Purge OpenGL from cocoa
This commit is contained in:
Felix Kaaman
parent
3548276f8f
commit
778b8fa87a
3 changed files with 6 additions and 348 deletions
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@ -4,15 +4,6 @@ use {CreationError, Event, MouseCursor, CursorState};
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use CreationError::OsError;
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use libc;
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use ContextError;
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use GlAttributes;
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use GlContext;
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use GlProfile;
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use GlRequest;
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use PixelFormat;
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use PixelFormatRequirements;
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use ReleaseBehavior;
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use Robustness;
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use WindowAttributes;
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use native_monitor::NativeMonitorId;
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@ -48,13 +39,9 @@ use events::MouseButton;
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use events;
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pub use self::monitor::{MonitorId, get_available_monitors, get_primary_monitor};
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pub use self::headless::HeadlessContext;
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pub use self::headless::PlatformSpecificHeadlessBuilderAttributes;
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mod monitor;
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mod event;
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mod headless;
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mod helpers;
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static mut shift_pressed: bool = false;
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static mut ctrl_pressed: bool = false;
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@ -62,7 +49,6 @@ static mut win_pressed: bool = false;
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static mut alt_pressed: bool = false;
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struct DelegateState {
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context: IdRef,
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view: IdRef,
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window: IdRef,
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resize_handler: Option<fn(u32, u32)>,
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@ -95,7 +81,8 @@ impl WindowDelegate {
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let state: *mut libc::c_void = *this.get_ivar("glutinState");
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let state = &mut *(state as *mut DelegateState);
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let _: () = msg_send![*state.context, update];
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// need to notify context before (?) event
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// let _: () = msg_send![*state.context, update];
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if let Some(handler) = state.resize_handler {
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let rect = NSView::frame(*state.view);
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@ -185,8 +172,6 @@ pub struct PlatformSpecificWindowBuilderAttributes;
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pub struct Window {
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view: IdRef,
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window: IdRef,
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context: IdRef,
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pixel_format: PixelFormat,
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delegate: WindowDelegate,
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}
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@ -266,25 +251,14 @@ impl<'a> Iterator for WaitEventsIterator<'a> {
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}
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impl Window {
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pub fn new(win_attribs: &WindowAttributes, pf_reqs: &PixelFormatRequirements,
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opengl: &GlAttributes<&Window>, _: &PlatformSpecificWindowBuilderAttributes)
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-> Result<Window, CreationError>
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pub fn new(win_attribs: &WindowAttributes,
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_: &PlatformSpecificWindowBuilderAttributes)
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-> Result<Window, CreationError>
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{
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if opengl.sharing.is_some() {
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unimplemented!()
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}
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// not implemented
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assert!(win_attribs.min_dimensions.is_none());
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assert!(win_attribs.max_dimensions.is_none());
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match opengl.robustness {
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Robustness::RobustNoResetNotification | Robustness::RobustLoseContextOnReset => {
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return Err(CreationError::RobustnessNotSupported);
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},
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_ => ()
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}
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let app = match Window::create_app() {
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Some(app) => app,
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None => { return Err(OsError(format!("Couldn't create NSApplication"))); },
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@ -300,27 +274,9 @@ impl Window {
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None => { return Err(OsError(format!("Couldn't create NSView"))); },
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};
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// TODO: perhaps we should return error from create_context so we can
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// determine the cause of failure and possibly recover?
