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Introduce wlr_frame_scheduler

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This commit is contained in:
Simon Ser 2022-10-04 12:13:44 +02:00
parent 639bacdb9a
commit 374a4a8d7e
3 changed files with 245 additions and 0 deletions
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55
include/wlr/types/wlr_frame_scheduler.h Normal file
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/*
* This an unstable interface of wlroots. No guarantees are made regarding the
* future consistency of this API.
*/
#ifndef WLR_USE_UNSTABLE
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
#endif
#ifndef WLR_TYPES_WLR_FRAME_SCHEDULER_H
#define WLR_TYPES_WLR_FRAME_SCHEDULER_H
#include <wayland-server-core.h>
#include <time.h>
struct wlr_renderer;
struct wlr_render_timestamp;
#define WLR_FRAME_SCHEDULER_HISTOGRAM_LEN 128
struct wlr_frame_scheduler_bucket {
int64_t cpu_duration_ns, gpu_duration_ns;
};
struct wlr_frame_scheduler {
struct wlr_output *output;
clockid_t presentation_clock;
struct {
struct wl_signal frame;
} events;
// private state
struct wl_event_source *timer;
struct wlr_frame_scheduler_bucket histogram[WLR_FRAME_SCHEDULER_HISTOGRAM_LEN];
size_t histogram_cur;
struct wl_listener output_present;
struct {
uint32_t commit_seq;
struct timespec frame_emitted, frame_submitted; // CPU time
struct timespec render_submitted; // GPU time
struct wlr_render_timestamp *render_complete;
} queued;
};
bool wlr_frame_scheduler_init(struct wlr_frame_scheduler *scheduler,
struct wlr_output *output);
void wlr_frame_scheduler_finish(struct wlr_frame_scheduler *scheduler);
void wlr_frame_scheduler_mark_render_submitted(
struct wlr_frame_scheduler *scheduler, struct wlr_renderer *renderer);
#endif