Remove all calls to pixman_region32_not_empty()

Replace them with pixman_region32_empty(), which avoids using a
double-negative when checking if a region is empty. Also use that
new function when checking for non-empty regions so that only one
variant of the Pixman API is used.
This commit is contained in:
Simon Ser 2024-01-04 12:04:17 +01:00
parent a818251aec
commit 83c5b15194
5 changed files with 17 additions and 16 deletions

View file

@ -116,7 +116,7 @@ void wlr_output_add_software_cursors_to_render_pass(struct wlr_output *output,
pixman_region32_intersect(&cursor_damage, &cursor_damage, damage); pixman_region32_intersect(&cursor_damage, &cursor_damage, damage);
} }
if (!pixman_region32_not_empty(&cursor_damage)) { if (pixman_region32_empty(&cursor_damage)) {
pixman_region32_fini(&cursor_damage); pixman_region32_fini(&cursor_damage);
continue; continue;
} }

View file

@ -370,7 +370,7 @@ static void scene_output_damage(struct wlr_scene_output *scene_output,
pixman_region32_init(&clipped); pixman_region32_init(&clipped);
pixman_region32_intersect_rect(&clipped, damage, 0, 0, output->width, output->height); pixman_region32_intersect_rect(&clipped, damage, 0, 0, output->width, output->height);
if (pixman_region32_not_empty(&clipped)) { if (!pixman_region32_empty(&clipped)) {
wlr_output_schedule_frame(scene_output->output); wlr_output_schedule_frame(scene_output->output);
wlr_damage_ring_add(&scene_output->damage_ring, &clipped); wlr_damage_ring_add(&scene_output->damage_ring, &clipped);
@ -391,7 +391,7 @@ static void scene_output_damage_whole(struct wlr_scene_output *scene_output) {
} }
static void scene_damage_outputs(struct wlr_scene *scene, pixman_region32_t *damage) { static void scene_damage_outputs(struct wlr_scene *scene, pixman_region32_t *damage) {
if (!pixman_region32_not_empty(damage)) { if (pixman_region32_empty(damage)) {
return; return;
} }
@ -453,7 +453,7 @@ static void update_node_update_outputs(struct wlr_scene_node *node,
pixman_region32_intersect_rect(&intersection, &node->visible, pixman_region32_intersect_rect(&intersection, &node->visible,
output_box.x, output_box.y, output_box.width, output_box.height); output_box.x, output_box.y, output_box.width, output_box.height);
if (pixman_region32_not_empty(&intersection)) { if (!pixman_region32_empty(&intersection)) {
uint32_t overlap = region_area(&intersection); uint32_t overlap = region_area(&intersection);
if (overlap >= largest_overlap) { if (overlap >= largest_overlap) {
largest_overlap = overlap; largest_overlap = overlap;
@ -1049,7 +1049,7 @@ void wlr_scene_buffer_set_transform(struct wlr_scene_buffer *scene_buffer,
void wlr_scene_buffer_send_frame_done(struct wlr_scene_buffer *scene_buffer, void wlr_scene_buffer_send_frame_done(struct wlr_scene_buffer *scene_buffer,
struct timespec *now) { struct timespec *now) {
if (pixman_region32_not_empty(&scene_buffer->node.visible)) { if (!pixman_region32_empty(&scene_buffer->node.visible)) {
wl_signal_emit_mutable(&scene_buffer->events.frame_done, now); wl_signal_emit_mutable(&scene_buffer->events.frame_done, now);
} }
} }
@ -1344,7 +1344,7 @@ static void scene_entry_render(struct render_list_entry *entry, const struct ren
pixman_region32_translate(&render_region, -data->logical.x, -data->logical.y); pixman_region32_translate(&render_region, -data->logical.x, -data->logical.y);
logical_to_buffer_coords(&render_region, data); logical_to_buffer_coords(&render_region, data);
pixman_region32_intersect(&render_region, &render_region, &data->damage); pixman_region32_intersect(&render_region, &render_region, &data->damage);
if (!pixman_region32_not_empty(&render_region)) { if (pixman_region32_empty(&render_region)) {
pixman_region32_fini(&render_region); pixman_region32_fini(&render_region);
return; return;
} }
@ -1406,7 +1406,7 @@ static void scene_entry_render(struct render_list_entry *entry, const struct ren
.alpha = &scene_buffer->opacity, .alpha = &scene_buffer->opacity,
.filter_mode = scene_buffer->filter_mode, .filter_mode = scene_buffer->filter_mode,
.blend_mode = !data->output->scene->calculate_visibility || .blend_mode = !data->output->scene->calculate_visibility ||
pixman_region32_not_empty(&opaque) ? !pixman_region32_empty(&opaque) ?
WLR_RENDER_BLEND_MODE_PREMULTIPLIED : WLR_RENDER_BLEND_MODE_NONE, WLR_RENDER_BLEND_MODE_PREMULTIPLIED : WLR_RENDER_BLEND_MODE_NONE,
.wait_timeline = scene_buffer->wait_timeline, .wait_timeline = scene_buffer->wait_timeline,
.wait_point = scene_buffer->wait_point, .wait_point = scene_buffer->wait_point,
@ -1763,7 +1763,7 @@ static bool construct_render_list_iterator(struct wlr_scene_node *node,
pixman_region32_intersect_rect(&intersection, &node->visible, pixman_region32_intersect_rect(&intersection, &node->visible,
data->box.x, data->box.y, data->box.x, data->box.y,
data->box.width, data->box.height); data->box.width, data->box.height);
if (!pixman_region32_not_empty(&intersection)) { if (pixman_region32_empty(&intersection)) {
pixman_region32_fini(&intersection); pixman_region32_fini(&intersection);
return false; return false;
} }
@ -1914,8 +1914,9 @@ static bool scene_entry_try_direct_scanout(struct render_list_entry *entry,
} }
bool wlr_scene_output_needs_frame(struct wlr_scene_output *scene_output) { bool wlr_scene_output_needs_frame(struct wlr_scene_output *scene_output) {
return scene_output->output->needs_frame || pixman_region32_not_empty( return scene_output->output->needs_frame ||
&scene_output->pending_commit_damage) || scene_output->gamma_lut_changed; !pixman_region32_empty(&scene_output->pending_commit_damage) ||
scene_output->gamma_lut_changed;
} }
bool wlr_scene_output_commit(struct wlr_scene_output *scene_output, bool wlr_scene_output_commit(struct wlr_scene_output *scene_output,
@ -2054,7 +2055,7 @@ bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,
clock_gettime(CLOCK_MONOTONIC, &now); clock_gettime(CLOCK_MONOTONIC, &now);
// add the current frame's damage if there is damage // add the current frame's damage if there is damage
if (pixman_region32_not_empty(&scene_output->damage_ring.current)) { if (!pixman_region32_empty(&scene_output->damage_ring.current)) {
struct highlight_region *current_damage = calloc(1, sizeof(*current_damage)); struct highlight_region *current_damage = calloc(1, sizeof(*current_damage));
if (current_damage) { if (current_damage) {
pixman_region32_init(&current_damage->region); pixman_region32_init(&current_damage->region);
@ -2077,7 +2078,7 @@ bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,
struct timespec time_diff; struct timespec time_diff;
timespec_sub(&time_diff, &now, &damage->when); timespec_sub(&time_diff, &now, &damage->when);
if (timespec_to_msec(&time_diff) >= HIGHLIGHT_DAMAGE_FADEOUT_TIME || if (timespec_to_msec(&time_diff) >= HIGHLIGHT_DAMAGE_FADEOUT_TIME ||
!pixman_region32_not_empty(&damage->region)) { pixman_region32_empty(&damage->region)) {
highlight_region_destroy(damage); highlight_region_destroy(damage);
} }
} }

