#include "wx/glcanvas.h"
#ifndef WX_PRECOMP
- #include "wx/log.h"
#include "wx/app.h"
#include "wx/utils.h"
#endif
-#ifdef __VMS
-# pragma message disable nosimpint
-#endif
-#include <X11/Xlib.h>
-#ifdef __VMS
-# pragma message enable nosimpint
-#endif
-#include "wx/x11/private.h"
-
-// ----------------------------------------------------------------------------
-// local functions
-// ----------------------------------------------------------------------------
-
-static inline Window wxGetClientAreaWindow(const wxWindow* win)
-{
- return (Window)win->
-#ifdef __WXMOTIF__
- GetClientXWindow();
-#else
- GetClientAreaWindow();
-#endif
-}
-
// ============================================================================
// implementation
// ============================================================================
-// ----------------------------------------------------------------------------
-// wxGLContext
-// ----------------------------------------------------------------------------
-
-IMPLEMENT_CLASS(wxGLContext, wxObject)
-
-wxGLContext::wxGLContext(wxGLCanvas *win, const wxGLContext *other)
-{
- XVisualInfo *vi = (XVisualInfo *) win->m_vi;
- wxASSERT_MSG( vi, wxT("invalid visual in wxGLCanvas") );
-
- m_glContext = glXCreateContext( (Display *)wxGetDisplay(),
- vi,
- other ? other->m_glContext : None,
- GL_TRUE);
-
- wxASSERT_MSG( m_glContext, wxT("Couldn't create OpenGL context") );
-}
-
-wxGLContext::~wxGLContext()
-{
- if (!m_glContext)
- return;
-
- if (m_glContext == glXGetCurrentContext())
- {
- glXMakeCurrent( (Display*) wxGetDisplay(), None, NULL);
- }
-
- glXDestroyContext( (Display*) wxGetDisplay(), m_glContext );
-}
-
-void wxGLContext::SetCurrent(const wxGLCanvas& win) const
-{
- if (m_glContext)
- {
- Display* display = (Display*) wxGetDisplay();
- glXMakeCurrent(display, wxGetClientAreaWindow(&win), m_glContext);
- }
-}
-
-// ----------------------------------------------------------------------------
-// wxGLCanvas
-// ----------------------------------------------------------------------------
-
IMPLEMENT_CLASS(wxGLCanvas, wxWindow)
wxGLCanvas::wxGLCanvas(wxWindow *parent,
const int *attribList,
const wxPalette& palette)
{
- m_vi = NULL;
-
if ( !wxWindow::Create(parent, id, pos, size, style, name) )
return false;
- XVisualInfo *vi, vi_templ;
- XWindowAttributes xwa;
- int val, n;
-
- Display* display = (Display*) wxGetDisplay();
-
- // Check for the presence of the GLX extension
- if(!glXQueryExtension(display, NULL, NULL))
- {
- wxLogDebug(wxT("wxGLCanvas: GLX extension is missing"));
+ if ( !InitVisual(attribList) )
return false;
- }
-
- if(attribList) {
- 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_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;
-
- // Get an appropriate visual
- vi = glXChooseVisual(display, DefaultScreen(display), data);
- if(!vi) return false;
-
- // Here we should make sure that vi is the same visual as the
- // one used by the xwindow drawable in wxCanvas. However,
- // there is currently no mechanism for this in wx_canvs.cc.
- }
- else // default attributes
- {
- // By default, we use the visual of xwindow
- XGetWindowAttributes(display, wxGetClientAreaWindow(this), &xwa);
- vi_templ.visualid = XVisualIDFromVisual(xwa.visual);
- vi = XGetVisualInfo(display, VisualIDMask, &vi_templ, &n);
- if(!vi) return false;
- glXGetConfig(display, vi, GLX_USE_GL, &val);
- if(!val) return false;
- }
-
- m_vi = vi; // safe for later use
-
- wxCHECK_MSG( m_vi, false, wxT("required visual couldn't be found") );
return true;
}
-wxGLCanvas::~wxGLCanvas()
-{
- XVisualInfo *vi = (XVisualInfo *) m_vi;
-
- if (vi)
- XFree( vi );
-}
-
-void wxGLCanvas::SwapBuffers()
+Window wxGLCanvas::GetXWindow() const
{
- glXSwapBuffers((Display *)wxGetDisplay(), wxGetClientAreaWindow(this));
+ return (Window)
+#ifdef __WXMOTIF__
+ GetClientXWindow();
+#else
+ GetClientAreaWindow();
+#endif
}
int wxGLCanvas::GetColourIndex(const wxColour& col_)
{
- wxColour& col = wx_const_cast(wxColour&, col_);
+ wxColour& col = const_cast<wxColour&>(col_);
#ifdef __WXMOTIF__
col.AllocColour(GetXDisplay());
projects / wxWidgets.git / blobdiff