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compositor: do not release if re-attaching buffer

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If a client called wl_surface.attach with the same wl_buffer as
previously, the compositor would mistakenly send a release on that
buffer. This will cause problems only when clients start to properly use
the wl_buffer.release event.

Do not send wl_buffer.release if the same buffer is attached again.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen 2012-12-04 15:58:10 +02:00 • committed by Kristian Høgsberg
parent 246b965128
commit ce6d79e665
1 changed files with 5 additions and 3 deletions
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8
src/compositor.c
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@ -810,16 +810,18 @@ weston_surface_destroy(struct weston_surface *surface)
static void
weston_surface_attach(struct weston_surface *surface, struct wl_buffer *buffer)
{
if (surface->buffer) {
if (surface->buffer && buffer != surface->buffer) {
weston_buffer_post_release(surface->buffer);
wl_list_remove(&surface->buffer_destroy_listener.link);
}
if (buffer) {
if (buffer && buffer != surface->buffer) {
buffer->busy_count++;
wl_signal_add(&buffer->resource.destroy_signal,
&surface->buffer_destroy_listener);
} else {
}
if (!buffer) {
if (weston_surface_is_mapped(surface))
weston_surface_unmap(surface);
}