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
);
490 assert(glsl_type_users
> 0);
492 /* Do not release glsl_types if they are still used. */
493 if (--glsl_type_users
) {
494 mtx_unlock(&glsl_type::hash_mutex
);
498 if (glsl_type::explicit_matrix_types
!= NULL
) {
499 _mesa_hash_table_destroy(glsl_type::explicit_matrix_types
,
500 hash_free_type_function
);
501 glsl_type::explicit_matrix_types
= NULL
;
504 if (glsl_type::array_types
!= NULL
) {
505 _mesa_hash_table_destroy(glsl_type::array_types
, hash_free_type_function
);
506 glsl_type::array_types
= NULL
;
509 if (glsl_type::struct_types
!= NULL
) {
510 _mesa_hash_table_destroy(glsl_type::struct_types
, hash_free_type_function
);
511 glsl_type::struct_types
= NULL
;
514 if (glsl_type::interface_types
!= NULL
) {
515 _mesa_hash_table_destroy(glsl_type::interface_types
, hash_free_type_function
);
516 glsl_type::interface_types
= NULL
;
519 if (glsl_type::function_types
!= NULL
) {
520 _mesa_hash_table_destroy(glsl_type::function_types
, hash_free_type_function
);
521 glsl_type::function_types
= NULL
;
524 if (glsl_type::subroutine_types
!= NULL
) {
525 _mesa_hash_table_destroy(glsl_type::subroutine_types
, hash_free_type_function
);
526 glsl_type::subroutine_types
= NULL
;
529 mtx_unlock(&glsl_type::hash_mutex
);
533 glsl_type::glsl_type(const glsl_type
*array
, unsigned length
,
534 unsigned explicit_stride
) :
535 base_type(GLSL_TYPE_ARRAY
), sampled_type(GLSL_TYPE_VOID
),
536 sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
537 interface_packing(0), interface_row_major(0), packed(0),
538 vector_elements(0), matrix_columns(0),
539 length(length
), name(NULL
), explicit_stride(explicit_stride
)
541 this->fields
.array
= array
;
542 /* Inherit the gl type of the base. The GL type is used for
543 * uniform/statevar handling in Mesa and the arrayness of the type
544 * is represented by the size rather than the type.
546 this->gl_type
= array
->gl_type
;
548 /* Allow a maximum of 10 characters for the array size. This is enough
549 * for 32-bits of ~0. The extra 3 are for the '[', ']', and terminating
552 const unsigned name_length
= strlen(array
->name
) + 10 + 3;
554 this->mem_ctx
= ralloc_context(NULL
);
555 assert(this->mem_ctx
!= NULL
);
557 char *const n
= (char *) ralloc_size(this->mem_ctx
, name_length
);
560 util_snprintf(n
, name_length
, "%s[]", array
->name
);
562 /* insert outermost dimensions in the correct spot
563 * otherwise the dimension order will be backwards
565 const char *pos
= strchr(array
->name
, '[');
567 int idx
= pos
- array
->name
;
568 util_snprintf(n
, idx
+1, "%s", array
->name
);
569 util_snprintf(n
+ idx
, name_length
- idx
, "[%u]%s",
570 length
, array
->name
+ idx
);
572 util_snprintf(n
, name_length
, "%s[%u]", array
->name
, length
);
580 glsl_type::vec(unsigned components
, const glsl_type
*const ts
[])
582 unsigned n
= components
;
586 else if (components
== 16)
595 #define VECN(components, sname, vname) \
597 glsl_type:: vname (unsigned components) \
599 static const glsl_type *const ts[] = { \
600 sname ## _type, vname ## 2_type, \
601 vname ## 3_type, vname ## 4_type, \
602 vname ## 8_type, vname ## 16_type, \
604 return glsl_type::vec(components, ts); \
607 VECN(components
, float, vec
)
608 VECN(components
, float16_t
, f16vec
)
609 VECN(components
, double, dvec
)
610 VECN(components
, int, ivec
)
611 VECN(components
, uint
, uvec
)
612 VECN(components
, bool, bvec
)
613 VECN(components
, int64_t, i64vec
)
614 VECN(components
, uint64_t, u64vec
)
615 VECN(components
, int16_t, i16vec
)
616 VECN(components
, uint16_t, u16vec
)
617 VECN(components
, int8_t, i8vec
)
618 VECN(components
, uint8_t, u8vec
)
621 glsl_type::get_instance(unsigned base_type
, unsigned rows
, unsigned columns
,
622 unsigned explicit_stride
, bool row_major
)
624 if (base_type
== GLSL_TYPE_VOID
) {
625 assert(explicit_stride
== 0 && !row_major
);
629 /* Matrix and vector types with explicit strides have to be looked up in a
630 * table so they're handled separately.
632 if (explicit_stride
> 0) {
633 const glsl_type
*bare_type
= get_instance(base_type
, rows
, columns
);
635 assert(columns
> 1 || !row_major
);
638 util_snprintf(name
, sizeof(name
), "%sx%uB%s", bare_type
->name
,
639 explicit_stride
, row_major
? "RM" : "");
641 mtx_lock(&glsl_type::hash_mutex
);
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 util_snprintf(key
, sizeof(key
), "%p[%u]x%uB", (void *) base
, array_size
,
1006 mtx_lock(&glsl_type::hash_mutex
);
1008 if (array_types
== NULL
) {
1009 array_types
= _mesa_hash_table_create(NULL
, _mesa_key_hash_string
,
1010 _mesa_key_string_equal
);
1013 const struct hash_entry
*entry
= _mesa_hash_table_search(array_types
, key
);
1014 if (entry
== NULL
) {
1015 const glsl_type
*t
= new glsl_type(base
, array_size
, explicit_stride
);
1017 entry
= _mesa_hash_table_insert(array_types
,
1022 assert(((glsl_type
*) entry
->data
)->base_type
== GLSL_TYPE_ARRAY
);
1023 assert(((glsl_type
*) entry
->data
)->length
== array_size
);
1024 assert(((glsl_type
*) entry
->data
)->fields
.array
== base
);
1026 mtx_unlock(&glsl_type::hash_mutex
);
1028 return (glsl_type
*) entry
->data
;
1032 glsl_type::compare_no_precision(const glsl_type
*b
) const
1037 if (this->is_array()) {
1038 if (!b
->is_array() || this->length
!= b
->length
)
1041 const glsl_type
*b_no_array
= b
->fields
.array
;
1043 return this->fields
.array
->compare_no_precision(b_no_array
);
1046 if (this->is_struct()) {
1047 if (!b
->is_struct())
1049 } else if (this->is_interface()) {
1050 if (!b
->is_interface())
1056 return record_compare(b
,
1057 true, /* match_name */
1058 true, /* match_locations */
1059 false /* match_precision */);
1063 glsl_type::record_compare(const glsl_type
*b
, bool match_name
,
1064 bool match_locations
, bool match_precision
) const
1066 if (this->length
!= b
->length
)
1069 if (this->interface_packing
!= b
->interface_packing
)
1072 if (this->interface_row_major
!= b
->interface_row_major
)
1075 /* From the GLSL 4.20 specification (Sec 4.2):
1077 * "Structures must have the same name, sequence of type names, and
1078 * type definitions, and field names to be considered the same type."
1080 * GLSL ES behaves the same (Ver 1.00 Sec 4.2.4, Ver 3.00 Sec 4.2.5).
1082 * Section 7.4.1 (Shader Interface Matching) of the OpenGL 4.30 spec says:
1084 * "Variables or block members declared as structures are considered
1085 * to match in type if and only if structure members match in name,
1086 * type, qualification, and declaration order."
