e173d14bd5daa0d468c896bc186a4e5aa9af9bb6
3 * Mesa 3-D graphics library
6 * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * Updated for P6 architecture by Gareth Hughes.
39 #include "m_debug_util.h"
41 #ifdef DEBUG /* This code only used for debugging */
44 /* Overhead of profiling counter in cycles. Automatically adjusted to
45 * your machine at run time - counter initialization should give very
48 long counter_overhead
= 0;
50 /* This is the value of the environment variable MESA_PROFILE, and is
51 * used to determine if we should benchmark the functions as well as
52 * verify their correctness.
54 char *mesa_profile
= NULL
;
57 static int m_general
[16] = {
63 static int m_identity
[16] = {
69 static int m_2d
[16] = {
75 static int m_2d_no_rot
[16] = {
81 static int m_3d
[16] = {
87 static int m_3d_no_rot
[16] = {
93 static int m_perspective
[16] = {
99 static int *templates
[7] = {
108 static enum GLmatrixtype mtypes
[7] = {
117 static char *mstrings
[7] = {
121 "MATRIX_PERSPECTIVE",
128 /* =============================================================
129 * Reference transformations
132 static void ref_transform( GLvector4f
*dst
,
134 const GLvector4f
*src
)
137 GLfloat
*s
= (GLfloat
*)src
->start
;
138 GLfloat (*d
)[4] = (GLfloat (*)[4])dst
->start
;
139 const GLfloat
*m
= mat
->m
;
141 for ( i
= 0 ; i
< src
->count
; i
++ ) {
142 TRANSFORM_POINT( d
[i
], m
, s
);
143 s
= (GLfloat
*)((char *)s
+ src
->stride
);
148 /* =============================================================
149 * Vertex transformation tests
152 static void init_matrix( GLfloat
*m
)
154 m
[0] = 63.0; m
[4] = 43.0; m
[ 8] = 29.0; m
[12] = 43.0;
155 m
[1] = 55.0; m
[5] = 17.0; m
[ 9] = 31.0; m
[13] = 7.0;
156 m
[2] = 44.0; m
[6] = 9.0; m
[10] = 7.0; m
[14] = 3.0;
157 m
[3] = 11.0; m
[7] = 23.0; m
[11] = 91.0; m
[15] = 9.0;
160 static GLfloat s
[TEST_COUNT
][4] ALIGN16
;
161 static GLfloat d
[TEST_COUNT
][4] ALIGN16
;
162 static GLfloat r
[TEST_COUNT
][4] ALIGN16
;
164 static int test_transform_function( transform_func func
, int psize
,
165 int mtype
, long *cycles
)
167 GLvector4f source
[1], dest
[1], ref
[1];
171 #ifdef RUN_DEBUG_BENCHMARK
172 int cycle_i
; /* the counter for the benchmarks we run */
178 _mesa_problem( NULL
, "test_transform_function called with psize > 4\n" );
182 mat
->m
= (GLfloat
*) ALIGN_MALLOC( 16 * sizeof(GLfloat
), 16 );
183 mat
->type
= mtypes
[mtype
];
186 ASSERT( ((GLuint
)m
& 15) == 0 );
190 for ( i
= 0 ; i
< 4 ; i
++ ) {
191 for ( j
= 0 ; j
< 4 ; j
++ ) {
192 switch ( templates
[mtype
][i
* 4 + j
] ) {
210 for ( i
= 0 ; i
< TEST_COUNT
; i
++) {
211 ASSIGN_4V( d
[i
], 0.0, 0.0, 0.0, 1.0 );
212 ASSIGN_4V( s
[i
], 0.0, 0.0, 0.0, 1.0 );
213 for ( j
= 0 ; j
< psize
; j
++ )
217 source
->data
= (GLfloat(*)[4])s
;
218 source
->start
= (GLfloat
*)s
;
219 source
