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.
75 GLSL_TYPE_ATOMIC_UINT
,
85 static inline bool glsl_base_type_is_64bit(enum glsl_base_type type
)
87 return type
== GLSL_TYPE_DOUBLE
||
88 type
== GLSL_TYPE_UINT64
||
89 type
== GLSL_TYPE_INT64
||
90 type
== GLSL_TYPE_IMAGE
||
91 type
== GLSL_TYPE_SAMPLER
;
94 static inline bool glsl_base_type_is_integer(enum glsl_base_type type
)
96 return type
== GLSL_TYPE_UINT
||
97 type
== GLSL_TYPE_INT
||
98 type
== GLSL_TYPE_UINT64
||
99 type
== GLSL_TYPE_INT64
||
100 type
== GLSL_TYPE_BOOL
||
101 type
== GLSL_TYPE_SAMPLER
||
102 type
== GLSL_TYPE_IMAGE
;
105 enum glsl_sampler_dim
{
106 GLSL_SAMPLER_DIM_1D
= 0,
109 GLSL_SAMPLER_DIM_CUBE
,
110 GLSL_SAMPLER_DIM_RECT
,
111 GLSL_SAMPLER_DIM_BUF
,
112 GLSL_SAMPLER_DIM_EXTERNAL
,
114 GLSL_SAMPLER_DIM_SUBPASS
, /* for vulkan input attachments */
115 GLSL_SAMPLER_DIM_SUBPASS_MS
, /* for multisampled vulkan input attachments */
118 enum glsl_matrix_layout
{
120 * The layout of the matrix is inherited from the object containing the
121 * matrix (the top level structure or the uniform block).
123 GLSL_MATRIX_LAYOUT_INHERITED
,
126 * Explicit column-major layout
128 * If a uniform block doesn't have an explicit layout set, it will default
131 GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
,
136 GLSL_MATRIX_LAYOUT_ROW_MAJOR
140 GLSL_PRECISION_NONE
= 0,
142 GLSL_PRECISION_MEDIUM
,
148 #include "util/ralloc.h"
149 #include "main/mtypes.h" /* for gl_texture_index, C++'s enum rules are broken */
153 glsl_base_type base_type
:8;
155 glsl_base_type sampled_type
:8; /**< Type of data returned using this
156 * sampler or image. Only \c
157 * GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,
158 * and \c GLSL_TYPE_UINT are valid.
161 unsigned sampler_dimensionality
:4; /**< \see glsl_sampler_dim */
162 unsigned sampler_shadow
:1;
163 unsigned sampler_array
:1;
164 unsigned interface_packing
:2;
165 unsigned interface_row_major
:1;
168 glsl_type() : mem_ctx(NULL
)
170 // Dummy constructor, just for the sake of ASSERT_BITFIELD_SIZE.
175 * \name Vector and matrix element counts
177 * For scalars, each of these values will be 1. For non-numeric types
181 uint8_t vector_elements
; /**< 1, 2, 3, or 4 vector elements. */
182 uint8_t matrix_columns
; /**< 1, 2, 3, or 4 matrix columns. */
186 * For \c GLSL_TYPE_ARRAY, this is the length of the array. For
187 * \c GLSL_TYPE_STRUCT or \c GLSL_TYPE_INTERFACE, it is the number of
188 * elements in the structure and the number of values pointed to by
189 * \c fields.structure (below).
194 * Name of the data type
196 * Will never be \c NULL.
201 * Subtype of composite data types.
204 const struct glsl_type
*array
; /**< Type of array elements. */
205 struct glsl_function_param
*parameters
; /**< Parameters to function. */
206 struct glsl_struct_field
*structure
; /**< List of struct fields. */
210 * \name Pointers to various public type singletons
214 #define DECL_TYPE(NAME, ...) \
215 static const glsl_type *const NAME##_type;
217 #define STRUCT_TYPE(NAME) \
218 static const glsl_type *const struct_##NAME##_type;
219 #include "compiler/builtin_type_macros.h"
223 * Convenience accessors for vector types (shorter than get_instance()).
