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
,
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 columns
= glsl_get_matrix_columns(val
->type
);
247 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, columns
);
248 const struct glsl_type
*column_type
= glsl_get_column_type(val
->type
);
249 for (unsigned i
= 0; i
< columns
; i
++)
250 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
256 case GLSL_TYPE_ARRAY
: {
257 unsigned elems
= glsl_get_length(val
->type
);
258 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
259 const struct glsl_type
*elem_type
= glsl_get_array_element(val
->type
);
260 for (unsigned i
= 0; i
< elems
; i
++)
261 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
266 case GLSL_TYPE_STRUCT
: {
267 unsigned elems
= glsl_get_length(val
->type
);
268 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
269 for (unsigned i
= 0; i
< elems
; i
++) {
270 const struct glsl_type
*elem_type
=
271 glsl_get_struct_field(val
->type
, i
);
272 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
279 vtn_fail("bad constant type");
285 struct vtn_ssa_value
*
286 vtn_ssa_value(struct vtn_builder
*b
, uint32_t value_id
)
288 struct vtn_value
*val
= vtn_untyped_value(b
, value_id
);
289 switch (val
->value_type
) {
290 case vtn_value_type_undef
:
291 return vtn_undef_ssa_value(b
, val
->type
->type
);
293 case vtn_value_type_constant
:
294 return vtn_const_ssa_value(b
, val
->constant
, val
->type
->type
);
296 case vtn_value_type_ssa
:
299 case vtn_value_type_pointer
:
300 vtn_assert(val
->pointer
->ptr_type
&& val
->pointer
->ptr_type
->type
);
301 struct vtn_ssa_value
*ssa
=
302 vtn_create_ssa_value(b
, val
->pointer
->ptr_type
->type
);
303 ssa
->def
= vtn_pointer_to_ssa(b
, val
->pointer
);
307 vtn_fail("Invalid type for an SSA value");
312 vtn_string_literal(struct vtn_builder
*b
, const uint32_t *words
,
313 unsigned word_count
, unsigned *words_used
)
315 char *dup
= ralloc_strndup(b
, (char *)words
, word_count
* sizeof(*words
));
317 /* Ammount of space taken by the string (including the null) */
318 unsigned len
= strlen(dup
) + 1;
319 *words_used
= DIV_ROUND_UP(len
, sizeof(*words
));
325 vtn_foreach_instruction(struct vtn_builder
*b
, const uint32_t *start
,
326 const uint32_t *end
, vtn_instruction_handler handler
)
332 const uint32_t *w
= start
;
334 SpvOp opcode
= w
[0] & SpvOpCodeMask
;
335 unsigned count
= w
[0] >> SpvWordCountShift
;
336 vtn_assert(count
>= 1 && w
+ count
<= end
);
338 b
->spirv_offset
= (uint8_t *)w
- (uint8_t *)b
->spirv
;
342 break; /* Do nothing */
345 b
->file
= vtn_value(b
, w
[1], vtn_value_type_string
)->str
;
357 if (!handler(b
, opcode
, w
, count
))
375 vtn_handle_extension(struct vtn_builder
*b
, SpvOp opcode
,
376 const uint32_t *w
, unsigned count
)
378 const char *ext
= (const char *)&w
[2];
380 case SpvOpExtInstImport
: {
381 struct vtn_value
*val
= vtn_push_value(b
, w
[1], vtn_value_type_extension
);
382 if (strcmp(ext
, "GLSL.std.450") == 0) {
383 val
->ext_handler
= vtn_handle_glsl450_instruction
;
384 } else if ((strcmp(ext
, "SPV_AMD_gcn_shader") == 0)
385 && (b
->options
&& b
->options
->caps
.amd_gcn_shader
)) {
386 val
->ext_handler
= vtn_handle_amd_gcn_shader_instruction
;
387 } else if ((strcmp(ext
, "SPV_AMD_shader_ballot") == 0)
388 && (b
->options
&& b
->options
->caps
.amd_shader_ballot
)) {
389 val
->ext_handler
= vtn_handle_amd_shader_ballot_instruction
;
390 } else if ((strcmp(ext
, "SPV_AMD_shader_trinary_minmax") == 0)
391 && (b
->options
&& b
->options
->caps
.amd_trinary_minmax
)) {
392 val
->ext_handler
= vtn_handle_amd_shader_trinary_minmax_instruction
;
393 } else if (strcmp(ext
, "OpenCL.std") == 0) {
394 val
->ext_handler
= vtn_handle_opencl_instruction
;
396 vtn_fail("Unsupported extension: %s", ext
);
402 struct vtn_value
*val
= vtn_value(b
, w
[3], vtn_value_type_extension
);
403 bool handled
= val
->ext_handler(b
, w
[4], w
, count
);
409 vtn_fail_with_opcode("Unhandled opcode", opcode
);
414 _foreach_decoration_helper(struct vtn_builder
*b
,
415 struct vtn_value
*base_value
,
417 struct vtn_value
*value
,
418 vtn_decoration_foreach_cb cb
, void *data
)
420 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
422 if (dec
->scope
== VTN_DEC_DECORATION
) {
423 member
= parent_member
;
424 } else if (dec
->scope
>= VTN_DEC_STRUCT_MEMBER0
) {
425 vtn_fail_if(value
->value_type
!= vtn_value_type_type
||
426 value
->type
->base_type
!= vtn_base_type_struct
,
427 "OpMemberDecorate and OpGroupMemberDecorate are only "
428 "allowed on OpTypeStruct");
429 /* This means we haven't recursed yet */
430 assert(value
== base_value
);
432 member
= dec
->scope
- VTN_DEC_STRUCT_MEMBER0
;
434 vtn_fail_if(member
>= base_value
->type
->length
,
435 "OpMemberDecorate specifies member %d but the "
436 "OpTypeStruct has only %u members",
437 member
, base_value
->type
->length
);
439 /* Not a decoration */
440 assert(dec
->scope
== VTN_DEC_EXECUTION_MODE
);
445 assert(dec
->group
->value_type
== vtn_value_type_decoration_group
);
446 _foreach_decoration_helper(b
, base_value
, member
, dec
->group
,
449 cb(b
, base_value
, member
, dec
, data
);
454 /** Iterates (recursively if needed) over all of the decorations on a value
456 * This function iterates over all of the decorations applied to a given
457 * value. If it encounters a decoration group, it recurses into the group
458 * and iterates over all of those decorations as well.
461 vtn_foreach_decoration(struct vtn_builder
*b
, struct vtn_value
*value
,
462 vtn_decoration_foreach_cb cb
, void *data
)
464 _foreach_decoration_helper(b
, value
, -1, value
, cb
, data
);
468 vtn_foreach_execution_mode(struct vtn_builder
*b
, struct vtn_value
*value
,
469 vtn_execution_mode_foreach_cb cb
, void *data
)
471 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
472 if (dec
->scope
!= VTN_DEC_EXECUTION_MODE
)
475 assert(dec
->group
== NULL
);
476 cb(b
, value
, dec
, data
);
481 vtn_handle_decoration(struct vtn_builder
*b
, SpvOp opcode
,
482 const uint32_t *w
, unsigned count
)
484 const uint32_t *w_end
= w
+ count
;
485 const uint32_t target
= w
[1];
489 case SpvOpDecorationGroup
:
490 vtn_push_value(b
, target
, vtn_value_type_decoration_group
);
494 case SpvOpDecorateId
:
495 case SpvOpMemberDecorate
:
496 case SpvOpDecorateString
:
497 case SpvOpMemberDecorateString
:
498 case SpvOpExecutionMode
:
499 case SpvOpExecutionModeId
: {
500 struct vtn_value
*val
= vtn_untyped_value(b
, target
);
502 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
505 case SpvOpDecorateId
:
506 case SpvOpDecorateString
:
507 dec
->scope
= VTN_DEC_DECORATION
;
509 case SpvOpMemberDecorate
:
510 case SpvOpMemberDecorateString
:
511 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(w
++);
512 vtn_fail_if(dec
->scope
< VTN_DEC_STRUCT_MEMBER0
, /* overflow */
513 "Member argument of OpMemberDecorate too large");
515 case SpvOpExecutionMode
:
516 case SpvOpExecutionModeId
:
517 dec
->scope
= VTN_DEC_EXECUTION_MODE
;
520 unreachable("Invalid decoration opcode");
522 dec
->decoration
= *(w
++);
525 /* Link into the list */
526 dec
->next
= val
->decoration
;
527 val
->decoration
= dec
;
531 case SpvOpGroupMemberDecorate
:
532 case SpvOpGroupDecorate
: {
533 struct vtn_value
*group
=
534 vtn_value(b
, target
, vtn_value_type_decoration_group
);
536 for (; w
< w_end
; w
++) {
537 struct vtn_value
*val
= vtn_untyped_value(b
, *w
);
538 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
541 if (opcode
== SpvOpGroupDecorate
) {
542 dec
->scope
= VTN_DEC_DECORATION
;
544 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(++w
);
545 vtn_fail_if(dec
->scope
< 0, /* Check for overflow */
546 "Member argument of OpGroupMemberDecorate too large");
549 /* Link into the list */
550 dec
->next
= val
->decoration
;
551 val
->decoration
= dec
;
557 unreachable("Unhandled opcode");
561 struct member_decoration_ctx
{
563 struct glsl_struct_field
*fields
;
564 struct vtn_type
*type
;
568 * Returns true if the given type contains a struct decorated Block or
572 vtn_type_contains_block(struct vtn_builder
*b
, struct vtn_type
*type
)
574 switch (type
->base_type
) {
575 case vtn_base_type_array
:
576 return vtn_type_contains_block(b
, type
->array_element
);
577 case vtn_base_type_struct
:
578 if (type
->block
|| type
->buffer_block
)
580 for (unsigned i
= 0; i
< type
->length
; i
++) {
581 if (vtn_type_contains_block(b
, type
->members
[i
]))
590 /** Returns true if two types are "compatible", i.e. you can do an OpLoad,
591 * OpStore, or OpCopyMemory between them without breaking anything.
592 * Technically, the SPIR-V rules require the exact same type ID but this lets
593 * us internally be a bit looser.
596 vtn_types_compatible(struct vtn_builder
*b
,
597 struct vtn_type
*t1
, struct vtn_type
*t2
)
599 if (t1
->id
== t2
->id
)
602 if (t1
->base_type
!= t2
->base_type
)
605 switch (t1
->base_type
) {
606 case vtn_base_type_void
:
607 case vtn_base_type_scalar
:
608 case vtn_base_type_vector
:
609 case vtn_base_type_matrix
:
610 case vtn_base_type_image
:
611 case vtn_base_type_sampler
:
612 case vtn_base_type_sampled_image
:
613 return t1
->type
== t2
->type
;
615 case vtn_base_type_array
:
616 return t1
->length
== t2
->length
&&
617 vtn_types_compatible(b
, t1
->array_element
, t2
->array_element
);
619 case vtn_base_type_pointer
:
620 return vtn_types_compatible(b
, t1
->deref
, t2
->deref
);
622 case vtn_base_type_struct
:
623 if (t1
->length
!= t2
->length
)
626 for (unsigned i
= 0; i
< t1
->length
; i
++) {
627 if (!vtn_types_compatible(b
, t1
->members
[i
], t2
->members
[i
]))
632 case vtn_base_type_function
:
633 /* This case shouldn't get hit since you can't copy around function
634 * types. Just require them to be identical.
