2 * Copyright © 2009 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
25 #include "main/macros.h"
26 #include "compiler/glsl/glsl_parser_extras.h"
27 #include "glsl_types.h"
28 #include "util/hash_table.h"
29 #include "util/u_string.h"
32 mtx_t
glsl_type::hash_mutex
= _MTX_INITIALIZER_NP
;
33 hash_table
*glsl_type::explicit_matrix_types
= NULL
;
34 hash_table
*glsl_type::array_types
= NULL
;
35 hash_table
*glsl_type::struct_types
= NULL
;
36 hash_table
*glsl_type::interface_types
= NULL
;
37 hash_table
*glsl_type::function_types
= NULL
;
38 hash_table
*glsl_type::subroutine_types
= NULL
;
40 /* There might be multiple users for types (e.g. application using OpenGL
41 * and Vulkan simultanously or app using multiple Vulkan instances). Counter
42 * is used to make sure we don't release the types if a user is still present.
44 static uint32_t glsl_type_users
= 0;
46 glsl_type::glsl_type(GLenum gl_type
,
47 glsl_base_type base_type
, unsigned vector_elements
,
48 unsigned matrix_columns
, const char *name
,
49 unsigned explicit_stride
, bool row_major
) :
51 base_type(base_type
), sampled_type(GLSL_TYPE_VOID
),
52 sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
53 interface_packing(0), interface_row_major(row_major
), packed(0),
54 vector_elements(vector_elements
), matrix_columns(matrix_columns
),
55 length(0), explicit_stride(explicit_stride
)
57 /* Values of these types must fit in the two bits of
58 * glsl_type::sampled_type.
60 STATIC_ASSERT((unsigned(GLSL_TYPE_UINT
) & 3) == unsigned(GLSL_TYPE_UINT
));
61 STATIC_ASSERT((unsigned(GLSL_TYPE_INT
) & 3) == unsigned(GLSL_TYPE_INT
));
62 STATIC_ASSERT((unsigned(GLSL_TYPE_FLOAT
) & 3) == unsigned(GLSL_TYPE_FLOAT
));
64 ASSERT_BITFIELD_SIZE(glsl_type
, base_type
, GLSL_TYPE_ERROR
);
65 ASSERT_BITFIELD_SIZE(glsl_type
, sampled_type
, GLSL_TYPE_ERROR
);
66 ASSERT_BITFIELD_SIZE(glsl_type
, sampler_dimensionality
,
67 GLSL_SAMPLER_DIM_SUBPASS_MS
);
69 this->mem_ctx
= ralloc_context(NULL
);
70 assert(this->mem_ctx
!= NULL
);
73 this->name
= ralloc_strdup(this->mem_ctx
, name
);
75 /* Neither dimension is zero or both dimensions are zero.
77 assert((vector_elements
== 0) == (matrix_columns
== 0));
78 memset(& fields
, 0, sizeof(fields
));
81 glsl_type::glsl_type(GLenum gl_type
, glsl_base_type base_type
,
82 enum glsl_sampler_dim dim
, bool shadow
, bool array
,
83 glsl_base_type type
, const char *name
) :
85 base_type(base_type
), sampled_type(type
),
86 sampler_dimensionality(dim
), sampler_shadow(shadow
),
87 sampler_array(array
), interface_packing(0),
88 interface_row_major(0), packed(0),
89 length(0), explicit_stride(0)
91 this->mem_ctx
= ralloc_context(NULL
);
92 assert(this->mem_ctx
!= NULL
);
95 this->name
= ralloc_strdup(this->mem_ctx
, name
);
97 memset(& fields
, 0, sizeof(fields
));
99 matrix_columns
= vector_elements
= 1;
102 glsl_type::glsl_type(const glsl_struct_field
*fields
, unsigned num_fields
,
103 const char *name
, bool packed
) :
105 base_type(GLSL_TYPE_STRUCT
), sampled_type(GLSL_TYPE_VOID
),
106 sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
107 interface_packing(0), interface_row_major(0), packed(packed
),
108 vector_elements(0), matrix_columns(0),
109 length(num_fields
), explicit_stride(0)
113 this->mem_ctx
= ralloc_context(NULL
);
114 assert(this->mem_ctx
!= NULL
);
116 assert(name
!= NULL
);
117 this->name
= ralloc_strdup(this->mem_ctx
, name
);
118 /* Zero-fill to prevent spurious Valgrind errors when serializing NIR
119 * due to uninitialized unused bits in bit fields. */
120 this->fields
.structure
= rzalloc_array(this->mem_ctx
,
121 glsl_struct_field
, length
);
123 for (i
= 0; i
< length
; i
++) {
124 this->fields
.structure
[i
] = fields
[i
];
125 this->fields
.structure
[i
].name
= ralloc_strdup(this->fields
.structure
,
130 glsl_type::glsl_type(const glsl_struct_field
*fields
, unsigned num_fields
,
131 enum glsl_interface_packing packing
,
132 bool row_major
, const char *name
) :
134 base_type(GLSL_TYPE_INTERFACE
), sampled_type(GLSL_TYPE_VOID
),
135 sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
136 interface_packing((unsigned) packing
),
137 interface_row_major((unsigned) row_major
), packed(0),
138 vector_elements(0), matrix_columns(0),
139 length(num_fields
), explicit_stride(0)
143 this->mem_ctx
= ralloc_context(NULL
);
144 assert(this->mem_ctx
!= NULL
);
146 assert(name
!= NULL
);
147 this->name
= ralloc_strdup(this->mem_ctx
, name
);
148 this->fields
.structure
= rzalloc_array(this->mem_ctx
,
149 glsl_struct_field
, length
);
150 for (i
= 0; i
< length
; i
++) {
151 this->fields
.structure
[i
] = fields
[i
];
152 this->fields
.structure
[i
].name
= ralloc_strdup(this->fields
.structure
,
157 glsl_type::glsl_type(const glsl_type
*return_type
,
158 const glsl_function_param
*params
, unsigned num_params
) :
160 base_type(GLSL_TYPE_FUNCTION
), sampled_type(GLSL_TYPE_VOID
),
161 sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
162 interface_packing(0), interface_row_major(0), packed(0),
163 vector_elements(0), matrix_columns(0),
164 length(num_params
), explicit_stride(0)
168 this->mem_ctx
= ralloc_context(NULL
);
169 assert(this->mem_ctx
!= NULL
);
171 this->fields
.parameters
= rzalloc_array(this->mem_ctx
,
172 glsl_function_param
, num_params
+ 1);
174 /* We store the return type as the first parameter */
175 this->fields
.parameters
[0].type
= return_type
;
176 this->fields
.parameters
[0].in
= false;
177 this->fields
.parameters
[0].out
= true;
179 /* We store the i'th parameter in slot i+1 */
180 for (i
= 0; i
< length
; i
++) {
181 this->fields
.parameters
[i
+ 1].type
= params
[i
].type
;
182 this->fields
.parameters
[i
+ 1].in
= params
[i
].in
;
183 this->fields
.parameters
[i
+ 1].out
= params
[i
].out
;
187 glsl_type::glsl_type(const char *subroutine_name
) :
189 base_type(GLSL_TYPE_SUBROUTINE
), sampled_type(GLSL_TYPE_VOID
),
190 sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
191 interface_packing(0), interface_row_major(0), packed(0),
192 vector_elements(1), matrix_columns(1),
193 length(0), explicit_stride(0)
195 this->mem_ctx
= ralloc_context(NULL
);
196 assert(this->mem_ctx
!= NULL
);
198 assert(subroutine_name
!= NULL
);
199 this->name
= ralloc_strdup(this->mem_ctx
, subroutine_name
);
202 glsl_type::~glsl_type()
204 ralloc_free(this->mem_ctx
);
208 glsl_type::contains_sampler() const
210 if (this->is_array()) {
211 return this->fields
.array
->contains_sampler();
212 } else if (this->is_struct() || this->is_interface()) {
213 for (unsigned int i
= 0; i
< this->length
; i
++) {
214 if (this->fields
.structure
[i
].type
->contains_sampler())
219 return this->is_sampler();
224 glsl_type::contains_array() const
226 if (this->is_struct() || this->is_interface()) {
227 for (unsigned int i
= 0; i
< this->length
; i
++) {
228 if (this->fields
.structure
[i
].type
->contains_array())
233 return this->is_array();
238 glsl_type::contains_integer() const
240 if (this->is_array()) {
241 return this->fields
.array
->contains_integer();
242 } else if (this->is_struct() || this->is_interface()) {
243 for (unsigned int i
= 0; i
< this->length
; i
++) {
244 if (this->fields
.structure
[i
].type
->contains_integer())
249 return this->is_integer();
254 glsl_type::contains_double() const
256 if (this->is_array()) {
257 return this->fields
.array
->contains_double();
258 } else if (this->is_struct() || this->is_interface()) {
259 for (unsigned int i
= 0; i
< this->length
; i
++) {
260 if (this->fields
.structure
[i
].type
->contains_double())
265 return this->is_double();
270 glsl_type::contains_64bit() const
272 if (this->is_array()) {
273 return this->fields
.array
->contains_64bit();
274 } else if (this->is_struct() || this->is_interface()) {
275 for (unsigned int i
= 0; i
< this->length
; i
++) {
276 if (this->fields
.structure
[i
].type
->contains_64bit())
281 return this->is_64bit();
286 glsl_type::contains_opaque() const {
288 case GLSL_TYPE_SAMPLER
:
289 case GLSL_TYPE_IMAGE
:
290 case GLSL_TYPE_ATOMIC_UINT
:
292 case GLSL_TYPE_ARRAY
:
293 return fields
.array
->contains_opaque();
294 case GLSL_TYPE_STRUCT
:
295 case GLSL_TYPE_INTERFACE
:
296 for (unsigned int i
= 0; i
< length
; i
++) {
297 if (fields
.structure
[i
].type
->contains_opaque())
307 glsl_type::contains_subroutine() const
309 if (this->is_array()) {
310 return this->fields
.array
->contains_subroutine();
311 } else if (this->is_struct() || this->is_interface()) {
312 for (unsigned int i
= 0; i
< this->length
; i
++) {
313 if (this->fields
.structure
[i
].type
->contains_subroutine())
318 return this->is_subroutine();
323 glsl_type::sampler_index() const
