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 27 namespace android { 28 29 class NvImporter : public Importer { 30 public: 31 NvImporter(DrmResources *drm); 32 virtual ~NvImporter(); 33 34 int Init(); 35 36 virtual int ImportBuffer(buffer_handle_t handle, hwc_drm_bo_t *bo); 37 virtual int ReleaseBuffer(hwc_drm_bo_t *bo); 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
