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Do not call wglShareLists is ctxt is null

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tomaka 2015-02-23 15:37:23 +01:00
parent d147200c02
commit e04288f812
1 changed files with 1 additions and 1 deletions
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2
src/win32/init.rs
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@ -397,7 +397,7 @@ fn create_context(extra: Option<(&gl::wgl_extra::Wgl, &BuilderAttribs<'static>)>
None => {
unsafe {
let ctxt = gl::wgl::CreateContext(hdc as *const libc::c_void);
if !share.is_null() {
if !ctxt.is_null() && !share.is_null() {
gl::wgl::ShareLists(share as *const libc::c_void, ctxt);
};
ctxt