/////////////////////////////////////////////////////////////////////////////
// Name: glcanvas.h
-// Purpose: wxGLCanvas, for using OpenGL/Mesa with wxWindows and GTK
+// Purpose: wxGLCanvas, for using OpenGL/Mesa with wxWidgets and GTK
// Author: Robert Roebling
// Modified by:
// Created: 17/8/98
// RCS-ID: $Id$
// Copyright: (c) Robert Roebling
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma interface "glcanvas.h"
-#endif
-
#ifndef _WX_GLCANVAS_H_
#define _WX_GLCANVAS_H_
-#include "wx/defs.h"
-
-#if wxUSE_GLCANVAS
-
#include "wx/scrolwin.h"
#include "wx/app.h"
#include <GL/glu.h>
}
-//---------------------------------------------------------------------------
-// Constants for attriblist
-//---------------------------------------------------------------------------
-
-enum
-{
- WX_GL_RGBA=1, /* use true color palette */
- WX_GL_BUFFER_SIZE, /* bits for buffer if not WX_GL_RGBA */
- WX_GL_LEVEL, /* 0 for main buffer, >0 for overlay, <0 for underlay */
- WX_GL_DOUBLEBUFFER, /* use doublebuffer */
- WX_GL_STEREO, /* use stereoscopic display */
- WX_GL_AUX_BUFFERS, /* number of auxiliary buffers */
- WX_GL_MIN_RED, /* use red buffer with most bits (> MIN_RED bits) */
- WX_GL_MIN_GREEN, /* use green buffer with most bits (> MIN_GREEN bits) */
- WX_GL_MIN_BLUE, /* use blue buffer with most bits (> MIN_BLUE bits) */
- WX_GL_MIN_ALPHA, /* use blue buffer with most bits (> MIN_ALPHA bits) */
- WX_GL_DEPTH_SIZE, /* bits for Z-buffer (0,16,32) */
- WX_GL_STENCIL_SIZE, /* bits for stencil buffer */
- WX_GL_MIN_ACCUM_RED, /* use red accum buffer with most bits (> MIN_ACCUM_RED bits) */
- WX_GL_MIN_ACCUM_GREEN, /* use green buffer with most bits (> MIN_ACCUM_GREEN bits) */
- WX_GL_MIN_ACCUM_BLUE, /* use blue buffer with most bits (> MIN_ACCUM_BLUE bits) */
- WX_GL_MIN_ACCUM_ALPHA /* use blue buffer with most bits (> MIN_ACCUM_ALPHA bits) */
-};
-
//---------------------------------------------------------------------------
// classes
//---------------------------------------------------------------------------
class WXDLLEXPORT wxGLContext: public wxObject
{
public:
- wxGLContext( bool isRGB, wxWindow *win, const wxPalette& palette = wxNullPalette );
- wxGLContext(
- bool WXUNUSED(isRGB), wxWindow *win,
- const wxPalette& WXUNUSED(palette),
- const wxGLContext *other /* for sharing display lists */
- );
- ~wxGLContext();
-
- void SetCurrent();
- void SetColour(const char *colour);
- void SwapBuffers();
-
- void SetupPixelFormat();
- void SetupPalette(const wxPalette& palette);
- wxPalette CreateDefaultPalette();
-
- inline wxPalette* GetPalette() const { return (wxPalette*) & m_palette; }
- inline wxWindow* GetWindow() const { return m_window; }
- inline GtkWidget* GetWidget() const { return m_widget; }
- inline GLXContext GetContext() const { return m_glContext; }
+ wxGLContext(wxWindow* win, const wxGLContext* other=NULL /* for sharing display lists */);
+ virtual ~wxGLContext();
public:
- GLXContext m_glContext;
+ // The win wxGLCanvas needs not necessarily be the same as the wxGLCanvas with which this context was created!
+ void SetCurrent(const wxGLCanvas& win) const;
+
+
+private:
+ GLXContext m_glContext;
- GtkWidget *m_widget;
- wxPalette m_palette;
- wxWindow* m_window;
-
private:
- DECLARE_CLASS(wxGLContext)
+ DECLARE_CLASS(wxGLContext)
};
//---------------------------------------------------------------------------
// wxGLCanvas
//---------------------------------------------------------------------------
-class WXDLLEXPORT wxGLCanvas: public wxScrolledWindow
+class WXDLLEXPORT wxGLCanvas: public wxWindow
{
public:
- inline wxGLCanvas() {
- m_glContext = (wxGLContext*) NULL;
- m_sharedContext = (wxGLContext*) NULL;
- m_glWidget = (GtkWidget*) NULL;
- m_vi = (void*) NULL;
- m_exposed = FALSE;
- }
- wxGLCanvas( wxWindow *parent, wxWindowID id = -1,
+ // This ctor is identical to the next, except for the fact that it
+ // doesn't create an implicit wxGLContext.
+ // The attribList parameter has been moved to avoid overload clashes.
