/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #define LOG_TAG "BufferMapper" #include <stdint.h> #include <errno.h> #include <utils/Errors.h> #include <utils/Log.h> #include <ui/BufferMapper.h> #include <ui/Rect.h> #include <hardware/gralloc.h> namespace android { // --------------------------------------------------------------------------- ANDROID_SINGLETON_STATIC_INSTANCE( BufferMapper ) BufferMapper::BufferMapper() : mAllocMod(0) { hw_module_t const* module; int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module); LOGE_IF(err, "FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID); if (err == 0) { mAllocMod = (gralloc_module_t const *)module; } } status_t BufferMapper::registerBuffer(buffer_handle_t handle) { status_t err = mAllocMod->registerBuffer(mAllocMod, handle); LOGW_IF(err, "registerBuffer(%p) failed %d (%s)", handle, err, strerror(-err)); return err; } status_t BufferMapper::unregisterBuffer(buffer_handle_t handle) { status_t err = mAllocMod->unregisterBuffer(mAllocMod, handle); LOGW_IF(err, "unregisterBuffer(%p) failed %d (%s)", handle, err, strerror(-err)); return err; } status_t BufferMapper::lock(buffer_handle_t handle, int usage, const Rect& bounds, void** vaddr) { status_t err = mAllocMod->lock(mAllocMod, handle, usage, bounds.left, bounds.top, bounds.width(), bounds.height(), vaddr); LOGW_IF(err, "lock(...) failed %d (%s)", err, strerror(-err)); return err; } status_t BufferMapper::unlock(buffer_handle_t handle) { status_t err = mAllocMod->unlock(mAllocMod, handle); LOGW_IF(err, "unlock(...) failed %d (%s)", err, strerror(-err)); return err; } // --------------------------------------------------------------------------- }; // namespace android