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;
168 // Dummy constructor, just for the sake of ASSERT_BITFIELD_SIZE.
172 /* Callers of this ralloc-based new need not call delete. It's
173 * easier to just ralloc_free 'mem_ctx' (or any of its ancestors). */
174 static void* operator new(size_t size
)
176 ASSERT_BITFIELD_SIZE(glsl_type
, base_type
, GLSL_TYPE_ERROR
);
177 ASSERT_BITFIELD_SIZE(glsl_type
, sampled_type
, GLSL_TYPE_ERROR
);
178 ASSERT_BITFIELD_SIZE(glsl_type
, sampler_dimensionality
,
179 GLSL_SAMPLER_DIM_SUBPASS_MS
);
181 mtx_lock(&glsl_type::mem_mutex
);
183 /* mem_ctx should have been created by the static members */
184 assert(glsl_type::mem_ctx
!= NULL
);
188 type
= ralloc_size(glsl_type::mem_ctx
, size
);
189 assert(type
!= NULL
);
191 mtx_unlock(&glsl_type::mem_mutex
);
196 /* If the user *does* call delete, that's OK, we will just
197 * ralloc_free in that case. */
198 static void operator delete(void *type
)
200 mtx_lock(&glsl_type::mem_mutex
);
202 mtx_unlock(&glsl_type::mem_mutex
);
206 * \name Vector and matrix element counts
208 * For scalars, each of these values will be 1. For non-numeric types
212 uint8_t vector_elements
; /**< 1, 2, 3, or 4 vector elements. */
213 uint8_t matrix_columns
; /**< 1, 2, 3, or 4 matrix columns. */
217 * For \c GLSL_TYPE_ARRAY, this is the length of the array. For
218 * \c GLSL_TYPE_STRUCT or \c GLSL_TYPE_INTERFACE, it is the number of
219 * elements in the structure and the number of values pointed to by
220 * \c fields.structure (below).
225 * Name of the data type
227 * Will never be \c NULL.
232 * Subtype of composite data types.
235 const struct glsl_type
*array
; /**< Type of array elements. */
236 struct glsl_function_param
*parameters
; /**< Parameters to function. */
237 struct glsl_struct_field
*structure
; /**< List of struct fields. */
241 * \name Pointers to various public type singletons
245 #define DECL_TYPE(NAME, ...) \
246 static const glsl_type *const NAME##_type;
248 #define STRUCT_TYPE(NAME) \
249 static const glsl_type *const struct_##NAME##_type;
250 #include "compiler/builtin_type_macros.h"
254 * Convenience accessors for vector types (shorter than get_instance()).
257 static const glsl_type
*vec(unsigned components
);
258 static const glsl_type
*f16vec(unsigned components
);
259 static const glsl_type
*dvec(unsigned components
);
260 static const glsl_type
*ivec(unsigned components
);
261 static const glsl_type
*uvec(unsigned components
);
262 static const glsl_type
*bvec(unsigned components
);
263 static const glsl_type
*i64vec(unsigned components
);
264 static const glsl_type
*u64vec(unsigned components
);
265 static const glsl_type
*i16vec(unsigned components
);
266 static const glsl_type
*u16vec(unsigned components
);
270 * For numeric and boolean derived types returns the basic scalar type
272 * If the type is a numeric or boolean scalar, vector, or matrix type,
273 * this function gets the scalar type of the individual components. For
274 * all other types, including arrays of numeric or boolean types, the
275 * error type is returned.
277 const glsl_type
*get_base_type() const;
280 * Get the basic scalar type which this type aggregates.
282 * If the type is a numeric or boolean scalar, vector, or matrix, or an
283 * array of any of those, this function gets the scalar type of the
284 * individual components. For structs and arrays of structs, this function
285 * returns the struct type. For samplers and arrays of samplers, this
286 * function returns the sampler type.
