Material.hpp

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/*
 *  Copyright (C) 2010 - 2016 Leonid Kostrykin
 *
 *  Chair of Medical Engineering (mediTEC)
 *  RWTH Aachen University
 *  Pauwelsstr. 20
 *  52074 Aachen
 *  Germany
 * 
 * 
 *  Copyright (C) 2021 - 2025 Leonid Kostrykin
 * 
 */
 
#ifndef MATERIAL_H_6014714286
#define MATERIAL_H_6014714286
 
#include <LibCarna/LibCarna.hpp>
#include <LibCarna/base/GeometryFeature.hpp>
#include <LibCarna/base/ShaderManager.hpp>
#include <LibCarna/base/ShaderUniform.hpp>
#include <LibCarna/base/noncopyable.hpp>
#include <string>
 
namespace LibCarna
{
 
namespace base
{
 
 
 
// ----------------------------------------------------------------------------------
// Material
// ----------------------------------------------------------------------------------
    
class LIBCARNA Material : public GeometryFeature
{
 
    NON_COPYABLE
 
    struct Details;
    const std::unique_ptr< Details > pimpl;
 
    const ShaderProgram* shader;
    
protected:
 
    friend class GeometryFeature;
    
    Material( const std::string& shaderName );
    
    virtual ~Material();
 
public:
 
    const std::string shaderName;
 
    void addParameter( ShaderUniformBase* uniform );
    
    template< typename ParameterType >
    void setParameter( const std::string& name, const ParameterType& value );
 
    void clearParameters();
 
    void removeParameter( const std::string& name );
    
    bool hasParameter( const std::string& name ) const;
    
    const ShaderUniformBase& parameter( const std::string& name ) const;
 
    float lineWidth() const;
 
    void setLineWidth( float lineWidth );
 
    static Material& create( const std::string& shaderName );
 
    virtual bool controlsSameVideoResource( const GeometryFeature& other ) const override;
 
    // ------------------------------------------------------------------------------
    // Material :: ManagedInterface
    // ------------------------------------------------------------------------------
    
    class LIBCARNA ManagedInterface : public GeometryFeature::ManagedInterface
    {
    
    public:
    
        ManagedInterface( Material& material );
    
        virtual ~ManagedInterface();
 
        void activate( RenderState& renderState ) const;
 
        const ShaderProgram& shader() const;
    
        Material& material;
    
    }; // Material :: ManagedInterface
 
    // ------------------------------------------------------------------------------
    
    virtual ManagedInterface* acquireVideoResource() override;
 
}; // Material
 
    
template< typename ParameterType >
void Material::setParameter( const std::string& name, const ParameterType& value )
{
    addParameter( new ShaderUniform< ParameterType >( name, value ) );
}
 
 
 
}  // namespace LibCarna :: base
 
}  // namespace LibCarna
 
#endif // MATERIAL_H_6014714286