X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/01a33e96707668beb5612d69d508d8556a2285a7..ae0e22dd7af3fa44819a08c21c9b478688e9d172:/src/osx/glcanvas_osx.cpp

diff --git a/src/osx/glcanvas_osx.cpp b/src/osx/glcanvas_osx.cpp
index 154d6ba4ce..56f74a7f41 100644
--- a/src/osx/glcanvas_osx.cpp
+++ b/src/osx/glcanvas_osx.cpp
@@ -145,15 +145,6 @@ bool wxGLCanvasBase::IsDisplaySupported(const int *attribList)
     return true;
 }
 
-bool wxGLCanvas::SwapBuffers()
-{
-    WXGLContext context = WXGLGetCurrentContext();
-    wxCHECK_MSG(context, false, _T("should have current context"));
-
-    WXGLSwapBuffers(context);
-    return true;
-}
-
 bool wxGLCanvasBase::IsExtensionSupported(const char *extension)
 {
     // we need a valid context to query for extensions.
@@ -162,12 +153,16 @@ bool wxGLCanvasBase::IsExtensionSupported(const char *extension)
     if ( !ctx )
         return false;
 
+    WXGLContext ctxOld = WXGLGetCurrentContext();
+    WXGLSetCurrentContext(ctx);
+
     wxString extensions = wxString::FromAscii(glGetString(GL_EXTENSIONS));
 
+    WXGLSetCurrentContext(ctxOld);
     WXGLDestroyPixelFormat(fmt);
     WXGLDestroyContext(ctx);
 
-    return IsExtensionInList(extensions, extension);
+    return IsExtensionInList(extensions.ToAscii(), extension);
 }
 
 // ----------------------------------------------------------------------------