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- /* $Id: debug_xform.c,v 1.2 1999/11/08 07:36:43 brianp Exp $ */
-
- /*
- * Mesa 3-D graphics library
- * Version: 3.1
- *
- * Copyright (C) 1999 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"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * 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.
- */
-
- #ifndef XFree86Server
- #include <limits.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <math.h>
- #else
- #include "GL/xf86glx.h"
- #endif
- #include "context.h"
- #include "types.h"
- #include "xform.h"
- #include "debug_xform.h"
-
-
- /* comment this out to deactivate the cycle counter.
- * NOTE: it works only on CPUs which know the 'rdtsc' command (586 or higher)
- * (hope, you don't try to debug Mesa on a 386 ;)
- */
- #if defined(__GNUC__) && defined(__i386__) && defined(USE_X86_ASM)
- #define RUN_XFORM_BENCHMARK
- #endif
-
- #define TEST_COUNT 100 /* size of the tested vector array */
-
- #define REQUIRED_PRECISION 10 /* allow 4 bits to miss */
- #define MAX_PRECISION 24 /* max. precision possible */
-
-
- #ifdef RUN_XFORM_BENCHMARK
- /* Modify the the number of tests if you like.
- * We take the minimum of all results, because every error should be
- * positive (time used by other processes, task switches etc).
- * It is assumed that all calculations are done in the cache.
- */
- #define BEGIN_RACE(x) \
- x = 16000000; /* hope it's enough-*/ \
- for (cycle_i = 0; cycle_i <10; cycle_i++) { \
- long cycle_tmp1, cycle_tmp2, dummy; \
- __asm__ ("mov %%eax, %0":"=a" (cycle_tmp1)); /* cache cycle_tmp1 */ \
- __asm__ ("mov %%eax, %0":"=a" (cycle_tmp2)); /* cache cycle_tmp2 */ \
- __asm__ ("cdq"); /* stall pipeline */ \
- __asm__ ("cdq"); /* to avoid pairing */ \
- __asm__ ("rdtsc":"=a" (cycle_tmp1), "=d" (dummy)); /* save timestamp */
-
-
- #define END_RACE(x) \
- __asm__ ("cdq"); \
- __asm__ ("cdq"); \
- __asm__ ("rdtsc":"=a" (cycle_tmp2), "=d" (dummy)); \
- if (x > (cycle_tmp2-cycle_tmp1)) x = cycle_tmp2 - cycle_tmp1; \
- } \
- x -= 13; /* sub the overhead of the counter procedure */
-
- #else
- #define BEGIN_RACE(x)
- #define END_RACE(x)
- #endif
-
-
- static char *mesa_profile = NULL;
-
-
- static GLfloat rnd(void)
- {
- GLfloat f = (GLfloat)rand() / (GLfloat)RAND_MAX;
- GLfloat gran = (GLfloat)(1 << 13);
-
- f = (GLfloat)(GLint)(f * gran) / gran;
-
- return f * 2.0 - 1.0;
- }
-
-
-
- static int significand_match( GLfloat a, GLfloat b )
- {
- GLfloat d = a - b;
- int a_ex, b_ex, d_ex;
-
- if (d == 0.0F) {
- return MAX_PRECISION; /* Exact match */
- }
-
- if (a == 0.0F || b == 0.0F) {
- /*
- * It would probably be better to check if the
- * non-zero number is denormalized and return
- * the index of the highest set bit here.
