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 glsl_base_type_is_integer(this->base_type
);
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())
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())
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
);
2128 glsl_type::std430_size(bool row_major
) const
2130 unsigned N
= is_64bit() ? 8 : 4;
2132 /* OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout":
2134 * "When using the std430 storage layout, shader storage blocks will be
2135 * laid out in buffer storage identically to uniform and shader storage
2136 * blocks using the std140 layout, except that the base alignment and
2137 * stride of arrays of scalars and vectors in rule 4 and of structures
2138 * in rule 9 are not rounded up a multiple of the base alignment of a vec4.
2140 if (this->is_scalar() || this->is_vector()) {
2141 assert(this->explicit_stride
== 0);
2142 return this->vector_elements
* N
;
2145 if (this->without_array()->is_matrix()) {
2146 const struct glsl_type
*element_type
;
2147 const struct glsl_type
*vec_type
;
2148 unsigned int array_len
;
2150 if (this->is_array()) {
2151 element_type
= this->without_array();
2152 array_len
= this->arrays_of_arrays_size();
2154 element_type
= this;
2159 vec_type
= get_instance(element_type
->base_type
,
2160 element_type
->matrix_columns
, 1);
2162 array_len
*= element_type
->vector_elements
;
2164 vec_type
= get_instance(element_type
->base_type
,
2165 element_type
->vector_elements
, 1);
2166 array_len
*= element_type
->matrix_columns
;
2168 const glsl_type
*array_type
= glsl_type::get_array_instance(vec_type
,
2171 return array_type
->std430_size(false);
2174 if (this->is_array()) {
2176 if (this->without_array()->is_struct())
2177 stride
= this->without_array()->std430_size(row_major
);
2179 stride
= this->without_array()->std430_base_alignment(row_major
);
2181 unsigned size
= this->arrays_of_arrays_size() * stride
;
2182 assert(this->explicit_stride
== 0 ||
2183 size
== this->length
* this->explicit_stride
);
2187 if (this->is_struct() || this->is_interface()) {
2189 unsigned max_align
= 0;
2191 for (unsigned i
= 0; i
< this->length
; i
++) {
2192 bool field_row_major
= row_major
;
2193 const enum glsl_matrix_layout matrix_layout
=
2194 glsl_matrix_layout(this->fields
.structure
[i
].matrix_layout
);
2195 if (matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
2196 field_row_major
= true;
2197 } else if (matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
2198 field_row_major
= false;
2201 const struct glsl_type
*field_type
= this->fields
.structure
[i
].type
;
2202 unsigned align
= field_type
->std430_base_alignment(field_row_major
);
2203 size
= glsl_align(size
, align
);
2204 size
+= field_type
->std430_size(field_row_major
);
2206 max_align
= MAX2(align
, max_align
);
2208 size
= glsl_align(size
, max_align
);
2212 assert(!"not reached");
2217 glsl_type::get_explicit_std430_type(bool row_major
) const
2219 if (this->is_vector() || this->is_scalar()) {
2221 } else if (this->is_matrix()) {
2222 const glsl_type
*vec_type
;
2224 vec_type
= get_instance(this->base_type
, this->matrix_columns
, 1);
2226 vec_type
= get_instance(this->base_type
, this->vector_elements
, 1);
2227 unsigned stride
= vec_type
->std430_array_stride(false);
2228 return get_instance(this->base_type
, this->vector_elements
,
2229 this->matrix_columns
, stride
, row_major
);
2230 } else if (this->is_array()) {
2231 const glsl_type
*elem_type
=
2232 this->fields
.array
->get_explicit_std430_type(row_major
);
2233 unsigned stride
= this->fields
.array
->std430_array_stride(row_major
);
2234 return get_array_instance(elem_type
, this->length
, stride
);
2235 } else if (this->is_struct() || this->is_interface()) {
2236 glsl_struct_field
*fields
= new glsl_struct_field
[this->length
];
2237 unsigned offset
= 0;
2238 for (unsigned i
= 0; i
< length
; i
++) {
2239 fields
[i
] = this->fields
.structure
[i
];
2241 bool field_row_major
= row_major
;
2242 if (fields
[i
].matrix_layout
== GLSL_MATRIX_LAYOUT_COLUMN_MAJOR
) {
2243 field_row_major
= false;
2244 } else if (fields
[i
].matrix_layout
== GLSL_MATRIX_LAYOUT_ROW_MAJOR
) {
2245 field_row_major
= true;
2248 fields
[i
].type
->get_explicit_std430_type(field_row_major
);
2250 unsigned fsize
= fields
[i
].type
->std430_size(field_row_major
);
2251 unsigned falign
= fields
[i
].type
->std430_base_alignment(field_row_major
);
2252 /* From the GLSL 460 spec section "Uniform and Shader Storage Block
2253 * Layout Qualifiers":
2255 * "The actual offset of a member is computed as follows: If
2256 * offset was declared, start with that offset, otherwise start
2257 * with the next available offset. If the resulting offset is not
2258 * a multiple of the actual alignment, increase it to the first
2259 * offset that is a multiple of the actual alignment. This results
2260 * in the actual offset the member will have."
