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wlr_scene: Fix crash when committing NULL buffer

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If we commit a null buffer, we want to avoid the buffer damage path and
instead just update the node to avoid it.
This commit is contained in:
Alexander Orzechowski 2024-03-12 11:27:24 -04:00 committed by Kirill Primak
parent 341b3c8bd2
commit 2aebb8e444
1 changed files with 5 additions and 0 deletions
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5
types/scene/wlr_scene.c
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@ -669,6 +669,11 @@ void wlr_scene_buffer_set_buffer_with_damage(struct wlr_scene_buffer *scene_buff
bool mapped = buffer != NULL; bool mapped = buffer != NULL;
bool prev_mapped = scene_buffer->buffer != NULL || scene_buffer->texture != NULL; bool prev_mapped = scene_buffer->buffer != NULL || scene_buffer->texture != NULL;
if (!mapped && !prev_mapped) {
// unmapping already unmapped buffer - noop
return;
}
// if this node used to not be mapped or its previous displayed // if this node used to not be mapped or its previous displayed
// buffer region will be different from what the new buffer would // buffer region will be different from what the new buffer would
// produce we need to update the node. // produce we need to update the node.