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Merge pull request #1272 from emersion/presentation-time

Browse source 
Implement presentation-time
This commit is contained in:
Drew DeVault 2018-10-04 22:18:19 +02:00 committed by GitHub
commit 24a48d4858
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GPG key ID: 4AEE18F83AFDEB23
22 changed files with 569 additions and 85 deletions
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7
backend/backend.c
View file

@ -64,6 +64,13 @@ struct wlr_session *wlr_backend_get_session(struct wlr_backend *backend) {
return NULL;
}
clockid_t wlr_backend_get_presentation_clock(struct wlr_backend *backend) {
if (backend->impl->get_presentation_clock) {
return backend->impl->get_presentation_clock(backend);
}
return CLOCK_MONOTONIC;
}
static size_t parse_outputs_env(const char *name) {
const char *outputs_str = getenv(name);
if (outputs_str == NULL) {

6
backend/drm/backend.c
View file

@ -65,10 +65,16 @@ static struct wlr_renderer *backend_get_renderer(
}
}
static clockid_t backend_get_presentation_clock(struct wlr_backend *backend) {
struct wlr_drm_backend *drm = get_drm_backend_from_backend(backend);
return drm->clock;
}
static struct wlr_backend_impl backend_impl = {
.start = backend_start,
.destroy = backend_destroy,
.get_renderer = backend_get_renderer,
.get_presentation_clock = backend_get_presentation_clock,
};
bool wlr_backend_is_drm(struct wlr_backend *b) {

33
backend/drm/drm.c
View file

@ -1,3 +1,4 @@
#define _POSIX_C_SOURCE 199309L
#include <assert.h>
#include <drm_mode.h>
#include <EGL/egl.h>
@ -27,8 +28,8 @@
#include "util/signal.h"
bool check_drm_features(struct wlr_drm_backend *drm) {
if (drm->parent) {
uint64_t cap;
if (drm->parent) {
if (drmGetCap(drm->fd, DRM_CAP_PRIME, &cap) ||
!(cap & DRM_PRIME_CAP_IMPORT)) {
wlr_log(WLR_ERROR,
@ -51,16 +52,21 @@ bool check_drm_features(struct wlr_drm_backend *drm) {
const char *no_atomic = getenv("WLR_DRM_NO_ATOMIC");
if (no_atomic && strcmp(no_atomic, "1") == 0) {
wlr_log(WLR_DEBUG, "WLR_DRM_NO_ATOMIC set, forcing legacy DRM interface");
wlr_log(WLR_DEBUG,
"WLR_DRM_NO_ATOMIC set, forcing legacy DRM interface");
drm->iface = &legacy_iface;
} else if (drmSetClientCap(drm->fd, DRM_CLIENT_CAP_ATOMIC, 1)) {
wlr_log(WLR_DEBUG, "Atomic modesetting unsupported, using legacy DRM interface");
wlr_log(WLR_DEBUG,
"Atomic modesetting unsupported, using legacy DRM interface");
drm->iface = &legacy_iface;
} else {
wlr_log(WLR_DEBUG, "Using atomic DRM interface");
drm->iface = &atomic_iface;
}
int ret = drmGetCap(drm->fd, DRM_CAP_TIMESTAMP_MONOTONIC, &cap);
drm->clock = (ret == 0 && cap == 1) ? CLOCK_MONOTONIC : CLOCK_REALTIME;
return true;
}
@ -1148,9 +1154,13 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
attempt_enable_needs_modeset(drm);
}
static int mhz_to_nsec(int mhz) {
return 1000000000000LL / mhz;
}
static void page_flip_handler(int fd, unsigned seq,
unsigned tv_sec, unsigned tv_usec, void *user) {
struct wlr_drm_connector *conn = user;
unsigned tv_sec, unsigned tv_usec, void *data) {
struct wlr_drm_connector *conn = data;
struct wlr_drm_backend *drm =
get_drm_backend_from_backend(conn->output.backend);
@ -1170,6 +1180,19 @@ static void page_flip_handler(int fd, unsigned seq,
post_drm_surface(&conn->crtc->primary->mgpu_surf);
}
struct timespec present_time = {
.tv_sec = tv_sec,
.tv_nsec = tv_usec * 1000,
};
struct wlr_output_event_present present_event = {
.when = &present_time,
.seq = seq,
.refresh = mhz_to_nsec(conn->output.refresh),
.flags = WLR_OUTPUT_PRESENT_VSYNC | WLR_OUTPUT_PRESENT_HW_CLOCK |
WLR_OUTPUT_PRESENT_HW_COMPLETION,
};
wlr_output_send_present(&conn->output, &present_event);
if (drm->session->active) {
wlr_output_send_frame(&conn->output);
}

