xkeyboard-config libxcb pixman mesalib git update 13 Mar 2011

1 files changed, 478 insertions, 478 deletions

diff --git a/mesalib/src/glsl/glsl_types.h b/mesalib/src/glsl/glsl_types.h
index 3c2672c01..e4c84c953 100644
--- a/mesalib/src/glsl/glsl_types.h
+++ b/mesalib/src/glsl/glsl_types.h
@@ -1,478 +1,478 @@
-/* -*- c++ -*- */
-/*
- * Copyright © 2009 Intel Corporation
- *
- * 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 (including the next
- * paragraph) 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
- * THE AUTHORS OR COPYRIGHT HOLDERS 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.
- */
-
-#pragma once
-#ifndef GLSL_TYPES_H
-#define GLSL_TYPES_H
-
-#include <string.h>
-#include <assert.h>
-
-extern "C" {
-#include "GL/gl.h"
-}
-
-#include "ralloc.h"
-
-struct _mesa_glsl_parse_state;
-struct glsl_symbol_table;
-
-extern "C" void
-_mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state);
-
-extern "C" void
-_mesa_glsl_release_types(void);
-
-enum glsl_base_type {
-   GLSL_TYPE_UINT = 0,
-   GLSL_TYPE_INT,
-   GLSL_TYPE_FLOAT,
-   GLSL_TYPE_BOOL,
-   GLSL_TYPE_SAMPLER,
-   GLSL_TYPE_STRUCT,
-   GLSL_TYPE_ARRAY,
-   GLSL_TYPE_VOID,
-   GLSL_TYPE_ERROR
-};
-
-enum glsl_sampler_dim {
-   GLSL_SAMPLER_DIM_1D = 0,
-   GLSL_SAMPLER_DIM_2D,
-   GLSL_SAMPLER_DIM_3D,
-   GLSL_SAMPLER_DIM_CUBE,
-   GLSL_SAMPLER_DIM_RECT,
-   GLSL_SAMPLER_DIM_BUF
-};
-
-
-struct glsl_type {
-   GLenum gl_type;
-   glsl_base_type base_type;
-
-   unsigned sampler_dimensionality:3;
-   unsigned sampler_shadow:1;
-   unsigned sampler_array:1;
-   unsigned sampler_type:2;    /**< Type of data returned using this sampler.
-				* only \c GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,
-				* and \c GLSL_TYPE_UINT are valid.
-				*/
-
-   /* Callers of this ralloc-based new need not call delete. It's
-    * easier to just ralloc_free 'mem_ctx' (or any of its ancestors). */
-   static void* operator new(size_t size)
-   {
-      if (glsl_type::mem_ctx == NULL) {
-	 glsl_type::mem_ctx = ralloc_context(NULL);
-	 assert(glsl_type::mem_ctx != NULL);
-      }
-
-      void *type;
-
-      type = ralloc_size(glsl_type::mem_ctx, size);
-      assert(type != NULL);
-
-      return type;
-   }
-
-   /* If the user *does* call delete, that's OK, we will just
-    * ralloc_free in that case. */
-   static void operator delete(void *type)
-   {
-      ralloc_free(type);
-   }
-
-   /**
-    * \name Vector and matrix element counts
-    *
-    * For scalars, each of these values will be 1.  For non-numeric types
-    * these will be 0.
-    */
-   /*@{*/
-   unsigned vector_elements:3; /**< 1, 2, 3, or 4 vector elements. */
-   unsigned matrix_columns:3;  /**< 1, 2, 3, or 4 matrix columns. */
-   /*@}*/
-
-   /**
-    * Name of the data type
-    *
-    * This may be \c NULL for anonymous structures, for arrays, or for
-    * function types.
-    */
-   const char *name;
-
-   /**
-    * For \c GLSL_TYPE_ARRAY, this is the length of the array.  For
-    * \c GLSL_TYPE_STRUCT, it is the number of elements in the structure and
-    * the number of values pointed to by \c fields.structure (below).
-    */
-   unsigned length;
-
-   /**
-    * Subtype of composite data types.
-    */
-   union {
-      const struct glsl_type *array;            /**< Type of array elements. */
-      const struct glsl_type *parameters;       /**< Parameters to function. */
-      struct glsl_struct_field *structure;      /**< List of struct fields. */
-   } fields;
-
-
-   /**
-    * \name Pointers to various public type singletons
-    */
-   /*@{*/
-   static const glsl_type *const error_type;
-   static const glsl_type *const void_type;
-   static const glsl_type *const int_type;
-   static const glsl_type *const ivec4_type;
-   static const glsl_type *const uint_type;
-   static const glsl_type *const uvec2_type;
-   static const glsl_type *const uvec3_type;
-   static const glsl_type *const uvec4_type;
-   static const glsl_type *const float_type;
-   static const glsl_type *const vec2_type;
-   static const glsl_type *const vec3_type;
-   static const glsl_type *const vec4_type;
-   static const glsl_type *const bool_type;
-   static const glsl_type *const mat2_type;
-   static const glsl_type *const mat2x3_type;
-   static const glsl_type *const mat2x4_type;
-   static const glsl_type *const mat3x2_type;
-   static const glsl_type *const mat3_type;
