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/****************************************************************************
**
** Copyright (C) 2008-2012 NVIDIA Corporation.
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Quick 3D.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include <QtQuick3DRuntimeRender/private/qssgrenderimage_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrenderbuffermanager_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrenderprefiltertexture_p.h>
#include <QtQuick/QSGTexture>
QT_BEGIN_NAMESPACE
QSSGRenderImage::QSSGRenderImage()
: QSSGRenderGraphObject(QSSGRenderGraphObject::Type::Image)
{
m_flags.setFlag(Flag::Active);
m_flags.setFlag(Flag::Dirty);
m_flags.setFlag(Flag::TransformDirty);
}
QSSGRenderImage::~QSSGRenderImage() = default;
bool QSSGRenderImage::clearDirty(const QSSGRef<QSSGBufferManager> &inBufferManager, bool forIbl)
{
bool wasDirty = m_flags.testFlag(Flag::Dirty);
m_flags.setFlag(Flag::Dirty, false);
if (wasDirty) {
QSSGRenderImageTextureData newImage;
if (m_qsgTexture)
newImage = inBufferManager->loadRenderImage(m_qsgTexture);
else
newImage = inBufferManager->loadRenderImage(m_imagePath, m_format, false, forIbl);
if (newImage.m_texture != m_textureData.m_texture)
m_textureData = newImage;
}
if (m_flags.testFlag(Flag::TransformDirty)) {
calculateTextureTransform();
return true;
}
return wasDirty;
}
void QSSGRenderImage::calculateTextureTransform()
{
m_flags.setFlag(Flag::TransformDirty, false);
if (m_flipV) {
m_textureTransform = QMatrix4x4(1.f, 0.f, 0.f, 0.f,
0.f, -1.f, 0.f, 1.f,
0.f, 0.f, 1.f, 0.f,
0.f, 0.f, 0.f, 1.f);
} else {
m_textureTransform = QMatrix4x4();
}
QMatrix4x4 pivot;
QMatrix4x4 pivot_r;
QMatrix4x4 translation;
QMatrix4x4 rotation;
QMatrix4x4 scale;
pivot.translate(m_pivot.x(), m_pivot.y());
pivot_r.translate(-m_pivot.x(), -m_pivot.y());
translation.translate(m_position.x(), m_position.y());
scale.scale(m_scale.x(), m_scale.y());
rotation.rotate(m_rotation, QVector3D(0, 0, 1));
m_textureTransform *= translation;
m_textureTransform *= pivot;
m_textureTransform *= rotation;
m_textureTransform *= scale;
m_textureTransform *= pivot_r;
}
bool QSSGRenderImage::isImageTransformIdentity() const
{
if (m_mappingMode != MappingModes::Normal)
return false;
return m_textureTransform.isIdentity();
}
QSSGRenderImageTextureData::QSSGRenderImageTextureData() = default;
QSSGRenderImageTextureData::~QSSGRenderImageTextureData() = default;
QT_END_NAMESPACE
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