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rootston: split rendering code into render.c

This commit is contained in:
emersion 2019-03-02 12:12:10 +01:00 committed by Drew DeVault
parent 242e9e3bf0
commit c2178d51a8
4 changed files with 345 additions and 317 deletions
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15
include/rootston/output.h
View File

@ -47,6 +47,15 @@ void output_view_for_each_surface(struct roots_output *output,
void output_drag_icons_for_each_surface(struct roots_output *output, void output_drag_icons_for_each_surface(struct roots_output *output,
struct roots_input *input, roots_surface_iterator_func_t iterator, struct roots_input *input, roots_surface_iterator_func_t iterator,
void *user_data); void *user_data);
void output_layer_for_each_surface(struct roots_output *output,
struct wl_list *layer_surfaces, roots_surface_iterator_func_t iterator,
void *user_data);
#if WLR_HAS_XWAYLAND
struct wlr_xwayland_surface;
void output_xwayland_children_for_each_surface(
struct roots_output *output, struct wlr_xwayland_surface *surface,
roots_surface_iterator_func_t iterator, void *user_data);
#endif
void output_for_each_surface(struct roots_output *output, void output_for_each_surface(struct roots_output *output,
roots_surface_iterator_func_t iterator, void *user_data); roots_surface_iterator_func_t iterator, void *user_data);
@ -67,4 +76,10 @@ void output_damage_from_local_surface(struct roots_output *output,
void output_damage_whole_local_surface(struct roots_output *output, void output_damage_whole_local_surface(struct roots_output *output,
struct wlr_surface *surface, double ox, double oy); struct wlr_surface *surface, double ox, double oy);
void output_render(struct roots_output *output);
void scale_box(struct wlr_box *box, float scale);
void get_decoration_box(struct roots_view *view,
struct roots_output *output, struct wlr_box *box);
#endif #endif

1
rootston/meson.build
View File

@ -9,6 +9,7 @@ sources = [
'layer_shell.c', 'layer_shell.c',
'main.c', 'main.c',
'output.c', 'output.c',
'render.c',
'seat.c', 'seat.c',
'switch.c', 'switch.c',
'text_input.c', 'text_input.c',

322
rootston/output.c
View File

@ -6,7 +6,6 @@
#include <wlr/backend/drm.h> #include <wlr/backend/drm.h>
#include <wlr/config.h> #include <wlr/config.h>
#include <wlr/types/wlr_compositor.h> #include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/types/wlr_output_layout.h> #include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_presentation_time.h> #include <wlr/types/wlr_presentation_time.h>
#include <wlr/types/wlr_wl_shell.h> #include <wlr/types/wlr_wl_shell.h>
@ -14,6 +13,7 @@
#include <wlr/types/wlr_xdg_shell.h> #include <wlr/types/wlr_xdg_shell.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include <wlr/util/region.h> #include <wlr/util/region.h>
#include <wlr/xwayland.h>
#include "rootston/config.h" #include "rootston/config.h"
#include "rootston/layers.h" #include "rootston/layers.h"
#include "rootston/output.h" #include "rootston/output.h"
@ -137,7 +137,7 @@ void output_view_for_each_surface(struct roots_output *output,
} }
#if WLR_HAS_XWAYLAND #if WLR_HAS_XWAYLAND
static void output_xwayland_children_for_each_surface( void output_xwayland_children_for_each_surface(
struct roots_output *output, struct wlr_xwayland_surface *surface, struct roots_output *output, struct wlr_xwayland_surface *surface,
roots_surface_iterator_func_t iterator, void *user_data) { roots_surface_iterator_func_t iterator, void *user_data) {
struct wlr_xwayland_surface *child; struct wlr_xwayland_surface *child;
@ -218,105 +218,18 @@ void output_for_each_surface(struct roots_output *output,
} }
} }
struct render_data {
pixman_region32_t *damage;
float alpha;
};
static void scissor_output(struct wlr_output *wlr_output,
pixman_box32_t *rect) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
assert(renderer);
struct wlr_box box = {
.x = rect->x1,
.y = rect->y1,
.width = rect->x2 - rect->x1,
.height = rect->y2 - rect->y1,
};
int ow, oh;
wlr_output_transformed_resolution(wlr_output, &ow, &oh);
enum wl_output_transform transform =
wlr_output_transform_invert(wlr_output->transform);
wlr_box_transform(&box, &box, transform, ow, oh);
wlr_renderer_scissor(renderer, &box);
}
static int scale_length(int length, int offset, float scale) { static int scale_length(int length, int offset, float scale) {
return round((offset + length) * scale) - round(offset * scale); return round((offset + length) * scale) - round(offset * scale);