1089 if (strcmp(this->name
, b
->name
) != 0)
1092 for (unsigned i
= 0; i
< this->length
; i
++) {
1093 if (match_precision
) {
1094 if (this->fields
.structure
[i
].type
!= b
->fields
.structure
[i
].type
)
1097 const glsl_type
*ta
= this->fields
.structure
[i
].type
;
1098 const glsl_type
*tb
= b
->fields
.structure
[i
].type
;
1099 if (!ta
->compare_no_precision(tb
))
1102 if (strcmp(this->fields
.structure
[i
].name
,
1103 b
->fields
.structure
[i
].name
) != 0)
1105 if (this->fields
.structure
[i
].matrix_layout
1106 != b
->fields
.structure
[i
].matrix_layout
)
1108 if (match_locations
&& this->fields
.structure
[i
].location
1109 != b
->fields
.structure
[i
].location
)
1111 if (this->fields
.structure
[i
].offset
1112 != b
->fields
.structure
[i
].offset
)
1114 if (this->fields
.structure
[i
].interpolation
1115 != b
->fields
.structure
[i
].interpolation
)
1117 if (this->fields
.structure
[i
].centroid
1118 != b
->fields
.structure
[i
].centroid
)
1120 if (this->fields
.structure
[i
].sample
1121 != b
->fields
.structure
[i
].sample
)
1123 if (this->fields
.structure
[i
].patch
1124 != b
->fields
.structure
[i
].patch
)
1126 if (this->fields
.structure
[i
].memory_read_only
1127 != b
->fields
.structure
[i
].memory_read_only
)
1129 if (this->fields
.structure
[i
].memory_write_only
1130 != b
->fields
.structure
[i
].memory_write_only
)
1132 if (this->fields
.structure
[i
].memory_coherent
1133 != b
->fields
.structure
[i
].memory_coherent
)
1135 if (this->fields
.structure
[i
].memory_volatile
1136 != b
->fields
.structure
[i
].memory_volatile
)
1138 if (this->fields
.structure
[i
].memory_restrict
1139 != b
->fields
.structure
[i
].memory_restrict
)
1141 if (this->fields
.structure
[i
].image_format
1142 != b
->fields
.structure
[i
].image_format
)
1144 if (match_precision
&&
1145 this->fields
.structure
[i
].precision
1146 != b
->fields
.structure
[i
].precision
)
1148 if (this->fields
.structure
[i
].explicit_xfb_buffer
1149 != b
->fields
.structure
[i
].explicit_xfb_buffer
)
1151 if (this->fields
.structure
[i
].xfb_buffer
1152 != b
->fields
.structure
[i
].xfb_buffer
)
1154 if (this->fields
.structure
[i
].xfb_stride
1155 != b
->fields
.structure
[i
].xfb_stride
)
1164 glsl_type::record_key_compare(const void *a
, const void *b
)
1166 const glsl_type
*const key1
= (glsl_type
*) a
;
1167 const glsl_type
*const key2
= (glsl_type
*) b
;
1169 return strcmp(key1
->name
, key2
->name
) == 0 &&
1170 key1
->record_compare(key2
, true);
1175 * Generate an integer hash value for a glsl_type structure type.
1178 glsl_type::record_key_hash(const void *a
)
1180 const glsl_type
*const key
= (glsl_type
*) a
;
1181 uintptr_t hash
= key
->length
;
1184 for (unsigned i
= 0; i
< key
->length
; i
++) {
1185 /* casting pointer to uintptr_t */
1186 hash
= (hash
* 13 ) + (uintptr_t) key
->fields
.structure
[i
].type
;
1189 if (sizeof(hash
) == 8)
1190 retval
= (hash
& 0xffffffff) ^ ((uint64_t) hash
>> 32);
1199 glsl_type::get_struct_instance(const glsl_struct_field
*fields
,
1200 unsigned num_fields
,
1204 const glsl_type
key(fields
, num_fields
, name
, packed
);
1206 mtx_lock(&glsl_type::hash_mutex
);
1208 if (struct_types
== NULL
) {
1209 struct_types
= _mesa_hash_table_create(NULL
, record_key_hash
,
1210 record_key_compare
);
1213 const struct hash_entry
*entry
= _mesa_hash_table_search(struct_types
,
1215 if (entry
== NULL
) {
1216 const glsl_type
*t
= new glsl_type(fields
, num_fields
, name
, packed
);
1218 entry
= _mesa_hash_table_insert(struct_types
, t
, (void *) t
);
1221 assert(((glsl_type
*) entry
->data
)->base_type
== GLSL_TYPE_STRUCT
);
1222 assert(((glsl_type
*) entry
->data
)->length
== num_fields
);
1223 assert(strcmp(((glsl_type
*) entry
->data
)->name
, name
) == 0);
1224 assert(((glsl_type
*) entry
->data
)->packed
== packed
);
1226 mtx_unlock(&glsl_type::hash_mutex
);
1228 return (glsl_type
*) entry
->data
;
1233 glsl_type::get_interface_instance(const glsl_struct_field
*fields
,
1234 unsigned num_fields
,
1235 enum glsl_interface_packing packing
,
1237 const char *block_name
)
1239 const glsl_type
key(fields
, num_fields
, packing
, row_major
, block_name
);
1241 mtx_lock(&glsl_type::hash_mutex
);
1243 if (interface_types
== NULL
) {
1244 interface_types
= _mesa_hash_table_create(NULL
, record_key_hash
,
1245 record_key_compare
);
1248 const struct hash_entry
*entry
= _mesa_hash_table_search(interface_types
,
1250 if (entry
== NULL
) {
1251 const glsl_type
*t
= new glsl_type(fields
, num_fields
,
1252 packing
, row_major
, block_name
);
1254 entry
= _mesa_hash_table_insert(interface_types
, t
, (void *) t
);
1257 assert(((glsl_type
*) entry
->data
)->base_type
== GLSL_TYPE_INTERFACE
);
1258 assert(((glsl_type
*) entry
->data
)->length
== num_fields
);
1259 assert(strcmp(((glsl_type
*) entry
->data
)->name
, block_name
) == 0);
1261 mtx_unlock(&glsl_type::hash_mutex
);
1263 return (glsl_type
*) entry
->data
;
1267 glsl_type::get_subroutine_instance(const char *subroutine_name
)
1269 const glsl_type
key(subroutine_name
);
1271 mtx_lock(&glsl_type::hash_mutex
);
1273 if (subroutine_types
== NULL
) {
1274 subroutine_types
= _mesa_hash_table_create(NULL
, record_key_hash
,
1275 record_key_compare
);
1278 const struct hash_entry
*entry
= _mesa_hash_table_search(subroutine_types
,
1280 if (entry
== NULL
) {
1281 const glsl_type
*t
= new glsl_type(subroutine_name
);
1283 entry
= _mesa_hash_table_insert(subroutine_types
, t
, (void *) t
);
1286 assert(((glsl_type
*) entry
->data
)->base_type
== GLSL_TYPE_SUBROUTINE
);
1287 assert(strcmp(((glsl_type
*) entry
->data
)->name
, subroutine_name
) == 0);
1289 mtx_unlock(&glsl_type::hash_mutex
);
1291 return (glsl_type
*) entry
->data
;
1296 function_key_compare(const void *a
, const void *b
)
1298 const glsl_type
*const key1
= (glsl_type
*) a
;
1299 const glsl_type
*const key2
= (glsl_type
*) b
;
1301 if (key1
->length
!= key2
->length
)
1304 return memcmp(key1
->fields
.parameters
, key2
->fields
.parameters
,
1305 (key1
->length
+ 1) * sizeof(*key1
->fields
.parameters
)) == 0;
1310 function_key_hash(const void *a
)
1312 const glsl_type
*const key
= (glsl_type
*) a
;
1313 return _mesa_hash_data(key
->fields
.parameters
,
1314 (key
->length
+ 1) * sizeof(*key
->fields
.parameters
));
1318 glsl_type::get_function_instance(const glsl_type
*return_type
,
1319 const glsl_function_param
*params
,
1320 unsigned num_params
)
1322 const glsl_type
key(return_type
, params
, num_params
);
1324 mtx_lock(&glsl_type::hash_mutex
);
1326 if (function_types
== NULL
) {
1327 function_types
= _mesa_hash_table_create(NULL
, function_key_hash
,
1328 function_key_compare
);
1331 struct hash_entry
*entry
= _mesa_hash_table_search(function_types
, &key
);
1332 if (entry
== NULL
) {
1333 const glsl_type
*t
= new glsl_type(return_type
, params
, num_params
);
1335 entry
= _mesa_hash_table_insert(function_types
, t
, (void *) t
);
1338 const glsl_type
*t
= (const glsl_type
*)entry
->data
;
1340 assert(t
->base_type
== GLSL_TYPE_FUNCTION
);
1341 assert(t
->length
== num_params
);
1343 mtx_unlock(&glsl_type::hash_mutex
);
1350 glsl_type::get_mul_type(const glsl_type
*type_a
, const glsl_type
*type_b
)
1352 if (type_a
== type_b
) {
1354 } else if (type_a
->is_matrix() && type_b
->is_matrix()) {
1355 /* Matrix multiply. The columns of A must match the rows of B. Given
1356 * the other previously tested constraints, this means the vector type
1357 * of a row from A must be the same as the vector type of a column from
1360 if (type_a
->row_type() == type_b
->column_type()) {
1361 /* The resulting matrix has the number of columns of matrix B and
1362 * the number of rows of matrix A. We get the row count of A by
1363 * looking at the size of a vector that makes up a column. The
1364 * transpose (size of a row) is done for B.
