mirror of
https://gitlab.freedesktop.org/wayland/weston
synced 2024-09-06 09:56:14 +00:00
960 lines
24 KiB
C
960 lines
24 KiB
C
/*
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* Copyright © 2014 Jason Ekstrand
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* Copyright © 2011 Benjamin Franzke
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* Copyright © 2010 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include <stdint.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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#include <stdbool.h>
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#include <assert.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <sys/time.h>
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#include <signal.h>
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#include <errno.h>
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#include <wayland-client.h>
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#include "shared/os-compatibility.h"
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#include <libweston/zalloc.h>
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#include "xdg-shell-client-protocol.h"
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#include "fullscreen-shell-unstable-v1-client-protocol.h"
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#include "viewporter-client-protocol.h"
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int print_debug = 0;
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struct display {
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struct wl_display *display;
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struct wl_registry *registry;
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int compositor_version;
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struct wl_compositor *compositor;
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struct wp_viewporter *viewporter;
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struct xdg_wm_base *wm_base;
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struct zwp_fullscreen_shell_v1 *fshell;
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struct wl_shm *shm;
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uint32_t formats;
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};
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struct buffer {
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struct wl_buffer *buffer;
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uint32_t *shm_data;
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int busy;
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};
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enum window_flags {
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WINDOW_FLAG_USE_VIEWPORT = 0x1,
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WINDOW_FLAG_ROTATING_TRANSFORM = 0x2,
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WINDOW_FLAG_USE_DAMAGE_BUFFER = 0x4,
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};
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struct window {
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struct display *display;
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int width, height, border;
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struct wl_surface *surface;
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struct wp_viewport *viewport;
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struct xdg_surface *xdg_surface;
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struct xdg_toplevel *xdg_toplevel;
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struct wl_callback *callback;
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struct buffer buffers[2];
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struct buffer *prev_buffer;
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bool wait_for_configure;
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enum window_flags flags;
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int scale;
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enum wl_output_transform transform;
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struct {
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float x, y; /* position in pixels */
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float dx, dy; /* velocity in pixels/second */
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int radius; /* radius in pixels */
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uint32_t prev_time;
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} ball;
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};
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static int running = 1;
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static void
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redraw(void *data, struct wl_callback *callback, uint32_t time);
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static void
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buffer_release(void *data, struct wl_buffer *buffer)
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{
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struct buffer *mybuf = data;
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mybuf->busy = 0;
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}
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static const struct wl_buffer_listener buffer_listener = {
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buffer_release
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};
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static int
