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"
33 #include "c11/threads.h"
36 #include "main/config.h"
45 struct _mesa_glsl_parse_state
;
46 struct glsl_symbol_table
;
49 _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state
*state
);
52 _mesa_glsl_release_types(void);
54 void encode_type_to_blob(struct blob
*blob
, const struct glsl_type
*type
);
56 const struct glsl_type
*decode_type_from_blob(struct blob_reader
*blob
);
63 /* Note: GLSL_TYPE_UINT, GLSL_TYPE_INT, and GLSL_TYPE_FLOAT must be 0, 1,
64 * and 2 so that they will fit in the 2 bits of glsl_type::sampled_type.
80 GLSL_TYPE_ATOMIC_UINT
,
90 static inline bool glsl_base_type_is_16bit(enum glsl_base_type type
)
92 return type
== GLSL_TYPE_FLOAT16
||
93 type
== GLSL_TYPE_UINT16
||
94 type
== GLSL_TYPE_INT16
;
97 static inline bool glsl_base_type_is_64bit(enum glsl_base_type type
)
99 return type
== GLSL_TYPE_DOUBLE
||
100 type
== GLSL_TYPE_UINT64
||
101 type
== GLSL_TYPE_INT64
||
102 type
== GLSL_TYPE_IMAGE
||
103 type
== GLSL_TYPE_SAMPLER
;
106 static inline bool glsl_base_type_is_integer(enum glsl_base_type type
)
108 return type
== GLSL_TYPE_UINT
||
109 type
== GLSL_TYPE_INT
||
110 type
== GLSL_TYPE_UINT64
||
111 type
== GLSL_TYPE_INT64
||
112 type
== GLSL_TYPE_BOOL
||
113 type
== GLSL_TYPE_SAMPLER
||
114 type
== GLSL_TYPE_IMAGE
;
117 enum glsl_sampler_dim
{
118 GLSL_SAMPLER_DIM_1D
= 0,
121 GLSL_SAMPLER_DIM_CUBE
,
122 GLSL_SAMPLER_DIM_RECT
,
123 GLSL_SAMPLER_DIM_BUF
,
124 GLSL_SAMPLER_DIM_EXTERNAL
,
126 GLSL_SAMPLER_DIM_SUBPASS
, /* for vulkan input attachments */
127 GLSL_SAMPLER_DIM_SUBPASS_MS
, /* for multisampled vulkan input attachments */
130 enum glsl_matrix_layout
{
132 * The layout of the matrix is inherited from the object containing the
133 * matrix (the top level structure or the uniform block).
135 GLSL_MATRIX_LAYOUT_INHERITED
,
138 * Explicit column-major layout
140 * If a uniform block doesn't have an explicit layout set, it will default
143 GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
,
148 GLSL_MATRIX_LAYOUT_ROW_MAJOR
152 GLSL_PRECISION_NONE
= 0,
154 GLSL_PRECISION_MEDIUM
,
160 #include "util/ralloc.h"
161 #include "main/menums.h" /* for gl_texture_index, C++'s enum rules are broken */
165 glsl_base_type base_type
:8;
167 glsl_base_type sampled_type
:8; /**< Type of data returned using this
168 * sampler or image. Only \c
169 * GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,
170 * and \c GLSL_TYPE_UINT are valid.
173 unsigned sampler_dimensionality
:4; /**< \see glsl_sampler_dim */
174 unsigned sampler_shadow
:1;
175 unsigned sampler_array
:1;
176 unsigned interface_packing
:2;
177 unsigned interface_row_major
:1;
180 glsl_type() : mem_ctx(NULL
)
182 // Dummy constructor, just for the sake of ASSERT_BITFIELD_SIZE.
187 * \name Vector and matrix element counts
189 * For scalars, each of these values will be 1. For non-numeric types
193 uint8_t vector_elements
; /**< 1, 2, 3, or 4 vector elements. */
194 uint8_t matrix_columns
; /**< 1, 2, 3, or 4 matrix columns. */
198 * For \c GLSL_TYPE_ARRAY, this is the length of the array. For
199 * \c GLSL_TYPE_STRUCT or \c GLSL_TYPE_INTERFACE, it is the number of
200 * elements in the structure and the number of values pointed to by
201 * \c fields.structure (below).
