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output: add wlr_output_commit_state

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Same as wlr_output_commit, but takes a wlr_output_state.
This commit is contained in:
Simon Ser 2022-05-24 20:42:29 +02:00
parent 501ac5398d
commit d483dd2f4c
2 changed files with 41 additions and 26 deletions
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2
include/wlr/types/wlr_output.h
View File

@ -428,6 +428,8 @@ bool wlr_output_commit(struct wlr_output *output);
void wlr_output_rollback(struct wlr_output *output);
bool wlr_output_test_state(struct wlr_output *output,
const struct wlr_output_state *state);
bool wlr_output_commit_state(struct wlr_output *output,
const struct wlr_output_state *state);
/**
* Manually schedules a `frame` event. If a `frame` event is already pending,
* it is a no-op.

65
types/output/output.c
View File

@ -397,6 +397,12 @@ static void output_state_finish(struct wlr_output_state *state) {
free(state->gamma_lut);
}
static void output_state_move(struct wlr_output_state *dst,
struct wlr_output_state *src) {
*dst = *src;
output_state_init(src);
}
void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
const struct wlr_output_impl *impl, struct wl_display *display) {
assert(impl->commit);
@ -673,7 +679,7 @@ bool wlr_output_test_state(struct wlr_output *output,
const struct wlr_output_state *state) {
bool had_buffer = state->committed & WLR_OUTPUT_STATE_BUFFER;
// Duplicate the satte because we might mutate it in output_ensure_buffer
// Duplicate the state because we might mutate it in output_ensure_buffer
struct wlr_output_state pending = *state;
if (!output_basic_test(output, &pending)) {
return false;
@ -696,17 +702,20 @@ bool wlr_output_test(struct wlr_output *output) {
return wlr_output_test_state(output, &output->pending);
}
bool wlr_output_commit(struct wlr_output *output) {
if (!output_basic_test(output, &output->pending)) {
bool wlr_output_commit_state(struct wlr_output *output,
const struct wlr_output_state *state) {
if (!output_basic_test(output, state)) {
wlr_log(WLR_ERROR, "Basic output test failed for %s", output->name);
return false;
}
if (!output_ensure_buffer(output, &output->pending)) {
// Duplicate the state because we might mutate it in output_ensure_buffer
struct wlr_output_state pending = *state;
if (!output_ensure_buffer(output, &pending)) {
return false;
}
if ((output->pending.committed & WLR_OUTPUT_STATE_BUFFER) &&
if ((pending.committed & WLR_OUTPUT_STATE_BUFFER) &&
output->idle_frame != NULL) {
wl_event_source_remove(output->idle_frame);
output->idle_frame = NULL;
@ -718,7 +727,7 @@ bool wlr_output_commit(struct wlr_output *output) {
struct wlr_output_event_precommit pre_event = {
.output = output,
.when = &now,
.state = &output->pending,
.state = &pending,
};
wlr_signal_emit_safe(&output->events.precommit, &pre_event);
@ -727,19 +736,18 @@ bool wlr_output_commit(struct wlr_output *output) {
// implicit rendering synchronization point. The backend needs it to avoid
// displaying a buffer when asynchronous GPU work isn't finished.
struct wlr_buffer *back_buffer = NULL;
if ((output->pending.committed & WLR_OUTPUT_STATE_BUFFER) &&
if ((pending.committed & WLR_OUTPUT_STATE_BUFFER) &&
output->back_buffer != NULL) {
back_buffer = wlr_buffer_lock(output->back_buffer);
output_clear_back_buffer(output);
}
if (!output->impl->commit(output, &output->pending)) {
if (!output->impl->commit(output, &pending)) {
wlr_buffer_unlock(back_buffer);
output_state_clear(&output->pending);
return false;
}
if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
if (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) {
@ -749,27 +757,27 @@ bool wlr_output_commit(struct wlr_output *output) {
}
}
if (output->pending.committed & WLR_OUTPUT_STATE_RENDER_FORMAT) {
output->render_format = output->pending.render_format;
if (pending.committed & WLR_OUTPUT_STATE_RENDER_FORMAT) {
output->render_format = pending.render_format;
}
if (output->pending.committed & WLR_OUTPUT_STATE_SUBPIXEL) {
output->subpixel = output->pending.subpixel;
if (pending.committed & WLR_OUTPUT_STATE_SUBPIXEL) {
output->subpixel = pending.subpixel;
}
output->commit_seq++;
bool scale_updated = output->pending.committed & WLR_OUTPUT_STATE_SCALE;
bool scale_updated = pending.committed & WLR_OUTPUT_STATE_SCALE;
if (scale_updated) {
output->scale = output->pending.scale;
output->scale = pending.scale;
}
if (output->pending.committed & WLR_OUTPUT_STATE_TRANSFORM) {
output->transform = output->pending.transform;
if (pending.committed & WLR_OUTPUT_STATE_TRANSFORM) {
output->transform = pending.transform;
output_update_matrix(output);
}
bool geometry_updated = output->pending.committed &
bool geometry_updated = pending.committed &
(WLR_OUTPUT_STATE_MODE | WLR_OUTPUT_STATE_TRANSFORM |
WLR_OUTPUT_STATE_SUBPIXEL);
if (geometry_updated || scale_updated) {
@ -786,15 +794,14 @@ bool wlr_output_commit(struct wlr_output *output) {
}
// Destroy the swapchains when an output is disabled
if ((output->pending.committed & WLR_OUTPUT_STATE_ENABLED) &&
!output->pending.enabled) {
if ((pending.committed & WLR_OUTPUT_STATE_ENABLED) && !pending.enabled) {
wlr_swapchain_destroy(output->swapchain);
output->swapchain = NULL;
wlr_swapchain_destroy(output->cursor_swapchain);
output->cursor_swapchain = NULL;
}
if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
if (pending.committed & WLR_OUTPUT_STATE_BUFFER) {
output->frame_pending = true;
output->needs_frame = false;
}
@ -803,12 +810,9 @@ bool wlr_output_commit(struct wlr_output *output) {
wlr_swapchain_set_buffer_submitted(output->swapchain, back_buffer);
}
uint32_t committed = output->pending.committed;
output_state_clear(&output->pending);
struct wlr_output_event_commit event = {
.output = output,
.committed = committed,
.committed = pending.committed,
.when = &now,
.buffer = back_buffer,
};
@ -821,6 +825,15 @@ bool wlr_output_commit(struct wlr_output *output) {
return true;
}
bool wlr_output_commit(struct wlr_output *output) {
// Make sure the pending state is cleared before the output is committed
struct wlr_output_state state = {0};
output_state_move(&state, &output->pending);
bool ok = wlr_output_commit_state(output, &state);
output_state_finish(&state);
return ok;
}
void wlr_output_rollback(struct wlr_output *output) {
output_clear_back_buffer(output);
output_state_clear(&output->pending);