X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0f8d11dc8d12499ab82b80c86232417f434badf4..c6a6bbbf637a5a580b7ab182483d27522f5e3189:/src/gtk/glcanvas.cpp diff --git a/src/gtk/glcanvas.cpp b/src/gtk/glcanvas.cpp index 5cd38dcbbe..7ac91509dc 100644 --- a/src/gtk/glcanvas.cpp +++ b/src/gtk/glcanvas.cpp @@ -1,36 +1,47 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: glcanvas.cpp -// Purpose: wxGLCanvas, for using OpenGL/Mesa with wxWindows and GTK +// Name: src/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 +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "glcanvas.h" -#endif - -#include "wx/setup.h" +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.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" { +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 @@ -38,188 +49,144 @@ extern "C" { 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) ) +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, "invalid visual for OpenGl" ); - - m_glContext = glXCreateContext( GDK_DISPLAY(), vi, None, GL_TRUE ); - - wxCHECK_RET( m_glContext, "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, "invalid visual for OpenGl" ); - - if( other != 0 ) - m_glContext = glXCreateContext( GDK_DISPLAY(), vi, other->m_glContext, GL_TRUE ); + 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 - m_glContext = glXCreateContext( GDK_DISPLAY(), vi, None, GL_TRUE ); - - wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" ); + { + // 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()) { - glXMakeCurrent( GDK_DISPLAY(), None, NULL); + 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() +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; - glXMakeCurrent( GDK_DISPLAY(), GDK_WINDOW_XWINDOW(window), m_glContext ); - } -} - -void wxGLContext::SetColour(const char *colour) -{ - float r = 0.0; - float g = 0.0; - float b = 0.0; - wxColour *col = wxTheColourDatabase->FindColour(colour); - if (col) - { - r = (float)(col->Red()/256.0); - g = (float)(col->Green()/256.0); - b = (float)(col->Blue()/256.0); - glColor3f( r, g, b); + 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 ); } } -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 ) +gtk_glwindow_realized_callback( GtkWidget *WXUNUSED(widget), wxGLCanvas *win ) { - wxGLContext *share= win->m_sharedContext; - if (share==NULL && win->m_sharedContextOf) share=win->m_sharedContextOf->GetContext(); + 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( TRUE, win, wxNullPalette, share ); + win->m_glContext = new wxGLContext(win, 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*/) + // 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->m_exposed = false; win->GetUpdateRegion().Clear(); } return FALSE; } +} //----------------------------------------------------------------------------- // "expose_event" of m_wxwindow //----------------------------------------------------------------------------- -static void +extern "C" { +static gboolean gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_event, wxGLCanvas *win ) { - if (g_isIdle) - wxapp_install_idle_handler(); + // don't need to install idle handler, its done from "event" signal - win->m_exposed = TRUE; + win->m_exposed = true; win->GetUpdateRegion().Union( gdk_event->area.x, gdk_event->area.y, gdk_event->area.width, gdk_event->area.height ); + return false; } - -//----------------------------------------------------------------------------- -// "draw" of m_wxwindow -//----------------------------------------------------------------------------- - -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 ); } //----------------------------------------------------------------------------- // "size_allocate" of m_wxwindow //----------------------------------------------------------------------------- -static void +extern "C" { +static void gtk_glcanvas_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxGLCanvas *win ) { if (g_isIdle) @@ -232,224 +199,439 @@ gtk_glcanvas_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, w event.SetEventObject( win ); win->GetEventHandler()->ProcessEvent( event ); } +} //--------------------------------------------------------------------------- // 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() wxGLCanvas::wxGLCanvas( wxWindow *parent, wxWindowID id, - const wxPoint& pos, const wxSize& size, - long style, const wxString& name, - int *attribList, - const wxPalette& palette ) + int *attribList, + const wxPoint& pos, const wxSize& size, + long style, const wxString& name, + const wxPalette& palette ) + : m_createImplicitContext(false) { Create( parent, NULL, NULL, id, pos, size, style, name, attribList, palette ); } -wxGLCanvas::wxGLCanvas( wxWindow *parent, +wxGLCanvas::wxGLCanvas( wxWindow *parent, wxWindowID id, + const wxPoint& pos, const wxSize& size, + long style, const wxString& name, + int *attribList, + const wxPalette& palette ) + : m_createImplicitContext(true) +{ + 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 ) -{ + const wxPoint& pos, const wxSize& size, + long style, const wxString& name, + int *attribList, + const wxPalette& palette ) + : m_createImplicitContext(true) +{ Create( parent, shared, NULL, id, pos, size, style, name, attribList, palette ); } -wxGLCanvas::wxGLCanvas( wxWindow *parent, +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 ) -{ + const wxPoint& pos, const wxSize& size, + long style, const wxString& name, + int *attribList, + const wxPalette& palette ) + : m_createImplicitContext(true) +{ Create( parent, NULL, shared, id, pos, size, style, name, attribList, palette ); } -bool wxGLCanvas::Create( wxWindow *parent, +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) + const wxPoint& pos, const wxSize& size, + long style, const wxString& name, + 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_exposed = FALSE; - m_noExpose = TRUE; - m_nativeSizeEvent = TRUE; - - if (!attribList) + + 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) { - // 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; - - attribList = (int*) data; + // 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 { - int data[512], arg=0, p=0; - - while( (attribList[arg]!=0) && (p<510) ) - { - switch( attribList[arg++] ) + 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) { - 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; + visual = gdk_x11_screen_lookup_visual( screen, vi->visualid ); + colormap = gdk_colormap_new(visual, FALSE); } - } - data[p] = 0; - attribList = (int*) data; + gtk_widget_set_colormap( m_glWidget, colormap ); } - - - 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; + else +#endif + { + visual = gdkx_visual_get( vi->visualid ); + colormap = gdk_colormap_new( visual, TRUE ); + + gtk_widget_push_colormap( colormap ); + + wxWindow::Create( parent, id, pos, size, style, name ); + m_glWidget = m_wxwindow; + } + + gtk_widget_set_double_buffered( m_glWidget, FALSE ); + + g_signal_connect(m_wxwindow, "realize", G_CALLBACK(gtk_glwindow_realized_callback), this); + 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 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) XFree( vi ); - if (m_glContext) delete m_glContext; + if (vi && m_canFreeVi) + XFree( vi ); + + delete m_glContext; } -void wxGLCanvas::SwapBuffers() +void* wxGLCanvas::ChooseGLVisual(int *attribList) { - if (m_glContext) m_glContext->SwapBuffers(); + int data[512]; + GetGLAttribListFromWX( attribList, data ); + attribList = (int*) data; + + Display *dpy = GDK_DISPLAY(); + + return glXChooseVisual( dpy, DefaultScreen(dpy), attribList ); } -void wxGLCanvas::OnSize(wxSizeEvent& WXUNUSED(event)) +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() { - int width, height; - GetClientSize( &width, &height ); - - if (m_glContext && GTK_WIDGET_REALIZED(m_glWidget) ) + if (m_glxVersion == 0) { - 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); + // 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(); + if (m_glContext) + m_glContext->SetCurrent(*this); } -void wxGLCanvas::SetColour( const char *colour ) +void wxGLCanvas::SetColour( const wxChar *colour ) { - if (m_glContext) m_glContext->SetColour( 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 wxGLCanvas::OnInternalIdle() { - if (m_glContext && m_exposed) + if (/*m_glContext &&*/ m_exposed) { wxPaintEvent event( GetId() ); event.SetEventObject( this ); GetEventHandler()->ProcessEvent( event ); - m_exposed = FALSE; + 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 -