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#ifndef QT3DRENDER_RENDER_RHI_SHADERVARIABLES_P_H
#define QT3DRENDER_RENDER_RHI_SHADERVARIABLES_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/qt3drender_global.h>
#include <QtGui/private/qshaderdescription_p.h>
#include <QOpenGLContext>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {

namespace Render {

namespace Rhi {

struct ShaderAttribute
{
    QString m_name;
    int m_nameId{-1};
    QShaderDescription::VariableType m_type{};
    int m_size{};
    int m_location{-1};
};
QT3D_DECLARE_TYPEINFO_3(Qt3DRender, Render, Rhi, ShaderAttribute, Q_MOVABLE_TYPE)

struct ShaderUniform
{
    QString m_name;
    int m_nameId{-1};
    QShaderDescription::VariableType m_type{QShaderDescription::Unknown};
    int m_size{0};
    int m_offset{-1}; // -1 default, >= 0 if uniform defined in uniform block
    int m_location{-1}; // -1 if uniform defined in a uniform block
    int m_blockIndex{-1}; // -1 is the default, >= 0 if uniform defined in uniform block
    int m_arrayStride{-1}; // -1 is the default, >= 0 if uniform defined in uniform block and if it's an array
    int m_matrixStride{-1}; // -1 is the default, >= 0 uniform defined in uniform block and is a matrix
    uint m_rawByteSize{0}; // contains byte size (size / type / strides)
    // size, offset and strides are in bytes
};
QT3D_DECLARE_TYPEINFO_3(Qt3DRender, Render, Rhi, ShaderUniform, Q_MOVABLE_TYPE)

struct ShaderUniformBlock
{
    QString m_name;
    int m_nameId{-1};
    int m_index{-1};
    int m_binding{-1};
    int m_activeUniformsCount{0};
    int m_size{0};
};
QT3D_DECLARE_TYPEINFO_3(Qt3DRender, Render, Rhi, ShaderUniformBlock, Q_MOVABLE_TYPE)

struct ShaderStorageBlock
{
    QString m_name;
    int m_nameId{-1};
    int m_index{-1};
    int m_binding{-1};
    int m_size{0};
    int m_activeVariablesCount{0};
};
QT3D_DECLARE_TYPEINFO_3(Qt3DRender, Render, Rhi, ShaderStorageBlock, Q_MOVABLE_TYPE)

} // namespace Rhi

} // namespace Render

} // namespace Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_RENDER_RHI_SHADERVARIABLES_P_H