qssgrendershaderlibrarymanager_p.h

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// Copyright (C) 2008-2012 NVIDIA Corporation.

// Copyright (C) 2019 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QSSG_RENDER_DYNAMIC_OBJECT_SYSTEM_H

#define QSSG_RENDER_DYNAMIC_OBJECT_SYSTEM_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QtQuick3DUtils/private/qssgrenderbasetypes_p.h>

#include <QtQuick3DUtils/private/qqsbcollection_p.h>

#include <QtQuick3DRuntimeRender/private/qssgrendershadercache_p.h>

#include <QtQuick3DRuntimeRender/private/qssgrendergraphobject_p.h>

#include <QtQuick3DRuntimeRender/private/qssgrendershaderkeys_p.h>

#include <QtGui/QVector2D>

#include <QtCore/QString>

#include <QtCore/QReadWriteLock>

QT_BEGIN_NAMESPACE

class QSSGRenderContextInterface;

struct QSSGCustomShaderMetaData

    enum Flag {

        UsesScreenTexture = 1 << 0,

        UsesDepthTexture = 1 << 1,

        UsesAoTexture = 1 << 2,

        OverridesPosition = 1 << 3,

        UsesProjectionMatrix = 1 << 4,

        UsesInverseProjectionMatrix = 1 << 5,

        UsesScreenMipTexture = 1 << 6,

        UsesVarColor = 1 << 7,

        UsesSharedVars = 1 << 8,

        UsesIblOrientation = 1 << 9,

        UsesLightmap = 1 << 10,

        UsesSkinning = 1 << 11,

        UsesMorphing = 1 << 12,

        UsesViewIndex = 1 << 13,

        UsesInputTexture = 1 << 14,

        UsesClearcoat = 1 << 15,

        UsesClearcoatFresnelScaleBias = 1 << 16,

        UsesFresnelScaleBias = 1 << 17,

        UsesTransmission = 1 << 18,

        UsesViewMatrix = 1 << 19,

        UsesNormalTexture = 1 << 20,

        UsesMotionVectorTexture = 1 << 21,

        UsesSheen = 1 << 22,

        UsesAnisotropy = 1 << 23,

        UsesIridescence = 1 << 24,

        UsesDispersion = 1 << 25

};

    Q_DECLARE_FLAGS(Flags, Flag)

    Flags flags;

    QSet<QByteArray> customFunctions;

    QSSGShaderFeatures features;

};

Q_DECLARE_OPERATORS_FOR_FLAGS(QSSGCustomShaderMetaData::Flags)

class Q_QUICK3DRUNTIMERENDER_EXPORT QSSGShaderLibraryManager

    Q_DISABLE_COPY(QSSGShaderLibraryManager)

public:

    typedef QHash<QByteArray, QByteArray> TPathDataMap;

    typedef QSet<QString> TPathSet;

    TPathDataMap m_expandedFiles;

    QHash<QByteArray, QSSGCustomShaderMetaData> m_metadata;

    QByteArray m_vertShader;

    QByteArray m_fragShader;

    QQsbCollection::EntryMap m_preGeneratedShaderEntries;

    QReadWriteLock m_lock;

    static QString getShaderCodeLibraryDirectory();

    explicit QSSGShaderLibraryManager();

    ~QSSGShaderLibraryManager();

    QQsbCollection::EntryMap getParticleShaderEntries() const;

    void setShaderSource(const QByteArray &inShaderPathKey, QSSGShaderCache::ShaderType type,

                         const QByteArray &inSource, const QSSGCustomShaderMetaData &meta);

    // Does not load any shaders, only information about the content of the pregenerated shaders

    void loadPregeneratedShaderInfo();

    void resolveIncludeFiles(QByteArray &theReadBuffer, const QByteArray &inMaterialInfoString);

    QByteArray getIncludeContents(const QByteArray &inShaderPathKey);

    QByteArray getShaderSource(const QByteArray &inShaderPathKey, QSSGShaderCache::ShaderType type);

    QSSGCustomShaderMetaData getShaderMetaData(const QByteArray &inShaderPathKey, QSSGShaderCache::ShaderType type);

    void setShaderCodeLibraryVersion(const QByteArray &version);

    static bool compare(const QSSGShaderDefaultMaterialKey &key1, const QSSGShaderDefaultMaterialKey &key2);

};

QT_END_NAMESPACE

#endif