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compositor: Add a repaint debugging mechanism

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This commit is contained in:
Kristian Høgsberg
2012-03-04 14:53:40 -05:00
parent f98d903b6d
commit b41c0810ea
1 changed files with 40 additions and 0 deletions
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src/shell.c
+40
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@@ -73,6 +73,8 @@ struct wl_shell {
struct wl_list surfaces;
struct weston_process process;
} screensaver;
struct weston_surface *debug_repaint_surface;
};
enum shell_surface_type {
@@ -1969,6 +1971,41 @@ backlight_binding(struct wl_input_device *device, uint32_t time,
output->set_backlight(output, output->backlight_current);
}
static void
debug_repaint_binding(struct wl_input_device *device, uint32_t time,
uint32_t key, uint32_t button, uint32_t state, void *data)
{
struct weston_compositor *compositor = data;
struct wl_shell *shell =
container_of(compositor->shell, struct wl_shell, shell);
struct weston_surface *surface;
if (shell->debug_repaint_surface) {
weston_surface_destroy(shell->debug_repaint_surface);
shell->debug_repaint_surface = NULL;
} else {
surface = weston_surface_create(compositor);
weston_surface_set_color(surface, 1.0, 0.0, 0.0, 0.2);
weston_surface_configure(surface, 0, 0, 8192, 8192);
wl_list_insert(&compositor->fade_layer.surface_list,
&surface->layer_link);
weston_surface_assign_output(surface);
pixman_region32_init(&surface->input);
/* Here's the dirty little trick that makes the
* repaint debugging work: we force an
* update_transform first to update dependent state
* and clear the geometry.dirty bit. Then we clear
* the surface damage so it only gets repainted
* piecewise as we repaint other things. */
weston_surface_update_transform(surface);
pixman_region32_fini(&surface->damage);
pixman_region32_init(&surface->damage);
shell->debug_repaint_surface = surface;
}
}
static void
shell_destroy(struct weston_shell *base)
{
@@ -2060,6 +2097,9 @@ shell_init(struct weston_compositor *ec)
weston_compositor_add_binding(ec, KEY_BRIGHTNESSUP, 0, 0,
backlight_binding, ec);
weston_compositor_add_binding(ec, KEY_SPACE, 0, MODIFIER_SUPER,
debug_repaint_binding, ec);
ec->shell = &shell->shell;
return 0;