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/****************************************************************************
**
** Copyright (C) 2016 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qsgvivantevideomaterialshader.h"
#include "qsgvivantevideonode.h"
#include "qsgvivantevideomaterial.h"
#include "private/qsgvideotexture_p.h"
QSGVivanteVideoMaterialShader::QSGVivanteVideoMaterialShader() :
mUScale(1),
mVScale(1),
mNewUVScale(true)
{
setShaderFileName(VertexStage, QStringLiteral(":/imx6/shaders/rgba.vert.qsb"));
setShaderFileName(FragmentStage, QStringLiteral(":/imx6/shaders/rgba.frag.qsb"));
}
bool QSGVivanteVideoMaterialShader::updateUniformData(RenderState &state, QSGMaterial *newMaterial,
QSGMaterial *oldMaterial)
{
Q_UNUSED(oldMaterial);
bool changed = false;
QByteArray *buf = state.uniformData();
if (state.isMatrixDirty()) {
memcpy(buf->data(), state.combinedMatrix().constData(), 64);
changed = true;
}
if (state.isOpacityDirty()) {
auto m = static_cast<QSGVivanteVideoMaterial *>(newMaterial);
m->mOpacity = state.opacity();
memcpy(buf->data() + 64, &m->mOpacity, 4);
changed = true;
}
if (mNewUVScale) {
memcpy(buf->data() + 64 + 4, &mUScale, 4);
memcpy(buf->data() + 64 + 4 + 4, &mVScale, 4);
changed = true;
mNewUVScale = false;
}
return changed;
}
void QSGVivanteVideoMaterialShader::updateSampledImage(RenderState &state, int binding, QSGTexture **texture,
QSGMaterial *newMaterial, QSGMaterial *oldMaterial)
{
Q_UNUSED(oldMaterial);
if (binding < 1)
return;
auto m = static_cast<QSGVivanteVideoMaterial *>(newMaterial);
if (!m->mTexture)
m->mTexture.reset(new QSGVideoTexture);
m->bind();
m->mTexture->setNativeObject(m->mCurrentTexture, m->mCurrentFrame.size());
m->mTexture->commitTextureOperations(state.rhi(), state.resourceUpdateBatch());
*texture = m->mTexture.data();
}
void QSGVivanteVideoMaterialShader::setUVScale(float uScale, float vScale)
{
mUScale = uScale;
mVScale = vScale;
mNewUVScale = true;
}
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