1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
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 VMWARE 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 <keithw@vmware.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"
41 #include "util/u_debug_image.h"
42 #include "util/u_memory.h"
43 #include "util/u_string.h"
47 softpipe_flush( struct pipe_context
*pipe
,
49 struct pipe_fence_handle
**fence
)
51 struct softpipe_context
*softpipe
= softpipe_context(pipe
);
54 draw_flush(softpipe
->draw
);
56 if (flags
& SP_FLUSH_TEXTURE_CACHE
) {
59 for (sh
= 0; sh
< ARRAY_SIZE(softpipe
->tex_cache
); sh
++) {
60 for (i
= 0; i
< softpipe
->num_sampler_views
[sh
]; i
++) {
61 sp_flush_tex_tile_cache(softpipe
->tex_cache
[sh
][i
]);
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 if (softpipe
->zsbuf_cache
)
76 sp_flush_tile_cache(softpipe
->zsbuf_cache
);
78 softpipe
->dirty_render_cache
= FALSE
;
80 /* Enable to dump BMPs of the color/depth buffers each frame */
82 if (flags
& PIPE_FLUSH_END_OF_FRAME
) {
83 static unsigned frame_no
= 1;
84 static char filename
[256];
85 util_snprintf(filename
, sizeof(filename
), "cbuf_%u.bmp", frame_no
);
86 debug_dump_surface_bmp(pipe
, filename
, softpipe
->framebuffer
.cbufs
[0]);
87 util_snprintf(filename
, sizeof(filename
), "zsbuf_%u.bmp", frame_no
);
88 debug_dump_surface_bmp(pipe
, filename
, softpipe
->framebuffer
.zsbuf
);
94 *fence
= (void*)(intptr_t)1;
98 softpipe_flush_wrapped(struct pipe_context
*pipe
,
99 struct pipe_fence_handle
**fence
,
102 softpipe_flush(pipe
, SP_FLUSH_TEXTURE_CACHE
, fence
);
107 * Flush context if necessary.
109 * Returns FALSE if it would have block, but do_not_block was set, TRUE
112 * TODO: move this logic to an auxiliary library?
115 softpipe_flush_resource(struct pipe_context
*pipe
,
116 struct pipe_resource
*texture
,
119 unsigned flush_flags
,
122 boolean do_not_block
)
126 referenced
= softpipe_is_resource_referenced(pipe
, texture
, level
, layer
);
128 if ((referenced
& SP_REFERENCED_FOR_WRITE
) ||
129 ((referenced
& SP_REFERENCED_FOR_READ
) && !read_only
)) {
132 * TODO: The semantics of these flush flags are too obtuse. They should
133 * disappear and the pipe driver should just ensure that all visible
134 * side-effects happen when they need to happen.
136 if (referenced
& SP_REFERENCED_FOR_READ
)
137 flush_flags
|= SP_FLUSH_TEXTURE_CACHE
;
144 struct pipe_fence_handle
*fence
= NULL
;
149 softpipe_flush(pipe
, flush_flags
, &fence
);
153 * This is for illustrative purposes only, as softpipe does not
156 pipe
->screen
->fence_finish(pipe
->screen
, NULL
, fence
,
157 PIPE_TIMEOUT_INFINITE
);
158 pipe
->screen
->fence_reference(pipe
->screen
, &fence
, NULL
);
165 softpipe_flush(pipe
, flush_flags
, NULL
);
172 void softpipe_texture_barrier(struct pipe_context
*pipe
, unsigned flags
)
174 struct softpipe_context
*softpipe
= softpipe_context(pipe
);
177 for (sh
= 0; sh
< ARRAY_SIZE(softpipe
->tex_cache
); sh
++) {
178 for (i
= 0; i
< softpipe
->num_sampler_views
[sh
]; i
++) {
179 sp_flush_tex_tile_cache(softpipe
->tex_cache
[sh
][i
]);
183 for (i
= 0; i
< softpipe
->framebuffer
.nr_cbufs
; i
++)
184 if (softpipe
->cbuf_cache
[i
])
185 sp_flush_tile_cache(softpipe
->cbuf_cache
[i
]);
187 if (softpipe
->zsbuf_cache
)
188 sp_flush_tile_cache(softpipe
->zsbuf_cache
);
190 softpipe
->dirty_render_cache
= FALSE
;
193 void softpipe_memory_barrier(struct pipe_context
*pipe
, unsigned flags
)
195 if (!(flags
& ~PIPE_BARRIER_UPDATE
))
198 softpipe_texture_barrier(pipe
, 0);