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Allow embedders to access front buffer surface.

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This commit is contained in:
Josh Matthews 2020-11-15 11:14:43 -05:00
parent d9484d5d06
commit bd2d4596b0
1 changed files with 17 additions and 0 deletions
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17
components/webrender_surfman/lib.rs
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@ -159,6 +159,23 @@ impl WebrenderSurfman {
})
}
/// Invoke a closure with the surface associated with the current front buffer.
/// This can be used to create a surfman::SurfaceTexture to blit elsewhere.
pub fn with_front_buffer<F: FnMut(&Device, Surface) -> Surface>(&self, mut f: F) {
let ref mut device = self.0.device.borrow_mut();
let ref mut context = self.0.context.borrow_mut();
let surface = device
.unbind_surface_from_context(context)
.unwrap()
.unwrap();
let surface = f(device, surface);
device.bind_surface_to_context(context, surface).unwrap();
}
pub fn device(&self) -> std::cell::Ref<Device> {
self.0.device.borrow()
}
pub fn connection(&self) -> Connection {
let ref device = self.0.device.borrow();
device.connection()