--- /dev/null
+/*
+ * Copyright © 2011 Benjamin Franzke
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <math.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include <wayland-client.h>
+#include <wayland-egl.h>
+
+struct display {
+ struct wl_display *display;
+ struct wl_visual *xrgb_visual;
+ struct wl_compositor *compositor;
+ struct wl_shell *shell;
+ struct wl_shm *shm;
+ uint32_t mask;
+};
+
+struct window {
+ struct display *display;
+ int width, height;
+ struct wl_surface *surface;
+ struct wl_buffer *buffer;
+ void *data;
+};
+
+static struct wl_buffer *
+create_shm_buffer(struct display *display,
+ int width, int height, struct wl_visual *visual,
+ void **data_out)
+{
+ char filename[] = "/tmp/wayland-shm-XXXXXX";
+ struct wl_buffer *buffer;
+ int fd, size, stride;
+ void *data;
+
+ fd = mkstemp(filename);
+ if (fd < 0) {
+ fprintf(stderr, "open %s failed: %m\n", filename);
+ return NULL;
+ }
+ stride = width * 4;
+ size = stride * height;
+ if (ftruncate(fd, size) < 0) {
+ fprintf(stderr, "ftruncate failed: %m\n");
+ close(fd);
+ return NULL;
+ }
+
+ data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ unlink(filename);
+
+ if (data == MAP_FAILED) {
+ fprintf(stderr, "mmap failed: %m\n");
+ close(fd);
+ return NULL;
+ }
+
+ buffer = wl_shm_create_buffer(display->shm, fd,
+ width, height, stride, visual);
+
+ close(fd);
+
+ *data_out = data;
+
+ return buffer;
+}
+
+static struct window *
+create_window(struct display *display, int width, int height)
+{
+ struct window *window;
+ struct wl_visual *visual;
+
+ window = malloc(sizeof *window);
+ window->display = display;
+ window->width = width;
+ window->height = height;
+ window->surface = wl_compositor_create_surface(display->compositor);
+ visual = display->xrgb_visual;
+ window->buffer = create_shm_buffer(display,
+ width, height,
+ visual, &window->data);
+
+ wl_shell_set_toplevel(display->shell, window->surface);
+
+ return window;
+}
+
+static void
+redraw(struct wl_surface *surface, void *data, uint32_t time)
+{
+ struct window *window = data;
+ uint32_t *p;
+ int i, end, offset;
+
+ p = window->data;
+ end = window->width * window->height;
+ offset = time >> 4;
+ for (i = 0; i < end; i++)
+ p[i] = (i + offset) * 0x0080401;
+ wl_buffer_damage(window->buffer, 0, 0, window->width, window->height);
+
+ wl_surface_attach(window->surface, window->buffer, 0, 0);
+ wl_surface_damage(window->surface,
+ 0, 0, window->width, window->height);
+
+ wl_display_frame_callback(window->display->display,
+ window->surface,
+ redraw, window);
+}
+
+static void
+compositor_handle_visual(void *data,
+ struct wl_compositor *compositor,
+ uint32_t id, uint32_t token)
+{
+ struct display *d = data;
+
+ switch (token) {
+ case WL_COMPOSITOR_VISUAL_XRGB32:
+ d->xrgb_visual = wl_visual_create(d->display, id, 1);
+ break;
+ }
+}
+
+static const struct wl_compositor_listener compositor_listener = {
+ compositor_handle_visual,
+};
+
+static void
+display_handle_global(struct wl_display *display, uint32_t id,
+ const char *interface, uint32_t version, void *data)
+{
+ struct display *d = data;
+
+ if (strcmp(interface, "wl_compositor") == 0) {
+ d->compositor = wl_compositor_create(display, id, 1);
+ wl_compositor_add_listener(d->compositor,
+ &compositor_listener, d);
+ } else if (strcmp(interface, "wl_shell") == 0) {
+ d->shell = wl_shell_create(display, id, 1);
+ } else if (strcmp(interface, "wl_shm") == 0) {
+ d->shm = wl_shm_create(display, id, 1);
+ }
+}
+
+static int
+event_mask_update(uint32_t mask, void *data)
+{
+ struct display *d = data;
+
+ d->mask = mask;
+
+ return 0;
+}
+
+static void
+sync_callback(void *data)
+{
+ int *done = data;
+
+ *done = 1;
+}
+
+static struct display *
+create_display(void)
+{
+ struct display *display;
+ int done;
+
+ display = malloc(sizeof *display);
+ display->display = wl_display_connect(NULL);
+
+ wl_display_add_global_listener(display->display,
+ display_handle_global, display);
+ wl_display_iterate(display->display, WL_DISPLAY_READABLE);
+
+ wl_display_get_fd(display->display, event_mask_update, display);
+
+ wl_display_sync_callback(display->display, sync_callback, &done);
+ while (!display->xrgb_visual)
+ wl_display_iterate(display->display, display->mask);
+
+ return display;
+}
+
+int
+main(int argc, char **argv)
+{
+ struct display *display;
+ struct window *window;
+
+ display = create_display();
+ window = create_window(display, 250, 250);
+
+ redraw(window->surface, window, 0);
+
+ while (true)
+ wl_display_iterate(display->display, display->mask);
+
+ return 0;
+}
projects / profile / ivi / weston-ivi-shell.git / commitdiff