206 * Name of the data type
208 * Will never be \c NULL.
213 * Subtype of composite data types.
216 const struct glsl_type
*array
; /**< Type of array elements. */
217 struct glsl_function_param
*parameters
; /**< Parameters to function. */
218 struct glsl_struct_field
*structure
; /**< List of struct fields. */
222 * \name Pointers to various public type singletons
226 #define DECL_TYPE(NAME, ...) \
227 static const glsl_type *const NAME##_type;
229 #define STRUCT_TYPE(NAME) \
230 static const glsl_type *const struct_##NAME##_type;
231 #include "compiler/builtin_type_macros.h"
235 * Convenience accessors for vector types (shorter than get_instance()).
238 static const glsl_type
*vec(unsigned components
, const glsl_type
*const ts
[]);
239 static const glsl_type
*vec(unsigned components
);
240 static const glsl_type
*f16vec(unsigned components
);
241 static const glsl_type
*dvec(unsigned components
);
242 static const glsl_type
*ivec(unsigned components
);
243 static const glsl_type
*uvec(unsigned components
);
244 static const glsl_type
*bvec(unsigned components
);
245 static const glsl_type
*i64vec(unsigned components
);
246 static const glsl_type
*u64vec(unsigned components
);
247 static const glsl_type
*i16vec(unsigned components
);
248 static const glsl_type
*u16vec(unsigned components
);
249 static const glsl_type
*i8vec(unsigned components
);
250 static const glsl_type
*u8vec(unsigned components
);
254 * For numeric and boolean derived types returns the basic scalar type
256 * If the type is a numeric or boolean scalar, vector, or matrix type,
257 * this function gets the scalar type of the individual components. For
258 * all other types, including arrays of numeric or boolean types, the
259 * error type is returned.
261 const glsl_type
*get_base_type() const;
264 * Get the basic scalar type which this type aggregates.
266 * If the type is a numeric or boolean scalar, vector, or matrix, or an
267 * array of any of those, this function gets the scalar type of the
268 * individual components. For structs and arrays of structs, this function
269 * returns the struct type. For samplers and arrays of samplers, this
270 * function returns the sampler type.
272 const glsl_type
*get_scalar_type() const;
275 * Get the instance of a built-in scalar, vector, or matrix type
277 static const glsl_type
*get_instance(unsigned base_type
, unsigned rows
,
281 * Get the instance of a sampler type
283 static const glsl_type
*get_sampler_instance(enum glsl_sampler_dim dim
,
286 glsl_base_type type
);
288 static const glsl_type
*get_image_instance(enum glsl_sampler_dim dim
,
289 bool array
, glsl_base_type type
);
292 * Get the instance of an array type
294 static const glsl_type
*get_array_instance(const glsl_type
*base
,
298 * Get the instance of a record type
300 static const glsl_type
*get_record_instance(const glsl_struct_field
*fields
,
305 * Get the instance of an interface block type
307 static const glsl_type
*get_interface_instance(const glsl_struct_field
*fields
,
309 enum glsl_interface_packing packing
,
311 const char *block_name
);
314 * Get the instance of an subroutine type
316 static const glsl_type
*get_subroutine_instance(const char *subroutine_name
);
319 * Get the instance of a function type
321 static const glsl_type
*get_function_instance(const struct glsl_type
*return_type
,
322 const glsl_function_param
*parameters
,
323 unsigned num_params
);
326 * Get the type resulting from a multiplication of \p type_a * \p type_b
328 static const glsl_type
*get_mul_type(const glsl_type
*type_a
,
329 const glsl_type
*type_b
);
332 * Query the total number of scalars that make up a scalar, vector or matrix
334 unsigned components() const
336 return vector_elements
* matrix_columns
;
340 * Calculate the number of components slots required to hold this type
342 * This is used to determine how many uniform or varying locations a type
345 unsigned component_slots() const;
348 * Calculate offset between the base location of the struct in
349 * uniform storage and a struct member.
350 * For the initial call, length is the index of the member to find the
353 unsigned record_location_offset(unsigned length
) const;
356 * Calculate the number of unique values from glGetUniformLocation for the
357 * elements of the type.