639 vtn_fail("Invalid base type");
643 vtn_type_without_array(struct vtn_type
*type
)
645 while (type
->base_type
== vtn_base_type_array
)
646 type
= type
->array_element
;
650 /* does a shallow copy of a vtn_type */
652 static struct vtn_type
*
653 vtn_type_copy(struct vtn_builder
*b
, struct vtn_type
*src
)
655 struct vtn_type
*dest
= ralloc(b
, struct vtn_type
);
658 switch (src
->base_type
) {
659 case vtn_base_type_void
:
660 case vtn_base_type_scalar
:
661 case vtn_base_type_vector
:
662 case vtn_base_type_matrix
:
663 case vtn_base_type_array
:
664 case vtn_base_type_pointer
:
665 case vtn_base_type_image
:
666 case vtn_base_type_sampler
:
667 case vtn_base_type_sampled_image
:
668 /* Nothing more to do */
671 case vtn_base_type_struct
:
672 dest
->members
= ralloc_array(b
, struct vtn_type
*, src
->length
);
673 memcpy(dest
->members
, src
->members
,
674 src
->length
* sizeof(src
->members
[0]));
676 dest
->offsets
= ralloc_array(b
, unsigned, src
->length
);
677 memcpy(dest
->offsets
, src
->offsets
,
678 src
->length
* sizeof(src
->offsets
[0]));
681 case vtn_base_type_function
:
682 dest
->params
= ralloc_array(b
, struct vtn_type
*, src
->length
);
683 memcpy(dest
->params
, src
->params
, src
->length
* sizeof(src
->params
[0]));
690 static struct vtn_type
*
691 mutable_matrix_member(struct vtn_builder
*b
, struct vtn_type
*type
, int member
)
693 type
->members
[member
] = vtn_type_copy(b
, type
->members
[member
]);
694 type
= type
->members
[member
];
696 /* We may have an array of matrices.... Oh, joy! */
697 while (glsl_type_is_array(type
->type
)) {
698 type
->array_element
= vtn_type_copy(b
, type
->array_element
);
699 type
= type
->array_element
;
702 vtn_assert(glsl_type_is_matrix(type
->type
));
708 vtn_handle_access_qualifier(struct vtn_builder
*b
, struct vtn_type
*type
,
709 int member
, enum gl_access_qualifier access
)
711 type
->members
[member
] = vtn_type_copy(b
, type
->members
[member
]);
712 type
= type
->members
[member
];
714 type
->access
|= access
;
718 array_stride_decoration_cb(struct vtn_builder
*b
,
719 struct vtn_value
*val
, int member
,
720 const struct vtn_decoration
*dec
, void *void_ctx
)
722 struct vtn_type
*type
= val
->type
;
724 if (dec
->decoration
== SpvDecorationArrayStride
) {
725 if (vtn_type_contains_block(b
, type
)) {
726 vtn_warn("The ArrayStride decoration cannot be applied to an array "
727 "type which contains a structure type decorated Block "
729 /* Ignore the decoration */
731 vtn_fail_if(dec
->operands
[0] == 0, "ArrayStride must be non-zero");
732 type
->stride
= dec
->operands
[0];
738 struct_member_decoration_cb(struct vtn_builder
*b
,
739 struct vtn_value
*val
, int member
,
740 const struct vtn_decoration
*dec
, void *void_ctx
)
742 struct member_decoration_ctx
*ctx
= void_ctx
;
747 assert(member
< ctx
->num_fields
);
749 switch (dec
->decoration
) {
750 case SpvDecorationRelaxedPrecision
:
751 case SpvDecorationUniform
:
752 case SpvDecorationUniformId
:
753 break; /* FIXME: Do nothing with this for now. */
754 case SpvDecorationNonWritable
:
755 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_NON_WRITEABLE
);
757 case SpvDecorationNonReadable
:
758 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_NON_READABLE
);
760 case SpvDecorationVolatile
:
761 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_VOLATILE
);
763 case SpvDecorationCoherent
:
764 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_COHERENT
);
766 case SpvDecorationNoPerspective
:
767 ctx
->fields
[member
].interpolation
= INTERP_MODE_NOPERSPECTIVE
;
769 case SpvDecorationFlat
:
770 ctx
->fields
[member
].interpolation
= INTERP_MODE_FLAT
;
772 case SpvDecorationCentroid
:
773 ctx
->fields
[member
].centroid
= true;
775 case SpvDecorationSample
:
776 ctx
->fields
[member
].sample
= true;
778 case SpvDecorationStream
:
779 /* Vulkan only allows one GS stream */
780 vtn_assert(dec
->operands
[0] == 0);
782 case SpvDecorationLocation
:
783 ctx
->fields
[member
].location
= dec
->operands
[0];
785 case SpvDecorationComponent
:
786 break; /* FIXME: What should we do with these? */
787 case SpvDecorationBuiltIn
:
788 ctx
->type
->members
[member
] = vtn_type_copy(b
, ctx
->type
->members
[member
]);
789 ctx
->type
->members
[member
]->is_builtin
= true;
790 ctx
->type
->members
[member
]->builtin
= dec
->operands
[0];
791 ctx
->type
->builtin_block
= true;
793 case SpvDecorationOffset
:
794 ctx
->type
->offsets
[member
] = dec
->operands
[0];
795 ctx
->fields
[member
].offset
= dec
->operands
[0];
797 case SpvDecorationMatrixStride
:
798 /* Handled as a second pass */
800 case SpvDecorationColMajor
:
801 break; /* Nothing to do here. Column-major is the default. */
802 case SpvDecorationRowMajor
:
803 mutable_matrix_member(b
, ctx
->type
, member
)->row_major
= true;
806 case SpvDecorationPatch
:
809 case SpvDecorationSpecId
:
810 case SpvDecorationBlock
:
811 case SpvDecorationBufferBlock
:
812 case SpvDecorationArrayStride
:
813 case SpvDecorationGLSLShared
:
814 case SpvDecorationGLSLPacked
:
815 case SpvDecorationInvariant
:
816 case SpvDecorationRestrict
:
817 case SpvDecorationAliased
:
818 case SpvDecorationConstant
:
819 case SpvDecorationIndex
:
820 case SpvDecorationBinding
:
821 case SpvDecorationDescriptorSet
:
822 case SpvDecorationLinkageAttributes
:
823 case SpvDecorationNoContraction
:
824 case SpvDecorationInputAttachmentIndex
:
825 vtn_warn("Decoration not allowed on struct members: %s",
826 spirv_decoration_to_string(dec
->decoration
));
829 case SpvDecorationXfbBuffer
:
830 case SpvDecorationXfbStride
:
831 vtn_warn("Vulkan does not have transform feedback");
834 case SpvDecorationCPacked
:
835 if (b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
)
836 vtn_warn("Decoration only allowed for CL-style kernels: %s",
837 spirv_decoration_to_string(dec
->decoration
));
839 ctx
->type
->packed
= true;
842 case SpvDecorationSaturatedConversion
:
843 case SpvDecorationFuncParamAttr
:
844 case SpvDecorationFPRoundingMode
:
845 case SpvDecorationFPFastMathMode
:
846 case SpvDecorationAlignment
:
847 if (b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
) {
848 vtn_warn("Decoration only allowed for CL-style kernels: %s",
849 spirv_decoration_to_string(dec
->decoration
));
853 case SpvDecorationUserSemantic
:
854 /* User semantic decorations can safely be ignored by the driver. */
858 vtn_fail_with_decoration("Unhandled decoration", dec
->decoration
);
862 /** Chases the array type all the way down to the tail and rewrites the
863 * glsl_types to be based off the tail's glsl_type.
866 vtn_array_type_rewrite_glsl_type(struct vtn_type
*type
)
868 if (type
->base_type
!= vtn_base_type_array
)
871 vtn_array_type_rewrite_glsl_type(type
->array_element
);
873 type
->type
= glsl_array_type(type
->array_element
->type
,
874 type
->length
, type
->stride
);
877 /* Matrix strides are handled as a separate pass because we need to know
878 * whether the matrix is row-major or not first.
881 struct_member_matrix_stride_cb(struct vtn_builder
*b
,
882 struct vtn_value
*val
, int member
,
883 const struct vtn_decoration
*dec
,
886 if (dec
->decoration
!= SpvDecorationMatrixStride
)
889 vtn_fail_if(member
< 0,
890 "The MatrixStride decoration is only allowed on members "
892 vtn_fail_if(dec
->operands
[0] == 0, "MatrixStride must be non-zero");
894 struct member_decoration_ctx
*ctx
= void_ctx
;
896 struct vtn_type
*mat_type
= mutable_matrix_member(b
, ctx
->type
, member
);
897 if (mat_type
->row_major
) {
898 mat_type
->array_element
= vtn_type_copy(b
, mat_type
->array_element
);
899 mat_type
->stride
= mat_type
->array_element
->stride
;
900 mat_type
->array_element
->stride
= dec
->operands
[0];
902 mat_type
->type
= glsl_explicit_matrix_type(mat_type
->type
,
903 dec
->operands
[0], true);
904 mat_type
->array_element
->type
= glsl_get_column_type(mat_type
->type
);
906 vtn_assert(mat_type
->array_element
->stride
> 0);
907 mat_type
->stride
= dec
->operands
[0];
909 mat_type
->type
= glsl_explicit_matrix_type(mat_type
->type
,
910 dec
->operands
[0], false);
913 /* Now that we've replaced the glsl_type with a properly strided matrix
914 * type, rewrite the member type so that it's an array of the proper kind
917 vtn_array_type_rewrite_glsl_type(ctx
->type
->members
[member
]);
918 ctx
->fields
[member
].type
= ctx
->type
->members
[member
]->type
;
922 struct_block_decoration_cb(struct vtn_builder
*b
,
923 struct vtn_value
*val
, int member
,
924 const struct vtn_decoration
*dec
, void *ctx
)
929 struct vtn_type
*type
= val
->type
;
930 if (dec
->decoration
== SpvDecorationBlock
)
932 else if (dec
->decoration
== SpvDecorationBufferBlock
)
933 type
->buffer_block
= true;
937 type_decoration_cb(struct vtn_builder
*b
,
938 struct vtn_value
*val
, int member
,
939 const struct vtn_decoration
*dec
, void *ctx
)
941 struct vtn_type
*type
= val
->type
;
944 /* This should have been handled by OpTypeStruct */
945 assert(val
->type
->base_type
== vtn_base_type_struct
);
946 assert(member
>= 0 && member
< val
->type
->length
);
950 switch (dec
->decoration
) {
951 case SpvDecorationArrayStride
:
952 vtn_assert(type
->base_type
== vtn_base_type_array
||
953 type
->base_type
== vtn_base_type_pointer
);
955 case SpvDecorationBlock
:
956 vtn_assert(type
->base_type
== vtn_base_type_struct
);
957 vtn_assert(type
->block
);
959 case SpvDecorationBufferBlock
:
960 vtn_assert(type
->base_type
== vtn_base_type_struct
);
961 vtn_assert(type
->buffer_block
);
963 case SpvDecorationGLSLShared
:
964 case SpvDecorationGLSLPacked
:
965 /* Ignore these, since we get explicit offsets anyways */
968 case SpvDecorationRowMajor
:
969 case SpvDecorationColMajor
:
970 case SpvDecorationMatrixStride
:
971 case SpvDecorationBuiltIn
:
972 case SpvDecorationNoPerspective
:
973 case SpvDecorationFlat
:
974 case SpvDecorationPatch
:
975 case SpvDecorationCentroid
:
976 case SpvDecorationSample
:
977 case SpvDecorationVolatile
:
978 case SpvDecorationCoherent
:
979 case SpvDecorationNonWritable
:
980 case SpvDecorationNonReadable
:
981 case SpvDecorationUniform
:
982 case SpvDecorationUniformId
:
983 case SpvDecorationLocation
:
984 case SpvDecorationComponent
:
985 case SpvDecorationOffset
:
986 case SpvDecorationXfbBuffer
:
987 case SpvDecorationXfbStride
:
988 case SpvDecorationUserSemantic
:
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
);
1090 vtn_handle_type(struct vtn_builder
*b
, SpvOp opcode
,
1091 const uint32_t *w
, unsigned count
)
1093 struct vtn_value
*val
= NULL
;
1095 /* In order to properly handle forward declarations, we have to defer
1096 * allocation for pointer types.
1098 if (opcode
!= SpvOpTypePointer
&& opcode
!= SpvOpTypeForwardPointer
) {
1099 val
= vtn_push_value(b
, w
[1], vtn_value_type_type
);
1100 vtn_fail_if(val
->type
!= NULL
,
1101 "Only pointers can have forward declarations");
1102 val
->type
= rzalloc(b
, struct vtn_type
);
1103 val
->type
->id
= w
[1];
1108 val
->type
->base_type
= vtn_base_type_void
;
1109 val
->type
->type
= glsl_void_type();
1112 val
->type
->base_type
= vtn_base_type_scalar
;
1113 val
->type
->type
= glsl_bool_type();
1114 val
->type
->length
= 1;
1116 case SpvOpTypeInt
: {
1117 int bit_size
= w
[2];
1118 const bool signedness
= w
[3];
1119 val
->type
->base_type
= vtn_base_type_scalar
;
1122 val
->type
->type
= (signedness
? glsl_int64_t_type() : glsl_uint64_t_type());
1125 val
->type
->type
= (signedness
? glsl_int_type() : glsl_uint_type());
1128 val
->type
->type
= (signedness
? glsl_int16_t_type() : glsl_uint16_t_type());
1131 val
->type
->type
= (signedness
? glsl_int8_t_type() : glsl_uint8_t_type());
1134 vtn_fail("Invalid int bit size: %u", bit_size
);
1136 val
->type
->length
= 1;
1140 case SpvOpTypeFloat
: {
1141 int bit_size
= w
[2];
1142 val
->type
->base_type
= vtn_base_type_scalar
;
1145 val
->type
->type
= glsl_float16_t_type();
1148 val
->type
->type
= glsl_float_type();
1151 val
->type
->type
= glsl_double_type();
1154 vtn_fail("Invalid float bit size: %u", bit_size
);
1156 val
->type
->length
= 1;
1160 case SpvOpTypeVector
: {
1161 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1162 unsigned elems
= w
[3];
1164 vtn_fail_if(base
->base_type
!= vtn_base_type_scalar
,
1165 "Base type for OpTypeVector must be a scalar");
1166 vtn_fail_if((elems
< 2 || elems
> 4) && (elems
!= 8) && (elems
!= 16),
1167 "Invalid component count for OpTypeVector");
1169 val
->type
->base_type
= vtn_base_type_vector
;
1170 val
->type
->type
= glsl_vector_type(glsl_get_base_type(base
->type
), elems
);
1171 val
->type
->length
= elems
;
1172 val
->type
->stride
= glsl_type_is_boolean(val
->type
->type
)
1173 ? 4 : glsl_get_bit_size(base
->type
) / 8;
1174 val
->type
->array_element
= base
;
1178 case SpvOpTypeMatrix
: {
1179 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1180 unsigned columns
= w
[3];
1182 vtn_fail_if(base
->base_type
!= vtn_base_type_vector
,
1183 "Base type for OpTypeMatrix must be a vector");
1184 vtn_fail_if(columns
< 2 || columns
> 4,
1185 "Invalid column count for OpTypeMatrix");
1187 val
->type
->base_type
= vtn_base_type_matrix
;
1188 val
->type
->type
= glsl_matrix_type(glsl_get_base_type(base
->type
),
1189 glsl_get_vector_elements(base
->type
),
1191 vtn_fail_if(glsl_type_is_error(val
->type
->type
),
1192 "Unsupported base type for OpTypeMatrix");
1193 assert(!glsl_type_is_error(val
->type
->type
));
1194 val
->type
->length
= columns
;
1195 val
->type
->array_element
= base
;
1196 val
->type
->row_major
= false;
1197 val
->type
->stride
= 0;
1201 case SpvOpTypeRuntimeArray
:
1202 case SpvOpTypeArray
: {
1203 struct vtn_type
*array_element
=
1204 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1206 if (opcode
== SpvOpTypeRuntimeArray
) {
1207 /* A length of 0 is used to denote unsized arrays */
1208 val
->type
->length
= 0;
1210 val
->type
->length
= vtn_constant_uint(b
, w
[3]);
1213 val
->type
->base_type
= vtn_base_type_array
;
1214 val
->type
->array_element
= array_element
;
1215 if (b
->shader
->info
.stage
== MESA_SHADER_KERNEL
)
1216 val
->type
->stride
= glsl_get_cl_size(array_element
->type
);
1218 vtn_foreach_decoration(b
, val
, array_stride_decoration_cb
, NULL
);
1219 val
->type
->type
= glsl_array_type(array_element
->type
, val
->type
->length
,
1224 case SpvOpTypeStruct
: {
1225 unsigned num_fields
= count
- 2;
1226 val
->type
->base_type
= vtn_base_type_struct
;
1227 val
->type
->length
= num_fields
;
1228 val
->type
->members
= ralloc_array(b
, struct vtn_type
*, num_fields
);
1229 val
->type
->offsets
= ralloc_array(b
, unsigned, num_fields
);
1230 val
->type
->packed
= false;
1232 NIR_VLA(struct glsl_struct_field
, fields
, count
);
1233 for (unsigned i
= 0; i
< num_fields
; i
++) {
1234 val
->type
->members
[i
] =
1235 vtn_value(b
, w
[i
+ 2], vtn_value_type_type
)->type
;
1236 fields
[i
] = (struct glsl_struct_field
) {
1237 .type
= val
->type
->members
[i
]->type
,
1238 .name
= ralloc_asprintf(b
, "field%d", i
),
1244 if (b
->shader
->info
.stage
== MESA_SHADER_KERNEL
) {
1245 unsigned offset
= 0;
1246 for (unsigned i
= 0; i
< num_fields
; i
++) {
1247 offset
= align(offset
, glsl_get_cl_alignment(fields
[i
].type
));
1248 fields
[i
].offset
= offset
;
1249 offset
+= glsl_get_cl_size(fields
[i
].type
);
1253 struct member_decoration_ctx ctx
= {
1254 .num_fields
= num_fields
,
1259 vtn_foreach_decoration(b
, val
, struct_member_decoration_cb
, &ctx
);
1260 vtn_foreach_decoration(b
, val
, struct_member_matrix_stride_cb
, &ctx
);
1262 vtn_foreach_decoration(b
, val
, struct_block_decoration_cb
, NULL
);
1264 const char *name
= val
->name
;
1266 if (val
->type
->block
|| val
->type
->buffer_block
) {
1267 /* Packing will be ignored since types coming from SPIR-V are
1268 * explicitly laid out.