226 static const glsl_type
*vec(unsigned components
, const glsl_type
*const ts
[]);
227 static const glsl_type
*vec(unsigned components
);
228 static const glsl_type
*f16vec(unsigned components
);
229 static const glsl_type
*dvec(unsigned components
);
230 static const glsl_type
*ivec(unsigned components
);
231 static const glsl_type
*uvec(unsigned components
);
232 static const glsl_type
*bvec(unsigned components
);
233 static const glsl_type
*i64vec(unsigned components
);
234 static const glsl_type
*u64vec(unsigned components
);
235 static const glsl_type
*i16vec(unsigned components
);
236 static const glsl_type
*u16vec(unsigned components
);
237 static const glsl_type
*i8vec(unsigned components
);
238 static const glsl_type
*u8vec(unsigned components
);
242 * For numeric and boolean derived types returns the basic scalar type
244 * If the type is a numeric or boolean scalar, vector, or matrix type,
245 * this function gets the scalar type of the individual components. For
246 * all other types, including arrays of numeric or boolean types, the
247 * error type is returned.
249 const glsl_type
*get_base_type() const;
252 * Get the basic scalar type which this type aggregates.
254 * If the type is a numeric or boolean scalar, vector, or matrix, or an
255 * array of any of those, this function gets the scalar type of the
256 * individual components. For structs and arrays of structs, this function
257 * returns the struct type. For samplers and arrays of samplers, this
258 * function returns the sampler type.
260 const glsl_type
*get_scalar_type() const;
263 * Get the instance of a built-in scalar, vector, or matrix type
265 static const glsl_type
*get_instance(unsigned base_type
, unsigned rows
,
269 * Get the instance of a sampler type
271 static const glsl_type
*get_sampler_instance(enum glsl_sampler_dim dim
,
274 glsl_base_type type
);
276 static const glsl_type
*get_image_instance(enum glsl_sampler_dim dim
,
277 bool array
, glsl_base_type type
);
280 * Get the instance of an array type
282 static const glsl_type
*get_array_instance(const glsl_type
*base
,
286 * Get the instance of a record type
288 static const glsl_type
*get_record_instance(const glsl_struct_field
*fields
,
293 * Get the instance of an interface block type
295 static const glsl_type
*get_interface_instance(const glsl_struct_field
*fields
,
297 enum glsl_interface_packing packing
,
299 const char *block_name
);
302 * Get the instance of an subroutine type
304 static const glsl_type
*get_subroutine_instance(const char *subroutine_name
);
307 * Get the instance of a function type
309 static const glsl_type
*get_function_instance(const struct glsl_type
*return_type
,
310 const glsl_function_param
*parameters
,
311 unsigned num_params
);
314 * Get the type resulting from a multiplication of \p type_a * \p type_b
316 static const glsl_type
*get_mul_type(const glsl_type
*type_a
,
317 const glsl_type
*type_b
);
320 * Query the total number of scalars that make up a scalar, vector or matrix
322 unsigned components() const
324 return vector_elements
* matrix_columns
;
328 * Calculate the number of components slots required to hold this type
330 * This is used to determine how many uniform or varying locations a type
333 unsigned component_slots() const;
336 * Calculate offset between the base location of the struct in
337 * uniform storage and a struct member.
338 * For the initial call, length is the index of the member to find the
341 unsigned record_location_offset(unsigned length
) const;
344 * Calculate the number of unique values from glGetUniformLocation for the
345 * elements of the type.
347 * This is used to allocate slots in the UniformRemapTable, the amount of
348 * locations may not match with actual used storage space by the driver.
350 unsigned uniform_locations() const;
353 * Used to count the number of varyings contained in the type ignoring
354 * innermost array elements.
356 unsigned varying_count() const;
359 * Calculate the number of attribute slots required to hold this type
361 * This implements the language rules of GLSL 1.50 for counting the number
362 * of slots used by a vertex attribute. It also determines the number of
363 * varying slots the type will use up in the absence of varying packing
364 * (and thus, it can be used to measure the number of varying slots used by
365 * the varyings that are generated by lower_packed_varyings).
