Lines Matching refs:dqdx
415 GLfloat dqdx, GLfloat dqdy, GLfloat texW, GLfloat texH, in _swrast_compute_lambda() argument
418 GLfloat dudx = texW * ((s + dsdx) / (q + dqdx) - s * invQ); in _swrast_compute_lambda()
419 GLfloat dvdx = texH * ((t + dtdx) / (q + dqdx) - t * invQ); in _swrast_compute_lambda()
437 GLfloat dqdx, GLfloat dqdy, GLfloat texW, GLfloat texH,
440 GLfloat dsdx2 = (s + dsdx) / (q + dqdx) - s * invQ;
441 GLfloat dtdx2 = (t + dtdx) / (q + dqdx) - t * invQ;
490 const GLfloat dqdx = span->attrStepX[attr][3]; in interpolate_texcoords() local
495 GLfloat q = span->attrStart[attr][3] + span->leftClip * dqdx; in interpolate_texcoords()
536 dqdx, dqdy, texW, texH, in interpolate_texcoords()
541 q += dqdx; in interpolate_texcoords()
553 dqdx, dqdy, texW, texH, in interpolate_texcoords()
558 q += dqdx; in interpolate_texcoords()
580 q += dqdx; in interpolate_texcoords()
584 else if (dqdx == 0.0F) { in interpolate_texcoords()
609 q += dqdx; in interpolate_texcoords()