->count
= TEST_COUNT
;
220 source
->stride
= sizeof(s
[0]);
224 dest
->data
= (GLfloat(*)[4])d
;
225 dest
->start
= (GLfloat
*)d
;
226 dest
->count
= TEST_COUNT
;
227 dest
->stride
= sizeof(float[4]);
231 ref
->data
= (GLfloat(*)[4])r
;
232 ref
->start
= (GLfloat
*)r
;
233 ref
->count
= TEST_COUNT
;
234 ref
->stride
= sizeof(float[4]);
238 ref_transform( ref
, mat
, source
);
240 if ( mesa_profile
) {
241 BEGIN_RACE( *cycles
);
242 func( dest
, mat
->m
, source
);
246 func( dest
, mat
->m
, source
);
249 for ( i
= 0 ; i
< TEST_COUNT
; i
++ ) {
250 for ( j
= 0 ; j
< 4 ; j
++ ) {
251 if ( significand_match( d
[i
][j
], r
[i
][j
] ) < REQUIRED_PRECISION
) {
252 _mesa_printf("-----------------------------\n" );
253 _mesa_printf("(i = %i, j = %i)\n", i
, j
);
254 _mesa_printf("%f \t %f \t [diff = %e - %i bit missed]\n",
255 d
[i
][0], r
[i
][0], r
[i
][0]-d
[i
][0],
256 MAX_PRECISION
- significand_match( d
[i
][0], r
[i
][0] ) );
257 _mesa_printf("%f \t %f \t [diff = %e - %i bit missed]\n",
258 d
[i
][1], r
[i
][1], r
[i
][1]-d
[i
][1],
259 MAX_PRECISION
- significand_match( d
[i
][1], r
[i
][1] ) );
260 _mesa_printf("%f \t %f \t [diff = %e - %i bit missed]\n",
261 d
[i
][2], r
[i
][2], r
[i
][2]-d
[i
][2],
262 MAX_PRECISION
- significand_match( d
[i
][2], r
[i
][2] ) );
263 _mesa_printf("%f \t %f \t [diff = %e - %i bit missed]\n",
264 d
[i
][3], r
[i
][3], r
[i
][3]-d
[i
][3],
265 MAX_PRECISION
- significand_match( d
[i
][3], r
[i
][3] ) );
271 ALIGN_FREE( mat
->m
);
275 void _math_test_all_transform_functions( char *description
)
278 long benchmark_tab
[4][7];
279 static int first_time
= 1;
283 mesa_profile
= getenv( "MESA_PROFILE" );
286 #ifdef RUN_DEBUG_BENCHMARK
287 if ( mesa_profile
) {
288 if ( !counter_overhead
) {
290 _mesa_printf("counter overhead: %ld cycles\n\n", counter_overhead
);
292 _mesa_printf("transform results after hooking in %s functions:\n", description
);
296 #ifdef RUN_DEBUG_BENCHMARK
297 if ( mesa_profile
) {
299 for ( psize
= 1 ; psize
<= 4 ; psize
++ ) {
300 _mesa_printf(" p%d\t", psize
);
302 _mesa_printf("\n--------------------------------------------------------\n" );
306 for ( mtype
= 0 ; mtype
< 7 ; mtype
++ ) {
307 for ( psize
= 1 ; psize
<= 4 ; psize
++ ) {
308 transform_func func
= _mesa_transform_tab
[psize
][mtypes
[mtype
]];
309 long *cycles
= &(benchmark_tab
[psize
-1][mtype
]);
311 if ( test_transform_function( func
, psize
, mtype
, cycles
) == 0 ) {
313 _mesa_sprintf(buf
, "_mesa_transform_tab[0][%d][%s] failed test (%s)",
314 psize
, mstrings
[mtype
], description
);
315 _mesa_problem( NULL
, buf
);
317 #ifdef RUN_DEBUG_BENCHMARK
319 _mesa_printf(" %li\t", benchmark_tab
[psize
-1][mtype
] );
322 #ifdef RUN_DEBUG_BENCHMARK
324 _mesa_printf(" | [%s]\n", mstrings
[mtype
] );
327 #ifdef RUN_DEBUG_BENCHMARK
329 _mesa_printf( "\n" );