-/* $Id: m_debug_xform.c,v 1.1 2000/11/16 21:05:41 keithw Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.5
+ * Version: 6.1
*
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2004 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"),
* Updated for P6 architecture by Gareth Hughes.
*/
-#include "glheader.h"
-#include "context.h"
-#include "mem.h"
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/macros.h"
+#include "main/imports.h"
-#include "m_debug_xform.h"
#include "m_matrix.h"
#include "m_xform.h"
+#include "m_debug.h"
+#include "m_debug_util.h"
-#ifdef DEBUG /* This code only used for debugging */
-
-
-/* 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
+#ifdef __UNIXOS2__
+/* The linker doesn't like empty files */
+static char dummy;
#endif
-#define TEST_COUNT 128 /* size of the tested vector array */
+#ifdef DEBUG_MATH /* This code only used for debugging */
-#define REQUIRED_PRECISION 10 /* allow 4 bits to miss */
-#define MAX_PRECISION 24 /* max. precision possible */
-
-#ifdef RUN_XFORM_BENCHMARK
/* Overhead of profiling counter in cycles. Automatically adjusted to
* your machine at run time - counter initialization should give very
* consistent results.
*/
-static int need_counter = 1;
-static long counter_overhead = 0;
+long counter_overhead = 0;
-/* 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.
+/* This is the value of the environment variable MESA_PROFILE, and is
+ * used to determine if we should benchmark the functions as well as
+ * verify their correctness.
*/
+char *mesa_profile = NULL;
-#if 1 /* PPro, PII, PIII version */
-
-/* Profiling on the P6 architecture requires a little more work, due to
- * the internal out-of-order execution. We must perform a serializing
- * 'cpuid' instruction before and after the 'rdtsc' instructions to make
- * sure no other uops are executed when we sample the timestamp counter.
- */
-#define INIT_COUNTER() \
- do { \
- int cycle_i; \
- counter_overhead = LONG_MAX; \
- for ( cycle_i = 0 ; cycle_i < 4 ; cycle_i++ ) { \
- long cycle_tmp1 = 0, cycle_tmp2 = 0; \
- __asm__ ( "push %%ebx \n" \
- "xor %%eax, %%eax \n" \
- "cpuid \n" \
- "rdtsc \n" \
- "mov %%eax, %0 \n" \
- "xor %%eax, %%eax \n" \
- "cpuid \n" \
- "pop %%ebx \n" \
- "push %%ebx \n" \
- "xor %%eax, %%eax \n" \
- "cpuid \n" \
- "rdtsc \n" \
- "mov %%eax, %1 \n" \
- "xor %%eax, %%eax \n" \
- "cpuid \n" \
- "pop %%ebx \n" \
- : "=m" (cycle_tmp1), "=m" (cycle_tmp2) \
- : : "eax", "ecx", "edx" ); \
- if ( counter_overhead > (cycle_tmp2 - cycle_tmp1) ) { \
- counter_overhead = cycle_tmp2 - cycle_tmp1; \
- } \
- } \
- } while (0)
-
-#define BEGIN_RACE(x) \
- x = LONG_MAX; \
- for ( cycle_i = 0 ; cycle_i < 10 ; cycle_i++ ) { \
- long cycle_tmp1 = 0, cycle_tmp2 = 0; \
- __asm__ ( "push %%ebx \n" \
- "xor %%eax, %%eax \n" \
- "cpuid \n" \
- "rdtsc \n" \
- "mov %%eax, %0 \n" \
- "xor %%eax, %%eax \n" \
- "cpuid \n" \
- "pop %%ebx \n" \
- : "=m" (cycle_tmp1) \
- : : "eax", "ecx", "edx" );
-
-#define END_RACE(x) \
- __asm__ ( "push %%ebx \n" \
- "xor %%eax, %%eax \n" \
- "cpuid \n" \
- "rdtsc \n" \
- "mov %%eax, %0 \n" \
- "xor %%eax, %%eax \n" \
- "cpuid \n" \
- "pop %%ebx \n" \
- : "=m" (cycle_tmp2) \
- : : "eax", "ecx", "edx" ); \
- if ( x > (cycle_tmp2 - cycle_tmp1) ) { \
- x = cycle_tmp2 - cycle_tmp1; \
- } \
- } \
- x -= counter_overhead;
-
-#else /* PPlain, PMMX version */
-
-/* To ensure accurate results, we stall the pipelines with the
- * non-pairable 'cdq' instruction. This ensures all the code being
- * profiled is complete when the 'rdtsc' instruction executes.