1270 val
->type
->type
= glsl_interface_type(fields
, num_fields
,
1271 /* packing */ 0, false,
1272 name
? name
: "block");
1274 val
->type
->type
= glsl_struct_type(fields
, num_fields
,
1275 name
? name
: "struct", false);
1280 case SpvOpTypeFunction
: {
1281 val
->type
->base_type
= vtn_base_type_function
;
1282 val
->type
->type
= NULL
;
1284 val
->type
->return_type
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1286 const unsigned num_params
= count
- 3;
1287 val
->type
->length
= num_params
;
1288 val
->type
->params
= ralloc_array(b
, struct vtn_type
*, num_params
);
1289 for (unsigned i
= 0; i
< count
- 3; i
++) {
1290 val
->type
->params
[i
] =
1291 vtn_value(b
, w
[i
+ 3], vtn_value_type_type
)->type
;
1296 case SpvOpTypePointer
:
1297 case SpvOpTypeForwardPointer
: {
1298 /* We can't blindly push the value because it might be a forward
1301 val
= vtn_untyped_value(b
, w
[1]);
1303 SpvStorageClass storage_class
= w
[2];
1305 if (val
->value_type
== vtn_value_type_invalid
) {
1306 val
->value_type
= vtn_value_type_type
;
1307 val
->type
= rzalloc(b
, struct vtn_type
);
1308 val
->type
->id
= w
[1];
1309 val
->type
->base_type
= vtn_base_type_pointer
;
1310 val
->type
->storage_class
= storage_class
;
1312 /* These can actually be stored to nir_variables and used as SSA
1313 * values so they need a real glsl_type.
1315 enum vtn_variable_mode mode
= vtn_storage_class_to_mode(
1316 b
, storage_class
, NULL
, NULL
);
1317 val
->type
->type
= nir_address_format_to_glsl_type(
1318 vtn_mode_to_address_format(b
, mode
));
1320 vtn_fail_if(val
->type
->storage_class
!= storage_class
,
1321 "The storage classes of an OpTypePointer and any "
1322 "OpTypeForwardPointers that provide forward "
1323 "declarations of it must match.");
1326 if (opcode
== SpvOpTypePointer
) {
1327 vtn_fail_if(val
->type
->deref
!= NULL
,
1328 "While OpTypeForwardPointer can be used to provide a "
1329 "forward declaration of a pointer, OpTypePointer can "
1330 "only be used once for a given id.");
1332 val
->type
->deref
= vtn_value(b
, w
[3], vtn_value_type_type
)->type
;
1334 /* Only certain storage classes use ArrayStride. The others (in
1335 * particular Workgroup) are expected to be laid out by the driver.
1337 switch (storage_class
) {
1338 case SpvStorageClassUniform
:
1339 case SpvStorageClassPushConstant
:
1340 case SpvStorageClassStorageBuffer
:
1341 case SpvStorageClassPhysicalStorageBufferEXT
:
1342 vtn_foreach_decoration(b
, val
, array_stride_decoration_cb
, NULL
);
1345 /* Nothing to do. */
1349 if (b
->physical_ptrs
) {
1350 switch (storage_class
) {
1351 case SpvStorageClassFunction
:
1352 case SpvStorageClassWorkgroup
:
1353 case SpvStorageClassCrossWorkgroup
:
1354 val
->type
->stride
= align(glsl_get_cl_size(val
->type
->deref
->type
),
1355 glsl_get_cl_alignment(val
->type
->deref
->type
));
1365 case SpvOpTypeImage
: {
1366 val
->type
->base_type
= vtn_base_type_image
;
1368 const struct vtn_type
*sampled_type
=
1369 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1371 vtn_fail_if(sampled_type
->base_type
!= vtn_base_type_scalar
||
1372 glsl_get_bit_size(sampled_type
->type
) != 32,
1373 "Sampled type of OpTypeImage must be a 32-bit scalar");
1375 enum glsl_sampler_dim dim
;
1376 switch ((SpvDim
)w
[3]) {
1377 case SpvDim1D
: dim
= GLSL_SAMPLER_DIM_1D
; break;
1378 case SpvDim2D
: dim
= GLSL_SAMPLER_DIM_2D
; break;
1379 case SpvDim3D
: dim
= GLSL_SAMPLER_DIM_3D
; break;
1380 case SpvDimCube
: dim
= GLSL_SAMPLER_DIM_CUBE
; break;
1381 case SpvDimRect
: dim
= GLSL_SAMPLER_DIM_RECT
; break;
1382 case SpvDimBuffer
: dim
= GLSL_SAMPLER_DIM_BUF
; break;
1383 case SpvDimSubpassData
: dim
= GLSL_SAMPLER_DIM_SUBPASS
; break;
1385 vtn_fail("Invalid SPIR-V image dimensionality: %s (%u)",
1386 spirv_dim_to_string((SpvDim
)w
[3]), w
[3]);
1389 /* w[4]: as per Vulkan spec "Validation Rules within a Module",
1390 * The “Depth” operand of OpTypeImage is ignored.
1392 bool is_array
= w
[5];
1393 bool multisampled
= w
[6];
1394 unsigned sampled
= w
[7];
1395 SpvImageFormat format
= w
[8];
1398 val
->type
->access_qualifier
= w
[9];
1400 val
->type
->access_qualifier
= SpvAccessQualifierReadWrite
;
1403 if (dim
== GLSL_SAMPLER_DIM_2D
)
1404 dim
= GLSL_SAMPLER_DIM_MS
;
1405 else if (dim
== GLSL_SAMPLER_DIM_SUBPASS
)
1406 dim
= GLSL_SAMPLER_DIM_SUBPASS_MS
;
1408 vtn_fail("Unsupported multisampled image type");
1411 val
->type
->image_format
= translate_image_format(b
, format
);
1413 enum glsl_base_type sampled_base_type
=
1414 glsl_get_base_type(sampled_type
->type
);
1416 val
->type
->sampled
= true;
1417 val
->type
->type
= glsl_sampler_type(dim
, false, is_array
,
1419 } else if (sampled
== 2) {
1420 val
->type
->sampled
= false;
1421 val
->type
->type
= glsl_image_type(dim
, is_array
, sampled_base_type
);
1423 vtn_fail("We need to know if the image will be sampled");
1428 case SpvOpTypeSampledImage
:
1429 val
->type
->base_type
= vtn_base_type_sampled_image
;
1430 val
->type
->image
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1431 val
->type
->type
= val
->type
->image
->type
;
1434 case SpvOpTypeSampler
:
1435 /* The actual sampler type here doesn't really matter. It gets
1436 * thrown away the moment you combine it with an image. What really
1437 * matters is that it's a sampler type as opposed to an integer type
1438 * so the backend knows what to do.
1440 val
->type
->base_type
= vtn_base_type_sampler
;
1441 val
->type
->type
= glsl_bare_sampler_type();
1444 case SpvOpTypeOpaque
:
1445 case SpvOpTypeEvent
:
1446 case SpvOpTypeDeviceEvent
:
1447 case SpvOpTypeReserveId
:
1448 case SpvOpTypeQueue
:
1451 vtn_fail_with_opcode("Unhandled opcode", opcode
);
1454 vtn_foreach_decoration(b
, val
, type_decoration_cb
, NULL
);
1456 if (val
->type
->base_type
== vtn_base_type_struct
&&
1457 (val
->type
->block
|| val
->type
->buffer_block
)) {
1458 for (unsigned i
= 0; i
< val
->type
->length
; i
++) {
1459 vtn_fail_if(vtn_type_contains_block(b
, val
->type
->members
[i
]),
1460 "Block and BufferBlock decorations cannot decorate a "
1461 "structure type that is nested at any level inside "
1462 "another structure type decorated with Block or "
1468 static nir_constant
*
1469 vtn_null_constant(struct vtn_builder
*b
, struct vtn_type
*type
)
1471 nir_constant
*c
= rzalloc(b
, nir_constant
);
1473 switch (type
->base_type
) {
1474 case vtn_base_type_scalar
:
1475 case vtn_base_type_vector
:
1476 /* Nothing to do here. It's already initialized to zero */
1479 case vtn_base_type_pointer
: {
1480 enum vtn_variable_mode mode
= vtn_storage_class_to_mode(
1481 b
, type
->storage_class
, type
->deref
, NULL
);
1482 nir_address_format addr_format
= vtn_mode_to_address_format(b
, mode
);
1484 const nir_const_value
*null_value
= nir_address_format_null_value(addr_format
);
1485 memcpy(c
->values
, null_value
,
1486 sizeof(nir_const_value
) * nir_address_format_num_components(addr_format
));
1490 case vtn_base_type_void
:
1491 case vtn_base_type_image
:
1492 case vtn_base_type_sampler
:
1493 case vtn_base_type_sampled_image
:
1494 case vtn_base_type_function
:
1495 /* For those we have to return something but it doesn't matter what. */
1498 case vtn_base_type_matrix
:
1499 case vtn_base_type_array
:
1500 vtn_assert(type
->length
> 0);
1501 c
->num_elements
= type
->length
;
1502 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1504 c
->elements
[0] = vtn_null_constant(b
, type
->array_element
);
1505 for (unsigned i
= 1; i
< c
->num_elements
; i
++)
1506 c
->elements
[i
] = c
->elements
[0];
1509 case vtn_base_type_struct
:
1510 c
->num_elements
= type
->length
;
1511 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1512 for (unsigned i
= 0; i
< c
->num_elements
; i
++)
1513 c
->elements
[i
] = vtn_null_constant(b
, type
->members
[i
]);
1517 vtn_fail("Invalid type for null constant");
1524 spec_constant_decoration_cb(struct vtn_builder
*b
, struct vtn_value
*v
,
1525 int member
, const struct vtn_decoration
*dec
,
1528 vtn_assert(member
== -1);
1529 if (dec
->decoration
!= SpvDecorationSpecId
)
1532 struct spec_constant_value
*const_value
= data
;
1534 for (unsigned i
= 0; i
< b
->num_specializations
; i
++) {
1535 if (b
->specializations
[i
].id
== dec
->operands
[0]) {
1536 if (const_value
->is_double
)
1537 const_value
->data64
= b
->specializations
[i
].data64
;
1539 const_value
->data32
= b
->specializations
[i
].data32
;
1546 get_specialization(struct vtn_builder
*b
, struct vtn_value
*val
,
1547 uint32_t const_value
)
1549 struct spec_constant_value data
;
1550 data
.is_double
= false;
1551 data
.data32
= const_value
;
1552 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1557 get_specialization64(struct vtn_builder