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let (context, pf) = match Window::create_context(*view, pf_reqs, opengl) {
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Ok((context, pf)) => (context, pf),
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Err(e) => { return Err(OsError(format!("Couldn't create OpenGL context: {}", e))); },
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};
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unsafe {
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if win_attribs.transparent {
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let clear_col = {
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let cls = Class::get("NSColor").unwrap();
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msg_send![cls, clearColor]
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};
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window.setOpaque_(NO);
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window.setBackgroundColor_(clear_col);
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let obj = context.CGLContextObj();
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let mut opacity = 0;
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CGLSetParameter(obj as *mut _, kCGLCPSurfaceOpacity, &mut opacity);
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unimplemented!();
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}
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app.activateIgnoringOtherApps_(YES);
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@ -332,7 +288,6 @@ impl Window {
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}
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let ds = DelegateState {
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context: context.clone(),
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view: view.clone(),
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window: window.clone(),
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resize_handler: None,
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@ -342,8 +297,6 @@ impl Window {
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let window = Window {
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view: view,
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window: window,
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context: context,
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pixel_format: pf,
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delegate: WindowDelegate::new(ds),
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};
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@ -458,65 +411,6 @@ impl Window {
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}
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}
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fn create_context(view: id, pf_reqs: &PixelFormatRequirements, opengl: &GlAttributes<&Window>)
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-> Result<(IdRef, PixelFormat), CreationError>
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{
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let attributes = try!(helpers::build_nsattributes(pf_reqs, opengl));
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unsafe {
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let pixelformat = IdRef::new(NSOpenGLPixelFormat::alloc(nil).initWithAttributes_(&attributes));
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if let Some(pixelformat) = pixelformat.non_nil() {
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// TODO: Add context sharing
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let context = IdRef::new(NSOpenGLContext::alloc(nil).initWithFormat_shareContext_(*pixelformat, nil));
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if let Some(cxt) = context.non_nil() {
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let pf = {
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let get_attr = |attrib: NSOpenGLPixelFormatAttribute| -> i32 {
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let mut value = 0;
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NSOpenGLPixelFormat::getValues_forAttribute_forVirtualScreen_(
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*pixelformat,
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&mut value,
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attrib,
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NSOpenGLContext::currentVirtualScreen(*cxt));
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value
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};
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PixelFormat {
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hardware_accelerated: get_attr(NSOpenGLPFAAccelerated) != 0,
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color_bits: (get_attr(NSOpenGLPFAColorSize) - get_attr(NSOpenGLPFAAlphaSize)) as u8,
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alpha_bits: get_attr(NSOpenGLPFAAlphaSize) as u8,
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depth_bits: get_attr(NSOpenGLPFADepthSize) as u8,
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stencil_bits: get_attr(NSOpenGLPFAStencilSize) as u8,
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stereoscopy: get_attr(NSOpenGLPFAStereo) != 0,
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double_buffer: get_attr(NSOpenGLPFADoubleBuffer) != 0,
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multisampling: if get_attr(NSOpenGLPFAMultisample) > 0 {
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Some(get_attr(NSOpenGLPFASamples) as u16)
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} else {
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None
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},
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srgb: true,
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}
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};
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cxt.setView_(view);
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let value = if opengl.vsync { 1 } else { 0 };
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cxt.setValues_forParameter_(&value, NSOpenGLContextParameter::NSOpenGLCPSwapInterval);
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CGLEnable(cxt.CGLContextObj() as *mut _, kCGLCECrashOnRemovedFunctions);
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Ok((cxt, pf))
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} else {
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Err(CreationError::NotSupported)
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}
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} else {
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Err(CreationError::NoAvailablePixelFormat)
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}
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}
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}
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pub fn set_title(&self, title: &str) {
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unsafe {
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let title = IdRef::new(NSString::alloc(nil).init_str(title));
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@ -712,56 +606,6 @@ impl Window {
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}
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}
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impl GlContext for Window {
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#[inline]
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unsafe fn make_current(&self) -> Result<(), ContextError> {
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let _: () = msg_send![*self.context, update];
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self.context.makeCurrentContext();
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Ok(())
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}
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#[inline]
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fn is_current(&self) -> bool {
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unsafe {
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let current = NSOpenGLContext::currentContext(nil);
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if current != nil {
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let is_equal: BOOL = msg_send![current, isEqual:*self.context];
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is_equal != NO
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} else {
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false
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}
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}
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}
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fn get_proc_address(&self, addr: &str) -> *const () {
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let symbol_name: CFString = FromStr::from_str(addr).unwrap();
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let framework_name: CFString = FromStr::from_str("com.apple.opengl").unwrap();
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let framework = unsafe {
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CFBundleGetBundleWithIdentifier(framework_name.as_concrete_TypeRef())
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};
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let symbol = unsafe {
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CFBundleGetFunctionPointerForName(framework, symbol_name.as_concrete_TypeRef())
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};
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symbol as *const _
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}
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#[inline]
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fn swap_buffers(&self) -> Result<(), ContextError> {
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unsafe { self.context.flushBuffer(); }
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Ok(())
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}
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#[inline]
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fn get_api(&self) -> ::Api {
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::Api::OpenGl
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}
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#[inline]
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fn get_pixel_format(&self) -> PixelFormat {
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self.pixel_format.clone()
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}
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}
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struct IdRef(id);
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impl IdRef {
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