2 * Copyright © 2015 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 DEALINGS
24 * Jason Ekstrand (jason@jlekstrand.net)
28 #include "vtn_private.h"
29 #include "nir/nir_vla.h"
30 #include "nir/nir_control_flow.h"
31 #include "nir/nir_constant_expressions.h"
32 #include "nir/nir_deref.h"
33 #include "spirv_info.h"
35 #include "util/u_math.h"
40 vtn_log(struct vtn_builder
*b
, enum nir_spirv_debug_level level
,
41 size_t spirv_offset
, const char *message
)
43 if (b
->options
->debug
.func
) {
44 b
->options
->debug
.func(b
->options
->debug
.private_data
,
45 level
, spirv_offset
, message
);
49 if (level
>= NIR_SPIRV_DEBUG_LEVEL_WARNING
)
50 fprintf(stderr
, "%s\n", message
);
55 vtn_logf(struct vtn_builder
*b
, enum nir_spirv_debug_level level
,
56 size_t spirv_offset
, const char *fmt
, ...)
62 msg
= ralloc_vasprintf(NULL
, fmt
, args
);
65 vtn_log(b
, level
, spirv_offset
, msg
);
71 vtn_log_err(struct vtn_builder
*b
,
72 enum nir_spirv_debug_level level
, const char *prefix
,
73 const char *file
, unsigned line
,
74 const char *fmt
, va_list args
)
78 msg
= ralloc_strdup(NULL
, prefix
);
81 ralloc_asprintf_append(&msg
, " In file %s:%u\n", file
, line
);
84 ralloc_asprintf_append(&msg
, " ");
86 ralloc_vasprintf_append(&msg
, fmt
, args
);
88 ralloc_asprintf_append(&msg
, "\n %zu bytes into the SPIR-V binary",
92 ralloc_asprintf_append(&msg
,
93 "\n in SPIR-V source file %s, line %d, col %d",
94 b
->file
, b
->line
, b
->col
);
97 vtn_log(b
, level
, b
->spirv_offset
, msg
);
103 vtn_dump_shader(struct vtn_builder
*b
, const char *path
, const char *prefix
)
108 int len
= snprintf(filename
, sizeof(filename
), "%s/%s-%d.spirv",
109 path
, prefix
, idx
++);
110 if (len
< 0 || len
>= sizeof(filename
))
113 FILE *f
= fopen(filename
, "w");
117 fwrite(b
->spirv
, sizeof(*b
->spirv
), b
->spirv_word_count
, f
);
120 vtn_info("SPIR-V shader dumped to %s", filename
);
124 _vtn_warn(struct vtn_builder
*b
, const char *file
, unsigned line
,
125 const char *fmt
, ...)
130 vtn_log_err(b
, NIR_SPIRV_DEBUG_LEVEL_WARNING
, "SPIR-V WARNING:\n",
131 file
, line
, fmt
, args
);
136 _vtn_err(struct vtn_builder
*b
, const char *file
, unsigned line
,
137 const char *fmt
, ...)
142 vtn_log_err(b
, NIR_SPIRV_DEBUG_LEVEL_ERROR
, "SPIR-V ERROR:\n",
143 file
, line
, fmt
, args
);
148 _vtn_fail(struct vtn_builder
*b
, const char *file
, unsigned line
,
149 const char *fmt
, ...)
154 vtn_log_err(b
, NIR_SPIRV_DEBUG_LEVEL_ERROR
, "SPIR-V parsing FAILED:\n",
155 file
, line
, fmt
, args
);
158 const char *dump_path
= getenv("MESA_SPIRV_FAIL_DUMP_PATH");
160 vtn_dump_shader(b
, dump_path
, "fail");
162 longjmp(b
->fail_jump
, 1);
165 struct spec_constant_value
{
173 static struct vtn_ssa_value
*
174 vtn_undef_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
176 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
179 if (glsl_type_is_vector_or_scalar(type
)) {
180 unsigned num_components
= glsl_get_vector_elements(val
->type
);
181 unsigned bit_size
= glsl_get_bit_size(val
->type
);
182 val
->def
= nir_ssa_undef(&b
->nb
, num_components
, bit_size
);
184 unsigned elems
= glsl_get_length(val
->type
);
185 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
186 if (glsl_type_is_matrix(type
)) {
187 const struct glsl_type
*elem_type
=
188 glsl_vector_type(glsl_get_base_type(type
),
189 glsl_get_vector_elements(type
));
191 for (unsigned i
= 0; i
< elems
; i
++)
192 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
193 } else if (glsl_type_is_array(type
)) {
194 const struct glsl_type
*elem_type
= glsl_get_array_element(type
);
195 for (unsigned i
= 0; i
< elems
; i
++)
196 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
198 for (unsigned i
= 0; i
< elems
; i
++) {
199 const struct glsl_type
*elem_type
= glsl_get_struct_field(type
, i
);
200 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
208 static struct vtn_ssa_value
*
209 vtn_const_ssa_value(struct vtn_builder
*b
, nir_constant
*constant
,
210 const struct glsl_type
*type
)
212 struct hash_entry
*entry
= _mesa_hash_table_search(b
->const_table
, constant
);
217 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
220 switch (glsl_get_base_type(type
)) {
223 case GLSL_TYPE_INT16
:
224 case GLSL_TYPE_UINT16
:
225 case GLSL_TYPE_UINT8
:
227 case GLSL_TYPE_INT64
:
228 case GLSL_TYPE_UINT64
:
230 case GLSL_TYPE_FLOAT
:
231 case GLSL_TYPE_FLOAT16
:
232 case GLSL_TYPE_DOUBLE
: {
233 int bit_size
= glsl_get_bit_size(type
);
234 if (glsl_type_is_vector_or_scalar(type
)) {
235 unsigned num_components
= glsl_get_vector_elements(val
->type
);
236 nir_load_const_instr
*load
=
237 nir_load_const_instr_create(b
->shader
, num_components
, bit_size
);
239 load
->value
= constant
->values
[0];
241 nir_instr_insert_before_cf_list(&b
->nb
.impl
->body
, &load
->instr
);
242 val
->def
= &load
->def
;
244 assert(glsl_type_is_matrix(type
));
245 unsigned rows
= glsl_get_vector_elements(val
->type
);
246 unsigned columns
= glsl_get_matrix_columns(val
->type
);
247 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, columns
);
249 for (unsigned i
= 0; i
< columns
; i
++) {
250 struct vtn_ssa_value
*col_val
= rzalloc(b
, struct vtn_ssa_value
);
251 col_val
->type
= glsl_get_column_type(val
->type
);
252 nir_load_const_instr
*load
=
253 nir_load_const_instr_create(b
->shader
, rows
, bit_size
);
255 load
->value
= constant
->values
[i
];
257 nir_instr_insert_before_cf_list(&b
->nb
.impl
->body
, &load
->instr
);
258 col_val
->def
= &load
->def
;
260 val
->elems
[i
] = col_val
;
266 case GLSL_TYPE_ARRAY
: {
267 unsigned elems
= glsl_get_length(val
->type
);
268 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
269 const struct glsl_type
*elem_type
= glsl_get_array_element(val
->type
);
270 for (unsigned i
= 0; i
< elems
; i
++)
271 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
276 case GLSL_TYPE_STRUCT
: {
277 unsigned elems
= glsl_get_length(val
->type
);
278 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
279 for (unsigned i
= 0; i
< elems
; i
++) {
280 const struct glsl_type
*elem_type
=
281 glsl_get_struct_field(val
->type
, i
);
282 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
289 vtn_fail("bad constant type");
295 struct vtn_ssa_value
*
296 vtn_ssa_value(struct vtn_builder
*b
, uint32_t value_id
)
298 struct vtn_value
*val
= vtn_untyped_value(b
, value_id
);
299 switch (val
->value_type
) {
300 case vtn_value_type_undef
:
301 return vtn_undef_ssa_value(b
, val
->type
->type
);
303 case vtn_value_type_constant
:
304 return vtn_const_ssa_value(b
, val
->constant
, val
->type
->type
);
306 case vtn_value_type_ssa
:
309 case vtn_value_type_pointer
:
310 vtn_assert(val
->pointer
->ptr_type
&& val
->pointer
->ptr_type
->type
);
311 struct vtn_ssa_value
*ssa
=
312 vtn_create_ssa_value(b
, val
->pointer
->ptr_type
->type
);
313 ssa
->def
= vtn_pointer_to_ssa(b
, val
->pointer
);
317 vtn_fail("Invalid type for an SSA value");
322 vtn_string_literal(struct vtn_builder
*b
, const uint32_t *words
,
323 unsigned word_count
, unsigned *words_used
)
325 char *dup
= ralloc_strndup(b
, (char *)words
, word_count
* sizeof(*words
));
327 /* Ammount of space taken by the string (including the null) */
328 unsigned len
= strlen(dup
) + 1;
329 *words_used
= DIV_ROUND_UP(len
, sizeof(*words
));
335 vtn_foreach_instruction(struct vtn_builder
*b
, const uint32_t *start
,
336 const uint32_t *end
, vtn_instruction_handler handler
)
342 const uint32_t *w
= start
;
344 SpvOp opcode
= w
[0] & SpvOpCodeMask
;
345 unsigned count
= w
[0] >> SpvWordCountShift
;
346 vtn_assert(count
>= 1 && w
+ count
<= end
);
348 b
->spirv_offset
= (uint8_t *)w
- (uint8_t *)b
->spirv
;
352 break; /* Do nothing */
355 b
->file
= vtn_value(b
, w
[1], vtn_value_type_string
)->str
;
367 if (!handler(b
, opcode
, w
, count
))
385 vtn_handle_extension(struct vtn_builder
*b
, SpvOp opcode
,
386 const uint32_t *w
, unsigned count
)
388 const char *ext
= (const char *)&w
[2];
390 case SpvOpExtInstImport
: {
391 struct vtn_value
*val
= vtn_push_value(b
, w
[1], vtn_value_type_extension
);
392 if (strcmp(ext
, "GLSL.std.450") == 0) {
393 val
->ext_handler
= vtn_handle_glsl450_instruction
;
394 } else if ((strcmp(ext
, "SPV_AMD_gcn_shader") == 0)
395 && (b
->options
&& b
->options
->caps
.gcn_shader
)) {
396 val
->ext_handler
= vtn_handle_amd_gcn_shader_instruction
;
397 } else if ((strcmp(ext
, "SPV_AMD_shader_trinary_minmax") == 0)
398 && (b
->options
&& b
->options
->caps
.trinary_minmax
)) {
399 val
->ext_handler
= vtn_handle_amd_shader_trinary_minmax_instruction
;
400 } else if (strcmp(ext
, "OpenCL.std") == 0) {
401 val
->ext_handler
= vtn_handle_opencl_instruction
;
403 vtn_fail("Unsupported extension: %s", ext
);
409 struct vtn_value
*val
= vtn_value(b
, w
[3], vtn_value_type_extension
);
410 bool handled
= val
->ext_handler(b
, w
[4], w
, count
);
416 vtn_fail("Unhandled opcode");
421 _foreach_decoration_helper(struct vtn_builder
*b
,
422 struct vtn_value
*base_value
,
424 struct vtn_value
*value
,
425 vtn_decoration_foreach_cb cb
, void *data
)
427 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
429 if (dec
->scope
== VTN_DEC_DECORATION
) {
430 member
= parent_member
;
431 } else if (dec
->scope
>= VTN_DEC_STRUCT_MEMBER0
) {
432 vtn_fail_if(value
->value_type
!= vtn_value_type_type
||
433 value
->type
->base_type
!= vtn_base_type_struct
,
434 "OpMemberDecorate and OpGroupMemberDecorate are only "
435 "allowed on OpTypeStruct");
436 /* This means we haven't recursed yet */
437 assert(value
== base_value
);
439 member
= dec
->scope
- VTN_DEC_STRUCT_MEMBER0
;
441 vtn_fail_if(member
>= base_value
->type
->length
,
442 "OpMemberDecorate specifies member %d but the "
443 "OpTypeStruct has only %u members",
444 member
, base_value
->type
->length
);
446 /* Not a decoration */
447 assert(dec
->scope
== VTN_DEC_EXECUTION_MODE
);
452 assert(dec
->group
->value_type
== vtn_value_type_decoration_group
);
453 _foreach_decoration_helper(b
, base_value
, member
, dec
->group
,
456 cb(b
, base_value
, member
, dec
, data
);
461 /** Iterates (recursively if needed) over all of the decorations on a value
463 * This function iterates over all of the decorations applied to a given
464 * value. If it encounters a decoration group, it recurses into the group
465 * and iterates over all of those decorations as well.
468 vtn_foreach_decoration(struct vtn_builder
*b
, struct vtn_value
*value
,
469 vtn_decoration_foreach_cb cb
, void *data
)
471 _foreach_decoration_helper(b
, value
, -1, value
, cb
, data
);
475 vtn_foreach_execution_mode(struct vtn_builder
*b
, struct vtn_value
*value
,
476 vtn_execution_mode_foreach_cb cb
, void *data
)
478 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
479 if (dec
->scope
!= VTN_DEC_EXECUTION_MODE
)
482 assert(dec
->group
== NULL
);
483 cb(b
, value
, dec
, data
);
488 vtn_handle_decoration(struct vtn_builder
*b
, SpvOp opcode
,
489 const uint32_t *w
, unsigned count
)
491 const uint32_t *w_end
= w
+ count
;
492 const uint32_t target
= w
[1];
496 case SpvOpDecorationGroup
:
497 vtn_push_value(b
, target
, vtn_value_type_decoration_group
);
501 case SpvOpMemberDecorate
:
502 case SpvOpDecorateStringGOOGLE
:
503 case SpvOpMemberDecorateStringGOOGLE
:
504 case SpvOpExecutionMode
:
505 case SpvOpExecutionModeId
: {
506 struct vtn_value
*val
= vtn_untyped_value(b
, target
);
508 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
511 case SpvOpDecorateStringGOOGLE
:
512 dec
->scope
= VTN_DEC_DECORATION
;
514 case SpvOpMemberDecorate
:
515 case SpvOpMemberDecorateStringGOOGLE
:
516 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(w
++);
517 vtn_fail_if(dec
->scope
< VTN_DEC_STRUCT_MEMBER0
, /* overflow */
518 "Member argument of OpMemberDecorate too large");
520 case SpvOpExecutionMode
:
521 case SpvOpExecutionModeId
:
522 dec
->scope
= VTN_DEC_EXECUTION_MODE
;
525 unreachable("Invalid decoration opcode");
527 dec
->decoration
= *(w
++);
530 /* Link into the list */
531 dec
->next
= val
->decoration
;
532 val
->decoration
= dec
;
536 case SpvOpGroupMemberDecorate
:
537 case SpvOpGroupDecorate
: {
538 struct vtn_value
*group
=
539 vtn_value(b
, target
, vtn_value_type_decoration_group
);
541 for (; w
< w_end
; w
++) {
542 struct vtn_value
*val
= vtn_untyped_value(b
, *w
);
543 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
546 if (opcode
== SpvOpGroupDecorate
) {
547 dec
->scope
= VTN_DEC_DECORATION
;
549 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(++w
);
550 vtn_fail_if(dec
->scope
< 0, /* Check for overflow */
551 "Member argument of OpGroupMemberDecorate too large");
554 /* Link into the list */
555 dec
->next
= val
->decoration
;
556 val
->decoration
= dec
;
562 unreachable("Unhandled opcode");
566 struct member_decoration_ctx
{
568 struct glsl_struct_field
*fields
;
569 struct vtn_type
*type
;
573 * Returns true if the given type contains a struct decorated Block or
577 vtn_type_contains_block(struct vtn_builder
*b
, struct vtn_type
*type
)
579 switch (type
->base_type
) {
580 case vtn_base_type_array
:
581 return vtn_type_contains_block(b
, type
->array_element
);
582 case vtn_base_type_struct
:
583 if (type
->block
|| type
->buffer_block
)
585 for (unsigned i
= 0; i
< type
->length
; i
++) {
586 if (vtn_type_contains_block(b
, type
->members
[i
]))
595 /** Returns true if two types are "compatible", i.e. you can do an OpLoad,
596 * OpStore, or OpCopyMemory between them without breaking anything.
597 * Technically, the SPIR-V rules require the exact same type ID but this lets
598 * us internally be a bit looser.
601 vtn_types_compatible(struct vtn_builder
*b
,
602 struct vtn_type
*t1
, struct vtn_type
*t2
)
604 if (t1
->id
== t2
->id
)
607 if (t1
->base_type
!= t2
->base_type
)
610 switch (t1
->base_type
) {
611 case vtn_base_type_void
:
612 case vtn_base_type_scalar
:
613 case vtn_base_type_vector
:
614 case vtn_base_type_matrix
:
615 case vtn_base_type_image
:
616 case vtn_base_type_sampler
:
617 case vtn_base_type_sampled_image
:
618 return t1
->type
== t2
->type
;
620 case vtn_base_type_array
:
621 return t1
->length
== t2
->length
&&
622 vtn_types_compatible(b
, t1
->array_element
, t2
->array_element
);
624 case vtn_base_type_pointer
:
625 return vtn_types_compatible(b
, t1
->deref
, t2
->deref
);
627 case vtn_base_type_struct
:
628 if (t1
->length
!= t2
->length
)
631 for (unsigned i
= 0; i
< t1
->length
; i
++) {
632 if (!vtn_types_compatible(b
, t1
->members
[i
], t2
->members
[i
]))
637 case vtn_base_type_function
:
638 /* This case shouldn't get hit since you can't copy around function
639 * types. Just require them to be identical.
