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
|
/*
* Copyright © 2011 Intel Corporation
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Chris Wilson <chris@chris-wilson.co.uk>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "sna.h"
#include "sna_render.h"
#include "brw/brw.h"
int sna_static_stream_init(struct sna_static_stream *stream)
{
stream->used = 0;
stream->size = 64*1024;
stream->data = malloc(stream->size);
return stream->data != NULL;
}
static uint32_t sna_static_stream_alloc(struct sna_static_stream *stream,
uint32_t len, uint32_t align)
{
uint32_t offset = ALIGN(stream->used, align);
uint32_t size = offset + len;
if (size > stream->size) {
do
stream->size *= 2;
while (stream->size < size);
stream->data = realloc(stream->data, stream->size);
}
stream->used = size;
return offset;
}
uint32_t sna_static_stream_add(struct sna_static_stream *stream,
const void *data, uint32_t len, uint32_t align)
{
uint32_t offset = sna_static_stream_alloc(stream, len, align);
memcpy(stream->data + offset, data, len);
return offset;
}
void *sna_static_stream_map(struct sna_static_stream *stream,
uint32_t len, uint32_t align)
{
uint32_t offset = sna_static_stream_alloc(stream, len, align);
return memset(stream->data + offset, 0, len);
}
uint32_t sna_static_stream_offsetof(struct sna_static_stream *stream, void *ptr)
{
return (uint8_t *)ptr - stream->data;
}
struct kgem_bo *sna_static_stream_fini(struct sna *sna,
struct sna_static_stream *stream)
{
struct kgem_bo *bo;
DBG(("uploaded %d bytes of static state\n", stream->used));
bo = kgem_create_linear(&sna->kgem, stream->used, 0);
if (bo && !kgem_bo_write(&sna->kgem, bo, stream->data, stream->used)) {
kgem_bo_destroy(&sna->kgem, bo);
return NULL;
}
free(stream->data);
return bo;
}
unsigned
sna_static_stream_compile_sf(struct sna *sna,
struct sna_static_stream *stream,
bool (*compile)(struct brw_compile *))
{
struct brw_compile p;
brw_compile_init(&p, sna->kgem.gen,
sna_static_stream_map(stream,
64*sizeof(uint32_t), 64));
if (!compile(&p)) {
stream->used -= 64*sizeof(uint32_t);
return 0;
}
assert(p.nr_insn*sizeof(struct brw_instruction) <= 64*sizeof(uint32_t));
stream->used -= 64*sizeof(uint32_t) - p.nr_insn*sizeof(struct brw_instruction);
return sna_static_stream_offsetof(stream, p.store);
}
unsigned
sna_static_stream_compile_wm(struct sna *sna,
struct sna_static_stream *stream,
bool (*compile)(struct brw_compile *, int),
int dispatch_width)
{
struct brw_compile p;
brw_compile_init(&p, sna->kgem.gen,
sna_static_stream_map(stream,
256*sizeof(uint32_t), 64));
if (!compile(&p, dispatch_width)) {
stream->used -= 256*sizeof(uint32_t);
return 0;
}
assert(p.nr_insn*sizeof(struct brw_instruction) <= 256*sizeof(uint32_t));
stream->used -= 256*sizeof(uint32_t) - p.nr_insn*sizeof(struct brw_instruction);
return sna_static_stream_offsetof(stream, p.store);
}
|