1366 const glsl_type
*const type
=
1367 get_instance(type_a
->base_type
,
1368 type_a
->column_type()->vector_elements
,
1369 type_b
->row_type()->vector_elements
);
1370 assert(type
!= error_type
);
1374 } else if (type_a
->is_matrix()) {
1375 /* A is a matrix and B is a column vector. Columns of A must match
1376 * rows of B. Given the other previously tested constraints, this
1377 * means the vector type of a row from A must be the same as the
1378 * vector the type of B.
1380 if (type_a
->row_type() == type_b
) {
1381 /* The resulting vector has a number of elements equal to
1382 * the number of rows of matrix A. */
1383 const glsl_type
*const type
=
1384 get_instance(type_a
->base_type
,
1385 type_a
->column_type()->vector_elements
,
1387 assert(type
!= error_type
);
1392 assert(type_b
->is_matrix());
1394 /* A is a row vector and B is a matrix. Columns of A must match rows
1395 * of B. Given the other previously tested constraints, this means
1396 * the type of A must be the same as the vector type of a column from
1399 if (type_a
== type_b
->column_type()) {
1400 /* The resulting vector has a number of elements equal to
1401 * the number of columns of matrix B. */
1402 const glsl_type
*const type
=
1403 get_instance(type_a
->base_type
,
1404 type_b
->row_type()->vector_elements
,
1406 assert(type
!= error_type
);
1417 glsl_type::field_type(const char *name
) const
1419 if (this->base_type
!= GLSL_TYPE_STRUCT
1420 && this->base_type
!= GLSL_TYPE_INTERFACE
)
1423 for (unsigned i
= 0; i
< this->length
; i
++) {
1424 if (strcmp(name
, this->fields
.structure
[i
].name
) == 0)
1425 return this->fields
.structure
[i
].type
;
1433 glsl_type::field_index(const char *name
) const
1435 if (this->base_type
!= GLSL_TYPE_STRUCT
1436 && this->base_type
!= GLSL_TYPE_INTERFACE
)
1439 for (unsigned i
= 0; i
< this->length
; i
++) {
1440 if (strcmp(name
, this->fields
.structure
[i
].name
) == 0)
1449 glsl_type::component_slots() const
1451 switch (this->base_type
) {
1452 case GLSL_TYPE_UINT
:
1454 case GLSL_TYPE_UINT8
:
1455 case GLSL_TYPE_INT8
:
1456 case GLSL_TYPE_UINT16
:
1457 case GLSL_TYPE_INT16
:
1458 case GLSL_TYPE_FLOAT
:
1459 case GLSL_TYPE_FLOAT16
:
1460 case GLSL_TYPE_BOOL
:
1461 return this->components();
1463 case GLSL_TYPE_DOUBLE
:
1464 case GLSL_TYPE_UINT64
:
1465 case GLSL_TYPE_INT64
:
1466 return 2 * this->components();
1468 case GLSL_TYPE_STRUCT
:
1469 case GLSL_TYPE_INTERFACE
: {
1472 for (unsigned i
= 0; i
< this->length
; i
++)
1473 size
+= this->fields
.structure
[i
].type
->component_slots();
1478 case GLSL_TYPE_ARRAY
:
1479 return this->length
* this->fields
.array
->component_slots();
1481 case GLSL_TYPE_SAMPLER
:
1482 case GLSL_TYPE_IMAGE
:
1485 case GLSL_TYPE_SUBROUTINE
:
1488 case GLSL_TYPE_FUNCTION
:
1489 case GLSL_TYPE_ATOMIC_UINT
:
1490 case GLSL_TYPE_VOID
:
1491 case GLSL_TYPE_ERROR
:
1499 glsl_type::struct_location_offset(unsigned length
) const
1501 unsigned offset
= 0;
1502 const glsl_type
*t
= this->without_array();
1503 if (t
->is_struct()) {
1504 assert(length
<= t
->length
);
1506 for (unsigned i
= 0; i
< length
; i
++) {
1507 const glsl_type
*st
= t
->fields
.structure
[i
].type
;
1508 const glsl_type
*wa
= st
->without_array();
1509 if (wa
->is_struct()) {
1510 unsigned r_offset
= wa
->struct_location_offset(wa
->length
);
1511 offset
+= st
->is_array() ?
1512 st
->arrays_of_arrays_size() * r_offset
: r_offset
;
1513 } else if (st
->is_array() && st
->fields
.array
->is_array()) {
1514 unsigned outer_array_size
= st
->length
;
1515 const glsl_type
*base_type
= st
->fields
.array
;
1517 /* For arrays of arrays the outer arrays take up a uniform
1518 * slot for each element. The innermost array elements share a
1519 * single slot so we ignore the innermost array when calculating
1522 while (base_type
->fields
.array
->is_array()) {
1523 outer_array_size
= outer_array_size
* base_type
->length
;
1524 base_type
= base_type
->fields
.array
;
1526 offset
+= outer_array_size
;
1528 /* We dont worry about arrays here because unless the array
1529 * contains a structure or another array it only takes up a single
1540 glsl_type::uniform_locations() const
1544 switch (this->base_type
) {
1545 case GLSL_TYPE_UINT
:
1547 case GLSL_TYPE_FLOAT
:
1548 case GLSL_TYPE_FLOAT16
:
1549 case GLSL_TYPE_DOUBLE
:
1550 case GLSL_TYPE_UINT16
:
1551 case GLSL_TYPE_UINT8
:
1552 case GLSL_TYPE_INT16
:
1553 case GLSL_TYPE_INT8
:
1554 case GLSL_TYPE_UINT64
:
1555 case GLSL_TYPE_INT64
:
1556 case GLSL_TYPE_BOOL
:
1557 case GLSL_TYPE_SAMPLER
:
1558 case GLSL_TYPE_IMAGE
:
1559 case GLSL_TYPE_SUBROUTINE
:
1562 case GLSL_TYPE_STRUCT
:
1563 case GLSL_TYPE_INTERFACE
:
1564 for (unsigned i
= 0; i
< this->length
; i
++)
1565 size
+= this->fields
.structure
[i
].type
->uniform_locations();
1567 case GLSL_TYPE_ARRAY
:
1568 return this->length
* this->fields
.array
->uniform_locations();
1575 glsl_type::varying_count() const
1579 switch (this->base_type
) {
1580 case GLSL_TYPE_UINT
:
1582 case GLSL_TYPE_FLOAT
:
1583 case GLSL_TYPE_FLOAT16
:
1584 case GLSL_TYPE_DOUBLE
:
1585 case GLSL_TYPE_BOOL
:
1586 case GLSL_TYPE_UINT16
:
1587 case GLSL_TYPE_UINT8
:
1588 case GLSL_TYPE_INT16
:
1589 case GLSL_TYPE_INT8
:
1590 case GLSL_TYPE_UINT64
:
1591 case GLSL_TYPE_INT64
:
1594 case GLSL_TYPE_STRUCT
:
1595 case GLSL_TYPE_INTERFACE
:
1596 for (unsigned i
= 0; i
< this->length
; i
++)
1597 size
+= this->fields
.structure
[i
].type
->varying_count();
1599 case GLSL_TYPE_ARRAY
:
1600 /* Don't count innermost array elements */
1601 if (this->without_array()->is_struct() ||
1602 this->without_array()->is_interface() ||
1603 this->fields
.array
->is_array())
1604 return this->length
* this->fields
.array
->varying_count();
1606 return this->fields
.array
->varying_count();
1608 assert(!"unsupported varying type");
1614 glsl_type::can_implicitly_convert_to(const glsl_type
*desired
,
1615 _mesa_glsl_parse_state
*state
) const
1617 if (this == desired
)
1620 /* GLSL 1.10 and ESSL do not allow implicit conversions. If there is no
1621 * state, we're doing intra-stage function linking where these checks have
1622 * already been done.