*b
, struct vtn_value
*val
,
1558 uint64_t const_value
)
1560 struct spec_constant_value data
;
1561 data
.is_double
= true;
1562 data
.data64
= const_value
;
1563 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1568 handle_workgroup_size_decoration_cb(struct vtn_builder
*b
,
1569 struct vtn_value
*val
,
1571 const struct vtn_decoration
*dec
,
1574 vtn_assert(member
== -1);
1575 if (dec
->decoration
!= SpvDecorationBuiltIn
||
1576 dec
->operands
[0] != SpvBuiltInWorkgroupSize
)
1579 vtn_assert(val
->type
->type
== glsl_vector_type(GLSL_TYPE_UINT
, 3));
1580 b
->workgroup_size_builtin
= val
;
1584 vtn_handle_constant(struct vtn_builder
*b
, SpvOp opcode
,
1585 const uint32_t *w
, unsigned count
)
1587 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_constant
);
1588 val
->constant
= rzalloc(b
, nir_constant
);
1590 case SpvOpConstantTrue
:
1591 case SpvOpConstantFalse
:
1592 case SpvOpSpecConstantTrue
:
1593 case SpvOpSpecConstantFalse
: {
1594 vtn_fail_if(val
->type
->type
!= glsl_bool_type(),
1595 "Result type of %s must be OpTypeBool",
1596 spirv_op_to_string(opcode
));
1598 uint32_t int_val
= (opcode
== SpvOpConstantTrue
||
1599 opcode
== SpvOpSpecConstantTrue
);
1601 if (opcode
== SpvOpSpecConstantTrue
||
1602 opcode
== SpvOpSpecConstantFalse
)
1603 int_val
= get_specialization(b
, val
, int_val
);
1605 val
->constant
->values
[0].b
= int_val
!= 0;
1609 case SpvOpConstant
: {
1610 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1611 "Result type of %s must be a scalar",
1612 spirv_op_to_string(opcode
));
1613 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1616 val
->constant
->values
[0].u64
= vtn_u64_literal(&w
[3]);
1619 val
->constant
->values
[0].u32
= w
[3];
1622 val
->constant
->values
[0].u16
= w
[3];
1625 val
->constant
->values
[0].u8
= w
[3];
1628 vtn_fail("Unsupported SpvOpConstant bit size: %u", bit_size
);
1633 case SpvOpSpecConstant
: {
1634 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1635 "Result type of %s must be a scalar",
1636 spirv_op_to_string(opcode
));
1637 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1640 val
->constant
->values
[0].u64
=
1641 get_specialization64(b
, val
, vtn_u64_literal(&w
[3]));
1644 val
->constant
->values
[0].u32
= get_specialization(b
, val
, w
[3]);
1647 val
->constant
->values
[0].u16
= get_specialization(b
, val
, w
[3]);
1650 val
->constant
->values
[0].u8
= get_specialization(b
, val
, w
[3]);
1653 vtn_fail("Unsupported SpvOpSpecConstant bit size");
1658 case SpvOpSpecConstantComposite
:
1659 case SpvOpConstantComposite
: {
1660 unsigned elem_count
= count
- 3;
1661 vtn_fail_if(elem_count
!= val
->type
->length
,
1662 "%s has %u constituents, expected %u",
1663 spirv_op_to_string(opcode
), elem_count
, val
->type
->length
);
1665 nir_constant
**elems
= ralloc_array(b
, nir_constant
*, elem_count
);
1666 for (unsigned i
= 0; i
< elem_count
; i
++) {
1667 struct vtn_value
*val
= vtn_untyped_value(b
, w
[i
+ 3]);
1669 if (val
->value_type
== vtn_value_type_constant
) {
1670 elems
[i
] = val
->constant
;
1672 vtn_fail_if(val
->value_type
!= vtn_value_type_undef
,
1673 "only constants or undefs allowed for "
1674 "SpvOpConstantComposite");
1675 /* to make it easier, just insert a NULL constant for now */
1676 elems
[i
] = vtn_null_constant(b
, val
->type
);
1680 switch (val
->type
->base_type
) {
1681 case vtn_base_type_vector
: {
1682 assert(glsl_type_is_vector(val
->type
->type
));
1683 for (unsigned i
= 0; i
< elem_count
; i
++)
1684 val
->constant
->values
[i
] = elems
[i
]->values
[0];
1688 case vtn_base_type_matrix
:
1689 case vtn_base_type_struct
:
1690 case vtn_base_type_array
:
1691 ralloc_steal(val
->constant
, elems
);
1692 val
->constant
->num_elements
= elem_count
;
1693 val
->constant
->elements
= elems
;
1697 vtn_fail("Result type of %s must be a composite type",
1698 spirv_op_to_string(opcode
));
1703 case SpvOpSpecConstantOp
: {
1704 SpvOp opcode
= get_specialization(b
, val
, w
[3]);
1706 case SpvOpVectorShuffle
: {
1707 struct vtn_value
*v0
= &b
->values
[w
[4]];
1708 struct vtn_value
*v1
= &b
->values
[w
[5]];
1710 vtn_assert(v0
->value_type
== vtn_value_type_constant
||
1711 v0
->value_type
== vtn_value_type_undef
);
1712 vtn_assert(v1
->value_type
== vtn_value_type_constant
||
1713 v1
->value_type
== vtn_value_type_undef
);
1715 unsigned len0
= glsl_get_vector_elements(v0
->type
->type
);
1716 unsigned len1
= glsl_get_vector_elements(v1
->type
->type
);
1718 vtn_assert(len0
+ len1
< 16);
1720 unsigned bit_size
= glsl_get_bit_size(val
->type
->type
);
1721 unsigned bit_size0
= glsl_get_bit_size(v0
->type
->type
);
1722 unsigned bit_size1
= glsl_get_bit_size(v1
->type
->type
);
1724 vtn_assert(bit_size
== bit_size0
&& bit_size
== bit_size1
);
1725 (void)bit_size0
; (void)bit_size1
;
1727 nir_const_value undef
= { .u64
= 0xdeadbeefdeadbeef };
1728 nir_const_value combined
[NIR_MAX_VEC_COMPONENTS
* 2];
1730 if (v0
->value_type
== vtn_value_type_constant
) {
1731 for (unsigned i
= 0; i
< len0
; i
++)
1732 combined
[i
] = v0
->constant
->values
[i
];
1734 if (v1
->value_type
== vtn_value_type_constant
) {
1735 for (unsigned i
= 0; i
< len1
; i
++)
1736 combined
[len0
+ i
] = v1
->constant
->values
[i
];
1739 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1740 uint32_t comp
= w
[i
+ 6];
1741 if (comp
== (uint32_t)-1) {
1742 /* If component is not used, set the value to a known constant
1743 * to detect if it is wrongly used.
1745 val
->constant
->values
[j
] = undef
;
1747 vtn_fail_if(comp
>= len0
+ len1
,
1748 "All Component literals must either be FFFFFFFF "
1749 "or in [0, N - 1] (inclusive).");
1750 val
->constant
->values
[j
] = combined
[comp
];
1756 case SpvOpCompositeExtract
:
1757 case SpvOpCompositeInsert
: {
1758 struct vtn_value
*comp
;
1759 unsigned deref_start
;
1760 struct nir_constant
**c
;
1761 if (opcode
== SpvOpCompositeExtract
) {
1762 comp
= vtn_value(b
, w
[4], vtn_value_type_constant
);
1764 c
= &comp
->constant
;
1766 comp
= vtn_value(b
, w
[5], vtn_value_type_constant
);
1768 val
->constant
= nir_constant_clone(comp
->constant
,
1774 const struct vtn_type
*type
= comp
->type
;
1775 for (unsigned i
= deref_start
; i
< count
; i
++) {
1776 vtn_fail_if(w
[i
] > type
->length
,
1777 "%uth index of %s is %u but the type has only "
1778 "%u elements", i
- deref_start
,
1779 spirv_op_to_string(opcode
), w
[i
], type
->length
);
1781 switch (type
->base_type
) {
1782 case vtn_base_type_vector
:
1784 type
= type
->array_element
;
1787 case vtn_base_type_matrix
:
1788 case vtn_base_type_array
:
1789 c
= &(*c
)->elements
[w
[i
]];
1790 type
= type
->array_element
;
1793 case vtn_base_type_struct
:
1794 c
= &(*c
)->elements
[w
[i
]];
1795 type
= type
->members
[w
[i
]];
1799 vtn_fail("%s must only index into composite types",
1800 spirv_op_to_string(opcode
));
1804 if (opcode
== SpvOpCompositeExtract
) {
1808 unsigned num_components
= type
->length
;
1809 for (unsigned i
= 0; i
< num_components
; i
++)
1810 val
->constant
->values
[i
] = (*c
)->values
[elem
+ i
];
1813 struct vtn_value
*insert
=
1814 vtn_value(b
, w
[4], vtn_value_type_constant
);
1815 vtn_assert(insert
->type
== type
);
1817 *c
= insert
->constant
;
1819 unsigned num_components
= type
->length
;
1820 for (unsigned i
= 0; i
< num_components
; i
++)
1821 (*c
)->values
[elem
+ i
] = insert
->constant
->values
[i
];
1829 nir_alu_type dst_alu_type
= nir_get_nir_type_for_glsl_type(val
->type
->type
);
1830 nir_alu_type src_alu_type
= dst_alu_type
;
1831 unsigned num_components
= glsl_get_vector_elements(val
->type
->type
);
1834 vtn_assert(count
<= 7);
1840 /* We have a source in a conversion */
1842 nir_get_nir_type_for_glsl_type(
1843 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1844 /* We use the bitsize of the conversion source to evaluate the opcode later */
1845 bit_size
= glsl_get_bit_size(
1846 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1849 bit_size
= glsl_get_bit_size(val
->type
->type
);
1852 nir_op op
= vtn_nir_alu_op_for_spirv_opcode(b
, opcode
, &swap
,
1853 nir_alu_type_get_type_size(src_alu_type
),
1854 nir_alu_type_get_type_size(dst_alu_type
));
1855 nir_const_value src
[3][NIR_MAX_VEC_COMPONENTS
];
1857 for (unsigned i
= 0; i
< count
- 4; i
++) {
1858 struct vtn_value
*src_val
=
1859 vtn_value(b
, w
[4 + i
], vtn_value_type_constant
);
1861 /* If this is an unsized source, pull the bit size from the
1862 * source; otherwise, we'll use the bit size from the destination.
1864 if (!nir_alu_type_get_type_size(nir_op_infos
[op
].input_types
[i
]))
1865 bit_size
= glsl_get_bit_size(src_val
->type
->type
);
1867 unsigned src_comps
= nir_op_infos
[op
].input_sizes
[i
] ?
