#define _POSIX_C_SOURCE 200809L #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void wl_output_send_to_resource(struct wl_resource *resource) { assert(resource); struct wlr_output *output = wl_resource_get_user_data(resource); assert(output); const uint32_t version = wl_resource_get_version(resource); if (version >= WL_OUTPUT_GEOMETRY_SINCE_VERSION) { wl_output_send_geometry(resource, output->lx, output->ly, output->phys_width, output->phys_height, output->subpixel, output->make, output->model, output->transform); } if (version >= WL_OUTPUT_MODE_SINCE_VERSION) { struct wlr_output_mode *mode; wl_list_for_each(mode, &output->modes, link) { // TODO: mode->flags should just be preferred uint32_t flags = mode->flags; if (output->current_mode == mode) { flags |= WL_OUTPUT_MODE_CURRENT; } wl_output_send_mode(resource, flags, mode->width, mode->height, mode->refresh); } if (wl_list_length(&output->modes) == 0) { // Output has no mode, send the current width/height wl_output_send_mode(resource, WL_OUTPUT_MODE_CURRENT, output->width, output->height, 0); } } if (version >= WL_OUTPUT_SCALE_SINCE_VERSION) { wl_output_send_scale(resource, output->scale); } if (version >= WL_OUTPUT_DONE_SINCE_VERSION) { wl_output_send_done(resource); } } static void wlr_output_send_current_mode_to_resource( struct wl_resource *resource) { struct wlr_output *output = wl_resource_get_user_data(resource); assert(output); const uint32_t version = wl_resource_get_version(resource); if (version < WL_OUTPUT_MODE_SINCE_VERSION) { return; } if (output->current_mode != NULL) { struct wlr_output_mode *mode = output->current_mode; wl_output_send_mode(resource, mode->flags | WL_OUTPUT_MODE_CURRENT, mode->width, mode->height, mode->refresh); } else { // Output has no mode, send the current width/height wl_output_send_mode(resource, WL_OUTPUT_MODE_CURRENT, output->width, output->height, 0); } } static void wl_output_destroy(struct wl_resource *resource) { struct wlr_output *output = wl_resource_get_user_data(resource); struct wl_resource *_resource = NULL; wl_resource_for_each(_resource, &output->wl_resources) { if (_resource == resource) { struct wl_list *link = wl_resource_get_link(_resource); wl_list_remove(link); break; } } } static void wl_output_release(struct wl_client *client, struct wl_resource *resource) { wl_output_destroy(resource); } static struct wl_output_interface wl_output_impl = { .release = wl_output_release }; static void wl_output_bind(struct wl_client *wl_client, void *_wlr_output, uint32_t version, uint32_t id) { struct wlr_output *wlr_output = _wlr_output; assert(wl_client && wlr_output); struct wl_resource *wl_resource = wl_resource_create(wl_client, &wl_output_interface, version, id); wl_resource_set_implementation(wl_resource, &wl_output_impl, wlr_output, wl_output_destroy); wl_list_insert(&wlr_output->wl_resources, wl_resource_get_link(wl_resource)); wl_output_send_to_resource(wl_resource); } struct wl_global *wlr_output_create_global(struct wlr_output *wlr_output, struct wl_display *display) { if (wlr_output->wl_global != NULL) { return wlr_output->wl_global; } struct wl_global *wl_global = wl_global_create(display, &wl_output_interface, 3, wlr_output, wl_output_bind); wlr_output->wl_global = wl_global; wl_list_init(&wlr_output->wl_resources); return wl_global; } void wlr_output_destroy_global(struct wlr_output *wlr_output) { if (wlr_output->wl_global == NULL) { return; } struct wl_resource *resource, *tmp; wl_resource_for_each_safe(resource, tmp, &wlr_output->wl_resources) { struct wl_list *link = wl_resource_get_link(resource); wl_list_remove(link); } wl_global_destroy(wlr_output->wl_global); wlr_output->wl_global = NULL; } static void wlr_output_update_matrix(struct wlr_output *output) { wlr_matrix_texture(output->transform_matrix, output->width, output->height, output->transform); } void wlr_output_enable(struct wlr_output *output, bool enable) { output->impl->enable(output, enable); } bool wlr_output_set_mode(struct wlr_output *output, struct wlr_output_mode *mode) { if (!output->impl || !output->impl->set_mode) { return false; } bool result = output->impl->set_mode(output, mode); if (result) { wlr_output_update_matrix(output); struct wl_resource *resource; wl_resource_for_each(resource, &output->wl_resources) { wlr_output_send_current_mode_to_resource(resource); } } return result; } void wlr_output_update_size(struct wlr_output *output, int32_t width, int32_t height) { output->width = width; output->height = height; wlr_output_update_matrix(output); if (output->wl_global != NULL) { struct wl_resource *resource; wl_resource_for_each(resource, &output->wl_resources) { wlr_output_send_current_mode_to_resource(resource); } } } void wlr_output_transform(struct wlr_output *output, enum wl_output_transform transform) { output->impl->transform(output, transform); wlr_output_update_matrix(output); } void wlr_output_set_position(struct wlr_output *output, int32_t lx, int32_t ly) { if (lx == output->lx && ly == output->ly) { return; } output->lx = lx; output->ly = ly; struct wl_resource *resource; wl_resource_for_each(resource, &output->wl_resources) { wl_output_send_to_resource(resource); } } static bool set_cursor(struct wlr_output *output, const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x, int32_t hotspot_y) { if (output->impl->set_cursor && output->impl->set_cursor(output, buf, stride, width, height, hotspot_x, hotspot_y, true)) { output->cursor.is_sw = false; return true; } wlr_log(L_INFO, "Falling back to software cursor"); output->cursor.is_sw = true; output->cursor.width = width; output->cursor.height = height; if (!output->cursor.renderer) { output->cursor.renderer = wlr_gles2_renderer_create(output->backend); if (!output->cursor.renderer) { return false; } } if (!output->cursor.texture) { output->cursor.texture = wlr_render_texture_create(output->cursor.renderer); if (!output->cursor.texture) { return false; } } return wlr_texture_upload_pixels(output->cursor.texture, WL_SHM_FORMAT_ARGB8888, stride, width, height, buf); } bool wlr_output_set_cursor(struct wlr_output *output, const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x, int32_t hotspot_y) { if (output->cursor.surface) { wl_list_remove(&output->cursor.surface_commit.link); wl_list_remove(&output->cursor.surface_destroy.link); output->cursor.surface = NULL; } output->cursor.hotspot_x = hotspot_x; output->cursor.hotspot_y = hotspot_y; return set_cursor(output, buf, stride, width, height, hotspot_x, hotspot_y); } static inline int64_t timespec_to_msec(const struct timespec *a) { return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000; } static void commit_cursor_surface(struct wlr_output *output, struct wlr_surface *surface) { if (output->cursor.is_sw) { return; } struct wl_shm_buffer *buffer = wl_shm_buffer_get(surface->current->buffer); if (buffer == NULL) { return; } uint32_t format = wl_shm_buffer_get_format(buffer); if (format != WL_SHM_FORMAT_ARGB8888) { return; } void *buffer_data = wl_shm_buffer_get_data(buffer); int32_t width = wl_shm_buffer_get_width(buffer); int32_t height = wl_shm_buffer_get_height(buffer); int32_t stride = wl_shm_buffer_get_stride(buffer); wl_shm_buffer_begin_access(buffer); wlr_output_set_cursor(output, buffer_data, stride/4, width, height, output->cursor.hotspot_x - surface->current->sx, output->cursor.hotspot_y - surface->current->sy); wl_shm_buffer_end_access(buffer); } static void handle_cursor_surface_commit(struct wl_listener *listener, void *data) { struct wlr_output *output = wl_container_of(listener, output, cursor.surface_commit); struct wlr_surface *surface = data; commit_cursor_surface(output, surface); struct timespec now; clock_gettime(CLOCK_MONOTONIC, &now); struct wlr_frame_callback *cb, *cnext; wl_list_for_each_safe(cb, cnext, &surface->current->frame_callback_list, link) { wl_callback_send_done(cb->resource, timespec_to_msec(&now)); wl_resource_destroy(cb->resource); } } static void handle_cursor_surface_destroy(struct wl_listener *listener, void *data) { struct wlr_output *output = wl_container_of(listener, output, cursor.surface_destroy); wl_list_remove(&output->cursor.surface_commit.link); wl_list_remove(&output->cursor.surface_destroy.link); output->cursor.surface = NULL; } void wlr_output_set_cursor_surface(struct