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 memcpy(load
->value
, constant
->values
[0],
240 sizeof(nir_const_value
) * load
->def
.num_components
);
242 nir_instr_insert_before_cf_list(&b
->nb
.impl
->body
, &load
->instr
);
243 val
->def
= &load
->def
;
245 assert(glsl_type_is_matrix(type
));
246 unsigned rows
= glsl_get_vector_elements(val
->type
);
247 unsigned columns
= glsl_get_matrix_columns(val
->type
);
248 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, columns
);
250 for (unsigned i
= 0; i
< columns
; i
++) {
251 struct vtn_ssa_value
*col_val
= rzalloc(b
, struct vtn_ssa_value
);
252 col_val
->type
= glsl_get_column_type(val
->type
);
253 nir_load_const_instr
*load
=
254 nir_load_const_instr_create(b
->shader
, rows
, bit_size
);
256 memcpy(load
->value
, constant
->values
[i
],
257 sizeof(nir_const_value
) * load
->def
.num_components
);
259 nir_instr_insert_before_cf_list(&b
->nb
.impl
->body
, &load
->instr
);
260 col_val
->def
= &load
->def
;
262 val
->elems
[i
] = col_val
;
268 case GLSL_TYPE_ARRAY
: {
269 unsigned elems
= glsl_get_length(val
->type
);
270 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
271 const struct glsl_type
*elem_type
= glsl_get_array_element(val
->type
);
272 for (unsigned i
= 0; i
< elems
; i
++)
273 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
278 case GLSL_TYPE_STRUCT
: {
279 unsigned elems
= glsl_get_length(val
->type
);
280 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
281 for (unsigned i
= 0; i
< elems
; i
++) {
282 const struct glsl_type
*elem_type
=
283 glsl_get_struct_field(val
->type
, i
);
284 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
291 vtn_fail("bad constant type");
297 struct vtn_ssa_value
*
298 vtn_ssa_value(struct vtn_builder
*b
, uint32_t value_id
)
300 struct vtn_value
*val
= vtn_untyped_value(b
, value_id
);
301 switch (val
->value_type
) {
302 case vtn_value_type_undef
:
303 return vtn_undef_ssa_value(b
, val
->type
->type
);
305 case vtn_value_type_constant
:
306 return vtn_const_ssa_value(b
, val
->constant
, val
->type
->type
);
308 case vtn_value_type_ssa
:
311 case vtn_value_type_pointer
:
312 vtn_assert(val
->pointer
->ptr_type
&& val
->pointer
->ptr_type
->type
);
313 struct vtn_ssa_value
*ssa
=
314 vtn_create_ssa_value(b
, val
->pointer
->ptr_type
->type
);
315 ssa
->def
= vtn_pointer_to_ssa(b
, val
->pointer
);
319 vtn_fail("Invalid type for an SSA value");
324 vtn_string_literal(struct vtn_builder
*b
, const uint32_t *words
,
325 unsigned word_count
, unsigned *words_used
)
327 char *dup
= ralloc_strndup(b
, (char *)words
, word_count
* sizeof(*words
));
329 /* Ammount of space taken by the string (including the null) */
330 unsigned len
= strlen(dup
) + 1;
331 *words_used
= DIV_ROUND_UP(len
, sizeof(*words
));
337 vtn_foreach_instruction(struct vtn_builder
*b
, const uint32_t *start
,
338 const uint32_t *end
, vtn_instruction_handler handler
)
344 const uint32_t *w
= start
;
346 SpvOp opcode
= w
[0] & SpvOpCodeMask
;
347 unsigned count
= w
[0] >> SpvWordCountShift
;
348 vtn_assert(count
>= 1 && w
+ count
<= end
);
350 b
->spirv_offset
= (uint8_t *)w
- (uint8_t *)b
->spirv
;
354 break; /* Do nothing */
357 b
->file
= vtn_value(b
, w
[1], vtn_value_type_string
)->str
;
369 if (!handler(b
, opcode
, w
, count
))
387 vtn_handle_extension(struct vtn_builder
*b
, SpvOp opcode
,
388 const uint32_t *w
, unsigned count
)
390 const char *ext
= (const char *)&w
[2];
392 case SpvOpExtInstImport
: {
393 struct vtn_value
*val
= vtn_push_value(b
, w
[1], vtn_value_type_extension
);
394 if (strcmp(ext
, "GLSL.std.450") == 0) {
395 val
->ext_handler
= vtn_handle_glsl450_instruction
;
396 } else if ((strcmp(ext
, "SPV_AMD_gcn_shader") == 0)
397 && (b
->options
&& b
->options
->caps
.gcn_shader
)) {
398 val
->ext_handler
= vtn_handle_amd_gcn_shader_instruction
;
399 } else if ((strcmp(ext
, "SPV_AMD_shader_trinary_minmax") == 0)
400 && (b
->options
&& b
->options
->caps
.trinary_minmax
)) {
401 val
->ext_handler
= vtn_handle_amd_shader_trinary_minmax_instruction
;
402 } else if (strcmp(ext
, "OpenCL.std") == 0) {
403 val
->ext_handler
= vtn_handle_opencl_instruction
;
405 vtn_fail("Unsupported extension: %s", ext
);
411 struct vtn_value
*val
= vtn_value(b
, w
[3], vtn_value_type_extension
);
412 bool handled
= val
->ext_handler(b
, w
[4], w
, count
);
418 vtn_fail_with_opcode("Unhandled opcode", opcode
);
423 _foreach_decoration_helper(struct vtn_builder
*b
,
424 struct vtn_value
*base_value
,
426 struct vtn_value
*value
,
427 vtn_decoration_foreach_cb cb
, void *data
)
429 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
431 if (dec
->scope
== VTN_DEC_DECORATION
) {
432 member
= parent_member
;
433 } else if (dec
->scope
>= VTN_DEC_STRUCT_MEMBER0
) {
434 vtn_fail_if(value
->value_type
!= vtn_value_type_type
||
435 value
->type
->base_type
!= vtn_base_type_struct
,
436 "OpMemberDecorate and OpGroupMemberDecorate are only "
437 "allowed on OpTypeStruct");
438 /* This means we haven't recursed yet */
439 assert(value
== base_value
);
441 member
= dec
->scope
- VTN_DEC_STRUCT_MEMBER0
;
443 vtn_fail_if(member
>= base_value
->type
->length
,
444 "OpMemberDecorate specifies member %d but the "
445 "OpTypeStruct has only %u members",
446 member
, base_value
->type
->length
);
448 /* Not a decoration */
449 assert(dec
->scope
== VTN_DEC_EXECUTION_MODE
);
454 assert(dec
->group
->value_type
== vtn_value_type_decoration_group
);
455 _foreach_decoration_helper(b
, base_value
, member
, dec
->group
,
458 cb(b
, base_value
, member
, dec
, data
);
463 /** Iterates (recursively if needed) over all of the decorations on a value
465 * This function iterates over all of the decorations applied to a given
466 * value. If it encounters a decoration group, it recurses into the group
467 * and iterates over all of those decorations as well.
470 vtn_foreach_decoration(struct vtn_builder
*b
, struct vtn_value
*value
,
471 vtn_decoration_foreach_cb cb
, void *data
)
473 _foreach_decoration_helper(b
, value
, -1, value
, cb
, data
);
477 vtn_foreach_execution_mode(struct vtn_builder
*b
, struct vtn_value
*value
,
478 vtn_execution_mode_foreach_cb cb
, void *data
)
480 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
481 if (dec
->scope
!= VTN_DEC_EXECUTION_MODE
)
484 assert(dec
->group
== NULL
);
485 cb(b
, value
, dec
, data
);
490 vtn_handle_decoration(struct vtn_builder
*b
, SpvOp opcode
,
491 const uint32_t *w
, unsigned count
)
493 const uint32_t *w_end
= w
+ count
;
494 const uint32_t target
= w
[1];
498 case SpvOpDecorationGroup
:
499 vtn_push_value(b
, target
, vtn_value_type_decoration_group
);
503 case SpvOpDecorateId
:
504 case SpvOpMemberDecorate
:
505 case SpvOpDecorateStringGOOGLE
:
506 case SpvOpMemberDecorateStringGOOGLE
:
507 case SpvOpExecutionMode
:
508 case SpvOpExecutionModeId
: {
509 struct vtn_value
*val
= vtn_untyped_value(b
, target
);
511 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
514 case SpvOpDecorateId
:
515 case SpvOpDecorateStringGOOGLE
:
516 dec
->scope
= VTN_DEC_DECORATION
;
518 case SpvOpMemberDecorate
:
519 case SpvOpMemberDecorateStringGOOGLE
:
520 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(w
++);
521 vtn_fail_if(dec
->scope
< VTN_DEC_STRUCT_MEMBER0
, /* overflow */
522 "Member argument of OpMemberDecorate too large");
524 case SpvOpExecutionMode
:
525 case SpvOpExecutionModeId
:
526 dec
->scope
= VTN_DEC_EXECUTION_MODE
;
529 unreachable("Invalid decoration opcode");
531 dec
->decoration
= *(w
++);
534 /* Link into the list */
535 dec
->next
= val
->decoration
;
536 val
->decoration
= dec
;
540 case SpvOpGroupMemberDecorate
:
541 case SpvOpGroupDecorate
: {
542 struct vtn_value
*group
=
543 vtn_value(b
, target
, vtn_value_type_decoration_group
);
545 for (; w
< w_end
; w
++) {
546 struct vtn_value
*val
= vtn_untyped_value(b
, *w
);
547 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
550 if (opcode
== SpvOpGroupDecorate
) {
551 dec
->scope
= VTN_DEC_DECORATION
;
553 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(++w
);
554 vtn_fail_if(dec
->scope
< 0, /* Check for overflow */
555 "Member argument of OpGroupMemberDecorate too large");
558 /* Link into the list */
559 dec
->next
= val
->decoration
;
560 val
->decoration
= dec
;
566 unreachable("Unhandled opcode");
570 struct member_decoration_ctx
{
572 struct glsl_struct_field
*fields
;
573 struct vtn_type
*type
;
577 * Returns true if the given type contains a struct decorated Block or
581 vtn_type_contains_block(struct vtn_builder
*b
, struct vtn_type
*type
)
583 switch (type
->base_type
) {
584 case vtn_base_type_array
:
585 return vtn_type_contains_block(b
, type
->array_element
);
586 case vtn_base_type_struct
:
587 if (type
->block
|| type
->buffer_block
)
589 for (unsigned i
= 0; i
< type
->length
; i
++) {
590 if (vtn_type_contains_block(b
, type
->members
[i
]))
599 /** Returns true if two types are "compatible", i.e. you can do an OpLoad,
600 * OpStore, or OpCopyMemory between them without breaking anything.
601 * Technically, the SPIR-V rules require the exact same type ID but this lets
602 * us internally be a bit looser.
605 vtn_types_compatible(struct vtn_builder
*b
,
606 struct vtn_type
*t1
, struct vtn_type
*t2
)
608 if (t1
->id
== t2
->id
)
611 if (t1
->base_type
!= t2
->base_type
)
614 switch (t1
->base_type
) {
615 case vtn_base_type_void
:
616 case vtn_base_type_scalar
:
617 case vtn_base_type_vector
:
618 case vtn_base_type_matrix
:
619 case vtn_base_type_image
:
620 case vtn_base_type_sampler
:
621 case vtn_base_type_sampled_image
:
622 return t1
->type
== t2
->type
;
624 case vtn_base_type_array
:
625 return t1
->length
== t2
->length
&&
626 vtn_types_compatible(b
, t1
->array_element
, t2
->array_element
);
628 case vtn_base_type_pointer
:
629 return vtn_types_compatible(b
, t1
->deref
, t2
->deref
);
631 case vtn_base_type_struct
:
632 if (t1
->length
!= t2
->length
)
635 for (unsigned i
= 0; i
< t1
->length
; i
++) {
636 if (!vtn_types_compatible(b
, t1
->members
[i
], t2
->members
[i
]))
641 case vtn_base_type_function
:
642 /* This case shouldn't get hit since you can't copy around function
643 * types. Just require them to be identical.
648 vtn_fail("Invalid base type");
652 vtn_type_without_array(struct vtn_type
*type
)
654 while (type
->base_type
== vtn_base_type_array
)
655 type
= type
->array_element
;
659 /* does a shallow copy of a vtn_type */
661 static struct vtn_type
*
662 vtn_type_copy(struct vtn_builder
*b
, struct vtn_type
*src
)
664 struct vtn_type
*dest
= ralloc(b
, struct vtn_type
);
667 switch (src
->base_type
) {
668 case vtn_base_type_void
:
669 case vtn_base_type_scalar
:
670 case vtn_base_type_vector
:
671 case vtn_base_type_matrix
:
672 case vtn_base_type_array
:
673 case vtn_base_type_pointer
:
674 case vtn_base_type_image
:
675 case vtn_base_type_sampler
:
676 case vtn_base_type_sampled_image
:
677 /* Nothing more to do */
680 case vtn_base_type_struct
:
681 dest
->members
= ralloc_array(b
, struct vtn_type
*, src
->length
);
682 memcpy(dest
->members
, src
->members
,
683 src
->length
* sizeof(src
->members
[0]));
685 dest
->offsets
= ralloc_array(b
, unsigned, src
->length
);
686 memcpy(dest
->offsets
, src
->offsets
,
687 src
->length
* sizeof(src
->offsets
[0]));
690 case vtn_base_type_function
:
691 dest
->params
= ralloc_array(b
, struct vtn_type
*, src
->length
);
692 memcpy(dest
->params
, src
->params
, src
->length
* sizeof(src
->params
[0]));
699 static struct vtn_type
*
700 mutable_matrix_member(struct vtn_builder
*b
, struct vtn_type
*type
, int member
)
702 type
->members
[member
] = vtn_type_copy(b
, type
->members
[member
]);
703 type
= type
->members
[member
];
705 /* We may have an array of matrices.... Oh, joy! */
706 while (glsl_type_is_array(type
->type
)) {
707 type
->array_element
= vtn_type_copy(b
, type
->array_element
);
708 type
= type
->array_element
;
711 vtn_assert(glsl_type_is_matrix(type
->type
));
717 vtn_handle_access_qualifier(struct vtn_builder
*b
, struct vtn_type
*type
,
718 int member
, enum gl_access_qualifier access
)
720 type
->members
[member
] = vtn_type_copy(b
, type
->members
[member
]);
721 type
= type
->members
[member
];
723 type
->access
|= access
;
727 array_stride_decoration_cb(struct vtn_builder
*b
,
728 struct vtn_value
*val
, int member
,
729 const struct vtn_decoration
*dec
, void *void_ctx
)
731 struct vtn_type
*type
= val
->type
;
733 if (dec
->decoration
== SpvDecorationArrayStride
) {
734 vtn_fail_if(dec
->operands
[0] == 0, "ArrayStride must be non-zero");
735 type
->stride
= dec
->operands
[0];
740 struct_member_decoration_cb(struct vtn_builder
*b
,
741 struct vtn_value
*val
, int member
,
742 const struct vtn_decoration
*dec
, void *void_ctx
)
744 struct member_decoration_ctx
*ctx
= void_ctx
;
749 assert(member
< ctx
->num_fields
);
751 switch (dec
->decoration
) {
752 case SpvDecorationRelaxedPrecision
:
753 case SpvDecorationUniform
:
754 break; /* FIXME: Do nothing with this for now. */
755 case SpvDecorationNonWritable
:
756 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_NON_WRITEABLE
);
758 case SpvDecorationNonReadable
:
759 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_NON_READABLE
);
761 case SpvDecorationVolatile
:
762 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_VOLATILE
);
764 case SpvDecorationCoherent
:
765 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_COHERENT
);
767 case SpvDecorationNoPerspective
:
768 ctx
->fields
[member
].interpolation
= INTERP_MODE_NOPERSPECTIVE
;
770 case SpvDecorationFlat
:
771 ctx
->fields
[member
].interpolation
= INTERP_MODE_FLAT
;
773 case SpvDecorationCentroid
:
774 ctx
->fields
[member
].centroid
= true;
776 case SpvDecorationSample
:
777 ctx
->fields
[member
].sample
= true;
779 case SpvDecorationStream
:
780 /* Vulkan only allows one GS stream */
781 vtn_assert(dec
->operands
[0] == 0);
783 case SpvDecorationLocation
:
784 ctx
->fields
[member
].location
= dec
->operands
[0];
786 case SpvDecorationComponent
:
787 break; /* FIXME: What should we do with these? */
788 case SpvDecorationBuiltIn
:
789 ctx
->type
->members
[member
] = vtn_type_copy(b
, ctx
->type
->members
[member
]);
790 ctx
->type
->members
[member
]->is_builtin
= true;
791 ctx
->type
->members
[member
]->builtin
= dec
->operands
[0];
792 ctx
->type
->builtin_block
= true;
794 case SpvDecorationOffset
:
795 ctx
->type
->offsets
[member
] = dec
->operands
[0];
796 ctx
->fields
[member
].offset
= dec
->operands
[0];
798 case SpvDecorationMatrixStride
:
799 /* Handled as a second pass */
801 case SpvDecorationColMajor
:
802 break; /* Nothing to do here. Column-major is the default. */
803 case SpvDecorationRowMajor
:
804 mutable_matrix_member(b
, ctx
->type
, member
)->row_major
= true;
807 case SpvDecorationPatch
:
810 case SpvDecorationSpecId
:
811 case SpvDecorationBlock
:
812 case SpvDecorationBufferBlock
:
813 case SpvDecorationArrayStride
:
814 case SpvDecorationGLSLShared
:
815 case SpvDecorationGLSLPacked
:
816 case SpvDecorationInvariant
:
817 case SpvDecorationRestrict
:
818 case SpvDecorationAliased
:
819 case SpvDecorationConstant
:
820 case SpvDecorationIndex
:
821 case SpvDecorationBinding
:
822 case SpvDecorationDescriptorSet
:
823 case SpvDecorationLinkageAttributes
:
824 case SpvDecorationNoContraction
:
825 case SpvDecorationInputAttachmentIndex
:
826 vtn_warn("Decoration not allowed on struct members: %s",
827 spirv_decoration_to_string(dec
->decoration
));
830 case SpvDecorationXfbBuffer
:
831 case SpvDecorationXfbStride
:
832 vtn_warn("Vulkan does not have transform feedback");
835 case SpvDecorationCPacked
:
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
));
840 ctx
->type
->packed
= true;
843 case SpvDecorationSaturatedConversion
:
844 case SpvDecorationFuncParamAttr
:
845 case SpvDecorationFPRoundingMode
:
846 case SpvDecorationFPFastMathMode
:
847 case SpvDecorationAlignment
:
848 if (b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
) {
849 vtn_warn("Decoration only allowed for CL-style kernels: %s",
850 spirv_decoration_to_string(dec
->decoration
));
854 case SpvDecorationHlslSemanticGOOGLE
:
855 /* HLSL semantic decorations can safely be ignored by the driver. */
859 vtn_fail_with_decoration("Unhandled decoration", dec
->decoration
);
863 /** Chases the array type all the way down to the tail and rewrites the
864 * glsl_types to be based off the tail's glsl_type.
867 vtn_array_type_rewrite_glsl_type(struct vtn_type
*type
)
869 if (type
->base_type
!= vtn_base_type_array
)
872 vtn_array_type_rewrite_glsl_type(type
->array_element
);
874 type
->type
= glsl_array_type(type
->array_element
->type
,
875 type
->length
, type
->stride
);
878 /* Matrix strides are handled as a separate pass because we need to know
879 * whether the matrix is row-major or not first.