644 vtn_fail("Invalid base type");
647 /* does a shallow copy of a vtn_type */
649 static struct vtn_type
*
650 vtn_type_copy(struct vtn_builder
*b
, struct vtn_type
*src
)
652 struct vtn_type
*dest
= ralloc(b
, struct vtn_type
);
655 switch (src
->base_type
) {
656 case vtn_base_type_void
:
657 case vtn_base_type_scalar
:
658 case vtn_base_type_vector
:
659 case vtn_base_type_matrix
:
660 case vtn_base_type_array
:
661 case vtn_base_type_pointer
:
662 case vtn_base_type_image
:
663 case vtn_base_type_sampler
:
664 case vtn_base_type_sampled_image
:
665 /* Nothing more to do */
668 case vtn_base_type_struct
:
669 dest
->members
= ralloc_array(b
, struct vtn_type
*, src
->length
);
670 memcpy(dest
->members
, src
->members
,
671 src
->length
* sizeof(src
->members
[0]));
673 dest
->offsets
= ralloc_array(b
, unsigned, src
->length
);
674 memcpy(dest
->offsets
, src
->offsets
,
675 src
->length
* sizeof(src
->offsets
[0]));
678 case vtn_base_type_function
:
679 dest
->params
= ralloc_array(b
, struct vtn_type
*, src
->length
);
680 memcpy(dest
->params
, src
->params
, src
->length
* sizeof(src
->params
[0]));
687 static struct vtn_type
*
688 mutable_matrix_member(struct vtn_builder
*b
, struct vtn_type
*type
, int member
)
690 type
->members
[member
] = vtn_type_copy(b
, type
->members
[member
]);
691 type
= type
->members
[member
];
693 /* We may have an array of matrices.... Oh, joy! */
694 while (glsl_type_is_array(type
->type
)) {
695 type
->array_element
= vtn_type_copy(b
, type
->array_element
);
696 type
= type
->array_element
;
699 vtn_assert(glsl_type_is_matrix(type
->type
));
705 vtn_handle_access_qualifier(struct vtn_builder
*b
, struct vtn_type
*type
,
706 int member
, enum gl_access_qualifier access
)
708 type
->members
[member
] = vtn_type_copy(b
, type
->members
[member
]);
709 type
= type
->members
[member
];
711 type
->access
|= access
;
715 array_stride_decoration_cb(struct vtn_builder
*b
,
716 struct vtn_value
*val
, int member
,
717 const struct vtn_decoration
*dec
, void *void_ctx
)
719 struct vtn_type
*type
= val
->type
;
721 if (dec
->decoration
== SpvDecorationArrayStride
) {
722 vtn_fail_if(dec
->literals
[0] == 0, "ArrayStride must be non-zero");
723 type
->stride
= dec
->literals
[0];
728 struct_member_decoration_cb(struct vtn_builder
*b
,
729 struct vtn_value
*val
, int member
,
730 const struct vtn_decoration
*dec
, void *void_ctx
)
732 struct member_decoration_ctx
*ctx
= void_ctx
;
737 assert(member
< ctx
->num_fields
);
739 switch (dec
->decoration
) {
740 case SpvDecorationRelaxedPrecision
:
741 case SpvDecorationUniform
:
742 break; /* FIXME: Do nothing with this for now. */
743 case SpvDecorationNonWritable
:
744 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_NON_WRITEABLE
);
746 case SpvDecorationNonReadable
:
747 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_NON_READABLE
);
749 case SpvDecorationVolatile
:
750 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_VOLATILE
);
752 case SpvDecorationCoherent
:
753 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_COHERENT
);
755 case SpvDecorationNoPerspective
:
756 ctx
->fields
[member
].interpolation
= INTERP_MODE_NOPERSPECTIVE
;
758 case SpvDecorationFlat
:
759 ctx
->fields
[member
].interpolation
= INTERP_MODE_FLAT
;
761 case SpvDecorationCentroid
:
762 ctx
->fields
[member
].centroid
= true;
764 case SpvDecorationSample
:
765 ctx
->fields
[member
].sample
= true;
767 case SpvDecorationStream
:
768 /* Vulkan only allows one GS stream */
769 vtn_assert(dec
->literals
[0] == 0);
771 case SpvDecorationLocation
:
772 ctx
->fields
[member
].location
= dec
->literals
[0];
774 case SpvDecorationComponent
:
775 break; /* FIXME: What should we do with these? */
776 case SpvDecorationBuiltIn
:
777 ctx
->type
->members
[member
] = vtn_type_copy(b
, ctx
->type
->members
[member
]);
778 ctx
->type
->members
[member
]->is_builtin
= true;
779 ctx
->type
->members
[member
]->builtin
= dec
->literals
[0];
780 ctx
->type
->builtin_block
= true;
782 case SpvDecorationOffset
:
783 ctx
->type
->offsets
[member
] = dec
->literals
[0];
784 ctx
->fields
[member
].offset
= dec
->literals
[0];
786 case SpvDecorationMatrixStride
:
787 /* Handled as a second pass */
789 case SpvDecorationColMajor
:
790 break; /* Nothing to do here. Column-major is the default. */
791 case SpvDecorationRowMajor
:
792 mutable_matrix_member(b
, ctx
->type
, member
)->row_major
= true;
795 case SpvDecorationPatch
:
798 case SpvDecorationSpecId
:
799 case SpvDecorationBlock
:
800 case SpvDecorationBufferBlock
:
801 case SpvDecorationArrayStride
:
802 case SpvDecorationGLSLShared
:
803 case SpvDecorationGLSLPacked
:
804 case SpvDecorationInvariant
:
805 case SpvDecorationRestrict
:
806 case SpvDecorationAliased
:
807 case SpvDecorationConstant
:
808 case SpvDecorationIndex
:
809 case SpvDecorationBinding
:
810 case SpvDecorationDescriptorSet
:
811 case SpvDecorationLinkageAttributes
:
812 case SpvDecorationNoContraction
:
813 case SpvDecorationInputAttachmentIndex
:
814 vtn_warn("Decoration not allowed on struct members: %s",
815 spirv_decoration_to_string(dec
->decoration
));
818 case SpvDecorationXfbBuffer
:
819 case SpvDecorationXfbStride
:
820 vtn_warn("Vulkan does not have transform feedback");
823 case SpvDecorationCPacked
:
824 if (b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
)
825 vtn_warn("Decoration only allowed for CL-style kernels: %s",
826 spirv_decoration_to_string(dec
->decoration
));
828 ctx
->type
->packed
= true;
831 case SpvDecorationSaturatedConversion
:
832 case SpvDecorationFuncParamAttr
:
833 case SpvDecorationFPRoundingMode
:
834 case SpvDecorationFPFastMathMode
:
835 case SpvDecorationAlignment
:
836 if (b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
) {
837 vtn_warn("Decoration only allowed for CL-style kernels: %s",
838 spirv_decoration_to_string(dec
->decoration
));
842 case SpvDecorationHlslSemanticGOOGLE
:
843 /* HLSL semantic decorations can safely be ignored by the driver. */
847 vtn_fail("Unhandled decoration");
851 /** Chases the array type all the way down to the tail and rewrites the
852 * glsl_types to be based off the tail's glsl_type.
855 vtn_array_type_rewrite_glsl_type(struct vtn_type
*type
)
857 if (type
->base_type
!= vtn_base_type_array
)
860 vtn_array_type_rewrite_glsl_type(type
->array_element
);
862 type
->type
= glsl_array_type(type
->array_element
->type
,
863 type
->length
, type
->stride
);
866 /* Matrix strides are handled as a separate pass because we need to know
867 * whether the matrix is row-major or not first.
870 struct_member_matrix_stride_cb(struct vtn_builder
*b
,
871 struct vtn_value
*val
, int member
,
872 const struct vtn_decoration
*dec
,
875 if (dec
->decoration
!= SpvDecorationMatrixStride
)
878 vtn_fail_if(member
< 0,
879 "The MatrixStride decoration is only allowed on members "
881 vtn_fail_if(dec
->literals
[0] == 0, "MatrixStride must be non-zero");
883 struct member_decoration_ctx
*ctx
= void_ctx
;
885 struct vtn_type
*mat_type
= mutable_matrix_member(b
, ctx
->type
, member
);
886 if (mat_type
->row_major
) {
887 mat_type
->array_element
= vtn_type_copy(b
, mat_type
->array_element
);
888 mat_type
->stride
= mat_type
->array_element
->stride
;
889 mat_type
->array_element
->stride
= dec
->literals
[0];
891 mat_type
->type
= glsl_explicit_matrix_type(mat_type
->type
,
892 dec
->literals
[0], true);
893 mat_type
->array_element
->type
= glsl_get_column_type(mat_type
->type
);
895 vtn_assert(mat_type
->array_element
->stride
> 0);
896 mat_type
->stride
= dec
->literals
[0];
898 mat_type
->type
= glsl_explicit_matrix_type(mat_type
->type
,
899 dec
->literals
[0], false);
902 /* Now that we've replaced the glsl_type with a properly strided matrix
903 * type, rewrite the member type so that it's an array of the proper kind
906 vtn_array_type_rewrite_glsl_type(ctx
->type
->members
[member
]);
907 ctx
->fields
[member
].type
= ctx
->type
->members
[member
]->type
;
911 struct_block_decoration_cb(struct vtn_builder
*b
,
912 struct vtn_value
*val
, int member
,
913 const struct vtn_decoration
*dec
, void *ctx
)
918 struct vtn_type
*type
= val
->type
;
919 if (dec
->decoration
== SpvDecorationBlock
)
921 else if (dec
->decoration
== SpvDecorationBufferBlock
)
922 type
->buffer_block
= true;
926 type_decoration_cb(struct vtn_builder
*b
,
927 struct vtn_value
*val
, int member
,
928 const struct vtn_decoration
*dec
, void *ctx
)
930 struct vtn_type
*type
= val
->type
;
933 /* This should have been handled by OpTypeStruct */
934 assert(val
->type
->base_type
== vtn_base_type_struct
);
935 assert(member
>= 0 && member
< val
->type
->length
);
939 switch (dec
->decoration
) {
940 case SpvDecorationArrayStride
:
941 vtn_assert(type
->base_type
== vtn_base_type_array
||
942 type
->base_type
== vtn_base_type_pointer
);
944 case SpvDecorationBlock
:
945 vtn_assert(type
->base_type
== vtn_base_type_struct
);
946 vtn_assert(type
->block
);
948 case SpvDecorationBufferBlock
:
949 vtn_assert(type
->base_type
== vtn_base_type_struct
);
950 vtn_assert(type
->buffer_block
);
952 case SpvDecorationGLSLShared
:
953 case SpvDecorationGLSLPacked
:
954 /* Ignore these, since we get explicit offsets anyways */
957 case SpvDecorationRowMajor
:
958 case SpvDecorationColMajor
:
959 case SpvDecorationMatrixStride
:
960 case SpvDecorationBuiltIn
:
961 case SpvDecorationNoPerspective
:
962 case SpvDecorationFlat
:
963 case SpvDecorationPatch
:
964 case SpvDecorationCentroid
:
965 case SpvDecorationSample
:
966 case SpvDecorationVolatile
:
967 case SpvDecorationCoherent
:
968 case SpvDecorationNonWritable
:
969 case SpvDecorationNonReadable
:
970 case SpvDecorationUniform
:
971 case SpvDecorationLocation
:
972 case SpvDecorationComponent
:
973 case SpvDecorationOffset
:
974 case SpvDecorationXfbBuffer
:
975 case SpvDecorationXfbStride
:
976 case SpvDecorationHlslSemanticGOOGLE
:
977 vtn_warn("Decoration only allowed for struct members: %s",
978 spirv_decoration_to_string(dec
->decoration
));
981 case SpvDecorationStream
:
982 /* We don't need to do anything here, as stream is filled up when
983 * aplying the decoration to a variable, just check that if it is not a
984 * struct member, it should be a struct.
986 vtn_assert(type
->base_type
== vtn_base_type_struct
);
989 case SpvDecorationRelaxedPrecision
:
990 case SpvDecorationSpecId
:
991 case SpvDecorationInvariant
:
992 case SpvDecorationRestrict
:
993 case SpvDecorationAliased
:
994 case SpvDecorationConstant
:
995 case SpvDecorationIndex
:
996 case SpvDecorationBinding
:
997 case SpvDecorationDescriptorSet
:
998 case SpvDecorationLinkageAttributes
:
999 case SpvDecorationNoContraction
:
1000 case SpvDecorationInputAttachmentIndex
:
1001 vtn_warn("Decoration not allowed on types: %s",
1002 spirv_decoration_to_string(dec
->decoration
));
1005 case SpvDecorationCPacked
:
1006 if (b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
)
1007 vtn_warn("Decoration only allowed for CL-style kernels: %s",
1008 spirv_decoration_to_string(dec
->decoration
));
1010 type
->packed
= true;
1013 case SpvDecorationSaturatedConversion
:
1014 case SpvDecorationFuncParamAttr
:
1015 case SpvDecorationFPRoundingMode
:
1016 case SpvDecorationFPFastMathMode
:
1017 case SpvDecorationAlignment
:
1018 vtn_warn("Decoration only allowed for CL-style kernels: %s",
1019 spirv_decoration_to_string(dec
->decoration
));
1023 vtn_fail("Unhandled decoration");
1028 translate_image_format(struct vtn_builder
*b
, SpvImageFormat format
)
1031 case SpvImageFormatUnknown
: return 0; /* GL_NONE */
1032 case SpvImageFormatRgba32f
: return 0x8814; /* GL_RGBA32F */
1033 case SpvImageFormatRgba16f
: return 0x881A; /* GL_RGBA16F */
1034 case SpvImageFormatR32f
: return 0x822E; /* GL_R32F */
1035 case SpvImageFormatRgba8
: return 0x8058; /* GL_RGBA8 */
1036 case SpvImageFormatRgba8Snorm
: return 0x8F97; /* GL_RGBA8_SNORM */
1037 case SpvImageFormatRg32f
: return 0x8230; /* GL_RG32F */
1038 case SpvImageFormatRg16f
: return 0x822F; /* GL_RG16F */
1039 case SpvImageFormatR11fG11fB10f
: return 0x8C3A; /* GL_R11F_G11F_B10F */
1040 case SpvImageFormatR16f
: return 0x822D; /* GL_R16F */
1041 case SpvImageFormatRgba16
: return 0x805B; /* GL_RGBA16 */
1042 case SpvImageFormatRgb10A2
: return 0x8059; /* GL_RGB10_A2 */
1043 case SpvImageFormatRg16
: return 0x822C; /* GL_RG16 */
1044 case SpvImageFormatRg8
: return 0x822B; /* GL_RG8 */
1045 case SpvImageFormatR16
: return 0x822A; /* GL_R16 */
1046 case SpvImageFormatR8
: return 0x8229; /* GL_R8 */
1047 case SpvImageFormatRgba16Snorm
: return 0x8F9B; /* GL_RGBA16_SNORM */
1048 case SpvImageFormatRg16Snorm
: return 0x8F99; /* GL_RG16_SNORM */
1049 case SpvImageFormatRg8Snorm
: return 0x8F95; /* GL_RG8_SNORM */
1050 case SpvImageFormatR16Snorm
: return 0x8F98; /* GL_R16_SNORM */
1051 case SpvImageFormatR8Snorm
: return 0x8F94; /* GL_R8_SNORM */
1052 case SpvImageFormatRgba32i
: return 0x8D82; /* GL_RGBA32I */
1053 case SpvImageFormatRgba16i
: return 0x8D88; /* GL_RGBA16I */
1054 case SpvImageFormatRgba8i
: return 0x8D8E; /* GL_RGBA8I */
1055 case SpvImageFormatR32i
: return 0x8235; /* GL_R32I */
1056 case SpvImageFormatRg32i
: return 0x823B; /* GL_RG32I */
1057 case SpvImageFormatRg16i
: return 0x8239; /* GL_RG16I */
1058 case SpvImageFormatRg8i
: return 0x8237; /* GL_RG8I */
1059 case SpvImageFormatR16i
: return 0x8233; /* GL_R16I */
1060 case SpvImageFormatR8i
: return 0x8231; /* GL_R8I */
1061 case SpvImageFormatRgba32ui
: return 0x8D70; /* GL_RGBA32UI */
1062 case SpvImageFormatRgba16ui
: return 0x8D76; /* GL_RGBA16UI */
1063 case SpvImageFormatRgba8ui
: return 0x8D7C; /* GL_RGBA8UI */
1064 case SpvImageFormatR32ui
: return 0x8236; /* GL_R32UI */
1065 case SpvImageFormatRgb10a2ui
: return 0x906F; /* GL_RGB10_A2UI */
1066 case SpvImageFormatRg32ui
: return 0x823C; /* GL_RG32UI */
1067 case SpvImageFormatRg16ui
: return 0x823A; /* GL_RG16UI */
1068 case SpvImageFormatRg8ui
: return 0x8238; /* GL_RG8UI */
1069 case SpvImageFormatR16ui
: return 0x8234; /* GL_R16UI */
1070 case SpvImageFormatR8ui
: return 0x8232; /* GL_R8UI */
1072 vtn_fail("Invalid image format");
1076 static struct vtn_type
*
1077 vtn_type_layout_std430(struct vtn_builder
*b
, struct vtn_type
*type
,
1078 uint32_t *size_out
, uint32_t *align_out
)
1080 switch (type
->base_type
) {
1081 case vtn_base_type_scalar
: {
1082 uint32_t comp_size
= glsl_type_is_boolean(type
->type
)
1083 ? 4 : glsl_get_bit_size(type
->type
) / 8;
1084 *size_out
= comp_size
;
1085 *align_out
= comp_size
;
1089 case vtn_base_type_vector
: {
1090 uint32_t comp_size
= glsl_type_is_boolean(type
->type
)
1091 ? 4 : glsl_get_bit_size(type
->type
) / 8;
1092 unsigned align_comps
= type
->length
== 3 ? 4 : type
->length
;
1093 *size_out
= comp_size
* type
->length
,
1094 *align_out
= comp_size
* align_comps
;
1098 case vtn_base_type_matrix
:
1099 case vtn_base_type_array
: {
1100 /* We're going to add an array stride */
1101 type
= vtn_type_copy(b
, type
);
1102 uint32_t elem_size
, elem_align
;
1103 type
->array_element
= vtn_type_layout_std430(b
, type
->array_element
,
1104 &elem_size
, &elem_align
);
1105 type
->stride
= vtn_align_u32(elem_size
, elem_align
);
1106 *size_out
= type
->stride
* type
->length
;
1107 *align_out
= elem_align
;
1111 case vtn_base_type_struct
: {
1112 /* We're going to add member offsets */
1113 type
= vtn_type_copy(b
, type
);
1114 uint32_t offset
= 0;
1116 for (unsigned i
= 0; i
< type
->length
; i
++) {
1117 uint32_t mem_size
, mem_align
;
1118 type
->members
[i
] = vtn_type_layout_std430(b
, type
->members
[i
],
1119 &mem_size
, &mem_align
);
1120 offset
= vtn_align_u32(offset
, mem_align
);
1121 type
->offsets
[i
] = offset
;
1123 align
= MAX2(align
, mem_align
);
1131 unreachable("Invalid SPIR-V type for std430");
1136 vtn_handle_type(struct vtn_builder
*b
, SpvOp opcode
,
1137 const uint32_t *w
, unsigned count
)
1139 struct vtn_value
*val
= NULL
;
1141 /* In order to properly handle forward declarations, we have to defer
1142 * allocation for pointer types.