1624 if (state
&& !state
->has_implicit_conversions())
1627 /* There is no conversion among matrix types. */
1628 if (this->matrix_columns
> 1 || desired
->matrix_columns
> 1)
1631 /* Vector size must match. */
1632 if (this->vector_elements
!= desired
->vector_elements
)
1635 /* int and uint can be converted to float. */
1636 if (desired
->is_float() && this->is_integer_32())
1639 /* With GLSL 4.0, ARB_gpu_shader5, or MESA_shader_integer_functions, int
1640 * can be converted to uint. Note that state may be NULL here, when
1641 * resolving function calls in the linker. By this time, all the
1642 * state-dependent checks have already happened though, so allow anything
1643 * that's allowed in any shader version.
1645 if ((!state
|| state
->has_implicit_uint_to_int_conversion()) &&
1646 desired
->base_type
== GLSL_TYPE_UINT
&& this->base_type
== GLSL_TYPE_INT
)
1649 /* No implicit conversions from double. */
1650 if ((!state
|| state
->has_double()) && this->is_double())
1653 /* Conversions from different types to double. */
1654 if ((!state
|| state
->has_double()) && desired
->is_double()) {
1655 if (this->is_float())
1657 if (this->is_integer_32())
1665 glsl_type::std140_base_alignment(bool row_major
) const
1667 unsigned N
= is_64bit() ? 8 : 4;
1669 /* (1) If the member is a scalar consuming <N> basic machine units, the
1670 * base alignment is <N>.
1672 * (2) If the member is a two- or four-component vector with components
1673 * consuming <N> basic machine units, the base alignment is 2<N> or
1674 * 4<N>, respectively.
1676 * (3) If the member is a three-component vector with components consuming
1677 * <N> basic machine units, the base alignment is 4<N>.
1679 if (this->is_scalar() || this->is_vector()) {
1680 switch (this->vector_elements
) {
1691 /* (4) If the member is an array of scalars or vectors, the base alignment
1692 * and array stride are set to match the base alignment of a single
1693 * array element, according to rules (1), (2), and (3), and rounded up
1694 * to the base alignment of a vec4. The array may have padding at the
1695 * end; the base offset of the member following the array is rounded up
1696 * to the next multiple of the base alignment.
1698 * (6) If the member is an array of <S> column-major matrices with <C>
1699 * columns and <R> rows, the matrix is stored identically to a row of
1700 * <S>*<C> column vectors with <R> components each, according to rule
1703 * (8) If the member is an array of <S> row-major matrices with <C> columns
1704 * and <R> rows, the matrix is stored identically to a row of <S>*<R>
1705 * row vectors with <C> components each, according to rule (4).
1707 * (10) If the member is an array of <S> structures, the <S> elements of
1708 * the array are laid out in order, according to rule (9).
1710 if (this->is_array()) {
1711 if (this->fields
.array
->is_scalar() ||
1712 this->fields
.array
->is_vector() ||
1713 this->fields
.array
->is_matrix()) {
1714 return MAX2(this->fields
.array
->std140_base_alignment(row_major
), 16);
1716 assert(this->fields
.array
->is_struct() ||
1717 this->fields
.array
->is_array());
1718 return this->fields
.array
->std140_base_alignment(row_major
);
1722 /* (5) If the member is a column-major matrix with <C> columns and
1723 * <R> rows, the matrix is stored identically to an array of
1724 * <C> column vectors with <R> components each, according to
1727 * (7) If the member is a row-major matrix with <C> columns and <R>
1728 * rows, the matrix is stored identically to an array of <R>
1729 * row vectors with <C> components each, according to rule (4).
1731 if (this->is_matrix()) {
1732 const struct glsl_type
*vec_type
, *array_type
;
1733 int c
= this->matrix_columns
;
1734 int r
= this->vector_elements
;
1737 vec_type
= get_instance(base_type
, c
, 1);
1738 array_type
= glsl_type::get_array_instance(vec_type
, r
);
1740 vec_type
= get_instance(base_type
, r
, 1);
1741 array_type
= glsl_type::get_array_instance(vec_type
, c
);
1744 return array_type
->std140_base_alignment(false);
1747 /* (9) If the member is a structure, the base alignment of the
1748 * structure is <N>, where <N> is the largest base alignment
1749 * value of any of its members, and rounded up to the base
1750 * alignment of a vec4. The individual members of this
1751 * sub-structure are then assigned offsets by applying this set
1752 * of rules recursively, where the base offset of the first
1753 * member of the sub-structure is equal to the aligned offset
1754 * of the structure. The structure may have padding at the end;
1755 * the base offset of the member following the sub-structure is
1756 * rounded up to the next multiple of the base alignment of the
1759 if (this->is_struct()) {
1760 unsigned base_alignment
= 16;
1761 for (unsigned i
= 0; i
< this->length
; i
++) {
1762 bool field_row_major
= row_major
;
1763 const enum glsl_matrix_layout matrix_layout
=
1764 glsl_matrix_layout(this->fields
.structure
[i
].matrix_layout
);
1765 if (matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
1766 field_row_major
= true;
1767 } else if (matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
1768 field_row_major
= false;
1771 const struct glsl_type
*field_type
= this->fields
.structure
[i
].type
;
1772 base_alignment
= MAX2(base_alignment
,
1773 field_type
->std140_base_alignment(field_row_major
));
1775 return base_alignment
;
1778 assert(!"not reached");
1783 glsl_type::std140_size(bool row_major
) const
1785 unsigned N
= is_64bit() ? 8 : 4;
1787 /* (1) If the member is a scalar consuming <N> basic machine units, the
1788 * base alignment is <N>.
1790 * (2) If the member is a two- or four-component vector with components
1791 * consuming <N> basic machine units, the base alignment is 2<N> or
1792 * 4<N>, respectively.
1794 * (3) If the member is a three-component vector with components consuming
1795 * <N> basic machine units, the base alignment is 4<N>.
1797 if (this->is_scalar() || this->is_vector()) {
1798 assert(this->explicit_stride
== 0);
1799 return this->vector_elements
* N
;
1802 /* (5) If the member is a column-major matrix with <C> columns and
1803 * <R> rows, the matrix is stored identically to an array of
1804 * <C> column vectors with <R> components each, according to
1807 * (6) If the member is an array of <S> column-major matrices with <C>
1808 * columns and <R> rows, the matrix is stored identically to a row of
1809 * <S>*<C> column vectors with <R> components each, according to rule
1812 * (7) If the member is a row-major matrix with <C> columns and <R>
1813 * rows, the matrix is stored identically to an array of <R>
1814 * row vectors with <C> components each, according to rule (4).
1816 * (8) If the member is an array of <S> row-major matrices with <C> columns
1817 * and <R> rows, the matrix is stored identically to a row of <S>*<R>
1818 * row vectors with <C> components each, according to rule (4).
