Fix creating wxGLCanvas without any attributes in wxMSW

This was broken by the changes of
f0e67ed517, see #16402.

Just check that we do have the attributes before examining them.

(cherry picked from commit 74421a7f35)
This commit is contained in:
Vadim Zeitlin
2014-08-15 12:14:06 +00:00
committed by Dimitri Schoolwerth
parent 12d9c4ea9d
commit 8675f35fc8

View File

@@ -321,25 +321,28 @@ bool wxGLCanvas::Create(wxWindow *parent,
glVersionMinor = 0;
// Check for a core profile request
for ( int i = 0; attribList[i]; )
if ( attribList )
{
switch ( attribList[i++] )
for ( int i = 0; attribList[i]; )
{
case WX_GL_CORE_PROFILE:
useGLCoreProfile = true;
break;
switch ( attribList[i++] )
{
case WX_GL_CORE_PROFILE:
useGLCoreProfile = true;
break;
case WX_GL_MAJOR_VERSION:
glVersionMajor = attribList[i++];
break;
case WX_GL_MAJOR_VERSION:
glVersionMajor = attribList[i++];
break;
case WX_GL_MINOR_VERSION:
glVersionMinor = attribList[i++];
break;
case WX_GL_MINOR_VERSION:
glVersionMinor = attribList[i++];
break;
default:
// ignore all other flags for now
break;
default:
// ignore all other flags for now
break;
}
}
}