359 * This is used to allocate slots in the UniformRemapTable, the amount of
360 * locations may not match with actual used storage space by the driver.
362 unsigned uniform_locations() const;
365 * Used to count the number of varyings contained in the type ignoring
366 * innermost array elements.
368 unsigned varying_count() const;
371 * Calculate the number of attribute slots required to hold this type
373 * This implements the language rules of GLSL 1.50 for counting the number
374 * of slots used by a vertex attribute. It also determines the number of
375 * varying slots the type will use up in the absence of varying packing
376 * (and thus, it can be used to measure the number of varying slots used by
377 * the varyings that are generated by lower_packed_varyings).
379 * For vertex shader attributes - doubles only take one slot.
380 * For inter-shader varyings - dvec3/dvec4 take two slots.
382 unsigned count_attribute_slots(bool is_vertex_input
) const;
385 * Alignment in bytes of the start of this type in a std140 uniform
388 unsigned std140_base_alignment(bool row_major
) const;
390 /** Size in bytes of this type in a std140 uniform block.
392 * Note that this is not GL_UNIFORM_SIZE (which is the number of
393 * elements in the array)
395 unsigned std140_size(bool row_major
) const;
398 * Alignment in bytes of the start of this type in a std430 shader
401 unsigned std430_base_alignment(bool row_major
) const;
404 * Calculate array stride in bytes of this type in a std430 shader storage
407 unsigned std430_array_stride(bool row_major
) const;
410 * Size in bytes of this type in a std430 shader storage block.
412 * Note that this is not GL_BUFFER_SIZE
414 unsigned std430_size(bool row_major
) const;
417 * \brief Can this type be implicitly converted to another?
419 * \return True if the types are identical or if this type can be converted
420 * to \c desired according to Section 4.1.10 of the GLSL spec.
423 * From page 25 (31 of the pdf) of the GLSL 1.50 spec, Section 4.1.10
424 * Implicit Conversions:
426 * In some situations, an expression and its type will be implicitly
427 * converted to a different type. The following table shows all allowed
428 * implicit conversions:
430 * Type of expression | Can be implicitly converted to
431 * --------------------------------------------------
444 * There are no implicit array or structure conversions. For example,
445 * an array of int cannot be implicitly converted to an array of float.
446 * There are no implicit conversions between signed and unsigned
450 bool can_implicitly_convert_to(const glsl_type
*desired
,
451 _mesa_glsl_parse_state
*state
) const;
454 * Query whether or not a type is a scalar (non-vector and non-matrix).
456 bool is_scalar() const
458 return (vector_elements
== 1)
459 && (base_type
>= GLSL_TYPE_UINT
)
460 && (base_type
<= GLSL_TYPE_IMAGE
);
464 * Query whether or not a type is a vector
466 bool is_vector() const
468 return (vector_elements
> 1)
469 && (matrix_columns
== 1)
470 && (base_type
>= GLSL_TYPE_UINT
)
471 && (base_type
<= GLSL_TYPE_BOOL
);
475 * Query whether or not a type is a matrix
477 bool is_matrix() const
479 /* GLSL only has float matrices. */
480 return (matrix_columns
> 1) && (base_type
== GLSL_TYPE_FLOAT
||
481 base_type
== GLSL_TYPE_DOUBLE
||
482 base_type
== GLSL_TYPE_FLOAT16
);
486 * Query whether or not a type is a non-array numeric type
488 bool is_numeric() const
490 return (base_type
>= GLSL_TYPE_UINT
) && (base_type
<= GLSL_TYPE_INT64
);
494 * Query whether or not a type is an integral type
496 bool is_integer() const
498 return (base_type
== GLSL_TYPE_UINT
) || (base_type
== GLSL_TYPE_INT
);
502 * Query whether or not a type is a 64-bit integer.
504 bool is_integer_64() const
506 return base_type
== GLSL_TYPE_UINT64
|| base_type
== GLSL_TYPE_INT64
;
510 * Query whether or not a type is a 32-bit or 64-bit integer
512 bool is_integer_32_64() const
514 return is_integer() || is_integer_64();
518 * Query whether or not type is an integral type, or for struct and array
519 * types, contains an integral type.
521 bool contains_integer() const;
524 * Query whether or not type is a double type, or for struct, interface and
525 * array types, contains a double type.
