Lines Matching refs:dsdx
418 _swrast_compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy, in _swrast_compute_lambda() argument
422 GLfloat dudx = texW * ((s + dsdx) / (q + dqdx) - s * invQ); in _swrast_compute_lambda()
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]; in interpolate_texcoords() local
496 GLfloat s = span->attrStart[attr][0] + span->leftClip * dsdx; in interpolate_texcoords()
539 lambda[i] = _swrast_compute_lambda(dsdx, dsdy, dtdx, dtdy, in interpolate_texcoords()
542 s += dsdx; in interpolate_texcoords()
556 lambda[i] = _swrast_compute_lambda(dsdx, dsdy, dtdx, dtdy, in interpolate_texcoords()
559 s += dsdx; in interpolate_texcoords()
581 s += dsdx; in interpolate_texcoords()
597 s += dsdx; in interpolate_texcoords()
610 s += dsdx; in interpolate_texcoords()