/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.2
*
* Copyright (C) 2005-2006 Brian Paul All Rights Reserved.
*
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#if !defined SLANG_COMPILE_FUNCTION_H
+#ifndef SLANG_COMPILE_FUNCTION_H
#define SLANG_COMPILE_FUNCTION_H
#if defined __cplusplus
extern "C" {
#endif
-struct slang_translation_unit_;
+struct slang_code_unit_;
+/**
+ * Types of functions.
+ */
typedef enum slang_function_kind_
{
- slang_func_ordinary,
- slang_func_constructor,
- slang_func_operator
+ 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;
- GLuint count;
+ GLuint *table; /**< array[count] of addresses */
+ GLuint count;
} slang_fixup_table;
-void slang_fixup_table_init (slang_fixup_table *);
-void slang_fixup_table_free (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;
- slang_variable_scope *parameters;
- unsigned int param_count;
- slang_operation *body;
- unsigned int address;
- slang_fixup_table fixups;
+ 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_atom end_label; /**< The end-of-function label */
} slang_function;
-int slang_function_construct (slang_function *);
-void slang_function_destruct (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;
+ slang_function *functions;
GLuint num_functions;
- struct slang_function_scope_ *outer_scope;
+ struct slang_function_scope_ *outer_scope;
} slang_function_scope;
+
extern GLvoid
-_slang_function_scope_ctr (slang_function_scope *);
+_slang_function_scope_ctr(slang_function_scope *);
-void slang_function_scope_destruct (slang_function_scope *);
-int slang_function_scope_find_by_name (slang_function_scope *, slang_atom, int);
-slang_function *slang_function_scope_find (slang_function_scope *, slang_function *, int);
+extern void
+slang_function_scope_destruct(slang_function_scope *);
extern GLboolean
-_slang_build_export_code_table (slang_export_code_table *, slang_function_scope *,
- struct slang_code_unit_ *);
+_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);
+
+extern GLboolean
+_slang_build_export_code_table(slang_export_code_table *,
+ slang_function_scope *,
+ struct slang_code_unit_ *);
+
#ifdef __cplusplus
}
#endif
-#endif
-
+#endif /* SLANG_COMPILE_FUNCTION_H */