1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_DRM_COMPOSITION_H_ 18 #define ANDROID_DRM_COMPOSITION_H_ 19 20 #include "compositor.h" 21 #include "drm_hwcomposer.h" 22 #include "drmdisplaycomposition.h" 23 #include "drmplane.h" 24 #include "importer.h" 25 26 #include <deque> 27 #include <map> 28 #include <vector> 29 30 #include <hardware/hardware.h> 31 #include <hardware/hwcomposer.h> 32 33 namespace android { 34 35 class DrmComposition : public Composition { 36 public: 37 DrmComposition(DrmResources *drm, Importer *importer); 38 ~DrmComposition(); 39 40 virtual int Init(); 41 42 virtual unsigned GetRemainingLayers(int display, unsigned num_needed) const; 43 virtual int AddLayer(int display, hwc_layer_1_t *layer, hwc_drm_bo_t *bo); 44 int AddDpmsMode(int display, uint32_t dpms_mode); 45 46 std::unique_ptr<DrmDisplayComposition> TakeDisplayComposition(int display); 47 48 private: 49 DrmComposition(const DrmComposition &) = delete; 50 51 DrmResources *drm_; 52 Importer *importer_; 53 54 std::vector<DrmPlane *> primary_planes_; 55 std::deque<DrmPlane *> overlay_planes_; 56 57 /* 58 * This _must_ be read-only after it's passed to QueueComposition. Otherwise 59 * locking is required to maintain consistency across the compositor threads. 60 */ 61 std::map<int, std::unique_ptr<DrmDisplayComposition>> composition_map_; 62 }; 63 64 } 65 66 #endif // ANDROID_DRM_COMPOSITION_H_ 67