- */
-#define INIT_COUNTER(x) \
- do { \
- int cycle_i; \
- x = LONG_MAX; \
- for ( cycle_i = 0 ; cycle_i < 32 ; cycle_i++ ) { \
- long cycle_tmp1, cycle_tmp2, dummy; \
- __asm__ ( "mov %%eax, %0" : "=a" (cycle_tmp1) ); \
- __asm__ ( "mov %%eax, %0" : "=a" (cycle_tmp2) ); \
- __asm__ ( "cdq" ); \
- __asm__ ( "cdq" ); \
- __asm__ ( "rdtsc" : "=a" (cycle_tmp1), "=d" (dummy) ); \
- __asm__ ( "cdq" ); \
- __asm__ ( "cdq" ); \
- __asm__ ( "rdtsc" : "=a" (cycle_tmp2), "=d" (dummy) ); \
- if ( x > (cycle_tmp2 - cycle_tmp1) ) \
- x = cycle_tmp2 - cycle_tmp1; \
- } \
- } while (0)
-
-#define BEGIN_RACE(x) \
- x = LONG_MAX; \
- for ( cycle_i = 0 ; cycle_i < 16 ; cycle_i++ ) { \
- long cycle_tmp1, cycle_tmp2, dummy; \
- __asm__ ( "mov %%eax, %0" : "=a" (cycle_tmp1) ); \
- __asm__ ( "mov %%eax, %0" : "=a" (cycle_tmp2) ); \
- __asm__ ( "cdq" ); \
- __asm__ ( "cdq" ); \
- __asm__ ( "rdtsc" : "=a" (cycle_tmp1), "=d" (dummy) );
-
-
-#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 -= counter_overhead;
-
-#endif
-
-#else
-
-#define BEGIN_RACE(x)
-#define END_RACE(x)
-
-#endif
-
-
-static char *mesa_profile = NULL;
-
-
-enum { NIL=0, ONE=1, NEG=-1, VAR=2 };
static int m_general[16] = {
VAR, VAR, VAR, VAR,
m_2d_no_rot,
m_3d
};
-static int mtypes[7] = {
+static enum GLmatrixtype mtypes[7] = {
MATRIX_GENERAL,
MATRIX_IDENTITY,
MATRIX_3D_NO_ROT,
};
-
-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"
-};
-
-
-
-/* ================================================================
- * Helper functions
- */
-
-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;
-}
-
-
-
-/* ================================================================
+/* =============================================================
* Reference transformations
*/
static void ref_transform( GLvector4f *dst,
const GLmatrix *mat,
- const GLvector4f *src,
- const GLubyte *clipmask,
- const GLubyte flag )
+ const GLvector4f *src )
{
- int i;
+ GLuint 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;
+ TRANSFORM_POINT( d[i], m, s );
s = (GLfloat *)((char *)s + src->stride);
}
}
-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);
- }
-}
+/* =============================================================
+ * Vertex transformation tests
+ */
-static void ref_norm_transform_normalize( const GLmatrix *mat,
- GLfloat scale,
- const GLvector3f *in,
- const GLfloat *lengths,
- const GLubyte mask[],
- GLvector3f *dest )
+static void init_matrix( GLfloat *m )
{
- 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 ) {
- /* Hmmm, don't know how we could test the precalculated
- * length case...
- */
- scale = 1.0 / sqrt( len );
- 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);
- }
+ 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;
}
+ALIGN16(static GLfloat, s[TEST_COUNT][4]);
+ALIGN16(static GLfloat, d[TEST_COUNT][4]);
+ALIGN16(static GLfloat, r[TEST_COUNT][4]);
-
-/* ================================================================
- * Vertex transformation tests
- */
-
-/* Ensure our arrays are correctly aligned.