882 struct_member_matrix_stride_cb(struct vtn_builder
*b
,
883 struct vtn_value
*val
, int member
,
884 const struct vtn_decoration
*dec
,
887 if (dec
->decoration
!= SpvDecorationMatrixStride
)
890 vtn_fail_if(member
< 0,
891 "The MatrixStride decoration is only allowed on members "
893 vtn_fail_if(dec
->operands
[0] == 0, "MatrixStride must be non-zero");
895 struct member_decoration_ctx
*ctx
= void_ctx
;
897 struct vtn_type
*mat_type
= mutable_matrix_member(b
, ctx
->type
, member
);
898 if (mat_type
->row_major
) {
899 mat_type
->array_element
= vtn_type_copy(b
, mat_type
->array_element
);
900 mat_type
->stride
= mat_type
->array_element
->stride
;
901 mat_type
->array_element
->stride
= dec
->operands
[0];
903 mat_type
->type
= glsl_explicit_matrix_type(mat_type
->type
,
904 dec
->operands
[0], true);
905 mat_type
->array_element
->type
= glsl_get_column_type(mat_type
->type
);
907 vtn_assert(mat_type
->array_element
->stride
> 0);
908 mat_type
->stride
= dec
->operands
[0];
910 mat_type
->type
= glsl_explicit_matrix_type(mat_type
->type
,
911 dec
->operands
[0], false);
914 /* Now that we've replaced the glsl_type with a properly strided matrix
915 * type, rewrite the member type so that it's an array of the proper kind
918 vtn_array_type_rewrite_glsl_type(ctx
->type
->members
[member
]);
919 ctx
->fields
[member
].type
= ctx
->type
->members
[member
]->type
;
923 struct_block_decoration_cb(struct vtn_builder
*b
,
924 struct vtn_value
*val
, int member
,
925 const struct vtn_decoration
*dec
, void *ctx
)
930 struct vtn_type
*type
= val
->type
;
931 if (dec
->decoration
== SpvDecorationBlock
)
933 else if (dec
->decoration
== SpvDecorationBufferBlock
)
934 type
->buffer_block
= true;
938 type_decoration_cb(struct vtn_builder
*b
,
939 struct vtn_value
*val
, int member
,
940 const struct vtn_decoration
*dec
, void *ctx
)
942 struct vtn_type
*type
= val
->type
;
945 /* This should have been handled by OpTypeStruct */
946 assert(val
->type
->base_type
== vtn_base_type_struct
);
947 assert(member
>= 0 && member
< val
->type
->length
);
951 switch (dec
->decoration
) {
952 case SpvDecorationArrayStride
:
953 vtn_assert(type
->base_type
== vtn_base_type_array
||
954 type
->base_type
== vtn_base_type_pointer
);
956 case SpvDecorationBlock
:
957 vtn_assert(type
->base_type
== vtn_base_type_struct
);
958 vtn_assert(type
->block
);
960 case SpvDecorationBufferBlock
:
961 vtn_assert(type
->base_type
== vtn_base_type_struct
);
962 vtn_assert(type
->buffer_block
);
964 case SpvDecorationGLSLShared
:
965 case SpvDecorationGLSLPacked
:
966 /* Ignore these, since we get explicit offsets anyways */
969 case SpvDecorationRowMajor
:
970 case SpvDecorationColMajor
:
971 case SpvDecorationMatrixStride
:
972 case SpvDecorationBuiltIn
:
973 case SpvDecorationNoPerspective
:
974 case SpvDecorationFlat
:
975 case SpvDecorationPatch
:
976 case SpvDecorationCentroid
:
977 case SpvDecorationSample
:
978 case SpvDecorationVolatile
:
979 case SpvDecorationCoherent
:
980 case SpvDecorationNonWritable
:
981 case SpvDecorationNonReadable
:
982 case SpvDecorationUniform
:
983 case SpvDecorationLocation
:
984 case SpvDecorationComponent
:
985 case SpvDecorationOffset
:
986 case SpvDecorationXfbBuffer
:
987 case SpvDecorationXfbStride
:
988 case SpvDecorationHlslSemanticGOOGLE
:
989 vtn_warn("Decoration only allowed for struct members: %s",
990 spirv_decoration_to_string(dec
->decoration
));
993 case SpvDecorationStream
:
994 /* We don't need to do anything here, as stream is filled up when
995 * aplying the decoration to a variable, just check that if it is not a
996 * struct member, it should be a struct.
998 vtn_assert(type
->base_type
== vtn_base_type_struct
);
1001 case SpvDecorationRelaxedPrecision
:
1002 case SpvDecorationSpecId
:
1003 case SpvDecorationInvariant
:
1004 case SpvDecorationRestrict
:
1005 case SpvDecorationAliased
:
1006 case SpvDecorationConstant
:
1007 case SpvDecorationIndex
:
1008 case SpvDecorationBinding
:
1009 case SpvDecorationDescriptorSet
:
1010 case SpvDecorationLinkageAttributes
:
1011 case SpvDecorationNoContraction
:
1012 case SpvDecorationInputAttachmentIndex
:
1013 vtn_warn("Decoration not allowed on types: %s",
1014 spirv_decoration_to_string(dec
->decoration
));
1017 case SpvDecorationCPacked
:
1018 if (b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
)
1019 vtn_warn("Decoration only allowed for CL-style kernels: %s",
1020 spirv_decoration_to_string(dec
->decoration
));
1022 type
->packed
= true;
1025 case SpvDecorationSaturatedConversion
:
1026 case SpvDecorationFuncParamAttr
:
1027 case SpvDecorationFPRoundingMode
:
1028 case SpvDecorationFPFastMathMode
:
1029 case SpvDecorationAlignment
:
1030 vtn_warn("Decoration only allowed for CL-style kernels: %s",
1031 spirv_decoration_to_string(dec
->decoration
));
1035 vtn_fail_with_decoration("Unhandled decoration", dec
->decoration
);
1040 translate_image_format(struct vtn_builder
*b
, SpvImageFormat format
)
1043 case SpvImageFormatUnknown
: return 0; /* GL_NONE */
1044 case SpvImageFormatRgba32f
: return 0x8814; /* GL_RGBA32F */
1045 case SpvImageFormatRgba16f
: return 0x881A; /* GL_RGBA16F */
1046 case SpvImageFormatR32f
: return 0x822E; /* GL_R32F */
1047 case SpvImageFormatRgba8
: return 0x8058; /* GL_RGBA8 */
1048 case SpvImageFormatRgba8Snorm
: return 0x8F97; /* GL_RGBA8_SNORM */
1049 case SpvImageFormatRg32f
: return 0x8230; /* GL_RG32F */
1050 case SpvImageFormatRg16f
: return 0x822F; /* GL_RG16F */
1051 case SpvImageFormatR11fG11fB10f
: return 0x8C3A; /* GL_R11F_G11F_B10F */
1052 case SpvImageFormatR16f
: return 0x822D; /* GL_R16F */
1053 case SpvImageFormatRgba16
: return 0x805B; /* GL_RGBA16 */
1054 case SpvImageFormatRgb10A2
: return 0x8059; /* GL_RGB10_A2 */
1055 case SpvImageFormatRg16
: return 0x822C; /* GL_RG16 */
1056 case SpvImageFormatRg8
: return 0x822B; /* GL_RG8 */
1057 case SpvImageFormatR16
: return 0x822A; /* GL_R16 */
1058 case SpvImageFormatR8
: return 0x8229; /* GL_R8 */
1059 case SpvImageFormatRgba16Snorm
: return 0x8F9B; /* GL_RGBA16_SNORM */
1060 case SpvImageFormatRg16Snorm
: return 0x8F99; /* GL_RG16_SNORM */
1061 case SpvImageFormatRg8Snorm
: return 0x8F95; /* GL_RG8_SNORM */
1062 case SpvImageFormatR16Snorm
: return 0x8F98; /* GL_R16_SNORM */
1063 case SpvImageFormatR8Snorm
: return 0x8F94; /* GL_R8_SNORM */
1064 case SpvImageFormatRgba32i
: return 0x8D82; /* GL_RGBA32I */
1065 case SpvImageFormatRgba16i
: return 0x8D88; /* GL_RGBA16I */
1066 case SpvImageFormatRgba8i
: return 0x8D8E; /* GL_RGBA8I */
1067 case SpvImageFormatR32i
: return 0x8235; /* GL_R32I */
1068 case SpvImageFormatRg32i
: return 0x823B; /* GL_RG32I */
1069 case SpvImageFormatRg16i
: return 0x8239; /* GL_RG16I */
1070 case SpvImageFormatRg8i
: return 0x8237; /* GL_RG8I */
1071 case SpvImageFormatR16i
: return 0x8233; /* GL_R16I */
1072 case SpvImageFormatR8i
: return 0x8231; /* GL_R8I */
1073 case SpvImageFormatRgba32ui
: return 0x8D70; /* GL_RGBA32UI */
1074 case SpvImageFormatRgba16ui
: return 0x8D76; /* GL_RGBA16UI */
1075 case SpvImageFormatRgba8ui
: return 0x8D7C; /* GL_RGBA8UI */
1076 case SpvImageFormatR32ui
: return 0x8236; /* GL_R32UI */
1077 case SpvImageFormatRgb10a2ui
: return 0x906F; /* GL_RGB10_A2UI */
1078 case SpvImageFormatRg32ui
: return 0x823C; /* GL_RG32UI */
1079 case SpvImageFormatRg16ui
: return 0x823A; /* GL_RG16UI */
1080 case SpvImageFormatRg8ui
: return 0x8238; /* GL_RG8UI */
1081 case SpvImageFormatR16ui
: return 0x8234; /* GL_R16UI */
1082 case SpvImageFormatR8ui
: return 0x8232; /* GL_R8UI */
1084 vtn_fail("Invalid image format: %s (%u)",
1085 spirv_imageformat_to_string(format
), format
);
1089 static struct vtn_type
*
1090 vtn_type_layout_std430(struct vtn_builder
*b
, struct vtn_type
*type
,
1091 uint32_t *size_out
, uint32_t *align_out
)
1093 switch (type
->base_type
) {
1094 case vtn_base_type_scalar
: {
1095 uint32_t comp_size
= glsl_type_is_boolean(type
->type
)
1096 ? 4 : glsl_get_bit_size(type
->type
) / 8;
1097 *size_out
= comp_size
;
1098 *align_out
= comp_size
;
1102 case vtn_base_type_vector
: {
1103 uint32_t comp_size
= glsl_type_is_boolean(type
->type
)
1104 ? 4 : glsl_get_bit_size(type
->type
) / 8;
1105 unsigned align_comps
= type
->length
== 3 ? 4 : type
->length
;
1106 *size_out
= comp_size
* type
->length
,
1107 *align_out
= comp_size
* align_comps
;
1111 case vtn_base_type_matrix
:
1112 case vtn_base_type_array
: {
1113 /* We're going to add an array stride */
1114 type
= vtn_type_copy(b
, type
);
1115 uint32_t elem_size
, elem_align
;
1116 type
->array_element
= vtn_type_layout_std430(b
, type
->array_element
,
1117 &elem_size
, &elem_align
);
1118 type
->stride
= vtn_align_u32(elem_size
, elem_align
);
1119 *size_out
= type
->stride
* type
->length
;
1120 *align_out
= elem_align
;
1124 case vtn_base_type_struct
: {
1125 /* We're going to add member offsets */
1126 type
= vtn_type_copy(b
, type
);
1127 uint32_t offset
= 0;
1129 for (unsigned i
= 0; i
< type
->length
; i
++) {
1130 uint32_t mem_size
, mem_align
;
1131 type
->members
[i
] = vtn_type_layout_std430(b
, type
->members
[i
],
1132 &mem_size
, &mem_align
);
1133 offset
= vtn_align_u32(offset
, mem_align
);
1134 type
->offsets
[i
] = offset
;
1136 align
= MAX2(align
, mem_align
);
1144 unreachable("Invalid SPIR-V type for std430");
1149 vtn_handle_type(struct vtn_builder
*b
, SpvOp opcode
,
1150 const uint32_t *w
, unsigned count
)
1152 struct vtn_value
*val
= NULL
;
1154 /* In order to properly handle forward declarations, we have to defer
1155 * allocation for pointer types.
1157 if (opcode
!= SpvOpTypePointer
&& opcode
!= SpvOpTypeForwardPointer
) {
1158 val
= vtn_push_value(b
, w
[1], vtn_value_type_type
);
1159 vtn_fail_if(val
->type
!= NULL
,
1160 "Only pointers can have forward declarations");
1161 val
->type
= rzalloc(b
, struct vtn_type
);
1162 val
->type
->id
= w
[1];
1167 val
->type
->base_type
= vtn_base_type_void
;
1168 val
->type
->type
= glsl_void_type();
1171 val
->type
->base_type
= vtn_base_type_scalar
;
1172 val
->type
->type
= glsl_bool_type();
1173 val
->type
->length
= 1;
1175 case SpvOpTypeInt
: {
1176 int bit_size
= w
[2];
1177 const bool signedness
= w
[3];
1178 val
->type
->base_type
= vtn_base_type_scalar
;
1181 val
->type
->type
= (signedness
? glsl_int64_t_type() : glsl_uint64_t_type());
1184 val
->type
->type
= (signedness
? glsl_int_type() : glsl_uint_type());
1187 val
->type
->type
= (signedness
? glsl_int16_t_type() : glsl_uint16_t_type());
1190 val
->type
->type
= (signedness
? glsl_int8_t_type() : glsl_uint8_t_type());
1193 vtn_fail("Invalid int bit size: %u", bit_size
);
1195 val
->type
->length
= 1;
1199 case SpvOpTypeFloat
: {
1200 int bit_size
= w
[2];
1201 val
->type
->base_type
= vtn_base_type_scalar
;
1204 val
->type
->type
= glsl_float16_t_type();
1207 val
->type
->type
= glsl_float_type();
1210 val
->type
->type
= glsl_double_type();
1213 vtn_fail("Invalid float bit size: %u", bit_size
);
1215 val
->type
->length
= 1;
1219 case SpvOpTypeVector
: {
1220 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1221 unsigned elems
= w
[3];
1223 vtn_fail_if(base
->base_type
!= vtn_base_type_scalar
,
1224 "Base type for OpTypeVector must be a scalar");
1225 vtn_fail_if((elems
< 2 || elems
> 4) && (elems
!= 8) && (elems
!= 16),
1226 "Invalid component count for OpTypeVector");
1228 val
->type
->base_type
= vtn_base_type_vector
;
1229 val
->type
->type
= glsl_vector_type(glsl_get_base_type(base
->type
), elems
);
1230 val
->type
->length
= elems
;
1231 val
->type
->stride
= glsl_type_is_boolean(val
->type
->type
)
1232 ? 4 : glsl_get_bit_size(base
->type
) / 8;
1233 val
->type
->array_element
= base
;
1237 case SpvOpTypeMatrix
: {
1238 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1239 unsigned columns
= w
[3];
1241 vtn_fail_if(base
->base_type
!= vtn_base_type_vector
,
1242 "Base type for OpTypeMatrix must be a vector");
1243 vtn_fail_if(columns
< 2 || columns
> 4,
1244 "Invalid column count for OpTypeMatrix");
1246 val
->type
->base_type
= vtn_base_type_matrix
;
1247 val
->type
->type
= glsl_matrix_type(glsl_get_base_type(base
->type
),
1248 glsl_get_vector_elements(base
->type
),
1250 vtn_fail_if(glsl_type_is_error(val
->type
->type
),
1251 "Unsupported base type for OpTypeMatrix");
1252 assert(!glsl_type_is_error(val
->type
->type
));
1253 val
->type
->length
= columns
;
1254 val
->type
->array_element
= base
;
1255 val
->type
->row_major
= false;
1256 val
->type
->stride
= 0;
1260 case SpvOpTypeRuntimeArray
:
1261 case SpvOpTypeArray
: {
1262 struct vtn_type
*array_element
=
1263 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1265 if (opcode
== SpvOpTypeRuntimeArray
) {
1266 /* A length of 0 is used to denote unsized arrays */
1267 val
->type
->length
= 0;
1270 vtn_value(b
, w
[3], vtn_value_type_constant
)->constant
->values
[0][0].u32
;
1273 val
->type
->base_type
= vtn_base_type_array
;
1274 val
->type
->array_element
= array_element
;
1275 if (b
->shader
->info
.stage
== MESA_SHADER_KERNEL
)
1276 val
->type
->stride
= glsl_get_cl_size(array_element
->type
);
1278 vtn_foreach_decoration(b
, val
, array_stride_decoration_cb
, NULL
);
1279 val
->type
->type
= glsl_array_type(array_element
->type
, val
->type
->length
,
1284 case SpvOpTypeStruct
: {
1285 unsigned num_fields
= count
- 2;
1286 val
->type
->base_type
= vtn_base_type_struct
;
1287 val
->type
->length
= num_fields
;
1288 val
->type
->members
= ralloc_array(b
, struct vtn_type
*, num_fields
);
1289 val
->type
->offsets
= ralloc_array(b
, unsigned, num_fields
);
1290 val
->type
->packed
= false;
1292 NIR_VLA(struct glsl_struct_field
, fields
, count
);
1293 for (unsigned i
= 0; i
< num_fields
; i
++) {
1294 val
->type
->members
[i
] =
1295 vtn_value(b
, w
[i
+ 2], vtn_value_type_type
)->type
;
1296 fields
[i
] = (struct glsl_struct_field
) {
1297 .type
= val
->type
->members
[i
]->type
,
1298 .name
= ralloc_asprintf(b
, "field%d", i
),
1304 if (b
->shader
->info
.stage
== MESA_SHADER_KERNEL
) {
1305 unsigned offset
= 0;
1306 for (unsigned i
= 0; i
< num_fields
; i
++) {
1307 offset
= align(offset
, glsl_get_cl_alignment(fields
[i
].type
));
1308 fields
[i
].offset
= offset
;
1309 offset
+= glsl_get_cl_size(fields
[i
].type
);
1313 struct member_decoration_ctx ctx
= {
1314 .num_fields
= num_fields
,
1319 vtn_foreach_decoration(b
, val
, struct_member_decoration_cb
, &ctx
);
1320 vtn_foreach_decoration(b
, val
, struct_member_matrix_stride_cb
, &ctx
);
1322 vtn_foreach_decoration(b
, val
, struct_block_decoration_cb
, NULL
);
1324 const char *name
= val
->name
;
1326 if (val
->type
->block
|| val
->type
->buffer_block
) {
1327 /* Packing will be ignored since types coming from SPIR-V are
1328 * explicitly laid out.
