Trait glutin::context::NotCurrentGlContext

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pub trait NotCurrentGlContext: Sealed {
    type PossiblyCurrentContext: PossiblyCurrentGlContext;
    type Surface<T: SurfaceTypeTrait>: GlSurface<T>;

    // Required methods
    fn treat_as_possibly_current(self) -> Self::PossiblyCurrentContext;
    fn make_current<T: SurfaceTypeTrait>(
        self,
        surface: &Self::Surface<T>
    ) -> Result<Self::PossiblyCurrentContext>;
    fn make_current_draw_read<T: SurfaceTypeTrait>(
        self,
        surface_draw: &Self::Surface<T>,
        surface_read: &Self::Surface<T>
    ) -> Result<Self::PossiblyCurrentContext>;
}

Expand description

A trait to group common not current operations.

Required Associated Types§

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type PossiblyCurrentContext: PossiblyCurrentGlContext

The type of possibly current context.

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type Surface<T: SurfaceTypeTrait>: GlSurface<T>

The surface supported by the context.

Required Methods§

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fn treat_as_possibly_current(self) -> Self::PossiblyCurrentContext

Treat the not current context as possibly current. The operation is safe because the possibly current context is more restricted and not guaranteed to be current.

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fn make_current<T: SurfaceTypeTrait>( self, surface: &Self::Surface<T> ) -> Result<Self::PossiblyCurrentContext>

Make Self::Surface on the calling thread producing the Self::PossiblyCurrentContext indicating that the context could be current on the theard.

§Platform specific

macOS: this will block if your main thread is blocked;
Wayland: this call may latch the underlying back buffer (will do with mesa drivers), meaning that all resize operations will apply after the next GlSurface::swap_buffers.

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