1144 if (opcode
!= SpvOpTypePointer
&& opcode
!= SpvOpTypeForwardPointer
) {
1145 val
= vtn_push_value(b
, w
[1], vtn_value_type_type
);
1146 vtn_fail_if(val
->type
!= NULL
,
1147 "Only pointers can have forward declarations");
1148 val
->type
= rzalloc(b
, struct vtn_type
);
1149 val
->type
->id
= w
[1];
1154 val
->type
->base_type
= vtn_base_type_void
;
1155 val
->type
->type
= glsl_void_type();
1158 val
->type
->base_type
= vtn_base_type_scalar
;
1159 val
->type
->type
= glsl_bool_type();
1160 val
->type
->length
= 1;
1162 case SpvOpTypeInt
: {
1163 int bit_size
= w
[2];
1164 const bool signedness
= w
[3];
1165 val
->type
->base_type
= vtn_base_type_scalar
;
1168 val
->type
->type
= (signedness
? glsl_int64_t_type() : glsl_uint64_t_type());
1171 val
->type
->type
= (signedness
? glsl_int_type() : glsl_uint_type());
1174 val
->type
->type
= (signedness
? glsl_int16_t_type() : glsl_uint16_t_type());
1177 val
->type
->type
= (signedness
? glsl_int8_t_type() : glsl_uint8_t_type());
1180 vtn_fail("Invalid int bit size");
1182 val
->type
->length
= 1;
1186 case SpvOpTypeFloat
: {
1187 int bit_size
= w
[2];
1188 val
->type
->base_type
= vtn_base_type_scalar
;
1191 val
->type
->type
= glsl_float16_t_type();
1194 val
->type
->type
= glsl_float_type();
1197 val
->type
->type
= glsl_double_type();
1200 vtn_fail("Invalid float bit size");
1202 val
->type
->length
= 1;
1206 case SpvOpTypeVector
: {
1207 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1208 unsigned elems
= w
[3];
1210 vtn_fail_if(base
->base_type
!= vtn_base_type_scalar
,
1211 "Base type for OpTypeVector must be a scalar");
1212 vtn_fail_if((elems
< 2 || elems
> 4) && (elems
!= 8) && (elems
!= 16),
1213 "Invalid component count for OpTypeVector");
1215 val
->type
->base_type
= vtn_base_type_vector
;
1216 val
->type
->type
= glsl_vector_type(glsl_get_base_type(base
->type
), elems
);
1217 val
->type
->length
= elems
;
1218 val
->type
->stride
= glsl_type_is_boolean(val
->type
->type
)
1219 ? 4 : glsl_get_bit_size(base
->type
) / 8;
1220 val
->type
->array_element
= base
;
1224 case SpvOpTypeMatrix
: {
1225 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1226 unsigned columns
= w
[3];
1228 vtn_fail_if(base
->base_type
!= vtn_base_type_vector
,
1229 "Base type for OpTypeMatrix must be a vector");
1230 vtn_fail_if(columns
< 2 || columns
> 4,
1231 "Invalid column count for OpTypeMatrix");
1233 val
->type
->base_type
= vtn_base_type_matrix
;
1234 val
->type
->type
= glsl_matrix_type(glsl_get_base_type(base
->type
),
1235 glsl_get_vector_elements(base
->type
),
1237 vtn_fail_if(glsl_type_is_error(val
->type
->type
),
1238 "Unsupported base type for OpTypeMatrix");
1239 assert(!glsl_type_is_error(val
->type
->type
));
1240 val
->type
->length
= columns
;
1241 val
->type
->array_element
= base
;
1242 val
->type
->row_major
= false;
1243 val
->type
->stride
= 0;
1247 case SpvOpTypeRuntimeArray
:
1248 case SpvOpTypeArray
: {
1249 struct vtn_type
*array_element
=
1250 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1252 if (opcode
== SpvOpTypeRuntimeArray
) {
1253 /* A length of 0 is used to denote unsized arrays */
1254 val
->type
->length
= 0;
1257 vtn_value(b
, w
[3], vtn_value_type_constant
)->constant
->values
[0].u32
[0];
1260 val
->type
->base_type
= vtn_base_type_array
;
1261 val
->type
->array_element
= array_element
;
1262 if (b
->shader
->info
.stage
== MESA_SHADER_KERNEL
)
1263 val
->type
->stride
= glsl_get_cl_size(array_element
->type
);
1265 vtn_foreach_decoration(b
, val
, array_stride_decoration_cb
, NULL
);
1266 val
->type
->type
= glsl_array_type(array_element
->type
, val
->type
->length
,
1271 case SpvOpTypeStruct
: {
1272 unsigned num_fields
= count
- 2;
1273 val
->type
->base_type
= vtn_base_type_struct
;
1274 val
->type
->length
= num_fields
;
1275 val
->type
->members
= ralloc_array(b
, struct vtn_type
*, num_fields
);
1276 val
->type
->offsets
= ralloc_array(b
, unsigned, num_fields
);
1277 val
->type
->packed
= false;
1279 NIR_VLA(struct glsl_struct_field
, fields
, count
);
1280 for (unsigned i
= 0; i
< num_fields
; i
++) {
1281 val
->type
->members
[i
] =
1282 vtn_value(b
, w
[i
+ 2], vtn_value_type_type
)->type
;
1283 fields
[i
] = (struct glsl_struct_field
) {
1284 .type
= val
->type
->members
[i
]->type
,
1285 .name
= ralloc_asprintf(b
, "field%d", i
),
1291 if (b
->shader
->info
.stage
== MESA_SHADER_KERNEL
) {
1292 unsigned offset
= 0;
1293 for (unsigned i
= 0; i
< num_fields
; i
++) {
1294 offset
= align(offset
, glsl_get_cl_alignment(fields
[i
].type
));
1295 fields
[i
].offset
= offset
;
1296 offset
+= glsl_get_cl_size(fields
[i
].type
);
1300 struct member_decoration_ctx ctx
= {
1301 .num_fields
= num_fields
,
1306 vtn_foreach_decoration(b
, val
, struct_member_decoration_cb
, &ctx
);
1307 vtn_foreach_decoration(b
, val
, struct_member_matrix_stride_cb
, &ctx
);
1309 vtn_foreach_decoration(b
, val
, struct_block_decoration_cb
, NULL
);
1311 const char *name
= val
->name
;
1313 if (val
->type
->block
|| val
->type
->buffer_block
) {
1314 /* Packing will be ignored since types coming from SPIR-V are
1315 * explicitly laid out.
1317 val
->type
->type
= glsl_interface_type(fields
, num_fields
,
1318 /* packing */ 0, false,
1319 name
? name
: "block");
1321 val
->type
->type
= glsl_struct_type(fields
, num_fields
,
1322 name
? name
: "struct", false);
1327 case SpvOpTypeFunction
: {
1328 val
->type
->base_type
= vtn_base_type_function
;
1329 val
->type
->type
= NULL
;
1331 val
->type
->return_type
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1333 const unsigned num_params
= count
- 3;
1334 val
->type
->length
= num_params
;
1335 val
->type
->params
= ralloc_array(b
, struct vtn_type
*, num_params
);
1336 for (unsigned i
= 0; i
< count
- 3; i
++) {
1337 val
->type
->params
[i
] =
1338 vtn_value(b
, w
[i
+ 3], vtn_value_type_type
)->type
;
1343 case SpvOpTypePointer
:
1344 case SpvOpTypeForwardPointer
: {
1345 /* We can't blindly push the value because it might be a forward
1348 val
= vtn_untyped_value(b
, w
[1]);
1350 SpvStorageClass storage_class
= w
[2];
1352 if (val
->value_type
== vtn_value_type_invalid
) {
1353 val
->value_type
= vtn_value_type_type
;
1354 val
->type
= rzalloc(b
, struct vtn_type
);
1355 val
->type
->id
= w
[1];
1356 val
->type
->base_type
= vtn_base_type_pointer
;
1357 val
->type
->storage_class
= storage_class
;
1359 /* These can actually be stored to nir_variables and used as SSA
1360 * values so they need a real glsl_type.
1362 switch (storage_class
) {
1363 case SpvStorageClassUniform
:
1364 val
->type
->type
= b
->options
->ubo_ptr_type
;
1366 case SpvStorageClassStorageBuffer
:
1367 val
->type
->type
= b
->options
->ssbo_ptr_type
;
1369 case SpvStorageClassPhysicalStorageBufferEXT
:
1370 val
->type
->type
= b
->options
->phys_ssbo_ptr_type
;
1372 case SpvStorageClassPushConstant
:
1373 val
->type
->type
= b
->options
->push_const_ptr_type
;
1375 case SpvStorageClassWorkgroup
:
1376 val
->type
->type
= b
->options
->shared_ptr_type
;
1378 case SpvStorageClassCrossWorkgroup
:
1379 val
->type
->type
= b
->options
->global_ptr_type
;
1381 case SpvStorageClassFunction
:
1382 if (b
->physical_ptrs
)
1383 val
->type
->type
= b
->options
->temp_ptr_type
;
1386 /* In this case, no variable pointers are allowed so all deref
1387 * chains are complete back to the variable and it doesn't matter
1388 * what type gets used so we leave it NULL.
1393 vtn_fail_if(val
->type
->storage_class
!= storage_class
,
1394 "The storage classes of an OpTypePointer and any "
1395 "OpTypeForwardPointers that provide forward "
1396 "declarations of it must match.");
1399 if (opcode
== SpvOpTypePointer
) {
1400 vtn_fail_if(val
->type
->deref
!= NULL
,
1401 "While OpTypeForwardPointer can be used to provide a "
1402 "forward declaration of a pointer, OpTypePointer can "
1403 "only be used once for a given id.");
1405 val
->type
->deref
= vtn_value(b
, w
[3], vtn_value_type_type
)->type
;
1407 vtn_foreach_decoration(b
, val
, array_stride_decoration_cb
, NULL
);
1409 if (b
->physical_ptrs
) {
1410 switch (storage_class
) {
1411 case SpvStorageClassFunction
:
1412 case SpvStorageClassWorkgroup
:
1413 case SpvStorageClassCrossWorkgroup
:
1414 val
->type
->stride
= align(glsl_get_cl_size(val
->type
->deref
->type
),
1415 glsl_get_cl_alignment(val
->type
->deref
->type
));
1422 if (storage_class
== SpvStorageClassWorkgroup
&&
1423 b
->options
->lower_workgroup_access_to_offsets
) {
1424 uint32_t size
, align
;
1425 val
->type
->deref
= vtn_type_layout_std430(b
, val
->type
->deref
,
1427 val
->type
->length
= size
;
1428 val
->type
->align
= align
;
1434 case SpvOpTypeImage
: {
1435 val
->type
->base_type
= vtn_base_type_image
;
1437 const struct vtn_type
*sampled_type
=
1438 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1440 vtn_fail_if(sampled_type
->base_type
!= vtn_base_type_scalar
||
1441 glsl_get_bit_size(sampled_type
->type
) != 32,
1442 "Sampled type of OpTypeImage must be a 32-bit scalar");
1444 enum glsl_sampler_dim dim
;
1445 switch ((SpvDim
)w
[3]) {
1446 case SpvDim1D
: dim
= GLSL_SAMPLER_DIM_1D
; break;
1447 case SpvDim2D
: dim
= GLSL_SAMPLER_DIM_2D
; break;
1448 case SpvDim3D
: dim
= GLSL_SAMPLER_DIM_3D
; break;
1449 case SpvDimCube
: dim
= GLSL_SAMPLER_DIM_CUBE
; break;
1450 case SpvDimRect
: dim
= GLSL_SAMPLER_DIM_RECT
; break;
1451 case SpvDimBuffer
: dim
= GLSL_SAMPLER_DIM_BUF
; break;
1452 case SpvDimSubpassData
: dim
= GLSL_SAMPLER_DIM_SUBPASS
; break;
1454 vtn_fail("Invalid SPIR-V image dimensionality");
1457 /* w[4]: as per Vulkan spec "Validation Rules within a Module",
1458 * The “Depth” operand of OpTypeImage is ignored.
1460 bool is_array
= w
[5];
1461 bool multisampled
= w
[6];
1462 unsigned sampled
= w
[7];
1463 SpvImageFormat format
= w
[8];
1466 val
->type
->access_qualifier
= w
[9];
1468 val
->type
->access_qualifier
= SpvAccessQualifierReadWrite
;
1471 if (dim
== GLSL_SAMPLER_DIM_2D
)
1472 dim
= GLSL_SAMPLER_DIM_MS
;
1473 else if (dim
== GLSL_SAMPLER_DIM_SUBPASS
)
1474 dim
= GLSL_SAMPLER_DIM_SUBPASS_MS
;
1476 vtn_fail("Unsupported multisampled image type");
1479 val
->type
->image_format
= translate_image_format(b
, format
);
1481 enum glsl_base_type sampled_base_type
=
1482 glsl_get_base_type(sampled_type
->type
);
1484 val
->type
->sampled
= true;
1485 val
->type
->type
= glsl_sampler_type(dim
, false, is_array
,
1487 } else if (sampled
== 2) {
1488 val
->type
->sampled
= false;
1489 val
->type
->type
= glsl_image_type(dim
, is_array
, sampled_base_type
);
1491 vtn_fail("We need to know if the image will be sampled");
1496 case SpvOpTypeSampledImage
:
1497 val
->type
->base_type
= vtn_base_type_sampled_image
;
1498 val
->type
->image
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1499 val
->type
->type
= val
->type
->image
->type
;
1502 case SpvOpTypeSampler
:
1503 /* The actual sampler type here doesn't really matter. It gets
1504 * thrown away the moment you combine it with an image. What really
1505 * matters is that it's a sampler type as opposed to an integer type
1506 * so the backend knows what to do.
1508 val
->type
->base_type
= vtn_base_type_sampler
;
1509 val
->type
->type
= glsl_bare_sampler_type();
1512 case SpvOpTypeOpaque
:
1513 case SpvOpTypeEvent
:
1514 case SpvOpTypeDeviceEvent
:
1515 case SpvOpTypeReserveId
:
1516 case SpvOpTypeQueue
:
1519 vtn_fail("Unhandled opcode");
1522 vtn_foreach_decoration(b
, val
, type_decoration_cb
, NULL
);
1524 if (val
->type
->base_type
== vtn_base_type_struct
&&
1525 (val
->type
->block
|| val
->type
->buffer_block
)) {
1526 for (unsigned i
= 0; i
< val
->type
->length
; i
++) {
1527 vtn_fail_if(vtn_type_contains_block(b
, val
->type
->members
[i
]),
1528 "Block and BufferBlock decorations cannot decorate a "
1529 "structure type that is nested at any level inside "
1530 "another structure type decorated with Block or "
1536 static nir_constant
*
1537 vtn_null_constant(struct vtn_builder
*b
, const struct glsl_type
*type
)
1539 nir_constant
*c
= rzalloc(b
, nir_constant
);
1541 /* For pointers and other typeless things, we have to return something but
1542 * it doesn't matter what.
1547 switch (glsl_get_base_type(type
)) {
1549 case GLSL_TYPE_UINT
:
1550 case GLSL_TYPE_INT16
:
1551 case GLSL_TYPE_UINT16
:
1552 case GLSL_TYPE_UINT8
:
1553 case GLSL_TYPE_INT8
:
1554 case GLSL_TYPE_INT64
:
1555 case GLSL_TYPE_UINT64
:
1556 case GLSL_TYPE_BOOL
:
1557 case GLSL_TYPE_FLOAT
:
1558 case GLSL_TYPE_FLOAT16
:
1559 case GLSL_TYPE_DOUBLE
:
1560 /* Nothing to do here. It's already initialized to zero */
1563 case GLSL_TYPE_ARRAY
:
1564 vtn_assert(glsl_get_length(type
) > 0);
1565 c
->num_elements
= glsl_get_length(type
);
1566 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1568 c
->elements
[0] = vtn_null_constant(b
, glsl_get_array_element(type
));
1569 for (unsigned i
= 1; i
< c
->num_elements
; i
++)
1570 c
->elements
[i
] = c
->elements
[0];
1573 case GLSL_TYPE_STRUCT
:
1574 c
->num_elements
= glsl_get_length(type
);
1575 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1577 for (unsigned i
= 0; i
< c
->num_elements
; i
++) {
1578 c
->elements
[i
] = vtn_null_constant(b
, glsl_get_struct_field(type
, i
));
1583 vtn_fail("Invalid type for null constant");
1590 spec_constant_decoration_cb(struct vtn_builder
*b
, struct vtn_value
*v
,
1591 int member
, const struct vtn_decoration
*dec
,
1594 vtn_assert(member
== -1);
1595 if (dec
->decoration
!= SpvDecorationSpecId
)
1598 struct spec_constant_value
*const_value
= data
;
1600 for (unsigned i
= 0; i
< b
->num_specializations
; i
++) {
1601 if (b
->specializations
[i
].id
== dec
->literals
[0]) {
1602 if (const_value
->is_double
)
1603 const_value
->data64
= b
->specializations
[i
].data64
;
1605 const_value
->data32
= b
->specializations
[i
].data32
;
1612 get_specialization(struct vtn_builder
*b
, struct vtn_value
*val
,
1613 uint32_t const_value
)
1615 struct spec_constant_value data
;
1616 data
.is_double
= false;
1617 data
.data32
= const_value
;
1618 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1623 get_specialization64(struct vtn_builder
*b
, struct vtn_value
*val
,
1624 uint64_t const_value
)
1626 struct spec_constant_value data
;
1627 data
.is_double
= true;
1628 data
.data64
= const_value
;
1629 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1634 handle_workgroup_size_decoration_cb(struct vtn_builder
*b
,
1635 struct vtn_value
*val
,
1637 const struct vtn_decoration
*dec
,
1640 vtn_assert(member
== -1);
1641 if (dec
->decoration
!= SpvDecorationBuiltIn
||
1642 dec
->literals
[0] != SpvBuiltInWorkgroupSize
)
1645 vtn_assert(val
->type
->type
== glsl_vector_type(GLSL_TYPE_UINT
, 3));
1646 b
->workgroup_size_builtin
= val
;
1650 vtn_handle_constant(struct vtn_builder
*b
, SpvOp opcode
,
1651 const uint32_t *w
, unsigned count
)
1653 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_constant
);
1654 val
->constant
= rzalloc(b
, nir_constant
);
1656 case SpvOpConstantTrue
:
1657 case SpvOpConstantFalse
:
1658 case SpvOpSpecConstantTrue
:
1659 case SpvOpSpecConstantFalse
: {
1660 vtn_fail_if(val
->type
->type
!= glsl_bool_type(),
1661 "Result type of %s must be OpTypeBool",
1662 spirv_op_to_string(opcode
));
1664 uint32_t int_val
= (opcode
== SpvOpConstantTrue
||
1665 opcode
== SpvOpSpecConstantTrue
);
1667 if (opcode
== SpvOpSpecConstantTrue
||
1668 opcode
== SpvOpSpecConstantFalse
)
1669 int_val
= get_specialization(b
, val
, int_val
);
1671 val
->constant
->values
[0].b
[0] = int_val
!= 0;
1675 case SpvOpConstant
: {
1676 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1677 "Result type of %s must be a scalar",
1678 spirv_op_to_string(opcode
));
1679 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1682 val
->constant
->values
->u64
[0] = vtn_u64_literal(&w
[3]);
1685 val
->constant
->values
->u32
[0] = w
[3];
1688 val
->constant
->values
->u16
[0] = w
[3];
1691 val
->constant
->values
->u8
[0] = w
[3];
1694 vtn_fail("Unsupported SpvOpConstant bit size");
1699 case SpvOpSpecConstant
: {
1700 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1701 "Result type of %s must be a scalar",
1702 spirv_op_to_string(opcode
));
1703 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1706 val
->constant
->values
[0].u64
[0] =
1707 get_specialization64(b
, val
, vtn_u64_literal(&w
[3]));
1710 val
->constant
->values
[0].u32
[0] = get_specialization(b
, val
, w
[3]);
1713 val
->constant
->values
[0].u16
[0] = get_specialization(b
, val
, w
[3]);
1716 val
->constant
->values
[0].u8
[0] = get_specialization(b
, val
, w
[3]);
1719 vtn_fail("Unsupported SpvOpSpecConstant bit size");
1724 case SpvOpSpecConstantComposite
:
1725 case SpvOpConstantComposite
: {
1726 unsigned elem_count
= count
- 3;
1727 vtn_fail_if(elem_count
!= val
->type
->length
,
1728 "%s has %u constituents, expected %u",
1729 spirv_op_to_string(opcode
), elem_count
, val
->type
->length
);
1731 nir_constant
**elems
= ralloc_array(b
, nir_constant
*, elem_count
);
1732 for (unsigned i
= 0; i
< elem_count
; i
++) {
1733 struct vtn_value
*val
= vtn_untyped_value(b
, w
[i
+ 3]);
1735 if (val
->value_type
== vtn_value_type_constant
) {
1736 elems
[i
] = val
->constant
;
1738 vtn_fail_if(val
->value_type
!= vtn_value_type_undef
,
1739 "only constants or undefs allowed for "
1740 "SpvOpConstantComposite");
1741 /* to make it easier, just insert a NULL constant for now */
1742 elems
[i
] = vtn_null_constant(b
, val
->type
->type
);
1746 switch (val
->type
->base_type
) {
1747 case vtn_base_type_vector
: {
1748 assert(glsl_type_is_vector(val
->type
->type
));
1749 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1750 for (unsigned i
= 0; i
< elem_count
; i
++) {
1753 val
->constant
->values
[0].u64
[i
] = elems
[i
]->values
[0].u64
[0];
1756 val
->constant
->values
[0].u32
[i
] = elems
[i
]->values
[0].u32
[0];
1759 val
->constant
->values
[0].u16
[i
] = elems
[i
]->values
[0].u16
[0];
1762 val
->constant
->values
[0].u8
[i
] = elems
[i
]->values
[0].u8
[0];
1765 val
->constant
->values
[0].b
[i
] = elems
[i
]->values
[0].b
[0];
1768 vtn_fail("Invalid SpvOpConstantComposite bit size");
1774 case vtn_base_type_matrix
:
1775 assert(glsl_type_is_matrix(val
->type
->type
));
1776 for (unsigned i
= 0; i
< elem_count
; i
++)
1777 val
->constant
->values
[i
] = elems
[i
]->values
[0];
1780 case vtn_base_type_struct
:
1781 case vtn_base_type_array
:
1782 ralloc_steal(val
->constant
, elems
);
1783 val
->constant
->num_elements
= elem_count
;
1784 val
->constant
->elements
= elems
;
1788 vtn_fail("Result type of %s must be a composite type",
1789 spirv_op_to_string(opcode
));
1794 case SpvOpSpecConstantOp
: {
1795 SpvOp opcode
= get_specialization(b
, val
, w
[3]);
1797 case SpvOpVectorShuffle
: {
1798 struct vtn_value
*v0
= &b
->values
[w
[4]];
1799 struct vtn_value
*v1
= &b
->values
[w
[5]];
1801 vtn_assert(v0
->value_type
== vtn_value_type_constant
||
1802 v0
->value_type
== vtn_value_type_undef
);
1803 vtn_assert(v1
->value_type
== vtn_value_type_constant
||
1804 v1
->value_type
== vtn_value_type_undef
);
1806 unsigned len0
= glsl_get_vector_elements(v0
->type
->type
);
1807 unsigned len1
= glsl_get_vector_elements(v1
->type
->type
);
1809 vtn_assert(len0
+ len1
< 16);
1811 unsigned bit_size
= glsl_get_bit_size(val
->type
->type
);
1812 unsigned bit_size0
= glsl_get_bit_size(v0
->type
->type
);
1813 unsigned bit_size1
= glsl_get_bit_size(v1
->type
->type
);
1815 vtn_assert(bit_size
== bit_size0
&& bit_size
== bit_size1
);
1816 (void)bit_size0
; (void)bit_size1
;
1818 if (bit_size
== 64) {
1820 if (v0
->value_type
== vtn_value_type_constant
) {
1821 for (unsigned i
= 0; i
< len0
; i
++)
1822 u64
[i
] = v0
->constant
->values
[0].u64
[i
];
1824 if (v1
->value_type
== vtn_value_type_constant
) {
1825 for (unsigned i
= 0; i
< len1
; i
++)
1826 u64
[len0
+ i
] = v1
->constant
->values
[0].u64
[i
];
1829 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1830 uint32_t comp
= w
[i
+ 6];
1831 /* If component is not used, set the value to a known constant
1832 * to detect if it is wrongly used.
