| /* |
| * Copyright (C) 2010 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 "HWComposer" |
| #define ATRACE_TAG ATRACE_TAG_GRAPHICS |
| |
| #include <compositionengine/Output.h> |
| #include <compositionengine/OutputLayer.h> |
| #include <compositionengine/impl/OutputLayerCompositionState.h> |
| #include <log/log.h> |
| #include <ui/DebugUtils.h> |
| #include <ui/GraphicBuffer.h> |
| #include <utils/Errors.h> |
| #include <utils/Trace.h> |
| |
| #include "HWComposer.h" |
| #include "HWC2.h" |
| #include "ComposerHal.h" |
| |
| #include "../Layer.h" // needed only for debugging |
| #include "../SurfaceFlinger.h" |
| |
| #define LOG_HWC_DISPLAY_ERROR(hwcDisplayId, msg) \ |
| ALOGE("%s failed for HWC display %" PRIu64 ": %s", __FUNCTION__, hwcDisplayId, msg) |
| |
| #define LOG_DISPLAY_ERROR(displayId, msg) \ |
| ALOGE("%s failed for display %s: %s", __FUNCTION__, to_string(displayId).c_str(), msg) |
| |
| #define LOG_HWC_ERROR(what, error, displayId) \ |
| ALOGE("%s: %s failed for display %s: %s (%d)", __FUNCTION__, what, \ |
| to_string(displayId).c_str(), to_string(error).c_str(), static_cast<int32_t>(error)) |
| |
| #define RETURN_IF_INVALID_DISPLAY(displayId, ...) \ |
| do { \ |
| if (mDisplayData.count(displayId) == 0) { \ |
| LOG_DISPLAY_ERROR(displayId, "Invalid display"); \ |
| return __VA_ARGS__; \ |
| } \ |
| } while (false) |
| |
| #define RETURN_IF_HWC_ERROR_FOR(what, error, displayId, ...) \ |
| do { \ |
| if (error != HWC2::Error::None) { \ |
| LOG_HWC_ERROR(what, error, displayId); \ |
| return __VA_ARGS__; \ |
| } \ |
| } while (false) |
| |
| #define RETURN_IF_HWC_ERROR(error, displayId, ...) \ |
| RETURN_IF_HWC_ERROR_FOR(__FUNCTION__, error, displayId, __VA_ARGS__) |
| |
| namespace android { |
| |
| HWComposer::~HWComposer() = default; |
| |
| namespace impl { |
| |
| HWComposer::HWComposer(std::unique_ptr<Hwc2::Composer> composer) |
| : mHwcDevice(std::make_unique<HWC2::Device>(std::move(composer))) {} |
| |
| HWComposer::~HWComposer() { |
| mDisplayData.clear(); |
| } |
| |
| void HWComposer::registerCallback(HWC2::ComposerCallback* callback, |
| int32_t sequenceId) { |
| mHwcDevice->registerCallback(callback, sequenceId); |
| } |
| |
| bool HWComposer::getDisplayIdentificationData(hwc2_display_t hwcDisplayId, uint8_t* outPort, |
| DisplayIdentificationData* outData) const { |
| const auto error = mHwcDevice->getDisplayIdentificationData(hwcDisplayId, outPort, outData); |
| if (error != HWC2::Error::None) { |
| if (error != HWC2::Error::Unsupported) { |
| LOG_HWC_DISPLAY_ERROR(hwcDisplayId, to_string(error).c_str()); |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| bool HWComposer::hasCapability(HWC2::Capability capability) const |
| { |
| return mHwcDevice->getCapabilities().count(capability) > 0; |
| } |
| |
| bool HWComposer::hasDisplayCapability(const std::optional<DisplayId>& displayId, |
| HWC2::DisplayCapability capability) const { |
| if (!displayId) { |
| // Checkout global capabilities for displays without a corresponding HWC display. |
| if (capability == HWC2::DisplayCapability::SkipClientColorTransform) { |
| return hasCapability(HWC2::Capability::SkipClientColorTransform); |
| } |
| return false; |
| } |
| RETURN_IF_INVALID_DISPLAY(*displayId, false); |
| return mDisplayData.at(*displayId).hwcDisplay->getCapabilities().count(capability) > 0; |
| } |
| |
| void HWComposer::validateChange(HWC2::Composition from, HWC2::Composition to) { |
| bool valid = true; |
| switch (from) { |
| case HWC2::Composition::Client: |
| valid = false; |
| break; |
| case HWC2::Composition::Device: |
| case HWC2::Composition::SolidColor: |
| valid = (to == HWC2::Composition::Client); |
| break; |
| case HWC2::Composition::Cursor: |
| case HWC2::Composition::Sideband: |
| valid = (to == HWC2::Composition::Client || |
| to == HWC2::Composition::Device); |