1330 val
->type
->type
= glsl_interface_type(fields
, num_fields
,
1331 /* packing */ 0, false,
1332 name
? name
: "block");
1334 val
->type
->type
= glsl_struct_type(fields
, num_fields
,
1335 name
? name
: "struct", false);
1340 case SpvOpTypeFunction
: {
1341 val
->type
->base_type
= vtn_base_type_function
;
1342 val
->type
->type
= NULL
;
1344 val
->type
->return_type
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1346 const unsigned num_params
= count
- 3;
1347 val
->type
->length
= num_params
;
1348 val
->type
->params
= ralloc_array(b
, struct vtn_type
*, num_params
);
1349 for (unsigned i
= 0; i
< count
- 3; i
++) {
1350 val
->type
->params
[i
] =
1351 vtn_value(b
, w
[i
+ 3], vtn_value_type_type
)->type
;
1356 case SpvOpTypePointer
:
1357 case SpvOpTypeForwardPointer
: {
1358 /* We can't blindly push the value because it might be a forward
1361 val
= vtn_untyped_value(b
, w
[1]);
1363 SpvStorageClass storage_class
= w
[2];
1365 if (val
->value_type
== vtn_value_type_invalid
) {
1366 val
->value_type
= vtn_value_type_type
;
1367 val
->type
= rzalloc(b
, struct vtn_type
);
1368 val
->type
->id
= w
[1];
1369 val
->type
->base_type
= vtn_base_type_pointer
;
1370 val
->type
->storage_class
= storage_class
;
1372 /* These can actually be stored to nir_variables and used as SSA
1373 * values so they need a real glsl_type.
1375 enum vtn_variable_mode mode
= vtn_storage_class_to_mode(
1376 b
, storage_class
, NULL
, NULL
);
1377 val
->type
->type
= nir_address_format_to_glsl_type(
1378 vtn_mode_to_address_format(b
, mode
));
1380 vtn_fail_if(val
->type
->storage_class
!= storage_class
,
1381 "The storage classes of an OpTypePointer and any "
1382 "OpTypeForwardPointers that provide forward "
1383 "declarations of it must match.");
1386 if (opcode
== SpvOpTypePointer
) {
1387 vtn_fail_if(val
->type
->deref
!= NULL
,
1388 "While OpTypeForwardPointer can be used to provide a "
1389 "forward declaration of a pointer, OpTypePointer can "
1390 "only be used once for a given id.");
1392 val
->type
->deref
= vtn_value(b
, w
[3], vtn_value_type_type
)->type
;
1394 vtn_foreach_decoration(b
, val
, array_stride_decoration_cb
, NULL
);
1396 if (b
->physical_ptrs
) {
1397 switch (storage_class
) {
1398 case SpvStorageClassFunction
:
1399 case SpvStorageClassWorkgroup
:
1400 case SpvStorageClassCrossWorkgroup
:
1401 val
->type
->stride
= align(glsl_get_cl_size(val
->type
->deref
->type
),
1402 glsl_get_cl_alignment(val
->type
->deref
->type
));
1409 if (storage_class
== SpvStorageClassWorkgroup
&&
1410 b
->options
->lower_workgroup_access_to_offsets
) {
1411 uint32_t size
, align
;
1412 val
->type
->deref
= vtn_type_layout_std430(b
, val
->type
->deref
,
1414 val
->type
->length
= size
;
1415 val
->type
->align
= align
;
1421 case SpvOpTypeImage
: {
1422 val
->type
->base_type
= vtn_base_type_image
;
1424 const struct vtn_type
*sampled_type
=
1425 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1427 vtn_fail_if(sampled_type
->base_type
!= vtn_base_type_scalar
||
1428 glsl_get_bit_size(sampled_type
->type
) != 32,
1429 "Sampled type of OpTypeImage must be a 32-bit scalar");
1431 enum glsl_sampler_dim dim
;
1432 switch ((SpvDim
)w
[3]) {
1433 case SpvDim1D
: dim
= GLSL_SAMPLER_DIM_1D
; break;
1434 case SpvDim2D
: dim
= GLSL_SAMPLER_DIM_2D
; break;
1435 case SpvDim3D
: dim
= GLSL_SAMPLER_DIM_3D
; break;
1436 case SpvDimCube
: dim
= GLSL_SAMPLER_DIM_CUBE
; break;
1437 case SpvDimRect
: dim
= GLSL_SAMPLER_DIM_RECT
; break;
1438 case SpvDimBuffer
: dim
= GLSL_SAMPLER_DIM_BUF
; break;
1439 case SpvDimSubpassData
: dim
= GLSL_SAMPLER_DIM_SUBPASS
; break;
1441 vtn_fail("Invalid SPIR-V image dimensionality: %s (%u)",
1442 spirv_dim_to_string((SpvDim
)w
[3]), w
[3]);
1445 /* w[4]: as per Vulkan spec "Validation Rules within a Module",
1446 * The “Depth” operand of OpTypeImage is ignored.
1448 bool is_array
= w
[5];
1449 bool multisampled
= w
[6];
1450 unsigned sampled
= w
[7];
1451 SpvImageFormat format
= w
[8];
1454 val
->type
->access_qualifier
= w
[9];
1456 val
->type
->access_qualifier
= SpvAccessQualifierReadWrite
;
1459 if (dim
== GLSL_SAMPLER_DIM_2D
)
1460 dim
= GLSL_SAMPLER_DIM_MS
;
1461 else if (dim
== GLSL_SAMPLER_DIM_SUBPASS
)
1462 dim
= GLSL_SAMPLER_DIM_SUBPASS_MS
;
1464 vtn_fail("Unsupported multisampled image type");
1467 val
->type
->image_format
= translate_image_format(b
, format
);
1469 enum glsl_base_type sampled_base_type
=
1470 glsl_get_base_type(sampled_type
->type
);
1472 val
->type
->sampled
= true;
1473 val
->type
->type
= glsl_sampler_type(dim
, false, is_array
,
1475 } else if (sampled
== 2) {
1476 val
->type
->sampled
= false;
1477 val
->type
->type
= glsl_image_type(dim
, is_array
, sampled_base_type
);
1479 vtn_fail("We need to know if the image will be sampled");
1484 case SpvOpTypeSampledImage
:
1485 val
->type
->base_type
= vtn_base_type_sampled_image
;
1486 val
->type
->image
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1487 val
->type
->type
= val
->type
->image
->type
;
1490 case SpvOpTypeSampler
:
1491 /* The actual sampler type here doesn't really matter. It gets
1492 * thrown away the moment you combine it with an image. What really
1493 * matters is that it's a sampler type as opposed to an integer type
1494 * so the backend knows what to do.
1496 val
->type
->base_type
= vtn_base_type_sampler
;
1497 val
->type
->type
= glsl_bare_sampler_type();
1500 case SpvOpTypeOpaque
:
1501 case SpvOpTypeEvent
:
1502 case SpvOpTypeDeviceEvent
:
1503 case SpvOpTypeReserveId
:
1504 case SpvOpTypeQueue
:
1507 vtn_fail_with_opcode("Unhandled opcode", opcode
);
1510 vtn_foreach_decoration(b
, val
, type_decoration_cb
, NULL
);
1512 if (val
->type
->base_type
== vtn_base_type_struct
&&
1513 (val
->type
->block
|| val
->type
->buffer_block
)) {
1514 for (unsigned i
= 0; i
< val
->type
->length
; i
++) {
1515 vtn_fail_if(vtn_type_contains_block(b
, val
->type
->members
[i
]),
1516 "Block and BufferBlock decorations cannot decorate a "
1517 "structure type that is nested at any level inside "
1518 "another structure type decorated with Block or "
1524 static nir_constant
*
1525 vtn_null_constant(struct vtn_builder
*b
, struct vtn_type
*type
)
1527 nir_constant
*c
= rzalloc(b
, nir_constant
);
1529 switch (type
->base_type
) {
1530 case vtn_base_type_scalar
:
1531 case vtn_base_type_vector
:
1532 /* Nothing to do here. It's already initialized to zero */
1535 case vtn_base_type_pointer
:
1536 case vtn_base_type_void
:
1537 case vtn_base_type_image
:
1538 case vtn_base_type_sampler
:
1539 case vtn_base_type_sampled_image
:
1540 case vtn_base_type_function
:
1541 /* For pointers and other things, we have to return something but it
1542 * doesn't matter what.
1546 case vtn_base_type_matrix
:
1547 case vtn_base_type_array
:
1548 vtn_assert(type
->length
> 0);
1549 c
->num_elements
= type
->length
;
1550 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1552 c
->elements
[0] = vtn_null_constant(b
, type
->array_element
);
1553 for (unsigned i
= 1; i
< c
->num_elements
; i
++)
1554 c
->elements
[i
] = c
->elements
[0];
1557 case vtn_base_type_struct
:
1558 c
->num_elements
= type
->length
;
1559 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1560 for (unsigned i
= 0; i
< c
->num_elements
; i
++)
1561 c
->elements
[i
] = vtn_null_constant(b
, type
->members
[i
]);
1565 vtn_fail("Invalid type for null constant");
1572 spec_constant_decoration_cb(struct vtn_builder
*b
, struct vtn_value
*v
,
1573 int member
, const struct vtn_decoration
*dec
,
1576 vtn_assert(member
== -1);
1577 if (dec
->decoration
!= SpvDecorationSpecId
)
1580 struct spec_constant_value
*const_value
= data
;
1582 for (unsigned i
= 0; i
< b
->num_specializations
; i
++) {
1583 if (b
->specializations
[i
].id
== dec
->operands
[0]) {
1584 if (const_value
->is_double
)
1585 const_value
->data64
= b
->specializations
[i
].data64
;
1587 const_value
->data32
= b
->specializations
[i
].data32
;
1594 get_specialization(struct vtn_builder
*b
, struct vtn_value
*val
,
1595 uint32_t const_value
)
1597 struct spec_constant_value data
;
1598 data
.is_double
= false;
1599 data
.data32
= const_value
;
1600 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1605 get_specialization64(struct vtn_builder
*b
, struct vtn_value
*val
,
1606 uint64_t const_value
)
1608 struct spec_constant_value data
;
1609 data
.is_double
= true;
1610 data
.data64
= const_value
;
1611 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1616 handle_workgroup_size_decoration_cb(struct vtn_builder
*b
,
1617 struct vtn_value
*val
,
1619 const struct vtn_decoration
*dec
,
1622 vtn_assert(member
== -1);
1623 if (dec
->decoration
!= SpvDecorationBuiltIn
||
1624 dec
->operands
[0] != SpvBuiltInWorkgroupSize
)
1627 vtn_assert(val
->type
->type
== glsl_vector_type(GLSL_TYPE_UINT
, 3));
1628 b
->workgroup_size_builtin
= val
;
1632 vtn_handle_constant(struct vtn_builder
*b
, SpvOp opcode
,
1633 const uint32_t *w
, unsigned count
)
1635 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_constant
);
1636 val
->constant
= rzalloc(b
, nir_constant
);
1638 case SpvOpConstantTrue
:
1639 case SpvOpConstantFalse
:
1640 case SpvOpSpecConstantTrue
:
1641 case SpvOpSpecConstantFalse
: {
1642 vtn_fail_if(val
->type
->type
!= glsl_bool_type(),
1643 "Result type of %s must be OpTypeBool",
1644 spirv_op_to_string(opcode
));
1646 uint32_t int_val
= (opcode
== SpvOpConstantTrue
||
1647 opcode
== SpvOpSpecConstantTrue
);
1649 if (opcode
== SpvOpSpecConstantTrue
||
1650 opcode
== SpvOpSpecConstantFalse
)
1651 int_val
= get_specialization(b
, val
, int_val
);
1653 val
->constant
->values
[0][0].b
= int_val
!= 0;
1657 case SpvOpConstant
: {
1658 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1659 "Result type of %s must be a scalar",
1660 spirv_op_to_string(opcode
));
1661 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1664 val
->constant
->values
[0][0].u64
= vtn_u64_literal(&w
[3]);
1667 val
->constant
->values
[0][0].u32
= w
[3];
1670 val
->constant
->values
[0][0].u16
= w
[3];
1673 val
->constant
->values
[0][0].u8
= w
[3];
1676 vtn_fail("Unsupported SpvOpConstant bit size: %u", bit_size
);
1681 case SpvOpSpecConstant
: {
1682 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1683 "Result type of %s must be a scalar",
1684 spirv_op_to_string(opcode
));
1685 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1688 val
->constant
->values
[0][0].u64
=
1689 get_specialization64(b
, val
, vtn_u64_literal(&w
[3]));
1692 val
->constant
->values
[0][0].u32
= get_specialization(b
, val
, w
[3]);
1695 val
->constant
->values
[0][0].u16
= get_specialization(b
, val
, w
[3]);
1698 val
->constant
->values
[0][0].u8
= get_specialization(b
, val
, w
[3]);
1701 vtn_fail("Unsupported SpvOpSpecConstant bit size");
1706 case SpvOpSpecConstantComposite
:
1707 case SpvOpConstantComposite
: {
1708 unsigned elem_count
= count
- 3;
1709 vtn_fail_if(elem_count
!= val
->type
->length
,
1710 "%s has %u constituents, expected %u",
1711 spirv_op_to_string(opcode
), elem_count
, val
->type
->length
);
1713 nir_constant
**elems
= ralloc_array(b
, nir_constant
*, elem_count
);
1714 for (unsigned i
= 0; i
< elem_count
; i
++) {
1715 struct vtn_value
*val
= vtn_untyped_value(b
, w
[i
+ 3]);
1717 if (val
->value_type
== vtn_value_type_constant
) {
1718 elems
[i
] = val
->constant
;
1720 vtn_fail_if(val
->value_type
!= vtn_value_type_undef
,
1721 "only constants or undefs allowed for "
1722 "SpvOpConstantComposite");
1723 /* to make it easier, just insert a NULL constant for now */
1724 elems
[i
] = vtn_null_constant(b
, val
->type
);
1728 switch (val
->type
->base_type
) {
1729 case vtn_base_type_vector
: {
1730 assert(glsl_type_is_vector(val
->type
->type
));
1731 for (unsigned i
= 0; i
< elem_count
; i
++)
1732 val
->constant
->values
[0][i
] = elems
[i
]->values
[0][0];
1736 case vtn_base_type_matrix
:
1737 assert(glsl_type_is_matrix(val
->type
->type
));
1738 for (unsigned i
= 0; i
< elem_count
; i
++) {
1739 unsigned components
=
1740 glsl_get_components(glsl_get_column_type(val
->type
->type
));
1741 memcpy(val
->constant
->values
[i
], elems
[i
]->values
,
1742 sizeof(nir_const_value
) * components
);
1746 case vtn_base_type_struct
:
1747 case vtn_base_type_array
:
1748 ralloc_steal(val
->constant
, elems
);
1749 val
->constant
->num_elements
= elem_count
;
1750 val
->constant
->elements
= elems
;
1754 vtn_fail("Result type of %s must be a composite type",
1755 spirv_op_to_string(opcode
));
1760 case SpvOpSpecConstantOp
: {
1761 SpvOp opcode
= get_specialization(b
, val
, w
[3]);
1763 case SpvOpVectorShuffle
: {
1764 struct vtn_value
*v0
= &b
->values
[w
[4]];
1765 struct vtn_value
*v1
= &b
->values
[w
[5]];
1767 vtn_assert(v0
->value_type
== vtn_value_type_constant
||
1768 v0
->value_type
== vtn_value_type_undef
);
1769 vtn_assert(v1
->value_type
== vtn_value_type_constant
||
1770 v1
->value_type
== vtn_value_type_undef
);
1772 unsigned len0
= glsl_get_vector_elements(v0
->type
->type
);
1773 unsigned len1
= glsl_get_vector_elements(v1
->type
->type
);
1775 vtn_assert(len0
+ len1
< 16);
1777 unsigned bit_size
= glsl_get_bit_size(val
->type
->type
);
1778 unsigned bit_size0
= glsl_get_bit_size(v0
->type
->type
);
1779 unsigned bit_size1
= glsl_get_bit_size(v1
->type
->type
);
1781 vtn_assert(bit_size
== bit_size0
&& bit_size
== bit_size1
);
1782 (void)bit_size0
; (void)bit_size1
;
1784 if (bit_size
== 64) {
1786 if (v0
->value_type
== vtn_value_type_constant
) {
1787 for (unsigned i
= 0; i
< len0
; i
++)
1788 u64
[i
] = v0
->constant
->values
[0][i
].u64
;
1790 if (v1
->value_type
== vtn_value_type_constant
) {
1791 for (unsigned i
= 0; i
< len1
; i
++)
1792 u64
[len0
+ i
] = v1
->constant
->values
[0][i
].u64
;
1795 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1796 uint32_t comp
= w
[i
+ 6];
1797 /* If component is not used, set the value to a known constant
1798 * to detect if it is wrongly used.
1800 if (comp
== (uint32_t)-1)
1801 val
->constant
->values
[0][j
].u64
= 0xdeadbeefdeadbeef;
1803 val
->constant
->values
[0][j
].u64
= u64
[comp
];
1806 /* This is for both 32-bit and 16-bit values */
1808 if (v0
->value_type
== vtn_value_type_constant
) {
1809 for (unsigned i
= 0; i
< len0
; i
++)
1810 u32
[i
] = v0
->constant
->values
[0][i
].u32
;
1812 if (v1
->value_type
== vtn_value_type_constant
) {
1813 for (unsigned i
= 0; i
< len1
; i
++)
1814 u32
[len0
+ i
] = v1
->constant
->values
[0][i
].u32
;
1817 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1818 uint32_t comp
= w
[i
+ 6];
1819 /* If component is not used, set the value to a known constant
1820 * to detect if it is wrongly used.
1822 if (comp
== (uint32_t)-1)
1823 val
->constant
->values
[0][j
].u32
= 0xdeadbeef;
1825 val
->constant
->values
[0][j
].u32
= u32
[comp
];
1831 case SpvOpCompositeExtract
:
1832 case SpvOpCompositeInsert
: {
1833 struct vtn_value
*comp
;
1834 unsigned deref_start
;
1835 struct nir_constant
**c
;
1836 if (opcode
== SpvOpCompositeExtract
) {
1837 comp
= vtn_value(b
, w
[4], vtn_value_type_constant
);
1839 c
= &comp
->constant
;
1841 comp
= vtn_value(b
, w
[5], vtn_value_type_constant
);
1843 val
->constant
= nir_constant_clone(comp
->constant
,
1850 const struct vtn_type
*type
= comp
->type
;
1851 for (unsigned i
= deref_start
; i
< count
; i
++) {
1852 vtn_fail_if(w
[i
] > type
->length
,
1853 "%uth index of %s is %u but the type has only "
1854 "%u elements", i
- deref_start
,
1855 spirv_op_to_string(opcode
), w
[i
], type
->length
);
1857 switch (type
->base_type
) {
1858 case vtn_base_type_vector
:
1860 type
= type
->array_element
;
1863 case vtn_base_type_matrix
:
1864 assert(col
== 0 && elem
== -1);
1867 type
= type
->array_element
;
1870 case vtn_base_type_array
:
1871 c
= &(*c
)->elements
[w
[i
]];
1872 type
= type
->array_element
;
1875 case vtn_base_type_struct
:
1876 c
= &(*c
)->elements
[w
[i
]];
1877 type
= type
->members
[w
[i
]];
1881 vtn_fail("%s must only index into composite types",
1882 spirv_op_to_string(opcode
));
1886 if (opcode
== SpvOpCompositeExtract
) {
1890 unsigned num_components
= type
->length
;
1891 for (unsigned i
= 0; i
< num_components
; i
++)
1892 val
->constant
->values
[0][i
] = (*c
)->values
[col
][elem
+ i
];
1895 struct vtn_value
*insert
=
1896 vtn_value(b
, w
[4], vtn_value_type_constant
);
1897 vtn_assert(insert
->type
== type
);
1899 *c
= insert
->constant
;
1901 unsigned num_components
= type
->length
;
1902 for (unsigned i
= 0; i
< num_components
; i
++)
1903 (*c
)->values
[col
][elem
+ i
] = insert
->constant
->values
[0][i
];
1911 nir_alu_type dst_alu_type
= nir_get_nir_type_for_glsl_type(val
->type
->type
);
1912 nir_alu_type src_alu_type
= dst_alu_type
;
1913 unsigned num_components
= glsl_get_vector_elements(val
->type
->type
);
1916 vtn_assert(count
<= 7);
1921 /* We have a source in a conversion */
1923 nir_get_nir_type_for_glsl_type(
1924 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1925 /* We use the bitsize of the conversion source to evaluate the opcode later */
1926 bit_size
= glsl_get_bit_size(
1927 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1930 bit_size
= glsl_get_bit_size(val
->type
->type
);
1933 nir_op op
= vtn_nir_alu_op_for_spirv_opcode(b
, opcode
, &swap
,
1934 nir_alu_type_get_type_size(src_alu_type
),
1935 nir_alu_type_get_type_size(dst_alu_type
));
1936 nir_const_value src
[3][NIR_MAX_VEC_COMPONENTS
];
1938 for (unsigned i
= 0; i
< count
- 4; i
++) {
1939 struct vtn_value
*src_val
=
1940 vtn_value(b
, w
[4 + i
], vtn_value_type_constant
);
1942 /* If this is an unsized source, pull the bit size from the
1943 * source; otherwise, we'll use the bit size from the destination.