- */
- return 0;
- }
-
- frexp(a, &a_ex);
- frexp(b, &b_ex);
- frexp(d, &d_ex);
-
- if (a_ex < b_ex)
- return a_ex - d_ex;
- else
- return b_ex - d_ex;
- }
-
-
-
-
-
- static void ref_transform( GLvector4f *dst,
- const GLmatrix *mat,
- const GLvector4f *src,
- const GLubyte *clipmask,
- const GLubyte flag )
- {
- int i;
- GLfloat *s = (GLfloat *)src->start;
- GLfloat (*d)[4] = (GLfloat (*)[4])dst->start;
- const GLfloat *m = mat->m;
-
- (void) clipmask;
- (void) flag;
-
- for (i = 0; i < src->count; ++i) {
- GLfloat x = s[0], y = s[1], z = s[2], w = s[3];
- d[i][0] = m[0]*x + m[4]*y + m[ 8]*z + m[12]*w;
- d[i][1] = m[1]*x + m[5]*y + m[ 9]*z + m[13]*w;
- d[i][2] = m[2]*x + m[6]*y + m[10]*z + m[14]*w;
- d[i][3] = m[3]*x + m[7]*y + m[11]*z + m[15]*w;
- s = (GLfloat *)((char *)s + src->stride);
- }
- }
-
-
- enum { NIL=0, ONE=1, NEG=-1, VAR=2 };
-
- static int m_general[16] = {
- VAR, VAR, VAR, VAR,
- VAR, VAR, VAR, VAR,
- VAR, VAR, VAR, VAR,
- VAR, VAR, VAR, VAR
- };
- static int m_identity[16] = {
- ONE, NIL, NIL, NIL,
- NIL, ONE, NIL, NIL,
- NIL, NIL, ONE, NIL,
- NIL, NIL, NIL, ONE
- };
- static int m_2d[16] = {
- VAR, VAR, NIL, VAR,
- VAR, VAR, NIL, VAR,
- NIL, NIL, ONE, NIL,
- NIL, NIL, NIL, ONE
- };
- static int m_2d_no_rot[16] = {
- VAR, NIL, NIL, VAR,
- NIL, VAR, NIL, VAR,
- NIL, NIL, ONE, NIL,
- NIL, NIL, NIL, ONE
- };
- static int m_3d[16] = {
- VAR, VAR, VAR, VAR,
- VAR, VAR, VAR, VAR,
- VAR, VAR, VAR, VAR,
- NIL, NIL, NIL, ONE
- };
- static int m_3d_no_rot[16] = {
- VAR, NIL, NIL, VAR,
- NIL, VAR, NIL, VAR,
- NIL, NIL, VAR, VAR,
- NIL, NIL, NIL, ONE
- };
- static int m_perspective[16] = {
- VAR, NIL, VAR, NIL,
- NIL, VAR, VAR, NIL,
- NIL, NIL, VAR, VAR,
- NIL, NIL, NEG, NIL
- };
- static int *templates[7] = {
- m_general,
- m_identity,
- m_3d_no_rot,
- m_perspective,
- m_2d,
- m_2d_no_rot,
- m_3d
- };
- static int mtypes[7] = {
- MATRIX_GENERAL,
- MATRIX_IDENTITY,
- MATRIX_3D_NO_ROT,
- MATRIX_PERSPECTIVE,
- MATRIX_2D,
- MATRIX_2D_NO_ROT,
- MATRIX_3D
- };
- static char *mstrings[7] = {
- "MATRIX_GENERAL",
- "MATRIX_IDENTITY",
- "MATRIX_3D_NO_ROT",
- "MATRIX_PERSPECTIVE",
- "MATRIX_2D",
- "MATRIX_2D_NO_ROT",
- "MATRIX_3D"
- };
-
-
- static int test_transform_function( transform_func fn, int psize, int mtype,
- int masked, long* cycles )
- {
- GLvector4f source[1], dest[1], ref[1];
- GLmatrix mat[1];
- GLfloat s[TEST_COUNT][5], d[TEST_COUNT][4], r[TEST_COUNT][4];
- GLfloat *m = mat->m;
- GLubyte mask[TEST_COUNT];
- int i, j;
-
- int cycle_i; /* the counter for the benchmarks we run */
-
- (void) cycles; (void) cycle_i;
-
- if (psize > 4) {
- gl_problem( NULL, "test_transform_function called with psize > 4\n");
- return 0;