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create_shm_buffer(struct display *display, struct buffer *buffer,
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int width, int height, uint32_t format)
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{
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struct wl_shm_pool *pool;
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int fd, size, pitch;
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void *data;
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pitch = width * 4;
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size = pitch * height;
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fd = os_create_anonymous_file(size);
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if (fd < 0) {
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fprintf(stderr, "creating a buffer file for %d B failed: %s\n",
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size, strerror(errno));
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return -1;
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}
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data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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if (data == MAP_FAILED) {
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fprintf(stderr, "mmap failed: %s\n", strerror(errno));
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close(fd);
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return -1;
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}
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pool = wl_shm_create_pool(display->shm, fd, size);
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buffer->buffer = wl_shm_pool_create_buffer(pool, 0,
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width, height,
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pitch, format);
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wl_buffer_add_listener(buffer->buffer, &buffer_listener, buffer);
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wl_shm_pool_destroy(pool);
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close(fd);
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buffer->shm_data = data;
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return 0;
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}
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static void
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xdg_surface_handle_configure(void *data, struct xdg_surface *surface,
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uint32_t serial)
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{
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struct window *window = data;
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xdg_surface_ack_configure(surface, serial);
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if (window->wait_for_configure) {
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redraw(window, NULL, 0);
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window->wait_for_configure = false;
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}
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}
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static const struct xdg_surface_listener xdg_surface_listener = {
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xdg_surface_handle_configure,
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};
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static void
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xdg_toplevel_handle_configure(void *data, struct xdg_toplevel *toplevel,
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int32_t width, int32_t height,
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struct wl_array *states)
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{
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}
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static void
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xdg_toplevel_handle_close(void *data, struct xdg_toplevel *xdg_toplevel)
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{
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running = 0;
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}
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static const struct xdg_toplevel_listener xdg_toplevel_listener = {
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xdg_toplevel_handle_configure,
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xdg_toplevel_handle_close,
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};
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static float
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bounded_randf(float a, float b)
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{
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return a + ((float)rand() / (float)RAND_MAX) * (b - a);
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}
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static void
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window_init_game(struct window *window)
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{
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int ax1, ay1, ax2, ay2; /* playable arena size */
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struct timeval tv;
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gettimeofday(&tv, NULL);
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srand(tv.tv_usec);
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window->ball.radius = 10;
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ax1 = window->border + window->ball.radius;
