| /* |
| * 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_VARIABLE_H |
| #define SLANG_COMPILE_VARIABLE_H |
| |
| #if defined __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| typedef enum slang_type_qualifier_ |
| { |
| SLANG_QUAL_NONE, |
| SLANG_QUAL_CONST, |
| SLANG_QUAL_ATTRIBUTE, |
| SLANG_QUAL_VARYING, |
| SLANG_QUAL_UNIFORM, |
| SLANG_QUAL_OUT, |
| SLANG_QUAL_INOUT, |
| SLANG_QUAL_FIXEDOUTPUT, /* internal */ |
| SLANG_QUAL_FIXEDINPUT /* internal */ |
| } slang_type_qualifier; |
| |
| extern slang_type_specifier_type |
| slang_type_specifier_type_from_string(const char *); |
| |
| extern const char * |
| slang_type_specifier_type_to_string(slang_type_specifier_type); |
| |
| |
| |
| typedef enum slang_type_precision_ |
| { |
| SLANG_PREC_DEFAULT, |
| SLANG_PREC_LOW, |
| SLANG_PREC_MEDIUM, |
| SLANG_PREC_HIGH |
| } slang_type_precision; |
| |
| |
| typedef struct slang_fully_specified_type_ |
| { |
| slang_type_qualifier qualifier; |
| slang_type_specifier specifier; |
| slang_type_precision precision; |
| } slang_fully_specified_type; |
| |
| extern int |
| slang_fully_specified_type_construct(slang_fully_specified_type *); |
| |
| extern void |
| slang_fully_specified_type_destruct(slang_fully_specified_type *); |
| |
| extern int |
| slang_fully_specified_type_copy(slang_fully_specified_type *, |
| const slang_fully_specified_type *); |
| |
| |
| /** |
| * A shading language program variable. |
| */ |
| typedef struct slang_variable_ |
| { |
| slang_fully_specified_type type; /**< Variable's data type */ |
| slang_atom a_name; /**< The variable's name (char *) */ |
| GLuint array_len; /**< only if type == SLANG_SPEC_ARRAy */ |
| struct slang_operation_ *initializer; /**< Optional initializer code */ |
| GLuint address; /**< Storage location */ |
| GLuint size; /**< Variable's size in bytes */ |
| GLboolean isTemp; /**< a named temporary (__resultTmp) */ |
| GLboolean declared; /**< for debug */ |
| void *aux; /**< Used during code gen */ |
| } slang_variable; |
| |
| |
| /** |
| * Basically a list of variables, with a pointer to the parent scope. |
| */ |
| typedef struct slang_variable_scope_ |
| { |
| slang_variable **variables; /**< Array [num_variables] of ptrs to vars */ |
| GLuint num_variables; |
| struct slang_variable_scope_ *outer_scope; |
| } slang_variable_scope; |
| |
| |
| extern slang_variable_scope * |
| _slang_variable_scope_new(slang_variable_scope *parent); |
| |
| extern GLvoid |
| _slang_variable_scope_ctr(slang_variable_scope *); |
| |
| extern void |
| slang_variable_scope_destruct(slang_variable_scope *); |
| |
| extern int |
| slang_variable_scope_copy(slang_variable_scope *, |
| const slang_variable_scope *); |
| |
| extern slang_variable * |
| slang_variable_scope_grow(slang_variable_scope *); |
| |
| extern int |
| slang_variable_construct(slang_variable *); |
| |
| extern void |
| slang_variable_destruct(slang_variable *); |
| |
| extern int |
| slang_variable_copy(slang_variable *, const slang_variable *); |
| |
| extern slang_variable * |
| _slang_locate_variable(const slang_variable_scope *, const slang_atom a_name, |
| GLboolean all); |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* SLANG_COMPILE_VARIABLE_H */ |