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Fix creating wxGLCanvas without any attributes in wxMSW.

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This was broken by the changes of r77018, see #16402.

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

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77072 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2014-08-15 12:14:06 +00:00
parent a728a9ac15
commit 74421a7f35
1 changed files with 17 additions and 14 deletions
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31
src/msw/glcanvas.cpp
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@ -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;
}
}
}