2 * Copyright (C) 2015 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef ANDROID_DRM_COMPOSITION_H_
18 #define ANDROID_DRM_COMPOSITION_H_
20 #include "drm_hwcomposer.h"
21 #include "drmdisplaycomposition.h"
28 #include <hardware/hardware.h>
29 #include <hardware/hwcomposer.h>
33 class DrmDisplayCompositor;
35 struct DrmCompositionDisplayLayersMap {
37 bool geometry_changed = true;
38 std::vector<DrmHwcLayer> layers;
40 DrmCompositionDisplayLayersMap() = default;
41 DrmCompositionDisplayLayersMap(DrmCompositionDisplayLayersMap &&rhs) =
45 class DrmComposition {
47 DrmComposition(DrmResources *drm, Importer *importer);
49 int Init(uint64_t frame_no);
51 int SetLayers(size_t num_displays, DrmCompositionDisplayLayersMap *maps);
52 int SetDpmsMode(int display, uint32_t dpms_mode);
53 int SetDisplayMode(int display, const DrmMode &display_mode);
55 std::unique_ptr<DrmDisplayComposition> TakeDisplayComposition(int display);
56 DrmDisplayComposition *GetDisplayComposition(int display);
58 int Plan(std::map<int, DrmDisplayCompositor> &compositor_map);
59 int DisableUnusedPlanes();
62 DrmComposition(const DrmComposition &) = delete;
67 std::vector<DrmPlane *> primary_planes_;
68 std::vector<DrmPlane *> overlay_planes_;
71 * This _must_ be read-only after it's passed to QueueComposition. Otherwise
72 * locking is required to maintain consistency across the compositor threads.
74 std::map<int, std::unique_ptr<DrmDisplayComposition>> composition_map_;
78 #endif // ANDROID_DRM_COMPOSITION_H_