drmcomposition.h revision 2e46fbd90b1aae158ec0437f564dd610e7392f7a 
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
33namespace android {
34
35class 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  int DisableUnusedPlanes();
47
48  std::unique_ptr<DrmDisplayComposition> TakeDisplayComposition(int display);
49  DrmDisplayComposition *GetDisplayComposition(int display);
50
51 private:
52  DrmComposition(const DrmComposition &) = delete;
53
54  DrmResources *drm_;
55  Importer *importer_;
56
57  std::vector<DrmPlane *> primary_planes_;
58  std::vector<DrmPlane *> overlay_planes_;
59
60  /*
61   * This _must_ be read-only after it's passed to QueueComposition. Otherwise
62   * locking is required to maintain consistency across the compositor threads.
63   */
64  std::map<int, std::unique_ptr<DrmDisplayComposition>> composition_map_;
65};
66
67}
68
69#endif  // ANDROID_DRM_COMPOSITION_H_
70