| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_DRM_DISPLAY_COMPOSITOR_H_ |
| #define ANDROID_DRM_DISPLAY_COMPOSITOR_H_ |
| |
| #include <hardware/hardware.h> |
| #include <hardware/hwcomposer.h> |
| #include <pthread.h> |
| |
| #include <functional> |
| #include <memory> |
| #include <sstream> |
| #include <tuple> |
| |
| #include "DrmDisplayComposition.h" |
| #include "Planner.h" |
| #include "drm/ResourceManager.h" |
| #include "drm/VSyncWorker.h" |
| #include "drmhwcomposer.h" |
| |
| namespace android { |
| |
| class DrmDisplayCompositor { |
| public: |
| DrmDisplayCompositor(); |
| ~DrmDisplayCompositor(); |
| |
| auto Init(ResourceManager *resource_manager, int display) -> int; |
| |
| std::unique_ptr<DrmDisplayComposition> CreateInitializedComposition() const; |
| int ApplyComposition(std::unique_ptr<DrmDisplayComposition> composition); |
| int TestComposition(DrmDisplayComposition *composition); |
| int Composite(); |
| void ClearDisplay(); |
| UniqueFd TakeOutFence() { |
| if (!active_composition_) { |
| return UniqueFd(); |
| } |
| return std::move(active_composition_->out_fence_); |
| } |
| |
| std::tuple<uint32_t, uint32_t, int> GetActiveModeResolution(); |
| |
| private: |
| struct ModeState { |
| DrmMode mode; |
| DrmModeUserPropertyBlobUnique blob; |
| DrmModeUserPropertyBlobUnique old_blob; |
| }; |
| |
| DrmDisplayCompositor(const DrmDisplayCompositor &) = delete; |
| |
| int CommitFrame(DrmDisplayComposition *display_comp, bool test_only); |
| int ApplyDpms(DrmDisplayComposition *display_comp); |
| int DisablePlanes(DrmDisplayComposition *display_comp); |
| |
| void ApplyFrame(std::unique_ptr<DrmDisplayComposition> composition, |
| int status); |
| |
| auto CreateModeBlob(const DrmMode &mode) -> DrmModeUserPropertyBlobUnique; |
| |
| ResourceManager *resource_manager_; |
| int display_; |
| |
| std::unique_ptr<DrmDisplayComposition> active_composition_; |
| |
| bool initialized_; |
| bool active_; |
| bool use_hw_overlays_; |
| |
| ModeState mode_; |
| |
| std::unique_ptr<Planner> planner_; |
| }; |
| } // namespace android |
| |
| #endif // ANDROID_DRM_DISPLAY_COMPOSITOR_H_ |