288 const glsl_type
*get_scalar_type() const;
291 * Get the instance of a built-in scalar, vector, or matrix type
293 static const glsl_type
*get_instance(unsigned base_type
, unsigned rows
,
297 * Get the instance of a sampler type
299 static const glsl_type
*get_sampler_instance(enum glsl_sampler_dim dim
,
302 glsl_base_type type
);
304 static const glsl_type
*get_image_instance(enum glsl_sampler_dim dim
,
305 bool array
, glsl_base_type type
);
308 * Get the instance of an array type
310 static const glsl_type
*get_array_instance(const glsl_type
*base
,
314 * Get the instance of a record type
316 static const glsl_type
*get_record_instance(const glsl_struct_field
*fields
,
321 * Get the instance of an interface block type
323 static const glsl_type
*get_interface_instance(const glsl_struct_field
*fields
,
325 enum glsl_interface_packing packing
,
327 const char *block_name
);
330 * Get the instance of an subroutine type
332 static const glsl_type
*get_subroutine_instance(const char *subroutine_name
);
335 * Get the instance of a function type
337 static const glsl_type
*get_function_instance(const struct glsl_type
*return_type
,
338 const glsl_function_param
*parameters
,
339 unsigned num_params
);
342 * Get the type resulting from a multiplication of \p type_a * \p type_b
344 static const glsl_type
*get_mul_type(const glsl_type
*type_a
,
345 const glsl_type
*type_b
);
348 * Query the total number of scalars that make up a scalar, vector or matrix
350 unsigned components() const
352 return vector_elements
* matrix_columns
;
356 * Calculate the number of components slots required to hold this type
358 * This is used to determine how many uniform or varying locations a type
361 unsigned component_slots() const;
364 * Calculate offset between the base location of the struct in
365 * uniform storage and a struct member.
366 * For the initial call, length is the index of the member to find the
369 unsigned record_location_offset(unsigned length
) const;
372 * Calculate the number of unique values from glGetUniformLocation for the
373 * elements of the type.
375 * This is used to allocate slots in the UniformRemapTable, the amount of
376 * locations may not match with actual used storage space by the driver.
378 unsigned uniform_locations() const;
381 * Used to count the number of varyings contained in the type ignoring
382 * innermost array elements.
384 unsigned varying_count() const;
387 * Calculate the number of attribute slots required to hold this type
389 * This implements the language rules of GLSL 1.50 for counting the number
390 * of slots used by a vertex attribute. It also determines the number of
391 * varying slots the type will use up in the absence of varying packing
392 * (and thus, it can be used to measure the number of varying slots used by
393 * the varyings that are generated by lower_packed_varyings).
395 * For vertex shader attributes - doubles only take one slot.
396 * For inter-shader varyings - dvec3/dvec4 take two slots.
398 unsigned count_attribute_slots(bool is_vertex_input
) const;
401 * Alignment in bytes of the start of this type in a std140 uniform
404 unsigned std140_base_alignment(bool row_major
) const;
406 /** Size in bytes of this type in a std140 uniform block.
408 * Note that this is not GL_UNIFORM_SIZE (which is the number of
409 * elements in the array)
411 unsigned std140_size(bool row_major
) const;
414 * Alignment in bytes of the start of this type in a std430 shader
417 unsigned std430_base_alignment(bool row_major
) const;
420 * Calculate array stride in bytes of this type in a std430 shader storage
423 unsigned std430_array_stride(bool row_major
) const;
426 * Size in bytes of this type in a std430 shader storage block.
428 * Note that this is not GL_BUFFER_SIZE
430 unsigned std430_size(bool row_major
) const;
433 * \brief Can this type be implicitly converted to another?
435 * \return True if the types are identical or if this type can be converted
436 * to \c desired according to Section 4.1.10 of the GLSL spec.
439 * From page 25 (31 of the pdf) of the GLSL 1.50 spec, Section 4.1.10
440 * Implicit Conversions:
442 * In some situations, an expression and its type will be implicitly
443 * converted to a different type. The following table shows all allowed
444 * implicit conversions:
446 * Type of expression | Can be implicitly converted to
447 * --------------------------------------------------
460 * There are no implicit array or structure conversions. For example,
461 * an array of int cannot be implicitly converted to an array of float.
462 * There are no implicit conversions between signed and unsigned
466 bool can_implicitly_convert_to(const glsl_type
*desired
,
467 _mesa_glsl_parse_state
*state
) const;
470 * Query whether or not a type is a scalar (non-vector and non-matrix).
472 bool is_scalar() const
474 return (vector_elements
== 1)
475 && (base_type
>= GLSL_TYPE_UINT
)
476 && (base_type
<= GLSL_TYPE_IMAGE
);
480 * Query whether or not a type is a vector
482 bool is_vector() const
484 return (vector_elements
> 1)
485 && (matrix_columns
== 1)
486 && (base_type
>= GLSL_TYPE_UINT
)
487 && (base_type
<= GLSL_TYPE_BOOL
);
491 * Query whether or not a type is a matrix
493 bool is_matrix() const
495 /* GLSL only has float matrices. */
496 return (matrix_columns
> 1) && (base_type
== GLSL_TYPE_FLOAT
||
497 base_type
== GLSL_TYPE_DOUBLE
||
498 base_type
== GLSL_TYPE_FLOAT16
);
502 * Query whether or not a type is a non-array numeric type
504 bool is_numeric() const
506 return (base_type
>= GLSL_TYPE_UINT
) && (base_type
<= GLSL_TYPE_INT64
);
510 * Query whether or not a type is an integral type
512 bool is_integer() const
514 return (base_type
== GLSL_TYPE_UINT
) || (base_type
== GLSL_TYPE_INT
);
518 * Query whether or not a type is a 64-bit integer.
