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float4_t.cpp
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float4_t.cpp
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/*
* Copyright 2010-2014 Branimir Karadzic. All rights reserved.
* License: http://www.opensource.org/licenses/BSD-2-Clause
*/
#include "test.h"
#include <bx/float4_t.h>
#include <string.h>
using namespace bx;
union float4_cast
{
bx::float4_t f4;
float f[4];
uint32_t ui[4];
int32_t i[4];
char c[16];
};
void float4_check_bool(const char* _str, bool _a, bool _0)
{
DBG("%s %d == %d"
, _str
, _a
, _0
);
CHECK_EQUAL(_a, _0);
}
void float4_check_int32(const char* _str, bx::float4_t _a, int32_t _0, int32_t _1, int32_t _2, int32_t _3)
{
float4_cast c; c.f4 = _a;
DBG("%s (%d, %d, %d, %d) == (%d, %d, %d, %d)"
, _str
, c.i[0], c.i[1], c.i[2], c.i[3]
, _0, _1, _2, _3
);
CHECK_EQUAL(c.i[0], _0);
CHECK_EQUAL(c.i[1], _1);
CHECK_EQUAL(c.i[2], _2);
CHECK_EQUAL(c.i[3], _3);
}
void float4_check_uint32(const char* _str, bx::float4_t _a, uint32_t _0, uint32_t _1, uint32_t _2, uint32_t _3)
{
float4_cast c; c.f4 = _a;
DBG("%s (0x%08x, 0x%08x, 0x%08x, 0x%08x) == (0x%08x, 0x%08x, 0x%08x, 0x%08x)"
, _str
, c.ui[0], c.ui[1], c.ui[2], c.ui[3]
, _0, _1, _2, _3
);
CHECK_EQUAL(c.ui[0], _0);
CHECK_EQUAL(c.ui[1], _1);
CHECK_EQUAL(c.ui[2], _2);
CHECK_EQUAL(c.ui[3], _3);
}
void float4_check_float(const char* _str, bx::float4_t _a, float _0, float _1, float _2, float _3)
{
float4_cast c; c.f4 = _a;
DBG("%s (%f, %f, %f, %f) == (%f, %f, %f, %f)"
, _str
, c.f[0], c.f[1], c.f[2], c.f[3]
, _0, _1, _2, _3
);
CHECK_EQUAL(c.f[0], _0);
CHECK_EQUAL(c.f[1], _1);
CHECK_EQUAL(c.f[2], _2);
CHECK_EQUAL(c.f[3], _3);
}
void float4_check_string(const char* _str, bx::float4_t _a)
{
float4_cast c; c.f4 = _a;
const char test[5] = { c.c[0], c.c[4], c.c[8], c.c[12], '\0' };
DBG("%s %s", _str, test);
CHECK(0 == strcmp(_str, test) );
}
TEST(float4_swizzle)
{
const float4_t xyzw = float4_ild(0x78787878, 0x79797979, 0x7a7a7a7a, 0x77777777);
#define ELEMx 0
#define ELEMy 1
#define ELEMz 2
#define ELEMw 3
#define IMPLEMENT_SWIZZLE(_x, _y, _z, _w) \
float4_check_string("" #_x #_y #_z #_w "", float4_swiz_##_x##_y##_z##_w(xyzw) ); \
#include <bx/float4_swizzle.inl>
#undef IMPLEMENT_SWIZZLE
#undef ELEMw
#undef ELEMz
#undef ELEMy
#undef ELEMx
}
TEST(float4_shuffle)
{
const float4_t xyzw = float4_ild(0x78787878, 0x79797979, 0x7a7a7a7a, 0x77777777);
const float4_t ABCD = float4_ild(0x41414141, 0x42424242, 0x43434343, 0x44444444);
float4_check_string("xyAB", float4_shuf_xyAB(xyzw, ABCD) );
float4_check_string("ABxy", float4_shuf_ABxy(xyzw, ABCD) );
float4_check_string("zwCD", float4_shuf_zwCD(xyzw, ABCD) );
float4_check_string("CDzw", float4_shuf_CDzw(xyzw, ABCD) );
float4_check_string("xAyB", float4_shuf_xAyB(xyzw, ABCD) );
float4_check_string("zCwD", float4_shuf_zCwD(xyzw, ABCD) );
float4_check_string("xAzC", float4_shuf_xAzC(xyzw, ABCD) );
float4_check_string("yBwD", float4_shuf_yBwD(xyzw, ABCD) );
float4_check_string("CzDw", float4_shuf_CzDw(xyzw, ABCD) );
}
TEST(float4_compare)
{
float4_check_uint32("cmpeq"
, float4_cmpeq(float4_ld(1.0f, 2.0f, 3.0f, 4.0f), float4_ld(0.0f, 2.0f, 0.0f, 3.0f) )
, 0, 0xffffffff, 0, 0
);
float4_check_uint32("cmplt"
, float4_cmplt(float4_ld(1.0f, 2.0f, 3.0f, 4.0f), float4_ld(0.0f, 2.0f, 0.0f, 3.0f) )
, 0, 0, 0, 0
);
float4_check_uint32("cmple"
, float4_cmple(float4_ld(1.0f, 2.0f, 3.0f, 4.0f), float4_ld(0.0f, 2.0f, 0.0f, 3.0f) )
, 0, 0xffffffff, 0, 0
);
