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 20 #ifdef HAVE_GRALLOC1 21 #include <hardware/gralloc1.h> 22 #endif 23 24 #include <unistd.h> // for close() 25 26 class GrallocModule 27 { 28 public: 29 static GrallocModule *getInstance(); 30 int lock(buffer_handle_t handle, int usage, int left, int top, int width, int height, void **vaddr); 31 int unlock(buffer_handle_t handle); 32 33 private: 34 GrallocModule(); 35 uint8_t m_major_version; 36 const gralloc_module_t *m_module; 37 #ifdef HAVE_GRALLOC1 38 gralloc1_device_t *m_gralloc1_device = nullptr; 39 GRALLOC1_PFN_LOCK m_gralloc1_lock = nullptr; 40 GRALLOC1_PFN_UNLOCK m_gralloc1_unlock = nullptr; 41 #endif 42 }; 43 44 #endif // GRALLOC_ANDROID 45
