contextCaps.h

//
// Copyright 2018 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_GLF_CONTEXT_CAPS_H
#define PXR_IMAGING_GLF_CONTEXT_CAPS_H
 
#include "pxr/pxr.h"
#include "pxr/imaging/glf/api.h"
#include "pxr/base/tf/singleton.h"
 
 
PXR_NAMESPACE_OPEN_SCOPE
 
 
class GlfContextCaps 
{
public:
 
    GLF_API
    static void InitInstance();
 
    GLF_API
    static const GlfContextCaps &GetInstance();
 
    // GL version
    int glVersion;                    // 400 (4.0), 410 (4.1), ...
 
    // Whether or not we are running with core profile
    bool coreProfile;
 
    // Max constants
    int maxArrayTextureLayers;
 
private:
    void _LoadCaps();
    GlfContextCaps();
    ~GlfContextCaps() = default;
 
    // Disallow copies
    GlfContextCaps(const GlfContextCaps&) = delete;
    GlfContextCaps& operator=(const GlfContextCaps&) = delete;
 
    friend class TfSingleton<GlfContextCaps>;
};
 
GLF_API_TEMPLATE_CLASS(TfSingleton<GlfContextCaps>);
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_IMAGING_GLF_CONTEXT_CAPS_H