1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <unistd.h>
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "cell_context.h"
#include "cell_batch.h"
#include "cell_fence.h"
#include "cell_texture.h"
void
cell_fence_init(struct cell_fence *fence)
{
uint i;
ASSERT_ALIGN16(fence->status);
for (i = 0; i < CELL_MAX_SPUS; i++) {
fence->status[i][0] = CELL_FENCE_IDLE;
}
}
boolean
cell_fence_signalled(const struct cell_context *cell,
const struct cell_fence *fence)
{
uint i;
for (i = 0; i < cell->num_spus; i++) {
if (fence->status[i][0] != CELL_FENCE_SIGNALLED)
return FALSE;
/*assert(fence->status[i][0] == CELL_FENCE_EMITTED);*/
}
return TRUE;
}
void
cell_fence_finish(const struct cell_context *cell,
const struct cell_fence *fence)
{
while (!cell_fence_signalled(cell, fence)) {
usleep(10);
}
#ifdef DEBUG
{
uint i;
for (i = 0; i < cell->num_spus; i++) {
assert(fence->status[i][0] == CELL_FENCE_SIGNALLED);
}
}
#endif
}
struct cell_buffer_node
{
struct pipe_buffer *buffer;
struct cell_buffer_node *next;
};
static void
cell_add_buffer_to_list(struct cell_context *cell,
struct cell_buffer_list *list,
struct pipe_buffer *buffer)
{
struct cell_buffer_node *node = CALLOC_STRUCT(cell_buffer_node);
/* create new list node which references the buffer, insert at head */
if (node) {
pipe_buffer_reference(&node->buffer, buffer);
node->next = list->head;
list->head = node;
}
}
/**
* Wait for completion of the given fence, then unreference any buffers
* on the list.
* This typically unrefs/frees texture buffers after any rendering which uses
* them has completed.
*/
void
cell_free_fenced_buffers(struct cell_context *cell,
struct cell_buffer_list *list)
{
if (list->head) {
struct pipe_screen *ps = cell->pipe.screen;
struct cell_buffer_node *node;
cell_fence_finish(cell, &list->fence);
/* traverse the list, unreferencing buffers, freeing nodes */
node = list->head;
while (node) {
struct cell_buffer_node *next = node->next;
assert(node->buffer);
pipe_buffer_unmap(ps, node->buffer);
#if 0
printf("Unref buffer %p\n", node->buffer);
if (node->buffer->reference.count == 1)
printf(" Delete!\n");
#endif
pipe_buffer_reference(&node->buffer, NULL);
FREE(node);
node = next;
}
list->head = NULL;
}
}
/**
* This should be called for each render command.
* Any texture buffers that are current bound will be added to a fenced
* list to be freed later when the fence is executed/signalled.
*/
void
cell_add_fenced_textures(struct cell_context *cell)
{
struct cell_buffer_list *list = &cell->fenced_buffers[cell->cur_batch];
uint i;
for (i = 0; i < cell->num_textures; i++) {
struct cell_texture *ct = cell->texture[i];
if (ct) {
#if 0
printf("Adding texture %p buffer %p to list\n",
ct, ct->tiled_buffer[level]);
#endif
#if 00
/* XXX this needs to be fixed/restored!
* Maybe keep pointers to textures, not buffers.
*/
if (ct->base.buffer)
cell_add_buffer_to_list(cell, list, ct->buffer);
#endif
}
}
}
|
