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wayland: temporary horrible fix for damage

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i509VCB 2022-05-31 15:12:12 -05:00
parent 08883d76c5
commit d0fed096b6
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1 changed files with 15 additions and 0 deletions
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15
src/wayland.rs
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@ -64,6 +64,21 @@ impl GraphicsContextImpl for WaylandImpl {
self.tempfile.write_at(std::slice::from_raw_parts(buffer.as_ptr() as *const u8, buffer.len()*4), 0).expect("Failed to write buffer to temporary file.");
self.tempfile.flush().expect("Failed to flush buffer to temporary file.");
self.surface.attach(Some(&wayland_buffer.buffer), 0, 0);
// FIXME: Proper damaging mechanism.
//
// In order to propagate changes on compositors which track damage, for now damage the entire surface.
if self.surface.as_ref().version() < 4 {
// FIXME: Accommodate scale factor since wl_surface::damage is in terms of surface coordinates while
// wl_surface::damage_buffer is in buffer coordinates.
//
// i32::MAX is a valid damage box (most compositors interpret the damage box as "the entire surface")
self.surface.damage(0, 0, i32::MAX, i32::MAX);
} else {
// Introduced in version 4, it is an error to use this request in version 3 or lower.
self.surface.damage_buffer(0, 0, width as i32, height as i32);
}
self.surface.commit();
}
}