X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1481968400c94128642815b6871724f118141cbc..4c0d2cd3d0c59bf0114e0e10355bff86ddb116a0:/src/gtk/glcanvas.cpp diff --git a/src/gtk/glcanvas.cpp b/src/gtk/glcanvas.cpp index c0969bd6e0..0e17b1e8a7 100644 --- a/src/gtk/glcanvas.cpp +++ b/src/gtk/glcanvas.cpp @@ -20,191 +20,32 @@ #include "wx/app.h" #include "wx/frame.h" #include "wx/colour.h" + #include "wx/module.h" #endif // WX_PRECOMP -#include "wx/module.h" - -extern "C" -{ -#include "gtk/gtk.h" -#include "gdk/gdk.h" -#include "gdk/gdkx.h" -} +#include +#include #include "wx/gtk/win_gtk.h" -#include "wx/gtk/private.h" - -// DLL options compatibility check: -#include "wx/build.h" -WX_CHECK_BUILD_OPTIONS("wxGL") - - -//--------------------------------------------------------------------------- -// static variables -//--------------------------------------------------------------------------- -int wxGLCanvas::m_glxVersion = 0; - -//--------------------------------------------------------------------------- -// global data -//--------------------------------------------------------------------------- - -XVisualInfo *g_vi = (XVisualInfo*) NULL; - -//--------------------------------------------------------------------------- -// wxGLContext -//--------------------------------------------------------------------------- - -IMPLEMENT_CLASS(wxGLContext,wxObject) - -wxGLContext::wxGLContext( bool WXUNUSED(isRGB), wxWindow *win, const wxPalette& WXUNUSED(palette) ) -{ - m_window = win; - m_widget = win->m_wxwindow; - - wxGLCanvas *gc = (wxGLCanvas*) win; - - if (wxGLCanvas::GetGLXVersion() >= 13) - { - // GLX >= 1.3 - GLXFBConfig *fbc = gc->m_fbc; - wxCHECK_RET( fbc, _T("invalid GLXFBConfig for OpenGl") ); - m_glContext = glXCreateNewContext( GDK_DISPLAY(), fbc[0], GLX_RGBA_TYPE, None, GL_TRUE ); - } - else - { - // GLX <= 1.2 - XVisualInfo *vi = (XVisualInfo *) gc->m_vi; - wxCHECK_RET( vi, _T("invalid visual for OpenGl") ); - m_glContext = glXCreateContext( GDK_DISPLAY(), vi, None, GL_TRUE ); - } - - wxCHECK_RET( m_glContext, _T("Couldn't create OpenGl context") ); -} - -wxGLContext::wxGLContext( - bool WXUNUSED(isRGB), wxWindow *win, - const wxPalette& WXUNUSED(palette), - const wxGLContext *other /* for sharing display lists */ -) -{ - m_window = win; - m_widget = win->m_wxwindow; - - wxGLCanvas *gc = (wxGLCanvas*) win; - - if (wxGLCanvas::GetGLXVersion() >= 13) - { - // GLX >= 1.3 - GLXFBConfig *fbc = gc->m_fbc; - wxCHECK_RET( fbc, _T("invalid GLXFBConfig for OpenGl") ); - m_glContext = glXCreateNewContext( GDK_DISPLAY(), fbc[0], GLX_RGBA_TYPE, - other ? other->m_glContext : None, - GL_TRUE ); - } - else - { - // GLX <= 1.2 - XVisualInfo *vi = (XVisualInfo *) gc->m_vi; - wxCHECK_RET( vi, _T("invalid visual for OpenGl") ); - m_glContext = glXCreateContext( GDK_DISPLAY(), vi, - other ? other->m_glContext : None, - GL_TRUE ); - } - - if ( !m_glContext ) - { - wxFAIL_MSG( _T("Couldn't create OpenGl context") ); - } -} - -wxGLContext::~wxGLContext() -{ - if (!m_glContext) return; - if (m_glContext == glXGetCurrentContext()) - { - if (wxGLCanvas::GetGLXVersion() >= 13) - // GLX >= 1.3 - glXMakeContextCurrent( GDK_DISPLAY(), None, None, NULL); - else - // GLX <= 1.2 - glXMakeCurrent( GDK_DISPLAY(), None, NULL); - } - - glXDestroyContext( GDK_DISPLAY(), m_glContext ); -} - -void wxGLContext::SwapBuffers() -{ - if (m_glContext) - { - GdkWindow *window = GTK_PIZZA(m_widget)->bin_window; - glXSwapBuffers( GDK_DISPLAY(), GDK_WINDOW_XWINDOW( window ) ); - } -} - -void wxGLContext::SetCurrent() -{ - if (m_glContext) - { - GdkWindow *window = GTK_PIZZA(m_widget)->bin_window; - - if (wxGLCanvas::GetGLXVersion() >= 13) - // GLX >= 1.3 - glXMakeContextCurrent( GDK_DISPLAY(), GDK_WINDOW_XWINDOW(window), - GDK_WINDOW_XWINDOW(window), m_glContext ); - else - // GLX <= 1.2 - glXMakeCurrent( GDK_DISPLAY(), GDK_WINDOW_XWINDOW(window), m_glContext ); - } -} - -void wxGLContext::SetColour(const wxChar *colour) -{ - wxColour col = wxTheColourDatabase->Find(colour); - if (col.Ok()) - { - float r = (float)(col.Red()/256.0); - float g = (float)(col.Green()/256.0); - float b = (float)(col.Blue()/256.0); - glColor3f( r, g, b); - } -} - -void wxGLContext::SetupPixelFormat() -{ -} - -void wxGLContext::SetupPalette( const wxPalette& WXUNUSED(palette) ) -{ -} - -wxPalette wxGLContext::CreateDefaultPalette() -{ - return wxNullPalette; -} +#if WXWIN_COMPATIBILITY_2_8 //----------------------------------------------------------------------------- -// "realize" from m_wxwindow +// "realize" from m_wxwindow: used to create m_glContext implicitly //----------------------------------------------------------------------------- extern "C" { static gint gtk_glwindow_realized_callback( GtkWidget *WXUNUSED(widget), wxGLCanvas *win ) { - if ( !win->m_glContext ) - { - wxGLContext *share = win->m_sharedContext; - if ( !share && win->m_sharedContextOf ) - share = win->m_sharedContextOf->GetContext(); - - win->m_glContext = new wxGLContext( TRUE, win, wxNullPalette, share ); - } + win->GTKInitImplicitContext(); return FALSE; } } +#endif // WXWIN_COMPATIBILITY_2_8 + //----------------------------------------------------------------------------- // "map" from m_wxwindow //----------------------------------------------------------------------------- @@ -213,15 +54,12 @@ extern "C" { static gint gtk_glwindow_map_callback( GtkWidget * WXUNUSED(widget), wxGLCanvas *win ) { - if (win->m_glContext/* && win->m_exposed*/) - { - wxPaintEvent event( win->GetId() ); - event.SetEventObject( win ); - win->GetEventHandler()->ProcessEvent( event ); + wxPaintEvent event( win->GetId() ); + event.SetEventObject( win ); + win->GetEventHandler()->ProcessEvent( event ); - win->m_exposed = false; - win->GetUpdateRegion().Clear(); - } + win->m_exposed = false; + win->GetUpdateRegion().Clear(); return FALSE; } @@ -232,17 +70,16 @@ gtk_glwindow_map_callback( GtkWidget * WXUNUSED(widget), wxGLCanvas *win ) //----------------------------------------------------------------------------- extern "C" { -static void +static gboolean gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_event, wxGLCanvas *win ) { - // don't need to install idle handler, its done from "event" signal - win->m_exposed = true; win->GetUpdateRegion().Union( gdk_event->area.x, gdk_event->area.y, gdk_event->area.width, gdk_event->area.height ); + return false; } } @@ -254,9 +91,6 @@ extern "C" { static void gtk_glcanvas_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxGLCanvas *win ) { - if (g_isIdle) - wxapp_install_idle_handler(); - if (!win->m_hasVMT) return; @@ -272,102 +106,86 @@ gtk_glcanvas_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, w IMPLEMENT_CLASS(wxGLCanvas, wxWindow) -BEGIN_EVENT_TABLE(wxGLCanvas, wxWindow) - EVT_SIZE(wxGLCanvas::OnSize) -END_EVENT_TABLE() - -wxGLCanvas::wxGLCanvas( wxWindow *parent, wxWindowID id, - const wxPoint& pos, const wxSize& size, - long style, const wxString& name, - int *attribList, - const wxPalette& palette ) +wxGLCanvas::wxGLCanvas(wxWindow *parent, + wxWindowID id, + const int *attribList, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name, + const wxPalette& palette) +#if WXWIN_COMPATIBILITY_2_8 + : m_createImplicitContext(false) +#endif { - Create( parent, NULL, NULL, id, pos, size, style, name, attribList, palette ); + Create(parent, id, pos, size, style, name, attribList, palette); } -wxGLCanvas::wxGLCanvas( wxWindow *parent, - const wxGLContext *shared, - wxWindowID id, - const wxPoint& pos, const wxSize& size, - long style, const wxString& name, - int *attribList, - const wxPalette& palette ) +#if WXWIN_COMPATIBILITY_2_8 + +wxGLCanvas::wxGLCanvas(wxWindow *parent, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name, + const int *attribList, + const wxPalette& palette) + : m_createImplicitContext(true) +{ + Create(parent, id, pos, size, style, name, attribList, palette); +} + +wxGLCanvas::wxGLCanvas(wxWindow *parent, + const wxGLContext *shared, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name, + const int *attribList, + const wxPalette& palette) + : m_createImplicitContext(true) { - Create( parent, shared, NULL, id, pos, size, style, name, attribList, palette ); + m_sharedContext = wx_const_cast(wxGLContext *, shared); + + Create(parent, id, pos, size, style, name, attribList, palette); } -wxGLCanvas::wxGLCanvas( wxWindow *parent, - const wxGLCanvas *shared, - wxWindowID id, - const wxPoint& pos, const wxSize& size, - long style, const wxString& name, - int *attribList, - const wxPalette& palette ) +wxGLCanvas::wxGLCanvas(wxWindow *parent, + const wxGLCanvas *shared, + wxWindowID id, + const wxPoint& pos, const wxSize& size, + long style, const wxString& name, + const int *attribList, + const wxPalette& palette ) + : m_createImplicitContext(true) { - Create( parent, NULL, shared, id, pos, size, style, name, attribList, palette ); + m_sharedContextOf = wx_const_cast(wxGLCanvas *, shared); + + Create(parent, id, pos, size, style, name, attribList, palette); } -bool wxGLCanvas::Create( wxWindow *parent, - const wxGLContext *shared, - const wxGLCanvas *shared_context_of, - wxWindowID id, - const wxPoint& pos, const wxSize& size, - long style, const wxString& name, - int *attribList, - const wxPalette& palette) -{ - m_sharedContext = (wxGLContext*)shared; // const_cast - m_sharedContextOf = (wxGLCanvas*)shared_context_of; // const_cast - m_glContext = (wxGLContext*) NULL; +#endif // WXWIN_COMPATIBILITY_2_8 +bool wxGLCanvas::Create(wxWindow *parent, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name, + const int *attribList, + const wxPalette& palette) +{ m_exposed = false; m_noExpose = true; m_nativeSizeEvent = true; - m_fbc = NULL; - m_vi = NULL; - - // to be sure the glx version is known - wxGLCanvas::QueryGLXVersion(); - if (wxGLCanvas::GetGLXVersion() >= 