src/gallium/drivers/llvmpipe/lp_test.h

/**************************************************************************
 *
 * Copyright 2009 VMware, Inc.
 * All Rights Reserved.
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 * permit persons to whom the Software is furnished to do so, subject to
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 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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/**
 * @file
 * Shared testing code.
 *
 * @author Jose Fonseca <jfonseca@vmware.com>
 */


#ifndef LP_TEST_H
#define LP_TEST_H


#include <stdlib.h>
#include <stdio.h>
#include <float.h>

#include "gallivm/lp_bld.h"

#include "pipe/p_state.h"
#include "util/u_format.h"
#include "util/u_math.h"
#include "util/u_dump.h"

#include "gallivm/lp_bld_type.h"


#define LP_TEST_NUM_SAMPLES 32


void
write_tsv_header(FILE *fp);


boolean
test_some(unsigned verbose, FILE *fp,
          unsigned long n);

boolean
test_single(unsigned verbose, FILE *fp);

boolean
test_all(unsigned verbose, FILE *fp);


#if defined(PIPE_CC_MSVC)

unsigned __int64 __rdtsc();
#pragma intrinsic(__rdtsc)
#define rdtsc() __rdtsc()

#elif defined(PIPE_CC_GCC) && (defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64))

static INLINE uint64_t
rdtsc(void)
{
   uint32_t hi, lo;
   __asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi));
   return ((uint64_t)lo) | (((uint64_t)hi) << 32);
}

#else

#define rdtsc() 0

#endif



float
random_float(void);


void
dump_type(FILE *fp, struct lp_type type);


double
read_elem(struct lp_type type, const void *src, unsigned index);


void
write_elem(struct lp_type type, void *dst, unsigned index, double src);


void
random_elem(struct lp_type type, void *dst, unsigned index);


void
read_vec(struct lp_type type, const void *src, double *dst);


void
write_vec(struct lp_type type, void *dst, const double *src);


void
random_vec(struct lp_type type, void *dst);


boolean
compare_vec_with_eps(struct lp_type type, const void *res, const void *ref, double eps);


boolean
compare_vec(struct lp_type type, const void *res, const void *ref);


void
dump_vec(FILE *fp, struct lp_type type, const void *src);


#endif /* !LP_TEST_H */