1/*
2 * Copyright (C) 2017 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#ifndef GUEST_HALS_CAMERA_GRALLOCMODULE_H_
17#define GUEST_HALS_CAMERA_GRALLOCMODULE_H_
18
19#include <hardware/gralloc.h>
20
21class GrallocModule {
22 public:
23  static GrallocModule &getInstance() {
24    static GrallocModule instance;
25    return instance;
26  }
27
28  int lock(buffer_handle_t handle, int usage, int l, int t, int w, int h,
29           void **vaddr) {
30    return mModule->lock(mModule, handle, usage, l, t, w, h, vaddr);
31  }
32
33#ifdef GRALLOC_MODULE_API_VERSION_0_2
34  int lock_ycbcr(buffer_handle_t handle, int usage, int l, int t, int w, int h,
35                 struct android_ycbcr *ycbcr) {
36    return mModule->lock_ycbcr(mModule, handle, usage, l, t, w, h, ycbcr);
37  }
38#endif
39
40  int unlock(buffer_handle_t handle) {
41    return mModule->unlock(mModule, handle);
42  }
43
44 private:
45  GrallocModule() {
46    const hw_module_t *module = NULL;
47    int ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
48    if (ret) {
49      ALOGE("%s: Failed to get gralloc module: %d", __FUNCTION__, ret);
50    }
51    mModule = reinterpret_cast<const gralloc_module_t *>(module);
52  }
53  const gralloc_module_t *mModule;
54};
55
56#endif  // GUEST_HALS_CAMERA_GRALLOCMODULE_H_
57