-/* $Id: m_xform.c,v 1.15 2002/04/09 14:58:04 keithw Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.5
+ * Version: 5.1
*
- * Copyright (C) 1999-2001 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"),
* 3. Transformation of a point p by a matrix M is: p' = M * p
*/
-#include <math.h>
-
-#include "glheader.h"
-#include "macros.h"
-#include "mmath.h"
+#include "main/glheader.h"
+#include "main/macros.h"
#include "m_eval.h"
#include "m_matrix.h"
#include "m_translate.h"
#include "m_xform.h"
-#include "mathmod.h"
-#ifdef DEBUG
+#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"
+#include "sparc/sparc.h"
+#endif
+
+#ifdef USE_PPC_ASM
+#include "ppc/common_ppc_features.h"
#endif
clip_func _mesa_clip_tab[5];
#undef ARGS
-
-
-GLvector4f *_mesa_project_points( GLvector4f *proj_vec,
- const GLvector4f *clip_vec )
-{
- const GLuint stride = clip_vec->stride;
- 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 _mesa_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 analysed we do too many
- * multiplies, and that the result is always 4-clean.
- */
-void _mesa_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
_math_init_transformation( void )
init_copy0();
init_dotprod();
-#ifdef DEBUG
+#ifdef DEBUG_MATH
_math_test_all_transform_functions( "default" );
_math_test_all_normal_transform_functions( "default" );
_math_test_all_cliptest_functions( "default" );
#ifdef USE_X86_ASM
_mesa_init_all_x86_transform_asm();
-#endif
-#ifdef USE_SPARC_ASM
+#elif defined( USE_SPARC_ASM )
_mesa_init_all_sparc_transform_asm();
+#elif defined( USE_PPC_ASM )
+ _mesa_init_all_ppc_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_eval();
-}
projects / mesa.git / blobdiff