-   static const glsl_type *const mat3x4_type;
-   static const glsl_type *const mat4x2_type;
-   static const glsl_type *const mat4x3_type;
-   static const glsl_type *const mat4_type;
-   /*@}*/
-
-
-   /**
-    * For numeric and boolean derrived types returns the basic scalar type
-    *
-    * If the type is a numeric or boolean scalar, vector, or matrix type,
-    * this function gets the scalar type of the individual components.  For
-    * all other types, including arrays of numeric or boolean types, the
-    * error type is returned.
-    */
-   const glsl_type *get_base_type() const;
-
-   /**
-    * Query the type of elements in an array
-    *
-    * \return
-    * Pointer to the type of elements in the array for array types, or \c NULL
-    * for non-array types.
-    */
-   const glsl_type *element_type() const
-   {
-      return is_array() ? fields.array : NULL;
-   }
-
-   /**
-    * Get the instance of a built-in scalar, vector, or matrix type
-    */
-   static const glsl_type *get_instance(unsigned base_type, unsigned rows,
-					unsigned columns);
-
-   /**
-    * Get the instance of an array type
-    */
-   static const glsl_type *get_array_instance(const glsl_type *base,
-					      unsigned elements);
-
-   /**
-    * Get the instance of a record type
-    */
-   static const glsl_type *get_record_instance(const glsl_struct_field *fields,
-					       unsigned num_fields,
-					       const char *name);
-
-   /**
-    * Query the total number of scalars that make up a scalar, vector or matrix
-    */
-   unsigned components() const
-   {
-      return vector_elements * matrix_columns;
-   }
-
-   /**
-    * Calculate the number of components slots required to hold this type
-    *
-    * This is used to determine how many uniform or varying locations a type
-    * might occupy.
-    */
-   unsigned component_slots() const;
-
-
-   /**
-    * Query whether or not a type is a scalar (non-vector and non-matrix).
-    */
-   bool is_scalar() const
-   {
-      return (vector_elements == 1)
-	 && (base_type >= GLSL_TYPE_UINT)
-	 && (base_type <= GLSL_TYPE_BOOL);
-   }
-
-   /**
-    * Query whether or not a type is a vector
-    */
-   bool is_vector() const
-   {
-      return (vector_elements > 1)
-	 && (matrix_columns == 1)
-	 && (base_type >= GLSL_TYPE_UINT)
-	 && (base_type <= GLSL_TYPE_BOOL);
-   }
-
-   /**
-    * Query whether or not a type is a matrix
-    */
-   bool is_matrix() const
-   {
-      /* GLSL only has float matrices. */
-      return (matrix_columns > 1) && (base_type == GLSL_TYPE_FLOAT);
-   }
-
-   /**
-    * Query whether or not a type is a non-array numeric type
-    */
-   bool is_numeric() const
-   {
-      return (base_type >= GLSL_TYPE_UINT) && (base_type <= GLSL_TYPE_FLOAT);
-   }
-
-   /**
-    * Query whether or not a type is an integral type
-    */
-   bool is_integer() const
-   {
-      return (base_type == GLSL_TYPE_UINT) || (base_type == GLSL_TYPE_INT);
-   }
-
-   /**
-    * Query whether or not a type is a float type
-    */
-   bool is_float() const
-   {
-      return base_type == GLSL_TYPE_FLOAT;
-   }
-
-   /**
-    * Query whether or not a type is a non-array boolean type
-    */
-   bool is_boolean() const
-   {
-      return base_type == GLSL_TYPE_BOOL;
-   }
-
-   /**
-    * Query whether or not a type is a sampler
-    */
-   bool is_sampler() const
-   {
-      return base_type == GLSL_TYPE_SAMPLER;
-   }
-
-   /**
-    * Query whether or not a type is an array
-    */
-   bool is_array() const
-   {
-      return base_type == GLSL_TYPE_ARRAY;
-   }
-
-   /**
-    * Query whether or not a type is a record
-    */
-   bool is_record() const
-   {
-      return base_type == GLSL_TYPE_STRUCT;
-   }
-
-   /**
-    * Query whether or not a type is the void type singleton.
-    */
-   bool is_void() const
-   {
-      return base_type == GLSL_TYPE_VOID;
-   }
-
-   /**
-    * Query whether or not a type is the error type singleton.
-    */
-   bool is_error() const
-   {
-      return base_type == GLSL_TYPE_ERROR;
-   }
-
-   /**
-    * Query the full type of a matrix row
-    *
-    * \return
-    * If the type is not a matrix, \c glsl_type::error_type is returned.
-    * Otherwise a type matching the rows of the matrix is returned.
-    */
-   const glsl_type *row_type() const
-   {
-      return is_matrix()