- }
-
- mat->type = mtypes[mtype];
-
- m[0] = 63.0; m[4] = 43.0; m[ 8] = 29.0; m[12] = 43.0;
- m[1] = 55.0; m[5] = 17.0; m[ 9] = 31.0; m[13] = 7.0;
- m[2] = 44.0; m[6] = 9.0; m[10] = 7.0; m[14] = 3.0;
- m[3] = 11.0; m[7] = 23.0; m[11] = 91.0; m[15] = 9.0;
-
- for (i = 0; i < 4; i++) {
- for (j = 0; j < 4; j++) {
- switch (templates[mtype][i * 4 + j]) {
- case NIL:
- m[j * 4 + i] = 0.0;
- break;
- case ONE:
- m[j * 4 + i] = 1.0;
- break;
- case NEG:
- m[j * 4 + i] = -1.0;
- break;
- case VAR:
- break;
- default:
- abort();
- }
- }
- }
-
- for (i = 0; i < TEST_COUNT; ++i) {
- mask[i] = i % 2; /* mask every 2nd element */
- d[i][0] = s[i][0] = 0.0;
- d[i][1] = s[i][1] = 0.0;
- d[i][2] = s[i][2] = 0.0;
- d[i][3] = s[i][3] = 1.0;
- for (j = 0; j < psize; j++)
- s[i][j] = rnd();
- }
-
- source->data = (GLfloat(*)[4])s;
- source->start = (GLfloat *)s;
- source->count = TEST_COUNT;
- source->stride = sizeof(s[0]);
- source->size = 4;
- source->flags = 0;
-
- dest->data = (GLfloat(*)[4])d;
- dest->start = (GLfloat *)d;
- dest->count = TEST_COUNT;
- dest->stride = sizeof(float[4]);
- dest->size = 0;
- dest->flags = 0;
-
- ref->data = (GLfloat(*)[4])r;
- ref->start = (GLfloat *)r;
- ref->count = TEST_COUNT;
- ref->stride = sizeof(float[4]);
- ref->size = 0;
- ref->flags = 0;
-
- ref_transform(ref, mat, source, NULL, 0);
-
- if (mesa_profile) {
- if (masked) {
- BEGIN_RACE (*cycles);
- fn(dest, mat, source, mask, 1);
- END_RACE (*cycles);
- } else {
- BEGIN_RACE (*cycles);
- fn(dest, mat, source, NULL, 0);
- END_RACE (*cycles);
- }
- }
- else {
- if (masked) {
- fn(dest, mat, source, mask, 1);
- } else {
- fn(dest, mat, source, NULL, 0);
- }
- }
-
- for (i = 0; i < TEST_COUNT; ++i) {
- if (masked && mask[i] & 1)
- continue;
-
- for (j = 0; j < 4; j++) {
- if (significand_match (d[i][j], r[i][j]) < REQUIRED_PRECISION) {
- printf("-----------------------------\n");
- printf ("(i = %i, j = %i)\n", i, j);
- printf ("%f \t %f \t [diff = %e - %i bit missed]\n",
- d[i][0], r[i][0], r[i][0]-d[i][0],
- MAX_PRECISION - significand_match (d[i][0], r[i][0]));
- printf ("%f \t %f \t [diff = %e - %i bit missed]\n",
- d[i][1], r[i][1], r[i][1]-d[i][1],
- MAX_PRECISION - significand_match (d[i][1], r[i][1]));
- printf ("%f \t %f \t [diff = %e - %i bit missed]\n",
- d[i][2], r[i][2], r[i][2]-d[i][2],
- MAX_PRECISION - significand_match (d[i][2], r[i][2]));
- printf ("%f \t %f \t [diff = %e - %i bit missed]\n",
- d[i][3], r[i][3], r[i][3]-d[i][3],
- MAX_PRECISION - significand_match (d[i][3], r[i][3]));
- return 0;
- }
- }
- }
- return 1;
- }
-
-
-
-
- void gl_test_all_transform_functions( char *description )
- {
- int masked, psize, mtype;
