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Simplify OpenGL examples to use platform builder API to enforce a GL supported renderer

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This commit is contained in:
Simon Hausmann 2024-10-23 11:22:17 +02:00
parent 687e4ce95b
commit df55e5563b
2 changed files with 89 additions and 85 deletions
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18
examples/opengl_texture/main.rs
View file

@ -398,13 +398,20 @@ impl DemoRenderer {
} }
fn main() { fn main() {
let platform = slint::platform::PlatformBuilder::new()
.with_opengl_api(slint::OpenGLAPI::GLES(None))
.build()
.expect("Unable to create Slint backend with OpenGL ES renderer");
slint::platform::set_platform(platform).unwrap();
let app = App::new().unwrap(); let app = App::new().unwrap();
let mut underlay = None; let mut underlay = None;
let app_weak = app.as_weak(); let app_weak = app.as_weak();
if let Err(error) = app.window().set_rendering_notifier(move |state, graphics_api| { app.window()
.set_rendering_notifier(move |state, graphics_api| {
// eprintln!("rendering state {:#?}", state); // eprintln!("rendering state {:#?}", state);
match state { match state {
@ -436,13 +443,8 @@ fn main() {
} }
_ => {} _ => {}
} }
}) { })
match error { .expect("Unable to set rendering notifier");
slint::SetRenderingNotifierError::Unsupported => eprintln!("This example requires the use of the GL backend. Please run with the environment variable SLINT_BACKEND=GL set."),
_ => unreachable!()
}
std::process::exit(1);
}
app.run().unwrap(); app.run().unwrap();
} }

18
examples/opengl_underlay/main.rs
View file

@ -176,13 +176,20 @@ pub fn main() {
#[cfg(all(debug_assertions, target_arch = "wasm32"))] #[cfg(all(debug_assertions, target_arch = "wasm32"))]
console_error_panic_hook::set_once(); console_error_panic_hook::set_once();
let platform = slint::platform::PlatformBuilder::new()
.with_opengl_api(slint::OpenGLAPI::GLES(None))
.build()
.expect("Unable to create Slint backend with OpenGL ES renderer");
slint::platform::set_platform(platform).unwrap();
let app = App::new().unwrap(); let app = App::new().unwrap();
let mut underlay = None; let mut underlay = None;
let app_weak = app.as_weak(); let app_weak = app.as_weak();
if let Err(error) = app.window().set_rendering_notifier(move |state, graphics_api| { app.window()
.set_rendering_notifier(move |state, graphics_api| {
// eprintln!("rendering state {:#?}", state); // eprintln!("rendering state {:#?}", state);
match state { match state {
@ -230,13 +237,8 @@ pub fn main() {
} }
_ => {} _ => {}
} }
}) { })
match error { .expect("Unable to set rendering notifier");
slint::SetRenderingNotifierError::Unsupported => eprintln!("This example requires the use of the GL backend. Please run with the environment variable SLINT_BACKEND=GL set."),
_ => unreachable!()
}
std::process::exit(1);
}
app.run().unwrap(); app.run().unwrap();
} }