diff options
Diffstat (limited to 'mesalib/src/glsl/glsl_types.h')
-rw-r--r-- | mesalib/src/glsl/glsl_types.h | 952 |
1 files changed, 476 insertions, 476 deletions
diff --git a/mesalib/src/glsl/glsl_types.h b/mesalib/src/glsl/glsl_types.h index ab6858faa..c3b7255a3 100644 --- a/mesalib/src/glsl/glsl_types.h +++ b/mesalib/src/glsl/glsl_types.h @@ -1,476 +1,476 @@ -/* -*- 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 <cstring> -#include <cassert> - -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 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); - /*@}*/ - - /** - * \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;
+ 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 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);
+ /*@}*/
+
+ /**
+ * \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 */
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