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ext-image-capture-source-v1: add output cursor source

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master
Simon Ser 8 months ago
parent 5507770194
commit 1b0bcf8f76
1 changed files with 154 additions and 0 deletions
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154
types/ext_image_capture_source_v1/output.c
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@ -2,6 +2,7 @@
#include <stdlib.h>
#include <wlr/interfaces/wlr_ext_image_capture_source_v1.h>
#include <wlr/interfaces/wlr_output.h>
#include <wlr/render/swapchain.h>
#include <wlr/types/wlr_ext_image_capture_source_v1.h>
#include <wlr/types/wlr_ext_image_copy_capture_v1.h>
#include <wlr/types/wlr_output.h>
@ -11,6 +12,17 @@
#define OUTPUT_IMAGE_SOURCE_MANAGER_V1_VERSION 1
struct output_cursor_source {
struct wlr_ext_image_capture_source_v1_cursor base;
struct wlr_output *output;
struct wlr_buffer *prev_buffer;
bool initialized;
struct wl_listener output_commit;
struct wl_listener prev_buffer_release;
};
struct wlr_ext_output_image_capture_source_v1 {
struct wlr_ext_image_capture_source_v1 base;
struct wlr_addon addon;
@ -18,6 +30,8 @@ struct wlr_ext_output_image_capture_source_v1 {
struct wlr_output *output;
struct wl_listener output_commit;
struct output_cursor_source cursor;
};
struct wlr_ext_output_image_capture_source_v1_frame_event {
@ -45,9 +59,17 @@ static void output_source_copy_frame(struct wlr_ext_image_capture_source_v1 *bas
}
}
static struct wlr_ext_image_capture_source_v1_cursor *output_source_get_pointer_cursor(
struct wlr_ext_image_capture_source_v1 *base, struct wlr_seat *seat) {
// TODO: handle seat
struct wlr_ext_output_image_capture_source_v1 *source = wl_container_of(base, source, base);
return &source->cursor.base;
}
static const struct wlr_ext_image_capture_source_v1_interface output_source_impl = {
.schedule_frame = output_source_schedule_frame,
.copy_frame = output_source_copy_frame,
.get_pointer_cursor = output_source_get_pointer_cursor,
};
static void source_update_buffer_constraints(struct wlr_ext_output_image_capture_source_v1 *source) {
@ -96,9 +118,14 @@ static void source_handle_output_commit(struct wl_listener *listener,
}
}
static void output_cursor_source_init(struct output_cursor_source *cursor_source,
struct wlr_output *output);
static void output_cursor_source_finish(struct output_cursor_source *cursor_source);
static void output_addon_destroy(struct wlr_addon *addon) {
struct wlr_ext_output_image_capture_source_v1 *source = wl_container_of(addon, source, addon);
wlr_ext_image_capture_source_v1_finish(&source->base);
output_cursor_source_finish(&source->cursor);
wl_list_remove(&source->output_commit.link);
wlr_addon_finish(&source->addon);
free(source);
@ -137,6 +164,8 @@ static void output_manager_handle_create_source(struct wl_client *client,
wl_signal_add(&output->events.commit, &source->output_commit);
source_update_buffer_constraints(source);
output_cursor_source_init(&source->cursor, output);
}
if (!wlr_ext_image_capture_source_v1_create_resource(&source->base, client, new_id)) {
@ -196,3 +225,128 @@ struct wlr_ext_output_image_capture_source_manager_v1 *wlr_ext_output_image_capt
return manager;
}
static void output_cursor_source_schedule_frame(struct wlr_ext_image_capture_source_v1 *base) {
struct output_cursor_source *cursor_source = wl_container_of(base, cursor_source, base);
wlr_output_update_needs_frame(cursor_source->output);
}
static void output_cursor_source_copy_frame(struct wlr_ext_image_capture_source_v1 *base,
struct wlr_ext_image_copy_capture_frame_v1 *frame,
struct wlr_ext_image_capture_source_v1_frame_event *base_event) {
struct output_cursor_source *cursor_source = wl_container_of(base, cursor_source, base);
struct wlr_buffer *src_buffer = cursor_source->output->cursor_front_buffer;
if (src_buffer == NULL) {
wlr_ext_image_copy_capture_frame_v1_fail(frame, EXT_IMAGE_COPY_CAPTURE_FRAME_V1_FAILURE_REASON_STOPPED);
return;
}
if (!wlr_ext_image_copy_capture_frame_v1_copy_buffer(frame,
src_buffer, cursor_source->output->renderer)) {
return;
}