527 bool contains_double() const;
530 * Query whether or not a type is a float type
532 bool is_float() const
534 return base_type
== GLSL_TYPE_FLOAT
;
538 * Query whether or not a type is a double type
540 bool is_double() const
542 return base_type
== GLSL_TYPE_DOUBLE
;
546 * Query whether a 64-bit type takes two slots.
548 bool is_dual_slot() const
550 return is_64bit() && vector_elements
> 2;
554 * Query whether or not a type is 64-bit
556 bool is_64bit() const
558 return glsl_base_type_is_64bit(base_type
);
562 * Query whether or not a type is 16-bit
564 bool is_16bit() const
566 return glsl_base_type_is_16bit(base_type
);
570 * Query whether or not a type is a non-array boolean type
572 bool is_boolean() const
574 return base_type
== GLSL_TYPE_BOOL
;
578 * Query whether or not a type is a sampler
580 bool is_sampler() const
582 return base_type
== GLSL_TYPE_SAMPLER
;
586 * Query whether or not type is a sampler, or for struct, interface and
587 * array types, contains a sampler.
589 bool contains_sampler() const;
592 * Query whether or not type is an array or for struct, interface and
593 * array types, contains an array.
595 bool contains_array() const;
598 * Get the Mesa texture target index for a sampler type.
600 gl_texture_index
sampler_index() const;
603 * Query whether or not type is an image, or for struct, interface and
604 * array types, contains an image.
606 bool contains_image() const;
609 * Query whether or not a type is an image
611 bool is_image() const
613 return base_type
== GLSL_TYPE_IMAGE
;
617 * Query whether or not a type is an array
619 bool is_array() const
621 return base_type
== GLSL_TYPE_ARRAY
;
624 bool is_array_of_arrays() const
626 return is_array() && fields
.array
->is_array();
630 * Query whether or not a type is a record
632 bool is_record() const
634 return base_type
== GLSL_TYPE_STRUCT
;
638 * Query whether or not a type is an interface
640 bool is_interface() const
642 return base_type
== GLSL_TYPE_INTERFACE
;
646 * Query whether or not a type is the void type singleton.
650 return base_type
== GLSL_TYPE_VOID
;
654 * Query whether or not a type is the error type singleton.
656 bool is_error() const
658 return base_type
== GLSL_TYPE_ERROR
;
662 * Query if a type is unnamed/anonymous (named by the parser)
665 bool is_subroutine() const
667 return base_type
== GLSL_TYPE_SUBROUTINE
;
669 bool contains_subroutine() const;
671 bool is_anonymous() const
673 return !strncmp(name
, "#anon", 5);
677 * Get the type stripped of any arrays
680 * Pointer to the type of elements of the first non-array type for array
681 * types, or pointer to itself for non-array types.
683 const glsl_type
*without_array() const
685 const glsl_type
*t
= this;
687 while (t
->is_array())
694 * Return the total number of elements in an array including the elements
695 * in arrays of arrays.
697 unsigned arrays_of_arrays_size() const
702 unsigned size
= length
;
703 const glsl_type
*base_type
= fields
.array
;
705 while (base_type
->is_array()) {
706 size
= size
* base_type
->length
;
707 base_type
= base_type
->fields
.array
;
713 * Query whether or not a type is an atomic_uint.
715 bool is_atomic_uint() const
717 return base_type
== GLSL_TYPE_ATOMIC_UINT
;
721 * Return the amount of atomic counter storage required for a type.
723 unsigned atomic_size() const
725 if (is_atomic_uint())
726 return ATOMIC_COUNTER_SIZE
;
728 return length
* fields
.array
->atomic_size();
734 * Return whether a type contains any atomic counters.
736 bool contains_atomic() const
738 return atomic_size() > 0;
742 * Return whether a type contains any opaque types.
744 bool contains_opaque() const;
747 * Query the full type of a matrix row
750 * If the type is not a matrix, \c glsl_type::error_type is returned.
751 * Otherwise a type matching the rows of the matrix is returned.
753 const glsl_type
*row_type() const
756 ? get_instance(base_type
, matrix_columns
, 1)
761 * Query the full type of a matrix column
764 * If the type is not a matrix, \c glsl_type::error_type is returned.
