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Use cairo-gl in clients

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This commit is contained in:
Kristian Høgsberg 2010-06-08 14:08:30 -04:00
parent 2cdc18452e
commit a85fe3cf45
5 changed files with 204 additions and 99 deletions
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67
clients/flower.c
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@ -31,10 +31,10 @@
#include <time.h>
#include <cairo.h>
#include <glib.h>
#include <cairo-drm.h>
#include "wayland-client.h"
#include "wayland-glib.h"
#include "window.h"
static const char gem_device[] = "/dev/dri/card0";
static const char socket_name[] = "\0wayland";
@ -96,49 +96,34 @@ draw_stuff(cairo_surface_t *surface, int width, int height)
}
struct flower {
struct wl_compositor *compositor;
struct wl_surface *surface;
struct window *window;
int x, y, width, height;
int offset;
};
static void
handle_acknowledge(void *data,
struct wl_compositor *compositor,
uint32_t key, uint32_t frame)
{
}
static void
handle_frame(void *data,
struct wl_compositor *compositor,
uint32_t frame, uint32_t timestamp)
handle_frame(struct window *window,
uint32_t frame, uint32_t timestamp, void *data)
{
struct flower *flower = data;
wl_surface_map(flower->surface,
flower->x + cos((flower->offset + timestamp) / 400.0) * 400 - flower->width / 2,
flower->y + sin((flower->offset + timestamp) / 320.0) * 300 - flower->height / 2,
flower->width, flower->height);
wl_compositor_commit(flower->compositor, 0);
window_move(flower->window,
flower->x + cos((flower->offset + timestamp) / 400.0) * 400 - flower->width / 2,
flower->y + sin((flower->offset + timestamp) / 320.0) * 300 - flower->height / 2);
window_commit(flower->window, 0);
}
static const struct wl_compositor_listener compositor_listener = {
handle_acknowledge,
handle_frame,
};
int main(int argc, char *argv[])
{
struct wl_display *display;
struct wl_visual *visual;
int fd;
cairo_device_t *device;
cairo_surface_t *s;
struct timespec ts;
GMainLoop *loop;
GSource *source;
struct flower flower;
struct display *d;
fd = open(gem_device, O_RDWR);
if (fd < 0) {
@ -154,40 +139,34 @@ int main(int argc, char *argv[])
return -1;
}
d = display_create(display, fd);
source = wl_glib_source_new(display);
g_source_attach(source, NULL);
/* Process connection events. */
wl_display_iterate(display, WL_DISPLAY_READABLE);
flower.compositor = wl_display_get_compositor(display);
flower.x = 512;
flower.y = 384;
flower.width = 200;
flower.height = 200;
flower.surface = wl_compositor_create_surface(flower.compositor);
flower.window = window_create(d, "flower", flower.x, flower.y,
flower.width, flower.height);
clock_gettime(CLOCK_MONOTONIC, &ts);
srandom(ts.tv_nsec);
flower.offset = random();
device = cairo_drm_device_get_for_fd(fd);
s = cairo_drm_surface_create(device,
CAIRO_CONTENT_COLOR_ALPHA,
flower.width, flower.height);
window_draw(flower.window);
s = window_get_surface(flower.window);
if (s == NULL || cairo_surface_status (s) != CAIRO_STATUS_SUCCESS) {
fprintf(stderr, "failed to create cairo drm surface\n");
return -1;
}
draw_stuff(s, flower.width, flower.height);
cairo_surface_flush(s);
visual = wl_display_get_premultiplied_argb_visual(display);
wl_surface_attach(flower.surface,
cairo_drm_surface_get_name(s),
flower.width, flower.height,
cairo_drm_surface_get_stride(s),
visual);
wl_compositor_add_listener(flower.compositor,
&compositor_listener, &flower);
wl_compositor_commit(flower.compositor, 0);
window_set_frame_handler(flower.window, handle_frame, &flower);
window_commit(flower.window, 0);
g_main_loop_run(loop);