| /* |
| * Copyright 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. |
| */ |
| |
| // #define LOG_NDEBUG 0 |
| |
| #undef LOG_TAG |
| #define LOG_TAG "HWC2" |
| #define ATRACE_TAG ATRACE_TAG_GRAPHICS |
| |
| #include "HWC2.h" |
| |
| #include "FloatRect.h" |
| |
| #include <ui/Fence.h> |
| #include <ui/GraphicBuffer.h> |
| #include <ui/Region.h> |
| |
| #include <android/configuration.h> |
| |
| #include <algorithm> |
| #include <inttypes.h> |
| |
| extern "C" { |
| static void hotplug_hook(hwc2_callback_data_t callbackData, |
| hwc2_display_t displayId, int32_t intConnected) { |
| auto device = static_cast<HWC2::Device*>(callbackData); |
| auto display = device->getDisplayById(displayId); |
| if (display) { |
| auto connected = static_cast<HWC2::Connection>(intConnected); |
| device->callHotplug(std::move(display), connected); |
| } else { |
| ALOGE("Hotplug callback called with unknown display %" PRIu64, |
| displayId); |
| } |
| } |
| |
| static void refresh_hook(hwc2_callback_data_t callbackData, |
| hwc2_display_t displayId) { |
| auto device = static_cast<HWC2::Device*>(callbackData); |
| auto display = device->getDisplayById(displayId); |
| if (display) { |
| device->callRefresh(std::move(display)); |
| } else { |
| ALOGE("Refresh callback called with unknown display %" PRIu64, |
| displayId); |
| } |
| } |
| |
| static void vsync_hook(hwc2_callback_data_t callbackData, |
| hwc2_display_t displayId, int64_t timestamp) { |
| auto device = static_cast<HWC2::Device*>(callbackData); |
| auto display = device->getDisplayById(displayId); |
| if (display) { |
| device->callVsync(std::move(display), timestamp); |
| } else { |
| ALOGE("Vsync callback called with unknown display %" PRIu64, |
| displayId); |
| } |
| } |
| } |
| |
| using android::Fence; |
| using android::FloatRect; |
| using android::GraphicBuffer; |
| using android::HdrCapabilities; |
| using android::Rect; |
| using android::Region; |
| using android::sp; |
| |
| namespace HWC2 { |
| |
| // Device methods |
| |
| Device::Device(hwc2_device_t* device) |
| : mHwcDevice(device), |
| mCreateVirtualDisplay(nullptr), |
| mDestroyVirtualDisplay(nullptr), |
| mDump(nullptr), |
| mGetMaxVirtualDisplayCount(nullptr), |
| mRegisterCallback(nullptr), |
| mAcceptDisplayChanges(nullptr), |
| mCreateLayer(nullptr), |
| mDestroyLayer(nullptr), |
| mGetActiveConfig(nullptr), |
| mGetChangedCompositionTypes(nullptr), |
| mGetColorModes(nullptr), |
| mGetDisplayAttribute(nullptr), |
| mGetDisplayConfigs(nullptr), |
| mGetDisplayName(nullptr), |
| mGetDisplayRequests(nullptr), |
| mGetDisplayType(nullptr), |
| mGetDozeSupport(nullptr), |
| mGetHdrCapabilities(nullptr), |
| mGetReleaseFences(nullptr), |
| mPresentDisplay(nullptr), |
| mSetActiveConfig(nullptr), |
| mSetClientTarget(nullptr), |
| mSetColorMode(nullptr), |
| mSetColorTransform(nullptr), |
| mSetOutputBuffer(nullptr), |
| mSetPowerMode(nullptr), |
| mSetVsyncEnabled(nullptr), |
| mValidateDisplay(nullptr), |
| mSetCursorPosition(nullptr), |
| mSetLayerBuffer(nullptr), |
| mSetLayerSurfaceDamage(nullptr), |
| mSetLayerBlendMode(nullptr), |
| mSetLayerColor(nullptr), |
| mSetLayerCompositionType(nullptr), |
| mSetLayerDataspace(nullptr), |
| mSetLayerDisplayFrame(nullptr), |
| mSetLayerPlaneAlpha(nullptr), |
| mSetLayerSidebandStream(nullptr), |
| mSetLayerSourceCrop(nullptr), |
| mSetLayerTransform(nullptr), |
| mSetLayerVisibleRegion(nullptr), |
| mSetLayerZOrder(nullptr), |
| mCapabilities(), |
| mDisplays(), |
| mHotplug(), |
| mPendingHotplugs(), |
| mRefresh(), |
| mPendingRefreshes(), |
| mVsync(), |
| mPendingVsyncs() |
| { |
| loadCapabilities(); |
| loadFunctionPointers(); |
| registerCallbacks(); |
| } |
| |
| Device::~Device() |
| { |
| if (mHwcDevice == nullptr) { |
| return; |
| } |
| |
| for (auto element : mDisplays) { |
| auto display = element.second; |
| |
| DisplayType displayType = HWC2::DisplayType::Invalid; |
| auto error = display->getType(&displayType); |
| if (error != Error::None) { |
| ALOGE("~Device: Failed to determine type of display %" PRIu64 |
| ": %s (%d)", display->getId(), to_string(error).c_str(), |
| static_cast<int32_t>(error)); |
