1
2/*
3 * Mesa 3-D graphics library
4 * Version:  3.5
5 *
6 * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26/*
27 * New (3.1) transformation code written by Keith Whitwell.
28 */
29
30
31#define COPY_FUNC( BITS )						\
32static void TAG2(copy, BITS)( GLvector4f *to, const GLvector4f *f )	\
33{									\
34   GLfloat (*t)[4] = (GLfloat (*)[4])to->start;				\
35   GLfloat *from = f->start;						\
36   GLuint stride = f->stride;				        	\
37   GLuint count = to->count;						\
38   GLuint i;								\
39									\
40   if (BITS)								\
41      STRIDE_LOOP {							\
42	 if (BITS&1) t[i][0] = from[0];					\
43	 if (BITS&2) t[i][1] = from[1];					\
44	 if (BITS&4) t[i][2] = from[2];					\
45	 if (BITS&8) t[i][3] = from[3];					\
46      }									\
47}
48
49/* We got them all here:
50 */
51COPY_FUNC( 0x0 )		/* noop */
52COPY_FUNC( 0x1 )
53COPY_FUNC( 0x2 )
54COPY_FUNC( 0x3 )
55COPY_FUNC( 0x4 )
56COPY_FUNC( 0x5 )
57COPY_FUNC( 0x6 )
58COPY_FUNC( 0x7 )
59COPY_FUNC( 0x8 )
60COPY_FUNC( 0x9 )
61COPY_FUNC( 0xa )
62COPY_FUNC( 0xb )
63COPY_FUNC( 0xc )
64COPY_FUNC( 0xd )
65COPY_FUNC( 0xe )
66COPY_FUNC( 0xf )
67
68static void TAG2(init_copy, 0)( void )
69{
70   _mesa_copy_tab[0x0] = TAG2(copy, 0x0);
71   _mesa_copy_tab[0x1] = TAG2(copy, 0x1);
72   _mesa_copy_tab[0x2] = TAG2(copy, 0x2);
73   _mesa_copy_tab[0x3] = TAG2(copy, 0x3);
74   _mesa_copy_tab[0x4] = TAG2(copy, 0x4);
75   _mesa_copy_tab[0x5] = TAG2(copy, 0x5);
76   _mesa_copy_tab[0x6] = TAG2(copy, 0x6);
77   _mesa_copy_tab[0x7] = TAG2(copy, 0x7);
78   _mesa_copy_tab[0x8] = TAG2(copy, 0x8);
79   _mesa_copy_tab[0x9] = TAG2(copy, 0x9);
80   _mesa_copy_tab[0xa] = TAG2(copy, 0xa);
81   _mesa_copy_tab[0xb] = TAG2(copy, 0xb);
82   _mesa_copy_tab[0xc] = TAG2(copy, 0xc);
83   _mesa_copy_tab[0xd] = TAG2(copy, 0xd);
84   _mesa_copy_tab[0xe] = TAG2(copy, 0xe);
85   _mesa_copy_tab[0xf] = TAG2(copy, 0xf);
86}
87