} }
static void scale_box(struct wlr_box *box, float scale) { void scale_box(struct wlr_box *box, float scale) {
box->width = scale_length(box->width, box->x, scale); box->width = scale_length(box->width, box->x, scale);
box->height = scale_length(box->height, box->y, scale); box->height = scale_length(box->height, box->y, scale);
box->x = round(box->x * scale); box->x = round(box->x * scale);
box->y = round(box->y * scale); box->y = round(box->y * scale);
} }
static void render_texture(struct wlr_output *wlr_output, void get_decoration_box(struct roots_view *view,
pixman_region32_t *output_damage, struct wlr_texture *texture,
const struct wlr_box *box, const float matrix[static 9],
float rotation, float alpha) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
assert(renderer);
struct wlr_box rotated;
wlr_box_rotated_bounds(&rotated, box, rotation);
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_union_rect(&damage, &damage, rotated.x, rotated.y,
rotated.width, rotated.height);
pixman_region32_intersect(&damage, &damage, output_damage);
bool damaged = pixman_region32_not_empty(&damage);
if (!damaged) {
goto damage_finish;
}
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(wlr_output, &rects[i]);
wlr_render_texture_with_matrix(renderer, texture, matrix, alpha);
}
damage_finish:
pixman_region32_fini(&damage);
}
static void render_surface_iterator(struct roots_output *output,
struct wlr_surface *surface, struct wlr_box *_box, float rotation,
void *_data) {
struct render_data *data = _data;
struct wlr_output *wlr_output = output->wlr_output;
pixman_region32_t *output_damage = data->damage;
float alpha = data->alpha;
struct wlr_texture *texture = wlr_surface_get_texture(surface);
if (!texture) {
return;
}
struct wlr_box box = *_box;
scale_box(&box, wlr_output->scale);
float matrix[9];
enum wl_output_transform transform =
wlr_output_transform_invert(surface->current.transform);
wlr_matrix_project_box(matrix, &box, transform, rotation,
wlr_output->transform_matrix);
render_texture(wlr_output, output_damage,
texture, &box, matrix, rotation, alpha);
}
static void get_decoration_box(struct roots_view *view,
struct roots_output *output, struct wlr_box *box) { struct roots_output *output, struct wlr_box *box) {
struct wlr_output *wlr_output = output->wlr_output; struct wlr_output *wlr_output = output->wlr_output;
@ -338,231 +251,6 @@ static void get_decoration_box(struct roots_view *view,
box->height = deco_box.height * wlr_output->scale; box->height = deco_box.height * wlr_output->scale;
} }
static void render_decorations(struct roots_output *output,
struct roots_view *view, struct render_data *data) {
if (!view->decorated || view->wlr_surface == NULL) {
return;
}
struct wlr_renderer *renderer =
wlr_backend_get_renderer(output->wlr_output->backend);
assert(renderer);
struct wlr_box box;
get_decoration_box(view, output, &box);
struct wlr_box rotated;
wlr_box_rotated_bounds(&rotated, &box, view->rotation);
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_union_rect(&damage, &damage, rotated.x, rotated.y,
rotated.width, rotated.height);
pixman_region32_intersect(&damage, &damage, data->damage);
bool damaged = pixman_region32_not_empty(&damage);
if (!damaged) {
goto damage_finish;
}
float matrix[9];
wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL,
view->rotation, output->wlr_output->transform_matrix);
float color[] = { 0.2, 0.2, 0.2, view->alpha };
int nrects;
pixman_box32_t *rects =
pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(output->wlr_output, &rects[i]);
wlr_render_quad_with_matrix(renderer, color, matrix);
}
damage_finish:
pixman_region32_fini(&damage);
}
static void render_view(struct roots_output *output, struct roots_view *view,
struct render_data *data) {
// Do not render views fullscreened on other outputs
if (view->fullscreen_output != NULL && view->fullscreen_output != output) {
return;
}
data->alpha = view->alpha;
if (view->fullscreen_output == NULL) {
render_decorations(output, view, data);
}
output_view_for_each_surface(output, view, render_surface_iterator, data);
}
static void render_layer(struct roots_output *output,
pixman_region32_t *damage, struct wl_list *layer_surfaces) {
struct render_data data = {
.damage = damage,
.alpha = 1.0f,
};
output_layer_for_each_surface(output, layer_surfaces,
render_surface_iterator, &data);
}
static void render_drag_icons(struct roots_output *output,