1945 if (!nir_alu_type_get_type_size(nir_op_infos
[op
].input_types
[i
]))
1946 bit_size
= glsl_get_bit_size(src_val
->type
->type
);
1948 unsigned j
= swap
? 1 - i
: i
;
1949 memcpy(src
[j
], src_val
->constant
->values
[0], sizeof(src
[j
]));
1952 /* fix up fixed size sources */
1959 for (unsigned i
= 0; i
< num_components
; ++i
) {
1961 case 64: src
[1][i
].u32
= src
[1][i
].u64
; break;
1962 case 16: src
[1][i
].u32
= src
[1][i
].u16
; break;
1963 case 8: src
[1][i
].u32
= src
[1][i
].u8
; break;
1972 nir_const_value
*srcs
[3] = {
1973 src
[0], src
[1], src
[2],
1975 nir_eval_const_opcode(op
, val
->constant
->values
[0], num_components
, bit_size
, srcs
);
1982 case SpvOpConstantNull
:
1983 val
->constant
= vtn_null_constant(b
, val
->type
);
1986 case SpvOpConstantSampler
:
1987 vtn_fail("OpConstantSampler requires Kernel Capability");
1991 vtn_fail_with_opcode("Unhandled opcode", opcode
);
1994 /* Now that we have the value, update the workgroup size if needed */
1995 vtn_foreach_decoration(b
, val
, handle_workgroup_size_decoration_cb
, NULL
);
1998 struct vtn_ssa_value
*
1999 vtn_create_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
2001 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
2004 if (!glsl_type_is_vector_or_scalar(type
)) {
2005 unsigned elems
= glsl_get_length(type
);
2006 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
2007 for (unsigned i
= 0; i
< elems
; i
++) {
2008 const struct glsl_type
*child_type
;
2010 switch (glsl_get_base_type(type
)) {
2012 case GLSL_TYPE_UINT
:
2013 case GLSL_TYPE_INT16
:
2014 case GLSL_TYPE_UINT16
:
2015 case GLSL_TYPE_UINT8
:
2016 case GLSL_TYPE_INT8
:
2017 case GLSL_TYPE_INT64
:
2018 case GLSL_TYPE_UINT64
:
2019 case GLSL_TYPE_BOOL
:
2020 case GLSL_TYPE_FLOAT
:
2021 case GLSL_TYPE_FLOAT16
:
2022 case GLSL_TYPE_DOUBLE
:
2023 child_type
= glsl_get_column_type(type
);
2025 case GLSL_TYPE_ARRAY
:
2026 child_type
= glsl_get_array_element(type
);
2028 case GLSL_TYPE_STRUCT
:
2029 case GLSL_TYPE_INTERFACE
:
2030 child_type
= glsl_get_struct_field(type
, i
);
2033 vtn_fail("unkown base type");
2036 val
->elems
[i
] = vtn_create_ssa_value(b
, child_type
);
2044 vtn_tex_src(struct vtn_builder
*b
, unsigned index
, nir_tex_src_type type
)
2047 src
.src
= nir_src_for_ssa(vtn_ssa_value(b
, index
)->def
);
2048 src
.src_type
= type
;
2053 vtn_handle_texture(struct vtn_builder
*b
, SpvOp opcode
,
2054 const uint32_t *w
, unsigned count
)
2056 if (opcode
== SpvOpSampledImage
) {
2057 struct vtn_value
*val
=
2058 vtn_push_value(b
, w
[2], vtn_value_type_sampled_image
);
2059 val
->sampled_image
= ralloc(b
, struct vtn_sampled_image
);
2060 val
->sampled_image
->type
=
2061 vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2062 val
->sampled_image
->image
=
2063 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2064 val
->sampled_image
->sampler
=
2065 vtn_value(b
, w
[4], vtn_value_type_pointer
)->pointer
;
2067 } else if (opcode
== SpvOpImage
) {
2068 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_pointer
);
2069 struct vtn_value
*src_val
= vtn_untyped_value(b
, w
[3]);
2070 if (src_val
->value_type
== vtn_value_type_sampled_image
) {
2071 val
->pointer
= src_val
->sampled_image
->image
;
2073 vtn_assert(src_val
->value_type
== vtn_value_type_pointer
);
2074 val
->pointer
= src_val
->pointer
;
2079 struct vtn_type
*ret_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2080 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2082 struct vtn_sampled_image sampled
;
2083 struct vtn_value
*sampled_val
= vtn_untyped_value(b
, w
[3]);
2084 if (sampled_val
->value_type
== vtn_value_type_sampled_image
) {
2085 sampled
= *sampled_val
->sampled_image
;
2087 vtn_assert(sampled_val
->value_type
== vtn_value_type_pointer
);
2088 sampled
.type
= sampled_val
->pointer
->type
;
2089 sampled
.image
= NULL
;
2090 sampled
.sampler
= sampled_val
->pointer
;
2093 const struct glsl_type
*image_type
= sampled
.type
->type
;
2094 const enum glsl_sampler_dim sampler_dim
= glsl_get_sampler_dim(image_type
);
2095 const bool is_array
= glsl_sampler_type_is_array(image_type
);
2097 /* Figure out the base texture operation */
2100 case SpvOpImageSampleImplicitLod
:
2101 case SpvOpImageSampleDrefImplicitLod
:
2102 case SpvOpImageSampleProjImplicitLod
:
2103 case SpvOpImageSampleProjDrefImplicitLod
:
2104 texop
= nir_texop_tex
;
2107 case SpvOpImageSampleExplicitLod
:
2108 case SpvOpImageSampleDrefExplicitLod
:
2109 case SpvOpImageSampleProjExplicitLod
:
2110 case SpvOpImageSampleProjDrefExplicitLod
:
2111 texop
= nir_texop_txl
;
2114 case SpvOpImageFetch
:
2115 if (glsl_get_sampler_dim(image_type
) == GLSL_SAMPLER_DIM_MS
) {
2116 texop
= nir_texop_txf_ms
;
2118 texop
= nir_texop_txf
;
2122 case SpvOpImageGather
:
2123 case SpvOpImageDrefGather
:
2124 texop
= nir_texop_tg4
;
2127 case SpvOpImageQuerySizeLod
:
2128 case SpvOpImageQuerySize
:
2129 texop
= nir_texop_txs
;
2132 case SpvOpImageQueryLod
:
2133 texop
= nir_texop_lod
;
2136 case SpvOpImageQueryLevels
:
2137 texop
= nir_texop_query_levels
;
2140 case SpvOpImageQuerySamples
:
2141 texop
= nir_texop_texture_samples
;
2145 vtn_fail_with_opcode("Unhandled opcode", opcode
);
2148 nir_tex_src srcs
[10]; /* 10 should be enough */
2149 nir_tex_src
*p
= srcs
;
2151 nir_deref_instr
*sampler
= vtn_pointer_to_deref(b
, sampled
.sampler
);
2152 nir_deref_instr
*texture
=
2153 sampled
.image
? vtn_pointer_to_deref(b
, sampled
.image
) : sampler
;
2155 p
->src
= nir_src_for_ssa(&texture
->dest
.ssa
);
2156 p
->src_type
= nir_tex_src_texture_deref
;
2166 /* These operations require a sampler */
2167 p
->src
= nir_src_for_ssa(&sampler
->dest
.ssa
);
2168 p
->src_type
= nir_tex_src_sampler_deref
;
2172 case nir_texop_txf_ms
:
2174 case nir_texop_query_levels
:
2175 case nir_texop_texture_samples
:
2176 case nir_texop_samples_identical
:
2179 case nir_texop_txf_ms_fb
:
2180 vtn_fail("unexpected nir_texop_txf_ms_fb");
2182 case nir_texop_txf_ms_mcs
:
2183 vtn_fail("unexpected nir_texop_txf_ms_mcs");
2188 struct nir_ssa_def
*coord
;
2189 unsigned coord_components
;
2191 case SpvOpImageSampleImplicitLod
:
2192 case SpvOpImageSampleExplicitLod
:
2193 case SpvOpImageSampleDrefImplicitLod
:
2194 case SpvOpImageSampleDrefExplicitLod
:
2195 case SpvOpImageSampleProjImplicitLod
:
2196 case SpvOpImageSampleProjExplicitLod
:
2197 case SpvOpImageSampleProjDrefImplicitLod
:
2198 case SpvOpImageSampleProjDrefExplicitLod
:
2199 case SpvOpImageFetch
:
2200 case SpvOpImageGather
:
2201 case SpvOpImageDrefGather
:
2202 case SpvOpImageQueryLod
: {
2203 /* All these types have the coordinate as their first real argument */
2204 switch (sampler_dim
) {
2205 case GLSL_SAMPLER_DIM_1D
:
2206 case GLSL_SAMPLER_DIM_BUF
:
2207 coord_components
= 1;
2209 case GLSL_SAMPLER_DIM_2D
:
2210 case GLSL_SAMPLER_DIM_RECT
:
2211 case GLSL_SAMPLER_DIM_MS
:
2212 coord_components
= 2;
2214 case GLSL_SAMPLER_DIM_3D
:
2215 case GLSL_SAMPLER_DIM_CUBE
:
2216 coord_components
= 3;
2219 vtn_fail("Invalid sampler type");
2222 if (is_array
&& texop
!= nir_texop_lod
)
2225 coord
= vtn_ssa_value(b
, w
[idx
++])->def
;
2226 p
->src
= nir_src_for_ssa(nir_channels(&b
->nb
, coord
,
2227 (1 << coord_components
) - 1));
2228 p
->src_type
= nir_tex_src_coord
;
2235 coord_components
= 0;
2240 case SpvOpImageSampleProjImplicitLod
:
2241 case SpvOpImageSampleProjExplicitLod
:
2242 case SpvOpImageSampleProjDrefImplicitLod
:
2243 case SpvOpImageSampleProjDrefExplicitLod
:
2244 /* These have the projector as the last coordinate component */
2245 p
->src
= nir_src_for_ssa(nir_channel(&b
->nb
, coord
, coord_components
));
2246 p
->src_type
= nir_tex_src_projector
;
2254 bool is_shadow
= false;
2255 unsigned gather_component
= 0;
2257 case SpvOpImageSampleDrefImplicitLod
:
2258 case SpvOpImageSampleDrefExplicitLod
:
2259 case SpvOpImageSampleProjDrefImplicitLod
:
2260 case SpvOpImageSampleProjDrefExplicitLod
:
2261 case SpvOpImageDrefGather
:
2262 /* These all have an explicit depth value as their next source */
2264 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_comparator
);
2267 case SpvOpImageGather
:
2268 /* This has a component as its next source */
2270 vtn_value(b
, w
[idx
++], vtn_value_type_constant
)->constant
->values
[0][0].u32
;
2277 /* For OpImageQuerySizeLod, we always have an LOD */
2278 if (opcode
== SpvOpImageQuerySizeLod
)
2279 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2281 /* Now we need to handle some number of optional arguments */
2282 struct vtn_value
*gather_offsets
= NULL
;
2284 uint32_t operands
= w
[idx
++];
2286 if (operands
& SpvImageOperandsBiasMask
) {
2287 vtn_assert(texop
== nir_texop_tex
);
2288 texop
= nir_texop_txb
;
2289 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_bias
);
2292 if (operands
& SpvImageOperandsLodMask
) {
2293 vtn_assert(texop
== nir_texop_txl
|| texop
== nir_texop_txf
||
2294 texop
== nir_texop_txs
);
2295 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2298 if (operands
& SpvImageOperandsGradMask
) {
2299 vtn_assert(texop
== nir_texop_txl
);
2300 texop
= nir_texop_txd
;
2301 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddx
);
2302 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddy
);
2305 if (operands
& SpvImageOperandsOffsetMask
||
2306 operands
& SpvImageOperandsConstOffsetMask
)
2307 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_offset
);
2309 if (operands
& SpvImageOperandsConstOffsetsMask
) {
2310 vtn_assert(texop
== nir_texop_tg4
);
2311 gather_offsets
= vtn_value(b
, w
[idx
++], vtn_value_type_constant
);
2314 if (operands
& SpvImageOperandsSampleMask
) {
2315 vtn_assert(texop
== nir_texop_txf_ms
);
2316 texop
= nir_texop_txf_ms
;
2317 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ms_index
);
2320 if (operands
& SpvImageOperandsMinLodMask
) {
2321 vtn_assert(texop
== nir_texop_tex
||
2322 texop
== nir_texop_txb
||
2323 texop
== nir_texop_txd
);
2324 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_min_lod
);
2327 /* We should have now consumed exactly all of the arguments */
2328 vtn_assert(idx
== count
);
2330 nir_tex_instr
*instr
= nir_tex_instr_create(b
->shader
, p
- srcs
);
2333 memcpy(instr
->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
2335 instr
->coord_components
= coord_components
;
2336 instr
->sampler_dim
= sampler_dim
;
2337 instr
->is_array
= is_array
;
2338 instr
->is_shadow
= is_shadow
;
2339 instr
->is_new_style_shadow
=
2340 is_shadow
&& glsl_get_components(ret_type
->type
) == 1;
2341 instr
->component
= gather_component
;
2343 if (sampled
.image
&& (sampled
.image
->access
& ACCESS_NON_UNIFORM
))
2344 instr
->texture_non_uniform
= true;
2346 if (sampled
.sampler
&& (sampled
.sampler
->access
& ACCESS_NON_UNIFORM
))
2347 instr
->sampler_non_uniform
= true;
2349 switch (glsl_get_sampler_result_type(image_type
)) {
2350 case GLSL_TYPE_FLOAT
: instr
->dest_type
= nir_type_float
; break;
2351 case GLSL_TYPE_INT
: instr
->dest_type
= nir_type_int
; break;
2352 case GLSL_TYPE_UINT
: instr
->dest_type
= nir_type_uint
; break;
2353 case GLSL_TYPE_BOOL
: instr
->dest_type
= nir_type_bool
; break;
2355 vtn_fail("Invalid base type for sampler result");
2358 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
2359 nir_tex_instr_dest_size(instr
), 32, NULL
);
2361 vtn_assert(glsl_get_vector_elements(ret_type
->type
) ==
2362 nir_tex_instr_dest_size(instr
));
2364 if (gather_offsets
) {
2365 vtn_fail_if(gather_offsets
->type
->base_type
!= vtn_base_type_array
||
2366 gather_offsets
->type
->length
!= 4,
2367 "ConstOffsets must be an array of size four of vectors "
2368 "of two integer components");
2370 struct vtn_type
*vec_type
= gather_offsets
->type
->array_element
;
2371 vtn_fail_if(vec_type
->base_type
!= vtn_base_type_vector
||
2372 vec_type
->length
!= 2 ||
2373 !glsl_type_is_integer(vec_type
->type
),
2374 "ConstOffsets must be an array of size four of vectors "
2375 "of two integer components");
2377 unsigned bit_size
= glsl_get_bit_size(vec_type
->type
);
2378 for (uint32_t i
= 0; i
< 4; i
++) {
2379 const nir_const_value
*cvec
=
2380 gather_offsets
->constant
->elements
[i
]->values
[0];
2381 for (uint32_t j
= 0; j
< 2; j
++) {
2383 case 8: instr
->tg4_offsets
[i
][j
] = cvec
[j
].i8
; break;
2384 case 16: instr
->tg4_offsets
[i
][j
] = cvec
[j
].i16
; break;
2385 case 32: instr
->tg4_offsets
[i
][j
] = cvec
[j
].i32
; break;
2386 case 64: instr
->tg4_offsets
[i
][j
] = cvec
[j
].i64
; break;
2388 vtn_fail("Unsupported bit size: %u", bit_size
);
2394 val
->ssa
= vtn_create_ssa_value(b
, ret_type
->type
);
2395 val
->ssa
->def
= &instr
->dest
.ssa
;
2397 nir_builder_instr_insert(&b
->nb
, &instr
->instr
);
2401 fill_common_atomic_sources(struct vtn_builder
*b
, SpvOp opcode
,
2402 const uint32_t *w
, nir_src
*src
)
2405 case SpvOpAtomicIIncrement
:
2406 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, 1));
2409 case SpvOpAtomicIDecrement
:
2410 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, -1));
2413 case SpvOpAtomicISub
:
2415 nir_src_for_ssa(nir_ineg(&b
->nb
, vtn_ssa_value(b
, w
[6])->def
));
2418 case SpvOpAtomicCompareExchange
:
2419 case SpvOpAtomicCompareExchangeWeak
:
2420 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[8])->def
);
2421 src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[7])->def
);
2424 case SpvOpAtomicExchange
:
2425 case SpvOpAtomicIAdd
:
2426 case SpvOpAtomicSMin
:
2427 case SpvOpAtomicUMin
:
2428 case SpvOpAtomicSMax
:
2429 case SpvOpAtomicUMax
:
2430 case SpvOpAtomicAnd
:
2432 case SpvOpAtomicXor
:
2433 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[6])->def
);
2437 vtn_fail_with_opcode("Invalid SPIR-V atomic", opcode
);
2441 static nir_ssa_def
*
2442 get_image_coord(struct vtn_builder
*b
, uint32_t value
)
2444 struct vtn_ssa_value
*coord
= vtn_ssa_value(b
, value
);
2446 /* The image_load_store intrinsics assume a 4-dim coordinate */
2447 unsigned dim
= glsl_get_vector_elements(coord
->type
);
2448 unsigned swizzle
[4];
2449 for (unsigned i
= 0; i
< 4; i
++)
2450 swizzle
[i
] = MIN2(i
, dim
- 1);
2452 return nir_swizzle(&b
->nb
, coord
->def
, swizzle
, 4, false);
2455 static nir_ssa_def
*
2456 expand_to_vec4(nir_builder
*b
, nir_ssa_def
*value
)
2458 if (value
->num_components
== 4)
2462 for (unsigned i
= 0; i
< 4; i
++)
2463 swiz
[i
] = i
< value
->num_components
? i
: 0;
2464 return nir_swizzle(b
, value
, swiz
, 4, false);
2468 vtn_handle_image(struct vtn_builder
*b
, SpvOp opcode
,
2469 const uint32_t *w
, unsigned count
)
2471 /* Just get this one out of the way */
2472 if (opcode
== SpvOpImageTexelPointer
) {
2473 struct vtn_value
*val
=
2474 vtn_push_value(b
, w
[2], vtn_value_type_image_pointer
);
2475 val
->image
= ralloc(b
, struct vtn_image_pointer
);
2477 val
->image
->image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2478 val
->image
->coord
= get_image_coord(b
, w
[4]);
2479 val
->image
->sample
= vtn_ssa_value(b
, w
[5])->def
;
2483 struct vtn_image_pointer image
;
2486 case SpvOpAtomicExchange
:
2487 case SpvOpAtomicCompareExchange
:
2488 case SpvOpAtomicCompareExchangeWeak
:
2489 case SpvOpAtomicIIncrement
:
2490 case SpvOpAtomicIDecrement
:
2491 case SpvOpAtomicIAdd
:
2492 case SpvOpAtomicISub
:
2493 case SpvOpAtomicLoad
:
2494 case SpvOpAtomicSMin
:
2495 case SpvOpAtomicUMin
:
2496 case SpvOpAtomicSMax
:
2497 case SpvOpAtomicUMax
:
2498 case SpvOpAtomicAnd
:
2500 case SpvOpAtomicXor
:
2501 image
= *vtn_value(b
, w
[3], vtn_value_type_image_pointer
)->image
;
2504 case SpvOpAtomicStore
:
2505 image
= *vtn_value(b
, w
[1], vtn_value_type_image_pointer
)->image
;
2508 case SpvOpImageQuerySize
:
2509 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2511 image
.sample
= NULL
;
2514 case SpvOpImageRead
:
2515 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2516 image
.coord
= get_image_coord(b
, w
[4]);
2518 if (count
> 5 && (w
[5] & SpvImageOperandsSampleMask
)) {
2519 vtn_assert(w
[5] == SpvImageOperandsSampleMask
);
2520 image
.sample
= vtn_ssa_value(b
, w
[6])->def
;
2522 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2526 case SpvOpImageWrite
:
2527 image
.image
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2528 image
.coord
= get_image_coord(b
, w
[2]);
2532 if (count
> 4 && (w
[4] & SpvImageOperandsSampleMask
)) {
2533 vtn_assert(w
[4] == SpvImageOperandsSampleMask
);
2534 image
.sample
= vtn_ssa_value(b
, w
[5])->def
;
2536 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2541 vtn_fail_with_opcode("Invalid image opcode", opcode
);
2544 nir_intrinsic_op op
;
2546 #define OP(S, N) case SpvOp##S: op = nir_intrinsic_image_deref_##N; break;
2547 OP(ImageQuerySize
, size
)
2549 OP(ImageWrite
, store
)
2550 OP(AtomicLoad
, load
)
2551 OP(AtomicStore
, store
)
2552 OP(AtomicExchange
, atomic_exchange
)
2553 OP(AtomicCompareExchange
, atomic_comp_swap
)
2554 OP(AtomicCompareExchangeWeak
, atomic_comp_swap
)
2555 OP(AtomicIIncrement
, atomic_add
)
2556 OP(AtomicIDecrement
, atomic_add
)
2557 OP(AtomicIAdd
, atomic_add
)
2558 OP(AtomicISub
, atomic_add
)
2559 OP(AtomicSMin
, atomic_min
)
2560 OP(AtomicUMin
, atomic_min
)
2561 OP(AtomicSMax
, atomic_max
)
2562 OP(AtomicUMax
, atomic_max
)
2563 OP(AtomicAnd
, atomic_and
)
2564 OP(AtomicOr
, atomic_or
)
2565 OP(AtomicXor
, atomic_xor
)
2568 vtn_fail_with_opcode("Invalid image opcode", opcode
);
2571 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
2573 nir_deref_instr
*image_deref
= vtn_pointer_to_deref(b
, image
.image
);
2574 intrin
->src
[0] = nir_src_for_ssa(&image_deref
->dest
.ssa
);
2576 /* ImageQuerySize doesn't take any extra parameters */
2577 if (opcode
!= SpvOpImageQuerySize
) {
2578 /* The image coordinate is always 4 components but we may not have that
2579 * many. Swizzle to compensate.
