mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-25 14:15:58 +01:00
output-damage: drop
Compositors can migrate to wlr_damage_ring.
This commit is contained in:
Simon Ser
Alexander Orzechowski
parent
7abda952d0
commit
9ef98452a3
3 changed files with 0 additions and 292 deletions
|
|
@ -1,95 +0,0 @@
|
|||
/*
|
||||
* 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
|
||||
|
||||
/*
|
||||
* NOTE: wlr/types/wlr_output_damage.h is deprecated and will be removed in
|
||||
* the next release. Use wlr/types/wlr_damage_ring.h instead.
|
||||
*/
|
||||
|
||||
#ifndef WLR_TYPES_WLR_OUTPUT_DAMAGE_H
|
||||
#define WLR_TYPES_WLR_OUTPUT_DAMAGE_H
|
||||
|
||||
#include <pixman.h>
|
||||
#include <time.h>
|
||||
#include <wlr/types/wlr_output.h>
|
||||
|
||||
/**
|
||||
* Damage tracking requires to keep track of previous frames' damage. To allow
|
||||
* damage tracking to work with triple buffering, a history of two frames is
|
||||
* required.
|
||||
*/
|
||||
#define WLR_OUTPUT_DAMAGE_PREVIOUS_LEN 2
|
||||
|
||||
struct wlr_box;
|
||||
|
||||
/**
|
||||
* Tracks damage for an output.
|
||||
*
|
||||
* The `frame` event will be emitted when it is a good time for the compositor
|
||||
* to submit a new frame.
|
||||
*
|
||||
* To render a new frame, compositors should call
|
||||
* wlr_output_damage_attach_render(), render and call wlr_output_commit(). No
|
||||
* rendering should happen outside a `frame` event handler or before
|
||||
* wlr_output_damage_attach_render().
|
||||
*/
|
||||
struct wlr_output_damage {
|
||||
struct wlr_output *output;
|
||||
int max_rects; // max number of damaged rectangles
|
||||
|
||||
pixman_region32_t current; // in output-local coordinates
|
||||
|
||||
// circular queue for previous damage
|
||||
pixman_region32_t previous[WLR_OUTPUT_DAMAGE_PREVIOUS_LEN];
|
||||
size_t previous_idx;
|
||||
|
||||
struct {
|
||||
struct wl_signal frame;
|
||||
struct wl_signal destroy;
|
||||
} events;
|
||||
|
||||
struct wl_listener output_destroy;
|
||||
struct wl_listener output_needs_frame;
|
||||
struct wl_listener output_damage;
|
||||
struct wl_listener output_frame;
|
||||
struct wl_listener output_commit;
|
||||
};
|
||||
|
||||
struct wlr_output_damage *wlr_output_damage_create(struct wlr_output *output);
|
||||
void wlr_output_damage_destroy(struct wlr_output_damage *output_damage);
|
||||
/**
|
||||
* Attach the renderer's buffer to the output. Compositors must call this
|
||||
* function before rendering. After they are done rendering, they should call
|
||||
* wlr_output_set_damage() and wlr_output_commit() to submit the new frame.
|
||||
*
|
||||
* `needs_frame` will be set to true if a frame should be submitted. `damage`
|
||||
* will be set to the region of the output that needs to be repainted, in
|
||||
* output-buffer-local coordinates.
|
||||
*
|
||||
* The buffer damage region accumulates all damage since the buffer has last
|
||||
* been swapped. This is not to be confused with the output surface damage,
|
||||
* which only contains the changes between two frames.
|
||||
*/
|
||||
bool wlr_output_damage_attach_render(struct wlr_output_damage *output_damage,
|
||||
bool *needs_frame, pixman_region32_t *buffer_damage);
|
||||
/**
|
||||
* Accumulates damage and schedules a `frame` event.
|
||||
*/
|
||||
void wlr_output_damage_add(struct wlr_output_damage *output_damage,
|
||||
const pixman_region32_t *damage);
|
||||
/**
|
||||
* Damages the whole output and schedules a `frame` event.
|
||||
*/
|
||||
void wlr_output_damage_add_whole(struct wlr_output_damage *output_damage);
|
||||
/**
|
||||
* Accumulates damage from a box and schedules a `frame` event.
