1 2 /* 3 * Mesa 3-D graphics library 4 * 5 * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * 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 ) \ 32 static 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 */ 51 COPY_FUNC( 0x0 ) /* noop */ 52 COPY_FUNC( 0x1 ) 53 COPY_FUNC( 0x2 ) 54 COPY_FUNC( 0x3 ) 55 COPY_FUNC( 0x4 ) 56 COPY_FUNC( 0x5 ) 57 COPY_FUNC( 0x6 ) 58 COPY_FUNC( 0x7 ) 59 COPY_FUNC( 0x8 ) 60 COPY_FUNC( 0x9 ) 61 COPY_FUNC( 0xa ) 62 COPY_FUNC( 0xb ) 63 COPY_FUNC( 0xc ) 64 COPY_FUNC( 0xd ) 65 COPY_FUNC( 0xe ) 66 COPY_FUNC( 0xf ) 67 68 static 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