2581 intrin
->src
[1] = nir_src_for_ssa(expand_to_vec4(&b
->nb
, image
.coord
));
2582 intrin
->src
[2] = nir_src_for_ssa(image
.sample
);
2586 case SpvOpAtomicLoad
:
2587 case SpvOpImageQuerySize
:
2588 case SpvOpImageRead
:
2590 case SpvOpAtomicStore
:
2591 case SpvOpImageWrite
: {
2592 const uint32_t value_id
= opcode
== SpvOpAtomicStore
? w
[4] : w
[3];
2593 nir_ssa_def
*value
= vtn_ssa_value(b
, value_id
)->def
;
2594 /* nir_intrinsic_image_deref_store always takes a vec4 value */
2595 assert(op
== nir_intrinsic_image_deref_store
);
2596 intrin
->num_components
= 4;
2597 intrin
->src
[3] = nir_src_for_ssa(expand_to_vec4(&b
->nb
, value
));
2601 case SpvOpAtomicCompareExchange
:
2602 case SpvOpAtomicCompareExchangeWeak
:
2603 case SpvOpAtomicIIncrement
:
2604 case SpvOpAtomicIDecrement
:
2605 case SpvOpAtomicExchange
:
2606 case SpvOpAtomicIAdd
:
2607 case SpvOpAtomicISub
:
2608 case SpvOpAtomicSMin
:
2609 case SpvOpAtomicUMin
:
2610 case SpvOpAtomicSMax
:
2611 case SpvOpAtomicUMax
:
2612 case SpvOpAtomicAnd
:
2614 case SpvOpAtomicXor
:
2615 fill_common_atomic_sources(b
, opcode
, w
, &intrin
->src
[3]);
2619 vtn_fail_with_opcode("Invalid image opcode", opcode
);
2622 if (opcode
!= SpvOpImageWrite
&& opcode
!= SpvOpAtomicStore
) {
2623 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2624 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2626 unsigned dest_components
= glsl_get_vector_elements(type
->type
);
2627 intrin
->num_components
= nir_intrinsic_infos
[op
].dest_components
;
2628 if (intrin
->num_components
== 0)
2629 intrin
->num_components
= dest_components
;
2631 nir_ssa_dest_init(&intrin
->instr
, &intrin
->dest
,
2632 intrin
->num_components
, 32, NULL
);
2634 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2636 nir_ssa_def
*result
= &intrin
->dest
.ssa
;
2637 if (intrin
->num_components
!= dest_components
)
2638 result
= nir_channels(&b
->nb
, result
, (1 << dest_components
) - 1);
2640 val
->ssa
= vtn_create_ssa_value(b
, type
->type
);
2641 val
->ssa
->def
= result
;
2643 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2647 static nir_intrinsic_op
2648 get_ssbo_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2651 case SpvOpAtomicLoad
: return nir_intrinsic_load_ssbo
;
2652 case SpvOpAtomicStore
: return nir_intrinsic_store_ssbo
;
2653 #define OP(S, N) case SpvOp##S: return nir_intrinsic_ssbo_##N;
2654 OP(AtomicExchange
, atomic_exchange
)
2655 OP(AtomicCompareExchange
, atomic_comp_swap
)
2656 OP(AtomicCompareExchangeWeak
, atomic_comp_swap
)
2657 OP(AtomicIIncrement
, atomic_add
)
2658 OP(AtomicIDecrement
, atomic_add
)
2659 OP(AtomicIAdd
, atomic_add
)
2660 OP(AtomicISub
, atomic_add
)
2661 OP(AtomicSMin
, atomic_imin
)
2662 OP(AtomicUMin
, atomic_umin
)
2663 OP(AtomicSMax
, atomic_imax
)
2664 OP(AtomicUMax
, atomic_umax
)
2665 OP(AtomicAnd
, atomic_and
)
2666 OP(AtomicOr
, atomic_or
)
2667 OP(AtomicXor
, atomic_xor
)
2670 vtn_fail_with_opcode("Invalid SSBO atomic", opcode
);
2674 static nir_intrinsic_op
2675 get_uniform_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2678 #define OP(S, N) case SpvOp##S: return nir_intrinsic_atomic_counter_ ##N;
2679 OP(AtomicLoad
, read_deref
)
2680 OP(AtomicExchange
, exchange
)
2681 OP(AtomicCompareExchange
, comp_swap
)
2682 OP(AtomicCompareExchangeWeak
, comp_swap
)
2683 OP(AtomicIIncrement
, inc_deref
)
2684 OP(AtomicIDecrement
, post_dec_deref
)
2685 OP(AtomicIAdd
, add_deref
)
2686 OP(AtomicISub
, add_deref
)
2687 OP(AtomicUMin
, min_deref
)
2688 OP(AtomicUMax
, max_deref
)
2689 OP(AtomicAnd
, and_deref
)
2690 OP(AtomicOr
, or_deref
)
2691 OP(AtomicXor
, xor_deref
)
2694 /* We left the following out: AtomicStore, AtomicSMin and
2695 * AtomicSmax. Right now there are not nir intrinsics for them. At this
2696 * moment Atomic Counter support is needed for ARB_spirv support, so is
2697 * only need to support GLSL Atomic Counters that are uints and don't
2698 * allow direct storage.
2700 unreachable("Invalid uniform atomic");
2704 static nir_intrinsic_op
2705 get_shared_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2708 case SpvOpAtomicLoad
: return nir_intrinsic_load_shared
;
2709 case SpvOpAtomicStore
: return nir_intrinsic_store_shared
;
2710 #define OP(S, N) case SpvOp##S: return nir_intrinsic_shared_##N;
2711 OP(AtomicExchange
, atomic_exchange
)
2712 OP(AtomicCompareExchange
, atomic_comp_swap
)
2713 OP(AtomicCompareExchangeWeak
, 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_with_opcode("Invalid shared atomic", opcode
);
2731 static nir_intrinsic_op
2732 get_deref_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2735 case SpvOpAtomicLoad
: return nir_intrinsic_load_deref
;
2736 case SpvOpAtomicStore
: return nir_intrinsic_store_deref
;
2737 #define OP(S, N) case SpvOp##S: return nir_intrinsic_deref_##N;
2738 OP(AtomicExchange
, atomic_exchange
)
2739 OP(AtomicCompareExchange
, atomic_comp_swap
)
2740 OP(AtomicCompareExchangeWeak
, atomic_comp_swap
)
2741 OP(AtomicIIncrement
, atomic_add
)
2742 OP(AtomicIDecrement
, atomic_add
)
2743 OP(AtomicIAdd
, atomic_add
)
2744 OP(AtomicISub
, atomic_add
)
2745 OP(AtomicSMin
, atomic_imin
)
2746 OP(AtomicUMin
, atomic_umin
)
2747 OP(AtomicSMax
, atomic_imax
)
2748 OP(AtomicUMax
, atomic_umax
)
2749 OP(AtomicAnd
, atomic_and
)
2750 OP(AtomicOr
, atomic_or
)
2751 OP(AtomicXor
, atomic_xor
)
2754 vtn_fail_with_opcode("Invalid shared atomic", opcode
);
2759 * Handles shared atomics, ssbo atomics and atomic counters.
2762 vtn_handle_atomics(struct vtn_builder
*b
, SpvOp opcode
,
2763 const uint32_t *w
, unsigned count
)
2765 struct vtn_pointer
*ptr
;
2766 nir_intrinsic_instr
*atomic
;
2769 case SpvOpAtomicLoad
:
2770 case SpvOpAtomicExchange
:
2771 case SpvOpAtomicCompareExchange
:
2772 case SpvOpAtomicCompareExchangeWeak
:
2773 case SpvOpAtomicIIncrement
:
2774 case SpvOpAtomicIDecrement
:
2775 case SpvOpAtomicIAdd
:
2776 case SpvOpAtomicISub
:
2777 case SpvOpAtomicSMin
:
2778 case SpvOpAtomicUMin
:
2779 case SpvOpAtomicSMax
:
2780 case SpvOpAtomicUMax
:
2781 case SpvOpAtomicAnd
:
2783 case SpvOpAtomicXor
:
2784 ptr
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2787 case SpvOpAtomicStore
:
2788 ptr
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2792 vtn_fail_with_opcode("Invalid SPIR-V atomic", opcode
);
2796 SpvScope scope = w[4];
2797 SpvMemorySemanticsMask semantics = w[5];
2800 /* uniform as "atomic counter uniform" */
2801 if (ptr
->mode
== vtn_variable_mode_uniform
) {
2802 nir_deref_instr
*deref
= vtn_pointer_to_deref(b
, ptr
);
2803 const struct glsl_type
*deref_type
= deref
->type
;
2804 nir_intrinsic_op op
= get_uniform_nir_atomic_op(b
, opcode
);
2805 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2806 atomic
->src
[0] = nir_src_for_ssa(&deref
->dest
.ssa
);
2808 /* SSBO needs to initialize index/offset. In this case we don't need to,
2809 * as that info is already stored on the ptr->var->var nir_variable (see
2810 * vtn_create_variable)
2814 case SpvOpAtomicLoad
:
2815 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2818 case SpvOpAtomicStore
:
2819 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2820 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2823 case SpvOpAtomicExchange
:
2824 case SpvOpAtomicCompareExchange
:
2825 case SpvOpAtomicCompareExchangeWeak
:
2826 case SpvOpAtomicIIncrement
:
2827 case SpvOpAtomicIDecrement
:
2828 case SpvOpAtomicIAdd
:
2829 case SpvOpAtomicISub
:
2830 case SpvOpAtomicSMin
:
2831 case SpvOpAtomicUMin
:
2832 case SpvOpAtomicSMax
:
2833 case SpvOpAtomicUMax
:
2834 case SpvOpAtomicAnd
:
2836 case SpvOpAtomicXor
:
2837 /* Nothing: we don't need to call fill_common_atomic_sources here, as
2838 * atomic counter uniforms doesn't have sources
2843 unreachable("Invalid SPIR-V atomic");
2846 } else if (vtn_pointer_uses_ssa_offset(b
, ptr
)) {
2847 nir_ssa_def
*offset
, *index
;
2848 offset
= vtn_pointer_to_offset(b
, ptr
, &index
);
2850 nir_intrinsic_op op
;
2851 if (ptr
->mode
== vtn_variable_mode_ssbo
) {
2852 op
= get_ssbo_nir_atomic_op(b
, opcode
);
2854 vtn_assert(ptr
->mode
== vtn_variable_mode_workgroup
&&
2855 b
->options
->lower_workgroup_access_to_offsets
);
2856 op
= get_shared_nir_atomic_op(b
, opcode
);
2859 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2863 case SpvOpAtomicLoad
:
2864 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2865 nir_intrinsic_set_align(atomic
, 4, 0);
2866 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2867 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2868 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2871 case SpvOpAtomicStore
:
2872 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2873 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2874 nir_intrinsic_set_align(atomic
, 4, 0);
2875 atomic
->src
[src
++] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2876 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2877 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2878 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2881 case SpvOpAtomicExchange
:
2882 case SpvOpAtomicCompareExchange
:
2883 case SpvOpAtomicCompareExchangeWeak
:
2884 case SpvOpAtomicIIncrement
:
2885 case SpvOpAtomicIDecrement
:
2886 case SpvOpAtomicIAdd
:
2887 case SpvOpAtomicISub
:
2888 case SpvOpAtomicSMin
:
2889 case SpvOpAtomicUMin
:
2890 case SpvOpAtomicSMax
:
2891 case SpvOpAtomicUMax
:
2892 case SpvOpAtomicAnd
:
2894 case SpvOpAtomicXor
:
2895 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2896 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2897 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2898 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[src
]);
2902 vtn_fail_with_opcode("Invalid SPIR-V atomic", opcode
);
2905 nir_deref_instr
*deref
= vtn_pointer_to_deref(b
, ptr
);
2906 const struct glsl_type
*deref_type
= deref
->type
;
2907 nir_intrinsic_op op
= get_deref_nir_atomic_op(b
, opcode
);
2908 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2909 atomic
->src
[0] = nir_src_for_ssa(&deref
->dest
.ssa
);
2912 case SpvOpAtomicLoad
:
2913 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2916 case SpvOpAtomicStore
:
2917 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2918 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2919 atomic
->src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2922 case SpvOpAtomicExchange
:
2923 case SpvOpAtomicCompareExchange
:
2924 case SpvOpAtomicCompareExchangeWeak
:
2925 case SpvOpAtomicIIncrement
:
2926 case SpvOpAtomicIDecrement
:
2927 case SpvOpAtomicIAdd
:
2928 case SpvOpAtomicISub
:
2929 case SpvOpAtomicSMin
:
2930 case SpvOpAtomicUMin
:
2931 case SpvOpAtomicSMax
:
2932 case SpvOpAtomicUMax
:
2933 case SpvOpAtomicAnd
:
2935 case SpvOpAtomicXor
:
2936 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[1]);
2940 vtn_fail_with_opcode("Invalid SPIR-V atomic", opcode
);
2944 if (opcode
!= SpvOpAtomicStore
) {
2945 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2947 nir_ssa_dest_init(&atomic
->instr
, &atomic
->dest
,
2948 glsl_get_vector_elements(type
->type
),
2949 glsl_get_bit_size(type
->type
), NULL
);
2951 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2952 val
->ssa
= rzalloc(b
, struct vtn_ssa_value
);
2953 val
->ssa
->def
= &atomic
->dest
.ssa
;
2954 val
->ssa
->type
= type
->type
;
2957 nir_builder_instr_insert(&b
->nb
, &atomic
->instr
);
2960 static nir_alu_instr
*
2961 create_vec(struct vtn_builder
*b
, unsigned num_components
, unsigned bit_size
)
2963 nir_op op
= nir_op_vec(num_components
);
2964 nir_alu_instr
*vec
= nir_alu_instr_create(b
->shader
, op
);
2965 nir_ssa_dest_init(&vec
->instr
, &vec
->dest
.dest
, num_components
,
2967 vec
->dest
.write_mask
= (1 << num_components
) - 1;
2972 struct vtn_ssa_value
*
2973 vtn_ssa_transpose(struct vtn_builder
*b
, struct vtn_ssa_value
*src
)
2975 if (src
->transposed
)
2976 return src
->transposed
;
2978 struct vtn_ssa_value
*dest
=
2979 vtn_create_ssa_value(b
, glsl_transposed_type(src
->type
));
2981 for (unsigned i
= 0; i
< glsl_get_matrix_columns(dest
->type
); i
++) {
2982 nir_alu_instr
*vec
= create_vec(b
, glsl_get_matrix_columns(src
->type
),
2983 glsl_get_bit_size(src
->type
));
2984 if (glsl_type_is_vector_or_scalar(src
->type
)) {
2985 vec
->src
[0].src
= nir_src_for_ssa(src
->def
);
2986 vec
->src
[0].swizzle
[0] = i
;
2988 for (unsigned j
= 0; j
< glsl_get_matrix_columns(src
->type
); j
++) {
2989 vec
->src
[j
].src
= nir_src_for_ssa(src
->elems
[j
]->def
);
2990 vec
->src
[j
].swizzle
[0] = i
;
2993 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2994 dest
->elems
[i
]->def
= &vec
->dest
.dest
.ssa
;
2997 dest
->transposed
= src
;
3003 vtn_vector_extract(struct vtn_builder
*b
, nir_ssa_def
*src
, unsigned index
)
3005 return nir_channel(&b
->nb
, src
, index
);
3009 vtn_vector_insert(struct vtn_builder
*b
, nir_ssa_def
*src
, nir_ssa_def
*insert
,
3012 nir_alu_instr
*vec
= create_vec(b
, src
->num_components
,
3015 for (unsigned i
= 0; i
< src
->num_components
; i
++) {
3017 vec
->src
[i
].src
= nir_src_for_ssa(insert
);
3019 vec
->src
[i
].src
= nir_src_for_ssa(src
);
3020 vec
->src
[i
].swizzle
[0] = i
;
3024 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
3026 return &vec
->dest
.dest
.ssa
;
3029 static nir_ssa_def
*
3030 nir_ieq_imm(nir_builder
*b
, nir_ssa_def
*x
, uint64_t i
)
3032 return nir_ieq(b
, x
, nir_imm_intN_t(b
, i
, x
->bit_size
));
3036 vtn_vector_extract_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
3039 return nir_vector_extract(&b
->nb
, src
, nir_i2i(&b
->nb
, index
, 32));
3043 vtn_vector_insert_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
3044 nir_ssa_def
*insert
, nir_ssa_def
*index
)
3046 nir_ssa_def
*dest
= vtn_vector_insert(b
, src
, insert
, 0);
3047 for (unsigned i
= 1; i
< src
->num_components
; i
++)
3048 dest
= nir_bcsel(&b
->nb
, nir_ieq_imm(&b
->nb
, index
, i
),
3049 vtn_vector_insert(b
, src
, insert
, i
), dest
);
3054 static nir_ssa_def
*
3055 vtn_vector_shuffle(struct vtn_builder
*b
, unsigned num_components
,
3056 nir_ssa_def
*src0
, nir_ssa_def
*src1
,
3057 const uint32_t *indices
)
3059 nir_alu_instr
*vec
= create_vec(b
, num_components
, src0
->bit_size
);
3061 for (unsigned i
= 0; i
< num_components
; i
++) {
3062 uint32_t index
= indices
[i
];
3063 if (index
== 0xffffffff) {
3065 nir_src_for_ssa(nir_ssa_undef(&b
->nb
, 1, src0
->bit_size
));
3066 } else if (index
< src0
->num_components
) {
3067 vec
->src
[i
].src
= nir_src_for_ssa(src0
);
3068 vec
->src
[i
].swizzle
[0] = index
;
3070 vec
->src
[i
].src
= nir_src_for_ssa(src1
);
3071 vec
->src
[i
].swizzle
[0] = index
- src0
->num_components
;
3075 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
3077 return &vec
->dest
.dest
.ssa
;
3081 * Concatentates a number of vectors/scalars together to produce a vector
3083 static nir_ssa_def
*
3084 vtn_vector_construct(struct vtn_builder
*b
, unsigned num_components
,
3085 unsigned num_srcs
, nir_ssa_def
**srcs
)
3087 nir_alu_instr
*vec
= create_vec(b
, num_components
, srcs
[0]->bit_size
);
3089 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
3091 * "When constructing a vector, there must be at least two Constituent
3094 vtn_assert(num_srcs
>= 2);
3096 unsigned dest_idx
= 0;
3097 for (unsigned i
= 0; i
< num_srcs
; i
++) {
3098 nir_ssa_def
*src
= srcs
[i
];
3099 vtn_assert(dest_idx
+ src
->num_components
<= num_components
);
3100 for (unsigned j
= 0; j
< src
->num_components
; j
++) {
3101 vec
->src
[dest_idx
].src
= nir_src_for_ssa(src
);
3102 vec
->src
[dest_idx
].swizzle
[0] = j
;
3107 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
3109 * "When constructing a vector, the total number of components in all
3110 * the operands must equal the number of components in Result Type."
