b3f4c57077
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35048 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
728 lines
22 KiB
C++
728 lines
22 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: gtk/glcanvas.cpp
|
|
// Purpose: wxGLCanvas, for using OpenGL/Mesa with wxWidgets and GTK
|
|
// Author: Robert Roebling
|
|
// Modified by:
|
|
// Created: 17/08/98
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) Robert Roebling
|
|
// 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"
|
|
|
|
extern "C"
|
|
{
|
|
#include "gtk/gtk.h"
|
|
#include "gdk/gdk.h"
|
|
#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;
|
|
|
|
//---------------------------------------------------------------------------
|
|
// global data
|
|
//---------------------------------------------------------------------------
|
|
|
|
XVisualInfo *g_vi = (XVisualInfo*) NULL;
|
|
//-----------------------------------------------------------------------------
|
|
// idle system
|
|
//-----------------------------------------------------------------------------
|
|
|
|
extern void wxapp_install_idle_handler();
|
|
extern bool g_isIdle;
|
|
|
|
//---------------------------------------------------------------------------
|
|
// 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;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// "realize" from m_wxwindow
|
|
//-----------------------------------------------------------------------------
|
|
|
|
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 );
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// "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 );
|
|
|
|
win->m_exposed = FALSE;
|
|
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 )
|
|
{
|
|
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 );
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
// wxGlCanvas
|
|
//---------------------------------------------------------------------------
|
|
|
|
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 )
|
|
{
|
|
Create( parent, NULL, NULL, 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 )
|
|
{
|
|
Create( parent, shared, NULL, 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 )
|
|
{
|
|
Create( parent, NULL, shared, 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;
|
|
|
|
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 );
|
|
|
|
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 );
|
|
|
|
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 );
|
|
|
|
#ifndef __WXGTK20__
|
|
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "draw",
|
|
GTK_SIGNAL_FUNC(gtk_glwindow_draw_callback), (gpointer)this );
|
|
#endif
|
|
|
|
gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
|
|
GTK_SIGNAL_FUNC(gtk_glcanvas_size_callback), (gpointer)this );
|
|
|
|
#ifdef __WXGTK20__
|
|
if (gtk_check_version(2,2,0) != NULL)
|
|
#endif
|
|
{
|
|
gtk_widget_pop_visual();
|
|
gtk_widget_pop_colormap();
|
|
}
|
|
|
|
// 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 );
|
|
|
|
if (GTK_WIDGET_MAPPED(m_wxwindow))
|
|
gtk_glwindow_map_callback( m_wxwindow, this );
|
|
|
|
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 )
|
|
{
|
|
if (m_glContext)
|
|
m_glContext->SetColour( colour );
|
|
}
|
|
|
|
void wxGLCanvas::OnInternalIdle()
|
|
{
|
|
if (m_glContext && m_exposed)
|
|
{
|
|
wxPaintEvent event( GetId() );
|
|
event.SetEventObject( this );
|
|
GetEventHandler()->ProcessEvent( event );
|
|
|
|
m_exposed = FALSE;
|
|
GetUpdateRegion().Clear();
|
|
}
|
|
|
|
wxWindow::OnInternalIdle();
|
|
}
|
|
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
// wxGLApp
|
|
//---------------------------------------------------------------------------
|
|
|
|
IMPLEMENT_CLASS(wxGLApp, wxApp)
|
|
|
|
wxGLApp::~wxGLApp()
|
|
{
|
|
if (m_glFBCInfo)
|
|
XFree(m_glFBCInfo);
|
|
if (m_glVisualInfo)
|
|
XFree(m_glVisualInfo);
|
|
}
|
|
|
|
bool wxGLApp::InitGLVisual(int *attribList)
|
|
{
|
|
wxGLCanvas::QueryGLXVersion();
|
|
|
|
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);
|
|
}
|
|
else
|
|
{
|
|
// GLX <= 1.2
|
|
if (m_glVisualInfo)
|
|
XFree(m_glVisualInfo);
|
|
m_glVisualInfo = wxGLCanvas::ChooseGLVisual(attribList);
|
|
return m_glVisualInfo != NULL;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
// wxUSE_GLCANVAS
|