| /* |
| * 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 "ComposerHal.h" |
| |
| #include <ui/Fence.h> |
| #include <ui/FloatRect.h> |
| #include <ui/GraphicBuffer.h> |
| #include <ui/Region.h> |
| |
| #include <android/configuration.h> |
| |
| #include <algorithm> |
| #include <inttypes.h> |
| |
| using android::Fence; |
| using android::FloatRect; |
| using android::GraphicBuffer; |
| using android::HdrCapabilities; |
| using android::Rect; |
| using android::Region; |
| using android::sp; |
| using android::hardware::Return; |
| using android::hardware::Void; |
| |
| namespace HWC2 { |
| |
| namespace Hwc2 = android::Hwc2; |
| |
| namespace { |
| |
| class ComposerCallbackBridge : public Hwc2::IComposerCallback { |
| public: |
| ComposerCallbackBridge(ComposerCallback* callback, int32_t sequenceId) |
| : mCallback(callback), mSequenceId(sequenceId), |
| mHasPrimaryDisplay(false) {} |
| |
| Return<void> onHotplug(Hwc2::Display display, |
| IComposerCallback::Connection conn) override |
| { |
| HWC2::Connection connection = static_cast<HWC2::Connection>(conn); |
| if (!mHasPrimaryDisplay) { |
| LOG_ALWAYS_FATAL_IF(connection != HWC2::Connection::Connected, |
| "Initial onHotplug callback should be " |
| "primary display connected"); |
| mHasPrimaryDisplay = true; |
| mCallback->onHotplugReceived(mSequenceId, display, |
| connection, true); |
| } else { |
| mCallback->onHotplugReceived(mSequenceId, display, |
| connection, false); |
| } |
| return Void(); |
| } |
| |
| Return<void> onRefresh(Hwc2::Display display) override |
| { |
| mCallback->onRefreshReceived(mSequenceId, display); |
| return Void(); |
| } |
| |
| Return<void> onVsync(Hwc2::Display display, int64_t timestamp) override |
| { |
| mCallback->onVsyncReceived(mSequenceId, display, timestamp); |
| return Void(); |
| } |
| |
| bool HasPrimaryDisplay() { return mHasPrimaryDisplay; } |
| |
| private: |
| ComposerCallback* mCallback; |
| int32_t mSequenceId; |
| bool mHasPrimaryDisplay; |
| }; |
| |
| } // namespace anonymous |
| |
| |
| // Device methods |
| |
| Device::Device(const std::string& serviceName) |
| : mComposer(std::make_unique<Hwc2::Composer>(serviceName)), |
| mCapabilities(), |
| mDisplays(), |
| mRegisteredCallback(false) |
| { |
| loadCapabilities(); |
| } |
| |
| void Device::registerCallback(ComposerCallback* callback, int32_t sequenceId) { |
| if (mRegisteredCallback) { |
| ALOGW("Callback already registered. Ignored extra registration " |
| "attempt."); |
| return; |
| } |
| mRegisteredCallback = true; |
| sp<ComposerCallbackBridge> callbackBridge( |
| new ComposerCallbackBridge(callback, sequenceId)); |
| mComposer->registerCallback(callbackBridge); |
| LOG_ALWAYS_FATAL_IF(!callbackBridge->HasPrimaryDisplay(), |
| "Registered composer callback but didn't get primary display"); |
| } |
| |
| // Required by HWC2 device |
| |
| std::string Device::dump() const |
| { |
| return mComposer->dumpDebugInfo(); |
| } |
| |
| uint32_t Device::getMaxVirtualDisplayCount() const |
| { |
| return mComposer->getMaxVirtualDisplayCount(); |
| } |
| |
| Error Device::createVirtualDisplay(uint32_t width, uint32_t height, |
| android_pixel_format_t* format, Display** outDisplay) |
| { |
| ALOGI("Creating virtual display"); |
| |
| hwc2_display_t displayId = 0; |
| auto intFormat = static_cast<Hwc2::PixelFormat>(*format); |
| auto intError = mComposer->createVirtualDisplay(width, height, |
| &intFormat, &displayId); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| auto display = std::make_unique<Display>( |
| *mComposer.get(), mCapabilities, displayId, DisplayType::Virtual); |
| *outDisplay = display.get(); |
| *format = static_cast<android_pixel_format_t>(intFormat); |
| mDisplays.emplace(displayId, std::move(display)); |
| ALOGI("Created virtual display"); |
| return Error::None; |
| } |
| |
| void Device::destroyDisplay(hwc2_display_t displayId) |
| { |
| ALOGI("Destroying display %" PRIu64, displayId); |
| mDisplays.erase(displayId); |
| } |
| |
| void Device::onHotplug(hwc2_display_t displayId, Connection connection) { |
