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output: re-introduce atomic mode, enabled, scale and transform

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This reverts commit 01f903874b and re-applies
commit ee5f98ad49.

Updates: https://github.com/swaywm/wlroots/issues/1640 (Atomic output updates issue)
See also: https://github.com/swaywm/wlroots/pull/1762 (Atomic output updates original PR)
See also: https://github.com/swaywm/wlroots/issues/1780 (Issue caused by atomic output updates)
See also: https://github.com/swaywm/sway/issues/4419 (Issue caused by atomic output updates)
See also: https://github.com/swaywm/wlroots/pull/1781 (Revert PR)
This commit is contained in:
Simon Ser 2019-08-16 19:41:56 +03:00 • committed by Drew DeVault
parent e0e5a167ed
commit 5d1ba0f446
9 changed files with 333 additions and 159 deletions
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140
types/wlr_output.c
View file

@ -154,38 +154,50 @@ static void output_update_matrix(struct wlr_output *output) {
output->height, output->transform);
}
bool wlr_output_enable(struct wlr_output *output, bool enable) {
void wlr_output_enable(struct wlr_output *output, bool enable) {
if (output->enabled == enable) {
return true;
return;
}
if (output->impl->enable) {
return output->impl->enable(output, enable);
}
return false;
output->pending.committed |= WLR_OUTPUT_STATE_ENABLED;
output->pending.enabled = enable;
}
bool wlr_output_set_mode(struct wlr_output *output,
static void output_state_clear_mode(struct wlr_output_state *state) {
if (!(state->committed & WLR_OUTPUT_STATE_MODE)) {
return;
}
state->mode = NULL;
state->committed &= ~WLR_OUTPUT_STATE_MODE;
}
void wlr_output_set_mode(struct wlr_output *output,
struct wlr_output_mode *mode) {
if (!output->impl || !output->impl->set_mode) {
return false;
}
if (output->current_mode == mode) {
return true;
return;
}
return output->impl->set_mode(output, mode);
output_state_clear_mode(&output->pending);
output->pending.committed |= WLR_OUTPUT_STATE_MODE;
output->pending.mode_type = WLR_OUTPUT_STATE_MODE_FIXED;
output->pending.mode = mode;
}
bool wlr_output_set_custom_mode(struct wlr_output *output, int32_t width,
void wlr_output_set_custom_mode(struct wlr_output *output, int32_t width,
int32_t height, int32_t refresh) {
if (!output->impl || !output->impl->set_custom_mode) {
return false;
}
if (output->width == width && output->height == height &&
output->refresh == refresh) {
return true;
return;
}
return output->impl->set_custom_mode(output, width, height, refresh);
output_state_clear_mode(&output->pending);
output->pending.committed |= WLR_OUTPUT_STATE_MODE;
output->pending.mode_type = WLR_OUTPUT_STATE_MODE_CUSTOM;
output->pending.custom_mode.width = width;
output->pending.custom_mode.height = height;
output->pending.custom_mode.refresh = refresh;
}
void wlr_output_update_mode(struct wlr_output *output,
@ -227,16 +239,8 @@ void wlr_output_set_transform(struct wlr_output *output,
return;
}
output->transform = transform;
output_update_matrix(output);
struct wl_resource *resource;
wl_resource_for_each(resource, &output->resources) {
send_geometry(resource);
}
wlr_output_schedule_done(output);
wlr_signal_emit_safe(&output->events.transform, output);
output->pending.committed |= WLR_OUTPUT_STATE_TRANSFORM;
output->pending.transform = transform;
}
void wlr_output_set_scale(struct wlr_output *output, float scale) {
@ -244,15 +248,8 @@ void wlr_output_set_scale(struct wlr_output *output, float scale) {
return;
}
output->scale = scale;
struct wl_resource *resource;
wl_resource_for_each(resource, &output->resources) {
send_scale(resource);
}
wlr_output_schedule_done(output);
wlr_signal_emit_safe(&output->events.scale, output);
output->pending.committed |= WLR_OUTPUT_STATE_SCALE;
output->pending.scale = scale;
}
void wlr_output_set_subpixel(struct wlr_output *output,
@ -478,18 +475,15 @@ static void output_state_clear(struct wlr_output_state *state) {
}
bool wlr_output_commit(struct wlr_output *output) {
if (output->frame_pending) {
wlr_log(WLR_ERROR, "Tried to commit when a frame is pending");
return false;
}
if (output->idle_frame != NULL) {
wl_event_source_remove(output->idle_frame);
output->idle_frame = NULL;
}
if (!(output->pending.committed & WLR_OUTPUT_STATE_BUFFER)) {
wlr_log(WLR_ERROR, "Tried to commit without attaching a buffer");
return false;
if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
if (output->frame_pending) {
wlr_log(WLR_ERROR, "Tried to commit a buffer while a frame is pending");
return false;
}
if (output->idle_frame != NULL) {
wl_event_source_remove(output->idle_frame);
output->idle_frame = NULL;
}
}
struct timespec now;
@ -506,22 +500,54 @@ bool wlr_output_commit(struct wlr_output *output) {
return false;
}
struct wlr_output_cursor *cursor;
wl_list_for_each(cursor, &output->cursors, link) {
if (!cursor->enabled || !cursor->visible || cursor->surface == NULL) {
continue;
if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
struct wlr_output_cursor *cursor;
wl_list_for_each(cursor, &output->cursors, link) {
if (!cursor->enabled || !cursor->visible || cursor->surface == NULL) {
continue;
}
wlr_surface_send_frame_done(cursor->surface, &now);
}
wlr_surface_send_frame_done(cursor->surface, &now);
}
output->commit_seq++;
wlr_signal_emit_safe(&output->events.commit, output);
output->frame_pending = true;
output->needs_frame = false;
bool scale_updated = output->pending.committed & WLR_OUTPUT_STATE_SCALE;
if (scale_updated) {
output->scale = output->pending.scale;
wlr_signal_emit_safe(&output->events.scale, output);
}
if (output->pending.committed & WLR_OUTPUT_STATE_TRANSFORM) {
output->transform = output->pending.transform;
output_update_matrix(output);
wlr_signal_emit_safe(&output->events.transform, output);
}
bool geometry_updated = output->pending.committed &
(WLR_OUTPUT_STATE_MODE | WLR_OUTPUT_STATE_TRANSFORM);
if (geometry_updated || scale_updated) {
struct wl_resource *resource;
wl_resource_for_each(resource, &output->resources) {
if (geometry_updated) {
send_geometry(resource);
}
if (scale_updated) {
send_scale(resource);
}
}
wlr_output_schedule_done(output);
}
if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
output->frame_pending = true;
output->needs_frame = false;
pixman_region32_clear(&output->damage);
}
output_state_clear(&output->pending);
pixman_region32_clear(&output->damage);
return true;
}