/usr/include/root/TX11GL.h is in libroot-graf3d-gl-dev 5.34.30-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Timur Pocheptsov 09/08/2004
/*************************************************************************
* Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TX11GL
#define ROOT_TX11GL
//////////////////////////////////////////////////////////////////////////
// //
// TX11GL //
// //
// The TX11GL is X11 implementation of TVirtualGLImp class. //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TVirtualGL
#include "TVirtualGL.h"
#endif
#if !defined(__CINT__)
#include <GL/glx.h>
#else
struct Display;
struct XVisualInfo;
#endif
class TX11GLManager : public TGLManager {
private:
class TX11GLImpl;
TX11GLImpl *fPimpl;
public:
TX11GLManager();
~TX11GLManager();
//All public functions are TGLManager's final-overriders
//index returned can be used as a result of gVirtualX->InitWindow
Int_t InitGLWindow(Window_t winID);
//winInd is the index, returned by InitGLWindow
Int_t CreateGLContext(Int_t winInd);
//[ Off-screen rendering part
//create pixmap to read GL buffer into it,
//ctxInd is the index, returned by CreateGLContext
Bool_t AttachOffScreenDevice(Int_t ctxInd, Int_t x, Int_t y, UInt_t w, UInt_t h);
Bool_t ResizeOffScreenDevice(Int_t devInd, Int_t x, Int_t y, UInt_t w, UInt_t h);
//analog of gVirtualX->SelectWindow(fPixmapID) => gVirtualGL->SelectOffScreenDevice(fPixmapID)
void SelectOffScreenDevice(Int_t devInd);
//Index of pixmap, valid for gVirtualX
Int_t GetVirtualXInd(Int_t devInd);
//copy pixmap into window directly/by pad
void MarkForDirectCopy(Int_t devInd, Bool_t);
//Off-screen device holds sizes for glViewport
void ExtractViewport(Int_t devInd, Int_t *vp);
//Read GL buffer into pixmap
void ReadGLBuffer(Int_t devInd);
//]
//Make the gl context current
Bool_t MakeCurrent(Int_t devInd);
//Sswap buffers or copies pixmap (XCopyArea)
void Flush(Int_t ctxInd);
//Generic function for gl context and off-screen device deletion
void DeleteGLContext(Int_t devInd);
//used by viewer
Bool_t SelectManip(TVirtualGLManip *manip, const TGLCamera *camera, const TGLRect *rect, const TGLBoundingBox *sceneBox);
//
Bool_t PlotSelected(TVirtualGLPainter *plot, Int_t px, Int_t py);
char *GetPlotInfo(TVirtualGLPainter *plot, Int_t px, Int_t py);
//
void PaintSingleObject(TVirtualGLPainter *);
void PanObject(TVirtualGLPainter *o, Int_t x, Int_t y);
void PrintViewer(TVirtualViewer3D *vv);
Bool_t HighColorFormat(Int_t /*ctxInd*/){return kFALSE;}
struct TGLContext_t;
private:
Bool_t CreateGLPixmap(TGLContext_t &);
//implicit copy-ctor/assignment generation
// was already disabled by base class, but to be explicit ...
TX11GLManager(const TX11GLManager &);
TX11GLManager &operator = (const TX11GLManager &);
ClassDef(TX11GLManager, 0) //X11-specific version of TGLManager
};
#endif
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