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Introduce wlr_output_damage

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This commit is contained in:
emersion 2018-02-11 12:49:30 +01:00
parent 664d7bfe4e
commit ec837e3c9e
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GPG key ID: 0FDE7BE0E88F5E48
5 changed files with 230 additions and 97 deletions
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101
rootston/output.c
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@ -390,33 +390,14 @@ static void render_output(struct roots_output *output) {
wlr_output_set_fullscreen_surface(wlr_output, NULL);
}
int buffer_age = -1;
if (!wlr_output_make_current(wlr_output, &buffer_age)) {
bool needs_swap;
pixman_region32_t damage;
pixman_region32_init(&damage);
if (!wlr_output_damage_make_current(output->damage, &needs_swap, &damage)) {
return;
}
int width, height;
wlr_output_transformed_resolution(output->wlr_output, &width, &height);
// Check if we can use damage tracking
pixman_region32_t damage;
pixman_region32_init(&damage);
if (buffer_age <= 0 || buffer_age - 1 > ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN) {
// Buffer new or too old, damage the whole output
pixman_region32_union_rect(&damage, &damage, 0, 0, width, height);
} else {
pixman_region32_copy(&damage, &output->damage);
// Accumulate damage from old buffers
size_t idx = output->previous_damage_idx;
for (int i = 0; i < buffer_age - 1; ++i) {
int j = (idx + i) % ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN;
pixman_region32_union(&damage, &damage, &output->previous_damage[j]);
}
}
pixman_region32_intersect_rect(&damage, &damage, 0, 0, width, height);
if (!pixman_region32_not_empty(&damage) && !wlr_output->needs_swap) {
if (!needs_swap) {
// Output doesn't need swap and isn't damaged, skip rendering completely
goto damage_finish;
}
@ -487,34 +468,23 @@ static void render_output(struct roots_output *output) {
renderer_end:
wlr_renderer_scissor(renderer, NULL);
wlr_renderer_end(renderer);
if (!wlr_output_swap_buffers(wlr_output, &now, &damage)) {
if (!wlr_output_damage_swap_buffers(output->damage, &now, &damage)) {
goto damage_finish;
}
// same as decrementing, but works on unsigned integers
output->previous_damage_idx += ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN - 1;
output->previous_damage_idx %= ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN;
pixman_region32_copy(&output->previous_damage[output->previous_damage_idx],
&output->damage);
pixman_region32_clear(&output->damage);
output->last_frame = desktop->last_frame = now;
damage_finish:
pixman_region32_fini(&damage);
}
static void output_handle_frame(struct wl_listener *listener, void *data) {
static void output_damage_handle_frame(struct wl_listener *listener,
void *data) {
struct roots_output *output = wl_container_of(listener, output, frame);
render_output(output);
}
void output_damage_whole(struct roots_output *output) {
int width, height;
wlr_output_transformed_resolution(output->wlr_output, &width, &height);
pixman_region32_union_rect(&output->damage, &output->damage, 0, 0,
width, height);
wlr_output_schedule_frame(output->wlr_output);
wlr_output_damage_add_whole(output->damage);
}
static bool view_accept_damage(struct roots_output *output,
@ -561,10 +531,7 @@ static void damage_whole_surface(struct wlr_surface *surface,
wlr_box_rotated_bounds(&box, -rotation, &box);
pixman_region32_union_rect(&output->damage, &output->damage,
box.x, box.y, box.width, box.height);
wlr_output_schedule_frame(output->wlr_output);
wlr_output_damage_add_box(output->damage, &box);
}
static void damage_whole_decoration(struct roots_view *view,
@ -578,8 +545,7 @@ static void damage_whole_decoration(struct roots_view *view,
wlr_box_rotated_bounds(&box, -view->rotation, &box);
pixman_region32_union_rect(&output->damage, &output->damage,
box.x, box.y, box.width, box.height);
wlr_output_damage_add_box(output->damage, &box);
}
void output_damage_whole_view(struct roots_output *output,
@ -626,8 +592,7 @@ static void damage_from_surface(struct wlr_surface *surface,
ceil(wlr_output->scale) - surface->current->scale);
}
pixman_region32_translate(&damage, box.x, box.y);
pixman_region32_union(&output->damage, &output->damage, &damage);
pixman_region32_fini(&damage);
wlr_output_damage_add(output->damage, &damage);
} else {
pixman_box32_t *extents =
pixman_region32_extents(&surface->current->surface_damage);
@ -638,14 +603,8 @@ static void damage_from_surface(struct wlr_surface *surface,
.height = (extents->y2 - extents->y1) * wlr_output->scale,
};
wlr_box_rotated_bounds(&damage_box, -rotation, &damage_box);
pixman_region32_union_rect(&output->damage, &output->damage,
damage_box.x, damage_box.y, damage_box.width, damage_box.height);
wlr_output_damage_add_box(output->damage, &damage_box);
}
pixman_region32_intersect_rect(&output->damage, &output->damage, 0, 0,
ow, oh);
wlr_output_schedule_frame(wlr_output);
}
void output_damage_from_view(struct roots_output *output,
@ -657,19 +616,6 @@ void output_damage_from_view(struct roots_output *output,
view_for_each_surface(view, damage_from_surface, output);
}
static void output_handle_mode(struct wl_listener *listener, void *data) {
struct roots_output *output = wl_container_of(listener, output, mode);
output_damage_whole(output);
}
static void output_handle_needs_swap(struct wl_listener *listener, void *data) {
struct roots_output *output =
wl_container_of(listener, output, needs_swap);
pixman_region32_union(&output->damage, &output->damage,
&output->wlr_output->damage);
wlr_output_schedule_frame(output->wlr_output);
}
static void set_mode(struct wlr_output *output,
struct roots_output_config *oc) {
int mhz = (int)(oc->mode.refresh_rate * 1000);
@ -721,17 +667,11 @@ void output_add_notify(struct wl_listener *listener, void *data) {
output->desktop = desktop;
output->wlr_output = wlr_output;
wl_list_insert(&desktop->outputs, &output->link);
pixman_region32_init(&output->damage);
for (size_t i = 0; i < ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN; ++i) {
pixman_region32_init(&output->previous_damage[i]);
}
output->frame.notify = output_handle_frame;
wl_signal_add(&wlr_output->events.frame, &output->frame);
output->mode.notify = output_handle_mode;
wl_signal_add(&wlr_output->events.mode, &output->mode);
output->needs_swap.notify = output_handle_needs_swap;
wl_signal_add(&wlr_output->events.needs_swap, &output->needs_swap);
output->damage = wlr_output_damage_create(wlr_output);
output->frame.notify = output_damage_handle_frame;
wl_signal_add(&output->damage->events.frame, &output->frame);
struct roots_output_config *output_config =
roots_config_get_output(config, wlr_output);
@ -782,13 +722,8 @@ void output_remove_notify(struct wl_listener *listener, void *data) {
//example_config_configure_cursor(sample->config, sample->cursor,
// sample->compositor);
pixman_region32_fini(&output->damage);
for (size_t i = 0; i < ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN; ++i) {
pixman_region32_fini(&output->previous_damage[i]);
}
wl_list_remove(&output->link);
wl_list_remove(&output->frame.link);
wl_list_remove(&output->mode.link);
wl_list_remove(&output->needs_swap.link);
wlr_output_damage_destroy(output->damage);
free(output);
}