1868 nir_op_infos
[op
].input_sizes
[i
] :
1871 unsigned j
= swap
? 1 - i
: i
;
1872 for (unsigned c
= 0; c
< src_comps
; c
++)
1873 src
[j
][c
] = src_val
->constant
->values
[c
];
1876 /* fix up fixed size sources */
1883 for (unsigned i
= 0; i
< num_components
; ++i
) {
1885 case 64: src
[1][i
].u32
= src
[1][i
].u64
; break;
1886 case 16: src
[1][i
].u32
= src
[1][i
].u16
; break;
1887 case 8: src
[1][i
].u32
= src
[1][i
].u8
; break;
1896 nir_const_value
*srcs
[3] = {
1897 src
[0], src
[1], src
[2],
1899 nir_eval_const_opcode(op
, val
->constant
->values
, num_components
, bit_size
, srcs
);
1906 case SpvOpConstantNull
:
1907 val
->constant
= vtn_null_constant(b
, val
->type
);
1910 case SpvOpConstantSampler
:
1911 vtn_fail("OpConstantSampler requires Kernel Capability");
1915 vtn_fail_with_opcode("Unhandled opcode", opcode
);
1918 /* Now that we have the value, update the workgroup size if needed */
1919 vtn_foreach_decoration(b
, val
, handle_workgroup_size_decoration_cb
, NULL
);
1922 struct vtn_ssa_value
*
1923 vtn_create_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
1925 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
1928 if (!glsl_type_is_vector_or_scalar(type
)) {
1929 unsigned elems
= glsl_get_length(type
);
1930 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
1931 for (unsigned i
= 0; i
< elems
; i
++) {
1932 const struct glsl_type
*child_type
;
1934 switch (glsl_get_base_type(type
)) {
1936 case GLSL_TYPE_UINT
:
1937 case GLSL_TYPE_INT16
:
1938 case GLSL_TYPE_UINT16
:
1939 case GLSL_TYPE_UINT8
:
1940 case GLSL_TYPE_INT8
:
1941 case GLSL_TYPE_INT64
:
1942 case GLSL_TYPE_UINT64
:
1943 case GLSL_TYPE_BOOL
:
1944 case GLSL_TYPE_FLOAT
:
1945 case GLSL_TYPE_FLOAT16
:
1946 case GLSL_TYPE_DOUBLE
:
1947 child_type
= glsl_get_column_type(type
);
1949 case GLSL_TYPE_ARRAY
:
1950 child_type
= glsl_get_array_element(type
);
1952 case GLSL_TYPE_STRUCT
:
1953 case GLSL_TYPE_INTERFACE
:
1954 child_type
= glsl_get_struct_field(type
, i
);
1957 vtn_fail("unkown base type");
1960 val
->elems
[i
] = vtn_create_ssa_value(b
, child_type
);
1968 vtn_tex_src(struct vtn_builder
*b
, unsigned index
, nir_tex_src_type type
)
1971 src
.src
= nir_src_for_ssa(vtn_ssa_value(b
, index
)->def
);
1972 src
.src_type
= type
;
1977 vtn_handle_texture(struct vtn_builder
*b
, SpvOp opcode
,
1978 const uint32_t *w
, unsigned count
)
1980 if (opcode
== SpvOpSampledImage
) {
1981 struct vtn_value
*val
=
1982 vtn_push_value(b
, w
[2], vtn_value_type_sampled_image
);
1983 val
->sampled_image
= ralloc(b
, struct vtn_sampled_image
);
1984 val
->sampled_image
->type
=
1985 vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
1986 val
->sampled_image
->image
=
1987 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
1988 val
->sampled_image
->sampler
=
1989 vtn_value(b
, w
[4], vtn_value_type_pointer
)->pointer
;
1991 } else if (opcode
== SpvOpImage
) {
1992 struct vtn_value
*src_val
= vtn_untyped_value(b
, w
[3]);
1993 if (src_val
->value_type
== vtn_value_type_sampled_image
) {
1994 vtn_push_value_pointer(b
, w
[2], src_val
->sampled_image
->image
);
1996 vtn_assert(src_val
->value_type
== vtn_value_type_pointer
);
1997 vtn_push_value_pointer(b
, w
[2], src_val
->pointer
);
2002 struct vtn_type
*ret_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2004 struct vtn_sampled_image sampled
;
2005 struct vtn_value
*sampled_val
= vtn_untyped_value(b
, w
[3]);
2006 if (sampled_val
->value_type
== vtn_value_type_sampled_image
) {
2007 sampled
= *sampled_val
->sampled_image
;
2009 vtn_assert(sampled_val
->value_type
== vtn_value_type_pointer
);
2010 sampled
.type
= sampled_val
->pointer
->type
;
2011 sampled
.image
= NULL
;
2012 sampled
.sampler
= sampled_val
->pointer
;
2015 const struct glsl_type
*image_type
= sampled
.type
->type
;
2016 const enum glsl_sampler_dim sampler_dim
= glsl_get_sampler_dim(image_type
);
2017 const bool is_array
= glsl_sampler_type_is_array(image_type
);
2019 /* Figure out the base texture operation */
2022 case SpvOpImageSampleImplicitLod
:
2023 case SpvOpImageSampleDrefImplicitLod
:
2024 case SpvOpImageSampleProjImplicitLod
:
2025 case SpvOpImageSampleProjDrefImplicitLod
:
2026 texop
= nir_texop_tex
;
2029 case SpvOpImageSampleExplicitLod
:
2030 case SpvOpImageSampleDrefExplicitLod
:
2031 case SpvOpImageSampleProjExplicitLod
:
2032 case SpvOpImageSampleProjDrefExplicitLod
:
2033 texop
= nir_texop_txl
;
2036 case SpvOpImageFetch
:
2037 if (glsl_get_sampler_dim(image_type
) == GLSL_SAMPLER_DIM_MS
) {
2038 texop
= nir_texop_txf_ms
;
2040 texop
= nir_texop_txf
;
2044 case SpvOpImageGather
:
2045 case SpvOpImageDrefGather
:
2046 texop
= nir_texop_tg4
;
2049 case SpvOpImageQuerySizeLod
:
2050 case SpvOpImageQuerySize
:
2051 texop
= nir_texop_txs
;
2054 case SpvOpImageQueryLod
:
2055 texop
= nir_texop_lod
;
2058 case SpvOpImageQueryLevels
:
2059 texop
= nir_texop_query_levels
;
2062 case SpvOpImageQuerySamples
:
2063 texop
= nir_texop_texture_samples
;
2067 vtn_fail_with_opcode("Unhandled opcode", opcode
);
2070 nir_tex_src srcs
[10]; /* 10 should be enough */
2071 nir_tex_src
*p
= srcs
;
2073 nir_deref_instr
*sampler
= vtn_pointer_to_deref(b
, sampled
.sampler
);
2074 nir_deref_instr
*texture
=
2075 sampled
.image
? vtn_pointer_to_deref(b
, sampled
.image
) : sampler
;
2077 p
->src
= nir_src_for_ssa(&texture
->dest
.ssa
);
2078 p
->src_type
= nir_tex_src_texture_deref
;
2088 /* These operations require a sampler */
2089 p
->src
= nir_src_for_ssa(&sampler
->dest
.ssa
);
2090 p
->src_type
= nir_tex_src_sampler_deref
;
2094 case nir_texop_txf_ms
:
2096 case nir_texop_query_levels
:
2097 case nir_texop_texture_samples
:
2098 case nir_texop_samples_identical
:
2101 case nir_texop_txf_ms_fb
:
2102 vtn_fail("unexpected nir_texop_txf_ms_fb");
2104 case nir_texop_txf_ms_mcs
:
2105 vtn_fail("unexpected nir_texop_txf_ms_mcs");
2110 struct nir_ssa_def
*coord
;
2111 unsigned coord_components
;
2113 case SpvOpImageSampleImplicitLod
:
2114 case SpvOpImageSampleExplicitLod
:
2115 case SpvOpImageSampleDrefImplicitLod
:
2116 case SpvOpImageSampleDrefExplicitLod
:
2117 case SpvOpImageSampleProjImplicitLod
:
2118 case SpvOpImageSampleProjExplicitLod
:
2119 case SpvOpImageSampleProjDrefImplicitLod
:
2120 case SpvOpImageSampleProjDrefExplicitLod
:
2121 case SpvOpImageFetch
:
2122 case SpvOpImageGather
:
2123 case SpvOpImageDrefGather
:
2124 case SpvOpImageQueryLod
: {
2125 /* All these types have the coordinate as their first real argument */
2126 switch (sampler_dim
) {
2127 case GLSL_SAMPLER_DIM_1D
:
2128 case GLSL_SAMPLER_DIM_BUF
:
2129 coord_components
= 1;
2131 case GLSL_SAMPLER_DIM_2D
:
2132 case GLSL_SAMPLER_DIM_RECT
:
2133 case GLSL_SAMPLER_DIM_MS
:
2134 coord_components
= 2;
2136 case GLSL_SAMPLER_DIM_3D
:
2137 case GLSL_SAMPLER_DIM_CUBE
:
2138 coord_components
= 3;
2141 vtn_fail("Invalid sampler type");
2144 if (is_array
&& texop
!= nir_texop_lod
)
2147 coord
= vtn_ssa_value(b
, w
[idx
++])->def
;
2148 p
->src
= nir_src_for_ssa(nir_channels(&b
->nb
, coord
,
2149 (1 << coord_components
) - 1));
2150 p
->src_type
= nir_tex_src_coord
;
2157 coord_components
= 0;
2162 case SpvOpImageSampleProjImplicitLod
:
2163 case SpvOpImageSampleProjExplicitLod
:
2164 case SpvOpImageSampleProjDrefImplicitLod
:
2165 case SpvOpImageSampleProjDrefExplicitLod
:
2166 /* These have the projector as the last coordinate component */
2167 p
->src
= nir_src_for_ssa(nir_channel(&b
->nb
, coord
, coord_components
));
2168 p
->src_type
= nir_tex_src_projector
;
2176 bool is_shadow
= false;
2177 unsigned gather_component
= 0;
2179 case SpvOpImageSampleDrefImplicitLod
:
2180 case SpvOpImageSampleDrefExplicitLod
:
2181 case SpvOpImageSampleProjDrefImplicitLod
:
2182 case SpvOpImageSampleProjDrefExplicitLod
:
2183 case SpvOpImageDrefGather
:
2184 /* These all have an explicit depth value as their next source */
2186 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_comparator
);
2189 case SpvOpImageGather
:
2190 /* This has a component as its next source */
2191 gather_component
= vtn_constant_uint(b
, w
[idx
++]);
2198 /* For OpImageQuerySizeLod, we always have an LOD */
2199 if (opcode
== SpvOpImageQuerySizeLod
)
2200 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2202 /* Now we need to handle some number of optional arguments */
2203 struct vtn_value
*gather_offsets
= NULL
;
2205 uint32_t operands
= w
[idx
++];
2207 if (operands
& SpvImageOperandsBiasMask
) {
2208 vtn_assert(texop
== nir_texop_tex
);
2209 texop
= nir_texop_txb
;
2210 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_bias
);
2213 if (operands
& SpvImageOperandsLodMask
) {
2214 vtn_assert(texop
== nir_texop_txl
|| texop
== nir_texop_txf
||
2215 texop
== nir_texop_txs
);
2216 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2219 if (operands
& SpvImageOperandsGradMask
) {
2220 vtn_assert(texop
== nir_texop_txl
);
2221 texop
= nir_texop_txd
;
2222 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddx
);
2223 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddy
);
2226 if (operands
& SpvImageOperandsOffsetMask
||
2227 operands
& SpvImageOperandsConstOffsetMask
)
2228 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_offset
);
2230 if (operands
& SpvImageOperandsConstOffsetsMask
) {
2231 vtn_assert(texop
== nir_texop_tg4
);
2232 gather_offsets
= vtn_value(b
, w
[idx
++], vtn_value_type_constant
);
2235 if (operands
& SpvImageOperandsSampleMask
) {
2236 vtn_assert(texop
== nir_texop_txf_ms
);
2237 texop
= nir_texop_txf_ms
;
2238 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ms_index
);
2241 if (operands
& SpvImageOperandsMinLodMask
) {
2242 vtn_assert(texop
== nir_texop_tex
||
2243 texop
== nir_texop_txb
||
2244 texop
== nir_texop_txd
);
2245 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_min_lod
);
2248 /* We should have now consumed exactly all of the arguments */
2249 vtn_assert(idx
== count
);
2251 nir_tex_instr
*instr
= nir_tex_instr_create(b
->shader
, p
- srcs
);
2254 memcpy(instr
->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
2256 instr
->coord_components
= coord_components
;
2257 instr
->sampler_dim
= sampler_dim
;
2258 instr
->is_array
= is_array
;
2259 instr
->is_shadow
= is_shadow
;
2260 instr
->is_new_style_shadow
=
2261 is_shadow
&& glsl_get_components(ret_type
->type
) == 1;
2262 instr
->component
= gather_component
;
2264 if (sampled
.image
&& (sampled
.image
->access
& ACCESS_NON_UNIFORM
))
2265 instr
->texture_non_uniform
= true;
2267 if (sampled
.sampler
&& (sampled
.sampler
->access
& ACCESS_NON_UNIFORM
))
2268 instr
->sampler_non_uniform
= true;
2270 switch (glsl_get_sampler_result_type(image_type
)) {
2271 case GLSL_TYPE_FLOAT
: instr
->dest_type
= nir_type_float
; break;
2272 case GLSL_TYPE_INT
: instr
->dest_type
= nir_type_int
; break;
2273 case GLSL_TYPE_UINT
: instr
->dest_type
= nir_type_uint
; break;
2274 case GLSL_TYPE_BOOL
: instr
->dest_type
= nir_type_bool
; break;
2276 vtn_fail("Invalid base type for sampler result");
2279 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
2280 nir_tex_instr_dest_size(instr
), 32, NULL
);
2282 vtn_assert(glsl_get_vector_elements(ret_type
->type
) ==
2283 nir_tex_instr_dest_size(instr
));
2285 if (gather_offsets
) {
2286 vtn_fail_if(gather_offsets
->type
->base_type
!= vtn_base_type_array
||
