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 #include "GrallocAndroid.hpp" 16 17 #include <cutils/log.h> 18 19 GrallocModule *GrallocModule::getInstance() 20 { 21 static GrallocModule instance; 22 return &instance; 23 } 24 25 GrallocModule::GrallocModule() 26 { 27 const hw_module_t *module = nullptr; 28 hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module); 29 30 m_major_version = (module->module_api_version >> 8) & 0xff; 31 switch(m_major_version) 32 { 33 case 0: 34 m_module = reinterpret_cast<const gralloc_module_t*>(module); 35 break; 36 case 1: 37 #ifdef HAVE_GRALLOC1 38 gralloc1_open(module, &m_gralloc1_device); 39 m_gralloc1_lock = (GRALLOC1_PFN_LOCK) m_gralloc1_device->getFunction(m_gralloc1_device, GRALLOC1_FUNCTION_LOCK); 40 m_gralloc1_unlock = (GRALLOC1_PFN_UNLOCK)m_gralloc1_device->getFunction(m_gralloc1_device, GRALLOC1_FUNCTION_UNLOCK); 41 break; 42 #endif 43 default: 44 ALOGE("unknown gralloc major version (%d)", m_major_version); 45 break; 46 } 47 } 48
