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131 lines
4.4 KiB
131 lines
4.4 KiB
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "MultiDisplayPipe.h"
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#include "MultiDisplay.h"
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#include "android/opengles.h"
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namespace android {
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static MultiDisplayPipe* sMultiDisplayPipeInstance = nullptr;
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const uint8_t MultiDisplayPipe::ADD = 1;
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const uint8_t MultiDisplayPipe::DEL = 2;
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const uint8_t MultiDisplayPipe::QUERY = 3;
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const uint8_t MultiDisplayPipe::BIND = 4;
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const uint8_t MultiDisplayPipe::MAX_DISPLAYS = 10;
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MultiDisplayPipe::MultiDisplayPipe(AndroidPipe::Service* service, PipeArgs&& pipeArgs)
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: AndroidAsyncMessagePipe(service, std::move(pipeArgs)),
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mService(static_cast<Service*>(service)) {
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LOG(VERBOSE) << "MultiDisplayPipe created " << this;
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if (sMultiDisplayPipeInstance) {
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LOG(ERROR) << "MultiDisplayPipe already created";
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}
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sMultiDisplayPipeInstance = this;
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}
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MultiDisplayPipe::~MultiDisplayPipe() {
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LOG(VERBOSE) << "MultiDisplayPipe deleted self " << this;
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sMultiDisplayPipeInstance = NULL;
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}
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void MultiDisplayPipe::onMessage(const std::vector<uint8_t>& data) {
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uint8_t cmd = data[0];
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switch (cmd) {
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case QUERY: {
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LOG(VERBOSE) << "MultiDisplayPipe recevied QUERY";
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uint32_t w, h, dpi, flag, id;
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int32_t startId = -1;
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const auto ins = MultiDisplay::getInstance();
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while (ins && ins->getNextMultiDisplay(startId, &id, nullptr, nullptr,
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&w, &h, &dpi, &flag, nullptr)) {
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if (id >= MultiDisplay::s_displayIdInternalBegin) {
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// Display created by guest through rcCommand, e.g., HWC2,
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// not by UI/config.ini/cmd, need not report
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break;
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}
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std::vector<uint8_t> buf;
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fillData(buf, id, w, h, dpi, flag, true);
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LOG(VERBOSE) << "MultiDisplayPipe send add id " << id << " width " << w
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<< " height " << h << " dpi " << dpi << " flag " << flag;
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send(std::move(buf));
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startId = id;
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}
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break;
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}
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case BIND: {
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uint32_t id = *(uint32_t*)&(data[1]);
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uint32_t cb = *(uint32_t*)&(data[5]);
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LOG(VERBOSE) << "MultiDisplayPipe bind display " << id << " cb " << cb;
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const auto ins = MultiDisplay::getInstance();
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if (ins) {
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ins->setDisplayColorBuffer(id, cb);
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}
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break;
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}
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default:
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LOG(WARNING) << "unexpected cmommand " << cmd;
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}
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}
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void MultiDisplayPipe::fillData(std::vector<uint8_t>& data, uint32_t id, uint32_t w, uint32_t h,
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uint32_t dpi, uint32_t flag, bool add) {
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uint32_t input[] = {id, w, h, dpi, flag};
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uint8_t* p = (uint8_t*)input;
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if (add) {
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data.push_back(ADD);
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} else {
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data.push_back(DEL);
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}
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for (int i = 0; i < sizeof(input); i++) {
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data.push_back(p[i]);
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}
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}
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void MultiDisplayPipe::onSave(base::Stream* stream) {
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AndroidAsyncMessagePipe::onSave(stream);
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MultiDisplay* instance = MultiDisplay::getInstance();
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if (!instance) {
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LOG(ERROR) << "Failed to save MultiDisplay info, MultiDisplay "
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<< "not initiated";
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return;
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}
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instance->onSave(stream);
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}
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void MultiDisplayPipe::onLoad(base::Stream* stream) {
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AndroidAsyncMessagePipe::onLoad(stream);
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MultiDisplay* instance = MultiDisplay::getInstance();
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if (!instance) {
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LOG(ERROR) << "Failed to load MultiDisplay info, MultiDisplay "
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<< "not initiated";
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return;
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}
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instance->onLoad(stream);
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}
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MultiDisplayPipe* MultiDisplayPipe::getInstance() {
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return sMultiDisplayPipeInstance;
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}
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} // namespace android
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void android_init_multi_display_pipe() {
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android::AndroidPipe::Service::add(
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std::make_unique<android::MultiDisplayPipe::Service>("multidisplay"));
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}
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