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ext-image-copy-capture-v1: new protocol implementation

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Co-authored-by: Andri Yngvason <andri@yngvason.is>
master
Simon Ser 7 months ago
parent a05965afe5
commit 18c5445d84
4 changed files with 637 additions and 0 deletions
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47
include/wlr/types/wlr_ext_image_copy_capture_v1.h
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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_EXT_IMAGE_COPY_CAPTURE_V1_H
#define WLR_TYPES_WLR_EXT_IMAGE_COPY_CAPTURE_V1_H
#include <wayland-server.h>
#include <time.h>
#include "ext-image-copy-capture-v1-protocol.h"
struct wlr_ext_image_copy_capture_manager_v1 {
struct wl_global *global;
// private state
struct wl_listener display_destroy;
};
struct wlr_ext_image_copy_capture_frame_v1 {
struct wl_resource *resource;
bool capturing;
struct wlr_buffer *buffer;
pixman_region32_t buffer_damage;
struct {
struct wl_signal destroy;
} events;
// private state
struct wlr_ext_image_copy_capture_session_v1 *session;
};
struct wlr_ext_image_copy_capture_manager_v1 *wlr_ext_image_copy_capture_manager_v1_create(
struct wl_display *display, uint32_t version);
void wlr_ext_image_copy_capture_frame_v1_ready(struct wlr_ext_image_copy_capture_frame_v1 *frame,
enum wl_output_transform transform, const struct timespec *presentation_time);
void wlr_ext_image_copy_capture_frame_v1_fail(struct wlr_ext_image_copy_capture_frame_v1 *frame,
enum ext_image_copy_capture_frame_v1_failure_reason reason);
#endif

1
protocol/meson.build
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@ -27,6 +27,7 @@ protocols = {
'ext-foreign-toplevel-list-v1': wl_protocol_dir / 'staging/ext-foreign-toplevel-list/ext-foreign-toplevel-list-v1.xml', 'ext-foreign-toplevel-list-v1': wl_protocol_dir / 'staging/ext-foreign-toplevel-list/ext-foreign-toplevel-list-v1.xml',
'ext-idle-notify-v1': wl_protocol_dir / 'staging/ext-idle-notify/ext-idle-notify-v1.xml', 'ext-idle-notify-v1': wl_protocol_dir / 'staging/ext-idle-notify/ext-idle-notify-v1.xml',
'ext-image-capture-source-v1': wl_protocol_dir / 'staging/ext-image-capture-source/ext-image-capture-source-v1.xml', 'ext-image-capture-source-v1': wl_protocol_dir / 'staging/ext-image-capture-source/ext-image-capture-source-v1.xml',
'ext-image-copy-capture-v1': wl_protocol_dir / 'staging/ext-image-copy-capture/ext-image-copy-capture-v1.xml',
'ext-session-lock-v1': wl_protocol_dir / 'staging/ext-session-lock/ext-session-lock-v1.xml', 'ext-session-lock-v1': wl_protocol_dir / 'staging/ext-session-lock/ext-session-lock-v1.xml',
'fractional-scale-v1': wl_protocol_dir / 'staging/fractional-scale/fractional-scale-v1.xml', 'fractional-scale-v1': wl_protocol_dir / 'staging/fractional-scale/fractional-scale-v1.xml',
'linux-drm-syncobj-v1': wl_protocol_dir / 'staging/linux-drm-syncobj/linux-drm-syncobj-v1.xml', 'linux-drm-syncobj-v1': wl_protocol_dir / 'staging/linux-drm-syncobj/linux-drm-syncobj-v1.xml',

1
types/meson.build
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@ -44,6 +44,7 @@ wlr_files += files(
'wlr_drm.c', 'wlr_drm.c',
'wlr_export_dmabuf_v1.c', 'wlr_export_dmabuf_v1.c',
'wlr_foreign_toplevel_management_v1.c', 'wlr_foreign_toplevel_management_v1.c',
'wlr_ext_image_copy_capture_v1.c',
'wlr_ext_foreign_toplevel_list_v1.c', 'wlr_ext_foreign_toplevel_list_v1.c',
'wlr_fullscreen_shell_v1.c', 'wlr_fullscreen_shell_v1.c',
'wlr_gamma_control_v1.c', 'wlr_gamma_control_v1.c',

588
types/wlr_ext_image_copy_capture_v1.c
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#include <assert.h>
#include <pixman.h>
#include <stdlib.h>
#include <wlr/interfaces/wlr_ext_image_capture_source_v1.h>
#include <wlr/types/wlr_buffer.h>
#include <wlr/types/wlr_ext_image_copy_capture_v1.h>
#include <wlr/types/wlr_seat.h>
#include <wlr/render/wlr_renderer.h>
