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/external/mesa3d/src/gallium/drivers/llvmpipe/
Dlp_setup_line.c303 float x2diff; in try_setup_line() local
345 x2diff = v2[0][0] - (float) floor(v2[0][0]) - 0.5; in try_setup_line()
374 if (fabsf(x2diff) + fabsf(y2diff) < 0.5) { in try_setup_line()
377 else if (sign(x2diff) != sign(-dx)) { in try_setup_line()
385 float yintersect = fracf(v2[0][1]) + x2diff * dydx; in try_setup_line()
392 will_draw_end = (sign(x2diff) == sign(-dx)) || x2diff==0; in try_setup_line()
408 x_offset = - x2diff - 0.5; in try_setup_line()
420 x_offset_end = - x2diff + 0.5; in try_setup_line()
443 x2diff = v2[0][0] - (float) floor(v2[0][0]) - 0.5; in try_setup_line()
446 if (x2diff==-0.5 && dx<0) { in try_setup_line()
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