1 /*
2 * Copyright 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <android/frameworks/vr/composer/1.0/IVrComposerClient.h>
18 #include <hardware/gralloc.h>
19 #include <hardware/gralloc1.h>
20 #include <log/log.h>
21
22 #include "impl/vr_hwc.h"
23 #include "impl/vr_composer_client.h"
24
25 namespace android {
26 namespace dvr {
27
28 using android::hardware::graphics::common::V1_0::PixelFormat;
29 using android::frameworks::vr::composer::V1_0::IVrComposerClient;
30
VrComposerClient(dvr::VrHwc & hal)31 VrComposerClient::VrComposerClient(dvr::VrHwc& hal)
32 : ComposerClient(&hal), mVrHal(hal) {
33 if (!init()) {
34 LOG_ALWAYS_FATAL("failed to initialize VrComposerClient");
35 }
36 }
37
~VrComposerClient()38 VrComposerClient::~VrComposerClient() {}
39
40 std::unique_ptr<ComposerCommandEngine>
createCommandEngine()41 VrComposerClient::createCommandEngine() {
42 return std::unique_ptr<VrCommandEngine>(new VrCommandEngine(*this));
43 }
44
VrCommandEngine(VrComposerClient & client)45 VrComposerClient::VrCommandEngine::VrCommandEngine(VrComposerClient& client)
46 : ComposerCommandEngine(client.mHal, client.mResources.get()), mVrClient(client),
47 mVrHal(client.mVrHal) {}
48
~VrCommandEngine()49 VrComposerClient::VrCommandEngine::~VrCommandEngine() {}
50
executeCommand(IComposerClient::Command command,uint16_t length)51 bool VrComposerClient::VrCommandEngine::executeCommand(
52 IComposerClient::Command command, uint16_t length) {
53 IVrComposerClient::VrCommand vrCommand =
54 static_cast<IVrComposerClient::VrCommand>(command);
55 switch (vrCommand) {
56 case IVrComposerClient::VrCommand::SET_LAYER_INFO:
57 return executeSetLayerInfo(length);
58 case IVrComposerClient::VrCommand::SET_CLIENT_TARGET_METADATA:
59 return executeSetClientTargetMetadata(length);
60 case IVrComposerClient::VrCommand::SET_LAYER_BUFFER_METADATA:
61 return executeSetLayerBufferMetadata(length);
62 default:
63 return ComposerCommandEngine::executeCommand(command, length);
64 }
65 }
66
executeSetLayerInfo(uint16_t length)67 bool VrComposerClient::VrCommandEngine::executeSetLayerInfo(uint16_t length) {
68 if (length != 2) {
69 return false;
70 }
71
72 auto err = mVrHal.setLayerInfo(mCurrentDisplay, mCurrentLayer, read(), read());
73 if (err != Error::NONE) {
74 mWriter.setError(getCommandLoc(), err);
75 }
76
77 return true;
78 }
79
executeSetClientTargetMetadata(uint16_t length)80 bool VrComposerClient::VrCommandEngine::executeSetClientTargetMetadata(
81 uint16_t length) {
82 if (length != 7)
83 return false;
84
85 auto err = mVrHal.setClientTargetMetadata(mCurrentDisplay, readBufferMetadata());
86 if (err != Error::NONE)
87 mWriter.setError(getCommandLoc(), err);
88
89 return true;
90 }
91
executeSetLayerBufferMetadata(uint16_t length)92 bool VrComposerClient::VrCommandEngine::executeSetLayerBufferMetadata(
93 uint16_t length) {
94 if (length != 7)
95 return false;
96
97 auto err = mVrHal.setLayerBufferMetadata(mCurrentDisplay, mCurrentLayer,
98 readBufferMetadata());
99 if (err != Error::NONE)
100 mWriter.setError(getCommandLoc(), err);
101
102 return true;
103 }
104
105 IVrComposerClient::BufferMetadata
readBufferMetadata()106 VrComposerClient::VrCommandEngine::readBufferMetadata() {
107 IVrComposerClient::BufferMetadata metadata = {
108 .width = read(),
109 .height = read(),
110 .stride = read(),
111 .layerCount = read(),
112 .format = static_cast<PixelFormat>(readSigned()),
113 .usage = read64(),
114 };
115 return metadata;
116 }
117
118 } // namespace dvr
119 } // namespace android
120