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Diffstat (limited to 'src/mesa/slang/slang_compile_variable.h')
-rw-r--r-- | src/mesa/slang/slang_compile_variable.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/mesa/slang/slang_compile_variable.h b/src/mesa/slang/slang_compile_variable.h new file mode 100644 index 00000000000..5c9d248b354 --- /dev/null +++ b/src/mesa/slang/slang_compile_variable.h @@ -0,0 +1,90 @@ +/* + * 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 + + +struct slang_ir_storage_; + + +/** + * 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 size; /**< Variable's size in bytes */ + GLboolean is_global; + GLboolean isTemp; /**< a named temporary (__resultTmp) */ + GLboolean declared; /**< has the var been declared? */ + struct slang_ir_storage_ *store; /**< Storage for this var */ +} 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_variable_locate(const slang_variable_scope *, const slang_atom a_name, + GLboolean all); + + +#endif /* SLANG_COMPILE_VARIABLE_H */ |