Lines Matching defs:dsdx
418 _swrast_compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy,
422 GLfloat dudx = texW * ((s + dsdx) / (q + dqdx) - s * invQ);
440 _swrast_compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy,
444 GLfloat dsdx2 = (s + dsdx) / (q + dqdx) - s * invQ;
489 const GLfloat dsdx = span->attrStepX[attr][0];
496 GLfloat s = span->attrStart[attr][0] + span->leftClip * dsdx;
539 lambda[i] = _swrast_compute_lambda(dsdx, dsdy, dtdx, dtdy,
542 s += dsdx;
556 lambda[i] = _swrast_compute_lambda(dsdx, dsdy, dtdx, dtdy,
559 s += dsdx;
581 s += dsdx;
597 s += dsdx;
610 s += dsdx;