Searched refs:Zw (Results 1 - 1 of 1) sorted by relevance

/frameworks/native/opengl/libagl/
H A Dtexture.cpp578 // we need to compute Zw
581 GGLfixed Zw; local
584 if (z<=0) Zw = n;
585 else if (z>=0x10000) Zw = f;
586 else Zw = gglMulAddx(z, (f-n), n);
589 iterators[0] = c->fog.fog(c, Zw);
594 int32_t z = (Zw & ~(Zw>>31));

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