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Use SSE in HMM_MultiplyMat4ByVec4 (#77)

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Implements HMM_MultiplyMat4ByVec4 with HMM_LinearCombineSSE if SSE is
enabled.
This commit is contained in:
IJzerbaard
2018-02-11 20:24:39 +01:00
committed by Ben Visness
parent eb5c659148
commit 77914405c3
1 changed files with 6 additions and 2 deletions
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8
HandmadeMath.h
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@@ -2259,7 +2259,10 @@ hmm_mat4 HMM_MultiplyMat4f(hmm_mat4 Matrix, float Scalar)
hmm_vec4 HMM_MultiplyMat4ByVec4(hmm_mat4 Matrix, hmm_vec4 Vector)
{
hmm_vec4 Result;
#ifdef HANDMADE_MATH__USE_SSE
Result.InternalElementsSSE = HMM_LinearCombineSSE(Vector.InternalElementsSSE, Matrix);
#else
int Columns, Rows;
for(Rows = 0; Rows < 4; ++Rows)
{
@@ -2271,7 +2274,8 @@ hmm_vec4 HMM_MultiplyMat4ByVec4(hmm_mat4 Matrix, hmm_vec4 Vector)
Result.Elements[Rows] = Sum;
}
#endif
return (Result);
}