src/parsec/disk-image/parsec/parsec-benchmark/pkgs/libs/mesa/src/src/mesa/math/m_debug_xform.c - public/gem5-resources - Git at Google

 /*
  * Mesa 3-D graphics library
  * Version:  6.1
  *
  * 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"),
  * 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.
  */

 /*
  * Updated for P6 architecture by Gareth Hughes.
  */

 #include "glheader.h"
 #include "context.h"
 #include "macros.h"
 #include "imports.h"

 #include "m_matrix.h"
 #include "m_xform.h"

 #include "m_debug.h"
 #include "m_debug_util.h"

 #ifdef __UNIXOS2__
 /* The linker doesn't like empty files */
 static char dummy;
 #endif

 #ifdef DEBUG_MATH  /* This code only used for debugging */


 /* Overhead of profiling counter in cycles.  Automatically adjusted to
  * your machine at run time - counter initialization should give very
  * consistent results.
  */
 long counter_overhead = 0;

 /* 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;


 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 enum GLmatrixtype 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"
 };


 /* =============================================================
  * Reference transformations
  */

 static void ref_transform( GLvector4f *dst,
                            const GLmatrix *mat,
                            const GLvector4f *src )
 {
    GLuint i;
    GLfloat *s = (GLfloat *)src->start;
    GLfloat (*d)[4] = (GLfloat (*)[4])dst->start;
    const GLfloat *m = mat->m;

    for ( i = 0 ; i < src->count ; i++ ) {
       TRANSFORM_POINT( d[i], m, s );
       s = (GLfloat *)((char *)s + src->stride);
    }
 }


 /* =============================================================
  * Vertex transformation tests
  */

 static void init_matrix( GLfloat *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;
 }

 ALIGN16(static GLfloat, s[TEST_COUNT][4]);
 ALIGN16(static GLfloat, d[TEST_COUNT][4]);
 ALIGN16(static GLfloat, r[TEST_COUNT][4]);

 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;
    int i, j;
 #ifdef  RUN_DEBUG_BENCHMARK
    int cycle_i;                /* the counter for the benchmarks we run */
 #endif

    (void) cycles;

    if ( psize > 4 ) {
       _mesa_problem( NULL, "test_transform_function called with psize > 4\n" );
       return 0;
    }

    mat->m = (GLfloat *) ALIGN_MALLOC( 16 * sizeof(GLfloat), 16 );
    mat->type = mtypes[mtype];

    m = mat->m;
    ASSERT( ((long)m & 15) == 0 );

    init_matrix( m );

    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++) {
       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();
    }

    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 );

    if ( mesa_profile ) {
       BEGIN_RACE( *cycles );
       func( dest, mat->m, source );
       END_RACE( *cycles );
    }
    else {
       func( dest, mat->m, source );
    }

    for ( i = 0 ; i < TEST_COUNT ; i++ ) {
       for ( j = 0 ; j < 4 ; j++ ) {
          if ( significand_match( d[i][j], r[i][j] ) < REQUIRED_PRECISION ) {
             _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] ) );
             _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] ) );
             _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] ) );
             _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;
          }
       }
    }

    ALIGN_FREE( mat->m );
    return 1;
 }

 void _math_test_all_transform_functions( char *description )
 {
    int psize, mtype;
    unsigned long benchmark_tab[4][7];
    static int first_time = 1;

    if ( first_time ) {
       first_time = 0;
       mesa_profile = _mesa_getenv( "MESA_PROFILE" );
    }

 #ifdef RUN_DEBUG_BENCHMARK
    if ( mesa_profile ) {
       if ( !counter_overhead ) {
 	 INIT_COUNTER();
 	 _mesa_printf("counter overhead: %lu cycles\n\n", counter_overhead );
       }
       _mesa_printf("transform results after hooking in %s functions:\n", description );
    }
 #endif

 #ifdef RUN_DEBUG_BENCHMARK
    if ( mesa_profile ) {
       _mesa_printf("\n" );
       for ( psize = 1 ; psize <= 4 ; psize++ ) {
 	 _mesa_printf(" p%d\t", psize );
       }
       _mesa_printf("\n--------------------------------------------------------\n" );
    }
 #endif

    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_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_DEBUG_BENCHMARK
 	 if ( mesa_profile )
 	    _mesa_printf(" %li\t", benchmark_tab[psize-1][mtype] );
 #endif
       }
 #ifdef RUN_DEBUG_BENCHMARK
       if ( mesa_profile )
 	 _mesa_printf(" | [%s]\n", mstrings[mtype] );
 #endif
    }
 #ifdef RUN_DEBUG_BENCHMARK
    if ( mesa_profile )
       _mesa_printf( "\n" );
 #endif
 }