pixman_region32_t *damage, struct roots_input *input) {
struct render_data data = {
.damage = damage,
.alpha = 1.0f,
};
output_drag_icons_for_each_surface(output, input,
render_surface_iterator, &data);
}
static void surface_send_frame_done_iterator(struct roots_output *output,
struct wlr_surface *surface, struct wlr_box *box, float rotation,
void *data) {
struct timespec *when = data;
wlr_surface_send_frame_done(surface, when);
}
static void render_output(struct roots_output *output) {
struct wlr_output *wlr_output = output->wlr_output;
struct roots_desktop *desktop = output->desktop;
struct roots_server *server = desktop->server;
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
assert(renderer);
if (!wlr_output->enabled) {
return;
}
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
float clear_color[] = {0.25f, 0.25f, 0.25f, 1.0f};
const struct wlr_box *output_box =
wlr_output_layout_get_box(desktop->layout, wlr_output);
// Check if we can delegate the fullscreen surface to the output
if (output->fullscreen_view != NULL &&
output->fullscreen_view->wlr_surface != NULL) {
struct roots_view *view = output->fullscreen_view;
// Make sure the view is centered on screen
struct wlr_box view_box;
view_get_box(view, &view_box);
double view_x = (double)(output_box->width - view_box.width) / 2 +
output_box->x;
double view_y = (double)(output_box->height - view_box.height) / 2 +
output_box->y;
view_move(view, view_x, view_y);
// Fullscreen views are rendered on a black background
clear_color[0] = clear_color[1] = clear_color[2] = 0;
}
bool needs_swap;
pixman_region32_t damage;
pixman_region32_init(&damage);
if (!wlr_output_damage_make_current(output->damage, &needs_swap, &damage)) {
return;
}
struct render_data data = {
.damage = &damage,
.alpha = 1.0,
};
if (!needs_swap) {
// Output doesn't need swap and isn't damaged, skip rendering completely
goto damage_finish;
}
wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
if (!pixman_region32_not_empty(&damage)) {
// Output isn't damaged but needs buffer swap
goto renderer_end;
}
if (server->config->debug_damage_tracking) {
wlr_renderer_clear(renderer, (float[]){1, 1, 0, 1});
}
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(output->wlr_output, &rects[i]);
wlr_renderer_clear(renderer, clear_color);
}
render_layer(output, &damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
render_layer(output, &damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
// If a view is fullscreen on this output, render it
if (output->fullscreen_view != NULL) {
struct roots_view *view = output->fullscreen_view;
render_view(output, view, &data);
// 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 WLR_HAS_XWAYLAND
if (view->type == ROOTS_XWAYLAND_VIEW) {
struct roots_xwayland_surface *xwayland_surface =
roots_xwayland_surface_from_view(view);
output_xwayland_children_for_each_surface(output,
xwayland_surface->xwayland_surface,
render_surface_iterator, &data);
}
#endif
} else {
// Render all views
struct roots_view *view;
wl_list_for_each_reverse(view, &desktop->views, link) {
render_view(output, view, &data);
}
// Render top layer above shell views
render_layer(output, &damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
}
render_drag_icons(output, &damage, server->input);
render_layer(output, &damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
renderer_end:
wlr_output_render_software_cursors(wlr_output, &damage);
wlr_renderer_scissor(renderer, NULL);
wlr_renderer_end(renderer);
int width, height;
wlr_output_transformed_resolution(wlr_output, &width, &height);
if (server->config->debug_damage_tracking) {
pixman_region32_union_rect(&damage, &damage, 0, 0, width, height);
}
enum wl_output_transform transform =
wlr_output_transform_invert(wlr_output->transform);
wlr_region_transform(&damage, &damage, transform, width, height);
if (!wlr_output_damage_swap_buffers(output->damage, &now, &damage)) {
goto damage_finish;
}
output->last_frame = desktop->last_frame = now;
damage_finish:
pixman_region32_fini(&damage);
// Send frame done events to all surfaces
output_for_each_surface(output, surface_send_frame_done_iterator,
&now);
}
void output_damage_whole(struct roots_output *output) { void output_damage_whole(struct roots_output *output) {
wlr_output_damage_add_whole(output->damage); wlr_output_damage_add_whole(output->damage);
} }
@ -743,7 +431,7 @@ static void output_damage_handle_frame(struct wl_listener *listener,