-	 ? get_instance(base_type, matrix_columns, 1)
-	 : error_type;
-   }
-
-   /**
-    * Query the full type of a matrix column
-    *
-    * \return
-    * If the type is not a matrix, \c glsl_type::error_type is returned.
-    * Otherwise a type matching the columns of the matrix is returned.
-    */
-   const glsl_type *column_type() const
-   {
-      return is_matrix()
-	 ? get_instance(base_type, vector_elements, 1)
-	 : error_type;
-   }
-
-
-   /**
-    * Get the type of a structure field
-    *
-    * \return
-    * Pointer to the type of the named field.  If the type is not a structure
-    * or the named field does not exist, \c glsl_type::error_type is returned.
-    */
-   const glsl_type *field_type(const char *name) const;
-
-
-   /**
-    * Get the location of a filed within a record type
-    */
-   int field_index(const char *name) const;
-
-
-   /**
-    * Query the number of elements in an array type
-    *
-    * \return
-    * The number of elements in the array for array types or -1 for non-array
-    * types.  If the number of elements in the array has not yet been declared,
-    * zero is returned.
-    */
-   int array_size() const
-   {
-      return is_array() ? length : -1;
-   }
-
-private:
-   /**
-    * ralloc context for all glsl_type allocations
-    *
-    * Set on the first call to \c glsl_type::new.
-    */
-   static void *mem_ctx;
-
-   void init_ralloc_type_ctx(void);
-
-   /** Constructor for vector and matrix types */
-   glsl_type(GLenum gl_type,
-	     glsl_base_type base_type, unsigned vector_elements,
-	     unsigned matrix_columns, const char *name);
-
-   /** Constructor for sampler types */
-   glsl_type(GLenum gl_type,
-	     enum glsl_sampler_dim dim, bool shadow, bool array,
-	     unsigned type, const char *name);
-
-   /** Constructor for record types */
-   glsl_type(const glsl_struct_field *fields, unsigned num_fields,
-	     const char *name);
-
-   /** Constructor for array types */
-   glsl_type(const glsl_type *array, unsigned length);
-
-   /** Hash table containing the known array types. */
-   static struct hash_table *array_types;
-
-   /** Hash table containing the known record types. */
-   static struct hash_table *record_types;
-
-   static int record_key_compare(const void *a, const void *b);
-   static unsigned record_key_hash(const void *key);
-
-   /**
-    * \name Pointers to various type singletons
-    */
-   /*@{*/
-   static const glsl_type _error_type;
-   static const glsl_type _void_type;
-   static const glsl_type _sampler3D_type;
-   static const glsl_type builtin_core_types[];
-   static const glsl_type builtin_structure_types[];
-   static const glsl_type builtin_110_deprecated_structure_types[];
-   static const glsl_type builtin_110_types[];
-   static const glsl_type builtin_120_types[];
-   static const glsl_type builtin_130_types[];
-   static const glsl_type builtin_ARB_texture_rectangle_types[];
-   static const glsl_type builtin_EXT_texture_array_types[];
-   static const glsl_type builtin_EXT_texture_buffer_object_types[];
-   /*@}*/
-
-   /**
-    * \name Methods to populate a symbol table with built-in types.
-    *
-    * \internal
-    * This is one of the truely annoying things about C++.  Methods that are
-    * completely internal and private to a type still have to be advertised to
-    * the world in a public header file.
-    */
-   /*@{*/
-   static void generate_100ES_types(glsl_symbol_table *);
-   static void generate_110_types(glsl_symbol_table *);
-   static void generate_120_types(glsl_symbol_table *);
-   static void generate_130_types(glsl_symbol_table *);
-   static void generate_ARB_texture_rectangle_types(glsl_symbol_table *, bool);
-   static void generate_EXT_texture_array_types(glsl_symbol_table *, bool);
-   static void generate_OES_texture_3D_types(glsl_symbol_table *, bool);
-   /*@}*/
-
-   /**
-    * \name Friend functions.
-    *
-    * These functions are friends because they must have C linkage and the
-    * need to call various private methods or access various private static
-    * data.
-    */
-   /*@{*/
-   friend void _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *);
-   friend void _mesa_glsl_release_types(void);
-   /*@}*/
-};
-
-struct glsl_struct_field {
-   const struct glsl_type *type;
-   const char *name;
-};
-
-#endif /* GLSL_TYPES_H */
+/* -*- c++ -*- */

