3 * Copyright © 2009 Intel Corporation
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
31 #include "shader_enums.h"
40 struct _mesa_glsl_parse_state
;
41 struct glsl_symbol_table
;
44 _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state
*state
);
47 _mesa_glsl_release_types(void);
49 void encode_type_to_blob(struct blob
*blob
, const struct glsl_type
*type
);
51 const struct glsl_type
*decode_type_from_blob(struct blob_reader
*blob
);
58 /* Note: GLSL_TYPE_UINT, GLSL_TYPE_INT, and GLSL_TYPE_FLOAT must be 0, 1,
59 * and 2 so that they will fit in the 2 bits of glsl_type::sampled_type.
70 GLSL_TYPE_ATOMIC_UINT
,
80 static inline bool glsl_base_type_is_64bit(enum glsl_base_type type
)
82 return type
== GLSL_TYPE_DOUBLE
||
83 type
== GLSL_TYPE_UINT64
||
84 type
== GLSL_TYPE_INT64
||
85 type
== GLSL_TYPE_IMAGE
||
86 type
== GLSL_TYPE_SAMPLER
;
89 static inline bool glsl_base_type_is_integer(enum glsl_base_type type
)
91 return type
== GLSL_TYPE_UINT
||
92 type
== GLSL_TYPE_INT
||
93 type
== GLSL_TYPE_UINT64
||
94 type
== GLSL_TYPE_INT64
||
95 type
== GLSL_TYPE_BOOL
||
96 type
== GLSL_TYPE_SAMPLER
||
97 type
== GLSL_TYPE_IMAGE
;
100 enum glsl_sampler_dim
{
101 GLSL_SAMPLER_DIM_1D
= 0,
104 GLSL_SAMPLER_DIM_CUBE
,
105 GLSL_SAMPLER_DIM_RECT
,
106 GLSL_SAMPLER_DIM_BUF
,
107 GLSL_SAMPLER_DIM_EXTERNAL
,
109 GLSL_SAMPLER_DIM_SUBPASS
, /* for vulkan input attachments */
110 GLSL_SAMPLER_DIM_SUBPASS_MS
, /* for multisampled vulkan input attachments */
113 enum glsl_matrix_layout
{
115 * The layout of the matrix is inherited from the object containing the
116 * matrix (the top level structure or the uniform block).
118 GLSL_MATRIX_LAYOUT_INHERITED
,
121 * Explicit column-major layout
123 * If a uniform block doesn't have an explicit layout set, it will default
126 GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
,
131 GLSL_MATRIX_LAYOUT_ROW_MAJOR
135 GLSL_PRECISION_NONE
= 0,
137 GLSL_PRECISION_MEDIUM
,
143 #include "util/ralloc.h"
144 #include "main/mtypes.h" /* for gl_texture_index, C++'s enum rules are broken */
148 glsl_base_type base_type
;
150 unsigned sampler_dimensionality
:4; /**< \see glsl_sampler_dim */
151 unsigned sampler_shadow
:1;
152 unsigned sampler_array
:1;
153 unsigned sampled_type
:2; /**< Type of data returned using this
154 * sampler or image. Only \c
155 * GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,
156 * and \c GLSL_TYPE_UINT are valid.
158 unsigned interface_packing
:2;
159 unsigned interface_row_major
:1;
161 /* Callers of this ralloc-based new need not call delete. It's
162 * easier to just ralloc_free 'mem_ctx' (or any of its ancestors). */
163 static void* operator new(size_t size
)
165 mtx_lock(&glsl_type::mem_mutex
);
167 /* mem_ctx should have been created by the static members */
168 assert(glsl_type::mem_ctx
!= NULL
);
172 type
= ralloc_size(glsl_type::mem_ctx
, size
);
173 assert(type
!= NULL
);
175 mtx_unlock(&glsl_type::mem_mutex
);
180 /* If the user *does* call delete, that's OK, we will just
181 * ralloc_free in that case. */
182 static void operator delete(void *type
)
184 mtx_lock(&glsl_type::mem_mutex
);
186 mtx_unlock(&glsl_type::mem_mutex
);
190 * \name Vector and matrix element counts
192 * For scalars, each of these values will be 1. For non-numeric types
196 uint8_t vector_elements
; /**< 1, 2, 3, or 4 vector elements. */
197 uint8_t matrix_columns
; /**< 1, 2, 3, or 4 matrix columns. */
201 * For \c GLSL_TYPE_ARRAY, this is the length of the array. For
202 * \c GLSL_TYPE_STRUCT or \c GLSL_TYPE_INTERFACE, it is the number of
203 * elements in the structure and the number of values pointed to by
204 * \c fields.structure (below).
