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_NV_IMPORTER_H_
18#define ANDROID_NV_IMPORTER_H_
19
20#include "drmresources.h"
21#include "importer.h"
22
23#include <stdatomic.h>
24
25#include <hardware/gralloc.h>
26
27namespace android {
28
29class NvImporter : public Importer {
30 public:
31  NvImporter(DrmResources *drm);
32  ~NvImporter() override;
33
34  int Init();
35
36  int ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo) override;
37  int ReleaseBuffer(hwc_drm_bo_t *bo) override;
38
39 private:
40  typedef struct NvBuffer {
41    NvImporter *importer;
42    hwc_drm_bo_t bo;
43    atomic_int ref;
44  } NvBuffer_t;
45
46  static void NvGrallocRelease(void *nv_buffer);
47  void ReleaseBufferImpl(hwc_drm_bo_t *bo);
48
49  NvBuffer_t *GrallocGetNvBuffer(buffer_handle_t handle);
50  int GrallocSetNvBuffer(buffer_handle_t handle, NvBuffer_t *buf);
51
52  DrmResources *drm_;
53
54  const gralloc_module_t *gralloc_;
55};
56}
57
58#endif
59