4
backend/headless/output.c
View file

@ -67,7 +67,9 @@ static bool output_make_current(struct wlr_output *wlr_output, int *buffer_age)
static bool output_swap_buffers(struct wlr_output *wlr_output,
pixman_region32_t *damage) {
return true; // No-op
// Nothing needs to be done for pbuffers
wlr_output_send_present(wlr_output, NULL);
return true;
}
static void output_destroy(struct wlr_output *wlr_output) {

17
backend/multi/backend.c
View file

@ -1,6 +1,8 @@
#define _POSIX_C_SOURCE 199309L
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <time.h>
#include <wlr/backend/interface.h>
#include <wlr/backend/session.h>
#include <wlr/util/log.h>
@ -77,11 +79,26 @@ static struct wlr_session *multi_backend_get_session(
return backend->session;
}
static clockid_t multi_backend_get_presentation_clock(
struct wlr_backend *backend) {
struct wlr_multi_backend *multi = multi_backend_from_backend(backend);
struct subbackend_state *sub;
wl_list_for_each(sub, &multi->backends, link) {
if (sub->backend->impl->get_presentation_clock) {
return wlr_backend_get_presentation_clock(sub->backend);
}
}
return CLOCK_MONOTONIC;
}
struct wlr_backend_impl backend_impl = {
.start = multi_backend_start,
.destroy = multi_backend_destroy,
.get_renderer = multi_backend_get_renderer,
.get_session = multi_backend_get_session,
.get_presentation_clock = multi_backend_get_presentation_clock,
};
static void handle_display_destroy(struct wl_listener *listener, void *data) {

10
backend/wayland/output.c
View file

@ -66,8 +66,14 @@ static bool output_swap_buffers(struct wlr_output *wlr_output,
output->frame_callback = wl_surface_frame(output->surface);
wl_callback_add_listener(output->frame_callback, &frame_listener, output);
return wlr_egl_swap_buffers(&output->backend->egl, output->egl_surface,
damage);
if (!wlr_egl_swap_buffers(&output->backend->egl,
output->egl_surface, damage)) {
return false;
}
// TODO: if available, use the presentation-time protocol
wlr_output_send_present(wlr_output, NULL);
return true;
}
static void output_transform(struct wlr_output *wlr_output,

7
backend/x11/output.c
View file

@ -102,7 +102,12 @@ static bool output_swap_buffers(struct wlr_output *wlr_output,
struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output;
struct wlr_x11_backend *x11 = output->x11;
return wlr_egl_swap_buffers(&x11->egl, output->surf, damage);
if (!wlr_egl_swap_buffers(&x11->egl, output->surf, damage)) {
return false;
}
wlr_output_send_present(wlr_output, NULL);
return true;
}
static const struct wlr_output_impl output_impl = {

2
include/backend/drm/drm.h
View file

@ -6,6 +6,7 @@
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <time.h>
#include <wayland-server.h>
#include <wayland-util.h>
#include <wlr/backend/drm.h>
@ -67,6 +68,7 @@ struct wlr_drm_backend {
struct wlr_drm_backend *parent;
const struct wlr_drm_interface *iface;
clockid_t clock;
int fd;

2
include/rootston/desktop.h
View file

@ -13,6 +13,7 @@
#include <wlr/types/wlr_list.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_presentation_time.h>
#include <wlr/types/wlr_primary_selection.h>
#include <wlr/types/wlr_screencopy_v1.h>
#include <wlr/types/wlr_screenshooter.h>
@ -57,6 +58,7 @@ struct roots_desktop {
struct wlr_screencopy_manager_v1 *screencopy;
struct wlr_tablet_manager_v2 *tablet_v2;
struct wlr_pointer_constraints_v1 *pointer_constraints;
struct wlr_presentation *presentation;
struct wl_listener new_output;
struct wl_listener layout_change;

1
include/rootston/output.h
View file

@ -24,6 +24,7 @@ struct roots_output {
struct wl_listener destroy;
struct wl_listener mode;
struct wl_listener transform;
struct wl_listener present;
struct wl_listener damage_frame;
struct wl_listener damage_destroy;
};

