C++ (Cpp) uterm_video_wake_up示例

示例#1

文件： main.c 项目： mdlh/kmscon

static bool vt_switch(struct kmscon_vt *vt,
			enum kmscon_vt_action action,
			void *data)
{
	struct kmscon_app *app = data;
	int ret;

	if (action == KMSCON_VT_ENTER) {
		ret = uterm_video_wake_up(app->video);
		if (ret) {
			log_err("cannot wake-up video system");
		} else {
			kmscon_input_wake_up(app->input);
		}
	} else if (action == KMSCON_VT_LEAVE) {
		kmscon_input_sleep(app->input);
		uterm_video_sleep(app->video);
		if (app->exit)
			ev_eloop_exit(app->vt_eloop);
	}

	return true;
}

示例#2

文件： test_output.c 项目： larsks/kmscon

int main(int argc, char **argv)
{
	struct uterm_video *video;
	int ret;
	const char *node;
	const struct uterm_video_module *mode;
	size_t onum;

	onum = sizeof(options) / sizeof(*options);
	ret = test_prepare(options, onum, argc, argv, &eloop);
	if (ret)
		goto err_fail;

	if (output_conf.fbdev) {
		mode = UTERM_VIDEO_FBDEV;
		node = "/dev/fb0";
	} else {
		mode = UTERM_VIDEO_DRM3D;
		node = "/dev/dri/card0";
	}

	if (output_conf.dev)
		node = output_conf.dev;

	log_notice("Creating video object using %s...", node);

	ret = uterm_video_new(&video, eloop, node, mode);
	if (ret) {
		if (mode == UTERM_VIDEO_DRM3D) {
			log_notice("cannot create drm device; trying drm2d mode");
			ret = uterm_video_new(&video, eloop, node,
					      UTERM_VIDEO_DRM2D);
			if (ret)
				goto err_exit;
		} else {
			goto err_exit;
		}
	}

	log_notice("Wakeing up video object...");
	ret = uterm_video_wake_up(video);
	if (ret < 0)
		goto err_unref;

	if (!output_conf.test) {
		ret = list_outputs(video);
		if (ret) {
			log_err("Cannot list outputs: %d", ret);
			goto err_unref;
		}
	} else {
		ret = blit_outputs(video);
		if (ret) {
			log_err("Cannot set outputs: %d", ret);
			goto err_unref;
		}
	}

err_unref:
	uterm_video_unref(video);
err_exit:
	test_exit(options, onum, eloop);
err_fail:
	if (ret != -ECANCELED)
		test_fail(ret);
	return abs(ret);
}

示例#3

文件： test_output.c 项目： myra/kmscon

int main(int argc, char **argv)
{
	struct uterm_video *video;
	int ret;
	unsigned int mode;
	const char *node;

	ret = test_prepare(argc, argv, &eloop);
	if (ret)
		goto err_fail;

	if (conf_global.use_fbdev) {
		mode = UTERM_VIDEO_FBDEV;
		node = "/dev/fb0";
	} else {
		mode = UTERM_VIDEO_DRM;
		node = "/dev/dri/card0";
	}

	log_notice("Creating video object using %s...", node);

	ret = uterm_video_new(&video, eloop, mode, node);
	if (ret) {
		if (mode == UTERM_VIDEO_DRM) {
			log_notice("cannot create drm device; trying dumb drm mode");
			ret = uterm_video_new(&video, eloop,
					      UTERM_VIDEO_DUMB, node);
			if (ret)
				goto err_exit;
		} else {
			goto err_exit;
		}
	}

	log_notice("Wakeing up video object...");
	ret = uterm_video_wake_up(video);
	if (ret < 0)
		goto err_unref;

	if (argc < 2) {
		ret = list_outputs(video);
		if (ret) {
			log_err("Cannot list outputs: %d", ret);
			goto err_unref;
		}
	} else {
		ret = uterm_video_use(video);
		if (ret)
			ret = blit_outputs(video);
		else
			ret = set_outputs(video);

		if (ret) {
			log_err("Cannot set outputs: %d", ret);
			goto err_unref;
		}
	}

err_unref:
	uterm_video_unref(video);
err_exit:
	test_exit(eloop);
err_fail:
	test_fail(ret);
	return abs(ret);
}