static int blit_outputs(struct uterm_video *video)
{
struct uterm_display *iter;
int j, ret;
struct uterm_screen *screen;
j = 0;
iter = uterm_video_get_displays(video);
for ( ; iter; iter = uterm_display_next(iter)) {
log_notice("Activating display %d %p...", j, iter);
ret = uterm_display_activate(iter, NULL);
if (ret)
log_err("Cannot activate display %d: %d", j, ret);
else
log_notice("Successfully activated display %d", j);
ret = uterm_display_set_dpms(iter, UTERM_DPMS_ON);
if (ret)
log_err("Cannot set DPMS to ON: %d", ret);
++j;
}
iter = uterm_video_get_displays(video);
for ( ; iter; iter = uterm_display_next(iter)) {
if (uterm_display_get_state(iter) != UTERM_DISPLAY_ACTIVE)
continue;
ret = uterm_screen_new_single(&screen, iter);
if (ret) {
log_err("Cannot create temp-screen object: %d", ret);
continue;
}
ret = uterm_screen_fill(screen, 0xff, 0xff, 0xff, 0, 0,
uterm_screen_width(screen),
uterm_screen_height(screen));
if (ret) {
log_err("cannot fill framebuffer");
uterm_screen_unref(screen);
continue;
}
ret = uterm_screen_swap(screen);
if (ret) {
log_err("Cannot swap screen: %d", ret);
uterm_screen_unref(screen);
continue;
}
log_notice("Successfully set screen on display %p", iter);
uterm_screen_unref(screen);
}
log_notice("Waiting 5 seconds...");
ev_eloop_run(eloop, 5000);
log_notice("Exiting...");
return 0;
}
static int set_outputs(struct uterm_video *video)
{
struct uterm_display *iter;
int j, ret;
struct gl_shader *shader;
struct uterm_screen *screen;
ret = gl_shader_new(&shader);
if (ret) {
log_err("Cannot create shader: %d", ret);
return ret;
}
j = 0;
iter = uterm_video_get_displays(video);
for ( ; iter; iter = uterm_display_next(iter)) {
log_notice("Activating display %d %p...", j, iter);
ret = uterm_display_activate(iter, NULL);
if (ret)
log_err("Cannot activate display %d: %d", j, ret);
else
log_notice("Successfully activated display %d", j);
ret = uterm_display_set_dpms(iter, UTERM_DPMS_ON);
if (ret)
log_err("Cannot set DPMS to ON: %d", ret);
++j;
}
iter = uterm_video_get_displays(video);
for ( ; iter; iter = uterm_display_next(iter)) {
if (uterm_display_get_state(iter) != UTERM_DISPLAY_ACTIVE)
continue;
ret = uterm_screen_new_single(&screen, iter);
if (ret) {
log_err("Cannot create temp-screen object: %d", ret);
continue;
}
ret = uterm_screen_use(screen);
if (ret) {
log_err("Cannot use screen: %d", ret);
uterm_screen_unref(screen);
continue;
}
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glViewport(0, 0,
uterm_screen_width(screen),
uterm_screen_height(screen));
gl_shader_draw_def(shader, d_vert, d_col, 6);
if (gl_has_error())
log_err("GL error occurred");
ret = uterm_screen_swap(screen);
if (ret) {
log_err("Cannot swap screen: %d", ret);
uterm_screen_unref(screen);
continue;
}
log_notice("Successfully set screen on display %p", iter);
uterm_screen_unref(screen);
}
log_notice("Waiting 5 seconds...");
ev_eloop_run(eloop, 5000);
log_notice("Exiting...");
gl_shader_unref(shader);
return 0;
}