- */
-#if defined(__GNUC__)
-#define ALIGN16(x) x __attribute__ ((aligned (16)))
-#else
-#define ALIGN16(x) x
-#endif
-static GLfloat ALIGN16(s[TEST_COUNT][5]);
-static GLfloat ALIGN16(d[TEST_COUNT][4]);
-static GLfloat ALIGN16(r[TEST_COUNT][4]);
-
-static int test_transform_function( transform_func func, int psize, int mtype,
- int masked, long *cycles )
+static int test_transform_function( transform_func func, int psize,
+ int mtype, unsigned long *cycles )
{
GLvector4f source[1], dest[1], ref[1];
GLmatrix mat[1];
GLfloat *m;
- GLubyte mask[TEST_COUNT];
int i, j;
-#ifdef RUN_XFORM_BENCHMARK
+#ifdef RUN_DEBUG_BENCHMARK
int cycle_i; /* the counter for the benchmarks we run */
#endif
(void) cycles;
if ( psize > 4 ) {
- gl_problem( NULL, "test_transform_function called with psize > 4\n" );
+ _mesa_problem( NULL, "test_transform_function called with psize > 4\n" );
return 0;
}
mat->type = mtypes[mtype];
m = mat->m;
+ ASSERT( ((long)m & 15) == 0 );
- 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;
+ init_matrix( m );
for ( i = 0 ; i < 4 ; i++ ) {
for ( j = 0 ; j < 4 ; j++ ) {
case VAR:
break;
default:
- abort();
+ ASSERT(0);
+ return 0;
}
}
}
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;
+ ASSIGN_4V( d[i], 0.0, 0.0, 0.0, 1.0 );
+ ASSIGN_4V( s[i], 0.0, 0.0, 0.0, 1.0 );
for ( j = 0 ; j < psize ; j++ )
s[i][j] = rnd();
}
ref->size = 0;
ref->flags = 0;
- ref_transform( ref, mat, source, NULL, 0 );
+ ref_transform( ref, mat, source );
if ( mesa_profile ) {
- if ( masked ) {
- BEGIN_RACE( *cycles );
- func( dest, mat->m, source, mask, 1 );
- END_RACE( *cycles );
- } else {
- BEGIN_RACE( *cycles );
- func( dest, mat->m, source, NULL, 0 );
- END_RACE( *cycles );
- }
+ BEGIN_RACE( *cycles );
+ func( dest, mat->m, source );
+ END_RACE( *cycles );
}
else {
- if ( masked ) {
- func( dest, mat->m, source, mask, 1 );
- } else {
- func( dest, mat->m, source, NULL, 0 );
- }
+ func( dest, mat->m, source );
}
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",
+ _mesa_printf("-----------------------------\n" );
+ _mesa_printf("(i = %i, j = %i)\n", i, j );
+ _mesa_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",
+ _mesa_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",
+ _mesa_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",
+ _mesa_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 )
+void _math_test_all_transform_functions( char *description )
{
- int masked, psize, mtype;
- long benchmark_tab[2][4][7];
+ int psize, mtype;
+ unsigned long benchmark_tab[4][7];
static int first_time = 1;
if ( first_time ) {
first_time = 0;
- mesa_profile = getenv( "MESA_PROFILE" );
+ mesa_profile = _mesa_getenv( "MESA_PROFILE" );
}
-#ifdef RUN_XFORM_BENCHMARK
+#ifdef RUN_DEBUG_BENCHMARK
if ( mesa_profile ) {
- if ( need_counter ) {
- need_counter = 0;
+ if ( !counter_overhead ) {
INIT_COUNTER();
- printf( "counter overhead: %ld cycles\n\n", counter_overhead );
- }
- printf( "transform results after hooking in %s functions:\n", description );
- }
-#endif
-
- for ( masked = 0 ; masked <= 1 ; masked++ ) {
- int cma = masked ? 1 : 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 func = gl_transform_tab[cma][psize][mtypes[mtype]];
- long *cycles = &(benchmark_tab[cma][psize-1][mtype]);
-
- if ( test_transform_function( func, 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 );
