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.
73 GLSL_TYPE_ATOMIC_UINT
,
83 static inline bool glsl_base_type_is_64bit(enum glsl_base_type type
)
85 return type
== GLSL_TYPE_DOUBLE
||
86 type
== GLSL_TYPE_UINT64
||
87 type
== GLSL_TYPE_INT64
||
88 type
== GLSL_TYPE_IMAGE
||
89 type
== GLSL_TYPE_SAMPLER
;
92 static inline bool glsl_base_type_is_integer(enum glsl_base_type type
)
94 return type
== GLSL_TYPE_UINT
||
95 type
== GLSL_TYPE_INT
||
96 type
== GLSL_TYPE_UINT64
||
97 type
== GLSL_TYPE_INT64
||
98 type
== GLSL_TYPE_BOOL
||
99 type
== GLSL_TYPE_SAMPLER
||
100 type
== GLSL_TYPE_IMAGE
;
103 enum glsl_sampler_dim
{
104 GLSL_SAMPLER_DIM_1D
= 0,
107 GLSL_SAMPLER_DIM_CUBE
,
108 GLSL_SAMPLER_DIM_RECT
,
109 GLSL_SAMPLER_DIM_BUF
,
110 GLSL_SAMPLER_DIM_EXTERNAL
,
112 GLSL_SAMPLER_DIM_SUBPASS
, /* for vulkan input attachments */
113 GLSL_SAMPLER_DIM_SUBPASS_MS
, /* for multisampled vulkan input attachments */
116 enum glsl_matrix_layout
{
118 * The layout of the matrix is inherited from the object containing the
119 * matrix (the top level structure or the uniform block).
121 GLSL_MATRIX_LAYOUT_INHERITED
,
124 * Explicit column-major layout
126 * If a uniform block doesn't have an explicit layout set, it will default
129 GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
,
134 GLSL_MATRIX_LAYOUT_ROW_MAJOR
138 GLSL_PRECISION_NONE
= 0,
140 GLSL_PRECISION_MEDIUM
,
146 #include "util/ralloc.h"
147 #include "main/mtypes.h" /* for gl_texture_index, C++'s enum rules are broken */
151 glsl_base_type base_type
:8;
153 glsl_base_type sampled_type
:8; /**< 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.
159 unsigned sampler_dimensionality
:4; /**< \see glsl_sampler_dim */
160 unsigned sampler_shadow
:1;
161 unsigned sampler_array
:1;
162 unsigned interface_packing
:2;
163 unsigned interface_row_major
:1;
166 glsl_type() : mem_ctx(NULL
)
168 // Dummy constructor, just for the sake of ASSERT_BITFIELD_SIZE.
173 * \name Vector and matrix element counts
175 * For scalars, each of these values will be 1. For non-numeric types
179 uint8_t vector_elements
; /**< 1, 2, 3, or 4 vector elements. */
180 uint8_t matrix_columns
; /**< 1, 2, 3, or 4 matrix columns. */
184 * For \c GLSL_TYPE_ARRAY, this is the length of the array. For
185 * \c GLSL_TYPE_STRUCT or \c GLSL_TYPE_INTERFACE, it is the number of
186 * elements in the structure and the number of values pointed to by
187 * \c fields.structure (below).
192 * Name of the data type
194 * Will never be \c NULL.
199 * Subtype of composite data types.
202 const struct glsl_type
*array
; /**< Type of array elements. */
203 struct glsl_function_param
*parameters
; /**< Parameters to function. */
204 struct glsl_struct_field
*structure
; /**< List of struct fields. */
208 * \name Pointers to various public type singletons
212 #define DECL_TYPE(NAME, ...) \
213 static const glsl_type *const NAME##_type;
215 #define STRUCT_TYPE(NAME) \
216 static const glsl_type *const struct_##NAME##_type;
217 #include "compiler/builtin_type_macros.h"
221 * Convenience accessors for vector types (shorter than get_instance()).
