output: add wlr_output_set_hardware_cursors_enabled
And use it in screencopy.
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9288c827aa
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@ -107,6 +107,7 @@ struct wlr_output {
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struct wl_list cursors; // wlr_output_cursor::link
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struct wlr_output_cursor *hardware_cursor;
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int software_cursor_locks; // number of locks forcing software cursors
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// the output position in layout space reported to clients
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int32_t lx, ly;
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@ -196,6 +197,14 @@ bool wlr_output_export_dmabuf(struct wlr_output *output,
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void wlr_output_set_fullscreen_surface(struct wlr_output *output,
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struct wlr_surface *surface);
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struct wlr_output *wlr_output_from_resource(struct wl_resource *resource);
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/**
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* Locks the output to only use software cursors instead of hardware cursors.
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* This is useful if hardware cursors need to be temporarily disabled (e.g.
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* during screen capture). There must be as many unlocks as there have been
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* locks to restore the original state. There should never be an unlock before
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* a lock.
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*/
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void wlr_output_lock_software_cursors(struct wlr_output *output, bool lock);
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struct wlr_output_cursor *wlr_output_cursor_create(struct wlr_output *output);
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@ -9,6 +9,7 @@
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#ifndef WLR_TYPES_WLR_SCREENCOPY_V1_H
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#define WLR_TYPES_WLR_SCREENCOPY_V1_H
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#include <stdbool.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_box.h>
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@ -35,6 +36,8 @@ struct wlr_screencopy_frame_v1 {
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struct wlr_box box;
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int stride;
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bool overlay_cursor, cursor_locked;
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struct wl_shm_buffer *buffer;
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struct wl_listener buffer_destroy;
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@ -273,6 +273,13 @@ void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
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wl_signal_init(&output->events.destroy);
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pixman_region32_init(&output->damage);
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const char *no_hardware_cursors = getenv("WLR_NO_HARDWARE_CURSORS");
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if (no_hardware_cursors != NULL && strcmp(no_hardware_cursors, "1") == 0) {
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wlr_log(WLR_DEBUG,
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"WLR_NO_HARDWARE_CURSORS set, forcing software cursors");
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output->software_cursor_locks = 1;
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}
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output->display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &output->display_destroy);
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@ -469,13 +476,6 @@ bool wlr_output_swap_buffers(struct wlr_output *output, struct timespec *when,
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output->idle_frame = NULL;
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}
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struct wlr_output_event_swap_buffers event = {
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.output = output,
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.when = when,
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.damage = damage,
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};
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wlr_signal_emit_safe(&output->events.swap_buffers, &event);
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int width, height;
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wlr_output_transformed_resolution(output, &width, &height);
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@ -510,6 +510,13 @@ bool wlr_output_swap_buffers(struct wlr_output *output, struct timespec *when,
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}
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}
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struct wlr_output_event_swap_buffers event = {
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.output = output,
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.when = when,
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.damage = damage,
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};
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wlr_signal_emit_safe(&output->events.swap_buffers, &event);
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// Transform damage into renderer coordinates, ie. upside down
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enum wl_output_transform transform = wlr_output_transform_compose(
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wlr_output_transform_invert(output->transform),
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@ -666,6 +673,32 @@ struct wlr_output *wlr_output_from_resource(struct wl_resource *resource) {
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return wl_resource_get_user_data(resource);
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}
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static void output_cursor_damage_whole(struct wlr_output_cursor *cursor);
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void wlr_output_lock_software_cursors(struct wlr_output *output, bool lock) {
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if (lock) {
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++output->software_cursor_locks;
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} else {
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assert(output->software_cursor_locks > 0);
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--output->software_cursor_locks;
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}
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wlr_log(WLR_DEBUG, "%s hardware cursors on output '%s' (locks: %d)",
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lock ? "Disabling" : "Enabling", output->name,
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output->software_cursor_locks);
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if (output->software_cursor_locks > 0 && output->hardware_cursor != NULL) {
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assert(output->impl->set_cursor);
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output->impl->set_cursor(output, NULL, 1,
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WL_OUTPUT_TRANSFORM_NORMAL, 0, 0, true);
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output_cursor_damage_whole(output->hardware_cursor);
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output->hardware_cursor = NULL;
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}
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// If it's possible to use hardware cursors again, don't switch immediately
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// since a recorder is likely to lock software cursors for the next frame
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// again.
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}
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static void output_cursor_damage_whole(struct wlr_output_cursor *cursor) {
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struct wlr_box box;
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@ -721,10 +754,7 @@ static bool output_cursor_attempt_hardware(struct wlr_output_cursor *cursor) {
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transform = cursor->surface->current.transform;
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}
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const char *no_hardware_cursors = getenv("WLR_NO_HARDWARE_CURSORS");
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if (no_hardware_cursors != NULL && strcmp(no_hardware_cursors, "1") == 0) {
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wlr_log(WLR_DEBUG,
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"WLR_NO_HARDWARE_CURSORS set, forcing software cursors");
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if (cursor->output->software_cursor_locks > 0) {
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return false;
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}
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@ -22,6 +22,9 @@ static void frame_destroy(struct wlr_screencopy_frame_v1 *frame) {
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if (frame == NULL) {
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return;
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}
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if (frame->cursor_locked) {
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wlr_output_lock_software_cursors(frame->output, false);
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}
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wl_list_remove(&frame->link);
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wl_list_remove(&frame->output_swap_buffers.link);
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wl_list_remove(&frame->buffer_destroy.link);
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@ -133,6 +136,11 @@ static void frame_handle_copy(struct wl_client *client,
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// Schedule a buffer swap
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output->needs_swap = true;
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wlr_output_schedule_frame(output);
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if (frame->overlay_cursor) {
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wlr_output_lock_software_cursors(output, true);
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frame->cursor_locked = true;
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}
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}
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static void frame_handle_destroy(struct wl_client *client,
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@ -189,6 +197,7 @@ static void capture_output(struct wl_client *client,
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}
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frame->manager = manager;
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frame->output = output;
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frame->overlay_cursor = !!overlay_cursor;
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frame->resource = wl_resource_create(client,
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&zwlr_screencopy_frame_v1_interface, version, id);
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