Microsoft DirectX 8.0 (C++)

Determining Higher-Order Primitive Support

The DevCaps member of D3DCAPS8 can be queried to determine the level of support for operations involving higher-order primitives. The following table lists the device capabilities related to higher-order primitives in Microsoft® DirectX® 8.0.

Device capability Description
D3DDEVCAPS_NPATCHES Device supports N-patches.
D3DDEVCAPS_QUINTICRTPATCHES Device supports quintic béziers and B-splines.
D3DDEVCAPS_RTPATCHES Device supports rectangular and triangular (RT) patches.
D3DDEVCAPS_RTPATCHHANDLEZERO RT-patches might be drawn efficiently using handle zero.