Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #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);
++ }
++
++ qint64 QSGOpenVGTexture::comparisonKey() const
++ {
++ return qint64(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;
++ }
++
++ QT_END_NAMESPACE