224 static const glsl_type
*vec(unsigned components
);
225 static const glsl_type
*f16vec(unsigned components
);
226 static const glsl_type
*dvec(unsigned components
);
227 static const glsl_type
*ivec(unsigned components
);
228 static const glsl_type
*uvec(unsigned components
);
229 static const glsl_type
*bvec(unsigned components
);
230 static const glsl_type
*i64vec(unsigned components
);
231 static const glsl_type
*u64vec(unsigned components
);
232 static const glsl_type
*i16vec(unsigned components
);
233 static const glsl_type
*u16vec(unsigned components
);
237 * For numeric and boolean derived types returns the basic scalar type
239 * If the type is a numeric or boolean scalar, vector, or matrix type,
240 * this function gets the scalar type of the individual components. For
241 * all other types, including arrays of numeric or boolean types, the
242 * error type is returned.
244 const glsl_type
*get_base_type() const;
247 * Get the basic scalar type which this type aggregates.
249 * If the type is a numeric or boolean scalar, vector, or matrix, or an
250 * array of any of those, this function gets the scalar type of the
251 * individual components. For structs and arrays of structs, this function
252 * returns the struct type. For samplers and arrays of samplers, this
253 * function returns the sampler type.
255 const glsl_type
*get_scalar_type() const;
258 * Get the instance of a built-in scalar, vector, or matrix type
260 static const glsl_type
*get_instance(unsigned base_type
, unsigned rows
,
264 * Get the instance of a sampler type
266 static const glsl_type
*get_sampler_instance(enum glsl_sampler_dim dim
,
269 glsl_base_type type
);
271 static const glsl_type
*get_image_instance(enum glsl_sampler_dim dim
,
272 bool array
, glsl_base_type type
);
275 * Get the instance of an array type
277 static const glsl_type
*get_array_instance(const glsl_type
*base
,
281 * Get the instance of a record type
283 static const glsl_type
*get_record_instance(const glsl_struct_field
*fields
,
288 * Get the instance of an interface block type
290 static const glsl_type
*get_interface_instance(const glsl_struct_field
*fields
,
292 enum glsl_interface_packing packing
,
294 const char *block_name
);
297 * Get the instance of an subroutine type
299 static const glsl_type
*get_subroutine_instance(const char *subroutine_name
);
302 * Get the instance of a function type
304 static const glsl_type
*get_function_instance(const struct glsl_type
*return_type
,
305 const glsl_function_param
*parameters
,
306 unsigned num_params
);
309 * Get the type resulting from a multiplication of \p type_a * \p type_b
311 static const glsl_type
*get_mul_type(const glsl_type
*type_a
,
312 const glsl_type
*type_b
);
315 * Query the total number of scalars that make up a scalar, vector or matrix
317 unsigned components() const
319 return vector_elements
* matrix_columns
;
323 * Calculate the number of components slots required to hold this type
325 * This is used to determine how many uniform or varying locations a type
328 unsigned component_slots() const;
331 * Calculate offset between the base location of the struct in
332 * uniform storage and a struct member.
333 * For the initial call, length is the index of the member to find the
336 unsigned record_location_offset(unsigned length
) const;
339 * Calculate the number of unique values from glGetUniformLocation for the
340 * elements of the type.
342 * This is used to allocate slots in the UniformRemapTable, the amount of
343 * locations may not match with actual used storage space by the driver.
345 unsigned uniform_locations() const;
348 * Used to count the number of varyings contained in the type ignoring
349 * innermost array elements.
351 unsigned varying_count() const;
354 * Calculate the number of attribute slots required to hold this type
356 * This implements the language rules of GLSL 1.50 for counting the number
357 * of slots used by a vertex attribute. It also determines the number of
358 * varying slots the type will use up in the absence of varying packing
359 * (and thus, it can be used to measure the number of varying slots used by
360 * the varyings that are generated by lower_packed_varyings).
362 * For vertex shader attributes - doubles only take one slot.
363 * For inter-shader varyings - dvec3/dvec4 take two slots.
