| /* |
| * Mesa 3-D graphics library |
| * Version: 6.5.2 |
| * |
| * Copyright (C) 2005-2006 Brian Paul All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #ifndef SLANG_COMPILE_FUNCTION_H |
| #define SLANG_COMPILE_FUNCTION_H |
| |
| |
| struct slang_code_unit_; |
| |
| /** |
| * Types of functions. |
| */ |
| typedef enum slang_function_kind_ |
| { |
| SLANG_FUNC_ORDINARY, |
| SLANG_FUNC_CONSTRUCTOR, |
| SLANG_FUNC_OPERATOR |
| } slang_function_kind; |
| |
| |
| /** |
| * When we need to fill in addresses which we won't know until the future, |
| * we keep track of them with a fix-up table. |
| */ |
| typedef struct slang_fixup_table_ |
| { |
| GLuint *table; /**< array[count] of addresses */ |
| GLuint count; |
| } slang_fixup_table; |
| |
| extern void slang_fixup_table_init(slang_fixup_table *); |
| extern void slang_fixup_table_free(slang_fixup_table *); |
| extern GLboolean slang_fixup_save(slang_fixup_table *fixups, GLuint address); |
| |
| |
| /** |
| * Description of a compiled shader function. |
| */ |
| typedef struct slang_function_ |
| { |
| slang_function_kind kind; |
| slang_variable header; /**< The function's name and return type */ |
| slang_variable_scope *parameters; /**< formal parameters AND local vars */ |
| unsigned int param_count; /**< number of formal params (no locals) */ |
| slang_operation *body; /**< The instruction tree */ |
| unsigned int address; /**< Address of this func in memory */ |
| slang_fixup_table fixups; /**< Mem locations which need func's address */ |
| } slang_function; |
| |
| extern int slang_function_construct(slang_function *); |
| extern void slang_function_destruct(slang_function *); |
| |
| |
| /** |
| * Basically, a list of compiled functions. |
| */ |
| typedef struct slang_function_scope_ |
| { |
| slang_function *functions; |
| GLuint num_functions; |
| struct slang_function_scope_ *outer_scope; |
| } slang_function_scope; |
| |
| |
| extern GLvoid |
| _slang_function_scope_ctr(slang_function_scope *); |
| |
| extern void |
| slang_function_scope_destruct(slang_function_scope *); |
| |
| extern GLboolean |
| _slang_function_has_return_value(const slang_function *fun); |
| |
| extern int |
| slang_function_scope_find_by_name(slang_function_scope *, slang_atom, int); |
| |
| extern slang_function * |
| slang_function_scope_find(slang_function_scope *, slang_function *, int); |
| |
| #endif /* SLANG_COMPILE_FUNCTION_H */ |