View file

@ -280,7 +280,7 @@ static void frame_handle_capture(struct wl_client *client,
frame->capturing = true; frame->capturing = true;
bool need_frame = pixman_region32_not_empty(&frame->session->damage); bool need_frame = !pixman_region32_empty(&frame->session->damage);
struct wlr_ext_image_capture_source_v1 *source = frame->session->source; struct wlr_ext_image_capture_source_v1 *source = frame->session->source;
if (need_frame && source->impl->schedule_frame) { if (need_frame && source->impl->schedule_frame) {
source->impl->schedule_frame(source); source->impl->schedule_frame(source);
@ -423,7 +423,7 @@ static void session_handle_source_frame(struct wl_listener *listener, void *data
struct wlr_ext_image_copy_capture_frame_v1 *frame = session->frame; struct wlr_ext_image_copy_capture_frame_v1 *frame = session->frame;
if (frame != NULL && frame->capturing && if (frame != NULL && frame->capturing &&
pixman_region32_not_empty(&session->damage)) { !pixman_region32_empty(&session->damage)) {
pixman_region32_union(&frame->buffer_damage, pixman_region32_union(&frame->buffer_damage,
&frame->buffer_damage, &session->damage); &frame->buffer_damage, &session->damage);

View file

@ -107,7 +107,7 @@ static bool update_region(struct wlr_pointer_constraint_v1 *constraint) {
pixman_region32_t region; pixman_region32_t region;
pixman_region32_init(&region); pixman_region32_init(&region);
if (pixman_region32_not_empty(&constraint->current.region)) { if (!pixman_region32_empty(&constraint->current.region)) {
pixman_region32_intersect(&region, pixman_region32_intersect(&region,
&constraint->surface->input_region, &constraint->current.region); &constraint->surface->input_region, &constraint->current.region);
} else { } else {

View file

@ -299,7 +299,7 @@ static void frame_handle_output_commit(struct wl_listener *listener,
if (frame->with_damage) { if (frame->with_damage) {
struct screencopy_damage *damage = struct screencopy_damage *damage =
screencopy_damage_get_or_create(frame->client, output); screencopy_damage_get_or_create(frame->client, output);
if (damage && !pixman_region32_not_empty(&damage->damage)) { if (damage && pixman_region32_empty(&damage->damage)) {
return; return;
} }
} }