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							421 lines
						
					
					
						
							10 KiB
						
					
					
				| /*
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|  * Copyright © 2012 Philipp Brüschweiler
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|  *
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|  * Permission to use, copy, modify, distribute, and sell this software and
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|  * its documentation for any purpose is hereby granted without fee, provided
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|  * that the above copyright notice appear in all copies and that both that
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|  * copyright notice and this permission notice appear in supporting
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|  * documentation, and that the name of the copyright holders not be used in
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|  * advertising or publicity pertaining to distribution of the software
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|  * without specific, written prior permission.  The copyright holders make
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|  * no representations about the suitability of this software for any
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|  * purpose.  It is provided "as is" without express or implied warranty.
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|  *
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|  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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|  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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|  * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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|  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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|  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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|  * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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|  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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|  */
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| 
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| #include <stdbool.h>
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| #include <stdio.h>
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| #include <stdlib.h>
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| #include <string.h>
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| 
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| #include <wayland-client.h>
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| 
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| #include "../shared/os-compatibility.h"
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| 
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| typedef void (*print_info_t)(void *info);
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| 
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| struct global_info {
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| 	struct wl_list link;
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| 
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| 	uint32_t id;
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| 	uint32_t version;
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| 	char *interface;
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| 
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| 	print_info_t print;
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| };
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| 
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| struct output_mode {
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| 	struct wl_list link;
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| 
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| 	uint32_t flags;
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| 	int32_t width, height;
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| 	int32_t refresh;
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| };
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| 
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| struct output_info {
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| 	struct global_info global;
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| 
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| 	struct wl_output *output;
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| 
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| 	struct {
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| 		int32_t x, y;
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| 		int32_t physical_width, physical_height;
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| 		enum wl_output_subpixel subpixel;
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| 		enum wl_output_transform output_transform;
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| 		char *make;
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| 		char *model;
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| 	} geometry;
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| 
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| 	struct wl_list modes;
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| };
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| 
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| struct shm_format {
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| 	struct wl_list link;
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| 
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| 	uint32_t format;
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| };
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| 
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| struct shm_info {
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| 	struct global_info global;
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| 	struct wl_shm *shm;
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| 
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| 	struct wl_list formats;
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| };
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| 
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| struct seat_info {
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| 	struct global_info global;
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| 	struct wl_seat *seat;
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| 
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| 	uint32_t capabilities;
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| };
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| 
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| struct weston_info {
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| 	struct wl_display *display;
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| 
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| 	struct wl_list infos;
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| 	bool roundtrip_needed;
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| };
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| 
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| static void
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| print_global_info(void *data)
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| {
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| 	struct global_info *global = data;
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| 
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| 	printf("interface: '%s', version: %u, name: %u\n",
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| 	       global->interface, global->version, global->id);
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| }
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| 
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| static void
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| init_global_info(struct weston_info *info,
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| 		 struct global_info *global, uint32_t id,
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| 		 const char *interface, uint32_t version)
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| {
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| 	global->id = id;
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| 	global->version = version;
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| 	global->interface = strdup(interface);
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| 
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| 	wl_list_insert(info->infos.prev, &global->link);
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| }
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| 
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| static void
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| print_output_info(void *data)
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| {
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| 	struct output_info *output = data;
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| 	struct output_mode *mode;
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| 	const char *subpixel_orientation;
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| 	const char *transform;
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| 
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| 	print_global_info(data);
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| 
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| 	switch (output->geometry.subpixel) {
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| 	case WL_OUTPUT_SUBPIXEL_UNKNOWN:
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| 		subpixel_orientation = "unknown";
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| 		break;
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| 	case WL_OUTPUT_SUBPIXEL_NONE:
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| 		subpixel_orientation = "none";
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| 		break;
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| 	case WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB:
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| 		subpixel_orientation = "horizontal rgb";
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| 		break;
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| 	case WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR:
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| 		subpixel_orientation = "horizontal bgr";
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| 		break;
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| 	case WL_OUTPUT_SUBPIXEL_VERTICAL_RGB:
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| 		subpixel_orientation = "vertical rgb";