325 const glsl_type
*const t
= (this->is_array()) ? this->fields
.array
: this;
327 assert(t
->is_sampler() || t
->is_image());
329 switch (t
->sampler_dimensionality
) {
330 case GLSL_SAMPLER_DIM_1D
:
331 return (t
->sampler_array
) ? TEXTURE_1D_ARRAY_INDEX
: TEXTURE_1D_INDEX
;
332 case GLSL_SAMPLER_DIM_2D
:
333 return (t
->sampler_array
) ? TEXTURE_2D_ARRAY_INDEX
: TEXTURE_2D_INDEX
;
334 case GLSL_SAMPLER_DIM_3D
:
335 return TEXTURE_3D_INDEX
;
336 case GLSL_SAMPLER_DIM_CUBE
:
337 return (t
->sampler_array
) ? TEXTURE_CUBE_ARRAY_INDEX
: TEXTURE_CUBE_INDEX
;
338 case GLSL_SAMPLER_DIM_RECT
:
339 return TEXTURE_RECT_INDEX
;
340 case GLSL_SAMPLER_DIM_BUF
:
341 return TEXTURE_BUFFER_INDEX
;
342 case GLSL_SAMPLER_DIM_EXTERNAL
:
343 return TEXTURE_EXTERNAL_INDEX
;
344 case GLSL_SAMPLER_DIM_MS
:
345 return (t
->sampler_array
) ? TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX
: TEXTURE_2D_MULTISAMPLE_INDEX
;
347 assert(!"Should not get here.");
348 return TEXTURE_BUFFER_INDEX
;
353 glsl_type::contains_image() const
355 if (this->is_array()) {
356 return this->fields
.array
->contains_image();
357 } else if (this->is_struct() || this->is_interface()) {
358 for (unsigned int i
= 0; i
< this->length
; i
++) {
359 if (this->fields
.structure
[i
].type
->contains_image())
364 return this->is_image();
368 const glsl_type
*glsl_type::get_base_type() const
373 case GLSL_TYPE_UINT16
:
374 return uint16_t_type
;
375 case GLSL_TYPE_UINT8
:
379 case GLSL_TYPE_INT16
:
383 case GLSL_TYPE_FLOAT
:
385 case GLSL_TYPE_FLOAT16
:
386 return float16_t_type
;
387 case GLSL_TYPE_DOUBLE
:
391 case GLSL_TYPE_UINT64
:
392 return uint64_t_type
;
393 case GLSL_TYPE_INT64
:
401 const glsl_type
*glsl_type::get_scalar_type() const
403 const glsl_type
*type
= this;
406 while (type
->base_type
== GLSL_TYPE_ARRAY
)
407 type
= type
->fields
.array
;
409 const glsl_type
*scalar_type
= type
->get_base_type();
410 if (scalar_type
== error_type
)
417 const glsl_type
*glsl_type::get_bare_type() const
419 switch (this->base_type
) {
420 case GLSL_TYPE_UINT8
:
422 case GLSL_TYPE_UINT16
:
423 case GLSL_TYPE_INT16
:
424 case GLSL_TYPE_FLOAT16
:
427 case GLSL_TYPE_FLOAT
:
429 case GLSL_TYPE_DOUBLE
:
430 case GLSL_TYPE_UINT64
:
431 case GLSL_TYPE_INT64
:
432 return get_instance(this->base_type
, this->vector_elements
,
433 this->matrix_columns
);
435 case GLSL_TYPE_STRUCT
:
436 case GLSL_TYPE_INTERFACE
: {
437 glsl_struct_field
*bare_fields
= new glsl_struct_field
[this->length
];
438 for (unsigned i
= 0; i
< this->length
; i
++) {
439 bare_fields
[i
].type
= this->fields
.structure
[i
].type
->get_bare_type();
440 bare_fields
[i
].name
= this->fields
.structure
[i
].name
;
442 const glsl_type
*bare_type
=
443 get_struct_instance(bare_fields
, this->length
, this->name
);
444 delete[] bare_fields
;
448 case GLSL_TYPE_ARRAY
:
449 return get_array_instance(this->fields
.array
->get_bare_type(),
452 case GLSL_TYPE_SAMPLER
:
453 case GLSL_TYPE_IMAGE
:
454 case GLSL_TYPE_ATOMIC_UINT
:
456 case GLSL_TYPE_SUBROUTINE
:
457 case GLSL_TYPE_FUNCTION
:
458 case GLSL_TYPE_ERROR
:
462 unreachable("Invalid base type");
467 hash_free_type_function(struct hash_entry
*entry
)
469 glsl_type
*type
= (glsl_type
*) entry
->data
;
471 if (type
->is_array())
472 free((void*)entry
->key
);
478 glsl_type_singleton_init_or_ref()
480 mtx_lock(&glsl_type::hash_mutex
);
482 mtx_unlock(&glsl_type::hash_mutex
);
486 glsl_type_singleton_decref()
488 mtx_lock(&glsl_type::hash_mutex
);
489 assert(glsl_type_users
> 0);
491 /* Do not release glsl_types if they are still used. */
492 if (--glsl_type_users
) {
493 mtx_unlock(&glsl_type::hash_mutex
);
497 if (glsl_type::explicit_matrix_types
!= NULL
) {
498 _mesa_hash_table_destroy(glsl_type::explicit_matrix_types
,
499 hash_free_type_function
);
500 glsl_type::explicit_matrix_types
= NULL
;
503 if (glsl_type::array_types
!= NULL
) {
504 _mesa_hash_table_destroy(glsl_type::array_types
, hash_free_type_function
);
505 glsl_type::array_types
= NULL
;
508 if (glsl_type::struct_types
!= NULL
) {
509 _mesa_hash_table_destroy(glsl_type::struct_types
, hash_free_type_function
);
510 glsl_type::struct_types
= NULL
;
513 if (glsl_type::interface_types
!= NULL
) {
514 _mesa_hash_table_destroy(glsl_type::interface_types
, hash_free_type_function
);
515 glsl_type::interface_types
= NULL
;
518 if (glsl_type::function_types
!= NULL
) {
519 _mesa_hash_table_destroy(glsl_type::function_types
, hash_free_type_function
);
520 glsl_type::function_types
= NULL
;
523 if (glsl_type::subroutine_types
!= NULL
) {
524 _mesa_hash_table_destroy(glsl_type::subroutine_types
, hash_free_type_function
);
525 glsl_type::subroutine_types
= NULL
;
528 mtx_unlock(&glsl_type::hash_mutex
);
532 glsl_type::glsl_type(const glsl_type
*array
, unsigned length
,
533 unsigned explicit_stride
) :
534 base_type(GLSL_TYPE_ARRAY
), sampled_type(GLSL_TYPE_VOID
),
535 sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
536 interface_packing(0), interface_row_major(0), packed(0),
537 vector_elements(0), matrix_columns(0),
538 length(length
), name(NULL
), explicit_stride(explicit_stride
)
540 this->fields
.array
= array
;
541 /* Inherit the gl type of the base. The GL type is used for
542 * uniform/statevar handling in Mesa and the arrayness of the type
543 * is represented by the size rather than the type.
545 this->gl_type
= array
->gl_type
;
547 /* Allow a maximum of 10 characters for the array size. This is enough
548 * for 32-bits of ~0. The extra 3 are for the '[', ']', and terminating
551 const unsigned name_length
= strlen(array
->name
) + 10 + 3;
553 this->mem_ctx
= ralloc_context(NULL
);
554 assert(this->mem_ctx
!= NULL
);
556 char *const n
= (char *) ralloc_size(this->mem_ctx
, name_length
);
559 snprintf(n
, name_length
, "%s[]", array
->name
);
561 /* insert outermost dimensions in the correct spot
562 * otherwise the dimension order will be backwards
564 const char *pos
= strchr(array
->name
, '[');
566 int idx
= pos
- array
->name
;
567 snprintf(n
, idx
+1, "%s", array
->name
);
568 snprintf(n
+ idx
, name_length
- idx
, "[%u]%s",
569 length
, array
->name
+ idx
);
571 snprintf(n
, name_length
, "%s[%u]", array
->name
, length
);
579 glsl_type::vec(unsigned components
, const glsl_type
*const ts
[])
581 unsigned n
= components
;
585 else if (components
== 16)
594 #define VECN(components, sname, vname) \
596 glsl_type:: vname (unsigned components) \
598 static const glsl_type *const ts[] = { \
599 sname ## _type, vname ## 2_type, \
600 vname ## 3_type, vname ## 4_type, \
601 vname ## 8_type, vname ## 16_type, \
603 return glsl_type::vec(components, ts); \
606 VECN(components
, float, vec
)
607 VECN(components
, float16_t
, f16vec
)
608 VECN(components
, double, dvec
)
609 VECN(components
, int, ivec
)
610 VECN(components
, uint
, uvec
)
611 VECN(components
, bool, bvec
)
612 VECN(components
, int64_t, i64vec
)
613 VECN(components
, uint64_t, u64vec
)
614 VECN(components
, int16_t, i16vec
)
615 VECN(components
, uint16_t, u16vec
)
616 VECN(components
, int8_t, i8vec
)
617 VECN(components
, uint8_t, u8vec
)
620 glsl_type::get_instance(unsigned base_type
, unsigned rows
, unsigned columns
,
621 unsigned explicit_stride
, bool row_major
)
623 if (base_type
== GLSL_TYPE_VOID
) {
624 assert(explicit_stride
== 0 && !row_major
);
628 /* Matrix and vector types with explicit strides have to be looked up in a
629 * table so they're handled separately.
631 if (explicit_stride
> 0) {
632 const glsl_type
*bare_type
= get_instance(base_type
, rows
, columns
);
634 assert(columns
> 1 || !row_major
);
637 snprintf(name
, sizeof(name
), "%sx%uB%s", bare_type
->name
,
638 explicit_stride
, row_major
? "RM" : "");
640 mtx_lock(&glsl_type::hash_mutex
);
641 assert(glsl_type_users
> 0);
643 if (explicit_matrix_types
== NULL
) {
644 explicit_matrix_types
=
645 _mesa_hash_table_create(NULL
, _mesa_key_hash_string
,
646 _mesa_key_string_equal
);
649 const struct hash_entry
*entry
=
650 _mesa_hash_table_search(explicit_matrix_types
, name
);
652 const glsl_type
*t
= new glsl_type(bare_type
->gl_type
,
653 (glsl_base_type
)base_type
,
655 explicit_stride
, row_major
);
657 entry
= _mesa_hash_table_insert(explicit_matrix_types
,
661 assert(((glsl_type
*) entry
->data
)->base_type
== base_type
);
662 assert(((glsl_type
*) entry
->data
)->vector_elements
== rows
);
663 assert(((glsl_type
*) entry
->data
)->matrix_columns
== columns
);
664 assert(((glsl_type
*) entry
->data
)->explicit_stride
== explicit_stride
);
666 mtx_unlock(&glsl_type::hash_mutex
);
668 return (const glsl_type
*) entry
->data
;
673 /* Treat GLSL vectors as Nx1 matrices.
