swc

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mode.c (1644B)


      1 /* swc: libswc/mode.c
      2  *
      3  * Copyright (c) 2013 Michael Forney
      4  *
      5  * Permission is hereby granted, free of charge, to any person obtaining a copy
      6  * of this software and associated documentation files (the "Software"), to deal
      7  * in the Software without restriction, including without limitation the rights
      8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      9  * copies of the Software, and to permit persons to whom the Software is
     10  * furnished to do so, subject to the following conditions:
     11  *
     12  * The above copyright notice and this permission notice shall be included in
     13  * all copies or substantial portions of the Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     21  * SOFTWARE.
     22  */
     23 
     24 #include "mode.h"
     25 
     26 bool
     27 mode_initialize(struct mode *mode, drmModeModeInfo *mode_info)
     28 {
     29 	mode->width = mode_info->hdisplay;
     30 	mode->height = mode_info->vdisplay;
     31 	mode->refresh = mode_info->vrefresh * 1000;
     32 	mode->preferred = mode_info->type & DRM_MODE_TYPE_PREFERRED;
     33 	mode->info = *mode_info;
     34 	return true;
     35 }
     36 
     37 bool
     38 mode_equal(const struct mode *mode1, const struct mode *mode2)
     39 {
     40 	return mode1->width == mode2->width
     41 	    && mode1->height == mode2->height
     42 	    && mode1->refresh == mode2->refresh;
     43 }