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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 "Properties.h"
#include <gui/ISurfaceComposer.h>
#include <gui/SurfaceComposerClient.h>
#include <ui/GraphicTypes.h>
#include <mutex>
#include <thread>
#include <log/log.h>
namespace android {
namespace uirenderer {
static constexpr android::DisplayInfo sDummyDisplay{
1080, // w
1920, // h
320.0, // xdpi
320.0, // ydpi
60.0, // fps
2.0, // density
0, // orientation
false, // secure?
0, // appVsyncOffset
0, // presentationDeadline
1080, // viewportW
1920, // viewportH
};
DeviceInfo* DeviceInfo::get() {
static DeviceInfo sDeviceInfo;
return &sDeviceInfo;
}
static DisplayInfo QueryDisplayInfo() {
if (Properties::isolatedProcess) {
return sDummyDisplay;
}
const sp<IBinder> token = SurfaceComposerClient::getInternalDisplayToken();
LOG_ALWAYS_FATAL_IF(token == nullptr,
"Failed to get display info because internal display is disconnected");
DisplayInfo displayInfo;
status_t status = SurfaceComposerClient::getDisplayInfo(token, &displayInfo);
LOG_ALWAYS_FATAL_IF(status, "Failed to get display info, error %d", status);
return displayInfo;
}
static float QueryMaxRefreshRate() {
if (Properties::isolatedProcess) {
return sDummyDisplay.fps;
}
const sp<IBinder> token = SurfaceComposerClient::getInternalDisplayToken();
LOG_ALWAYS_FATAL_IF(token == nullptr,
"Failed to get display info because internal display is disconnected");
Vector<DisplayInfo> configs;
configs.reserve(10);
status_t status = SurfaceComposerClient::getDisplayConfigs(token, &configs);
LOG_ALWAYS_FATAL_IF(status, "Failed to getDisplayConfigs, error %d", status);
LOG_ALWAYS_FATAL_IF(configs.size() == 0, "getDisplayConfigs returned 0 configs?");
float max = 0.0f;
for (auto& info : configs) {
max = std::max(max, info.fps);
}
return max;
}
static void queryWideColorGamutPreference(sk_sp<SkColorSpace>* colorSpace, SkColorType* colorType) {
if (Properties::isolatedProcess) {
*colorSpace = SkColorSpace::MakeSRGB();
*colorType = SkColorType::kN32_SkColorType;
return;
}
ui::Dataspace defaultDataspace, wcgDataspace;
ui::PixelFormat defaultPixelFormat, wcgPixelFormat;
status_t status =
SurfaceComposerClient::getCompositionPreference(&defaultDataspace, &defaultPixelFormat,
&wcgDataspace, &wcgPixelFormat);
LOG_ALWAYS_FATAL_IF(status, "Failed to get composition preference, error %d", status);
switch (wcgDataspace) {
case ui::Dataspace::DISPLAY_P3:
*colorSpace = SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kDCIP3);
break;
case ui::Dataspace::V0_SCRGB:
*colorSpace = SkColorSpace::MakeSRGB();
break;
case ui::Dataspace::V0_SRGB:
// when sRGB is returned, it means wide color gamut is not supported.
*colorSpace = SkColorSpace::MakeSRGB();
break;
default:
LOG_ALWAYS_FATAL("Unreachable: unsupported wide color space.");
}
switch (wcgPixelFormat) {
case ui::PixelFormat::RGBA_8888:
*colorType = SkColorType::kN32_SkColorType;
break;
case ui::PixelFormat::RGBA_FP16:
*colorType = SkColorType::kRGBA_F16_SkColorType;
break;
default:
LOG_ALWAYS_FATAL("Unreachable: unsupported pixel format.");
}
}
DeviceInfo::DeviceInfo() : mMaxRefreshRate(QueryMaxRefreshRate()) {
#if HWUI_NULL_GPU
mMaxTextureSize = NULL_GPU_MAX_TEXTURE_SIZE;
#else
mMaxTextureSize = -1;
#endif
mDisplayInfo = QueryDisplayInfo();
queryWideColorGamutPreference(&mWideColorSpace, &mWideColorType);
}
int DeviceInfo::maxTextureSize() const {
LOG_ALWAYS_FATAL_IF(mMaxTextureSize < 0, "MaxTextureSize has not been initialized yet.");
return mMaxTextureSize;
}
void DeviceInfo::setMaxTextureSize(int maxTextureSize) {
DeviceInfo::get()->mMaxTextureSize = maxTextureSize;
}
void DeviceInfo::onDisplayConfigChanged() {
mDisplayInfo = QueryDisplayInfo();
}
} /* namespace uirenderer */
} /* namespace android */
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