| break; |
| default: |
| break; |
| } |
| |
| if (!valid) { |
| ALOGE("Invalid layer type change: %s --> %s", to_string(from).c_str(), |
| to_string(to).c_str()); |
| } |
| } |
| |
| std::optional<DisplayIdentificationInfo> HWComposer::onHotplug(hwc2_display_t hwcDisplayId, |
| HWC2::Connection connection) { |
| std::optional<DisplayIdentificationInfo> info; |
| |
| if (const auto displayId = toPhysicalDisplayId(hwcDisplayId)) { |
| info = DisplayIdentificationInfo{*displayId, std::string()}; |
| } else { |
| if (connection == HWC2::Connection::Disconnected) { |
| ALOGE("Ignoring disconnection of invalid HWC display %" PRIu64, hwcDisplayId); |
| return {}; |
| } |
| |
| info = onHotplugConnect(hwcDisplayId); |
| if (!info) return {}; |
| } |
| |
| ALOGV("%s: %s %s display %s with HWC ID %" PRIu64, __FUNCTION__, to_string(connection).c_str(), |
| hwcDisplayId == mInternalHwcDisplayId ? "internal" : "external", |
| to_string(info->id).c_str(), hwcDisplayId); |
| |
| mHwcDevice->onHotplug(hwcDisplayId, connection); |
| |
| // Disconnect is handled through HWComposer::disconnectDisplay via |
| // SurfaceFlinger's onHotplugReceived callback handling |
| if (connection == HWC2::Connection::Connected) { |
| mDisplayData[info->id].hwcDisplay = mHwcDevice->getDisplayById(hwcDisplayId); |
| mPhysicalDisplayIdMap[hwcDisplayId] = info->id; |
| } |
| |
| return info; |
| } |
| |
| bool HWComposer::onVsync(hwc2_display_t hwcDisplayId, int64_t timestamp) { |
| const auto displayId = toPhysicalDisplayId(hwcDisplayId); |
| if (!displayId) { |
| LOG_HWC_DISPLAY_ERROR(hwcDisplayId, "Invalid HWC display"); |
| return false; |
| } |
| |
| RETURN_IF_INVALID_DISPLAY(*displayId, false); |
| |
| auto& displayData = mDisplayData[*displayId]; |
| if (displayData.isVirtual) { |
| LOG_DISPLAY_ERROR(*displayId, "Invalid operation on virtual display"); |
| return false; |
| } |
| |
| { |
| std::lock_guard lock(displayData.lastHwVsyncLock); |
| |
| // There have been reports of HWCs that signal several vsync events |
| // with the same timestamp when turning the display off and on. This |
| // is a bug in the HWC implementation, but filter the extra events |
| // out here so they don't cause havoc downstream. |
| if (timestamp == displayData.lastHwVsync) { |
| ALOGW("Ignoring duplicate VSYNC event from HWC for display %s (t=%" PRId64 ")", |
| to_string(*displayId).c_str(), timestamp); |
| return false; |
| } |
| |
| displayData.lastHwVsync = timestamp; |
| } |
| |
| const auto tag = "HW_VSYNC_" + to_string(*displayId); |
| ATRACE_INT(tag.c_str(), displayData.vsyncTraceToggle); |
| displayData.vsyncTraceToggle = !displayData.vsyncTraceToggle; |
| |
| return true; |
| } |
| |
| std::optional<DisplayId> HWComposer::allocateVirtualDisplay(uint32_t width, uint32_t height, |
| ui::PixelFormat* format) { |
| if (mRemainingHwcVirtualDisplays == 0) { |
| ALOGE("%s: No remaining virtual displays", __FUNCTION__); |
| return {}; |
| } |
| |
| if (SurfaceFlinger::maxVirtualDisplaySize != 0 && |
| (width > SurfaceFlinger::maxVirtualDisplaySize || |
| height > SurfaceFlinger::maxVirtualDisplaySize)) { |
| ALOGE("%s: Display size %ux%u exceeds maximum dimension of %" PRIu64, __FUNCTION__, width, |
| height, SurfaceFlinger::maxVirtualDisplaySize); |
| return {}; |
| } |
| HWC2::Display* display; |
| auto error = mHwcDevice->createVirtualDisplay(width, height, format, |
| &display); |
| if (error != HWC2::Error::None) { |
| ALOGE("%s: Failed to create HWC virtual display", __FUNCTION__); |
| return {}; |
| } |
| |
| DisplayId displayId; |
| if (mFreeVirtualDisplayIds.empty()) { |
| displayId = getVirtualDisplayId(mNextVirtualDisplayId++); |
| } else { |
| displayId = *mFreeVirtualDisplayIds.begin(); |
| mFreeVirtualDisplayIds.erase(displayId); |
| } |
| |
| auto& displayData = mDisplayData[displayId]; |
