1 files changed, 158 insertions, 0 deletions
diff --git a/src/imports/shaders/shadereffectsource.h b/src/imports/shaders/shadereffectsource.h
new file mode 100644
index 0000000..275e5b2
--- /dev/null
+++ b/src/imports/shaders/shadereffectsource.h
@@ -0,0 +1,158 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QML Shaders plugin of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SHADEREFFECTSOURCE_H
+#define SHADEREFFECTSOURCE_H
+
+#include <QDeclarativeItem>
+#include <QtOpenGL>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class ShaderEffectBuffer;
+
+class ShaderEffectSource : public QDeclarativeItem
+{
+    Q_OBJECT
+    Q_PROPERTY(QDeclarativeItem *sourceItem READ sourceItem WRITE setSourceItem NOTIFY sourceItemChanged)
+    Q_PROPERTY(QRectF sourceRect READ sourceRect WRITE setSourceRect NOTIFY sourceRectChanged)
+    Q_PROPERTY(QSize textureSize READ textureSize WRITE setTextureSize NOTIFY textureSizeChanged)
+    Q_PROPERTY(bool live READ isLive WRITE setLive NOTIFY liveChanged)
+    Q_PROPERTY(bool hideSource READ hideSource WRITE setHideSource NOTIFY hideSourceChanged)
+    Q_PROPERTY(WrapMode wrapMode READ wrapMode WRITE setWrapMode NOTIFY wrapModeChanged)
+    Q_ENUMS(WrapMode)
+    Q_ENUMS(Format)
+
+public:
+    enum WrapMode {
+            ClampToEdge,
+            RepeatHorizontally,
+            RepeatVertically,
+            Repeat
+        };
+
+    enum Format {
+        Alpha = GL_ALPHA,
+        RGB = GL_RGB,
+        RGBA = GL_RGBA
+    };
+
+    ShaderEffectSource(QDeclarativeItem *parent = 0);
+    virtual ~ShaderEffectSource();
+
+    QDeclarativeItem *sourceItem() const { return m_sourceItem.data(); }
+    void setSourceItem(QDeclarativeItem *item);
+
+    QRectF sourceRect() const { return m_sourceRect; };
+    void setSourceRect(const QRectF &rect);
+
+    QSize textureSize() const { return m_textureSize; }
+    void setTextureSize(const QSize &size);
+
+    bool isLive() const { return m_live; }
+    void setLive(bool s);
+
+    bool hideSource() const { return m_hideSource; }
+    void setHideSource(bool hide);
+
+    WrapMode wrapMode() const { return m_wrapMode; };
+    void setWrapMode(WrapMode mode);
+
+    bool isActive() const { return m_refs; }
+    void bind() const;
+    void refFromEffectItem();
+    void derefFromEffectItem();
+    void updateBackbuffer();
+
+    ShaderEffectBuffer* fbo() { return m_fbo; }
+    bool isDirtyTexture() { return m_dirtyTexture; }
+    bool isMirrored() { return m_mirrored; }
+
+    Q_INVOKABLE void grab();
+
+Q_SIGNALS:
+    void sourceItemChanged();
+    void sourceRectChanged();
+    void textureSizeChanged();
+    void formatChanged();
+    void liveChanged();
+    void hideSourceChanged();
+    void activeChanged();
+    void repaintRequired();
+    void wrapModeChanged();
+
+public Q_SLOTS:
+    void markSceneGraphDirty();
+    void markSourceSizeDirty();
+
+private:
+    void updateSizeAndTexture();
+    void attachSourceItem();
+    void detachSourceItem();
+
+private:
+    QPointer<QDeclarativeItem> m_sourceItem;
+    WrapMode m_wrapMode;
+    QRectF m_sourceRect;
+    QSize m_textureSize;
+    Format m_format;
+    QSize m_size;
+
+    ShaderEffectBuffer *m_fbo;
+    ShaderEffectBuffer *m_multisampledFbo;
+    int m_refs;
+    bool m_dirtyTexture : 1;
+    bool m_dirtySceneGraph : 1;
+    bool m_multisamplingSupported : 1;
+    bool m_checkedForMultisamplingSupport : 1;
+    bool m_live : 1;
+    bool m_hideSource : 1;
+    bool m_mirrored : 1;
+};
+
+QT_END_HEADER
+
+QT_END_NAMESPACE
+
+
+#endif // SHADEREFFECTSOURCE_H