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Switch to create_context for the real context

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This commit is contained in:
Pierre Krieger 2015-02-16 15:42:00 +01:00
parent 6bec85e0cc
commit d1bc85c011
1 changed files with 5 additions and 49 deletions
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54
src/win32/init.rs
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@ -240,51 +240,7 @@ fn init(title: Vec<u16>, builder: BuilderAttribs<'static>, builder_sharelists: O
}
// creating the OpenGL context
let context = {
use libc;
let mut attributes = Vec::new();
if builder.gl_version.is_some() {
let version = builder.gl_version.as_ref().unwrap();
attributes.push(gl::wgl_extra::CONTEXT_MAJOR_VERSION_ARB as libc::c_int);
attributes.push(version.0 as libc::c_int);
attributes.push(gl::wgl_extra::CONTEXT_MINOR_VERSION_ARB as libc::c_int);
attributes.push(version.1 as libc::c_int);
}
if builder.gl_debug {
attributes.push(gl::wgl_extra::CONTEXT_FLAGS_ARB as libc::c_int);
attributes.push(gl::wgl_extra::CONTEXT_DEBUG_BIT_ARB as libc::c_int);
}
attributes.push(0);
let ctxt = unsafe {
if extra_functions.CreateContextAttribsARB.is_loaded() {
let share = if let Some(c) = builder_sharelists { c } else { ptr::null_mut() };
extra_functions.CreateContextAttribsARB(hdc as *const libc::c_void,
share as *const libc::c_void,
attributes.as_slice().as_ptr())
} else {
let ctxt = gl::wgl::CreateContext(hdc as *const libc::c_void);
if let Some(c) = builder_sharelists {
gl::wgl::ShareLists(c as *const libc::c_void, ctxt);
};
ctxt
}
};
if ctxt.is_null() {
let err = Err(OsError(format!("OpenGL context creation failed: {}",
os::error_string(os::errno() as usize))));
unsafe { user32::DestroyWindow(real_window); }
return err;
}
ctxt
};
let context = try!(create_context(Some((&extra_functions, &builder)), hdc, builder_sharelists));
// calling SetForegroundWindow if fullscreen
if builder.monitor.is_some() {
@ -309,7 +265,7 @@ fn init(title: Vec<u16>, builder: BuilderAttribs<'static>, builder_sharelists: O
if lib.is_null() {
let err = Err(OsError(format!("LoadLibrary function failed: {}",
os::error_string(os::errno() as usize))));
unsafe { gl::wgl::DeleteContext(context); }
unsafe { gl::wgl::DeleteContext(context as *const libc::c_void); }
unsafe { user32::DestroyWindow(real_window); }
return err;
}
@ -319,9 +275,9 @@ fn init(title: Vec<u16>, builder: BuilderAttribs<'static>, builder_sharelists: O
// handling vsync
if builder.vsync {
if extra_functions.SwapIntervalEXT.is_loaded() {
unsafe { gl::wgl::MakeCurrent(hdc as *const libc::c_void, context) };
unsafe { gl::wgl::MakeCurrent(hdc as *const libc::c_void, context as *const libc::c_void) };
if unsafe { extra_functions.SwapIntervalEXT(1) } == 0 {
unsafe { gl::wgl::DeleteContext(context); }
unsafe { gl::wgl::DeleteContext(context as *const libc::c_void); }
unsafe { user32::DestroyWindow(real_window); }
return Err(OsError(format!("wglSwapIntervalEXT failed")));
}
@ -336,7 +292,7 @@ fn init(title: Vec<u16>, builder: BuilderAttribs<'static>, builder_sharelists: O
Ok(Window {
window: real_window,
hdc: hdc as winapi::HDC,
context: context as winapi::HGLRC,
context: context,
gl_library: gl_library,
events_receiver: events_receiver,
is_closed: AtomicBool::new(false),