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wlr_scene: Track output damage separately

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The damage ring is only supposed to keep track of damage within
the swapchain
This commit is contained in:
Alexander Orzechowski 2023-11-19 16:23:19 -05:00
parent 6e03d3015e
commit 06d301bf1a
2 changed files with 25 additions and 2 deletions
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2
include/wlr/types/wlr_scene.h
View file

@ -206,6 +206,8 @@ struct wlr_scene_output {
// private state
pixman_region32_t pending_commit_damage;
uint8_t index;
bool prev_scanout;

25
types/scene/wlr_scene.c
View file

@ -1277,6 +1277,19 @@ static void scene_output_handle_commit(struct wl_listener *listener, void *data)
WLR_OUTPUT_STATE_ENABLED)) {
scene_output_update_geometry(scene_output, force_update);
}
// if the output has been committed with a certain damage, we know that region
// will be acknowledged by the backend so we don't need to keep track of it
// anymore
if (state->committed & WLR_OUTPUT_STATE_DAMAGE) {
if (wlr_swapchain_has_buffer(scene_output->output->swapchain, state->buffer)) {
pixman_region32_subtract(&scene_output->pending_commit_damage,
&scene_output->pending_commit_damage, &state->damage);
} else {
pixman_region32_union(&scene_output->pending_commit_damage,
&scene_output->pending_commit_damage, &state->damage);
}
}
}
static void scene_output_handle_damage(struct wl_listener *listener, void *data) {
@ -1306,6 +1319,7 @@ struct wlr_scene_output *wlr_scene_output_create(struct wlr_scene *scene,
wlr_addon_init(&scene_output->addon, &output->addons, scene, &output_addon_impl);
wlr_damage_ring_init(&scene_output->damage_ring);
pixman_region32_init(&scene_output->pending_commit_damage);
wl_list_init(&scene_output->damage_highlight_regions);
int prev_output_index = -1;
@ -1364,6 +1378,7 @@ void wlr_scene_output_destroy(struct wlr_scene_output *scene_output) {
wlr_addon_finish(&scene_output->addon);
wlr_damage_ring_finish(&scene_output->damage_ring);
pixman_region32_fini(&scene_output->pending_commit_damage);
wl_list_remove(&scene_output->link);
wl_list_remove(&scene_output->output_commit.link);
wl_list_remove(&scene_output->output_damage.link);
@ -1467,9 +1482,15 @@ static bool construct_render_list_iterator(struct wlr_scene_node *node,
static void output_state_apply_damage(const struct render_data *data,
struct wlr_output_state *state) {
struct wlr_scene_output *output = data->output;
pixman_region32_union(&output->pending_commit_damage,
&output->pending_commit_damage, &output->damage_ring.current);
pixman_region32_intersect_rect(&output->pending_commit_damage,
&output->pending_commit_damage, 0, 0, data->trans_width, data->trans_height);
pixman_region32_t frame_damage;
pixman_region32_init(&frame_damage);
pixman_region32_copy(&frame_damage, &data->output->damage_ring.current);
pixman_region32_copy(&frame_damage, &output->pending_commit_damage);
transform_output_damage(&frame_damage, data);
wlr_output_state_set_damage(state, &frame_damage);
pixman_region32_fini(&frame_damage);
@ -1601,7 +1622,7 @@ static bool scene_entry_try_direct_scanout(struct render_list_entry *entry,
bool wlr_scene_output_commit(struct wlr_scene_output *scene_output,
const struct wlr_scene_output_state_options *options) {
if (!scene_output->output->needs_frame && !pixman_region32_not_empty(
&scene_output->damage_ring.current)) {
&scene_output->pending_commit_damage)) {
return true;
}