diff options
Diffstat (limited to 'src/quick/scenegraph/util/qsgtexturereader.cpp')
-rw-r--r-- | src/quick/scenegraph/util/qsgtexturereader.cpp | 61 |
1 files changed, 46 insertions, 15 deletions
diff --git a/src/quick/scenegraph/util/qsgtexturereader.cpp b/src/quick/scenegraph/util/qsgtexturereader.cpp index 61729ada18..8af2c8e7cd 100644 --- a/src/quick/scenegraph/util/qsgtexturereader.cpp +++ b/src/quick/scenegraph/util/qsgtexturereader.cpp @@ -43,40 +43,71 @@ #if QT_CONFIG(opengl) #include <private/qsgpkmhandler_p.h> +#include <private/qsgktxhandler_p.h> #endif +#include <QFileInfo> + QT_BEGIN_NAMESPACE -QSGTextureReader::QSGTextureReader() +QSGTextureReader::QSGTextureReader(QIODevice *device, const QString &fileName) + : m_device(device), m_fileInfo(fileName) { +} +QSGTextureReader::~QSGTextureReader() +{ + delete m_handler; } -QQuickTextureFactory *QSGTextureReader::read(QIODevice *device, const QByteArray &format) +QQuickTextureFactory *QSGTextureReader::read() { #if QT_CONFIG(opengl) - if (format == QByteArrayLiteral("pkm")) { - QSGPkmHandler handler; - return handler.read(device); - } + if (!isTexture()) + return nullptr; + return m_handler->read(); #else - Q_UNUSED(device) - Q_UNUSED(format) -#endif return nullptr; +#endif } -bool QSGTextureReader::isTexture(QIODevice *device, const QByteArray &format) +bool QSGTextureReader::isTexture() { #if QT_CONFIG(opengl) - if (format == QByteArrayLiteral("pkm")) { - return device->peek(4) == QByteArrayLiteral("PKM "); + if (!checked) { + checked = true; + if (!init()) + return false; + + QByteArray headerBlock = m_device->peek(64); + QByteArray suffix = m_fileInfo.suffix().toLower().toLatin1(); + QByteArray logName = m_fileInfo.fileName().toUtf8(); + + // Currently the handlers are hardcoded; later maybe a list of plugins + if (QSGPkmHandler::canRead(suffix, headerBlock)) { + m_handler = new QSGPkmHandler(m_device, logName); + } else if (QSGKtxHandler::canRead(suffix, headerBlock)) { + m_handler = new QSGKtxHandler(m_device, logName); + } + // else if OtherHandler::canRead() ...etc. } + return (m_handler != nullptr); #else - Q_UNUSED(device) - Q_UNUSED(format) -#endif return false; +#endif +} + +QList<QByteArray> QSGTextureReader::supportedFileFormats() +{ + // Hardcoded for now + return {QByteArrayLiteral("pkm"), QByteArrayLiteral("ktx")}; +} + +bool QSGTextureReader::init() +{ + if (!m_device) + return false; + return m_device->isReadable(); } QT_END_NAMESPACE |