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Diffstat (limited to 'clients/nested-client.c')
| -rw-r--r-- | clients/nested-client.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/clients/nested-client.c b/clients/nested-client.c new file mode 100644 index 00000000..66455644 --- /dev/null +++ b/clients/nested-client.c @@ -0,0 +1,170 @@ +/* + * Copyright © 2011 Benjamin Franzke + * + * 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 <wayland-egl.h> +#include <wayland-cursor.h> + +#include <GLES2/gl2.h> +#include <EGL/egl.h> + +#include "gles2-helper.h" + +struct window; +struct seat; + +struct nested_client { + struct wl_display *display; + struct wl_registry *registry; + struct wl_compositor *compositor; + + struct gles2_context *ctx; + + GLuint rotation_uniform; + GLuint pos; + GLuint col; + + struct wl_surface *surface; + int width, height; +}; + +static void +frame_callback(void *data, struct wl_callback *callback, uint32_t time); + +static const struct wl_callback_listener frame_listener = { + frame_callback +}; + +static void +frame_callback(void *data, struct wl_callback *callback, uint32_t time) +{ + struct nested_client *client = data; + + if (callback) + wl_callback_destroy(callback); + + callback = wl_surface_frame(client->surface); + wl_callback_add_listener(callback, &frame_listener, client); + + gles2_context_clear(client->ctx); + + gles2_context_render_triangle(client->ctx, time); + + gles2_context_swap(client->ctx); +} + +static void +registry_handle_global(void *data, struct wl_registry *registry, + uint32_t name, const char *interface, uint32_t version) +{ + struct nested_client *client = data; + + if (strcmp(interface, "wl_compositor") == 0) { + client->compositor = + wl_registry_bind(registry, name, + &wl_compositor_interface, 1); + } +} + +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 nested_client * +nested_client_create(void) +{ + struct nested_client *client; + + client = malloc(sizeof *client); + if (client == NULL) + return NULL; + + client->width = 250; + client->height = 250; + + client->display = wl_display_connect(NULL); + + client->registry = wl_display_get_registry(client->display); + wl_registry_add_listener(client->registry, + ®istry_listener, client); + + /* get globals */ + wl_display_roundtrip(client->display); + + client->ctx = gles2_context_create(client->display, NULL, NULL); + + client->surface = wl_compositor_create_surface(client->compositor); + + gles2_context_set_surface(client->ctx, client->surface, + client->width, client->height); + + frame_callback(client, NULL, 0); + + return client; +} + +static void +nested_client_destroy(struct nested_client *client) +{ + gles2_context_destroy(client->ctx); + + wl_surface_destroy(client->surface); + + if (client->compositor) + wl_compositor_destroy(client->compositor); + + wl_registry_destroy(client->registry); + wl_display_flush(client->display); + wl_display_disconnect(client->display); +} + +int +main(int argc, char **argv) +{ + struct nested_client *client; + int ret = 0; + + if (getenv("WAYLAND_SOCKET") == NULL) { + fprintf(stderr, + "must be run by nested, don't run standalone\n"); + return -1; + } + + client = nested_client_create(); + + while (ret != -1) + ret = wl_display_dispatch(client->display); + + nested_client_destroy(client); + + return 0; +} |