- long benchmark_tab [2][4][7];
- static int first_time = 1;
-
- if (first_time) {
- first_time = 0;
- mesa_profile = getenv("MESA_PROFILE");
- }
-
- #ifdef RUN_XFORM_BENCHMARK
- if (mesa_profile) {
- printf("transform results after hooking in %s functions:\n", description);
- }
- #endif
-
- for (masked = 0; masked <= 1; masked++) {
- int cma = masked ? CULL_MASK_ACTIVE : 0;
- char *cmastring = masked ? "CULL_MASK_ACTIVE" : "0";
-
- #ifdef RUN_XFORM_BENCHMARK
- if (mesa_profile) {
- printf ("\n culling: %s \n", masked ? "CULL_MASK_ACTIVE" : "0");
- for (psize = 1; psize <= 4; psize++) {
- printf(" p%d\t", psize );
- }
- printf("\n--------------------------------------------------------\n");
- }
- #endif
-
- for (mtype = 0; mtype < 7; mtype++) {
- for (psize = 1; psize <= 4; psize++) {
- transform_func fn = gl_transform_tab[cma][psize][mtypes[mtype]];
- long* cycles = &(benchmark_tab [cma][psize-1][mtype]);
-
- if (test_transform_function (fn,psize,mtype,masked,cycles) == 0 ) {
- char buf[100];
- sprintf( buf, "gl_transform_tab[%s][%d][%s] failed test (%s)",
- cmastring, psize, mstrings[mtype], description );
- gl_problem( NULL, buf );
- } else {
- /* printf("gl_transform_tab[%s][%d][%s] passed test in %i cycles\n",
- cmastring, psize, mstrings[mtype],
- benchmark_tab [cma][psize-1][mtype]);
- */ }
- #ifdef RUN_XFORM_BENCHMARK
- if (mesa_profile)
- printf(" %li\t", benchmark_tab [cma][psize-1][mtype] );
- #endif
- }
- #ifdef RUN_XFORM_BENCHMARK
- if (mesa_profile)
- printf (" | [%s]\n", mstrings[mtype] );
- #endif
- }
- #ifdef RUN_XFORM_BENCHMARK
- if (mesa_profile)
- printf ("\n");
- #endif
- }
- }
-
-
-
-
-
-
-
-
- static void ref_norm_transform_rescale ( const GLmatrix *mat,
- GLfloat scale,
- const GLvector3f *in,
- const GLfloat *lengths,
- const GLubyte mask[],
- GLvector3f *dest )
- {
- int i;
- const GLfloat *s = in->start;
- const GLfloat *m = mat->inv;
- GLfloat (*out)[3] = (GLfloat (*)[3])dest->start;
-
- (void) mask;
- (void) lengths;
-
- for (i = 0; i < in->count; ++i) {
- GLfloat x = s[0], y = s[1], z = s[2] ;
- GLfloat tx = m[0]*x + m[1]*y + m[ 2]*z ;
- GLfloat ty = m[4]*x + m[5]*y + m[ 6]*z ;
- GLfloat tz = m[8]*x + m[9]*y + m[10]*z ;
-
- out[i][0] = tx * scale;
- out[i][1] = ty * scale;
- out[i][2] = tz * scale;
-
- s = (GLfloat *)((char *)s + in->stride);
- }
- }
-
-
- static void ref_norm_transform_normalize ( const GLmatrix *mat,
- GLfloat scale,
- const GLvector3f *in,
- const GLfloat *lengths,
- const GLubyte mask[],
- GLvector3f *dest )
- {
- int i;
- const GLfloat *s = in->start;
- const GLfloat *m = mat->inv;
- GLfloat (*out)[3] = (GLfloat (*)[3])dest->start;
-
- (void) mask;
-
- for (i = 0; i < in->count; ++i) {
