// wxGlCanvas
//---------------------------------------------------------------------------
-IMPLEMENT_CLASS(wxGLCanvas, wxScrolledWindow)
+IMPLEMENT_CLASS(wxGLCanvas, wxWindow)
-BEGIN_EVENT_TABLE(wxGLCanvas, wxScrolledWindow)
+BEGIN_EVENT_TABLE(wxGLCanvas, wxWindow)
EVT_SIZE(wxGLCanvas::OnSize)
END_EVENT_TABLE()
int *attribList,
const wxPalette& palette)
{
- int data[512];
m_sharedContext = (wxGLContext*)shared; // const_cast
m_sharedContextOf = (wxGLCanvas*)shared_context_of; // const_cast
m_glContext = (wxGLContext*) NULL;
m_noExpose = TRUE;
m_nativeSizeEvent = TRUE;
+ 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 {
+ vi = (XVisualInfo *) ChooseGLVisual(attribList);
+ m_canFreeVi = TRUE;
+ }
+ m_vi = vi; // save for later use
+
+ wxCHECK_MSG( m_vi, FALSE, "required visual couldn't be found" );
+
+ GdkVisual *visual = gdkx_visual_get( vi->visualid );
+ GdkColormap *colormap = gdk_colormap_new( gdkx_visual_get(vi->visualid), TRUE );
+
+ gtk_widget_push_colormap( colormap );
+ gtk_widget_push_visual( visual );
+
+ wxWindow::Create( parent, id, pos, size, style, name );
+
+ m_glWidget = m_wxwindow;
+
+ gtk_pizza_set_clear( GTK_PIZZA(m_wxwindow), FALSE );
+
+ gtk_signal_connect( GTK_OBJECT(m_wxwindow), "realize",
+ GTK_SIGNAL_FUNC(gtk_glwindow_realized_callback), (gpointer) this );
+
+ gtk_signal_connect( GTK_OBJECT(m_wxwindow), "map",
+ 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_connect( GTK_OBJECT(m_wxwindow), "draw",
+ 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_widget_pop_visual();
+ gtk_widget_pop_colormap();
+
+ if (GTK_WIDGET_REALIZED(m_wxwindow))
+ gtk_glwindow_realized_callback( m_wxwindow, this );
+
+ if (GTK_WIDGET_MAPPED(m_wxwindow))
+ gtk_glwindow_map_callback( m_wxwindow, this );
+
+ return TRUE;
+}
+
+wxGLCanvas::~wxGLCanvas()
+{
+ XVisualInfo *vi = (XVisualInfo *) m_vi;
+
+ if (vi && m_canFreeVi) XFree( vi );
+ if (m_glContext) delete m_glContext;
+}
+
+void* wxGLCanvas::ChooseGLVisual(int *attribList)
+{
+ int data[512];
if (!attribList)
{
// default settings if attriblist = 0
data[0] = GLX_RGBA;
data[1] = GLX_DOUBLEBUFFER;
- data[2] = GLX_DOUBLEBUFFER;
- data[3] = GLX_DEPTH_SIZE; data[4] = 1;
- data[5] = GLX_RED_SIZE; data[6] = 1;
- data[7] = GLX_GREEN_SIZE; data[8] = 1;
- data[9] = GLX_BLUE_SIZE; data[10] = 1;
- data[11] = GLX_ALPHA_SIZE; data[12] = 0;
- data[13] = None;
+ data[2] = GLX_DEPTH_SIZE; data[3] = 1;
+ data[4] = GLX_RED_SIZE; data[5] = 1;
+ data[6] = GLX_GREEN_SIZE; data[7] = 1;
+ data[8] = GLX_BLUE_SIZE; data[9] = 1;
+ data[10] = GLX_ALPHA_SIZE; data[11] = 0;
+ data[12] = None;
attribList = (int*) data;
}
Display *dpy = GDK_DISPLAY();
- XVisualInfo *vi = glXChooseVisual( dpy, DefaultScreen(dpy), attribList );
-
- m_vi = vi; // safe for later use
-
- wxCHECK_MSG( m_vi, FALSE, "required visual couldn't be found" );
-
- GdkVisual *visual = gdkx_visual_get( vi->visualid );
- GdkColormap *colormap = gdk_colormap_new( gdkx_visual_get(vi->visualid), TRUE );
-
- gtk_widget_push_colormap( colormap );
- gtk_widget_push_visual( visual );
-
- wxScrolledWindow::Create( parent, id, pos, size, style, name );
-
- m_glWidget = m_wxwindow;
-
- gtk_pizza_set_clear( GTK_PIZZA(m_wxwindow), FALSE );
-
- gtk_signal_connect( GTK_OBJECT(m_wxwindow), "realize",
- GTK_SIGNAL_FUNC(gtk_glwindow_realized_callback), (gpointer) this );
-
- gtk_signal_connect( GTK_OBJECT(m_wxwindow), "map",
- 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_connect( GTK_OBJECT(m_wxwindow), "draw",
- 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_widget_pop_visual();
- gtk_widget_pop_colormap();
-
- return TRUE;
-}
-
-wxGLCanvas::~wxGLCanvas()
-{
- XVisualInfo *vi = (XVisualInfo *) m_vi;
-
- if (vi) XFree( vi );
- if (m_glContext) delete m_glContext;
+ return glXChooseVisual( dpy, DefaultScreen(dpy), attribList );
}
void wxGLCanvas::SwapBuffers()
void wxGLCanvas::OnSize(wxSizeEvent& WXUNUSED(event))
{
- int width, height;
- GetClientSize( &width, &height );
-
- if (m_glContext && GTK_WIDGET_REALIZED(m_glWidget) )
- {
- SetCurrent();
-
- glViewport(0, 0, (GLint)width, (GLint)height );
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 15.0 );
- glMatrixMode(GL_MODELVIEW);
- }
}
void wxGLCanvas::SetCurrent()
wxWindow::OnInternalIdle();
}
+
+
+//---------------------------------------------------------------------------
+// wxGLApp
+//---------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxGLApp, wxApp)
+
+wxGLApp::~wxGLApp()
+{
+ if (m_glVisualInfo) XFree(m_glVisualInfo);
+}
+
+bool wxGLApp::InitGLVisual(int *attribList)
+{
+ if (m_glVisualInfo) XFree(m_glVisualInfo);
+ m_glVisualInfo = wxGLCanvas::ChooseGLVisual(attribList);
+ return (m_glVisualInfo != NULL);
+}
+
#endif
// wxUSE_GLCANVAS