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
|
/*
* Copyright 2016 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifdef DRV_AMDGPU
#include <amdgpu.h>
#include <amdgpu_drm.h>
#include <dlfcn.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <xf86drm.h>
#include "drv_priv.h"
#include "helpers.h"
#include "util.h"
#include "dri.h"
// clang-format off
#define DRI_PATH "/usr/lib64/dri/radeonsi_dri.so"
// clang-format on
const static uint32_t render_target_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888,
DRM_FORMAT_RGB565, DRM_FORMAT_XBGR8888,
DRM_FORMAT_XRGB8888 };
const static uint32_t texture_source_formats[] = { DRM_FORMAT_GR88, DRM_FORMAT_R8, DRM_FORMAT_NV21,
DRM_FORMAT_NV12 };
static int amdgpu_init(struct driver *drv)
{
drv->priv = malloc(sizeof(struct dri_driver_priv));
if (dri_init(drv, DRI_PATH, "radeonsi") < 0)
return -1;
struct format_metadata metadata;
uint64_t use_flags = BO_USE_RENDER_MASK;
drv_add_combinations(drv, texture_source_formats, ARRAY_SIZE(texture_source_formats),
&LINEAR_METADATA, BO_USE_TEXTURE_MASK);
/* YUV format for camera */
drv_modify_combination(drv, DRM_FORMAT_NV12, &LINEAR_METADATA,
BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE);
/*
* R8 format is used for Android's HAL_PIXEL_FORMAT_BLOB and is used for JPEG snapshots
* from camera.
*/
drv_modify_combination(drv, DRM_FORMAT_R8, &LINEAR_METADATA,
BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE);
drv_modify_combination(drv, DRM_FORMAT_NV21, &LINEAR_METADATA, BO_USE_SCANOUT);
drv_modify_combination(drv, DRM_FORMAT_NV12, &LINEAR_METADATA, BO_USE_SCANOUT);
metadata.tiling = 0xf00f; /* TODO */
metadata.priority = 2;
metadata.modifier = DRM_FORMAT_MOD_LINEAR;
drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats),
&metadata, use_flags);
drv_modify_combination(drv, DRM_FORMAT_ARGB8888, &metadata, BO_USE_CURSOR | BO_USE_SCANOUT);
drv_modify_combination(drv, DRM_FORMAT_XRGB8888, &metadata, BO_USE_CURSOR | BO_USE_SCANOUT);
drv_modify_combination(drv, DRM_FORMAT_XBGR8888, &metadata, BO_USE_SCANOUT);
metadata.tiling = 0xf00f; /* TODO */
metadata.priority = 3;
metadata.modifier = DRM_FORMAT_MOD_LINEAR;
drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats),
&metadata, use_flags);
use_flags &= ~BO_USE_SW_WRITE_OFTEN;
use_flags &= ~BO_USE_SW_READ_OFTEN;
use_flags &= ~BO_USE_LINEAR;
metadata.tiling = 0xf00f; /* TODO */
metadata.priority = 4;
drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats),
&metadata, use_flags);
drv_modify_combination(drv, DRM_FORMAT_ARGB8888, &metadata, BO_USE_SCANOUT);
drv_modify_combination(drv, DRM_FORMAT_XRGB8888, &metadata, BO_USE_SCANOUT);
drv_modify_combination(drv, DRM_FORMAT_XBGR8888, &metadata, BO_USE_SCANOUT);
metadata.tiling = 0xf00f; /* TODO */
metadata.priority = 5;
drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats),
&metadata, use_flags);
return 0;
}
static void amdgpu_close(struct driver *drv)
{
dri_close(drv);
free(drv->priv);
drv->priv = NULL;
}
static int amdgpu_bo_create(struct bo *bo, uint32_t width, uint32_t height,
uint32_t format, uint64_t use_flags)
{
/* TODO: The format checks should be redundant; this is really about
* providing linear surfaces for the camera system; using NV12 formats
* with the GPU shouldn't require linear.
*/
if (format == DRM_FORMAT_NV12 || format == DRM_FORMAT_NV21 ||
use_flags & (BO_USE_CAMERA_WRITE | BO_USE_CAMERA_READ))
use_flags |= BO_USE_LINEAR;
return dri_bo_create(bo, width, height, format, use_flags);
}
static uint32_t amdgpu_resolve_format(uint32_t format, uint64_t use_flags)
{
switch (format) {
case DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
/* Camera subsystem requires NV12. */
if (use_flags & (BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE))
return DRM_FORMAT_NV12;
/*HACK: See b/28671744 */
return DRM_FORMAT_XBGR8888;
case DRM_FORMAT_FLEX_YCbCr_420_888:
return DRM_FORMAT_NV12;
default:
return format;
}
}
const struct backend backend_amdgpu = {
.name = "amdgpu",
.init = amdgpu_init,
.close = amdgpu_close,
.bo_create = amdgpu_bo_create,
.bo_destroy = dri_bo_destroy,
.bo_import = dri_bo_import,
.bo_map = dri_bo_map,
.bo_unmap = dri_bo_unmap,
.resolve_format = amdgpu_resolve_format,
};
#endif
|