+/*

+ * Copyright © 2009 Intel Corporation

+ *

+ * 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 (including the next

+ * paragraph) 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

+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.

+ */

+

+#pragma once

+#ifndef GLSL_TYPES_H

+#define GLSL_TYPES_H

+

+#include <string.h>

+#include <assert.h>

+

+extern "C" {

+#include "GL/gl.h"

+}

+

+#include "ralloc.h"

+

+struct _mesa_glsl_parse_state;

+struct glsl_symbol_table;

+

+extern "C" void

+_mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state);

+

+extern "C" void

+_mesa_glsl_release_types(void);

+

+enum glsl_base_type {

+   GLSL_TYPE_UINT = 0,

+   GLSL_TYPE_INT,

+   GLSL_TYPE_FLOAT,

+   GLSL_TYPE_BOOL,

+   GLSL_TYPE_SAMPLER,

+   GLSL_TYPE_STRUCT,

+   GLSL_TYPE_ARRAY,

+   GLSL_TYPE_VOID,

+   GLSL_TYPE_ERROR

+};

+

+enum glsl_sampler_dim {

+   GLSL_SAMPLER_DIM_1D = 0,

+   GLSL_SAMPLER_DIM_2D,

+   GLSL_SAMPLER_DIM_3D,

+   GLSL_SAMPLER_DIM_CUBE,

+   GLSL_SAMPLER_DIM_RECT,

+   GLSL_SAMPLER_DIM_BUF

+};

+

+

+struct glsl_type {

+   GLenum gl_type;

+   glsl_base_type base_type;

+

+   unsigned sampler_dimensionality:3; /**< \see glsl_sampler_dim */

+   unsigned sampler_shadow:1;

+   unsigned sampler_array:1;

+   unsigned sampler_type:2;    /**< Type of data returned using this sampler.