2287 gather_offsets
->type
->length
!= 4,
2288 "ConstOffsets must be an array of size four of vectors "
2289 "of two integer components");
2291 struct vtn_type
*vec_type
= gather_offsets
->type
->array_element
;
2292 vtn_fail_if(vec_type
->base_type
!= vtn_base_type_vector
||
2293 vec_type
->length
!= 2 ||
2294 !glsl_type_is_integer(vec_type
->type
),
2295 "ConstOffsets must be an array of size four of vectors "
2296 "of two integer components");
2298 unsigned bit_size
= glsl_get_bit_size(vec_type
->type
);
2299 for (uint32_t i
= 0; i
< 4; i
++) {
2300 const nir_const_value
*cvec
=
2301 gather_offsets
->constant
->elements
[i
]->values
;
2302 for (uint32_t j
= 0; j
< 2; j
++) {
2304 case 8: instr
->tg4_offsets
[i
][j
] = cvec
[j
].i8
; break;
2305 case 16: instr
->tg4_offsets
[i
][j
] = cvec
[j
].i16
; break;
2306 case 32: instr
->tg4_offsets
[i
][j
] = cvec
[j
].i32
; break;
2307 case 64: instr
->tg4_offsets
[i
][j
] = cvec
[j
].i64
; break;
2309 vtn_fail("Unsupported bit size: %u", bit_size
);
2315 struct vtn_ssa_value
*ssa
= vtn_create_ssa_value(b
, ret_type
->type
);
2316 ssa
->def
= &instr
->dest
.ssa
;
2317 vtn_push_ssa(b
, w
[2], ret_type
, ssa
);
2319 nir_builder_instr_insert(&b
->nb
, &instr
->instr
);
2323 fill_common_atomic_sources(struct vtn_builder
*b
, SpvOp opcode
,
2324 const uint32_t *w
, nir_src
*src
)
2327 case SpvOpAtomicIIncrement
:
2328 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, 1));
2331 case SpvOpAtomicIDecrement
:
2332 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, -1));
2335 case SpvOpAtomicISub
:
2337 nir_src_for_ssa(nir_ineg(&b
->nb
, vtn_ssa_value(b
, w
[6])->def
));
2340 case SpvOpAtomicCompareExchange
:
2341 case SpvOpAtomicCompareExchangeWeak
:
2342 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[8])->def
);
2343 src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[7])->def
);
2346 case SpvOpAtomicExchange
:
2347 case SpvOpAtomicIAdd
:
2348 case SpvOpAtomicSMin
:
2349 case SpvOpAtomicUMin
:
2350 case SpvOpAtomicSMax
:
2351 case SpvOpAtomicUMax
:
2352 case SpvOpAtomicAnd
:
2354 case SpvOpAtomicXor
:
2355 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[6])->def
);
2359 vtn_fail_with_opcode("Invalid SPIR-V atomic", opcode
);
2363 static nir_ssa_def
*
2364 get_image_coord(struct vtn_builder
*b
, uint32_t value
)
2366 struct vtn_ssa_value
*coord
= vtn_ssa_value(b
, value
);
2368 /* The image_load_store intrinsics assume a 4-dim coordinate */
2369 unsigned dim
= glsl_get_vector_elements(coord
->type
);
2370 unsigned swizzle
[4];
2371 for (unsigned i
= 0; i
< 4; i
++)
2372 swizzle
[i
] = MIN2(i
, dim
- 1);
2374 return nir_swizzle(&b
->nb
, coord
->def
, swizzle
, 4);
2377 static nir_ssa_def
*
2378 expand_to_vec4(nir_builder
*b
, nir_ssa_def
*value
)
2380 if (value
->num_components
== 4)
2384 for (unsigned i
= 0; i
< 4; i
++)
2385 swiz
[i
] = i
< value
->num_components
? i
: 0;
2386 return nir_swizzle(b
, value
, swiz
, 4);
2390 vtn_handle_image(struct vtn_builder
*b
, SpvOp opcode
,
2391 const uint32_t *w
, unsigned count
)
2393 /* Just get this one out of the way */
2394 if (opcode
== SpvOpImageTexelPointer
) {
2395 struct vtn_value
*val
=
2396 vtn_push_value(b
, w
[2], vtn_value_type_image_pointer
);
2397 val
->image
= ralloc(b
, struct vtn_image_pointer
);
2399 val
->image
->image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2400 val
->image
->coord
= get_image_coord(b
, w
[4]);
2401 val
->image
->sample
= vtn_ssa_value(b
, w
[5])->def
;
2405 struct vtn_image_pointer image
;
2408 case SpvOpAtomicExchange
:
2409 case SpvOpAtomicCompareExchange
:
2410 case SpvOpAtomicCompareExchangeWeak
:
2411 case SpvOpAtomicIIncrement
:
2412 case SpvOpAtomicIDecrement
:
2413 case SpvOpAtomicIAdd
:
2414 case SpvOpAtomicISub
:
2415 case SpvOpAtomicLoad
:
2416 case SpvOpAtomicSMin
:
2417 case SpvOpAtomicUMin
:
2418 case SpvOpAtomicSMax
:
2419 case SpvOpAtomicUMax
:
2420 case SpvOpAtomicAnd
:
2422 case SpvOpAtomicXor
:
2423 image
= *vtn_value(b
, w
[3], vtn_value_type_image_pointer
)->image
;
2426 case SpvOpAtomicStore
:
2427 image
= *vtn_value(b
, w
[1], vtn_value_type_image_pointer
)->image
;
2430 case SpvOpImageQuerySize
:
2431 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2433 image
.sample
= NULL
;
2436 case SpvOpImageRead
:
2437 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2438 image
.coord
= get_image_coord(b
, w
[4]);
2440 if (count
> 5 && (w
[5] & SpvImageOperandsSampleMask
)) {
2441 vtn_assert(w
[5] == SpvImageOperandsSampleMask
);
2442 image
.sample
= vtn_ssa_value(b
, w
[6])->def
;
2444 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2448 case SpvOpImageWrite
:
2449 image
.image
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2450 image
.coord
= get_image_coord(b
, w
[2]);
2454 if (count
> 4 && (w
[4] & SpvImageOperandsSampleMask
)) {
2455 vtn_assert(w
[4] == SpvImageOperandsSampleMask
);
2456 image
.sample
= vtn_ssa_value(b
, w
[5])->def
;
2458 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2463 vtn_fail_with_opcode("Invalid image opcode", opcode
);
2466 nir_intrinsic_op op
;
2468 #define OP(S, N) case SpvOp##S: op = nir_intrinsic_image_deref_##N; break;
2469 OP(ImageQuerySize
, size
)
2471 OP(ImageWrite
, store
)
2472 OP(AtomicLoad
, load
)
2473 OP(AtomicStore
, store
)
2474 OP(AtomicExchange
, atomic_exchange
)
2475 OP(AtomicCompareExchange
, atomic_comp_swap
)
2476 OP(AtomicCompareExchangeWeak
, atomic_comp_swap
)
2477 OP(AtomicIIncrement
, atomic_add
)
2478 OP(AtomicIDecrement
, atomic_add
)
2479 OP(AtomicIAdd
, atomic_add
)
2480 OP(AtomicISub
, atomic_add
)
2481 OP(AtomicSMin
, atomic_min
)
2482 OP(AtomicUMin
, atomic_min
)
2483 OP(AtomicSMax
, atomic_max
)
2484 OP(AtomicUMax
, atomic_max
)
2485 OP(AtomicAnd
, atomic_and
)
2486 OP(AtomicOr
, atomic_or
)
2487 OP(AtomicXor
, atomic_xor
)
2490 vtn_fail_with_opcode("Invalid image opcode", opcode
);
2493 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
2495 nir_deref_instr
*image_deref
= vtn_pointer_to_deref(b
, image
.image
);
2496 intrin
->src
[0] = nir_src_for_ssa(&image_deref
->dest
.ssa
);
2498 /* ImageQuerySize doesn't take any extra parameters */
2499 if (opcode
!= SpvOpImageQuerySize
) {
2500 /* The image coordinate is always 4 components but we may not have that
2501 * many. Swizzle to compensate.
2503 intrin
->src
[1] = nir_src_for_ssa(expand_to_vec4(&b
->nb
, image
.coord
));
2504 intrin
->src
[2] = nir_src_for_ssa(image
.sample
);
2507 nir_intrinsic_set_access(intrin
, image
.image
->access
);
2510 case SpvOpAtomicLoad
:
2511 case SpvOpImageQuerySize
:
2512 case SpvOpImageRead
:
2514 case SpvOpAtomicStore
:
2515 case SpvOpImageWrite
: {
2516 const uint32_t value_id
= opcode
== SpvOpAtomicStore
? w
[4] : w
[3];
2517 nir_ssa_def
*value
= vtn_ssa_value(b
, value_id
)->def
;
2518 /* nir_intrinsic_image_deref_store always takes a vec4 value */
2519 assert(op
== nir_intrinsic_image_deref_store
);
2520 intrin
->num_components
= 4;
2521 intrin
->src
[3] = nir_src_for_ssa(expand_to_vec4(&b
->nb
, value
));
2525 case SpvOpAtomicCompareExchange
:
2526 case SpvOpAtomicCompareExchangeWeak
:
2527 case SpvOpAtomicIIncrement
:
2528 case SpvOpAtomicIDecrement
:
2529 case SpvOpAtomicExchange
:
2530 case SpvOpAtomicIAdd
:
2531 case SpvOpAtomicISub
:
2532 case SpvOpAtomicSMin
:
2533 case SpvOpAtomicUMin
:
2534 case SpvOpAtomicSMax
:
2535 case SpvOpAtomicUMax
:
2536 case SpvOpAtomicAnd
:
2538 case SpvOpAtomicXor
:
2539 fill_common_atomic_sources(b
, opcode
, w
, &intrin
->src
[3]);
2543 vtn_fail_with_opcode("Invalid image opcode", opcode
);
2546 if (opcode
!= SpvOpImageWrite
&& opcode
!= SpvOpAtomicStore
) {
2547 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2549 unsigned dest_components
= glsl_get_vector_elements(type
->type
);
2550 intrin
->num_components
= nir_intrinsic_infos
[op
].dest_components
;
2551 if (intrin
->num_components
== 0)
2552 intrin
->num_components
= dest_components
;
2554 nir_ssa_dest_init(&intrin
->instr
, &intrin
->dest
,
2555 intrin
->num_components
, 32, NULL
);
2557 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2559 nir_ssa_def
*result
= &intrin
->dest
.ssa
;
2560 if (intrin
->num_components
!= dest_components
)
2561 result
= nir_channels(&b
->nb
, result
, (1 << dest_components
) - 1);
2563 struct vtn_value
*val
=
2564 vtn_push_ssa(b
, w
[2], type
, vtn_create_ssa_value(b
, type
->type
));
2565 val
->ssa
->def
= result
;
2567 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2571 static nir_intrinsic_op
2572 get_ssbo_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2575 case SpvOpAtomicLoad
: return nir_intrinsic_load_ssbo
;
2576 case SpvOpAtomicStore
: return nir_intrinsic_store_ssbo
;
2577 #define OP(S, N) case SpvOp##S: return nir_intrinsic_ssbo_##N;
2578 OP(AtomicExchange
, atomic_exchange
)
2579 OP(AtomicCompareExchange
, atomic_comp_swap
)
2580 OP(AtomicCompareExchangeWeak
, atomic_comp_swap
)
2581 OP(AtomicIIncrement
, atomic_add
)
2582 OP(AtomicIDecrement
, atomic_add
)
2583 OP(AtomicIAdd
, atomic_add
)
2584 OP(AtomicISub
, atomic_add
)
2585 OP(AtomicSMin
, atomic_imin
)
2586 OP(AtomicUMin
, atomic_umin
)
2587 OP(AtomicSMax
, atomic_imax
)
2588 OP(AtomicUMax
, atomic_umax
)
2589 OP(AtomicAnd
, atomic_and
)
2590 OP(AtomicOr
, atomic_or
)
2591 OP(AtomicXor
, atomic_xor
)
2594 vtn_fail_with_opcode("Invalid SSBO atomic", opcode
);
2598 static nir_intrinsic_op
2599 get_uniform_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2602 #define OP(S, N) case SpvOp##S: return nir_intrinsic_atomic_counter_ ##N;
2603 OP(AtomicLoad
, read_deref
)
2604 OP(AtomicExchange
, exchange
)
2605 OP(AtomicCompareExchange
, comp_swap
)
2606 OP(AtomicCompareExchangeWeak
, comp_swap
)
2607 OP(AtomicIIncrement
, inc_deref
)
2608 OP(AtomicIDecrement
, post_dec_deref
)
2609 OP(AtomicIAdd
, add_deref
)
2610 OP(AtomicISub
, add_deref
)
2611 OP(AtomicUMin
, min_deref
)
2612 OP(AtomicUMax
, max_deref
)
2613 OP(AtomicAnd
, and_deref
)
2614 OP(AtomicOr
, or_deref
)
2615 OP(AtomicXor
, xor_deref
)
2618 /* We left the following out: AtomicStore, AtomicSMin and
2619 * AtomicSmax. Right now there are not nir intrinsics for them. At this
2620 * moment Atomic Counter support is needed for ARB_spirv support, so is
2621 * only need to support GLSL Atomic Counters that are uints and don't
2622 * allow direct storage.
2624 unreachable("Invalid uniform atomic");
2628 static nir_intrinsic_op
2629 get_deref_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2632 case SpvOpAtomicLoad
: return nir_intrinsic_load_deref
;
2633 case SpvOpAtomicStore
: return nir_intrinsic_store_deref
;
2634 #define OP(S, N) case SpvOp##S: return nir_intrinsic_deref_##N;
2635 OP(AtomicExchange
, atomic_exchange
)
2636 OP(AtomicCompareExchange
, atomic_comp_swap
)
2637 OP(AtomicCompareExchangeWeak
, atomic_comp_swap
)
2638 OP(AtomicIIncrement
, atomic_add
)
2639 OP(AtomicIDecrement
, atomic_add
)
2640 OP(AtomicIAdd
, atomic_add
)
2641 OP(AtomicISub
, atomic_add
)
2642 OP(AtomicSMin
, atomic_imin
)
2643 OP(AtomicUMin
, atomic_umin
)
2644 OP(AtomicSMax
, atomic_imax
)
2645 OP(AtomicUMax
, atomic_umax
)
2646 OP(AtomicAnd
, atomic_and
)
2647 OP(AtomicOr
, atomic_or
)
2648 OP(AtomicXor
, atomic_xor
)
2651 vtn_fail_with_opcode("Invalid shared atomic", opcode
);
2656 * Handles shared atomics, ssbo atomics and atomic counters.