#define IMAGE_COPY_CAPTURE_MANAGER_V1_VERSION 1
struct wlr_ext_image_copy_capture_session_v1 {
struct wl_resource *resource;
struct wlr_ext_image_capture_source_v1 *source;
struct wlr_ext_image_copy_capture_frame_v1 *frame;
struct wl_listener source_destroy;
struct wl_listener source_constraints_update;
struct wl_listener source_frame;
pixman_region32_t damage;
};
struct wlr_ext_image_copy_capture_cursor_session_v1 {
struct wl_resource *resource;
struct wlr_ext_image_capture_source_v1_cursor *source;
bool capture_session_created;
struct {
bool entered;
int32_t x, y;
struct {
int32_t x, y;
} hotspot;
} prev;
struct wl_listener source_destroy;
struct wl_listener source_update;
};
static const struct ext_image_copy_capture_frame_v1_interface frame_impl;
static const struct ext_image_copy_capture_session_v1_interface session_impl;
static const struct ext_image_copy_capture_cursor_session_v1_interface cursor_session_impl;
static struct wlr_ext_image_copy_capture_frame_v1 *frame_from_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource,
&ext_image_copy_capture_frame_v1_interface, &frame_impl));
return wl_resource_get_user_data(resource);
}
static struct wlr_ext_image_copy_capture_session_v1 *session_from_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource,
&ext_image_copy_capture_session_v1_interface, &session_impl));
return wl_resource_get_user_data(resource);
}
static struct wlr_ext_image_copy_capture_cursor_session_v1 *cursor_session_from_resource(
struct wl_resource *resource) {
assert(wl_resource_instance_of(resource,
&ext_image_copy_capture_cursor_session_v1_interface, &cursor_session_impl));
return wl_resource_get_user_data(resource);
}
static void frame_destroy(struct wlr_ext_image_copy_capture_frame_v1 *frame) {
if (frame == NULL) {
return;
}
wl_signal_emit_mutable(&frame->events.destroy, NULL);
wl_resource_set_user_data(frame->resource, NULL);
wlr_buffer_unlock(frame->buffer);
pixman_region32_fini(&frame->buffer_damage);
if (frame->session->frame == frame) {
frame->session->frame = NULL;
}
free(frame);
}
static void frame_handle_resource_destroy(struct wl_resource *resource) {
frame_destroy(wl_resource_get_user_data(resource));
}
void wlr_ext_image_copy_capture_frame_v1_ready(struct wlr_ext_image_copy_capture_frame_v1 *frame,
enum wl_output_transform transform,
const struct timespec *presentation_time) {
assert(frame->capturing);
int rects_len = 0;
const pixman_box32_t *rects =
pixman_region32_rectangles(&frame->session->damage, &rects_len);
for (int i = 0; i < rects_len; i++) {
const pixman_box32_t *rect = &rects[i];
ext_image_copy_capture_frame_v1_send_damage(frame->resource,
rect->x1, rect->y1, rect->x2 - rect->x1, rect->y2 - rect->y1);
}
ext_image_copy_capture_frame_v1_send_transform(frame->resource, transform);
ext_image_copy_capture_frame_v1_send_presentation_time(frame->resource,
presentation_time->tv_sec >> 32, presentation_time->tv_sec,
presentation_time->tv_nsec);
ext_image_copy_capture_frame_v1_send_ready(frame->resource);
frame_destroy(frame);
}
void wlr_ext_image_copy_capture_frame_v1_fail(struct wlr_ext_image_copy_capture_frame_v1 *frame,
enum ext_image_copy_capture_frame_v1_failure_reason reason) {
ext_image_copy_capture_frame_v1_send_failed(frame->resource, reason);
frame_destroy(frame);
}
static void frame_handle_destroy(struct wl_client *client,
struct wl_resource *frame_resource) {
wl_resource_destroy(frame_resource);
}
static void frame_handle_attach_buffer(struct wl_client *client,
struct wl_resource *frame_resource, struct wl_resource *buffer_resource) {
struct wlr_ext_image_copy_capture_frame_v1 *frame = frame_from_resource(frame_resource);
if (frame == NULL) {
return;
}
if (frame->capturing) {
wl_resource_post_error(frame->resource,
EXT_IMAGE_COPY_CAPTURE_FRAME_V1_ERROR_ALREADY_CAPTURED,
"attach_buffer sent after capture");
return;
}
