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win: split WIN_FLAGS_IMAGE_STALE

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Split it into PIXMAP_STALE and SHADOW_STALE, this allows us to update
pixmaps and shadow images separately.

Also added PIXMAP_NONE and SHADOW_NONE, as redundancy to detect logic
errors.

Convenient constants and functions are provided for updating pixmap and
shadow together.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2019-09-19 18:48:12 +01:00
parent 1549997811
commit eecee130b8
5 changed files with 143 additions and 66 deletions
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11
src/compton.c
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@@ -662,7 +662,7 @@ static void destroy_backend(session_t *ps) {
if (ps->backend_data) {
if (w->state == WSTATE_MAPPED) {
win_release_image(ps->backend_data, w);
win_release_images(ps->backend_data, w);
} else {
assert(!w->win_image);
assert(!w->shadow_image);
@@ -753,9 +753,12 @@ static bool initialize_backend(session_t *ps) {
}
auto w = (struct managed_win *)_w;
if (w->a.map_state == XCB_MAP_STATE_VIEWABLE) {
if (!win_bind_image(ps, w)) {
w->flags |= WIN_FLAGS_IMAGE_ERROR;
}
win_bind_image(ps->backend_data, w,
(struct color){.red = ps->o.shadow_red,
.green = ps->o.shadow_green,
.blue = ps->o.shadow_blue,
.alpha = ps->o.shadow_opacity},
ps->gaussian_map);
}
}
}