520 bool is_integer_64() const
522 return base_type
== GLSL_TYPE_UINT64
|| base_type
== GLSL_TYPE_INT64
;
526 * Query whether or not a type is a 32-bit or 64-bit integer
528 bool is_integer_32_64() const
530 return is_integer() || is_integer_64();
534 * Query whether or not type is an integral type, or for struct and array
535 * types, contains an integral type.
537 bool contains_integer() const;
540 * Query whether or not type is a double type, or for struct, interface and
541 * array types, contains a double type.
543 bool contains_double() const;
546 * Query whether or not a type is a float type
548 bool is_float() const
550 return base_type
== GLSL_TYPE_FLOAT
;
554 * Query whether or not a type is a double type
556 bool is_double() const
558 return base_type
== GLSL_TYPE_DOUBLE
;
562 * Query whether a 64-bit type takes two slots.
564 bool is_dual_slot() const
566 return is_64bit() && vector_elements
> 2;
570 * Query whether or not a type is 64-bit
572 bool is_64bit() const
574 return glsl_base_type_is_64bit(base_type
);
578 * Query whether or not a type is a non-array boolean type
580 bool is_boolean() const
582 return base_type
== GLSL_TYPE_BOOL
;
586 * Query whether or not a type is a sampler
588 bool is_sampler() const
590 return base_type
== GLSL_TYPE_SAMPLER
;
594 * Query whether or not type is a sampler, or for struct, interface and
595 * array types, contains a sampler.
597 bool contains_sampler() const;
600 * Query whether or not type is an array or for struct, interface and
601 * array types, contains an array.
603 bool contains_array() const;
606 * Get the Mesa texture target index for a sampler type.
608 gl_texture_index
sampler_index() const;
611 * Query whether or not type is an image, or for struct, interface and
612 * array types, contains an image.
614 bool contains_image() const;
617 * Query whether or not a type is an image
619 bool is_image() const
621 return base_type
== GLSL_TYPE_IMAGE
;
625 * Query whether or not a type is an array
627 bool is_array() const
629 return base_type
== GLSL_TYPE_ARRAY
;
632 bool is_array_of_arrays() const
634 return is_array() && fields
.array
->is_array();
638 * Query whether or not a type is a record
640 bool is_record() const
642 return base_type
== GLSL_TYPE_STRUCT
;
646 * Query whether or not a type is an interface
648 bool is_interface() const
650 return base_type
== GLSL_TYPE_INTERFACE
;
654 * Query whether or not a type is the void type singleton.
658 return base_type
== GLSL_TYPE_VOID
;
662 * Query whether or not a type is the error type singleton.
664 bool is_error() const
666 return base_type
== GLSL_TYPE_ERROR
;
670 * Query if a type is unnamed/anonymous (named by the parser)
673 bool is_subroutine() const
675 return base_type
== GLSL_TYPE_SUBROUTINE
;
677 bool contains_subroutine() const;
679 bool is_anonymous() const
681 return !strncmp(name
, "#anon", 5);
685 * Get the type stripped of any arrays
688 * Pointer to the type of elements of the first non-array type for array
689 * types, or pointer to itself for non-array types.
691 const glsl_type
*without_array() const
693 const glsl_type
*t
= this;
695 while (t
->is_array())
702 * Return the total number of elements in an array including the elements
703 * in arrays of arrays.
705 unsigned arrays_of_arrays_size() const
710 unsigned size
= length
;
711 const glsl_type
*base_type
= fields
.array
;
713 while (base_type
->is_array()) {
714 size
= size
* base_type
->length
;
715 base_type
= base_type
->fields
.array
;
721 * Query whether or not a type is an atomic_uint.
723 bool is_atomic_uint() const
725 return base_type
== GLSL_TYPE_ATOMIC_UINT
;
729 * Return the amount of atomic counter storage required for a type.
731 unsigned atomic_size() const
733 if (is_atomic_uint())
734 return ATOMIC_COUNTER_SIZE
;
736 return length
* fields
.array
->atomic_size();
742 * Return whether a type contains any atomic counters.
