diff options
Diffstat (limited to '3rdparty/bx/tests/simd_t.cpp')
-rw-r--r-- | 3rdparty/bx/tests/simd_t.cpp | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/3rdparty/bx/tests/simd_t.cpp b/3rdparty/bx/tests/simd_t.cpp new file mode 100644 index 00000000000..999438a234a --- /dev/null +++ b/3rdparty/bx/tests/simd_t.cpp @@ -0,0 +1,309 @@ +/* + * Copyright 2010-2016 Branimir Karadzic. All rights reserved. + * License: https://github.com/bkaradzic/bx#license-bsd-2-clause + */ + +#include "test.h" +#include <bx/simd_t.h> +#include <bx/fpumath.h> +#include <string.h> + +using namespace bx; + +union simd_cast +{ + bx::simd128_t f4; + float f[4]; + uint32_t ui[4]; + int32_t i[4]; + char c[16]; +}; + +void simd_check_bool(const char* _str, bool _a, bool _0) +{ + DBG("%s %d == %d" + , _str + , _a + , _0 + ); + + CHECK_EQUAL(_a, _0); +} + +void simd_check_int32(const char* _str, bx::simd128_t _a, int32_t _0, int32_t _1, int32_t _2, int32_t _3) +{ + simd_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 simd_check_uint32(const char* _str, bx::simd128_t _a, uint32_t _0, uint32_t _1, uint32_t _2, uint32_t _3) +{ + simd_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 simd_check_float(const char* _str, bx::simd128_t _a, float _0, float _1, float _2, float _3) +{ + simd_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(bx::fequal(c.f[0], _0, 0.0001f) ); + CHECK(bx::fequal(c.f[1], _1, 0.0001f) ); + CHECK(bx::fequal(c.f[2], _2, 0.0001f) ); + CHECK(bx::fequal(c.f[3], _3, 0.0001f) ); +} + +void simd_check_string(const char* _str, bx::simd128_t _a) +{ + simd_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(simd_swizzle) +{ + const simd128_t xyzw = simd_ild(0x78787878, 0x79797979, 0x7a7a7a7a, 0x77777777); + +#define ELEMx 0 +#define ELEMy 1 +#define ELEMz 2 +#define ELEMw 3 +#define BX_SIMD128_IMPLEMENT_SWIZZLE(_x, _y, _z, _w) \ + simd_check_string("" #_x #_y #_z #_w "", simd_swiz_##_x##_y##_z##_w(xyzw) ); \ + +#include <bx/simd128_swizzle.inl> + +#undef BX_SIMD128_IMPLEMENT_SWIZZLE +#undef ELEMw +#undef ELEMz +#undef ELEMy +#undef ELEMx +} + +TEST(simd_shuffle) +{ + const simd128_t xyzw = simd_ild(0x78787878, 0x79797979, 0x7a7a7a7a, 0x77777777); + const simd128_t ABCD = simd_ild(0x41414141, 0x42424242, 0x43434343, 0x44444444); + simd_check_string("xyAB", simd_shuf_xyAB(xyzw, ABCD) ); + simd_check_string("ABxy", simd_shuf_ABxy(xyzw, ABCD) ); + simd_check_string("zwCD", simd_shuf_zwCD(xyzw, ABCD) ); + simd_check_string("CDzw", simd_shuf_CDzw(xyzw, ABCD) ); + simd_check_string("xAyB", simd_shuf_xAyB(xyzw, ABCD) ); + simd_check_string("zCwD", simd_shuf_zCwD(xyzw, ABCD) ); + simd_check_string("xAzC", simd_shuf_xAzC(xyzw, ABCD) ); + simd_check_string("yBwD", simd_shuf_yBwD(xyzw, ABCD) ); + simd_check_string("CzDw", simd_shuf_CzDw(xyzw, ABCD) ); +} + +TEST(simd_compare) +{ + simd_check_uint32("cmpeq" + , simd_cmpeq(simd_ld(1.0f, 2.0f, 3.0f, 4.0f), simd_ld(0.0f, 2.0f, 0.0f, 3.0f) ) + , 0, 0xffffffff, 0, 0 + ); + + simd_check_uint32("cmplt" + , simd_cmplt(simd_ld(1.0f, 2.0f, 3.0f, 4.0f), simd_ld(0.0f, 2.0f, 0.0f, 3.0f) ) + , 0, 0, 0, 0 + ); + + simd_check_uint32("cmple" + , simd_cmple(simd_ld(1.0f, 2.0f, 3.0f, 4.0f), simd_ld(0.0f, 2.0f, 0.0f, 3.0f) ) + , 0, 0xffffffff, 0, 0 + ); + + simd_check_uint32("cmpgt" + , simd_cmpgt(simd_ld(1.0f, 2.0f, 3.0f, 4.0f), simd_ld(0.0f, 2.0f, 0.0f, 3.0f) ) + , 0xffffffff, 0, 0xffffffff, 0xffffffff + ); + + simd_check_uint32("cmpge" + , simd_cmpge(simd_ld(1.0f, 2.0f, 3.0f, 4.0f), simd_ld(0.0f, 2.0f, 0.0f, 3.0f) ) + , 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff + ); + + simd_check_uint32("icmpeq" + , simd_icmpeq(simd_ild(0, 1, 2, 3), simd_ild(0, uint32_t(-2), 1, 