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52 lines
986 B
C++
52 lines
986 B
C++
#include "MDraw.h"
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void memsetds(dword *a, dword c, int cx)
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{
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if(cx == 0)
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return;
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if((dword)a & 4) {
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*a++ = c;
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cx--;
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}
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int r = cx & 7;
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__m64 mc = _mm_cvtsi32_si64(c);
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mc = _mm_unpacklo_pi32(mc, mc);
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cx >>= 3;
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__m64 *ma = (__m64 *)a;
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while(cx-- > 0) {
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_mm_stream_pi(ma + 0, mc);
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_mm_stream_pi(ma + 1, mc);
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_mm_stream_pi(ma + 2, mc);
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_mm_stream_pi(ma + 3, mc);
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ma += 4;
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}
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a = (dword *)ma;
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switch(r) {
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case 7: a[6] = c;
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case 6: a[5] = c;
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case 5: a[4] = c;
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case 4: a[3] = c;
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case 3: a[2] = c;
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case 2: a[1] = c;
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case 1: a[0] = c;
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}
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_mm_sfence();
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_mm_empty();
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}
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void DrawRectS(PixelBlock& w, int x, int y, int cx, int cy, Color c)
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{
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Rect r = RectC(x, y, cx, cy);
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r.Intersect(w.GetSize());
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if(r.IsEmpty())
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return;
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dword color = c.GetRaw();
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dword *a = w.PointAdr(r.left, r.top);
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int d = w.LineDelta();
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cy = r.Height();
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cx = r.Width();
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while(cy--) {
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memsetds(a, color, cx);
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a += d;
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}
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}
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