- GLfloat x = s[0], y = s[1], z = s[2] ;
- GLfloat tx = m[0]*x + m[1]*y + m[ 2]*z ;
- GLfloat ty = m[4]*x + m[5]*y + m[ 6]*z ;
- GLfloat tz = m[8]*x + m[9]*y + m[10]*z ;
-
- if (!lengths) {
- GLfloat len = tx*tx + ty*ty + tz*tz;
- if (len > 1e-20) {
- scale = 1.0 / sqrt (len); /* hmmm, don't know how we */
- /* could test the precalcu- */
- /* lated length case ... */
- out[i][0] = tx * scale;
- out[i][1] = ty * scale;
- out[i][2] = tz * scale;
- } else {
- out[i][0] = out[i][1] = out[i][2] = 0;
- }
- } else {
- scale = lengths [i];;
- out[i][0] = tx * scale;
- out[i][1] = ty * scale;
- out[i][2] = tz * scale;
- }
-
- s = (GLfloat *)((char *)s + in->stride);
- }
- }
-
-
-
- static int m_norm_identity[16] = {
- ONE, NIL, NIL, NIL,
- NIL, ONE, NIL, NIL,
- NIL, NIL, ONE, NIL,
- NIL, NIL, NIL, NIL
- };
- static int m_norm_general[16] = {
- VAR, VAR, VAR, NIL,
- VAR, VAR, VAR, NIL,
- VAR, VAR, VAR, NIL,
- NIL, NIL, NIL, NIL
- };
- static int m_norm_no_rot[16] = {
- VAR, NIL, NIL, NIL,
- NIL, VAR, NIL, NIL,
- NIL, NIL, VAR, NIL,
- NIL, NIL, NIL, NIL
- };
- static int *norm_templates[8] = {
- m_norm_no_rot,
- m_norm_no_rot,
- m_norm_no_rot,
- m_norm_general,
- m_norm_general,
- m_norm_general,
- m_norm_identity,
- m_norm_identity
- };
- static int norm_types[8] = {
- NORM_TRANSFORM_NO_ROT,
- NORM_TRANSFORM_NO_ROT | NORM_RESCALE,
- NORM_TRANSFORM_NO_ROT | NORM_NORMALIZE,
- NORM_TRANSFORM,
- NORM_TRANSFORM | NORM_RESCALE,
- NORM_TRANSFORM | NORM_NORMALIZE,
- NORM_RESCALE,
- NORM_NORMALIZE
- };
- static int norm_scale_types[8] = { /* rescale factor */
- NIL, /* NIL disables rescaling */
- VAR,
- NIL,
- NIL,
- VAR,
- NIL,
- VAR,
- NIL
- };
- static int norm_normalize_types[8] = { /* normalizing ?? (no = 0) */
- 0,
- 0,
- 1,
- 0,
- 0,
- 1,
- 0,
- 1
- };
- static char *norm_strings[8] = {
- "NORM_TRANSFORM_NO_ROT",
- "NORM_TRANSFORM_NO_ROT | NORM_RESCALE",
- "NORM_TRANSFORM_NO_ROT | NORM_NORMALIZE",
- "NORM_TRANSFORM",
- "NORM_TRANSFORM | NORM_RESCALE",
- "NORM_TRANSFORM | NORM_NORMALIZE",
- "NORM_RESCALE",
- "NORM_NORMALIZE"
- };
-
-
-
-
-
- static int test_norm_function( normal_func fn, int mtype,
- int masked, long* cycles )
- {
- GLvector3f source[1], dest[1], dest2[1], ref[1], ref2[1];
- GLmatrix mat[1];
- GLfloat s [TEST_COUNT][5], d [TEST_COUNT][3], r [TEST_COUNT][3];
- GLfloat d2 [TEST_COUNT][3], r2 [TEST_COUNT][3], length [TEST_COUNT];
- GLfloat scale;
- GLfloat *m = mat->m;
- GLubyte mask[TEST_COUNT];
- int i, j;
-
- int cycle_i; /* the counter for the benchmarks we run */
-
- (void) cycles; (void) cycle_i;
-
- mat->inv = mat->m;
-
- m[0] = 63.0; m[4] = 43.0; m[ 8] = 29.0; m[12] = 43.0;
- m[1] = 55.0; m[5] = 17.0; m[ 9] = 31.0; m[13] = 7.0;
