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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Shader Tools module
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qspirvshaderremap_p.h"
#include <SPIRV/SPVRemapper.h>
QT_BEGIN_NAMESPACE
void QSpirvShaderRemapper::remapErrorHandler(const std::string &s)
{
if (!remapErrorMsg.isEmpty())
remapErrorMsg.append(QLatin1Char('\n'));
remapErrorMsg.append(QString::fromStdString(s));
}
void QSpirvShaderRemapper::remapLogHandler(const std::string &)
{
}
QByteArray QSpirvShaderRemapper::remap(const QByteArray &ir, QSpirvShader::RemapFlags flags)
{
if (ir.isEmpty())
return QByteArray();
remapErrorMsg.clear();
spv::spirvbin_t b;
b.registerErrorHandler(std::bind(&QSpirvShaderRemapper::remapErrorHandler, this, std::placeholders::_1));
b.registerLogHandler(std::bind(&QSpirvShaderRemapper::remapLogHandler, this, std::placeholders::_1));
const uint32_t opts = flags.testFlag(QSpirvShader::StripOnly) ? spv::spirvbin_t::STRIP
: spv::spirvbin_t::DO_EVERYTHING;
std::vector<uint32_t> v;
v.resize(ir.size() / 4);
memcpy(v.data(), ir.constData(), v.size() * 4);
b.remap(v, opts);
if (!remapErrorMsg.isEmpty())
return QByteArray();
return QByteArray(reinterpret_cast<const char *>(v.data()), int(v.size()) * 4);
}
QT_END_NAMESPACE
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