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ay1 = window->border + window->ball.radius;
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ax2 = window->width - window->border - window->ball.radius;
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ay2 = window->height - window->border - window->ball.radius;
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window->ball.x = bounded_randf(ax1, ax2);
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window->ball.y = bounded_randf(ay1, ay2);
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window->ball.dx = bounded_randf(0, window->width);
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window->ball.dy = bounded_randf(0, window->height);
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window->ball.prev_time = 0;
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}
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static void
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window_advance_game(struct window *window, uint32_t timestamp)
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{
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int ax1, ay1, ax2, ay2; /* Arena size */
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float dt;
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if (window->ball.prev_time == 0) {
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/* first pass, don't do anything */
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window->ball.prev_time = timestamp;
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return;
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}
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/* dt in seconds */
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dt = (float)(timestamp - window->ball.prev_time) / 1000.0f;
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ax1 = window->border + window->ball.radius;
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ay1 = window->border + window->ball.radius;
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ax2 = window->width - window->border - window->ball.radius;
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ay2 = window->height - window->border - window->ball.radius;
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window->ball.x += window->ball.dx * dt;
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while (window->ball.x < ax1 || ax2 < window->ball.x) {
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if (window->ball.x < ax1)
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window->ball.x = 2 * ax1 - window->ball.x;
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if (ax2 <= window->ball.x)
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window->ball.x = 2 * ax2 - window->ball.x;
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window->ball.dx *= -1.0f;
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}
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window->ball.y += window->ball.dy * dt;
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while (window->ball.y < ay1 || ay2 < window->ball.y) {
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if (window->ball.y < ay1)
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window->ball.y = 2 * ay1 - window->ball.y;
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if (ay2 <= window->ball.y)
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window->ball.y = 2 * ay2 - window->ball.y;
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window->ball.dy *= -1.0f;
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}
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window->ball.prev_time = timestamp;
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}
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static struct window *
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create_window(struct display *display, int width, int height,
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enum wl_output_transform transform, int scale,
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enum window_flags flags)
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{
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struct window *window;
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if (display->compositor_version < 2 &&
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(transform != WL_OUTPUT_TRANSFORM_NORMAL ||
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flags & WINDOW_FLAG_ROTATING_TRANSFORM)) {
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fprintf(stderr, "wl_surface.buffer_transform unsupported in "
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"wl_surface version %d\n",
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display->compositor_version);
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exit(1);
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}
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if (display->compositor_version < 3 &&
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(! (flags & WINDOW_FLAG_USE_VIEWPORT)) && scale != 1) {
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fprintf(stderr, "wl_surface.buffer_scale unsupported in "
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"wl_surface version %d\n",
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display->compositor_version);
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exit(1);
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}
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if (display->viewporter == NULL && (flags & WINDOW_FLAG_USE_VIEWPORT)) {
