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comparison ppl.c @ 287:1e89cd081956

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Use fixed point everywhere in the mixing internals, to avoid going over sample boundaries.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 11 Oct 2012 11:09:26 +0300
parents 40efff364904
children 61cab36b6d32
comparison
equal deleted inserted replaced
286:a17e54015bd9 287:1e89cd081956
260 if (yh < 10 || chn == NULL) 260 if (yh < 10 || chn == NULL)
261 return; 261 return;
262 262
263 int xc, ym = y0 + (y1 - y0) / 2, vol = FP_GETH(chn->chVolume); 263 int xc, ym = y0 + (y1 - y0) / 2, vol = FP_GETH(chn->chVolume);
264 int pitch = screen->pitch / sizeof(Uint32); 264 int pitch = screen->pitch / sizeof(Uint32);
265 int len = chn->chSize; 265 int len = FP_GETH(chn->chSize);
266 DMFixedPoint offs = chn->chPos; 266 DMFixedPoint offs = chn->chPos;
267 Uint32 coln = dmCol(0.0, 0.8, 0.0), colx = dmCol(1.0, 0, 0); 267 Uint32 coln = dmCol(0.0, 0.8, 0.0), colx = dmCol(1.0, 0, 0);
268 Uint32 *pix = screen->pixels; 268 Uint32 *pix = screen->pixels;
269 Sint16 *data = chn->chData; 269 Sint16 *data = chn->chData;
270 270