AppDemoSceneShaderBlinn.h

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/**
 * \file      AppDemoSceneShaderBlinn.h
 * \brief     Class declaration for an SLScene inherited class
 * \details   For more info about App framework and the scene assembly see: 
 *            https://cpvrlab.github.io/SLProject4/app-framework.html
 * \date      May 2024
 * \authors   Marcus Hudritsch, Marino von Wattenwyl
 * \copyright http://opensource.org/licenses/GPL-3.0
 * \remarks   Please use clangformat to format the code. See more code style on
 *            https://github.com/cpvrlab/SLProject4/wiki/SLProject-Coding-Style
*/
 
#ifndef APPDEMOSCENESHADERBLINN_H
#define APPDEMOSCENESHADERBLINN_H
 
#include <SLScene.h>
 
//-----------------------------------------------------------------------------
//! Class for demo scene with Blinn-Phong lighting per vertex or per pixel
class AppDemoSceneShaderBlinn : public SLScene
{
public:
    AppDemoSceneShaderBlinn(SLstring name,
                            bool     perVertex);
 
    
    //! All scene specific assets have to be registered for async loading in here.
    /*! @remark All scene sspecific assets have to be loaded async by overriding 
    SLScene::registerAssetsToLoad and SLScene::assemble. Async loading and 
    assembling means that it happens in a parallel thread and that in there are 
    no OpenGL calls allowed. OpenGL calls are only allowed in the main thread.*/
    void registerAssetsToLoad(SLAssetLoader& al) override;
 
    //! After parallel loading of the assets the scene gets assembled in here.
    /*! @remark All scene-specific assets have to be loaded async by overriding 
    SLScene::registerAssetsToLoad and SLScene::assemble. Async loading and 
    assembling means that it happens in a parallel thread and that in there 
    are no OpenGL calls allowed. OpenGL calls are only allowed in the main 
    thread. It is important that all object instantiations within 
    SLScene::assemble do NOT call any OpenGL functions (gl*) because they happen 
    in a parallel thread. All objects that get rendered have to do their 
    initialization when they are used the first time during rendering in the 
    main thread.*/
    void assemble(SLAssetManager* am, SLSceneView* sv) override;
 
private:
    bool         _perVertex;
    SLGLProgram* _perVrtTm = nullptr;
    SLGLProgram* _perVrt = nullptr;
    SLGLProgram* _perPix = nullptr;
    SLGLTexture* _texC = nullptr;
    SLGLTexture* _texN = nullptr;
    SLGLTexture* _texH = nullptr;
};
//-----------------------------------------------------------------------------
 
#endif