209 * Name of the data type
211 * Will never be \c NULL.
216 * Subtype of composite data types.
219 const struct glsl_type
*array
; /**< Type of array elements. */
220 struct glsl_function_param
*parameters
; /**< Parameters to function. */
221 struct glsl_struct_field
*structure
; /**< List of struct fields. */
225 * \name Pointers to various public type singletons
229 #define DECL_TYPE(NAME, ...) \
230 static const glsl_type *const NAME##_type;
232 #define STRUCT_TYPE(NAME) \
233 static const glsl_type *const struct_##NAME##_type;
234 #include "compiler/builtin_type_macros.h"
238 * Convenience accessors for vector types (shorter than get_instance()).
241 static const glsl_type
*vec(unsigned components
);
242 static const glsl_type
*dvec(unsigned components
);
243 static const glsl_type
*ivec(unsigned components
);
244 static const glsl_type
*uvec(unsigned components
);
245 static const glsl_type
*bvec(unsigned components
);
246 static const glsl_type
*i64vec(unsigned components
);
247 static const glsl_type
*u64vec(unsigned components
);
251 * For numeric and boolean derived types returns the basic scalar type
253 * If the type is a numeric or boolean scalar, vector, or matrix type,
254 * this function gets the scalar type of the individual components. For
255 * all other types, including arrays of numeric or boolean types, the
256 * error type is returned.
258 const glsl_type
*get_base_type() const;
261 * Get the basic scalar type which this type aggregates.
263 * If the type is a numeric or boolean scalar, vector, or matrix, or an
264 * array of any of those, this function gets the scalar type of the
265 * individual components. For structs and arrays of structs, this function
266 * returns the struct type. For samplers and arrays of samplers, this
267 * function returns the sampler type.
269 const glsl_type
*get_scalar_type() const;
272 * Get the instance of a built-in scalar, vector, or matrix type
274 static const glsl_type
*get_instance(unsigned base_type
, unsigned rows
,
278 * Get the instance of a sampler type
280 static const glsl_type
*get_sampler_instance(enum glsl_sampler_dim dim
,
283 glsl_base_type type
);
285 static const glsl_type
*get_image_instance(enum glsl_sampler_dim dim
,
286 bool array
, glsl_base_type type
);
289 * Get the instance of an array type
291 static const glsl_type
*get_array_instance(const glsl_type
*base
,
295 * Get the instance of a record type
297 static const glsl_type
*get_record_instance(const glsl_struct_field
*fields
,
302 * Get the instance of an interface block type
304 static const glsl_type
*get_interface_instance(const glsl_struct_field
*fields
,
306 enum glsl_interface_packing packing
,
308 const char *block_name
);
311 * Get the instance of an subroutine type
313 static const glsl_type
*get_subroutine_instance(const char *subroutine_name
);
316 * Get the instance of a function type
318 static const glsl_type
*get_function_instance(const struct glsl_type
*return_type
,
319 const glsl_function_param
*parameters
,
320 unsigned num_params
);
323 * Get the type resulting from a multiplication of \p type_a * \p type_b
325 static const glsl_type
*get_mul_type(const glsl_type
*type_a
,
326 const glsl_type
*type_b
);
329 * Query the total number of scalars that make up a scalar, vector or matrix
331 unsigned components() const
333 return vector_elements
* matrix_columns
;
337 * Calculate the number of components slots required to hold this type
339 * This is used to determine how many uniform or varying locations a type
342 unsigned component_slots() const;
345 * Calculate offset between the base location of the struct in
346 * uniform storage and a struct member.
347 * For the initial call, length is the index of the member to find the
350 unsigned record_location_offset(unsigned length
) const;
353 * Calculate the number of unique values from glGetUniformLocation for the
354 * elements of the type.
