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/*
* 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, "unlock(...) 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
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