2659 vtn_handle_atomics(struct vtn_builder
*b
, SpvOp opcode
,
2660 const uint32_t *w
, unsigned count
)
2662 struct vtn_pointer
*ptr
;
2663 nir_intrinsic_instr
*atomic
;
2666 case SpvOpAtomicLoad
:
2667 case SpvOpAtomicExchange
:
2668 case SpvOpAtomicCompareExchange
:
2669 case SpvOpAtomicCompareExchangeWeak
:
2670 case SpvOpAtomicIIncrement
:
2671 case SpvOpAtomicIDecrement
:
2672 case SpvOpAtomicIAdd
:
2673 case SpvOpAtomicISub
:
2674 case SpvOpAtomicSMin
:
2675 case SpvOpAtomicUMin
:
2676 case SpvOpAtomicSMax
:
2677 case SpvOpAtomicUMax
:
2678 case SpvOpAtomicAnd
:
2680 case SpvOpAtomicXor
:
2681 ptr
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2684 case SpvOpAtomicStore
:
2685 ptr
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2689 vtn_fail_with_opcode("Invalid SPIR-V atomic", opcode
);
2693 SpvScope scope = w[4];
2694 SpvMemorySemanticsMask semantics = w[5];
2697 /* uniform as "atomic counter uniform" */
2698 if (ptr
->mode
== vtn_variable_mode_uniform
) {
2699 nir_deref_instr
*deref
= vtn_pointer_to_deref(b
, ptr
);
2700 const struct glsl_type
*deref_type
= deref
->type
;
2701 nir_intrinsic_op op
= get_uniform_nir_atomic_op(b
, opcode
);
2702 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2703 atomic
->src
[0] = nir_src_for_ssa(&deref
->dest
.ssa
);
2705 /* SSBO needs to initialize index/offset. In this case we don't need to,
2706 * as that info is already stored on the ptr->var->var nir_variable (see
2707 * vtn_create_variable)
2711 case SpvOpAtomicLoad
:
2712 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2715 case SpvOpAtomicStore
:
2716 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2717 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2720 case SpvOpAtomicExchange
:
2721 case SpvOpAtomicCompareExchange
:
2722 case SpvOpAtomicCompareExchangeWeak
:
2723 case SpvOpAtomicIIncrement
:
2724 case SpvOpAtomicIDecrement
:
2725 case SpvOpAtomicIAdd
:
2726 case SpvOpAtomicISub
:
2727 case SpvOpAtomicSMin
:
2728 case SpvOpAtomicUMin
:
2729 case SpvOpAtomicSMax
:
2730 case SpvOpAtomicUMax
:
2731 case SpvOpAtomicAnd
:
2733 case SpvOpAtomicXor
:
2734 /* Nothing: we don't need to call fill_common_atomic_sources here, as
2735 * atomic counter uniforms doesn't have sources
2740 unreachable("Invalid SPIR-V atomic");
2743 } else if (vtn_pointer_uses_ssa_offset(b
, ptr
)) {
2744 nir_ssa_def
*offset
, *index
;
2745 offset
= vtn_pointer_to_offset(b
, ptr
, &index
);
2747 assert(ptr
->mode
== vtn_variable_mode_ssbo
);
2749 nir_intrinsic_op op
= get_ssbo_nir_atomic_op(b
, opcode
);
2750 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2754 case SpvOpAtomicLoad
:
2755 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2756 nir_intrinsic_set_align(atomic
, 4, 0);
2757 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2758 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2759 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2762 case SpvOpAtomicStore
:
2763 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2764 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2765 nir_intrinsic_set_align(atomic
, 4, 0);
2766 atomic
->src
[src
++] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2767 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2768 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2769 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2772 case SpvOpAtomicExchange
:
2773 case SpvOpAtomicCompareExchange
:
2774 case SpvOpAtomicCompareExchangeWeak
:
2775 case SpvOpAtomicIIncrement
:
2776 case SpvOpAtomicIDecrement
:
2777 case SpvOpAtomicIAdd
:
2778 case SpvOpAtomicISub
:
2779 case SpvOpAtomicSMin
:
2780 case SpvOpAtomicUMin
:
2781 case SpvOpAtomicSMax
:
2782 case SpvOpAtomicUMax
:
2783 case SpvOpAtomicAnd
:
2785 case SpvOpAtomicXor
:
2786 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2787 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2788 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2789 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[src
]);
2793 vtn_fail_with_opcode("Invalid SPIR-V atomic", opcode
);
2796 nir_deref_instr
*deref
= vtn_pointer_to_deref(b
, ptr
);
2797 const struct glsl_type
*deref_type
= deref
->type
;
2798 nir_intrinsic_op op
= get_deref_nir_atomic_op(b
, opcode
);
2799 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2800 atomic
->src
[0] = nir_src_for_ssa(&deref
->dest
.ssa
);
2803 case SpvOpAtomicLoad
:
2804 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2807 case SpvOpAtomicStore
:
2808 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2809 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2810 atomic
->src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2813 case SpvOpAtomicExchange
:
2814 case SpvOpAtomicCompareExchange
:
2815 case SpvOpAtomicCompareExchangeWeak
:
2816 case SpvOpAtomicIIncrement
:
2817 case SpvOpAtomicIDecrement
:
2818 case SpvOpAtomicIAdd
:
2819 case SpvOpAtomicISub
:
2820 case SpvOpAtomicSMin
:
2821 case SpvOpAtomicUMin
:
2822 case SpvOpAtomicSMax
:
2823 case SpvOpAtomicUMax
:
2824 case SpvOpAtomicAnd
:
2826 case SpvOpAtomicXor
:
2827 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[1]);
2831 vtn_fail_with_opcode("Invalid SPIR-V atomic", opcode
);
2835 if (opcode
!= SpvOpAtomicStore
) {
2836 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2838 nir_ssa_dest_init(&atomic
->instr
, &atomic
->dest
,
2839 glsl_get_vector_elements(type
->type
),
2840 glsl_get_bit_size(type
->type
), NULL
);
2842 struct vtn_ssa_value
*ssa
= rzalloc(b
, struct vtn_ssa_value
);
2843 ssa
->def
= &atomic
->dest
.ssa
;
2844 ssa
->type
= type
->type
;
2845 vtn_push_ssa(b
, w
[2], type
, ssa
);
2848 nir_builder_instr_insert(&b
->nb
, &atomic
->instr
);
2851 static nir_alu_instr
*
2852 create_vec(struct vtn_builder
*b
, unsigned num_components
, unsigned bit_size
)
2854 nir_op op
= nir_op_vec(num_components
);
2855 nir_alu_instr
*vec
= nir_alu_instr_create(b
->shader
, op
);
2856 nir_ssa_dest_init(&vec
->instr
, &vec
->dest
.dest
, num_components
,
2858 vec
->dest
.write_mask
= (1 << num_components
) - 1;
2863 struct vtn_ssa_value
*
2864 vtn_ssa_transpose(struct vtn_builder
*b
, struct vtn_ssa_value
*src
)
2866 if (src
->transposed
)
2867 return src
->transposed
;
2869 struct vtn_ssa_value
*dest
=
2870 vtn_create_ssa_value(b
, glsl_transposed_type(src
->type
));
2872 for (unsigned i
= 0; i
< glsl_get_matrix_columns(dest
->type
); i
++) {
2873 nir_alu_instr
*vec
= create_vec(b
, glsl_get_matrix_columns(src
->type
),
2874 glsl_get_bit_size(src
->type
));
2875 if (glsl_type_is_vector_or_scalar(src
->type
)) {
2876 vec
->src
[0].src
= nir_src_for_ssa(src
->def
);
2877 vec
->src
[0].swizzle
[0] = i
;
2879 for (unsigned j
= 0; j
< glsl_get_matrix_columns(src
->type
); j
++) {
2880 vec
->src
[j
].src
= nir_src_for_ssa(src
->elems
[j
]->def
);
2881 vec
->src
[j
].swizzle
[0] = i
;
2884 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2885 dest
->elems
[i
]->def
= &vec
->dest
.dest
.ssa
;
2888 dest
->transposed
= src
;
2894 vtn_vector_extract(struct vtn_builder
*b
, nir_ssa_def
*src
, unsigned index
)
2896 return nir_channel(&b
->nb
, src
, index
);
2900 vtn_vector_insert(struct vtn_builder
*b
, nir_ssa_def
*src
, nir_ssa_def
*insert
,
2903 nir_alu_instr
*vec
= create_vec(b
, src
->num_components
,
2906 for (unsigned i
= 0; i
< src
->num_components
; i
++) {
2908 vec
->src
[i
].src
= nir_src_for_ssa(insert
);
2910 vec
->src
[i
].src
= nir_src_for_ssa(src
);
2911 vec
->src
[i
].swizzle
[0] = i
;
2915 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2917 return &vec
->dest
.dest
.ssa
;
2920 static nir_ssa_def
*
2921 nir_ieq_imm(nir_builder
*b
, nir_ssa_def
*x
, uint64_t i
)
2923 return nir_ieq(b
, x
, nir_imm_intN_t(b
, i
, x
->bit_size
));
2927 vtn_vector_extract_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
2930 return nir_vector_extract(&b
->nb
, src
, nir_i2i(&b
->nb
, index
, 32));
2934 vtn_vector_insert_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
2935 nir_ssa_def
*insert
, nir_ssa_def
*index
)
2937 nir_ssa_def
*dest
= vtn_vector_insert(b
, src
, insert
, 0);
2938 for (unsigned i
= 1; i
< src
->num_components
; i
++)
2939 dest
= nir_bcsel(&b
->nb
, nir_ieq_imm(&b
->nb
, index
, i
),
2940 vtn_vector_insert(b
, src
, insert
, i
), dest
);
2945 static nir_ssa_def
*
2946 vtn_vector_shuffle(struct vtn_builder
*b
, unsigned num_components
,
2947 nir_ssa_def
*src0
, nir_ssa_def
*src1
,
2948 const uint32_t *indices
)
2950 nir_alu_instr
*vec
= create_vec(b
, num_components
, src0
->bit_size
);
2952 for (unsigned i
= 0; i
< num_components
; i
++) {
2953 uint32_t index
= indices
[i
];
2954 if (index
== 0xffffffff) {
2956 nir_src_for_ssa(nir_ssa_undef(&b
->nb
, 1, src0
->bit_size
));
2957 } else if (index
< src0
->num_components
) {
2958 vec
->src
[i
].src
= nir_src_for_ssa(src0
);
2959 vec
->src
[i
].swizzle
[0] = index
;
2961 vec
->src
[i
].src
= nir_src_for_ssa(src1
);
2962 vec
->src
[i
].swizzle
[0] = index
- src0
->num_components
;
2966 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2968 return &vec
->dest
.dest
.ssa
;
2972 * Concatentates a number of vectors/scalars together to produce a vector
2974 static nir_ssa_def
*
2975 vtn_vector_construct(struct vtn_builder
*b
, unsigned num_components
,
2976 unsigned num_srcs
, nir_ssa_def
**srcs
)
2978 nir_alu_instr
*vec
= create_vec(b
, num_components
, srcs
[0]->bit_size
);
2980 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
2982 * "When constructing a vector, there must be at least two Constituent
2985 vtn_assert(num_srcs
>= 2);
2987 unsigned dest_idx
= 0;
2988 for (unsigned i
= 0; i
< num_srcs
; i
++) {
2989 nir_ssa_def
*src
= srcs
[i
];
2990 vtn_assert(dest_idx
+ src
->num_components
<= num_components
);
2991 for (unsigned j
= 0; j
< src
->num_components
; j
++) {
2992 vec
->src
[dest_idx
].src
= nir_src_for_ssa(src
);
2993 vec
->src
[dest_idx
].swizzle
[0] = j
;
2998 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
3000 * "When constructing a vector, the total number of components in all
3001 * the operands must equal the number of components in Result Type."
3003 vtn_assert(dest_idx
== num_components
);
3005 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
3007 return &vec
->dest
.dest
.ssa
;
3010 static struct vtn_ssa_value
*
3011 vtn_composite_copy(void *mem_ctx
, struct vtn_ssa_value
*src
)
3013 struct vtn_ssa_value
*dest
= rzalloc(mem_ctx
, struct vtn_ssa_value
);
3014 dest
->type
= src
->type
;
3016 if (glsl_type_is_vector_or_scalar(src
->type
)) {
3017 dest
->def
= src
->def
;
3019 unsigned elems
= glsl_get_length(src
->type
);
3021 dest
->elems
= ralloc_array(mem_ctx
, struct vtn_ssa_value
*, elems
);
3022 for (unsigned i
= 0; i
< elems
; i
++)
3023 dest
->elems
[i
] = vtn_composite_copy(mem_ctx
, src
->elems
[i
]);
3029 static struct vtn_ssa_value
*
3030 vtn_composite_insert(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
3031 struct vtn_ssa_value
*insert
, const uint32_t *indices
,
3032 unsigned num_indices
)
3034 struct vtn_ssa_value
*dest
= vtn_composite_copy(b
, src
);
3036 struct vtn_ssa_value
*cur
= dest
;
3038 for (i
= 0; i
< num_indices
- 1; i
++) {
3039 cur
= cur
->elems
[indices
[i
]];
3042 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
3043 /* According to the SPIR-V spec, OpCompositeInsert may work down to
3044 * the component granularity. In that case, the last index will be
3045 * the index to insert the scalar into the vector.
3048 cur
->def
= vtn_vector_insert(b
, cur
->def
, insert
->def
, indices
[i
]);
3050 cur
->elems
[indices
[i
]] = insert
;
3056 static struct vtn_ssa_value
*
3057 vtn_composite_extract(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
3058 const uint32_t *indices
, unsigned num_indices
)
3060 struct vtn_ssa_value
*cur
= src
;
3061 for (unsigned i
= 0; i
< num_indices
; i
++) {
3062 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
3063 vtn_assert(i
== num_indices
- 1);
3064 /* According to the SPIR-V spec, OpCompositeExtract may work down to
3065 * the component granularity. The last index will be the index of the
3066 * vector to extract.