2262 if (fields
[i
].offset
>= 0) {
2263 assert((unsigned)fields
[i
].offset
>= offset
);
2264 offset
= fields
[i
].offset
;
2266 offset
= glsl_align(offset
, falign
);
2267 fields
[i
].offset
= offset
;
2271 const glsl_type
*type
;
2272 if (this->is_struct())
2273 type
= get_struct_instance(fields
, this->length
, this->name
);
2275 type
= get_interface_instance(fields
, this->length
,
2276 (enum glsl_interface_packing
)this->interface_packing
,
2277 this->interface_row_major
,
2283 unreachable("Invalid type for SSBO");
2288 glsl_type::get_explicit_interface_type(bool supports_std430
) const
2290 enum glsl_interface_packing packing
=
2291 this->get_internal_ifc_packing(supports_std430
);
2292 if (packing
== GLSL_INTERFACE_PACKING_STD140
) {
2293 return this->get_explicit_std140_type(this->interface_row_major
);
2295 assert(packing
== GLSL_INTERFACE_PACKING_STD430
);
2296 return this->get_explicit_std430_type(this->interface_row_major
);
2301 glsl_type::count_attribute_slots(bool is_gl_vertex_input
) const
2303 /* From page 31 (page 37 of the PDF) of the GLSL 1.50 spec:
2305 * "A scalar input counts the same amount against this limit as a vec4,
2306 * so applications may want to consider packing groups of four
2307 * unrelated float inputs together into a vector to better utilize the
2308 * capabilities of the underlying hardware. A matrix input will use up
2309 * multiple locations. The number of locations used will equal the
2310 * number of columns in the matrix."
2312 * The spec does not explicitly say how arrays are counted. However, it
2313 * should be safe to assume the total number of slots consumed by an array
2314 * is the number of entries in the array multiplied by the number of slots
2315 * consumed by a single element of the array.
2317 * The spec says nothing about how structs are counted, because vertex
2318 * attributes are not allowed to be (or contain) structs. However, Mesa
2319 * allows varying structs, the number of varying slots taken up by a
2320 * varying struct is simply equal to the sum of the number of slots taken
2321 * up by each element.
2323 * Doubles are counted different depending on whether they are vertex
2324 * inputs or everything else. Vertex inputs from ARB_vertex_attrib_64bit
2325 * take one location no matter what size they are, otherwise dvec3/4
2326 * take two locations.
