forked from KolibriOS/kolibrios
109 lines
4.0 KiB
C
109 lines
4.0 KiB
C
#ifndef __SSE2_LIVE_H_INCLUDED_
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#define __SSE2_LIVE_H_INCLUDED_
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//
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// In DLL:
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//
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// void __stdcall OneGeneration(int w, int h, void *dest, const void *src, int flag);
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//
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inline int GetDataWidth(int w) {return (w + 63) & ~63;}
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inline int GetDataHeight(int h) {return (h + 7) & ~7;}
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inline int GetDataNBlock(int w) {return GetDataWidth(w) / 64;}
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inline int GetDataPeriod(int h) {return GetDataHeight(h) * 8;}
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inline int GetDataSize(int w, int h) {return GetDataNBlock(w) * GetDataPeriod(h);}
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const int DataMemAdd = 16; // using: new char[GetDataSize(w, h) + DataMemAdd];
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inline void *GetDataAddress(void *data) {return (void*)(((unsigned int)data + 15) & ~15);}
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inline bool GetDataBit(unsigned int w0, unsigned int h0, const void *data0, unsigned int x, unsigned int y)
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{ // w0 = GetDataWidth(w); h0 = GetDataHeight(h); data0 = GetDataAddress(data);
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unsigned int nblk = w0 >> 6, sblk = h0 >> 1;
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unsigned int x1 = x % nblk, x2 = x / nblk;
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unsigned int y1 = y % sblk, y2 = y / sblk;
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unsigned int index = ((x1*sblk + y1) << 2) + (y2 << 1) + (x2 >> 5);
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return (((const unsigned int*)data0)[index] >> (x2 & 31)) & 1;
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}
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inline void Set0DataBit(unsigned int w0, unsigned int h0, void *data0, unsigned int x, unsigned int y)
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{ // w0 = GetDataWidth(w); h0 = GetDataHeight(h); data0 = GetDataAddress(data);
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unsigned int nblk = w0 >> 6, sblk = h0 >> 1;
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unsigned int x1 = x % nblk, x2 = x / nblk;
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unsigned int y1 = y % sblk, y2 = y / sblk;
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unsigned int index = ((x1*sblk + y1) << 2) + (y2 << 1) + (x2 >> 5);
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((unsigned int*)data0)[index] &= ~(1U << (x2 & 31));
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}
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inline void Set1DataBit(unsigned int w0, unsigned int h0, void *data0, unsigned int x, unsigned int y)
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{ // w0 = GetDataWidth(w); h0 = GetDataHeight(h); data0 = GetDataAddress(data);
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unsigned int nblk = w0 >> 6, sblk = h0 >> 1;
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unsigned int x1 = x % nblk, x2 = x / nblk;
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unsigned int y1 = y % sblk, y2 = y / sblk;
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unsigned int index = ((x1*sblk + y1) << 2) + (y2 << 1) + (x2 >> 5);
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((unsigned int*)data0)[index] |= 1U << (x2 & 31);
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}
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inline void SetCDataBit(unsigned int w0, unsigned int h0, void *data0, unsigned int x, unsigned int y)
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{ // w0 = GetDataWidth(w); h0 = GetDataHeight(h); data0 = GetDataAddress(data);
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unsigned int nblk = w0 >> 6, sblk = h0 >> 1;
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unsigned int x1 = x % nblk, x2 = x / nblk;
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unsigned int y1 = y % sblk, y2 = y / sblk;
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unsigned int index = ((x1*sblk + y1) << 2) + (y2 << 1) + (x2 >> 5);
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((unsigned int*)data0)[index] ^= 1U << (x2 & 31);
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}
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inline void SetDataBit(unsigned int w0, unsigned int h0, void *data0, unsigned int x, unsigned int y, bool bit)
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{
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if (bit) Set1DataBit(w0, h0, data0, x, y);
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else Set0DataBit(w0, h0, data0, x, y);
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}
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struct APosPixel
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{
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int nblk, sblk;
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void *data;
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unsigned int x1, y1, value, *item;
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APosPixel(int w = 0, int h = 0, void *data = 0, int x = 0, int y = 0)
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: nblk(GetDataWidth(w) >> 6), sblk(GetDataHeight(h) >> 1),
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data(GetDataAddress(data)) {SetTo(x, y);}
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void SetTo(int x, int y)
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{
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unsigned int x2, y2;
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x1 = x % nblk; x2 = x / nblk;
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y1 = y % sblk; y2 = y / sblk;
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item = ((unsigned int*)data) + ((x1*sblk + y1) << 2) + (y2 << 1) + (x2 >> 5);
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value = 1U << (x2 & 31);
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}
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bool GetPixel() const {return *item & value;}
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void Set1Pixel() const {*item |= value;}
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void Set0Pixel() const {*item &= ~value;}
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void SetCPixel() const {*item ^= value;}
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void SetPixel(bool c) const {if (c) Set1Pixel(); else Set0Pixel();}
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void AddX1()
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{
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if (int(++x1) < nblk) {item += sblk << 2; return;}
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x1 = 0; item -= (nblk-1) * sblk << 2;
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if (!(value <<= 1)) {value = 1; item++;}
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}
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void SubX1()
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{
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if (int(--x1) >= 0) {item -= sblk << 2; return;}
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x1 = nblk-1; item += (nblk-1) * sblk << 2;
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if (!(value >>= 1)) {value = 0x80000000; item--;}
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}
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void AddY1()
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{
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if (int(++y1) < sblk) {item += 1 << 2; return;}
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y1 = 0; item -= ((sblk-1) << 2) - 2;
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}
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void SubY1()
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{
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if (int(--y1) >= 0) {item -= 1 << 2; return;}
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y1 = sblk-1; item += ((sblk-1) << 2) - 2;
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}
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};
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#endif // __SSE2_LIVE_H_INCLUDED_
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