0643d43cad
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43097 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
151 lines
4.8 KiB
C++
151 lines
4.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: glcanvas.h
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// Purpose: wxGLCanvas, for using OpenGL/Mesa with wxWidgets and GTK
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// Author: Robert Roebling
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// Modified by:
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// Created: 17/8/98
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// RCS-ID: $Id$
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// Copyright: (c) Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GLCANVAS_H_
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#define _WX_GLCANVAS_H_
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#include "wx/scrolwin.h"
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#include "wx/app.h"
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extern "C" {
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#include <GL/gl.h>
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#include <GL/glx.h>
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#include <GL/glu.h>
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}
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//---------------------------------------------------------------------------
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// classes
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//---------------------------------------------------------------------------
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class WXDLLEXPORT wxGLContext;
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class WXDLLEXPORT wxGLCanvas;
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//---------------------------------------------------------------------------
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// wxGLContext
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//---------------------------------------------------------------------------
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class WXDLLEXPORT wxGLContext: public wxObject
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{
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public:
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wxGLContext(wxWindow* win, const wxGLContext* other=NULL /* for sharing display lists */);
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virtual ~wxGLContext();
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public:
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// The win wxGLCanvas needs not necessarily be the same as the wxGLCanvas with which this context was created!
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void SetCurrent(const wxGLCanvas& win) const;
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private:
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GLXContext m_glContext;
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private:
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DECLARE_CLASS(wxGLContext)
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};
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//---------------------------------------------------------------------------
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// wxGLCanvas
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//---------------------------------------------------------------------------
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class WXDLLEXPORT wxGLCanvas: public wxWindow
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{
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public:
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// This ctor is identical to the next, except for the fact that it
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// doesn't create an implicit wxGLContext.
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// The attribList parameter has been moved to avoid overload clashes.
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wxGLCanvas( wxWindow *parent, wxWindowID id = -1,
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int *attribList = (int*) NULL,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0, const wxString& name = wxGLCanvasName,
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const wxPalette& palette = wxNullPalette );
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wxGLCanvas( wxWindow *parent, wxWindowID id = -1,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0, const wxString& name = wxGLCanvasName,
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int *attribList = (int*) NULL,
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const wxPalette& palette = wxNullPalette );
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wxGLCanvas( wxWindow *parent, const wxGLContext *shared,
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wxWindowID id = -1,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0, const wxString& name = wxGLCanvasName,
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int *attribList = (int*) NULL,
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const wxPalette& palette = wxNullPalette );
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wxGLCanvas( wxWindow *parent, const wxGLCanvas *shared,
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wxWindowID id = -1,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0, const wxString& name = wxGLCanvasName,
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int *attribList = (int*) NULL,
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const wxPalette& palette = wxNullPalette );
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bool Create( wxWindow *parent,
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const wxGLContext *shared = (wxGLContext*)NULL,
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const wxGLCanvas *shared_context_of = (wxGLCanvas*)NULL,
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wxWindowID id = -1,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxGLCanvasName,
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int *attribList = (int*) NULL,
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const wxPalette& palette = wxNullPalette );
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virtual ~wxGLCanvas();
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void SetCurrent(const wxGLContext& RC) const;
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void SetCurrent();
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void SetColour(const wxChar *colour);
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void SwapBuffers();
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void OnSize(wxSizeEvent& event);
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void OnInternalIdle();
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inline wxGLContext* GetContext() const { return m_glContext; }
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// implementation
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wxGLContext *m_glContext,
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*m_sharedContext;
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wxGLCanvas *m_sharedContextOf;
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const bool m_createImplicitContext;
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void *m_vi; // actually an XVisualInfo*
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GLXFBConfig *m_fbc;
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bool m_canFreeVi;
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bool m_canFreeFBC;
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GtkWidget *m_glWidget;
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bool m_exposed;
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// returns an XVisualInfo* based on desired GL attributes;
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// returns NULL if an appropriate visual is not found. The
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// caller is reponsible for using XFree() to deallocate
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// the returned structure.
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static void* ChooseGLVisual(int *attribList);
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static void* ChooseGLFBC(int *attribList);
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static void GetGLAttribListFromWX(int *wx_attribList, int *gl_attribList );
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static void QueryGLXVersion();
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static int GetGLXVersion();
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static int m_glxVersion;
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private:
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DECLARE_EVENT_TABLE()
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DECLARE_CLASS(wxGLCanvas)
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};
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#endif
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// _WX_GLCANVAS_H_
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