/////////////////////////////////////////////////////////////////////////////
-// Name: gtk/glcanvas.cpp
+// Name: src/gtk1/glcanvas.cpp
// Purpose: wxGLCanvas, for using OpenGL/Mesa with wxWidgets and GTK
// Author: Robert Roebling
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "glcanvas.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#include "wx/setup.h"
-
#if wxUSE_GLCANVAS
#include "wx/glcanvas.h"
-#include "wx/frame.h"
-#include "wx/colour.h"
-#include "wx/module.h"
-#include "wx/app.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 "gdk/gdkx.h"
}
-#include "wx/gtk/win_gtk.h"
-
-// DLL options compatibility check:
-#include "wx/build.h"
-WX_CHECK_BUILD_OPTIONS("wxGL")
-
-
-//---------------------------------------------------------------------------
-// static variables
-//---------------------------------------------------------------------------
-int wxGLCanvas::m_glxVersion = 0;
+#include "wx/gtk1/win_gtk.h"
+#include "wx/gtk1/private.h"
//---------------------------------------------------------------------------
// global data
//---------------------------------------------------------------------------
XVisualInfo *g_vi = (XVisualInfo*) NULL;
+
//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------
extern void wxapp_install_idle_handler();
extern bool g_isIdle;
+// ----------------------------------------------------------------------------
+// helper functions
+// ----------------------------------------------------------------------------
+
+// wrapper around glXMakeContextCurrent/glXMakeCurrent depending on GLX
+// version
+static void wxMakeContextCurrent(GLXDrawable drawable, GLXContext context)
+{
+ if (wxGLCanvas::GetGLXVersion() >= 13)
+ glXMakeContextCurrent( GDK_DISPLAY(), drawable, drawable, context);
+ else // GLX <= 1.2 doesn't have glXMakeContextCurrent()
+ glXMakeCurrent( GDK_DISPLAY(), drawable, context);
+}
+
//---------------------------------------------------------------------------
// 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 */
-)
+wxGLContext::wxGLContext(wxWindow* win, const wxGLContext* other)
{
- 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
+ else // GLX <= 1.2
{
- // GLX <= 1.2
XVisualInfo *vi = (XVisualInfo *) gc->m_vi;
wxCHECK_RET( vi, _T("invalid visual for OpenGl") );
m_glContext = glXCreateContext( GDK_DISPLAY(), vi,
GL_TRUE );
}
- if ( !m_glContext )
- {
- wxFAIL_MSG( _T("Couldn't create OpenGl context") );
- }
+ wxASSERT_MSG( m_glContext, _T("Couldn't create OpenGl context") );
}
wxGLContext::~wxGLContext()
{
- if (!m_glContext) return;
+ 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);
- }
+ if ( m_glContext == glXGetCurrentContext() )
+ wxMakeContextCurrent(None, NULL);
glXDestroyContext( GDK_DISPLAY(), m_glContext );
}
-void wxGLContext::SwapBuffers()
+void wxGLContext::SetCurrent(const wxGLCanvas& win) const
{
- 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 );
- }
-}
+ if ( !m_glContext )
+ return;
-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);
- }
-}
+ GdkWindow *window = GTK_PIZZA(win.m_wxwindow)->bin_window;
+ wxCHECK_RET( window, _T("window must be shown") );
-void wxGLContext::SetupPixelFormat()
-{
+ wxMakeContextCurrent(GDK_WINDOW_XWINDOW(window), m_glContext);
}
-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
//-----------------------------------------------------------------------------
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->GetUpdateRegion().Clear();
return FALSE;
}
if (g_isIdle)
wxapp_install_idle_handler();
- win->m_exposed = TRUE;
-
win->GetUpdateRegion().Union( gdk_event->area.x,
gdk_event->area.y,
gdk_event->area.width,
// "draw" of m_wxwindow
//-----------------------------------------------------------------------------
-#ifndef __WXGTK20__
extern "C" {
static void
gtk_glwindow_draw_callback( GtkWidget *WXUNUSED(widget), GdkRectangle *rect, wxGLCanvas *win )
if (g_isIdle)
wxapp_install_idle_handler();
- win->m_exposed = TRUE;
