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/****************************************************************************
**
** Copyright (C) 2017 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_SHADERBUILDER_H
#define QT3DRENDER_RENDER_SHADERBUILDER_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/qgraphicsapifilter_p.h>
#include <Qt3DCore/qpropertyupdatedchange.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
class Q_3DRENDERSHARED_PRIVATE_EXPORT ShaderBuilder : public BackendNode
{
public:
enum ShaderType {
Vertex = 0,
TessellationControl,
TessellationEvaluation,
Geometry,
Fragment,
Compute
};
static QString getPrototypesFile();
static void setPrototypesFile(const QString &file);
static QStringList getPrototypeNames();
ShaderBuilder();
~ShaderBuilder();
void cleanup();
Qt3DCore::QNodeId shaderProgramId() const;
QStringList enabledLayers() const;
GraphicsApiFilterData graphicsApi() const;
void setGraphicsApi(const GraphicsApiFilterData &graphicsApi);
QUrl shaderGraph(ShaderType type) const;
void setShaderGraph(ShaderType type, const QUrl &url);
QByteArray shaderCode(ShaderType type) const;
bool isShaderCodeDirty(ShaderType type) const;
void generateCode(ShaderType type);
void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e) override;
private:
void initializeFromPeer(const Qt3DCore::QNodeCreatedChangeBasePtr &change) final;
void setEnabledLayers(const QStringList &layers);
GraphicsApiFilterData m_graphicsApi;
Qt3DCore::QNodeId m_shaderProgramId;
QStringList m_enabledLayers;
QHash<ShaderType, QUrl> m_graphs;
QHash<ShaderType, QByteArray> m_codes;
QSet<ShaderType> m_dirtyTypes;
};
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_SHADERBUILDER_H
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