13a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 23a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org/* 33a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Mesa 3-D graphics library 43a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Version: 3.5 53a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 63a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. 73a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 83a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 93a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * copy of this software and associated documentation files (the "Software"), 103a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * to deal in the Software without restriction, including without limitation 113a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * the rights to use, copy, modify, merge, publish, distribute, sublicense, 123a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * and/or sell copies of the Software, and to permit persons to whom the 133a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * Software is furnished to do so, subject to the following conditions: 143a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 153a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * The above copyright notice and this permission notice shall be included 163a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * in all copies or substantial portions of the Software. 173a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * 183a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 193a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 203a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 213a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 223a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 233a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 243a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org */ 253a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 263a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org/* 273a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org * New (3.1) transformation code written by Keith Whitwell. 283a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org */ 293a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 303a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 313a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org/* Note - respects the stride of the output vector. 323a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org */ 333a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstatic void TAG(dotprod_vec2)( GLfloat *out, 343a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLuint outstride, 353a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const GLvector4f *coord_vec, 363a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const GLfloat plane[4] ) 373a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org{ 383a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLuint stride = coord_vec->stride; 393a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLfloat *coord = coord_vec->start; 403a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLuint count = coord_vec->count; 413a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 423a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLuint i; 433a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 443a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const GLfloat plane0 = plane[0], plane1 = plane[1], plane3 = plane[3]; 453a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 463a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(out,outstride)) { 473a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org *out = (coord[0] * plane0 + 483a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org coord[1] * plane1 + 493a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org plane3); 503a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org } 513a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org} 523a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 533a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstatic void TAG(dotprod_vec3)( GLfloat *out, 543a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLuint outstride, 553a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const GLvector4f *coord_vec, 563a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const GLfloat plane[4] ) 573a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org{ 583a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLuint stride = coord_vec->stride; 593a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLfloat *coord = coord_vec->start; 603a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLuint count = coord_vec->count; 613a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 623a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLuint i; 633a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 643a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const GLfloat plane0 = plane[0], plane1 = plane[1], plane2 = plane[2]; 653a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const GLfloat plane3 = plane[3]; 663a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 673a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(out,outstride)) { 683a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org *out = (coord[0] * plane0 + 693a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org coord[1] * plane1 + 703a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org coord[2] * plane2 + 713a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org plane3); 723a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org } 733a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org} 743a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 753a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstatic void TAG(dotprod_vec4)( GLfloat *out, 763a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLuint outstride, 773a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const GLvector4f *coord_vec, 783a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const GLfloat plane[4] ) 793a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org{ 803a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLuint stride = coord_vec->stride; 813a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLfloat *coord = coord_vec->start; 823a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLuint count = coord_vec->count; 833a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org GLuint i; 843a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 853a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const GLfloat plane0 = plane[0], plane1 = plane[1], plane2 = plane[2]; 863a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org const GLfloat plane3 = plane[3]; 873a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 883a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(out,outstride)) { 893a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org *out = (coord[0] * plane0 + 903a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org coord[1] * plane1 + 913a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org coord[2] * plane2 + 923a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org coord[3] * plane3); 933a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org } 943a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org} 953a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 963a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org 973a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.orgstatic void TAG(init_dotprod)( void ) 983a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org{ 993a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org _mesa_dotprod_tab[2] = TAG(dotprod_vec2); 1003a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org _mesa_dotprod_tab[3] = TAG(dotprod_vec3); 1013a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org _mesa_dotprod_tab[4] = TAG(dotprod_vec4); 1023a0db227ffe90888ad760c61a63226988c974e0apatrick@chromium.org} 103