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Diffstat (limited to 'src/core/render/frontend/technique.h')
| -rw-r--r-- | src/core/render/frontend/technique.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/core/render/frontend/technique.h b/src/core/render/frontend/technique.h new file mode 100644 index 000000000..f4050eb3e --- /dev/null +++ b/src/core/render/frontend/technique.h @@ -0,0 +1,194 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt3D 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef TECHNIQUE_H +#define TECHNIQUE_H + +#include <qt3dcore_global.h> +#include <node.h> + +#include "tag.h" +#include "renderpass.h" + +#include <QList> +#include <QMap> +#include <QQmlListProperty> +#include <QSharedPointer> + +// FIXME - move enum somewhere common so don't need to include this here +#include <quniformvalue.h> + +namespace Qt3D { + +class QT3DCORESHARED_EXPORT Parameter : public QObject +{ + Q_OBJECT + +public: + // FIXME - sort this by frequency, to minimize the size of the + // vector in RenderShader. (We want to use compact storage, but we index + // by this enum, and resize to the largest value) + enum StandardUniform + { + None = -1, + + ModelMatrix = 0, + ViewMatrix, + ProjectionMatrix, + ModelView, + ModelViewProjection, + + ModelInverse, + ViewInverse, + ProjectionInverse, + ModelViewInverse, + ModelViewProjectionInverse, + + ModelNormal, + ModelViewNormal + }; + + Parameter(QObject* parent, QString name, int ty); + + QString name() const + { return m_name; } + + // permit one extra level of indrection in mesh naming of + // attributes (glTf at least does this) + void setMeshAttributeName(QString name); + QString meshAttributeName() const + { return m_meshName; } + + bool isStandardUniform() const; + + void setStandardUniform(StandardUniform su); + StandardUniform standardUniform() const; + + /** + * @brief setDefaultValue - for non-texture uniform parameters + * @param dv + */ + void setDefaultValue(QVariant dv); + + // setUniformValue(); + + QVariant value() const; + + int datatype() const + { return m_type; } + + bool isTextureType() const; + + /** + * @brief uniformType - map the data type to the primitive uniform type + * @return + */ + Render::QUniformValue::Type uniformType() const; +signals: + void valueChanged(); + +private: + QString m_name; + int m_type; + QVariant m_value; + QVariant m_defaultValue; + QString m_meshName; + StandardUniform m_standardUniform; +}; + +class QT3DCORESHARED_EXPORT Technique : public Node +{ + Q_OBJECT + + Q_PROPERTY(QQmlListProperty<Qt3D::Tag> tags READ tags NOTIFY tagsChanged) + Q_PROPERTY(QQmlListProperty<Qt3D::RenderPass> renderPasses READ renderPassList NOTIFY renderPassesChanged) + +public: + explicit Technique(Node *parent = 0); + + QQmlListProperty<Qt3D::Tag> tags(); + void addTag( const QString& name, const QVariant& value ); + void removeTag( const QString& name ); + void setTagValue( const QString& name, const QVariant& value ); + QVariant tagValue( const QString& name ) const; + bool containsTag( const QString& name ) const; + + + void addPass(RenderPass* pass); + QList<RenderPass *> renderPasses() const; + + QQmlListProperty<Qt3D::RenderPass> renderPassList(); + + + + // QQmlListProperty<Qt3D::Parameter> parameters(); + + void addParameter(Parameter* p); + QList<Parameter *> parameters() const + { return m_parameters; } + + Parameter* parameterByName(QString name) const; +signals: + void tagsChanged(); + void renderPassesChanged(); + +private: + static void appendTag(QQmlListProperty<Tag> *list, Tag *bar); + static Tag *tagAt(QQmlListProperty<Tag> *list, int index); + static int tagCount(QQmlListProperty<Tag> *list); + static void clearTags(QQmlListProperty<Tag> *list); + + static void appendRenderPass(QQmlListProperty<RenderPass> *list, RenderPass* renderPass); + static RenderPass *renderPassAt(QQmlListProperty<RenderPass> *list, int index); + static int renderPassCount(QQmlListProperty<RenderPass> *list); + static void clearRenderPasses( QQmlListProperty<RenderPass> *list); + + QList<Tag *> m_tagList; + QMap<QString, Tag *> m_tags; + + QList<Parameter *> m_parameters; + + QList<RenderPass *> m_renderPasses; +}; + +} + +#endif // TECHNIQUE_H |