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/*
* Copyright (C) 2015 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.
*/
#include <DeviceInfo.h>
#include <gui/ISurfaceComposer.h>
#include <gui/SurfaceComposerClient.h>
#include <thread>
#include <mutex>
#include <log/log.h>
#include <GLES2/gl2.h>
namespace android {
namespace uirenderer {
static DeviceInfo* sDeviceInfo = nullptr;
static std::once_flag sInitializedFlag;
const DeviceInfo* DeviceInfo::get() {
LOG_ALWAYS_FATAL_IF(!sDeviceInfo, "DeviceInfo not yet initialized.");
return sDeviceInfo;
}
void DeviceInfo::initialize() {
std::call_once(sInitializedFlag, []() {
sDeviceInfo = new DeviceInfo();
sDeviceInfo->load();
});
}
void DeviceInfo::initialize(int maxTextureSize) {
std::call_once(sInitializedFlag, [maxTextureSize]() {
sDeviceInfo = new DeviceInfo();
sDeviceInfo->loadDisplayInfo();
sDeviceInfo->mMaxTextureSize = maxTextureSize;
});
}
void DeviceInfo::load() {
loadDisplayInfo();
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
}
void DeviceInfo::loadDisplayInfo() {
sp<IBinder> dtoken(SurfaceComposerClient::getBuiltInDisplay(
ISurfaceComposer::eDisplayIdMain));
status_t status = SurfaceComposerClient::getDisplayInfo(dtoken, &mDisplayInfo);
LOG_ALWAYS_FATAL_IF(status, "Failed to get display info, error %d", status);
}
} /* namespace uirenderer */
} /* namespace android */
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