|
||||
*/
|
||||
void wlr_output_damage_add_box(struct wlr_output_damage *output_damage,
|
||||
struct wlr_box *box);
|
||||
|
||||
#endif
|
||||
|
|
@ -56,7 +56,6 @@ wlr_files += files(
|
|||
'wlr_layer_shell_v1.c',
|
||||
'wlr_linux_dmabuf_v1.c',
|
||||
'wlr_matrix.c',
|
||||
'wlr_output_damage.c',
|
||||
'wlr_output_layer.c',
|
||||
'wlr_output_layout.c',
|
||||
'wlr_output_management_v1.c',
|
||||
|
|
|
|||
|
|
@ -1,196 +0,0 @@
|
|||
#include <stddef.h>
|
||||
#include <stdlib.h>
|
||||
#include <time.h>
|
||||
#include <wayland-server-core.h>
|
||||
#include <wlr/types/wlr_output_damage.h>
|
||||
#include <wlr/types/wlr_output.h>
|
||||
#include <wlr/util/box.h>
|
||||
#include "types/wlr_output.h"
|
||||
|
||||
static void output_handle_destroy(struct wl_listener *listener, void *data) {
|
||||
struct wlr_output_damage *output_damage =
|
||||
wl_container_of(listener, output_damage, output_destroy);
|
||||
wlr_output_damage_destroy(output_damage);
|
||||
}
|
||||
|
||||
static void output_handle_needs_frame(struct wl_listener *listener,
|
||||
void *data) {
|
||||
struct wlr_output_damage *output_damage =
|
||||
wl_container_of(listener, output_damage, output_needs_frame);
|
||||
wlr_output_schedule_frame(output_damage->output);
|
||||
}
|
||||
|
||||
static void output_handle_damage(struct wl_listener *listener, void *data) {
|
||||
struct wlr_output_damage *output_damage =
|
||||
wl_container_of(listener, output_damage, output_damage);
|
||||
struct wlr_output_event_damage *event = data;
|
||||
wlr_output_damage_add(output_damage, event->damage);
|
||||
}
|
||||
|
||||
static void output_handle_frame(struct wl_listener *listener, void *data) {
|
||||
struct wlr_output_damage *output_damage =
|
||||
wl_container_of(listener, output_damage, output_frame);
|
||||
|
||||
if (!output_damage->output->enabled) {
|
||||
return;
|
||||
}
|
||||
|
||||
wl_signal_emit_mutable(&output_damage->events.frame, output_damage);
|
||||
}
|
||||
|
||||
static void output_handle_commit(struct wl_listener *listener, void *data) {
|
||||
struct wlr_output_damage *output_damage =
|
||||
wl_container_of(listener, output_damage, output_commit);
|
||||
struct wlr_output_event_commit *event = data;
|
||||
|
||||
if (event->committed & WLR_OUTPUT_STATE_BUFFER) {
|
||||
pixman_region32_t *prev;
|
||||
if (!output_is_direct_scanout(output_damage->output, event->buffer)) {
|
||||
// render-buffers have been swapped, rotate the damage
|
||||
|
||||
// same as decrementing, but works on unsigned integers
|
||||
output_damage->previous_idx += WLR_OUTPUT_DAMAGE_PREVIOUS_LEN - 1;
|
||||
output_damage->previous_idx %= WLR_OUTPUT_DAMAGE_PREVIOUS_LEN;
|
||||
|
||||
prev = &output_damage->previous[output_damage->previous_idx];
|
||||
pixman_region32_copy(prev, &output_damage->current);
|
||||
} else {
|
||||
// accumulate render-buffer damage
|
||||
prev = &output_damage->previous[output_damage->previous_idx];
|
||||
pixman_region32_union(prev, prev, &output_damage->current);
|
||||
}
|
||||
|
||||
pixman_region32_clear(&output_damage->current);
|
||||
}
|
||||
|
||||
if (event->committed & (WLR_OUTPUT_STATE_MODE | WLR_OUTPUT_STATE_SCALE |
|
||||
WLR_OUTPUT_STATE_TRANSFORM)) {
|
||||
wlr_output_damage_add_whole(output_damage);
|
||||
}
|
||||
}
|
||||
|
||||
struct wlr_output_damage *wlr_output_damage_create(struct wlr_output *output) {
|
||||
struct wlr_output_damage *output_damage =
|
||||
calloc(1, sizeof(struct wlr_output_damage));
|
||||
if (output_damage == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
output_damage->output = output;
|
||||
output_damage->max_rects = 20;
|
||||
wl_signal_init(&output_damage->events.frame);
|
||||
wl_signal_init(&output_damage->events.destroy);
|
||||
|
||||
pixman_region32_init(&output_damage->current);
|
||||
for (size_t i = 0; i < WLR_OUTPUT_DAMAGE_PREVIOUS_LEN; ++i) {
|
||||
pixman_region32_init(&output_damage->previous[i]);
|
||||
}
|
||||
|
||||
wl_signal_add(&output->events.destroy, &output_damage->output_destroy);
|
||||
output_damage->output_destroy.notify = output_handle_destroy;
|
||||
wl_signal_add(&output->events.needs_frame, &output_damage->output_needs_frame);
|
||||
output_damage->output_needs_frame.notify = output_handle_needs_frame;
|
||||
