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Remove several unnecessary experimental_backends check

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Window flags can be set whichever backend we use, we will ignore then in
paint_preprocess. free_paint can be called whichever backend we use,
they just do nothing if we use experimental backends.

Others should rather just check if backend_data is NULL.

Making the code slightly more understandable, also making the eventual
removal of these checks easier.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui 2019-04-20 05:26:20 +01:00
parent 8e5210cb9c
commit f93f697759
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GPG key ID: 37C999F617EA1A47
2 changed files with 55 additions and 55 deletions
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59
src/compton.c
View file

@ -475,6 +475,11 @@ static struct managed_win *paint_preprocess(session_t *ps, bool *fade_running) {
rc_region_unref(&w->reg_ignore);
}
// Clear flags if we are not using experimental backends
if (!ps->o.experimental_backends) {
w->flags = 0;
}
// log_trace("%d %d %s", w->a.map_state, w->ever_damaged, w->name);
// Give up if it's not damaged or invisible, or it's unmapped and its
@ -700,7 +705,7 @@ static void destroy_backend(session_t *ps) {
if (!w) {
continue;
}
if (ps->o.experimental_backends) {
if (ps->backend_data) {
if (w->state == WSTATE_MAPPED) {
win_release_image(ps->backend_data, w);
} else {
@ -712,12 +717,11 @@ static void destroy_backend(session_t *ps) {
ps->root_image);
ps->root_image = NULL;
}
} else {
free_paint(ps, &w->paint);
}
free_paint(ps, &w->paint);
}
if (ps->o.experimental_backends) {
if (ps->backend_data) {
// deinit backend
ps->backend_data->ops->deinit(ps->backend_data);
ps->backend_data = NULL;
@ -762,17 +766,20 @@ void configure_root(session_t *ps, int width, int height) {
log_info("Root configuration changed, new geometry: %dx%d", width, height);
// On root window changes
bool has_root_change = false;
if (ps->o.experimental_backends && ps->redirected) {
if (ps->o.experimental_backends) {
has_root_change = ps->backend_data->ops->root_change != NULL;
if (!has_root_change) {
// deinit/reinit backend and free up resources if the backend
// cannot handle root change
destroy_backend(ps);
}
} else {
free_paint(ps, &ps->tgt_buffer);
// Old backend can handle root change
has_root_change = true;
}
if (!has_root_change) {
// deinit/reinit backend and free up resources if the backend
// cannot handle root change
destroy_backend(ps);
}
free_paint(ps, &ps->tgt_buffer);
ps->root_width = width;
ps->root_height = height;
@ -796,20 +803,21 @@ void configure_root(session_t *ps, int width, int height) {
glx_on_root_change(ps);
}
#endif
if (ps->o.experimental_backends && ps->redirected) {
if (has_root_change) {
if (has_root_change) {
if (ps->backend_data != NULL) {
ps->backend_data->ops->root_change(ps->backend_data, ps);
} else {
if (!initialize_backend(ps)) {
log_fatal("Failed to re-initialize backend after root "
"change, aborting...");
ps->quit = true;
// TODO only event handlers should request ev_break,
// otherwise it's too hard to keep track of what can break
// the event loop
ev_break(ps->loop, EVBREAK_ALL);
return;
}
}
// Old backend's root_change is not a specific function
} else {
if (!initialize_backend(ps)) {
log_fatal("Failed to re-initialize backend after root "
"change, aborting...");
ps->quit = true;
// TODO only event handlers should request ev_break,
// otherwise it's too hard to keep track of what can break
// the event loop
ev_break(ps->loop, EVBREAK_ALL);
return;
}
}
force_repaint(ps);
@ -900,7 +908,7 @@ void root_damaged(session_t *ps) {
return;
}
if (ps->o.experimental_backends) {
if (ps->backend_data) {
if (ps->root_image) {
ps->backend_data->ops->release_image(ps->backend_data, ps->root_image);
}
@ -1295,6 +1303,7 @@ static bool redir_start(session_t *ps) {
}
if (ps->o.experimental_backends) {
assert(ps->backend_data);
ps->ndamage = ps->backend_data->ops->max_buffer_age;
} else {
ps->ndamage = maximum_buffer_age(ps);