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| 		break;
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| 	case WL_OUTPUT_SUBPIXEL_VERTICAL_BGR:
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| 		subpixel_orientation = "vertical bgr";
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| 		break;
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| 	default:
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| 		fprintf(stderr, "unknown subpixel orientation %u\n",
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| 			output->geometry.subpixel);
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| 		subpixel_orientation = "unexpected value";
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| 		break;
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| 	}
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| 
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| 	switch (output->geometry.output_transform) {
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| 	case WL_OUTPUT_TRANSFORM_NORMAL:
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| 		transform = "normal";
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| 		break;
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| 	case WL_OUTPUT_TRANSFORM_90:
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| 		transform = "90°";
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| 		break;
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| 	case WL_OUTPUT_TRANSFORM_180:
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| 		transform = "180°";
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| 		break;
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| 	case WL_OUTPUT_TRANSFORM_270:
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| 		transform = "270°";
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| 		break;
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| 	case WL_OUTPUT_TRANSFORM_FLIPPED:
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| 		transform = "flipped";
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| 		break;
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| 	case WL_OUTPUT_TRANSFORM_FLIPPED_90:
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| 		transform = "flipped 90°";
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| 		break;
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| 	case WL_OUTPUT_TRANSFORM_FLIPPED_180:
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| 		transform = "flipped 180°";
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| 		break;
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| 	case WL_OUTPUT_TRANSFORM_FLIPPED_270:
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| 		transform = "flipped 270°";
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| 		break;
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| 	default:
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| 		fprintf(stderr, "unknown output transform %u\n",
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| 			output->geometry.output_transform);
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| 		transform = "unexpected value";
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| 		break;
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| 	}
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| 
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| 	printf("\tx: %d, y: %d,\n",
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| 	       output->geometry.x, output->geometry.y);
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| 	printf("\tphysical_width: %d mm, physical_height: %d mm,\n",
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| 	       output->geometry.physical_width,
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| 	       output->geometry.physical_height);
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| 	printf("\tmake: '%s', model: '%s',\n",
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| 	       output->geometry.make, output->geometry.model);
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| 	printf("\tsubpixel_orientation: %s, output_tranform: %s,\n",
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| 	       subpixel_orientation, transform);
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| 
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| 	wl_list_for_each(mode, &output->modes, link) {
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| 		printf("\tmode:\n");
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| 
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| 		printf("\t\twidth: %d px, height: %d px, refresh: %.f Hz,\n",
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| 		       mode->width, mode->height,
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| 		       (float) mode->refresh / 1000);
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| 
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| 		printf("\t\tflags:");
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| 		if (mode->flags & WL_OUTPUT_MODE_CURRENT)
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| 			printf(" current");
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| 		if (mode->flags & WL_OUTPUT_MODE_PREFERRED)
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| 			printf(" preferred");
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| 		printf("\n");
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| 	}
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| }
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| 
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| static void
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| print_shm_info(void *data)
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| {
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| 	struct shm_info *shm = data;
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| 	struct shm_format *format;
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| 
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| 	print_global_info(data);
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| 
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| 	printf("\tformats:");
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| 
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| 	wl_list_for_each(format, &shm->formats, link)
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| 		printf(" %s", (format->format == WL_SHM_FORMAT_ARGB8888) ?
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| 			      "ARGB8888" : "XRGB8888");
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| 
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| 	printf("\n");
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| }
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| 
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| static void
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| print_seat_info(void *data)
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| {
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| 	struct seat_info *seat = data;
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| 
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| 	print_global_info(data);
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| 
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| 	printf("\tcapabilities:");
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| 
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| 	if (seat->capabilities & WL_SEAT_CAPABILITY_POINTER)
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| 		printf(" pointer");
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| 	if (seat->capabilities & WL_SEAT_CAPABILITY_KEYBOARD)
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| 		printf(" keyboard");
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| 	if (seat->capabilities & WL_SEAT_CAPABILITY_TOUCH)
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| 		printf(" touch");
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| 
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| 	printf("\n");
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| }
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| 
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| static void
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| seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
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| 			 enum wl_seat_capability caps)
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| {
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| 	struct seat_info *seat = data;
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| 	seat->capabilities = caps;
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| }
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| 
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| static const struct wl_seat_listener seat_listener = {
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| 	seat_handle_capabilities,
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| };
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| 
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| static void
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| add_seat_info(struct weston_info *info, uint32_t id, uint32_t version)
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| {
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| 	struct seat_info *seat = malloc(sizeof *seat);
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| 
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| 	init_global_info(info, &seat->global, id, "wl_seat", version);
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| 	seat->global.print = print_seat_info;
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| 
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| 	seat->seat = wl_display_bind(info->display, id, &wl_seat_interface);
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| 	wl_seat_add_listener(seat->seat, &seat_listener, seat);
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| 
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| 	info->roundtrip_needed = true;
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| }
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| 
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| static void
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| shm_handle_format(void *data, struct wl_shm *wl_shm, uint32_t format)
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| {
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| 	struct shm_info *shm = data;
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| 	struct shm_format *shm_format = malloc(sizeof *shm_format);
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| 
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| 	wl_list_insert(&shm->formats, &shm_format->link);
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| 	shm_format->format = format;
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| }
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| 