| continue; |
| } |
| |
| if (displayType == HWC2::DisplayType::Physical) { |
| error = display->setVsyncEnabled(HWC2::Vsync::Disable); |
| if (error != Error::None) { |
| ALOGE("~Device: Failed to disable vsync for display %" PRIu64 |
| ": %s (%d)", display->getId(), to_string(error).c_str(), |
| static_cast<int32_t>(error)); |
| } |
| } |
| } |
| |
| hwc2_close(mHwcDevice); |
| } |
| |
| // Required by HWC2 device |
| |
| std::string Device::dump() const |
| { |
| uint32_t numBytes = 0; |
| mDump(mHwcDevice, &numBytes, nullptr); |
| |
| std::vector<char> buffer(numBytes); |
| mDump(mHwcDevice, &numBytes, buffer.data()); |
| |
| return std::string(buffer.data(), buffer.size()); |
| } |
| |
| uint32_t Device::getMaxVirtualDisplayCount() const |
| { |
| return mGetMaxVirtualDisplayCount(mHwcDevice); |
| } |
| |
| Error Device::createVirtualDisplay(uint32_t width, uint32_t height, |
| android_pixel_format_t* format, std::shared_ptr<Display>* outDisplay) |
| { |
| ALOGI("Creating virtual display"); |
| |
| hwc2_display_t displayId = 0; |
| int32_t intFormat = static_cast<int32_t>(*format); |
| int32_t intError = mCreateVirtualDisplay(mHwcDevice, width, height, |
| &intFormat, &displayId); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| ALOGI("Created virtual display"); |
| *format = static_cast<android_pixel_format_t>(intFormat); |
| *outDisplay = getDisplayById(displayId); |
| (*outDisplay)->setVirtual(); |
| return Error::None; |
| } |
| |
| void Device::registerHotplugCallback(HotplugCallback hotplug) |
| { |
| ALOGV("registerHotplugCallback"); |
| mHotplug = hotplug; |
| for (auto& pending : mPendingHotplugs) { |
| auto& display = pending.first; |
| auto connected = pending.second; |
| ALOGV("Sending pending hotplug(%" PRIu64 ", %s)", display->getId(), |
| to_string(connected).c_str()); |
| mHotplug(std::move(display), connected); |
| } |
| } |
| |
| void Device::registerRefreshCallback(RefreshCallback refresh) |
| { |
| mRefresh = refresh; |
| for (auto& pending : mPendingRefreshes) { |
| mRefresh(std::move(pending)); |
| } |
| } |
| |
| void Device::registerVsyncCallback(VsyncCallback vsync) |
| { |
| mVsync = vsync; |
| for (auto& pending : mPendingVsyncs) { |
| auto& display = pending.first; |
| auto timestamp = pending.second; |
| mVsync(std::move(display), timestamp); |
| } |
| } |
| |
| // For use by Device callbacks |
| |
| void Device::callHotplug(std::shared_ptr<Display> display, Connection connected) |
| { |
| if (connected == Connection::Connected) { |
| if (!display->isConnected()) { |
| display->loadConfigs(); |
| display->setConnected(true); |
| } |
| } else { |
| display->setConnected(false); |
| mDisplays.erase(display->getId()); |
| } |
| |
| if (mHotplug) { |
| mHotplug(std::move(display), connected); |
| } else { |
| ALOGV("callHotplug called, but no valid callback registered, storing"); |
| mPendingHotplugs.emplace_back(std::move(display), connected); |
| } |
| } |
| |
| void Device::callRefresh(std::shared_ptr<Display> display) |
| { |
| if (mRefresh) { |
| mRefresh(std::move(display)); |
| } else { |
| ALOGV("callRefresh called, but no valid callback registered, storing"); |
| mPendingRefreshes.emplace_back(std::move(display)); |
| } |
| } |
| |
| void Device::callVsync(std::shared_ptr<Display> display, nsecs_t timestamp) |
| { |
| if (mVsync) { |
| mVsync(std::move(display), timestamp); |
| } else { |
| ALOGV("callVsync called, but no valid callback registered, storing"); |
| mPendingVsyncs.emplace_back(std::move(display), timestamp); |
| } |
| } |
| |
| // Other Device methods |
| |
| std::shared_ptr<Display> Device::getDisplayById(hwc2_display_t id) { |
| if (mDisplays.count(id) != 0) { |
| return mDisplays.at(id); |
| } |
| |
| auto display = std::make_shared<Display>(*this, id); |
| mDisplays.emplace(id, display); |
| return display; |
| } |
| |
| // Device initialization methods |
| |
| void Device::loadCapabilities() |
| { |
| static_assert(sizeof(Capability) == sizeof(int32_t), |
| "Capability size has changed"); |
| uint32_t numCapabilities = 0; |
| mHwcDevice->getCapabilities(mHwcDevice, &numCapabilities, nullptr); |
| mCapabilities.resize(numCapabilities); |