356 * This is used to allocate slots in the UniformRemapTable, the amount of
357 * locations may not match with actual used storage space by the driver.
359 unsigned uniform_locations() const;
362 * Used to count the number of varyings contained in the type ignoring
363 * innermost array elements.
365 unsigned varying_count() const;
368 * Calculate the number of attribute slots required to hold this type
370 * This implements the language rules of GLSL 1.50 for counting the number
371 * of slots used by a vertex attribute. It also determines the number of
372 * varying slots the type will use up in the absence of varying packing
373 * (and thus, it can be used to measure the number of varying slots used by
374 * the varyings that are generated by lower_packed_varyings).
376 * For vertex shader attributes - doubles only take one slot.
377 * For inter-shader varyings - dvec3/dvec4 take two slots.
379 unsigned count_attribute_slots(bool is_vertex_input
) const;
382 * Alignment in bytes of the start of this type in a std140 uniform
385 unsigned std140_base_alignment(bool row_major
) const;
387 /** Size in bytes of this type in a std140 uniform block.
389 * Note that this is not GL_UNIFORM_SIZE (which is the number of
390 * elements in the array)
392 unsigned std140_size(bool row_major
) const;
395 * Alignment in bytes of the start of this type in a std430 shader
398 unsigned std430_base_alignment(bool row_major
) const;
401 * Calculate array stride in bytes of this type in a std430 shader storage
404 unsigned std430_array_stride(bool row_major
) const;
407 * Size in bytes of this type in a std430 shader storage block.
409 * Note that this is not GL_BUFFER_SIZE
411 unsigned std430_size(bool row_major
) const;
414 * \brief Can this type be implicitly converted to another?
416 * \return True if the types are identical or if this type can be converted
417 * to \c desired according to Section 4.1.10 of the GLSL spec.
420 * From page 25 (31 of the pdf) of the GLSL 1.50 spec, Section 4.1.10
421 * Implicit Conversions:
423 * In some situations, an expression and its type will be implicitly
424 * converted to a different type. The following table shows all allowed
425 * implicit conversions:
427 * Type of expression | Can be implicitly converted to
428 * --------------------------------------------------
441 * There are no implicit array or structure conversions. For example,
442 * an array of int cannot be implicitly converted to an array of float.
443 * There are no implicit conversions between signed and unsigned
447 bool can_implicitly_convert_to(const glsl_type
*desired
,
448 _mesa_glsl_parse_state
*state
) const;
451 * Query whether or not a type is a scalar (non-vector and non-matrix).
453 bool is_scalar() const
455 return (vector_elements
== 1)
456 && (base_type
>= GLSL_TYPE_UINT
)
457 && (base_type
<= GLSL_TYPE_IMAGE
);
461 * Query whether or not a type is a vector
463 bool is_vector() const
465 return (vector_elements
> 1)
466 && (matrix_columns
== 1)
467 && (base_type
>= GLSL_TYPE_UINT
)
468 && (base_type
<= GLSL_TYPE_BOOL
);
472 * Query whether or not a type is a matrix
474 bool is_matrix() const
476 /* GLSL only has float matrices. */
477 return (matrix_columns
> 1) && (base_type
== GLSL_TYPE_FLOAT
|| base_type
== GLSL_TYPE_DOUBLE
);
481 * Query whether or not a type is a non-array numeric type
483 bool is_numeric() const
485 return (base_type
>= GLSL_TYPE_UINT
) && (base_type
<= GLSL_TYPE_INT64
);
489 * Query whether or not a type is an integral type
491 bool is_integer() const
493 return (base_type
== GLSL_TYPE_UINT
) || (base_type
== GLSL_TYPE_INT
);
497 * Query whether or not a type is a 64-bit integer.
499 bool is_integer_64() const
501 return base_type
== GLSL_TYPE_UINT64
|| base_type
== GLSL_TYPE_INT64
;
505 * Query whether or not a type is a 32-bit or 64-bit integer
507 bool is_integer_32_64() const
509 return is_integer() || is_integer_64();
513 * Query whether or not type is an integral type, or for struct and array
514 * types, contains an integral type.
516 bool contains_integer() const;
519 * Query whether or not type is a double type, or for struct, interface and
520 * array types, contains a double type.