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fprintf(stderr, "Compositor does not support wp_viewport");
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exit(1);
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}
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if (display->compositor_version <
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WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION &&
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(flags & WINDOW_FLAG_USE_DAMAGE_BUFFER)) {
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fprintf(stderr, "wl_surface.damage_buffer unsupported in "
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"wl_surface version %d\n",
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display->compositor_version);
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exit(1);
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}
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window = zalloc(sizeof *window);
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if (!window)
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return NULL;
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window->callback = NULL;
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window->display = display;
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window->width = width;
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window->height = height;
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window->border = 10;
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window->flags = flags;
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window->transform = transform;
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window->scale = scale;
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window_init_game(window);
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window->surface = wl_compositor_create_surface(display->compositor);
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if (window->flags & WINDOW_FLAG_USE_VIEWPORT)
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window->viewport = wp_viewporter_get_viewport(display->viewporter,
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window->surface);
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if (display->wm_base) {
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window->xdg_surface =
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xdg_wm_base_get_xdg_surface(display->wm_base,
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window->surface);
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assert(window->xdg_surface);
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xdg_surface_add_listener(window->xdg_surface,
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&xdg_surface_listener, window);
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window->xdg_toplevel =
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xdg_surface_get_toplevel(window->xdg_surface);
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assert(window->xdg_toplevel);
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xdg_toplevel_add_listener(window->xdg_toplevel,
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&xdg_toplevel_listener, window);
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xdg_toplevel_set_title(window->xdg_toplevel, "simple-damage");
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xdg_toplevel_set_app_id(window->xdg_toplevel,
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"org.freedesktop.weston.simple-damage");
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window->wait_for_configure = true;
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wl_surface_commit(window->surface);
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} else if (display->fshell) {
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zwp_fullscreen_shell_v1_present_surface(display->fshell,
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window->surface,
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ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_DEFAULT,
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NULL);
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} else {
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assert(0);
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}
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/* Initialise damage to full surface, so the padding gets painted */
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if (window->flags & WINDOW_FLAG_USE_DAMAGE_BUFFER) {
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wl_surface_damage_buffer(window->surface, 0, 0,
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INT32_MAX, INT32_MAX);
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} else {
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wl_surface_damage(window->surface, 0, 0, INT32_MAX, INT32_MAX);
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}
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return window;
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}
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static void
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destroy_window(struct window *window)
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{
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if (window->callback)
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wl_callback_destroy(window->callback);
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if (window->buffers[0].buffer)
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wl_buffer_destroy(window->buffers[0].buffer);