1820 if (this->without_array()->is_matrix()) {
1821 const struct glsl_type
*element_type
;
1822 const struct glsl_type
*vec_type
;
1823 unsigned int array_len
;
1825 if (this->is_array()) {
1826 element_type
= this->without_array();
1827 array_len
= this->arrays_of_arrays_size();
1829 element_type
= this;
1834 vec_type
= get_instance(element_type
->base_type
,
1835 element_type
->matrix_columns
, 1);
1837 array_len
*= element_type
->vector_elements
;
1839 vec_type
= get_instance(element_type
->base_type
,
1840 element_type
->vector_elements
, 1);
1841 array_len
*= element_type
->matrix_columns
;
1843 const glsl_type
*array_type
= glsl_type::get_array_instance(vec_type
,
1846 return array_type
->std140_size(false);
1849 /* (4) If the member is an array of scalars or vectors, the base alignment
1850 * and array stride are set to match the base alignment of a single
1851 * array element, according to rules (1), (2), and (3), and rounded up
1852 * to the base alignment of a vec4. The array may have padding at the
1853 * end; the base offset of the member following the array is rounded up
1854 * to the next multiple of the base alignment.
1856 * (10) If the member is an array of <S> structures, the <S> elements of
1857 * the array are laid out in order, according to rule (9).
1859 if (this->is_array()) {
1861 if (this->without_array()->is_struct()) {
1862 stride
= this->without_array()->std140_size(row_major
);
1864 unsigned element_base_align
=
1865 this->without_array()->std140_base_alignment(row_major
);
1866 stride
= MAX2(element_base_align
, 16);
1869 unsigned size
= this->arrays_of_arrays_size() * stride
;
1870 assert(this->explicit_stride
== 0 ||
1871 size
== this->length
* this->explicit_stride
);
1875 /* (9) If the member is a structure, the base alignment of the
1876 * structure is <N>, where <N> is the largest base alignment
1877 * value of any of its members, and rounded up to the base
1878 * alignment of a vec4. The individual members of this
1879 * sub-structure are then assigned offsets by applying this set
1880 * of rules recursively, where the base offset of the first
1881 * member of the sub-structure is equal to the aligned offset
1882 * of the structure. The structure may have padding at the end;
1883 * the base offset of the member following the sub-structure is
1884 * rounded up to the next multiple of the base alignment of the
1887 if (this->is_struct() || this->is_interface()) {
1889 unsigned max_align
= 0;
1891 for (unsigned i
= 0; i
< this->length
; i
++) {
1892 bool field_row_major
= row_major
;
1893 const enum glsl_matrix_layout matrix_layout
=
1894 glsl_matrix_layout(this->fields
.structure
[i
].matrix_layout
);
1895 if (matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
1896 field_row_major
= true;
1897 } else if (matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
1898 field_row_major
= false;
1901 const struct glsl_type
*field_type
= this->fields
.structure
[i
].type
;
1902 unsigned align
= field_type
->std140_base_alignment(field_row_major
);
1904 /* Ignore unsized arrays when calculating size */
1905 if (field_type
->is_unsized_array())
1908 size
= glsl_align(size
, align
);
1909 size
+= field_type
->std140_size(field_row_major
);
1911 max_align
= MAX2(align
, max_align
);
1913 if (field_type
->is_struct() && (i
+ 1 < this->length
))
1914 size
= glsl_align(size
, 16);
1916 size
= glsl_align(size
, MAX2(max_align
, 16));
1920 assert(!"not reached");
1925 glsl_type::get_explicit_std140_type(bool row_major
) const
1927 if (this->is_vector() || this->is_scalar()) {
1929 } else if (this->is_matrix()) {
1930 const glsl_type
*vec_type
;
1932 vec_type
= get_instance(this->base_type
, this->matrix_columns
, 1);
1934 vec_type
= get_instance(this->base_type
, this->vector_elements
, 1);
1935 unsigned elem_size
= vec_type
->std140_size(false);
1936 unsigned stride
= glsl_align(elem_size
, 16);
1937 return get_instance(this->base_type
, this->vector_elements
,
1938 this->matrix_columns
, stride
, row_major
);
1939 } else if (this->is_array()) {
1940 unsigned elem_size
= this->fields
.array
->std140_size(row_major
);
1941 const glsl_type
*elem_type
=
1942 this->fields
.array
->get_explicit_std140_type(row_major
);
1943 unsigned stride
= glsl_align(elem_size
, 16);
1944 return get_array_instance(elem_type
, this->length
, stride
);
1945 } else if (this->is_struct() || this->is_interface()) {
1946 glsl_struct_field
*fields
= new glsl_struct_field
[this->length
];
1947 unsigned offset
= 0;
1948 for (unsigned i
= 0; i
< length
; i
++) {
1949 fields
[i
] = this->fields
.structure
[i
];
1951 bool field_row_major
= row_major
;
1952 if (fields
[i
].matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
1953 field_row_major
= false;
1954 } else if (fields
[i
].matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
1955 field_row_major
= true;
1958 fields
[i
].type
->get_explicit_std140_type(field_row_major
);
1960 unsigned fsize
= fields
[i
].type
->std140_size(field_row_major
);
1961 unsigned falign
= fields
[i
].type
->std140_base_alignment(field_row_major
);
1962 /* From the GLSL 460 spec section "Uniform and Shader Storage Block
1963 * Layout Qualifiers":
1965 * "The actual offset of a member is computed as follows: If
1966 * offset was declared, start with that offset, otherwise start
1967 * with the next available offset. If the resulting offset is not
1968 * a multiple of the actual alignment, increase it to the first
1969 * offset that is a multiple of the actual alignment. This results
1970 * in the actual offset the member will have."
1972 if (fields
[i
].offset
>= 0) {
1973 assert((unsigned)fields
[i
].offset
>= offset
);
1974 offset
= fields
[i
].offset
;
1976 offset
= glsl_align(offset
, falign
);
1977 fields
[i
].offset
= offset
;
1981 const glsl_type
*type
;
1982 if (this->is_struct())
1983 type
= get_struct_instance(fields
, this->length
, this->name
);
1985 type
= get_interface_instance(fields
, this->length
,
1986 (enum glsl_interface_packing
)this->interface_packing
,
1987 this->interface_row_major
,
1993 unreachable("Invalid type for UBO or SSBO");
1998 glsl_type::std430_base_alignment(bool row_major
) const
2001 unsigned N
= is_64bit() ? 8 : 4;
2003 /* (1) If the member is a scalar consuming <N> basic machine units, the
2004 * base alignment is <N>.
2006 * (2) If the member is a two- or four-component vector with components
2007 * consuming <N> basic machine units, the base alignment is 2<N> or
2008 * 4<N>, respectively.
2010 * (3) If the member is a three-component vector with components consuming
2011 * <N> basic machine units, the base alignment is 4<N>.
2013 if (this->is_scalar() || this->is_vector()) {
2014 switch (this->vector_elements
) {
2025 /* OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout":
2027 * "When using the std430 storage layout, shader storage blocks will be
2028 * laid out in buffer storage identically to uniform and shader storage
2029 * blocks using the std140 layout, except that the base alignment and
2030 * stride of arrays of scalars and vectors in rule 4 and of structures
2031 * in rule 9 are not rounded up a multiple of the base alignment of a vec4.
2034 /* (1) If the member is a scalar consuming <N> basic machine units, the
2035 * base alignment is <N>.
2037 * (2) If the member is a two- or four-component vector with components
2038 * consuming <N> basic machine units, the base alignment is 2<N> or
2039 * 4<N>, respectively.
2041 * (3) If the member is a three-component vector with components consuming
2042 * <N> basic machine units, the base alignment is 4<N>.
2044 if (this->is_array())
2045 return this->fields
.array
->std430_base_alignment(row_major
);
2047 /* (5) If the member is a column-major matrix with <C> columns and
2048 * <R> rows, the matrix is stored identically to an array of
2049 * <C> column vectors with <R> components each, according to
2052 * (7) If the member is a row-major matrix with <C> columns and <R>
2053 * rows, the matrix is stored identically to an array of <R>
2054 * row vectors with <C> components each, according to rule (4).