765 * Otherwise a type matching the columns of the matrix is returned.
767 const glsl_type
*column_type() const
770 ? get_instance(base_type
, vector_elements
, 1)
775 * Get the type of a structure field
778 * Pointer to the type of the named field. If the type is not a structure
779 * or the named field does not exist, \c glsl_type::error_type is returned.
781 const glsl_type
*field_type(const char *name
) const;
784 * Get the location of a field within a record type
786 int field_index(const char *name
) const;
789 * Query the number of elements in an array type
792 * The number of elements in the array for array types or -1 for non-array
793 * types. If the number of elements in the array has not yet been declared,
796 int array_size() const
798 return is_array() ? length
: -1;
802 * Query whether the array size for all dimensions has been declared.
804 bool is_unsized_array() const
806 return is_array() && length
== 0;
810 * Return the number of coordinate components needed for this
811 * sampler or image type.
813 * This is based purely on the sampler's dimensionality. For example, this
814 * returns 1 for sampler1D, and 3 for sampler2DArray.
816 * Note that this is often different than actual coordinate type used in
817 * a texturing built-in function, since those pack additional values (such
818 * as the shadow comparator or projector) into the coordinate type.
820 int coordinate_components() const;
823 * Compare a record type against another record type.
825 * This is useful for matching record types declared across shader stages.
826 * The option to not match locations is to deal with places where the
827 * same struct is defined in a block which has a location set on it.
829 bool record_compare(const glsl_type
*b
, bool match_locations
= true) const;
832 * Get the type interface packing.
834 enum glsl_interface_packing
get_interface_packing() const
836 return (enum glsl_interface_packing
)interface_packing
;
840 * Get the type interface packing used internally. For shared and packing
841 * layouts this is implementation defined.
843 enum glsl_interface_packing
get_internal_ifc_packing(bool std430_supported
) const
845 enum glsl_interface_packing packing
= this->get_interface_packing();
846 if (packing
== GLSL_INTERFACE_PACKING_STD140
||
847 (!std430_supported
&&
848 (packing
== GLSL_INTERFACE_PACKING_SHARED
||
849 packing
== GLSL_INTERFACE_PACKING_PACKED
))) {
850 return GLSL_INTERFACE_PACKING_STD140
;
852 assert(packing
== GLSL_INTERFACE_PACKING_STD430
||
854 (packing
== GLSL_INTERFACE_PACKING_SHARED
||
855 packing
== GLSL_INTERFACE_PACKING_PACKED
)));
856 return GLSL_INTERFACE_PACKING_STD430
;
861 * Check if the type interface is row major
863 bool get_interface_row_major() const
865 return (bool) interface_row_major
;
872 static mtx_t hash_mutex
;
875 * ralloc context for the type itself.
879 /** Constructor for vector and matrix types */
880 glsl_type(GLenum gl_type
,
881 glsl_base_type base_type
, unsigned vector_elements
,
882 unsigned matrix_columns
, const char *name
);
884 /** Constructor for sampler or image types */
885 glsl_type(GLenum gl_type
, glsl_base_type base_type
,
886 enum glsl_sampler_dim dim
, bool shadow
, bool array
,
887 glsl_base_type type
, const char *name
);
889 /** Constructor for record types */
890 glsl_type(const glsl_struct_field
*fields
, unsigned num_fields
,
893 /** Constructor for interface types */
894 glsl_type(const glsl_struct_field
*fields
, unsigned num_fields
,
895 enum glsl_interface_packing packing
,
896 bool row_major
, const char *name
);
898 /** Constructor for interface types */
899 glsl_type(const glsl_type
*return_type
,
900 const glsl_function_param
*params
, unsigned num_params
);
902 /** Constructor for array types */
903 glsl_type(const glsl_type
*array
, unsigned length
);
905 /** Constructor for subroutine types */
906 glsl_type(const char *name
);
908 /** Hash table containing the known array types. */
909 static struct hash_table
*array_types
;
911 /** Hash table containing the known record types. */
912 static struct hash_table
*record_types
;
914 /** Hash table containing the known interface types. */
915 static struct hash_table
*interface_types
;
917 /** Hash table containing the known subroutine types. */
918 static struct hash_table
*subroutine_types
;
920 /** Hash table containing the known function types. */
921 static struct hash_table
*function_types
;
923 static bool record_key_compare(const void *a
, const void *b
);
924 static unsigned record_key_hash(const void *key
);
927 * \name Built-in type flyweights
931 #define DECL_TYPE(NAME, ...) static const glsl_type _##NAME##_type;
933 #define STRUCT_TYPE(NAME) static const glsl_type _struct_##NAME##_type;
934 #include "compiler/builtin_type_macros.h"
938 * \name Friend functions.