4
include/wlr/backend.h
View file

@ -62,5 +62,9 @@ struct wlr_renderer *wlr_backend_get_renderer(struct wlr_backend *backend);
* Might return NULL for backends that don't use a session.
*/
struct wlr_session *wlr_backend_get_session(struct wlr_backend *backend);
/**
* Returns the clock used by the backend for presentation feedback.
*/
clockid_t wlr_backend_get_presentation_clock(struct wlr_backend *backend);
#endif

2
include/wlr/backend/interface.h
View file

@ -10,6 +10,7 @@
#define WLR_BACKEND_INTERFACE_H
#include <stdbool.h>
#include <time.h>
#include <wlr/backend.h>
#include <wlr/render/egl.h>
@ -18,6 +19,7 @@ struct wlr_backend_impl {
void (*destroy)(struct wlr_backend *backend);
struct wlr_renderer *(*get_renderer)(struct wlr_backend *backend);
struct wlr_session *(*get_session)(struct wlr_backend *backend);
clockid_t (*get_presentation_clock)(struct wlr_backend *backend);
};
/**

2
include/wlr/interfaces/wlr_output.h
View file

@ -45,5 +45,7 @@ void wlr_output_update_enabled(struct wlr_output *output, bool enabled);
void wlr_output_update_needs_swap(struct wlr_output *output);
void wlr_output_damage_whole(struct wlr_output *output);
void wlr_output_send_frame(struct wlr_output *output);
void wlr_output_send_present(struct wlr_output *output,
struct wlr_output_event_present *event);
#endif

9
include/wlr/types/meson.build
View file

@ -5,10 +5,10 @@ install_headers(
'wlr_cursor.h',
'wlr_data_device.h',
'wlr_export_dmabuf_v1.h',
'wlr_gamma_control.h',
'wlr_gamma_control_v1.h',
'wlr_idle.h',
'wlr_gamma_control.h',
'wlr_idle_inhibit_v1.h',
'wlr_idle.h',
'wlr_input_device.h',
'wlr_input_inhibitor.h',
'wlr_keyboard.h',
@ -16,10 +16,11 @@ install_headers(
'wlr_linux_dmabuf_v1.h',
'wlr_list.h',
'wlr_matrix.h',
'wlr_output.h',
'wlr_output_damage.h',
'wlr_output_layout.h',
'wlr_output.h',
'wlr_pointer.h',
'wlr_presentation_time.h',
'wlr_primary_selection.h',
'wlr_region.h',
'wlr_screencopy_v1.h',
@ -36,7 +37,7 @@ install_headers(
'wlr_xcursor_manager.h',
'wlr_xdg_decoration_v1.h',
'wlr_xdg_output_v1.h',
'wlr_xdg_shell.h',
'wlr_xdg_shell_v6.h',
'wlr_xdg_shell.h',
subdir: 'wlr/types',
)

32
include/wlr/types/wlr_output.h
View file

@ -88,9 +88,15 @@ struct wlr_output {
float transform_matrix[9];
struct {
// Request to render a frame
struct wl_signal frame;
// Emitted when buffers need to be swapped (because software cursors or
// fullscreen damage or because of backend-specific logic)
struct wl_signal needs_swap;
// Emitted right before buffer swap
struct wl_signal swap_buffers; // wlr_output_event_swap_buffers
// Emitted right after the buffer has been presented to the user
struct wl_signal present; // wlr_output_event_present
struct wl_signal enable;
struct wl_signal mode;
struct wl_signal scale;
@ -123,6 +129,32 @@ struct wlr_output_event_swap_buffers {
pixman_region32_t *damage;
};
enum wlr_output_present_flag {
// The presentation was synchronized to the "vertical retrace" by the
// display hardware such that tearing does not happen.
WLR_OUTPUT_PRESENT_VSYNC = 0x1,
// The display hardware provided measurements that the hardware driver
// converted into a presentation timestamp.
WLR_OUTPUT_PRESENT_HW_CLOCK = 0x2,
// The display hardware signalled that it started using the new image
// content.
WLR_OUTPUT_PRESENT_HW_COMPLETION = 0x4,
// The presentation of this update was done zero-copy.
WLR_OUTPUT_PRESENT_ZERO_COPY = 0x8,
};
struct wlr_output_event_present {
struct wlr_output *output;
// Time when the content update turned into light the first time.
struct timespec *when;
// Vertical retrace counter. Zero if unavailable.
unsigned seq;
// Prediction of how many nanoseconds after `when` the very next output
// refresh may occur. Zero if unknown.
int refresh; // nsec
uint32_t flags; // enum wlr_output_present_flag
};
struct wlr_surface;
/**