| if (connection == Connection::Connected) { |
| auto display = getDisplayById(displayId); |
| if (display) { |
| if (display->isConnected()) { |
| ALOGW("Attempt to hotplug connect display %" PRIu64 |
| " , which is already connected.", displayId); |
| } else { |
| display->setConnected(true); |
| } |
| } else { |
| DisplayType displayType; |
| auto intError = mComposer->getDisplayType(displayId, |
| reinterpret_cast<Hwc2::IComposerClient::DisplayType *>( |
| &displayType)); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| ALOGE("getDisplayType(%" PRIu64 ") failed: %s (%d). " |
| "Aborting hotplug attempt.", |
| displayId, to_string(error).c_str(), intError); |
| return; |
| } |
| |
| auto newDisplay = std::make_unique<Display>( |
| *mComposer.get(), mCapabilities, displayId, displayType); |
| mDisplays.emplace(displayId, std::move(newDisplay)); |
| } |
| } else if (connection == Connection::Disconnected) { |
| // The display will later be destroyed by a call to |
| // destroyDisplay(). For now we just mark it disconnected. |
| auto display = getDisplayById(displayId); |
| if (display) { |
| display->setConnected(false); |
| } else { |
| ALOGW("Attempted to disconnect unknown display %" PRIu64, |
| displayId); |
| } |
| } |
| } |
| |
| // Other Device methods |
| |
| Display* Device::getDisplayById(hwc2_display_t id) { |
| auto iter = mDisplays.find(id); |
| return iter == mDisplays.end() ? nullptr : iter->second.get(); |
| } |
| |
| // Device initialization methods |
| |
| void Device::loadCapabilities() |
| { |
| static_assert(sizeof(Capability) == sizeof(int32_t), |
| "Capability size has changed"); |
| auto capabilities = mComposer->getCapabilities(); |
| for (auto capability : capabilities) { |
| mCapabilities.emplace(static_cast<Capability>(capability)); |
| } |
| } |
| |
| // Display methods |
| |
| Display::Display(android::Hwc2::Composer& composer, |
| const std::unordered_set<Capability>& capabilities, |
| hwc2_display_t id, DisplayType type) |
| : mComposer(composer), |
| mCapabilities(capabilities), |
| mId(id), |
| mIsConnected(false), |
| mType(type) |
| { |
| ALOGV("Created display %" PRIu64, id); |
| setConnected(true); |
| } |
| |
| Display::~Display() { |
| mLayers.clear(); |
| |
| if (mType == DisplayType::Virtual) { |
| ALOGV("Destroying virtual display"); |
| auto intError = mComposer.destroyVirtualDisplay(mId); |
| auto error = static_cast<Error>(intError); |
| ALOGE_IF(error != Error::None, "destroyVirtualDisplay(%" PRIu64 |
| ") failed: %s (%d)", mId, to_string(error).c_str(), intError); |
| } else if (mType == DisplayType::Physical) { |
| auto error = setVsyncEnabled(HWC2::Vsync::Disable); |
| if (error != Error::None) { |
| ALOGE("~Display: Failed to disable vsync for display %" PRIu64 |
| ": %s (%d)", mId, to_string(error).c_str(), |
| static_cast<int32_t>(error)); |
| } |
| } |
| } |
| |
| 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() |
| { |
| auto intError = mComposer.acceptDisplayChanges(mId); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::createLayer(Layer** outLayer) |
| { |
| if (!outLayer) { |
| return Error::BadParameter; |
| } |
| hwc2_layer_t layerId = 0; |
| auto intError = mComposer.createLayer(mId, &layerId); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| auto layer = std::make_unique<Layer>( |
| mComposer, mCapabilities, mId, layerId); |
| *outLayer = layer.get(); |
| mLayers.emplace(layerId, std::move(layer)); |
| return Error::None; |
| } |
| |
| Error Display::destroyLayer(Layer* layer) |
| { |
| if (!layer) { |
| return Error::BadParameter; |
| } |
| mLayers.erase(layer->getId()); |
| return Error::None; |
| } |
| |
| Error Display::getActiveConfig( |
| std::shared_ptr<const Display::Config>* outConfig) const |
| { |
| ALOGV("[%" PRIu64 "] getActiveConfig", mId); |
| hwc2_config_t configId = 0; |
| auto intError = mComposer.getActiveConfig(mId, &configId); |
| auto error = static_cast<Error>(intError); |
| |
| if (error != Error::None) { |
| ALOGE("Unable to get active config for mId:[%" PRIu64 "]", mId); |
| *outConfig = nullptr; |
