| /* |
| * 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 "GraphicBufferMapper" |
| |
| #include <stdint.h> |
| #include <errno.h> |
| |
| #include <utils/Errors.h> |
| #include <utils/Log.h> |
| |
| #include <ui/GraphicBufferMapper.h> |
| #include <ui/Rect.h> |
| |
| #include <hardware/gralloc.h> |
| |
| |
| namespace android { |
| // --------------------------------------------------------------------------- |
| |
| ANDROID_SINGLETON_STATIC_INSTANCE( GraphicBufferMapper ) |
| |
| GraphicBufferMapper::GraphicBufferMapper() |
| : mAllocMod(0) |
| { |
| hw_module_t const* module; |
| int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module); |
| ALOGE_IF(err, "FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID); |
| if (err == 0) { |
| mAllocMod = (gralloc_module_t const *)module; |
| } |
| } |
| |
| status_t GraphicBufferMapper::registerBuffer(buffer_handle_t handle) |
| { |
| status_t err; |
| |
| err = mAllocMod->registerBuffer(mAllocMod, handle); |
| |
| ALOGW_IF(err, "registerBuffer(%p) failed %d (%s)", |
| handle, err, strerror(-err)); |
| return err; |
| } |
| |
| status_t GraphicBufferMapper::unregisterBuffer(buffer_handle_t handle) |
| { |
| status_t err; |
| |
| err = mAllocMod->unregisterBuffer(mAllocMod, handle); |
| |
| ALOGW_IF(err, "unregisterBuffer(%p) failed %d (%s)", |
| handle, err, strerror(-err)); |
| return err; |
| } |
| |
| status_t GraphicBufferMapper::lock(buffer_handle_t handle, |
| int usage, const Rect& bounds, void** vaddr) |
| { |
| status_t err; |
| |
| err = mAllocMod->lock(mAllocMod, handle, usage, |
| bounds.left, bounds.top, bounds.width(), bounds.height(), |
| vaddr); |
| |
| ALOGW_IF(err, "lock(...) failed %d (%s)", err, strerror(-err)); |
| return err; |
| } |
| |
| status_t GraphicBufferMapper::unlock(buffer_handle_t handle) |
| { |
| status_t err; |
| |
| err = mAllocMod->unlock(mAllocMod, handle); |
| |
| ALOGW_IF(err, "unlock(...) failed %d (%s)", err, strerror(-err)); |
| return err; |
| } |
| |
| // --------------------------------------------------------------------------- |
| }; // namespace android |