59
include/wlr/types/wlr_presentation_time.h Normal file
View file

@ -0,0 +1,59 @@
/*
* 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_PRESENTATION_TIME_H
#define WLR_TYPES_WLR_PRESENTATION_TIME_H
#include <stdbool.h>
#include <stddef.h>
#include <time.h>
#include <wayland-server.h>
struct wlr_presentation {
struct wl_global *global;
struct wl_list resources; // wl_resource_get_link
struct wl_list feedbacks; // wlr_presentation_feedback::link
clockid_t clock;
struct {
struct wl_signal destroy;
} events;
struct wl_listener display_destroy;
};
struct wlr_presentation_feedback {
struct wl_resource *resource;
struct wlr_presentation *presentation;
struct wlr_surface *surface;
bool committed;
struct wl_list link; // wlr_presentation::feedbacks
struct wl_listener surface_commit;
struct wl_listener surface_destroy;
};
struct wlr_presentation_event {
struct wlr_output *output;
uint64_t tv_sec;
uint32_t tv_nsec;
uint32_t refresh;
uint64_t seq;
uint32_t flags; // wp_presentation_feedback_kind
};
struct wlr_backend;
struct wlr_presentation *wlr_presentation_create(struct wl_display *display,
struct wlr_backend *backend);
void wlr_presentation_destroy(struct wlr_presentation *presentation);
void wlr_presentation_send_surface_presented(
struct wlr_presentation *presentation, struct wlr_surface *surface,
struct wlr_presentation_event *event);
#endif

1
protocol/meson.build
View file

@ -11,6 +11,7 @@ else
endif
protocols = [
[wl_protocol_dir, 'stable/presentation-time/presentation-time.xml'],
[wl_protocol_dir, 'stable/xdg-shell/xdg-shell.xml'],
[wl_protocol_dir, 'unstable/idle-inhibit/idle-inhibit-unstable-v1.xml'],
[wl_protocol_dir, 'unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml'],

3
rootston/desktop.c
View file

@ -969,6 +969,9 @@ struct roots_desktop *desktop_create(struct roots_server *server,
wl_signal_add(&desktop->pointer_constraints->events.new_constraint,
&desktop->pointer_constraint);
desktop->presentation =
wlr_presentation_create(server->wl_display, server->backend);
return desktop;
}