| auto asInt = reinterpret_cast<int32_t*>(mCapabilities.data()); |
| mHwcDevice->getCapabilities(mHwcDevice, &numCapabilities, asInt); |
| } |
| |
| bool Device::hasCapability(HWC2::Capability capability) const |
| { |
| return std::find(mCapabilities.cbegin(), mCapabilities.cend(), |
| capability) != mCapabilities.cend(); |
| } |
| |
| void Device::loadFunctionPointers() |
| { |
| // For all of these early returns, we log an error message inside |
| // loadFunctionPointer specifying which function failed to load |
| |
| // Display function pointers |
| if (!loadFunctionPointer(FunctionDescriptor::CreateVirtualDisplay, |
| mCreateVirtualDisplay)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::DestroyVirtualDisplay, |
| mDestroyVirtualDisplay)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::Dump, mDump)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::GetMaxVirtualDisplayCount, |
| mGetMaxVirtualDisplayCount)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::RegisterCallback, |
| mRegisterCallback)) return; |
| |
| // Device function pointers |
| if (!loadFunctionPointer(FunctionDescriptor::AcceptDisplayChanges, |
| mAcceptDisplayChanges)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::CreateLayer, |
| mCreateLayer)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::DestroyLayer, |
| mDestroyLayer)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::GetActiveConfig, |
| mGetActiveConfig)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::GetChangedCompositionTypes, |
| mGetChangedCompositionTypes)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::GetColorModes, |
| mGetColorModes)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::GetDisplayAttribute, |
| mGetDisplayAttribute)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::GetDisplayConfigs, |
| mGetDisplayConfigs)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::GetDisplayName, |
| mGetDisplayName)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::GetDisplayRequests, |
| mGetDisplayRequests)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::GetDisplayType, |
| mGetDisplayType)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::GetDozeSupport, |
| mGetDozeSupport)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::GetHdrCapabilities, |
| mGetHdrCapabilities)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::GetReleaseFences, |
| mGetReleaseFences)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::PresentDisplay, |
| mPresentDisplay)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetActiveConfig, |
| mSetActiveConfig)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetClientTarget, |
| mSetClientTarget)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetColorMode, |
| mSetColorMode)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetColorTransform, |
| mSetColorTransform)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetOutputBuffer, |
| mSetOutputBuffer)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetPowerMode, |
| mSetPowerMode)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetVsyncEnabled, |
| mSetVsyncEnabled)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::ValidateDisplay, |
| mValidateDisplay)) return; |
| |
| // Layer function pointers |
| if (!loadFunctionPointer(FunctionDescriptor::SetCursorPosition, |
| mSetCursorPosition)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerBuffer, |
| mSetLayerBuffer)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerSurfaceDamage, |
| mSetLayerSurfaceDamage)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerBlendMode, |
| mSetLayerBlendMode)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerColor, |
| mSetLayerColor)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerCompositionType, |
| mSetLayerCompositionType)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerDataspace, |
| mSetLayerDataspace)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerDisplayFrame, |
| mSetLayerDisplayFrame)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerPlaneAlpha, |
| mSetLayerPlaneAlpha)) return; |
