1 /* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included 14 * in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 /* 26 * PentiumIII-SIMD (SSE) optimizations contributed by 27 * Andre Werthmann <wertmann (at) cs.uni-potsdam.de> 28 */ 29 30 #include "main/glheader.h" 31 #include "main/context.h" 32 #include "math/m_xform.h" 33 #include "tnl/t_context.h" 34 35 #include "sse.h" 36 #include "x86_xform.h" 37 38 #ifdef DEBUG_MATH 39 #include "math/m_debug.h" 40 #endif 41 42 43 #ifdef USE_SSE_ASM 44 DECLARE_XFORM_GROUP( sse, 2 ) 45 DECLARE_XFORM_GROUP( sse, 3 ) 46 47 #if 1 48 /* Some functions are not written in SSE-assembly, because the fpu ones are faster */ 49 extern void _mesa_sse_transform_normals_no_rot( NORM_ARGS ); 50 extern void _mesa_sse_transform_rescale_normals( NORM_ARGS ); 51 extern void _mesa_sse_transform_rescale_normals_no_rot( NORM_ARGS ); 52 53 extern void _mesa_sse_transform_points4_general( XFORM_ARGS ); 54 extern void _mesa_sse_transform_points4_3d( XFORM_ARGS ); 55 /* XXX this function segfaults, see below */ 56 extern void _mesa_sse_transform_points4_identity( XFORM_ARGS ); 57 /* XXX this one works, see below */ 58 extern void _mesa_x86_transform_points4_identity( XFORM_ARGS ); 59 #else 60 DECLARE_NORM_GROUP( sse ) 61 #endif 62 63 64 extern void 65 _mesa_v16_sse_general_xform( GLfloat *first_vert, 66 const GLfloat *m, 67 const GLfloat *src, 68 GLuint src_stride, 69 GLuint count ); 70 71 extern void 72 _mesa_sse_project_vertices( GLfloat *first, 73 GLfloat *last, 74 const GLfloat *m, 75 GLuint stride ); 76 77 extern void 78 _mesa_sse_project_clipped_vertices( GLfloat *first, 79 GLfloat *last, 80 const GLfloat *m, 81 GLuint stride, 82 const GLubyte *clipmask ); 83 #endif 84 85 86 void _mesa_init_sse_transform_asm( void ) 87 { 88 #ifdef USE_SSE_ASM 89 ASSIGN_XFORM_GROUP( sse, 2 ); 90 ASSIGN_XFORM_GROUP( sse, 3 ); 91 92 #if 1 93 /* TODO: Finish these off. 94 */ 95 _mesa_transform_tab[4][MATRIX_GENERAL] = 96 _mesa_sse_transform_points4_general; 97 _mesa_transform_tab[4][MATRIX_3D] = 98 _mesa_sse_transform_points4_3d; 99 /* XXX NOTE: _mesa_sse_transform_points4_identity segfaults with the 100 conformance tests, so use the x86 version. 101 */ 102 _mesa_transform_tab[4][MATRIX_IDENTITY] = 103 _mesa_x86_transform_points4_identity;/*_mesa_sse_transform_points4_identity;*/ 104 105 _mesa_normal_tab[NORM_TRANSFORM_NO_ROT] = 106 _mesa_sse_transform_normals_no_rot; 107 _mesa_normal_tab[NORM_TRANSFORM | NORM_RESCALE] = 108 _mesa_sse_transform_rescale_normals; 109 _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE] = 110 _mesa_sse_transform_rescale_normals_no_rot; 111 #else 112 ASSIGN_XFORM_GROUP( sse, 4 ); 113 114 ASSIGN_NORM_GROUP( sse ); 115 #endif 116 117 #ifdef DEBUG_MATH 118 _math_test_all_transform_functions( "SSE" ); 119 _math_test_all_normal_transform_functions( "SSE" ); 120 #endif 121 #endif 122 } 123 124