+				* only \c GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,

+				* and \c GLSL_TYPE_UINT are valid.

+				*/

+

+   /* Callers of this ralloc-based new need not call delete. It's

+    * easier to just ralloc_free 'mem_ctx' (or any of its ancestors). */

+   static void* operator new(size_t size)

+   {

+      if (glsl_type::mem_ctx == NULL) {

+	 glsl_type::mem_ctx = ralloc_context(NULL);

+	 assert(glsl_type::mem_ctx != NULL);

+      }

+

+      void *type;

+

+      type = ralloc_size(glsl_type::mem_ctx, size);

+      assert(type != NULL);

+

+      return type;

+   }

+

+   /* If the user *does* call delete, that's OK, we will just

+    * ralloc_free in that case. */

+   static void operator delete(void *type)

+   {

+      ralloc_free(type);

+   }

+

+   /**

+    * \name Vector and matrix element counts

+    *

+    * For scalars, each of these values will be 1.  For non-numeric types

+    * these will be 0.

+    */

+   /*@{*/

+   unsigned vector_elements:3; /**< 1, 2, 3, or 4 vector elements. */

+   unsigned matrix_columns:3;  /**< 1, 2, 3, or 4 matrix columns. */

+   /*@}*/

+

+   /**

+    * Name of the data type

+    *

+    * This may be \c NULL for anonymous structures, for arrays, or for

+    * function types.

+    */

+   const char *name;

+

+   /**

+    * For \c GLSL_TYPE_ARRAY, this is the length of the array.  For

+    * \c GLSL_TYPE_STRUCT, it is the number of elements in the structure and

+    * the number of values pointed to by \c fields.structure (below).

+    */

+   unsigned length;

+

+   /**

+    * Subtype of composite data types.

+    */

+   union {

+      const struct glsl_type *array;            /**< Type of array elements. */

+      const struct glsl_type *parameters;       /**< Parameters to function. */

+      struct glsl_struct_field *structure;      /**< List of struct fields. */

+   } fields;

+

+

+   /**

+    * \name Pointers to various public type singletons

+    */

+   /*@{*/

+   static const glsl_type *const error_type;

+   static const glsl_type *const void_type;

+   static const glsl_type *const int_type;

+   static const glsl_type *const ivec4_type;

+   static const glsl_type *const uint_type;

+   static const glsl_type *const uvec2_type;

+   static const glsl_type *const uvec3_type;

+   static const glsl_type *const uvec4_type;

+   static const glsl_type *const float_type;

+   static const glsl_type *const vec2_type;

+   static const glsl_type *const vec3_type;

+   static const glsl_type *const vec4_type;

+   static const glsl_type *const bool_type;

+   static const glsl_type *const mat2_type;

+   static const glsl_type *const mat2x3_type;

+   static const glsl_type *const mat2x4_type;

+   static const glsl_type *const mat3x2_type;

+   static const glsl_type *const mat3_type;

+   static const glsl_type *const mat3x4_type;

+   static const glsl_type *const mat4x2_type;

+   static const glsl_type *const mat4x3_type;

+   static const glsl_type *const mat4_type;

+   /*@}*/

+

+

+   /**

+    * For numeric and boolean derrived types returns the basic scalar type

+    *

+    * If the type is a numeric or boolean scalar, vector, or matrix type,

+    * this function gets the scalar type of the individual components.  For

+    * all other types, including arrays of numeric or boolean types, the

+    * error type is returned.

+    */

+   const glsl_type *get_base_type() const;

+

+   /**

+    * Query the type of elements in an array

+    *

+    * \return

+    * Pointer to the type of elements in the array for array types, or \c NULL

+    * for non-array types.