- }
-#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
+ _mesa_printf("counter overhead: %lu cycles\n\n", counter_overhead );
}
-#ifdef RUN_XFORM_BENCHMARK
- if ( mesa_profile )
- printf( "\n" );
-#endif
+ _mesa_printf("transform results after hooking in %s functions:\n", description );
}
-}
-
-
-
-/* ================================================================
- * Normal transformation tests
- */
-
-static int test_norm_function( normal_func func, 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;
- GLubyte mask[TEST_COUNT];
- int i, j;
-#ifdef RUN_XFORM_BENCHMARK
- int cycle_i; /* the counter for the benchmarks we run */
#endif
- (void) cycles;
-
- mat->m = (GLfloat *) ALIGN_MALLOC( 16 * sizeof(GLfloat), 16 );
- mat->inv = m = 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 );
- func( mat, scale, source, NULL, mask, dest );
- END_RACE( *cycles );
- func( mat, scale, source, length, mask, dest2 );
- } else {
- BEGIN_RACE( *cycles );
- func( mat, scale, source, NULL, NULL, dest );
- END_RACE( *cycles );
- func( mat, scale, source, length, NULL, dest2 );
- }
- } else {
- if ( masked ) {
- func( mat, scale, source, NULL, mask, dest );
- func( mat, scale, source, length, mask, dest2 );
- } else {
- func( mat, scale, source, NULL, NULL, dest );
- func( 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;
- }
- }
- }
- }
-
- ALIGN_FREE( mat->m );
- 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
+#ifdef RUN_DEBUG_BENCHMARK
if ( mesa_profile ) {
- if ( need_counter ) {
- need_counter = 0;
- INIT_COUNTER();
- printf( "counter overhead: %ld cycles\n\n", counter_overhead );
+ _mesa_printf("\n" );
+ for ( psize = 1 ; psize <= 4 ; psize++ ) {
+ _mesa_printf(" p%d\t", psize );
}
- printf( "normal transform results after hooking in %s functions:\n",
- description );
+ _mesa_printf("\n--------------------------------------------------------\n" );
}
#endif
- for ( masked = 0 ; masked <= 1 ; masked++ ) {
- int cma = masked ? 1 : 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 func = gl_normal_tab[norm_types[mtype]][cma];
- long *cycles = &(benchmark_tab[mtype][cma]);
+ for ( mtype = 0 ; mtype < 7 ; mtype++ ) {
+ for ( psize = 1 ; psize <= 4 ; psize++ ) {
+ transform_func func = _mesa_transform_tab[psize][mtypes[mtype]];
+ unsigned long *cycles = &(benchmark_tab[psize-1][mtype]);
- if ( test_norm_function( func, 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 );
+ if ( test_transform_function( func, psize, mtype, cycles ) == 0 ) {
+ char buf[100];
+ _mesa_sprintf(buf, "_mesa_transform_tab[0][%d][%s] failed test (%s)",
+ psize, mstrings[mtype], description );
+ _mesa_problem( NULL, buf );
}
-
-#ifdef RUN_XFORM_BENCHMARK
- if ( mesa_profile ) {
- printf( " %li\t", benchmark_tab[mtype][cma] );
- printf( " | [%s]\n", norm_strings[mtype] );
- }
+#ifdef RUN_DEBUG_BENCHMARK
+ if ( mesa_profile )
+ _mesa_printf(" %li\t", benchmark_tab[psize-1][mtype] );
+#endif
}
+#ifdef RUN_DEBUG_BENCHMARK
if ( mesa_profile )
- printf( "\n" );
-#else
- }
+ _mesa_printf(" | [%s]\n", mstrings[mtype] );
#endif
}
-#ifdef RUN_XFORM_BENCHMARK
+#ifdef RUN_DEBUG_BENCHMARK
if ( mesa_profile )
- fflush( stdout );
+ _mesa_printf( "\n" );
#endif
}
-#endif /* DEBUG */
+
+#endif /* DEBUG_MATH */
projects / mesa.git / blobdiff