367 * For vertex shader attributes - doubles only take one slot.
368 * For inter-shader varyings - dvec3/dvec4 take two slots.
370 unsigned count_attribute_slots(bool is_vertex_input
) const;
373 * Alignment in bytes of the start of this type in a std140 uniform
376 unsigned std140_base_alignment(bool row_major
) const;
378 /** Size in bytes of this type in a std140 uniform block.
380 * Note that this is not GL_UNIFORM_SIZE (which is the number of
381 * elements in the array)
383 unsigned std140_size(bool row_major
) const;
386 * Alignment in bytes of the start of this type in a std430 shader
389 unsigned std430_base_alignment(bool row_major
) const;
392 * Calculate array stride in bytes of this type in a std430 shader storage
395 unsigned std430_array_stride(bool row_major
) const;
398 * Size in bytes of this type in a std430 shader storage block.
400 * Note that this is not GL_BUFFER_SIZE
402 unsigned std430_size(bool row_major
) const;
405 * \brief Can this type be implicitly converted to another?
407 * \return True if the types are identical or if this type can be converted
408 * to \c desired according to Section 4.1.10 of the GLSL spec.
411 * From page 25 (31 of the pdf) of the GLSL 1.50 spec, Section 4.1.10
412 * Implicit Conversions:
414 * In some situations, an expression and its type will be implicitly
415 * converted to a different type. The following table shows all allowed
416 * implicit conversions:
418 * Type of expression | Can be implicitly converted to
419 * --------------------------------------------------
432 * There are no implicit array or structure conversions. For example,
433 * an array of int cannot be implicitly converted to an array of float.
434 * There are no implicit conversions between signed and unsigned
438 bool can_implicitly_convert_to(const glsl_type
*desired
,
439 _mesa_glsl_parse_state
*state
) const;
442 * Query whether or not a type is a scalar (non-vector and non-matrix).
444 bool is_scalar() const
446 return (vector_elements
== 1)
447 && (base_type
>= GLSL_TYPE_UINT
)
448 && (base_type
<= GLSL_TYPE_IMAGE
);
452 * Query whether or not a type is a vector
454 bool is_vector() const
456 return (vector_elements
> 1)
457 && (matrix_columns
== 1)
458 && (base_type
>= GLSL_TYPE_UINT
)
459 && (base_type
<= GLSL_TYPE_BOOL
);
463 * Query whether or not a type is a matrix
465 bool is_matrix() const
467 /* GLSL only has float matrices. */
468 return (matrix_columns
> 1) && (base_type
== GLSL_TYPE_FLOAT
||
469 base_type
== GLSL_TYPE_DOUBLE
||
470 base_type
== GLSL_TYPE_FLOAT16
);
474 * Query whether or not a type is a non-array numeric type
476 bool is_numeric() const
478 return (base_type
>= GLSL_TYPE_UINT
) && (base_type
<= GLSL_TYPE_INT64
);
482 * Query whether or not a type is an integral type
484 bool is_integer() const
486 return (base_type
== GLSL_TYPE_UINT
) || (base_type
== GLSL_TYPE_INT
);
490 * Query whether or not a type is a 64-bit integer.
492 bool is_integer_64() const
494 return base_type
== GLSL_TYPE_UINT64
|| base_type
== GLSL_TYPE_INT64
;
498 * Query whether or not a type is a 32-bit or 64-bit integer
500 bool is_integer_32_64() const
502 return is_integer() || is_integer_64();
506 * Query whether or not type is an integral type, or for struct and array
507 * types, contains an integral type.
509 bool contains_integer() const;
512 * Query whether or not type is a double type, or for struct, interface and
513 * array types, contains a double type.
515 bool contains_double() const;
518 * Query whether or not a type is a float type
520 bool is_float() const
522 return base_type
== GLSL_TYPE_FLOAT
;
526 * Query whether or not a type is a double type
528 bool is_double() const
530 return base_type
== GLSL_TYPE_DOUBLE
;
534 * Query whether a 64-bit type takes two slots.
