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GL3: Update HandMadeMath.h to include my non-SSE patch

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from https://github.com/StrangeZak/Handmade-Math/pull/60

Hopefully fixes #204 (broken build on ARM)
This commit is contained in:
Daniel Gibson 2017-06-09 12:30:44 +02:00
parent 8fa861d8e9
commit 36c880e105
2 changed files with 30 additions and 11 deletions
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3
src/client/refresh/gl3/gl3_main.c
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@ -29,9 +29,6 @@
#include "../../header/ref.h"
#include "header/local.h"
#ifndef __SSE__
#define HANDMADE_MATH_NO_SSE
#endif
#define HANDMADE_MATH_IMPLEMENTATION
#include "header/HandmadeMath.h"

38
src/client/refresh/gl3/header/HandmadeMath.h
View file

@ -173,6 +173,8 @@
(*) Resolved compiler warnings on gcc and g++
1.1.2
(*) Fixed invalid HMMDEF's in the function definitions
1.1.3
(*) Fixed compile error in C mode
LICENSE
@ -198,7 +200,27 @@
Insofaras (@insofaras)
*/
#ifndef HANDMADE_NO_SSE
// let's figure out if SSE is really available (unless disabled anyway)
// (it isn't on non-x86/x86_64 platforms or even x86 without explicit SSE support)
// => only use "#ifdef HANDMADE_MATH__USE_SSE" to check for SSE support below this block!
#ifndef HANDMADE_MATH_NO_SSE
# ifdef _MSC_VER
// MSVC supports SSE in amd64 mode or _M_IX86_FP >= 1 (2 means SSE2)
# if defined(_M_AMD64) || ( defined(_M_IX86_FP) && _M_IX86_FP >= 1 )
# define HANDMADE_MATH__USE_SSE 1
# endif
# else // not MSVC, probably GCC, clang, icc or something that doesn't support SSE anyway
# ifdef __SSE__ // they #define __SSE__ if it's supported
# define HANDMADE_MATH__USE_SSE 1
# endif // __SSE__
# endif // not _MSC_VER
#endif // #ifndef HANDMADE_MATH_NO_SSE
#ifdef HANDMADE_MATH__USE_SSE
#include <xmmintrin.h>
#endif
@ -755,12 +777,12 @@ HMM_SquareRootF(float Value)
{
float Result = 0.0f;
#ifdef HANDMADE_MATH_NO_SSE
Result = sqrtf(Value);
#else
#ifdef HANDMADE_MATH__USE_SSE
__m128 In = _mm_set_ss(Value);
__m128 Out = _mm_sqrt_ss(In);
Result = _mm_cvtss_f32(Out);
#else
Result = sqrtf(Value);
#endif
return(Result);
@ -771,12 +793,12 @@ HMM_RSquareRootF(float Value)
{
float Result = 0.0f;
#ifdef HANDMADE_MATH_NO_SSE
Result = 1.0f/HMM_SquareRootF(Value);
#else
#ifdef HANDMADE_MATH__USE_SSE
__m128 In = _mm_set_ss(Value);
__m128 Out = _mm_rsqrt_ss(In);
Result = _mm_cvtss_f32(Out);
#else
Result = 1.0f/HMM_SquareRootF(Value);
#endif
return(Result);
@ -1692,7 +1714,7 @@ HMM_NLerp(hmm_quaternion Left, float Time, hmm_quaternion Right)
Result.Z = HMM_Lerp(Left.Z, Time, Right.Z);
Result.W = HMM_Lerp(Left.W, Time, Right.W);
HMM_NormalizeQuaternion(Result);
Result = HMM_NormalizeQuaternion(Result);
return(Result);
}