2056 if (this->is_matrix()) {
2057 const struct glsl_type
*vec_type
, *array_type
;
2058 int c
= this->matrix_columns
;
2059 int r
= this->vector_elements
;
2062 vec_type
= get_instance(base_type
, c
, 1);
2063 array_type
= glsl_type::get_array_instance(vec_type
, r
);
2065 vec_type
= get_instance(base_type
, r
, 1);
2066 array_type
= glsl_type::get_array_instance(vec_type
, c
);
2069 return array_type
->std430_base_alignment(false);
2072 /* (9) If the member is a structure, the base alignment of the
2073 * structure is <N>, where <N> is the largest base alignment
2074 * value of any of its members, and rounded up to the base
2075 * alignment of a vec4. The individual members of this
2076 * sub-structure are then assigned offsets by applying this set
2077 * of rules recursively, where the base offset of the first
2078 * member of the sub-structure is equal to the aligned offset
2079 * of the structure. The structure may have padding at the end;
2080 * the base offset of the member following the sub-structure is
2081 * rounded up to the next multiple of the base alignment of the
2084 if (this->is_struct()) {
2085 unsigned base_alignment
= 0;
2086 for (unsigned i
= 0; i
< this->length
; i
++) {
2087 bool field_row_major
= row_major
;
2088 const enum glsl_matrix_layout matrix_layout
=
2089 glsl_matrix_layout(this->fields
.structure
[i
].matrix_layout
);
2090 if (matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
2091 field_row_major
= true;
2092 } else if (matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
2093 field_row_major
= false;
2096 const struct glsl_type
*field_type
= this->fields
.structure
[i
].type
;
2097 base_alignment
= MAX2(base_alignment
,
2098 field_type
->std430_base_alignment(field_row_major
));
2100 assert(base_alignment
> 0);
2101 return base_alignment
;
2103 assert(!"not reached");
2108 glsl_type::std430_array_stride(bool row_major
) const
2110 unsigned N
= is_64bit() ? 8 : 4;
2112 /* Notice that the array stride of a vec3 is not 3 * N but 4 * N.
2113 * See OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout"
2115 * (3) If the member is a three-component vector with components consuming
2116 * <N> basic machine units, the base alignment is 4<N>.
2118 if (this->is_vector() && this->vector_elements
== 3)
2121 /* By default use std430_size(row_major) */
2122 unsigned stride
= this->std430_size(row_major
);
2123 assert(this->explicit_stride
== 0 || this->explicit_stride
== stride
);
2127 /* Note that the value returned by this method is only correct if the
2128 * explit offset, and stride values are set, so only with SPIR-V shaders.
2129 * Should not be used with GLSL shaders.
2133 glsl_type::explicit_size(bool align_to_stride
) const
2135 if (this->is_struct() || this->is_interface()) {
2136 if (this->length
> 0) {
2139 for (unsigned i
= 0; i
< this->length
; i
++) {
2140 assert(this->fields
.structure
[i
].offset
>= 0);
2141 unsigned last_byte
= this->fields
.structure
[i
].offset
+
2142 this->fields
.structure
[i
].type
->explicit_size();
2143 size
= MAX2(size
, last_byte
);
2150 } else if (this->is_array()) {
2151 /* From ARB_program_interface_query spec:
2153 * "For the property of BUFFER_DATA_SIZE, then the implementation-dependent
2154 * minimum total buffer object size, in basic machine units, required to
2155 * hold all active variables associated with an active uniform block, shader
2156 * storage block, or atomic counter buffer is written to <params>. If the
2157 * final member of an active shader storage block is array with no declared
2158 * size, the minimum buffer size is computed assuming the array was declared
2159 * as an array with one element."
2162 if (this->is_unsized_array())
2163 return this->explicit_stride
;
2165 assert(this->length
> 0);
2166 unsigned elem_size
= align_to_stride
? this->explicit_stride
: this->fields
.array
->explicit_size();
2167 assert(this->explicit_stride
>= elem_size
);
2169 return this->explicit_stride
* (this->length
- 1) + elem_size
;
2170 } else if (this->is_matrix()) {
2171 const struct glsl_type
*elem_type
;
2174 if (this->interface_row_major
) {
2175 elem_type
= get_instance(this->base_type
,
2176 this->matrix_columns
, 1);
2177 length
= this->vector_elements
;
2179 elem_type
= get_instance(this->base_type
,
2180 this->vector_elements
, 1);
2181 length
= this->matrix_columns
;
2184 unsigned elem_size
= align_to_stride
? this->explicit_stride
: elem_type
->explicit_size();
2186 assert(this->explicit_stride
);
2187 return this->explicit_stride
* (length
- 1) + elem_size
;
2190 unsigned N
= this->bit_size() / 8;
2192 return this->vector_elements
* N
;
2196 glsl_type::std430_size(bool row_major
) const
2198 unsigned N
= is_64bit() ? 8 : 4;
2200 /* OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout":
2202 * "When using the std430 storage layout, shader storage blocks will be
2203 * laid out in buffer storage identically to uniform and shader storage
2204 * blocks using the std140 layout, except that the base alignment and
2205 * stride of arrays of scalars and vectors in rule 4 and of structures
2206 * in rule 9 are not rounded up a multiple of the base alignment of a vec4.
2208 if (this->is_scalar() || this->is_vector()) {
2209 assert(this->explicit_stride
== 0);
2210 return this->vector_elements
* N
;
2213 if (this->without_array()->is_matrix()) {
2214 const struct glsl_type
*element_type
;
2215 const struct glsl_type
*vec_type
;
2216 unsigned int array_len
;
2218 if (this->is_array()) {
2219 element_type
= this->without_array();
2220 array_len
= this->arrays_of_arrays_size();
2222 element_type
= this;
2227 vec_type
= get_instance(element_type
->base_type
,
2228 element_type
->matrix_columns
, 1);
2230 array_len
*= element_type
->vector_elements
;
2232 vec_type
= get_instance(element_type
->base_type
,
2233 element_type
->vector_elements
, 1);
2234 array_len
*= element_type
->matrix_columns
;
2236 const glsl_type
*array_type
= glsl_type::get_array_instance(vec_type
,
2239 return array_type
->std430_size(false);
2242 if (this->is_array()) {
2244 if (this->without_array()->is_struct())
2245 stride
= this->without_array()->std430_size(row_major
);
2247 stride
= this->without_array()->std430_base_alignment(row_major
);
2249 unsigned size
= this->arrays_of_arrays_size() * stride
;
2250 assert(this->explicit_stride
== 0 ||
2251 size
== this->length
* this->explicit_stride
);
2255 if (this->is_struct() || this->is_interface()) {
2257 unsigned max_align
= 0;
2259 for (unsigned i
= 0; i
< this->length
; i
++) {
2260 bool field_row_major
= row_major
;
2261 const enum glsl_matrix_layout matrix_layout
=
2262 glsl_matrix_layout(this->fields
.structure
[i
].matrix_layout
);
2263 if (matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
2264 field_row_major
= true;
2265 } else if (matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
2266 field_row_major
= false;
2269 const struct glsl_type
*field_type
= this->fields
.structure
[i
].type
;
2270 unsigned align
= field_type
->std430_base_alignment(field_row_major
);
2271 size
= glsl_align(size
, align
);
2272 size
+= field_type
->std430_size(field_row_major
);
2274 max_align
= MAX2(align
, max_align
);
2276 size
= glsl_align(size
, max_align
);
2280 assert(!"not reached");
2285 glsl_type::get_explicit_std430_type(bool row_major
) const
2287 if (this->is_vector() || this->is_scalar()) {
2289 } else if (this->is_matrix()) {
2290 const glsl_type
*vec_type
;
2292 vec_type
= get_instance(this->base_type
, this->matrix_columns
, 1);
2294 vec_type
= get_instance(this->base_type
, this->vector_elements
, 1);
2295 unsigned stride
= vec_type
->std430_array_stride(false);
2296 return get_instance(this->base_type
, this->vector_elements
,
2297 this->matrix_columns
, stride
, row_major
);
2298 } else if (this->is_array()) {
2299 const glsl_type
*elem_type
=
2300 this->fields
.array
->get_explicit_std430_type(row_major
);
2301 unsigned stride
= this->fields
.array
->std430_array_stride(row_major
);
2302 return get_array_instance(elem_type
, this->length
, stride
);
2303 } else if (this->is_struct() || this->is_interface()) {
2304 glsl_struct_field
*fields
= new glsl_struct_field
[this->length
];
2305 unsigned offset
= 0;
2306 for (unsigned i
= 0; i
< length
; i
++) {
2307 fields
[i
] = this->fields
.structure
[i
];
2309 bool field_row_major
= row_major
;
2310 if (fields
[i
].matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
2311 field_row_major
= false;
2312 } else if (fields
[i
].matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
2313 field_row_major
= true;
2316 fields
[i
].type
->get_explicit_std430_type(field_row_major
);
2318 unsigned fsize
= fields
[i
].type
->std430_size(field_row_major
);
2319 unsigned falign
= fields
[i
].type
->std430_base_alignment(field_row_major
);
2320 /* From the GLSL 460 spec section "Uniform and Shader Storage Block
2321 * Layout Qualifiers":
2323 * "The actual offset of a member is computed as follows: If
2324 * offset was declared, start with that offset, otherwise start
2325 * with the next available offset. If the resulting offset is not
2326 * a multiple of the actual alignment, increase it to the first
2327 * offset that is a multiple of the actual alignment. This results
2328 * in the actual offset the member will have."
