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/*
* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
* Not a Contribution.
*
* Copyright 2015 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.
*/
#include "EGLImageWrapper.h"
#include <cutils/native_handle.h>
#include <gralloc_priv.h>
#include <ui/GraphicBuffer.h>
//-----------------------------------------------------------------------------
EGLImageBuffer *EGLImageWrapper::wrap(const void *pvt_handle)
//-----------------------------------------------------------------------------
{
const private_handle_t *src = static_cast<const private_handle_t *>(pvt_handle);
EGLImageBuffer *result = 0;
std::map<int, EGLImageBuffer *>::iterator it = eglImageBufferMap.find(src->fd);
if (it == eglImageBufferMap.end()) {
native_handle_t *native_handle = const_cast<private_handle_t *>(src);
int flags = android::GraphicBuffer::USAGE_HW_TEXTURE |
android::GraphicBuffer::USAGE_SW_READ_NEVER |
android::GraphicBuffer::USAGE_SW_WRITE_NEVER;
if (src->flags & private_handle_t::PRIV_FLAGS_SECURE_BUFFER) {
flags |= android::GraphicBuffer::USAGE_PROTECTED;
}
android::sp<android::GraphicBuffer> graphicBuffer =
new android::GraphicBuffer(src->width, src->height, src->format,
#ifndef __NOUGAT__
1, // Layer count
#endif
flags, src->width /*src->stride*/,
native_handle, false);
result = new EGLImageBuffer(graphicBuffer);
eglImageBufferMap[src->fd] = result;
} else {
result = it->second;
}
return result;
}
//-----------------------------------------------------------------------------
void EGLImageWrapper::destroy()
//-----------------------------------------------------------------------------
{
std::map<int, EGLImageBuffer *>::iterator it = eglImageBufferMap.begin();
for (; it != eglImageBufferMap.end(); it++) {
delete it->second;
}
eglImageBufferMap.clear();
}
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