522 bool contains_double() const;
525 * Query whether or not a type is a float type
527 bool is_float() const
529 return base_type
== GLSL_TYPE_FLOAT
;
533 * Query whether or not a type is a double type
535 bool is_double() const
537 return base_type
== GLSL_TYPE_DOUBLE
;
541 * Query whether a 64-bit type takes two slots.
543 bool is_dual_slot() const
545 return is_64bit() && vector_elements
> 2;
549 * Query whether or not a type is 64-bit
551 bool is_64bit() const
553 return glsl_base_type_is_64bit(base_type
);
557 * Query whether or not a type is a non-array boolean type
559 bool is_boolean() const
561 return base_type
== GLSL_TYPE_BOOL
;
565 * Query whether or not a type is a sampler
567 bool is_sampler() const
569 return base_type
== GLSL_TYPE_SAMPLER
;
573 * Query whether or not type is a sampler, or for struct, interface and
574 * array types, contains a sampler.
576 bool contains_sampler() const;
579 * Query whether or not type is an array or for struct, interface and
580 * array types, contains an array.
582 bool contains_array() const;
585 * Get the Mesa texture target index for a sampler type.
587 gl_texture_index
sampler_index() const;
590 * Query whether or not type is an image, or for struct, interface and
591 * array types, contains an image.
593 bool contains_image() const;
596 * Query whether or not a type is an image
598 bool is_image() const
600 return base_type
== GLSL_TYPE_IMAGE
;
604 * Query whether or not a type is an array
606 bool is_array() const
608 return base_type
== GLSL_TYPE_ARRAY
;
611 bool is_array_of_arrays() const
613 return is_array() && fields
.array
->is_array();
617 * Query whether or not a type is a record
619 bool is_record() const
621 return base_type
== GLSL_TYPE_STRUCT
;
625 * Query whether or not a type is an interface
627 bool is_interface() const
629 return base_type
== GLSL_TYPE_INTERFACE
;
633 * Query whether or not a type is the void type singleton.
637 return base_type
== GLSL_TYPE_VOID
;
641 * Query whether or not a type is the error type singleton.
643 bool is_error() const
645 return base_type
== GLSL_TYPE_ERROR
;
649 * Query if a type is unnamed/anonymous (named by the parser)
652 bool is_subroutine() const
654 return base_type
== GLSL_TYPE_SUBROUTINE
;
656 bool contains_subroutine() const;
658 bool is_anonymous() const
660 return !strncmp(name
, "#anon", 5);
664 * Get the type stripped of any arrays
667 * Pointer to the type of elements of the first non-array type for array
668 * types, or pointer to itself for non-array types.
670 const glsl_type
*without_array() const
672 const glsl_type
*t
= this;
674 while (t
->is_array())
681 * Return the total number of elements in an array including the elements
682 * in arrays of arrays.
684 unsigned arrays_of_arrays_size() const
689 unsigned size
= length
;
690 const glsl_type
*base_type
= fields
.array
;
692 while (base_type
->is_array()) {
693 size
= size
* base_type
->length
;
694 base_type
= base_type
->fields
.array
;
700 * Query whether or not a type is an atomic_uint.
702 bool is_atomic_uint() const
704 return base_type
== GLSL_TYPE_ATOMIC_UINT
;
708 * Return the amount of atomic counter storage required for a type.
710 unsigned atomic_size() const
712 if (is_atomic_uint())
713 return ATOMIC_COUNTER_SIZE
;
715 return length
* fields
.array
->atomic_size();
721 * Return whether a type contains any atomic counters.
723 bool contains_atomic() const
725 return atomic_size() > 0;
729 * Return whether a type contains any opaque types.
731 bool contains_opaque() const;
734 * Query the full type of a matrix row
737 * If the type is not a matrix, \c glsl_type::error_type is returned.
738 * Otherwise a type matching the rows of the matrix is returned.
740 const glsl_type
*row_type() const
743 ? get_instance(base_type
, matrix_columns
, 1)
748 * Query the full type of a matrix column
751 * If the type is not a matrix, \c glsl_type::error_type is returned.
752 * Otherwise a type matching the columns of the matrix is returned.
