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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 "qsgopenvgtexture.h"
#include "qsgopenvghelpers.h"
QT_BEGIN_NAMESPACE
QSGOpenVGTexture::QSGOpenVGTexture(const QImage &image, uint flags)
{
Q_UNUSED(flags)
VGImageFormat format = QSGOpenVGHelpers::qImageFormatToVGImageFormat(image.format());
m_image = vgCreateImage(format, image.width(), image.height(), VG_IMAGE_QUALITY_BETTER);
// Do Texture Upload
vgImageSubData(m_image, image.constBits(), image.bytesPerLine(), format, 0, 0, image.width(), image.height());
}
QSGOpenVGTexture::~QSGOpenVGTexture()
{
vgDestroyImage(m_image);
}
int QSGOpenVGTexture::textureId() const
{
return static_cast<int>(m_image);
}
QSize QSGOpenVGTexture::textureSize() const
{
VGint imageWidth = vgGetParameteri(m_image, VG_IMAGE_WIDTH);
VGint imageHeight = vgGetParameteri(m_image, VG_IMAGE_HEIGHT);
return QSize(imageWidth, imageHeight);
}
bool QSGOpenVGTexture::hasAlphaChannel() const
{
VGImageFormat format = static_cast<VGImageFormat>(vgGetParameteri(m_image, VG_IMAGE_FORMAT));
switch (format) {
case VG_sRGBA_8888:
case VG_sRGBA_8888_PRE:
case VG_sRGBA_5551:
case VG_sRGBA_4444:
case VG_lRGBA_8888:
case VG_lRGBA_8888_PRE:
case VG_A_8:
case VG_A_1:
case VG_A_4:
case VG_sARGB_8888:
case VG_sARGB_8888_PRE:
case VG_sARGB_1555:
case VG_sARGB_4444:
case VG_lARGB_8888:
case VG_lARGB_8888_PRE:
case VG_sBGRA_8888:
case VG_sBGRA_8888_PRE:
case VG_sBGRA_5551:
case VG_sBGRA_4444:
case VG_lBGRA_8888:
case VG_lBGRA_8888_PRE:
case VG_sABGR_8888:
case VG_sABGR_8888_PRE:
case VG_sABGR_1555:
case VG_sABGR_4444:
case VG_lABGR_8888:
case VG_lABGR_8888_PRE:
return true;
break;
default:
break;
}
return false;
}
bool QSGOpenVGTexture::hasMipmaps() const
{
return false;
}
void QSGOpenVGTexture::bind()
{
// No need to bind
}
QT_END_NAMESPACE
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