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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/math/m_debug_util.h')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/math/m_debug_util.h | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/math/m_debug_util.h b/nx-X11/extras/Mesa/src/mesa/math/m_debug_util.h deleted file mode 100644 index 1b7d742a8..000000000 --- a/nx-X11/extras/Mesa/src/mesa/math/m_debug_util.h +++ /dev/null @@ -1,320 +0,0 @@ -/* - * 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. - * - * Authors: - * Gareth Hughes - */ - -#ifndef __M_DEBUG_UTIL_H__ -#define __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)) || \ - (defined(__sparc__) && defined(USE_SPARC_ASM))) -#define RUN_DEBUG_BENCHMARK -#endif - -#define TEST_COUNT 128 /* size of the tested vector array */ - -#define REQUIRED_PRECISION 10 /* allow 4 bits to miss */ -#define MAX_PRECISION 24 /* max. precision possible */ - - -#ifdef RUN_DEBUG_BENCHMARK -/* Overhead of profiling counter in cycles. Automatically adjusted to - * your machine at run time - counter initialization should give very - * consistent results. - */ -extern long counter_overhead; - -/* 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. - */ -extern char *mesa_profile; - -/* 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. - */ - -#if defined(__i386__) - -#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 < 8 ; cycle_i++ ) { \ - long cycle_tmp1 = 0, cycle_tmp2 = 0; \ - __asm__ __volatile__ ( "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__ __volatile__ ( "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__ __volatile__ ( "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 - -#elif defined(__amd64__) - -#define rdtscll(val) do { \ - unsigned int a,d; \ - __asm__ volatile("rdtsc" : "=a" (a), "=d" (d)); \ - (val) = ((unsigned long)a) | (((unsigned long)d)<<32); \ -} while(0) - -/* Copied from i386 PIII version */ -#define INIT_COUNTER() \ - do { \ - int cycle_i; \ - counter_overhead = LONG_MAX; \ - for ( cycle_i = 0 ; cycle_i < 16 ; cycle_i++ ) { \ - unsigned long cycle_tmp1, cycle_tmp2; \ - rdtscll(cycle_tmp1); \ - rdtscll(cycle_tmp2); \ - 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++ ) { \ - unsigned long cycle_tmp1, cycle_tmp2; \ - rdtscll(cycle_tmp1); \ - -#define END_RACE(x) \ - rdtscll(cycle_tmp2); \ - if ( x > (cycle_tmp2 - cycle_tmp1) ) { \ - x = cycle_tmp2 - cycle_tmp1; \ - } \ - } \ - x -= counter_overhead; - -#elif defined(__sparc__) - -#define INIT_COUNTER() \ - do { counter_overhead = 5; } while(0) - -#define BEGIN_RACE(x) \ -x = LONG_MAX; \ -for (cycle_i = 0; cycle_i <10; cycle_i++) { \ - register long cycle_tmp1 asm("l0"); \ - register long cycle_tmp2 asm("l1"); \ - /* rd %tick, %l0 */ \ - __asm__ __volatile__ (".word 0xa1410000" : "=r" (cycle_tmp1)); /* save timestamp */ - -#define END_RACE(x) \ - /* rd %tick, %l1 */ \ - __asm__ __volatile__ (".word 0xa3410000" : "=r" (cycle_tmp2)); \ - if (x > (cycle_tmp2-cycle_tmp1)) x = cycle_tmp2 - cycle_tmp1; \ -} \ -x -= counter_overhead; - -#else -#error Your processor is not supported for RUN_XFORM_BENCHMARK -#endif - -#else - -#define BEGIN_RACE(x) -#define END_RACE(x) - -#endif - - -/* ============================================================= - * 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; - } - - FREXPF( a, &a_ex ); - FREXPF( b, &b_ex ); - FREXPF( d, &d_ex ); - - if ( a_ex < b_ex ) { - return a_ex - d_ex; - } else { - return b_ex - d_ex; - } -} - -enum { NIL = 0, ONE = 1, NEG = -1, VAR = 2 }; - -/* Ensure our arrays are correctly aligned. - */ -#if defined(__GNUC__) -# define ALIGN16(type, array) type array __attribute__ ((aligned (16))) -#elif defined(__MSC__) -# define ALIGN16(type, array) type array __declspec(align(16)) /* GH: Does this work? */ -#elif defined(__WATCOMC__) -# define ALIGN16(type, array) /* Watcom does not support this */ -#elif defined(__xlC__) -# define ALIGN16(type, array) type __align (16) array -#else -# warning "ALIGN16 will not 16-byte align!\n" -# define ALIGN16 -#endif - - -#endif /* DEBUG */ - -#endif /* __M_DEBUG_UTIL_H__ */ |