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https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-16 14:16:09 -06:00
97 lines
2 KiB
C++
97 lines
2 KiB
C++
#include "MDraw.h"
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void memsetdf(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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ma[0] = mc;
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ma[1] = mc;
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ma[2] = mc;
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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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_m_empty();
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}
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void DrawRectF(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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memsetdf(a, color, cx);
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a += d;
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}
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}
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extern String op;
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void DrawMMX1(PixelBlock& w, int x, int y, Color color)
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{
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if(!Rect(w.GetSize()).Contains(Rect(x, y, x + 6, y + 11)))
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return;
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const byte *s = op;
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dword *a = w.PointAdr(x, y);
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int d = w.LineDelta();
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int q = 0;
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__m64 zero = _mm_setzero_si64();
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__m64 mc = _mm_unpacklo_pi8(_mm_cvtsi32_si64(color.GetRaw()), zero);
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__m64 mask = _mm_set1_pi16(0xff);
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for(;;) {
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byte c = *s++;
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if(c) {
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__m64 alpha = _mm_cvtsi32_si64(c);
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alpha = _mm_unpacklo_pi16(alpha, alpha);
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alpha = _mm_unpacklo_pi32(alpha, alpha);
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__m64 h = _mm_srli_pi16(alpha, 7);
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alpha = _mm_adds_pi16(alpha, h);
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__m64 m = _mm_cvtsi32_si64(a[q]);
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m = _mm_unpacklo_pi8(m, zero);
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h = _mm_sub_pi16(mc, m);
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h = _mm_mullo_pi16(alpha, h);
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h = _mm_srli_pi16(h, 8);
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m = _mm_add_pi16(m, h);
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m = _mm_and_si64(m, mask);
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m = _mm_packs_pu16(m, m);
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a[q++] = _mm_cvtsi64_si32(m);
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}
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else {
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c = *s++;
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if(c)
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q += c;
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else {
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if(s[0] == 0 && s[1] == 255)
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break;
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a += d;
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q = 0;
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}
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}
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}
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_m_empty();
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}
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