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-rw-r--r--src/api/cocoa/mod.rs26
1 files changed, 17 insertions, 9 deletions
diff --git a/src/api/cocoa/mod.rs b/src/api/cocoa/mod.rs
index 2725536..511148b 100644
--- a/src/api/cocoa/mod.rs
+++ b/src/api/cocoa/mod.rs
@@ -340,8 +340,8 @@ impl Window {
// TODO: perhaps we should return error from create_context so we can
// determine the cause of failure and possibly recover?
let (context, pf) = match Window::create_context(*view, &builder) {
- Ok((Some(context), Some(pf))) => (context, pf),
- _ => { return Err(OsError(format!("Couldn't create OpenGL context"))); },
+ Ok((context, pf)) => (context, pf),
+ Err(e) => { return Err(OsError(format!("Couldn't create OpenGL context: {}", e))); },
};
unsafe {
@@ -466,10 +466,18 @@ impl Window {
}
}
- fn create_context(view: id, builder: &BuilderAttribs) -> Result<(Option<IdRef>, Option<PixelFormat>), CreationError> {
+ fn create_context(view: id, builder: &BuilderAttribs) -> Result<(IdRef, PixelFormat), CreationError> {
let profile = match (builder.gl_version, builder.gl_version.to_gl_version(), builder.gl_profile) {
(GlRequest::Latest, _, Some(GlProfile::Compatibility)) => NSOpenGLProfileVersionLegacy as u32,
- (GlRequest::Latest, _, _) => NSOpenGLProfileVersion4_1Core as u32,
+ (GlRequest::Latest, _, _) => {
+ if NSAppKitVersionNumber.floor() >= NSAppKitVersionNumber10_9 {
+ NSOpenGLProfileVersion4_1Core as u32
+ } else if NSAppKitVersionNumber.floor() >= NSAppKitVersionNumber10_7 {
+ NSOpenGLProfileVersion3_2Core as u32
+ } else {
+ NSOpenGLProfileVersionLegacy as u32
+ }
+ },
(_, Some((1 ... 2, _)), Some(GlProfile::Core)) |
(_, Some((3 ... 4, _)), Some(GlProfile::Compatibility)) =>
return Err(CreationError::NotSupported),
@@ -513,7 +521,7 @@ impl Window {
// attribute list must be null terminated.
attributes.push(0);
- Ok(unsafe {
+ unsafe {
let pixelformat = IdRef::new(NSOpenGLPixelFormat::alloc(nil).initWithAttributes_(&attributes));
if let Some(pixelformat) = pixelformat.non_nil() {
@@ -556,14 +564,14 @@ impl Window {
let value = if builder.vsync { 1 } else { 0 };
cxt.setValues_forParameter_(&value, NSOpenGLContextParameter::NSOpenGLCPSwapInterval);
- (Some(cxt), Some(pf))
+ Ok((cxt, pf))
} else {
- (None, None)
+ Err(CreationError::NotSupported)
}
} else {
- (None, None)
+ Err(CreationError::NotSupported)
}
- })
+ }
}
pub fn is_closed(&self) -> bool {