X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8b089c5e8c8a2140258d150ca1ce42afd3b79e1b..85b7bb3557236aa383490106f5198f9de1ef2e6e:/src/gtk/glcanvas.cpp diff --git a/src/gtk/glcanvas.cpp b/src/gtk/glcanvas.cpp index 16c1cabe06..ff037160c6 100644 --- a/src/gtk/glcanvas.cpp +++ b/src/gtk/glcanvas.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: glcanvas.cpp +// Name: gtk/glcanvas.cpp // Purpose: wxGLCanvas, for using OpenGL/Mesa with wxWindows 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__ @@ -24,7 +24,8 @@ #include "wx/module.h" #include "wx/app.h" -extern "C" { +extern "C" +{ #include "gtk/gtk.h" #include "gdk/gdk.h" #include "gdk/gdkx.h" @@ -58,16 +59,16 @@ wxGLContext::wxGLContext( bool WXUNUSED(isRGB), wxWindow *win, const wxPalette& wxGLCanvas *gc = (wxGLCanvas*) win; XVisualInfo *vi = (XVisualInfo *) gc->m_vi; - - wxCHECK_RET( vi, "invalid visual for OpenGl" ); - + + wxCHECK_RET( vi, _T("invalid visual for OpenGl") ); + m_glContext = glXCreateContext( GDK_DISPLAY(), vi, None, GL_TRUE ); - - wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" ); + + wxCHECK_RET( m_glContext, _T("Couldn't create OpenGl context") ); } -wxGLContext::wxGLContext( - bool WXUNUSED(isRGB), wxWindow *win, +wxGLContext::wxGLContext( + bool WXUNUSED(isRGB), wxWindow *win, const wxPalette& WXUNUSED(palette), const wxGLContext *other /* for sharing display lists */ ) @@ -77,26 +78,28 @@ wxGLContext::wxGLContext( 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 ); - else - m_glContext = glXCreateContext( GDK_DISPLAY(), vi, None, GL_TRUE ); - - wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" ); + + 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); } - + glXDestroyContext( GDK_DISPLAY(), m_glContext ); } @@ -111,14 +114,14 @@ void wxGLContext::SwapBuffers() void wxGLContext::SetCurrent() { - if (m_glContext) - { + 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) +void wxGLContext::SetColour(const wxChar *colour) { float r = 0.0; float g = 0.0; @@ -185,10 +188,10 @@ gtk_glwindow_map_callback( GtkWidget * WXUNUSED(widget), wxGLCanvas *win ) // "expose_event" of m_wxwindow //----------------------------------------------------------------------------- -static void +static void gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_event, wxGLCanvas *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); win->m_exposed = TRUE; @@ -203,10 +206,10 @@ gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_e // "draw" of m_wxwindow //----------------------------------------------------------------------------- -static void +static void gtk_glwindow_draw_callback( GtkWidget *WXUNUSED(widget), GdkRectangle *rect, wxGLCanvas *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); win->m_exposed = TRUE; @@ -219,7 +222,7 @@ gtk_glwindow_draw_callback( GtkWidget *WXUNUSED(widget), GdkRectangle *rect, wxG // "size_allocate" of m_wxwindow //----------------------------------------------------------------------------- -static void +static void gtk_glcanvas_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxGLCanvas *win ) { if (g_isIdle) @@ -237,120 +240,87 @@ gtk_glcanvas_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, w // 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 ) + 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, +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 ) +{ 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 ) +{ 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) { 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) + + XVisualInfo *vi = NULL; + if (wxTheApp->m_glVisualInfo != NULL) { - int data[] = { GLX_RGBA, - GLX_DOUBLEBUFFER, - GLX_DEPTH_SIZE, 1, // use largest available depth buffer - GLX_RED_SIZE, 1, - GLX_GREEN_SIZE, 1, - GLX_BLUE_SIZE, 1, - GLX_ALPHA_SIZE, 0, - None }; - attribList = (int*) data; + 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<512) ) - { - switch( attribList[arg++] ) - { - case WX_GL_RGBA: data[p++] = GLX_RGBA; break; - case WX_GL_DOUBLEBUFFER: data[p++] = GLX_DOUBLEBUFFER; break; - case WX_GL_DEPTH_SIZE: - data[p++]=GLX_DEPTH_SIZE; 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; - default: - break; - } - } - data[p] = 0; - - attribList = (int*) data; + vi = (XVisualInfo *) ChooseGLVisual(attribList); + m_canFreeVi = TRUE; } - - - 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" ); + m_vi = vi; // save for later use + + wxCHECK_MSG( m_vi, FALSE, _T("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 ); + 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 ); @@ -362,54 +332,119 @@ bool wxGLCanvas::Create( wxWindow *parent, 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) XFree( 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_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; + } + + + Display *dpy = GDK_DISPLAY(); + + return glXChooseVisual( dpy, DefaultScreen(dpy), attribList ); +} + void wxGLCanvas::SwapBuffers() { - if (m_glContext) m_glContext->SwapBuffers(); + if (m_glContext) + m_glContext->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() { - if (m_glContext) m_glContext->SetCurrent(); + if (m_glContext) + m_glContext->SetCurrent(); } -void wxGLCanvas::SetColour( const char *colour ) +void wxGLCanvas::SetColour( const wxChar *colour ) { - if (m_glContext) m_glContext->SetColour( colour ); + if (m_glContext) + m_glContext->SetColour( colour ); } void wxGLCanvas::OnInternalIdle() @@ -423,10 +458,34 @@ void wxGLCanvas::OnInternalIdle() m_exposed = FALSE; GetUpdateRegion().Clear(); } - + 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