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rootston: fix double-buffering artifacts

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master
emersion 7 years ago
parent 7c11d3e372
commit 8b3f3ddb7f
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GPG Key ID: 0FDE7BE0E88F5E48
2 changed files with 51 additions and 39 deletions
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2
include/rootston/output.h
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@ -16,7 +16,7 @@ struct roots_output {
struct wl_listener frame;
struct timespec last_frame;
pixman_region32_t damage;
pixman_region32_t damage, previous_damage;
struct wl_event_source *repaint_timer;
};

88
rootston/output.c
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@ -50,7 +50,7 @@ static bool surface_intersect_output(struct wlr_surface *surface,
static void render_surface(struct wlr_surface *surface,
struct roots_output *output, struct timespec *when,
double lx, double ly, float rotation) {
pixman_region32_t *damage, double lx, double ly, float rotation) {
if (!wlr_surface_has_buffer(surface)) {
return;
}
@ -68,8 +68,7 @@ static void render_surface(struct wlr_surface *surface,
pixman_region32_init(&surface_damage);
pixman_region32_union_rect(&surface_damage, &surface_damage, box.x, box.y,
box.width, box.height);
pixman_region32_intersect(&surface_damage, &surface_damage,
&output->damage);
pixman_region32_intersect(&surface_damage, &surface_damage, damage);
bool damaged = pixman_region32_not_empty(&surface_damage);
if (!damaged) {
goto finish_surface_damage;
@ -145,14 +144,15 @@ render_subsurfaces:;
rotate_child_position(&sx, &sy, sw, sh, surface->current->width,
surface->current->height, rotation);
render_surface(subsurface->surface, output, when, lx + sx, ly + sy,
rotation);
render_surface(subsurface->surface, output, when, damage,
lx + sx, ly + sy, rotation);
}
}
static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface,
struct roots_output *output, struct timespec *when,
double base_x, double base_y, float rotation) {
pixman_region32_t *damage, double base_x, double base_y,
float rotation) {
double width = surface->surface->current->width;
double height = surface->surface->current->height;
@ -170,18 +170,20 @@ static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface,
rotate_child_position(&popup_sx, &popup_sy, popup_width, popup_height,
width, height, rotation);
render_surface(popup->surface, output, when,
render_surface(popup->surface, output, when, damage,
base_x + popup_sx, base_y + popup_sy, rotation);
render_xdg_v6_popups(popup, output, when,
render_xdg_v6_popups(popup, output, when, damage,
base_x + popup_sx, base_y + popup_sy, rotation);
}
}
static void render_wl_shell_surface(struct wlr_wl_shell_surface *surface,
struct roots_output *output, struct timespec *when,
double lx, double ly, float rotation, bool is_child) {
pixman_region32_t *damage, double lx, double ly, float rotation,
bool is_child) {
if (is_child || surface->state != WLR_WL_SHELL_SURFACE_STATE_POPUP) {
render_surface(surface->surface, output, when, lx, ly, rotation);
render_surface(surface->surface, output, when, damage, lx, ly,
rotation);
double width = surface->surface->current->width;
double height = surface->surface->current->height;
@ -196,40 +198,41 @@ static void render_wl_shell_surface(struct wlr_wl_shell_surface *surface,
rotate_child_position(&popup_x, &popup_y, popup_width, popup_height,
width, height, rotation);
render_wl_shell_surface(popup, output, when,
render_wl_shell_surface(popup, output, when, damage,
lx + popup_x, ly + popup_y, rotation, true);
}
}
}
static void render_xwayland_children(struct wlr_xwayland_surface *surface,
struct roots_output *output, struct timespec *when) {
struct roots_output *output, struct timespec *when,
pixman_region32_t *damage) {
struct wlr_xwayland_surface *child;
wl_list_for_each(child, &surface->children, parent_link) {
if (child->surface != NULL && child->added) {
render_surface(child->surface, output, when,
render_surface(child->surface, output, when, damage,
child->x, child->y, 0);
}
render_xwayland_children(child, output, when);
render_xwayland_children(child, output, when, damage);
}
}
static void render_view(struct roots_view *view, struct roots_output *output,
struct timespec *when) {
struct timespec *when, pixman_region32_t *damage) {
switch (view->type) {
case ROOTS_XDG_SHELL_V6_VIEW:
render_surface(view->wlr_surface, output, when, view->x, view->y,
view->rotation);
render_xdg_v6_popups(view->xdg_surface_v6, output, when,
render_surface(view->wlr_surface, output, when, damage,
view->x, view->y, view->rotation);