365 unsigned count_attribute_slots(bool is_vertex_input
) const;
368 * Alignment in bytes of the start of this type in a std140 uniform
371 unsigned std140_base_alignment(bool row_major
) const;
373 /** Size in bytes of this type in a std140 uniform block.
375 * Note that this is not GL_UNIFORM_SIZE (which is the number of
376 * elements in the array)
378 unsigned std140_size(bool row_major
) const;
381 * Alignment in bytes of the start of this type in a std430 shader
384 unsigned std430_base_alignment(bool row_major
) const;
387 * Calculate array stride in bytes of this type in a std430 shader storage
390 unsigned std430_array_stride(bool row_major
) const;
393 * Size in bytes of this type in a std430 shader storage block.
395 * Note that this is not GL_BUFFER_SIZE
397 unsigned std430_size(bool row_major
) const;
400 * \brief Can this type be implicitly converted to another?
402 * \return True if the types are identical or if this type can be converted
403 * to \c desired according to Section 4.1.10 of the GLSL spec.
406 * From page 25 (31 of the pdf) of the GLSL 1.50 spec, Section 4.1.10
407 * Implicit Conversions:
409 * In some situations, an expression and its type will be implicitly
410 * converted to a different type. The following table shows all allowed
411 * implicit conversions:
413 * Type of expression | Can be implicitly converted to
414 * --------------------------------------------------
427 * There are no implicit array or structure conversions. For example,
428 * an array of int cannot be implicitly converted to an array of float.
429 * There are no implicit conversions between signed and unsigned
433 bool can_implicitly_convert_to(const glsl_type
*desired
,
434 _mesa_glsl_parse_state
*state
) const;
437 * Query whether or not a type is a scalar (non-vector and non-matrix).
439 bool is_scalar() const
441 return (vector_elements
== 1)
442 && (base_type
>= GLSL_TYPE_UINT
)
443 && (base_type
<= GLSL_TYPE_IMAGE
);
447 * Query whether or not a type is a vector
449 bool is_vector() const
451 return (vector_elements
> 1)
452 && (matrix_columns
== 1)
453 && (base_type
>= GLSL_TYPE_UINT
)
454 && (base_type
<= GLSL_TYPE_BOOL
);
458 * Query whether or not a type is a matrix
460 bool is_matrix() const
462 /* GLSL only has float matrices. */
463 return (matrix_columns
> 1) && (base_type
== GLSL_TYPE_FLOAT
||
464 base_type
== GLSL_TYPE_DOUBLE
||
465 base_type
== GLSL_TYPE_FLOAT16
);
469 * Query whether or not a type is a non-array numeric type
471 bool is_numeric() const
473 return (base_type
>= GLSL_TYPE_UINT
) && (base_type
<= GLSL_TYPE_INT64
);
477 * Query whether or not a type is an integral type
479 bool is_integer() const
481 return (base_type
== GLSL_TYPE_UINT
) || (base_type
== GLSL_TYPE_INT
);
485 * Query whether or not a type is a 64-bit integer.
487 bool is_integer_64() const
489 return base_type
== GLSL_TYPE_UINT64
|| base_type
== GLSL_TYPE_INT64
;
493 * Query whether or not a type is a 32-bit or 64-bit integer
495 bool is_integer_32_64() const
497 return is_integer() || is_integer_64();
501 * Query whether or not type is an integral type, or for struct and array
502 * types, contains an integral type.
504 bool contains_integer() const;
507 * Query whether or not type is a double type, or for struct, interface and
508 * array types, contains a double type.
510 bool contains_double() const;
513 * Query whether or not a type is a float type
515 bool is_float() const
517 return base_type
== GLSL_TYPE_FLOAT
;
521 * Query whether or not a type is a double type
523 bool is_double() const
525 return base_type
== GLSL_TYPE_DOUBLE
;
529 * Query whether a 64-bit type takes two slots.