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if (window->buffers[1].buffer)
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wl_buffer_destroy(window->buffers[1].buffer);
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if (window->xdg_toplevel)
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xdg_toplevel_destroy(window->xdg_toplevel);
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if (window->xdg_surface)
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xdg_surface_destroy(window->xdg_surface);
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if (window->viewport)
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wp_viewport_destroy(window->viewport);
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wl_surface_destroy(window->surface);
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free(window);
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}
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static struct buffer *
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window_next_buffer(struct window *window)
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{
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struct buffer *buffer;
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int ret = 0, bwidth, bheight;
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if (!window->buffers[0].busy)
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buffer = &window->buffers[0];
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else if (!window->buffers[1].busy)
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buffer = &window->buffers[1];
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else
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return NULL;
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switch (window->transform) {
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default:
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case WL_OUTPUT_TRANSFORM_NORMAL:
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case WL_OUTPUT_TRANSFORM_180:
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case WL_OUTPUT_TRANSFORM_FLIPPED:
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case WL_OUTPUT_TRANSFORM_FLIPPED_180:
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bwidth = window->width * window->scale;
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bheight = window->height * window->scale;
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break;
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case WL_OUTPUT_TRANSFORM_90:
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case WL_OUTPUT_TRANSFORM_270:
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case WL_OUTPUT_TRANSFORM_FLIPPED_90:
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case WL_OUTPUT_TRANSFORM_FLIPPED_270:
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bwidth = window->height * window->scale;
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bheight = window->width * window->scale;
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break;
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}
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if (!buffer->buffer) {
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ret = create_shm_buffer(window->display, buffer,
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bwidth, bheight,
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WL_SHM_FORMAT_ARGB8888);
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if (ret < 0)
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return NULL;
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}
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return buffer;
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}
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static void
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paint_box(uint32_t *pixels, int pitch, int x, int y, int width, int height,
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uint32_t color)
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{
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int i, j;
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for (j = y; j < y + height; ++j)
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for (i = x; i < x + width; ++i)
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pixels[i + j * pitch] = color;
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}
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static void
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paint_circle(uint32_t *pixels, int pitch, float x, float y, int radius,
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uint32_t color)
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{
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int i, j;
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for (j = y - radius; j <= (int)(y + radius); ++j)
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for (i = x - radius; i <= (int)(x + radius); ++i)
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if ((j+0.5f-y)*(j+0.5f-y) + (i+0.5f-x)*(i+0.5f-x) <= radius * radius)
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pixels[i + j * pitch] = color;
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}
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static void
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window_get_transformed_ball(struct window *window, float *bx, float *by)
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{
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float wx, wy;
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wx = window->ball.x;