+    */

+   const glsl_type *element_type() const

+   {

+      return is_array() ? fields.array : NULL;

+   }

+

+   /**

+    * Get the instance of a built-in scalar, vector, or matrix type

+    */

+   static const glsl_type *get_instance(unsigned base_type, unsigned rows,

+					unsigned columns);

+

+   /**

+    * Get the instance of an array type

+    */

+   static const glsl_type *get_array_instance(const glsl_type *base,

+					      unsigned elements);

+

+   /**

+    * Get the instance of a record type

+    */

+   static const glsl_type *get_record_instance(const glsl_struct_field *fields,

+					       unsigned num_fields,

+					       const char *name);

+

+   /**

+    * Query the total number of scalars that make up a scalar, vector or matrix

+    */

+   unsigned components() const

+   {

+      return vector_elements * matrix_columns;

+   }

+

+   /**

+    * Calculate the number of components slots required to hold this type

+    *

+    * This is used to determine how many uniform or varying locations a type

+    * might occupy.

+    */

+   unsigned component_slots() const;

+

+

+   /**

+    * Query whether or not a type is a scalar (non-vector and non-matrix).

+    */

+   bool is_scalar() const

+   {

+      return (vector_elements == 1)

+	 && (base_type >= GLSL_TYPE_UINT)

+	 && (base_type <= GLSL_TYPE_BOOL);

+   }

+

+   /**

+    * Query whether or not a type is a vector

+    */

+   bool is_vector() const

+   {

+      return (vector_elements > 1)

+	 && (matrix_columns == 1)

+	 && (base_type >= GLSL_TYPE_UINT)

+	 && (base_type <= GLSL_TYPE_BOOL);

+   }

+

+   /**

+    * Query whether or not a type is a matrix

+    */

+   bool is_matrix() const

+   {

+      /* GLSL only has float matrices. */

+      return (matrix_columns > 1) && (base_type == GLSL_TYPE_FLOAT);

+   }

+

+   /**

+    * Query whether or not a type is a non-array numeric type

+    */

+   bool is_numeric() const

+   {

+      return (base_type >= GLSL_TYPE_UINT) && (base_type <= GLSL_TYPE_FLOAT);

+   }

+

+   /**

+    * Query whether or not a type is an integral type

+    */

+   bool is_integer() const

+   {

+      return (base_type == GLSL_TYPE_UINT) || (base_type == GLSL_TYPE_INT);

+   }

+

+   /**

+    * Query whether or not a type is a float type

+    */

+   bool is_float() const

+   {

+      return base_type == GLSL_TYPE_FLOAT;

+   }

+

+   /**

+    * Query whether or not a type is a non-array boolean type

+    */

+   bool is_boolean() const

+   {

+      return base_type == GLSL_TYPE_BOOL;

+   }

+

+   /**

+    * Query whether or not a type is a sampler

+    */

+   bool is_sampler() const

+   {

+      return base_type == GLSL_TYPE_SAMPLER;

+   }

+

+   /**

+    * Query whether or not a type is an array

+    */

+   bool is_array() const

+   {

+      return base_type == GLSL_TYPE_ARRAY;

+   }

+

+   /**

+    * Query whether or not a type is a record

+    */

+   bool is_record() const

+   {

+      return base_type == GLSL_TYPE_STRUCT;

+   }

+

+   /**

+    * Query whether or not a type is the void type singleton.

+    */

+   bool is_void() const

+   {

+      return base_type == GLSL_TYPE_VOID;

+   }

+

+   /**

+    * Query whether or not a type is the error type singleton.

+    */

+   bool is_error() const

+   {

+      return base_type == GLSL_TYPE_ERROR;

+   }

+

+   /**

+    * Query the full type of a matrix row

+    *

+    * \return

+    * If the type is not a matrix, \c glsl_type::error_type is returned.

+    * Otherwise a type matching the rows of the matrix is returned.

+    */

+   const glsl_type *row_type() const

+   {

+      return is_matrix()

+	 ? get_instance(base_type, matrix_columns, 1)

+	 : error_type;

+   }

+

+   /**

+    * Query the full type of a matrix column

+    *

+    * \return

+    * If the type is not a matrix, \c glsl_type::error_type is returned.

+    * Otherwise a type matching the columns of the matrix is returned.