13) - { - // GLX >= 1.3 uses a GLXFBConfig - GLXFBConfig * fbc = NULL; - if (wxTheApp->m_glFBCInfo != NULL) - { - fbc = (GLXFBConfig *) wxTheApp->m_glFBCInfo; - m_canFreeFBC = false; // owned by wxTheApp - don't free upon destruction - } - else - { - fbc = (GLXFBConfig *) wxGLCanvas::ChooseGLFBC(attribList); - m_canFreeFBC = true; - } - m_fbc = fbc; // save for later use - wxCHECK_MSG( m_fbc, false, _T("required FBConfig couldn't be found") ); - } - - XVisualInfo *vi = NULL; - if (wxTheApp->m_glVisualInfo != NULL) - { - vi = (XVisualInfo *)wxTheApp->m_glVisualInfo; - m_canFreeVi = false; // owned by wxTheApp - don't free upon destruction - } - else - { - if (wxGLCanvas::GetGLXVersion() >= 13) - // GLX >= 1.3 - vi = glXGetVisualFromFBConfig(GDK_DISPLAY(), m_fbc[0]); - else - // GLX <= 1.2 - vi = (XVisualInfo *) ChooseGLVisual(attribList); - - m_canFreeVi = true; - } + if ( !InitVisual(attribList) ) + return false; - m_vi = vi; // save for later use + XVisualInfo * const xvi = GetXVisualInfo(); - wxCHECK_MSG( m_vi, false, _T("required visual couldn't be found") ); GdkVisual *visual; GdkColormap *colormap; @@ -383,18 +201,18 @@ bool wxGLCanvas::Create( wxWindow *parent, colormap = gdk_screen_get_default_colormap(screen); visual = gdk_colormap_get_visual(colormap); - if (GDK_VISUAL_XVISUAL(visual)->visualid != vi->visualid) + if (GDK_VISUAL_XVISUAL(visual)->visualid != xvi->visualid) { - visual = gdk_x11_screen_lookup_visual( screen, vi->visualid ); + visual = gdk_x11_screen_lookup_visual( screen, xvi->visualid ); colormap = gdk_colormap_new(visual, FALSE); } gtk_widget_set_colormap( m_glWidget, colormap ); } else -#endif +#endif // GTK+ >= 2.2 { - visual = gdkx_visual_get( vi->visualid ); + visual = gdkx_visual_get( xvi->visualid ); colormap = gdk_colormap_new( visual, TRUE ); gtk_widget_push_colormap( colormap ); @@ -405,29 +223,25 @@ bool wxGLCanvas::Create( wxWindow *parent, gtk_widget_set_double_buffered( m_glWidget, FALSE ); - g_signal_connect (m_wxwindow, "realize", - G_CALLBACK (gtk_glwindow_realized_callback), - this); - g_signal_connect (m_wxwindow, "map", - G_CALLBACK (gtk_glwindow_map_callback), - this); - g_signal_connect (m_wxwindow, "expose_event", - G_CALLBACK (gtk_glwindow_expose_callback), - this); - g_signal_connect (m_widget, "size_allocate", - G_CALLBACK (gtk_glcanvas_size_callback), - this); +#if WXWIN_COMPATIBILITY_2_8 + g_signal_connect(m_wxwindow, "realize", G_CALLBACK(gtk_glwindow_realized_callback), this); +#endif // WXWIN_COMPATIBILITY_2_8 + g_signal_connect(m_wxwindow, "map", G_CALLBACK(gtk_glwindow_map_callback), this); + g_signal_connect(m_wxwindow, "expose_event", G_CALLBACK(gtk_glwindow_expose_callback), this); + g_signal_connect(m_widget, "size_allocate", G_CALLBACK(gtk_glcanvas_size_callback), this); if (gtk_check_version(2,2,0) != NULL) { gtk_widget_pop_colormap(); } +#if WXWIN_COMPATIBILITY_2_8 // if our parent window is already visible, we had been realized before we // connected to the "realize" signal and hence our m_glContext hasn't been // initialized yet and we have to do it now if (GTK_WIDGET_REALIZED(m_wxwindow)) gtk_glwindow_realized_callback( m_wxwindow, this ); +#endif // WXWIN_COMPATIBILITY_2_8 if (GTK_WIDGET_MAPPED(m_wxwindow)) gtk_glwindow_map_callback( m_wxwindow, this ); @@ -435,196 +249,15 @@ bool wxGLCanvas::Create( wxWindow *parent, return true; } -wxGLCanvas::~wxGLCanvas() -{ - GLXFBConfig * fbc = (GLXFBConfig *) m_fbc; - if (fbc && m_canFreeFBC) - XFree( fbc ); - - XVisualInfo *vi = (XVisualInfo *) m_vi; - if (vi && m_canFreeVi) - XFree( vi ); - - delete m_glContext; -} - -void* wxGLCanvas::ChooseGLVisual(int *attribList) -{ - int data[512]; - GetGLAttribListFromWX( attribList, data ); - attribList = (int*) data; - - Display *dpy = GDK_DISPLAY(); - - return glXChooseVisual( dpy, DefaultScreen(dpy), attribList ); -} - -void* wxGLCanvas::ChooseGLFBC(int *attribList) -{ - int data[512]; - GetGLAttribListFromWX( attribList, data ); - attribList = (int*) data; - - int returned; - return glXChooseFBConfig( GDK_DISPLAY(), DefaultScreen(GDK_DISPLAY()), - attribList, &returned ); -} - - -void wxGLCanvas::GetGLAttribListFromWX(int *wx_attribList, int *gl_attribList ) -{ - if (!wx_attribList) - { - if (wxGLCanvas::GetGLXVersion() >= 13) - // leave GLX >= 1.3 choose the default attributes - gl_attribList[0] = 0; - else - { - int i = 0; - // default settings if attriblist = 0 - gl_attribList[i++] = GLX_RGBA; - gl_attribList[i++] = GLX_DOUBLEBUFFER; - gl_attribList[i++] = GLX_DEPTH_SIZE; gl_attribList[i++] = 1; - gl_attribList[i++] = GLX_RED_SIZE; gl_attribList[i++] = 1; - gl_attribList[i++] = GLX_GREEN_SIZE; gl_attribList[i++] = 1; - gl_attribList[i++] = GLX_BLUE_SIZE; gl_attribList[i++] = 1; - gl_attribList[i++] = GLX_ALPHA_SIZE; gl_attribList[i++] = 0; - gl_attribList[i++] = None; - } - } - else - { - int arg=0, p=0; - while( (wx_attribList[arg]!=0) && (p<510) ) - { - switch( wx_attribList[arg++] ) - { - case WX_GL_RGBA: - if (wxGLCanvas::GetGLXVersion() <= 12) - // for GLX >= 1.3, GLX_RGBA is useless (setting this flags will crash on most opengl implm) - gl_attribList[p++] = GLX_RGBA; - break; - case WX_GL_BUFFER_SIZE: - gl_attribList[p++] = GLX_BUFFER_SIZE; - gl_attribList[p++] = wx_attribList[arg++]; - break; - case WX_GL_LEVEL: - gl_attribList[p++] = GLX_LEVEL; - gl_attribList[p++] = wx_attribList[arg++]; - break; - case WX_GL_DOUBLEBUFFER: - if (wxGLCanvas::GetGLXVersion() <= 12) - gl_attribList[p++] = GLX_DOUBLEBUFFER; - else - // for GLX >= 1.3, GLX_DOUBLEBUFFER format is different (1 <=> True) - // it seems this flag is useless for some hardware opengl implementation. - // but for Mesa 6.2.1, this flag is used so don't ignore it. - gl_attribList[p++] = GLX_DOUBLEBUFFER; - gl_attribList[p++] = 1; - break; - case WX_GL_STEREO: - gl_attribList[p++] = GLX_STEREO; - break; - case WX_GL_AUX_BUFFERS: - gl_attribList[p++] = GLX_AUX_BUFFERS; - gl_attribList[p++] = wx_attribList[arg++]; - break; - case WX_GL_MIN_RED: - gl_attribList[p++] = GLX_RED_SIZE; - gl_attribList[p++] = wx_attribList[arg++]; - break; - case WX_GL_MIN_GREEN: - gl_attribList[p++] = GLX_GREEN_SIZE; - gl_attribList[p++] = wx_attribList[arg++]; - break; - case WX_GL_MIN_BLUE: - gl_attribList[p++] = GLX_BLUE_SIZE; - gl_attribList[p++] = wx_attribList[arg++]; - break; - case WX_GL_MIN_ALPHA: - gl_attribList[p++] = GLX_ALPHA_SIZE; - gl_attribList[p++] = wx_attribList[arg++]; - break; - case WX_GL_DEPTH_SIZE: - gl_attribList[p++] = GLX_DEPTH_SIZE; - gl_attribList[p++] = wx_attribList[arg++]; - break; - case WX_GL_STENCIL_SIZE: - gl_attribList[p++] = GLX_STENCIL_SIZE; - gl_attribList[p++] = wx_attribList[arg++]; - break; - case WX_GL_MIN_ACCUM_RED: - gl_attribList[p++] = GLX_ACCUM_RED_SIZE; - gl_attribList[p++] = wx_attribList[arg++]; - break; - case WX_GL_MIN_ACCUM_GREEN: - gl_attribList[p++] = GLX_ACCUM_GREEN_SIZE; - gl_attribList[p++] = wx_attribList[arg++]; - break; - case WX_GL_MIN_ACCUM_BLUE: - gl_attribList[p++] = GLX_ACCUM_BLUE_SIZE; - gl_attribList[p++] = wx_attribList[arg++]; - break; - case WX_GL_MIN_ACCUM_ALPHA: - gl_attribList[p++] = GLX_ACCUM_ALPHA_SIZE; - gl_attribList[p++] = wx_attribList[arg++]; - break; - default: - break; - } - } - - gl_attribList[p] = 0; - } -} - -void wxGLCanvas::QueryGLXVersion() -{ - if (m_glxVersion == 0) - { - // check the GLX version - int glxMajorVer, glxMinorVer; - bool ok = glXQueryVersion(GDK_DISPLAY(), &glxMajorVer, &glxMinorVer); - wxASSERT_MSG( ok, _T("GLX version not found") ); - if (!ok) - m_glxVersion = 10; // 1.0 by default - else - m_glxVersion = glxMajorVer*10 + glxMinorVer; - } -} - -int wxGLCanvas::GetGLXVersion() -{ - wxASSERT_MSG( m_glxVersion>0, _T("GLX version has not been initialized with wxGLCanvas::QueryGLXVersion()") ); - return m_glxVersion; -} - - -void wxGLCanvas::SwapBuffers() -{ - if (m_glContext) - m_glContext->SwapBuffers(); -} - -void wxGLCanvas::OnSize(wxSizeEvent& WXUNUSED(event)) -{ -} - -void wxGLCanvas::SetCurrent() -{ - if (m_glContext) - m_glContext->SetCurrent(); -} - -void wxGLCanvas::SetColour( const wxChar *colour ) +Window wxGLCanvas::GetXWindow() const { - if (m_glContext) - m_glContext->SetColour( colour ); + GdkWindow *window = GTK_PIZZA(m_wxwindow)->bin_window; + return window ? GDK_WINDOW_XWINDOW(window) : 0; } void wxGLCanvas::OnInternalIdle() { - if (m_glContext && m_exposed) + if (m_exposed) { wxPaintEvent event( GetId() ); event.SetEventObject( this ); @@ -637,50 +270,20 @@ void wxGLCanvas::OnInternalIdle() wxWindow::OnInternalIdle(); } +#if WXWIN_COMPATIBILITY_2_8 - -//--------------------------------------------------------------------------- -// wxGLApp -//--------------------------------------------------------------------------- - -IMPLEMENT_CLASS(wxGLApp, wxApp) - -wxGLApp::~wxGLApp() +void wxGLCanvas::GTKInitImplicitContext() { - if (m_glFBCInfo) - XFree(m_glFBCInfo); - if (m_glVisualInfo) - XFree(m_glVisualInfo); -} - -bool wxGLApp::InitGLVisual(int *attribList) -{ - wxGLCanvas::QueryGLXVersion(); - - if (wxGLCanvas::GetGLXVersion() >= 13) + if ( !m_glContext && m_createImplicitContext ) { - // GLX >= 1.3 - if (m_glFBCInfo) - XFree(m_glFBCInfo); - m_glFBCInfo = wxGLCanvas::ChooseGLFBC(attribList); + wxGLContext *share = m_sharedContext; + if ( !share && m_sharedContextOf ) + share = m_sharedContextOf->m_glContext; - if (m_glFBCInfo) - { - if (m_glVisualInfo) - XFree(m_glVisualInfo); - m_glVisualInfo = glXGetVisualFromFBConfig(GDK_DISPLAY(), ((GLXFBConfig *)m_glFBCInfo)[0]); - } - return (m_glFBCInfo != NULL) && (m_glVisualInfo != NULL); - } - else - { - // GLX <= 1.2 - if (m_glVisualInfo) - XFree(m_glVisualInfo); - m_glVisualInfo = wxGLCanvas::ChooseGLVisual(attribList); - return m_glVisualInfo != NULL; + m_glContext = new wxGLContext(this, share); } } -#endif - // wxUSE_GLCANVAS +#endif // WXWIN_COMPATIBILITY_2_8 + +#endif // wxUSE_GLCANVAS