Lines Matching refs:dqdx
419 GLfloat dqdx, GLfloat dqdy, GLfloat texW, GLfloat texH, in _swrast_compute_lambda() argument
422 GLfloat dudx = texW * ((s + dsdx) / (q + dqdx) - s * invQ); in _swrast_compute_lambda()
423 GLfloat dvdx = texH * ((t + dtdx) / (q + dqdx) - t * invQ); in _swrast_compute_lambda()
441 GLfloat dqdx, GLfloat dqdy, GLfloat texW, GLfloat texH,
444 GLfloat dsdx2 = (s + dsdx) / (q + dqdx) - s * invQ;
445 GLfloat dtdx2 = (t + dtdx) / (q + dqdx) - t * invQ;
494 const GLfloat dqdx = span->attrStepX[attr][3]; in interpolate_texcoords() local
499 GLfloat q = span->attrStart[attr][3] + span->leftClip * dqdx; in interpolate_texcoords()
540 dqdx, dqdy, texW, texH, in interpolate_texcoords()
545 q += dqdx; in interpolate_texcoords()
557 dqdx, dqdy, texW, texH, in interpolate_texcoords()
562 q += dqdx; in interpolate_texcoords()
584 q += dqdx; in interpolate_texcoords()
588 else if (dqdx == 0.0F) { in interpolate_texcoords()
613 q += dqdx; in interpolate_texcoords()