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ext-image-capture-source-v1: add output source
This commit is contained in:
Simon Ser
parent
855b3fd607
commit
08e14deeca
3 changed files with 213 additions and 0 deletions
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@ -68,6 +68,17 @@ struct wlr_ext_image_capture_source_v1_cursor {
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} events;
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};
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/**
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* Interface exposing one screen capture source per output.
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*/
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struct wlr_ext_output_image_capture_source_manager_v1 {
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struct wl_global *global;
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struct {
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struct wl_listener display_destroy;
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} WLR_PRIVATE;
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};
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/**
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* Obtain a struct wlr_ext_image_capture_source_v1 from an ext_image_capture_source_v1
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* resource.
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@ -77,4 +88,7 @@ struct wlr_ext_image_capture_source_v1_cursor {
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*/
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struct wlr_ext_image_capture_source_v1 *wlr_ext_image_capture_source_v1_from_resource(struct wl_resource *resource);
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struct wlr_ext_output_image_capture_source_manager_v1 *wlr_ext_output_image_capture_source_manager_v1_create(
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struct wl_display *display, uint32_t version);
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#endif
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198
types/ext_image_capture_source_v1/output.c
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198
types/ext_image_capture_source_v1/output.c
Normal file
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@ -0,0 +1,198 @@
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#include <assert.h>
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#include <stdlib.h>
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#include <wlr/interfaces/wlr_ext_image_capture_source_v1.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/types/wlr_ext_image_capture_source_v1.h>
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#include <wlr/types/wlr_ext_image_copy_capture_v1.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/util/addon.h>
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#include "render/wlr_renderer.h"
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#include "ext-image-capture-source-v1-protocol.h"
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#define OUTPUT_IMAGE_SOURCE_MANAGER_V1_VERSION 1
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struct wlr_ext_output_image_capture_source_v1 {
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struct wlr_ext_image_capture_source_v1 base;
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struct wlr_addon addon;
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struct wlr_output *output;
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struct wl_listener output_commit;
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};
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struct wlr_ext_output_image_capture_source_v1_frame_event {
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struct wlr_ext_image_capture_source_v1_frame_event base;
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struct wlr_buffer *buffer;
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struct timespec *when;
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};
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static void output_source_schedule_frame(struct wlr_ext_image_capture_source_v1 *base) {
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struct wlr_ext_output_image_capture_source_v1 *source = wl_container_of(base, source, base);
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wlr_output_update_needs_frame(source->output);
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}
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static void output_source_copy_frame(struct wlr_ext_image_capture_source_v1 *base,
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struct wlr_ext_image_copy_capture_frame_v1 *frame,
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struct wlr_ext_image_capture_source_v1_frame_event *base_event) {
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struct wlr_ext_output_image_capture_source_v1 *source = wl_container_of(base, source, base);
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struct wlr_ext_output_image_capture_source_v1_frame_event *event =
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wl_container_of(base_event, event, base);
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if (wlr_ext_image_copy_capture_frame_v1_copy_buffer(frame,
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event->buffer, source->output->renderer)) {
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wlr_ext_image_copy_capture_frame_v1_ready(frame,
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source->output->transform, event->when);
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}
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}
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static const struct wlr_ext_image_capture_source_v1_interface output_source_impl = {
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.schedule_frame = output_source_schedule_frame,
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.copy_frame = output_source_copy_frame,
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};
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static void source_update_buffer_constraints(struct wlr_ext_output_image_capture_source_v1 *source) {
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struct wlr_output *output = source->output;
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if (!wlr_output_configure_primary_swapchain(output, NULL, &output->swapchain)) {
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return;
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}
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wlr_ext_image_capture_source_v1_set_constraints_from_swapchain(&source->base,
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output->swapchain, output->renderer);
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}
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static void source_handle_output_commit(struct wl_listener *listener,
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void *data) {
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struct wlr_ext_output_image_capture_source_v1 *source = wl_container_of(listener, source, output_commit);
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struct wlr_output_event_commit *event = data;
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if (event->state->committed & (WLR_OUTPUT_STATE_MODE | WLR_OUTPUT_STATE_RENDER_FORMAT)) {
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source_update_buffer_constraints(source);
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}
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if (event->state->committed & WLR_OUTPUT_STATE_BUFFER) {
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struct wlr_buffer *buffer = event->state->buffer;
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pixman_region32_t full_damage;
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pixman_region32_init_rect(&full_damage, 0, 0, buffer->width, buffer->height);
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const pixman_region32_t *damage;
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if (event->state->committed & WLR_OUTPUT_STATE_DAMAGE) {
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damage = &event->state->damage;
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} else {
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damage = &full_damage;
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}
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struct wlr_ext_output_image_capture_source_v1_frame_event frame_event = {
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.base = {
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.damage = damage,
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},
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.buffer = buffer,