+    */

+   const glsl_type *column_type() const

+   {

+      return is_matrix()

+	 ? get_instance(base_type, vector_elements, 1)

+	 : error_type;

+   }

+

+

+   /**

+    * Get the type of a structure field

+    *

+    * \return

+    * Pointer to the type of the named field.  If the type is not a structure

+    * or the named field does not exist, \c glsl_type::error_type is returned.

+    */

+   const glsl_type *field_type(const char *name) const;

+

+

+   /**

+    * Get the location of a filed within a record type

+    */

+   int field_index(const char *name) const;

+

+

+   /**

+    * Query the number of elements in an array type

+    *

+    * \return

+    * The number of elements in the array for array types or -1 for non-array

+    * types.  If the number of elements in the array has not yet been declared,

+    * zero is returned.

+    */

+   int array_size() const

+   {

+      return is_array() ? length : -1;

+   }

+

+private:

+   /**

+    * ralloc context for all glsl_type allocations

+    *

+    * Set on the first call to \c glsl_type::new.

+    */

+   static void *mem_ctx;

+

+   void init_ralloc_type_ctx(void);

+

+   /** Constructor for vector and matrix types */

+   glsl_type(GLenum gl_type,

+	     glsl_base_type base_type, unsigned vector_elements,

+	     unsigned matrix_columns, const char *name);

+

+   /** Constructor for sampler types */

+   glsl_type(GLenum gl_type,

+	     enum glsl_sampler_dim dim, bool shadow, bool array,

+	     unsigned type, const char *name);

+

+   /** Constructor for record types */

+   glsl_type(const glsl_struct_field *fields, unsigned num_fields,

+	     const char *name);

+

+   /** Constructor for array types */

+   glsl_type(const glsl_type *array, unsigned length);

+

+   /** Hash table containing the known array types. */

+   static struct hash_table *array_types;

+

+   /** Hash table containing the known record types. */

+   static struct hash_table *record_types;

+

+   static int record_key_compare(const void *a, const void *b);

+   static unsigned record_key_hash(const void *key);

+

+   /**

+    * \name Pointers to various type singletons

+    */

+   /*@{*/

+   static const glsl_type _error_type;

+   static const glsl_type _void_type;

+   static const glsl_type _sampler3D_type;

+   static const glsl_type builtin_core_types[];

+   static const glsl_type builtin_structure_types[];

+   static const glsl_type builtin_110_deprecated_structure_types[];

+   static const glsl_type builtin_110_types[];

+   static const glsl_type builtin_120_types[];

+   static const glsl_type builtin_130_types[];

+   static const glsl_type builtin_ARB_texture_rectangle_types[];

+   static const glsl_type builtin_EXT_texture_array_types[];

+   static const glsl_type builtin_EXT_texture_buffer_object_types[];

+   /*@}*/

+

+   /**

+    * \name Methods to populate a symbol table with built-in types.

+    *

+    * \internal

+    * This is one of the truely annoying things about C++.  Methods that are

+    * completely internal and private to a type still have to be advertised to

+    * the world in a public header file.

+    */

+   /*@{*/

+   static void generate_100ES_types(glsl_symbol_table *);

+   static void generate_110_types(glsl_symbol_table *);

+   static void generate_120_types(glsl_symbol_table *);

+   static void generate_130_types(glsl_symbol_table *);

+   static void generate_ARB_texture_rectangle_types(glsl_symbol_table *, bool);

+   static void generate_EXT_texture_array_types(glsl_symbol_table *, bool);

+   static void generate_OES_texture_3D_types(glsl_symbol_table *, bool);

+   /*@}*/

+

+   /**

+    * \name Friend functions.

+    *

+    * These functions are friends because they must have C linkage and the

+    * need to call various private methods or access various private static

+    * data.

+    */

+   /*@{*/

+   friend void _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *);

+   friend void _mesa_glsl_release_types(void);

+   /*@}*/

+};

+

+struct glsl_struct_field {

+   const struct glsl_type *type;

+   const char *name;

+};

+

+#endif /* GLSL_TYPES_H */