3) ) + , 0xffffffff, 0, 0, 0xffffffff + ); + + simd_check_uint32("icmplt" + , simd_icmplt(simd_ild(0, 1, 2, 3), simd_ild(0, uint32_t(-2), 1, 3) ) + , 0, 0, 0, 0 + ); + + simd_check_uint32("icmpgt" + , simd_icmpgt(simd_ild(0, 1, 2, 3), simd_ild(0, uint32_t(-2), 1, 3) ) + , 0, 0xffffffff, 0xffffffff, 0 + ); +} + +TEST(simd_test) +{ + simd_check_bool("test_any_xyzw" + , simd_test_any_xyzw(simd_ild(0xffffffff, 0, 0, 0) ) + , true + ); + + simd_check_bool("test_all_xyzw" + , simd_test_all_xyzw(simd_ild(0xffffffff, 0, 0xffffffff, 0) ) + , false + ); + + simd_check_bool("test_all_xyzw" + , simd_test_all_xyzw(simd_ild(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff) ) + , true + ); + + simd_check_bool("test_all_xw" + , simd_test_all_xw(simd_ild(0xffffffff, 0, 0, 0xffffffff) ) + , true + ); + + simd_check_bool("test_all_xzw" + , simd_test_all_xzw(simd_ild(0xffffffff, 0, 0, 0xffffffff) ) + , false + ); +} + +TEST(simd_load) +{ + simd_check_float("ld" + , simd_ld(0.0f, 1.0f, 2.0f, 3.0f) + , 0.0f, 1.0f, 2.0f, 3.0f + ); + + simd_check_int32("ild" + , simd_ild(uint32_t(-1), 0, 1, 2) + , uint32_t(-1), 0, 1, 2 + ); + + simd_check_int32("ild" + , simd_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) + ); + + simd_check_uint32("zero", simd_zero() + , 0, 0, 0, 0 + ); + + simd_check_uint32("isplat", simd_isplat(0x80000001) + , 0x80000001, 0x80000001, 0x80000001, 0x80000001 + ); + + simd_check_float("isplat", simd_splat(1.0f) + , 1.0f, 1.0f, 1.0f, 1.0f + ); +} + +TEST(simd_arithmetic) +{ + simd_check_float("madd" + , simd_madd(simd_ld(0.0f, 1.0f, 2.0f, 3.0f), simd_ld(4.0f, 5.0f, 6.0f, 7.0f), simd_ld(8.0f, 9.0f, 10.0f, 11.0f) ) + , 8.0f, 14.0f, 22.0f, 32.0f + ); + + simd_check_float("cross3" + , simd_cross3(simd_ld(1.0f, 0.0f, 0.0f, 0.0f), simd_ld(0.0f, 1.0f, 0.0f, 0.0f) ) + , 0.0f, 0.0f, 1.0f, 0.0f + ); +} + +TEST(simd_sqrt) +{ + simd_check_float("simd_sqrt" + , simd_sqrt(simd_ld(1.0f, 16.0f, 65536.0f, 123456.0f) ) + , 1.0f, 4.0f, 256.0f, 351.363060096f + ); + + simd_check_float("simd_sqrt_nr_ni" + , simd_sqrt_nr_ni(simd_ld(1.0f, 16.0f, 65536.0f, 123456.0f) ) + , 1.0f, 4.0f, 256.0f, 351.363060096f + ); + + simd_check_float("simd_sqrt_nr1_ni" + , simd_sqrt_nr1_ni(simd_ld(1.0f, 16.0f, 65536.0f, 123456.0f) ) + , 1.0f, 4.0f, 256.0f, 351.363060096f + ); +} + +TEST(float4) +{ + const simd128_t isplat = simd_isplat(0x80000001); + simd_check_uint32("sll" + , simd_sll(isplat, 1) + , 0x00000002, 0x00000002, 0x00000002, 0x00000002 + ); + + simd_check_uint32("srl" + , simd_srl(isplat, 1) + , 0x40000000, 0x40000000, 0x40000000, 0x40000000 + ); + + simd_check_uint32("sra" + , simd_sra(isplat, 1) + , 0xc0000000, 0xc0000000, 0xc0000000, 0xc0000000 + ); + + simd_check_uint32("and" + , simd_and(simd_isplat(0x55555555), simd_isplat(0xaaaaaaaa) ) + , 0, 0, 0, 0 + ); + + simd_check_uint32("or " + , simd_or(simd_isplat(0x55555555), simd_isplat(0xaaaaaaaa) ) + , uint32_t(-1), uint32_t(-1), uint32_t(-1), uint32_t(-1) + ); + + simd_check_uint32("xor" + , simd_or(simd_isplat(0x55555555), simd_isplat(0xaaaaaaaa) ) + , uint32_t(-1), uint32_t(-1), uint32_t(-1), uint32_t(-1) + ); + + simd_check_int32("imin" + , simd_imin(simd_ild(0, 1, 2, 3), simd_ild(uint32_t(-1), 2, uint32_t(-2), 1) ) + , uint32_t(-1), 1, uint32_t(-2), 1 + ); + + simd_check_float("min" + , simd_min(simd_ld(0.0f, 1.0f, 2.0f, 3.0f), simd_ld(-1.0f, 2.0f, -2.0f, 1.0f) ) + , -1.0f, 1.0f, -2.0f, 1.0f + ); + + simd_check_int32("imax" + , simd_imax(simd_ild(0, 1, 2, 3), simd_ild(uint32_t(-1), 2, uint32_t(-2), 1) ) + , 0, 2, 2, 3 + ); + + simd_check_float("max" + , simd_max(simd_ld(0.0f, 1.0f, 2.0f, 3.0f), simd_ld(-1.0f, 2.0f, -2.0f, 1.0f) ) + , 0.0f, 2.0f, 2.0f, 3.0f + ); +} |