struct wlr_buffer *buffer = wlr_buffer_try_from_resource(buffer_resource);
if (buffer == NULL) {
wl_resource_post_no_memory(frame_resource);
return;
}
wlr_buffer_unlock(frame->buffer);
frame->buffer = buffer;
}
static void frame_handle_damage_buffer(struct wl_client *client,
struct wl_resource *frame_resource, int32_t x, int32_t y,
int32_t width, int32_t height) {
struct wlr_ext_image_copy_capture_frame_v1 *frame = frame_from_resource(frame_resource);
if (frame == NULL) {
return;
}
if (frame->capturing) {
wl_resource_post_error(frame->resource,
EXT_IMAGE_COPY_CAPTURE_FRAME_V1_ERROR_ALREADY_CAPTURED,
"damage_buffer sent after capture");
return;
}
if (x < 0 || y < 0 || width <= 0 || height <= 0) {
wl_resource_post_error(frame->resource,
EXT_IMAGE_COPY_CAPTURE_FRAME_V1_ERROR_INVALID_BUFFER_DAMAGE,
"Invalid buffer damage coordinates");
return;
}
pixman_region32_union_rect(&frame->buffer_damage, &frame->buffer_damage,
x, y, width, height);
}
static void frame_handle_capture(struct wl_client *client,
struct wl_resource *frame_resource) {
struct wlr_ext_image_copy_capture_frame_v1 *frame = frame_from_resource(frame_resource);
if (frame == NULL) {
return;
}
if (frame->capturing) {
wl_resource_post_error(frame->resource,
EXT_IMAGE_COPY_CAPTURE_FRAME_V1_ERROR_ALREADY_CAPTURED,
"capture sent twice");
return;
}
if (frame->buffer == NULL) {
wl_resource_post_error(frame->resource,
EXT_IMAGE_COPY_CAPTURE_FRAME_V1_ERROR_NO_BUFFER,
"No buffer attached");
return;
}
frame->capturing = true;
bool need_frame = pixman_region32_not_empty(&frame->session->damage);
struct wlr_ext_image_capture_source_v1 *source = frame->session->source;
if (need_frame && source->impl->schedule_frame) {
source->impl->schedule_frame(source);
}
}
static const struct ext_image_copy_capture_frame_v1_interface frame_impl = {
.destroy = frame_handle_destroy,
.attach_buffer = frame_handle_attach_buffer,
.damage_buffer = frame_handle_damage_buffer,
.capture = frame_handle_capture,
};
static void session_handle_destroy(struct wl_client *client,
struct wl_resource *session_resource) {
wl_resource_destroy(session_resource);
}
static void session_handle_create_frame(struct wl_client *client,
struct wl_resource *session_resource, uint32_t new_id) {
struct wlr_ext_image_copy_capture_session_v1 *session = session_from_resource(session_resource);
if (session->frame != NULL) {
wl_resource_post_error(session_resource,
EXT_IMAGE_COPY_CAPTURE_SESSION_V1_ERROR_DUPLICATE_FRAME,
"session already has a frame object");
return;
}
uint32_t version = wl_resource_get_version(session_resource);
struct wl_resource *frame_resource = wl_resource_create(client,
&ext_image_copy_capture_frame_v1_interface, version, new_id);
if (frame_resource == NULL) {
wl_resource_post_no_memory(frame_resource);
return;
}
wl_resource_set_implementation(frame_resource, &frame_impl, NULL,
frame_handle_resource_destroy);
if (session == NULL) {
ext_image_copy_capture_frame_v1_send_failed(frame_resource,
EXT_IMAGE_COPY_CAPTURE_FRAME_V1_FAILURE_REASON_STOPPED);
return;
}
struct wlr_ext_image_copy_capture_frame_v1 *frame = calloc(1, sizeof(*frame));
if (frame == NULL) {
wl_resource_post_no_memory(session_resource);
return;
}
frame->resource = frame_resource;
frame->session = session;
pixman_region32_init(&frame->buffer_damage);
wl_signal_init(&frame->events.destroy);
wl_resource_set_user_data(frame_resource, frame);
session->frame = frame;
}
static const struct ext_image_copy_capture_session_v1_interface session_impl = {
.destroy = session_handle_destroy,
.create_frame = session_handle_create_frame,
};
static void session_send_constraints(struct wlr_ext_image_copy_capture_session_v1 *session) {
struct wlr_ext_image_capture_source_v1 *source = session->source;
ext_image_copy_capture_session_v1_send_buffer_size(session->resource,
source->width, source->height);
for (size_t i = 0; i < source->shm_formats_len; i++) {
ext_image_copy_capture_session_v1_send_shm_format(session->resource,
