1 /**************************************************************************
3 * Copyright 2008 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 **************************************************************************/
32 * @author Jose Fonseca <jrfonseca@tungstengraphics.com>
36 #include "pipe/p_compiler.h"
37 #include "pipe/p_error.h"
38 #include "pipe/p_util.h"
39 #include "pipe/p_debug.h"
41 #include "pb_buffer.h"
42 #include "pb_buffer_fenced.h"
43 #include "pb_validate.h"
46 #define PB_VALIDATE_INITIAL_SIZE 1 /* 512 */
51 struct pb_buffer
**buffers
;
58 pb_validate_add_buffer(struct pb_validate
*vl
,
59 struct pb_buffer
*buf
)
65 /* We only need to store one reference for each buffer, so avoid storing
66 * consecutive references for the same buffer. It might not be the more
67 * common pasttern, but it is easy to implement.
69 if(vl
->used
&& vl
->buffers
[vl
->used
- 1] == buf
) {
74 if(vl
->used
== vl
->size
) {
76 struct pb_buffer
**new_buffers
;
78 new_size
= vl
->size
* 2;
80 return PIPE_ERROR_OUT_OF_MEMORY
;
82 new_buffers
= (struct pb_buffer
**)REALLOC(vl
->buffers
,
83 vl
->size
*sizeof(struct pb_buffer
*),
84 new_size
*sizeof(struct pb_buffer
*));
86 return PIPE_ERROR_OUT_OF_MEMORY
;
88 memset(new_buffers
+ vl
->size
, 0, (new_size
- vl
->size
)*sizeof(struct pb_buffer
*));
91 vl
->buffers
= new_buffers
;
94 assert(!vl
->buffers
[vl
->used
]);
95 pb_reference(&vl
->buffers
[vl
->used
], buf
);
103 pb_validate_validate(struct pb_validate
*vl
)
105 /* FIXME: go through each buffer, ensure its not mapped, its address is
106 * available -- requires a new pb_buffer interface */
112 pb_validate_fence(struct pb_validate
*vl
,
113 struct pipe_fence_handle
*fence
)
116 for(i
= 0; i
< vl
->used
; ++i
) {
117 buffer_fence(vl
->buffers
[i
], fence
);
118 pb_reference(&vl
->buffers
[i
], NULL
);
125 pb_validate_destroy(struct pb_validate
*vl
)
128 for(i
= 0; i
< vl
->used
; ++i
)
129 pb_reference(&vl
->buffers
[i
], NULL
);
138 struct pb_validate
*vl
;
140 vl
= CALLOC_STRUCT(pb_validate
);
144 vl
->size
= PB_VALIDATE_INITIAL_SIZE
;
145 vl
->buffers
= (struct pb_buffer
**)CALLOC(vl
->size
, sizeof(struct pb_buffer
*));