diff options
Diffstat (limited to 'src/api/wgl')
| -rw-r--r-- | src/api/wgl/mod.rs | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/src/api/wgl/mod.rs b/src/api/wgl/mod.rs index cf09ad0..222620c 100644 --- a/src/api/wgl/mod.rs +++ b/src/api/wgl/mod.rs @@ -216,7 +216,7 @@ unsafe fn create_context(extra: Option<(&gl::wgl_extra::Wgl, &BuilderAttribs<'st { let share = share.unwrap_or(ptr::null_mut()); - let ctxt = if let Some((extra_functions, builder, extensions)) = extra { + if let Some((extra_functions, builder, extensions)) = extra { if extensions.split(' ').find(|&i| i == "WGL_ARB_create_context").is_some() { let mut attributes = Vec::new(); @@ -308,33 +308,32 @@ unsafe fn create_context(extra: Option<(&gl::wgl_extra::Wgl, &BuilderAttribs<'st attributes.push(0); - Some(extra_functions.CreateContextAttribsARB(hdc as *const libc::c_void, - share as *const libc::c_void, - attributes.as_ptr())) + let ctxt = extra_functions.CreateContextAttribsARB(hdc as *const libc::c_void, + share as *const libc::c_void, + attributes.as_ptr()); - } else { - None - } - } else { - None - }; - - let ctxt = match ctxt { - Some(ctxt) => ctxt, - None => { - let ctxt = gl::wgl::CreateContext(hdc as *const libc::c_void); - if !ctxt.is_null() && !share.is_null() { - gl::wgl::ShareLists(share as *const libc::c_void, ctxt); - }; - ctxt + if ctxt.is_null() { + return Err(CreationError::OsError(format!("wglCreateContextAttribsARB failed: {}", + format!("{}", io::Error::last_os_error())))); + } else { + return Ok(ContextWrapper(ctxt as winapi::HGLRC)); + } } }; + let ctxt = gl::wgl::CreateContext(hdc as *const libc::c_void); if ctxt.is_null() { - return Err(CreationError::OsError(format!("OpenGL context creation failed: {}", + return Err(CreationError::OsError(format!("wglCreateContext failed: {}", format!("{}", io::Error::last_os_error())))); } + if !share.is_null() { + if gl::wgl::ShareLists(share as *const libc::c_void, ctxt) == 0 { + return Err(CreationError::OsError(format!("wglShareLists failed: {}", + format!("{}", io::Error::last_os_error())))); + } + }; + Ok(ContextWrapper(ctxt as winapi::HGLRC)) } |