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/*
* 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;
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;
}
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