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Diffstat (limited to 'src/declarative/scenegraph/coreapi/qsgmaterial.h')
-rw-r--r-- | src/declarative/scenegraph/coreapi/qsgmaterial.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/declarative/scenegraph/coreapi/qsgmaterial.h b/src/declarative/scenegraph/coreapi/qsgmaterial.h new file mode 100644 index 0000000000..c1513956d0 --- /dev/null +++ b/src/declarative/scenegraph/coreapi/qsgmaterial.h @@ -0,0 +1,141 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module 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 MATERIAL_H +#define MATERIAL_H + +#include <qglshaderprogram.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +class QSGMaterial; + +class Q_DECLARATIVE_EXPORT QSGMaterialShader +{ +public: + class Q_DECLARATIVE_EXPORT RenderState { + public: + enum DirtyState + { + DirtyMatrix = 0x0001, + DirtyOpacity = 0x0002 + }; + Q_DECLARE_FLAGS(DirtyStates, DirtyState) + + inline DirtyStates dirtyState() const { return m_dirty; } + + inline bool isMatrixDirty() const { return m_dirty & DirtyMatrix; } + inline bool isOpacityDirty() const { return m_dirty & DirtyOpacity; } + + float opacity() const; + QMatrix4x4 combinedMatrix() const; + QMatrix4x4 modelViewMatrix() const; + QRect viewportRect() const; + QRect deviceRect() const; + + const QGLContext *context() const; + + private: + friend class QSGRenderer; + DirtyStates m_dirty; + const void *m_data; + }; + + 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. + +protected: + void compile(); + virtual void initialize() { } + + virtual const char *vertexShader() const = 0; + virtual const char *fragmentShader() const = 0; + + QGLShaderProgram m_program; + bool m_compiled; + void *m_reserved; +}; + +struct QSGMaterialType { }; + +class Q_DECLARATIVE_EXPORT QSGMaterial +{ +public: + enum Flag { + Blending = 0x0001 + }; + Q_DECLARE_FLAGS(Flags, Flag) + + QSGMaterial(); + virtual ~QSGMaterial(); + + virtual QSGMaterialType *type() const = 0; + virtual QSGMaterialShader *createShader() const = 0; + virtual int compare(const QSGMaterial *other) const; + + QSGMaterial::Flags flags() const { return m_flags; } + +protected: + void setFlag(Flags flags, bool set); + +private: + Flags m_flags; + void *m_reserved; + Q_DISABLE_COPY(QSGMaterial) +}; + +Q_DECLARE_OPERATORS_FOR_FLAGS(QSGMaterial::Flags) +Q_DECLARE_OPERATORS_FOR_FLAGS(QSGMaterialShader::RenderState::DirtyStates) + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |