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