| 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<Layer*, Composition>* outTypes) |
| { |
| std::vector<Hwc2::Layer> layerIds; |
| std::vector<Hwc2::IComposerClient::Composition> types; |
| auto intError = mComposer.getChangedCompositionTypes( |
| mId, &layerIds, &types); |
| uint32_t numElements = layerIds.size(); |
| auto error = static_cast<Error>(intError); |
| 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<android_color_mode_t>* outModes) const |
| { |
| std::vector<Hwc2::ColorMode> modes; |
| auto intError = mComposer.getColorModes(mId, &modes); |
| uint32_t numModes = modes.size(); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| outModes->resize(numModes); |
| for (size_t i = 0; i < numModes; i++) { |
| (*outModes)[i] = static_cast<android_color_mode_t>(modes[i]); |
| } |
| 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 |
| { |
| auto intError = mComposer.getDisplayName(mId, outName); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::getRequests(HWC2::DisplayRequest* outDisplayRequests, |
| std::unordered_map<Layer*, LayerRequest>* outLayerRequests) |
| { |
| uint32_t intDisplayRequests; |
| std::vector<Hwc2::Layer> layerIds; |
| std::vector<uint32_t> layerRequests; |
| auto intError = mComposer.getDisplayRequests( |
| mId, &intDisplayRequests, &layerIds, &layerRequests); |
| uint32_t numElements = layerIds.size(); |
| auto 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 |
| { |
| *outType = mType; |
| return Error::None; |
| } |
| |
| Error Display::supportsDoze(bool* outSupport) const |
| { |
| bool intSupport = false; |
| auto intError = mComposer.getDozeSupport(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; |
| std::vector<Hwc2::Hdr> intTypes; |
| auto intError = mComposer.getHdrCapabilities(mId, &intTypes, |
| &maxLuminance, &maxAverageLuminance, &minLuminance); |
| auto error = static_cast<HWC2::Error>(intError); |
| |
| std::vector<int32_t> types; |
| for (auto type : intTypes) { |
| types.push_back(static_cast<int32_t>(type)); |
| } |
| numTypes = types.size(); |
| 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<Layer*, sp<Fence>>* outFences) const |
| { |
| std::vector<Hwc2::Layer> layerIds; |
| std::vector<int> fenceFds; |
| auto intError = mComposer.getReleaseFences(mId, &layerIds, &fenceFds); |
| auto error = static_cast<Error>(intError); |
| uint32_t numElements = layerIds.size(); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| std::unordered_map<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(layer, fence); |
| } else { |
| ALOGE("getReleaseFences: invalid layer %" PRIu64 |
| " found on display %" PRIu64, layerIds[element], mId); |
| for (; element < numElements; ++element) { |
| close(fenceFds[element]); |
| } |
| return Error::BadLayer; |
| } |
| } |
| |
| *outFences = std::move(releaseFences); |
| return Error::None; |
| } |
| |
| Error Display::present(sp<Fence>* outPresentFence) |
| { |
| int32_t presentFenceFd = -1; |
| auto intError = mComposer.presentDisplay(mId, &presentFenceFd); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None) { |
| return error; |
| } |
| |
| *outPresentFence = new Fence(presentFenceFd); |
| 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; |
| } |
| auto intError = mComposer.setActiveConfig(mId, config->getId()); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::setClientTarget(uint32_t slot, const sp<GraphicBuffer>& target, |
| const sp<Fence>& acquireFence, android_dataspace_t dataspace) |
| { |
| // TODO: Properly encode client target surface damage |
| int32_t fenceFd = acquireFence->dup(); |
| auto intError = mComposer.setClientTarget(mId, slot, target, |
| fenceFd, static_cast<Hwc2::Dataspace>(dataspace), |
| std::vector<Hwc2::IComposerClient::Rect>()); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::setColorMode(android_color_mode_t mode) |
| { |
| auto intError = mComposer.setColorMode( |
| mId, static_cast<Hwc2::ColorMode>(mode)); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::setColorTransform(const android::mat4& matrix, |
| android_color_transform_t hint) |
