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      1 /**
      2  * \file eval.h
      3  * Eval operations.
      4  *
      5  * \if subset
      6  * (No-op)
      7  *
      8  * \endif
      9  */
     10 
     11 /*
     12  * Mesa 3-D graphics library
     13  * Version:  3.5
     14  *
     15  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
     16  *
     17  * Permission is hereby granted, free of charge, to any person obtaining a
     18  * copy of this software and associated documentation files (the "Software"),
     19  * to deal in the Software without restriction, including without limitation
     20  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     21  * and/or sell copies of the Software, and to permit persons to whom the
     22  * Software is furnished to do so, subject to the following conditions:
     23  *
     24  * The above copyright notice and this permission notice shall be included
     25  * in all copies or substantial portions of the Software.
     26  *
     27  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     28  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     29  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     30  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
     31  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     32  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     33  */
     34 
     35 
     36 #ifndef EVAL_H
     37 #define EVAL_H
     38 
     39 
     40 #include "main/mfeatures.h"
     41 #include "main/mtypes.h"
     42 
     43 
     44 #if FEATURE_evaluators
     45 
     46 #define _MESA_INIT_EVAL_VTXFMT(vfmt, impl)         \
     47    do {                                            \
     48       (vfmt)->EvalCoord1f  = impl ## EvalCoord1f;  \
     49       (vfmt)->EvalCoord1fv = impl ## EvalCoord1fv; \
     50       (vfmt)->EvalCoord2f  = impl ## EvalCoord2f;  \
     51       (vfmt)->EvalCoord2fv = impl ## EvalCoord2fv; \
     52       (vfmt)->EvalPoint1   = impl ## EvalPoint1;   \
     53       (vfmt)->EvalPoint2   = impl ## EvalPoint2;   \
     54       (vfmt)->EvalMesh1    = impl ## EvalMesh1;    \
     55       (vfmt)->EvalMesh2    = impl ## EvalMesh2;    \
     56    } while (0)
     57 
     58 extern GLuint _mesa_evaluator_components( GLenum target );
     59 
     60 
     61 extern GLfloat *_mesa_copy_map_points1f( GLenum target,
     62                                       GLint ustride, GLint uorder,
     63                                       const GLfloat *points );
     64 
     65 extern GLfloat *_mesa_copy_map_points1d( GLenum target,
     66                                       GLint ustride, GLint uorder,
     67                                       const GLdouble *points );
     68 
     69 extern GLfloat *_mesa_copy_map_points2f( GLenum target,
     70                                       GLint ustride, GLint uorder,
     71                                       GLint vstride, GLint vorder,
     72                                       const GLfloat *points );
     73 
     74 extern GLfloat *_mesa_copy_map_points2d(GLenum target,
     75                                      GLint ustride, GLint uorder,
     76                                      GLint vstride, GLint vorder,
     77                                      const GLdouble *points );
     78 
     79 extern void
     80 _mesa_install_eval_vtxfmt(struct _glapi_table *disp,
     81                           const GLvertexformat *vfmt);
     82 
     83 extern void
     84 _mesa_init_eval_dispatch(struct _glapi_table *disp);
     85 
     86 #else /* FEATURE_evaluators */
     87 
     88 #define _MESA_INIT_EVAL_VTXFMT(vfmt, impl) do { } while (0)
     89 
     90 static inline void
     91 _mesa_install_eval_vtxfmt(struct _glapi_table *disp,
     92                           const GLvertexformat *vfmt)
     93 {
     94 }
     95 
     96 static inline void
     97 _mesa_init_eval_dispatch(struct _glapi_table *disp)
     98 {
     99 }
    100 
    101 #endif /* FEATURE_evaluators */
    102 
    103 extern void _mesa_init_eval( struct gl_context *ctx );
    104 extern void _mesa_free_eval_data( struct gl_context *ctx );
    105 
    106 
    107 #endif /* EVAL_H */
    108