0b91d22848
It means it can be included in places that assume cogl and everything it involves shouldn't be included, e.g. meta-renderer-native-gles3.c. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3304>
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
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* Copyright (C) 2020 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
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* Copyright (C) 2023 Collabora 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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include "common/meta-drm-format-helpers.h"
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#include <drm_fourcc.h>
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#include <glib.h>
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/**
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* meta_drm_format_to_string:
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* @tmp: temporary buffer
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* @drm_format: DRM fourcc pixel format
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*
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* Returns a pointer to a string naming the given pixel format,
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* usually a pointer to the temporary buffer but not always.
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* Invalid formats may return nonsense names.
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*
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* When calling this, allocate one MetaDrmFormatBuf on the stack to
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* be used as the temporary buffer.
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*/
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const char *
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meta_drm_format_to_string (MetaDrmFormatBuf *tmp,
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uint32_t drm_format)
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{
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int i;
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if (drm_format == DRM_FORMAT_INVALID)
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return "INVALID";
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G_STATIC_ASSERT (sizeof (tmp->s) == 5);
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for (i = 0; i < 4; i++)
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{
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char c = (drm_format >> (i * 8)) & 0xff;
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tmp->s[i] = g_ascii_isgraph (c) ? c : '.';
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}
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tmp->s[i] = 0;
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return tmp->s;
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}
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