178
rootston/output.c
View file

@ -5,9 +5,10 @@
#include <time.h>
#include <wlr/backend/drm.h>
#include <wlr/config.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_presentation_time.h>
#include <wlr/types/wlr_wl_shell.h>
#include <wlr/types/wlr_xdg_shell_v6.h>
#include <wlr/types/wlr_xdg_shell.h>
@ -127,6 +128,65 @@ static void drag_icons_for_each_surface(struct roots_input *input,
}
}
static void layer_for_each_surface(struct wl_list *layer,
const struct wlr_box *output_layout_box,
wlr_surface_iterator_func_t iterator, struct layout_data *layout_data,
void *user_data) {
struct roots_layer_surface *roots_surface;
wl_list_for_each(roots_surface, layer, link) {
struct wlr_layer_surface_v1 *layer = roots_surface->layer_surface;
layout_data->x = roots_surface->geo.x + output_layout_box->x;
layout_data->y = roots_surface->geo.y + output_layout_box->y;
layout_data->width = roots_surface->geo.width;
layout_data->height = roots_surface->geo.height;
layout_data->rotation = 0;
wlr_layer_surface_v1_for_each_surface(layer, iterator, user_data);
}
}
static void output_for_each_surface(struct roots_output *output,
wlr_surface_iterator_func_t iterator, struct layout_data *layout_data,
void *user_data) {
struct wlr_output *wlr_output = output->wlr_output;
struct roots_desktop *desktop = output->desktop;
struct roots_server *server = desktop->server;
const struct wlr_box *output_box =
wlr_output_layout_get_box(desktop->layout, wlr_output);
if (output->fullscreen_view != NULL) {
struct roots_view *view = output->fullscreen_view;
if (wlr_output->fullscreen_surface == view->wlr_surface) {
// The surface is managed by the wlr_output
return;
}
view_for_each_surface(view, layout_data, iterator, user_data);
#ifdef WLR_HAS_XWAYLAND
if (view->type == ROOTS_XWAYLAND_VIEW) {
xwayland_children_for_each_surface(view->xwayland_surface,
iterator, layout_data, user_data);
}
#endif
} else {
struct roots_view *view;
wl_list_for_each_reverse(view, &desktop->views, link) {
view_for_each_surface(view, layout_data, iterator, user_data);
}
drag_icons_for_each_surface(server->input, iterator,
layout_data, user_data);
}
size_t len = sizeof(output->layers) / sizeof(output->layers[0]);
for (size_t i = 0; i < len; ++i) {
layer_for_each_surface(&output->layers[i], output_box,
iterator, layout_data, user_data);
}
}
struct render_data {
struct layout_data layout;
@ -320,6 +380,14 @@ static void render_view(struct roots_view *view, struct render_data *data) {
view_for_each_surface(view, &data->layout, render_surface, data);
}
static void render_layer(struct roots_output *output,
const struct wlr_box *output_layout_box, struct render_data *data,
struct wl_list *layer) {
data->alpha = 1;
layer_for_each_surface(layer, output_layout_box, render_surface,
&data->layout, data);
}
static bool has_standalone_surface(struct roots_view *view) {
if (!wl_list_empty(&view->wlr_surface->subsurfaces)) {
return false;
@ -358,38 +426,6 @@ static void surface_send_frame_done(struct wlr_surface *surface, int sx, int sy,
wlr_surface_send_frame_done(surface, when);
}
static void render_layer(struct roots_output *output,
const struct wlr_box *output_layout_box, struct render_data *data,
struct wl_list *layer) {
struct roots_layer_surface *roots_surface;
wl_list_for_each(roots_surface, layer, link) {
struct wlr_layer_surface_v1 *layer = roots_surface->layer_surface;
surface_for_each_surface(layer->surface,
roots_surface->geo.x + output_layout_box->x,
roots_surface->geo.y + output_layout_box->y,
0, &data->layout, render_surface, data);
wlr_layer_surface_v1_for_each_surface(layer, render_surface, data);
}
}
static void layers_send_done(
struct roots_output *output, struct timespec *when) {
size_t len = sizeof(output->layers) / sizeof(output->layers[0]);
for (size_t i = 0; i < len; ++i) {
struct roots_layer_surface *roots_surface;
wl_list_for_each(roots_surface, &output->layers[i], link) {
struct wlr_layer_surface_v1 *layer = roots_surface->layer_surface;
wlr_surface_send_frame_done(layer->surface, when);
struct wlr_xdg_popup *popup;
wl_list_for_each(popup, &roots_surface->layer_surface->popups, link) {
wlr_surface_send_frame_done(popup->base->surface, when);
}
}
}
}
static void render_output(struct roots_output *output) {
struct wlr_output *wlr_output = output->wlr_output;
struct roots_desktop *desktop = output->desktop;
@ -537,33 +573,8 @@ damage_finish:
pixman_region32_fini(&damage);
// Send frame done events to all surfaces
if (output->fullscreen_view != NULL) {
struct roots_view *view = output->fullscreen_view;
if (wlr_output->fullscreen_surface == view->wlr_surface) {
// The surface is managed by the wlr_output
return;
}
view_for_each_surface(view, &data.layout, surface_send_frame_done,
&data);
#ifdef WLR_HAS_XWAYLAND
if (view->type == ROOTS_XWAYLAND_VIEW) {
xwayland_children_for_each_surface(view->xwayland_surface,
surface_send_frame_done, &data.layout, &data);
}
#endif
} else {
struct roots_view *view;
wl_list_for_each_reverse(view, &desktop->views, link) {
view_for_each_surface(view, &data.layout, surface_send_frame_done,
&data);
}
drag_icons_for_each_surface(server->input, surface_send_frame_done,
output_for_each_surface(output, surface_send_frame_done,
&data.layout, &data);
}
layers_send_done(output, data.when);
}
void output_damage_whole(struct roots_output *output) {
@ -774,6 +785,7 @@ static void output_destroy(struct roots_output *output) {
wl_list_remove(&output->destroy.link);
wl_list_remove(&output->mode.link);
wl_list_remove(&output->transform.link);
wl_list_remove(&output->present.link);
wl_list_remove(&output->damage_frame.link);
wl_list_remove(&output->damage_destroy.link);
free(output);
@ -810,6 +822,52 @@ static void output_handle_transform(struct wl_listener *listener, void *data) {
arrange_layers(output);
}
struct presentation_data {
struct layout_data layout;
struct roots_output *output;
struct wlr_presentation_event *event;
};
static void surface_send_presented(struct wlr_surface *surface, int sx, int sy,
void *_data) {
struct presentation_data *data = _data;
struct roots_output *output = data->output;
float rotation = data->layout.rotation;
double lx, ly;
get_layout_position(&data->layout, &lx, &ly, surface, sx, sy);
if (!surface_intersect_output(surface, output->desktop->layout,
output->wlr_output, lx, ly, rotation, NULL)) {
return;
}
wlr_presentation_send_surface_presented(output->desktop->presentation,
surface, data->event);
}
static void output_handle_present(struct wl_listener *listener, void *data) {
struct roots_output *output =
wl_container_of(listener, output, present);
struct wlr_output_event_present *output_event = data;
struct wlr_presentation_event event = {
.output = output->wlr_output,
.tv_sec = (uint64_t)output_event->when->tv_sec,
.tv_nsec = (uint32_t)output_event->when->tv_nsec,
.refresh = (uint32_t)output_event->refresh,
.seq = (uint64_t)output_event->seq,
.flags = output_event->flags,
};
struct presentation_data presentation_data = {
.output = output,
.event = &event,
};
output_for_each_surface(output, surface_send_presented,
&presentation_data.layout, &presentation_data);
}
void handle_new_output(struct wl_listener *listener, void *data) {
struct roots_desktop *desktop = wl_container_of(listener, desktop,
new_output);
@ -837,6 +895,8 @@ void handle_new_output(struct wl_listener *listener, void *data) {
wl_signal_add(&wlr_output->events.mode, &output->mode);
output->transform.notify = output_handle_transform;
wl_signal_add(&wlr_output->events.transform, &output->transform);
output->present.notify = output_handle_present;
wl_signal_add(&wlr_output->events.present, &output->present);
output->damage_frame.notify = output_damage_handle_frame;
wl_signal_add(&output->damage->events.frame, &output->damage_frame);

