Lines Matching refs:dqdx
418 GLfloat dqdx, GLfloat dqdy, GLfloat texW, GLfloat texH, in _swrast_compute_lambda() argument
421 GLfloat dudx = texW * ((s + dsdx) / (q + dqdx) - s * invQ); in _swrast_compute_lambda()
422 GLfloat dvdx = texH * ((t + dtdx) / (q + dqdx) - t * invQ); in _swrast_compute_lambda()
440 GLfloat dqdx, GLfloat dqdy, GLfloat texW, GLfloat texH,
443 GLfloat dsdx2 = (s + dsdx) / (q + dqdx) - s * invQ;
444 GLfloat dtdx2 = (t + dtdx) / (q + dqdx) - t * invQ;
493 const GLfloat dqdx = span->attrStepX[attr][3]; in interpolate_texcoords() local
498 GLfloat q = span->attrStart[attr][3] + span->leftClip * dqdx; in interpolate_texcoords()
539 dqdx, dqdy, texW, texH, in interpolate_texcoords()
544 q += dqdx; in interpolate_texcoords()
556 dqdx, dqdy, texW, texH, in interpolate_texcoords()
561 q += dqdx; in interpolate_texcoords()
583 q += dqdx; in interpolate_texcoords()
587 else if (dqdx == 0.0F) { in interpolate_texcoords()
612 q += dqdx; in interpolate_texcoords()