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wy = window->ball.y;
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switch (window->transform) {
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default:
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case WL_OUTPUT_TRANSFORM_NORMAL:
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*bx = wx;
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*by = wy;
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break;
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case WL_OUTPUT_TRANSFORM_90:
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*bx = wy;
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*by = window->width - wx;
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break;
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case WL_OUTPUT_TRANSFORM_180:
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*bx = window->width - wx;
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*by = window->height - wy;
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break;
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case WL_OUTPUT_TRANSFORM_270:
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*bx = window->height - wy;
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*by = wx;
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED:
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*bx = window->width - wx;
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*by = wy;
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED_90:
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*bx = wy;
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*by = wx;
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED_180:
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*bx = wx;
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*by = window->height - wy;
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break;
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case WL_OUTPUT_TRANSFORM_FLIPPED_270:
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*bx = window->height - wy;
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*by = window->width - wx;
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break;
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}
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*bx *= window->scale;
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*by *= window->scale;
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if (window->viewport) {
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/* We're drawing half-size because of the viewport */
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*bx /= 2;
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*by /= 2;
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}
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}
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static const struct wl_callback_listener frame_listener;
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static void
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redraw(void *data, struct wl_callback *callback, uint32_t time)
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{
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struct window *window = data;
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struct buffer *buffer;
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int off_x = 0, off_y = 0;
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int bwidth, bheight, bborder, bpitch, bradius;
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float bx, by;
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buffer = window_next_buffer(window);
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if (!buffer) {
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fprintf(stderr,
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!callback ? "Failed to create the first buffer.\n" :
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"Both buffers busy at redraw(). Server bug?\n");
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abort();
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}
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/* Rotate the damage, but keep the even/odd parity so the
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* dimensions of the buffers don't change */
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if (window->flags & WINDOW_FLAG_ROTATING_TRANSFORM)
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window->transform = (window->transform + 2) % 8;
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switch (window->transform) {
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default:
|
|
case WL_OUTPUT_TRANSFORM_NORMAL:
|
|
case WL_OUTPUT_TRANSFORM_180:
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED:
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
|
|
bwidth = window->width * window->scale;
|
|
bheight = window->height * window->scale;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_90:
|
|
case WL_OUTPUT_TRANSFORM_270:
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
|
|
bwidth = window->height * window->scale;
|
|
bheight = window->width * window->scale;
|
|
break;
|
|
}
|
|
|
|
bpitch = bwidth;
|
|
|
|
bborder = window->border * window->scale;
|
|
bradius = window->ball.radius * window->scale;
|
|
|
|
if (window->viewport) {
|
|
int tx, ty;
|
|
/* Fill the whole thing with red to detect viewport errors */
|
|
paint_box(buffer->shm_data, bpitch, 0, 0, bwidth, bheight,
|
|
0xffff0000);
|
|
|
|
/* The buffer is the same size. However, we crop it
|
|
* and scale it up by a factor of 2 */
|
|
bborder /= 2;
|
|
bradius /= 2;
|