 #endif /* DEBUG_MATH */
	/*
	* Mesa 3-D graphics library
	* Version: 6.1
	*
	* 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"),
	* 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.
	*/

	/*
	* Updated for P6 architecture by Gareth Hughes.
	*/

	#include "glheader.h"
	#include "context.h"
	#include "macros.h"
	#include "imports.h"

	#include "m_matrix.h"
	#include "m_xform.h"

	#include "m_debug.h"
	#include "m_debug_util.h"

	#ifdef __UNIXOS2__
	/* The linker doesn't like empty files */
	static char dummy;
	#endif

	#ifdef DEBUG_MATH /* This code only used for debugging */


	/* Overhead of profiling counter in cycles. Automatically adjusted to
	* your machine at run time - counter initialization should give very
	* consistent results.
	*/
	long counter_overhead = 0;

	/* 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;


	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 enum GLmatrixtype 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"
	};


	/* =============================================================
	* Reference transformations
	*/

	static void ref_transform( GLvector4f *dst,
	const GLmatrix *mat,
	const GLvector4f *src )
	{
	GLuint i;
	GLfloat s = (GLfloat )src->start;
	GLfloat (d)[4] = (GLfloat ()[4])dst->start;
	const GLfloat *m = mat->m;

	for ( i = 0 ; i < src->count ; i++ ) {
	TRANSFORM_POINT( d[i], m, s );
	s = (GLfloat )((char )s + src->stride);
	}
	}


	/* =============================================================
	* Vertex transformation tests
	*/

	static void init_matrix( GLfloat *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;
	}

	ALIGN16(static GLfloat, s[TEST_COUNT][4]);
	ALIGN16(static GLfloat, d[TEST_COUNT][4]);
	ALIGN16(static GLfloat, r[TEST_COUNT][4]);

	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;
	int i, j;
	#ifdef RUN_DEBUG_BENCHMARK
	int cycle_i; /* the counter for the benchmarks we run */
	#endif

	(void) cycles;

	if ( psize > 4 ) {
	_mesa_problem( NULL, "test_transform_function called with psize > 4\n" );
	return 0;
	}

	mat->m = (GLfloat ) ALIGN_MALLOC( 16 sizeof(GLfloat), 16 );
	mat->type = mtypes[mtype];

	m = mat->m;
	ASSERT( ((long)m & 15) == 0 );

	init_matrix( m );

	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++) {
	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();
	}

	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 );

	if ( mesa_profile ) {
	BEGIN_RACE( *cycles );
	func( dest, mat->m, source );
	END_RACE( *cycles );
	}
	else {
	func( dest, mat->m, source );
	}

	for ( i = 0 ; i < TEST_COUNT ; i++ ) {
	for ( j = 0 ; j < 4 ; j++ ) {
	if ( significand_match( d[i][j], r[i][j] ) < REQUIRED_PRECISION ) {
	_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] ) );
	_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] ) );
	_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] ) );
	_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;
	}
	}
	}

	ALIGN_FREE( mat->m );
	return 1;
	}

	void _math_test_all_transform_functions( char *description )
	{
	int psize, mtype;
	unsigned long benchmark_tab[4][7];
	static int first_time = 1;

	if ( first_time ) {
	first_time = 0;
	mesa_profile = _mesa_getenv( "MESA_PROFILE" );
	}

	#ifdef RUN_DEBUG_BENCHMARK
	if ( mesa_profile ) {
	if ( !counter_overhead ) {
	INIT_COUNTER();
	_mesa_printf("counter overhead: %lu cycles\n\n", counter_overhead );
	}
	_mesa_printf("transform results after hooking in %s functions:\n", description );
	}
	#endif

	#ifdef RUN_DEBUG_BENCHMARK
	if ( mesa_profile ) {
	_mesa_printf("\n" );
	for ( psize = 1 ; psize <= 4 ; psize++ ) {
	_mesa_printf(" p%d\t", psize );
	}
	_mesa_printf("\n--------------------------------------------------------\n" );
	}
	#endif

	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_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_DEBUG_BENCHMARK
	if ( mesa_profile )
	_mesa_printf(" %li\t", benchmark_tab[psize-1][mtype] );
	#endif
	}
	#ifdef RUN_DEBUG_BENCHMARK
	if ( mesa_profile )
	_mesa_printf(" \| [%s]\n", mstrings[mtype] );
	#endif
	}
	#ifdef RUN_DEBUG_BENCHMARK
	if ( mesa_profile )
	_mesa_printf( "\n" );
	#endif
	}


	#endif /* DEBUG_MATH */