1834 if (comp
== (uint32_t)-1)
1835 val
->constant
->values
[0].u64
[j
] = 0xdeadbeefdeadbeef;
1837 val
->constant
->values
[0].u64
[j
] = u64
[comp
];
1840 /* This is for both 32-bit and 16-bit values */
1842 if (v0
->value_type
== vtn_value_type_constant
) {
1843 for (unsigned i
= 0; i
< len0
; i
++)
1844 u32
[i
] = v0
->constant
->values
[0].u32
[i
];
1846 if (v1
->value_type
== vtn_value_type_constant
) {
1847 for (unsigned i
= 0; i
< len1
; i
++)
1848 u32
[len0
+ i
] = v1
->constant
->values
[0].u32
[i
];
1851 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1852 uint32_t comp
= w
[i
+ 6];
1853 /* If component is not used, set the value to a known constant
1854 * to detect if it is wrongly used.
1856 if (comp
== (uint32_t)-1)
1857 val
->constant
->values
[0].u32
[j
] = 0xdeadbeef;
1859 val
->constant
->values
[0].u32
[j
] = u32
[comp
];
1865 case SpvOpCompositeExtract
:
1866 case SpvOpCompositeInsert
: {
1867 struct vtn_value
*comp
;
1868 unsigned deref_start
;
1869 struct nir_constant
**c
;
1870 if (opcode
== SpvOpCompositeExtract
) {
1871 comp
= vtn_value(b
, w
[4], vtn_value_type_constant
);
1873 c
= &comp
->constant
;
1875 comp
= vtn_value(b
, w
[5], vtn_value_type_constant
);
1877 val
->constant
= nir_constant_clone(comp
->constant
,
1884 const struct vtn_type
*type
= comp
->type
;
1885 for (unsigned i
= deref_start
; i
< count
; i
++) {
1886 vtn_fail_if(w
[i
] > type
->length
,
1887 "%uth index of %s is %u but the type has only "
1888 "%u elements", i
- deref_start
,
1889 spirv_op_to_string(opcode
), w
[i
], type
->length
);
1891 switch (type
->base_type
) {
1892 case vtn_base_type_vector
:
1894 type
= type
->array_element
;
1897 case vtn_base_type_matrix
:
1898 assert(col
== 0 && elem
== -1);
1901 type
= type
->array_element
;
1904 case vtn_base_type_array
:
1905 c
= &(*c
)->elements
[w
[i
]];
1906 type
= type
->array_element
;
1909 case vtn_base_type_struct
:
1910 c
= &(*c
)->elements
[w
[i
]];
1911 type
= type
->members
[w
[i
]];
1915 vtn_fail("%s must only index into composite types",
1916 spirv_op_to_string(opcode
));
1920 if (opcode
== SpvOpCompositeExtract
) {
1924 unsigned num_components
= type
->length
;
1925 unsigned bit_size
= glsl_get_bit_size(type
->type
);
1926 for (unsigned i
= 0; i
< num_components
; i
++)
1929 val
->constant
->values
[0].u64
[i
] = (*c
)->values
[col
].u64
[elem
+ i
];
1932 val
->constant
->values
[0].u32
[i
] = (*c
)->values
[col
].u32
[elem
+ i
];
1935 val
->constant
->values
[0].u16
[i
] = (*c
)->values
[col
].u16
[elem
+ i
];
1938 val
->constant
->values
[0].u8
[i
] = (*c
)->values
[col
].u8
[elem
+ i
];
1941 val
->constant
->values
[0].b
[i
] = (*c
)->values
[col
].b
[elem
+ i
];
1944 vtn_fail("Invalid SpvOpCompositeExtract bit size");
1948 struct vtn_value
*insert
=
1949 vtn_value(b
, w
[4], vtn_value_type_constant
);
1950 vtn_assert(insert
->type
== type
);
1952 *c
= insert
->constant
;
1954 unsigned num_components
= type
->length
;
1955 unsigned bit_size
= glsl_get_bit_size(type
->type
);
1956 for (unsigned i
= 0; i
< num_components
; i
++)
1959 (*c
)->values
[col
].u64
[elem
+ i
] = insert
->constant
->values
[0].u64
[i
];
1962 (*c
)->values
[col
].u32
[elem
+ i
] = insert
->constant
->values
[0].u32
[i
];
1965 (*c
)->values
[col
].u16
[elem
+ i
] = insert
->constant
->values
[0].u16
[i
];
1968 (*c
)->values
[col
].u8
[elem
+ i
] = insert
->constant
->values
[0].u8
[i
];
1971 (*c
)->values
[col
].b
[elem
+ i
] = insert
->constant
->values
[0].b
[i
];
1974 vtn_fail("Invalid SpvOpCompositeInsert bit size");
1983 nir_alu_type dst_alu_type
= nir_get_nir_type_for_glsl_type(val
->type
->type
);
1984 nir_alu_type src_alu_type
= dst_alu_type
;
1985 unsigned num_components
= glsl_get_vector_elements(val
->type
->type
);
1988 vtn_assert(count
<= 7);
1993 /* We have a source in a conversion */
1995 nir_get_nir_type_for_glsl_type(
1996 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1997 /* We use the bitsize of the conversion source to evaluate the opcode later */
1998 bit_size
= glsl_get_bit_size(
1999 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
2002 bit_size
= glsl_get_bit_size(val
->type
->type
);
2005 nir_op op
= vtn_nir_alu_op_for_spirv_opcode(b
, opcode
, &swap
,
2006 nir_alu_type_get_type_size(src_alu_type
),
2007 nir_alu_type_get_type_size(dst_alu_type
));
2008 nir_const_value src
[4];
2010 for (unsigned i
= 0; i
< count
- 4; i
++) {
2011 struct vtn_value
*src_val
=
2012 vtn_value(b
, w
[4 + i
], vtn_value_type_constant
);
2014 /* If this is an unsized source, pull the bit size from the
2015 * source; otherwise, we'll use the bit size from the destination.
2017 if (!nir_alu_type_get_type_size(nir_op_infos
[op
].input_types
[i
]))
2018 bit_size
= glsl_get_bit_size(src_val
->type
->type
);
2020 unsigned j
= swap
? 1 - i
: i
;
2021 src
[j
] = src_val
->constant
->values
[0];
2024 /* fix up fixed size sources */
2031 for (unsigned i
= 0; i
< num_components
; ++i
) {
2033 case 64: src
[1].u32
[i
] = src
[1].u64
[i
]; break;
2034 case 16: src
[1].u32
[i
] = src
[1].u16
[i
]; break;
2035 case 8: src
[1].u32
[i
] = src
[1].u8
[i
]; break;
2044 val
->constant
->values
[0] =
2045 nir_eval_const_opcode(op
, num_components
, bit_size
, src
);
2052 case SpvOpConstantNull
:
2053 val
->constant
= vtn_null_constant(b
, val
->type
->type
);
2056 case SpvOpConstantSampler
:
2057 vtn_fail("OpConstantSampler requires Kernel Capability");
2061 vtn_fail("Unhandled opcode");
2064 /* Now that we have the value, update the workgroup size if needed */
2065 vtn_foreach_decoration(b
, val
, handle_workgroup_size_decoration_cb
, NULL
);
2068 struct vtn_ssa_value
*
2069 vtn_create_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
2071 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
2074 if (!glsl_type_is_vector_or_scalar(type
)) {
2075 unsigned elems
= glsl_get_length(type
);
2076 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
2077 for (unsigned i
= 0; i
< elems
; i
++) {
2078 const struct glsl_type
*child_type
;
2080 switch (glsl_get_base_type(type
)) {
2082 case GLSL_TYPE_UINT
:
2083 case GLSL_TYPE_INT16
:
2084 case GLSL_TYPE_UINT16
:
2085 case GLSL_TYPE_UINT8
:
2086 case GLSL_TYPE_INT8
:
2087 case GLSL_TYPE_INT64
:
2088 case GLSL_TYPE_UINT64
:
2089 case GLSL_TYPE_BOOL
:
2090 case GLSL_TYPE_FLOAT
:
2091 case GLSL_TYPE_FLOAT16
:
2092 case GLSL_TYPE_DOUBLE
:
2093 child_type
= glsl_get_column_type(type
);
2095 case GLSL_TYPE_ARRAY
:
2096 child_type
= glsl_get_array_element(type
);
2098 case GLSL_TYPE_STRUCT
:
2099 case GLSL_TYPE_INTERFACE
:
2100 child_type
= glsl_get_struct_field(type
, i
);
2103 vtn_fail("unkown base type");
2106 val
->elems
[i
] = vtn_create_ssa_value(b
, child_type
);
2114 vtn_tex_src(struct vtn_builder
*b
, unsigned index
, nir_tex_src_type type
)
2117 src
.src
= nir_src_for_ssa(vtn_ssa_value(b
, index
)->def
);
2118 src
.src_type
= type
;
2123 vtn_handle_texture(struct vtn_builder
*b
, SpvOp opcode
,
2124 const uint32_t *w
, unsigned count
)
2126 if (opcode
== SpvOpSampledImage
) {
2127 struct vtn_value
*val
=
2128 vtn_push_value(b
, w
[2], vtn_value_type_sampled_image
);
2129 val
->sampled_image
= ralloc(b
, struct vtn_sampled_image
);
2130 val
->sampled_image
->type
=
2131 vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2132 val
->sampled_image
->image
=
2133 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2134 val
->sampled_image
->sampler
=
2135 vtn_value(b
, w
[4], vtn_value_type_pointer
)->pointer
;
2137 } else if (opcode
== SpvOpImage
) {
2138 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_pointer
);
2139 struct vtn_value
*src_val
= vtn_untyped_value(b
, w
[3]);
2140 if (src_val
->value_type
== vtn_value_type_sampled_image
) {
2141 val
->pointer
= src_val
->sampled_image
->image
;
2143 vtn_assert(src_val
->value_type
== vtn_value_type_pointer
);
2144 val
->pointer
= src_val
->pointer
;
2149 struct vtn_type
*ret_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2150 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2152 struct vtn_sampled_image sampled
;
2153 struct vtn_value
*sampled_val
= vtn_untyped_value(b
, w
[3]);
2154 if (sampled_val
->value_type
== vtn_value_type_sampled_image
) {
2155 sampled
= *sampled_val
->sampled_image
;
2157 vtn_assert(sampled_val
->value_type
== vtn_value_type_pointer
);
2158 sampled
.type
= sampled_val
->pointer
->type
;
2159 sampled
.image
= NULL
;
2160 sampled
.sampler
= sampled_val
->pointer
;
2163 const struct glsl_type
*image_type
= sampled
.type
->type
;
2164 const enum glsl_sampler_dim sampler_dim
= glsl_get_sampler_dim(image_type
);
2165 const bool is_array
= glsl_sampler_type_is_array(image_type
);
2167 /* Figure out the base texture operation */
2170 case SpvOpImageSampleImplicitLod
:
2171 case SpvOpImageSampleDrefImplicitLod
:
2172 case SpvOpImageSampleProjImplicitLod
:
2173 case SpvOpImageSampleProjDrefImplicitLod
:
2174 texop
= nir_texop_tex
;
2177 case SpvOpImageSampleExplicitLod
:
2178 case SpvOpImageSampleDrefExplicitLod
:
2179 case SpvOpImageSampleProjExplicitLod
:
2180 case SpvOpImageSampleProjDrefExplicitLod
:
2181 texop
= nir_texop_txl
;
2184 case SpvOpImageFetch
:
2185 if (glsl_get_sampler_dim(image_type
) == GLSL_SAMPLER_DIM_MS
) {
2186 texop
= nir_texop_txf_ms
;
2188 texop
= nir_texop_txf
;
2192 case SpvOpImageGather
:
2193 case SpvOpImageDrefGather
:
2194 texop
= nir_texop_tg4
;
2197 case SpvOpImageQuerySizeLod
:
2198 case SpvOpImageQuerySize
:
2199 texop
= nir_texop_txs
;
2202 case SpvOpImageQueryLod
:
2203 texop
= nir_texop_lod
;
2206 case SpvOpImageQueryLevels
:
2207 texop
= nir_texop_query_levels
;
2210 case SpvOpImageQuerySamples
:
2211 texop
= nir_texop_texture_samples
;
2215 vtn_fail("Unhandled opcode");
2218 nir_tex_src srcs
[10]; /* 10 should be enough */
2219 nir_tex_src
*p
= srcs
;
2221 nir_deref_instr
*sampler
= vtn_pointer_to_deref(b
, sampled
.sampler
);
2222 nir_deref_instr
*texture
=
2223 sampled
.image
? vtn_pointer_to_deref(b
, sampled
.image
) : sampler
;
2225 p
->src
= nir_src_for_ssa(&texture
->dest
.ssa
);
2226 p
->src_type
= nir_tex_src_texture_deref
;
2236 /* These operations require a sampler */
2237 p
->src
= nir_src_for_ssa(&sampler
->dest
.ssa
);
2238 p
->src_type
= nir_tex_src_sampler_deref
;
2242 case nir_texop_txf_ms
:
2244 case nir_texop_query_levels
:
2245 case nir_texop_texture_samples
:
2246 case nir_texop_samples_identical
:
2249 case nir_texop_txf_ms_mcs
:
2250 vtn_fail("unexpected nir_texop_txf_ms_mcs");
2255 struct nir_ssa_def
*coord
;
2256 unsigned coord_components
;
2258 case SpvOpImageSampleImplicitLod
:
2259 case SpvOpImageSampleExplicitLod
:
2260 case SpvOpImageSampleDrefImplicitLod
:
2261 case SpvOpImageSampleDrefExplicitLod
:
2262 case SpvOpImageSampleProjImplicitLod
:
2263 case SpvOpImageSampleProjExplicitLod
:
2264 case SpvOpImageSampleProjDrefImplicitLod
:
2265 case SpvOpImageSampleProjDrefExplicitLod
:
2266 case SpvOpImageFetch
:
2267 case SpvOpImageGather
:
2268 case SpvOpImageDrefGather
:
2269 case SpvOpImageQueryLod
: {
2270 /* All these types have the coordinate as their first real argument */
2271 switch (sampler_dim
) {
2272 case GLSL_SAMPLER_DIM_1D
:
2273 case GLSL_SAMPLER_DIM_BUF
:
2274 coord_components
= 1;
2276 case GLSL_SAMPLER_DIM_2D
:
2277 case GLSL_SAMPLER_DIM_RECT
:
2278 case GLSL_SAMPLER_DIM_MS
:
2279 coord_components
= 2;
2281 case GLSL_SAMPLER_DIM_3D
:
2282 case GLSL_SAMPLER_DIM_CUBE
:
2283 coord_components
= 3;
2286 vtn_fail("Invalid sampler type");
2289 if (is_array
&& texop
!= nir_texop_lod
)
2292 coord
= vtn_ssa_value(b
, w
[idx
++])->def
;
2293 p
->src
= nir_src_for_ssa(nir_channels(&b
->nb
, coord
,
2294 (1 << coord_components
) - 1));
2295 p
->src_type
= nir_tex_src_coord
;
2302 coord_components
= 0;
2307 case SpvOpImageSampleProjImplicitLod
:
2308 case SpvOpImageSampleProjExplicitLod
:
2309 case SpvOpImageSampleProjDrefImplicitLod
:
2310 case SpvOpImageSampleProjDrefExplicitLod
:
2311 /* These have the projector as the last coordinate component */
2312 p
->src
= nir_src_for_ssa(nir_channel(&b
->nb
, coord
, coord_components
));
2313 p
->src_type
= nir_tex_src_projector
;
2321 bool is_shadow
= false;
2322 unsigned gather_component
= 0;
2324 case SpvOpImageSampleDrefImplicitLod
:
2325 case SpvOpImageSampleDrefExplicitLod
:
2326 case SpvOpImageSampleProjDrefImplicitLod
:
2327 case SpvOpImageSampleProjDrefExplicitLod
:
2328 case SpvOpImageDrefGather
:
2329 /* These all have an explicit depth value as their next source */
2331 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_comparator
);
2334 case SpvOpImageGather
:
2335 /* This has a component as its next source */
2337 vtn_value(b
, w
[idx
++], vtn_value_type_constant
)->constant
->values
[0].u32
[0];
2344 /* For OpImageQuerySizeLod, we always have an LOD */
2345 if (opcode
== SpvOpImageQuerySizeLod
)
2346 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2348 /* Now we need to handle some number of optional arguments */
2349 struct vtn_value
*gather_offsets
= NULL
;
2351 uint32_t operands
= w
[idx
++];
2353 if (operands
& SpvImageOperandsBiasMask
) {
2354 vtn_assert(texop
== nir_texop_tex
);
2355 texop
= nir_texop_txb
;
2356 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_bias
);
2359 if (operands
& SpvImageOperandsLodMask
) {
2360 vtn_assert(texop
== nir_texop_txl
|| texop
== nir_texop_txf
||
2361 texop
== nir_texop_txs
);
2362 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2365 if (operands
& SpvImageOperandsGradMask
) {
2366 vtn_assert(texop
== nir_texop_txl
);
2367 texop
= nir_texop_txd
;
2368 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddx
);
2369 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddy
);
2372 if (operands
& SpvImageOperandsOffsetMask
||
2373 operands
& SpvImageOperandsConstOffsetMask
)
2374 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_offset
);
2376 if (operands
& SpvImageOperandsConstOffsetsMask
) {
2377 vtn_assert(texop
== nir_texop_tg4
);
2378 gather_offsets
= vtn_value(b
, w
[idx
++], vtn_value_type_constant
);
2381 if (operands
& SpvImageOperandsSampleMask
) {
2382 vtn_assert(texop
== nir_texop_txf_ms
);
2383 texop
= nir_texop_txf_ms
;
2384 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ms_index
);
2387 if (operands
& SpvImageOperandsMinLodMask
) {
2388 vtn_assert(texop
== nir_texop_tex
||
2389 texop
== nir_texop_txb
||
2390 texop
== nir_texop_txd
);
2391 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_min_lod
);
2394 /* We should have now consumed exactly all of the arguments */
2395 vtn_assert(idx
== count
);
2397 nir_tex_instr
*instr
= nir_tex_instr_create(b
->shader
, p
- srcs
);
2400 memcpy(instr
->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
2402 instr
->coord_components
= coord_components
;
2403 instr
->sampler_dim
= sampler_dim
;
2404 instr
->is_array
= is_array
;
2405 instr
->is_shadow
= is_shadow
;
2406 instr
->is_new_style_shadow
=
2407 is_shadow
&& glsl_get_components(ret_type
->type
) == 1;
2408 instr
->component
= gather_component
;
2410 switch (glsl_get_sampler_result_type(image_type
)) {
2411 case GLSL_TYPE_FLOAT
: instr
->dest_type
= nir_type_float
; break;
2412 case GLSL_TYPE_INT
: instr
->dest_type
= nir_type_int
; break;
2413 case GLSL_TYPE_UINT
: instr
->dest_type
= nir_type_uint
; break;
2414 case GLSL_TYPE_BOOL
: instr
->dest_type
= nir_type_bool
; break;
2416 vtn_fail("Invalid base type for sampler result");
2419 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
2420 nir_tex_instr_dest_size(instr
), 32, NULL
);
2422 vtn_assert(glsl_get_vector_elements(ret_type
->type
) ==
2423 nir_tex_instr_dest_size(instr
));
2425 if (gather_offsets
) {
2426 vtn_fail_if(gather_offsets
->type
->base_type
!= vtn_base_type_array
||
2427 gather_offsets
->type
->length
!= 4,
2428 "ConstOffsets must be an array of size four of vectors "
2429 "of two integer components");
2431 struct vtn_type
*vec_type
= gather_offsets
->type
->array_element
;
2432 vtn_fail_if(vec_type
->base_type
!= vtn_base_type_vector
||
2433 vec_type
->length
!= 2 ||
2434 !glsl_type_is_integer(vec_type
->type
),
2435 "ConstOffsets must be an array of size four of vectors "
2436 "of two integer components");
2438 unsigned bit_size
= glsl_get_bit_size(vec_type
->type
);
2439 for (uint32_t i
= 0; i
< 4; i
++) {
2440 const nir_const_value
*cvec
=
2441 &gather_offsets
->constant
->elements
[i
]->values
[0];
2442 for (uint32_t j
= 0; j
< 2; j
++) {
2444 case 8: instr
->tg4_offsets
[i
][j
] = cvec
->i8
[j
]; break;
2445 case 16: instr
->tg4_offsets
[i
][j
] = cvec
->i16
[j
]; break;
2446 case 32: instr
->tg4_offsets
[i
][j
] = cvec
->i32
[j
]; break;
2447 case 64: instr
->tg4_offsets
[i
][j
] = cvec
->i64
[j
]; break;
2449 vtn_fail("Unsupported bit size");
2455 val
->ssa
= vtn_create_ssa_value(b
, ret_type
->type
);
2456 val
->ssa
->def
= &instr
->dest
.ssa
;
2458 nir_builder_instr_insert(&b
->nb
, &instr
->instr
);
2462 fill_common_atomic_sources(struct vtn_builder
*b
, SpvOp opcode
,
2463 const uint32_t *w
, nir_src
*src
)
2466 case SpvOpAtomicIIncrement
:
2467 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, 1));
2470 case SpvOpAtomicIDecrement
:
2471 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, -1));
2474 case SpvOpAtomicISub
:
2476 nir_src_for_ssa(nir_ineg(&b
->nb
, vtn_ssa_value(b
, w
[6])->def
));
2479 case SpvOpAtomicCompareExchange
:
2480 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[8])->def
);
2481 src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[7])->def
);
2484 case SpvOpAtomicExchange
:
2485 case SpvOpAtomicIAdd
:
2486 case SpvOpAtomicSMin
:
2487 case SpvOpAtomicUMin
:
2488 case SpvOpAtomicSMax
:
2489 case SpvOpAtomicUMax
:
2490 case SpvOpAtomicAnd
:
2492 case SpvOpAtomicXor
:
2493 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[6])->def
);
2497 vtn_fail("Invalid SPIR-V atomic");
2501 static nir_ssa_def
*
2502 get_image_coord(struct vtn_builder
*b
, uint32_t value
)
2504 struct vtn_ssa_value
*coord
= vtn_ssa_value(b
, value
);
2506 /* The image_load_store intrinsics assume a 4-dim coordinate */
2507 unsigned dim
= glsl_get_vector_elements(coord
->type
);
2508 unsigned swizzle
[4];
2509 for (unsigned i
= 0; i
< 4; i
++)
2510 swizzle
[i
] = MIN2(i
, dim
- 1);
2512 return nir_swizzle(&b
->nb
, coord
->def
, swizzle
, 4, false);
2515 static nir_ssa_def
*
2516 expand_to_vec4(nir_builder
*b
, nir_ssa_def
*value
)
2518 if (value
->num_components
== 4)
2522 for (unsigned i
= 0; i
< 4; i
++)
2523 swiz
[i
] = i
< value
->num_components
? i
: 0;
2524 return nir_swizzle(b
, value
, swiz
, 4, false);
2528 vtn_handle_image(struct vtn_builder
*b
, SpvOp opcode
,
2529 const uint32_t *w
, unsigned count
)
2531 /* Just get this one out of the way */
2532 if (opcode
== SpvOpImageTexelPointer
) {
2533 struct vtn_value
*val
=
2534 vtn_push_value(b
, w
[2], vtn_value_type_image_pointer
);
2535 val
->image
= ralloc(b
, struct vtn_image_pointer
);
2537 val
->image
->image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2538 val
->image
->coord
= get_image_coord(b
, w
[4]);
2539 val
->image
->sample
= vtn_ssa_value(b
, w
[5])->def
;
2543 struct vtn_image_pointer image
;
2546 case SpvOpAtomicExchange
:
2547 case SpvOpAtomicCompareExchange
:
2548 case SpvOpAtomicCompareExchangeWeak
:
2549 case SpvOpAtomicIIncrement
:
2550 case SpvOpAtomicIDecrement
:
2551 case SpvOpAtomicIAdd
:
2552 case SpvOpAtomicISub
:
2553 case SpvOpAtomicLoad
:
2554 case SpvOpAtomicSMin
:
2555 case SpvOpAtomicUMin
:
2556 case SpvOpAtomicSMax
:
2557 case SpvOpAtomicUMax
:
2558 case SpvOpAtomicAnd
:
2560 case SpvOpAtomicXor
:
2561 image
= *vtn_value(b
, w
[3], vtn_value_type_image_pointer
)->image
;
2564 case SpvOpAtomicStore
:
2565 image
= *vtn_value(b
, w
[1], vtn_value_type_image_pointer
)->image
;
2568 case SpvOpImageQuerySize
:
2569 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2571 image
.sample
= NULL
;
2574 case SpvOpImageRead
:
2575 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2576 image
.coord
= get_image_coord(b
, w
[4]);
2578 if (count
> 5 && (w
[5] & SpvImageOperandsSampleMask
)) {
2579 vtn_assert(w
[5] == SpvImageOperandsSampleMask
);
2580 image
.sample
= vtn_ssa_value(b
, w
[6])->def
;
2582 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2586 case SpvOpImageWrite
:
2587 image
.image
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2588 image
.coord
= get_image_coord(b
, w
[2]);
2592 if (count
> 4 && (w
[4] & SpvImageOperandsSampleMask
)) {
2593 vtn_assert(w
[4] == SpvImageOperandsSampleMask
);
2594 image
.sample
= vtn_ssa_value(b
, w
[5])->def
;
2596 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2601 vtn_fail("Invalid image opcode");
2604 nir_intrinsic_op op
;
2606 #define OP(S, N) case SpvOp##S: op = nir_intrinsic_image_deref_##N; break;
2607 OP(ImageQuerySize
, size
)
2609 OP(ImageWrite
, store
)
2610 OP(AtomicLoad
, load
)
2611 OP(AtomicStore
, store
)
2612 OP(AtomicExchange
, atomic_exchange
)
2613 OP(AtomicCompareExchange
, atomic_comp_swap
)
2614 OP(AtomicIIncrement
, atomic_add
)
2615 OP(AtomicIDecrement
, atomic_add
)
2616 OP(AtomicIAdd
, atomic_add
)
2617 OP(AtomicISub
, atomic_add
)
2618 OP(AtomicSMin
, atomic_min
)
2619 OP(AtomicUMin
, atomic_min
)
2620 OP(AtomicSMax
, atomic_max
)
2621 OP(AtomicUMax
, atomic_max
)
2622 OP(AtomicAnd
, atomic_and
)
2623 OP(AtomicOr
, atomic_or
)
2624 OP(AtomicXor
, atomic_xor
)
2627 vtn_fail("Invalid image opcode");
2630 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
2632 nir_deref_instr
*image_deref
= vtn_pointer_to_deref(b
, image
.image
);
2633 intrin
->src
[0] = nir_src_for_ssa(&image_deref
->dest
.ssa
);
2635 /* ImageQuerySize doesn't take any extra parameters */
2636 if (opcode
!= SpvOpImageQuerySize
) {
2637 /* The image coordinate is always 4 components but we may not have that
2638 * many. Swizzle to compensate.
2640 intrin
->src
[1] = nir_src_for_ssa(expand_to_vec4(&b
->nb
, image
.coord
));
2641 intrin
->src
[2] = nir_src_for_ssa(image
.sample
);
2645 case SpvOpAtomicLoad
:
2646 case SpvOpImageQuerySize
:
2647 case SpvOpImageRead
:
2649 case SpvOpAtomicStore
:
2650 case SpvOpImageWrite
: {
2651 const uint32_t value_id
= opcode
== SpvOpAtomicStore
? w
[4] : w
[3];
2652 nir_ssa_def
*value
= vtn_ssa_value(b
, value_id
)->def
;
2653 /* nir_intrinsic_image_deref_store always takes a vec4 value */
2654 assert(op
== nir_intrinsic_image_deref_store
);
2655 intrin
->num_components
= 4;
2656 intrin
->src
[3] = nir_src_for_ssa(expand_to_vec4(&b
->nb
, value
));
2660 case SpvOpAtomicCompareExchange
:
2661 case SpvOpAtomicIIncrement
:
2662 case SpvOpAtomicIDecrement
:
2663 case SpvOpAtomicExchange
:
2664 case SpvOpAtomicIAdd
:
2665 case SpvOpAtomicISub
:
2666 case SpvOpAtomicSMin
:
2667 case SpvOpAtomicUMin
:
2668 case SpvOpAtomicSMax
:
2669 case SpvOpAtomicUMax
:
2670 case SpvOpAtomicAnd
:
2672 case SpvOpAtomicXor
:
2673 fill_common_atomic_sources(b
, opcode
, w
, &intrin
->src
[3]);
2677 vtn_fail("Invalid image opcode");
2680 if (opcode
!= SpvOpImageWrite
&& opcode
!= SpvOpAtomicStore
) {
2681 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2682 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2684 unsigned dest_components
= glsl_get_vector_elements(type
->type
);
2685 intrin
->num_components
= nir_intrinsic_infos
[op
].dest_components
;
2686 if (intrin
->num_components
== 0)
2687 intrin
->num_components
= dest_components
;
2689 nir_ssa_dest_init(&intrin
->instr
, &intrin
->dest
,
2690 intrin
->num_components
, 32, NULL
);
2692 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2694 nir_ssa_def
*result
= &intrin
->dest
.ssa
;
2695 if (intrin
->num_components
!= dest_components
)
2696 result
= nir_channels(&b
->nb
, result
, (1 << dest_components
) - 1);
2698 val
->ssa
= vtn_create_ssa_value(b
, type
->type
);
2699 val
->ssa
->def
= result
;
2701 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2705 static nir_intrinsic_op
2706 get_ssbo_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2709 case SpvOpAtomicLoad
: return nir_intrinsic_load_ssbo
;
2710 case SpvOpAtomicStore
: return nir_intrinsic_store_ssbo
;
2711 #define OP(S, N) case SpvOp##S: return nir_intrinsic_ssbo_##N;
2712 OP(AtomicExchange
, atomic_exchange
)
2713 OP(AtomicCompareExchange
, atomic_comp_swap
)
2714 OP(AtomicIIncrement
, atomic_add
)
2715 OP(AtomicIDecrement
, atomic_add
)
2716 OP(AtomicIAdd
, atomic_add
)
2717 OP(AtomicISub
, atomic_add
)
2718 OP(AtomicSMin
, atomic_imin
)
2719 OP(AtomicUMin
, atomic_umin
)
2720 OP(AtomicSMax
, atomic_imax
)
2721 OP(AtomicUMax
, atomic_umax
)
2722 OP(AtomicAnd
, atomic_and
)
2723 OP(AtomicOr
, atomic_or
)
2724 OP(AtomicXor
, atomic_xor
)
2727 vtn_fail("Invalid SSBO atomic");
2731 static nir_intrinsic_op
2732 get_uniform_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2735 #define OP(S, N) case SpvOp##S: return nir_intrinsic_atomic_counter_ ##N;
2736 OP(AtomicLoad
, read_deref
)
2737 OP(AtomicExchange
, exchange
)
2738 OP(AtomicCompareExchange
, comp_swap
)
2739 OP(AtomicIIncrement
, inc_deref
)
2740 OP(AtomicIDecrement
, post_dec_deref
)
2741 OP(AtomicIAdd
, add_deref
)
2742 OP(AtomicISub
, add_deref
)
2743 OP(AtomicUMin
, min_deref
)
2744 OP(AtomicUMax
, max_deref
)
2745 OP(AtomicAnd
, and_deref
)
2746 OP(AtomicOr
, or_deref
)
2747 OP(AtomicXor
, xor_deref
)
2750 /* We left the following out: AtomicStore, AtomicSMin and
2751 * AtomicSmax. Right now there are not nir intrinsics for them. At this
2752 * moment Atomic Counter support is needed for ARB_spirv support, so is
2753 * only need to support GLSL Atomic Counters that are uints and don't
2754 * allow direct storage.
2756 unreachable("Invalid uniform atomic");
2760 static nir_intrinsic_op
2761 get_shared_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2764 case SpvOpAtomicLoad
: return nir_intrinsic_load_shared
;
2765 case SpvOpAtomicStore
: return nir_intrinsic_store_shared
;
2766 #define OP(S, N) case SpvOp##S: return nir_intrinsic_shared_##N;
2767 OP(AtomicExchange
, atomic_exchange
)
2768 OP(AtomicCompareExchange
, atomic_comp_swap
)
2769 OP(AtomicIIncrement
, atomic_add
)
2770 OP(AtomicIDecrement
, atomic_add
)
2771 OP(AtomicIAdd
, atomic_add
)
2772 OP(AtomicISub
, atomic_add
)
2773 OP(AtomicSMin
, atomic_imin
)
2774 OP(AtomicUMin
, atomic_umin
)
2775 OP(AtomicSMax
, atomic_imax
)
2776 OP(AtomicUMax
, atomic_umax
)
2777 OP(AtomicAnd
, atomic_and
)
2778 OP(AtomicOr
, atomic_or
)
2779 OP(AtomicXor
, atomic_xor
)
2782 vtn_fail("Invalid shared atomic");
2786 static nir_intrinsic_op
2787 get_deref_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2790 case SpvOpAtomicLoad
: return nir_intrinsic_load_deref
;
2791 case SpvOpAtomicStore
: return nir_intrinsic_store_deref
;
2792 #define OP(S, N) case SpvOp##S: return nir_intrinsic_deref_##N;
2793 OP(AtomicExchange
, atomic_exchange
)
2794 OP(AtomicCompareExchange
, atomic_comp_swap
)
2795 OP(AtomicIIncrement
, atomic_add
)
2796 OP(AtomicIDecrement
, atomic_add
)
2797 OP(AtomicIAdd
, atomic_add
)
2798 OP(AtomicISub
, atomic_add
)
2799 OP(AtomicSMin
, atomic_imin
)
2800 OP(AtomicUMin
, atomic_umin
)
2801 OP(AtomicSMax
, atomic_imax
)
2802 OP(AtomicUMax
, atomic_umax
)
2803 OP(AtomicAnd
, atomic_and
)
2804 OP(AtomicOr
, atomic_or
)
2805 OP(AtomicXor
, atomic_xor
)
2808 vtn_fail("Invalid shared atomic");
2813 * Handles shared atomics, ssbo atomics and atomic counters.