531 bool is_dual_slot() const
533 return is_64bit() && vector_elements
> 2;
537 * Query whether or not a type is 64-bit
539 bool is_64bit() const
541 return glsl_base_type_is_64bit(base_type
);
545 * Query whether or not a type is a non-array boolean type
547 bool is_boolean() const
549 return base_type
== GLSL_TYPE_BOOL
;
553 * Query whether or not a type is a sampler
555 bool is_sampler() const
557 return base_type
== GLSL_TYPE_SAMPLER
;
561 * Query whether or not type is a sampler, or for struct, interface and
562 * array types, contains a sampler.
564 bool contains_sampler() const;
567 * Query whether or not type is an array or for struct, interface and
568 * array types, contains an array.
570 bool contains_array() const;
573 * Get the Mesa texture target index for a sampler type.
575 gl_texture_index
sampler_index() const;
578 * Query whether or not type is an image, or for struct, interface and
579 * array types, contains an image.
581 bool contains_image() const;
584 * Query whether or not a type is an image
586 bool is_image() const
588 return base_type
== GLSL_TYPE_IMAGE
;
592 * Query whether or not a type is an array
594 bool is_array() const
596 return base_type
== GLSL_TYPE_ARRAY
;
599 bool is_array_of_arrays() const
601 return is_array() && fields
.array
->is_array();
605 * Query whether or not a type is a record
607 bool is_record() const
609 return base_type
== GLSL_TYPE_STRUCT
;
613 * Query whether or not a type is an interface
615 bool is_interface() const
617 return base_type
== GLSL_TYPE_INTERFACE
;
621 * Query whether or not a type is the void type singleton.
625 return base_type
== GLSL_TYPE_VOID
;
629 * Query whether or not a type is the error type singleton.
631 bool is_error() const
633 return base_type
== GLSL_TYPE_ERROR
;
637 * Query if a type is unnamed/anonymous (named by the parser)
640 bool is_subroutine() const
642 return base_type
== GLSL_TYPE_SUBROUTINE
;
644 bool contains_subroutine() const;
646 bool is_anonymous() const
648 return !strncmp(name
, "#anon", 5);
652 * Get the type stripped of any arrays
655 * Pointer to the type of elements of the first non-array type for array
656 * types, or pointer to itself for non-array types.
658 const glsl_type
*without_array() const
660 const glsl_type
*t
= this;
662 while (t
->is_array())
669 * Return the total number of elements in an array including the elements
670 * in arrays of arrays.
672 unsigned arrays_of_arrays_size() const
677 unsigned size
= length
;
678 const glsl_type
*base_type
= fields
.array
;
680 while (base_type
->is_array()) {
681 size
= size
* base_type
->length
;
682 base_type
= base_type
->fields
.array
;
688 * Query whether or not a type is an atomic_uint.
690 bool is_atomic_uint() const
692 return base_type
== GLSL_TYPE_ATOMIC_UINT
;
696 * Return the amount of atomic counter storage required for a type.
698 unsigned atomic_size() const
700 if (is_atomic_uint())
701 return ATOMIC_COUNTER_SIZE
;
703 return length
* fields
.array
->atomic_size();
709 * Return whether a type contains any atomic counters.
711 bool contains_atomic() const
713 return atomic_size() > 0;
717 * Return whether a type contains any opaque types.
719 bool contains_opaque() const;
722 * Query the full type of a matrix row
725 * If the type is not a matrix, \c glsl_type::error_type is returned.
726 * Otherwise a type matching the rows of the matrix is returned.
728 const glsl_type
*row_type() const
731 ? get_instance(base_type
, matrix_columns
, 1)
736 * Query the full type of a matrix column
739 * If the type is not a matrix, \c glsl_type::error_type is returned.
740 * Otherwise a type matching the columns of the matrix is returned.
742 const glsl_type
*column_type() const
745 ? get_instance(base_type
, vector_elements
, 1)
750 * Get the type of a structure field
753 * Pointer to the type of the named field. If the type is not a structure
754 * or the named field does not exist, \c glsl_type::error_type is returned.