681 case GLSL_TYPE_FLOAT
:
683 case GLSL_TYPE_FLOAT16
:
685 case GLSL_TYPE_DOUBLE
:
689 case GLSL_TYPE_UINT64
:
691 case GLSL_TYPE_INT64
:
693 case GLSL_TYPE_UINT16
:
695 case GLSL_TYPE_INT16
:
697 case GLSL_TYPE_UINT8
:
705 if ((base_type
!= GLSL_TYPE_FLOAT
&&
706 base_type
!= GLSL_TYPE_DOUBLE
&&
707 base_type
!= GLSL_TYPE_FLOAT16
) || (rows
== 1))
710 /* GLSL matrix types are named mat{COLUMNS}x{ROWS}. Only the following
711 * combinations are valid:
719 #define IDX(c,r) (((c-1)*3) + (r-1))
722 case GLSL_TYPE_DOUBLE
: {
723 switch (IDX(columns
, rows
)) {
724 case IDX(2,2): return dmat2_type
;
725 case IDX(2,3): return dmat2x3_type
;
726 case IDX(2,4): return dmat2x4_type
;
727 case IDX(3,2): return dmat3x2_type
;
728 case IDX(3,3): return dmat3_type
;
729 case IDX(3,4): return dmat3x4_type
;
730 case IDX(4,2): return dmat4x2_type
;
731 case IDX(4,3): return dmat4x3_type
;
732 case IDX(4,4): return dmat4_type
;
733 default: return error_type
;
736 case GLSL_TYPE_FLOAT
: {
737 switch (IDX(columns
, rows
)) {
738 case IDX(2,2): return mat2_type
;
739 case IDX(2,3): return mat2x3_type
;
740 case IDX(2,4): return mat2x4_type
;
741 case IDX(3,2): return mat3x2_type
;
742 case IDX(3,3): return mat3_type
;
743 case IDX(3,4): return mat3x4_type
;
744 case IDX(4,2): return mat4x2_type
;
745 case IDX(4,3): return mat4x3_type
;
746 case IDX(4,4): return mat4_type
;
747 default: return error_type
;
750 case GLSL_TYPE_FLOAT16
: {
751 switch (IDX(columns
, rows
)) {
752 case IDX(2,2): return f16mat2_type
;
753 case IDX(2,3): return f16mat2x3_type
;
754 case IDX(2,4): return f16mat2x4_type
;
755 case IDX(3,2): return f16mat3x2_type
;
756 case IDX(3,3): return f16mat3_type
;
757 case IDX(3,4): return f16mat3x4_type
;
758 case IDX(4,2): return f16mat4x2_type
;
759 case IDX(4,3): return f16mat4x3_type
;
760 case IDX(4,4): return f16mat4_type
;
761 default: return error_type
;
764 default: return error_type
;
768 assert(!"Should not get here.");
773 glsl_type::get_sampler_instance(enum glsl_sampler_dim dim
,
779 case GLSL_TYPE_FLOAT
:
781 case GLSL_SAMPLER_DIM_1D
:
783 return (array
? sampler1DArrayShadow_type
: sampler1DShadow_type
);
785 return (array
? sampler1DArray_type
: sampler1D_type
);
786 case GLSL_SAMPLER_DIM_2D
:
788 return (array
? sampler2DArrayShadow_type
: sampler2DShadow_type
);
790 return (array
? sampler2DArray_type
: sampler2D_type
);
791 case GLSL_SAMPLER_DIM_3D
:
795 return sampler3D_type
;
796 case GLSL_SAMPLER_DIM_CUBE
:
798 return (array
? samplerCubeArrayShadow_type
: samplerCubeShadow_type
);
800 return (array
? samplerCubeArray_type
: samplerCube_type
);
801 case GLSL_SAMPLER_DIM_RECT
:
805 return sampler2DRectShadow_type
;
807 return sampler2DRect_type
;
808 case GLSL_SAMPLER_DIM_BUF
:
812 return samplerBuffer_type
;
813 case GLSL_SAMPLER_DIM_MS
:
816 return (array
? sampler2DMSArray_type
: sampler2DMS_type
);
817 case GLSL_SAMPLER_DIM_EXTERNAL
:
821 return samplerExternalOES_type
;
822 case GLSL_SAMPLER_DIM_SUBPASS
:
823 case GLSL_SAMPLER_DIM_SUBPASS_MS
:
830 case GLSL_SAMPLER_DIM_1D
:
831 return (array
? isampler1DArray_type
: isampler1D_type
);
832 case GLSL_SAMPLER_DIM_2D
:
833 return (array
? isampler2DArray_type
: isampler2D_type
);
834 case GLSL_SAMPLER_DIM_3D
:
837 return isampler3D_type
;
838 case GLSL_SAMPLER_DIM_CUBE
:
839 return (array
? isamplerCubeArray_type
: isamplerCube_type
);
840 case GLSL_SAMPLER_DIM_RECT
:
843 return isampler2DRect_type
;
844 case GLSL_SAMPLER_DIM_BUF
:
847 return isamplerBuffer_type
;
848 case GLSL_SAMPLER_DIM_MS
:
849 return (array
? isampler2DMSArray_type
: isampler2DMS_type
);
850 case GLSL_SAMPLER_DIM_EXTERNAL
:
852 case GLSL_SAMPLER_DIM_SUBPASS
:
853 case GLSL_SAMPLER_DIM_SUBPASS_MS
:
860 case GLSL_SAMPLER_DIM_1D
:
861 return (array
? usampler1DArray_type
: usampler1D_type
);
862 case GLSL_SAMPLER_DIM_2D
:
863 return (array
? usampler2DArray_type
: usampler2D_type
);
864 case GLSL_SAMPLER_DIM_3D
:
867 return usampler3D_type
;
868 case GLSL_SAMPLER_DIM_CUBE
:
869 return (array
? usamplerCubeArray_type
: usamplerCube_type
);
870 case GLSL_SAMPLER_DIM_RECT
:
873 return usampler2DRect_type
;
874 case GLSL_SAMPLER_DIM_BUF
:
877 return usamplerBuffer_type
;
878 case GLSL_SAMPLER_DIM_MS
:
879 return (array
? usampler2DMSArray_type
: usampler2DMS_type
);
880 case GLSL_SAMPLER_DIM_EXTERNAL
:
882 case GLSL_SAMPLER_DIM_SUBPASS
:
883 case GLSL_SAMPLER_DIM_SUBPASS_MS
:
890 unreachable("switch statement above should be complete");
894 glsl_type::get_image_instance(enum glsl_sampler_dim dim
,
895 bool array
, glsl_base_type type
)
898 case GLSL_TYPE_FLOAT
:
900 case GLSL_SAMPLER_DIM_1D
:
901 return (array
? image1DArray_type
: image1D_type
);
902 case GLSL_SAMPLER_DIM_2D
:
903 return (array
? image2DArray_type
: image2D_type
);
904 case GLSL_SAMPLER_DIM_3D
:
906 case GLSL_SAMPLER_DIM_CUBE
:
907 return (array
? imageCubeArray_type
: imageCube_type
);
908 case GLSL_SAMPLER_DIM_RECT
:
912 return image2DRect_type
;
913 case GLSL_SAMPLER_DIM_BUF
:
917 return imageBuffer_type
;
918 case GLSL_SAMPLER_DIM_MS
:
919 return (array
? image2DMSArray_type
: image2DMS_type
);
920 case GLSL_SAMPLER_DIM_SUBPASS
:
921 return subpassInput_type
;
922 case GLSL_SAMPLER_DIM_SUBPASS_MS
:
923 return subpassInputMS_type
;
924 case GLSL_SAMPLER_DIM_EXTERNAL
:
929 case GLSL_SAMPLER_DIM_1D
:
930 return (array
? iimage1DArray_type
: iimage1D_type
);
931 case GLSL_SAMPLER_DIM_2D
:
932 return (array
? iimage2DArray_type
: iimage2D_type
);
933 case GLSL_SAMPLER_DIM_3D
:
936 return iimage3D_type
;
937 case GLSL_SAMPLER_DIM_CUBE
:
938 return (array
? iimageCubeArray_type
: iimageCube_type
);
939 case GLSL_SAMPLER_DIM_RECT
:
942 return iimage2DRect_type
;
943 case GLSL_SAMPLER_DIM_BUF
:
946 return iimageBuffer_type
;
947 case GLSL_SAMPLER_DIM_MS
:
948 return (array
? iimage2DMSArray_type
: iimage2DMS_type
);
949 case GLSL_SAMPLER_DIM_SUBPASS
:
950 return isubpassInput_type
;
951 case GLSL_SAMPLER_DIM_SUBPASS_MS
:
952 return isubpassInputMS_type
;
953 case GLSL_SAMPLER_DIM_EXTERNAL
:
958 case GLSL_SAMPLER_DIM_1D
:
959 return (array
? uimage1DArray_type
: uimage1D_type
);
960 case GLSL_SAMPLER_DIM_2D
:
961 return (array
? uimage2DArray_type
: uimage2D_type
);
962 case GLSL_SAMPLER_DIM_3D
:
965 return uimage3D_type
;
966 case GLSL_SAMPLER_DIM_CUBE
:
967 return (array
? uimageCubeArray_type
: uimageCube_type
);
968 case GLSL_SAMPLER_DIM_RECT
:
971 return uimage2DRect_type
;
972 case GLSL_SAMPLER_DIM_BUF
:
975 return uimageBuffer_type
;
976 case GLSL_SAMPLER_DIM_MS
:
977 return (array
? uimage2DMSArray_type
: uimage2DMS_type
);
978 case GLSL_SAMPLER_DIM_SUBPASS
:
979 return usubpassInput_type
;
980 case GLSL_SAMPLER_DIM_SUBPASS_MS
:
981 return usubpassInputMS_type
;
982 case GLSL_SAMPLER_DIM_EXTERNAL
:
989 unreachable("switch statement above should be complete");
993 glsl_type::get_array_instance(const glsl_type
*base
,
995 unsigned explicit_stride
)
997 /* Generate a name using the base type pointer in the key. This is
998 * done because the name of the base type may not be unique across
999 * shaders. For example, two shaders may have different record types
1003 snprintf(key
, sizeof(key
), "%p[%u]x%uB", (void *) base
, array_size
,
1006 mtx_lock(&glsl_type::hash_mutex
);
1007 assert(glsl_type_users
> 0);
1009 if (array_types
== NULL
) {
1010 array_types
= _mesa_hash_table_create(NULL
, _mesa_key_hash_string
,
1011 _mesa_key_string_equal
);
1014 const struct hash_entry
*entry
= _mesa_hash_table_search(array_types
, key
);
1015 if (entry
== NULL
) {
1016 const glsl_type
*t
= new glsl_type(base
, array_size
, explicit_stride
);
1018 entry
= _mesa_hash_table_insert(array_types
,
1023 assert(((glsl_type
*) entry
->data
)->base_type
== GLSL_TYPE_ARRAY
);
1024 assert(((glsl_type
*) entry
->data
)->length
== array_size
);
1025 assert(((glsl_type
*) entry
->data
)->fields
.array
== base
);
1027 mtx_unlock(&glsl_type::hash_mutex
);
1029 return (glsl_type
*) entry
->data
;
1033 glsl_type::compare_no_precision(const glsl_type
*b
) const
1038 if (this->is_array()) {
1039 if (!b
->is_array() || this->length
!= b
->length
)
1042 const glsl_type
*b_no_array
= b
->fields
.array
;
1044 return this->fields
.array
->compare_no_precision(b_no_array
);
1047 if (this->is_struct()) {
1048 if (!b
->is_struct())
1050 } else if (this->is_interface()) {
1051 if (!b
->is_interface())
1057 return record_compare(b
,
1058 true, /* match_name */
1059 true, /* match_locations */
1060 false /* match_precision */);
1064 glsl_type::record_compare(const glsl_type
*b
, bool match_name
,
1065 bool match_locations
, bool match_precision
) const
1067 if (this->length
!= b
->length
)
1070 if (this->interface_packing
!= b
->interface_packing
)
1073 if (this->interface_row_major
!= b
->interface_row_major
)
1076 /* From the GLSL 4.20 specification (Sec 4.2):
1078 * "Structures must have the same name, sequence of type names, and
1079 * type definitions, and field names to be considered the same type."
1081 * GLSL ES behaves the same (Ver 1.00 Sec 4.2.4, Ver 3.00 Sec 4.2.5).
1083 * Section 7.4.1 (Shader Interface Matching) of the OpenGL 4.30 spec says:
1085 * "Variables or block members declared as structures are considered
1086 * to match in type if and only if structure members match in name,
1087 * type, qualification, and declaration order."
1090 if (strcmp(this->name
, b
->name
) != 0)
1093 for (unsigned i
= 0; i
< this->length
; i
++) {
1094 if (match_precision
) {
1095 if (this->fields
.structure
[i
].type
!= b
->fields
.structure
[i
].type
)
1098 const glsl_type
*ta
= this->fields
.structure
[i
].type
;
1099 const glsl_type
*tb
= b
->fields
.structure
[i
].type
;
1100 if (!ta
->compare_no_precision(tb
))
1103 if (strcmp(this->fields
.structure
[i
].name
,
1104 b
->fields
.structure
[i
].name
) != 0)
1106 if (this->fields
.structure
[i
].matrix_layout
1107 != b
->fields
.structure
[i
].matrix_layout
)
1109 if (match_locations
&& this->fields
.structure
[i
].location
1110 != b
->fields
.structure
[i
].location
)
1112 if (this->fields
.structure
[i
].offset
1113 != b
->fields
.structure
[i
].offset
)
1115 if (this->fields
.structure
[i
].interpolation
1116 != b
->fields
.structure
[i
].interpolation
)
1118 if (this->fields
.structure
[i
].centroid
1119 != b
->fields
.structure
[i
].centroid
)
1121 if (this->fields
.structure
[i
].sample
1122 != b
->fields
.structure
[i
].sample
)
1124 if (this->fields
.structure
[i
].patch
1125 != b
->fields
.structure
[i
].patch
)
1127 if (this->fields
.structure
[i
].memory_read_only
1128 != b
->fields
.structure
[i
].memory_read_only
)
1130 if (this->fields
.structure
[i
].memory_write_only
1131 != b
->fields
.structure
[i
].memory_write_only
)
1133 if (this->fields
.structure
[i
].memory_coherent
1134 != b
->fields
.structure
[i
].memory_coherent
)
1136 if (this->fields
.structure
[i
].memory_volatile
1137 != b
->fields
.structure
[i
].memory_volatile
)
1139 if (this->fields
.structure
[i
].memory_restrict
1140 != b
->fields
.structure
[i
].memory_restrict
)
1142 if (this->fields
.structure
[i
].image_format
1143 != b
->fields
.structure
[i
].image_format
)
1145 if (match_precision
&&
1146 this->fields
.structure
[i
].precision
1147 != b
->fields
.structure
[i
].precision
)
1149 if (this->fields
.structure
[i
].explicit_xfb_buffer
1150 != b
->fields
.structure
[i
].explicit_xfb_buffer
)
1152 if (this->fields
.structure
[i
].xfb_buffer
1153 != b
->fields
.structure
[i
].xfb_buffer
)
1155 if (this->fields
.structure
[i
].xfb_stride
1156 != b
->fields
.structure
[i
].xfb_stride
)
1165 glsl_type::record_key_compare(const void *a
, const void *b
)
1167 const glsl_type
*const key1
= (glsl_type
*) a
;
1168 const glsl_type
*const key2
= (glsl_type
*) b
;
1170 return strcmp(key1
->name
, key2
->name
) == 0 &&
1171 key1
->record_compare(key2
, true);
1176 * Generate an integer hash value for a glsl_type structure type.
