Lines Matching defs:dsdx
414 _swrast_compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy,
418 GLfloat dudx = texW * ((s + dsdx) / (q + dqdx) - s * invQ);
436 _swrast_compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy,
440 GLfloat dsdx2 = (s + dsdx) / (q + dqdx) - s * invQ;
485 const GLfloat dsdx = span->attrStepX[attr][0];
492 GLfloat s = span->attrStart[attr][0] + span->leftClip * dsdx;
535 lambda[i] = _swrast_compute_lambda(dsdx, dsdy, dtdx, dtdy,
538 s += dsdx;
552 lambda[i] = _swrast_compute_lambda(dsdx, dsdy, dtdx, dtdy,
555 s += dsdx;
577 s += dsdx;
593 s += dsdx;
606 s += dsdx;
