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softgpu: Use SIMD for more Vec4 casts.

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A number of these were falling back to some pretty terrible code.
Thanks to fp64 for noticing.
This commit is contained in:
Unknown W. Brackets 2023-06-24 12:36:07 -07:00
parent b2b61d58d4
commit 795de9b164
1 changed files with 19 additions and 2 deletions
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21
GPU/Math3D.h
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@ -580,8 +580,25 @@ public:
#endif
template<typename T2>
Vec4<T2> Cast() const
{
Vec4<T2> Cast() const {
if constexpr (std::is_same<T, float>::value && std::is_same<T2, int>::value) {
#if defined(_M_SSE) && !PPSSPP_ARCH(X86)
return _mm_cvtps_epi32(vec);
#elif defined(_M_SSE)
return _mm_cvtps_epi32(_mm_loadu_ps((float *)&vec));
#elif PPSSPP_ARCH(ARM64_NEON)
return vcvtq_s32_f32(ivec);
#endif
}
if constexpr (std::is_same<T, int>::value && std::is_same<T2, float>::value) {
#if defined(_M_SSE) && !PPSSPP_ARCH(X86)
return _mm_cvtepi32_ps(ivec);
#elif defined(_M_SSE)
return _mm_cvtepi32_ps(_mm_loadu_si128(&ivec));
#elif PPSSPP_ARCH(ARM64_NEON)
return vcvtq_f32_s32(ivec);
#endif
}
return Vec4<T2>((T2)x, (T2)y, (T2)z, (T2)w);
}