756 const glsl_type
*field_type(const char *name
) const;
759 * Get the location of a field within a record type
761 int field_index(const char *name
) const;
764 * Query the number of elements in an array type
767 * The number of elements in the array for array types or -1 for non-array
768 * types. If the number of elements in the array has not yet been declared,
771 int array_size() const
773 return is_array() ? length
: -1;
777 * Query whether the array size for all dimensions has been declared.
779 bool is_unsized_array() const
781 return is_array() && length
== 0;
785 * Return the number of coordinate components needed for this
786 * sampler or image type.
788 * This is based purely on the sampler's dimensionality. For example, this
789 * returns 1 for sampler1D, and 3 for sampler2DArray.
791 * Note that this is often different than actual coordinate type used in
792 * a texturing built-in function, since those pack additional values (such
793 * as the shadow comparator or projector) into the coordinate type.
795 int coordinate_components() const;
798 * Compare a record type against another record type.
800 * This is useful for matching record types declared across shader stages.
801 * The option to not match locations is to deal with places where the
802 * same struct is defined in a block which has a location set on it.
804 bool record_compare(const glsl_type
*b
, bool match_locations
= true) const;
807 * Get the type interface packing.
809 enum glsl_interface_packing
get_interface_packing() const
811 return (enum glsl_interface_packing
)interface_packing
;
815 * Get the type interface packing used internally. For shared and packing
816 * layouts this is implementation defined.
818 enum glsl_interface_packing
get_internal_ifc_packing(bool std430_supported
) const
820 enum glsl_interface_packing packing
= this->get_interface_packing();
821 if (packing
== GLSL_INTERFACE_PACKING_STD140
||
822 (!std430_supported
&&
823 (packing
== GLSL_INTERFACE_PACKING_SHARED
||
824 packing
== GLSL_INTERFACE_PACKING_PACKED
))) {
825 return GLSL_INTERFACE_PACKING_STD140
;
827 assert(packing
== GLSL_INTERFACE_PACKING_STD430
||
829 (packing
== GLSL_INTERFACE_PACKING_SHARED
||
830 packing
== GLSL_INTERFACE_PACKING_PACKED
)));
831 return GLSL_INTERFACE_PACKING_STD430
;
836 * Check if the type interface is row major
838 bool get_interface_row_major() const
840 return (bool) interface_row_major
;
847 static mtx_t hash_mutex
;
850 * ralloc context for the type itself.
854 /** Constructor for vector and matrix types */
855 glsl_type(GLenum gl_type
,
856 glsl_base_type base_type
, unsigned vector_elements
,
857 unsigned matrix_columns
, const char *name
);
859 /** Constructor for sampler or image types */
860 glsl_type(GLenum gl_type
, glsl_base_type base_type
,
861 enum glsl_sampler_dim dim
, bool shadow
, bool array
,
862 glsl_base_type type
, const char *name
);
864 /** Constructor for record types */
865 glsl_type(const glsl_struct_field
*fields
, unsigned num_fields
,
868 /** Constructor for interface types */
869 glsl_type(const glsl_struct_field
*fields
, unsigned num_fields
,
870 enum glsl_interface_packing packing
,
871 bool row_major
, const char *name
);
873 /** Constructor for interface types */
874 glsl_type(const glsl_type
*return_type
,
875 const glsl_function_param
*params
, unsigned num_params
);
877 /** Constructor for array types */
878 glsl_type(const glsl_type
*array
, unsigned length
);
880 /** Constructor for subroutine types */
881 glsl_type(const char *name
);
883 /** Hash table containing the known array types. */
884 static struct hash_table
*array_types
;
886 /** Hash table containing the known record types. */
887 static struct hash_table
*record_types
;
889 /** Hash table containing the known interface types. */
890 static struct hash_table
*interface_types
;
892 /** Hash table containing the known subroutine types. */
893 static struct hash_table
*subroutine_types
;
895 /** Hash table containing the known function types. */
896 static struct hash_table
*function_types
;
898 static bool record_key_compare(const void *a
, const void *b
);
899 static unsigned record_key_hash(const void *key
);
902 * \name Built-in type flyweights
906 #define DECL_TYPE(NAME, ...) static const glsl_type _##NAME##_type;
908 #define STRUCT_TYPE(NAME) static const glsl_type _struct_##NAME##_type;
909 #include "compiler/builtin_type_macros.h"
913 * \name Friend functions.
