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scene_output: optionally record and report timings

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This commit is contained in:
Rose Hudson 2023-06-08 10:42:25 +01:00 committed by Simon Ser
parent f4eaab12a0
commit 214df8eda0
4 changed files with 73 additions and 8 deletions
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2
examples/scene-graph.c
View file

@ -57,7 +57,7 @@ struct output {
static void output_handle_frame(struct wl_listener *listener, void *data) {
struct output *output = wl_container_of(listener, output, frame);
if (!wlr_scene_output_commit(output->scene_output)) {
if (!wlr_scene_output_commit(output->scene_output, NULL)) {
return;
}

23
include/wlr/types/wlr_scene.h
View file

@ -209,6 +209,11 @@ struct wlr_scene_output {
struct wl_array render_list;
};
struct wlr_scene_timer {
int64_t pre_render_duration;
struct wlr_render_timer *render_timer;
};
/** A layer shell scene helper */
struct wlr_scene_layer_surface_v1 {
struct wlr_scene_tree *tree;
@ -455,16 +460,30 @@ void wlr_scene_output_destroy(struct wlr_scene_output *scene_output);
void wlr_scene_output_set_position(struct wlr_scene_output *scene_output,
int lx, int ly);
struct wlr_scene_output_state_options {
struct wlr_scene_timer *timer;
};
/**
* Render and commit an output.
*/
bool wlr_scene_output_commit(struct wlr_scene_output *scene_output);
bool wlr_scene_output_commit(struct wlr_scene_output *scene_output,
const struct wlr_scene_output_state_options *options);
/**
* Render and populate given output state.
*/
bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,
struct wlr_output_state *state);
struct wlr_output_state *state, const struct wlr_scene_output_state_options *options);
/**
* Retrieve the duration in nanoseconds between the last wlr_scene_output_commit() call and the end
* of its operations, including those on the GPU that may have finished after the call returned.
*
* Returns -1 if the duration is unavailable.
*/
int64_t wlr_scene_timer_get_duration_ns(struct wlr_scene_timer *timer);
void wlr_scene_timer_finish(struct wlr_scene_timer *timer);
/**
* Call wlr_surface_send_frame_done() on all surfaces in the scene rendered by

2
tinywl/tinywl.c
View file

@ -559,7 +559,7 @@ static void output_frame(struct wl_listener *listener, void *data) {
scene, output->wlr_output);
/* Render the scene if needed and commit the output */
wlr_scene_output_commit(scene_output);
wlr_scene_output_commit(scene_output, NULL);
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);

54
types/scene/wlr_scene.c
View file

@ -1584,7 +1584,8 @@ static bool scene_entry_try_direct_scanout(struct render_list_entry *entry,
return true;
}
bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) {
bool wlr_scene_output_commit(struct wlr_scene_output *scene_output,
const struct wlr_scene_output_state_options *options) {
if (!scene_output->output->needs_frame && !pixman_region32_not_empty(
&scene_output->damage_ring.current)) {
return true;
@ -1593,7 +1594,7 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) {
bool ok = false;
struct wlr_output_state state;
wlr_output_state_init(&state);
if (!wlr_scene_output_build_state(scene_output, &state)) {
if (!wlr_scene_output_build_state(scene_output, &state, options)) {
goto out;
}
@ -1610,7 +1611,19 @@ out:
}
bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,
struct wlr_output_state *state) {
struct wlr_output_state *state, const struct wlr_scene_output_state_options *options) {
struct wlr_scene_output_state_options default_options = {0};
if (!options) {
options = &default_options;
}
struct wlr_scene_timer *timer = options->timer;
struct timespec start_time;
if (timer) {
clock_gettime(CLOCK_MONOTONIC, &start_time);
wlr_scene_timer_finish(timer);
*timer = (struct wlr_scene_timer){0};
}
if ((state->committed & WLR_OUTPUT_STATE_ENABLED) && !state->enabled) {
// if the state is being disabled, do nothing.
return true;
@ -1683,6 +1696,12 @@ bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,
}
if (scanout) {
if (timer) {
struct timespec end_time, duration;
clock_gettime(CLOCK_MONOTONIC, &end_time);
timespec_sub(&duration, &end_time, &start_time);
timer->pre_render_duration = timespec_to_nsec(&duration);
}
return true;
}
@ -1742,7 +1761,19 @@ bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,
return false;
}
struct wlr_render_pass *render_pass = wlr_renderer_begin_buffer_pass(output->renderer, buffer, NULL);
if (timer) {
timer->render_timer = wlr_render_timer_create(output->renderer);
struct timespec end_time, duration;
clock_gettime(CLOCK_MONOTONIC, &end_time);
timespec_sub(&duration, &end_time, &start_time);
timer->pre_render_duration = timespec_to_nsec(&duration);
}
struct wlr_render_pass *render_pass = wlr_renderer_begin_buffer_pass(output->renderer, buffer,
&(struct wlr_buffer_pass_options){
.timer = timer ? timer->render_timer : NULL,
});
if (render_pass == NULL) {
wlr_buffer_unlock(buffer);
return false;
@ -1859,6 +1890,21 @@ bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,
return true;
}
int64_t wlr_scene_timer_get_duration_ns(struct wlr_scene_timer *timer) {
int64_t pre_render = timer->pre_render_duration;
if (!timer->render_timer) {
return pre_render;
}
int64_t render = wlr_render_timer_get_duration_ns(timer->render_timer);
return render != -1 ? pre_render + render : -1;
}
void wlr_scene_timer_finish(struct wlr_scene_timer *timer) {
if (timer->render_timer) {
wlr_render_timer_destroy(timer->render_timer);
}
}
static void scene_node_send_frame_done(struct wlr_scene_node *node,
struct wlr_scene_output *scene_output, struct timespec *now) {
if (!node->enabled) {