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_IMPORTER_H_
18 #define ANDROID_DRM_IMPORTER_H_
19 
20 #include "drm_hwcomposer.h"
21 
22 #include <hardware/hardware.h>
23 #include <hardware/hwcomposer.h>
24 
25 namespace android {
26 
27 class DrmResources;
28 
29 class Importer {
30  public:
~Importer()31   virtual ~Importer() {
32   }
33 
34   // Creates a platform-specific importer instance
35   static Importer *CreateInstance(DrmResources *drm);
36 
37   // Imports the buffer referred to by handle into bo.
38   //
39   // Note: This can be called from a different thread than ReleaseBuffer. The
40   //       implementation is responsible for ensuring thread safety.
41   virtual int ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) = 0;
42 
43   // Releases the buffer object (ie: does the inverse of ImportBuffer)
44   //
45   // Note: This can be called from a different thread than ImportBuffer. The
46   //       implementation is responsible for ensuring thread safety.
47   virtual int ReleaseBuffer(hwc_drm_bo_t *bo) = 0;
48 };
49 }
50 
51 #endif
52