source->shm_formats[i]);
}
if (source->dmabuf_formats.len > 0) {
struct wl_array dev_id_array = {
.data = &source->dmabuf_device,
.size = sizeof(source->dmabuf_device),
};
ext_image_copy_capture_session_v1_send_dmabuf_device(session->resource,
&dev_id_array);
}
for (size_t i = 0; i < source->dmabuf_formats.len; i++) {
struct wlr_drm_format *fmt = &source->dmabuf_formats.formats[i];
struct wl_array modifiers_array = {
.data = fmt->modifiers,
.size = fmt->len * sizeof(fmt->modifiers[0]),
};
ext_image_copy_capture_session_v1_send_dmabuf_format(session->resource,
fmt->format, &modifiers_array);
}
ext_image_copy_capture_session_v1_send_done(session->resource);
}
static void session_destroy(struct wlr_ext_image_copy_capture_session_v1 *session) {
if (session == NULL) {
return;
}
if (session->frame != NULL) {
wlr_ext_image_copy_capture_frame_v1_fail(session->frame,
EXT_IMAGE_COPY_CAPTURE_FRAME_V1_FAILURE_REASON_STOPPED);
}
ext_image_copy_capture_session_v1_send_stopped(session->resource);
wl_resource_set_user_data(session->resource, NULL);
pixman_region32_fini(&session->damage);
wl_list_remove(&session->source_destroy.link);
wl_list_remove(&session->source_constraints_update.link);
wl_list_remove(&session->source_frame.link);
free(session);
}
static void session_handle_source_destroy(struct wl_listener *listener, void *data) {
struct wlr_ext_image_copy_capture_session_v1 *session = wl_container_of(listener, session, source_destroy);
session_destroy(session);
}
static void session_handle_source_constraints_update(struct wl_listener *listener,
void *data) {
struct wlr_ext_image_copy_capture_session_v1 *session =
wl_container_of(listener, session, source_constraints_update);
session_send_constraints(session);
}
static void session_handle_source_frame(struct wl_listener *listener, void *data) {
struct wlr_ext_image_copy_capture_session_v1 *session = wl_container_of(listener, session, source_frame);
struct wlr_ext_image_capture_source_v1_frame_event *event = data;
pixman_region32_union(&session->damage, &session->damage, event->damage);
struct wlr_ext_image_copy_capture_frame_v1 *frame = session->frame;
if (frame != NULL && frame->capturing &&
pixman_region32_not_empty(&session->damage)) {
pixman_region32_union(&frame->buffer_damage,
&frame->buffer_damage, &session->damage);
struct wlr_ext_image_capture_source_v1 *source = frame->session->source;
source->impl->copy_frame(source, frame, event);
// TODO: don't clear on copy error
pixman_region32_clear(&session->damage);
}
}
static void session_handle_resource_destroy(struct wl_resource *resource) {
session_destroy(session_from_resource(resource));
}
static void session_create(struct wl_resource *parent_resource, uint32_t new_id,
struct wlr_ext_image_capture_source_v1 *source, uint32_t options) {
struct wl_client *client = wl_resource_get_client(parent_resource);
uint32_t version = wl_resource_get_version(parent_resource);
struct wl_resource *session_resource = wl_resource_create(client,
&ext_image_copy_capture_session_v1_interface, version, new_id);
if (session_resource == NULL) {
wl_resource_post_no_memory(parent_resource);
return;
}
wl_resource_set_implementation(session_resource, &session_impl, NULL,
session_handle_resource_destroy);
if (source == NULL) {
ext_image_copy_capture_session_v1_send_stopped(session_resource);
return;
}
struct wlr_ext_image_copy_capture_session_v1 *session = calloc(1, sizeof(*session));
if (session == NULL) {
wl_resource_post_no_memory(parent_resource);
return;
}
session->resource = session_resource;
session->source = source;
pixman_region32_init_rect(&session->damage, 0, 0, source->width,
source->height);
session->source_destroy.notify = session_handle_source_destroy;
wl_signal_add(&source->events.destroy, &session->source_destroy);
session->source_constraints_update.notify = session_handle_source_constraints_update;
