aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/extras/Mesa/src/mesa/math/m_debug_util.h
diff options
context:
space:
mode:
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.h320
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__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 19:51:47 +0000