llvmpipe: Fork softpipe for experimentation with llvm.
[mesa.git] / src / gallium / drivers / llvmpipe / lp_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
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 "lp_flush.h"
36 #include "lp_context.h"
37 #include "lp_surface.h"
38 #include "lp_state.h"
39 #include "lp_tile_cache.h"
40 #include "lp_winsys.h"
41
42
43 void
44 llvmpipe_flush( struct pipe_context *pipe,
45 unsigned flags,
46 struct pipe_fence_handle **fence )
47 {
48 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
49 uint i;
50
51 draw_flush(llvmpipe->draw);
52
53 if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
54 for (i = 0; i < llvmpipe->num_textures; i++) {
55 lp_flush_tile_cache(llvmpipe, llvmpipe->tex_cache[i]);
56 }
57 }
58
59 if (flags & PIPE_FLUSH_RENDER_CACHE) {
60 for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++)
61 if (llvmpipe->cbuf_cache[i])
62 lp_flush_tile_cache(llvmpipe, llvmpipe->cbuf_cache[i]);
63
64 if (llvmpipe->zsbuf_cache)
65 lp_flush_tile_cache(llvmpipe, llvmpipe->zsbuf_cache);
66
67 /* Need this call for hardware buffers before swapbuffers.
68 *
69 * there should probably be another/different flush-type function
70 * that's called before swapbuffers because we don't always want
71 * to unmap surfaces when flushing.
72 */
73 llvmpipe_unmap_transfers(llvmpipe);
74
75 llvmpipe->dirty_render_cache = FALSE;
76 }
77
78 /* Enable to dump BMPs of the color/depth buffers each frame */
79 #if 0
80 if(flags & PIPE_FLUSH_FRAME) {
81 static unsigned frame_no = 1;
82 static char filename[256];
83 util_snprintf(filename, sizeof(filename), "cbuf_%u.bmp", frame_no);
84 debug_dump_surface_bmp(filename, llvmpipe->framebuffer.cbufs[0]);
85 util_snprintf(filename, sizeof(filename), "zsbuf_%u.bmp", frame_no);
86 debug_dump_surface_bmp(filename, llvmpipe->framebuffer.zsbuf);
87 ++frame_no;
88 }
89 #endif
90
91 if (fence)
92 *fence = NULL;
93 }
94