| displayData.hwcDisplay = display; |
| displayData.isVirtual = true; |
| |
| --mRemainingHwcVirtualDisplays; |
| return displayId; |
| } |
| |
| HWC2::Layer* HWComposer::createLayer(DisplayId displayId) { |
| RETURN_IF_INVALID_DISPLAY(displayId, nullptr); |
| |
| auto display = mDisplayData[displayId].hwcDisplay; |
| HWC2::Layer* layer; |
| auto error = display->createLayer(&layer); |
| RETURN_IF_HWC_ERROR(error, displayId, nullptr); |
| return layer; |
| } |
| |
| void HWComposer::destroyLayer(DisplayId displayId, HWC2::Layer* layer) { |
| RETURN_IF_INVALID_DISPLAY(displayId); |
| |
| auto display = mDisplayData[displayId].hwcDisplay; |
| auto error = display->destroyLayer(layer); |
| RETURN_IF_HWC_ERROR(error, displayId); |
| } |
| |
| nsecs_t HWComposer::getRefreshTimestamp(DisplayId displayId) const { |
| RETURN_IF_INVALID_DISPLAY(displayId, 0); |
| const auto& displayData = mDisplayData.at(displayId); |
| // this returns the last refresh timestamp. |
| // if the last one is not available, we estimate it based on |
| // the refresh period and whatever closest timestamp we have. |
| std::lock_guard lock(displayData.lastHwVsyncLock); |
| nsecs_t now = systemTime(CLOCK_MONOTONIC); |
| auto vsyncPeriod = getActiveConfig(displayId)->getVsyncPeriod(); |
| return now - ((now - displayData.lastHwVsync) % vsyncPeriod); |
| } |
| |
| bool HWComposer::isConnected(DisplayId displayId) const { |
| RETURN_IF_INVALID_DISPLAY(displayId, false); |
| return mDisplayData.at(displayId).hwcDisplay->isConnected(); |
| } |
| |
| std::vector<std::shared_ptr<const HWC2::Display::Config>> HWComposer::getConfigs( |
| DisplayId displayId) const { |
| RETURN_IF_INVALID_DISPLAY(displayId, {}); |
| |
| const auto& displayData = mDisplayData.at(displayId); |
| auto configs = displayData.hwcDisplay->getConfigs(); |
| if (displayData.configMap.empty()) { |
| for (size_t i = 0; i < configs.size(); ++i) { |
| displayData.configMap[i] = configs[i]; |
| } |
| } |
| return configs; |
| } |
| |
| std::shared_ptr<const HWC2::Display::Config> HWComposer::getActiveConfig( |
| DisplayId displayId) const { |
| RETURN_IF_INVALID_DISPLAY(displayId, nullptr); |
| |
| std::shared_ptr<const HWC2::Display::Config> config; |
| auto error = mDisplayData.at(displayId).hwcDisplay->getActiveConfig(&config); |
| if (error == HWC2::Error::BadConfig) { |
| LOG_DISPLAY_ERROR(displayId, "No active config"); |
| return nullptr; |
| } |
| |
| RETURN_IF_HWC_ERROR(error, displayId, nullptr); |
| |
| if (!config) { |
| LOG_DISPLAY_ERROR(displayId, "Unknown config"); |
| return nullptr; |
| } |
| |
| return config; |
| } |
| |
| int HWComposer::getActiveConfigIndex(DisplayId displayId) const { |
| RETURN_IF_INVALID_DISPLAY(displayId, -1); |
| |
| int index; |
| auto error = mDisplayData.at(displayId).hwcDisplay->getActiveConfigIndex(&index); |
| if (error == HWC2::Error::BadConfig) { |
| LOG_DISPLAY_ERROR(displayId, "No active config"); |
| return -1; |
| } |
| |
| RETURN_IF_HWC_ERROR(error, displayId, -1); |
| |
| if (index < 0) { |
| LOG_DISPLAY_ERROR(displayId, "Unknown config"); |
| return -1; |
| } |
| |
| return index; |
| } |
| |
| std::vector<ui::ColorMode> HWComposer::getColorModes(DisplayId displayId) const { |
| RETURN_IF_INVALID_DISPLAY(displayId, {}); |
| |
| std::vector<ui::ColorMode> modes; |
| auto error = mDisplayData.at(displayId).hwcDisplay->getColorModes(&modes); |
| RETURN_IF_HWC_ERROR(error, displayId, {}); |
| return modes; |
| } |
| |
| status_t HWComposer::setActiveColorMode(DisplayId displayId, ui::ColorMode mode, |
| ui::RenderIntent renderIntent) { |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| |
| auto& displayData = mDisplayData[displayId]; |
| auto error = displayData.hwcDisplay->setColorMode(mode, renderIntent); |
| RETURN_IF_HWC_ERROR_FOR(("setColorMode(" + decodeColorMode(mode) + ", " + |