-
win->GetUpdateRegion().Union( rect->x, rect->y,
rect->width, rect->height );
}
}
-#endif
//-----------------------------------------------------------------------------
// "size_allocate" of m_wxwindow
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, shared, NULL, id, pos, size, style, name, attribList, palette );
+ 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 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, NULL, shared, id, pos, size, style, name, attribList, palette );
+ m_sharedContext = wx_const_cast(wxGLContext *, 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)
+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)
{
- m_sharedContext = (wxGLContext*)shared; // const_cast
- m_sharedContextOf = (wxGLCanvas*)shared_context_of; // const_cast
- m_glContext = (wxGLContext*) NULL;
+ m_sharedContextOf = wx_const_cast(wxGLCanvas *, shared);
- m_exposed = FALSE;
- m_noExpose = TRUE;
- m_nativeSizeEvent = TRUE;
+ Create(parent, id, pos, size, style, name, attribList, 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_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
if (wxTheApp->m_glFBCInfo != NULL)
{
fbc = (GLXFBConfig *) wxTheApp->m_glFBCInfo;
- m_canFreeFBC = FALSE; // owned by wxTheApp - don't free upon destruction
+ m_canFreeFBC = false; // owned by wxTheApp - don't free upon destruction
}
else
{
fbc = (GLXFBConfig *) wxGLCanvas::ChooseGLFBC(attribList);
- m_canFreeFBC = TRUE;
+ m_canFreeFBC = true;
}
m_fbc = fbc; // save for later use
- wxCHECK_MSG( m_fbc, FALSE, _T("required FBConfig couldn't be found") );
+ 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
+ m_canFreeVi = false; // owned by wxTheApp - don't free upon destruction
}
else
{
// GLX <= 1.2
vi = (XVisualInfo *) ChooseGLVisual(attribList);
- m_canFreeVi = TRUE;
+ m_canFreeVi = true;
}
m_vi = vi; // save for later use
- wxCHECK_MSG( m_vi, FALSE, _T("required visual couldn't be found") );
+ 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 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 );
+ visual = gdkx_visual_get( vi->visualid );
+ colormap = gdk_colormap_new( visual, TRUE );
- gtk_widget_push_colormap( colormap );
- gtk_widget_push_visual( visual );
+ gtk_widget_push_colormap( colormap );
+ gtk_widget_push_visual( visual );
- wxWindow::Create( parent, id, pos, size, style, name );
- m_glWidget = m_wxwindow;
- }
-
-#ifdef __WXGTK20__
- gtk_widget_set_double_buffered( m_glWidget, FALSE );
-#endif
+ wxWindow::Create( parent, id, pos, size, style, name );
+ m_glWidget = m_wxwindow;
gtk_pizza_set_clear( GTK_PIZZA(m_wxwindow), FALSE );
+#if WXWIN_COMPATIBILITY_2_8
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "realize",
- GTK_SIGNAL_FUNC(gtk_glwindow_realized_callback), (gpointer) this );
+ GTK_SIGNAL_FUNC(gtk_glwindow_realized_callback), (gpointer) this);
+#endif // WXWIN_COMPATIBILITY_2_8
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "map",
- GTK_SIGNAL_FUNC(gtk_glwindow_map_callback), (gpointer) this );
+ GTK_SIGNAL_FUNC(gtk_glwindow_map_callback), (gpointer) this);
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "expose_event",
- GTK_SIGNAL_FUNC(gtk_glwindow_expose_callback), (gpointer)this );
+ GTK_SIGNAL_FUNC(gtk_glwindow_expose_callback), (gpointer) this);
-#ifndef __WXGTK20__
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "draw",
- GTK_SIGNAL_FUNC(gtk_glwindow_draw_callback), (gpointer)this );
-#endif
+ GTK_SIGNAL_FUNC(gtk_glwindow_draw_callback), (gpointer) this);
gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
- GTK_SIGNAL_FUNC(gtk_glcanvas_size_callback), (gpointer)this );
+ GTK_SIGNAL_FUNC(gtk_glcanvas_size_callback), (gpointer) this);
- if (gtk_check_version(2,2,0) != NULL)
- {
- gtk_widget_pop_visual();
- gtk_widget_pop_colormap();
- }
+ gtk_widget_pop_visual();
+ 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 );
- return TRUE;
+ return true;
}
wxGLCanvas::~wxGLCanvas()
XVisualInfo *vi = (XVisualInfo *) m_vi;
