X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b8ee9a863c033bb720c4da9344c3987b4c71f38d..aa78d22e2008726218d47da1f2ac5864c11b8ebb:/src/msw/glcanvas.cpp

diff --git a/src/msw/glcanvas.cpp b/src/msw/glcanvas.cpp
index 3b635873d7..a463d64c6d 100644
--- a/src/msw/glcanvas.cpp
+++ b/src/msw/glcanvas.cpp
@@ -9,10 +9,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "glcanvas.h"
-#endif
-
 #include "wx/wxprec.h"
 
 #if defined(__BORLANDC__)
@@ -243,11 +239,6 @@ void wxGLContext::SetCurrent()
   {
     wglMakeCurrent((HDC) m_hDC, m_glContext);
   }
-
-  /*
-  setupPixelFormat(hDC);
-  setupPalette(hDC);
-  */
 }
 
 void wxGLContext::SetColour(const wxChar *colour)
@@ -476,7 +467,7 @@ void wxGLCanvas::SetupPixelFormat(int *attribList) // (HDC hDC)
         PFD_DRAW_TO_WINDOW |
         PFD_DOUBLEBUFFER,        /* support double-buffering */
         PFD_TYPE_RGBA,            /* color type */
-        16,                /* prefered color depth */
+        16,                /* preferred color depth */
         0, 0, 0, 0, 0, 0,        /* color bits (ignored) */
         0,                /* no alpha buffer */
         0,                /* alpha bits (ignored) */
@@ -586,6 +577,12 @@ void wxGLCanvas::OnSize(wxSizeEvent& WXUNUSED(event))
 
 void wxGLCanvas::SetCurrent()
 {
+  // although on MSW it works even if the window is still hidden, it doesn't
+  // under wxGTK and documentation mentions that SetCurrent() can only be
+  // called for a shown window, so check it
+  wxASSERT_MSG( GetParent()->IsShown(),
+                    _T("can't make hidden GL canvas current") );
+
   if (m_glContext)
   {
     m_glContext->SetCurrent();
@@ -785,7 +782,7 @@ bool wxGLApp::InitGLVisual(int *attribList)
         PFD_DRAW_TO_WINDOW |
         PFD_DOUBLEBUFFER,        /* support double-buffering */
         PFD_TYPE_RGBA,            /* color type */
-        16,                /* prefered color depth */
+        16,                /* preferred color depth */
         0, 0, 0, 0, 0, 0,        /* color bits (ignored) */
         0,                /* no alpha buffer */
         0,                /* alpha bits (ignored) */