/*

 * Copyright © 2014 NVIDIA Corporation

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice (including the next

 * paragraph) shall be included in all copies or substantial portions of the

 * Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS

 * IN THE SOFTWARE.

 */

#include <errno.h>

#include <string.h>

#include "libkms-test.h"

static void kms_screen_probe(struct kms_screen *screen)

{

	struct kms_device *device = screen->device;

	drmModeConnector *con;

	con = drmModeGetConnector(device->fd, screen->id);

	if (!con)

		return;

	screen->type = con->connector_type;

	if (con->connection == DRM_MODE_CONNECTED)

		screen->connected = true;

	else

		screen->connected = false;

	if (con->modes)

		memcpy(&screen->mode, &con->modes[0], sizeof(drmModeModeInfo));

	screen->width = screen->mode.hdisplay;

	screen->height = screen->mode.vdisplay;

	drmModeFreeConnector(con);

}

struct kms_screen *kms_screen_create(struct kms_device *device, uint32_t id)

{

	struct kms_screen *screen;

	screen = calloc(1, sizeof(*screen));

	if (!screen)

		return NULL;

	screen->device = device;

	screen->id = id;

	kms_screen_probe(screen);

	return screen;

}

void kms_screen_free(struct kms_screen *screen)

{

	if (screen)

		free(screen->name);

	free(screen);

}

int kms_screen_set(struct kms_screen *screen, struct kms_crtc *crtc,

		   struct kms_framebuffer *fb)

{

	struct kms_device *device = screen->device;

	int err;

	err = drmModeSetCrtc(device->fd, crtc->id, fb->id, 0, 0, &screen->id,

			     1, &screen->mode);

	if (err < 0)

		return -errno;

	return 0;

}