| decodeRenderIntent(renderIntent) + ")") |
| .c_str(), |
| error, displayId, UNKNOWN_ERROR); |
| |
| return NO_ERROR; |
| } |
| |
| void HWComposer::setVsyncEnabled(DisplayId displayId, HWC2::Vsync enabled) { |
| RETURN_IF_INVALID_DISPLAY(displayId); |
| auto& displayData = mDisplayData[displayId]; |
| |
| if (displayData.isVirtual) { |
| LOG_DISPLAY_ERROR(displayId, "Invalid operation on virtual display"); |
| return; |
| } |
| |
| // NOTE: we use our own internal lock here because we have to call |
| // into the HWC with the lock held, and we want to make sure |
| // that even if HWC blocks (which it shouldn't), it won't |
| // affect other threads. |
| std::lock_guard lock(displayData.vsyncEnabledLock); |
| if (enabled == displayData.vsyncEnabled) { |
| return; |
| } |
| |
| ATRACE_CALL(); |
| auto error = displayData.hwcDisplay->setVsyncEnabled(enabled); |
| RETURN_IF_HWC_ERROR(error, displayId); |
| |
| displayData.vsyncEnabled = enabled; |
| |
| const auto tag = "HW_VSYNC_ON_" + to_string(displayId); |
| ATRACE_INT(tag.c_str(), enabled == HWC2::Vsync::Enable ? 1 : 0); |
| } |
| |
| status_t HWComposer::setClientTarget(DisplayId displayId, uint32_t slot, |
| const sp<Fence>& acquireFence, const sp<GraphicBuffer>& target, |
| ui::Dataspace dataspace) { |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| |
| ALOGV("%s for display %s", __FUNCTION__, to_string(displayId).c_str()); |
| auto& hwcDisplay = mDisplayData[displayId].hwcDisplay; |
| auto error = hwcDisplay->setClientTarget(slot, target, acquireFence, dataspace); |
| RETURN_IF_HWC_ERROR(error, displayId, BAD_VALUE); |
| return NO_ERROR; |
| } |
| |
| status_t HWComposer::prepare(DisplayId displayId, const compositionengine::Output& output) { |
| ATRACE_CALL(); |
| |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| |
| auto& displayData = mDisplayData[displayId]; |
| auto& hwcDisplay = displayData.hwcDisplay; |
| if (!hwcDisplay->isConnected()) { |
| return NO_ERROR; |
| } |
| |
| uint32_t numTypes = 0; |
| uint32_t numRequests = 0; |
| |
| HWC2::Error error = HWC2::Error::None; |
| |
| // First try to skip validate altogether when there is no client |
| // composition. When there is client composition, since we haven't |
| // rendered to the client target yet, we should not attempt to skip |
| // validate. |
| // |
| // displayData.hasClientComposition hasn't been updated for this frame. |
| // The check below is incorrect. We actually rely on HWC here to fall |
| // back to validate when there is any client layer. |
| displayData.validateWasSkipped = false; |
| if (!displayData.hasClientComposition) { |
| sp<Fence> outPresentFence; |
| uint32_t state = UINT32_MAX; |
| error = hwcDisplay->presentOrValidate(&numTypes, &numRequests, &outPresentFence , &state); |
| if (error != HWC2::Error::HasChanges) { |
| RETURN_IF_HWC_ERROR_FOR("presentOrValidate", error, displayId, UNKNOWN_ERROR); |
| } |
| if (state == 1) { //Present Succeeded. |
| std::unordered_map<HWC2::Layer*, sp<Fence>> releaseFences; |
| error = hwcDisplay->getReleaseFences(&releaseFences); |
| displayData.releaseFences = std::move(releaseFences); |
| displayData.lastPresentFence = outPresentFence; |
| displayData.validateWasSkipped = true; |
| displayData.presentError = error; |
| return NO_ERROR; |
| } |
| // Present failed but Validate ran. |
| } else { |
| error = hwcDisplay->validate(&numTypes, &numRequests); |
| } |
| ALOGV("SkipValidate failed, Falling back to SLOW validate/present"); |
| if (error != HWC2::Error::HasChanges) { |
| RETURN_IF_HWC_ERROR_FOR("validate", error, displayId, BAD_INDEX); |
| } |
| |
| std::unordered_map<HWC2::Layer*, HWC2::Composition> changedTypes; |
| changedTypes.reserve(numTypes); |
| error = hwcDisplay->getChangedCompositionTypes(&changedTypes); |
| RETURN_IF_HWC_ERROR_FOR("getChangedCompositionTypes", error, displayId, BAD_INDEX); |
