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..f2b0e902f3
--- /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;
+    QRhiTexture *rhiTexture() 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:
+    virtual bool updateTexture() = 0;
+
+protected:
+    QSGDynamicTexture(QSGTexturePrivate &dd);
+};
+
+QT_END_NAMESPACE
+
+#endif