| if (hasCapability(Capability::SidebandStream)) { |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerSidebandStream, |
| mSetLayerSidebandStream)) return; |
| } |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerSourceCrop, |
| mSetLayerSourceCrop)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerTransform, |
| mSetLayerTransform)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerVisibleRegion, |
| mSetLayerVisibleRegion)) return; |
| if (!loadFunctionPointer(FunctionDescriptor::SetLayerZOrder, |
| mSetLayerZOrder)) return; |
| } |
| |
| void Device::registerCallbacks() |
| { |
| registerCallback<HWC2_PFN_HOTPLUG>(Callback::Hotplug, hotplug_hook); |
| registerCallback<HWC2_PFN_REFRESH>(Callback::Refresh, refresh_hook); |
| registerCallback<HWC2_PFN_VSYNC>(Callback::Vsync, vsync_hook); |
| } |
| |
| |
| // For use by Display |
| |
| void Device::destroyVirtualDisplay(hwc2_display_t display) |
| { |
| ALOGI("Destroying virtual display"); |
| int32_t intError = mDestroyVirtualDisplay(mHwcDevice, display); |
| auto error = static_cast<Error>(intError); |
| ALOGE_IF(error != Error::None, "destroyVirtualDisplay(%" PRIu64 ") failed:" |
| " %s (%d)", display, to_string(error).c_str(), intError); |
| } |
| |
| // Display methods |
| |
| Display::Display(Device& device, hwc2_display_t id) |
| : mDevice(device), |
| mId(id), |
| mIsConnected(false), |
| mIsVirtual(false) |
| { |
| ALOGV("Created display %" PRIu64, id); |
| } |
| |
| Display::~Display() |
| { |
| ALOGV("Destroyed display %" PRIu64, mId); |
| if (mIsVirtual) { |
| mDevice.destroyVirtualDisplay(mId); |
| } |
| } |
| |
| Display::Config::Config(Display& display, hwc2_config_t id) |
| : mDisplay(display), |
| mId(id), |
| mWidth(-1), |
| mHeight(-1), |
| mVsyncPeriod(-1), |
| mDpiX(-1), |
| mDpiY(-1) {} |
| |
| Display::Config::Builder::Builder(Display& display, hwc2_config_t id) |
| : mConfig(new Config(display, id)) {} |
| |
| float Display::Config::Builder::getDefaultDensity() { |
| // Default density is based on TVs: 1080p displays get XHIGH density, lower- |
| // resolution displays get TV density. Maybe eventually we'll need to update |
| // it for 4k displays, though hopefully those will just report accurate DPI |
| // information to begin with. This is also used for virtual displays and |
| // older HWC implementations, so be careful about orientation. |
| |
| auto longDimension = std::max(mConfig->mWidth, mConfig->mHeight); |
| if (longDimension >= 1080) { |
| return ACONFIGURATION_DENSITY_XHIGH; |
| } else { |
| return ACONFIGURATION_DENSITY_TV; |
| } |
| } |
| |
| // Required by HWC2 display |
| |
| Error Display::acceptChanges() |
| { |
| int32_t intError = mDevice.mAcceptDisplayChanges(mDevice.mHwcDevice, mId); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::createLayer(std::shared_ptr<Layer>* outLayer) |
| { |
| hwc2_layer_t layerId = 0; |
| int32_t intError = mDevice.mCreateLayer(mDevice.mHwcDevice, mId, &layerId); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| auto layer = std::make_shared<Layer>(shared_from_this(), layerId); |
| mLayers.emplace(layerId, layer); |
| *outLayer = std::move(layer); |
| return Error::None; |
| } |
| |
| Error Display::getActiveConfig( |
| std::shared_ptr<const Display::Config>* outConfig) const |
| { |
| ALOGV("[%" PRIu64 "] getActiveConfig", mId); |
| hwc2_config_t configId = 0; |
| int32_t intError = mDevice.mGetActiveConfig(mDevice.mHwcDevice, mId, |
| &configId); |
| auto error = static_cast<Error>(intError); |
| |
| if (error != Error::None) { |
| return error; |
| } |
| |
| if (mConfigs.count(configId) != 0) { |
| *outConfig = mConfigs.at(configId); |
| } else { |
| ALOGE("[%" PRIu64 "] getActiveConfig returned unknown config %u", mId, |
| configId); |
| // Return no error, but the caller needs to check for a null pointer to |
| // detect this case |
| *outConfig = nullptr; |
| } |
| |
| return Error::None; |
| } |
| |
| Error Display::getChangedCompositionTypes( |
| std::unordered_map<std::shared_ptr<Layer>, Composition>* outTypes) |
| { |
| uint32_t numElements = 0; |
| int32_t intError = mDevice.mGetChangedCompositionTypes(mDevice.mHwcDevice, |
