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sway_text_node: avoid unnecessary redraws

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When a floating container has a titlebar, render_backing_buffer()
ends up being called each time the container is moved. Add some
more checks for no-op changes in sway_text_node_set_max_width()
and sway_text_node_set_background(). This makes the move smoother.
This commit is contained in:
Simon Ser 2024-07-04 00:06:21 +02:00 committed by Alexander Orzechowski
parent d8c4a2d5fe
commit 818ea17389
1 changed files with 6 additions and 0 deletions
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6
sway/sway_text_node.c
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@ -294,6 +294,9 @@ void sway_text_node_set_text(struct sway_text_node *node, char *text) {
void sway_text_node_set_max_width(struct sway_text_node *node, int max_width) { void sway_text_node_set_max_width(struct sway_text_node *node, int max_width) {
struct text_buffer *buffer = wl_container_of(node, buffer, props); struct text_buffer *buffer = wl_container_of(node, buffer, props);
if (max_width == buffer->props.max_width) {
return;
}
buffer->props.max_width = max_width; buffer->props.max_width = max_width;
wlr_scene_buffer_set_dest_size(buffer->buffer_node, wlr_scene_buffer_set_dest_size(buffer->buffer_node,
get_text_width(&buffer->props), buffer->props.height); get_text_width(&buffer->props), buffer->props.height);
@ -303,6 +306,9 @@ void sway_text_node_set_max_width(struct sway_text_node *node, int max_width) {
void sway_text_node_set_background(struct sway_text_node *node, float background[4]) { void sway_text_node_set_background(struct sway_text_node *node, float background[4]) {
struct text_buffer *buffer = wl_container_of(node, buffer, props); struct text_buffer *buffer = wl_container_of(node, buffer, props);
if (memcmp(&node->background, background, sizeof(*background) * 4) == 0) {
return;
}
memcpy(&node->background, background, sizeof(*background) * 4); memcpy(&node->background, background, sizeof(*background) * 4);
render_backing_buffer(buffer); render_backing_buffer(buffer);
} }