1 /*
2  * Copyright (C) 2018 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 RESOURCEMANAGER_H
18 #define RESOURCEMANAGER_H
19 
20 #include <string.h>
21 
22 #include "DrmDevice.h"
23 #include "DrmGenericImporter.h"
24 
25 namespace android {
26 
27 class ResourceManager {
28  public:
29   ResourceManager();
30   ResourceManager(const ResourceManager &) = delete;
31   ResourceManager &operator=(const ResourceManager &) = delete;
32   int Init();
33   DrmDevice *GetDrmDevice(int display);
34   std::shared_ptr<Importer> GetImporter(int display);
35   const gralloc_module_t *gralloc();
36   DrmConnector *AvailableWritebackConnector(int display);
getDrmDevices()37   const std::vector<std::unique_ptr<DrmDevice>> &getDrmDevices() const {
38     return drms_;
39   }
getDisplayCount()40   int getDisplayCount() const {
41     return num_displays_;
42   }
ForcedScalingWithGpu()43   bool ForcedScalingWithGpu() {
44     return scale_with_gpu_;
45   }
46 
47  private:
48   int AddDrmDevice(std::string path);
49   static bool IsKMSDev(const char *path);
50 
51   int num_displays_;
52   std::vector<std::unique_ptr<DrmDevice>> drms_;
53   std::vector<std::shared_ptr<Importer>> importers_;
54   const gralloc_module_t *gralloc_;
55 
56   bool scale_with_gpu_;
57 };
58 }  // namespace android
59 
60 #endif  // RESOURCEMANAGER_H
61