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scene: add buffer release point to 'sample' event

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(cherry picked from commit 1f3d351abb)
This commit is contained in:
Félix Poisot 2025-01-31 18:36:07 +00:00 • committed by Simon Ser
parent c4ff394f7f
commit 2f14845ce0
2 changed files with 29 additions and 2 deletions
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4
include/wlr/types/wlr_scene.h
View file

@ -153,6 +153,8 @@ struct wlr_scene_outputs_update_event {
struct wlr_scene_output_sample_event {
struct wlr_scene_output *output;
bool direct_scanout;
struct wlr_drm_syncobj_timeline *release_timeline;
uint64_t release_point;
};
struct wlr_scene_frame_done_event {
@ -266,6 +268,8 @@ struct wlr_scene_output {
struct wlr_drm_syncobj_timeline *in_timeline;
uint64_t in_point;
struct wlr_drm_syncobj_timeline *out_timeline;
uint64_t out_point;
} WLR_PRIVATE;
};

27
types/scene/wlr_scene.c
View file

@ -1553,6 +1553,8 @@ static void scene_entry_render(struct render_list_entry *entry, const struct ren
struct wlr_scene_output_sample_event sample_event = {
.output = data->output,
.direct_scanout = false,
.release_timeline = data->output->in_timeline,
.release_point = data->output->in_point,
};
wl_signal_emit_mutable(&scene_buffer->events.output_sample, &sample_event);
@ -1785,7 +1787,10 @@ struct wlr_scene_output *wlr_scene_output_create(struct wlr_scene *scene,
if (drm_fd >= 0 && output->backend->features.timeline &&
output->renderer != NULL && output->renderer->features.timeline) {
scene_output->in_timeline = wlr_drm_syncobj_timeline_create(drm_fd);
if (scene_output->in_timeline == NULL) {
scene_output->out_timeline = wlr_drm_syncobj_timeline_create(drm_fd);
if (scene_output->in_timeline == NULL || scene_output->out_timeline == NULL) {
wlr_drm_syncobj_timeline_unref(scene_output->in_timeline);
wlr_drm_syncobj_timeline_unref(scene_output->out_timeline);
return NULL;
}
}
@ -1840,7 +1845,14 @@ void wlr_scene_output_destroy(struct wlr_scene_output *scene_output) {
wl_list_remove(&scene_output->output_commit.link);
wl_list_remove(&scene_output->output_damage.link);
wl_list_remove(&scene_output->output_needs_frame.link);
wlr_drm_syncobj_timeline_unref(scene_output->in_timeline);
if (scene_output->in_timeline != NULL) {
wlr_drm_syncobj_timeline_signal(scene_output->in_timeline, UINT64_MAX);
wlr_drm_syncobj_timeline_unref(scene_output->in_timeline);
}
if (scene_output->out_timeline != NULL) {
wlr_drm_syncobj_timeline_signal(scene_output->out_timeline, UINT64_MAX);
wlr_drm_syncobj_timeline_unref(scene_output->out_timeline);
}
wlr_color_transform_unref(scene_output->gamma_lut_color_transform);
wlr_color_transform_unref(scene_output->prev_gamma_lut_color_transform);
wlr_color_transform_unref(scene_output->prev_supplied_color_transform);
@ -2136,6 +2148,12 @@ static enum scene_direct_scanout_result scene_entry_try_direct_scanout(
if (buffer->wait_timeline != NULL) {
wlr_output_state_set_wait_timeline(&pending, buffer->wait_timeline, buffer->wait_point);
}
if (scene_output->out_timeline) {
scene_output->out_point++;
wlr_output_state_set_signal_timeline(&pending, scene_output->out_timeline, scene_output->out_point);
}
if (!wlr_output_test_state(scene_output->output, &pending)) {
wlr_output_state_finish(&pending);
return SCANOUT_CANDIDATE;
@ -2147,6 +2165,8 @@ static enum scene_direct_scanout_result scene_entry_try_direct_scanout(
struct wlr_scene_output_sample_event sample_event = {
.output = scene_output,
.direct_scanout = true,
.release_timeline = data->output->out_timeline,
.release_point = data->output->out_point,
};
wl_signal_emit_mutable(&buffer->events.output_sample, &sample_event);
return SCANOUT_SUCCESS;
@ -2606,6 +2626,9 @@ bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,
if (scene_output->in_timeline != NULL) {
wlr_output_state_set_wait_timeline(state, scene_output->in_timeline,
scene_output->in_point);
scene_output->out_point++;
wlr_output_state_set_signal_timeline(state, scene_output->out_timeline,
scene_output->out_point);
}
if (!render_gamma_lut) {