| |
| displayData.displayRequests = static_cast<HWC2::DisplayRequest>(0); |
| std::unordered_map<HWC2::Layer*, HWC2::LayerRequest> layerRequests; |
| layerRequests.reserve(numRequests); |
| error = hwcDisplay->getRequests(&displayData.displayRequests, |
| &layerRequests); |
| RETURN_IF_HWC_ERROR_FOR("getRequests", error, displayId, BAD_INDEX); |
| |
| displayData.hasClientComposition = false; |
| displayData.hasDeviceComposition = false; |
| for (auto& outputLayer : output.getOutputLayersOrderedByZ()) { |
| auto& state = outputLayer->editState(); |
| LOG_FATAL_IF(!state.hwc.); |
| auto hwcLayer = (*state.hwc).hwcLayer; |
| |
| if (auto it = changedTypes.find(hwcLayer.get()); it != changedTypes.end()) { |
| auto newCompositionType = it->second; |
| validateChange(static_cast<HWC2::Composition>((*state.hwc).hwcCompositionType), |
| newCompositionType); |
| (*state.hwc).hwcCompositionType = |
| static_cast<Hwc2::IComposerClient::Composition>(newCompositionType); |
| } |
| |
| switch ((*state.hwc).hwcCompositionType) { |
| case Hwc2::IComposerClient::Composition::CLIENT: |
| displayData.hasClientComposition = true; |
| break; |
| case Hwc2::IComposerClient::Composition::DEVICE: |
| case Hwc2::IComposerClient::Composition::SOLID_COLOR: |
| case Hwc2::IComposerClient::Composition::CURSOR: |
| case Hwc2::IComposerClient::Composition::SIDEBAND: |
| displayData.hasDeviceComposition = true; |
| break; |
| default: |
| break; |
| } |
| |
| state.clearClientTarget = false; |
| if (auto it = layerRequests.find(hwcLayer.get()); it != layerRequests.end()) { |
| auto request = it->second; |
| if (request == HWC2::LayerRequest::ClearClientTarget) { |
| state.clearClientTarget = true; |
| } else { |
| LOG_DISPLAY_ERROR(displayId, |
| ("Unknown layer request " + to_string(request)).c_str()); |
| } |
| } |
| } |
| |
| error = hwcDisplay->acceptChanges(); |
| RETURN_IF_HWC_ERROR_FOR("acceptChanges", error, displayId, BAD_INDEX); |
| |
| return NO_ERROR; |
| } |
| |
| bool HWComposer::hasDeviceComposition(const std::optional<DisplayId>& displayId) const { |
| if (!displayId) { |
| // Displays without a corresponding HWC display are never composed by |
| // the device |
| return false; |
| } |
| |
| RETURN_IF_INVALID_DISPLAY(*displayId, false); |
| return mDisplayData.at(*displayId).hasDeviceComposition; |
| } |
| |
| bool HWComposer::hasFlipClientTargetRequest(const std::optional<DisplayId>& displayId) const { |
| if (!displayId) { |
| // Displays without a corresponding HWC display are never composed by |
| // the device |
| return false; |
| } |
| |
| RETURN_IF_INVALID_DISPLAY(*displayId, false); |
| return ((static_cast<uint32_t>(mDisplayData.at(*displayId).displayRequests) & |
| static_cast<uint32_t>(HWC2::DisplayRequest::FlipClientTarget)) != 0); |
| } |
| |
| bool HWComposer::hasClientComposition(const std::optional<DisplayId>& displayId) const { |
| if (!displayId) { |
| // Displays without a corresponding HWC display are always composed by |
| // the client |
| return true; |
| } |
| |
| RETURN_IF_INVALID_DISPLAY(*displayId, true); |
| return mDisplayData.at(*displayId).hasClientComposition; |
| } |
| |
| sp<Fence> HWComposer::getPresentFence(DisplayId displayId) const { |
| RETURN_IF_INVALID_DISPLAY(displayId, Fence::NO_FENCE); |
| return mDisplayData.at(displayId).lastPresentFence; |
| } |
| |
| sp<Fence> HWComposer::getLayerReleaseFence(DisplayId displayId, HWC2::Layer* layer) const { |
| RETURN_IF_INVALID_DISPLAY(displayId, Fence::NO_FENCE); |
| auto displayFences = mDisplayData.at(displayId).releaseFences; |
| if (displayFences.count(layer) == 0) { |
| ALOGV("getLayerReleaseFence: Release fence not found"); |
| return Fence::NO_FENCE; |
| } |
| return displayFences[layer]; |
| } |
| |
| status_t HWComposer::presentAndGetReleaseFences(DisplayId displayId) { |