25
types/meson.build
View file

@ -9,23 +9,27 @@ lib_wlr_types = static_library(
'seat/wlr_seat_pointer.c',
'seat/wlr_seat_touch.c',
'seat/wlr_seat.c',
'xdg_shell/wlr_xdg_popup.c',
'xdg_shell/wlr_xdg_positioner.c',
'xdg_shell/wlr_xdg_shell.c',
'xdg_shell/wlr_xdg_surface.c',
'xdg_shell/wlr_xdg_toplevel.c',
'tablet_v2/wlr_tablet_v2_pad.c',
'tablet_v2/wlr_tablet_v2_tablet.c',
'tablet_v2/wlr_tablet_v2_tool.c',
'tablet_v2/wlr_tablet_v2.c',
'xdg_shell_v6/wlr_xdg_popup_v6.c',
'xdg_shell_v6/wlr_xdg_positioner_v6.c',
'xdg_shell_v6/wlr_xdg_shell_v6.c',
'xdg_shell_v6/wlr_xdg_surface_v6.c',
'xdg_shell_v6/wlr_xdg_toplevel_v6.c',
'xdg_shell/wlr_xdg_popup.c',
'xdg_shell/wlr_xdg_positioner.c',
'xdg_shell/wlr_xdg_shell.c',
'xdg_shell/wlr_xdg_surface.c',
'xdg_shell/wlr_xdg_toplevel.c',
'wlr_box.c',
'wlr_buffer.c',
'wlr_compositor.c',
'wlr_cursor.c',
'wlr_export_dmabuf_v1.c',
'wlr_gamma_control.c',
'wlr_gamma_control_v1.c',
'wlr_gamma_control.c',
'wlr_idle_inhibit_v1.c',
'wlr_idle.c',
'wlr_input_device.c',
@ -38,17 +42,15 @@ lib_wlr_types = static_library(
'wlr_output_damage.c',
'wlr_output_layout.c',
'wlr_output.c',
'wlr_pointer.c',
'wlr_pointer_constraints_v1.c',
'wlr_pointer.c',
'wlr_presentation_time.c',
'wlr_primary_selection.c',
'wlr_region.c',
'wlr_screencopy_v1.c',
'wlr_screenshooter.c',
'wlr_server_decoration.c',
'wlr_surface.c',
'tablet_v2/wlr_tablet_v2.c',
'tablet_v2/wlr_tablet_v2_pad.c',
'tablet_v2/wlr_tablet_v2_tablet.c',
'tablet_v2/wlr_tablet_v2_tool.c',
'wlr_tablet_pad.c',
'wlr_tablet_tool.c',
'wlr_touch.c',
@ -57,7 +59,6 @@ lib_wlr_types = static_library(
'wlr_xcursor_manager.c',
'wlr_xdg_decoration_v1.c',
'wlr_xdg_output_v1.c',
'wlr_screencopy_v1.c',
),
include_directories: wlr_inc,
dependencies: [pixman, xkbcommon, wayland_server, wlr_protos, libinput],