51
src/win.c
View file

@ -550,7 +550,7 @@ void win_set_shadow(session_t *ps, struct managed_win *w, bool shadow_new) {
log_debug("Updating shadow property of window %#010x (%s) to %d", w->base.id,
w->name, shadow_new);
if (ps->o.experimental_backends && ps->redirected &&
if (ps->backend_data &&
w->state != WSTATE_UNMAPPED && !(w->flags & WIN_FLAGS_IMAGE_ERROR)) {
assert(!w->shadow_image);
// Create shadow image
@ -783,17 +783,15 @@ void win_on_win_size_change(session_t *ps, struct managed_win *w) {
w->shadow_dy = ps->o.shadow_offset_y;
w->shadow_width = w->widthb + ps->o.shadow_radius * 2;
w->shadow_height = w->heightb + ps->o.shadow_radius * 2;
// Invalidate the shadow we built
if (ps->o.experimental_backends && ps->redirected) {
if (w->state == WSTATE_MAPPED || w->state == WSTATE_MAPPING ||
w->state == WSTATE_FADING) {
w->flags |= WIN_FLAGS_IMAGE_STALE;
} else {
assert(w->state == WSTATE_UNMAPPED);
}
if (w->state == WSTATE_MAPPED || w->state == WSTATE_MAPPING ||
w->state == WSTATE_FADING) {
w->flags |= WIN_FLAGS_IMAGE_STALE;
} else {
free_paint(ps, &w->shadow_paint);
assert(w->state == WSTATE_UNMAPPED);
}
free_paint(ps, &w->shadow_paint);
}
/**
@ -1448,19 +1446,15 @@ void win_update_bounding_shape(session_t *ps, struct managed_win *w) {
}
// Window shape changed, we should free old wpaint and shadow pict
if (ps->o.experimental_backends) {
// log_trace("free out dated pict");
// Window shape changed, we should free win_data
if (ps->redirected && w->state != WSTATE_UNMAPPED) {
// Note we only do this when screen is redirected, because
// otherwise win_data is not valid
assert(w->state != WSTATE_UNMAPPING && w->state != WSTATE_DESTROYING);
w->flags |= WIN_FLAGS_IMAGE_STALE;
}
} else {
free_paint(ps, &w->paint);
free_paint(ps, &w->shadow_paint);
// log_trace("free out dated pict");
if (w->state != WSTATE_UNMAPPED) {
// Note we only do this when screen is redirected, because
// otherwise win_data is not valid
assert(w->state != WSTATE_UNMAPPING && w->state != WSTATE_DESTROYING);
w->flags |= WIN_FLAGS_IMAGE_STALE;
}
free_paint(ps, &w->paint);
free_paint(ps, &w->shadow_paint);
win_on_factor_change(ps, w);
}
@ -1557,15 +1551,12 @@ static void finish_unmap_win(session_t *ps, struct managed_win **_w) {
w->reg_ignore_valid = false;
w->state = WSTATE_UNMAPPED;
if (ps->o.experimental_backends) {
// We are in unmap_win, we definitely was viewable
if (ps->redirected) {
win_release_image(ps->backend_data, w);
}
} else {
free_paint(ps, &w->paint);
free_paint(ps, &w->shadow_paint);
// We are in unmap_win, this window definitely was viewable
if (ps->backend_data) {
win_release_image(ps->backend_data, w);
}
free_paint(ps, &w->paint);
free_paint(ps, &w->shadow_paint);
w->flags = 0;
}
@ -1898,7 +1889,7 @@ void map_win(session_t *ps, struct managed_win *w) {
w->flags &= ~WIN_FLAGS_IMAGE_STALE;
// Bind image after update_bounding_shape, so the shadow has the correct size.
if (ps->redirected && ps->o.experimental_backends) {
if (ps->backend_data) {
if (!win_bind_image(ps, w)) {
w->flags |= WIN_FLAGS_IMAGE_ERROR;
}