render_xdg_v6_popups(view->xdg_surface_v6, output, when, damage,
view->x, view->y, view->rotation);
break;
case ROOTS_WL_SHELL_VIEW:
render_wl_shell_surface(view->wl_shell_surface, output, when,
render_wl_shell_surface(view->wl_shell_surface, output, when, damage,
view->x, view->y, view->rotation, false);
break;
case ROOTS_XWAYLAND_VIEW:
render_surface(view->wlr_surface, output, when, view->x, view->y,
view->rotation);
render_surface(view->wlr_surface, output, when, damage,
view->x, view->y, view->rotation);
break;
}
}
@ -263,31 +266,36 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_union(&damage, &output->damage, &output->previous_damage);
// TODO: use real wlr_output damage
if (wlr_output->needs_swap) {
int width, height;
wlr_output_effective_resolution(wlr_output, &width, &height);
pixman_region32_union_rect(&output->damage, &output->damage, 0, 0,
width, height);
pixman_region32_union_rect(&output->damage, &output->damage,
0, 0, width, height);
}
// TODO: fullscreen
if (!pixman_region32_not_empty(&output->damage) &&
!wlr_output->needs_swap) {
if (!pixman_region32_not_empty(&output->damage)) {
float hz = wlr_output->refresh / 1000.0f;
if (hz <= 0) {
hz = 60;
}
wl_event_source_timer_update(output->repaint_timer, 1000.0f / hz);
goto clear_damage;
pixman_region32_clear(&output->damage);
goto damage_finish;
}
wlr_log(L_DEBUG, "render");
wlr_output_make_current(wlr_output);
wlr_renderer_begin(server->renderer, wlr_output);
glEnable(GL_SCISSOR_TEST);
int nrects;
pixman_box32_t *rects =
pixman_region32_rectangles(&output->damage, &nrects);
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
glScissor(rects[i].x1, wlr_output->height - rects[i].y2,
rects[i].x2 - rects[i].x1, rects[i].y2 - rects[i].y1);
@ -317,13 +325,14 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
render_view(view, output, &now);
render_view(view, output, &now, &damage);
// During normal rendering the xwayland window tree isn't traversed
// because all windows are rendered. Here we only want to render
// the fullscreen window's children so we have to traverse the tree.
if (view->type == ROOTS_XWAYLAND_VIEW) {
render_xwayland_children(view->xwayland_surface, output, &now);
render_xwayland_children(view->xwayland_surface, output, &now,
&damage);
}
}
@ -334,7 +343,7 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
struct roots_view *view;
wl_list_for_each_reverse(view, &desktop->views, link) {
render_view(view, output, &now);
render_view(view, output, &now, &damage);
}
struct wlr_drag_icon *drag_icon = NULL;
@ -350,14 +359,14 @@ static void output_handle_frame(struct wl_listener *listener, void *data) {
if (drag_icon->is_pointer) {
icon_x = cursor->x + drag_icon->sx;
icon_y = cursor->y + drag_icon->sy;
render_surface(icon, output, &now, icon_x, icon_y, 0);
render_surface(icon, output, &now, &damage, icon_x, icon_y, 0);
} else {
struct wlr_touch_point *point =
wlr_seat_touch_get_point(seat->seat, drag_icon->touch_id);
if (point) {
icon_x = seat->touch_x + drag_icon->sx;
icon_y = seat->touch_y + drag_icon->sy;
render_surface(icon, output, &now, icon_x, icon_y, 0);
render_surface(icon, output, &now, &damage, icon_x, icon_y, 0);
}
}
}
@ -367,10 +376,12 @@ renderer_end:
glDisable(GL_SCISSOR_TEST);
wlr_renderer_end(server->renderer);
wlr_output_swap_buffers(wlr_output);
clear_damage:
pixman_region32_copy(&output->previous_damage, &output->damage);
pixman_region32_clear(&output->damage);
output->last_frame = desktop->last_frame = now;
damage_finish:
pixman_region32_fini(&damage);
}
static int handle_repaint(void *data) {
@ -392,9 +403,8 @@ static void output_damage_whole_surface(struct roots_output *output,
return;
}
pixman_region32_union_rect(&output->damage, &output->damage, box.x, box.y,
box.width, box.height);
pixman_region32_union_rect(&output->damage, &output->damage,
box.x, box.y, box.width, box.height);
}
void output_damage_whole_view(struct roots_output *output,
@ -462,6 +472,7 @@ void output_add_notify(struct wl_listener *listener, void *data) {
output->wlr_output = wlr_output;
wl_list_insert(&desktop->outputs, &output->link);
pixman_region32_init(&output->damage);
pixman_region32_init(&output->previous_damage);
struct wl_event_loop *ev =
wl_display_get_event_loop(desktop->server->wl_display);
output->repaint_timer = wl_event_loop_add_timer(ev, handle_repaint, output);
@ -518,6 +529,7 @@ void output_remove_notify(struct wl_listener *listener, void *data) {
wl_event_source_remove(output->repaint_timer);
pixman_region32_fini(&output->damage);
pixman_region32_fini(&output->previous_damage);
wl_list_remove(&output->link);
wl_list_remove(&output->frame.link);
free(output);

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