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.when = event->when, // TODO: predict next presentation time instead
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};
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wl_signal_emit_mutable(&source->base.events.frame, &frame_event);
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pixman_region32_fini(&full_damage);
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}
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}
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static void output_addon_destroy(struct wlr_addon *addon) {
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struct wlr_ext_output_image_capture_source_v1 *source = wl_container_of(addon, source, addon);
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wlr_ext_image_capture_source_v1_finish(&source->base);
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wl_list_remove(&source->output_commit.link);
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wlr_addon_finish(&source->addon);
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free(source);
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}
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static const struct wlr_addon_interface output_addon_impl = {
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.name = "wlr_ext_output_image_capture_source_v1",
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.destroy = output_addon_destroy,
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};
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static void output_manager_handle_create_source(struct wl_client *client,
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struct wl_resource *manager_resource, uint32_t new_id,
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struct wl_resource *output_resource) {
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struct wlr_output *output = wlr_output_from_resource(output_resource);
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if (output == NULL) {
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wlr_ext_image_capture_source_v1_create_resource(NULL, client, new_id);
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return;
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}
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struct wlr_ext_output_image_capture_source_v1 *source;
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struct wlr_addon *addon = wlr_addon_find(&output->addons, NULL, &output_addon_impl);
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if (addon != NULL) {
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source = wl_container_of(addon, source, addon);
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} else {
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source = calloc(1, sizeof(*source));
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if (source == NULL) {
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wl_resource_post_no_memory(manager_resource);
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return;
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}
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wlr_ext_image_capture_source_v1_init(&source->base, &output_source_impl);
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wlr_addon_init(&source->addon, &output->addons, NULL, &output_addon_impl);
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source->output = output;
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source->output_commit.notify = source_handle_output_commit;
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wl_signal_add(&output->events.commit, &source->output_commit);
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source_update_buffer_constraints(source);
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}
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if (!wlr_ext_image_capture_source_v1_create_resource(&source->base, client, new_id)) {
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return;
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}
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}
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static void output_manager_handle_destroy(struct wl_client *client,
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struct wl_resource *manager_resource) {
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wl_resource_destroy(manager_resource);
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}
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static const struct ext_output_image_capture_source_manager_v1_interface output_manager_impl = {
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.create_source = output_manager_handle_create_source,
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.destroy = output_manager_handle_destroy,
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};
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static void output_manager_bind(struct wl_client *client, void *data,
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uint32_t version, uint32_t id) {
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struct wlr_ext_output_image_capture_source_manager_v1 *manager = data;
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struct wl_resource *resource = wl_resource_create(client,
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&ext_output_image_capture_source_manager_v1_interface, version, id);
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if (!resource) {
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wl_client_post_no_memory(client);
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return;
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}
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wl_resource_set_implementation(resource, &output_manager_impl, manager, NULL);
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}
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static void output_manager_handle_display_destroy(struct wl_listener *listener, void *data) {
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struct wlr_ext_output_image_capture_source_manager_v1 *manager =
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wl_container_of(listener, manager, display_destroy);
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wl_list_remove(&manager->display_destroy.link);
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wl_global_destroy(manager->global);
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free(manager);
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}
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struct wlr_ext_output_image_capture_source_manager_v1 *wlr_ext_output_image_capture_source_manager_v1_create(
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struct wl_display *display, uint32_t version) {
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assert(version <= OUTPUT_IMAGE_SOURCE_MANAGER_V1_VERSION);
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struct wlr_ext_output_image_capture_source_manager_v1 *manager = calloc(1, sizeof(*manager));
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if (manager == NULL) {
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return NULL;
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}
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manager->global = wl_global_create(display,
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&ext_output_image_capture_source_manager_v1_interface, version, manager, output_manager_bind);
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if (manager->global == NULL) {
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free(manager);
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return NULL;
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}
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manager->display_destroy.notify = output_manager_handle_display_destroy;
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wl_display_add_destroy_listener(display, &manager->display_destroy);
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return manager;
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}
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@ -4,6 +4,7 @@ wlr_files += files(
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'data_device/wlr_data_source.c',
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'data_device/wlr_drag.c',
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'ext_image_capture_source_v1/base.c',
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'ext_image_capture_source_v1/output.c',
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'output/cursor.c',
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'output/output.c',
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'output/render.c',
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