X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmath%2Fm_xform.c;h=14d1c645379a47844ae5af33d832d53eeec808bf;hb=b66edff4355e27d97de750feceb0c0dd34b7719b;hp=7509a350d80671083148e5802fccab42a910ef63;hpb=5a9026c65d260dc185e072163999f5d810015108;p=mesa.git diff --git a/src/mesa/math/m_xform.c b/src/mesa/math/m_xform.c index 7509a350d80..14d1c645379 100644 --- a/src/mesa/math/m_xform.c +++ b/src/mesa/math/m_xform.c @@ -1,10 +1,7 @@ -/* $Id: m_xform.c,v 1.2 2000/11/17 21:01:49 brianp Exp $ */ - /* * Mesa 3-D graphics library - * Version: 3.5 * - * Copyright (C) 1999-2000 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2003 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"), @@ -19,9 +16,10 @@ * 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. + * THE AUTHORS OR COPYRIGHT HOLDERS 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. */ @@ -35,31 +33,37 @@ * 3. Transformation of a point p by a matrix M is: p' = M * p */ +#include "main/glheader.h" +#include "main/macros.h" -#include "glheader.h" -#include "macros.h" -#include "mmath.h" - +#include "m_eval.h" #include "m_matrix.h" #include "m_translate.h" #include "m_xform.h" -#ifdef DEBUG -#include "m_debug_xform.h" +#ifdef DEBUG_MATH +#include "m_debug.h" #endif #ifdef USE_X86_ASM -#include "X86/common_x86_asm.h" +#include "x86/common_x86_asm.h" +#endif + +#ifdef USE_X86_64_ASM +#include "x86-64/x86-64.h" +#endif + +#ifdef USE_SPARC_ASM +#include "sparc/sparc.h" #endif -clip_func gl_clip_tab[5]; -dotprod_func gl_dotprod_tab[2][5]; -vec_copy_func gl_copy_tab[2][0x10]; -normal_func gl_normal_tab[0xf][0x4]; -transform_func **(gl_transform_tab[2]); -static transform_func *cull_transform_tab[5]; -static transform_func *raw_transform_tab[5]; +clip_func _mesa_clip_tab[5]; +clip_func _mesa_clip_np_tab[5]; +dotprod_func _mesa_dotprod_tab[5]; +vec_copy_func _mesa_copy_tab[0x10]; +normal_func _mesa_normal_tab[0xf]; +transform_func *_mesa_transform_tab[5]; /* Raw data format used for: @@ -68,14 +72,14 @@ static transform_func *raw_transform_tab[5]; * - Eye-to-clip transform (via the function above). * - Cliptesting * - And everything else too, if culling happens to be disabled. + * + * GH: It's used for everything now, as clipping/culling is done + * elsewhere (most often by the driver itself). */ -#define TAG(x) x##_raw -#define TAG2(x,y) x##y##_raw -#define IDX 0 -#define STRIDE_LOOP for (i=0;istride; - const GLfloat *from = (GLfloat *)clip_vec->start; - const GLuint count = clip_vec->count; - GLfloat (*vProj)[4] = (GLfloat (*)[4])proj_vec->start; - GLuint i; - - for (i = 0 ; i < count ; i++, STRIDE_F(from, stride)) - { - GLfloat oow = 1.0F / from[3]; - vProj[i][3] = oow; - vProj[i][0] = from[0] * oow; - vProj[i][1] = from[1] * oow; - vProj[i][2] = from[2] * oow; - } - - proj_vec->flags |= VEC_SIZE_4; - proj_vec->size = 3; - proj_vec->count = clip_vec->count; - return proj_vec; -} - - - - - - -/* - * Transform a 4-element row vector (1x4 matrix) by a 4x4 matrix. This - * function is used for transforming clipping plane equations and spotlight - * directions. - * Mathematically, u = v * m. - * Input: v - input vector - * m - transformation