viewport.h

Go to the documentation of this file.

/*****************************************************************************************
 * SGCT                                                                                  *
 * Simple Graphics Cluster Toolkit                                                       *
 *                                                                                       *
 * Copyright (c) 2012-2026                                                               *
 * For conditions of distribution and use, see copyright notice in LICENSE.md            *
 ****************************************************************************************/
 
#ifndef __SGCT__VIEWPORT__H__
#define __SGCT__VIEWPORT__H__
 
#include <sgct/sgctexports.h>
#include <sgct/baseviewport.h>
 
#include <sgct/correctionmesh.h>
#include <sgct/window.h>
#include <cstdint>
#include <filesystem>
#include <memory>
 
namespace sgct {
 
namespace config { struct Viewport; }
class NonLinearProjection;

class SGCT_EXPORT Viewport final : public BaseViewport {
public:
    Viewport(const config::Viewport& viewport, const Window& parent);
    ~Viewport() override;
 
    void initialize(vec2 size, bool hasStereo, unsigned int internalFormat,
        uint8_t samples);
 
    void loadData();
 
    void calculateFrustum(FrustumMode mode, float nearClip, float farClip) override;
 
    void renderQuadMesh() const;
    void renderWarpMesh() const;
    void renderMaskMesh() const;
 
    bool hasOverlayTexture() const;
    bool hasBlendMaskTexture() const;
    bool hasBlackLevelMaskTexture() const;
    bool hasSubViewports() const;
    bool isTracked() const;
    unsigned int overlayTextureIndex() const;
    unsigned int blendMaskTextureIndex() const;
    unsigned int blackLevelMaskTextureIndex() const;
    NonLinearProjection* nonLinearProjection() const;
 
private:
    CorrectionMesh _mesh;
    std::filesystem::path _overlayFilename;
    std::filesystem::path _blendMaskFilename;
    std::filesystem::path _blackLevelMaskFilename;
    std::filesystem::path _meshFilename;
    bool _isTracked;
    bool _useTextureMappedProjection = false;
    unsigned int _overlayTextureIndex = 0;
    unsigned int _blendMaskTextureIndex = 0;
    unsigned int _blackLevelMaskTextureIndex = 0;
 
    std::unique_ptr<NonLinearProjection> _nonLinearProjection;
};
 
} // namespace sgct
 
#endif // __SGCT__VIEWPORT__H__