3112 vtn_assert(dest_idx
== num_components
);
3114 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
3116 return &vec
->dest
.dest
.ssa
;
3119 static struct vtn_ssa_value
*
3120 vtn_composite_copy(void *mem_ctx
, struct vtn_ssa_value
*src
)
3122 struct vtn_ssa_value
*dest
= rzalloc(mem_ctx
, struct vtn_ssa_value
);
3123 dest
->type
= src
->type
;
3125 if (glsl_type_is_vector_or_scalar(src
->type
)) {
3126 dest
->def
= src
->def
;
3128 unsigned elems
= glsl_get_length(src
->type
);
3130 dest
->elems
= ralloc_array(mem_ctx
, struct vtn_ssa_value
*, elems
);
3131 for (unsigned i
= 0; i
< elems
; i
++)
3132 dest
->elems
[i
] = vtn_composite_copy(mem_ctx
, src
->elems
[i
]);
3138 static struct vtn_ssa_value
*
3139 vtn_composite_insert(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
3140 struct vtn_ssa_value
*insert
, const uint32_t *indices
,
3141 unsigned num_indices
)
3143 struct vtn_ssa_value
*dest
= vtn_composite_copy(b
, src
);
3145 struct vtn_ssa_value
*cur
= dest
;
3147 for (i
= 0; i
< num_indices
- 1; i
++) {
3148 cur
= cur
->elems
[indices
[i
]];
3151 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
3152 /* According to the SPIR-V spec, OpCompositeInsert may work down to
3153 * the component granularity. In that case, the last index will be
3154 * the index to insert the scalar into the vector.
3157 cur
->def
= vtn_vector_insert(b
, cur
->def
, insert
->def
, indices
[i
]);
3159 cur
->elems
[indices
[i
]] = insert
;
3165 static struct vtn_ssa_value
*
3166 vtn_composite_extract(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
3167 const uint32_t *indices
, unsigned num_indices
)
3169 struct vtn_ssa_value
*cur
= src
;
3170 for (unsigned i
= 0; i
< num_indices
; i
++) {
3171 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
3172 vtn_assert(i
== num_indices
- 1);
3173 /* According to the SPIR-V spec, OpCompositeExtract may work down to
3174 * the component granularity. The last index will be the index of the
3175 * vector to extract.
3178 struct vtn_ssa_value
*ret
= rzalloc(b
, struct vtn_ssa_value
);
3179 ret
->type
= glsl_scalar_type(glsl_get_base_type(cur
->type
));
3180 ret
->def
= vtn_vector_extract(b
, cur
->def
, indices
[i
]);
3183 cur
= cur
->elems
[indices
[i
]];
3191 vtn_handle_composite(struct vtn_builder
*b
, SpvOp opcode
,
3192 const uint32_t *w
, unsigned count
)
3194 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
3195 const struct glsl_type
*type
=
3196 vtn_value(b
, w
[1], vtn_value_type_type
)->type
->type
;
3197 val
->ssa
= vtn_create_ssa_value(b
, type
);
3200 case SpvOpVectorExtractDynamic
:
3201 val
->ssa
->def
= vtn_vector_extract_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
3202 vtn_ssa_value(b
, w
[4])->def
);
3205 case SpvOpVectorInsertDynamic
:
3206 val
->ssa
->def
= vtn_vector_insert_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
3207 vtn_ssa_value(b
, w
[4])->def
,
3208 vtn_ssa_value(b
, w
[5])->def
);
3211 case SpvOpVectorShuffle
:
3212 val
->ssa
->def
= vtn_vector_shuffle(b
, glsl_get_vector_elements(type
),
3213 vtn_ssa_value(b
, w
[3])->def
,
3214 vtn_ssa_value(b
, w
[4])->def
,
3218 case SpvOpCompositeConstruct
: {
3219 unsigned elems
= count
- 3;
3221 if (glsl_type_is_vector_or_scalar(type
)) {
3222 nir_ssa_def
*srcs
[NIR_MAX_VEC_COMPONENTS
];
3223 for (unsigned i
= 0; i
< elems
; i
++)
3224 srcs
[i
] = vtn_ssa_value(b
, w
[3 + i
])->def
;
3226 vtn_vector_construct(b
, glsl_get_vector_elements(type
),
3229 val
->ssa
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
3230 for (unsigned i
= 0; i
< elems
; i
++)
3231 val
->ssa
->elems
[i
] = vtn_ssa_value(b
, w
[3 + i
]);
3235 case SpvOpCompositeExtract
:
3236 val
->ssa
= vtn_composite_extract(b
, vtn_ssa_value(b
, w
[3]),
3240 case SpvOpCompositeInsert
:
3241 val
->ssa
= vtn_composite_insert(b
, vtn_ssa_value(b
, w
[4]),
3242 vtn_ssa_value(b
, w
[3]),
3246 case SpvOpCopyObject
:
3247 val
->ssa
= vtn_composite_copy(b
, vtn_ssa_value(b
, w
[3]));
3251 vtn_fail_with_opcode("unknown composite operation", opcode
);
3256 vtn_emit_barrier(struct vtn_builder
*b
, nir_intrinsic_op op
)
3258 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
3259 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3263 vtn_emit_memory_barrier(struct vtn_builder
*b
, SpvScope scope
,
3264 SpvMemorySemanticsMask semantics
)
3266 static const SpvMemorySemanticsMask all_memory_semantics
=
3267 SpvMemorySemanticsUniformMemoryMask
|
3268 SpvMemorySemanticsWorkgroupMemoryMask
|
3269 SpvMemorySemanticsAtomicCounterMemoryMask
|
3270 SpvMemorySemanticsImageMemoryMask
;
3272 /* If we're not actually doing a memory barrier, bail */
3273 if (!(semantics
& all_memory_semantics
))
3276 /* GL and Vulkan don't have these */
3277 vtn_assert(scope
!= SpvScopeCrossDevice
);
3279 if (scope
== SpvScopeSubgroup
)
3280 return; /* Nothing to do here */
3282 if (scope
== SpvScopeWorkgroup
) {
3283 vtn_emit_barrier(b
, nir_intrinsic_group_memory_barrier
);
3287 /* There's only two scopes thing left */
3288 vtn_assert(scope
== SpvScopeInvocation
|| scope
== SpvScopeDevice
);
3290 if ((semantics
& all_memory_semantics
) == all_memory_semantics
) {
3291 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier
);
3295 /* Issue a bunch of more specific barriers */
3296 uint32_t bits
= semantics
;
3298 SpvMemorySemanticsMask semantic
= 1 << u_bit_scan(&bits
);
3300 case SpvMemorySemanticsUniformMemoryMask
:
3301 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_buffer
);
3303 case SpvMemorySemanticsWorkgroupMemoryMask
:
3304 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_shared
);
3306 case SpvMemorySemanticsAtomicCounterMemoryMask
:
3307 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_atomic_counter
);
3309 case SpvMemorySemanticsImageMemoryMask
:
3310 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_image
);
3319 vtn_handle_barrier(struct vtn_builder
*b
, SpvOp opcode
,
3320 const uint32_t *w
, unsigned count
)
3323 case SpvOpEmitVertex
:
3324 case SpvOpEmitStreamVertex
:
3325 case SpvOpEndPrimitive
:
3326 case SpvOpEndStreamPrimitive
: {
3327 nir_intrinsic_op intrinsic_op
;
3329 case SpvOpEmitVertex
:
3330 case SpvOpEmitStreamVertex
:
3331 intrinsic_op
= nir_intrinsic_emit_vertex
;
3333 case SpvOpEndPrimitive
:
3334 case SpvOpEndStreamPrimitive
:
3335 intrinsic_op
= nir_intrinsic_end_primitive
;
3338 unreachable("Invalid opcode");
3341 nir_intrinsic_instr
*intrin
=
3342 nir_intrinsic_instr_create(b
->shader
, intrinsic_op
);
3345 case SpvOpEmitStreamVertex
:
3346 case SpvOpEndStreamPrimitive
: {
3347 unsigned stream
= vtn_constant_uint(b
, w
[1]);
3348 nir_intrinsic_set_stream_id(intrin
, stream
);
3356 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3360 case SpvOpMemoryBarrier
: {
3361 SpvScope scope
= vtn_constant_uint(b
, w
[1]);
3362 SpvMemorySemanticsMask semantics
= vtn_constant_uint(b
, w
[2]);
3363 vtn_emit_memory_barrier(b
, scope
, semantics
);
3367 case SpvOpControlBarrier
: {
3368 SpvScope execution_scope
= vtn_constant_uint(b
, w
[1]);
3369 if (execution_scope
== SpvScopeWorkgroup
)
3370 vtn_emit_barrier(b
, nir_intrinsic_barrier
);
3372 SpvScope memory_scope
= vtn_constant_uint(b
, w
[2]);
3373 SpvMemorySemanticsMask memory_semantics
= vtn_constant_uint(b
, w
[3]);
3374 vtn_emit_memory_barrier(b
, memory_scope
, memory_semantics
);
3379 unreachable("unknown barrier instruction");
3384 gl_primitive_from_spv_execution_mode(struct vtn_builder
*b
,
3385 SpvExecutionMode mode
)
3388 case SpvExecutionModeInputPoints
:
3389 case SpvExecutionModeOutputPoints
:
3390 return 0; /* GL_POINTS */
3391 case SpvExecutionModeInputLines
:
3392 return 1; /* GL_LINES */
3393 case SpvExecutionModeInputLinesAdjacency
:
3394 return 0x000A; /* GL_LINE_STRIP_ADJACENCY_ARB */
3395 case SpvExecutionModeTriangles
:
3396 return 4; /* GL_TRIANGLES */
3397 case SpvExecutionModeInputTrianglesAdjacency
:
3398 return 0x000C; /* GL_TRIANGLES_ADJACENCY_ARB */
3399 case SpvExecutionModeQuads
:
3400 return 7; /* GL_QUADS */
3401 case SpvExecutionModeIsolines
:
3402 return 0x8E7A; /* GL_ISOLINES */
3403 case SpvExecutionModeOutputLineStrip
:
3404 return 3; /* GL_LINE_STRIP */
3405 case SpvExecutionModeOutputTriangleStrip
:
3406 return 5; /* GL_TRIANGLE_STRIP */
3408 vtn_fail("Invalid primitive type: %s (%u)",
3409 spirv_executionmode_to_string(mode
), mode
);
3414 vertices_in_from_spv_execution_mode(struct vtn_builder
*b
,
3415 SpvExecutionMode mode
)
3418 case SpvExecutionModeInputPoints
:
3420 case SpvExecutionModeInputLines
:
3422 case SpvExecutionModeInputLinesAdjacency
:
3424 case SpvExecutionModeTriangles
:
3426 case SpvExecutionModeInputTrianglesAdjacency
:
3429 vtn_fail("Invalid GS input mode: %s (%u)",
3430 spirv_executionmode_to_string(mode
), mode
);
3434 static gl_shader_stage
3435 stage_for_execution_model(struct vtn_builder
*b
, SpvExecutionModel model
)
3438 case SpvExecutionModelVertex
:
3439 return MESA_SHADER_VERTEX
;
3440 case SpvExecutionModelTessellationControl
:
3441 return MESA_SHADER_TESS_CTRL
;
3442 case SpvExecutionModelTessellationEvaluation
:
3443 return MESA_SHADER_TESS_EVAL
;
3444 case SpvExecutionModelGeometry
:
3445 return MESA_SHADER_GEOMETRY
;
3446 case SpvExecutionModelFragment
:
3447 return MESA_SHADER_FRAGMENT
;
3448 case SpvExecutionModelGLCompute
:
3449 return MESA_SHADER_COMPUTE
;
3450 case SpvExecutionModelKernel
:
3451 return MESA_SHADER_KERNEL
;
3453 vtn_fail("Unsupported execution model: %s (%u)",
3454 spirv_executionmodel_to_string(model
), model
);
3458 #define spv_check_supported(name, cap) do { \
3459 if (!(b->options && b->options->caps.name)) \
3460 vtn_warn("Unsupported SPIR-V capability: %s (%u)", \
3461 spirv_capability_to_string(cap), cap); \
3466 vtn_handle_entry_point(struct vtn_builder
*b
, const uint32_t *w
,
3469 struct vtn_value
*entry_point
= &b
->values
[w
[2]];
3470 /* Let this be a name label regardless */
3471 unsigned name_words
;
3472 entry_point
->name
= vtn_string_literal(b
, &w
[3], count
- 3, &name_words
);
3474 if (strcmp(entry_point
->name
, b
->entry_point_name
) != 0 ||
3475 stage_for_execution_model(b
, w
[1]) != b
->entry_point_stage
)
3478 vtn_assert(b
->entry_point
== NULL
);
3479 b
->entry_point
= entry_point
;
3483 vtn_handle_preamble_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3484 const uint32_t *w
, unsigned count
)
3491 case SpvSourceLanguageUnknown
: lang
= "unknown"; break;
3492 case SpvSourceLanguageESSL
: lang
= "ESSL"; break;
3493 case SpvSourceLanguageGLSL
: lang
= "GLSL"; break;
3494 case SpvSourceLanguageOpenCL_C
: lang
= "OpenCL C"; break;
3495 case SpvSourceLanguageOpenCL_CPP
: lang
= "OpenCL C++"; break;
3496 case SpvSourceLanguageHLSL
: lang
= "HLSL"; break;
3499 uint32_t version
= w
[2];
3502 (count
> 3) ? vtn_value(b
, w
[3], vtn_value_type_string
)->str
: "";
3504 vtn_info("Parsing SPIR-V from %s %u source file %s", lang
, version
, file
);
3508 case SpvOpSourceExtension
:
3509 case SpvOpSourceContinued
:
3510 case SpvOpExtension
:
3511 case SpvOpModuleProcessed
:
3512 /* Unhandled, but these are for debug so that's ok. */
3515 case SpvOpCapability
: {
3516 SpvCapability cap
= w
[1];
3518 case SpvCapabilityMatrix
:
3519 case SpvCapabilityShader
:
3520 case SpvCapabilityGeometry
:
3521 case SpvCapabilityGeometryPointSize
:
3522 case SpvCapabilityUniformBufferArrayDynamicIndexing
:
3523 case SpvCapabilitySampledImageArrayDynamicIndexing
:
3524 case SpvCapabilityStorageBufferArrayDynamicIndexing
:
3525 case SpvCapabilityStorageImageArrayDynamicIndexing
:
3526 case SpvCapabilityImageRect
:
3527 case SpvCapabilitySampledRect
:
3528 case SpvCapabilitySampled1D
:
3529 case SpvCapabilityImage1D
:
3530 case SpvCapabilitySampledCubeArray
:
3531 case SpvCapabilityImageCubeArray
:
3532 case SpvCapabilitySampledBuffer
:
3533 case SpvCapabilityImageBuffer
:
3534 case SpvCapabilityImageQuery
:
3535 case SpvCapabilityDerivativeControl
:
3536 case SpvCapabilityInterpolationFunction
:
3537 case SpvCapabilityMultiViewport
:
3538 case SpvCapabilitySampleRateShading
:
3539 case SpvCapabilityClipDistance
:
3540 case SpvCapabilityCullDistance
:
3541 case SpvCapabilityInputAttachment
:
3542 case SpvCapabilityImageGatherExtended
:
3543 case SpvCapabilityStorageImageExtendedFormats
:
3546 case SpvCapabilityLinkage
:
3547 case SpvCapabilityVector16
:
3548 case SpvCapabilityFloat16Buffer
:
3549 case SpvCapabilitySparseResidency
:
3550 vtn_warn("Unsupported SPIR-V capability: %s",
3551 spirv_capability_to_string(cap
));
3554 case SpvCapabilityMinLod
:
3555 spv_check_supported(min_lod
, cap
);
3558 case SpvCapabilityAtomicStorage
:
3559 spv_check_supported(atomic_storage
, cap
);
3562 case SpvCapabilityFloat64
:
3563 spv_check_supported(float64
, cap
);
3565 case SpvCapabilityInt64
:
3566 spv_check_supported(int64
, cap
);
3568 case SpvCapabilityInt16
:
3569 spv_check_supported(int16
, cap
);
3571 case SpvCapabilityInt8
:
3572 spv_check_supported(int8
, cap
);
3575 case SpvCapabilityTransformFeedback
:
3576 spv_check_supported(transform_feedback
, cap
);
3579 case SpvCapabilityGeometryStreams
:
3580 spv_check_supported(geometry_streams
, cap
);
3583 case SpvCapabilityInt64Atomics
:
3584 spv_check_supported(int64_atomics
, cap
);
3587 case SpvCapabilityStorageImageMultisample
:
3588 spv_check_supported(storage_image_ms
, cap
);
3591 case SpvCapabilityAddresses
:
3592 spv_check_supported(address
, cap
);
3595 case SpvCapabilityKernel
:
3596 spv_check_supported(kernel
, cap
);
3599 case SpvCapabilityImageBasic
:
3600 case SpvCapabilityImageReadWrite
:
3601 case SpvCapabilityImageMipmap
:
3602 case SpvCapabilityPipes
:
3603 case SpvCapabilityGroups
:
3604 case SpvCapabilityDeviceEnqueue
:
3605 case SpvCapabilityLiteralSampler
:
3606 case SpvCapabilityGenericPointer
:
3607 vtn_warn("Unsupported OpenCL-style SPIR-V capability: %s",
3608 spirv_capability_to_string(cap
));
3611 case SpvCapabilityImageMSArray
:
3612 spv_check_supported(image_ms_array
, cap
);
3615 case SpvCapabilityTessellation
:
3616 case SpvCapabilityTessellationPointSize
:
3617 spv_check_supported(tessellation
, cap
);
3620 case SpvCapabilityDrawParameters
:
3621 spv_check_supported(draw_parameters
, cap
);
3624 case SpvCapabilityStorageImageReadWithoutFormat
:
3625 spv_check_supported(image_read_without_format
, cap
);
3628 case SpvCapabilityStorageImageWriteWithoutFormat
:
3629 spv_check_supported(image_write_without_format
, cap
);
3632 case SpvCapabilityDeviceGroup
:
3633 spv_check_supported(device_group
, cap
);
3636 case SpvCapabilityMultiView
:
3637 spv_check_supported(multiview
, cap
);
3640 case SpvCapabilityGroupNonUniform
:
3641 spv_check_supported(subgroup_basic
, cap
);
3644 case SpvCapabilityGroupNonUniformVote
:
3645 spv_check_supported(subgroup_vote
, cap
);
3648 case SpvCapabilitySubgroupBallotKHR
:
3649 case SpvCapabilityGroupNonUniformBallot
:
3650 spv_check_supported(subgroup_ballot
, cap
);
3653 case SpvCapabilityGroupNonUniformShuffle
:
3654 case SpvCapabilityGroupNonUniformShuffleRelative
:
3655 spv_check_supported(subgroup_shuffle
, cap
);
3658 case SpvCapabilityGroupNonUniformQuad
:
3659 spv_check_supported(subgroup_quad
, cap
);
3662 case SpvCapabilityGroupNonUniformArithmetic
:
3663 case SpvCapabilityGroupNonUniformClustered
:
3664 spv_check_supported(subgroup_arithmetic
, cap
);
3667 case SpvCapabilityVariablePointersStorageBuffer
:
3668 case SpvCapabilityVariablePointers
:
3669 spv_check_supported(variable_pointers
, cap
);
3670 b
->variable_pointers
= true;
3673 case SpvCapabilityStorageUniformBufferBlock16
:
3674 case SpvCapabilityStorageUniform16
:
3675 case SpvCapabilityStoragePushConstant16
:
3676 case SpvCapabilityStorageInputOutput16
:
3677 spv_check_supported(storage_16bit
, cap
);
3680 case SpvCapabilityShaderViewportIndexLayerEXT
:
3681 spv_check_supported(shader_viewport_index_layer
, cap
);
3684 case SpvCapabilityStorageBuffer8BitAccess
:
3685 case SpvCapabilityUniformAndStorageBuffer8BitAccess
:
3686 case SpvCapabilityStoragePushConstant8
:
3687 spv_check_supported(storage_8bit
, cap
);
3690 case SpvCapabilityShaderNonUniformEXT
:
3691 spv_check_supported(descriptor_indexing
, cap
);
3694 case SpvCapabilityInputAttachmentArrayDynamicIndexingEXT
:
3695 case SpvCapabilityUniformTexelBufferArrayDynamicIndexingEXT
:
3696 case SpvCapabilityStorageTexelBufferArrayDynamicIndexingEXT
:
3697 spv_check_supported(descriptor_array_dynamic_indexing
, cap
);
3700 case SpvCapabilityUniformBufferArrayNonUniformIndexingEXT
:
3701 case SpvCapabilitySampledImageArrayNonUniformIndexingEXT
:
3702 case SpvCapabilityStorageBufferArrayNonUniformIndexingEXT
:
3703 case SpvCapabilityStorageImageArrayNonUniformIndexingEXT
:
3704 case SpvCapabilityInputAttachmentArrayNonUniformIndexingEXT
:
3705 case SpvCapabilityUniformTexelBufferArrayNonUniformIndexingEXT
:
3706 case SpvCapabilityStorageTexelBufferArrayNonUniformIndexingEXT
:
3707 spv_check_supported(descriptor_array_non_uniform_indexing
, cap
);
3710 case SpvCapabilityRuntimeDescriptorArrayEXT
:
3711 spv_check_supported(runtime_descriptor_array
, cap
);
3714 case SpvCapabilityStencilExportEXT
:
3715 spv_check_supported(stencil_export
, cap
);
3718 case SpvCapabilitySampleMaskPostDepthCoverage
:
3719 spv_check_supported(post_depth_coverage
, cap
);
3722 case SpvCapabilityPhysicalStorageBufferAddressesEXT
:
3723 spv_check_supported(physical_storage_buffer_address
, cap
);
3726 case SpvCapabilityComputeDerivativeGroupQuadsNV
:
3727 case SpvCapabilityComputeDerivativeGroupLinearNV
:
3728 spv_check_supported(derivative_group
, cap
);
3731 case SpvCapabilityFloat16
:
3732 spv_check_supported(float16
, cap
);
3736 vtn_fail("Unhandled capability: %s (%u)",
3737 spirv_capability_to_string(cap
), cap
);
3742 case SpvOpExtInstImport
:
3743 vtn_handle_extension(b
, opcode
, w
, count
);
3746 case SpvOpMemoryModel
:
3748 case SpvAddressingModelPhysical32
:
3749 vtn_fail_if(b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
,
3750 "AddressingModelPhysical32 only supported for kernels");
3751 b
->shader
->info
.cs
.ptr_size
= 32;
3752 b
->physical_ptrs
= true;
3753 b
->options
->shared_addr_format
= nir_address_format_32bit_global
;
3754 b
->options
->global_addr_format
= nir_address_format_32bit_global
;
3755 b
->options
->temp_addr_format
= nir_address_format_32bit_global
;
3757 case SpvAddressingModelPhysical64
:
3758 vtn_fail_if(b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
,
3759 "AddressingModelPhysical64 only supported for kernels");
3760 b
->shader
->info
.cs
.ptr_size
= 64;
3761 b
->physical_ptrs
= true;
3762 b
->options
->shared_addr_format
= nir_address_format_64bit_global
;
3763 b
->options
->global_addr_format
= nir_address_format_64bit_global
;
3764 b
->options
->temp_addr_format
= nir_address_format_64bit_global
;
3766 case SpvAddressingModelLogical
:
3767 vtn_fail_if(b
->shader
->info
.stage
>= MESA_SHADER_STAGES
,
3768 "AddressingModelLogical only supported for shaders");
3769 b
->shader
->info
.cs
.ptr_size
= 0;
3770 b
->physical_ptrs
= false;
3772 case SpvAddressingModelPhysicalStorageBuffer64EXT
:
3773 vtn_fail_if(!b
->options
||
3774 !b
->options
->caps
.physical_storage_buffer_address
,
3775 "AddressingModelPhysicalStorageBuffer64EXT not supported");
3778 vtn_fail("Unknown addressing model: %s (%u)",
3779 spirv_addressingmodel_to_string(w
[1]), w
[1]);
3783 vtn_assert(w
[2] == SpvMemoryModelSimple
||
3784 w
[2] == SpvMemoryModelGLSL450
||
3785 w
[2] == SpvMemoryModelOpenCL
);
3788 case SpvOpEntryPoint
:
3789 vtn_handle_entry_point(b
, w
, count
);
3793 vtn_push_value(b
, w
[1], vtn_value_type_string
)->str
=
3794 vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3798 b
->values
[w
[1]].name
= vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3801 case SpvOpMemberName
:
3805 case SpvOpExecutionMode
:
3806 case SpvOpExecutionModeId
:
3807 case SpvOpDecorationGroup
:
3809 case SpvOpDecorateId
:
3810 case SpvOpMemberDecorate
:
3811 case SpvOpGroupDecorate
:
3812 case SpvOpGroupMemberDecorate
:
3813 case SpvOpDecorateStringGOOGLE
:
3814 case SpvOpMemberDecorateStringGOOGLE
:
3815 vtn_handle_decoration(b
, opcode
, w
, count
);
3819 return false; /* End of preamble */
3826 vtn_handle_execution_mode(struct vtn_builder
*b
, struct vtn_value
*entry_point
,
3827 const struct vtn_decoration
*mode
, void *data
)
3829 vtn_assert(b
->entry_point
== entry_point
);
3831 switch(mode
->exec_mode
) {
3832 case SpvExecutionModeOriginUpperLeft
:
3833 case SpvExecutionModeOriginLowerLeft
:
3834 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3835 b
->shader
->info
.fs
.origin_upper_left
=
3836 (mode
->exec_mode
== SpvExecutionModeOriginUpperLeft
);
3839 case SpvExecutionModeEarlyFragmentTests
:
3840 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3841 b
->shader
->info
.fs
.early_fragment_tests
= true;
3844 case SpvExecutionModePostDepthCoverage
:
3845 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3846 b
->shader
->info
.fs
.post_depth_coverage
= true;
3849 case SpvExecutionModeInvocations
:
3850 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3851 b
->shader
->info
.gs
.invocations
= MAX2(1, mode
->operands
[0]);
3854 case SpvExecutionModeDepthReplacing
:
3855 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3856 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_ANY
;
3858 case SpvExecutionModeDepthGreater
:
3859 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3860 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_GREATER
;
3862 case SpvExecutionModeDepthLess
:
3863 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3864 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_LESS
;
3866 case SpvExecutionModeDepthUnchanged
:
3867 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3868 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_UNCHANGED
;
3871 case SpvExecutionModeLocalSize
:
3872 vtn_assert(gl_shader_stage_is_compute(b
->shader
->info
.stage
));
3873 b
->shader
->info
.cs
.local_size
[0] = mode
->operands
[0];
3874 b
->shader
->info
.cs
.local_size
[1] = mode
->operands
[1];
3875 b
->shader
->info
.cs
.local_size
[2] = mode
->operands
[2];
3878 case SpvExecutionModeLocalSizeId
:
3879 b
->shader
->info
.cs
.local_size
[0] = vtn_constant_uint(b
, mode
->operands
[0]);
3880 b
->shader
->info
.cs
.local_size
[1] = vtn_constant_uint(b
, mode
->operands
[1]);
3881 b
->shader
->info
.cs
.local_size
[2] = vtn_constant_uint(b
, mode
->operands
[2]);
3884 case SpvExecutionModeLocalSizeHint
:
3885 case SpvExecutionModeLocalSizeHintId
:
3886 break; /* Nothing to do with this */
3888 case SpvExecutionModeOutputVertices
:
3889 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3890 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3891 b
->shader
->info
.tess
.tcs_vertices_out
= mode
->operands
[0];
3893 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3894 b
->shader
->info
.gs
.vertices_out
= mode
->operands
[0];
3898 case SpvExecutionModeInputPoints
:
3899 case SpvExecutionModeInputLines
:
3900 case SpvExecutionModeInputLinesAdjacency
:
3901 case SpvExecutionModeTriangles
:
3902 case SpvExecutionModeInputTrianglesAdjacency
:
3903 case SpvExecutionModeQuads
:
3904 case SpvExecutionModeIsolines
:
3905 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3906 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3907 b
->shader
->info
.tess
.primitive_mode
=
3908 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3910 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3911 b
->shader
->info
.gs
.vertices_in
=
3912 vertices_in_from_spv_execution_mode(b
, mode
->exec_mode
);
3913 b
->shader
->info
.gs
.input_primitive
=
3914 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3918 case SpvExecutionModeOutputPoints
:
3919 case SpvExecutionModeOutputLineStrip
:
3920 case SpvExecutionModeOutputTriangleStrip
:
3921 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3922 b
->shader
->info
.gs
.output_primitive
=
3923 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3926 case SpvExecutionModeSpacingEqual
:
3927 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3928 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3929 b
->shader
->info
.tess
.spacing
= TESS_SPACING_EQUAL
;
3931 case SpvExecutionModeSpacingFractionalEven
:
3932 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3933 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3934 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_EVEN
;
3936 case SpvExecutionModeSpacingFractionalOdd
:
3937 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3938 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3939 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_ODD
;
3941 case SpvExecutionModeVertexOrderCw
:
3942 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3943 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3944 b
->shader
->info
.tess
.ccw
= false;
3946 case SpvExecutionModeVertexOrderCcw
:
3947 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3948 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3949 b
->shader
->info
.tess
.ccw
= true;
3951 case SpvExecutionModePointMode
:
3952 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3953 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3954 b
->shader
->info
.tess
.point_mode
= true;
3957 case SpvExecutionModePixelCenterInteger
:
3958 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3959 b
->shader
->info
.fs
.pixel_center_integer
= true;
3962 case SpvExecutionModeXfb
:
3963 b
->shader
->info
.has_transform_feedback_varyings
= true;
3966 case SpvExecutionModeVecTypeHint
:
3969 case SpvExecutionModeContractionOff
:
3970 if (b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
)
3971 vtn_warn("ExectionMode only allowed for CL-style kernels: %s",
3972 spirv_executionmode_to_string(mode
->exec_mode
));
3977 case SpvExecutionModeStencilRefReplacingEXT
:
3978 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3981 case SpvExecutionModeDerivativeGroupQuadsNV
:
3982 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_COMPUTE
);
3983 b
->shader
->info
.cs
.derivative_group
= DERIVATIVE_GROUP_QUADS
;
3986 case SpvExecutionModeDerivativeGroupLinearNV
:
3987 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_COMPUTE
);
3988 b
->shader
->info
.cs
.derivative_group
= DERIVATIVE_GROUP_LINEAR
;
3992 vtn_fail("Unhandled execution mode: %s (%u)",
3993 spirv_executionmode_to_string(mode
->exec_mode
),
3999 vtn_handle_variable_or_type_instruction(struct vtn_builder
*b
, SpvOp opcode
,
4000 const uint32_t *w
, unsigned count
)
4002 vtn_set_instruction_result_type(b
, opcode
, w
, count
);
4006 case SpvOpSourceContinued
:
4007 case SpvOpSourceExtension
:
4008 case SpvOpExtension
:
4009 case SpvOpCapability
:
4010 case SpvOpExtInstImport
:
4011 case SpvOpMemoryModel
:
4012 case SpvOpEntryPoint
:
4013 case SpvOpExecutionMode
:
4016 case SpvOpMemberName
:
4017 case SpvOpDecorationGroup
:
4019 case SpvOpDecorateId
:
4020 case SpvOpMemberDecorate
:
4021 case SpvOpGroupDecorate
:
4022 case SpvOpGroupMemberDecorate
:
4023 case SpvOpDecorateStringGOOGLE
:
4024 case SpvOpMemberDecorateStringGOOGLE
:
4025 vtn_fail("Invalid opcode types and variables section");
4031 case SpvOpTypeFloat
:
4032 case SpvOpTypeVector
:
4033 case SpvOpTypeMatrix
:
4034 case SpvOpTypeImage
:
4035 case SpvOpTypeSampler
:
4036 case SpvOpTypeSampledImage
:
4037 case SpvOpTypeArray
:
4038 case SpvOpTypeRuntimeArray
:
4039 case SpvOpTypeStruct
:
4040 case SpvOpTypeOpaque
:
4041 case SpvOpTypePointer
:
4042 case SpvOpTypeForwardPointer
:
4043 case SpvOpTypeFunction
:
4044 case SpvOpTypeEvent
:
4045 case SpvOpTypeDeviceEvent
:
4046 case SpvOpTypeReserveId
:
4047 case SpvOpTypeQueue
:
4049 vtn_handle_type(b
, opcode
, w
, count
);
4052 case SpvOpConstantTrue
:
4053 case SpvOpConstantFalse
:
4055 case SpvOpConstantComposite
:
4056 case SpvOpConstantSampler
:
4057 case SpvOpConstantNull
:
4058 case SpvOpSpecConstantTrue
:
4059 case SpvOpSpecConstantFalse
:
4060 case SpvOpSpecConstant
:
4061 case SpvOpSpecConstantComposite
:
4062 case SpvOpSpecConstantOp
:
4063 vtn_handle_constant(b
, opcode
, w
, count
);
4068 vtn_handle_variables(b
, opcode
, w
, count
);
4072 return false; /* End of preamble */
4079 vtn_handle_body_instruction(struct vtn_builder
*b
, SpvOp opcode
,
4080 const uint32_t *w
, unsigned count
)
4086 case SpvOpLoopMerge
:
4087 case SpvOpSelectionMerge
:
4088 /* This is handled by cfg pre-pass and walk_blocks */
4092 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_undef
);
4093 val
->type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
4098 vtn_handle_extension(b
, opcode
, w
, count
);
4104 case SpvOpCopyMemory
:
4105 case SpvOpCopyMemorySized
:
4106 case SpvOpAccessChain
:
4107 case SpvOpPtrAccessChain
:
4108 case SpvOpInBoundsAccessChain
:
4109 case SpvOpInBoundsPtrAccessChain
:
4110 case SpvOpArrayLength
:
4111 case SpvOpConvertPtrToU
:
4112 case SpvOpConvertUToPtr
:
4113 vtn_handle_variables(b
, opcode
, w
, count
);
4116 case SpvOpFunctionCall
:
4117 vtn_handle_function_call(b
, opcode
, w
, count
);
4120 case SpvOpSampledImage
:
4122 case SpvOpImageSampleImplicitLod
:
4123 case SpvOpImageSampleExplicitLod
:
4124 case SpvOpImageSampleDrefImplicitLod
:
4125 case SpvOpImageSampleDrefExplicitLod
:
4126 case SpvOpImageSampleProjImplicitLod
:
4127 case SpvOpImageSampleProjExplicitLod
:
4128 case SpvOpImageSampleProjDrefImplicitLod
:
4129 case SpvOpImageSampleProjDrefExplicitLod
:
4130 case SpvOpImageFetch
:
4131 case SpvOpImageGather
:
4132 case SpvOpImageDrefGather
:
4133 case SpvOpImageQuerySizeLod
:
4134 case SpvOpImageQueryLod
:
4135 case SpvOpImageQueryLevels
:
4136 case SpvOpImageQuerySamples
:
4137 vtn_handle_texture(b
, opcode
, w
, count
);
4140 case SpvOpImageRead
:
4141 case SpvOpImageWrite
:
4142 case SpvOpImageTexelPointer
:
4143 vtn_handle_image(b
, opcode
, w
, count
);
4146 case SpvOpImageQuerySize
: {
4147 struct vtn_pointer
*image
=
4148 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
4149 if (glsl_type_is_image(image
->type
->type
)) {
4150 vtn_handle_image(b
, opcode
, w
, count
);
4152 vtn_assert(glsl_type_is_sampler(image
->type
->type
));
4153 vtn_handle_texture(b
, opcode
, w
, count
);
4158 case SpvOpAtomicLoad
:
4159 case SpvOpAtomicExchange
:
4160 case SpvOpAtomicCompareExchange
:
4161 case SpvOpAtomicCompareExchangeWeak
:
4162 case SpvOpAtomicIIncrement
:
4163 case SpvOpAtomicIDecrement
:
4164 case SpvOpAtomicIAdd
:
4165 case SpvOpAtomicISub
:
4166 case SpvOpAtomicSMin
:
4167 case SpvOpAtomicUMin
:
4168 case SpvOpAtomicSMax
:
4169 case SpvOpAtomicUMax
:
4170 case SpvOpAtomicAnd
:
4172 case SpvOpAtomicXor
: {
4173 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[3]);
4174 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
4175 vtn_handle_image(b
, opcode
, w
, count
);
4177 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
4178 vtn_handle_atomics(b
, opcode
, w
, count
);
4183 case SpvOpAtomicStore
: {
4184 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[1]);
4185 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
4186 vtn_handle_image(b
, opcode
, w
, count
);
4188 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
4189 vtn_handle_atomics(b
, opcode
, w
, count
);
4195 /* Handle OpSelect up-front here because it needs to be able to handle
4196 * pointers and not just regular vectors and scalars.