matrix - * Output: u - transformed vector - */ -void gl_transform_vector( GLfloat u[4], const GLfloat v[4], const GLfloat m[16] ) -{ - GLfloat v0=v[0], v1=v[1], v2=v[2], v3=v[3]; -#define M(row,col) m[row + col*4] - u[0] = v0 * M(0,0) + v1 * M(1,0) + v2 * M(2,0) + v3 * M(3,0); - u[1] = v0 * M(0,1) + v1 * M(1,1) + v2 * M(2,1) + v3 * M(3,1); - u[2] = v0 * M(0,2) + v1 * M(1,2) + v2 * M(2,2) + v3 * M(3,2); - u[3] = v0 * M(0,3) + v1 * M(1,3) + v2 * M(2,3) + v3 * M(3,3); -#undef M -} - - -/* Useful for one-off point transformations, as in clipping. - * Note that because the matrix isn't analyzed we do too many - * multiplies, and that the result is always 4-clean. - */ -void gl_transform_point_sz( GLfloat Q[4], const GLfloat M[16], - const GLfloat P[4], GLuint sz ) -{ - if (Q == P) - return; - - if (sz == 4) - { - Q[0] = M[0] * P[0] + M[4] * P[1] + M[8] * P[2] + M[12] * P[3]; - Q[1] = M[1] * P[0] + M[5] * P[1] + M[9] * P[2] + M[13] * P[3]; - Q[2] = M[2] * P[0] + M[6] * P[1] + M[10] * P[2] + M[14] * P[3]; - Q[3] = M[3] * P[0] + M[7] * P[1] + M[11] * P[2] + M[15] * P[3]; - } - else if (sz == 3) - { - Q[0] = M[0] * P[0] + M[4] * P[1] + M[8] * P[2] + M[12]; - Q[1] = M[1] * P[0] + M[5] * P[1] + M[9] * P[2] + M[13]; - Q[2] = M[2] * P[0] + M[6] * P[1] + M[10] * P[2] + M[14]; - Q[3] = M[3] * P[0] + M[7] * P[1] + M[11] * P[2] + M[15]; - } - else if (sz == 2) - { - Q[0] = M[0] * P[0] + M[4] * P[1] + M[12]; - Q[1] = M[1] * P[0] + M[5] * P[1] + M[13]; - Q[2] = M[2] * P[0] + M[6] * P[1] + M[14]; - Q[3] = M[3] * P[0] + M[7] * P[1] + M[15]; - } - else if (sz == 1) - { - Q[0] = M[0] * P[0] + M[12]; - Q[1] = M[1] * P[0] + M[13]; - Q[2] = M[2] * P[0] + M[14]; - Q[3] = M[3] * P[0] + M[15]; - } -} /* * This is called only once. It initializes several tables with pointers * to optimized transformation functions. This is where we can test for - * AMD 3Dnow! capability, Intel Katmai, etc. and hook in the right code. + * AMD 3Dnow! capability, Intel SSE, etc. and hook in the right code. */ -void +void _math_init_transformation( void ) { - gl_transform_tab[0] = raw_transform_tab; - gl_transform_tab[1] = cull_transform_tab; - - init_c_transformations_raw(); - init_c_transformations_masked(); - init_c_norm_transform_raw(); - init_c_norm_transform_masked(); - init_c_cliptest_raw(); - init_copy0_raw(); - init_copy0_masked(); - init_dotprod_raw(); - init_dotprod_masked(); - -#ifdef DEBUG - gl_test_all_transform_functions( "default" ); - gl_test_all_normal_transform_functions( "default" ); + init_c_transformations(); + init_c_norm_transform(); + init_c_cliptest(); + init_copy0(); + init_dotprod(); + +#ifdef DEBUG_MATH + _math_test_all_transform_functions( "default" ); + _math_test_all_normal_transform_functions( "default" ); + _math_test_all_cliptest_functions( "default" ); #endif #ifdef USE_X86_ASM - gl_init_all_x86_transform_asm(); + _mesa_init_all_x86_transform_asm(); +#elif defined( USE_SPARC_ASM ) + _mesa_init_all_sparc_transform_asm(); +#elif defined( USE_X86_64_ASM ) + _mesa_init_all_x86_64_transform_asm(); #endif } - -void -_math_init( void ) -{ - _math_init_transformation(); - _math_init_translate(); - _math_init_vertices(); -}