2328 switch (this->base_type
) {
2329 case GLSL_TYPE_UINT
:
2331 case GLSL_TYPE_UINT8
:
2332 case GLSL_TYPE_INT8
:
2333 case GLSL_TYPE_UINT16
:
2334 case GLSL_TYPE_INT16
:
2335 case GLSL_TYPE_FLOAT
:
2336 case GLSL_TYPE_FLOAT16
:
2337 case GLSL_TYPE_BOOL
:
2338 case GLSL_TYPE_SAMPLER
:
2339 case GLSL_TYPE_IMAGE
:
2340 return this->matrix_columns
;
2341 case GLSL_TYPE_DOUBLE
:
2342 case GLSL_TYPE_UINT64
:
2343 case GLSL_TYPE_INT64
:
2344 if (this->vector_elements
> 2 && !is_gl_vertex_input
)
2345 return this->matrix_columns
* 2;
2347 return this->matrix_columns
;
2348 case GLSL_TYPE_STRUCT
:
2349 case GLSL_TYPE_INTERFACE
: {
2352 for (unsigned i
= 0; i
< this->length
; i
++) {
2353 const glsl_type
*member_type
= this->fields
.structure
[i
].type
;
2354 size
+= member_type
->count_attribute_slots(is_gl_vertex_input
);
2360 case GLSL_TYPE_ARRAY
: {
2361 const glsl_type
*element
= this->fields
.array
;
2362 return this->length
* element
->count_attribute_slots(is_gl_vertex_input
);
2365 case GLSL_TYPE_SUBROUTINE
:
2368 case GLSL_TYPE_FUNCTION
:
2369 case GLSL_TYPE_ATOMIC_UINT
:
2370 case GLSL_TYPE_VOID
:
2371 case GLSL_TYPE_ERROR
:
2375 assert(!"Unexpected type in count_attribute_slots()");
2381 glsl_type::coordinate_components() const
2385 switch (sampler_dimensionality
) {
2386 case GLSL_SAMPLER_DIM_1D
:
2387 case GLSL_SAMPLER_DIM_BUF
:
2390 case GLSL_SAMPLER_DIM_2D
:
2391 case GLSL_SAMPLER_DIM_RECT
:
2392 case GLSL_SAMPLER_DIM_MS
:
2393 case GLSL_SAMPLER_DIM_EXTERNAL
:
2394 case GLSL_SAMPLER_DIM_SUBPASS
:
2397 case GLSL_SAMPLER_DIM_3D
:
2398 case GLSL_SAMPLER_DIM_CUBE
:
2402 assert(!"Should not get here.");
2407 /* Array textures need an additional component for the array index, except
2408 * for cubemap array images that behave like a 2D array of interleaved
2411 if (sampler_array
&&
2412 !(is_image() && sampler_dimensionality
== GLSL_SAMPLER_DIM_CUBE
))
2419 * Declarations of type flyweights (glsl_type::_foo_type) and
2420 * convenience pointers (glsl_type::foo_type).
2423 #define DECL_TYPE(NAME, ...) \
2424 const glsl_type glsl_type::_##NAME##_type = glsl_type(__VA_ARGS__, #NAME); \
2425 const glsl_type *const glsl_type::NAME##_type = &glsl_type::_##NAME##_type;
2427 #define STRUCT_TYPE(NAME)
2429 #include "compiler/builtin_type_macros.h"
2433 get_struct_type_field_and_pointer_sizes(size_t *s_field_size
,
2434 size_t *s_field_ptrs
)
2436 *s_field_size
= sizeof(glsl_struct_field
);
2438 sizeof(((glsl_struct_field
*)0)->type
) +
2439 sizeof(((glsl_struct_field
*)0)->name
);
2443 encode_type_to_blob(struct blob
*blob
, const glsl_type
*type
)
2448 blob_write_uint32(blob
, 0);
2452 switch (type
->base_type
) {
2453 case GLSL_TYPE_UINT
:
2455 case GLSL_TYPE_FLOAT
:
2456 case GLSL_TYPE_FLOAT16
:
2457 case GLSL_TYPE_DOUBLE
:
2458 case GLSL_TYPE_UINT8
:
2459 case GLSL_TYPE_INT8
:
2460 case GLSL_TYPE_UINT16
:
2461 case GLSL_TYPE_INT16
:
2462 case GLSL_TYPE_UINT64
:
2463 case GLSL_TYPE_INT64
:
2464 case GLSL_TYPE_BOOL
:
2465 encoding
= (type
->base_type
<< 24) |