wlr_output *output, struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y) { if (surface && strcmp(surface->role, "wl_pointer-cursor") != 0) { return; } output->cursor.hotspot_x = hotspot_x; output->cursor.hotspot_y = hotspot_y; if (surface && surface == output->cursor.surface) { if (output->impl->set_cursor && !output->cursor.is_sw) { // Only update the hotspot output->impl->set_cursor(output, NULL, 0, 0, 0, hotspot_x, hotspot_y, false); } return; } if (output->cursor.surface) { wl_list_remove(&output->cursor.surface_commit.link); wl_list_remove(&output->cursor.surface_destroy.link); output->cursor.surface = NULL; } // Disable hardware cursor // TODO: support hardware cursors output->cursor.is_sw = true; if (output->impl->set_cursor) { output->impl->set_cursor(output, NULL, 0, 0, 0, hotspot_x, hotspot_y, true); } //output->cursor.is_sw = output->impl->set_cursor == NULL; output->cursor.surface = surface; if (surface != NULL) { wl_signal_add(&surface->events.commit, &output->cursor.surface_commit); wl_signal_add(&surface->events.destroy, &output->cursor.surface_destroy); commit_cursor_surface(output, surface); } else { set_cursor(output, NULL, 0, 0, 0, hotspot_x, hotspot_y); } } bool wlr_output_move_cursor(struct wlr_output *output, int x, int y) { output->cursor.x = x; output->cursor.y = y; if (output->cursor.is_sw) { return true; } if (!output->impl->move_cursor) { return false; } return output->impl->move_cursor(output, x, y); } void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend, const struct wlr_output_impl *impl) { output->backend = backend; output->impl = impl; wl_list_init(&output->modes); output->transform = WL_OUTPUT_TRANSFORM_NORMAL; output->scale = 1; wl_signal_init(&output->events.frame); wl_signal_init(&output->events.swap_buffers); wl_signal_init(&output->events.resolution); wl_signal_init(&output->events.destroy); wl_list_init(&output->cursor.surface_commit.link); output->cursor.surface_commit.notify = handle_cursor_surface_commit; wl_list_init(&output->cursor.surface_destroy.link); output->cursor.surface_destroy.notify = handle_cursor_surface_destroy; } void wlr_output_destroy(struct wlr_output *output) { if (!output) { return; } wl_signal_emit(&output->events.destroy, output); wlr_texture_destroy(output->cursor.texture); wlr_renderer_destroy(output->cursor.renderer); struct wlr_output_mode *mode, *tmp_mode; wl_list_for_each_safe(mode, tmp_mode, &output->modes, link) { free(mode); } wl_list_remove(&output->modes); if (output->impl && output->impl->destroy) { output->impl->destroy(output); } else { free(output); } } void wlr_output_effective_resolution(struct wlr_output *output, int *width, int *height) { // TODO: Scale factor if (output->transform % 2 == 1) { *width = output->height; *height = output->width; } else { *width = output->width; *height = output->height; } } void wlr_output_make_current(struct wlr_output *output) { output->impl->make_current(output); } void wlr_output_swap_buffers(struct wlr_output *output) { if (output->cursor.is_sw) { glViewport(0, 0, output->width, output->height); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); struct wlr_texture *texture = output->cursor.texture; struct wlr_renderer *renderer = output->cursor.renderer; if (output->cursor.surface) { texture = output->cursor.surface->texture; renderer = output->cursor.surface->renderer; } // We check texture->valid because some clients set a cursor surface // with a NULL buffer to hide it if (renderer && texture && texture->valid) { float matrix[16]; wlr_texture_get_matrix(texture, &matrix, &output->transform_matrix, output->cursor.x, output->cursor.y); wlr_render_with_matrix(renderer, texture, &matrix); } } wl_signal_emit(&output->events.swap_buffers, &output); output->impl->swap_buffers(output); } void wlr_output_set_gamma(struct wlr_output *output, uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b) { if (output->impl->set_gamma) { output->impl->set_gamma(output, size, r, g, b); } } uint32_t wlr_output_get_gamma_size(struct wlr_output *output) { if (!output->impl->get_gamma_size) { return 0; } return output->impl->get_gamma_size(output); }