exmaples: Remove an example 'wl-backend'

The 'wl-backend' is no longer necessary.

Change-Id: I98421fc0ae02f65693468ea013a24320092a4bda

diff --git a/examples/meson.build b/examples/meson.build
index 87d8654..dcfed15 100644 (file)
--- a/examples/meson.build
+++ b/examples/meson.build
@@ -3,13 +3,6 @@ common_deps = [
   dependency('wayland-server', required: true),
 ]
 
-executable('wl-backend',
-  'wl-backend.c',
-  dependencies: common_deps,
-  install_dir: libds_bindir,
-  install : true
-)
-
 executable('tinyds',
   [
     'tinyds.c',

diff --git a/examples/wl-backend.c b/examples/wl-backend.c
deleted file mode 100644 (file)
index 38dea1b..0000000
--- a/examples/wl-backend.c
+++ /dev/null
@@ -1,226 +0,0 @@
-#include <assert.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <signal.h>
-
-#include <wayland-server.h>
-#include <libds/log.h>
-#include <libds/backend.h>
-#include <libds/allocator/shm.h>
-#include <libds/backend/wayland.h>
-#include <libds/swapchain.h>
-#include <libds/compositor.h>
-
-#define WIDTH   700
-#define HEIGHT  400
-
-struct server
-{
-    struct ds_backend *backend;
-    struct ds_output *output;
-    struct ds_allocator *allocator;
-    struct ds_swapchain *swapchain;
-    struct ds_buffer *front_buffer;
-
-    struct wl_display *display;
-
-    struct {
-        struct wl_listener output_destroy;
-        struct wl_listener output_frame;
-    } listener;
-
-    int width, height;
-};
-
-struct server _server;
-
-static void init_server(struct server *server, struct wl_display *display);
-static void fini_server(struct server *server);
-static void output_handle_destroy(struct wl_listener *listener, void *data);
-static void output_handle_frame(struct wl_listener *listener, void *data);
-static void draw_output(struct server *server);
-
-int
-main(void)
-{
-    struct server *server = &_server;
-    struct wl_display *display;
-
-    ds_log_init(DS_DBG, NULL);
-
-    display = wl_display_create();
-    assert(display);
-
-    server->width = WIDTH;
-    server->height = HEIGHT;
-
-    init_server(server, display);
-
-    server->listener.output_destroy.notify = output_handle_destroy;
-    ds_output_add_destroy_listener(server->output,
-            &server->listener.output_destroy);
-
-    server->listener.output_frame.notify = output_handle_frame;
-    ds_output_add_frame_listener(server->output,
-            &server->listener.output_frame);
-
-    ds_backend_start(server->backend);
-
-    draw_output(server);
-
-    wl_display_run(server->display);
-
-    fini_server(server);
-    wl_display_destroy(display);
-    return 0;
-}
-
-static struct ds_backend *
-create_backend_auto(struct wl_display *display)
-{
-    struct ds_backend *backend = NULL;
-    char name[512];
-    int i;
-
-    for (i = 0; i < 5; i++) {
-        snprintf(name, sizeof name, "wayland-%d", i);
-        backend = ds_wl_backend_create(display, name);
-        if (backend)
-            break;
-    }
-
-    return backend;
-}
-
-static void
-init_server(struct server *server, struct wl_display *display)
-{
-    server->display = display;
-
-    server->backend = create_backend_auto(display);
-    assert(server->backend);
-
-    server->allocator = ds_shm_allocator_create();
-    assert(server->allocator);
-
-    server->swapchain = ds_swapchain_create(server->allocator,
-            server->width, server->height, WL_SHM_FORMAT_XRGB8888);
-    assert(server->swapchain);
-
-    server->output =
-        ds_wl_backend_create_output(server->backend);
-    assert(server->output);
-}
-
-static void
-fini_server(struct server *server)
-{
-    ds_buffer_unlock(server->front_buffer);
-    ds_swapchain_destroy(server->swapchain);
-    ds_allocator_destroy(server->allocator);
-}
-
-static void
-paint_pixels(void *image, int padding, int width, int height, uint32_t time)
-{
-       const int halfh = padding + (height - padding * 2) / 2;
-       const int halfw = padding + (width - padding * 2) / 2;
-       int ir, or;
-       uint32_t *pixel = image;
-       int y;
-
-       /* squared radii thresholds */
-       or = (halfw < halfh ? halfw : halfh) - 8;
-       ir = or - 32;
-       or *= or;
-       ir *= ir;
-
-       pixel += padding * width;
-       for (y = padding; y < height - padding; y++) {
-               int x;
-               int y2 = (y - halfh) * (y - halfh);
-
-               pixel += padding;
-               for (x = padding; x < width - padding; x++) {
-                       uint32_t v;
-
-                       /* squared distance from center */
-                       int r2 = (x - halfw) * (x - halfw) + y2;
-
-                       if (r2 < ir)
-                               v = (r2 / 32 + time / 64) * 0x0080401;
-                       else if (r2 < or)
-                               v = (y + time / 32) * 0x0080401;
-                       else
-                               v = (x + time / 16) * 0x0080401;
-                       v &= 0x00ffffff;
-
-                       /* cross if compositor uses X from XRGB as alpha */
-                       if (abs(x - y) > 6 && abs(x + y - height) > 6)
-                               v |= 0xff000000;
-
-                       *pixel++ = v;
-               }
-
-               pixel += padding;
-       }
-}
-
-static inline int64_t                                       
-timespec_to_msec(const struct timespec *a)                  
-{                                                           
-    return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
-}                                                           
-
-static void
-output_handle_destroy(struct wl_listener *listener,
-        void *data __attribute__((unused)))
-{
-    struct server *server =
-        wl_container_of(listener, server, listener.output_destroy);
-    wl_display_terminate(server->display);
-}
-
-static void
-output_handle_frame(struct wl_listener *listener,
-        void *data __attribute__((unused)))
-{
-    struct server *server =
-        wl_container_of(listener, server, listener.output_frame);
-    draw_output(server);
-}
-
-static void
-draw_output(struct server *server)
-{
-    struct ds_buffer *buffer;
-    void *data;
-    uint32_t format;
-    size_t stride;
-    struct timespec now;                 
-    uint32_t frame_time_msec;
-
-    ds_dbg("Redraw output");
-
-    clock_gettime(CLOCK_MONOTONIC, &now);
-    frame_time_msec = timespec_to_msec(&now);
-
-    buffer = ds_swapchain_acquire(server->swapchain, NULL);
-    assert(buffer);
-
-    assert(ds_buffer_begin_data_ptr_access(buffer,
-                0, &data, &format, &stride) == true);
-
-    paint_pixels(data, 20, server->width, server->height, frame_time_msec);
-
-    ds_buffer_end_data_ptr_access(buffer);
-
-    ds_output_attach_buffer(server->output, buffer);
-    ds_output_commit(server->output);
-
-    if (server->front_buffer)
-        ds_buffer_unlock(server->front_buffer);
-
-    server->front_buffer = buffer;
-}