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
|
/*
* Copyright 2020 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.
*/
#include "cros_gralloc/gralloc3/CrosGralloc3Allocator.h"
#include <optional>
#include <android/hardware/graphics/mapper/3.0/IMapper.h>
#include "cros_gralloc/cros_gralloc_helpers.h"
#include "cros_gralloc/gralloc3/CrosGralloc3Utils.h"
using android::hardware::hidl_handle;
using android::hardware::hidl_vec;
using android::hardware::Return;
using android::hardware::Void;
using android::hardware::graphics::common::V1_2::BufferUsage;
using android::hardware::graphics::common::V1_2::PixelFormat;
using android::hardware::graphics::mapper::V3_0::Error;
using BufferDescriptorInfo =
android::hardware::graphics::mapper::V3_0::IMapper::BufferDescriptorInfo;
Error CrosGralloc3Allocator::allocate(const BufferDescriptorInfo& descriptor, uint32_t* outStride,
hidl_handle* outHandle) {
if (!mDriver) {
drv_log("Failed to allocate. Driver is uninitialized.\n");
return Error::NO_RESOURCES;
}
if (!outStride || !outHandle) {
return Error::NO_RESOURCES;
}
struct cros_gralloc_buffer_descriptor crosDescriptor;
if (convertToCrosDescriptor(descriptor, &crosDescriptor)) {
return Error::UNSUPPORTED;
}
bool supported = mDriver->is_supported(&crosDescriptor);
if (!supported && (descriptor.usage & BufferUsage::COMPOSER_OVERLAY)) {
crosDescriptor.use_flags &= ~BO_USE_SCANOUT;
supported = mDriver->is_supported(&crosDescriptor);
}
if (!supported) {
std::string drmFormatString = get_drm_format_string(crosDescriptor.drm_format);
std::string pixelFormatString = getPixelFormatString(descriptor.format);
std::string usageString = getUsageString(descriptor.usage);
drv_log("Unsupported combination -- pixel format: %s, drm format:%s, usage: %s\n",
pixelFormatString.c_str(), drmFormatString.c_str(), usageString.c_str());
return Error::UNSUPPORTED;
}
buffer_handle_t handle;
int ret = mDriver->allocate(&crosDescriptor, &handle);
if (ret) {
return Error::NO_RESOURCES;
}
cros_gralloc_handle_t crosHandle = cros_gralloc_convert_handle(handle);
if (!crosHandle) {
return Error::NO_RESOURCES;
}
*outHandle = handle;
*outStride = crosHandle->pixel_stride;
return Error::NONE;
}
Return<void> CrosGralloc3Allocator::allocate(const hidl_vec<uint32_t>& encoded, uint32_t count,
allocate_cb hidlCb) {
hidl_vec<hidl_handle> handles;
if (!mDriver) {
drv_log("Failed to allocate. Driver is uninitialized.\n");
hidlCb(Error::NO_RESOURCES, 0, handles);
return Void();
}
auto descriptor_opt = decodeBufferDescriptorInfo(encoded);
if (!descriptor_opt) {
drv_log("Failed to allocate. Failed to decode buffer descriptor.\n");
hidlCb(Error::BAD_DESCRIPTOR, 0, handles);
return Void();
}
BufferDescriptorInfo descriptor = *descriptor_opt;
handles.resize(count);
uint32_t stride = 0;
for (int i = 0; i < handles.size(); i++) {
Error err = allocate(descriptor, &stride, &(handles[i]));
if (err != Error::NONE) {
for (int j = 0; j < i; j++) {
mDriver->release(handles[j].getNativeHandle());
}
handles.resize(0);
hidlCb(err, 0, handles);
return Void();
}
}
hidlCb(Error::NONE, stride, handles);
for (const hidl_handle& handle : handles) {
mDriver->release(handle.getNativeHandle());
}
return Void();
}
Return<void> CrosGralloc3Allocator::dumpDebugInfo(dumpDebugInfo_cb hidl_cb) {
hidl_cb("CrosGralloc3Allocator::dumpDebugInfo unimplemented.");
return Void();
}
|