1179 glsl_type::record_key_hash(const void *a
)
1181 const glsl_type
*const key
= (glsl_type
*) a
;
1182 uintptr_t hash
= key
->length
;
1185 for (unsigned i
= 0; i
< key
->length
; i
++) {
1186 /* casting pointer to uintptr_t */
1187 hash
= (hash
* 13 ) + (uintptr_t) key
->fields
.structure
[i
].type
;
1190 if (sizeof(hash
) == 8)
1191 retval
= (hash
& 0xffffffff) ^ ((uint64_t) hash
>> 32);
1200 glsl_type::get_struct_instance(const glsl_struct_field
*fields
,
1201 unsigned num_fields
,
1205 const glsl_type
key(fields
, num_fields
, name
, packed
);
1207 mtx_lock(&glsl_type::hash_mutex
);
1208 assert(glsl_type_users
> 0);
1210 if (struct_types
== NULL
) {
1211 struct_types
= _mesa_hash_table_create(NULL
, record_key_hash
,
1212 record_key_compare
);
1215 const struct hash_entry
*entry
= _mesa_hash_table_search(struct_types
,
1217 if (entry
== NULL
) {
1218 const glsl_type
*t
= new glsl_type(fields
, num_fields
, name
, packed
);
1220 entry
= _mesa_hash_table_insert(struct_types
, t
, (void *) t
);
1223 assert(((glsl_type
*) entry
->data
)->base_type
== GLSL_TYPE_STRUCT
);
1224 assert(((glsl_type
*) entry
->data
)->length
== num_fields
);
1225 assert(strcmp(((glsl_type
*) entry
->data
)->name
, name
) == 0);
1226 assert(((glsl_type
*) entry
->data
)->packed
== packed
);
1228 mtx_unlock(&glsl_type::hash_mutex
);
1230 return (glsl_type
*) entry
->data
;
1235 glsl_type::get_interface_instance(const glsl_struct_field
*fields
,
1236 unsigned num_fields
,
1237 enum glsl_interface_packing packing
,
1239 const char *block_name
)
1241 const glsl_type
key(fields
, num_fields
, packing
, row_major
, block_name
);
1243 mtx_lock(&glsl_type::hash_mutex
);
1244 assert(glsl_type_users
> 0);
1246 if (interface_types
== NULL
) {
1247 interface_types
= _mesa_hash_table_create(NULL
, record_key_hash
,
1248 record_key_compare
);
1251 const struct hash_entry
*entry
= _mesa_hash_table_search(interface_types
,
1253 if (entry
== NULL
) {
1254 const glsl_type
*t
= new glsl_type(fields
, num_fields
,
1255 packing
, row_major
, block_name
);
1257 entry
= _mesa_hash_table_insert(interface_types
, t
, (void *) t
);
1260 assert(((glsl_type
*) entry
->data
)->base_type
== GLSL_TYPE_INTERFACE
);
1261 assert(((glsl_type
*) entry
->data
)->length
== num_fields
);
1262 assert(strcmp(((glsl_type
*) entry
->data
)->name
, block_name
) == 0);
1264 mtx_unlock(&glsl_type::hash_mutex
);
1266 return (glsl_type
*) entry
->data
;
1270 glsl_type::get_subroutine_instance(const char *subroutine_name
)
1272 const glsl_type
key(subroutine_name
);
1274 mtx_lock(&glsl_type::hash_mutex
);
1275 assert(glsl_type_users
> 0);
1277 if (subroutine_types
== NULL
) {
1278 subroutine_types
= _mesa_hash_table_create(NULL
, record_key_hash
,
1279 record_key_compare
);
1282 const struct hash_entry
*entry
= _mesa_hash_table_search(subroutine_types
,
1284 if (entry
== NULL
) {
1285 const glsl_type
*t
= new glsl_type(subroutine_name
);
1287 entry
= _mesa_hash_table_insert(subroutine_types
, t
, (void *) t
);
1290 assert(((glsl_type
*) entry
->data
)->base_type
== GLSL_TYPE_SUBROUTINE
);
1291 assert(strcmp(((glsl_type
*) entry
->data
)->name
, subroutine_name
) == 0);
1293 mtx_unlock(&glsl_type::hash_mutex
);
1295 return (glsl_type
*) entry
->data
;
1300 function_key_compare(const void *a
, const void *b
)
1302 const glsl_type
*const key1
= (glsl_type
*) a
;
1303 const glsl_type
*const key2
= (glsl_type
*) b
;
1305 if (key1
->length
!= key2
->length
)
1308 return memcmp(key1
->fields
.parameters
, key2
->fields
.parameters
,
1309 (key1
->length
+ 1) * sizeof(*key1
->fields
.parameters
)) == 0;
1314 function_key_hash(const void *a
)
1316 const glsl_type
*const key
= (glsl_type
*) a
;
1317 return _mesa_hash_data(key
->fields
.parameters
,
1318 (key
->length
+ 1) * sizeof(*key
->fields
.parameters
));
1322 glsl_type::get_function_instance(const glsl_type
*return_type
,
1323 const glsl_function_param
*params
,
1324 unsigned num_params
)
1326 const glsl_type
key(return_type
, params
, num_params
);
1328 mtx_lock(&glsl_type::hash_mutex
);
1329 assert(glsl_type_users
> 0);
1331 if (function_types
== NULL
) {
1332 function_types
= _mesa_hash_table_create(NULL
, function_key_hash
,
1333 function_key_compare
);
1336 struct hash_entry
*entry
= _mesa_hash_table_search(function_types
, &key
);
1337 if (entry
== NULL
) {
1338 const glsl_type
*t
= new glsl_type(return_type
, params
, num_params
);
1340 entry
= _mesa_hash_table_insert(function_types
, t
, (void *) t
);
1343 const glsl_type
*t
= (const glsl_type
*)entry
->data
;
1345 assert(t
->base_type
== GLSL_TYPE_FUNCTION
);
1346 assert(t
->length
== num_params
);
1348 mtx_unlock(&glsl_type::hash_mutex
);
1355 glsl_type::get_mul_type(const glsl_type
*type_a
, const glsl_type
*type_b
)
1357 if (type_a
->is_matrix() && type_b
->is_matrix()) {
1358 /* Matrix multiply. The columns of A must match the rows of B. Given
1359 * the other previously tested constraints, this means the vector type
1360 * of a row from A must be the same as the vector type of a column from
1363 if (type_a
->row_type() == type_b
->column_type()) {
1364 /* The resulting matrix has the number of columns of matrix B and
1365 * the number of rows of matrix A. We get the row count of A by
1366 * looking at the size of a vector that makes up a column. The
1367 * transpose (size of a row) is done for B.
1369 const glsl_type
*const type
=
1370 get_instance(type_a
->base_type
,
1371 type_a
->column_type()->vector_elements
,
1372 type_b
->row_type()->vector_elements
);
1373 assert(type
!= error_type
);
1377 } else if (type_a
== type_b
) {
1379 } else if (type_a
->is_matrix()) {
1380 /* A is a matrix and B is a column vector. Columns of A must match
1381 * rows of B. Given the other previously tested constraints, this
1382 * means the vector type of a row from A must be the same as the
1383 * vector the type of B.
1385 if (type_a
->row_type() == type_b
) {
1386 /* The resulting vector has a number of elements equal to
1387 * the number of rows of matrix A. */
1388 const glsl_type
*const type
=
1389 get_instance(type_a
->base_type
,
1390 type_a
->column_type()->vector_elements
,
1392 assert(type
!= error_type
);
1397 assert(type_b
->is_matrix());
1399 /* A is a row vector and B is a matrix. Columns of A must match rows
1400 * of B. Given the other previously tested constraints, this means
1401 * the type of A must be the same as the vector type of a column from
1404 if (type_a
== type_b
->column_type()) {
1405 /* The resulting vector has a number of elements equal to
1406 * the number of columns of matrix B. */
1407 const glsl_type
*const type
=
1408 get_instance(type_a
->base_type
,
1409 type_b
->row_type()->vector_elements
,
1411 assert(type
!= error_type
);
1422 glsl_type::field_type(const char *name
) const
1424 if (this->base_type
!= GLSL_TYPE_STRUCT
1425 && this->base_type
!= GLSL_TYPE_INTERFACE
)
1428 for (unsigned i
= 0; i
< this->length
; i
++) {
1429 if (strcmp(name
, this->fields
.structure
[i
].name
) == 0)
1430 return this->fields
.structure
[i
].type
;
1438 glsl_type::field_index(const char *name
) const
1440 if (this->base_type
!= GLSL_TYPE_STRUCT
1441 && this->base_type
!= GLSL_TYPE_INTERFACE
)
1444 for (unsigned i
= 0; i
< this->length
; i
++) {
1445 if (strcmp(name
, this->fields
.structure
[i
].name
) == 0)
1454 glsl_type::component_slots() const
1456 switch (this->base_type
) {
1457 case GLSL_TYPE_UINT
:
1459 case GLSL_TYPE_UINT8
:
1460 case GLSL_TYPE_INT8
:
1461 case GLSL_TYPE_UINT16
:
1462 case GLSL_TYPE_INT16
:
1463 case GLSL_TYPE_FLOAT
:
1464 case GLSL_TYPE_FLOAT16
:
1465 case GLSL_TYPE_BOOL
:
1466 return this->components();
1468 case GLSL_TYPE_DOUBLE
:
1469 case GLSL_TYPE_UINT64
:
1470 case GLSL_TYPE_INT64
:
1471 return 2 * this->components();
1473 case GLSL_TYPE_STRUCT
:
1474 case GLSL_TYPE_INTERFACE
: {
1477 for (unsigned i
= 0; i
< this->length
; i
++)
1478 size
+= this->fields
.structure
[i
].type
->component_slots();
1483 case GLSL_TYPE_ARRAY
:
1484 return this->length
* this->fields
.array
->component_slots();
1486 case GLSL_TYPE_SAMPLER
:
1487 case GLSL_TYPE_IMAGE
:
1490 case GLSL_TYPE_SUBROUTINE
:
1493 case GLSL_TYPE_FUNCTION
:
1494 case GLSL_TYPE_ATOMIC_UINT
:
1495 case GLSL_TYPE_VOID
:
1496 case GLSL_TYPE_ERROR
:
1504 glsl_type::struct_location_offset(unsigned length
) const
1506 unsigned offset
= 0;
1507 const glsl_type
*t
= this->without_array();
1508 if (t
->is_struct()) {
1509 assert(length
<= t
->length
);
1511 for (unsigned i
= 0; i
< length
; i
++) {
1512 const glsl_type
*st
= t
->fields
.structure
[i
].type
;
1513 const glsl_type
*wa
= st
->without_array();
1514 if (wa
->is_struct()) {
1515 unsigned r_offset
= wa
->struct_location_offset(wa
->length
);
1516 offset
+= st
->is_array() ?
