pub struct AdapterContext { /* private fields */ }
Expand description

A wrapper around a glow::Context and the required EGL context that uses locking to guarantee exclusive access when shared with multiple threads.

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impl AdapterContext

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pub fn is_owned(&self) -> bool

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pub fn egl_instance(&self) -> Option<&DynamicInstance<EGL1_4>>

Returns the EGL instance.

This provides access to EGL functions and the ability to load GL and EGL extension functions.

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pub fn raw_display(&self) -> Option<&Display>

Returns the EGLDisplay corresponding to the adapter context.

Returns None if the adapter was externally created.

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pub fn egl_version(&self) -> Option<(i32, i32)>

Returns the EGL version the adapter context was created with.

Returns None if the adapter was externally created.

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pub fn raw_context(&self) -> *mut c_void

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impl AdapterContext

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pub unsafe fn get_without_egl_lock(&self) -> MutexGuard<'_, Context>

Get’s the glow::Context without waiting for a lock

Safety

This should only be called when you have manually made sure that the current thread has made the EGL context current and that no other thread also has the EGL context current. Additionally, you must manually make the EGL context not current after you are done with it, so that future calls to lock() will not fail.

Note: Calling this function will still lock the glow::Context which adds an extra safe-guard against accidental concurrent access to the context.

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pub fn lock<'a>(&'a self) -> AdapterContextLock<'a>

Obtain a lock to the EGL context and get handle to the glow::Context that can be used to do rendering.

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impl<T> Any for T
where T: 'static + ?Sized,

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impl<T> Downcast<T> for T

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impl<T, U> Into<U> for T
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fn into(self) -> U

Calls U::from(self).

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type Error = Infallible

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Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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Performs the conversion.
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impl<T> Upcast<T> for T

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fn upcast(&self) -> Option<&T>

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