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softgpu: Use SSE for the secondary color.

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It's easy to speed up this code since it's so hot.
This commit is contained in:
Unknown W. Brackets 2014-03-16 16:21:12 -07:00
parent 7f3e158a0f
commit 6ef0aa123f
1 changed files with 9 additions and 3 deletions
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12
GPU/Software/Rasterizer.cpp
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@ -1040,8 +1040,7 @@ inline void ApplyTexturing(Vec4<int> &prim_color, float s, float t, int maxTexLe
texcolor = (t * (0x100 - frac_v) + b * frac_v) / (256 * 256);
#endif
}
Vec4<int> out = GetTextureFunctionOutput(prim_color, texcolor);
prim_color = out;
prim_color = GetTextureFunctionOutput(prim_color, texcolor);
}
#if defined(_M_SSE)
@ -1194,8 +1193,15 @@ void DrawTriangleSlice(
}
}
if (!clearMode)
if (!clearMode) {
// TODO: Tried making Vec4 do this, but things got slower.
#if defined(_M_SSE)
const __m128i sec = _mm_and_si128(sec_color.ivec, _mm_set_epi32(0, -1, -1, -1));
prim_color.ivec = _mm_add_epi32(prim_color.ivec, sec);
#else
prim_color += Vec4<int>(sec_color, 0);
#endif
}
// TODO: Fogging