MaskRenderingStage.h

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/*
 *  Copyright (C) 2021 Leonid Kostrykin
 *
 */

#ifndef MASKRENDERINGSTAGE_H_6014714286
#define MASKRENDERINGSTAGE_H_6014714286

#include <Carna/presets/VolumeRenderingStage.h>
#include <Carna/Carna.h>
#include <memory>

namespace Carna
{

namespace presets
{



// ----------------------------------------------------------------------------------
// MaskRenderingStage
// ----------------------------------------------------------------------------------

class CARNA_LIB MaskRenderingStage : public VolumeRenderingStage
{

    struct Details;
    const std::unique_ptr< Details > pimpl;

public:

    const static base::Color  DEFAULT_COLOR;      
    const static unsigned int DEFAULT_ROLE_MASK;  

    const unsigned int maskRole;
    
    explicit MaskRenderingStage( unsigned int geometryType, unsigned int maskRole = DEFAULT_ROLE_MASK );

    virtual ~MaskRenderingStage();
    
    MaskRenderingStage* clone() const override;

    virtual void reshape( base::FrameRenderer& fr, unsigned int width, unsigned int height ) override;

    virtual void renderPass
        ( const base::math::Matrix4f& viewTransform
        , base::RenderTask& rt
        , const base::Viewport& vp ) override;

    const base::Color& color() const;
    
    void setColor( const base::Color& color );

    bool renderBorders() const;

    void setRenderBorders( bool borders );

protected:

    virtual unsigned int loadVideoResources() override;

    virtual void createVolumeSamplers( const std::function< void( unsigned int, base::Sampler* ) >& registerSampler ) override;

    virtual const base::ShaderProgram& acquireShader() override;

    virtual const std::string& uniformName( unsigned int role ) const override;

    virtual void configureShader() override;

    virtual void configureShader( const base::Renderable& ) override;

}; // DRRStage



}  // namespace Carna :: presets

}  // namespace Carna

#endif // MASKRENDERINGSTAGE_H_6014714286