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| static const struct wl_shm_listener shm_listener = {
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| 	shm_handle_format,
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| };
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| 
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| static void
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| add_shm_info(struct weston_info *info, uint32_t id, uint32_t version)
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| {
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| 	struct shm_info *shm = malloc(sizeof *shm);
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| 
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| 	init_global_info(info, &shm->global, id, "wl_shm", version);
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| 	shm->global.print = print_shm_info;
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| 	wl_list_init(&shm->formats);
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| 
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| 	shm->shm = wl_display_bind(info->display, id, &wl_shm_interface);
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| 	wl_shm_add_listener(shm->shm, &shm_listener, shm);
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| 
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| 	info->roundtrip_needed = true;
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| }
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| 
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| static void
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| output_handle_geometry(void *data, struct wl_output *wl_output,
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| 		       int32_t x, int32_t y,
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| 		       int32_t physical_width, int32_t physical_height,
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| 		       int32_t subpixel,
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| 		       const char *make, const char *model,
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| 		       int32_t output_transform)
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| {
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| 	struct output_info *output = data;
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| 
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| 	output->geometry.x = x;
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| 	output->geometry.y = y;
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| 	output->geometry.physical_width = physical_width;
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| 	output->geometry.physical_height = physical_height;
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| 	output->geometry.subpixel = subpixel;
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| 	output->geometry.make = strdup(make);
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| 	output->geometry.model = strdup(model);
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| 	output->geometry.output_transform = output_transform;
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| }
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| 
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| static void
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| output_handle_mode(void *data, struct wl_output *wl_output,
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| 		   uint32_t flags, int32_t width, int32_t height,
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| 		   int32_t refresh)
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| {
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| 	struct output_info *output = data;
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| 	struct output_mode *mode = malloc(sizeof *mode);
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| 
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| 	mode->flags = flags;
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| 	mode->width = width;
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| 	mode->height = height;
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| 	mode->refresh = refresh;
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| 
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| 	wl_list_insert(output->modes.prev, &mode->link);
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| }
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| 
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| static const struct wl_output_listener output_listener = {
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| 	output_handle_geometry,
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| 	output_handle_mode,
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| };
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| 
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| static void
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| add_output_info(struct weston_info *info, uint32_t id, uint32_t version)
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| {
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| 	struct output_info *output = malloc(sizeof *output);
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| 
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| 	init_global_info(info, &output->global, id, "wl_output", version);
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| 	output->global.print = print_output_info;
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| 
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| 	wl_list_init(&output->modes);
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| 
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| 	output->output = wl_display_bind(info->display, id,
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| 					 &wl_output_interface);
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| 	wl_output_add_listener(output->output, &output_listener,
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| 			       output);
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| 
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| 	info->roundtrip_needed = true;
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| }
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| 
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| static void
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| add_global_info(struct weston_info *info, uint32_t id,
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| 		const char *interface, uint32_t version)
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| {
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| 	struct global_info *global = malloc(sizeof *global);
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| 
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| 	init_global_info(info, global, id, interface, version);
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| 	global->print = print_global_info;
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| }
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| 
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| static void
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| global_handler(struct wl_display *display, uint32_t id,
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| 	       const char *interface, uint32_t version, void *data)
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| {
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| 	struct weston_info *info = data;
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| 
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| 	if (!strcmp(interface, "wl_seat"))
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| 		add_seat_info(info, id, version);
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| 	else if (!strcmp(interface, "wl_shm"))
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| 		add_shm_info(info, id, version);
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| 	else if (!strcmp(interface, "wl_output"))
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| 		add_output_info(info, id, version);
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| 	else
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| 		add_global_info(info, id, interface, version);
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| }
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| 
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| static void
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| print_infos(struct wl_list *infos)
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| {
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| 	struct global_info *info;
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| 
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| 	wl_list_for_each(info, infos, link)
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| 		info->print(info);
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| }
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| 
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| int
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| main(int argc, char **argv)
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| {
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| 	struct weston_info info;
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| 
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| 	info.display = wl_display_connect(NULL);
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| 	if (!info.display) {
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| 		fprintf(stderr, "failed to create display: %m\n");
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| 		return -1;
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| 	}
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| 
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| 	wl_list_init(&info.infos);
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| 
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| 	wl_display_add_global_listener(info.display,
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| 				       global_handler,
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| 				       &info);
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| 
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| 	do {
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| 		info.roundtrip_needed = false;
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| 		wl_display_roundtrip(info.display);
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| 	} while (info.roundtrip_needed);
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| 
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| 	print_infos(&info.infos);
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| 
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| 	return 0;
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| }
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| 
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