/*
* 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_VARIABLE_H
+#ifndef SLANG_COMPILE_VARIABLE_H
#define SLANG_COMPILE_VARIABLE_H
#if defined __cplusplus
extern "C" {
#endif
+
+struct slang_ir_storage_;
+
+
+typedef enum slang_type_variant_
+{
+ SLANG_VARIANT, /* the default */
+ SLANG_INVARIANT /* indicates the "invariant" keyword */
+} slang_type_variant;
+
+
+typedef enum slang_type_centroid_
+{
+ SLANG_CENTER, /* the default */
+ SLANG_CENTROID /* indicates the "centroid" keyword */
+} slang_type_centroid;
+
+
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_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;
-slang_type_specifier_type slang_type_specifier_type_from_string (const char *);
-const char *slang_type_specifier_type_to_string (slang_type_specifier_type);
+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_qualifier qualifier;
+ slang_type_specifier specifier;
+ slang_type_precision precision;
+ slang_type_variant variant;
+ slang_type_centroid centroid;
+ GLint array_len; /**< -1 if not an array type */
} slang_fully_specified_type;
-int slang_fully_specified_type_construct (slang_fully_specified_type *);
-void slang_fully_specified_type_destruct (slang_fully_specified_type *);
-int slang_fully_specified_type_copy (slang_fully_specified_type *, const 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 */
+ 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_
{
- struct slang_variable_ *variables;
+ slang_variable **variables; /**< Array [num_variables] of ptrs to vars */
GLuint num_variables;
- struct slang_variable_scope_ *outer_scope;
+ 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 *);
+_slang_variable_scope_ctr(slang_variable_scope *);
-void slang_variable_scope_destruct (slang_variable_scope *);
-int slang_variable_scope_copy (slang_variable_scope *, const slang_variable_scope *);
+extern void
+slang_variable_scope_destruct(slang_variable_scope *);
-typedef struct slang_variable_
-{
- slang_fully_specified_type type;
- slang_atom a_name;
- GLuint array_len; /* type: spec_array */
- struct slang_operation_ *initializer;
- unsigned int address;
- unsigned int size;
- int global;
-} slang_variable;
+extern int
+slang_variable_scope_copy(slang_variable_scope *,
+ const slang_variable_scope *);
+
+extern slang_variable *
+slang_variable_scope_grow(slang_variable_scope *);
-int slang_variable_construct (slang_variable *);
-void slang_variable_destruct (slang_variable *);
-int slang_variable_copy (slang_variable *, const slang_variable *);
+extern int
+slang_variable_construct(slang_variable *);
-slang_variable *_slang_locate_variable (slang_variable_scope *, slang_atom a_name, GLboolean all);
+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);
-GLboolean _slang_build_export_data_table (slang_export_data_table *, slang_variable_scope *);
#ifdef __cplusplus
}
#endif
-#endif
-
+#endif /* SLANG_COMPILE_VARIABLE_H */
projects / mesa.git / blobdiff