X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/aff5d5914862b922437c73e503af463f511a1fad..0bd3b8eca1d6ef2749797f34216493fce0edd8d6:/src/gtk/glcanvas.cpp diff --git a/src/gtk/glcanvas.cpp b/src/gtk/glcanvas.cpp index 92871b73f4..e5f769403b 100644 --- a/src/gtk/glcanvas.cpp +++ b/src/gtk/glcanvas.cpp @@ -1,18 +1,21 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: glcanvas.cpp -// Purpose: wxGLCanvas, for using OpenGL/Mesa with wxWindows and GTK +// 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 +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#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 @@ -24,7 +27,8 @@ #include "wx/module.h" #include "wx/app.h" -extern "C" { +extern "C" +{ #include "gtk/gtk.h" #include "gdk/gdk.h" #include "gdk/gdkx.h" @@ -32,6 +36,10 @@ extern "C" { #include "wx/gtk/win_gtk.h" +// DLL options compatibility check: +#include "wx/build.h" +WX_CHECK_BUILD_OPTIONS("wxGL") + //--------------------------------------------------------------------------- // global data //--------------------------------------------------------------------------- @@ -58,16 +66,16 @@ 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 +85,28 @@ 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 ); } @@ -111,24 +121,21 @@ 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; - float b = 0.0; - wxColour *col = wxTheColourDatabase->FindColour(colour); - if (col) + wxColour col = wxTheColourDatabase->Find(colour); + if (col.Ok()) { - r = (float)(col->Red()/256.0); - g = (float)(col->Green()/256.0); - b = (float)(col->Blue()/256.0); + 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); } } @@ -153,10 +160,16 @@ wxPalette wxGLContext::CreateDefaultPalette() static gint 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(); + // 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->m_glContext = new wxGLContext( TRUE, win, wxNullPalette, share ); + } return FALSE; } @@ -185,10 +198,10 @@ 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 +216,11 @@ gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_e // "draw" of m_wxwindow //----------------------------------------------------------------------------- -static void +#ifndef __WXGTK20__ +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; @@ -214,12 +228,13 @@ gtk_glwindow_draw_callback( GtkWidget *WXUNUSED(widget), GdkRectangle *rect, wxG win->GetUpdateRegion().Union( rect->x, rect->y, rect->width, rect->height ); } +#endif //----------------------------------------------------------------------------- // "size_allocate" of m_wxwindow //----------------------------------------------------------------------------- -static void +static void gtk_glcanvas_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxGLCanvas *win ) { if (g_isIdle) @@ -237,61 +252,131 @@ 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) { - 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; - + + 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, _T("required visual couldn't be found") ); + + GdkVisual *visual = gdkx_visual_get( vi->visualid ); + GdkColormap *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 ); + + 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 ); + delete m_glContext; +} + +void* wxGLCanvas::ChooseGLVisual(int *attribList) +{ + int data[512]; if (!attribList) { // default settings if attriblist = 0 @@ -304,12 +389,12 @@ bool wxGLCanvas::Create( wxWindow *parent, data[10] = GLX_ALPHA_SIZE; data[11] = 0; data[12] = None; - attribList = (int*) data; + attribList = (int*) data; } else { int arg=0, p=0; - + while( (attribList[arg]!=0) && (p<510) ) { switch( attribList[arg++] ) @@ -331,9 +416,9 @@ bool wxGLCanvas::Create( wxWindow *parent, 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: + case WX_GL_DEPTH_SIZE: data[p++]=GLX_DEPTH_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_STENCIL_SIZE: + 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; @@ -346,92 +431,38 @@ bool wxGLCanvas::Create( wxWindow *parent, default: break; } - } - data[p] = 0; + } + data[p] = 0; 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; -} + Display *dpy = GDK_DISPLAY(); -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() { - 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() @@ -445,10 +476,34 @@ 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