2816 vtn_handle_atomics(struct vtn_builder
*b
, SpvOp opcode
,
2817 const uint32_t *w
, unsigned count
)
2819 struct vtn_pointer
*ptr
;
2820 nir_intrinsic_instr
*atomic
;
2823 case SpvOpAtomicLoad
:
2824 case SpvOpAtomicExchange
:
2825 case SpvOpAtomicCompareExchange
:
2826 case SpvOpAtomicCompareExchangeWeak
:
2827 case SpvOpAtomicIIncrement
:
2828 case SpvOpAtomicIDecrement
:
2829 case SpvOpAtomicIAdd
:
2830 case SpvOpAtomicISub
:
2831 case SpvOpAtomicSMin
:
2832 case SpvOpAtomicUMin
:
2833 case SpvOpAtomicSMax
:
2834 case SpvOpAtomicUMax
:
2835 case SpvOpAtomicAnd
:
2837 case SpvOpAtomicXor
:
2838 ptr
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2841 case SpvOpAtomicStore
:
2842 ptr
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2846 vtn_fail("Invalid SPIR-V atomic");
2850 SpvScope scope = w[4];
2851 SpvMemorySemanticsMask semantics = w[5];
2854 /* uniform as "atomic counter uniform" */
2855 if (ptr
->mode
== vtn_variable_mode_uniform
) {
2856 nir_deref_instr
*deref
= vtn_pointer_to_deref(b
, ptr
);
2857 const struct glsl_type
*deref_type
= deref
->type
;
2858 nir_intrinsic_op op
= get_uniform_nir_atomic_op(b
, opcode
);
2859 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2860 atomic
->src
[0] = nir_src_for_ssa(&deref
->dest
.ssa
);
2862 /* SSBO needs to initialize index/offset. In this case we don't need to,
2863 * as that info is already stored on the ptr->var->var nir_variable (see
2864 * vtn_create_variable)
2868 case SpvOpAtomicLoad
:
2869 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2872 case SpvOpAtomicStore
:
2873 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2874 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2877 case SpvOpAtomicExchange
:
2878 case SpvOpAtomicCompareExchange
:
2879 case SpvOpAtomicCompareExchangeWeak
:
2880 case SpvOpAtomicIIncrement
:
2881 case SpvOpAtomicIDecrement
:
2882 case SpvOpAtomicIAdd
:
2883 case SpvOpAtomicISub
:
2884 case SpvOpAtomicSMin
:
2885 case SpvOpAtomicUMin
:
2886 case SpvOpAtomicSMax
:
2887 case SpvOpAtomicUMax
:
2888 case SpvOpAtomicAnd
:
2890 case SpvOpAtomicXor
:
2891 /* Nothing: we don't need to call fill_common_atomic_sources here, as
2892 * atomic counter uniforms doesn't have sources
2897 unreachable("Invalid SPIR-V atomic");
2900 } else if (vtn_pointer_uses_ssa_offset(b
, ptr
)) {
2901 nir_ssa_def
*offset
, *index
;
2902 offset
= vtn_pointer_to_offset(b
, ptr
, &index
);
2904 nir_intrinsic_op op
;
2905 if (ptr
->mode
== vtn_variable_mode_ssbo
) {
2906 op
= get_ssbo_nir_atomic_op(b
, opcode
);
2908 vtn_assert(ptr
->mode
== vtn_variable_mode_workgroup
&&
2909 b
->options
->lower_workgroup_access_to_offsets
);
2910 op
= get_shared_nir_atomic_op(b
, opcode
);
2913 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2917 case SpvOpAtomicLoad
:
2918 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2919 nir_intrinsic_set_align(atomic
, 4, 0);
2920 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2921 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2922 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2925 case SpvOpAtomicStore
:
2926 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2927 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2928 nir_intrinsic_set_align(atomic
, 4, 0);
2929 atomic
->src
[src
++] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2930 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2931 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2932 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2935 case SpvOpAtomicExchange
:
2936 case SpvOpAtomicCompareExchange
:
2937 case SpvOpAtomicCompareExchangeWeak
:
2938 case SpvOpAtomicIIncrement
:
2939 case SpvOpAtomicIDecrement
:
2940 case SpvOpAtomicIAdd
:
2941 case SpvOpAtomicISub
:
2942 case SpvOpAtomicSMin
:
2943 case SpvOpAtomicUMin
:
2944 case SpvOpAtomicSMax
:
2945 case SpvOpAtomicUMax
:
2946 case SpvOpAtomicAnd
:
2948 case SpvOpAtomicXor
:
2949 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2950 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2951 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2952 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[src
]);
2956 vtn_fail("Invalid SPIR-V atomic");
2959 nir_deref_instr
*deref
= vtn_pointer_to_deref(b
, ptr
);
2960 const struct glsl_type
*deref_type
= deref
->type
;
2961 nir_intrinsic_op op
= get_deref_nir_atomic_op(b
, opcode
);
2962 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2963 atomic
->src
[0] = nir_src_for_ssa(&deref
->dest
.ssa
);
2966 case SpvOpAtomicLoad
:
2967 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2970 case SpvOpAtomicStore
:
2971 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2972 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2973 atomic
->src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2976 case SpvOpAtomicExchange
:
2977 case SpvOpAtomicCompareExchange
:
2978 case SpvOpAtomicCompareExchangeWeak
:
2979 case SpvOpAtomicIIncrement
:
2980 case SpvOpAtomicIDecrement
:
2981 case SpvOpAtomicIAdd
:
2982 case SpvOpAtomicISub
:
2983 case SpvOpAtomicSMin
:
2984 case SpvOpAtomicUMin
:
2985 case SpvOpAtomicSMax
:
2986 case SpvOpAtomicUMax
:
2987 case SpvOpAtomicAnd
:
2989 case SpvOpAtomicXor
:
2990 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[1]);
2994 vtn_fail("Invalid SPIR-V atomic");
2998 if (opcode
!= SpvOpAtomicStore
) {
2999 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
3001 nir_ssa_dest_init(&atomic
->instr
, &atomic
->dest
,
3002 glsl_get_vector_elements(type
->type
),
3003 glsl_get_bit_size(type
->type
), NULL
);
3005 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
3006 val
->ssa
= rzalloc(b
, struct vtn_ssa_value
);
3007 val
->ssa
->def
= &atomic
->dest
.ssa
;
3008 val
->ssa
->type
= type
->type
;
3011 nir_builder_instr_insert(&b
->nb
, &atomic
->instr
);
3014 static nir_alu_instr
*
3015 create_vec(struct vtn_builder
*b
, unsigned num_components
, unsigned bit_size
)
3018 switch (num_components
) {
3019 case 1: op
= nir_op_imov
; break;
3020 case 2: op
= nir_op_vec2
; break;
3021 case 3: op
= nir_op_vec3
; break;
3022 case 4: op
= nir_op_vec4
; break;
3023 default: vtn_fail("bad vector size");
3026 nir_alu_instr
*vec
= nir_alu_instr_create(b
->shader
, op
);
3027 nir_ssa_dest_init(&vec
->instr
, &vec
->dest
.dest
, num_components
,
3029 vec
->dest
.write_mask
= (1 << num_components
) - 1;
3034 struct vtn_ssa_value
*
3035 vtn_ssa_transpose(struct vtn_builder
*b
, struct vtn_ssa_value
*src
)
3037 if (src
->transposed
)
3038 return src
->transposed
;
3040 struct vtn_ssa_value
*dest
=
3041 vtn_create_ssa_value(b
, glsl_transposed_type(src
->type
));
3043 for (unsigned i
= 0; i
< glsl_get_matrix_columns(dest
->type
); i
++) {
3044 nir_alu_instr
*vec
= create_vec(b
, glsl_get_matrix_columns(src
->type
),
3045 glsl_get_bit_size(src
->type
));
3046 if (glsl_type_is_vector_or_scalar(src
->type
)) {
3047 vec
->src
[0].src
= nir_src_for_ssa(src
->def
);
3048 vec
->src
[0].swizzle
[0] = i
;
3050 for (unsigned j
= 0; j
< glsl_get_matrix_columns(src
->type
); j
++) {
3051 vec
->src
[j
].src
= nir_src_for_ssa(src
->elems
[j
]->def
);
3052 vec
->src
[j
].swizzle
[0] = i
;
3055 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
3056 dest
->elems
[i
]->def
= &vec
->dest
.dest
.ssa
;
3059 dest
->transposed
= src
;
3065 vtn_vector_extract(struct vtn_builder
*b
, nir_ssa_def
*src
, unsigned index
)
3067 return nir_channel(&b
->nb
, src
, index
);
3071 vtn_vector_insert(struct vtn_builder
*b
, nir_ssa_def
*src
, nir_ssa_def
*insert
,
3074 nir_alu_instr
*vec
= create_vec(b
, src
->num_components
,
3077 for (unsigned i
= 0; i
< src
->num_components
; i
++) {
3079 vec
->src
[i
].src
= nir_src_for_ssa(insert
);
3081 vec
->src
[i
].src
= nir_src_for_ssa(src
);
3082 vec
->src
[i
].swizzle
[0] = i
;
3086 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
3088 return &vec
->dest
.dest
.ssa
;
3091 static nir_ssa_def
*
3092 nir_ieq_imm(nir_builder
*b
, nir_ssa_def
*x
, uint64_t i
)
3094 return nir_ieq(b
, x
, nir_imm_intN_t(b
, i
, x
->bit_size
));
3098 vtn_vector_extract_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
3101 return nir_vector_extract(&b
->nb
, src
, nir_i2i(&b
->nb
, index
, 32));
3105 vtn_vector_insert_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
3106 nir_ssa_def
*insert
, nir_ssa_def
*index
)
3108 nir_ssa_def
*dest
= vtn_vector_insert(b
, src
, insert
, 0);
3109 for (unsigned i
= 1; i
< src
->num_components
; i
++)
3110 dest
= nir_bcsel(&b
->nb
, nir_ieq_imm(&b
->nb
, index
, i
),
3111 vtn_vector_insert(b
, src
, insert
, i
), dest
);
3116 static nir_ssa_def
*
3117 vtn_vector_shuffle(struct vtn_builder
*b
, unsigned num_components
,
3118 nir_ssa_def
*src0
, nir_ssa_def
*src1
,
3119 const uint32_t *indices
)
3121 nir_alu_instr
*vec
= create_vec(b
, num_components
, src0
->bit_size
);
3123 for (unsigned i
= 0; i
< num_components
; i
++) {
3124 uint32_t index
= indices
[i
];
3125 if (index
== 0xffffffff) {
3127 nir_src_for_ssa(nir_ssa_undef(&b
->nb
, 1, src0
->bit_size
));
3128 } else if (index
< src0
->num_components
) {
3129 vec
->src
[i
].src
= nir_src_for_ssa(src0
);
3130 vec
->src
[i
].swizzle
[0] = index
;
3132 vec
->src
[i
].src
= nir_src_for_ssa(src1
);
3133 vec
->src
[i
].swizzle
[0] = index
- src0
->num_components
;
3137 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
3139 return &vec
->dest
.dest
.ssa
;
3143 * Concatentates a number of vectors/scalars together to produce a vector
3145 static nir_ssa_def
*
3146 vtn_vector_construct(struct vtn_builder
*b
, unsigned num_components
,
3147 unsigned num_srcs
, nir_ssa_def
**srcs
)
3149 nir_alu_instr
*vec
= create_vec(b
, num_components
, srcs
[0]->bit_size
);
3151 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
3153 * "When constructing a vector, there must be at least two Constituent
3156 vtn_assert(num_srcs
>= 2);
3158 unsigned dest_idx
= 0;
3159 for (unsigned i
= 0; i
< num_srcs
; i
++) {
3160 nir_ssa_def
*src
= srcs
[i
];
3161 vtn_assert(dest_idx
+ src
->num_components
<= num_components
);
3162 for (unsigned j
= 0; j
< src
->num_components
; j
++) {
3163 vec
->src
[dest_idx
].src
= nir_src_for_ssa(src
);
3164 vec
->src
[dest_idx
].swizzle
[0] = j
;
3169 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
3171 * "When constructing a vector, the total number of components in all
3172 * the operands must equal the number of components in Result Type."
3174 vtn_assert(dest_idx
== num_components
);
3176 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
3178 return &vec
->dest
.dest
.ssa
;
3181 static struct vtn_ssa_value
*
3182 vtn_composite_copy(void *mem_ctx
, struct vtn_ssa_value
*src
)
3184 struct vtn_ssa_value
*dest
= rzalloc(mem_ctx
, struct vtn_ssa_value
);
3185 dest
->type
= src
->type
;
3187 if (glsl_type_is_vector_or_scalar(src
->type
)) {
3188 dest
->def
= src
->def
;
3190 unsigned elems
= glsl_get_length(src
->type
);
3192 dest
->elems
= ralloc_array(mem_ctx
, struct vtn_ssa_value
*, elems
);
3193 for (unsigned i
= 0; i
< elems
; i
++)
3194 dest
->elems
[i
] = vtn_composite_copy(mem_ctx
, src
->elems
[i
]);
3200 static struct vtn_ssa_value
*
3201 vtn_composite_insert(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
3202 struct vtn_ssa_value
*insert
, const uint32_t *indices
,
3203 unsigned num_indices
)
3205 struct vtn_ssa_value
*dest
= vtn_composite_copy(b
, src
);
3207 struct vtn_ssa_value
*cur
= dest
;
3209 for (i
= 0; i
< num_indices
- 1; i
++) {
3210 cur
= cur
->elems
[indices
[i
]];
3213 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
3214 /* According to the SPIR-V spec, OpCompositeInsert may work down to
3215 * the component granularity. In that case, the last index will be
3216 * the index to insert the scalar into the vector.
3219 cur
->def
= vtn_vector_insert(b
, cur
->def
, insert
->def
, indices
[i
]);
3221 cur
->elems
[indices
[i
]] = insert
;
3227 static struct vtn_ssa_value
*
3228 vtn_composite_extract(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
3229 const uint32_t *indices
, unsigned num_indices
)
3231 struct vtn_ssa_value
*cur
= src
;
3232 for (unsigned i
= 0; i
< num_indices
; i
++) {
3233 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
3234 vtn_assert(i
== num_indices
- 1);
3235 /* According to the SPIR-V spec, OpCompositeExtract may work down to
3236 * the component granularity. The last index will be the index of the
3237 * vector to extract.
3240 struct vtn_ssa_value
*ret
= rzalloc(b
, struct vtn_ssa_value
);
3241 ret
->type
= glsl_scalar_type(glsl_get_base_type(cur
->type
));
3242 ret
->def
= vtn_vector_extract(b
, cur
->def
, indices
[i
]);
3245 cur
= cur
->elems
[indices
[i
]];
3253 vtn_handle_composite(struct vtn_builder
*b
, SpvOp opcode
,
3254 const uint32_t *w
, unsigned count
)
3256 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
3257 const struct glsl_type
*type
=
3258 vtn_value(b
, w
[1], vtn_value_type_type
)->type
->type
;
3259 val
->ssa
= vtn_create_ssa_value(b
, type
);
3262 case SpvOpVectorExtractDynamic
:
3263 val
->ssa
->def
= vtn_vector_extract_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
3264 vtn_ssa_value(b
, w
[4])->def
);
3267 case SpvOpVectorInsertDynamic
:
3268 val
->ssa
->def
= vtn_vector_insert_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
3269 vtn_ssa_value(b
, w
[4])->def
,
3270 vtn_ssa_value(b
, w
[5])->def
);
3273 case SpvOpVectorShuffle
:
3274 val
->ssa
->def
= vtn_vector_shuffle(b
, glsl_get_vector_elements(type
),
3275 vtn_ssa_value(b
, w
[3])->def
,
3276 vtn_ssa_value(b
, w
[4])->def
,
3280 case SpvOpCompositeConstruct
: {
3281 unsigned elems
= count
- 3;
3283 if (glsl_type_is_vector_or_scalar(type
)) {
3284 nir_ssa_def
*srcs
[NIR_MAX_VEC_COMPONENTS
];
3285 for (unsigned i
= 0; i
< elems
; i
++)
3286 srcs
[i
] = vtn_ssa_value(b
, w
[3 + i
])->def
;
3288 vtn_vector_construct(b
, glsl_get_vector_elements(type
),
3291 val
->ssa
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
3292 for (unsigned i
= 0; i
< elems
; i
++)
3293 val
->ssa
->elems
[i
] = vtn_ssa_value(b
, w
[3 + i
]);
3297 case SpvOpCompositeExtract
:
3298 val
->ssa
= vtn_composite_extract(b
, vtn_ssa_value(b
, w
[3]),
3302 case SpvOpCompositeInsert
:
3303 val
->ssa
= vtn_composite_insert(b
, vtn_ssa_value(b
, w
[4]),
3304 vtn_ssa_value(b
, w
[3]),
3308 case SpvOpCopyObject
:
3309 val
->ssa
= vtn_composite_copy(b
, vtn_ssa_value(b
, w
[3]));
3313 vtn_fail("unknown composite operation");
3318 vtn_emit_barrier(struct vtn_builder
*b
, nir_intrinsic_op op
)
3320 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
3321 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3325 vtn_emit_memory_barrier(struct vtn_builder
*b
, SpvScope scope
,
3326 SpvMemorySemanticsMask semantics
)
3328 static const SpvMemorySemanticsMask all_memory_semantics
=
3329 SpvMemorySemanticsUniformMemoryMask
|
3330 SpvMemorySemanticsWorkgroupMemoryMask
|
3331 SpvMemorySemanticsAtomicCounterMemoryMask
|
3332 SpvMemorySemanticsImageMemoryMask
;
3334 /* If we're not actually doing a memory barrier, bail */
3335 if (!(semantics
& all_memory_semantics
))
3338 /* GL and Vulkan don't have these */
3339 vtn_assert(scope
!= SpvScopeCrossDevice
);
3341 if (scope
== SpvScopeSubgroup
)
3342 return; /* Nothing to do here */
3344 if (scope
== SpvScopeWorkgroup
) {
3345 vtn_emit_barrier(b
, nir_intrinsic_group_memory_barrier
);
3349 /* There's only two scopes thing left */
3350 vtn_assert(scope
== SpvScopeInvocation
|| scope
== SpvScopeDevice
);
3352 if ((semantics
& all_memory_semantics
) == all_memory_semantics
) {
3353 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier
);
3357 /* Issue a bunch of more specific barriers */
3358 uint32_t bits
= semantics
;
3360 SpvMemorySemanticsMask semantic
= 1 << u_bit_scan(&bits
);
3362 case SpvMemorySemanticsUniformMemoryMask
:
3363 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_buffer
);
3365 case SpvMemorySemanticsWorkgroupMemoryMask
:
3366 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_shared
);
3368 case SpvMemorySemanticsAtomicCounterMemoryMask
:
3369 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_atomic_counter
);
3371 case SpvMemorySemanticsImageMemoryMask
:
3372 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_image
);
3381 vtn_handle_barrier(struct vtn_builder
*b
, SpvOp opcode
,
3382 const uint32_t *w
, unsigned count
)
3385 case SpvOpEmitVertex
:
3386 case SpvOpEmitStreamVertex
:
3387 case SpvOpEndPrimitive
:
3388 case SpvOpEndStreamPrimitive
: {
3389 nir_intrinsic_op intrinsic_op
;
3391 case SpvOpEmitVertex
:
3392 case SpvOpEmitStreamVertex
:
3393 intrinsic_op
= nir_intrinsic_emit_vertex
;
3395 case SpvOpEndPrimitive
:
3396 case SpvOpEndStreamPrimitive
:
3397 intrinsic_op
= nir_intrinsic_end_primitive
;
3400 unreachable("Invalid opcode");
3403 nir_intrinsic_instr
*intrin
=
3404 nir_intrinsic_instr_create(b
->shader
, intrinsic_op
);
3407 case SpvOpEmitStreamVertex
:
3408 case SpvOpEndStreamPrimitive
: {
3409 unsigned stream
= vtn_constant_uint(b
, w
[1]);
3410 nir_intrinsic_set_stream_id(intrin
, stream
);
3418 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3422 case SpvOpMemoryBarrier
: {
3423 SpvScope scope
= vtn_constant_uint(b
, w
[1]);
3424 SpvMemorySemanticsMask semantics
= vtn_constant_uint(b
, w
[2]);
3425 vtn_emit_memory_barrier(b
, scope
, semantics
);
3429 case SpvOpControlBarrier
: {
3430 SpvScope execution_scope
= vtn_constant_uint(b
, w
[1]);
3431 if (execution_scope
== SpvScopeWorkgroup
)
3432 vtn_emit_barrier(b
, nir_intrinsic_barrier
);
3434 SpvScope memory_scope
= vtn_constant_uint(b
, w
[2]);
3435 SpvMemorySemanticsMask memory_semantics
= vtn_constant_uint(b
, w
[3]);
3436 vtn_emit_memory_barrier(b
, memory_scope
, memory_semantics
);
3441 unreachable("unknown barrier instruction");
3446 gl_primitive_from_spv_execution_mode(struct vtn_builder
*b
,
3447 SpvExecutionMode mode
)
3450 case SpvExecutionModeInputPoints
:
3451 case SpvExecutionModeOutputPoints
:
3452 return 0; /* GL_POINTS */
3453 case SpvExecutionModeInputLines
:
3454 return 1; /* GL_LINES */
3455 case SpvExecutionModeInputLinesAdjacency
:
3456 return 0x000A; /* GL_LINE_STRIP_ADJACENCY_ARB */
3457 case SpvExecutionModeTriangles
:
3458 return 4; /* GL_TRIANGLES */
3459 case SpvExecutionModeInputTrianglesAdjacency
:
3460 return 0x000C; /* GL_TRIANGLES_ADJACENCY_ARB */
3461 case SpvExecutionModeQuads
:
3462 return 7; /* GL_QUADS */
3463 case SpvExecutionModeIsolines
:
3464 return 0x8E7A; /* GL_ISOLINES */
3465 case SpvExecutionModeOutputLineStrip
:
3466 return 3; /* GL_LINE_STRIP */
3467 case SpvExecutionModeOutputTriangleStrip
:
3468 return 5; /* GL_TRIANGLE_STRIP */
3470 vtn_fail("Invalid primitive type");
3475 vertices_in_from_spv_execution_mode(struct vtn_builder
*b
,
3476 SpvExecutionMode mode
)
3479 case SpvExecutionModeInputPoints
:
3481 case SpvExecutionModeInputLines
:
3483 case SpvExecutionModeInputLinesAdjacency
:
3485 case SpvExecutionModeTriangles
:
3487 case SpvExecutionModeInputTrianglesAdjacency
:
3490 vtn_fail("Invalid GS input mode");
3494 static gl_shader_stage
3495 stage_for_execution_model(struct vtn_builder
*b
, SpvExecutionModel model
)
3498 case SpvExecutionModelVertex
:
3499 return MESA_SHADER_VERTEX
;
3500 case SpvExecutionModelTessellationControl
:
3501 return MESA_SHADER_TESS_CTRL
;
3502 case SpvExecutionModelTessellationEvaluation
:
3503 return MESA_SHADER_TESS_EVAL
;
3504 case SpvExecutionModelGeometry
:
3505 return MESA_SHADER_GEOMETRY
;
3506 case SpvExecutionModelFragment
:
3507 return MESA_SHADER_FRAGMENT
;
3508 case SpvExecutionModelGLCompute
:
3509 return MESA_SHADER_COMPUTE
;
3510 case SpvExecutionModelKernel
:
3511 return MESA_SHADER_KERNEL
;
3513 vtn_fail("Unsupported execution model");
3517 #define spv_check_supported(name, cap) do { \
3518 if (!(b->options && b->options->caps.name)) \
3519 vtn_warn("Unsupported SPIR-V capability: %s", \
3520 spirv_capability_to_string(cap)); \
3525 vtn_handle_entry_point(struct vtn_builder
*b
, const uint32_t *w
,
3528 struct vtn_value
