1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
29 * Keith Whitwell <keith@tungstengraphics.com>
33 #include "pipe/p_defines.h"
34 #include "draw/draw_context.h"
36 #include "lp_context.h"
41 * \param flags bitmask of PIPE_FLUSH_x flags
42 * \param fence if non-null, returns pointer to a fench which can be waited on
45 llvmpipe_flush( struct pipe_context
*pipe
,
47 struct pipe_fence_handle
**fence
)
49 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
51 draw_flush(llvmpipe
->draw
);
54 if ((flags
& (PIPE_FLUSH_SWAPBUFFERS
|
55 PIPE_FLUSH_RENDER_CACHE
))) {
56 /* if we're going to flush the setup/rasterization modules, emit
58 * XXX this (and the code below) may need fine tuning...
60 *fence
= lp_setup_fence( llvmpipe
->setup
);
67 /* ask the setup module to flush */
68 if (flags
& (PIPE_FLUSH_SWAPBUFFERS
| PIPE_FLUSH_RENDER_CACHE
|
69 PIPE_FLUSH_TEXTURE_CACHE
)) {
70 lp_setup_flush(llvmpipe
->setup
, flags
);
73 /* Enable to dump BMPs of the color/depth buffers each frame */
75 if (flags
& PIPE_FLUSH_FRAME
) {
76 static unsigned frame_no
= 1;
80 for (i
= 0; i
< llvmpipe
->framebuffer
.nr_cbufs
; i
++) {
81 util_snprintf(filename
, sizeof(filename
), "cbuf%u_%u", i
, frame_no
);
82 debug_dump_surface_bmp(&llvmpipe
->pipe
, filename
, llvmpipe
->framebuffer
.cbufs
[0]);
86 util_snprintf(filename
, sizeof(filename
), "zsbuf_%u", frame_no
);
87 debug_dump_surface_bmp(&llvmpipe
->pipe
, filename
, llvmpipe
->framebuffer
.zsbuf
);
97 * Flush context if necessary.
99 * Returns FALSE if it would have block, but do_not_block was set, TRUE
102 * TODO: move this logic to an auxiliary library?
105 llvmpipe_flush_resource(struct pipe_context
*pipe
,
106 struct pipe_resource
*texture
,
109 unsigned flush_flags
,
112 boolean do_not_block
)
116 referenced
= pipe
->is_resource_referenced(pipe
, texture
, face
, level
);
118 if ((referenced
& PIPE_REFERENCED_FOR_WRITE
) ||
119 ((referenced
& PIPE_REFERENCED_FOR_READ
) && !read_only
)) {
122 * TODO: The semantics of these flush flags are too obtuse. They should
123 * disappear and the pipe driver should just ensure that all visible
124 * side-effects happen when they need to happen.
126 if (referenced
& PIPE_REFERENCED_FOR_WRITE
)
127 flush_flags
|= PIPE_FLUSH_RENDER_CACHE
;
129 if (referenced
& PIPE_REFERENCED_FOR_READ
)
130 flush_flags
|= PIPE_FLUSH_TEXTURE_CACHE
;
137 struct pipe_fence_handle
*fence
= NULL
;
142 pipe
->flush(pipe
, flush_flags
, &fence
);
145 pipe
->screen
->fence_finish(pipe
->screen
, fence
, 0);
146 pipe
->screen
->fence_reference(pipe
->screen
, &fence
, NULL
);
153 pipe
->flush(pipe
, flush_flags
, NULL
);