1517 st
->arrays_of_arrays_size() * r_offset
: r_offset
;
1518 } else if (st
->is_array() && st
->fields
.array
->is_array()) {
1519 unsigned outer_array_size
= st
->length
;
1520 const glsl_type
*base_type
= st
->fields
.array
;
1522 /* For arrays of arrays the outer arrays take up a uniform
1523 * slot for each element. The innermost array elements share a
1524 * single slot so we ignore the innermost array when calculating
1527 while (base_type
->fields
.array
->is_array()) {
1528 outer_array_size
= outer_array_size
* base_type
->length
;
1529 base_type
= base_type
->fields
.array
;
1531 offset
+= outer_array_size
;
1533 /* We dont worry about arrays here because unless the array
1534 * contains a structure or another array it only takes up a single
1545 glsl_type::uniform_locations() const
1549 switch (this->base_type
) {
1550 case GLSL_TYPE_UINT
:
1552 case GLSL_TYPE_FLOAT
:
1553 case GLSL_TYPE_FLOAT16
:
1554 case GLSL_TYPE_DOUBLE
:
1555 case GLSL_TYPE_UINT16
:
1556 case GLSL_TYPE_UINT8
:
1557 case GLSL_TYPE_INT16
:
1558 case GLSL_TYPE_INT8
:
1559 case GLSL_TYPE_UINT64
:
1560 case GLSL_TYPE_INT64
:
1561 case GLSL_TYPE_BOOL
:
1562 case GLSL_TYPE_SAMPLER
:
1563 case GLSL_TYPE_IMAGE
:
1564 case GLSL_TYPE_SUBROUTINE
:
1567 case GLSL_TYPE_STRUCT
:
1568 case GLSL_TYPE_INTERFACE
:
1569 for (unsigned i
= 0; i
< this->length
; i
++)
1570 size
+= this->fields
.structure
[i
].type
->uniform_locations();
1572 case GLSL_TYPE_ARRAY
:
1573 return this->length
* this->fields
.array
->uniform_locations();
1580 glsl_type::varying_count() const
1584 switch (this->base_type
) {
1585 case GLSL_TYPE_UINT
:
1587 case GLSL_TYPE_FLOAT
:
1588 case GLSL_TYPE_FLOAT16
:
1589 case GLSL_TYPE_DOUBLE
:
1590 case GLSL_TYPE_BOOL
:
1591 case GLSL_TYPE_UINT16
:
1592 case GLSL_TYPE_UINT8
:
1593 case GLSL_TYPE_INT16
:
1594 case GLSL_TYPE_INT8
:
1595 case GLSL_TYPE_UINT64
:
1596 case GLSL_TYPE_INT64
:
1599 case GLSL_TYPE_STRUCT
:
1600 case GLSL_TYPE_INTERFACE
:
1601 for (unsigned i
= 0; i
< this->length
; i
++)
1602 size
+= this->fields
.structure
[i
].type
->varying_count();
1604 case GLSL_TYPE_ARRAY
:
1605 /* Don't count innermost array elements */
1606 if (this->without_array()->is_struct() ||
1607 this->without_array()->is_interface() ||
1608 this->fields
.array
->is_array())
1609 return this->length
* this->fields
.array
->varying_count();
1611 return this->fields
.array
->varying_count();
1613 assert(!"unsupported varying type");
1619 glsl_type::can_implicitly_convert_to(const glsl_type
*desired
,
1620 _mesa_glsl_parse_state
*state
) const
1622 if (this == desired
)
1625 /* GLSL 1.10 and ESSL do not allow implicit conversions. If there is no
1626 * state, we're doing intra-stage function linking where these checks have
1627 * already been done.
1629 if (state
&& !state
->has_implicit_conversions())
1632 /* There is no conversion among matrix types. */
1633 if (this->matrix_columns
> 1 || desired
->matrix_columns
> 1)
1636 /* Vector size must match. */
1637 if (this->vector_elements
!= desired
->vector_elements
)
1640 /* int and uint can be converted to float. */
1641 if (desired
->is_float() && this->is_integer_32())
1644 /* With GLSL 4.0, ARB_gpu_shader5, or MESA_shader_integer_functions, int
1645 * can be converted to uint. Note that state may be NULL here, when
1646 * resolving function calls in the linker. By this time, all the
1647 * state-dependent checks have already happened though, so allow anything
1648 * that's allowed in any shader version.
1650 if ((!state
|| state
->has_implicit_uint_to_int_conversion()) &&
1651 desired
->base_type
== GLSL_TYPE_UINT
&& this->base_type
== GLSL_TYPE_INT
)
1654 /* No implicit conversions from double. */
1655 if ((!state
|| state
->has_double()) && this->is_double())
1658 /* Conversions from different types to double. */
1659 if ((!state
|| state
->has_double()) && desired
->is_double()) {
1660 if (this->is_float())
1662 if (this->is_integer_32())
1670 glsl_type::std140_base_alignment(bool row_major
) const
1672 unsigned N
= is_64bit() ? 8 : 4;
1674 /* (1) If the member is a scalar consuming <N> basic machine units, the
1675 * base alignment is <N>.
1677 * (2) If the member is a two- or four-component vector with components
1678 * consuming <N> basic machine units, the base alignment is 2<N> or
1679 * 4<N>, respectively.
1681 * (3) If the member is a three-component vector with components consuming
1682 * <N> basic machine units, the base alignment is 4<N>.
1684 if (this->is_scalar() || this->is_vector()) {
1685 switch (this->vector_elements
) {
1696 /* (4) If the member is an array of scalars or vectors, the base alignment
1697 * and array stride are set to match the base alignment of a single
1698 * array element, according to rules (1), (2), and (3), and rounded up
1699 * to the base alignment of a vec4. The array may have padding at the
1700 * end; the base offset of the member following the array is rounded up
1701 * to the next multiple of the base alignment.
1703 * (6) If the member is an array of <S> column-major matrices with <C>
1704 * columns and <R> rows, the matrix is stored identically to a row of
1705 * <S>*<C> column vectors with <R> components each, according to rule
1708 * (8) If the member is an array of <S> row-major matrices with <C> columns
1709 * and <R> rows, the matrix is stored identically to a row of <S>*<R>
1710 * row vectors with <C> components each, according to rule (4).
1712 * (10) If the member is an array of <S> structures, the <S> elements of
1713 * the array are laid out in order, according to rule (9).
1715 if (this->is_array()) {
1716 if (this->fields
.array
->is_scalar() ||
1717 this->fields
.array
->is_vector() ||
1718 this->fields
.array
->is_matrix()) {
1719 return MAX2(this->fields
.array
->std140_base_alignment(row_major
), 16);
1721 assert(this->fields
.array
->is_struct() ||
1722 this->fields
.array
->is_array());
1723 return this->fields
.array
->std140_base_alignment(row_major
);
1727 /* (5) If the member is a column-major matrix with <C> columns and
1728 * <R> rows, the matrix is stored identically to an array of
1729 * <C> column vectors with <R> components each, according to
1732 * (7) If the member is a row-major matrix with <C> columns and <R>
1733 * rows, the matrix is stored identically to an array of <R>
1734 * row vectors with <C> components each, according to rule (4).
1736 if (this->is_matrix()) {
1737 const struct glsl_type
*vec_type
, *array_type
;
1738 int c
= this->matrix_columns
;
1739 int r
= this->vector_elements
;
1742 vec_type
= get_instance(base_type
, c
, 1);
1743 array_type
= glsl_type::get_array_instance(vec_type
, r
);
1745 vec_type
= get_instance(base_type
, r
, 1);
1746 array_type
= glsl_type::get_array_instance(vec_type
, c
);
1749 return array_type
->std140_base_alignment(false);
1752 /* (9) If the member is a structure, the base alignment of the
1753 * structure is <N>, where <N> is the largest base alignment
1754 * value of any of its members, and rounded up to the base
1755 * alignment of a vec4. The individual members of this
1756 * sub-structure are then assigned offsets by applying this set
1757 * of rules recursively, where the base offset of the first
1758 * member of the sub-structure is equal to the aligned offset
1759 * of the structure. The structure may have padding at the end;
1760 * the base offset of the member following the sub-structure is
1761 * rounded up to the next multiple of the base alignment of the
1764 if (this->is_struct()) {
1765 unsigned base_alignment
= 16;
1766 for (unsigned i
= 0; i
< this->length
; i
++) {
1767 bool field_row_major
= row_major
;
1768 const enum glsl_matrix_layout matrix_layout
=
1769 glsl_matrix_layout(this->fields
.structure
[i
].matrix_layout
);
1770 if (matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
1771 field_row_major
= true;
1772 } else if (matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
1773 field_row_major
= false;
1776 const struct glsl_type
*field_type
= this->fields
.structure
[i
].type
;
1777 base_alignment
= MAX2(base_alignment
,
1778 field_type
->std140_base_alignment(field_row_major
));
1780 return base_alignment
;
1783 assert(!"not reached");
1788 glsl_type::std140_size(bool row_major
) const
1790 unsigned N
= is_64bit() ? 8 : 4;
1792 /* (1) If the member is a scalar consuming <N> basic machine units, the
1793 * base alignment is <N>.
1795 * (2) If the member is a two- or four-component vector with components
1796 * consuming <N> basic machine units, the base alignment is 2<N> or
1797 * 4<N>, respectively.
1799 * (3) If the member is a three-component vector with components consuming
1800 * <N> basic machine units, the base alignment is 4<N>.
1802 if (this->is_scalar() || this->is_vector()) {
1803 assert(this->explicit_stride
== 0);
1804 return this->vector_elements
* N
;
1807 /* (5) If the member is a column-major matrix with <C> columns and
1808 * <R> rows, the matrix is stored identically to an array of
1809 * <C> column vectors with <R> components each, according to
1812 * (6) If the member is an array of <S> column-major matrices with <C>
1813 * columns and <R> rows, the matrix is stored identically to a row of
1814 * <S>*<C> column vectors with <R> components each, according to rule
1817 * (7) If the member is a row-major matrix with <C> columns and <R>
1818 * rows, the matrix is stored identically to an array of <R>
1819 * row vectors with <C> components each, according to rule (4).
1821 * (8) If the member is an array of <S> row-major matrices with <C> columns
1822 * and <R> rows, the matrix is stored identically to a row of <S>*<R>
1823 * row vectors with <C> components each, according to rule (4).
1825 if (this->without_array()->is_matrix()) {
1826 const struct glsl_type
*element_type
;
1827 const struct glsl_type
*vec_type
;
1828 unsigned int array_len
;
1830 if (this->is_array()) {
1831 element_type
= this->without_array();
1832 array_len
= this->arrays_of_arrays_size();
1834 element_type
= this;
1839 vec_type
= get_instance(element_type
->base_type
,
1840 element_type
->matrix_columns
, 1);
1842 array_len
*= element_type
->vector_elements
;
1844 vec_type
= get_instance(element_type
->base_type
,
1845 element_type
->vector_elements
, 1);
1846 array_len
*= element_type
->matrix_columns
;
1848 const glsl_type
*array_type
= glsl_type::get_array_instance(vec_type
,
1851 return array_type
->std140_size(false);
1854 /* (4) If the member is an array of scalars or vectors, the base alignment
1855 * and array stride are set to match the base alignment of a single
1856 * array element, according to rules (1), (2), and (3), and rounded up
1857 * to the base alignment of a vec4. The array may have padding at the
1858 * end; the base offset of the member following the array is rounded up
1859 * to the next multiple of the base alignment.
1861 * (10) If the member is an array of <S> structures, the <S> elements of
1862 * the array are laid out in order, according to rule (9).
