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_defines.h"
38 #include "util/u_memory.h"
39 #include "util/u_debug.h"
41 #include "pb_buffer.h"
42 #include "pb_validate.h"
45 #define PB_VALIDATE_INITIAL_SIZE 1 /* 512 */
48 struct pb_validate_entry
50 struct pb_buffer *buf;
57 struct pb_validate_entry *entries;
64 pb_validate_add_buffer(struct pb_validate *vl,
65 struct pb_buffer *buf,
72 assert(flags & PB_USAGE_GPU_READ_WRITE);
73 assert(!(flags & ~PB_USAGE_GPU_READ_WRITE));
74 flags &= PB_USAGE_GPU_READ_WRITE;
76 /* We only need to store one reference for each buffer, so avoid storing
77 * consecutive references for the same buffer. It might not be the most
78 * common pattern, but it is easy to implement.
80 if(vl->used && vl->entries[vl->used - 1].buf == buf) {
81 vl->entries[vl->used - 1].flags |= flags;
86 if(vl->used == vl->size) {
88 struct pb_validate_entry *new_entries;
90 new_size = vl->size * 2;
92 return PIPE_ERROR_OUT_OF_MEMORY;
94 new_entries = (struct pb_validate_entry *)REALLOC(vl->entries,
95 vl->size*sizeof(struct pb_validate_entry),
96 new_size*sizeof(struct pb_validate_entry));
98 return PIPE_ERROR_OUT_OF_MEMORY;
100 memset(new_entries + vl->size, 0, (new_size - vl->size)*sizeof(struct pb_validate_entry));
103 vl->entries = new_entries;
106 assert(!vl->entries[vl->used].buf);
107 pb_reference(&vl->entries[vl->used].buf, buf);
108 vl->entries[vl->used].flags = flags;
116 pb_validate_foreach(struct pb_validate *vl,
117 enum pipe_error (*callback)(struct pb_buffer *buf, void *data),
121 for(i = 0; i < vl->used; ++i) {
123 ret = callback(vl->entries[i].buf, data);
132 pb_validate_validate(struct pb_validate *vl)
136 for(i = 0; i < vl->used; ++i) {
138 ret = pb_validate(vl->entries[i].buf, vl, vl->entries[i].flags);
141 pb_validate(vl->entries[i].buf, NULL, 0);
151 pb_validate_fence(struct pb_validate *vl,
152 struct pipe_fence_handle *fence)
155 for(i = 0; i < vl->used; ++i) {
156 pb_fence(vl->entries[i].buf, fence);
157 pb_reference(&vl->entries[i].buf, NULL);
164 pb_validate_destroy(struct pb_validate *vl)
167 for(i = 0; i < vl->used; ++i)
168 pb_reference(&vl->entries[i].buf, NULL);
177 struct pb_validate *vl;
179 vl = CALLOC_STRUCT(pb_validate);
183 vl->size = PB_VALIDATE_INITIAL_SIZE;
184 vl->entries = (struct pb_validate_entry *)CALLOC(vl->size, sizeof(struct pb_validate_entry));