| { |
| auto intError = mComposer.setColorTransform(mId, |
| matrix.asArray(), static_cast<Hwc2::ColorTransform>(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; |
| auto intError = mComposer.setOutputBuffer(mId, handle, fenceFd); |
| close(fenceFd); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::setPowerMode(PowerMode mode) |
| { |
| auto intMode = static_cast<Hwc2::IComposerClient::PowerMode>(mode); |
| auto intError = mComposer.setPowerMode(mId, intMode); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::setVsyncEnabled(Vsync enabled) |
| { |
| auto intEnabled = static_cast<Hwc2::IComposerClient::Vsync>(enabled); |
| auto intError = mComposer.setVsyncEnabled(mId, intEnabled); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Display::validate(uint32_t* outNumTypes, uint32_t* outNumRequests) |
| { |
| uint32_t numTypes = 0; |
| uint32_t numRequests = 0; |
| auto intError = mComposer.validateDisplay(mId, &numTypes, &numRequests); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None && error != Error::HasChanges) { |
| return error; |
| } |
| |
| *outNumTypes = numTypes; |
| *outNumRequests = numRequests; |
| return error; |
| } |
| |
| Error Display::presentOrValidate(uint32_t* outNumTypes, uint32_t* outNumRequests, |
| sp<android::Fence>* outPresentFence, uint32_t* state) { |
| |
| uint32_t numTypes = 0; |
| uint32_t numRequests = 0; |
| int32_t presentFenceFd = -1; |
| auto intError = mComposer.presentOrValidateDisplay( |
| mId, &numTypes, &numRequests, &presentFenceFd, state); |
| auto error = static_cast<Error>(intError); |
| if (error != Error::None && error != Error::HasChanges) { |
| return error; |
| } |
| |
| if (*state == 1) { |
| *outPresentFence = new Fence(presentFenceFd); |
| } |
| |
| if (*state == 0) { |
| *outNumTypes = numTypes; |
| *outNumRequests = numRequests; |
| } |
| return error; |
| } |
| |
| void Display::discardCommands() |
| { |
| mComposer.resetCommands(); |
| } |
| |
| // For use by Device |
| |
| void Display::setConnected(bool connected) { |
| if (!mIsConnected && connected && mType == DisplayType::Physical) { |
| mComposer.setClientTargetSlotCount(mId); |
| loadConfigs(); |
| } |
| mIsConnected = connected; |
| } |
| |
| int32_t Display::getAttribute(hwc2_config_t configId, Attribute attribute) |
| { |
| int32_t value = 0; |
| auto intError = mComposer.getDisplayAttribute(mId, configId, |
| static_cast<Hwc2::IComposerClient::Attribute>(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); |
| |
| std::vector<Hwc2::Config> configIds; |
| auto intError = mComposer.getDisplayConfigs(mId, &configIds); |
| auto 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); |
| } |
| } |
| |
| // Other Display methods |
| |
| Layer* Display::getLayerById(hwc2_layer_t id) const |
| { |
| if (mLayers.count(id) == 0) { |
| return nullptr; |
| } |
| |
| return mLayers.at(id).get(); |
| } |
| |
| // Layer methods |
| |
| Layer::Layer(android::Hwc2::Composer& composer, |
| const std::unordered_set<Capability>& capabilities, |
| hwc2_display_t displayId, hwc2_layer_t layerId) |
| : mComposer(composer), |
| mCapabilities(capabilities), |
| mDisplayId(displayId), |
| mId(layerId) |
| { |
| ALOGV("Created layer %" PRIu64 " on display %" PRIu64, layerId, displayId); |
| } |
| |
| Layer::~Layer() |
| { |
| auto intError = mComposer.destroyLayer(mDisplayId, mId); |
| auto error = static_cast<Error>(intError); |
| ALOGE_IF(error != Error::None, "destroyLayer(%" PRIu64 ", %" PRIu64 ")" |
| " failed: %s (%d)", mDisplayId, mId, to_string(error).c_str(), |
| intError); |
| if (mLayerDestroyedListener) { |
| mLayerDestroyedListener(this); |
| } |
| } |
| |
| void Layer::setLayerDestroyedListener(std::function<void(Layer*)> listener) { |
| LOG_ALWAYS_FATAL_IF(mLayerDestroyedListener && listener, |
| "Attempt to set layer destroyed listener multiple times"); |
| mLayerDestroyedListener = listener; |
| } |
| |
| Error Layer::setCursorPosition(int32_t x, int32_t y) |
| { |