1864 if (this->is_array()) {
1866 if (this->without_array()->is_struct()) {
1867 stride
= this->without_array()->std140_size(row_major
);
1869 unsigned element_base_align
=
1870 this->without_array()->std140_base_alignment(row_major
);
1871 stride
= MAX2(element_base_align
, 16);
1874 unsigned size
= this->arrays_of_arrays_size() * stride
;
1875 assert(this->explicit_stride
== 0 ||
1876 size
== this->length
* this->explicit_stride
);
1880 /* (9) If the member is a structure, the base alignment of the
1881 * structure is <N>, where <N> is the largest base alignment
1882 * value of any of its members, and rounded up to the base
1883 * alignment of a vec4. The individual members of this
1884 * sub-structure are then assigned offsets by applying this set
1885 * of rules recursively, where the base offset of the first
1886 * member of the sub-structure is equal to the aligned offset
1887 * of the structure. The structure may have padding at the end;
1888 * the base offset of the member following the sub-structure is
1889 * rounded up to the next multiple of the base alignment of the
1892 if (this->is_struct() || this->is_interface()) {
1894 unsigned max_align
= 0;
1896 for (unsigned i
= 0; i
< this->length
; i
++) {
1897 bool field_row_major
= row_major
;
1898 const enum glsl_matrix_layout matrix_layout
=
1899 glsl_matrix_layout(this->fields
.structure
[i
].matrix_layout
);
1900 if (matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
1901 field_row_major
= true;
1902 } else if (matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
1903 field_row_major
= false;
1906 const struct glsl_type
*field_type
= this->fields
.structure
[i
].type
;
1907 unsigned align
= field_type
->std140_base_alignment(field_row_major
);
1909 /* Ignore unsized arrays when calculating size */
1910 if (field_type
->is_unsized_array())
1913 size
= glsl_align(size
, align
);
1914 size
+= field_type
->std140_size(field_row_major
);
1916 max_align
= MAX2(align
, max_align
);
1918 if (field_type
->is_struct() && (i
+ 1 < this->length
))
1919 size
= glsl_align(size
, 16);
1921 size
= glsl_align(size
, MAX2(max_align
, 16));
1925 assert(!"not reached");
1930 glsl_type::get_explicit_std140_type(bool row_major
) const
1932 if (this->is_vector() || this->is_scalar()) {
1934 } else if (this->is_matrix()) {
1935 const glsl_type
*vec_type
;
1937 vec_type
= get_instance(this->base_type
, this->matrix_columns
, 1);
1939 vec_type
= get_instance(this->base_type
, this->vector_elements
, 1);
1940 unsigned elem_size
= vec_type
->std140_size(false);
1941 unsigned stride
= glsl_align(elem_size
, 16);
1942 return get_instance(this->base_type
, this->vector_elements
,
1943 this->matrix_columns
, stride
, row_major
);
1944 } else if (this->is_array()) {
1945 unsigned elem_size
= this->fields
.array
->std140_size(row_major
);
1946 const glsl_type
*elem_type
=
1947 this->fields
.array
->get_explicit_std140_type(row_major
);
1948 unsigned stride
= glsl_align(elem_size
, 16);
1949 return get_array_instance(elem_type
, this->length
, stride
);
1950 } else if (this->is_struct() || this->is_interface()) {
1951 glsl_struct_field
*fields
= new glsl_struct_field
[this->length
];
1952 unsigned offset
= 0;
1953 for (unsigned i
= 0; i
< length
; i
++) {
1954 fields
[i
] = this->fields
.structure
[i
];
1956 bool field_row_major
= row_major
;
1957 if (fields
[i
].matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
1958 field_row_major
= false;
1959 } else if (fields
[i
].matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
1960 field_row_major
= true;
1963 fields
[i
].type
->get_explicit_std140_type(field_row_major
);
1965 unsigned fsize
= fields
[i
].type
->std140_size(field_row_major
);
1966 unsigned falign
= fields
[i
].type
->std140_base_alignment(field_row_major
);
1967 /* From the GLSL 460 spec section "Uniform and Shader Storage Block
1968 * Layout Qualifiers":
1970 * "The actual offset of a member is computed as follows: If
1971 * offset was declared, start with that offset, otherwise start
1972 * with the next available offset. If the resulting offset is not
1973 * a multiple of the actual alignment, increase it to the first
1974 * offset that is a multiple of the actual alignment. This results
1975 * in the actual offset the member will have."
1977 if (fields
[i
].offset
>= 0) {
1978 assert((unsigned)fields
[i
].offset
>= offset
);
1979 offset
= fields
[i
].offset
;
1981 offset
= glsl_align(offset
, falign
);
1982 fields
[i
].offset
= offset
;
1986 const glsl_type
*type
;
1987 if (this->is_struct())
1988 type
= get_struct_instance(fields
, this->length
, this->name
);
1990 type
= get_interface_instance(fields
, this->length
,
1991 (enum glsl_interface_packing
)this->interface_packing
,
1992 this->interface_row_major
,
1998 unreachable("Invalid type for UBO or SSBO");
2003 glsl_type::std430_base_alignment(bool row_major
) const
2006 unsigned N
= is_64bit() ? 8 : 4;
2008 /* (1) If the member is a scalar consuming <N> basic machine units, the
2009 * base alignment is <N>.
2011 * (2) If the member is a two- or four-component vector with components
2012 * consuming <N> basic machine units, the base alignment is 2<N> or
2013 * 4<N>, respectively.
2015 * (3) If the member is a three-component vector with components consuming
2016 * <N> basic machine units, the base alignment is 4<N>.
2018 if (this->is_scalar() || this->is_vector()) {
2019 switch (this->vector_elements
) {
2030 /* OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout":
2032 * "When using the std430 storage layout, shader storage blocks will be
2033 * laid out in buffer storage identically to uniform and shader storage
2034 * blocks using the std140 layout, except that the base alignment and
2035 * stride of arrays of scalars and vectors in rule 4 and of structures
2036 * in rule 9 are not rounded up a multiple of the base alignment of a vec4.
2039 /* (1) If the member is a scalar consuming <N> basic machine units, the
2040 * base alignment is <N>.
2042 * (2) If the member is a two- or four-component vector with components
2043 * consuming <N> basic machine units, the base alignment is 2<N> or
2044 * 4<N>, respectively.
2046 * (3) If the member is a three-component vector with components consuming
2047 * <N> basic machine units, the base alignment is 4<N>.
2049 if (this->is_array())
2050 return this->fields
.array
->std430_base_alignment(row_major
);
2052 /* (5) If the member is a column-major matrix with <C> columns and
2053 * <R> rows, the matrix is stored identically to an array of
2054 * <C> column vectors with <R> components each, according to
2057 * (7) If the member is a row-major matrix with <C> columns and <R>
2058 * rows, the matrix is stored identically to an array of <R>
2059 * row vectors with <C> components each, according to rule (4).
2061 if (this->is_matrix()) {
2062 const struct glsl_type
*vec_type
, *array_type
;
2063 int c
= this->matrix_columns
;
2064 int r
= this->vector_elements
;
2067 vec_type
= get_instance(base_type
, c
, 1);
2068 array_type
= glsl_type::get_array_instance(vec_type
, r
);
2070 vec_type
= get_instance(base_type
, r
, 1);
2071 array_type
= glsl_type::get_array_instance(vec_type
, c
);
2074 return array_type
->std430_base_alignment(false);
2077 /* (9) If the member is a structure, the base alignment of the
2078 * structure is <N>, where <N> is the largest base alignment
2079 * value of any of its members, and rounded up to the base
2080 * alignment of a vec4. The individual members of this
2081 * sub-structure are then assigned offsets by applying this set
2082 * of rules recursively, where the base offset of the first
2083 * member of the sub-structure is equal to the aligned offset
2084 * of the structure. The structure may have padding at the end;
2085 * the base offset of the member following the sub-structure is
2086 * rounded up to the next multiple of the base alignment of the
2089 if (this->is_struct()) {
2090 unsigned base_alignment
= 0;
2091 for (unsigned i
= 0; i
< this->length
; i
++) {
2092 bool field_row_major
= row_major
;
2093 const enum glsl_matrix_layout matrix_layout
=
2094 glsl_matrix_layout(this->fields
.structure
[i
].matrix_layout
);
2095 if (matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
2096 field_row_major
= true;
2097 } else if (matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
2098 field_row_major
= false;
2101 const struct glsl_type
*field_type
= this->fields
.structure
[i
].type
;
2102 base_alignment
= MAX2(base_alignment
,
2103 field_type
->std430_base_alignment(field_row_major
));
2105 assert(base_alignment
> 0);
2106 return base_alignment
;
2108 assert(!"not reached");
2113 glsl_type::std430_array_stride(bool row_major
) const
2115 unsigned N
= is_64bit() ? 8 : 4;
2117 /* Notice that the array stride of a vec3 is not 3 * N but 4 * N.
2118 * See OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout"
2120 * (3) If the member is a three-component vector with components consuming
2121 * <N> basic machine units, the base alignment is 4<N>.
2123 if (this->is_vector() && this->vector_elements
== 3)
2126 /* By default use std430_size(row_major) */
2127 unsigned stride
= this->std430_size(row_major
);
2128 assert(this->explicit_stride
== 0 || this->explicit_stride
== stride
);
2132 /* Note that the value returned by this method is only correct if the
2133 * explit offset, and stride values are set, so only with SPIR-V shaders.
2134 * Should not be used with GLSL shaders.
2138 glsl_type::explicit_size(bool align_to_stride
) const
2140 if (this->is_struct() || this->is_interface()) {
2141 if (this->length
> 0) {
2144 for (unsigned i
= 0; i
< this->length
; i
++) {
2145 assert(this->fields
.structure
[i
].offset
>= 0);
2146 unsigned last_byte
= this->fields
.structure
[i
].offset
+
2147 this->fields
.structure
[i
].type
->explicit_size();
2148 size
= MAX2(size
, last_byte
);
2155 } else if (this->is_array()) {
2156 /* From ARB_program_interface_query spec:
2158 * "For the property of BUFFER_DATA_SIZE, then the implementation-dependent
2159 * minimum total buffer object size, in basic machine units, required to
2160 * hold all active variables associated with an active uniform block, shader
2161 * storage block, or atomic counter buffer is written to <params>. If the
2162 * final member of an active shader storage block is array with no declared
2163 * size, the minimum buffer size is computed assuming the array was declared
2164 * as an array with one element."
2167 if (this->is_unsized_array())
2168 return this->explicit_stride
;
2170 assert(this->length
> 0);
2171 unsigned elem_size
= align_to_stride
? this->explicit_stride
: this->fields
.array
->explicit_size();
2172 assert(this->explicit_stride
>= elem_size
);
2174 return this->explicit_stride
* (this->length
- 1) + elem_size
;
2175 } else if (this->is_matrix()) {
2176 const struct glsl_type
*elem_type
;
2179 if (this->interface_row_major
) {
2180 elem_type
= get_instance(this->base_type
,
2181 this->matrix_columns
, 1);
2182 length
= this->vector_elements
;
2184 elem_type
= get_instance(this->base_type
,
2185 this->vector_elements
, 1);
2186 length
= this->matrix_columns
;
2189 unsigned elem_size
= align_to_stride
? this->explicit_stride
: elem_type
->explicit_size();
2191 assert(this->explicit_stride
);
2192 return this->explicit_stride
* (length
- 1) + elem_size
;
2195 unsigned N
= this->bit_size() / 8;
2197 return this->vector_elements
* N
;
2201 glsl_type::std430_size(bool row_major
) const
2203 unsigned N
= is_64bit() ? 8 : 4;
2205 /* OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout":
2207 * "When using the std430 storage layout, shader storage blocks will be
2208 * laid out in buffer storage identically to uniform and shader storage
2209 * blocks using the std140 layout, except that the base alignment and
2210 * stride of arrays of scalars and vectors in rule 4 and of structures
2211 * in rule 9 are not rounded up a multiple of the base alignment of a vec4.