754 const glsl_type
*column_type() const
757 ? get_instance(base_type
, vector_elements
, 1)
762 * Get the type of a structure field
765 * Pointer to the type of the named field. If the type is not a structure
766 * or the named field does not exist, \c glsl_type::error_type is returned.
768 const glsl_type
*field_type(const char *name
) const;
771 * Get the location of a field within a record type
773 int field_index(const char *name
) const;
776 * Query the number of elements in an array type
779 * The number of elements in the array for array types or -1 for non-array
780 * types. If the number of elements in the array has not yet been declared,
783 int array_size() const
785 return is_array() ? length
: -1;
789 * Query whether the array size for all dimensions has been declared.
791 bool is_unsized_array() const
793 return is_array() && length
== 0;
797 * Return the number of coordinate components needed for this
798 * sampler or image type.
800 * This is based purely on the sampler's dimensionality. For example, this
801 * returns 1 for sampler1D, and 3 for sampler2DArray.
803 * Note that this is often different than actual coordinate type used in
804 * a texturing built-in function, since those pack additional values (such
805 * as the shadow comparator or projector) into the coordinate type.
807 int coordinate_components() const;
810 * Compare a record type against another record type.
812 * This is useful for matching record types declared across shader stages.
813 * The option to not match locations is to deal with places where the
814 * same struct is defined in a block which has a location set on it.
816 bool record_compare(const glsl_type
*b
, bool match_locations
= true) const;
819 * Get the type interface packing.
821 enum glsl_interface_packing
get_interface_packing() const
823 return (enum glsl_interface_packing
)interface_packing
;
827 * Get the type interface packing used internally. For shared and packing
828 * layouts this is implementation defined.
830 enum glsl_interface_packing
get_internal_ifc_packing(bool std430_supported
) const
832 enum glsl_interface_packing packing
= this->get_interface_packing();
833 if (packing
== GLSL_INTERFACE_PACKING_STD140
||
834 (!std430_supported
&&
835 (packing
== GLSL_INTERFACE_PACKING_SHARED
||
836 packing
== GLSL_INTERFACE_PACKING_PACKED
))) {
837 return GLSL_INTERFACE_PACKING_STD140
;
839 assert(packing
== GLSL_INTERFACE_PACKING_STD430
||
841 (packing
== GLSL_INTERFACE_PACKING_SHARED
||
842 packing
== GLSL_INTERFACE_PACKING_PACKED
)));
843 return GLSL_INTERFACE_PACKING_STD430
;
848 * Check if the type interface is row major
850 bool get_interface_row_major() const
852 return (bool) interface_row_major
;
857 static mtx_t mem_mutex
;
858 static mtx_t hash_mutex
;
861 * ralloc context for all glsl_type allocations
863 * Set on the first call to \c glsl_type::new.
865 static void *mem_ctx
;
867 void init_ralloc_type_ctx(void);
869 /** Constructor for vector and matrix types */
870 glsl_type(GLenum gl_type
,
871 glsl_base_type base_type
, unsigned vector_elements
,
872 unsigned matrix_columns
, const char *name
);
874 /** Constructor for sampler or image types */
875 glsl_type(GLenum gl_type
, glsl_base_type base_type
,
876 enum glsl_sampler_dim dim
, bool shadow
, bool array
,
877 unsigned type
, const char *name
);
879 /** Constructor for record types */
880 glsl_type(const glsl_struct_field
*fields
, unsigned num_fields
,
883 /** Constructor for interface types */
884 glsl_type(const glsl_struct_field
*fields
, unsigned num_fields
,
885 enum glsl_interface_packing packing
,
886 bool row_major
, const char *name
);
888 /** Constructor for interface types */
889 glsl_type(const glsl_type
*return_type
,
890 const glsl_function_param
*params
, unsigned num_params
);
892 /** Constructor for array types */
893 glsl_type(const glsl_type
*array
, unsigned length
);
895 /** Constructor for subroutine types */
896 glsl_type(const char *name
);
898 /** Hash table containing the known array types. */
899 static struct hash_table
*array_types
;
901 /** Hash table containing the known record types. */
902 static struct hash_table
*record_types
;
904 /** Hash table containing the known interface types. */
905 static struct hash_table
*interface_types
;
907 /** Hash table containing the known subroutine types. */
908 static struct hash_table
*subroutine_types
;
910 /** Hash table containing the known function types. */
911 static struct hash_table
*function_types
;
913 static bool record_key_compare(const void *a
, const void *b
);
914 static unsigned record_key_hash(const void *key
);
917 * \name Built-in type flyweights
921 #define DECL_TYPE(NAME, ...) static const glsl_type _##NAME##_type;
923 #define STRUCT_TYPE(NAME) static const glsl_type _struct_##NAME##_type;
924 #include "compiler/builtin_type_macros.h"
928 * \name Friend functions.