| mId, &numElements, nullptr, nullptr); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| std::vector<hwc2_layer_t> layerIds(numElements); |
| std::vector<int32_t> types(numElements); |
| intError = mDevice.mGetChangedCompositionTypes(mDevice.mHwcDevice, mId, |
| &numElements, layerIds.data(), types.data()); |
| error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| outTypes->clear(); |
| outTypes->reserve(numElements); |
| for (uint32_t element = 0; element < numElements; ++element) { |
| auto layer = getLayerById(layerIds[element]); |
| if (layer) { |
| auto type = static_cast<Composition>(types[element]); |
| ALOGV("getChangedCompositionTypes: adding %" PRIu64 " %s", |
| layer->getId(), to_string(type).c_str()); |
| outTypes->emplace(layer, type); |
| } else { |
| ALOGE("getChangedCompositionTypes: invalid layer %" PRIu64 " found" |
| " on display %" PRIu64, layerIds[element], mId); |
| } |
| } |
| |
| return Error::None; |
| } |
| |
| Error Display::getColorModes(std::vector<int32_t>* outModes) const |
| { |
| uint32_t numModes = 0; |
| int32_t intError = mDevice.mGetColorModes(mDevice.mHwcDevice, mId, |
| &numModes, nullptr); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| std::vector<int32_t> modes(numModes); |
| intError = mDevice.mGetColorModes(mDevice.mHwcDevice, mId, &numModes, |
| modes.data()); |
| error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| std::swap(*outModes, modes); |
| return Error::None; |
| } |
| |
| std::vector<std::shared_ptr<const Display::Config>> Display::getConfigs() const |
| { |
| std::vector<std::shared_ptr<const Config>> configs; |
| for (const auto& element : mConfigs) { |
| configs.emplace_back(element.second); |
| } |
| return configs; |
| } |
| |
| Error Display::getName(std::string* outName) const |
| { |
| uint32_t size; |
| int32_t intError = mDevice.mGetDisplayName(mDevice.mHwcDevice, mId, &size, |
| nullptr); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| std::vector<char> rawName(size); |
| intError = mDevice.mGetDisplayName(mDevice.mHwcDevice, mId, &size, |
| rawName.data()); |
| error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| *outName = std::string(rawName.cbegin(), rawName.cend()); |
| return Error::None; |
| } |
| |
| Error Display::getRequests(HWC2::DisplayRequest* outDisplayRequests, |
| std::unordered_map<std::shared_ptr<Layer>, LayerRequest>* |
| outLayerRequests) |
| { |
| int32_t intDisplayRequests = 0; |
| uint32_t numElements = 0; |
| int32_t intError = mDevice.mGetDisplayRequests(mDevice.mHwcDevice, mId, |
| &intDisplayRequests, &numElements, nullptr, nullptr); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| std::vector<hwc2_layer_t> layerIds(numElements); |
| std::vector<int32_t> layerRequests(numElements); |
| intError = mDevice.mGetDisplayRequests(mDevice.mHwcDevice, mId, |
| &intDisplayRequests, &numElements, layerIds.data(), |
| layerRequests.data()); |
| error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| *outDisplayRequests = static_cast<DisplayRequest>(intDisplayRequests); |
| outLayerRequests->clear(); |
| outLayerRequests->reserve(numElements); |
| for (uint32_t element = 0; element < numElements; ++element) { |
| auto layer = getLayerById(layerIds[element]); |
| if (layer) { |
| auto layerRequest = |
| static_cast<LayerRequest>(layerRequests[element]); |
| outLayerRequests->emplace(layer, layerRequest); |
| } else { |
| ALOGE("getRequests: invalid layer %" PRIu64 " found on display %" |
| PRIu64, layerIds[element], mId); |
| } |
| } |
| |
| return Error::None; |
| } |
| |
| Error Display::getType(DisplayType* outType) const |
| { |
| int32_t intType = 0; |
| int32_t intError = mDevice.mGetDisplayType(mDevice.mHwcDevice, mId, |
| &intType); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| *outType = static_cast<DisplayType>(intType); |
| return Error::None; |
| } |
| |
| Error Display::supportsDoze(bool* outSupport) const |
| { |
| int32_t intSupport = 0; |
| int32_t intError = mDevice.mGetDozeSupport(mDevice.mHwcDevice, mId, |
| &intSupport); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| *outSupport = static_cast<bool>(intSupport); |
| return Error::None; |
| } |
| |
| Error Display::getHdrCapabilities( |
