/*
* Mesa 3-D graphics library
- * Version: 6.3
+ * Version: 6.5
*
- * Copyright (C) 2005 Brian Paul All Rights Reserved.
+ * 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"),
#define SLANG_STORAGE_H
#include "slang_compile.h"
+#include "slang_assemble.h"
+#include "slang_execute.h"
#if defined __cplusplus
extern "C" {
#endif
/*
- Program variable data storage is kept completely transparent to the front-end compiler. It is
- up to the back-end how the data is actually allocated. The slang_storage_type enum
- provides the basic information about how the memory is interpreted. This abstract piece
- of memory is called a data slot. A data slot of a particular type has a fixed size.
-
- For now, only the three basic types are supported, that is bool, int and float. Other built-in
- types like vector or matrix can easily be decomposed into a series of basic types.
-*/
+ * Program variable data storage is kept completely transparent to the front-end compiler. It is
+ * up to the back-end how the data is actually allocated. The slang_storage_type enum
+ * provides the basic information about how the memory is interpreted. This abstract piece
+ * of memory is called a data slot. A data slot of a particular type has a fixed size.
+ *
+ * For now, only the three basic types are supported, that is bool, int and float. Other built-in
+ * types like vector or matrix can easily be decomposed into a series of basic types.
+ */
typedef enum slang_storage_type_
{
slang_stor_aggregate,
} slang_storage_type;
/*
- The slang_storage_array structure groups data slots of the same type into an array. This
- array has a fixed length. Arrays are required to have a size equal to the sum of sizes of its
- elements. They are also required to support indirect addressing. That is, if B references
- first data slot in the array, S is the size of the data slot and I is the integral index that
- is not known at compile time, B+I*S references I-th data slot.
-
- This structure is also used to break down built-in data types that are not supported directly.
- Vectors, like vec3, are constructed from arrays of their basic types. Matrices are formed of
- an array of column vectors, which are in turn processed as other vectors.
-*/
+ * The slang_storage_array structure groups data slots of the same type into an array. This
+ * array has a fixed length. Arrays are required to have a size equal to the sum of sizes of its
+ * elements. They are also required to support indirect addressing. That is, if B references
+ * first data slot in the array, S is the size of the data slot and I is the integral index that
+ * is not known at compile time, B+I*S references I-th data slot.
+ *
+ * This structure is also used to break down built-in data types that are not supported directly.
+ * Vectors, like vec3, are constructed from arrays of their basic types. Matrices are formed of
+ * an array of column vectors, which are in turn processed as other vectors.
+ */
typedef struct slang_storage_array_
{
slang_storage_type type;
struct slang_storage_aggregate_ *aggregate; /* slang_stor_aggregate */
- unsigned int length;
+ GLuint length;
} slang_storage_array;
-void slang_storage_array_construct (slang_storage_array *);
-void slang_storage_array_destruct (slang_storage_array *);
+GLboolean slang_storage_array_construct (slang_storage_array *);
+GLvoid slang_storage_array_destruct (slang_storage_array *);
/*
- The slang_storage_aggregate structure relaxes the indirect addressing requirement for
- slang_storage_array structure. Aggregates are always accessed statically - its member
- addresses are well-known at compile time. For example, user-defined types are implemented as
- aggregates. Aggregates can collect data of a different type.
-*/
+ * The slang_storage_aggregate structure relaxes the indirect addressing requirement for
+ * slang_storage_array structure. Aggregates are always accessed statically - its member
+ * addresses are well-known at compile time. For example, user-defined types are implemented as
+ * aggregates. Aggregates can collect data of a different type.
+ */
typedef struct slang_storage_aggregate_
{
slang_storage_array *arrays;
- unsigned int count;
+ GLuint count;
} slang_storage_aggregate;
-void slang_storage_aggregate_construct (slang_storage_aggregate *);
-void slang_storage_aggregate_destruct (slang_storage_aggregate *);
-
-int _slang_aggregate_variable (slang_storage_aggregate *, struct slang_type_specifier_ *,
- struct slang_operation_ *, struct slang_function_scope_ *, slang_struct_scope *);
+GLboolean slang_storage_aggregate_construct (slang_storage_aggregate *);
+GLvoid slang_storage_aggregate_destruct (slang_storage_aggregate *);
+
+extern GLboolean
+_slang_aggregate_variable(slang_storage_aggregate *agg,
+ slang_type_specifier *spec,
+ GLuint array_len,
+ slang_function_scope *funcs,
+ slang_struct_scope *structs,
+ slang_variable_scope *vars,
+ slang_machine *mach,
+ slang_assembly_file *file,
+ slang_atom_pool *atoms);
+
+extern GLboolean
+_slang_evaluate_int(slang_assembly_file *file,
+ slang_machine *pmach,
+ slang_assembly_name_space *space,
+ slang_operation *array_size,
+ GLuint *pint,
+ slang_atom_pool *atoms);
/*
- returns total size (in machine units) of the given aggregate
- returns 0 on error
-*/
-unsigned int _slang_sizeof_aggregate (const slang_storage_aggregate *);
+ * Returns total size (in machine units) of the given aggregate.
+ * Returns 0 on error.
+ */
+GLuint _slang_sizeof_aggregate (const slang_storage_aggregate *);
/*
- converts structured aggregate to a flat one, with arrays of generic type being
- one-element long
- returns 1 on success
- returns 0 otherwise
-*/
-int _slang_flatten_aggregate (slang_storage_aggregate *, const slang_storage_aggregate *);
+ * Converts structured aggregate to a flat one, with arrays of generic type being
+ * one-element long.
+ * Returns GL_TRUE on success.
+ * Returns GL_FALSE otherwise.
+ */
+GLboolean _slang_flatten_aggregate (slang_storage_aggregate *, const slang_storage_aggregate *);
#ifdef __cplusplus
}
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