25
types/wlr_output.c
View file

@ -266,6 +266,7 @@ void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
wl_signal_init(&output->events.frame);
wl_signal_init(&output->events.needs_swap);
wl_signal_init(&output->events.swap_buffers);
wl_signal_init(&output->events.present);
wl_signal_init(&output->events.enable);
wl_signal_init(&output->events.mode);
wl_signal_init(&output->events.scale);
@ -560,6 +561,30 @@ void wlr_output_schedule_frame(struct wlr_output *output) {
wl_event_loop_add_idle(ev, schedule_frame_handle_idle_timer, output);
}
void wlr_output_send_present(struct wlr_output *output,
struct wlr_output_event_present *event) {
struct wlr_output_event_present _event = {0};
if (event == NULL) {
event = &_event;
}
event->output = output;
struct timespec now;
if (event->when == NULL) {
clockid_t clock = wlr_backend_get_presentation_clock(output->backend);
errno = 0;
if (clock_gettime(clock, &now) != 0) {
wlr_log_errno(WLR_ERROR, "failed to send output present event: "
"failed to read clock");
return;
}
event->when = &now;
}
wlr_signal_emit_safe(&output->events.present, event);
}
bool wlr_output_set_gamma(struct wlr_output *output, size_t size,
const uint16_t *r, const uint16_t *g, const uint16_t *b) {
if (!output->impl->set_gamma) {