|
bwidth /= 2;
|
|
bheight /= 2;
|
|
|
|
/* Offset the drawing region */
|
|
tx = (window->width / 3) * window->scale;
|
|
ty = (window->height / 5) * window->scale;
|
|
switch (window->transform) {
|
|
default:
|
|
case WL_OUTPUT_TRANSFORM_NORMAL:
|
|
off_y = ty;
|
|
off_x = tx;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_90:
|
|
off_y = bheight - tx;
|
|
off_x = ty;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_180:
|
|
off_y = bheight - ty;
|
|
off_x = bwidth - tx;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_270:
|
|
off_y = tx;
|
|
off_x = bwidth - ty;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED:
|
|
off_y = ty;
|
|
off_x = bwidth - tx;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
|
|
off_y = tx;
|
|
off_x = ty;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
|
|
off_y = bheight - ty;
|
|
off_x = tx;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
|
|
off_y = bheight - tx;
|
|
off_x = bwidth - ty;
|
|
break;
|
|
}
|
|
wp_viewport_set_source(window->viewport,
|
|
wl_fixed_from_int(window->width / 3),
|
|
wl_fixed_from_int(window->height / 5),
|
|
wl_fixed_from_int(window->width / 2),
|
|
wl_fixed_from_int(window->height / 2));
|
|
}
|
|
|
|
/* Paint the border */
|
|
paint_box(buffer->shm_data, bpitch, off_x, off_y,
|
|
bwidth, bborder, 0xffffffff);
|
|
paint_box(buffer->shm_data, bpitch, off_x, off_y,
|
|
bborder, bheight, 0xffffffff);
|
|
paint_box(buffer->shm_data, bpitch, off_x + bwidth - bborder, off_y,
|
|
bborder, bheight, 0xffffffff);
|
|
paint_box(buffer->shm_data, bpitch, off_x, off_y + bheight - bborder,
|
|
bwidth, bborder, 0xffffffff);
|
|
|
|
/* fill with translucent */
|
|
paint_box(buffer->shm_data, bpitch, off_x + bborder, off_y + bborder,
|
|
bwidth - 2 * bborder, bheight - 2 * bborder, 0x80000000);
|
|
|
|
/* Damage where the ball was */
|
|
if (window->flags & WINDOW_FLAG_USE_DAMAGE_BUFFER) {
|
|
window_get_transformed_ball(window, &bx, &by);
|
|
wl_surface_damage_buffer(window->surface,
|
|
bx - bradius + off_x,
|
|
by - bradius + off_y,
|
|
bradius * 2 + 1,
|
|
bradius * 2 + 1);
|
|
} else {
|
|
wl_surface_damage(window->surface,
|
|
window->ball.x - window->ball.radius,
|
|
window->ball.y - window->ball.radius,
|
|
window->ball.radius * 2 + 1,
|
|
window->ball.radius * 2 + 1);
|
|
}
|
|
window_advance_game(window, time);
|
|
|
|
window_get_transformed_ball(window, &bx, &by);
|
|
|
|
/* Paint the ball */
|
|
paint_circle(buffer->shm_data, bpitch, off_x + bx, off_y + by,
|
|
bradius, 0xff00ff00);
|
|
|
|
if (print_debug) {
|
|
printf("Ball now located at (%f, %f)\n",
|
|
window->ball.x, window->ball.y);
|
|
|
|
printf("Circle painted at (%f, %f), radius %d\n", bx, by,
|
|
bradius);
|
|
|
|
printf("Buffer damage rectangle: (%d, %d) @ %dx%d\n",
|
|
(int)(bx - bradius) + off_x,
|
|
(int)(by - bradius) + off_y,
|
|
bradius * 2 + 1, bradius * 2 + 1);
|
|
}
|
|
|
|
/* Damage where the ball is now */
|
|
if (window->flags & WINDOW_FLAG_USE_DAMAGE_BUFFER) {
|
|
wl_surface_damage_buffer(window->surface,
|
|
bx - bradius + off_x,
|
|
by - bradius + off_y,
|
|
bradius * 2 + 1,
|
|
bradius * 2 + 1);
|
|
} else {
|
|
wl_surface_damage(window->surface,
|
|
window->ball.x - window->ball.radius,
|
|
window->ball.y - window->ball.radius,
|
|
window->ball.radius * 2 + 1,
|
|
window->ball.radius * 2 + 1);
|
|
}
|
|
wl_surface_attach(window->surface, buffer->buffer, 0, 0);
|
|
|
|
if (window->display->compositor_version >= 2 &&
|
|
(window->transform != WL_OUTPUT_TRANSFORM_NORMAL ||
|
|
window->flags & WINDOW_FLAG_ROTATING_TRANSFORM))
|
|
wl_surface_set_buffer_transform(window->surface,
|
|
window->transform);
|
|
|
|
if (window->viewport)
|
|
wp_viewport_set_destination(window->viewport,
|
|
window->width,
|
|
window->height);
|
|
|
|
if (window->scale != 1)
|
|
wl_surface_set_buffer_scale(window->surface,
|
|
window->scale);
|
|
|
|
if (callback)
|
|
wl_callback_destroy(callback);
|
|
|
|
window->callback = wl_surface_frame(window->surface);
|
|
wl_callback_add_listener(window->callback, &frame_listener, window);
|
|
wl_surface_commit(window->surface);
|
|
buffer->busy = 1;
|
|
}
|
|
|
|
static const struct wl_callback_listener frame_listener = {
|
|
redraw
|
|
};
|
|
|
|
static void
|
|
shm_format(void *data, struct wl_shm *wl_shm, uint32_t format)
|
|
{
|
|
struct display *d = data;
|
|
|
|
d->formats |= (1 << format);
|
|
}
|
|
|
|
struct wl_shm_listener shm_listener = {
|
|
shm_format
|
|
};
|
|
|
|
static void
|
|
xdg_wm_base_ping(void *data, struct xdg_wm_base *shell, uint32_t serial)
|
|
{
|
|
xdg_wm_base_pong(shell, serial);
|
|
}
|
|
|
|
static const struct xdg_wm_base_listener wm_base_listener = {
|
|
xdg_wm_base_ping,
|
|
};
|
|
|
|
static void
|
|
registry_handle_global(void *data, struct wl_registry *registry,
|
|
uint32_t id, const char *interface, uint32_t version)
|
|
{
|
|
struct display *d = data;
|
|
|
|
if (strcmp(interface, "wl_compositor") == 0) {
|
|
if (d->compositor_version > (int)version) {
|
|
fprintf(stderr, "Compositor does not support "
|
|
"wl_surface version %d\n", d->compositor_version);
|
|
exit(1);
|
|
}
|
|
|
|
if (d->compositor_version < 0)
|
|
d->compositor_version = version;
|
|
|
|
d->compositor =
|
|
wl_registry_bind(registry,
|
|
id, &wl_compositor_interface,
|
|
d->compositor_version);
|
|
} else if (strcmp(interface, "wp_viewporter") == 0) {
|
|
d->viewporter = wl_registry_bind(registry, id,
|
|
&wp_viewporter_interface, 1);
|
|
} else if (strcmp(interface, "xdg_wm_base") == 0) {
|
|
d->wm_base = wl_registry_bind(registry,
|
|
id, &xdg_wm_base_interface, 1);
|
|
xdg_wm_base_add_listener(d->wm_base, &wm_base_listener, d);
|
|
} else if (strcmp(interface, "zwp_fullscreen_shell_v1") == 0) {
|
|