2213 if (this->is_scalar() || this->is_vector()) {
2214 assert(this->explicit_stride
== 0);
2215 return this->vector_elements
* N
;
2218 if (this->without_array()->is_matrix()) {
2219 const struct glsl_type
*element_type
;
2220 const struct glsl_type
*vec_type
;
2221 unsigned int array_len
;
2223 if (this->is_array()) {
2224 element_type
= this->without_array();
2225 array_len
= this->arrays_of_arrays_size();
2227 element_type
= this;
2232 vec_type
= get_instance(element_type
->base_type
,
2233 element_type
->matrix_columns
, 1);
2235 array_len
*= element_type
->vector_elements
;
2237 vec_type
= get_instance(element_type
->base_type
,
2238 element_type
->vector_elements
, 1);
2239 array_len
*= element_type
->matrix_columns
;
2241 const glsl_type
*array_type
= glsl_type::get_array_instance(vec_type
,
2244 return array_type
->std430_size(false);
2247 if (this->is_array()) {
2249 if (this->without_array()->is_struct())
2250 stride
= this->without_array()->std430_size(row_major
);
2252 stride
= this->without_array()->std430_base_alignment(row_major
);
2254 unsigned size
= this->arrays_of_arrays_size() * stride
;
2255 assert(this->explicit_stride
== 0 ||
2256 size
== this->length
* this->explicit_stride
);
2260 if (this->is_struct() || this->is_interface()) {
2262 unsigned max_align
= 0;
2264 for (unsigned i
= 0; i
< this->length
; i
++) {
2265 bool field_row_major
= row_major
;
2266 const enum glsl_matrix_layout matrix_layout
=
2267 glsl_matrix_layout(this->fields
.structure
[i
].matrix_layout
);
2268 if (matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
2269 field_row_major
= true;
2270 } else if (matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
2271 field_row_major
= false;
2274 const struct glsl_type
*field_type
= this->fields
.structure
[i
].type
;
2275 unsigned align
= field_type
->std430_base_alignment(field_row_major
);
2276 size
= glsl_align(size
, align
);
2277 size
+= field_type
->std430_size(field_row_major
);
2279 max_align
= MAX2(align
, max_align
);
2281 size
= glsl_align(size
, max_align
);
2285 assert(!"not reached");
2290 glsl_type::get_explicit_std430_type(bool row_major
) const
2292 if (this->is_vector() || this->is_scalar()) {
2294 } else if (this->is_matrix()) {
2295 const glsl_type
*vec_type
;
2297 vec_type
= get_instance(this->base_type
, this->matrix_columns
, 1);
2299 vec_type
= get_instance(this->base_type
, this->vector_elements
, 1);
2300 unsigned stride
= vec_type
->std430_array_stride(false);
2301 return get_instance(this->base_type
, this->vector_elements
,
2302 this->matrix_columns
, stride
, row_major
);
2303 } else if (this->is_array()) {
2304 const glsl_type
*elem_type
=
2305 this->fields
.array
->get_explicit_std430_type(row_major
);
2306 unsigned stride
= this->fields
.array
->std430_array_stride(row_major
);
2307 return get_array_instance(elem_type
, this->length
, stride
);
2308 } else if (this->is_struct() || this->is_interface()) {
2309 glsl_struct_field
*fields
= new glsl_struct_field
[this->length
];
2310 unsigned offset
= 0;
2311 for (unsigned i
= 0; i
< length
; i
++) {
2312 fields
[i
] = this->fields
.structure
[i
];
2314 bool field_row_major
= row_major
;
2315 if (fields
[i
].matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
2316 field_row_major
= false;
2317 } else if (fields
[i
].matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
2318 field_row_major
= true;
2321 fields
[i
].type
->get_explicit_std430_type(field_row_major
);
2323 unsigned fsize
= fields
[i
].type
->std430_size(field_row_major
);
2324 unsigned falign
= fields
[i
].type
->std430_base_alignment(field_row_major
);
2325 /* From the GLSL 460 spec section "Uniform and Shader Storage Block
2326 * Layout Qualifiers":
2328 * "The actual offset of a member is computed as follows: If
2329 * offset was declared, start with that offset, otherwise start
2330 * with the next available offset. If the resulting offset is not
2331 * a multiple of the actual alignment, increase it to the first
2332 * offset that is a multiple of the actual alignment. This results
2333 * in the actual offset the member will have."
2335 if (fields
[i
].offset
>= 0) {
2336 assert((unsigned)fields
[i
].offset
>= offset
);
2337 offset
= fields
[i
].offset
;
2339 offset
= glsl_align(offset
, falign
);
2340 fields
[i
].offset
= offset
;
2344 const glsl_type
*type
;
2345 if (this->is_struct())
2346 type
= get_struct_instance(fields
, this->length
, this->name
);
2348 type
= get_interface_instance(fields
, this->length
,
2349 (enum glsl_interface_packing
)this->interface_packing
,
2350 this->interface_row_major
,
2356 unreachable("Invalid type for SSBO");
2361 glsl_type::get_explicit_interface_type(bool supports_std430
) const
2363 enum glsl_interface_packing packing
=
2364 this->get_internal_ifc_packing(supports_std430
);
2365 if (packing
== GLSL_INTERFACE_PACKING_STD140
) {
2366 return this->get_explicit_std140_type(this->interface_row_major
);
2368 assert(packing
== GLSL_INTERFACE_PACKING_STD430
);
2369 return this->get_explicit_std430_type(this->interface_row_major
);
2373 /* This differs from get_explicit_std430_type() in that it:
2374 * - can size arrays slightly smaller ("stride * (len - 1) + elem_size" instead
2375 * of "stride * len")
2376 * - consumes a glsl_type_size_align_func which allows 8 and 16-bit values to be
2377 * packed more tightly
2378 * - overrides any struct field offsets but get_explicit_std430_type() tries to
2379 * respect any existing ones
2382 glsl_type::get_explicit_type_for_size_align(glsl_type_size_align_func type_info
,
2383 unsigned *size
, unsigned *alignment
) const
2385 if (this->is_scalar() || this->is_vector()) {
2386 type_info(this, size
, alignment
);
2388 } else if (this->is_array()) {
2389 unsigned elem_size
, elem_align
;
2390 const struct glsl_type
*explicit_element
=
2391 this->fields
.array
->get_explicit_type_for_size_align(type_info
, &elem_size
, &elem_align
);
2393 unsigned stride
= align(elem_size
, elem_align
);
2395 *size
= stride
* (this->length
- 1) + elem_size
;
2396 *alignment
= elem_align
;
2397 return glsl_type::get_array_instance(explicit_element
, this->length
, stride
);
2398 } else if (this->is_struct()) {
2399 struct glsl_struct_field
*fields
= (struct glsl_struct_field
*)
2400 malloc(sizeof(struct glsl_struct_field
) * this->length
);
2404 for (unsigned i
= 0; i
< this->length
; i
++) {
2405 fields
[i
] = this->fields
.structure
[i
];
2406 assert(fields
[i
].matrix_layout
!= GLSL_MATRIX_LAYOUT_ROW_MAJOR
);
2408 unsigned field_size
, field_align
;
2410 fields
[i
].type
->get_explicit_type_for_size_align(type_info
, &field_size
, &field_align
);
2411 fields
[i
].offset
= align(*size
, field_align
);
2413 *size
= fields
[i
].offset
+ field_size
;
2414 *alignment
= MAX2(*alignment
, field_align
);
2417 const glsl_type
*type
= glsl_type::get_struct_instance(fields
, this->length
, this->name
, false);
2420 } else if (this->is_matrix()) {
2421 unsigned col_size
, col_align
;
2422 type_info(this->column_type(), &col_size
, &col_align
);
2423 unsigned stride
= align(col_size
, col_align
);
2425 *size
= this->matrix_columns
* stride
;
2426 *alignment
= col_align
;
2427 return glsl_type::get_instance(this->base_type
, this->vector_elements
,
2428 this->matrix_columns
, stride
, false);
2430 unreachable("Unhandled type.");
2435 glsl_type::count_attribute_slots(bool is_gl_vertex_input
) const
2437 /* From page 31 (page 37 of the PDF) of the GLSL 1.50 spec:
2439 * "A scalar input counts the same amount against this limit as a vec4,
2440 * so applications may want to consider packing groups of four
2441 * unrelated float inputs together into a vector to better utilize the
2442 * capabilities of the underlying hardware. A matrix input will use up
2443 * multiple locations. The number of locations used will equal the
2444 * number of columns in the matrix."
2446 * The spec does not explicitly say how arrays are counted. However, it
2447 * should be safe to assume the total number of slots consumed by an array
2448 * is the number of entries in the array multiplied by the number of slots
2449 * consumed by a single element of the array.
2451 * The spec says nothing about how structs are counted, because vertex
2452 * attributes are not allowed to be (or contain) structs. However, Mesa
2453 * allows varying structs, the number of varying slots taken up by a
2454 * varying struct is simply equal to the sum of the number of slots taken
2455 * up by each element.
2457 * Doubles are counted different depending on whether they are vertex
2458 * inputs or everything else. Vertex inputs from ARB_vertex_attrib_64bit
2459 * take one location no matter what size they are, otherwise dvec3/4
2460 * take two locations.
2462 switch (this->base_type
) {
2463 case GLSL_TYPE_UINT
:
2465 case GLSL_TYPE_UINT8
:
2466 case GLSL_TYPE_INT8
:
2467 case GLSL_TYPE_UINT16
:
2468 case GLSL_TYPE_INT16
:
2469 case GLSL_TYPE_FLOAT
:
2470 case GLSL_TYPE_FLOAT16
:
2471 case GLSL_TYPE_BOOL
:
2472 case GLSL_TYPE_SAMPLER
:
2473 case GLSL_TYPE_IMAGE
:
2474 return this->matrix_columns
;
2475 case GLSL_TYPE_DOUBLE
:
2476 case GLSL_TYPE_UINT64
:
2477 case GLSL_TYPE_INT64
:
2478 if (this->vector_elements
> 2 && !is_gl_vertex_input
)
2479 return this->matrix_columns
* 2;
2481 return this->matrix_columns
;
2482 case GLSL_TYPE_STRUCT
:
2483 case GLSL_TYPE_INTERFACE
: {
2486 for (unsigned i
= 0; i
< this->length
; i
++) {
2487 const glsl_type
*member_type
= this->fields
.structure
[i
].type
;
2488 size
+= member_type
->count_attribute_slots(is_gl_vertex_input
);
2494 case GLSL_TYPE_ARRAY
: {
2495 const glsl_type
*element
= this->fields
.array
;
2496 return this->length
* element
->count_attribute_slots(is_gl_vertex_input
);
2499 case GLSL_TYPE_SUBROUTINE
:
2502 case GLSL_TYPE_FUNCTION
:
2503 case GLSL_TYPE_ATOMIC_UINT
:
2504 case GLSL_TYPE_VOID
:
2505 case GLSL_TYPE_ERROR
:
2509 assert(!"Unexpected type in count_attribute_slots()");
2515 glsl_type::coordinate_components() const
2519 switch (sampler_dimensionality
) {
2520 case GLSL_SAMPLER_DIM_1D
:
2521 case GLSL_SAMPLER_DIM_BUF
:
2524 case GLSL_SAMPLER_DIM_2D
:
2525 case GLSL_SAMPLER_DIM_RECT
:
2526 case GLSL_SAMPLER_DIM_MS
:
2527 case GLSL_SAMPLER_DIM_EXTERNAL
:
2528 case GLSL_SAMPLER_DIM_SUBPASS
:
2531 case GLSL_SAMPLER_DIM_3D
:
2532 case GLSL_SAMPLER_DIM_CUBE
:
2536 assert(!"Should not get here.");
2541 /* Array textures need an additional component for the array index, except
2542 * for cubemap array images that behave like a 2D array of interleaved
2545 if (sampler_array
&&
2546 !(is_image() && sampler_dimensionality
== GLSL_SAMPLER_DIM_CUBE
))
2553 * Declarations of type flyweights (glsl_type::_foo_type) and
2554 * convenience pointers (glsl_type::foo_type).
