/////////////////////////////////////////////////////////////////////////////
-// 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")
+#include "wx/gtk1/win_gtk.h"
+#include "wx/gtk1/private.h"
//---------------------------------------------------------------------------
// global data
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) )
+wxGLContext::wxGLContext(wxWindow* win, const wxGLContext* other)
{
- m_window = win;
- m_widget = win->m_wxwindow;
-
- wxGLCanvas *gc = (wxGLCanvas*) win;
- 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;
- 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 )
+ if (wxGLCanvas::GetGLXVersion() >= 13)
+ {
+ 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
{
- wxFAIL_MSG( _T("Couldn't create OpenGl context") );
+ 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 );
}
+
+ wxASSERT_MSG( m_glContext, _T("Couldn't create OpenGl context") );
}
wxGLContext::~wxGLContext()
{
- if (!m_glContext) return;
+ if ( !m_glContext )
+ return;
- if (m_glContext == glXGetCurrentContext())
- {
- glXMakeCurrent( GDK_DISPLAY(), None, NULL);
- }
+ if ( m_glContext == glXGetCurrentContext() )
+ wxMakeContextCurrent(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()
+void wxGLContext::SetCurrent(const wxGLCanvas& win) const
{
- if (m_glContext)
- {
- GdkWindow *window = GTK_PIZZA(m_widget)->bin_window;
- 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 )
+gtk_glwindow_realized_callback( GtkWidget *WXUNUSED(widget), wxGLCanvas *win )
{
- // VZ: apparently in some cases we're called twice -- no idea why,
- // but a check doesn't hurt
- 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
//-----------------------------------------------------------------------------
+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->GetUpdateRegion().Clear();
return FALSE;
}
+}
//-----------------------------------------------------------------------------
// "expose_event" of m_wxwindow
//-----------------------------------------------------------------------------
+extern "C" {
static void
gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_event, wxGLCanvas *win )
{
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,
gdk_event->area.height );
}
+}
//-----------------------------------------------------------------------------
// "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
//-----------------------------------------------------------------------------
+extern "C" {
static void
gtk_glcanvas_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxGLCanvas *win )
{
event.SetEventObject( win );
win->GetEventHandler()->ProcessEvent( event );
}
+}
//---------------------------------------------------------------------------
// wxGlCanvas
IMPLEMENT_CLASS(wxGLCanvas, wxWindow)
-BEGIN_EVENT_TABLE(wxGLCanvas, wxWindow)
- EVT_SIZE(wxGLCanvas::OnSize)
-END_EVENT_TABLE()
+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, 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 );
+ 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 = 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)
+#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;
+ m_noExpose = true;
+ m_nativeSizeEvent = true;
+ m_fbc = NULL;
+ m_vi = NULL;
- m_exposed = FALSE;
- m_noExpose = TRUE;
- m_nativeSizeEvent = TRUE;
+ 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
+ vi = (XVisualInfo *)wxTheApp->m_glVisualInfo;
+ m_canFreeVi = false; // owned by wxTheApp - don't free upon destruction
}
else
{
- vi = (XVisualInfo *) ChooseGLVisual(attribList);
- m_canFreeVi = TRUE;
+ 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") );
+ wxCHECK_MSG( m_vi, false, _T("required visual couldn't be found") );
+ GdkVisual *visual;
+ GdkColormap *colormap;
- GdkVisual *visual = gdkx_visual_get( vi->visualid );
- GdkColormap *colormap = gdk_colormap_new( gdkx_visual_get(vi->visualid), TRUE );
+ visual = gdkx_visual_get( vi->visualid );
+ colormap = gdk_colormap_new( visual, TRUE );
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
-
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);
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;
