }
57   }
58
59   if (flags & PIPE_FLUSH_SWAPBUFFERS) {
60      /* If this is a swapbuffers, just flush color buffers.
61       *
62       * The zbuffer changes are not discarded, but held in the cache
63       * in the hope that a later clear will wipe them out.
64       */
65      for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++)
66         if (softpipe->cbuf_cache[i])
67            sp_flush_tile_cache(softpipe->cbuf_cache[i]);
68
69      /* Need this call for hardware buffers before swapbuffers.
70       *
71       * there should probably be another/different flush-type function
72       * that's called before swapbuffers because we don't always want
73       * to unmap surfaces when flushing.
74       */
75      softpipe_unmap_transfers(softpipe);
76   }
77   else if (flags & PIPE_FLUSH_RENDER_CACHE) {
78      for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++)
79         if (softpipe->cbuf_cache[i])
80            sp_flush_tile_cache(softpipe->cbuf_cache[i]);
81
82      if (softpipe->zsbuf_cache)
83         sp_flush_tile_cache(softpipe->zsbuf_cache);
84
85      softpipe->dirty_render_cache = FALSE;
86   }
87
88   /* Enable to dump BMPs of the color/depth buffers each frame */
89#if 0
90   if(flags & PIPE_FLUSH_FRAME) {
91      static unsigned frame_no = 1;
92      static char filename[256];
93      util_snprintf(filename, sizeof(filename), "cbuf_%u.bmp", frame_no);
94      debug_dump_surface_bmp(filename, softpipe->framebuffer.cbufs[0]);
95      util_snprintf(filename, sizeof(filename), "zsbuf_%u.bmp", frame_no);
96      debug_dump_surface_bmp(filename, softpipe->framebuffer.zsbuf);
97      ++frame_no;
98   }
99#endif
100
101   if (fence)
102      *fence = NULL;
103}
104
105