*entry_point
= &b
->values
[w
[2]];
3529 /* Let this be a name label regardless */
3530 unsigned name_words
;
3531 entry_point
->name
= vtn_string_literal(b
, &w
[3], count
- 3, &name_words
);
3533 if (strcmp(entry_point
->name
, b
->entry_point_name
) != 0 ||
3534 stage_for_execution_model(b
, w
[1]) != b
->entry_point_stage
)
3537 vtn_assert(b
->entry_point
== NULL
);
3538 b
->entry_point
= entry_point
;
3542 vtn_handle_preamble_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3543 const uint32_t *w
, unsigned count
)
3550 case SpvSourceLanguageUnknown
: lang
= "unknown"; break;
3551 case SpvSourceLanguageESSL
: lang
= "ESSL"; break;
3552 case SpvSourceLanguageGLSL
: lang
= "GLSL"; break;
3553 case SpvSourceLanguageOpenCL_C
: lang
= "OpenCL C"; break;
3554 case SpvSourceLanguageOpenCL_CPP
: lang
= "OpenCL C++"; break;
3555 case SpvSourceLanguageHLSL
: lang
= "HLSL"; break;
3558 uint32_t version
= w
[2];
3561 (count
> 3) ? vtn_value(b
, w
[3], vtn_value_type_string
)->str
: "";
3563 vtn_info("Parsing SPIR-V from %s %u source file %s", lang
, version
, file
);
3567 case SpvOpSourceExtension
:
3568 case SpvOpSourceContinued
:
3569 case SpvOpExtension
:
3570 case SpvOpModuleProcessed
:
3571 /* Unhandled, but these are for debug so that's ok. */
3574 case SpvOpCapability
: {
3575 SpvCapability cap
= w
[1];
3577 case SpvCapabilityMatrix
:
3578 case SpvCapabilityShader
:
3579 case SpvCapabilityGeometry
:
3580 case SpvCapabilityGeometryPointSize
:
3581 case SpvCapabilityUniformBufferArrayDynamicIndexing
:
3582 case SpvCapabilitySampledImageArrayDynamicIndexing
:
3583 case SpvCapabilityStorageBufferArrayDynamicIndexing
:
3584 case SpvCapabilityStorageImageArrayDynamicIndexing
:
3585 case SpvCapabilityImageRect
:
3586 case SpvCapabilitySampledRect
:
3587 case SpvCapabilitySampled1D
:
3588 case SpvCapabilityImage1D
:
3589 case SpvCapabilitySampledCubeArray
:
3590 case SpvCapabilityImageCubeArray
:
3591 case SpvCapabilitySampledBuffer
:
3592 case SpvCapabilityImageBuffer
:
3593 case SpvCapabilityImageQuery
:
3594 case SpvCapabilityDerivativeControl
:
3595 case SpvCapabilityInterpolationFunction
:
3596 case SpvCapabilityMultiViewport
:
3597 case SpvCapabilitySampleRateShading
:
3598 case SpvCapabilityClipDistance
:
3599 case SpvCapabilityCullDistance
:
3600 case SpvCapabilityInputAttachment
:
3601 case SpvCapabilityImageGatherExtended
:
3602 case SpvCapabilityStorageImageExtendedFormats
:
3605 case SpvCapabilityLinkage
:
3606 case SpvCapabilityVector16
:
3607 case SpvCapabilityFloat16Buffer
:
3608 case SpvCapabilityFloat16
:
3609 case SpvCapabilitySparseResidency
:
3610 vtn_warn("Unsupported SPIR-V capability: %s",
3611 spirv_capability_to_string(cap
));
3614 case SpvCapabilityMinLod
:
3615 spv_check_supported(min_lod
, cap
);
3618 case SpvCapabilityAtomicStorage
:
3619 spv_check_supported(atomic_storage
, cap
);
3622 case SpvCapabilityFloat64
:
3623 spv_check_supported(float64
, cap
);
3625 case SpvCapabilityInt64
:
3626 spv_check_supported(int64
, cap
);
3628 case SpvCapabilityInt16
:
3629 spv_check_supported(int16
, cap
);
3632 case SpvCapabilityTransformFeedback
:
3633 spv_check_supported(transform_feedback
, cap
);
3636 case SpvCapabilityGeometryStreams
:
3637 spv_check_supported(geometry_streams
, cap
);
3640 case SpvCapabilityInt64Atomics
:
3641 spv_check_supported(int64_atomics
, cap
);
3644 case SpvCapabilityInt8
:
3645 spv_check_supported(int8
, cap
);
3648 case SpvCapabilityStorageImageMultisample
:
3649 spv_check_supported(storage_image_ms
, cap
);
3652 case SpvCapabilityAddresses
:
3653 spv_check_supported(address
, cap
);
3656 case SpvCapabilityKernel
:
3657 spv_check_supported(kernel
, cap
);
3660 case SpvCapabilityImageBasic
:
3661 case SpvCapabilityImageReadWrite
:
3662 case SpvCapabilityImageMipmap
:
3663 case SpvCapabilityPipes
:
3664 case SpvCapabilityGroups
:
3665 case SpvCapabilityDeviceEnqueue
:
3666 case SpvCapabilityLiteralSampler
:
3667 case SpvCapabilityGenericPointer
:
3668 vtn_warn("Unsupported OpenCL-style SPIR-V capability: %s",
3669 spirv_capability_to_string(cap
));
3672 case SpvCapabilityImageMSArray
:
3673 spv_check_supported(image_ms_array
, cap
);
3676 case SpvCapabilityTessellation
:
3677 case SpvCapabilityTessellationPointSize
:
3678 spv_check_supported(tessellation
, cap
);
3681 case SpvCapabilityDrawParameters
:
3682 spv_check_supported(draw_parameters
, cap
);
3685 case SpvCapabilityStorageImageReadWithoutFormat
:
3686 spv_check_supported(image_read_without_format
, cap
);
3689 case SpvCapabilityStorageImageWriteWithoutFormat
:
3690 spv_check_supported(image_write_without_format
, cap
);
3693 case SpvCapabilityDeviceGroup
:
3694 spv_check_supported(device_group
, cap
);
3697 case SpvCapabilityMultiView
:
3698 spv_check_supported(multiview
, cap
);
3701 case SpvCapabilityGroupNonUniform
:
3702 spv_check_supported(subgroup_basic
, cap
);
3705 case SpvCapabilityGroupNonUniformVote
:
3706 spv_check_supported(subgroup_vote
, cap
);
3709 case SpvCapabilitySubgroupBallotKHR
:
3710 case SpvCapabilityGroupNonUniformBallot
:
3711 spv_check_supported(subgroup_ballot
, cap
);
3714 case SpvCapabilityGroupNonUniformShuffle
:
3715 case SpvCapabilityGroupNonUniformShuffleRelative
:
3716 spv_check_supported(subgroup_shuffle
, cap
);
3719 case SpvCapabilityGroupNonUniformQuad
:
3720 spv_check_supported(subgroup_quad
, cap
);
3723 case SpvCapabilityGroupNonUniformArithmetic
:
3724 case SpvCapabilityGroupNonUniformClustered
:
3725 spv_check_supported(subgroup_arithmetic
, cap
);
3728 case SpvCapabilityVariablePointersStorageBuffer
:
3729 case SpvCapabilityVariablePointers
:
3730 spv_check_supported(variable_pointers
, cap
);
3731 b
->variable_pointers
= true;
3734 case SpvCapabilityStorageUniformBufferBlock16
:
3735 case SpvCapabilityStorageUniform16
:
3736 case SpvCapabilityStoragePushConstant16
:
3737 case SpvCapabilityStorageInputOutput16
:
3738 spv_check_supported(storage_16bit
, cap
);
3741 case SpvCapabilityShaderViewportIndexLayerEXT
:
3742 spv_check_supported(shader_viewport_index_layer
, cap
);
3745 case SpvCapabilityStorageBuffer8BitAccess
:
3746 case SpvCapabilityUniformAndStorageBuffer8BitAccess
:
3747 case SpvCapabilityStoragePushConstant8
:
3748 spv_check_supported(storage_8bit
, cap
);
3751 case SpvCapabilityInputAttachmentArrayDynamicIndexingEXT
:
3752 case SpvCapabilityUniformTexelBufferArrayDynamicIndexingEXT
:
3753 case SpvCapabilityStorageTexelBufferArrayDynamicIndexingEXT
:
3754 spv_check_supported(descriptor_array_dynamic_indexing
, cap
);
3757 case SpvCapabilityRuntimeDescriptorArrayEXT
:
3758 spv_check_supported(runtime_descriptor_array
, cap
);
3761 case SpvCapabilityStencilExportEXT
:
3762 spv_check_supported(stencil_export
, cap
);
3765 case SpvCapabilitySampleMaskPostDepthCoverage
:
3766 spv_check_supported(post_depth_coverage
, cap
);
3769 case SpvCapabilityPhysicalStorageBufferAddressesEXT
:
3770 spv_check_supported(physical_storage_buffer_address
, cap
);
3774 vtn_fail("Unhandled capability");
3779 case SpvOpExtInstImport
:
3780 vtn_handle_extension(b
, opcode
, w
, count
);
3783 case SpvOpMemoryModel
:
3785 case SpvAddressingModelPhysical32
:
3786 vtn_fail_if(b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
,
3787 "AddressingModelPhysical32 only supported for kernels");
3788 b
->shader
->info
.cs
.ptr_size
= 32;
3789 b
->physical_ptrs
= true;
3790 b
->options
->shared_ptr_type
= glsl_uint_type();
3791 b
->options
->global_ptr_type
= glsl_uint_type();
3792 b
->options
->temp_ptr_type
= glsl_uint_type();
3794 case SpvAddressingModelPhysical64
:
3795 vtn_fail_if(b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
,
3796 "AddressingModelPhysical64 only supported for kernels");
3797 b
->shader
->info
.cs
.ptr_size
= 64;
3798 b
->physical_ptrs
= true;
3799 b
->options
->shared_ptr_type
= glsl_uint64_t_type();
3800 b
->options
->global_ptr_type
= glsl_uint64_t_type();
3801 b
->options
->temp_ptr_type
= glsl_uint64_t_type();
3803 case SpvAddressingModelLogical
:
3804 vtn_fail_if(b
->shader
->info
.stage
>= MESA_SHADER_STAGES
,
3805 "AddressingModelLogical only supported for shaders");
3806 b
->shader
->info
.cs
.ptr_size
= 0;
3807 b
->physical_ptrs
= false;
3809 case SpvAddressingModelPhysicalStorageBuffer64EXT
:
3810 vtn_fail_if(!b
->options
||
3811 !b
->options
->caps
.physical_storage_buffer_address
,
3812 "AddressingModelPhysicalStorageBuffer64EXT not supported");
3815 vtn_fail("Unknown addressing model");
3819 vtn_assert(w
[2] == SpvMemoryModelSimple
||
3820 w
[2] == SpvMemoryModelGLSL450
||
3821 w
[2] == SpvMemoryModelOpenCL
);
3824 case SpvOpEntryPoint
:
3825 vtn_handle_entry_point(b
, w
, count
);
3829 vtn_push_value(b
, w
[1], vtn_value_type_string
)->str
=
3830 vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3834 b
->values
[w
[1]].name
= vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3837 case SpvOpMemberName
:
3841 case SpvOpExecutionMode
:
3842 case SpvOpExecutionModeId
:
3843 case SpvOpDecorationGroup
:
3845 case SpvOpMemberDecorate
:
3846 case SpvOpGroupDecorate
:
3847 case SpvOpGroupMemberDecorate
:
3848 case SpvOpDecorateStringGOOGLE
:
3849 case SpvOpMemberDecorateStringGOOGLE
:
3850 vtn_handle_decoration(b
, opcode
, w
, count
);
3854 return false; /* End of preamble */
3861 vtn_handle_execution_mode(struct vtn_builder
*b
, struct vtn_value
*entry_point
,
3862 const struct vtn_decoration
*mode
, void *data
)
3864 vtn_assert(b
->entry_point
== entry_point
);
3866 switch(mode
->exec_mode
) {
3867 case SpvExecutionModeOriginUpperLeft
:
3868 case SpvExecutionModeOriginLowerLeft
:
3869 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3870 b
->shader
->info
.fs
.origin_upper_left
=
3871 (mode
->exec_mode
== SpvExecutionModeOriginUpperLeft
);
3874 case SpvExecutionModeEarlyFragmentTests
:
3875 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3876 b
->shader
->info
.fs
.early_fragment_tests
= true;
3879 case SpvExecutionModePostDepthCoverage
:
3880 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3881 b
->shader
->info
.fs
.post_depth_coverage
= true;
3884 case SpvExecutionModeInvocations
:
3885 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3886 b
->shader
->info
.gs
.invocations
= MAX2(1, mode
->literals
[0]);
3889 case SpvExecutionModeDepthReplacing
:
3890 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3891 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_ANY
;
3893 case SpvExecutionModeDepthGreater
:
3894 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3895 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_GREATER
;
3897 case SpvExecutionModeDepthLess
:
3898 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3899 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_LESS
;
3901 case SpvExecutionModeDepthUnchanged
:
3902 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3903 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_UNCHANGED
;
3906 case SpvExecutionModeLocalSize
:
3907 vtn_assert(gl_shader_stage_is_compute(b
->shader
->info
.stage
));
3908 b
->shader
->info
.cs
.local_size
[0] = mode
->literals
[0];
3909 b
->shader
->info
.cs
.local_size
[1] = mode
->literals
[1];
3910 b
->shader
->info
.cs
.local_size
[2] = mode
->literals
[2];
3913 case SpvExecutionModeLocalSizeId
:
3914 b
->shader
->info
.cs
.local_size
[0] = vtn_constant_uint(b
, mode
->literals
[0]);
3915 b
->shader
->info
.cs
.local_size
[1] = vtn_constant_uint(b
, mode
->literals
[1]);
3916 b
->shader
->info
.cs
.local_size
[2] = vtn_constant_uint(b
, mode
->literals
[2]);
3919 case SpvExecutionModeLocalSizeHint
:
3920 case SpvExecutionModeLocalSizeHintId
:
3921 break; /* Nothing to do with this */
3923 case SpvExecutionModeOutputVertices
:
3924 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3925 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3926 b
->shader
->info
.tess
.tcs_vertices_out
= mode
->literals
[0];
3928 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3929 b
->shader
->info
.gs
.vertices_out
= mode
->literals
[0];
3933 case SpvExecutionModeInputPoints
:
3934 case SpvExecutionModeInputLines
:
3935 case SpvExecutionModeInputLinesAdjacency
:
3936 case SpvExecutionModeTriangles
:
3937 case SpvExecutionModeInputTrianglesAdjacency
:
3938 case SpvExecutionModeQuads
:
3939 case SpvExecutionModeIsolines
:
3940 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3941 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3942 b
->shader
->info
.tess
.primitive_mode
=
3943 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3945 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3946 b
->shader
->info
.gs
.vertices_in
=
3947 vertices_in_from_spv_execution_mode(b
, mode
->exec_mode
);
3948 b
->shader
->info
.gs
.input_primitive
=
3949 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3953 case SpvExecutionModeOutputPoints
:
3954 case SpvExecutionModeOutputLineStrip
:
3955 case SpvExecutionModeOutputTriangleStrip
:
3956 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3957 b
->shader
->info
.gs
.output_primitive
=
3958 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3961 case SpvExecutionModeSpacingEqual
:
3962 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3963 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3964 b
->shader
->info
.tess
.spacing
= TESS_SPACING_EQUAL
;
3966 case SpvExecutionModeSpacingFractionalEven
:
3967 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3968 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3969 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_EVEN
;
3971 case SpvExecutionModeSpacingFractionalOdd
:
3972 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3973 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3974 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_ODD
;
3976 case SpvExecutionModeVertexOrderCw
:
3977 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3978 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3979 b
->shader
->info
.tess
.ccw
= false;
3981 case SpvExecutionModeVertexOrderCcw
:
3982 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3983 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3984 b
->shader
->info
.tess
.ccw
= true;
3986 case SpvExecutionModePointMode
:
3987 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3988 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3989 b
->shader
->info
.tess
.point_mode
= true;
3992 case SpvExecutionModePixelCenterInteger
:
3993 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3994 b
->shader
->info
.fs
.pixel_center_integer
= true;
3997 case SpvExecutionModeXfb
:
3998 b
->shader
->info
.has_transform_feedback_varyings
= true;
4001 case SpvExecutionModeVecTypeHint
:
4004 case SpvExecutionModeContractionOff
:
4005 if (b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
)
4006 vtn_warn("ExectionMode only allowed for CL-style kernels: %s",
4007 spirv_executionmode_to_string(mode
->exec_mode
));
4012 case SpvExecutionModeStencilRefReplacingEXT
:
4013 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
4017 vtn_fail("Unhandled execution mode");
4022 vtn_handle_variable_or_type_instruction(struct vtn_builder
*b
, SpvOp opcode
,
4023 const uint32_t *w
, unsigned count
)
4025 vtn_set_instruction_result_type(b
, opcode
, w
, count
);
4029 case SpvOpSourceContinued
:
4030 case SpvOpSourceExtension
:
4031 case SpvOpExtension
:
4032 case SpvOpCapability
:
4033 case SpvOpExtInstImport
:
4034 case SpvOpMemoryModel
:
4035 case SpvOpEntryPoint
:
4036 case SpvOpExecutionMode
:
4039 case SpvOpMemberName
:
4040 case SpvOpDecorationGroup
:
4042 case SpvOpMemberDecorate
:
4043 case SpvOpGroupDecorate
:
4044 case SpvOpGroupMemberDecorate
:
4045 case SpvOpDecorateStringGOOGLE
:
4046 case SpvOpMemberDecorateStringGOOGLE
:
4047 vtn_fail("Invalid opcode types and variables section");
4053 case SpvOpTypeFloat
:
4054 case SpvOpTypeVector
:
4055 case SpvOpTypeMatrix
:
4056 case SpvOpTypeImage
:
4057 case SpvOpTypeSampler
:
4058 case SpvOpTypeSampledImage
:
4059 case SpvOpTypeArray
:
4060 case SpvOpTypeRuntimeArray
:
4061 case SpvOpTypeStruct
:
4062 case SpvOpTypeOpaque
:
4063 case SpvOpTypePointer
:
4064 case SpvOpTypeForwardPointer
:
4065 case SpvOpTypeFunction
:
4066 case SpvOpTypeEvent
:
4067 case SpvOpTypeDeviceEvent
:
4068 case SpvOpTypeReserveId
:
4069 case SpvOpTypeQueue
:
4071 vtn_handle_type(b
, opcode
, w
, count
);
4074 case SpvOpConstantTrue
:
4075 case SpvOpConstantFalse
:
4077 case SpvOpConstantComposite
:
4078 case SpvOpConstantSampler
:
4079 case SpvOpConstantNull
:
4080 case SpvOpSpecConstantTrue
:
4081 case SpvOpSpecConstantFalse
:
4082 case SpvOpSpecConstant
:
4083 case SpvOpSpecConstantComposite
:
4084 case SpvOpSpecConstantOp
:
4085 vtn_handle_constant(b
, opcode
, w
, count
);
4090 vtn_handle_variables(b
, opcode
, w
, count
);
4094 return false; /* End of preamble */
4101 vtn_handle_body_instruction(struct vtn_builder
*b
, SpvOp opcode
,
4102 const uint32_t *w
, unsigned count
)
4108 case SpvOpLoopMerge
:
4109 case SpvOpSelectionMerge
:
4110 /* This is handled by cfg pre-pass and walk_blocks */
4114 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_undef
);
4115 val
->type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
4120 vtn_handle_extension(b
, opcode
, w
, count
);
4126 case SpvOpCopyMemory
:
4127 case SpvOpCopyMemorySized
:
4128 case SpvOpAccessChain
:
4129 case SpvOpPtrAccessChain
:
4130 case SpvOpInBoundsAccessChain
:
4131 case SpvOpInBoundsPtrAccessChain
:
4132 case SpvOpArrayLength
:
4133 case SpvOpConvertPtrToU
:
4134 case SpvOpConvertUToPtr
:
4135 vtn_handle_variables(b
, opcode
, w
, count
);
4138 case SpvOpFunctionCall
:
4139 vtn_handle_function_call(b
, opcode
, w
, count
);
4142 case SpvOpSampledImage
:
4144 case SpvOpImageSampleImplicitLod
:
4145 case SpvOpImageSampleExplicitLod
:
4146 case SpvOpImageSampleDrefImplicitLod
:
4147 case SpvOpImageSampleDrefExplicitLod
:
4148 case SpvOpImageSampleProjImplicitLod
:
4149 case SpvOpImageSampleProjExplicitLod
:
4150 case SpvOpImageSampleProjDrefImplicitLod
:
4151 case SpvOpImageSampleProjDrefExplicitLod
:
4152 case SpvOpImageFetch
:
4153 case SpvOpImageGather
:
4154 case SpvOpImageDrefGather
:
4155 case SpvOpImageQuerySizeLod
:
4156 case SpvOpImageQueryLod
:
4157 case SpvOpImageQueryLevels
:
4158 case SpvOpImageQuerySamples
:
4159 vtn_handle_texture(b
, opcode
, w
, count
);
4162 case SpvOpImageRead
:
4163 case SpvOpImageWrite
:
4164 case SpvOpImageTexelPointer
:
4165 vtn_handle_image(b
, opcode
, w
, count
);
4168 case SpvOpImageQuerySize
: {
4169 struct vtn_pointer
*image
=
4170 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
4171 if (glsl_type_is_image(image
->type
->type
)) {
4172 vtn_handle_image(b
, opcode
, w
, count
);
4174 vtn_assert(glsl_type_is_sampler(image
->type
->type
));
4175 vtn_handle_texture(b
, opcode
, w
, count
);
4180 case SpvOpAtomicLoad
:
4181 case SpvOpAtomicExchange
:
4182 case SpvOpAtomicCompareExchange
:
4183 case SpvOpAtomicCompareExchangeWeak
:
4184 case SpvOpAtomicIIncrement
:
4185 case SpvOpAtomicIDecrement
:
4186 case SpvOpAtomicIAdd
:
4187 case SpvOpAtomicISub
:
4188 case SpvOpAtomicSMin
:
4189 case SpvOpAtomicUMin
:
4190 case SpvOpAtomicSMax
:
4191 case SpvOpAtomicUMax
:
4192 case SpvOpAtomicAnd
:
4194 case SpvOpAtomicXor
: {
4195 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[3]);
4196 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
4197 vtn_handle_image(b
, opcode
, w
, count
);
4199 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
4200 vtn_handle_atomics(b
, opcode
, w
, count
);
4205 case SpvOpAtomicStore
: {
4206 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[1]);
4207 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
4208 vtn_handle_image(b
, opcode
, w
, count
);
4210 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
4211 vtn_handle_atomics(b
, opcode
, w
, count
);
4217 /* Handle OpSelect up-front here because it needs to be able to handle
4218 * pointers and not just regular vectors and scalars.