+ GLXFBConfig * fbc = (GLXFBConfig *) m_fbc;
+ if (fbc && m_canFreeFBC)
+ XFree( fbc );
- if (vi && m_canFreeVi) XFree( vi );
- delete m_glContext;
+ XVisualInfo *vi = (XVisualInfo *) m_vi;
+ if (vi && m_canFreeVi)
+ XFree( vi );
}
-void* wxGLCanvas::ChooseGLVisual(int *attribList)
+void* wxGLCanvas::ChooseGLVisual(const int *attribList)
{
int data[512];
- if (!attribList)
- {
- // default settings if attriblist = 0
- data[0] = GLX_RGBA;
- data[1] = GLX_DOUBLEBUFFER;
- 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;
- }
- else
- {
- int arg=0, p=0;
-
- while( (attribList[arg]!=0) && (p<510) )
- {
- switch( attribList[arg++] )
- {
- case WX_GL_RGBA: data[p++] = GLX_RGBA; break;
- case WX_GL_BUFFER_SIZE:
- data[p++]=GLX_BUFFER_SIZE; data[p++]=attribList[arg++]; break;
- case WX_GL_LEVEL:
- data[p++]=GLX_LEVEL; data[p++]=attribList[arg++]; break;
- case WX_GL_DOUBLEBUFFER: data[p++] = GLX_DOUBLEBUFFER; break;
- case WX_GL_STEREO: data[p++] = GLX_STEREO; break;
- case WX_GL_AUX_BUFFERS:
- data[p++]=GLX_AUX_BUFFERS; data[p++]=attribList[arg++]; break;
- case WX_GL_MIN_RED:
- data[p++]=GLX_RED_SIZE; data[p++]=attribList[arg++]; break;
- case WX_GL_MIN_GREEN:
- data[p++]=GLX_GREEN_SIZE; data[p++]=attribList[arg++]; break;
- case WX_GL_MIN_BLUE:
- data[p++]=GLX_BLUE_SIZE; data[p++]=attribList[arg++]; break;
- case WX_GL_MIN_ALPHA:
- data[p++]=GLX_ALPHA_SIZE; data[p++]=attribList[arg++]; break;
- case WX_GL_DEPTH_SIZE:
- data[p++]=GLX_DEPTH_SIZE; data[p++]=attribList[arg++]; break;
- case WX_GL_STENCIL_SIZE:
- data[p++]=GLX_STENCIL_SIZE; data[p++]=attribList[arg++]; break;
- case WX_GL_MIN_ACCUM_RED:
- data[p++]=GLX_ACCUM_RED_SIZE; data[p++]=attribList[arg++]; break;
- case WX_GL_MIN_ACCUM_GREEN:
- data[p++]=GLX_ACCUM_GREEN_SIZE; data[p++]=attribList[arg++]; break;
- case WX_GL_MIN_ACCUM_BLUE:
- data[p++]=GLX_ACCUM_BLUE_SIZE; data[p++]=attribList[arg++]; break;
- case WX_GL_MIN_ACCUM_ALPHA:
- data[p++]=GLX_ACCUM_ALPHA_SIZE; data[p++]=attribList[arg++]; break;
- default:
- break;
- }
- }
- data[p] = 0;
-
- attribList = (int*) data;
- }
-
+ GetGLAttribListFromWX( attribList, data );
Display *dpy = GDK_DISPLAY();
- return glXChooseVisual( dpy, DefaultScreen(dpy), attribList );
+ return glXChooseVisual( dpy, DefaultScreen(dpy), data );
}
-void wxGLCanvas::SwapBuffers()
+void* wxGLCanvas::ChooseGLFBC(const int *attribList)
{
- if (m_glContext)
- m_glContext->SwapBuffers();
+ int data[512];
+ GetGLAttribListFromWX( attribList, data );
+
+ int returned;
+ return glXChooseFBConfig( GDK_DISPLAY(), DefaultScreen(GDK_DISPLAY()),
+ data, &returned );
}
-void wxGLCanvas::OnSize(wxSizeEvent& WXUNUSED(event))
+
+void
+wxGLCanvas::GetGLAttribListFromWX(const 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 // GLX < 1.3
+ {
+ 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 // have non-default attributes
+ {
+ 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:
+ 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::SetCurrent()
+/* static */
+int wxGLCanvas::GetGLXVersion()
{
- if (m_glContext)
- m_glContext->SetCurrent();
+ 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)
+ s_glxVersion = 10; // 1.0 by default
+ else
+ s_glxVersion = glxMajorVer*10 + glxMinorVer;
+ }
+
+ return s_glxVersion;
}
-void wxGLCanvas::SetColour( const wxChar *colour )
+void wxGLCanvas::SwapBuffers()
{
- 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_glVisualInfo)
- XFree(m_glVisualInfo);
-}
+ if ( wxGLCanvas::GetGLXVersion() >= 13 )
+ {
+ if (m_glFBCInfo)
+ XFree(m_glFBCInfo);
+ m_glFBCInfo = wxGLCanvas::ChooseGLFBC(attribList);
-bool wxGLApp::InitGLVisual(int *attribList)
-{
- if (m_glVisualInfo)
- XFree(m_glVisualInfo);
+ if ( !m_glFBCInfo )
+ return false;
- m_glVisualInfo = wxGLCanvas::ChooseGLVisual(attribList);
+ if (m_glVisualInfo)
+ XFree(m_glVisualInfo);
+ m_glVisualInfo = glXGetVisualFromFBConfig(GDK_DISPLAY(), ((GLXFBConfig *)m_glFBCInfo)[0]);
+ }
+ else // GLX <= 1.2
+ {
+ if (m_glVisualInfo)
+ XFree(m_glVisualInfo);
+ m_glVisualInfo = wxGLCanvas::ChooseGLVisual(attribList);
+ }
return m_glVisualInfo != NULL;
}
-#endif
- // wxUSE_GLCANVAS
-
+#endif // wxUSE_GLCANVAS