536 bool is_dual_slot() const
538 return is_64bit() && vector_elements
> 2;
542 * Query whether or not a type is 64-bit
544 bool is_64bit() const
546 return glsl_base_type_is_64bit(base_type
);
550 * Query whether or not a type is a non-array boolean type
552 bool is_boolean() const
554 return base_type
== GLSL_TYPE_BOOL
;
558 * Query whether or not a type is a sampler
560 bool is_sampler() const
562 return base_type
== GLSL_TYPE_SAMPLER
;
566 * Query whether or not type is a sampler, or for struct, interface and
567 * array types, contains a sampler.
569 bool contains_sampler() const;
572 * Query whether or not type is an array or for struct, interface and
573 * array types, contains an array.
575 bool contains_array() const;
578 * Get the Mesa texture target index for a sampler type.
580 gl_texture_index
sampler_index() const;
583 * Query whether or not type is an image, or for struct, interface and
584 * array types, contains an image.
586 bool contains_image() const;
589 * Query whether or not a type is an image
591 bool is_image() const
593 return base_type
== GLSL_TYPE_IMAGE
;
597 * Query whether or not a type is an array
599 bool is_array() const
601 return base_type
== GLSL_TYPE_ARRAY
;
604 bool is_array_of_arrays() const
606 return is_array() && fields
.array
->is_array();
610 * Query whether or not a type is a record
612 bool is_record() const
614 return base_type
== GLSL_TYPE_STRUCT
;
618 * Query whether or not a type is an interface
620 bool is_interface() const
622 return base_type
== GLSL_TYPE_INTERFACE
;
626 * Query whether or not a type is the void type singleton.
630 return base_type
== GLSL_TYPE_VOID
;
634 * Query whether or not a type is the error type singleton.
636 bool is_error() const
638 return base_type
== GLSL_TYPE_ERROR
;
642 * Query if a type is unnamed/anonymous (named by the parser)
645 bool is_subroutine() const
647 return base_type
== GLSL_TYPE_SUBROUTINE
;
649 bool contains_subroutine() const;
651 bool is_anonymous() const
653 return !strncmp(name
, "#anon", 5);
657 * Get the type stripped of any arrays
660 * Pointer to the type of elements of the first non-array type for array
661 * types, or pointer to itself for non-array types.
663 const glsl_type
*without_array() const
665 const glsl_type
*t
= this;
667 while (t
->is_array())
674 * Return the total number of elements in an array including the elements
675 * in arrays of arrays.
677 unsigned arrays_of_arrays_size() const
682 unsigned size
= length
;
683 const glsl_type
*base_type
= fields
.array
;
685 while (base_type
->is_array()) {
686 size
= size
* base_type
->length
;
687 base_type
= base_type
->fields
.array
;
693 * Query whether or not a type is an atomic_uint.
695 bool is_atomic_uint() const
697 return base_type
== GLSL_TYPE_ATOMIC_UINT
;
701 * Return the amount of atomic counter storage required for a type.
703 unsigned atomic_size() const
705 if (is_atomic_uint())
706 return ATOMIC_COUNTER_SIZE
;
708 return length
* fields
.array
->atomic_size();
714 * Return whether a type contains any atomic counters.
716 bool contains_atomic() const
718 return atomic_size() > 0;
722 * Return whether a type contains any opaque types.
724 bool contains_opaque() const;
727 * Query the full type of a matrix row
730 * If the type is not a matrix, \c glsl_type::error_type is returned.
731 * Otherwise a type matching the rows of the matrix is returned.
733 const glsl_type
*row_type() const
736 ? get_instance(base_type
, matrix_columns
, 1)
741 * Query the full type of a matrix column
744 * If the type is not a matrix, \c glsl_type::error_type is returned.
745 * Otherwise a type matching the columns of the matrix is returned.
747 const glsl_type
*column_type() const
750 ? get_instance(base_type
, vector_elements
, 1)
755 * Get the type of a structure field
758 * Pointer to the type of the named field. If the type is not a structure
759 * or the named field does not exist, \c glsl_type::error_type is returned.