| std::unique_ptr<HdrCapabilities>* outCapabilities) const |
| { |
| uint32_t numTypes = 0; |
| float maxLuminance = -1.0f; |
| float maxAverageLuminance = -1.0f; |
| float minLuminance = -1.0f; |
| int32_t intError = mDevice.mGetHdrCapabilities(mDevice.mHwcDevice, mId, |
| &numTypes, nullptr, &maxLuminance, &maxAverageLuminance, |
| &minLuminance); |
| auto error = static_cast<HWC2::Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| std::vector<int32_t> types(numTypes); |
| intError = mDevice.mGetHdrCapabilities(mDevice.mHwcDevice, mId, &numTypes, |
| types.data(), &maxLuminance, &maxAverageLuminance, &minLuminance); |
| error = static_cast<HWC2::Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| *outCapabilities = std::make_unique<HdrCapabilities>(std::move(types), |
| maxLuminance, maxAverageLuminance, minLuminance); |
| return Error::None; |
| } |
| |
| Error Display::getReleaseFences( |
| std::unordered_map<std::shared_ptr<Layer>, sp<Fence>>* outFences) const |
| { |
| uint32_t numElements = 0; |
| int32_t intError = mDevice.mGetReleaseFences(mDevice.mHwcDevice, mId, |
| &numElements, nullptr, nullptr); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| std::vector<hwc2_layer_t> layerIds(numElements); |
| std::vector<int32_t> fenceFds(numElements); |
| intError = mDevice.mGetReleaseFences(mDevice.mHwcDevice, mId, &numElements, |
| layerIds.data(), fenceFds.data()); |
| error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| std::unordered_map<std::shared_ptr<Layer>, sp<Fence>> releaseFences; |
| releaseFences.reserve(numElements); |
| for (uint32_t element = 0; element < numElements; ++element) { |
| auto layer = getLayerById(layerIds[element]); |
| if (layer) { |
| sp<Fence> fence(new Fence(fenceFds[element])); |
| releaseFences.emplace(std::move(layer), fence); |
| } else { |
| ALOGE("getReleaseFences: invalid layer %" PRIu64 |
| " found on display %" PRIu64, layerIds[element], mId); |
| return Error::BadLayer; |
| } |
| } |
| |
| *outFences = std::move(releaseFences); |
| return Error::None; |
| } |
| |
| Error Display::present(sp<Fence>* outRetireFence) |
| { |
| int32_t retireFenceFd = 0; |
| int32_t intError = mDevice.mPresentDisplay(mDevice.mHwcDevice, mId, |
| &retireFenceFd); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| *outRetireFence = new Fence(retireFenceFd); |
| return Error::None; |
| } |
| |
| Error Display::setActiveConfig(const std::shared_ptr<const Config>& config) |
| { |
| if (config->getDisplayId() != mId) { |
| ALOGE("setActiveConfig received config %u for the wrong display %" |
| PRIu64 " (expected %" PRIu64 ")", config->getId(), |
| config->getDisplayId(), mId); |
| return Error::BadConfig; |
| } |
| int32_t intError = mDevice.mSetActiveConfig(mDevice.mHwcDevice, mId, |
| config->getId()); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::setClientTarget(buffer_handle_t target, |
| const sp<Fence>& acquireFence, android_dataspace_t dataspace) |
| { |
| // TODO: Properly encode client target surface damage |
| int32_t fenceFd = acquireFence->dup(); |
| int32_t intError = mDevice.mSetClientTarget(mDevice.mHwcDevice, mId, target, |
| fenceFd, static_cast<int32_t>(dataspace), {0, nullptr}); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::setColorMode(int32_t mode) |
| { |
| int32_t intError = mDevice.mSetColorMode(mDevice.mHwcDevice, mId, mode); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::setColorTransform(const android::mat4& matrix, |
| android_color_transform_t hint) |
| { |
| int32_t intError = mDevice.mSetColorTransform(mDevice.mHwcDevice, mId, |
| matrix.asArray(), static_cast<int32_t>(hint)); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::setOutputBuffer(const sp<GraphicBuffer>& buffer, |
| const sp<Fence>& releaseFence) |
| { |
| int32_t fenceFd = releaseFence->dup(); |
| auto handle = buffer->getNativeBuffer()->handle; |
| int32_t intError = mDevice.mSetOutputBuffer(mDevice.mHwcDevice, mId, handle, |
| fenceFd); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::setPowerMode(PowerMode mode) |
| { |
| auto intMode = static_cast<int32_t>(mode); |
