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
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#define LOG_TAG "hwc-drm-utils"
#include <log/log.h>
#include <ui/Gralloc.h>
#include <ui/GraphicBufferMapper.h>
#include "bufferinfo/BufferInfoGetter.h"
#include "drm/DrmFbImporter.h"
#include "drmhwcomposer.h"
#define UNUSED(x) (void)(x)
namespace android {
const hwc_drm_bo *DrmHwcBuffer::operator->() const {
if (mDrmDevice == nullptr) {
ALOGE("Access of non-existent BO");
exit(1);
return nullptr;
}
return &bo_;
}
void DrmHwcBuffer::Clear() {
FbIdHandle.reset();
mDrmDevice = nullptr;
}
int DrmHwcBuffer::ImportBuffer(buffer_handle_t handle, DrmDevice *drmDevice) {
hwc_drm_bo tmp_bo{};
int ret = BufferInfoGetter::GetInstance()->ConvertBoInfo(handle, &tmp_bo);
if (ret) {
ALOGE("Failed to convert buffer info %d", ret);
return ret;
}
FbIdHandle = drmDevice->GetDrmFbImporter().GetOrCreateFbId(&tmp_bo);
if (!FbIdHandle) {
ALOGE("Failed to import buffer");
return -EINVAL;
}
mDrmDevice = drmDevice;
bo_ = tmp_bo;
return 0;
}
int DrmHwcLayer::ImportBuffer(DrmDevice *drmDevice) {
int ret = buffer.ImportBuffer(sf_handle, drmDevice);
if (ret)
return ret;
const hwc_drm_bo *bo = buffer.operator->();
gralloc_buffer_usage = bo->usage;
return 0;
}
int DrmHwcLayer::InitFromDrmHwcLayer(DrmHwcLayer *src_layer,
DrmDevice *drmDevice) {
blending = src_layer->blending;
sf_handle = src_layer->sf_handle;
acquire_fence = -1;
display_frame = src_layer->display_frame;
alpha = src_layer->alpha;
source_crop = src_layer->source_crop;
transform = src_layer->transform;
return ImportBuffer(drmDevice);
}
void DrmHwcLayer::SetTransform(int32_t sf_transform) {
transform = 0;
// 270* and 180* cannot be combined with flips. More specifically, they
// already contain both horizontal and vertical flips, so those fields are
// redundant in this case. 90* rotation can be combined with either horizontal
// flip or vertical flip, so treat it differently
if (sf_transform == HWC_TRANSFORM_ROT_270) {
transform = DrmHwcTransform::kRotate270;
} else if (sf_transform == HWC_TRANSFORM_ROT_180) {
transform = DrmHwcTransform::kRotate180;
} else {
if (sf_transform & HWC_TRANSFORM_FLIP_H)
transform |= DrmHwcTransform::kFlipH;
if (sf_transform & HWC_TRANSFORM_FLIP_V)
transform |= DrmHwcTransform::kFlipV;
if (sf_transform & HWC_TRANSFORM_ROT_90)
transform |= DrmHwcTransform::kRotate90;
}
}
} // namespace android
|