744 bool contains_atomic() const
746 return atomic_size() > 0;
750 * Return whether a type contains any opaque types.
752 bool contains_opaque() const;
755 * Query the full type of a matrix row
758 * If the type is not a matrix, \c glsl_type::error_type is returned.
759 * Otherwise a type matching the rows of the matrix is returned.
761 const glsl_type
*row_type() const
764 ? get_instance(base_type
, matrix_columns
, 1)
769 * Query the full type of a matrix column
772 * If the type is not a matrix, \c glsl_type::error_type is returned.
773 * Otherwise a type matching the columns of the matrix is returned.
775 const glsl_type
*column_type() const
778 ? get_instance(base_type
, vector_elements
, 1)
783 * Get the type of a structure field
786 * Pointer to the type of the named field. If the type is not a structure
787 * or the named field does not exist, \c glsl_type::error_type is returned.
789 const glsl_type
*field_type(const char *name
) const;
792 * Get the location of a field within a record type
794 int field_index(const char *name
) const;
797 * Query the number of elements in an array type
800 * The number of elements in the array for array types or -1 for non-array
801 * types. If the number of elements in the array has not yet been declared,
804 int array_size() const
806 return is_array() ? length
: -1;
810 * Query whether the array size for all dimensions has been declared.
812 bool is_unsized_array() const
814 return is_array() && length
== 0;
818 * Return the number of coordinate components needed for this
819 * sampler or image type.
821 * This is based purely on the sampler's dimensionality. For example, this
822 * returns 1 for sampler1D, and 3 for sampler2DArray.
824 * Note that this is often different than actual coordinate type used in
825 * a texturing built-in function, since those pack additional values (such
826 * as the shadow comparator or projector) into the coordinate type.
828 int coordinate_components() const;
831 * Compare a record type against another record type.
833 * This is useful for matching record types declared across shader stages.
834 * The option to not match locations is to deal with places where the
835 * same struct is defined in a block which has a location set on it.
837 bool record_compare(const glsl_type
*b
, bool match_locations
= true) const;
840 * Get the type interface packing.
842 enum glsl_interface_packing
get_interface_packing() const
844 return (enum glsl_interface_packing
)interface_packing
;
848 * Get the type interface packing used internally. For shared and packing
849 * layouts this is implementation defined.
851 enum glsl_interface_packing
get_internal_ifc_packing(bool std430_supported
) const
853 enum glsl_interface_packing packing
= this->get_interface_packing();
854 if (packing
== GLSL_INTERFACE_PACKING_STD140
||
855 (!std430_supported
&&
856 (packing
== GLSL_INTERFACE_PACKING_SHARED
||
857 packing
== GLSL_INTERFACE_PACKING_PACKED
))) {
858 return GLSL_INTERFACE_PACKING_STD140
;
860 assert(packing
== GLSL_INTERFACE_PACKING_STD430
||
862 (packing
== GLSL_INTERFACE_PACKING_SHARED
||
863 packing
== GLSL_INTERFACE_PACKING_PACKED
)));
864 return GLSL_INTERFACE_PACKING_STD430
;
869 * Check if the type interface is row major
871 bool get_interface_row_major() const
873 return (bool) interface_row_major
;
878 static mtx_t mem_mutex
;
879 static mtx_t hash_mutex
;
882 * ralloc context for all glsl_type allocations
884 * Set on the first call to \c glsl_type::new.
886 static void *mem_ctx
;
888 void init_ralloc_type_ctx(void);
890 /** Constructor for vector and matrix types */
891 glsl_type(GLenum gl_type
,
892 glsl_base_type base_type
, unsigned vector_elements
,
893 unsigned matrix_columns
, const char *name
);
895 /** Constructor for sampler or image types */
896 glsl_type(GLenum gl_type
, glsl_base_type base_type
,
897 enum glsl_sampler_dim dim
, bool shadow
, bool array
,
898 glsl_base_type type
, const char *name
);
900 /** Constructor for record types */
901 glsl_type(const glsl_struct_field
*fields
, unsigned num_fields
,
904 /** Constructor for interface types */
905 glsl_type(const glsl_struct_field
*fields
, unsigned num_fields
,
906 enum glsl_interface_packing packing
,
907 bool row_major
, const char *name
);
909 /** Constructor for interface types */
910 glsl_type(const glsl_type
*return_type
,
911 const glsl_function_param
*params
, unsigned num_params
);
913 /** Constructor for array types */
914 glsl_type(const glsl_type
*array
, unsigned length
);
916 /** Constructor for subroutine types */
917 glsl_type(const char *name
);
919 /** Hash table containing the known array types. */
920 static struct hash_table
*array_types
;
922 /** Hash table containing the known record types. */
923 static struct hash_table
*record_types
;
925 /** Hash table containing the known interface types. */
926 static struct hash_table
*interface_types
;
928 /** Hash table containing the known subroutine types. */
929 static struct hash_table
*subroutine_types
;
931 /** Hash table containing the known function types. */
932 static struct hash_table
*function_types
;
934 static bool record_key_compare(const void *a
, const void *b
);
935 static unsigned record_key_hash(const void *key
);
938 * \name Built-in type flyweights
942 #define DECL_TYPE(NAME, ...) static const glsl_type _##NAME##_type;
944 #define STRUCT_TYPE(NAME) static const glsl_type _struct_##NAME##_type;
945 #include "compiler/builtin_type_macros.h"
949 * \name Friend functions.