| auto intError = mComposer.setCursorPosition(mDisplayId, mId, x, y); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setBuffer(uint32_t slot, const sp<GraphicBuffer>& buffer, |
| const sp<Fence>& acquireFence) |
| { |
| int32_t fenceFd = acquireFence->dup(); |
| auto intError = mComposer.setLayerBuffer(mDisplayId, mId, slot, 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 |
| Hwc2::Error intError = Hwc2::Error::NONE; |
| if (damage.isRect() && damage.getBounds() == Rect::INVALID_RECT) { |
| intError = mComposer.setLayerSurfaceDamage(mDisplayId, |
| mId, std::vector<Hwc2::IComposerClient::Rect>()); |
| } else { |
| size_t rectCount = 0; |
| auto rectArray = damage.getArray(&rectCount); |
| |
| std::vector<Hwc2::IComposerClient::Rect> hwcRects; |
| for (size_t rect = 0; rect < rectCount; ++rect) { |
| hwcRects.push_back({rectArray[rect].left, rectArray[rect].top, |
| rectArray[rect].right, rectArray[rect].bottom}); |
| } |
| |
| intError = mComposer.setLayerSurfaceDamage(mDisplayId, mId, hwcRects); |
| } |
| |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setBlendMode(BlendMode mode) |
| { |
| auto intMode = static_cast<Hwc2::IComposerClient::BlendMode>(mode); |
| auto intError = mComposer.setLayerBlendMode(mDisplayId, mId, intMode); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setColor(hwc_color_t color) |
| { |
| Hwc2::IComposerClient::Color hwcColor{color.r, color.g, color.b, color.a}; |
| auto intError = mComposer.setLayerColor(mDisplayId, mId, hwcColor); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setCompositionType(Composition type) |
| { |
| auto intType = static_cast<Hwc2::IComposerClient::Composition>(type); |
| auto intError = mComposer.setLayerCompositionType( |
| mDisplayId, mId, intType); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setDataspace(android_dataspace_t dataspace) |
| { |
| if (dataspace == mDataSpace) { |
| return Error::None; |
| } |
| mDataSpace = dataspace; |
| auto intDataspace = static_cast<Hwc2::Dataspace>(dataspace); |
| auto intError = mComposer.setLayerDataspace(mDisplayId, mId, intDataspace); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setDisplayFrame(const Rect& frame) |
| { |
| Hwc2::IComposerClient::Rect hwcRect{frame.left, frame.top, |
| frame.right, frame.bottom}; |
| auto intError = mComposer.setLayerDisplayFrame(mDisplayId, mId, hwcRect); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setPlaneAlpha(float alpha) |
| { |
| auto intError = mComposer.setLayerPlaneAlpha(mDisplayId, mId, alpha); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setSidebandStream(const native_handle_t* stream) |
| { |
| if (mCapabilities.count(Capability::SidebandStream) == 0) { |
| ALOGE("Attempted to call setSidebandStream without checking that the " |
| "device supports sideband streams"); |
| return Error::Unsupported; |
| } |
| auto intError = mComposer.setLayerSidebandStream(mDisplayId, mId, stream); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setSourceCrop(const FloatRect& crop) |
| { |
| Hwc2::IComposerClient::FRect hwcRect{ |
| crop.left, crop.top, crop.right, crop.bottom}; |
| auto intError = mComposer.setLayerSourceCrop(mDisplayId, mId, hwcRect); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setTransform(Transform transform) |
| { |
| auto intTransform = static_cast<Hwc2::Transform>(transform); |
| auto intError = mComposer.setLayerTransform(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<Hwc2::IComposerClient::Rect> hwcRects; |
| for (size_t rect = 0; rect < rectCount; ++rect) { |
| hwcRects.push_back({rectArray[rect].left, rectArray[rect].top, |
| rectArray[rect].right, rectArray[rect].bottom}); |
| } |
| |
| auto intError = mComposer.setLayerVisibleRegion(mDisplayId, mId, hwcRects); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setZOrder(uint32_t z) |
| { |
| auto intError = mComposer.setLayerZOrder(mDisplayId, mId, z); |
| return static_cast<Error>(intError); |
| } |
| |
| Error Layer::setInfo(uint32_t type, uint32_t appId) |
| { |
| auto intError = mComposer.setLayerInfo(mDisplayId, mId, type, appId); |
| return static_cast<Error>(intError); |
| } |
| |
| } // namespace HWC2 |