| |
| /* |
| * 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); |
| } |