4220 struct vtn_value
*res_val
= vtn_untyped_value(b
, w
[2]);
4221 struct vtn_value
*sel_val
= vtn_untyped_value(b
, w
[3]);
4222 struct vtn_value
*obj1_val
= vtn_untyped_value(b
, w
[4]);
4223 struct vtn_value
*obj2_val
= vtn_untyped_value(b
, w
[5]);
4225 const struct glsl_type
*sel_type
;
4226 switch (res_val
->type
->base_type
) {
4227 case vtn_base_type_scalar
:
4228 sel_type
= glsl_bool_type();
4230 case vtn_base_type_vector
:
4231 sel_type
= glsl_vector_type(GLSL_TYPE_BOOL
, res_val
->type
->length
);
4233 case vtn_base_type_pointer
:
4234 /* We need to have actual storage for pointer types */
4235 vtn_fail_if(res_val
->type
->type
== NULL
,
4236 "Invalid pointer result type for OpSelect");
4237 sel_type
= glsl_bool_type();
4240 vtn_fail("Result type of OpSelect must be a scalar, vector, or pointer");
4243 if (unlikely(sel_val
->type
->type
!= sel_type
)) {
4244 if (sel_val
->type
->type
== glsl_bool_type()) {
4245 /* This case is illegal but some older versions of GLSLang produce
4246 * it. The GLSLang issue was fixed on March 30, 2017:
4248 * https://github.com/KhronosGroup/glslang/issues/809
4250 * Unfortunately, there are applications in the wild which are
4251 * shipping with this bug so it isn't nice to fail on them so we
4252 * throw a warning instead. It's not actually a problem for us as
4253 * nir_builder will just splat the condition out which is most
4254 * likely what the client wanted anyway.
4256 vtn_warn("Condition type of OpSelect must have the same number "
4257 "of components as Result Type");
4259 vtn_fail("Condition type of OpSelect must be a scalar or vector "
4260 "of Boolean type. It must have the same number of "
4261 "components as Result Type");
4265 vtn_fail_if(obj1_val
->type
!= res_val
->type
||
4266 obj2_val
->type
!= res_val
->type
,
4267 "Object types must match the result type in OpSelect");
4269 struct vtn_type
*res_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
4270 struct vtn_ssa_value
*ssa
= vtn_create_ssa_value(b
, res_type
->type
);
4271 ssa
->def
= nir_bcsel(&b
->nb
, vtn_ssa_value(b
, w
[3])->def
,
4272 vtn_ssa_value(b
, w
[4])->def
,
4273 vtn_ssa_value(b
, w
[5])->def
);
4274 vtn_push_ssa(b
, w
[2], res_type
, ssa
);
4283 case SpvOpConvertFToU
:
4284 case SpvOpConvertFToS
:
4285 case SpvOpConvertSToF
:
4286 case SpvOpConvertUToF
:
4290 case SpvOpQuantizeToF16
:
4291 case SpvOpPtrCastToGeneric
:
4292 case SpvOpGenericCastToPtr
:
4298 case SpvOpSignBitSet
:
4299 case SpvOpLessOrGreater
:
4301 case SpvOpUnordered
:
4316 case SpvOpVectorTimesScalar
:
4318 case SpvOpIAddCarry
:
4319 case SpvOpISubBorrow
:
4320 case SpvOpUMulExtended
:
4321 case SpvOpSMulExtended
:
4322 case SpvOpShiftRightLogical
:
4323 case SpvOpShiftRightArithmetic
:
4324 case SpvOpShiftLeftLogical
:
4325 case SpvOpLogicalEqual
:
4326 case SpvOpLogicalNotEqual
:
4327 case SpvOpLogicalOr
:
4328 case SpvOpLogicalAnd
:
4329 case SpvOpLogicalNot
:
4330 case SpvOpBitwiseOr
:
4331 case SpvOpBitwiseXor
:
4332 case SpvOpBitwiseAnd
:
4334 case SpvOpFOrdEqual
:
4335 case SpvOpFUnordEqual
:
4336 case SpvOpINotEqual
:
4337 case SpvOpFOrdNotEqual
:
4338 case SpvOpFUnordNotEqual
:
4339 case SpvOpULessThan
:
4340 case SpvOpSLessThan
:
4341 case SpvOpFOrdLessThan
:
4342 case SpvOpFUnordLessThan
:
4343 case SpvOpUGreaterThan
:
4344 case SpvOpSGreaterThan
:
4345 case SpvOpFOrdGreaterThan
:
4346 case SpvOpFUnordGreaterThan
:
4347 case SpvOpULessThanEqual
:
4348 case SpvOpSLessThanEqual
:
4349 case SpvOpFOrdLessThanEqual
:
4350 case SpvOpFUnordLessThanEqual
:
4351 case SpvOpUGreaterThanEqual
:
4352 case SpvOpSGreaterThanEqual
:
4353 case SpvOpFOrdGreaterThanEqual
:
4354 case SpvOpFUnordGreaterThanEqual
:
4360 case SpvOpFwidthFine
:
4361 case SpvOpDPdxCoarse
:
4362 case SpvOpDPdyCoarse
:
4363 case SpvOpFwidthCoarse
:
4364 case SpvOpBitFieldInsert
:
4365 case SpvOpBitFieldSExtract
:
4366 case SpvOpBitFieldUExtract
:
4367 case SpvOpBitReverse
:
4369 case SpvOpTranspose
:
4370 case SpvOpOuterProduct
:
4371 case SpvOpMatrixTimesScalar
:
4372 case SpvOpVectorTimesMatrix
:
4373 case SpvOpMatrixTimesVector
:
4374 case SpvOpMatrixTimesMatrix
:
4375 vtn_handle_alu(b
, opcode
, w
, count
);
4378 case SpvOpVectorExtractDynamic
:
4379 case SpvOpVectorInsertDynamic
:
4380 case SpvOpVectorShuffle
:
4381 case SpvOpCompositeConstruct
:
4382 case SpvOpCompositeExtract
:
4383 case SpvOpCompositeInsert
:
4384 case SpvOpCopyObject
:
4385 vtn_handle_composite(b
, opcode
, w
, count
);
4388 case SpvOpEmitVertex
:
4389 case SpvOpEndPrimitive
:
4390 case SpvOpEmitStreamVertex
:
4391 case SpvOpEndStreamPrimitive
:
4392 case SpvOpControlBarrier
:
4393 case SpvOpMemoryBarrier
:
4394 vtn_handle_barrier(b
, opcode
, w
, count
);
4397 case SpvOpGroupNonUniformElect
:
4398 case SpvOpGroupNonUniformAll
:
4399 case SpvOpGroupNonUniformAny
:
4400 case SpvOpGroupNonUniformAllEqual
:
4401 case SpvOpGroupNonUniformBroadcast
:
4402 case SpvOpGroupNonUniformBroadcastFirst
:
4403 case SpvOpGroupNonUniformBallot
:
4404 case SpvOpGroupNonUniformInverseBallot
:
4405 case SpvOpGroupNonUniformBallotBitExtract
:
4406 case SpvOpGroupNonUniformBallotBitCount
:
4407 case SpvOpGroupNonUniformBallotFindLSB
:
4408 case SpvOpGroupNonUniformBallotFindMSB
:
4409 case SpvOpGroupNonUniformShuffle
:
4410 case SpvOpGroupNonUniformShuffleXor
:
4411 case SpvOpGroupNonUniformShuffleUp
:
4412 case SpvOpGroupNonUniformShuffleDown
:
4413 case SpvOpGroupNonUniformIAdd
:
4414 case SpvOpGroupNonUniformFAdd
:
4415 case SpvOpGroupNonUniformIMul
:
4416 case SpvOpGroupNonUniformFMul
:
4417 case SpvOpGroupNonUniformSMin
:
4418 case SpvOpGroupNonUniformUMin
:
4419 case SpvOpGroupNonUniformFMin
:
4420 case SpvOpGroupNonUniformSMax
:
4421 case SpvOpGroupNonUniformUMax
:
4422 case SpvOpGroupNonUniformFMax
:
4423 case SpvOpGroupNonUniformBitwiseAnd
:
4424 case SpvOpGroupNonUniformBitwiseOr
:
4425 case SpvOpGroupNonUniformBitwiseXor
:
4426 case SpvOpGroupNonUniformLogicalAnd
:
4427 case SpvOpGroupNonUniformLogicalOr
:
4428 case SpvOpGroupNonUniformLogicalXor
:
4429 case SpvOpGroupNonUniformQuadBroadcast
:
4430 case SpvOpGroupNonUniformQuadSwap
:
4431 vtn_handle_subgroup(b
, opcode
, w
, count
);
4435 vtn_fail("Unhandled opcode");
4442 vtn_create_builder(const uint32_t *words
, size_t word_count
,
4443 gl_shader_stage stage
, const char *entry_point_name
,
4444 const struct spirv_to_nir_options
*options
)
4446 /* Initialize the vtn_builder object */
4447 struct vtn_builder
*b
= rzalloc(NULL
, struct vtn_builder
);
4448 struct spirv_to_nir_options
*dup_options
=
4449 ralloc(b
, struct spirv_to_nir_options
);
4450 *dup_options
= *options
;
4453 b
->spirv_word_count
= word_count
;
4457 exec_list_make_empty(&b
->functions
);
4458 b
->entry_point_stage
= stage
;
4459 b
->entry_point_name
= entry_point_name
;
4460 b
->options
= dup_options
;
4463 * Handle the SPIR-V header (first 5 dwords).
4464 * Can't use vtx_assert() as the setjmp(3) target isn't initialized yet.
4466 if (word_count
<= 5)
4469 if (words
[0] != SpvMagicNumber
) {
4470 vtn_err("words[0] was 0x%x, want 0x%x", words
[0], SpvMagicNumber
);
4473 if (words
[1] < 0x10000) {
4474 vtn_err("words[1] was 0x%x, want >= 0x10000", words
[1]);
4478 uint16_t generator_id
= words
[2] >> 16;
4479 uint16_t generator_version
= words
[2];
4481 /* The first GLSLang version bump actually 1.5 years after #179 was fixed
4482 * but this should at least let us shut the workaround off for modern
4483 * versions of GLSLang.
4485 b
->wa_glslang_179
= (generator_id
== 8 && generator_version
== 1);
4487 /* words[2] == generator magic */
4488 unsigned value_id_bound
= words
[3];
4489 if (words
[4] != 0) {
4490 vtn_err("words[4] was %u, want 0", words
[4]);
4494 b
->value_id_bound
= value_id_bound
;
4495 b
->values
= rzalloc_array(b
, struct vtn_value
, value_id_bound
);
4503 static nir_function
*
4504 vtn_emit_kernel_entry_point_wrapper(struct vtn_builder
*b
,
4505 nir_function
*entry_point
)
4507 vtn_assert(entry_point
== b
->entry_point
->func
->impl
->function
);
4508 vtn_fail_if(!entry_point
->name
, "entry points are required to have a name");
4509 const char *func_name
=
4510 ralloc_asprintf(b
->shader
, "__wrapped_%s", entry_point
->name
);
4512 /* we shouldn't have any inputs yet */
4513 vtn_assert(!entry_point
->shader
->num_inputs
);
4514 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_KERNEL
);
4516 nir_function
*main_entry_point
= nir_function_create(b
->shader
, func_name
);
4517 main_entry_point
->impl
= nir_function_impl_create(main_entry_point
);
4518 nir_builder_init(&b
->nb
, main_entry_point
->impl
);
4519 b
->nb
.cursor
= nir_after_cf_list(&main_entry_point
->impl
->body
);
4520 b
->func_param_idx
= 0;
4522 nir_call_instr
*call
= nir_call_instr_create(b
->nb
.shader
, entry_point
);
4524 for (unsigned i
= 0; i
< entry_point
->num_params
; ++i
) {
4525 struct vtn_type
*param_type
= b
->entry_point
->func
->type
->params
[i
];
4527 /* consider all pointers to function memory to be parameters passed
4530 bool is_by_val
= param_type
->base_type
== vtn_base_type_pointer
&&
4531 param_type
->storage_class
== SpvStorageClassFunction
;
4533 /* input variable */
4534 nir_variable
*in_var
= rzalloc(b
->nb
.shader
, nir_variable
);
4535 in_var
->data
.mode
= nir_var_shader_in
;
4536 in_var
->data
.read_only
= true;
4537 in_var
->data
.location
= i
;
4540 in_var
->type
= param_type
->deref
->type
;
4542 in_var
->type
= param_type
->type
;
4544 nir_shader_add_variable(b
->nb
.shader
, in_var
);
4545 b
->nb
.shader
->num_inputs
++;
4547 /* we have to copy the entire variable into function memory */
4549 nir_variable
*copy_var
=
4550 nir_local_variable_create(main_entry_point
->impl
, in_var
->type
,
4552 nir_copy_var(&b
->nb
, copy_var
, in_var
);
4554 nir_src_for_ssa(&nir_build_deref_var(&b
->nb
, copy_var
)->dest
.ssa
);
4556 call
->params
[i
] = nir_src_for_ssa(nir_load_var(&b
->nb
, in_var
));
4560 nir_builder_instr_insert(&b
->nb
, &call
->instr
);
4562 return main_entry_point
;
4566 spirv_to_nir(const uint32_t *words
, size_t word_count
,
4567 struct nir_spirv_specialization
*spec
, unsigned num_spec
,
4568 gl_shader_stage stage
, const char *entry_point_name
,
4569 const struct spirv_to_nir_options
*options
,
4570 const nir_shader_compiler_options
*nir_options
)
4573 const uint32_t *word_end
= words
+ word_count
;
4575 struct vtn_builder
*b
= vtn_create_builder(words
, word_count
,
4576 stage
, entry_point_name
,
4582 /* See also _vtn_fail() */
4583 if (setjmp(b
->fail_jump
)) {
4588 /* Skip the SPIR-V header, handled at vtn_create_builder */
4591 b
->shader
= nir_shader_create(b
, stage
, nir_options
, NULL
);
4593 /* Handle all the preamble instructions */
4594 words
= vtn_foreach_instruction(b
, words
, word_end
,
4595 vtn_handle_preamble_instruction
);
4597 if (b
->entry_point
== NULL
) {
4598 vtn_fail("Entry point not found");
4603 /* Set shader info defaults */
4604 b
->shader
->info
.gs
.invocations
= 1;
4606 b
->specializations
= spec
;
4607 b
->num_specializations
= num_spec
;
4609 /* Handle all variable, type, and constant instructions */
4610 words
= vtn_foreach_instruction(b
, words
, word_end
,
4611 vtn_handle_variable_or_type_instruction
);
4613 /* Parse execution modes */
4614 vtn_foreach_execution_mode(b
, b
->entry_point
,
4615 vtn_handle_execution_mode
, NULL
);
4617 if (b
->workgroup_size_builtin
) {
4618 vtn_assert(b
->workgroup_size_builtin
->type
->type
==
4619 glsl_vector_type(GLSL_TYPE_UINT
, 3));
4621 nir_const_value
*const_size
=
4622 &b
->workgroup_size_builtin
->constant
->values
[0];
4624 b
->shader
->info
.cs
.local_size
[0] = const_size
->u32
[0];
4625 b
->shader
->info
.cs
.local_size
[1] = const_size
->u32
[1];
4626 b
->shader
->info
.cs
.local_size
[2] = const_size
->u32
[2];
4629 /* Set types on all vtn_values */
4630 vtn_foreach_instruction(b
, words
, word_end
, vtn_set_instruction_result_type
);
4632 vtn_build_cfg(b
, words
, word_end
);
4634 assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4635 b
->entry_point
->func
->referenced
= true;
4640 foreach_list_typed(struct vtn_function
, func
, node
, &b
->functions
) {
4641 if (func
->referenced
&& !func
->emitted
) {
4642 b
->const_table
= _mesa_pointer_hash_table_create(b
);
4644 vtn_function_emit(b
, func
, vtn_handle_body_instruction
);
4650 vtn_assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4651 nir_function
*entry_point
= b
->entry_point
->func
->impl
->function
;
4652 vtn_assert(entry_point
);
4654 /* post process entry_points with input params */
4655 if (entry_point
->num_params
&& b
->shader
->info
.stage
== MESA_SHADER_KERNEL
)
4656 entry_point
= vtn_emit_kernel_entry_point_wrapper(b
, entry_point
);
4658 entry_point
->is_entrypoint
= true;
4660 /* When multiple shader stages exist in the same SPIR-V module, we
4661 * generate input and output variables for every stage, in the same
4662 * NIR program. These dead variables can be invalid NIR. For example,
4663 * TCS outputs must be per-vertex arrays (or decorated 'patch'), while
4664 * VS output variables wouldn't be.
4666 * To ensure we have valid NIR, we eliminate any dead inputs and outputs
4667 * right away. In order to do so, we must lower any constant initializers
4668 * on outputs so nir_remove_dead_variables sees that they're written to.
4670 nir_lower_constant_initializers(b
->shader
, nir_var_shader_out
);
4671 nir_remove_dead_variables(b
->shader
,
4672 nir_var_shader_in
| nir_var_shader_out
);
4674 /* We sometimes generate bogus derefs that, while never used, give the
4675 * validator a bit of heartburn. Run dead code to get rid of them.
4677 nir_opt_dce(b
->shader
);
4679 /* Unparent the shader from the vtn_builder before we delete the builder */
4680 ralloc_steal(NULL
, b
->shader
);