2466 (type
->interface_row_major
<< 10) |
2467 (type
->vector_elements
<< 4) |
2468 (type
->matrix_columns
);
2469 blob_write_uint32(blob
, encoding
);
2470 blob_write_uint32(blob
, type
->explicit_stride
);
2472 case GLSL_TYPE_SAMPLER
:
2473 encoding
= (type
->base_type
) << 24 |
2474 (type
->sampler_dimensionality
<< 4) |
2475 (type
->sampler_shadow
<< 3) |
2476 (type
->sampler_array
<< 2) |
2477 (type
->sampled_type
);
2479 case GLSL_TYPE_SUBROUTINE
:
2480 encoding
= type
->base_type
<< 24;
2481 blob_write_uint32(blob
, encoding
);
2482 blob_write_string(blob
, type
->name
);
2484 case GLSL_TYPE_IMAGE
:
2485 encoding
= (type
->base_type
) << 24 |
2486 (type
->sampler_dimensionality
<< 3) |
2487 (type
->sampler_array
<< 2) |
2488 (type
->sampled_type
);
2490 case GLSL_TYPE_ATOMIC_UINT
:
2491 encoding
= (type
->base_type
<< 24);
2493 case GLSL_TYPE_ARRAY
:
2494 blob_write_uint32(blob
, (type
->base_type
) << 24);
2495 blob_write_uint32(blob
, type
->length
);
2496 blob_write_uint32(blob
, type
->explicit_stride
);
2497 encode_type_to_blob(blob
, type
->fields
.array
);
2499 case GLSL_TYPE_STRUCT
:
2500 case GLSL_TYPE_INTERFACE
:
2501 blob_write_uint32(blob
, (type
->base_type
) << 24);
2502 blob_write_string(blob
, type
->name
);
2503 blob_write_uint32(blob
, type
->length
);
2505 size_t s_field_size
, s_field_ptrs
;
2506 get_struct_type_field_and_pointer_sizes(&s_field_size
, &s_field_ptrs
);
2508 for (unsigned i
= 0; i
< type
->length
; i
++) {
2509 encode_type_to_blob(blob
, type
->fields
.structure
[i
].type
);
2510 blob_write_string(blob
, type
->fields
.structure
[i
].name
);
2512 /* Write the struct field skipping the pointers */
2513 blob_write_bytes(blob
,
2514 ((char *)&type
->fields
.structure
[i
]) + s_field_ptrs
,
2515 s_field_size
- s_field_ptrs
);
2518 if (type
->is_interface()) {
2519 blob_write_uint32(blob
, type
->interface_packing
);
2520 blob_write_uint32(blob
, type
->interface_row_major
);
2522 blob_write_uint32(blob
, type
->packed
);
2525 case GLSL_TYPE_VOID
:
2526 encoding
= (type
->base_type
<< 24);
2528 case GLSL_TYPE_ERROR
:
2530 assert(!"Cannot encode type!");
2535 blob_write_uint32(blob
, encoding
);
2539 decode_type_from_blob(struct blob_reader
*blob
)
2541 uint32_t u
= blob_read_uint32(blob
);
2547 glsl_base_type base_type
= (glsl_base_type
) (u
>> 24);
2549 switch (base_type
) {
2550 case GLSL_TYPE_UINT
:
2552 case GLSL_TYPE_FLOAT
:
2553 case GLSL_TYPE_FLOAT16
:
2554 case GLSL_TYPE_DOUBLE
:
2555 case GLSL_TYPE_UINT8
:
2556 case GLSL_TYPE_INT8
:
2557 case GLSL_TYPE_UINT16
:
2558 case GLSL_TYPE_INT16
:
2559 case GLSL_TYPE_UINT64
:
2560 case GLSL_TYPE_INT64
:
2561 case GLSL_TYPE_BOOL
: {
2562 unsigned explicit_stride
= blob_read_uint32(blob
);
2563 return glsl_type::get_instance(base_type
, (u
>> 4) & 0x0f, u
& 0x0f,
2564 explicit_stride
, (u
>> 10) & 0x1);
2566 case GLSL_TYPE_SAMPLER
:
2567 return glsl_type::get_sampler_instance((enum glsl_sampler_dim
) ((u
>> 4) & 0x0f),
2570 (glsl_base_type
) ((u
>> 0) & 0x03));