wl_signal_add(&source->events.constraints_update, &session->source_constraints_update);
session->source_frame.notify = session_handle_source_frame;
wl_signal_add(&source->events.frame, &session->source_frame);
wl_resource_set_user_data(session_resource, session);
session_send_constraints(session);
}
static void cursor_session_destroy(struct wlr_ext_image_copy_capture_cursor_session_v1 *cursor_session) {
if (cursor_session == NULL) {
return;
}
if (cursor_session->source->entered) {
ext_image_copy_capture_cursor_session_v1_send_leave(cursor_session->resource);
}
wl_resource_set_user_data(cursor_session->resource, NULL);
wl_list_remove(&cursor_session->source_destroy.link);
wl_list_remove(&cursor_session->source_update.link);
free(cursor_session);
}
static void cursor_session_handle_destroy(struct wl_client *client,
struct wl_resource *cursor_session_resource) {
wl_resource_destroy(cursor_session_resource);
}
static void cursor_session_handle_get_capture_session(struct wl_client *client,
struct wl_resource *cursor_session_resource, uint32_t new_id) {
struct wlr_ext_image_copy_capture_cursor_session_v1 *cursor_session =
cursor_session_from_resource(cursor_session_resource);
if (cursor_session != NULL && cursor_session->capture_session_created) {
wl_resource_post_error(cursor_session_resource,
EXT_IMAGE_COPY_CAPTURE_CURSOR_SESSION_V1_ERROR_DUPLICATE_SESSION,
"get_capture_session sent twice");
return;
}
struct wlr_ext_image_capture_source_v1 *source = NULL;
if (cursor_session != NULL) {
source = &cursor_session->source->base;
}
session_create(cursor_session_resource, new_id, source, 0);
}
static const struct ext_image_copy_capture_cursor_session_v1_interface cursor_session_impl = {
.destroy = cursor_session_handle_destroy,
.get_capture_session = cursor_session_handle_get_capture_session,
};
static void cursor_session_handle_resource_destroy(struct wl_resource *resource) {
struct wlr_ext_image_copy_capture_cursor_session_v1 *cursor_session =
cursor_session_from_resource(resource);
cursor_session_destroy(cursor_session);
}
static void cursor_session_handle_source_destroy(struct wl_listener *listener,
void *data) {
struct wlr_ext_image_copy_capture_cursor_session_v1 *cursor_session =
wl_container_of(listener, cursor_session, source_destroy);
cursor_session_destroy(cursor_session);
}
static void cursor_session_update(
struct wlr_ext_image_copy_capture_cursor_session_v1 *cursor_session) {
struct wlr_ext_image_capture_source_v1_cursor *cursor_source = cursor_session->source;
if (cursor_source->entered && !cursor_session->prev.entered) {
ext_image_copy_capture_cursor_session_v1_send_enter(cursor_session->resource);
}
if (!cursor_source->entered && cursor_session->prev.entered) {
ext_image_copy_capture_cursor_session_v1_send_leave(cursor_session->resource);
}
if (cursor_source->x != cursor_session->prev.x ||
cursor_source->y != cursor_session->prev.y) {
ext_image_copy_capture_cursor_session_v1_send_position(cursor_session->resource,
cursor_source->x, cursor_source->y);
}
if (cursor_source->hotspot.x != cursor_session->prev.hotspot.x ||
cursor_source->hotspot.y != cursor_session->prev.hotspot.y) {
ext_image_copy_capture_cursor_session_v1_send_hotspot(cursor_session->resource,
cursor_source->hotspot.x, cursor_source->hotspot.y);
}
cursor_session->prev.entered = cursor_source->entered;
cursor_session->prev.x = cursor_source->x;
cursor_session->prev.y = cursor_source->y;
cursor_session->prev.hotspot.y = cursor_source->hotspot.y;
cursor_session->prev.hotspot.y = cursor_source->hotspot.y;
}
static void cursor_session_handle_source_update(struct wl_listener *listener,
void *data) {
struct wlr_ext_image_copy_capture_cursor_session_v1 *cursor_session =
wl_container_of(listener, cursor_session, source_update);
cursor_session_update(cursor_session);
}
static void manager_handle_create_session(struct wl_client *client,