2330 if (fields
[i
].offset
>= 0) {
2331 assert((unsigned)fields
[i
].offset
>= offset
);
2332 offset
= fields
[i
].offset
;
2334 offset
= glsl_align(offset
, falign
);
2335 fields
[i
].offset
= offset
;
2339 const glsl_type
*type
;
2340 if (this->is_struct())
2341 type
= get_struct_instance(fields
, this->length
, this->name
);
2343 type
= get_interface_instance(fields
, this->length
,
2344 (enum glsl_interface_packing
)this->interface_packing
,
2345 this->interface_row_major
,
2351 unreachable("Invalid type for SSBO");
2356 glsl_type::get_explicit_interface_type(bool supports_std430
) const
2358 enum glsl_interface_packing packing
=
2359 this->get_internal_ifc_packing(supports_std430
);
2360 if (packing
== GLSL_INTERFACE_PACKING_STD140
) {
2361 return this->get_explicit_std140_type(this->interface_row_major
);
2363 assert(packing
== GLSL_INTERFACE_PACKING_STD430
);
2364 return this->get_explicit_std430_type(this->interface_row_major
);
2369 glsl_type::count_attribute_slots(bool is_gl_vertex_input
) const
2371 /* From page 31 (page 37 of the PDF) of the GLSL 1.50 spec:
2373 * "A scalar input counts the same amount against this limit as a vec4,
2374 * so applications may want to consider packing groups of four
2375 * unrelated float inputs together into a vector to better utilize the
2376 * capabilities of the underlying hardware. A matrix input will use up
2377 * multiple locations. The number of locations used will equal the
2378 * number of columns in the matrix."
2380 * The spec does not explicitly say how arrays are counted. However, it
2381 * should be safe to assume the total number of slots consumed by an array
2382 * is the number of entries in the array multiplied by the number of slots
2383 * consumed by a single element of the array.
2385 * The spec says nothing about how structs are counted, because vertex
2386 * attributes are not allowed to be (or contain) structs. However, Mesa
2387 * allows varying structs, the number of varying slots taken up by a
2388 * varying struct is simply equal to the sum of the number of slots taken
2389 * up by each element.
2391 * Doubles are counted different depending on whether they are vertex
2392 * inputs or everything else. Vertex inputs from ARB_vertex_attrib_64bit
2393 * take one location no matter what size they are, otherwise dvec3/4
2394 * take two locations.
2396 switch (this->base_type
) {
2397 case GLSL_TYPE_UINT
:
2399 case GLSL_TYPE_UINT8
:
2400 case GLSL_TYPE_INT8
:
2401 case GLSL_TYPE_UINT16
:
2402 case GLSL_TYPE_INT16
:
2403 case GLSL_TYPE_FLOAT
:
2404 case GLSL_TYPE_FLOAT16
:
2405 case GLSL_TYPE_BOOL
:
2406 case GLSL_TYPE_SAMPLER
:
2407 case GLSL_TYPE_IMAGE
:
2408 return this->matrix_columns
;
2409 case GLSL_TYPE_DOUBLE
:
2410 case GLSL_TYPE_UINT64
:
2411 case GLSL_TYPE_INT64
:
2412 if (this->vector_elements
> 2 && !is_gl_vertex_input
)
2413 return this->matrix_columns
* 2;
2415 return this->matrix_columns
;
2416 case GLSL_TYPE_STRUCT
:
2417 case GLSL_TYPE_INTERFACE
: {
2420 for (unsigned i
= 0; i
< this->length
; i
++) {
2421 const glsl_type
*member_type
= this->fields
.structure
[i
].type
;
2422 size
+= member_type
->count_attribute_slots(is_gl_vertex_input
);
2428 case GLSL_TYPE_ARRAY
: {
2429 const glsl_type
*element
= this->fields
.array
;
2430 return this->length
* element
->count_attribute_slots(is_gl_vertex_input
);
2433 case GLSL_TYPE_SUBROUTINE
:
2436 case GLSL_TYPE_FUNCTION
:
2437 case GLSL_TYPE_ATOMIC_UINT
:
2438 case GLSL_TYPE_VOID
:
2439 case GLSL_TYPE_ERROR
:
2443 assert(!"Unexpected type in count_attribute_slots()");
2449 glsl_type::coordinate_components() const
2453 switch (sampler_dimensionality
) {
2454 case GLSL_SAMPLER_DIM_1D
:
2455 case GLSL_SAMPLER_DIM_BUF
:
2458 case GLSL_SAMPLER_DIM_2D
:
2459 case GLSL_SAMPLER_DIM_RECT
:
2460 case GLSL_SAMPLER_DIM_MS
:
2461 case GLSL_SAMPLER_DIM_EXTERNAL
:
2462 case GLSL_SAMPLER_DIM_SUBPASS
:
2465 case GLSL_SAMPLER_DIM_3D
:
2466 case GLSL_SAMPLER_DIM_CUBE
:
2470 assert(!"Should not get here.");
2475 /* Array textures need an additional component for the array index, except
2476 * for cubemap array images that behave like a 2D array of interleaved
2479 if (sampler_array
&&
2480 !(is_image() && sampler_dimensionality
== GLSL_SAMPLER_DIM_CUBE
))
2487 * Declarations of type flyweights (glsl_type::_foo_type) and
2488 * convenience pointers (glsl_type::foo_type).
