qshaderbaker.h - mozsearch

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// Copyright (C) 2023 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QSHADERBAKER_H

#define QSHADERBAKER_H

//

//  W A R N I N G

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

//

// This file is part of the RHI API, with limited compatibility guarantees.

// Usage of this API may make your code source and binary incompatible with

// future versions of Qt.

//

#include <QtShaderTools/qtshadertoolsglobal.h>

#include <rhi/qshader.h>

QT_BEGIN_NAMESPACE

struct QShaderBakerPrivate;

class QIODevice;

class Q_SHADERTOOLS_EXPORT QShaderBaker

public:

    enum class SpirvOption {

        GenerateFullDebugInfo = 0x01,

        StripDebugAndVarInfo = 0x02

};

    Q_DECLARE_FLAGS(SpirvOptions, SpirvOption)

    enum class GlslOption {

        GlslEsFragDefaultFloatPrecisionMedium = 0x01

};

    Q_DECLARE_FLAGS(GlslOptions, GlslOption)

    QShaderBaker();

    ~QShaderBaker();

    void setSourceFileName(const QString &fileName);

    void setSourceFileName(const QString &fileName, QShader::Stage stage);

    void setSourceDevice(QIODevice *device, QShader::Stage stage,

                         const QString &fileName = QString());

    void setSourceString(const QByteArray &sourceString, QShader::Stage stage,

                         const QString &fileName = QString());

    using GeneratedShader = std::pair<QShader::Source, QShaderVersion>;

    void setGeneratedShaders(const QList<GeneratedShader> &v);

    void setGeneratedShaderVariants(const QList<QShader::Variant> &v);

    void setPreamble(const QByteArray &preamble);

    void setBatchableVertexShaderExtraInputLocation(int location);

    void setPerTargetCompilation(bool enable);

    void setBreakOnShaderTranslationError(bool enable);

    void setTessellationMode(QShaderDescription::TessellationMode mode);

    void setTessellationOutputVertexCount(int count);

    void setMultiViewCount(int count);

    void setSpirvOptions(SpirvOptions options);

    void setGlslOptions(GlslOptions options);

    QShader bake();

    QString errorMessage() const;

private:

    Q_DISABLE_COPY(QShaderBaker)

    QShaderBakerPrivate *d = nullptr;

};

Q_DECLARE_OPERATORS_FOR_FLAGS(QShaderBaker::SpirvOptions)

Q_DECLARE_OPERATORS_FOR_FLAGS(QShaderBaker::GlslOptions)

QT_END_NAMESPACE

#endif