X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6d727f6c10b6066e505e66bd22e791e1d568e0e8..2bc4cc1ead29f6de1f0576a416025edadb13d7cc:/src/gtk/glcanvas.cpp diff --git a/src/gtk/glcanvas.cpp b/src/gtk/glcanvas.cpp index 7ac91509dc..fa4825be05 100644 --- a/src/gtk/glcanvas.cpp +++ b/src/gtk/glcanvas.cpp @@ -16,148 +16,40 @@ #include "wx/glcanvas.h" -#ifndef WX_PRECOMP - #include "wx/app.h" - #include "wx/frame.h" - #include "wx/colour.h" - #include "wx/module.h" -#endif // WX_PRECOMP - -extern "C" -{ -#include "gtk/gtk.h" -#include "gdk/gdk.h" -#include "gdk/gdkx.h" -} - -#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(wxWindow* win, const wxGLContext* other) -{ - 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::SetCurrent(const wxGLCanvas& win) const -{ - if (m_glContext) - { - GdkWindow *window = GTK_PIZZA(win.m_wxwindow)->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 ); - } -} +#include +#include +#include "wx/gtk/private/gtk2-compat.h" +#if WXWIN_COMPATIBILITY_2_8 //----------------------------------------------------------------------------- -// "realize" from m_wxwindow +// "realize" from m_wxwindow: used to create m_glContext implicitly //----------------------------------------------------------------------------- extern "C" { -static gint +static void gtk_glwindow_realized_callback( GtkWidget *WXUNUSED(widget), wxGLCanvas *win ) { - if (!win->m_glContext && win->m_createImplicitContext) - { - wxGLContext *share = win->m_sharedContext; - if ( !share && win->m_sharedContextOf ) - share = win->m_sharedContextOf->GetContext(); - - win->m_glContext = new wxGLContext(win, share); - } - - return FALSE; + win->GTKInitImplicitContext(); } } +#endif // WXWIN_COMPATIBILITY_2_8 + //----------------------------------------------------------------------------- // "map" from m_wxwindow //----------------------------------------------------------------------------- extern "C" { -static gint +static void gtk_glwindow_map_callback( GtkWidget * WXUNUSED(widget), wxGLCanvas *win ) { - // CF: Can the "if" line be removed, and the code unconditionally (always) be run? - if (win->m_glContext || !win->m_createImplicitContext) - { - wxPaintEvent event( win->GetId() ); - event.SetEventObject( win ); - win->GetEventHandler()->ProcessEvent( event ); - - win->m_exposed = false; - win->GetUpdateRegion().Clear(); - } + wxPaintEvent event( win->GetId() ); + event.SetEventObject( win ); + win->HandleWindowEvent( event ); - return FALSE; + win->m_exposed = false; + win->GetUpdateRegion().Clear(); } } @@ -169,8 +61,6 @@ extern "C" { 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, @@ -187,17 +77,44 @@ gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_e extern "C" { static void -gtk_glcanvas_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxGLCanvas *win ) +gtk_glcanvas_size_callback(GtkWidget *WXUNUSED(widget), + GtkAllocation * WXUNUSED(alloc), + wxGLCanvas *win) { - if (g_isIdle) - wxapp_install_idle_handler(); - if (!win->m_hasVMT) return; wxSizeEvent event( wxSize(win->m_width,win->m_height), win->GetId() ); event.SetEventObject( win ); - win->GetEventHandler()->ProcessEvent( event ); + win->HandleWindowEvent( event ); +} +} + +//----------------------------------------------------------------------------- +// emission hook for "parent-set" +//----------------------------------------------------------------------------- + +extern "C" { +static gboolean +parent_set_hook(GSignalInvocationHint*, guint, const GValue* param_values, void* data) +{ + wxGLCanvas* win = (wxGLCanvas*)data; + if (g_value_peek_pointer(¶m_values[0]) == win->m_wxwindow) + { + const XVisualInfo* xvi = win->GetXVisualInfo(); + GdkVisual* visual = gtk_widget_get_visual(win->m_wxwindow); + if (GDK_VISUAL_XVISUAL(visual)->visualid != xvi->visualid) + { + GdkScreen* screen = gtk_widget_get_screen(win->m_wxwindow); + visual = gdk_x11_screen_lookup_visual(screen, xvi->visualid); + GdkColormap* colormap = gdk_colormap_new(visual, false); + gtk_widget_set_colormap(win->m_wxwindow, colormap); + g_object_unref(colormap); + } + // remove hook + return false; + } + return