761 const glsl_type
*field_type(const char *name
) const;
764 * Get the location of a field within a record type
766 int field_index(const char *name
) const;
769 * Query the number of elements in an array type
772 * The number of elements in the array for array types or -1 for non-array
773 * types. If the number of elements in the array has not yet been declared,
776 int array_size() const
778 return is_array() ? length
: -1;
782 * Query whether the array size for all dimensions has been declared.
784 bool is_unsized_array() const
786 return is_array() && length
== 0;
790 * Return the number of coordinate components needed for this
791 * sampler or image type.
793 * This is based purely on the sampler's dimensionality. For example, this
794 * returns 1 for sampler1D, and 3 for sampler2DArray.
796 * Note that this is often different than actual coordinate type used in
797 * a texturing built-in function, since those pack additional values (such
798 * as the shadow comparator or projector) into the coordinate type.
800 int coordinate_components() const;
803 * Compare a record type against another record type.
805 * This is useful for matching record types declared across shader stages.
806 * The option to not match locations is to deal with places where the
807 * same struct is defined in a block which has a location set on it.
809 bool record_compare(const glsl_type
*b
, bool match_locations
= true) const;
812 * Get the type interface packing.
814 enum glsl_interface_packing
get_interface_packing() const
816 return (enum glsl_interface_packing
)interface_packing
;
820 * Get the type interface packing used internally. For shared and packing
821 * layouts this is implementation defined.
823 enum glsl_interface_packing
get_internal_ifc_packing(bool std430_supported
) const
825 enum glsl_interface_packing packing
= this->get_interface_packing();
826 if (packing
== GLSL_INTERFACE_PACKING_STD140
||
827 (!std430_supported
&&
828 (packing
== GLSL_INTERFACE_PACKING_SHARED
||
829 packing
== GLSL_INTERFACE_PACKING_PACKED
))) {
830 return GLSL_INTERFACE_PACKING_STD140
;
832 assert(packing
== GLSL_INTERFACE_PACKING_STD430
||
834 (packing
== GLSL_INTERFACE_PACKING_SHARED
||
835 packing
== GLSL_INTERFACE_PACKING_PACKED
)));
836 return GLSL_INTERFACE_PACKING_STD430
;
841 * Check if the type interface is row major
843 bool get_interface_row_major() const
845 return (bool) interface_row_major
;
852 static mtx_t hash_mutex
;
855 * ralloc context for the type itself.
859 /** Constructor for vector and matrix types */
860 glsl_type(GLenum gl_type
,
861 glsl_base_type base_type
, unsigned vector_elements
,
862 unsigned matrix_columns
, const char *name
);
864 /** Constructor for sampler or image types */
865 glsl_type(GLenum gl_type
, glsl_base_type base_type
,
866 enum glsl_sampler_dim dim
, bool shadow
, bool array
,
867 glsl_base_type type
, const char *name
);
869 /** Constructor for record types */
870 glsl_type(const glsl_struct_field
*fields
, unsigned num_fields
,
873 /** Constructor for interface types */
874 glsl_type(const glsl_struct_field
*fields
, unsigned num_fields
,
875 enum glsl_interface_packing packing
,
876 bool row_major
, const char *name
);
878 /** Constructor for interface types */
879 glsl_type(const glsl_type
*return_type
,
880 const glsl_function_param
*params
, unsigned num_params
);
882 /** Constructor for array types */
883 glsl_type(const glsl_type
*array
, unsigned length
);
885 /** Constructor for subroutine types */
886 glsl_type(const char *name
);
888 /** Hash table containing the known array types. */
889 static struct hash_table
*array_types
;
891 /** Hash table containing the known record types. */
892 static struct hash_table
*record_types
;
894 /** Hash table containing the known interface types. */
895 static struct hash_table
*interface_types
;
897 /** Hash table containing the known subroutine types. */
898 static struct hash_table
*subroutine_types
;
900 /** Hash table containing the known function types. */
901 static struct hash_table
*function_types
;
903 static bool record_key_compare(const void *a
, const void *b
);
904 static unsigned record_key_hash(const void *key
);
907 * \name Built-in type flyweights
911 #define DECL_TYPE(NAME, ...) static const glsl_type _##NAME##_type;
913 #define STRUCT_TYPE(NAME) static const glsl_type _struct_##NAME##_type;
914 #include "compiler/builtin_type_macros.h"
918 * \name Friend functions.
