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
169
170
171
|
/*
* Copyright © 2020 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.
*
*/
#include <sys/ioctl.h>
#include "igt.h"
#include "igt_x86.h"
#include "rendercopy_bufmgr.h"
/**
* SECTION:rendercopy_bufmgr
* @short_description: Render copy buffer manager
* @title: Render copy bufmgr
* @include: igt.h
*
* # Rendercopy buffer manager
*
* Rendercopy depends on libdrm and igt_buf, so some middle layer to intel_buf
* and buf_ops is required.
*
* |[<!-- language="c" -->
* struct rendercopy_bufmgr *bmgr;
* ...
* bmgr = rendercopy_bufmgr_create(fd, bufmgr);
* ...
* igt_buf_init(bmgr, &buf, 512, 512, 32, I915_TILING_X, false);
* ...
* linear_to_igt_buf(bmgr, &buf, linear);
* ...
* igt_buf_to_linear(bmgr, &buf, linear);
* ...
* rendercopy_bufmgr_destroy(bmgr);
* ]|
*/
struct rendercopy_bufmgr {
int fd;
drm_intel_bufmgr *bufmgr;
struct buf_ops *bops;
};
static void __igt_buf_to_intel_buf(struct igt_buf *buf, struct intel_buf *ibuf)
{
ibuf->handle = buf->bo->handle;
ibuf->stride = buf->surface[0].stride;
ibuf->tiling = buf->tiling;
ibuf->bpp = buf->bpp;
ibuf->size = buf->surface[0].size;
ibuf->compression = buf->compression;
ibuf->aux.offset = buf->ccs[0].offset;
ibuf->aux.stride = buf->ccs[0].stride;
}
void igt_buf_to_linear(struct rendercopy_bufmgr *bmgr, struct igt_buf *buf,
uint32_t *linear)
{
struct intel_buf ibuf;
__igt_buf_to_intel_buf(buf, &ibuf);
intel_buf_to_linear(bmgr->bops, &ibuf, linear);
}
void linear_to_igt_buf(struct rendercopy_bufmgr *bmgr, struct igt_buf *buf,
uint32_t *linear)
{
struct intel_buf ibuf;
__igt_buf_to_intel_buf(buf, &ibuf);
linear_to_intel_buf(bmgr->bops, &ibuf, linear);
}
struct rendercopy_bufmgr *
rendercopy_bufmgr_create(int fd, drm_intel_bufmgr *bufmgr)
{
struct buf_ops *bops;
struct rendercopy_bufmgr *bmgr;
igt_assert(bufmgr);
bops = buf_ops_create(fd);
igt_assert(bops);
bmgr = calloc(1, sizeof(*bmgr));
igt_assert(bmgr);
bmgr->fd = fd;
bmgr->bufmgr = bufmgr;
bmgr->bops = bops;
return bmgr;
}
void rendercopy_bufmgr_destroy(struct rendercopy_bufmgr *bmgr)
{
igt_assert(bmgr);
igt_assert(bmgr->bops);
buf_ops_destroy(bmgr->bops);
free(bmgr);
}
bool rendercopy_bufmgr_set_software_tiling(struct rendercopy_bufmgr *bmgr,
uint32_t tiling,
bool use_software_tiling)
{
return buf_ops_set_software_tiling(bmgr->bops, tiling,
use_software_tiling);
}
void igt_buf_init(struct rendercopy_bufmgr *bmgr, struct igt_buf *buf,
int width, int height, int bpp,
uint32_t tiling, uint32_t compression)
{
uint32_t devid = intel_get_drm_devid(bmgr->fd);
int generation= intel_gen(devid);
struct intel_buf ibuf;
int size;
memset(buf, 0, sizeof(*buf));
buf->surface[0].stride = ALIGN(width * (bpp / 8), 128);
buf->surface[0].size = buf->surface[0].stride * height;
buf->tiling = tiling;
buf->bpp = bpp;
buf->compression = compression;
size = buf->surface[0].stride * ALIGN(height, 32);
if (compression) {
int ccs_width = igt_buf_intel_ccs_width(generation, buf);
int ccs_height = igt_buf_intel_ccs_height(generation, buf);
buf->ccs[0].offset = buf->surface[0].stride * ALIGN(height, 32);
buf->ccs[0].stride = ccs_width;
size = buf->ccs[0].offset + ccs_width * ccs_height;
}
buf->bo = drm_intel_bo_alloc(bmgr->bufmgr, "", size, 4096);
intel_buf_init_using_handle(bmgr->bops,
buf->bo->handle,
&ibuf,
width, height, bpp, 0,
tiling, compression);
buf->ccs[0].offset = ibuf.aux.offset;
buf->ccs[0].stride = ibuf.aux.stride;
}
|
