src/mesa/shader/slang/slang_compile_function.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5.2
   4  *
   5  * Copyright (C) 2005-2006  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #ifndef SLANG_COMPILE_FUNCTION_H
  26 #define SLANG_COMPILE_FUNCTION_H
  27
  28
  29 /**
  30  * Types of functions.
  31  */
  32 typedef enum slang_function_kind_
  33 {
  34    SLANG_FUNC_ORDINARY,
  35    SLANG_FUNC_CONSTRUCTOR,
  36    SLANG_FUNC_OPERATOR
  37 } slang_function_kind;
  38
  39
  40 /**
  41  * Description of a compiled shader function.
  42  */
  43 typedef struct slang_function_
  44 {
  45    slang_function_kind kind;
  46    slang_variable header;      /**< The function's name and return type */
  47    slang_variable_scope *parameters; /**< formal parameters AND local vars */
  48    unsigned int param_count;   /**< number of formal params (no locals) */
  49    slang_operation *body;      /**< The instruction tree */
  50 } slang_function;
  51
  52 extern int slang_function_construct(slang_function *);
  53 extern void slang_function_destruct(slang_function *);
  54 extern slang_function *slang_function_new(slang_function_kind kind);
  55
  56 extern GLboolean
  57 _slang_function_has_return_value(const slang_function *fun);
  58
  59
  60 /**
  61  * Basically, a list of compiled functions.
  62  */
  63 typedef struct slang_function_scope_
  64 {
  65    slang_function *functions;
  66    GLuint num_functions;
  67    struct slang_function_scope_ *outer_scope;
  68 } slang_function_scope;
  69
  70
  71 extern GLvoid
  72 _slang_function_scope_ctr(slang_function_scope *);
  73
  74 extern void
  75 slang_function_scope_destruct(slang_function_scope *);
  76
  77 extern int
  78 slang_function_scope_find_by_name(slang_function_scope *, slang_atom, int);
  79
  80 extern slang_function *
  81 slang_function_scope_find(slang_function_scope *, slang_function *, int);
  82
  83 extern struct slang_function_ *
  84 _slang_function_locate(const struct slang_function_scope_ *funcs,
  85                        slang_atom name, struct slang_operation_ *params,
  86                        GLuint num_params,
  87                        const struct slang_name_space_ *space,
  88                        slang_atom_pool *atoms, slang_info_log *log,
  89                        GLboolean *error);
  90
  91
  92 #endif /* SLANG_COMPILE_FUNCTION_H */