if (vi && m_canFreeVi)
XFree( vi );
-
- delete m_glContext;
}
-void* wxGLCanvas::ChooseGLVisual(int *attribList)
+void* wxGLCanvas::ChooseGLVisual(const int *attribList)
{
int data[512];
GetGLAttribListFromWX( attribList, data );
- attribList = (int*) data;
Display *dpy = GDK_DISPLAY();
- return glXChooseVisual( dpy, DefaultScreen(dpy), attribList );
+ return glXChooseVisual( dpy, DefaultScreen(dpy), data );
}
-void* wxGLCanvas::ChooseGLFBC(int *attribList)
+void* wxGLCanvas::ChooseGLFBC(const int *attribList)
{
int data[512];
GetGLAttribListFromWX( attribList, data );
- attribList = (int*) data;
int returned;
return glXChooseFBConfig( GDK_DISPLAY(), DefaultScreen(GDK_DISPLAY()),
- attribList, &returned );
+ data, &returned );
}
-void wxGLCanvas::GetGLAttribListFromWX(int *wx_attribList, int *gl_attribList )
+void
+wxGLCanvas::GetGLAttribListFromWX(const int *wx_attribList, int *gl_attribList)
{
- if (!wx_attribList)
+ if ( !wx_attribList )
{
if (wxGLCanvas::GetGLXVersion() >= 13)
- // leave GLX >= 1.3 choose the default attributes
+ {
+ // leave GLX >= 1.3 choose the default attributes
gl_attribList[0] = 0;
- else
+ }
+ else // GLX < 1.3
{
int i = 0;
// default settings if attriblist = 0
gl_attribList[i++] = None;
}
}
- else
+ else // have non-default attributes
{
int arg=0, p=0;
while( (wx_attribList[arg]!=0) && (p<510) )
{
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_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++] = GLX_DOUBLEBUFFER;
gl_attribList[p++] = 1;
break;
case WX_GL_STEREO:
}
}
-void wxGLCanvas::QueryGLXVersion()
+/* static */
+int wxGLCanvas::GetGLXVersion()
{
- if (m_glxVersion == 0)
+ static int s_glxVersion = 0;
+ if ( s_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
+ s_glxVersion = 10; // 1.0 by default
else
- m_glxVersion = glxMajorVer*10 + glxMinorVer;
+ s_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;
+ return s_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 )
-{
- if (m_glContext)
- m_glContext->SetColour( colour );
+ GdkWindow *window = GTK_PIZZA(m_wxwindow)->bin_window;
+ glXSwapBuffers( GDK_DISPLAY(), GDK_WINDOW_XWINDOW( window ) );
}
void wxGLCanvas::OnInternalIdle()
{
- if (m_glContext && m_exposed)
+ if (!m_updateRegion.IsEmpty())
{
wxPaintEvent event( GetId() );
event.SetEventObject( this );
GetEventHandler()->ProcessEvent( event );
- m_exposed = FALSE;
GetUpdateRegion().Clear();
}
wxWindow::OnInternalIdle();
}
+#if WXWIN_COMPATIBILITY_2_8
+void wxGLCanvas::GTKInitImplicitContext()
+{
+ if ( !m_glContext && m_createImplicitContext )
+ {
+ wxGLContext *share = m_sharedContext;
+ if ( !share && m_sharedContextOf )
+ share = m_sharedContextOf->m_glContext;
+
+ m_glContext = new wxGLContext(this, share);
+ }
+}
+
+#endif // WXWIN_COMPATIBILITY_2_8
//---------------------------------------------------------------------------
// wxGLApp
//---------------------------------------------------------------------------
-IMPLEMENT_CLASS(wxGLApp, wxApp)
-
-wxGLApp::~wxGLApp()
+bool wxGLApp::InitGLVisual(const int *attribList)
{
- if (m_glFBCInfo)
- XFree(m_glFBCInfo);
- if (m_glVisualInfo)
- XFree(m_glVisualInfo);
-}
-
-bool wxGLApp::InitGLVisual(int *attribList)
-{
- wxGLCanvas::QueryGLXVersion();
-
- if (wxGLCanvas::GetGLXVersion() >= 13)
+ if ( wxGLCanvas::GetGLXVersion() >= 13 )
{
- // GLX >= 1.3
if (m_glFBCInfo)
XFree(m_glFBCInfo);
m_glFBCInfo = wxGLCanvas::ChooseGLFBC(attribList);
- 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);
+ if ( !m_glFBCInfo )
+ return false;
+
+ if (m_glVisualInfo)
+ XFree(m_glVisualInfo);
+ m_glVisualInfo = glXGetVisualFromFBConfig(GDK_DISPLAY(), ((GLXFBConfig *)m_glFBCInfo)[0]);
}
- else
+ else // GLX <= 1.2
{
- // GLX <= 1.2
if (m_glVisualInfo)
XFree(m_glVisualInfo);
m_glVisualInfo = wxGLCanvas::ChooseGLVisual(attribList);
- return m_glVisualInfo != NULL;
}
+
+ return m_glVisualInfo != NULL;
}
-#endif
- // wxUSE_GLCANVAS
+#endif // wxUSE_GLCANVAS
projects / wxWidgets.git / blobdiff