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
wlr_ext_image_copy_capture_frame_v1_ready(frame, WL_OUTPUT_TRANSFORM_NORMAL, &now);
}
static const struct wlr_ext_image_capture_source_v1_interface output_cursor_source_impl = {
.schedule_frame = output_cursor_source_schedule_frame,
.copy_frame = output_cursor_source_copy_frame,
};
static void output_cursor_source_update(struct output_cursor_source *cursor_source) {
struct wlr_output *output = cursor_source->output;
if (output->cursor_swapchain != NULL && !cursor_source->initialized) {
wlr_ext_image_capture_source_v1_set_constraints_from_swapchain(&cursor_source->base.base,
output->cursor_swapchain, output->renderer);
cursor_source->initialized = true;
}
struct wlr_output_cursor *output_cursor = output->hardware_cursor;
if (output_cursor == NULL || !output_cursor->visible) {
cursor_source->base.entered = false;
wl_signal_emit_mutable(&cursor_source->base.events.update, NULL);
return;
}
if (output->cursor_swapchain != NULL &&
((int)cursor_source->base.base.width != output->cursor_swapchain->width ||
(int)cursor_source->base.base.height != output->cursor_swapchain->height)) {
cursor_source->base.base.width = output->cursor_swapchain->width;
cursor_source->base.base.height = output->cursor_swapchain->height;
wl_signal_emit_mutable(&cursor_source->base.base.events.constraints_update, NULL);
}
cursor_source->base.entered = true;
cursor_source->base.x = round(output_cursor->x);
cursor_source->base.y = round(output_cursor->y);
cursor_source->base.hotspot.x = output_cursor->hotspot_x;
cursor_source->base.hotspot.y = output_cursor->hotspot_y;
wl_signal_emit_mutable(&cursor_source->base.events.update, NULL);
}
static void output_cursor_source_handle_prev_buffer_release(struct wl_listener *listener,
void *data) {
struct output_cursor_source *cursor_source = wl_container_of(listener, cursor_source, prev_buffer_release);
wl_list_remove(&cursor_source->prev_buffer_release.link);
wl_list_init(&cursor_source->prev_buffer_release.link);
cursor_source->prev_buffer = NULL;
}
static void output_cursor_source_handle_output_commit(struct wl_listener *listener,
void *data) {
struct output_cursor_source *cursor_source = wl_container_of(listener, cursor_source, output_commit);
struct wlr_output_event_commit *event = data;
output_cursor_source_update(cursor_source);
struct wlr_buffer *buffer = cursor_source->output->cursor_front_buffer;
if (buffer != NULL && buffer != cursor_source->prev_buffer) {
pixman_region32_t full_damage;
pixman_region32_init_rect(&full_damage, 0, 0, buffer->width, buffer->height);
struct wlr_ext_output_image_capture_source_v1_frame_event frame_event = {
.base = {
.damage = &full_damage,
},
.buffer = buffer,
.when = event->when, // TODO: predict next presentation time instead
};
wl_signal_emit_mutable(&cursor_source->base.base.events.frame, &frame_event);
pixman_region32_fini(&full_damage);
assert(buffer->n_locks > 0);
cursor_source->prev_buffer = buffer;
wl_list_remove(&cursor_source->prev_buffer_release.link);
cursor_source->prev_buffer_release.notify = output_cursor_source_handle_prev_buffer_release;
wl_signal_add(&buffer->events.release, &cursor_source->prev_buffer_release);
}
}
static void output_cursor_source_init(struct output_cursor_source *cursor_source,
struct wlr_output *output) {
wlr_ext_image_capture_source_v1_cursor_init(&cursor_source->base, &output_cursor_source_impl);
// Caller is responsible for destroying the output cursor source when the
// output is destroyed
cursor_source->output = output;
cursor_source->output_commit.notify = output_cursor_source_handle_output_commit;
wl_signal_add(&output->events.commit, &cursor_source->output_commit);
wl_list_init(&cursor_source->prev_buffer_release.link);
output_cursor_source_update(cursor_source);
}
static void output_cursor_source_finish(struct output_cursor_source *cursor_source) {
wlr_ext_image_capture_source_v1_cursor_finish(&cursor_source->base);
wl_list_remove(&cursor_source->output_commit.link);
wl_list_remove(&cursor_source->prev_buffer_release.link);
}

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