| ATRACE_CALL(); |
| |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| |
| auto& displayData = mDisplayData[displayId]; |
| auto& hwcDisplay = displayData.hwcDisplay; |
| |
| if (displayData.validateWasSkipped) { |
| // explicitly flush all pending commands |
| auto error = mHwcDevice->flushCommands(); |
| RETURN_IF_HWC_ERROR_FOR("flushCommands", error, displayId, UNKNOWN_ERROR); |
| RETURN_IF_HWC_ERROR_FOR("present", displayData.presentError, displayId, UNKNOWN_ERROR); |
| return NO_ERROR; |
| } |
| |
| auto error = hwcDisplay->present(&displayData.lastPresentFence); |
| RETURN_IF_HWC_ERROR_FOR("present", error, displayId, UNKNOWN_ERROR); |
| |
| std::unordered_map<HWC2::Layer*, sp<Fence>> releaseFences; |
| error = hwcDisplay->getReleaseFences(&releaseFences); |
| RETURN_IF_HWC_ERROR_FOR("getReleaseFences", error, displayId, UNKNOWN_ERROR); |
| |
| displayData.releaseFences = std::move(releaseFences); |
| |
| return NO_ERROR; |
| } |
| |
| status_t HWComposer::setPowerMode(DisplayId displayId, int32_t intMode) { |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| |
| const auto& displayData = mDisplayData[displayId]; |
| if (displayData.isVirtual) { |
| LOG_DISPLAY_ERROR(displayId, "Invalid operation on virtual display"); |
| return INVALID_OPERATION; |
| } |
| |
| auto mode = static_cast<HWC2::PowerMode>(intMode); |
| if (mode == HWC2::PowerMode::Off) { |
| setVsyncEnabled(displayId, HWC2::Vsync::Disable); |
| } |
| |
| auto& hwcDisplay = displayData.hwcDisplay; |
| switch (mode) { |
| case HWC2::PowerMode::Off: |
| case HWC2::PowerMode::On: |
| ALOGV("setPowerMode: Calling HWC %s", to_string(mode).c_str()); |
| { |
| auto error = hwcDisplay->setPowerMode(mode); |
| if (error != HWC2::Error::None) { |
| LOG_HWC_ERROR(("setPowerMode(" + to_string(mode) + ")").c_str(), |
| error, displayId); |
| } |
| } |
| break; |
| case HWC2::PowerMode::Doze: |
| case HWC2::PowerMode::DozeSuspend: |
| ALOGV("setPowerMode: Calling HWC %s", to_string(mode).c_str()); |
| { |
| bool supportsDoze = false; |
| auto error = hwcDisplay->supportsDoze(&supportsDoze); |
| if (error != HWC2::Error::None) { |
| LOG_HWC_ERROR("supportsDoze", error, displayId); |
| } |
| |
| if (!supportsDoze) { |
| mode = HWC2::PowerMode::On; |
| } |
| |
| error = hwcDisplay->setPowerMode(mode); |
| if (error != HWC2::Error::None) { |
| LOG_HWC_ERROR(("setPowerMode(" + to_string(mode) + ")").c_str(), |
| error, displayId); |
| } |
| } |
| break; |
| default: |
| ALOGV("setPowerMode: Not calling HWC"); |
| break; |
| } |
| |
| return NO_ERROR; |
| } |
| |
| status_t HWComposer::setActiveConfig(DisplayId displayId, size_t configId) { |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| |
| auto& displayData = mDisplayData[displayId]; |
| if (displayData.configMap.count(configId) == 0) { |
| LOG_DISPLAY_ERROR(displayId, ("Invalid config " + std::to_string(configId)).c_str()); |
| return BAD_INDEX; |
| } |
| |
| auto error = displayData.hwcDisplay->setActiveConfig(displayData.configMap[configId]); |
| RETURN_IF_HWC_ERROR(error, displayId, UNKNOWN_ERROR); |
| return NO_ERROR; |
| } |
| |
| status_t HWComposer::setColorTransform(DisplayId displayId, const mat4& transform) { |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| |
| auto& displayData = mDisplayData[displayId]; |
| bool isIdentity = transform == mat4(); |
| auto error = displayData.hwcDisplay->setColorTransform(transform, |
| isIdentity ? HAL_COLOR_TRANSFORM_IDENTITY : |
| HAL_COLOR_TRANSFORM_ARBITRARY_MATRIX); |
| RETURN_IF_HWC_ERROR(error, displayId, UNKNOWN_ERROR); |
| return NO_ERROR; |
| } |
| |
| void HWComposer::disconnectDisplay(DisplayId displayId) { |
| RETURN_IF_INVALID_DISPLAY(displayId); |
| auto& displayData = mDisplayData[displayId]; |
| |
| // If this was a virtual display, add its slot back for reuse by future |