951 * These functions are friends because they must have C linkage and the
952 * need to call various private methods or access various private static
956 friend void _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state
*);
957 friend void _mesa_glsl_release_types(void);
963 #endif /* __cplusplus */
965 struct glsl_struct_field
{
966 const struct glsl_type
*type
;
970 * For interface blocks, gl_varying_slot corresponding to the input/output
971 * if this is a built-in input/output (i.e. a member of the built-in
972 * gl_PerVertex interface block); -1 otherwise.
974 * Ignored for structs.
979 * For interface blocks, members may have an explicit byte offset
980 * specified; -1 otherwise. Also used for xfb_offset layout qualifier.
982 * Unless used for xfb_offset this field is ignored for structs.
987 * For interface blocks, members may define a transform feedback buffer;
993 * For interface blocks, members may define a transform feedback stride;
999 * For interface blocks, the interpolation mode (as in
1000 * ir_variable::interpolation). 0 otherwise.
1002 unsigned interpolation
:2;
1005 * For interface blocks, 1 if this variable uses centroid interpolation (as
1006 * in ir_variable::centroid). 0 otherwise.
1008 unsigned centroid
:1;
1011 * For interface blocks, 1 if this variable uses sample interpolation (as
1012 * in ir_variable::sample). 0 otherwise.
1017 * Layout of the matrix. Uses glsl_matrix_layout values.
1019 unsigned matrix_layout
:2;
1022 * For interface blocks, 1 if this variable is a per-patch input or output
1023 * (as in ir_variable::patch). 0 otherwise.
1028 * Precision qualifier
1030 unsigned precision
:2;
1033 * Memory qualifiers, applicable to buffer variables defined in shader
1034 * storage buffer objects (SSBOs)
1036 unsigned memory_read_only
:1;
1037 unsigned memory_write_only
:1;
1038 unsigned memory_coherent
:1;
1039 unsigned memory_volatile
:1;
1040 unsigned memory_restrict
:1;
1043 * Layout format, applicable to image variables only.
1045 unsigned image_format
:16;
1048 * Any of the xfb_* qualifiers trigger the shader to be in transform
1049 * feedback mode so we need to keep track of whether the buffer was
1050 * explicitly set or if its just been assigned the default global value.
1052 unsigned explicit_xfb_buffer
:1;
1054 unsigned implicit_sized_array
:1;
1056 glsl_struct_field(const struct glsl_type
*_type
, const char *_name
)
1057 : type(_type
), name(_name
), location(-1), offset(0), xfb_buffer(0),
1058 xfb_stride(0), interpolation(0), centroid(0),
1059 sample(0), matrix_layout(GLSL_MATRIX_LAYOUT_INHERITED
), patch(0),
1060 precision(GLSL_PRECISION_NONE
), memory_read_only(0),
1061 memory_write_only(0), memory_coherent(0), memory_volatile(0),
1062 memory_restrict(0), image_format(0), explicit_xfb_buffer(0),
1063 implicit_sized_array(0)
1069 : type(NULL
), name(NULL
), location(0), offset(0), xfb_buffer(0),
1070 xfb_stride(0), interpolation(0), centroid(0),
1071 sample(0), matrix_layout(0), patch(0),
1072 precision(0), memory_read_only(0),
1073 memory_write_only(0), memory_coherent(0), memory_volatile(0),
1074 memory_restrict(0), image_format(0), explicit_xfb_buffer(0),
1075 implicit_sized_array(0)
1082 struct glsl_function_param
{
1083 const struct glsl_type
*type
;
1089 static inline unsigned int
1090 glsl_align(unsigned int a
, unsigned int align
)
1092 return (a
+ align
- 1) / align
* align
;
1095 #endif /* GLSL_TYPES_H */