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- zzzzbbbbssssiiiizzzzeeee((((3333GGGG)))) zzzzbbbbssssiiiizzzzeeee((((3333GGGG))))
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- NNNNAAAAMMMMEEEE
- zzzzbbbbssssiiiizzzzeeee - specifies the number of bit planes desired to comprise the Z
- buffer
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- FFFFOOOORRRRTTTTRRRRAAAANNNN 77777777 SSSSPPPPEEEECCCCIIIIFFFFIIIICCCCAAAATTTTIIIIOOOONNNN
- ssssuuuubbbbrrrroooouuuuttttiiiinnnneeee zzzzbbbbssssiiiizzzzeeee((((ppppllllaaaannnneeeessss))))
- iiiinnnntttteeeeggggeeeerrrr****4444 ppppllllaaaannnneeeessss
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- PPPPAAAARRRRAAAAMMMMEEEETTTTEEEERRRRSSSS
- _p_l_a_n_e_s is the number of bit planes requested to be configured as Z
- buffer planes. Only positive values are accepted. The default
- is machine dependent, usually 24 or 32.
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- DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
- zzzzbbbbssssiiiizzzzeeee specifies how many bit planes are requested to be configured as Z
- buffer planes. The constraints on _p_l_a_n_e_s are machine dependent. Call
- ggggeeeettttggggddddeeee((((GGGGDDDDBBBBNNNNZZZZBBBB)))) to determine the maximum number of bit planes available
- for Z buffer operation.
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- zzzzbbbbssssiiiizzzzeeee takes effect only after ggggccccoooonnnnffffiiii has been called. The number of bit
- planes granted for the Z buffer may not be exactly what was requested.
- Call ggggeeeettttggggccccoooo((((GGGGCCCCZZZZBBBBUUUUFFFF)))) to determine how many bit planes were configured as Z
- buffer planes.
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- Since Z buffer bit planes are available only in the normal framebuffer,
- zzzzbbbbssssiiiizzzzeeee should be called only while draw mode is NNNNOOOORRRRMMMMAAAALLLL.
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- SSSSEEEEEEEE AAAALLLLSSSSOOOO
- gconfi, getgco, getgde, mssize
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- NNNNOOOOTTTTEEEESSSS
- This routine is available only in immediate mode.
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- Since most machines support only a finite set of Z buffer sizes, _p_l_a_n_e_s
- is rounded to the nearest supported size.
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- IRIS-4D G, GT, GTX, VGX, and VGXT models, the Personal Iris, Iris Indy,
- Indigo Entry, XL, XS, XS24, XZ, Elan and Extreme systems do not support
- zzzzbbbbssssiiiizzzzeeee.
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- The IRIS-4D RealityEngine models support only values of 0, 24 or 32
- _p_l_a_n_e_s. On these models the Z buffer and the depth component in the
- multisample buffer are independent. When the multisample buffer is
- requested in the current framebuffer configuration, it is recommended to
- call zzzzbbbbssssiiiizzzzeeee((((0000)))), as no Z buffer planes are required.
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- BBBBUUUUGGGGSSSS
- On the IRIS-4D RealityEngine models the framebuffer cannot be configured
- to consist of 32 Z buffer planes (or 32 depth planes in the multisample
- buffer) and 8 color planes for each of the RGB color buffers
- simultaneously.
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- PPPPaaaaggggeeee 1111
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- zzzzbbbbssssiiiizzzzeeee((((3333GGGG)))) zzzzbbbbssssiiiizzzzeeee((((3333GGGG))))
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- PPPPaaaaggggeeee 2222
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