/*
 * Copyright (c) 2017 - 2018, Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#include "runtime/command_stream/linear_stream.h"
#include "runtime/memory_manager/graphics_allocation.h"

namespace OCLRT {

LinearStream::LinearStream(void *buffer, size_t bufferSize)
    : sizeUsed(0), maxAvailableSpace(bufferSize), buffer(buffer), graphicsAllocation(nullptr) {
}

LinearStream::LinearStream(GraphicsAllocation *gfxAllocation)
    : sizeUsed(0), graphicsAllocation(gfxAllocation) {
    if (gfxAllocation) {
        maxAvailableSpace = gfxAllocation->getUnderlyingBufferSize();
        buffer = gfxAllocation->getUnderlyingBuffer();
    } else {
        maxAvailableSpace = 0;
        buffer = nullptr;
    }
}

LinearStream::LinearStream()
    : LinearStream(nullptr) {
}
} // namespace OCLRT