void *data) { void *data) {
struct roots_output *output = struct roots_output *output =
wl_container_of(listener, output, damage_frame); wl_container_of(listener, output, damage_frame);
render_output(output); output_render(output);
} }
static void output_damage_handle_destroy(struct wl_listener *listener, static void output_damage_handle_destroy(struct wl_listener *listener,

324
rootston/render.c Normal file
View File

@ -0,0 +1,324 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <time.h>
#include <wlr/config.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/util/log.h>
#include <wlr/util/region.h>
#include "rootston/layers.h"
#include "rootston/output.h"
#include "rootston/server.h"
struct render_data {
pixman_region32_t *damage;
float alpha;
};
static void scissor_output(struct wlr_output *wlr_output,
pixman_box32_t *rect) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
assert(renderer);
struct wlr_box box = {
.x = rect->x1,
.y = rect->y1,
.width = rect->x2 - rect->x1,
.height = rect->y2 - rect->y1,
};
int ow, oh;
wlr_output_transformed_resolution(wlr_output, &ow, &oh);
enum wl_output_transform transform =
wlr_output_transform_invert(wlr_output->transform);
wlr_box_transform(&box, &box, transform, ow, oh);
wlr_renderer_scissor(renderer, &box);
}
static void render_texture(struct wlr_output *wlr_output,
pixman_region32_t *output_damage, struct wlr_texture *texture,
const struct wlr_box *box, const float matrix[static 9],
float rotation, float alpha) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
assert(renderer);
struct wlr_box rotated;
wlr_box_rotated_bounds(&rotated, box, rotation);
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_union_rect(&damage, &damage, rotated.x, rotated.y,
rotated.width, rotated.height);
pixman_region32_intersect(&damage, &damage, output_damage);
bool damaged = pixman_region32_not_empty(&damage);
if (!damaged) {
goto damage_finish;
}
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(wlr_output, &rects[i]);
wlr_render_texture_with_matrix(renderer, texture, matrix, alpha);
}
damage_finish:
pixman_region32_fini(&damage);
}
static void render_surface_iterator(struct roots_output *output,
struct wlr_surface *surface, struct wlr_box *_box, float rotation,
void *_data) {
struct render_data *data = _data;
struct wlr_output *wlr_output = output->wlr_output;
pixman_region32_t *output_damage = data->damage;
float alpha = data->alpha;
struct wlr_texture *texture = wlr_surface_get_texture(surface);
if (!texture) {
return;
}
struct wlr_box box = *_box;
scale_box(&box, wlr_output->scale);
float matrix[9];
enum wl_output_transform transform =
wlr_output_transform_invert(surface->current.transform);
wlr_matrix_project_box(matrix, &box, transform, rotation,
wlr_output->transform_matrix);
render_texture(wlr_output, output_damage,
texture, &box, matrix, rotation, alpha);
}
static void render_decorations(struct roots_output *output,
struct roots_view *view, struct render_data *data) {
if (!view->decorated || view->wlr_surface == NULL) {
return;
}
struct wlr_renderer *renderer =
wlr_backend_get_renderer(output->wlr_output->backend);
assert(renderer);
struct wlr_box box;
get_decoration_box(view, output, &box);
struct wlr_box rotated;
wlr_box_rotated_bounds(&rotated, &box, view->rotation);
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_union_rect(&damage, &damage, rotated.x, rotated.y,
rotated.width, rotated.height);
pixman_region32_intersect(&damage, &damage, data->damage);
bool damaged = pixman_region32_not_empty(&damage);
if (!damaged) {
goto damage_finish;
}
float matrix[9];
wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL,
view->rotation, output->wlr_output->transform_matrix);
float color[] = { 0.2, 0.2, 0.2, view->alpha };
int nrects;
pixman_box32_t *rects =
pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(output->wlr_output, &rects[i]);
wlr_render_quad_with_matrix(renderer, color, matrix);
}
damage_finish:
pixman_region32_fini(&damage);
}
static void render_view(struct roots_output *output, struct roots_view *view,
struct render_data *data) {
// Do not render views fullscreened on other outputs
if (view->fullscreen_output != NULL && view->fullscreen_output != output) {
return;
}
data->alpha = view->alpha;
if (view->fullscreen_output == NULL) {
render_decorations(output, view, data);
}
output_view_for_each_surface(output, view, render_surface_iterator, data);
}
