Differential D12562 Diff 42043 intern/opensubdiv/internal/evaluator/evaluator_impl.h

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// If derivatives are NULL, they will not be evaluated.		// If derivatives are NULL, they will not be evaluated.
void evaluateLimit(const int ptex_face_index,		void evaluateLimit(const int ptex_face_index,
float face_u,		float face_u,
float face_v,		float face_v,
float P[3],		float P[3],
float dPdu[3],		float dPdu[3],
float dPdv[3]);		float dPdv[3]);

		void evaluateLimit2(const int ptex_face_index,
		float face_u,
		float face_v,
		float P[3],
		float dPdu[3],
		float dPdv[3],
		float dPduu[3],
		float dPduv[3],
		float dPdvv[3]);

// Evaluate varying data at a given bilinear coordinate of given ptex face.		// Evaluate varying data at a given bilinear coordinate of given ptex face.
void evaluateVarying(const int ptes_face_index, float face_u, float face_v, float varying[3]);		void evaluateVarying(const int ptes_face_index, float face_u, float face_v, float varying[3]);

// Evaluate facee-varying data at a given bilinear coordinate of given		// Evaluate facee-varying data at a given bilinear coordinate of given
// ptex face.		// ptex face.
void evaluateFaceVarying(const int face_varying_channel,		void evaluateFaceVarying(const int face_varying_channel,
const int ptes_face_index,		const int ptes_face_index,
float face_u,		float face_u,
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