d->fshell = wl_registry_bind(registry,
|
|
id, &zwp_fullscreen_shell_v1_interface, 1);
|
|
} else if (strcmp(interface, "wl_shm") == 0) {
|
|
d->shm = wl_registry_bind(registry,
|
|
id, &wl_shm_interface, 1);
|
|
wl_shm_add_listener(d->shm, &shm_listener, d);
|
|
}
|
|
}
|
|
|
|
static void
|
|
registry_handle_global_remove(void *data, struct wl_registry *registry,
|
|
uint32_t name)
|
|
{
|
|
}
|
|
|
|
static const struct wl_registry_listener registry_listener = {
|
|
registry_handle_global,
|
|
registry_handle_global_remove
|
|
};
|
|
|
|
static struct display *
|
|
create_display(int version)
|
|
{
|
|
struct display *display;
|
|
|
|
display = zalloc(sizeof *display);
|
|
if (display == NULL) {
|
|
fprintf(stderr, "out of memory\n");
|
|
exit(1);
|
|
}
|
|
display->display = wl_display_connect(NULL);
|
|
assert(display->display);
|
|
|
|
display->compositor_version = version;
|
|
display->formats = 0;
|
|
display->registry = wl_display_get_registry(display->display);
|
|
wl_registry_add_listener(display->registry,
|
|
®istry_listener, display);
|
|
wl_display_roundtrip(display->display);
|
|
if (display->shm == NULL) {
|
|
fprintf(stderr, "No wl_shm global\n");
|
|
exit(1);
|
|
}
|
|
|
|
wl_display_roundtrip(display->display);
|
|
|
|
if (!(display->formats & (1 << WL_SHM_FORMAT_XRGB8888))) {
|
|
fprintf(stderr, "WL_SHM_FORMAT_XRGB32 not available\n");
|
|
exit(1);
|
|
}
|
|
|
|
return display;
|
|
}
|
|
|
|
static void
|
|
destroy_display(struct display *display)
|
|
{
|
|
if (display->shm)
|
|
wl_shm_destroy(display->shm);
|
|
|
|
if (display->wm_base)
|
|
xdg_wm_base_destroy(display->wm_base);
|
|
|
|
if (display->fshell)
|
|
zwp_fullscreen_shell_v1_release(display->fshell);
|
|
|
|
if (display->viewporter)
|
|
wp_viewporter_destroy(display->viewporter);
|
|
|
|
if (display->compositor)
|
|
wl_compositor_destroy(display->compositor);
|
|
|
|
wl_registry_destroy(display->registry);
|
|
wl_display_flush(display->display);
|
|
wl_display_disconnect(display->display);
|
|
free(display);
|
|
}
|
|
|
|
static void
|
|
signal_int(int signum)
|
|
{
|
|
running = 0;
|
|
}
|
|
|
|
static void
|
|
print_usage(int retval)
|
|
{
|
|
printf(
|
|
"usage: weston-simple-damage [options]\n\n"
|
|
"options:\n"
|
|
" -h, --help\t\tPring this help\n"
|
|
" --verbose\t\tPrint verbose log information\n"
|
|
" --version=VERSION\tVersion of wl_surface to use\n"
|
|
" --width=WIDTH\t\tWidth of the window\n"
|
|
" --height=HEIGHT\tHeight of the window\n"
|
|
" --scale=SCALE\t\tScale factor for the surface\n"
|
|
" --transform=TRANSFORM\tTransform for the surface\n"
|
|
" --rotating-transform\tUse a different buffer_transform for each frame\n"
|
|
" --use-viewport\tUse wp_viewport\n"
|
|
" --use-damage-buffer\tUse damage_buffer to post damage\n"
|
|
);
|
|
|
|
exit(retval);
|
|
}
|
|
|
|
static int
|
|
parse_transform(const char *str, enum wl_output_transform *transform)
|
|
{
|
|
int i;
|
|
static const struct {
|
|
const char *name;
|
|
enum wl_output_transform transform;
|
|
} names[] = {
|
|
{ "normal", WL_OUTPUT_TRANSFORM_NORMAL },
|
|
{ "90", WL_OUTPUT_TRANSFORM_90 },
|
|
{ "180", WL_OUTPUT_TRANSFORM_180 },
|
|
{ "270", WL_OUTPUT_TRANSFORM_270 },
|
|
{ "flipped", WL_OUTPUT_TRANSFORM_FLIPPED },
|
|
{ "flipped-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 },
|
|
{ "flipped-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
|
|
{ "flipped-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
|
|
};
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
if (strcmp(names[i].name, str) == 0) {
|
|
*transform = names[i].transform;
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
struct sigaction sigint;
|
|
struct display *display;
|
|
struct window *window;
|
|
int i, ret = 0;
|
|
int version = -1;
|
|
int width = 300, height = 200, scale = 1;
|
|
enum wl_output_transform transform = WL_OUTPUT_TRANSFORM_NORMAL;
|
|
enum window_flags flags = 0;
|
|
|
|
for (i = 1; i < argc; ++i) {
|
|
if (strcmp(argv[i], "--help") == 0 ||
|
|
strcmp(argv[i], "-h") == 0) {
|
|
print_usage(0);
|
|
} else if (sscanf(argv[i], "--version=%d", &version) > 0) {
|
|
if (version < 1 || version > 4) {
|
|
fprintf(stderr, "Unsupported wl_surface version: %d\n",
|
|
version);
|
|
return 1;
|
|
}
|
|
continue;
|
|
} else if (strcmp(argv[i], "--verbose") == 0) {
|
|
print_debug = 1;
|
|
continue;
|
|
} else if (sscanf(argv[i], "--width=%d", &width) > 0) {
|
|
continue;
|
|
} else if (sscanf(argv[i], "--height=%d", &height) > 0) {
|
|
continue;
|
|
} else if (strncmp(argv[i], "--transform=", 12) == 0 &&
|
|
parse_transform(argv[i] + 12, &transform) > 0) {
|
|
continue;
|
|
} else if (strcmp(argv[i], "--rotating-transform") == 0) {
|
|
flags |= WINDOW_FLAG_ROTATING_TRANSFORM;
|
|
continue;
|
|
} else if (sscanf(argv[i], "--scale=%d", &scale) > 0) {
|
|
continue;
|
|
} else if (strcmp(argv[i], "--use-viewport") == 0) {
|
|
flags |= WINDOW_FLAG_USE_VIEWPORT;
|
|
continue;
|
|
} else if (strcmp(argv[i], "--use-damage-buffer") == 0) {
|
|
flags |= WINDOW_FLAG_USE_DAMAGE_BUFFER;
|
|
continue;
|
|
} else {
|
|
printf("Invalid option: %s\n", argv[i]);
|
|
print_usage(255);
|
|
}
|
|
}
|
|
|
|
display = create_display(version);
|
|
|
|
window = create_window(display, width, height, transform, scale, flags);
|
|
if (!window)
|
|
return 1;
|
|
|
|
sigint.sa_handler = signal_int;
|
|
sigemptyset(&sigint.sa_mask);
|
|
sigint.sa_flags = SA_RESETHAND;
|
|
sigaction(SIGINT, &sigint, NULL);
|
|
|
|
if (!window->wait_for_configure)
|
|
redraw(window, NULL, 0);
|
|
|
|
while (running && ret != -1)
|
|
ret = wl_display_dispatch(display->display);
|
|
|
|
fprintf(stderr, "simple-shm exiting\n");
|
|
destroy_window(window);
|
|
destroy_display(display);
|
|
|
|
return 0;
|
|
}
|