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Better error message when the GPU doesn't support the requested mode. #103

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This commit is contained in:
Dustin Carlino 2020-10-21 12:19:06 -07:00
parent 3c81480550
commit d98c5bc6bc
1 changed files with 7 additions and 2 deletions
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9
widgetry/src/backend_glow_native.rs
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@ -12,11 +12,16 @@ pub fn setup(window_title: &str) -> (PrerenderInnards, winit::event_loop::EventL
// TODO If people are hitting problems with context not matching what their GPU provides, dig up
// backend_glium.rs from git and bring the fallback behavior here. (Ideally, there'd be
// something in glutin to directly express this.) multisampling: 2 looks bad, 4 looks fine
let context = glutin::ContextBuilder::new()
let context = match glutin::ContextBuilder::new()
.with_multisampling(4)
.with_depth_buffer(2)
.build_windowed(window, &event_loop)
.unwrap();
{
Ok(ctx) => ctx,
Err(err) => {
panic!("Your videocard doesn't support the OpenGL mode requested. This is a common issue when running inside a virtual machine; please run natively if possible. See https://github.com/dabreegster/abstreet/issues/103 for more info, and feel free to ask for help using that issue.\n\nError: {}", err);
}
};
let windowed_context = unsafe { context.make_current().unwrap() };
let gl = unsafe {
glow::Context::from_loader_function(|s| windowed_context.get_proc_address(s) as *const _)