static void render_layer(struct roots_output *output,
pixman_region32_t *damage, struct wl_list *layer_surfaces) {
struct render_data data = {
.damage = damage,
.alpha = 1.0f,
};
output_layer_for_each_surface(output, layer_surfaces,
render_surface_iterator, &data);
}
static void render_drag_icons(struct roots_output *output,
pixman_region32_t *damage, struct roots_input *input) {
struct render_data data = {
.damage = damage,
.alpha = 1.0f,
};
output_drag_icons_for_each_surface(output, input,
render_surface_iterator, &data);
}
static void surface_send_frame_done_iterator(struct roots_output *output,
struct wlr_surface *surface, struct wlr_box *box, float rotation,
void *data) {
struct timespec *when = data;
wlr_surface_send_frame_done(surface, when);
}
void output_render(struct roots_output *output) {
struct wlr_output *wlr_output = output->wlr_output;
struct roots_desktop *desktop = output->desktop;
struct roots_server *server = desktop->server;
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
assert(renderer);
if (!wlr_output->enabled) {
return;
}
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
float clear_color[] = {0.25f, 0.25f, 0.25f, 1.0f};
const struct wlr_box *output_box =
wlr_output_layout_get_box(desktop->layout, wlr_output);
// Check if we can delegate the fullscreen surface to the output
if (output->fullscreen_view != NULL &&
output->fullscreen_view->wlr_surface != NULL) {
struct roots_view *view = output->fullscreen_view;
// Make sure the view is centered on screen
struct wlr_box view_box;
view_get_box(view, &view_box);
double view_x = (double)(output_box->width - view_box.width) / 2 +
output_box->x;
double view_y = (double)(output_box->height - view_box.height) / 2 +
output_box->y;
view_move(view, view_x, view_y);
// Fullscreen views are rendered on a black background
clear_color[0] = clear_color[1] = clear_color[2] = 0;
}
bool needs_swap;
pixman_region32_t damage;
pixman_region32_init(&damage);
if (!wlr_output_damage_make_current(output->damage, &needs_swap, &damage)) {
return;
}
struct render_data data = {
.damage = &damage,
.alpha = 1.0,
};
if (!needs_swap) {
// Output doesn't need swap and isn't damaged, skip rendering completely
goto damage_finish;
}
wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
if (!pixman_region32_not_empty(&damage)) {
// Output isn't damaged but needs buffer swap
goto renderer_end;
}
if (server->config->debug_damage_tracking) {
wlr_renderer_clear(renderer, (float[]){1, 1, 0, 1});
}
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(output->wlr_output, &rects[i]);
wlr_renderer_clear(renderer, clear_color);
}
render_layer(output, &damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
render_layer(output, &damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
// If a view is fullscreen on this output, render it
if (output->fullscreen_view != NULL) {
struct roots_view *view = output->fullscreen_view;
render_view(output, view, &data);
// 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 WLR_HAS_XWAYLAND
if (view->type == ROOTS_XWAYLAND_VIEW) {
struct roots_xwayland_surface *xwayland_surface =
roots_xwayland_surface_from_view(view);
output_xwayland_children_for_each_surface(output,
xwayland_surface->xwayland_surface,
render_surface_iterator, &data);
}
#endif
} else {
// Render all views
struct roots_view *view;
wl_list_for_each_reverse(view, &desktop->views, link) {
render_view(output, view, &data);
}
// Render top layer above shell views
render_layer(output, &damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
}
render_drag_icons(output, &damage, server->input);
render_layer(output, &damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
renderer_end:
wlr_output_render_software_cursors(wlr_output, &damage);
wlr_renderer_scissor(renderer, NULL);
wlr_renderer_end(renderer);
int width, height;
wlr_output_transformed_resolution(wlr_output, &width, &height);
if (server->config->debug_damage_tracking) {
pixman_region32_union_rect(&damage, &damage, 0, 0, width, height);
}
enum wl_output_transform transform =
wlr_output_transform_invert(wlr_output->transform);
wlr_region_transform(&damage, &damage, transform, width, height);
if (!wlr_output_damage_swap_buffers(output->damage, &now, &damage)) {
goto damage_finish;
}
output->last_frame = desktop->last_frame = now;
damage_finish:
pixman_region32_fini(&damage);
// Send frame done events to all surfaces
output_for_each_surface(output, surface_send_frame_done_iterator,
&now);
}