930 * These functions are friends because they must have C linkage and the
931 * need to call various private methods or access various private static
935 friend void _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state
*);
936 friend void _mesa_glsl_release_types(void);
942 #endif /* __cplusplus */
944 struct glsl_struct_field
{
945 const struct glsl_type
*type
;
949 * For interface blocks, gl_varying_slot corresponding to the input/output
950 * if this is a built-in input/output (i.e. a member of the built-in
951 * gl_PerVertex interface block); -1 otherwise.
953 * Ignored for structs.
958 * For interface blocks, members may have an explicit byte offset
959 * specified; -1 otherwise. Also used for xfb_offset layout qualifier.
961 * Unless used for xfb_offset this field is ignored for structs.
966 * For interface blocks, members may define a transform feedback buffer;
972 * For interface blocks, members may define a transform feedback stride;
978 * For interface blocks, the interpolation mode (as in
979 * ir_variable::interpolation). 0 otherwise.
981 unsigned interpolation
:2;
984 * For interface blocks, 1 if this variable uses centroid interpolation (as
985 * in ir_variable::centroid). 0 otherwise.
990 * For interface blocks, 1 if this variable uses sample interpolation (as
991 * in ir_variable::sample). 0 otherwise.
996 * Layout of the matrix. Uses glsl_matrix_layout values.
998 unsigned matrix_layout
:2;
1001 * For interface blocks, 1 if this variable is a per-patch input or output
1002 * (as in ir_variable::patch). 0 otherwise.
1007 * Precision qualifier
1009 unsigned precision
:2;
1012 * Memory qualifiers, applicable to buffer variables defined in shader
1013 * storage buffer objects (SSBOs)
1015 unsigned memory_read_only
:1;
1016 unsigned memory_write_only
:1;
1017 unsigned memory_coherent
:1;
1018 unsigned memory_volatile
:1;
1019 unsigned memory_restrict
:1;
1022 * Layout format, applicable to image variables only.
1024 unsigned image_format
:16;
1027 * Any of the xfb_* qualifiers trigger the shader to be in transform
1028 * feedback mode so we need to keep track of whether the buffer was
1029 * explicitly set or if its just been assigned the default global value.
1031 unsigned explicit_xfb_buffer
:1;
1033 unsigned implicit_sized_array
:1;
1035 glsl_struct_field(const struct glsl_type
*_type
, const char *_name
)
1036 : type(_type
), name(_name
), location(-1), offset(0), xfb_buffer(0),
1037 xfb_stride(0), interpolation(0), centroid(0),
1038 sample(0), matrix_layout(GLSL_MATRIX_LAYOUT_INHERITED
), patch(0),
1039 precision(GLSL_PRECISION_NONE
), memory_read_only(0),
1040 memory_write_only(0), memory_coherent(0), memory_volatile(0),
1041 memory_restrict(0), image_format(0), explicit_xfb_buffer(0),
1042 implicit_sized_array(0)
1048 : type(NULL
), name(NULL
), location(0), offset(0), xfb_buffer(0),
1049 xfb_stride(0), interpolation(0), centroid(0),
1050 sample(0), matrix_layout(0), patch(0),
1051 precision(0), memory_read_only(0),
1052 memory_write_only(0), memory_coherent(0), memory_volatile(0),
1053 memory_restrict(0), image_format(0), explicit_xfb_buffer(0),
1054 implicit_sized_array(0)
1061 struct glsl_function_param
{
1062 const struct glsl_type
*type
;
1068 static inline unsigned int
1069 glsl_align(unsigned int a
, unsigned int align
)
1071 return (a
+ align
- 1) / align
* align
;
1074 #endif /* GLSL_TYPES_H */