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config/output: use wlr_output_commit_state

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This makes the code more robust because we don't potentially leave
bad state in wlr_output.pending behind anymore. This also fixes a
bug.

Closes: https://github.com/swaywm/sway/issues/7043
References: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/3610
This commit is contained in:
Simon Ser 2022-06-07 18:55:26 +02:00
parent 956b689d6a
commit 1c69d0e72f
1 changed files with 40 additions and 38 deletions
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78
sway/config/output.c
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@ -247,8 +247,8 @@ struct output_config *store_output_config(struct output_config *oc) {
return oc;
}
static void set_mode(struct wlr_output *output, int width, int height,
float refresh_rate, bool custom) {
static void set_mode(struct wlr_output *output, struct wlr_output_state *pending,
int width, int height, float refresh_rate, bool custom) {
// Not all floating point integers can be represented exactly
// as (int)(1000 * mHz / 1000.f)
// round() the result to avoid any error
@ -256,7 +256,7 @@ static void set_mode(struct wlr_output *output, int width, int height,
if (wl_list_empty(&output->modes) || custom) {
sway_log(SWAY_DEBUG, "Assigning custom mode to %s", output->name);
wlr_output_set_custom_mode(output, width, height,
wlr_output_state_set_custom_mode(pending, width, height,
refresh_rate > 0 ? mhz : 0);
return;
}
@ -280,10 +280,11 @@ static void set_mode(struct wlr_output *output, int width, int height,
} else {
sway_log(SWAY_DEBUG, "Assigning configured mode to %s", output->name);
}
wlr_output_set_mode(output, best);
wlr_output_state_set_mode(pending, best);
}
static void set_modeline(struct wlr_output *output, drmModeModeInfo *drm_mode) {
static void set_modeline(struct wlr_output *output,
struct wlr_output_state *pending, drmModeModeInfo *drm_mode) {
if (!wlr_output_is_drm(output)) {
sway_log(SWAY_ERROR, "Modeline can only be set to DRM output");
return;
@ -291,7 +292,7 @@ static void set_modeline(struct wlr_output *output, drmModeModeInfo *drm_mode) {
sway_log(SWAY_DEBUG, "Assigning custom modeline to %s", output->name);
struct wlr_output_mode *mode = wlr_drm_connector_add_mode(output, drm_mode);
if (mode) {
wlr_output_set_mode(output, mode);
wlr_output_state_set_mode(pending, mode);
}
}
@ -313,23 +314,24 @@ static bool phys_size_is_aspect_ratio(struct wlr_output *output) {
// 1 inch = 25.4 mm
#define MM_PER_INCH 25.4
static int compute_default_scale(struct wlr_output *output) {
static int compute_default_scale(struct wlr_output *output,
struct wlr_output_state *pending) {
struct wlr_box box = { .width = output->width, .height = output->height };
if (output->pending.committed & WLR_OUTPUT_STATE_MODE) {
switch (output->pending.mode_type) {
if (pending->committed & WLR_OUTPUT_STATE_MODE) {
switch (pending->mode_type) {
case WLR_OUTPUT_STATE_MODE_FIXED:
box.width = output->pending.mode->width;
box.height = output->pending.mode->height;
box.width = pending->mode->width;
box.height = pending->mode->height;
break;
case WLR_OUTPUT_STATE_MODE_CUSTOM:
box.width = output->pending.custom_mode.width;
box.height = output->pending.custom_mode.height;
box.width = pending->custom_mode.width;
box.height = pending->custom_mode.height;
break;
}
}
enum wl_output_transform transform = output->transform;
if (output->pending.committed & WLR_OUTPUT_STATE_TRANSFORM) {
transform = output->pending.transform;
if (pending->committed & WLR_OUTPUT_STATE_TRANSFORM) {
transform = pending->transform;
}
wlr_box_transform(&box, &box, transform, box.width, box.height);
@ -376,7 +378,7 @@ static const uint32_t *bit_depth_preferences[] = {
};
static void queue_output_config(struct output_config *oc,
struct sway_output *output) {
struct sway_output *output, struct wlr_output_state *pending) {
if (output == root->fallback_output) {
return;
}
@ -385,29 +387,29 @@ static void queue_output_config(struct output_config *oc,
if (oc && (!oc->enabled || oc->dpms_state == DPMS_OFF)) {
sway_log(SWAY_DEBUG, "Turning off output %s", wlr_output->name);
wlr_output_enable(wlr_output, false);
wlr_output_state_set_enabled(pending, false);
return;
}
sway_log(SWAY_DEBUG, "Turning on output %s", wlr_output->name);
wlr_output_enable(wlr_output, true);
wlr_output_state_set_enabled(pending, true);