| // virtual displays |
| if (displayData.isVirtual) { |
| mFreeVirtualDisplayIds.insert(displayId); |
| ++mRemainingHwcVirtualDisplays; |
| } |
| |
| const auto hwcDisplayId = displayData.hwcDisplay->getId(); |
| mPhysicalDisplayIdMap.erase(hwcDisplayId); |
| mDisplayData.erase(displayId); |
| |
| // TODO(b/74619554): Select internal/external display from remaining displays. |
| if (hwcDisplayId == mInternalHwcDisplayId) { |
| mInternalHwcDisplayId.reset(); |
| } else if (hwcDisplayId == mExternalHwcDisplayId) { |
| mExternalHwcDisplayId.reset(); |
| } |
| |
| mHwcDevice->destroyDisplay(hwcDisplayId); |
| } |
| |
| status_t HWComposer::setOutputBuffer(DisplayId displayId, const sp<Fence>& acquireFence, |
| const sp<GraphicBuffer>& buffer) { |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| const auto& displayData = mDisplayData[displayId]; |
| |
| if (!displayData.isVirtual) { |
| LOG_DISPLAY_ERROR(displayId, "Invalid operation on physical display"); |
| return INVALID_OPERATION; |
| } |
| |
| auto error = displayData.hwcDisplay->setOutputBuffer(buffer, acquireFence); |
| RETURN_IF_HWC_ERROR(error, displayId, UNKNOWN_ERROR); |
| return NO_ERROR; |
| } |
| |
| void HWComposer::clearReleaseFences(DisplayId displayId) { |
| RETURN_IF_INVALID_DISPLAY(displayId); |
| mDisplayData[displayId].releaseFences.clear(); |
| } |
| |
| status_t HWComposer::getHdrCapabilities(DisplayId displayId, HdrCapabilities* outCapabilities) { |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| |
| auto& hwcDisplay = mDisplayData[displayId].hwcDisplay; |
| auto error = hwcDisplay->getHdrCapabilities(outCapabilities); |
| RETURN_IF_HWC_ERROR(error, displayId, UNKNOWN_ERROR); |
| return NO_ERROR; |
| } |
| |
| int32_t HWComposer::getSupportedPerFrameMetadata(DisplayId displayId) const { |
| RETURN_IF_INVALID_DISPLAY(displayId, 0); |
| return mDisplayData.at(displayId).hwcDisplay->getSupportedPerFrameMetadata(); |
| } |
| |
| std::vector<ui::RenderIntent> HWComposer::getRenderIntents(DisplayId displayId, |
| ui::ColorMode colorMode) const { |
| RETURN_IF_INVALID_DISPLAY(displayId, {}); |
| |
| std::vector<ui::RenderIntent> renderIntents; |
| auto error = mDisplayData.at(displayId).hwcDisplay->getRenderIntents(colorMode, &renderIntents); |
| RETURN_IF_HWC_ERROR(error, displayId, {}); |
| return renderIntents; |
| } |
| |
| mat4 HWComposer::getDataspaceSaturationMatrix(DisplayId displayId, ui::Dataspace dataspace) { |
| RETURN_IF_INVALID_DISPLAY(displayId, {}); |
| |
| mat4 matrix; |
| auto error = mDisplayData[displayId].hwcDisplay->getDataspaceSaturationMatrix(dataspace, |
| &matrix); |
| RETURN_IF_HWC_ERROR(error, displayId, {}); |
| return matrix; |
| } |
| |
| status_t HWComposer::getDisplayedContentSamplingAttributes(DisplayId displayId, |
| ui::PixelFormat* outFormat, |
| ui::Dataspace* outDataspace, |
| uint8_t* outComponentMask) { |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| const auto error = |
| mDisplayData[displayId] |
| .hwcDisplay->getDisplayedContentSamplingAttributes(outFormat, outDataspace, |
| outComponentMask); |
| if (error == HWC2::Error::Unsupported) RETURN_IF_HWC_ERROR(error, displayId, INVALID_OPERATION); |
| RETURN_IF_HWC_ERROR(error, displayId, UNKNOWN_ERROR); |
| return NO_ERROR; |
| } |
| |
| status_t HWComposer::setDisplayContentSamplingEnabled(DisplayId displayId, bool enabled, |
| uint8_t componentMask, uint64_t maxFrames) { |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| const auto error = |
| mDisplayData[displayId].hwcDisplay->setDisplayContentSamplingEnabled(enabled, |
| componentMask, |
| maxFrames); |
| |
| if (error == HWC2::Error::Unsupported) RETURN_IF_HWC_ERROR(error, displayId, INVALID_OPERATION); |
| if (error == HWC2::Error::BadParameter) RETURN_IF_HWC_ERROR(error, displayId, BAD_VALUE); |
| RETURN_IF_HWC_ERROR(error, displayId, UNKNOWN_ERROR); |
