| // |
| // Copyright (C) 2019 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #include <utility> |
| |
| #include <gui/bufferqueue/2.0/B2HGraphicBufferProducer.h> |
| |
| #include "AutomotiveDisplayProxyService.h" |
| |
| namespace android { |
| namespace frameworks { |
| namespace automotive { |
| namespace display { |
| namespace V1_0 { |
| namespace implementation { |
| |
| Return<sp<IGraphicBufferProducer>> |
| AutomotiveDisplayProxyService::getIGraphicBufferProducer() { |
| if (mSurface == nullptr) { |
| status_t err; |
| mSurfaceComposerClient = new SurfaceComposerClient(); |
| |
| err = mSurfaceComposerClient->initCheck(); |
| if (err != NO_ERROR) { |
| ALOGE("SurfaceComposerClient::initCheck error: %#x", err); |
| mSurfaceComposerClient = nullptr; |
| return nullptr; |
| } |
| |
| const auto displayToken = SurfaceComposerClient::getInternalDisplayToken(); |
| if (displayToken == nullptr) { |
| ALOGE("Failed to get internal display "); |
| return nullptr; |
| } |
| |
| err = SurfaceComposerClient::getActiveDisplayConfig(displayToken, &mDpyConfig); |
| if (err != NO_ERROR) { |
| ALOGE("Failed to get active display config"); |
| return nullptr; |
| } |
| |
| err = SurfaceComposerClient::getDisplayState(displayToken, &mDpyState); |
| if (err != NO_ERROR) { |
| ALOGE("Failed to get display state"); |
| return nullptr; |
| } |
| |
| const ui::Size& resolution = mDpyConfig.resolution; |
| auto width = resolution.getWidth(); |
| auto height = resolution.getHeight(); |
| |
| if (mDpyState.orientation == ui::ROTATION_90 || |
| mDpyState.orientation == ui::ROTATION_270) { |
| std::swap(width, height); |
| } |
| |
| mSurfaceControl = mSurfaceComposerClient->createSurface( |
| String8("Automotive Display"), width, height, |
| PIXEL_FORMAT_RGBX_8888, ISurfaceComposerClient::eOpaque); |
| if (mSurfaceControl == nullptr || !mSurfaceControl->isValid()) { |
| ALOGE("Failed to create SurfaceControl"); |
| mSurfaceComposerClient = nullptr; |
| mSurfaceControl = nullptr; |
| return nullptr; |
| } |
| |
| // SurfaceControl::getSurface is guaranteed to be not null. |
| mSurface = mSurfaceControl->getSurface(); |
| } |
| |
| return new ::android::hardware::graphics::bufferqueue::V2_0::utils:: |
| B2HGraphicBufferProducer( |
| mSurface->getIGraphicBufferProducer()); |
| } |
| |
| Return<bool> AutomotiveDisplayProxyService::showWindow() { |
| status_t status = NO_ERROR; |
| |
| if (mSurfaceControl != nullptr) { |
| status = SurfaceComposerClient::Transaction{} |
| .setLayer( |
| mSurfaceControl, 0x7FFFFFFF) // always on top |
| .show(mSurfaceControl) |
| .apply(); |
| } else { |
| ALOGE("showWindow: Failed to get a valid SurfaceControl!"); |
| return false; |
| } |
| |
| return status == NO_ERROR; |
| } |
| |
| Return<bool> AutomotiveDisplayProxyService::hideWindow() { |
| status_t status = NO_ERROR; |
| |
| if (mSurfaceControl != nullptr) { |
| status = SurfaceComposerClient::Transaction{} |
| .hide(mSurfaceControl) |
| .apply(); |
| } else { |
| ALOGE("hideWindow: Failed to get a valid SurfaceControl!"); |
| return false; |
| } |
| |
| return status == NO_ERROR; |
| } |
| |
| } // namespace implementation |
| } // namespace V1_0 |
| } // namespace display |
| } // namespace automotive |
| } // namespace frameworks |
| } // namespace android |
| |