/* * Mesa 3-D graphics library * Version: 3.5 * * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* * New (3.1) transformation code written by Keith Whitwell. */ #define COPY_FUNC( BITS ) \ static void TAG2(copy, BITS)( GLvector4f *to, const GLvector4f *f ) \ { \ GLfloat (*t)[4] = (GLfloat (*)[4])to->start; \ GLfloat *from = f->start; \ GLuint stride = f->stride; \ GLuint count = to->count; \ GLuint i; \ \ if (BITS) \ STRIDE_LOOP { \ if (BITS&1) t[i][0] = from[0]; \ if (BITS&2) t[i][1] = from[1]; \ if (BITS&4) t[i][2] = from[2]; \ if (BITS&8) t[i][3] = from[3]; \ } \ } /* We got them all here: */ COPY_FUNC( 0x0 ) /* noop */ COPY_FUNC( 0x1 ) COPY_FUNC( 0x2 ) COPY_FUNC( 0x3 ) COPY_FUNC( 0x4 ) COPY_FUNC( 0x5 ) COPY_FUNC( 0x6 ) COPY_FUNC( 0x7 ) COPY_FUNC( 0x8 ) COPY_FUNC( 0x9 ) COPY_FUNC( 0xa ) COPY_FUNC( 0xb ) COPY_FUNC( 0xc ) COPY_FUNC( 0xd ) COPY_FUNC( 0xe ) COPY_FUNC( 0xf ) static void TAG2(init_copy, 0)( void ) { _mesa_copy_tab[0x0] = TAG2(copy, 0x0); _mesa_copy_tab[0x1] = TAG2(copy, 0x1); _mesa_copy_tab[0x2] = TAG2(copy, 0x2); _mesa_copy_tab[0x3] = TAG2(copy, 0x3); _mesa_copy_tab[0x4] = TAG2(copy, 0x4); _mesa_copy_tab[0x5] = TAG2(copy, 0x5); _mesa_copy_tab[0x6] = TAG2(copy, 0x6); _mesa_copy_tab[0x7] = TAG2(copy, 0x7); _mesa_copy_tab[0x8] = TAG2(copy, 0x8); _mesa_copy_tab[0x9] = TAG2(copy, 0x9); _mesa_copy_tab[0xa] = TAG2(copy, 0xa); _mesa_copy_tab[0xb] = TAG2(copy, 0xb); _mesa_copy_tab[0xc] = TAG2(copy, 0xc); _mesa_copy_tab[0xd] = TAG2(copy, 0xd); _mesa_copy_tab[0xe] = TAG2(copy, 0xe); _mesa_copy_tab[0xf] = TAG2(copy, 0xf); }