| return NO_ERROR; |
| } |
| |
| status_t HWComposer::getDisplayedContentSample(DisplayId displayId, uint64_t maxFrames, |
| uint64_t timestamp, DisplayedFrameStats* outStats) { |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| const auto error = |
| mDisplayData[displayId].hwcDisplay->getDisplayedContentSample(maxFrames, timestamp, |
| outStats); |
| RETURN_IF_HWC_ERROR(error, displayId, UNKNOWN_ERROR); |
| return NO_ERROR; |
| } |
| |
| status_t HWComposer::setDisplayBrightness(DisplayId displayId, float brightness) { |
| RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX); |
| const auto error = mDisplayData[displayId].hwcDisplay->setDisplayBrightness(brightness); |
| if (error == HWC2::Error::Unsupported) { |
| RETURN_IF_HWC_ERROR(error, displayId, INVALID_OPERATION); |
| } |
| if (error == HWC2::Error::BadParameter) { |
| RETURN_IF_HWC_ERROR(error, displayId, BAD_VALUE); |
| } |
| RETURN_IF_HWC_ERROR(error, displayId, UNKNOWN_ERROR); |
| return NO_ERROR; |
| } |
| |
| bool HWComposer::isUsingVrComposer() const { |
| return getComposer()->isUsingVrComposer(); |
| } |
| |
| void HWComposer::dump(std::string& result) const { |
| // TODO: In order to provide a dump equivalent to HWC1, we need to shadow |
| // all the state going into the layers. This is probably better done in |
| // Layer itself, but it's going to take a bit of work to get there. |
| result.append(mHwcDevice->dump()); |
| } |
| |
| std::optional<DisplayId> HWComposer::toPhysicalDisplayId(hwc2_display_t hwcDisplayId) const { |
| if (const auto it = mPhysicalDisplayIdMap.find(hwcDisplayId); |
| it != mPhysicalDisplayIdMap.end()) { |
| return it->second; |
| } |
| return {}; |
| } |
| |
| std::optional<hwc2_display_t> HWComposer::fromPhysicalDisplayId(DisplayId displayId) const { |
| if (const auto it = mDisplayData.find(displayId); |
| it != mDisplayData.end() && !it->second.isVirtual) { |
| return it->second.hwcDisplay->getId(); |
| } |
| return {}; |
| } |
| |
| std::optional<DisplayIdentificationInfo> HWComposer::onHotplugConnect(hwc2_display_t hwcDisplayId) { |
| if (isUsingVrComposer() && mInternalHwcDisplayId) { |
| ALOGE("Ignoring connection of external display %" PRIu64 " in VR mode", hwcDisplayId); |
| return {}; |
| } |
| |
| uint8_t port; |
| DisplayIdentificationData data; |
| const bool hasMultiDisplaySupport = getDisplayIdentificationData(hwcDisplayId, &port, &data); |
| |
| if (mPhysicalDisplayIdMap.empty()) { |
| mHasMultiDisplaySupport = hasMultiDisplaySupport; |
| ALOGI("Switching to %s multi-display mode", |
| hasMultiDisplaySupport ? "generalized" : "legacy"); |
| } else if (mHasMultiDisplaySupport && !hasMultiDisplaySupport) { |
| ALOGE("Ignoring connection of display %" PRIu64 " without identification data", |
| hwcDisplayId); |
| return {}; |
| } |
| |
| std::optional<DisplayIdentificationInfo> info; |
| |
| if (mHasMultiDisplaySupport) { |
| info = parseDisplayIdentificationData(port, data); |
| ALOGE_IF(!info, "Failed to parse identification data for display %" PRIu64, hwcDisplayId); |
| } else if (mInternalHwcDisplayId && mExternalHwcDisplayId) { |
| ALOGE("Ignoring connection of tertiary display %" PRIu64, hwcDisplayId); |
| return {}; |
| } else { |
| ALOGW_IF(hasMultiDisplaySupport, "Ignoring identification data for display %" PRIu64, |
| hwcDisplayId); |
| port = mInternalHwcDisplayId ? HWC_DISPLAY_EXTERNAL : HWC_DISPLAY_PRIMARY; |
| } |
| |
| if (!mInternalHwcDisplayId) { |
| mInternalHwcDisplayId = hwcDisplayId; |
| } else if (!mExternalHwcDisplayId) { |
| mExternalHwcDisplayId = hwcDisplayId; |
| } |
| |
| if (info) return info; |
| |
| return DisplayIdentificationInfo{getFallbackDisplayId(port), |
| hwcDisplayId == mInternalHwcDisplayId ? "Internal display" |
| : "External display"}; |
| } |
| |
| } // namespace impl |
| } // namespace android |