| int32_t intError = mDevice.mSetPowerMode(mDevice.mHwcDevice, mId, intMode); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::setVsyncEnabled(Vsync enabled) |
| { |
| auto intEnabled = static_cast<int32_t>(enabled); |
| int32_t intError = mDevice.mSetVsyncEnabled(mDevice.mHwcDevice, mId, |
| intEnabled); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::validate(uint32_t* outNumTypes, uint32_t* outNumRequests) |
| { |
| uint32_t numTypes = 0; |
| uint32_t numRequests = 0; |
| int32_t intError = mDevice.mValidateDisplay(mDevice.mHwcDevice, mId, |
| &numTypes, &numRequests); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None && error != Error::HasChanges) { |
| return error; |
| } |
| |
| *outNumTypes = numTypes; |
| *outNumRequests = numRequests; |
| return error; |
| } |
| |
| // For use by Device |
| |
| int32_t Display::getAttribute(hwc2_config_t configId, Attribute attribute) |
| { |
| int32_t value = 0; |
| int32_t intError = mDevice.mGetDisplayAttribute(mDevice.mHwcDevice, mId, |
| configId, static_cast<int32_t>(attribute), &value); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| ALOGE("getDisplayAttribute(%" PRIu64 ", %u, %s) failed: %s (%d)", mId, |
| configId, to_string(attribute).c_str(), |
| to_string(error).c_str(), intError); |
| return -1; |
| } |
| return value; |
| } |
| |
| void Display::loadConfig(hwc2_config_t configId) |
| { |
| ALOGV("[%" PRIu64 "] loadConfig(%u)", mId, configId); |
| |
| auto config = Config::Builder(*this, configId) |
| .setWidth(getAttribute(configId, Attribute::Width)) |
| .setHeight(getAttribute(configId, Attribute::Height)) |
| .setVsyncPeriod(getAttribute(configId, Attribute::VsyncPeriod)) |
| .setDpiX(getAttribute(configId, Attribute::DpiX)) |
| .setDpiY(getAttribute(configId, Attribute::DpiY)) |
| .build(); |
| mConfigs.emplace(configId, std::move(config)); |
| } |
| |
| void Display::loadConfigs() |
| { |
| ALOGV("[%" PRIu64 "] loadConfigs", mId); |
| |
| uint32_t numConfigs = 0; |
| int32_t intError = mDevice.mGetDisplayConfigs(mDevice.mHwcDevice, mId, |
| &numConfigs, nullptr); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| ALOGE("[%" PRIu64 "] getDisplayConfigs [1] failed: %s (%d)", mId, |
| to_string(error).c_str(), intError); |
| return; |
| } |
| |
| std::vector<hwc2_config_t> configIds(numConfigs); |
| intError = mDevice.mGetDisplayConfigs(mDevice.mHwcDevice, mId, &numConfigs, |
| configIds.data()); |
| error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| ALOGE("[%" PRIu64 "] getDisplayConfigs [2] failed: %s (%d)", mId, |
| to_string(error).c_str(), intError); |
| return; |
| } |
| |
| for (auto configId : configIds) { |
| loadConfig(configId); |
| } |
| } |
| |
| // For use by Layer |
| |
| void Display::destroyLayer(hwc2_layer_t layerId) |
| { |
| int32_t intError = mDevice.mDestroyLayer(mDevice.mHwcDevice, mId, layerId); |
| auto error = static_cast<Error>(intError); |
| ALOGE_IF(error != Error::None, "destroyLayer(%" PRIu64 ", %" PRIu64 ")" |
| " failed: %s (%d)", mId, layerId, to_string(error).c_str(), |
| intError); |
| mLayers.erase(layerId); |
| } |
| |
| // Other Display methods |
| |
| std::shared_ptr<Layer> Display::getLayerById(hwc2_layer_t id) const |
| { |
| if (mLayers.count(id) == 0) { |
| return nullptr; |
| } |
| |
| auto layer = mLayers.at(id).lock(); |
| return layer; |
| } |
| |
| // Layer methods |
| |
| Layer::Layer(const std::shared_ptr<Display>& display, hwc2_layer_t id) |
| : mDisplay(display), |
| mDisplayId(display->getId()), |
| mDevice(display->getDevice()), |
| mId(id) |
| { |
| ALOGV("Created layer %" PRIu64 " on display %" PRIu64, id, |
| display->getId()); |
| } |
| |
| Layer::~Layer() |
| { |
| auto display = mDisplay.lock(); |
| if (display) { |
| display->destroyLayer(mId); |
| } |
| } |
| |
| Error Layer::setCursorPosition(int32_t x, int32_t y) |
| { |
| int32_t intError = mDevice.mSetCursorPosition(mDevice.mHwcDevice, |
| mDisplayId, mId, x, y); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setBuffer(buffer_handle_t buffer, |
| const sp<Fence>& acquireFence) |
| { |
| int32_t fenceFd = acquireFence->dup(); |
| int32_t intError = mDevice.mSetLayerBuffer(mDevice.mHwcDevice, mDisplayId, |
