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Diffstat (limited to 'src/quick/scenegraph/coreapi/qsgtexture.h')
-rw-r--r-- | src/quick/scenegraph/coreapi/qsgtexture.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/quick/scenegraph/coreapi/qsgtexture.h b/src/quick/scenegraph/coreapi/qsgtexture.h new file mode 100644 index 0000000000..2efdd8b7c3 --- /dev/null +++ b/src/quick/scenegraph/coreapi/qsgtexture.h @@ -0,0 +1,153 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQuick module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSGTEXTURE_H +#define QSGTEXTURE_H + +#include <QtQuick/qtquickglobal.h> +#include <QtCore/QObject> +#include <QtGui/QImage> + +QT_BEGIN_NAMESPACE + +class QSGTexturePrivate; +class QRhi; +class QRhiTexture; +class QRhiResourceUpdateBatch; + +class Q_QUICK_EXPORT QSGTexture : public QObject +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QSGTexture) + +public: + QSGTexture(); + ~QSGTexture() override; + + enum WrapMode { + Repeat, + ClampToEdge, + MirroredRepeat + }; + + enum Filtering { + None, + Nearest, + Linear + }; + + enum AnisotropyLevel { + AnisotropyNone, + Anisotropy2x, + Anisotropy4x, + Anisotropy8x, + Anisotropy16x + }; + + virtual int textureId() const = 0; // ### Qt 6: remove + virtual QSize textureSize() const = 0; + virtual bool hasAlphaChannel() const = 0; + virtual bool hasMipmaps() const = 0; + + virtual QRectF normalizedTextureSubRect() const; + + virtual bool isAtlasTexture() const; + + virtual QSGTexture *removedFromAtlas() const; + + virtual void bind() = 0; + void updateBindOptions(bool force = false); + + void setMipmapFiltering(Filtering filter); + QSGTexture::Filtering mipmapFiltering() const; + + void setFiltering(Filtering filter); + QSGTexture::Filtering filtering() const; + + void setAnisotropyLevel(AnisotropyLevel level); + QSGTexture::AnisotropyLevel anisotropyLevel() const; + + void setHorizontalWrapMode(WrapMode hwrap); + QSGTexture::WrapMode horizontalWrapMode() const; + + void setVerticalWrapMode(WrapMode vwrap); + QSGTexture::WrapMode verticalWrapMode() const; + + inline QRectF convertToNormalizedSourceRect(const QRectF &rect) const; + + // ### Qt 6: make these virtual + int comparisonKey() const; + void updateRhiTexture(QRhi *rhi, QRhiResourceUpdateBatch *resourceUpdates); + + // ### Qt 6: make this an argument for removedFromAtlas() + void setWorkResourceUpdateBatch(QRhiResourceUpdateBatch *resourceUpdates); + +protected: + QSGTexture(QSGTexturePrivate &dd); +}; + +QRectF QSGTexture::convertToNormalizedSourceRect(const QRectF &rect) const +{ + QSize s = textureSize(); + QRectF r = normalizedTextureSubRect(); + + qreal sx = r.width() / s.width(); + qreal sy = r.height() / s.height(); + + return QRectF(r.x() + rect.x() * sx, + r.y() + rect.y() * sy, + rect.width() * sx, + rect.height() * sy); +} + +class Q_QUICK_EXPORT QSGDynamicTexture : public QSGTexture +{ + Q_OBJECT + +public: + QSGDynamicTexture() = default; + virtual bool updateTexture() = 0; + +protected: + QSGDynamicTexture(QSGTexturePrivate &dd); +}; + +QT_END_NAMESPACE + +#endif |