915 * These functions are friends because they must have C linkage and the
916 * need to call various private methods or access various private static
920 friend void _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state
*);
921 friend void _mesa_glsl_release_types(void);
927 #endif /* __cplusplus */
929 struct glsl_struct_field
{
930 const struct glsl_type
*type
;
934 * For interface blocks, gl_varying_slot corresponding to the input/output
935 * if this is a built-in input/output (i.e. a member of the built-in
936 * gl_PerVertex interface block); -1 otherwise.
938 * Ignored for structs.
943 * For interface blocks, members may have an explicit byte offset
944 * specified; -1 otherwise. Also used for xfb_offset layout qualifier.
946 * Unless used for xfb_offset this field is ignored for structs.
951 * For interface blocks, members may define a transform feedback buffer;
957 * For interface blocks, members may define a transform feedback stride;
963 * For interface blocks, the interpolation mode (as in
964 * ir_variable::interpolation). 0 otherwise.
966 unsigned interpolation
:2;
969 * For interface blocks, 1 if this variable uses centroid interpolation (as
970 * in ir_variable::centroid). 0 otherwise.
975 * For interface blocks, 1 if this variable uses sample interpolation (as
976 * in ir_variable::sample). 0 otherwise.
981 * Layout of the matrix. Uses glsl_matrix_layout values.
983 unsigned matrix_layout
:2;
986 * For interface blocks, 1 if this variable is a per-patch input or output
987 * (as in ir_variable::patch). 0 otherwise.
992 * Precision qualifier
994 unsigned precision
:2;
997 * Memory qualifiers, applicable to buffer variables defined in shader
998 * storage buffer objects (SSBOs)
1000 unsigned memory_read_only
:1;
1001 unsigned memory_write_only
:1;
1002 unsigned memory_coherent
:1;
1003 unsigned memory_volatile
:1;
1004 unsigned memory_restrict
:1;
1007 * Layout format, applicable to image variables only.
1009 unsigned image_format
:16;
1012 * Any of the xfb_* qualifiers trigger the shader to be in transform
1013 * feedback mode so we need to keep track of whether the buffer was
1014 * explicitly set or if its just been assigned the default global value.
1016 unsigned explicit_xfb_buffer
:1;
1018 unsigned implicit_sized_array
:1;
1020 glsl_struct_field(const struct glsl_type
*_type
, const char *_name
)
1021 : type(_type
), name(_name
), location(-1), offset(0), xfb_buffer(0),
1022 xfb_stride(0), interpolation(0), centroid(0),
1023 sample(0), matrix_layout(GLSL_MATRIX_LAYOUT_INHERITED
), patch(0),
1024 precision(GLSL_PRECISION_NONE
), memory_read_only(0),
1025 memory_write_only(0), memory_coherent(0), memory_volatile(0),
1026 memory_restrict(0), image_format(0), explicit_xfb_buffer(0),
1027 implicit_sized_array(0)
1033 : type(NULL
), name(NULL
), location(0), offset(0), xfb_buffer(0),
1034 xfb_stride(0), interpolation(0), centroid(0),
1035 sample(0), matrix_layout(0), patch(0),
1036 precision(0), memory_read_only(0),
1037 memory_write_only(0), memory_coherent(0), memory_volatile(0),
1038 memory_restrict(0), image_format(0), explicit_xfb_buffer(0),
1039 implicit_sized_array(0)
1046 struct glsl_function_param
{
1047 const struct glsl_type
*type
;
1053 static inline unsigned int
1054 glsl_align(unsigned int a
, unsigned int align
)
1056 return (a
+ align
- 1) / align
* align
;
1059 #endif /* GLSL_TYPES_H */