| mId, buffer, fenceFd); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setSurfaceDamage(const Region& damage) |
| { |
| // We encode default full-screen damage as INVALID_RECT upstream, but as 0 |
| // rects for HWC |
| int32_t intError = 0; |
| if (damage.isRect() && damage.getBounds() == Rect::INVALID_RECT) { |
| intError = mDevice.mSetLayerSurfaceDamage(mDevice.mHwcDevice, |
| mDisplayId, mId, {0, nullptr}); |
| } else { |
| size_t rectCount = 0; |
| auto rectArray = damage.getArray(&rectCount); |
| |
| std::vector<hwc_rect_t> hwcRects; |
| for (size_t rect = 0; rect < rectCount; ++rect) { |
| hwcRects.push_back({rectArray[rect].left, rectArray[rect].top, |
| rectArray[rect].right, rectArray[rect].bottom}); |
| } |
| |
| hwc_region_t hwcRegion = {}; |
| hwcRegion.numRects = rectCount; |
| hwcRegion.rects = hwcRects.data(); |
| |
| intError = mDevice.mSetLayerSurfaceDamage(mDevice.mHwcDevice, |
| mDisplayId, mId, hwcRegion); |
| } |
| |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setBlendMode(BlendMode mode) |
| { |
| auto intMode = static_cast<int32_t>(mode); |
| int32_t intError = mDevice.mSetLayerBlendMode(mDevice.mHwcDevice, |
| mDisplayId, mId, intMode); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setColor(hwc_color_t color) |
| { |
| int32_t intError = mDevice.mSetLayerColor(mDevice.mHwcDevice, mDisplayId, |
| mId, color); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setCompositionType(Composition type) |
| { |
| auto intType = static_cast<int32_t>(type); |
| int32_t intError = mDevice.mSetLayerCompositionType(mDevice.mHwcDevice, |
| mDisplayId, mId, intType); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setDataspace(android_dataspace_t dataspace) |
| { |
| auto intDataspace = static_cast<int32_t>(dataspace); |
| int32_t intError = mDevice.mSetLayerDataspace(mDevice.mHwcDevice, |
| mDisplayId, mId, intDataspace); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setDisplayFrame(const Rect& frame) |
| { |
| hwc_rect_t hwcRect{frame.left, frame.top, frame.right, frame.bottom}; |
| int32_t intError = mDevice.mSetLayerDisplayFrame(mDevice.mHwcDevice, |
| mDisplayId, mId, hwcRect); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setPlaneAlpha(float alpha) |
| { |
| int32_t intError = mDevice.mSetLayerPlaneAlpha(mDevice.mHwcDevice, |
| mDisplayId, mId, alpha); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setSidebandStream(const native_handle_t* stream) |
| { |
| if (!mDevice.hasCapability(Capability::SidebandStream)) { |
| ALOGE("Attempted to call setSidebandStream without checking that the " |
| "device supports sideband streams"); |
| return Error::Unsupported; |
| } |
| int32_t intError = mDevice.mSetLayerSidebandStream(mDevice.mHwcDevice, |
| mDisplayId, mId, stream); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setSourceCrop(const FloatRect& crop) |
| { |
| hwc_frect_t hwcRect{crop.left, crop.top, crop.right, crop.bottom}; |
| int32_t intError = mDevice.mSetLayerSourceCrop(mDevice.mHwcDevice, |
| mDisplayId, mId, hwcRect); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setTransform(Transform transform) |
| { |
| auto intTransform = static_cast<int32_t>(transform); |
| int32_t intError = mDevice.mSetLayerTransform(mDevice.mHwcDevice, |
| mDisplayId, mId, intTransform); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setVisibleRegion(const Region& region) |
| { |
| size_t rectCount = 0; |
| auto rectArray = region.getArray(&rectCount); |
| |
| std::vector<hwc_rect_t> hwcRects; |
| for (size_t rect = 0; rect < rectCount; ++rect) { |
| hwcRects.push_back({rectArray[rect].left, rectArray[rect].top, |
| rectArray[rect].right, rectArray[rect].bottom}); |
| } |
| |
| hwc_region_t hwcRegion = {}; |
| hwcRegion.numRects = rectCount; |
| hwcRegion.rects = hwcRects.data(); |
| |
| int32_t intError = mDevice.mSetLayerVisibleRegion(mDevice.mHwcDevice, |
| mDisplayId, mId, hwcRegion); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setZOrder(uint32_t z) |
| { |
| int32_t intError = mDevice.mSetLayerZOrder(mDevice.mHwcDevice, mDisplayId, |
| mId, z); |
| return static_cast<Error>(intError); |
| } |
| |
| } // namespace HWC2 |