940 * These functions are friends because they must have C linkage and the
941 * need to call various private methods or access various private static
945 friend void _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state
*);
946 friend void _mesa_glsl_release_types(void);
952 #endif /* __cplusplus */
954 struct glsl_struct_field
{
955 const struct glsl_type
*type
;
959 * For interface blocks, gl_varying_slot corresponding to the input/output
960 * if this is a built-in input/output (i.e. a member of the built-in
961 * gl_PerVertex interface block); -1 otherwise.
963 * Ignored for structs.
968 * For interface blocks, members may have an explicit byte offset
969 * specified; -1 otherwise. Also used for xfb_offset layout qualifier.
971 * Unless used for xfb_offset this field is ignored for structs.
976 * For interface blocks, members may define a transform feedback buffer;
982 * For interface blocks, members may define a transform feedback stride;
988 * For interface blocks, the interpolation mode (as in
989 * ir_variable::interpolation). 0 otherwise.
991 unsigned interpolation
:2;
994 * For interface blocks, 1 if this variable uses centroid interpolation (as
995 * in ir_variable::centroid). 0 otherwise.
1000 * For interface blocks, 1 if this variable uses sample interpolation (as
1001 * in ir_variable::sample). 0 otherwise.
1006 * Layout of the matrix. Uses glsl_matrix_layout values.
1008 unsigned matrix_layout
:2;
1011 * For interface blocks, 1 if this variable is a per-patch input or output
1012 * (as in ir_variable::patch). 0 otherwise.
1017 * Precision qualifier
1019 unsigned precision
:2;
1022 * Memory qualifiers, applicable to buffer variables defined in shader
1023 * storage buffer objects (SSBOs)
1025 unsigned memory_read_only
:1;
1026 unsigned memory_write_only
:1;
1027 unsigned memory_coherent
:1;
1028 unsigned memory_volatile
:1;
1029 unsigned memory_restrict
:1;
1032 * Layout format, applicable to image variables only.
1034 unsigned image_format
:16;
1037 * Any of the xfb_* qualifiers trigger the shader to be in transform
1038 * feedback mode so we need to keep track of whether the buffer was
1039 * explicitly set or if its just been assigned the default global value.
1041 unsigned explicit_xfb_buffer
:1;
1043 unsigned implicit_sized_array
:1;
1045 glsl_struct_field(const struct glsl_type
*_type
, const char *_name
)
1046 : type(_type
), name(_name
), location(-1), offset(0), xfb_buffer(0),
1047 xfb_stride(0), interpolation(0), centroid(0),
1048 sample(0), matrix_layout(GLSL_MATRIX_LAYOUT_INHERITED
), patch(0),
1049 precision(GLSL_PRECISION_NONE
), memory_read_only(0),
1050 memory_write_only(0), memory_coherent(0), memory_volatile(0),
1051 memory_restrict(0), image_format(0), explicit_xfb_buffer(0),
1052 implicit_sized_array(0)
1058 : type(NULL
), name(NULL
), location(0), offset(0), xfb_buffer(0),
1059 xfb_stride(0), interpolation(0), centroid(0),
1060 sample(0), matrix_layout(0), patch(0),
1061 precision(0), memory_read_only(0),
1062 memory_write_only(0), memory_coherent(0), memory_volatile(0),
1063 memory_restrict(0), image_format(0), explicit_xfb_buffer(0),
1064 implicit_sized_array(0)
1071 struct glsl_function_param
{
1072 const struct glsl_type
*type
;
1078 static inline unsigned int
1079 glsl_align(unsigned int a
, unsigned int align
)
1081 return (a
+ align
- 1) / align
* align
;
1084 #endif /* GLSL_TYPES_H */