FrameRenderer.h

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/*
 *  Copyright (C) 2010 - 2015 Leonid Kostrykin
 *
 *  Chair of Medical Engineering (mediTEC)
 *  RWTH Aachen University
 *  Pauwelsstr. 20
 *  52074 Aachen
 *  Germany
 *
 */
 
#ifndef FRAMERENDERER_H_6014714286
#define FRAMERENDERER_H_6014714286
 
#include <Carna/Carna.h>
#include <Carna/base/RenderStageSequence.h>
#include <Carna/base/Aggregation.h>
#include <Carna/base/noncopyable.h>
#include <Carna/base/math.h>
#include <string>
 
namespace Carna
{
 
namespace base
{
 
 
 
// ----------------------------------------------------------------------------------
// FrameRenderer
// ----------------------------------------------------------------------------------
 
class CARNA_LIB FrameRenderer : public RenderStageSequence
{
 
    NON_COPYABLE
 
    struct Details;
    const std::unique_ptr< Details > pimpl;
 
public:
    
    FrameRenderer( GLContext& glContext, unsigned int width, unsigned int height, bool fitSquare );
 
    virtual ~FrameRenderer();
 
    GLContext& glContext() const;
    
    virtual void clearStages() override;
    
    unsigned int width() const;
    
    unsigned int height() const;
 
    const Viewport& viewport() const;
 
    void setBackgroundColor( const math::Vector4f& );
    
    void reshape( unsigned int width, unsigned int height, bool fitSquare );
    
    void reshape( unsigned int width, unsigned int height );
    
    void render( Camera& cam, Node& root ) const;
    
    void render( Camera& cam ) const;
 
    struct RenderTextureParams
    {
        unsigned int unit;
        
        bool useDefaultSampler;
        
        bool useDefaultShader;
 
        std::string textureUniformName;
 
        float alphaFactor;
 
        RenderTextureParams( unsigned int unit );
    };
 
    void renderTexture( const RenderTextureParams& params ) const;
    
    const math::Statistics< double >& framesPerSecond() const;
 
private:
 
    void render( Camera& cam, Node& root, const Viewport& vp ) const;
 
}; // FrameRenderer
 
 
 
}  // namespace Carna :: base
 
}  // namespace Carna
 
#endif // FRAMERENDERER_H_6014714286