1 files changed, 136 insertions, 0 deletions
diff --git a/src/quick/scenegraph/coreapi/qsgmaterialshader.h b/src/quick/scenegraph/coreapi/qsgmaterialshader.h
new file mode 100644
index 0000000000..d7ee23384f
--- /dev/null
+++ b/src/quick/scenegraph/coreapi/qsgmaterialshader.h
@@ -0,0 +1,136 @@
+/****************************************************************************
+**
+** 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 QSGMATERIALSHADER_H
+#define QSGMATERIALSHADER_H
+
+#include <QtQuick/qtquickglobal.h>
+#if QT_CONFIG(opengl)
+# include <QtGui/qopenglshaderprogram.h>
+#endif
+#include <QtGui/QMatrix4x4>
+#include <QtCore/QRect>
+#include <QtQuick/qsgmaterialtype.h> // for source compat
+
+QT_BEGIN_NAMESPACE
+
+class QSGMaterial;
+class QSGMaterialShaderPrivate;
+
+namespace QSGBatchRenderer {
+    class ShaderManager;
+}
+
+class Q_QUICK_EXPORT QSGMaterialShader
+{
+public:
+    class Q_QUICK_EXPORT RenderState {
+    public:
+        enum DirtyState
+        {
+            DirtyMatrix             = 0x0001,
+            DirtyOpacity            = 0x0002,
+            DirtyCachedMaterialData = 0x0004,
+            DirtyAll                = 0xFFFF
+        };
+        Q_DECLARE_FLAGS(DirtyStates, DirtyState)
+
+        inline DirtyStates dirtyStates() const { return m_dirty; }
+
+        inline bool isMatrixDirty() const { return m_dirty & DirtyMatrix; }
+        inline bool isOpacityDirty() const { return m_dirty & DirtyOpacity; }
+        bool isCachedMaterialDataDirty() const { return m_dirty & DirtyCachedMaterialData; }
+
+        float opacity() const;
+        QMatrix4x4 combinedMatrix() const;
+        QMatrix4x4 modelViewMatrix() const;
+        QMatrix4x4 projectionMatrix() const;
+        QRect viewportRect() const;
+        QRect deviceRect() const;
+        float determinant() const;
+        float devicePixelRatio() const;
+#if QT_CONFIG(opengl)
+        QOpenGLContext *context() const;
+#endif
+    private:
+        friend class QSGRenderer;
+        DirtyStates m_dirty;
+        const void *m_data;
+    };
+
+    QSGMaterialShader();
+    virtual ~QSGMaterialShader();
+
+    virtual void activate();
+    virtual void deactivate();
+    // First time a material is used, oldMaterial is null.
+    virtual void updateState(const RenderState &state, QSGMaterial *newMaterial, QSGMaterial *oldMaterial);
+    virtual char const *const *attributeNames() const = 0; // Array must end with null.
+#if QT_CONFIG(opengl)
+    inline QOpenGLShaderProgram *program() { return &m_program; }
+#endif
+protected:
+    Q_DECLARE_PRIVATE(QSGMaterialShader)
+    QSGMaterialShader(QSGMaterialShaderPrivate &dd);
+
+    friend class QSGDefaultRenderContext;
+    friend class QSGBatchRenderer::ShaderManager;
+#if QT_CONFIG(opengl)
+    void setShaderSourceFile(QOpenGLShader::ShaderType type, const QString &sourceFile);
+    void setShaderSourceFiles(QOpenGLShader::ShaderType type, const QStringList &sourceFiles);
+
+    virtual void compile();
+#endif
+    virtual void initialize() { }
+#if QT_CONFIG(opengl)
+    virtual const char *vertexShader() const;
+    virtual const char *fragmentShader() const;
+#endif
+private:
+#if QT_CONFIG(opengl)
+    QOpenGLShaderProgram m_program;
+#endif
+    QScopedPointer<QSGMaterialShaderPrivate> d_ptr;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QSGMaterialShader::RenderState::DirtyStates)
+
+QT_END_NAMESPACE
+
+#endif