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/*
* Copyright (C) 2024 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "DMABufBuffer.h"
#if USE(GBM)
#include "CoordinatedPlatformLayerBuffer.h"
#include <atomic>
namespace WebCore {
static uint64_t generateID()
{
static std::atomic<uint64_t> id;
return ++id;
}
DMABufBuffer::DMABufBuffer(const IntSize& size, uint32_t fourcc, Vector<WTF::UnixFileDescriptor>&& fds, Vector<uint32_t>&& offsets, Vector<uint32_t>&& strides, uint64_t modifier)
: m_id(generateID())
, m_attributes({ size, fourcc, WTFMove(fds), WTFMove(offsets), WTFMove(strides), modifier })
{
}
DMABufBuffer::DMABufBuffer(uint64_t id, Attributes&& attributes)
: m_id(id)
, m_attributes(WTFMove(attributes))
{
}
DMABufBuffer::~DMABufBuffer() = default;
void DMABufBuffer::setBuffer(std::unique_ptr<CoordinatedPlatformLayerBuffer>&& buffer)
{
m_buffer = WTFMove(buffer);
}
std::optional<DMABufBuffer::Attributes> DMABufBuffer::takeAttributes()
{
if (m_attributes.fds.isEmpty())
return std::nullopt;
return DMABufBuffer::Attributes { WTFMove(m_attributes.size), std::exchange(m_attributes.fourcc, 0), WTFMove(m_attributes.fds), WTFMove(m_attributes.offsets), WTFMove(m_attributes.strides), std::exchange(m_attributes.modifier, 0) };
}
} // namespace WebCore
#endif // USE(GBM)
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