e40ff9d8b7
Computes the vblank duration from mode timings. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1762>
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/*
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* Copyright (C) 2018 DisplayLink (UK) Ltd.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef META_KMS_UTILS_H
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#define META_KMS_UTILS_H
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#include <stddef.h>
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#include <stdint.h>
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#include <xf86drmMode.h>
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#include "core/util-private.h"
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typedef struct _MetaDrmFormatBuf
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{
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char s[5];
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} MetaDrmFormatBuf;
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META_EXPORT_TEST
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float meta_calculate_drm_mode_refresh_rate (const drmModeModeInfo *drm_mode);
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META_EXPORT_TEST
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int64_t meta_calculate_drm_mode_vblank_duration_us (const drmModeModeInfo *drm_mode);
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const char * meta_drm_format_to_string (MetaDrmFormatBuf *tmp,
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uint32_t drm_format);
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#endif /* META_KMS_UTILS_H */
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