- m[2] = 44.0; m[6] = 9.0; m[10] = 7.0; m[14] = 3.0;
- m[3] = 11.0; m[7] = 23.0; m[11] = 91.0; m[15] = 9.0;
-
- scale = 1.0F + rnd () * norm_scale_types[mtype];
-
- for (i = 0; i < 4; i++) {
- for (j = 0; j < 4; j++) {
- switch (norm_templates[mtype][i * 4 + j]) {
- case NIL:
- m[j * 4 + i] = 0.0;
- break;
- case ONE:
- m[j * 4 + i] = 1.0;
- break;
- case NEG:
- m[j * 4 + i] = -1.0;
- break;
- case VAR:
- break;
- default:
- abort();
- }
- }
- }
-
- for (i = 0; i < TEST_COUNT; ++i) {
- mask[i] = i % 2; /* mask every 2nd element */
- d[i][0] = s[i][0] = d2[i][0] = 0.0;
- d[i][1] = s[i][1] = d2[i][1] = 0.0;
- d[i][2] = s[i][2] = d2[i][2] = 0.0;
- for (j = 0; j < 3; j++)
- s[i][j] = rnd();
- length[i] = 1 / sqrt(s[i][0]*s[i][0] + s[i][1]*s[i][1] + s[i][2]*s[i][2]);
- }
-
- source->data = (GLfloat(*)[3])s;
- source->start = (GLfloat *)s;
- source->count = TEST_COUNT;
- source->stride = sizeof(s[0]);
- source->flags = 0;
-
- dest->data = (GLfloat(*)[3])d;
- dest->start = (GLfloat *)d;
- dest->count = TEST_COUNT;
- dest->stride = sizeof(float[3]);
- dest->flags = 0;
-
- dest2->data = (GLfloat(*)[3])d2;
- dest2->start = (GLfloat *)d2;
- dest2->count = TEST_COUNT;
- dest2->stride = sizeof(float[3]);
- dest2->flags = 0;
-
- ref->data = (GLfloat(*)[3])r;
- ref->start = (GLfloat *)r;
- ref->count = TEST_COUNT;
- ref->stride = sizeof(float[3]);
- ref->flags = 0;
-
- ref2->data = (GLfloat(*)[3])r2;
- ref2->start = (GLfloat *)r2;
- ref2->count = TEST_COUNT;
- ref2->stride = sizeof(float[3]);
- ref2->flags = 0;
-
- if (norm_normalize_types [mtype] == 0) {
- ref_norm_transform_rescale (mat, scale, source, NULL, NULL, ref);
- } else {
- ref_norm_transform_normalize (mat, scale, source, NULL, NULL, ref);
- ref_norm_transform_normalize (mat, scale, source, length, NULL, ref2);
- }
-
- if (mesa_profile) {
- if (masked) {
- BEGIN_RACE (*cycles);
- fn (mat, scale, source, NULL, mask, dest);
- END_RACE (*cycles);
- fn (mat, scale, source, length, mask, dest2);
- } else {
- BEGIN_RACE (*cycles);
- fn (mat, scale, source, NULL, NULL, dest);
- END_RACE (*cycles);
- fn (mat, scale, source, length, NULL, dest2);
- }
- } else {
- if (masked) {
- fn (mat, scale, source, NULL, mask, dest);
- fn (mat, scale, source, length, mask, dest2);
- } else {
- fn (mat, scale, source, NULL, NULL, dest);
- fn (mat, scale, source, length, NULL, dest2);
- }
- }
-
- for (i = 0; i < TEST_COUNT; ++i) {
- if (masked && !(mask[i] & 1))
- continue;
-
- for (j = 0; j < 3; j++) {
- if (significand_match (d[i][j], r[i][j]) < REQUIRED_PRECISION) {
- printf("-----------------------------\n");
- printf ("(i = %i, j = %i)\n", i, j);
- printf ("%f \t %f \t [ratio = %e - %i bit missed]\n",
