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 21 class 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
