Differential D14973 Diff 51597 source/blender/blenkernel/BKE_subdiv_eval.h

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source/blender/blenkernel/BKE_subdiv_eval.h

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#include "BLI_sys_types.h"		#include "BLI_sys_types.h"

#ifdef __cplusplus		#ifdef __cplusplus
extern "C" {		extern "C" {
#endif		#endif

struct Mesh;		struct Mesh;
struct OpenSubdiv_EvaluatorCache;		struct OpenSubdiv_EvaluatorCache;
		struct OpenSubdiv_EvaluatorSettings;
struct Subdiv;		struct Subdiv;

typedef enum eSubdivEvaluatorType {		typedef enum eSubdivEvaluatorType {
SUBDIV_EVALUATOR_TYPE_CPU,		SUBDIV_EVALUATOR_TYPE_CPU,
SUBDIV_EVALUATOR_TYPE_GLSL_COMPUTE,		SUBDIV_EVALUATOR_TYPE_GLSL_COMPUTE,
} eSubdivEvaluatorType;		} eSubdivEvaluatorType;

/* Returns true if evaluator is ready for use. */		/* Returns true if evaluator is ready for use. */
bool BKE_subdiv_eval_begin(struct Subdiv *subdiv,		bool BKE_subdiv_eval_begin(struct Subdiv *subdiv,
eSubdivEvaluatorType evaluator_type,		eSubdivEvaluatorType evaluator_type,
struct OpenSubdiv_EvaluatorCache *evaluator_cache);		struct OpenSubdiv_EvaluatorCache *evaluator_cache,
		const struct OpenSubdiv_EvaluatorSettings *settings);

/* coarse_vertex_cos is an optional argument which allows to override coordinates of the coarse		/* coarse_vertex_cos is an optional argument which allows to override coordinates of the coarse
* mesh. */		* mesh. */
bool BKE_subdiv_eval_begin_from_mesh(struct Subdiv *subdiv,		bool BKE_subdiv_eval_begin_from_mesh(struct Subdiv *subdiv,
const struct Mesh *mesh,		const struct Mesh *mesh,
const float (*coarse_vertex_cos)[3],		const float (*coarse_vertex_cos)[3],
eSubdivEvaluatorType evaluator_type,		eSubdivEvaluatorType evaluator_type,
struct OpenSubdiv_EvaluatorCache *evaluator_cache);		struct OpenSubdiv_EvaluatorCache *evaluator_cache);
Show All 18 Lines	void BKE_subdiv_eval_limit_point_and_derivatives(struct Subdiv *subdiv,
float u,		float u,
float v,		float v,
float r_P[3],		float r_P[3],
float r_dPdu[3],		float r_dPdu[3],
float r_dPdv[3]);		float r_dPdv[3]);
void BKE_subdiv_eval_limit_point_and_normal(		void BKE_subdiv_eval_limit_point_and_normal(
struct Subdiv *subdiv, int ptex_face_index, float u, float v, float r_P[3], float r_N[3]);		struct Subdiv *subdiv, int ptex_face_index, float u, float v, float r_P[3], float r_N[3]);

		/* Evaluate smoothly interpolated vertex data (such as orco). */
		void BKE_subdiv_eval_vertex_data(struct Subdiv *subdiv,
		const int ptex_face_index,
		const float u,
		const float v,
		float r_vertex_data[]);

/* Evaluate face-varying layer (such as UV). */		/* Evaluate face-varying layer (such as UV). */
void BKE_subdiv_eval_face_varying(struct Subdiv *subdiv,		void BKE_subdiv_eval_face_varying(struct Subdiv *subdiv,
int face_varying_channel,		int face_varying_channel,
int ptex_face_index,		int ptex_face_index,
float u,		float u,
float v,		float v,
float r_face_varying[2]);		float r_face_varying[2]);

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