true; } } @@ -207,379 +124,137 @@ 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, - int *attribList, - const wxPoint& pos, const wxSize& size, - long style, const wxString& name, - 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, 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, NULL, NULL, id, pos, size, style, name, attribList, palette ); + m_sharedContext = NULL; + m_sharedContextOf = NULL; + + 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 ) +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 = const_cast(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_sharedContext = NULL; + m_sharedContextOf = const_cast(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) +#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_sharedContext = (wxGLContext*)shared; // const_cast - m_sharedContextOf = (wxGLCanvas*)shared_context_of; // const_cast - m_glContext = (wxGLContext*) NULL; +#if wxUSE_PALETTE + wxASSERT_MSG( !palette.IsOk(), wxT("palettes not supported") ); +#endif // wxUSE_PALETTE + wxUnusedVar(palette); // Unused when wxDEBUG_LEVEL==0 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; - } - - m_vi = vi; // save for later use - - wxCHECK_MSG( m_vi, false, _T("required visual couldn't be found") ); - GdkVisual *visual; - GdkColormap *colormap; - - // MR: This needs a fix for lower gtk+ versions too. Might need to rethink logic (FIXME) -#if defined(__WXGTK20__) && GTK_CHECK_VERSION(2,2,0) - if (!gtk_check_version(2,2,0)) - { - wxWindow::Create( parent, id, pos, size, style, name ); - - m_glWidget = m_wxwindow; - - GdkScreen *screen = gtk_widget_get_screen( m_glWidget ); - colormap = gdk_screen_get_default_colormap(screen); - visual = gdk_colormap_get_visual(colormap); - - if (GDK_VISUAL_XVISUAL(visual)->visualid != vi->visualid) - { - visual = gdk_x11_screen_lookup_visual( screen, vi->visualid ); - colormap = gdk_colormap_new(visual, FALSE); - } - gtk_widget_set_colormap( m_glWidget, colormap ); - } - else -#endif - { - visual = gdkx_visual_get( vi->visualid ); - colormap = gdk_colormap_new( visual, TRUE ); + if ( !InitVisual(attribList) ) + return false; - gtk_widget_push_colormap( colormap ); + // watch for the "parent-set" signal on m_wxwindow so we can set colormap + // before m_wxwindow is realized (which will occur before + // wxWindow::Create() returns if parent is already visible) + unsigned sig_id = g_signal_lookup("parent-set", GTK_TYPE_WIDGET); + g_signal_add_emission_hook(sig_id, 0, parent_set_hook, this, NULL); - wxWindow::Create( parent, id, pos, size, style, name ); - m_glWidget = m_wxwindow; - } + wxWindow::Create( parent, id, pos, size, style, name ); - gtk_widget_set_double_buffered( m_glWidget, FALSE ); + gtk_widget_set_double_buffered(m_wxwindow, false); +#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)) + if (gtk_widget_get_realized(m_wxwindow)) gtk_glwindow_realized_callback( m_wxwindow, this ); +#endif // WXWIN_COMPATIBILITY_2_8 - if (GTK_WIDGET_MAPPED(m_wxwindow)) + if (gtk_widget_get_mapped(m_wxwindow)) gtk_glwindow_map_callback( m_wxwindow, this ); return true; } -wxGLCanvas::~wxGLCanvas() +Window wxGLCanvas::GetXWindow() const { - 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() -{ - GdkWindow *window = GTK_PIZZA(m_wxwindow)->bin_window; - glXSwapBuffers( GDK_DISPLAY(), GDK_WINDOW_XWINDOW( window ) ); -} - -void wxGLCanvas::OnSize(wxSizeEvent& WXUNUSED(event)) -{ -} - -void wxGLCanvas::SetCurrent(const wxGLContext& RC) const -{ - RC.SetCurrent(*this); -} - -void wxGLCanvas::SetCurrent() -{ - if (m_glContext) - m_glContext->SetCurrent(*this); -} - -void wxGLCanvas::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); - } + GdkWindow* window = GTKGetDrawingWindow(); + return window ? GDK_WINDOW_XWINDOW(window) : 0; } void wxGLCanvas::OnInternalIdle() { - if (/*m_glContext &&*/ m_exposed) + if (m_exposed) { wxPaintEvent event( GetId() ); event.SetEventObject( this ); - GetEventHandler()->ProcessEvent( event ); + HandleWindowEvent( event ); m_exposed = false; GetUpdateRegion().Clear(); @@ -588,50 +263,20 @@ 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