2491 #define DECL_TYPE(NAME, ...) \
2492 const glsl_type glsl_type::_##NAME##_type = glsl_type(__VA_ARGS__, #NAME); \
2493 const glsl_type *const glsl_type::NAME##_type = &glsl_type::_##NAME##_type;
2495 #define STRUCT_TYPE(NAME)
2497 #include "compiler/builtin_type_macros.h"
2501 get_struct_type_field_and_pointer_sizes(size_t *s_field_size
,
2502 size_t *s_field_ptrs
)
2504 *s_field_size
= sizeof(glsl_struct_field
);
2506 sizeof(((glsl_struct_field
*)0)->type
) +
2507 sizeof(((glsl_struct_field
*)0)->name
);
2511 encode_type_to_blob(struct blob
*blob
, const glsl_type
*type
)
2516 blob_write_uint32(blob
, 0);
2520 switch (type
->base_type
) {
2521 case GLSL_TYPE_UINT
:
2523 case GLSL_TYPE_FLOAT
:
2524 case GLSL_TYPE_FLOAT16
:
2525 case GLSL_TYPE_DOUBLE
:
2526 case GLSL_TYPE_UINT8
:
2527 case GLSL_TYPE_INT8
:
2528 case GLSL_TYPE_UINT16
:
2529 case GLSL_TYPE_INT16
:
2530 case GLSL_TYPE_UINT64
:
2531 case GLSL_TYPE_INT64
:
2532 case GLSL_TYPE_BOOL
:
2533 encoding
= (type
->base_type
<< 24) |
2534 (type
->interface_row_major
<< 10) |
2535 (type
->vector_elements
<< 4) |
2536 (type
->matrix_columns
);
2537 blob_write_uint32(blob
, encoding
);
2538 blob_write_uint32(blob
, type
->explicit_stride
);
2540 case GLSL_TYPE_SAMPLER
:
2541 encoding
= (type
->base_type
) << 24 |
2542 (type
->sampler_dimensionality
<< 4) |
2543 (type
->sampler_shadow
<< 3) |
2544 (type
->sampler_array
<< 2) |
2545 (type
->sampled_type
);
2547 case GLSL_TYPE_SUBROUTINE
:
2548 encoding
= type
->base_type
<< 24;
2549 blob_write_uint32(blob
, encoding
);
2550 blob_write_string(blob
, type
->name
);
2552 case GLSL_TYPE_IMAGE
:
2553 encoding
= (type
->base_type
) << 24 |
2554 (type
->sampler_dimensionality
<< 3) |
2555 (type
->sampler_array
<< 2) |
2556 (type
->sampled_type
);
2558 case GLSL_TYPE_ATOMIC_UINT
:
2559 encoding
= (type
->base_type
<< 24);
2561 case GLSL_TYPE_ARRAY
:
2562 blob_write_uint32(blob
, (type
->base_type
) << 24);
2563 blob_write_uint32(blob
, type
->length
);
2564 blob_write_uint32(blob
, type
->explicit_stride
);
2565 encode_type_to_blob(blob
, type
->fields
.array
);
2567 case GLSL_TYPE_STRUCT
:
2568 case GLSL_TYPE_INTERFACE
:
2569 blob_write_uint32(blob
, (type
->base_type
) << 24);
2570 blob_write_string(blob
, type
->name
);
2571 blob_write_uint32(blob
, type
->length
);
2573 size_t s_field_size
, s_field_ptrs
;
2574 get_struct_type_field_and_pointer_sizes(&s_field_size
, &s_field_ptrs
);
2576 for (unsigned i
= 0; i
< type
->length
; i
++) {
2577 encode_type_to_blob(blob
, type
->fields
.structure
[i
].type
);
2578 blob_write_string(blob
, type
->fields
.structure
[i
].name
);
2580 /* Write the struct field skipping the pointers */
2581 blob_write_bytes(blob
,
2582 ((char *)&type
->fields
.structure
[i
]) + s_field_ptrs
,
2583 s_field_size
- s_field_ptrs
);
2586 if (type
->is_interface()) {
2587 blob_write_uint32(blob
, type
->interface_packing
);
2588 blob_write_uint32(blob
, type
->interface_row_major
);
2590 blob_write_uint32(blob
, type
->packed
);
2593 case GLSL_TYPE_VOID
:
2594 encoding
= (type
->base_type
<< 24);
2596 case GLSL_TYPE_ERROR
:
2598 assert(!"Cannot encode type!");
2603 blob_write_uint32(blob
, encoding
);
2607 decode_type_from_blob(struct blob_reader
*blob
)
2609 uint32_t u
= blob_read_uint32(blob
);
2615 glsl_base_type base_type
= (glsl_base_type
) (u
>> 24);
2617 switch (base_type
) {
2618 case GLSL_TYPE_UINT
:
2620 case GLSL_TYPE_FLOAT
:
2621 case GLSL_TYPE_FLOAT16
:
2622 case GLSL_TYPE_DOUBLE
:
2623 case GLSL_TYPE_UINT8
:
2624 case GLSL_TYPE_INT8
:
2625 case GLSL_TYPE_UINT16
:
2626 case GLSL_TYPE_INT16
:
2627 case GLSL_TYPE_UINT64
:
2628 case GLSL_TYPE_INT64
:
2629 case GLSL_TYPE_BOOL
: {
2630 unsigned explicit_stride
= blob_read_uint32(blob
);
2631 return glsl_type::get_instance(base_type
, (u
>> 4) & 0x0f, u
& 0x0f,
2632 explicit_stride
, (u
>> 10) & 0x1);
2634 case GLSL_TYPE_SAMPLER
:
2635 return glsl_type::get_sampler_instance((enum glsl_sampler_dim
) ((u
>> 4) & 0x0f),
2638 (glsl_base_type
) ((u
>> 0) & 0x03));
2639 case GLSL_TYPE_SUBROUTINE
:
2640 return glsl_type::get_subroutine_instance(blob_read_string(blob
));
2641 case GLSL_TYPE_IMAGE
:
2642 return glsl_type::get_image_instance((enum glsl_sampler_dim
) ((u
>> 3) & 0x0f),
2644 (glsl_base_type
) ((u
>> 0) & 0x03));
2645 case GLSL_TYPE_ATOMIC_UINT
:
2646 return glsl_type::atomic_uint_type
;
2647 case GLSL_TYPE_ARRAY
: {
2648 unsigned length
= blob_read_uint32(blob
);
2649 unsigned explicit_stride
= blob_read_uint32(blob
);
2650 return glsl_type::get_array_instance(decode_type_from_blob(blob
),
2651 length
, explicit_stride
);
2653 case GLSL_TYPE_STRUCT
:
2654 case GLSL_TYPE_INTERFACE
: {
2655 char *name
= blob_read_string(blob
);
2656 unsigned num_fields
= blob_read_uint32(blob
);
2658 size_t s_field_size
, s_field_ptrs
;
2659 get_struct_type_field_and_pointer_sizes(&s_field_size
, &s_field_ptrs
);
2661 glsl_struct_field
*fields
=
2662 (glsl_struct_field
*) malloc(s_field_size
* num_fields
);
2663 for (unsigned i
= 0; i
< num_fields
; i
++) {
2664 fields
[i
].type
= decode_type_from_blob(blob
);
2665 fields
[i
].name
= blob_read_string(blob
);
2667 blob_copy_bytes(blob
, ((uint8_t *) &fields
[i
]) + s_field_ptrs
,
2668 s_field_size
- s_field_ptrs
);
2672 if (base_type
== GLSL_TYPE_INTERFACE
) {
2673 enum glsl_interface_packing packing
=
2674 (glsl_interface_packing
) blob_read_uint32(blob
);
2675 bool row_major
= blob_read_uint32(blob
);
2676 t
= glsl_type::get_interface_instance(fields
, num_fields
, packing
,
2679 unsigned packed
= blob_read_uint32(blob
);
2680 t
= glsl_type::get_struct_instance(fields
, num_fields
, name
, packed
);
2686 case GLSL_TYPE_VOID
:
2687 return glsl_type::void_type
;
2688 case GLSL_TYPE_ERROR
:
2690 assert(!"Cannot decode type!");
2696 glsl_type::cl_alignment() const
2698 /* vectors unlike arrays are aligned to their size */
2699 if (this->is_scalar() || this->is_vector())
2700 return this->cl_size();
2701 else if (this->is_array())
2702 return this->without_array()->cl_alignment();
2703 else if (this->is_struct()) {
2704 /* Packed Structs are 0x1 aligned despite their size. */
2709 for (unsigned i
= 0; i
< this->length
; ++i
) {
2710 struct glsl_struct_field
&field
= this->fields
.structure
[i
];
2711 res
= MAX2(res
, field
.type
->cl_alignment());
2719 glsl_type::cl_size() const
2721 if (this->is_scalar()) {
2722 return glsl_base_type_get_bit_size(this->base_type
) / 8;
2723 } else if (this->is_vector()) {
2724 unsigned vec_elemns
= this->vector_elements
== 3 ? 4 : this->vector_elements
;
2725 return vec_elemns
* glsl_base_type_get_bit_size(this->base_type
) / 8;
2726 } else if (this->is_array()) {
2727 unsigned size
= this->without_array()->cl_size();
2728 return size
* this->length
;
2729 } else if (this->is_struct()) {
2731 for (unsigned i
= 0; i
< this->length
; ++i
) {
2732 struct glsl_struct_field
&field
= this->fields
.structure
[i
];
2733 /* if a struct is packed, members don't get aligned */
2735 size
= align(size
, field
.type
->cl_alignment());
2736 size
+= field
.type
->cl_size();