- d[i][0], r[i][0], r[i][0]/d[i][0],
- MAX_PRECISION - significand_match (d[i][0], r[i][0]));
- printf ("%f \t %f \t [ratio = %e - %i bit missed]\n",
- d[i][1], r[i][1], r[i][1]/d[i][1],
- MAX_PRECISION - significand_match (d[i][1], r[i][1]));
- printf ("%f \t %f \t [ratio = %e - %i bit missed]\n",
- d[i][2], r[i][2], r[i][2]/d[i][2],
- MAX_PRECISION - significand_match (d[i][2], r[i][2]));
- return 0;
- }
-
- if (norm_normalize_types [mtype] != 0) {
- if (significand_match (d2[i][j], r2[i][j]) < REQUIRED_PRECISION) {
- printf("------------------- precalculated length case ------\n");
- printf ("(i = %i, j = %i)\n", i, j);
- printf ("%f \t %f \t [ratio = %e - %i bit missed]\n",
- d2[i][0], r2[i][0], r2[i][0]/d2[i][0],
- MAX_PRECISION - significand_match (d2[i][0],r2[i][0]));
- printf ("%f \t %f \t [ratio = %e - %i bit missed]\n",
- d2[i][1], r2[i][1], r2[i][1]/d2[i][1],
- MAX_PRECISION - significand_match (d2[i][1],r2[i][1]));
- printf ("%f \t %f \t [ratio = %e - %i bit missed]\n",
- d2[i][2], r2[i][2], r2[i][2]/d2[i][2],
- MAX_PRECISION - significand_match (d2[i][2],r2[i][2]));
- return 0;
- }
- }
- }
- }
- return 1;
- }
-
-
-
- void gl_test_all_normal_transform_functions( char *description )
- {
- int masked;
- int mtype;
- long benchmark_tab [0xf][0x4];
- static int first_time = 1;
-
-
- if (first_time) {
- first_time = 0;
- mesa_profile = getenv("MESA_PROFILE");
- }
-
- #ifdef RUN_XFORM_BENCHMARK
- if (mesa_profile) {
- printf ("normal transform results after hooking in %s functions:\n",
- description);
- }
- #endif
-
-
- for (masked = 0; masked <= 1; masked++) {
- int cma = masked ? CULL_MASK_ACTIVE : 0;
- char *cmastring = masked ? "CULL_MASK_ACTIVE" : "0";
-
- #ifdef RUN_XFORM_BENCHMARK
- if (mesa_profile) {
- printf ("\n culling: %s \n", masked ? "CULL_MASK_ACTIVE" : "0");
- printf ("\n-------------------------------------------------------\n");
- }
- #endif
-
- for (mtype = 0; mtype < 8; mtype++) {
- normal_func fn = gl_normal_tab [norm_types[mtype]][cma];
- long* cycles = &(benchmark_tab [mtype][cma]);
-
- if (test_norm_function (fn, mtype, masked, cycles) == 0 ) {
- char buf[100];
- sprintf( buf, "gl_normal_tab[%s][%s] failed test (%s)",
- cmastring, norm_strings[mtype], description );
- gl_problem( NULL, buf );
- } else {
- /* printf("gl_normal_tab[%s][%s] passed test in %li cycles (%s)\n",
- cmastring, norm_strings[mtype],
- benchmark_tab [mtype][cma], description);
- */ }
-
- #ifdef RUN_XFORM_BENCHMARK
- if (mesa_profile) {
- printf (" %li\t", benchmark_tab [mtype][cma] );
- printf (" | [%s]\n", norm_strings[mtype] );
- }
- }
- if (mesa_profile) { printf ("\n"); }
- #else
- }
- #endif
- }
- }
-
-
-
-