920 * These functions are friends because they must have C linkage and the
921 * need to call various private methods or access various private static
925 friend void _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state
*);
926 friend void _mesa_glsl_release_types(void);
932 #endif /* __cplusplus */
934 struct glsl_struct_field
{
935 const struct glsl_type
*type
;
939 * For interface blocks, gl_varying_slot corresponding to the input/output
940 * if this is a built-in input/output (i.e. a member of the built-in
941 * gl_PerVertex interface block); -1 otherwise.
943 * Ignored for structs.
948 * For interface blocks, members may have an explicit byte offset
949 * specified; -1 otherwise. Also used for xfb_offset layout qualifier.
951 * Unless used for xfb_offset this field is ignored for structs.
956 * For interface blocks, members may define a transform feedback buffer;
962 * For interface blocks, members may define a transform feedback stride;
968 * For interface blocks, the interpolation mode (as in
969 * ir_variable::interpolation). 0 otherwise.
971 unsigned interpolation
:2;
974 * For interface blocks, 1 if this variable uses centroid interpolation (as
975 * in ir_variable::centroid). 0 otherwise.
980 * For interface blocks, 1 if this variable uses sample interpolation (as
981 * in ir_variable::sample). 0 otherwise.
986 * Layout of the matrix. Uses glsl_matrix_layout values.
988 unsigned matrix_layout
:2;
991 * For interface blocks, 1 if this variable is a per-patch input or output
992 * (as in ir_variable::patch). 0 otherwise.
997 * Precision qualifier
999 unsigned precision
:2;
1002 * Memory qualifiers, applicable to buffer variables defined in shader
1003 * storage buffer objects (SSBOs)
1005 unsigned memory_read_only
:1;
1006 unsigned memory_write_only
:1;
1007 unsigned memory_coherent
:1;
1008 unsigned memory_volatile
:1;
1009 unsigned memory_restrict
:1;
1012 * Layout format, applicable to image variables only.
1014 unsigned image_format
:16;
1017 * Any of the xfb_* qualifiers trigger the shader to be in transform
1018 * feedback mode so we need to keep track of whether the buffer was
1019 * explicitly set or if its just been assigned the default global value.
1021 unsigned explicit_xfb_buffer
:1;
1023 unsigned implicit_sized_array
:1;
1025 glsl_struct_field(const struct glsl_type
*_type
, const char *_name
)
1026 : type(_type
), name(_name
), location(-1), offset(0), xfb_buffer(0),
1027 xfb_stride(0), interpolation(0), centroid(0),
1028 sample(0), matrix_layout(GLSL_MATRIX_LAYOUT_INHERITED
), patch(0),
1029 precision(GLSL_PRECISION_NONE
), memory_read_only(0),
1030 memory_write_only(0), memory_coherent(0), memory_volatile(0),
1031 memory_restrict(0), image_format(0), explicit_xfb_buffer(0),
1032 implicit_sized_array(0)
1038 : type(NULL
), name(NULL
), location(0), offset(0), xfb_buffer(0),
1039 xfb_stride(0), interpolation(0), centroid(0),
1040 sample(0), matrix_layout(0), patch(0),
1041 precision(0), memory_read_only(0),
1042 memory_write_only(0), memory_coherent(0), memory_volatile(0),
1043 memory_restrict(0), image_format(0), explicit_xfb_buffer(0),
1044 implicit_sized_array(0)
1051 struct glsl_function_param
{
1052 const struct glsl_type
*type
;
1058 static inline unsigned int
1059 glsl_align(unsigned int a
, unsigned int align
)
1061 return (a
+ align
- 1) / align
* align
;
1064 #endif /* GLSL_TYPES_H */