3 * Mesa 3-D graphics library
6 * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
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:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
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.
27 * New (3.1) transformation code written by Keith Whitwell.
31 #define COPY_FUNC( BITS ) \
32 static void TAG2(copy, BITS)( GLvector4f *to, const GLvector4f *f ) \
34 GLfloat (*t)[4] = (GLfloat (*)[4])to->start; \
35 GLfloat *from = f->start; \
36 GLuint stride = f->stride; \
37 GLuint count = to->count; \
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]; \
49 /* We got them all here:
51 COPY_FUNC( 0x0 ) /* noop */
68 static void TAG2(init_copy
, 0)( void )
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);