if (oc && oc->drm_mode.type != 0 && oc->drm_mode.type != (uint32_t) -1) {
sway_log(SWAY_DEBUG, "Set %s modeline",
wlr_output->name);
set_modeline(wlr_output, &oc->drm_mode);
set_modeline(wlr_output, pending, &oc->drm_mode);
} else if (oc && oc->width > 0 && oc->height > 0) {
sway_log(SWAY_DEBUG, "Set %s mode to %dx%d (%f Hz)",
wlr_output->name, oc->width, oc->height, oc->refresh_rate);
set_mode(wlr_output, oc->width, oc->height,
set_mode(wlr_output, pending, oc->width, oc->height,
oc->refresh_rate, oc->custom_mode == 1);
} else if (!wl_list_empty(&wlr_output->modes)) {
sway_log(SWAY_DEBUG, "Set preferred mode");
struct wlr_output_mode *preferred_mode =
wlr_output_preferred_mode(wlr_output);
wlr_output_set_mode(wlr_output, preferred_mode);
wlr_output_state_set_mode(pending, preferred_mode);
if (!wlr_output_test(wlr_output)) {
if (!wlr_output_test_state(wlr_output, pending)) {
sway_log(SWAY_DEBUG, "Preferred mode rejected, "
"falling back to another mode");
struct wlr_output_mode *mode;
@ -416,8 +418,8 @@ static void queue_output_config(struct output_config *oc,
continue;
}
wlr_output_set_mode(wlr_output, mode);
if (wlr_output_test(wlr_output)) {
wlr_output_state_set_mode(pending, mode);
if (wlr_output_test_state(wlr_output, pending)) {
break;
}
}
@ -427,7 +429,7 @@ static void queue_output_config(struct output_config *oc,
if (oc && (oc->subpixel != WL_OUTPUT_SUBPIXEL_UNKNOWN || config->reloading)) {
sway_log(SWAY_DEBUG, "Set %s subpixel to %s", oc->name,
sway_wl_output_subpixel_to_string(oc->subpixel));
wlr_output_set_subpixel(wlr_output, oc->subpixel);
wlr_output_state_set_subpixel(pending, oc->subpixel);
}
enum wl_output_transform tr = WL_OUTPUT_TRANSFORM_NORMAL;
@ -439,7 +441,7 @@ static void queue_output_config(struct output_config *oc,
}
if (wlr_output->transform != tr) {
sway_log(SWAY_DEBUG, "Set %s transform to %d", oc->name, tr);
wlr_output_set_transform(wlr_output, tr);
wlr_output_state_set_transform(pending, tr);
}
// Apply the scale last before the commit, because the scale auto-detection
@ -448,18 +450,18 @@ static void queue_output_config(struct output_config *oc,
if (oc && oc->scale > 0) {
scale = oc->scale;
} else {
scale = compute_default_scale(wlr_output);
scale = compute_default_scale(wlr_output, pending);
sway_log(SWAY_DEBUG, "Auto-detected output scale: %f", scale);
}
if (scale != wlr_output->scale) {
sway_log(SWAY_DEBUG, "Set %s scale to %f", wlr_output->name, scale);
wlr_output_set_scale(wlr_output, scale);
wlr_output_state_set_scale(pending, scale);
}
if (oc && oc->adaptive_sync != -1) {
sway_log(SWAY_DEBUG, "Set %s adaptive sync to %d", wlr_output->name,
oc->adaptive_sync);
wlr_output_enable_adaptive_sync(wlr_output, oc->adaptive_sync == 1);
wlr_output_state_set_adaptive_sync_enabled(pending, oc->adaptive_sync == 1);
}
if (oc && oc->render_bit_depth != RENDER_BIT_DEPTH_DEFAULT) {
@ -467,8 +469,8 @@ static void queue_output_config(struct output_config *oc,
assert(fmts);
for (size_t i = 0; fmts[i] != DRM_FORMAT_INVALID; i++) {
wlr_output_set_render_format(wlr_output, fmts[i]);
if (wlr_output_test(wlr_output)) {
wlr_output_state_set_render_format(pending, fmts[i]);
if (wlr_output_test_state(wlr_output, pending)) {
break;
}
@ -489,14 +491,15 @@ bool apply_output_config(struct output_config *oc, struct sway_output *output) {
// Flag to prevent the output mode event handler from calling us
output->enabling = (!oc || oc->enabled);
queue_output_config(oc, output);
struct wlr_output_state pending = {0};
queue_output_config(oc, output, &pending);
if (!oc || oc->dpms_state != DPMS_OFF) {
output->current_mode = wlr_output->pending.mode;
output->current_mode = pending.mode;
}
sway_log(SWAY_DEBUG, "Committing output %s", wlr_output->name);
if (!wlr_output_commit(wlr_output)) {
if (!wlr_output_commit_state(wlr_output, &pending)) {
// Failed to commit output changes, maybe the output is missing a CRTC.
// Leave the output disabled for now and try again when the output gets
// the mode we asked for.
@ -579,10 +582,9 @@ bool test_output_config(struct output_config *oc, struct sway_output *output) {
return false;
}
queue_output_config(oc, output);
bool ok = wlr_output_test(output->wlr_output);
wlr_output_rollback(output->wlr_output);
return ok;
struct wlr_output_state pending = {0};
queue_output_config(oc, output, &pending);
return wlr_output_test_state(output->wlr_output, &pending);
}
static void default_output_config(struct output_config *oc,