test_loop_speed_inversetransform(void)
{
struct weston_matrix m;
struct inverse_matrix inv;
struct weston_vector v = { { 0.5, 0.5, 0.5, 1.0 } };
unsigned long count = 0;
double t;
printf("\nRunning 3 s test on inverse_transform()...\n");
weston_matrix_init(&m);
matrix_invert(inv.LU, inv.perm, &m);
running = 1;
alarm(3);
reset_timer();
while (running) {
inverse_transform(inv.LU, inv.perm, v.f);
count++;
}
t = read_timer();
printf("%lu iterations in %f seconds, avg. %.1f ns/iter.\n",
count, t, 1e9 * t / count);
}
static void
slide_frame(struct weston_surface_animation *animation)
{
float scale;
scale = animation->start +
(animation->stop - animation->start) *
animation->spring.current;
weston_matrix_init(&animation->transform.matrix);
weston_matrix_translate(&animation->transform.matrix, 0, scale, 0);
}
static void
zoom_frame(struct weston_surface_animation *animation)
{
struct weston_surface *es = animation->surface;
float scale;
scale = animation->start +
(animation->stop - animation->start) *
animation->spring.current;
weston_matrix_init(&animation->transform.matrix);
weston_matrix_translate(&animation->transform.matrix,
-0.5f * es->geometry.width,
-0.5f * es->geometry.height, 0);
weston_matrix_scale(&animation->transform.matrix, scale, scale, scale);
weston_matrix_translate(&animation->transform.matrix,
0.5f * es->geometry.width,
0.5f * es->geometry.height, 0);
es->alpha = animation->spring.current;
if (es->alpha > 1.0)
es->alpha = 1.0;
}
test_loop_speed_invert_explicit(void)
{
struct weston_matrix m;
unsigned long count = 0;
double t;
printf("\nRunning 3 s test on weston_matrix_invert()...\n");
weston_matrix_init(&m);
running = 1;
alarm(3);
reset_timer();
while (running) {
weston_matrix_invert(&m, &m);
count++;
}
t = read_timer();
printf("%lu iterations in %f seconds, avg. %.1f ns/iter.\n",
count, t, 1e9 * t / count);
}
static struct weston_surface_animation *
weston_surface_animation_run(struct weston_surface *surface,
float start, float stop,
weston_surface_animation_frame_func_t frame,
weston_surface_animation_done_func_t done,
void *data)
{
struct weston_surface_animation *animation;
animation = malloc(sizeof *animation);
if (!animation)
return NULL;
animation->surface = surface;
animation->frame = frame;
animation->done = done;
animation->data = data;
animation->start = start;
animation->stop = stop;
weston_matrix_init(&animation->transform.matrix);
wl_list_insert(&surface->geometry.transformation_list,
&animation->transform.link);
weston_spring_init(&animation->spring, 200.0, 0.0, 1.0);
animation->spring.friction = 700;
animation->animation.frame_counter = 0;
animation->animation.frame = weston_surface_animation_frame;
weston_surface_animation_frame(&animation->animation, NULL, 0);
animation->listener.notify = handle_animation_surface_destroy;
wl_signal_add(&surface->destroy_signal, &animation->listener);
wl_list_insert(&surface->output->animation_list,
&animation->animation.link);
return animation;
}
void Transform::reset()
{
weston_matrix_init(&m_transform.matrix);
}