wl_signal_add(&output->events.damage, &output_damage->output_damage);
|
||||
output_damage->output_damage.notify = output_handle_damage;
|
||||
wl_signal_add(&output->events.frame, &output_damage->output_frame);
|
||||
output_damage->output_frame.notify = output_handle_frame;
|
||||
wl_signal_add(&output->events.commit, &output_damage->output_commit);
|
||||
output_damage->output_commit.notify = output_handle_commit;
|
||||
|
||||
return output_damage;
|
||||
}
|
||||
|
||||
void wlr_output_damage_destroy(struct wlr_output_damage *output_damage) {
|
||||
if (output_damage == NULL) {
|
||||
return;
|
||||
}
|
||||
wl_signal_emit_mutable(&output_damage->events.destroy, output_damage);
|
||||
wl_list_remove(&output_damage->output_destroy.link);
|
||||
wl_list_remove(&output_damage->output_needs_frame.link);
|
||||
wl_list_remove(&output_damage->output_damage.link);
|
||||
wl_list_remove(&output_damage->output_frame.link);
|
||||
wl_list_remove(&output_damage->output_commit.link);
|
||||
pixman_region32_fini(&output_damage->current);
|
||||
for (size_t i = 0; i < WLR_OUTPUT_DAMAGE_PREVIOUS_LEN; ++i) {
|
||||
pixman_region32_fini(&output_damage->previous[i]);
|
||||
}
|
||||
free(output_damage);
|
||||
}
|
||||
|
||||
bool wlr_output_damage_attach_render(struct wlr_output_damage *output_damage,
|
||||
bool *needs_frame, pixman_region32_t *damage) {
|
||||
struct wlr_output *output = output_damage->output;
|
||||
|
||||
int buffer_age = -1;
|
||||
if (!wlr_output_attach_render(output, &buffer_age)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
*needs_frame =
|
||||
output->needs_frame || pixman_region32_not_empty(&output_damage->current);
|
||||
// Check if we can use damage tracking
|
||||
if (buffer_age <= 0 || buffer_age - 1 > WLR_OUTPUT_DAMAGE_PREVIOUS_LEN) {
|
||||
int width, height;
|
||||
wlr_output_transformed_resolution(output, &width, &height);
|
||||
|
||||
// Buffer new or too old, damage the whole output
|
||||
pixman_region32_union_rect(damage, damage, 0, 0, width, height);
|
||||
*needs_frame = true;
|
||||
} else {
|
||||
pixman_region32_copy(damage, &output_damage->current);
|
||||
|
||||
// Accumulate damage from old buffers
|
||||
size_t idx = output_damage->previous_idx;
|
||||
for (int i = 0; i < buffer_age - 1; ++i) {
|
||||
int j = (idx + i) % WLR_OUTPUT_DAMAGE_PREVIOUS_LEN;
|
||||
pixman_region32_union(damage, damage, &output_damage->previous[j]);
|
||||
}
|
||||
|
||||
// Check the number of rectangles
|
||||
int n_rects = pixman_region32_n_rects(damage);
|
||||
if (n_rects > output_damage->max_rects) {
|
||||
pixman_box32_t *extents = pixman_region32_extents(damage);
|
||||
pixman_region32_union_rect(damage, damage, extents->x1, extents->y1,
|
||||
extents->x2 - extents->x1, extents->y2 - extents->y1);
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void wlr_output_damage_add(struct wlr_output_damage *output_damage,
|
||||
const pixman_region32_t *damage) {
|
||||
int width, height;
|
||||
wlr_output_transformed_resolution(output_damage->output, &width, &height);
|
||||
|
||||
pixman_region32_t clipped_damage;
|
||||
pixman_region32_init(&clipped_damage);
|
||||
pixman_region32_intersect_rect(&clipped_damage, damage, 0, 0, width, height);
|
||||
|
||||
if (pixman_region32_not_empty(&clipped_damage)) {
|
||||
pixman_region32_union(&output_damage->current, &output_damage->current,
|
||||
&clipped_damage);
|
||||
wlr_output_schedule_frame(output_damage->output);
|
||||
}
|
||||
|
||||
pixman_region32_fini(&clipped_damage);
|
||||
}
|
||||
|
||||
void wlr_output_damage_add_whole(struct wlr_output_damage *output_damage) {
|
||||
int width, height;
|
||||
wlr_output_transformed_resolution(output_damage->output, &width, &height);
|
||||
|
||||
pixman_region32_union_rect(&output_damage->current, &output_damage->current,
|
||||
0, 0, width, height);
|
||||
|
||||
wlr_output_schedule_frame(output_damage->output);
|
||||
}
|
||||
|
||||
void wlr_output_damage_add_box(struct wlr_output_damage *output_damage,
|
||||
struct wlr_box *box) {
|
||||
pixman_region32_t damage;
|
||||
pixman_region32_init_rect(&damage,
|
||||
box->x, box->y, box->width, box->height);
|
||||
wlr_output_damage_add(output_damage, &damage);
|
||||
pixman_region32_fini(&damage);
|
||||
}
|
||||
Loading…
Reference in a new issue