struct wl_resource *manager_resource, uint32_t new_id,
struct wl_resource *source_resource, uint32_t options) {
struct wlr_ext_image_capture_source_v1 *source =
wlr_ext_image_capture_source_v1_from_resource(source_resource);
session_create(manager_resource, new_id, source, options);
}
static void manager_handle_create_pointer_cursor_session(struct wl_client *client,
struct wl_resource *manager_resource, uint32_t new_id,
struct wl_resource *source_resource, struct wl_resource *pointer_resource) {
struct wlr_ext_image_capture_source_v1 *source = wlr_ext_image_capture_source_v1_from_resource(source_resource);
struct wlr_seat_client *seat_client = wlr_seat_client_from_pointer_resource(pointer_resource);
struct wlr_seat *seat = NULL;
if (seat_client != NULL) {
seat = seat_client->seat;
}
struct wlr_ext_image_capture_source_v1_cursor *source_cursor = NULL;
if (source != NULL && seat != NULL && source->impl->get_pointer_cursor) {
source_cursor = source->impl->get_pointer_cursor(source, seat);
}
uint32_t version = wl_resource_get_version(manager_resource);
struct wl_resource *cursor_session_resource = wl_resource_create(client,
&ext_image_copy_capture_cursor_session_v1_interface, version, new_id);
if (cursor_session_resource == NULL) {
wl_resource_post_no_memory(manager_resource);
return;
}
wl_resource_set_implementation(cursor_session_resource, &cursor_session_impl, NULL,
cursor_session_handle_resource_destroy);
if (source_cursor == NULL) {
return; // leave inert
}
struct wlr_ext_image_copy_capture_cursor_session_v1 *cursor_session = calloc(1, sizeof(*cursor_session));
if (cursor_session == NULL) {
wl_resource_post_no_memory(manager_resource);
return;
}
cursor_session->resource = cursor_session_resource;
cursor_session->source = source_cursor;
cursor_session->source_destroy.notify = cursor_session_handle_source_destroy;
wl_signal_add(&source_cursor->base.events.destroy, &cursor_session->source_destroy);
cursor_session->source_update.notify = cursor_session_handle_source_update;
wl_signal_add(&source_cursor->events.update, &cursor_session->source_update);
wl_resource_set_user_data(cursor_session_resource, cursor_session);
cursor_session_update(cursor_session);
}
static void manager_handle_destroy(struct wl_client *client,
struct wl_resource *manager_resource) {
wl_resource_destroy(manager_resource);
}
static const struct ext_image_copy_capture_manager_v1_interface manager_impl = {
.create_session = manager_handle_create_session,
.create_pointer_cursor_session = manager_handle_create_pointer_cursor_session,
.destroy = manager_handle_destroy,
};
static void manager_bind(struct wl_client *client, void *data,
uint32_t version, uint32_t id) {
struct wl_resource *resource = wl_resource_create(client,
&ext_image_copy_capture_manager_v1_interface, version, id);
if (!resource) {
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(resource, &manager_impl, NULL, NULL);
}
static void manager_handle_display_destroy(struct wl_listener *listener, void *data) {
struct wlr_ext_image_copy_capture_manager_v1 *manager =
wl_container_of(listener, manager, display_destroy);
wl_list_remove(&manager->display_destroy.link);
wl_global_destroy(manager->global);
free(manager);
}
struct wlr_ext_image_copy_capture_manager_v1 *wlr_ext_image_copy_capture_manager_v1_create(
struct wl_display *display, uint32_t version) {
assert(version <= IMAGE_COPY_CAPTURE_MANAGER_V1_VERSION);
struct wlr_ext_image_copy_capture_manager_v1 *manager = calloc(1, sizeof(*manager));
if (manager == NULL) {
return NULL;
}
manager->global = wl_global_create(display,
&ext_image_copy_capture_manager_v1_interface, version, manager, manager_bind);
if (manager->global == NULL) {
free(manager);
return NULL;
}
manager->display_destroy.notify = manager_handle_display_destroy;
wl_display_add_destroy_listener(display, &manager->display_destroy);
return manager;
}
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