223
types/wlr_presentation_time.c Normal file
View file

@ -0,0 +1,223 @@
#define _POSIX_C_SOURCE 199309L
#include <assert.h>
#include <stdlib.h>
#include <wlr/types/wlr_presentation_time.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/backend.h>
#include "presentation-time-protocol.h"
#include "util/signal.h"
#define PRESENTATION_VERSION 1
static struct wlr_presentation_feedback *presentation_feedback_from_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource,
&wp_presentation_feedback_interface, NULL));
return wl_resource_get_user_data(resource);
}
static void feedback_handle_resource_destroy(struct wl_resource *resource) {
struct wlr_presentation_feedback *feedback =
presentation_feedback_from_resource(resource);
wl_list_remove(&feedback->surface_commit.link);
wl_list_remove(&feedback->surface_destroy.link);
wl_list_remove(&feedback->link);
free(feedback);
}
// Destroys the feedback
static void feedback_send_presented(struct wlr_presentation_feedback *feedback,
struct wlr_presentation_event *event) {
struct wl_client *client = wl_resource_get_client(feedback->resource);
struct wl_resource *resource;
wl_resource_for_each(resource, &event->output->resources) {
if (wl_resource_get_client(resource) == client) {
wp_presentation_feedback_send_sync_output(feedback->resource,
resource);
}
}
uint32_t tv_sec_hi = event->tv_sec >> 32;
uint32_t tv_sec_lo = event->tv_sec & 0xFFFFFFFF;
uint32_t seq_hi = event->seq >> 32;
uint32_t seq_lo = event->seq & 0xFFFFFFFF;
wp_presentation_feedback_send_presented(feedback->resource,
tv_sec_hi, tv_sec_lo, event->tv_nsec, event->refresh,
seq_hi, seq_lo, event->flags);
wl_resource_destroy(feedback->resource);
}
// Destroys the feedback
static void feedback_send_discarded(
struct wlr_presentation_feedback *feedback) {
wp_presentation_feedback_send_discarded(feedback->resource);
wl_resource_destroy(feedback->resource);
}
static void feedback_handle_surface_commit(struct wl_listener *listener,
void *data) {
struct wlr_presentation_feedback *feedback =
wl_container_of(listener, feedback, surface_commit);
if (feedback->committed) {
// The content update has been superseded
feedback_send_discarded(feedback);
} else {
feedback->committed = true;
}
}
static void feedback_handle_surface_destroy(struct wl_listener *listener,
void *data) {
struct wlr_presentation_feedback *feedback =
wl_container_of(listener, feedback, surface_destroy);
feedback_send_discarded(feedback);
}
static const struct wp_presentation_interface presentation_impl;
static struct wlr_presentation *presentation_from_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource, &wp_presentation_interface,
&presentation_impl));
return wl_resource_get_user_data(resource);
}
static void presentation_handle_feedback(struct wl_client *client,
struct wl_resource *resource, struct wl_resource *surface_resource,
uint32_t id) {
struct wlr_presentation *presentation =
presentation_from_resource(resource);
struct wlr_surface *surface = wlr_surface_from_resource(surface_resource);
struct wlr_presentation_feedback *feedback =
calloc(1, sizeof(struct wlr_presentation_feedback));
if (feedback == NULL) {
wl_client_post_no_memory(client);
return;
}
uint32_t version = wl_resource_get_version(resource);
feedback->resource = wl_resource_create(client,
&wp_presentation_feedback_interface, version, id);
if (feedback->resource == NULL) {
free(feedback);
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(feedback->resource, NULL, feedback,
feedback_handle_resource_destroy);
feedback->surface = surface;
feedback->surface_commit.notify = feedback_handle_surface_commit;
wl_signal_add(&surface->events.commit, &feedback->surface_commit);
feedback->surface_destroy.notify = feedback_handle_surface_destroy;
wl_signal_add(&surface->events.destroy, &feedback->surface_destroy);
wl_list_insert(&presentation->feedbacks, &feedback->link);
}
static void presentation_handle_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static const struct wp_presentation_interface presentation_impl = {
.feedback = presentation_handle_feedback,
.destroy = presentation_handle_destroy,
};
static void presentation_handle_resource_destroy(struct wl_resource *resource) {
wl_list_remove(wl_resource_get_link(resource));
}
static void presentation_bind(struct wl_client *client, void *data,
uint32_t version, uint32_t id) {
struct wlr_presentation *presentation = data;
struct wl_resource *resource = wl_resource_create(client,
&wp_presentation_interface, version, id);
if (resource == NULL) {
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(resource, &presentation_impl, presentation,
presentation_handle_resource_destroy);
wl_list_insert(&presentation->resources, wl_resource_get_link(resource));
wp_presentation_send_clock_id(resource, (uint32_t)presentation->clock);
}
static void handle_display_destroy(struct wl_listener *listener, void *data) {
struct wlr_presentation *presentation =
wl_container_of(listener, presentation, display_destroy);
wlr_presentation_destroy(presentation);
}
struct wlr_presentation *wlr_presentation_create(struct wl_display *display,
struct wlr_backend *backend) {
struct wlr_presentation *presentation =
calloc(1, sizeof(struct wlr_presentation));
if (presentation == NULL) {
return NULL;
}
presentation->global = wl_global_create(display, &wp_presentation_interface,
PRESENTATION_VERSION, presentation, presentation_bind);
if (presentation->global == NULL) {
free(presentation);
return NULL;
}
presentation->clock = wlr_backend_get_presentation_clock(backend);
wl_list_init(&presentation->resources);
wl_list_init(&presentation->feedbacks);
wl_signal_init(&presentation->events.destroy);
presentation->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &presentation->display_destroy);
return presentation;
}
void wlr_presentation_destroy(struct wlr_presentation *presentation) {
if (presentation == NULL) {
return;
}
wlr_signal_emit_safe(&presentation->events.destroy, presentation);
wl_global_destroy(presentation->global);
struct wlr_presentation_feedback *feedback, *feedback_tmp;
wl_list_for_each_safe(feedback, feedback_tmp, &presentation->feedbacks,
link) {
wl_resource_destroy(feedback->resource);
}
struct wl_resource *resource, *resource_tmp;
wl_resource_for_each_safe(resource, resource_tmp,
&presentation->resources) {
wl_resource_destroy(resource);
}
wl_list_remove(&presentation->display_destroy.link);
free(presentation);
}
void wlr_presentation_send_surface_presented(
struct wlr_presentation *presentation, struct wlr_surface *surface,
struct wlr_presentation_event *event) {
// TODO: maybe use a hashtable to optimize this function
struct wlr_presentation_feedback *feedback, *feedback_tmp;
wl_list_for_each_safe(feedback, feedback_tmp,
&presentation->feedbacks, link) {
if (feedback->surface == surface && feedback->committed) {
feedback_send_presented(feedback, event);
}
}
}