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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** 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 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 QT3DRENDER_RENDER_SHADERDATA_P_H
#define QT3DRENDER_RENDER_SHADERDATA_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <Qt3DRender/private/backendnode_p.h>
#include <Qt3DRender/private/shadervariables_p.h>
#include <Qt3DRender/qshaderdata.h>
#include <QMutex>
#include <QMatrix4x4>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
class GraphicsContext;
class GLBuffer;
class NodeManagers;
class Q_AUTOTEST_EXPORT ShaderData : public BackendNode
{
public:
enum TransformType {
NoTransform = -1,
ModelToEye = 0,
ModelToWorld,
ModelToWorldDirection
};
ShaderData();
~ShaderData();
QHash<QString, QVariant> properties() const { return m_originalProperties; }
// Called by FramePreparationJob
void updateWorldTransform(const QMatrix4x4 &worldMatrix);
// Call by RenderViewJob
void markDirty();
TransformType propertyTransformType(const QString &name) const;
QVariant getTransformedProperty(const QString &name, const QMatrix4x4 &viewMatrix);
// Called by FrameCleanupJob
static void cleanup(NodeManagers *managers);
void setManagers(NodeManagers *managers);
protected:
void initializeFromPeer(const Qt3DCore::QNodeCreatedChangeBasePtr &change) Q_DECL_OVERRIDE;
void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e) Q_DECL_OVERRIDE;
PropertyReaderInterfacePtr m_propertyReader;
// 1 to 1 match with frontend properties, modified only by sceneChangeEvent
QHash<QString, QVariant> m_originalProperties;
// Contains properties thar are of type ShaderData
QHash<QString, QVariant> m_nestedShaderDataProperties;
// Contains property that are defined like: postionTransformed: ModelToEye
QHash<QString, TransformType> m_transformedProperties;
QMutex m_mutex;
static QVector<Qt3DCore::QNodeId> m_updatedShaderData;
QMatrix4x4 m_worldMatrix;
QMatrix4x4 m_viewMatrix;
NodeManagers *m_managers;
void clearUpdatedProperties();
static ShaderData *lookupResource(NodeManagers *managers, Qt3DCore::QNodeId id);
ShaderData *lookupResource(Qt3DCore::QNodeId id);
friend class RenderShaderDataFunctor;
};
class RenderShaderDataFunctor : public Qt3DCore::QBackendNodeMapper
{
public:
explicit RenderShaderDataFunctor(AbstractRenderer *renderer, NodeManagers *managers);
Qt3DCore::QBackendNode *create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const Q_DECL_FINAL;
Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const Q_DECL_FINAL;
void destroy(Qt3DCore::QNodeId id) const Q_DECL_FINAL;
private:
NodeManagers *m_managers;
AbstractRenderer *m_renderer;
};
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
Q_DECLARE_METATYPE(Qt3DRender::Render::ShaderData*)
#endif // QT3DRENDER_RENDER_SHADERDATA_P_H
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