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compositor: Stop repainting below opaque surfaces

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This commit is contained in:
Kristian Høgsberg 2011-06-23 21:25:20 -04:00
parent 53df1d8a6b
commit aee7f84347
1 changed files with 13 additions and 9 deletions
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22
compositor/compositor.c
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@ -751,7 +751,7 @@ 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 clip, new_damage, total_damage, region;
pixman_region32_t clip, new_damage, total_damage, region, opaque;
output->prepare_render(output);
@ -825,18 +825,22 @@ wlsc_output_repaint(struct wlsc_output *output)
glClear(GL_COLOR_BUFFER_BIT);
wlsc_surface_draw(es, output, &total_damage);
} else {
glUseProgram(ec->texture_shader.program);
wl_list_for_each_reverse(es, &ec->surface_list, link) {
if (ec->overlay == es)
continue;
pixman_region32_init(&opaque);
wl_list_for_each(es, &ec->surface_list, link) {
pixman_region32_subtract(&es->damage, &total_damage, &opaque);
if (es->visual == &ec->compositor.rgb_visual)
pixman_region32_union_rect(&opaque, &opaque,
es->x, es->y, es->width, es->height);
}
pixman_region32_fini(&opaque);
wlsc_surface_draw(es, output, &total_damage);
wl_list_for_each_reverse(es, &ec->surface_list, link) {
wlsc_surface_draw(es, output, &es->damage);
pixman_region32_fini(&es->damage);
pixman_region32_init(&es->damage);
}
}
if (ec->overlay)
wlsc_surface_draw(ec->overlay, output, &total_damage);
if (ec->fade.spring.current > 0.001)
fade_output(output, ec->fade.spring.current, &total_damage);
}