89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
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/*
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* Copyright © 2014 NVIDIA Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <errno.h>
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#include <string.h>
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#include "libkms-test.h"
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static void kms_screen_probe(struct kms_screen *screen)
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{
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struct kms_device *device = screen->device;
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drmModeConnector *con;
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con = drmModeGetConnector(device->fd, screen->id);
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if (!con)
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return;
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screen->type = con->connector_type;
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if (con->connection == DRM_MODE_CONNECTED)
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screen->connected = true;
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else
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screen->connected = false;
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memcpy(&screen->mode, &con->modes[0], sizeof(drmModeModeInfo));
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screen->width = screen->mode.hdisplay;
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screen->height = screen->mode.vdisplay;
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drmModeFreeConnector(con);
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}
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struct kms_screen *kms_screen_create(struct kms_device *device, uint32_t id)
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{
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struct kms_screen *screen;
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screen = calloc(1, sizeof(*screen));
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if (!screen)
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return NULL;
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screen->device = device;
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screen->id = id;
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kms_screen_probe(screen);
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return screen;
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}
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void kms_screen_free(struct kms_screen *screen)
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{
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if (screen)
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free(screen->name);
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free(screen);
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}
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int kms_screen_set(struct kms_screen *screen, struct kms_crtc *crtc,
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struct kms_framebuffer *fb)
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{
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struct kms_device *device = screen->device;
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int err;
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err = drmModeSetCrtc(device->fd, crtc->id, fb->id, 0, 0, &screen->id,
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1, &screen->mode);
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if (err < 0)
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return -errno;
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return 0;
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}
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