float4_check_uint32("cmpgt"
, float4_cmpgt(float4_ld(1.0f, 2.0f, 3.0f, 4.0f), float4_ld(0.0f, 2.0f, 0.0f, 3.0f) )
, 0xffffffff, 0, 0xffffffff, 0xffffffff
);
float4_check_uint32("cmpge"
, float4_cmpge(float4_ld(1.0f, 2.0f, 3.0f, 4.0f), float4_ld(0.0f, 2.0f, 0.0f, 3.0f) )
, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff
);
float4_check_uint32("icmpeq"
, float4_icmpeq(float4_ild(0, 1, 2, 3), float4_ild(0, uint32_t(-2), 1, 3) )
, 0xffffffff, 0, 0, 0xffffffff
);
float4_check_uint32("icmplt"
, float4_icmplt(float4_ild(0, 1, 2, 3), float4_ild(0, uint32_t(-2), 1, 3) )
, 0, 0, 0, 0
);
float4_check_uint32("icmpgt"
, float4_icmpgt(float4_ild(0, 1, 2, 3), float4_ild(0, uint32_t(-2), 1, 3) )
, 0, 0xffffffff, 0xffffffff, 0
);
}
TEST(float4_test)
{
float4_check_bool("test_any_xyzw"
, float4_test_any_xyzw(float4_ild(0xffffffff, 0, 0, 0) )
, true
);
float4_check_bool("test_all_xyzw"
, float4_test_all_xyzw(float4_ild(0xffffffff, 0, 0xffffffff, 0) )
, false
);
float4_check_bool("test_all_xyzw"
, float4_test_all_xyzw(float4_ild(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff) )
, true
);
float4_check_bool("test_all_xw"
, float4_test_all_xw(float4_ild(0xffffffff, 0, 0, 0xffffffff) )
, true
);
float4_check_bool("test_all_xzw"
, float4_test_all_xzw(float4_ild(0xffffffff, 0, 0, 0xffffffff) )
, false
);
}
TEST(float4_load)
{
float4_check_float("ld"
, float4_ld(0.0f, 1.0f, 2.0f, 3.0f)
, 0.0f, 1.0f, 2.0f, 3.0f
);
float4_check_int32("ild"
, float4_ild(uint32_t(-1), 0, 1, 2)
, uint32_t(-1), 0, 1, 2
);
float4_check_int32("ild"
, float4_ild(uint32_t(-1), uint32_t(-2), uint32_t(-3), uint32_t(-4) )
, uint32_t(-1), uint32_t(-2), uint32_t(-3), uint32_t(-4)
);
float4_check_uint32("zero", float4_zero()
, 0, 0, 0, 0
);
float4_check_uint32("isplat", float4_isplat(0x80000001)
, 0x80000001, 0x80000001, 0x80000001, 0x80000001
);
float4_check_float("isplat", float4_splat(1.0f)
, 1.0f, 1.0f, 1.0f, 1.0f
);
}
TEST(float4_arithmetic)
{
float4_check_float("madd"
, float4_madd(float4_ld(0.0f, 1.0f, 2.0f, 3.0f), float4_ld(4.0f, 5.0f, 6.0f, 7.0f), float4_ld(8.0f, 9.0f, 10.0f, 11.0f) )
, 8.0f, 14.0f, 22.0f, 32.0f
);
}
TEST(float4)
{
const float4_t isplat = float4_isplat(0x80000001);
float4_check_uint32("sll"
, float4_sll(isplat, 1)
, 0x00000002, 0x00000002, 0x00000002, 0x00000002
);
float4_check_uint32("srl"
, float4_srl(isplat, 1)
, 0x40000000, 0x40000000, 0x40000000, 0x40000000
);
float4_check_uint32("sra"
, float4_sra(isplat, 1)
, 0xc0000000, 0xc0000000, 0xc0000000, 0xc0000000
);
float4_check_uint32("and"
, float4_and(float4_isplat(0x55555555), float4_isplat(0xaaaaaaaa) )
, 0, 0, 0, 0
);
float4_check_uint32("or "
, float4_or(float4_isplat(0x55555555), float4_isplat(0xaaaaaaaa) )
, uint32_t(-1), uint32_t(-1), uint32_t(-1), uint32_t(-1)
);
float4_check_uint32("xor"
, float4_or(float4_isplat(0x55555555), float4_isplat(0xaaaaaaaa) )
, uint32_t(-1), uint32_t(-1), uint32_t(-1), uint32_t(-1)
);
float4_check_int32("imin"
, float4_imin(float4_ild(0, 1, 2, 3), float4_ild(uint32_t(-1), 2, uint32_t(-2), 1) )
, uint32_t(-1), 1, uint32_t(-2), 1
);
float4_check_float("min"
, float4_min(float4_ld(0.0f, 1.0f, 2.0f, 3.0f), float4_ld(-1.0f, 2.0f, -2.0f, 1.0f) )
, -1.0f, 1.0f, -2.0f, 1.0f
);
float4_check_int32("imax"
, float4_imax(float4_ild(0, 1, 2, 3), float4_ild(uint32_t(-1), 2, uint32_t(-2), 1) )
, 0, 2, 2, 3
);
float4_check_float("max"
, float4_max(float4_ld(0.0f, 1.0f, 2.0f, 3.0f), float4_ld(-1.0f, 2.0f, -2.0f, 1.0f) )
, 0.0f, 2.0f, 2.0f, 3.0f
);
}