4198 struct vtn_value
*res_val
= vtn_untyped_value(b
, w
[2]);
4199 struct vtn_value
*sel_val
= vtn_untyped_value(b
, w
[3]);
4200 struct vtn_value
*obj1_val
= vtn_untyped_value(b
, w
[4]);
4201 struct vtn_value
*obj2_val
= vtn_untyped_value(b
, w
[5]);
4203 const struct glsl_type
*sel_type
;
4204 switch (res_val
->type
->base_type
) {
4205 case vtn_base_type_scalar
:
4206 sel_type
= glsl_bool_type();
4208 case vtn_base_type_vector
:
4209 sel_type
= glsl_vector_type(GLSL_TYPE_BOOL
, res_val
->type
->length
);
4211 case vtn_base_type_pointer
:
4212 /* We need to have actual storage for pointer types */
4213 vtn_fail_if(res_val
->type
->type
== NULL
,
4214 "Invalid pointer result type for OpSelect");
4215 sel_type
= glsl_bool_type();
4218 vtn_fail("Result type of OpSelect must be a scalar, vector, or pointer");
4221 if (unlikely(sel_val
->type
->type
!= sel_type
)) {
4222 if (sel_val
->type
->type
== glsl_bool_type()) {
4223 /* This case is illegal but some older versions of GLSLang produce
4224 * it. The GLSLang issue was fixed on March 30, 2017:
4226 * https://github.com/KhronosGroup/glslang/issues/809
4228 * Unfortunately, there are applications in the wild which are
4229 * shipping with this bug so it isn't nice to fail on them so we
4230 * throw a warning instead. It's not actually a problem for us as
4231 * nir_builder will just splat the condition out which is most
4232 * likely what the client wanted anyway.
4234 vtn_warn("Condition type of OpSelect must have the same number "
4235 "of components as Result Type");
4237 vtn_fail("Condition type of OpSelect must be a scalar or vector "
4238 "of Boolean type. It must have the same number of "
4239 "components as Result Type");
4243 vtn_fail_if(obj1_val
->type
!= res_val
->type
||
4244 obj2_val
->type
!= res_val
->type
,
4245 "Object types must match the result type in OpSelect");
4247 struct vtn_type
*res_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
4248 struct vtn_ssa_value
*ssa
= vtn_create_ssa_value(b
, res_type
->type
);
4249 ssa
->def
= nir_bcsel(&b
->nb
, vtn_ssa_value(b
, w
[3])->def
,
4250 vtn_ssa_value(b
, w
[4])->def
,
4251 vtn_ssa_value(b
, w
[5])->def
);
4252 vtn_push_ssa(b
, w
[2], res_type
, ssa
);
4261 case SpvOpConvertFToU
:
4262 case SpvOpConvertFToS
:
4263 case SpvOpConvertSToF
:
4264 case SpvOpConvertUToF
:
4268 case SpvOpQuantizeToF16
:
4269 case SpvOpPtrCastToGeneric
:
4270 case SpvOpGenericCastToPtr
:
4275 case SpvOpSignBitSet
:
4276 case SpvOpLessOrGreater
:
4278 case SpvOpUnordered
:
4293 case SpvOpVectorTimesScalar
:
4295 case SpvOpIAddCarry
:
4296 case SpvOpISubBorrow
:
4297 case SpvOpUMulExtended
:
4298 case SpvOpSMulExtended
:
4299 case SpvOpShiftRightLogical
:
4300 case SpvOpShiftRightArithmetic
:
4301 case SpvOpShiftLeftLogical
:
4302 case SpvOpLogicalEqual
:
4303 case SpvOpLogicalNotEqual
:
4304 case SpvOpLogicalOr
:
4305 case SpvOpLogicalAnd
:
4306 case SpvOpLogicalNot
:
4307 case SpvOpBitwiseOr
:
4308 case SpvOpBitwiseXor
:
4309 case SpvOpBitwiseAnd
:
4311 case SpvOpFOrdEqual
:
4312 case SpvOpFUnordEqual
:
4313 case SpvOpINotEqual
:
4314 case SpvOpFOrdNotEqual
:
4315 case SpvOpFUnordNotEqual
:
4316 case SpvOpULessThan
:
4317 case SpvOpSLessThan
:
4318 case SpvOpFOrdLessThan
:
4319 case SpvOpFUnordLessThan
:
4320 case SpvOpUGreaterThan
:
4321 case SpvOpSGreaterThan
:
4322 case SpvOpFOrdGreaterThan
:
4323 case SpvOpFUnordGreaterThan
:
4324 case SpvOpULessThanEqual
:
4325 case SpvOpSLessThanEqual
:
4326 case SpvOpFOrdLessThanEqual
:
4327 case SpvOpFUnordLessThanEqual
:
4328 case SpvOpUGreaterThanEqual
:
4329 case SpvOpSGreaterThanEqual
:
4330 case SpvOpFOrdGreaterThanEqual
:
4331 case SpvOpFUnordGreaterThanEqual
:
4337 case SpvOpFwidthFine
:
4338 case SpvOpDPdxCoarse
:
4339 case SpvOpDPdyCoarse
:
4340 case SpvOpFwidthCoarse
:
4341 case SpvOpBitFieldInsert
:
4342 case SpvOpBitFieldSExtract
:
4343 case SpvOpBitFieldUExtract
:
4344 case SpvOpBitReverse
:
4346 case SpvOpTranspose
:
4347 case SpvOpOuterProduct
:
4348 case SpvOpMatrixTimesScalar
:
4349 case SpvOpVectorTimesMatrix
:
4350 case SpvOpMatrixTimesVector
:
4351 case SpvOpMatrixTimesMatrix
:
4352 vtn_handle_alu(b
, opcode
, w
, count
);
4356 vtn_handle_bitcast(b
, w
, count
);
4359 case SpvOpVectorExtractDynamic
:
4360 case SpvOpVectorInsertDynamic
:
4361 case SpvOpVectorShuffle
:
4362 case SpvOpCompositeConstruct
:
4363 case SpvOpCompositeExtract
:
4364 case SpvOpCompositeInsert
:
4365 case SpvOpCopyObject
:
4366 vtn_handle_composite(b
, opcode
, w
, count
);
4369 case SpvOpEmitVertex
:
4370 case SpvOpEndPrimitive
:
4371 case SpvOpEmitStreamVertex
:
4372 case SpvOpEndStreamPrimitive
:
4373 case SpvOpControlBarrier
:
4374 case SpvOpMemoryBarrier
:
4375 vtn_handle_barrier(b
, opcode
, w
, count
);
4378 case SpvOpGroupNonUniformElect
:
4379 case SpvOpGroupNonUniformAll
:
4380 case SpvOpGroupNonUniformAny
:
4381 case SpvOpGroupNonUniformAllEqual
:
4382 case SpvOpGroupNonUniformBroadcast
:
4383 case SpvOpGroupNonUniformBroadcastFirst
:
4384 case SpvOpGroupNonUniformBallot
:
4385 case SpvOpGroupNonUniformInverseBallot
:
4386 case SpvOpGroupNonUniformBallotBitExtract
:
4387 case SpvOpGroupNonUniformBallotBitCount
:
4388 case SpvOpGroupNonUniformBallotFindLSB
:
4389 case SpvOpGroupNonUniformBallotFindMSB
:
4390 case SpvOpGroupNonUniformShuffle
:
4391 case SpvOpGroupNonUniformShuffleXor
:
4392 case SpvOpGroupNonUniformShuffleUp
:
4393 case SpvOpGroupNonUniformShuffleDown
:
4394 case SpvOpGroupNonUniformIAdd
:
4395 case SpvOpGroupNonUniformFAdd
:
4396 case SpvOpGroupNonUniformIMul
:
4397 case SpvOpGroupNonUniformFMul
:
4398 case SpvOpGroupNonUniformSMin
:
4399 case SpvOpGroupNonUniformUMin
:
4400 case SpvOpGroupNonUniformFMin
:
4401 case SpvOpGroupNonUniformSMax
:
4402 case SpvOpGroupNonUniformUMax
:
4403 case SpvOpGroupNonUniformFMax
:
4404 case SpvOpGroupNonUniformBitwiseAnd
:
4405 case SpvOpGroupNonUniformBitwiseOr
:
4406 case SpvOpGroupNonUniformBitwiseXor
:
4407 case SpvOpGroupNonUniformLogicalAnd
:
4408 case SpvOpGroupNonUniformLogicalOr
:
4409 case SpvOpGroupNonUniformLogicalXor
:
4410 case SpvOpGroupNonUniformQuadBroadcast
:
4411 case SpvOpGroupNonUniformQuadSwap
:
4412 vtn_handle_subgroup(b
, opcode
, w
, count
);
4416 vtn_fail_with_opcode("Unhandled opcode", opcode
);
4423 vtn_create_builder(const uint32_t *words
, size_t word_count
,
4424 gl_shader_stage stage
, const char *entry_point_name
,
4425 const struct spirv_to_nir_options
*options
)
4427 /* Initialize the vtn_builder object */
4428 struct vtn_builder
*b
= rzalloc(NULL
, struct vtn_builder
);
4429 struct spirv_to_nir_options
*dup_options
=
4430 ralloc(b
, struct spirv_to_nir_options
);
4431 *dup_options
= *options
;
4434 b
->spirv_word_count
= word_count
;
4438 exec_list_make_empty(&b
->functions
);
4439 b
->entry_point_stage
= stage
;
4440 b
->entry_point_name
= entry_point_name
;
4441 b
->options
= dup_options
;
4444 * Handle the SPIR-V header (first 5 dwords).
4445 * Can't use vtx_assert() as the setjmp(3) target isn't initialized yet.
4447 if (word_count
<= 5)
4450 if (words
[0] != SpvMagicNumber
) {
4451 vtn_err("words[0] was 0x%x, want 0x%x", words
[0], SpvMagicNumber
);
4454 if (words
[1] < 0x10000) {
4455 vtn_err("words[1] was 0x%x, want >= 0x10000", words
[1]);
4459 uint16_t generator_id
= words
[2] >> 16;
4460 uint16_t generator_version
= words
[2];
4462 /* The first GLSLang version bump actually 1.5 years after #179 was fixed
4463 * but this should at least let us shut the workaround off for modern
4464 * versions of GLSLang.
4466 b
->wa_glslang_179
= (generator_id
== 8 && generator_version
== 1);
4468 /* words[2] == generator magic */
4469 unsigned value_id_bound
= words
[3];
4470 if (words
[4] != 0) {
4471 vtn_err("words[4] was %u, want 0", words
[4]);
4475 b
->value_id_bound
= value_id_bound
;
4476 b
->values
= rzalloc_array(b
, struct vtn_value
, value_id_bound
);
4484 static nir_function
*
4485 vtn_emit_kernel_entry_point_wrapper(struct vtn_builder
*b
,
4486 nir_function
*entry_point
)
4488 vtn_assert(entry_point
== b
->entry_point
->func
->impl
->function
);
4489 vtn_fail_if(!entry_point
->name
, "entry points are required to have a name");
4490 const char *func_name
=
4491 ralloc_asprintf(b
->shader
, "__wrapped_%s", entry_point
->name
);
4493 /* we shouldn't have any inputs yet */
4494 vtn_assert(!entry_point
->shader
->num_inputs
);
4495 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_KERNEL
);
4497 nir_function
*main_entry_point
= nir_function_create(b
->shader
, func_name
);
4498 main_entry_point
->impl
= nir_function_impl_create(main_entry_point
);
4499 nir_builder_init(&b
->nb
, main_entry_point
->impl
);
4500 b
->nb
.cursor
= nir_after_cf_list(&main_entry_point
->impl
->body
);
4501 b
->func_param_idx
= 0;
4503 nir_call_instr
*call
= nir_call_instr_create(b
->nb
.shader
, entry_point
);
4505 for (unsigned i
= 0; i
< entry_point
->num_params
; ++i
) {
4506 struct vtn_type
*param_type
= b
->entry_point
->func
->type
->params
[i
];
4508 /* consider all pointers to function memory to be parameters passed
4511 bool is_by_val
= param_type
->base_type
== vtn_base_type_pointer
&&
4512 param_type
->storage_class
== SpvStorageClassFunction
;
4514 /* input variable */
4515 nir_variable
*in_var
= rzalloc(b
->nb
.shader
, nir_variable
);
4516 in_var
->data
.mode
= nir_var_shader_in
;
4517 in_var
->data
.read_only
= true;
4518 in_var
->data
.location
= i
;
4521 in_var
->type
= param_type
->deref
->type
;
4523 in_var
->type
= param_type
->type
;
4525 nir_shader_add_variable(b
->nb
.shader
, in_var
);
4526 b
->nb
.shader
->num_inputs
++;
4528 /* we have to copy the entire variable into function memory */
4530 nir_variable
*copy_var
=
4531 nir_local_variable_create(main_entry_point
->impl
, in_var
->type
,
4533 nir_copy_var(&b
->nb
, copy_var
, in_var
);
4535 nir_src_for_ssa(&nir_build_deref_var(&b
->nb
, copy_var
)->dest
.ssa
);
4537 call
->params
[i
] = nir_src_for_ssa(nir_load_var(&b
->nb
, in_var
));
4541 nir_builder_instr_insert(&b
->nb
, &call
->instr
);
4543 return main_entry_point
;
4547 spirv_to_nir(const uint32_t *words
, size_t word_count
,
4548 struct nir_spirv_specialization
*spec
, unsigned num_spec
,
4549 gl_shader_stage stage
, const char *entry_point_name
,
4550 const struct spirv_to_nir_options
*options
,
4551 const nir_shader_compiler_options
*nir_options
)
4554 const uint32_t *word_end
= words
+ word_count
;
4556 struct vtn_builder
*b
= vtn_create_builder(words
, word_count
,
4557 stage
, entry_point_name
,
4563 /* See also _vtn_fail() */
4564 if (setjmp(b
->fail_jump
)) {
4569 /* Skip the SPIR-V header, handled at vtn_create_builder */
4572 b
->shader
= nir_shader_create(b
, stage
, nir_options
, NULL
);
4574 /* Handle all the preamble instructions */
4575 words
= vtn_foreach_instruction(b
, words
, word_end
,
4576 vtn_handle_preamble_instruction
);
4578 if (b
->entry_point
== NULL
) {
4579 vtn_fail("Entry point not found");
4584 /* Set shader info defaults */
4585 b
->shader
->info
.gs
.invocations
= 1;
4587 b
->specializations
= spec
;
4588 b
->num_specializations
= num_spec
;
4590 /* Handle all variable, type, and constant instructions */
4591 words
= vtn_foreach_instruction(b
, words
, word_end
,
4592 vtn_handle_variable_or_type_instruction
);
4594 /* Parse execution modes */
4595 vtn_foreach_execution_mode(b
, b
->entry_point
,
4596 vtn_handle_execution_mode
, NULL
);
4598 if (b
->workgroup_size_builtin
) {
4599 vtn_assert(b
->workgroup_size_builtin
->type
->type
==
4600 glsl_vector_type(GLSL_TYPE_UINT
, 3));
4602 nir_const_value
*const_size
=
4603 b
->workgroup_size_builtin
->constant
->values
[0];
4605 b
->shader
->info
.cs
.local_size
[0] = const_size
[0].u32
;
4606 b
->shader
->info
.cs
.local_size
[1] = const_size
[1].u32
;
4607 b
->shader
->info
.cs
.local_size
[2] = const_size
[2].u32
;
4610 /* Set types on all vtn_values */
4611 vtn_foreach_instruction(b
, words
, word_end
, vtn_set_instruction_result_type
);
4613 vtn_build_cfg(b
, words
, word_end
);
4615 assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4616 b
->entry_point
->func
->referenced
= true;
4621 foreach_list_typed(struct vtn_function
, func
, node
, &b
->functions
) {
4622 if (func
->referenced
&& !func
->emitted
) {
4623 b
->const_table
= _mesa_pointer_hash_table_create(b
);
4625 vtn_function_emit(b
, func
, vtn_handle_body_instruction
);
4631 vtn_assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4632 nir_function
*entry_point
= b
->entry_point
->func
->impl
->function
;
4633 vtn_assert(entry_point
);
4635 /* post process entry_points with input params */
4636 if (entry_point
->num_params
&& b
->shader
->info
.stage
== MESA_SHADER_KERNEL
)
4637 entry_point
= vtn_emit_kernel_entry_point_wrapper(b
, entry_point
);
4639 entry_point
->is_entrypoint
= true;
4641 /* When multiple shader stages exist in the same SPIR-V module, we
4642 * generate input and output variables for every stage, in the same
4643 * NIR program. These dead variables can be invalid NIR. For example,
4644 * TCS outputs must be per-vertex arrays (or decorated 'patch'), while
4645 * VS output variables wouldn't be.
4647 * To ensure we have valid NIR, we eliminate any dead inputs and outputs
4648 * right away. In order to do so, we must lower any constant initializers
4649 * on outputs so nir_remove_dead_variables sees that they're written to.
4651 nir_lower_constant_initializers(b
->shader
, nir_var_shader_out
);
4652 nir_remove_dead_variables(b
->shader
,
4653 nir_var_shader_in
| nir_var_shader_out
);
4655 /* We sometimes generate bogus derefs that, while never used, give the
4656 * validator a bit of heartburn. Run dead code to get rid of them.
4658 nir_opt_dce(b
->shader
);
4660 /* Unparent the shader from the vtn_builder before we delete the builder */
4661 ralloc_steal(NULL
, b
->shader
);