+ wxGLCanvas( wxWindow *parent, wxWindowID id = -1,
+ int *attribList = (int*) NULL,
const wxPoint& pos = wxDefaultPosition,
- const wxSize& size = wxDefaultSize,
- long style = 0, const wxString& name = "GLCanvas",
- int *attribList = (int*) NULL,
+ const wxSize& size = wxDefaultSize,
+ long style = 0, const wxString& name = wxGLCanvasName,
const wxPalette& palette = wxNullPalette );
- wxGLCanvas( wxWindow *parent, const wxGLContext *shared = (wxGLContext *)NULL,
- wxWindowID id = -1,
+
+ wxGLCanvas( wxWindow *parent, wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition,
- const wxSize& size = wxDefaultSize,
- long style = 0, const wxString& name = "GLCanvas",
- int *attribList = (int*) NULL,
+ const wxSize& size = wxDefaultSize,
+ long style = 0, const wxString& name = wxGLCanvasName,
+ int *attribList = (int*) NULL,
const wxPalette& palette = wxNullPalette );
- wxGLCanvas( wxWindow *parent, const wxGLCanvas *shared = (wxGLCanvas *)NULL,
- wxWindowID id = -1,
+
+ wxGLCanvas( wxWindow *parent, const wxGLContext *shared,
+ wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition,
- const wxSize& size = wxDefaultSize,
- long style = 0, const wxString& name = "GLCanvas",
- int *attribList = (int*) NULL,
+ const wxSize& size = wxDefaultSize,
+ long style = 0, const wxString& name = wxGLCanvasName,
+ int *attribList = (int*) NULL,
const wxPalette& palette = wxNullPalette );
- bool Create( wxWindow *parent,
- const wxGLContext *shared = (wxGLContext*)NULL,
- const wxGLCanvas *shared_context_of = (wxGLCanvas*)NULL,
- wxWindowID id = -1,
+ wxGLCanvas( wxWindow *parent, const wxGLCanvas *shared,
+ wxWindowID id = -1,
const wxPoint& pos = wxDefaultPosition,
- const wxSize& size = wxDefaultSize,
- long style = 0, const wxString& name = "GLCanvas",
- int *attribList = (int*) NULL,
- const wxPalette& palette = wxNullPalette );
-
- ~wxGLCanvas();
+ const wxSize& size = wxDefaultSize,
+ long style = 0, const wxString& name = wxGLCanvasName,
+ int *attribList = (int*) NULL,
+ const wxPalette& palette = wxNullPalette );
+
+ bool Create( wxWindow *parent,
+ const wxGLContext *shared = (wxGLContext*)NULL,
+ const wxGLCanvas *shared_context_of = (wxGLCanvas*)NULL,
+ wxWindowID id = -1,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = 0,
+ const wxString& name = wxGLCanvasName,
+ int *attribList = (int*) NULL,
+ const wxPalette& palette = wxNullPalette );
+ virtual ~wxGLCanvas();
+
+ void SetCurrent(const wxGLContext& RC) const;
void SetCurrent();
- void SetColour(const char *colour);
+ void SetColour(const wxChar *colour);
void SwapBuffers();
void OnSize(wxSizeEvent& event);
-
+
void OnInternalIdle();
- inline wxGLContext* GetContext() const { return m_glContext; }
+ inline wxGLContext* GetContext() const { return m_glContext; }
// implementation
-
+
wxGLContext *m_glContext,
*m_sharedContext;
wxGLCanvas *m_sharedContextOf;
+ const bool m_createImplicitContext;
void *m_vi; // actually an XVisualInfo*
+ GLXFBConfig *m_fbc;
bool m_canFreeVi;
+ bool m_canFreeFBC;
GtkWidget *m_glWidget;
bool m_exposed;
-
+
// returns an XVisualInfo* based on desired GL attributes;
// returns NULL if an appropriate visual is not found. The
- // caller is reponsible for using XFree() to deallocate
+ // caller is reponsible for using XFree() to deallocate
// the returned structure.
static void* ChooseGLVisual(int *attribList);
+ static void* ChooseGLFBC(int *attribList);
+ static void GetGLAttribListFromWX(int *wx_attribList, int *gl_attribList );
+ static void QueryGLXVersion();
+ static int GetGLXVersion();
+ static int m_glxVersion;
+
private:
DECLARE_EVENT_TABLE()
DECLARE_CLASS(wxGLCanvas)
};
-
-//---------------------------------------------------------------------------
-// wxGLApp
-//---------------------------------------------------------------------------
-
-class WXDLLEXPORT wxGLApp: public wxApp
-{
-public:
- wxGLApp() : wxApp() { }
- ~wxGLApp();
-
- // use this in the constructor of the user-derived wxGLApp class to select
- // an appropriate X visual for GL. Returns TRUE if an appropriate visual
- // is found - and sets m_glVisualInfo; FALSE otherwise.
- bool InitGLVisual(int *attribList);
-
-private:
- DECLARE_DYNAMIC_CLASS(wxGLApp)
-};
-
-
-#endif
- // wxUSE_GLCANVAS
-
#endif
// _WX_GLCANVAS_H_