1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef GRALLOC_ANDROID 16 #define GRALLOC_ANDROID 17 18 #include <hardware/gralloc.h> 19 #include <hardware/gralloc1.h> 20 21 #ifdef HAVE_GRALLOC3 22 # include <android/hardware/graphics/mapper/3.0/IMapper.h> 23 # include <utils/StrongPointer.h> 24 #endif 25 #ifdef HAVE_GRALLOC4 26 # include <android/hardware/graphics/mapper/4.0/IMapper.h> 27 # include <utils/StrongPointer.h> 28 #endif 29 30 #include <unistd.h> // for close() 31 32 class GrallocModule 33 { 34 public: 35 static GrallocModule *getInstance(); 36 37 int import(buffer_handle_t handle, buffer_handle_t *imported_handle); 38 int release(buffer_handle_t handle); 39 40 int lock(buffer_handle_t handle, int usage, int left, int top, int width, int height, void **vaddr); 41 int unlock(buffer_handle_t handle); 42 43 private: 44 GrallocModule(); 45 uint8_t m_major_version; 46 const gralloc_module_t *m_module; 47 #ifdef HAVE_GRALLOC1 48 gralloc1_device_t *m_gralloc1_device = nullptr; 49 GRALLOC1_PFN_LOCK m_gralloc1_lock = nullptr; 50 GRALLOC1_PFN_UNLOCK m_gralloc1_unlock = nullptr; 51 #endif 52 #ifdef HAVE_GRALLOC3 53 android::sp<android::hardware::graphics::mapper::V3_0::IMapper> m_gralloc3_mapper; 54 #endif 55 #ifdef HAVE_GRALLOC4 56 android::sp<android::hardware::graphics::mapper::V4_0::IMapper> m_gralloc4_mapper; 57 #endif 58 }; 59 60 #endif // GRALLOC_ANDROID 61