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 "pipe/p_screen.h"
35 #include "draw/draw_context.h"
37 #include "sp_context.h"
39 #include "sp_tile_cache.h"
40 #include "sp_tex_tile_cache.h"
44 softpipe_flush( struct pipe_context
*pipe
,
46 struct pipe_fence_handle
**fence
)
48 struct softpipe_context
*softpipe
= softpipe_context(pipe
);
51 draw_flush(softpipe
->draw
);
53 if (flags
& PIPE_FLUSH_TEXTURE_CACHE
) {
54 for (i
= 0; i
< softpipe
->num_fragment_sampler_views
; i
++) {
55 sp_flush_tex_tile_cache(softpipe
->fragment_tex_cache
[i
]);
57 for (i
= 0; i
< softpipe
->num_vertex_sampler_views
; i
++) {
58 sp_flush_tex_tile_cache(softpipe
->vertex_tex_cache
[i
]);
60 for (i
= 0; i
< softpipe
->num_geometry_sampler_views
; i
++) {
61 sp_flush_tex_tile_cache(softpipe
->geometry_tex_cache
[i
]);
65 if (flags
& PIPE_FLUSH_SWAPBUFFERS
) {
66 /* If this is a swapbuffers, just flush color buffers.
68 * The zbuffer changes are not discarded, but held in the cache
69 * in the hope that a later clear will wipe them out.
71 for (i
= 0; i
< softpipe
->framebuffer
.nr_cbufs
; i
++)
72 if (softpipe
->cbuf_cache
[i
])
73 sp_flush_tile_cache(softpipe
->cbuf_cache
[i
]);
75 /* Need this call for hardware buffers before swapbuffers.
77 * there should probably be another/different flush-type function
78 * that's called before swapbuffers because we don't always want
79 * to unmap surfaces when flushing.
81 softpipe_unmap_transfers(softpipe
);
83 else if (flags
& PIPE_FLUSH_RENDER_CACHE
) {
84 for (i
= 0; i
< softpipe
->framebuffer
.nr_cbufs
; i
++)
85 if (softpipe
->cbuf_cache
[i
])
86 sp_flush_tile_cache(softpipe
->cbuf_cache
[i
]);
88 if (softpipe
->zsbuf_cache
)
89 sp_flush_tile_cache(softpipe
->zsbuf_cache
);
91 softpipe
->dirty_render_cache
= FALSE
;
94 /* Enable to dump BMPs of the color/depth buffers each frame */
96 if(flags
& PIPE_FLUSH_FRAME
) {
97 static unsigned frame_no
= 1;
98 static char filename
[256];
99 util_snprintf(filename
, sizeof(filename
), "cbuf_%u.bmp", frame_no
);
100 debug_dump_surface_bmp(softpipe
, filename
, softpipe
->framebuffer
.cbufs
[0]);
101 util_snprintf(filename
, sizeof(filename
), "zsbuf_%u.bmp", frame_no
);
102 debug_dump_surface_bmp(softpipe
, filename
, softpipe
->framebuffer
.zsbuf
);
113 * Flush context if necessary.
115 * Returns FALSE if it would have block, but do_not_block was set, TRUE
118 * TODO: move this logic to an auxiliary library?
121 softpipe_flush_resource(struct pipe_context
*pipe
,
122 struct pipe_resource
*texture
,
125 unsigned flush_flags
,
128 boolean do_not_block
)
132 referenced
= softpipe_is_resource_referenced(pipe
, texture
, level
, layer
);
134 if ((referenced
& SP_REFERENCED_FOR_WRITE
) ||
135 ((referenced
& SP_REFERENCED_FOR_READ
) && !read_only
)) {
138 * TODO: The semantics of these flush flags are too obtuse. They should
139 * disappear and the pipe driver should just ensure that all visible
140 * side-effects happen when they need to happen.
142 if (referenced
& SP_REFERENCED_FOR_WRITE
)
143 flush_flags
|= PIPE_FLUSH_RENDER_CACHE
;
145 if (referenced
& SP_REFERENCED_FOR_READ
)
146 flush_flags
|= PIPE_FLUSH_TEXTURE_CACHE
;
153 struct pipe_fence_handle
*fence
= NULL
;
158 pipe
->flush(pipe
, flush_flags
, &fence
);
162 * This is for illustrative purposes only, as softpipe does not
165 pipe
->screen
->fence_finish(pipe
->screen
, fence
,
166 PIPE_TIMEOUT_INFINITE
);
167 pipe
->screen
->fence_reference(pipe
->screen
, &fence
, NULL
);
174 pipe
->flush(pipe
, flush_flags
, NULL
);