42 lines
2.0 KiB
C
42 lines
2.0 KiB
C
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/* $NetBSD: video_subr.h,v 1.1 2000/05/08 21:57:56 uch Exp $ */
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/*-
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* Copyright (c) 2000 UCHIYAMA Yasushi. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define LEGAL_CLUT_INDEX(x) ((x) >= 0 && (x) <= 255)
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#define RGB24(r, g, b) ((((r) << 24) & 0x00ff0000) | \
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(((g) << 16) & 0x0000ff00) | \
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(((b)) & 0x000000ff))
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int cmap_work_alloc __P((u_int8_t **, u_int8_t **, u_int8_t **,
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u_int32_t **, int));
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void cmap_work_free __P((u_int8_t *, u_int8_t *, u_int8_t *,
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u_int32_t *));
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void rgb24_compose __P((u_int32_t *, u_int8_t *, u_int8_t *, u_int8_t *,
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int));
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void rgb24_decompose __P((u_int32_t *, u_int8_t *, u_int8_t *,
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u_int8_t *, int));
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