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Lines Matching refs:dfdx

636     GGLfixed f = (xs * c->shade.dfdx) + ci.ydfdy;
901         f += c->shade.dfdx;
1611         ci.ydfdy = interpolate(ys, c->shade.f0, c->shade.dfdx, c->shade.dfdy);
1644     gen.dfdx = c->shade.dfdx;