2557 #define DECL_TYPE(NAME, ...) \
2558 const glsl_type glsl_type::_##NAME##_type = glsl_type(__VA_ARGS__, #NAME); \
2559 const glsl_type *const glsl_type::NAME##_type = &glsl_type::_##NAME##_type;
2561 #define STRUCT_TYPE(NAME)
2563 #include "compiler/builtin_type_macros.h"
2567 get_struct_type_field_and_pointer_sizes(size_t *s_field_size
,
2568 size_t *s_field_ptrs
)
2570 *s_field_size
= sizeof(glsl_struct_field
);
2572 sizeof(((glsl_struct_field
*)0)->type
) +
2573 sizeof(((glsl_struct_field
*)0)->name
);
2579 unsigned base_type
:5;
2580 unsigned interface_row_major
:1;
2581 unsigned vector_elements
:3;
2582 unsigned matrix_columns
:3;
2583 unsigned explicit_stride
:20;
2586 unsigned base_type
:5;
2587 unsigned dimensionality
:4;
2590 unsigned sampled_type
:2;
2594 unsigned base_type
:5;
2596 unsigned explicit_stride
:14;
2599 unsigned base_type
:5;
2600 unsigned interface_packing_or_packed
:2;
2601 unsigned interface_row_major
:1;
2607 encode_type_to_blob(struct blob
*blob
, const glsl_type
*type
)
2610 blob_write_uint32(blob
, 0);
2614 STATIC_ASSERT(sizeof(union packed_type
) == 4);
2615 union packed_type encoded
;
2617 encoded
.basic
.base_type
= type
->base_type
;
2619 switch (type
->base_type
) {
2620 case GLSL_TYPE_UINT
:
2622 case GLSL_TYPE_FLOAT
:
2623 case GLSL_TYPE_FLOAT16
:
2624 case GLSL_TYPE_DOUBLE
:
2625 case GLSL_TYPE_UINT8
:
2626 case GLSL_TYPE_INT8
:
2627 case GLSL_TYPE_UINT16
:
2628 case GLSL_TYPE_INT16
:
2629 case GLSL_TYPE_UINT64
:
2630 case GLSL_TYPE_INT64
:
2631 case GLSL_TYPE_BOOL
:
2632 encoded
.basic
.interface_row_major
= type
->interface_row_major
;
2633 assert(type
->vector_elements
< 8);
2634 assert(type
->matrix_columns
< 8);
2635 encoded
.basic
.vector_elements
= type
->vector_elements
;
2636 encoded
.basic
.matrix_columns
= type
->matrix_columns
;
2637 encoded
.basic
.explicit_stride
= MIN2(type
->explicit_stride
, 0xfffff);
2638 blob_write_uint32(blob
, encoded
.u32
);
2639 /* If we don't have enough bits for explicit_stride, store it
2642 if (encoded
.basic
.explicit_stride
== 0xfffff)
2643 blob_write_uint32(blob
, type
->explicit_stride
);
2645 case GLSL_TYPE_SAMPLER
:
2646 encoded
.sampler
.dimensionality
= type
->sampler_dimensionality
;
2647 encoded
.sampler
.shadow
= type
->sampler_shadow
;
2648 encoded
.sampler
.array
= type
->sampler_array
;
2649 encoded
.sampler
.sampled_type
= type
->sampled_type
;
2651 case GLSL_TYPE_SUBROUTINE
:
2652 blob_write_uint32(blob
, encoded
.u32
);
2653 blob_write_string(blob
, type
->name
);
2655 case GLSL_TYPE_IMAGE
:
2656 encoded
.sampler
.dimensionality
= type
->sampler_dimensionality
;
2657 encoded
.sampler
.array
= type
->sampler_array
;
2658 encoded
.sampler
.sampled_type
= type
->sampled_type
;
2660 case GLSL_TYPE_ATOMIC_UINT
:
2662 case GLSL_TYPE_ARRAY
:
2663 encoded
.array
.length
= MIN2(type
->length
, 0x1fff);
2664 encoded
.array
.explicit_stride
= MIN2(type
->explicit_stride
, 0x3fff);
2665 blob_write_uint32(blob
, encoded
.u32
);
2666 /* If we don't have enough bits for length or explicit_stride, store it
2669 if (encoded
.array
.length
== 0x1fff)
2670 blob_write_uint32(blob
, type
->length
);
2671 if (encoded
.array
.explicit_stride
== 0x3fff)
2672 blob_write_uint32(blob
, type
->explicit_stride
);
2673 encode_type_to_blob(blob
, type
->fields
.array
);
2675 case GLSL_TYPE_STRUCT
:
2676 case GLSL_TYPE_INTERFACE
:
2677 encoded
.strct
.length
= MIN2(type
->length
, 0xffffff);
2678 if (type
->is_interface()) {
2679 encoded
.strct
.interface_packing_or_packed
= type
->interface_packing
;
2680 encoded
.strct
.interface_row_major
= type
->interface_row_major
;
2682 encoded
.strct
.interface_packing_or_packed
= type
->packed
;
2684 blob_write_uint32(blob
, encoded
.u32
);
2685 blob_write_string(blob
, type
->name
);
2687 /* If we don't have enough bits for length, store it separately. */
2688 if (encoded
.strct
.length
== 0xffffff)
2689 blob_write_uint32(blob
, type
->length
);
2691 size_t s_field_size
, s_field_ptrs
;
2692 get_struct_type_field_and_pointer_sizes(&s_field_size
, &s_field_ptrs
);
2694 for (unsigned i
= 0; i
< type
->length
; i
++) {
2695 encode_type_to_blob(blob
, type
->fields
.structure
[i
].type
);
2696 blob_write_string(blob
, type
->fields
.structure
[i
].name
);
2698 /* Write the struct field skipping the pointers */
2699 blob_write_bytes(blob
,
2700 ((char *)&type
->fields
.structure
[i
]) + s_field_ptrs
,
2701 s_field_size
- s_field_ptrs
);
2704 case GLSL_TYPE_VOID
:
2706 case GLSL_TYPE_ERROR
:
2708 assert(!"Cannot encode type!");
2713 blob_write_uint32(blob
, encoded
.u32
);
2717 decode_type_from_blob(struct blob_reader
*blob
)
2719 union packed_type encoded
;
2720 encoded
.u32
= blob_read_uint32(blob
);
2722 if (encoded
.u32
== 0) {
2726 glsl_base_type base_type
= (glsl_base_type
)encoded
.basic
.base_type
;
2728 switch (base_type
) {
2729 case GLSL_TYPE_UINT
:
2731 case GLSL_TYPE_FLOAT
:
2732 case GLSL_TYPE_FLOAT16
:
2733 case GLSL_TYPE_DOUBLE
:
2734 case GLSL_TYPE_UINT8
:
2735 case GLSL_TYPE_INT8
:
2736 case GLSL_TYPE_UINT16
:
2737 case GLSL_TYPE_INT16
:
2738 case GLSL_TYPE_UINT64
:
2739 case GLSL_TYPE_INT64
:
2740 case GLSL_TYPE_BOOL
: {
2741 unsigned explicit_stride
= encoded
.basic
.explicit_stride
;
2742 if (explicit_stride
== 0xfffff)
2743 explicit_stride
= blob_read_uint32(blob
);
2744 return glsl_type::get_instance(base_type
, encoded
.basic
.vector_elements
,
2745 encoded
.basic
.matrix_columns
,
2747 encoded
.basic
.interface_row_major
);
2749 case GLSL_TYPE_SAMPLER
:
2750 return glsl_type::get_sampler_instance((enum glsl_sampler_dim
)encoded
.sampler
.dimensionality
,
2751 encoded
.sampler
.shadow
,
2752 encoded
.sampler
.array
,
2753 (glsl_base_type
) encoded
.sampler
.sampled_type
);
2754 case GLSL_TYPE_SUBROUTINE
:
2755 return glsl_type::get_subroutine_instance(blob_read_string(blob
));
2756 case GLSL_TYPE_IMAGE
:
2757 return glsl_type::get_image_instance((enum glsl_sampler_dim
)encoded
.sampler
.dimensionality
,
2758 encoded
.sampler
.array
,
2759 (glsl_base_type
) encoded
.sampler
.sampled_type
);
2760 case GLSL_TYPE_ATOMIC_UINT
:
2761 return glsl_type::atomic_uint_type
;
2762 case GLSL_TYPE_ARRAY
: {
2763 unsigned length
= encoded
.array
.length
;
2764 if (length
== 0x1fff)
2765 length
= blob_read_uint32(blob
);
2766 unsigned explicit_stride
= encoded
.array
.explicit_stride
;
2767 if (explicit_stride
== 0x3fff)
2768 explicit_stride
= blob_read_uint32(blob
);
2769 return glsl_type::get_array_instance(decode_type_from_blob(blob
),
2770 length
, explicit_stride
);
2772 case GLSL_TYPE_STRUCT
:
2773 case GLSL_TYPE_INTERFACE
: {
2774 char *name
= blob_read_string(blob
);
2775 unsigned num_fields
= encoded
.strct
.length
;
2776 if (num_fields
== 0xffffff)
2777 num_fields
= blob_read_uint32(blob
);
2779 size_t s_field_size
, s_field_ptrs
;
2780 get_struct_type_field_and_pointer_sizes(&s_field_size
, &s_field_ptrs
);
2782 glsl_struct_field
*fields
=
2783 (glsl_struct_field
*) malloc(s_field_size
* num_fields
);
2784 for (unsigned i
= 0; i
< num_fields
; i
++) {
2785 fields
[i
].type
= decode_type_from_blob(blob
);
2786 fields
[i
].name
= blob_read_string(blob
);
2788 blob_copy_bytes(blob
, ((uint8_t *) &fields
[i
]) + s_field_ptrs
,
2789 s_field_size
- s_field_ptrs
);
2793 if (base_type
== GLSL_TYPE_INTERFACE
) {
2794 enum glsl_interface_packing packing
=
2795 (glsl_interface_packing
) encoded
.strct
.interface_packing_or_packed
;
2796 bool row_major
= encoded
.strct
.interface_row_major
;
2797 t
= glsl_type::get_interface_instance(fields
, num_fields
, packing
,
2800 unsigned packed
= encoded
.strct
.interface_packing_or_packed
;
2801 t
= glsl_type::get_struct_instance(fields
, num_fields
, name
, packed
);
2807 case GLSL_TYPE_VOID
:
2808 return glsl_type::void_type
;
2809 case GLSL_TYPE_ERROR
:
2811 assert(!"Cannot decode type!");
2817 glsl_type::cl_alignment() const
2819 /* vectors unlike arrays are aligned to their size */
2820 if (this->is_scalar() || this->is_vector())
2821 return this->cl_size();
2822 else if (this->is_array())
2823 return this->without_array()->cl_alignment();
2824 else if (this->is_struct()) {
2825 /* Packed Structs are 0x1 aligned despite their size. */
2830 for (unsigned i
= 0; i
< this->length
; ++i
) {
2831 struct glsl_struct_field
&field
= this->fields
.structure
[i
];
2832 res
= MAX2(res
, field
.type
->cl_alignment());
2840 glsl_type::cl_size() const
2842 if (this->is_scalar()) {
2843 return glsl_base_type_get_bit_size(this->base_type
) / 8;
2844 } else if (this->is_vector()) {
2845 unsigned vec_elemns
= this->vector_elements
== 3 ? 4 : this->vector_elements
;
2846 return vec_elemns
* glsl_base_type_get_bit_size(this->base_type
) / 8;
2847 } else if (this->is_array()) {
2848 unsigned size
= this->without_array()->cl_size();
2849 return size
* this->length
;
2850 } else if (this->is_struct()) {
2852 for (unsigned i
= 0; i
< this->length
; ++i
) {
2853 struct glsl_struct_field
&field
= this->fields
.structure
[i
];
2854 /* if a struct is packed, members don't get aligned */
2856 size
= align(size
, field
.type
->cl_alignment());
2857 size
+= field
.type
->cl_size();