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compositor: Clip away obscured damage

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This commit is contained in:
Kristian Høgsberg 2011-06-23 20:46:34 -04:00
parent 20300ba112
commit 8b72f60478
2 changed files with 21 additions and 11 deletions
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30
compositor/compositor.c
View File

@ -734,7 +734,7 @@ wlsc_output_repaint(struct wlsc_output *output)
struct wlsc_compositor *ec = output->compositor;
struct wlsc_surface *es;
struct wlsc_input_device *device;
pixman_region32_t new_damage, total_damage;
pixman_region32_t clip, new_damage, total_damage, region;
output->prepare_render(output);
@ -745,16 +745,26 @@ wlsc_output_repaint(struct wlsc_output *output)
1, GL_FALSE, output->matrix.d);
glUniform1i(ec->texture_shader.tex_uniform, 0);
wl_list_for_each(es, &ec->surface_list, link)
pixman_region32_union(&ec->damage, &ec->damage, &es->damage);
pixman_region32_init(&new_damage);
pixman_region32_init(&total_damage);
pixman_region32_intersect(&new_damage, &ec->damage, &output->region);
pixman_region32_subtract(&ec->damage, &ec->damage, &new_damage);
pixman_region32_init(&clip);
pixman_region32_copy(&clip, &output->region);
wl_list_for_each(es, &ec->surface_list, link) {
pixman_region32_intersect(&es->damage, &es->damage, &clip);
pixman_region32_union(&new_damage, &new_damage, &es->damage);
if (es->visual == &ec->compositor.rgb_visual) {
pixman_region32_init_rect(&region, es->x, es->y, es->width, es->height);
pixman_region32_subtract(&clip, &clip, &region);
pixman_region32_fini(&region);
}
}
pixman_region32_subtract(&ec->damage, &ec->damage, &output->region);
pixman_region32_init(&total_damage);
pixman_region32_union(&total_damage, &new_damage,
&output->previous_damage_region);
pixman_region32_copy(&output->previous_damage_region, &new_damage);
&output->previous_damage);
pixman_region32_copy(&output->previous_damage, &new_damage);
device = (struct wlsc_input_device *) ec->input_device;
if (ec->focus && ec->fade.spring.current < 0.001) {
@ -1684,7 +1694,7 @@ WL_EXPORT void
wlsc_output_destroy(struct wlsc_output *output)
{
pixman_region32_fini(&output->region);
pixman_region32_fini(&output->previous_damage_region);
pixman_region32_fini(&output->previous_damage);
destroy_surface(&output->background->surface.resource, NULL);
}
@ -1702,7 +1712,7 @@ wlsc_output_move(struct wlsc_output *output, int x, int y)
output->background->y = y;
}
pixman_region32_init(&output->previous_damage_region);
pixman_region32_init(&output->previous_damage);
pixman_region32_init_rect(&output->region, x, y,
output->current->width,
output->current->height);

2
compositor/compositor.h
View File

@ -68,7 +68,7 @@ struct wlsc_output {
struct wlsc_matrix matrix;
int32_t x, y, mm_width, mm_height;
pixman_region32_t region;
pixman_region32_t previous_damage_region;
pixman_region32_t previous_damage;
uint32_t flags;
int repaint_needed;
int repaint_scheduled;