2571 case GLSL_TYPE_SUBROUTINE
:
2572 return glsl_type::get_subroutine_instance(blob_read_string(blob
));
2573 case GLSL_TYPE_IMAGE
:
2574 return glsl_type::get_image_instance((enum glsl_sampler_dim
) ((u
>> 3) & 0x0f),
2576 (glsl_base_type
) ((u
>> 0) & 0x03));
2577 case GLSL_TYPE_ATOMIC_UINT
:
2578 return glsl_type::atomic_uint_type
;
2579 case GLSL_TYPE_ARRAY
: {
2580 unsigned length
= blob_read_uint32(blob
);
2581 unsigned explicit_stride
= blob_read_uint32(blob
);
2582 return glsl_type::get_array_instance(decode_type_from_blob(blob
),
2583 length
, explicit_stride
);
2585 case GLSL_TYPE_STRUCT
:
2586 case GLSL_TYPE_INTERFACE
: {
2587 char *name
= blob_read_string(blob
);
2588 unsigned num_fields
= blob_read_uint32(blob
);
2590 size_t s_field_size
, s_field_ptrs
;
2591 get_struct_type_field_and_pointer_sizes(&s_field_size
, &s_field_ptrs
);
2593 glsl_struct_field
*fields
=
2594 (glsl_struct_field
*) malloc(s_field_size
* num_fields
);
2595 for (unsigned i
= 0; i
< num_fields
; i
++) {
2596 fields
[i
].type
= decode_type_from_blob(blob
);
2597 fields
[i
].name
= blob_read_string(blob
);
2599 blob_copy_bytes(blob
, ((uint8_t *) &fields
[i
]) + s_field_ptrs
,
2600 s_field_size
- s_field_ptrs
);
2604 if (base_type
== GLSL_TYPE_INTERFACE
) {
2605 enum glsl_interface_packing packing
=
2606 (glsl_interface_packing
) blob_read_uint32(blob
);
2607 bool row_major
= blob_read_uint32(blob
);
2608 t
= glsl_type::get_interface_instance(fields
, num_fields
, packing
,
2611 unsigned packed
= blob_read_uint32(blob
);
2612 t
= glsl_type::get_struct_instance(fields
, num_fields
, name
, packed
);
2618 case GLSL_TYPE_VOID
:
2619 return glsl_type::void_type
;
2620 case GLSL_TYPE_ERROR
:
2622 assert(!"Cannot decode type!");
2628 glsl_type::cl_alignment() const
2630 /* vectors unlike arrays are aligned to their size */
2631 if (this->is_scalar() || this->is_vector())
2632 return this->cl_size();
2633 else if (this->is_array())
2634 return this->without_array()->cl_alignment();
2635 else if (this->is_struct()) {
2636 /* Packed Structs are 0x1 aligned despite their size. */
2641 for (unsigned i
= 0; i
< this->length
; ++i
) {
2642 struct glsl_struct_field
&field
= this->fields
.structure
[i
];
2643 res
= MAX2(res
, field
.type
->cl_alignment());
2651 glsl_type::cl_size() const
2653 if (this->is_scalar()) {
2654 return glsl_base_type_get_bit_size(this->base_type
) / 8;
2655 } else if (this->is_vector()) {
2656 unsigned vec_elemns
= this->vector_elements
== 3 ? 4 : this->vector_elements
;
2657 return vec_elemns
* glsl_base_type_get_bit_size(this->base_type
) / 8;
2658 } else if (this->is_array()) {
2659 unsigned size
= this->without_array()->cl_size();
2660 return size
* this->length
;
2661 } else if (this->is_struct()) {
2663 for (unsigned i
= 0; i
< this->length
; ++i
) {
2664 struct glsl_struct_field
&field
= this->fields
.structure
[i
];
2665 /* if a struct is packed, members don't get aligned */
2667 size
= align(size
, field
.type
->cl_alignment());
2668 size
+= field
.type
->cl_size();