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Minor code simplification

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This commit is contained in:
Magnus Norddahl 2019-12-08 13:57:40 +01:00
parent aa44fa7c77
commit 73c62c5404
1 changed files with 4 additions and 4 deletions
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8
src/rendering/polyrenderer/drawers/screen_triangle.cpp
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@ -482,8 +482,8 @@ static void BlendColor(int y, int x0, int x1, PolyTriangleThreadData* thread)
int32_t dst = (dstinput >> shiftdst[i]) & 0xff;
// Inverse if needed
src = invsrc ? 0xff - src : src;
dst = invdst ? 0xff - dst : dst;
if (invsrc) src = 0xff - src;
if (invdst) dst = 0xff - dst;
// Rescale 0-255 to 0-256
src = src + (src >> 7);
@ -559,8 +559,8 @@ static void BlendColor(int y, int x0, int x1, PolyTriangleThreadData* thread)
__m128i dst = _mm_and_si128(_mm_srlv_epi32(dstinput, shiftdst), _mm_set1_epi32(0xff));
// Inverse if needed
src = invsrc ? _mm_sub_epi32(_mm_set1_epi32(0xff), src) : src;
dst = invdst ? _mm_sub_epi32(_mm_set1_epi32(0xff), dst) : dst;
if (invsrc) src = _mm_sub_epi32(_mm_set1_epi32(0xff), src);
if (invdst) dst = _mm_sub_epi32(_mm_set1_epi32(0xff), dst);
// Rescale 0-255 to 0-256
src = _mm_add_epi32(src, _mm_srli_epi32(src, 7));