3069 struct vtn_ssa_value
*ret
= rzalloc(b
, struct vtn_ssa_value
);
3070 ret
->type
= glsl_scalar_type(glsl_get_base_type(cur
->type
));
3071 ret
->def
= vtn_vector_extract(b
, cur
->def
, indices
[i
]);
3074 cur
= cur
->elems
[indices
[i
]];
3082 vtn_handle_composite(struct vtn_builder
*b
, SpvOp opcode
,
3083 const uint32_t *w
, unsigned count
)
3085 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
3086 struct vtn_ssa_value
*ssa
= vtn_create_ssa_value(b
, type
->type
);
3089 case SpvOpVectorExtractDynamic
:
3090 ssa
->def
= vtn_vector_extract_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
3091 vtn_ssa_value(b
, w
[4])->def
);
3094 case SpvOpVectorInsertDynamic
:
3095 ssa
->def
= vtn_vector_insert_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
3096 vtn_ssa_value(b
, w
[4])->def
,
3097 vtn_ssa_value(b
, w
[5])->def
);
3100 case SpvOpVectorShuffle
:
3101 ssa
->def
= vtn_vector_shuffle(b
, glsl_get_vector_elements(type
->type
),
3102 vtn_ssa_value(b
, w
[3])->def
,
3103 vtn_ssa_value(b
, w
[4])->def
,
3107 case SpvOpCompositeConstruct
: {
3108 unsigned elems
= count
- 3;
3110 if (glsl_type_is_vector_or_scalar(type
->type
)) {
3111 nir_ssa_def
*srcs
[NIR_MAX_VEC_COMPONENTS
];
3112 for (unsigned i
= 0; i
< elems
; i
++)
3113 srcs
[i
] = vtn_ssa_value(b
, w
[3 + i
])->def
;
3115 vtn_vector_construct(b
, glsl_get_vector_elements(type
->type
),
3118 ssa
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
3119 for (unsigned i
= 0; i
< elems
; i
++)
3120 ssa
->elems
[i
] = vtn_ssa_value(b
, w
[3 + i
]);
3124 case SpvOpCompositeExtract
:
3125 ssa
= vtn_composite_extract(b
, vtn_ssa_value(b
, w
[3]),
3129 case SpvOpCompositeInsert
:
3130 ssa
= vtn_composite_insert(b
, vtn_ssa_value(b
, w
[4]),
3131 vtn_ssa_value(b
, w
[3]),
3135 case SpvOpCopyLogical
:
3136 case SpvOpCopyObject
:
3137 ssa
= vtn_composite_copy(b
, vtn_ssa_value(b
, w
[3]));
3141 vtn_fail_with_opcode("unknown composite operation", opcode
);
3144 vtn_push_ssa(b
, w
[2], type
, ssa
);
3148 vtn_emit_barrier(struct vtn_builder
*b
, nir_intrinsic_op op
)
3150 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
3151 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3155 vtn_emit_memory_barrier(struct vtn_builder
*b
, SpvScope scope
,
3156 SpvMemorySemanticsMask semantics
)
3158 static const SpvMemorySemanticsMask all_memory_semantics
=
3159 SpvMemorySemanticsUniformMemoryMask
|
3160 SpvMemorySemanticsWorkgroupMemoryMask
|
3161 SpvMemorySemanticsAtomicCounterMemoryMask
|
3162 SpvMemorySemanticsImageMemoryMask
;
3164 /* If we're not actually doing a memory barrier, bail */
3165 if (!(semantics
& all_memory_semantics
))
3168 /* GL and Vulkan don't have these */
3169 vtn_assert(scope
!= SpvScopeCrossDevice
);
3171 if (scope
== SpvScopeSubgroup
)
3172 return; /* Nothing to do here */
3174 if (scope
== SpvScopeWorkgroup
) {
3175 vtn_emit_barrier(b
, nir_intrinsic_group_memory_barrier
);
3179 /* There's only two scopes thing left */
3180 vtn_assert(scope
== SpvScopeInvocation
|| scope
== SpvScopeDevice
);
3182 if ((semantics
& all_memory_semantics
) == all_memory_semantics
) {
3183 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier
);
3187 /* Issue a bunch of more specific barriers */
3188 uint32_t bits
= semantics
;
3190 SpvMemorySemanticsMask semantic
= 1 << u_bit_scan(&bits
);
3192 case SpvMemorySemanticsUniformMemoryMask
:
3193 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_buffer
);
3195 case SpvMemorySemanticsWorkgroupMemoryMask
:
3196 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_shared
);
3198 case SpvMemorySemanticsAtomicCounterMemoryMask
:
3199 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_atomic_counter
);
3201 case SpvMemorySemanticsImageMemoryMask
:
3202 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_image
);
3211 vtn_handle_barrier(struct vtn_builder
*b
, SpvOp opcode
,
3212 const uint32_t *w
, unsigned count
)
3215 case SpvOpEmitVertex
:
3216 case SpvOpEmitStreamVertex
:
3217 case SpvOpEndPrimitive
:
3218 case SpvOpEndStreamPrimitive
: {
3219 nir_intrinsic_op intrinsic_op
;
3221 case SpvOpEmitVertex
:
3222 case SpvOpEmitStreamVertex
:
3223 intrinsic_op
= nir_intrinsic_emit_vertex
;
3225 case SpvOpEndPrimitive
:
3226 case SpvOpEndStreamPrimitive
:
3227 intrinsic_op
= nir_intrinsic_end_primitive
;
3230 unreachable("Invalid opcode");
3233 nir_intrinsic_instr
*intrin
=
3234 nir_intrinsic_instr_create(b
->shader
, intrinsic_op
);
3237 case SpvOpEmitStreamVertex
:
3238 case SpvOpEndStreamPrimitive
: {
3239 unsigned stream
= vtn_constant_uint(b
, w
[1]);
3240 nir_intrinsic_set_stream_id(intrin
, stream
);
3248 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3252 case SpvOpMemoryBarrier
: {
3253 SpvScope scope
= vtn_constant_uint(b
, w
[1]);
3254 SpvMemorySemanticsMask semantics
= vtn_constant_uint(b
, w
[2]);
3255 vtn_emit_memory_barrier(b
, scope
, semantics
);
3259 case SpvOpControlBarrier
: {
3260 SpvScope memory_scope
= vtn_constant_uint(b
, w
[2]);
3261 SpvMemorySemanticsMask memory_semantics
= vtn_constant_uint(b
, w
[3]);
3262 vtn_emit_memory_barrier(b
, memory_scope
, memory_semantics
);
3264 SpvScope execution_scope
= vtn_constant_uint(b
, w
[1]);
3265 if (execution_scope
== SpvScopeWorkgroup
)
3266 vtn_emit_barrier(b
, nir_intrinsic_barrier
);
3271 unreachable("unknown barrier instruction");
3276 gl_primitive_from_spv_execution_mode(struct vtn_builder
*b
,
3277 SpvExecutionMode mode
)
3280 case SpvExecutionModeInputPoints
:
3281 case SpvExecutionModeOutputPoints
:
3282 return 0; /* GL_POINTS */
3283 case SpvExecutionModeInputLines
:
3284 return 1; /* GL_LINES */
3285 case SpvExecutionModeInputLinesAdjacency
:
3286 return 0x000A; /* GL_LINE_STRIP_ADJACENCY_ARB */
3287 case SpvExecutionModeTriangles
:
3288 return 4; /* GL_TRIANGLES */
3289 case SpvExecutionModeInputTrianglesAdjacency
:
3290 return 0x000C; /* GL_TRIANGLES_ADJACENCY_ARB */
3291 case SpvExecutionModeQuads
:
3292 return 7; /* GL_QUADS */
3293 case SpvExecutionModeIsolines
:
3294 return 0x8E7A; /* GL_ISOLINES */
3295 case SpvExecutionModeOutputLineStrip
:
3296 return 3; /* GL_LINE_STRIP */
3297 case SpvExecutionModeOutputTriangleStrip
:
3298 return 5; /* GL_TRIANGLE_STRIP */
3300 vtn_fail("Invalid primitive type: %s (%u)",
3301 spirv_executionmode_to_string(mode
), mode
);
3306 vertices_in_from_spv_execution_mode(struct vtn_builder
*b
,
3307 SpvExecutionMode mode
)
3310 case SpvExecutionModeInputPoints
:
3312 case SpvExecutionModeInputLines
:
3314 case SpvExecutionModeInputLinesAdjacency
:
3316 case SpvExecutionModeTriangles
:
3318 case SpvExecutionModeInputTrianglesAdjacency
:
3321 vtn_fail("Invalid GS input mode: %s (%u)",
3322 spirv_executionmode_to_string(mode
), mode
);
3326 static gl_shader_stage
3327 stage_for_execution_model(struct vtn_builder
*b
, SpvExecutionModel model
)
3330 case SpvExecutionModelVertex
:
3331 return MESA_SHADER_VERTEX
;
3332 case SpvExecutionModelTessellationControl
:
3333 return MESA_SHADER_TESS_CTRL
;
3334 case SpvExecutionModelTessellationEvaluation
:
3335 return MESA_SHADER_TESS_EVAL
;
3336 case SpvExecutionModelGeometry
:
3337 return MESA_SHADER_GEOMETRY
;
3338 case SpvExecutionModelFragment
:
3339 return MESA_SHADER_FRAGMENT
;
3340 case SpvExecutionModelGLCompute
:
3341 return MESA_SHADER_COMPUTE
;
3342 case SpvExecutionModelKernel
:
3343 return MESA_SHADER_KERNEL
;
3345 vtn_fail("Unsupported execution model: %s (%u)",
3346 spirv_executionmodel_to_string(model
), model
);
3350 #define spv_check_supported(name, cap) do { \
3351 if (!(b->options && b->options->caps.name)) \
3352 vtn_warn("Unsupported SPIR-V capability: %s (%u)", \
3353 spirv_capability_to_string(cap), cap); \
3358 vtn_handle_entry_point(struct vtn_builder
*b
, const uint32_t *w
,
3361 struct vtn_value
*entry_point
= &b
->values
[w
[2]];
3362 /* Let this be a name label regardless */
3363 unsigned name_words
;
3364 entry_point
->name
= vtn_string_literal(b
, &w
[3], count
- 3, &name_words
);
3366 if (strcmp(entry_point
->name
, b
->entry_point_name
) != 0 ||
3367 stage_for_execution_model(b
, w
[1]) != b
->entry_point_stage
)
3370 vtn_assert(b
->entry_point
== NULL
);
3371 b
->entry_point
= entry_point
;
3375 vtn_handle_preamble_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3376 const uint32_t *w
, unsigned count
)
3383 case SpvSourceLanguageUnknown
: lang
= "unknown"; break;
3384 case SpvSourceLanguageESSL
: lang
= "ESSL"; break;
3385 case SpvSourceLanguageGLSL
: lang
= "GLSL"; break;
3386 case SpvSourceLanguageOpenCL_C
: lang
= "OpenCL C"; break;
3387 case SpvSourceLanguageOpenCL_CPP
: lang
= "OpenCL C++"; break;
3388 case SpvSourceLanguageHLSL
: lang
= "HLSL"; break;
3391 uint32_t version
= w
[2];
3394 (count
> 3) ? vtn_value(b
, w
[3], vtn_value_type_string
)->str
: "";
3396 vtn_info("Parsing SPIR-V from %s %u source file %s", lang
, version
, file
);
3400 case SpvOpSourceExtension
:
3401 case SpvOpSourceContinued
:
3402 case SpvOpExtension
:
3403 case SpvOpModuleProcessed
:
3404 /* Unhandled, but these are for debug so that's ok. */
3407 case SpvOpCapability
: {
3408 SpvCapability cap
= w
[1];
3410 case SpvCapabilityMatrix
:
3411 case SpvCapabilityShader
:
3412 case SpvCapabilityGeometry
:
3413 case SpvCapabilityGeometryPointSize
:
3414 case SpvCapabilityUniformBufferArrayDynamicIndexing
:
3415 case SpvCapabilitySampledImageArrayDynamicIndexing
:
3416 case SpvCapabilityStorageBufferArrayDynamicIndexing
:
3417 case SpvCapabilityStorageImageArrayDynamicIndexing
:
3418 case SpvCapabilityImageRect
:
3419 case SpvCapabilitySampledRect
:
3420 case SpvCapabilitySampled1D
:
3421 case SpvCapabilityImage1D
:
3422 case SpvCapabilitySampledCubeArray
:
3423 case SpvCapabilityImageCubeArray
:
3424 case SpvCapabilitySampledBuffer
:
3425 case SpvCapabilityImageBuffer
:
3426 case SpvCapabilityImageQuery
:
3427 case SpvCapabilityDerivativeControl
:
3428 case SpvCapabilityInterpolationFunction
:
3429 case SpvCapabilityMultiViewport
:
3430 case SpvCapabilitySampleRateShading
:
3431 case SpvCapabilityClipDistance
:
3432 case SpvCapabilityCullDistance
:
3433 case SpvCapabilityInputAttachment
:
3434 case SpvCapabilityImageGatherExtended
:
3435 case SpvCapabilityStorageImageExtendedFormats
:
3438 case SpvCapabilityLinkage
:
3439 case SpvCapabilityVector16
:
3440 case SpvCapabilityFloat16Buffer
:
3441 case SpvCapabilitySparseResidency
:
3442 vtn_warn("Unsupported SPIR-V capability: %s",
3443 spirv_capability_to_string(cap
));
3446 case SpvCapabilityMinLod
:
3447 spv_check_supported(min_lod
, cap
);
3450 case SpvCapabilityAtomicStorage
:
3451 spv_check_supported(atomic_storage
, cap
);
3454 case SpvCapabilityFloat64
:
3455 spv_check_supported(float64
, cap
);
3457 case SpvCapabilityInt64
:
3458 spv_check_supported(int64
, cap
);
3460 case SpvCapabilityInt16
:
3461 spv_check_supported(int16
, cap
);
3463 case SpvCapabilityInt8
:
3464 spv_check_supported(int8
, cap
);
3467 case SpvCapabilityTransformFeedback
:
3468 spv_check_supported(transform_feedback
, cap
);
3471 case SpvCapabilityGeometryStreams
:
3472 spv_check_supported(geometry_streams
, cap
);
3475 case SpvCapabilityInt64Atomics
:
3476 spv_check_supported(int64_atomics
, cap
);
3479 case SpvCapabilityStorageImageMultisample
:
3480 spv_check_supported(storage_image_ms
, cap
);
3483 case SpvCapabilityAddresses
:
3484 spv_check_supported(address
, cap
);
3487 case SpvCapabilityKernel
:
3488 spv_check_supported(kernel
, cap
);
3491 case SpvCapabilityImageBasic
:
3492 case SpvCapabilityImageReadWrite
:
3493 case SpvCapabilityImageMipmap
:
3494 case SpvCapabilityPipes
:
3495 case SpvCapabilityDeviceEnqueue
:
3496 case SpvCapabilityLiteralSampler
:
3497 case SpvCapabilityGenericPointer
:
3498 vtn_warn("Unsupported OpenCL-style SPIR-V capability: %s",
3499 spirv_capability_to_string(cap
));
3502 case SpvCapabilityImageMSArray
:
3503 spv_check_supported(image_ms_array
, cap
);
3506 case SpvCapabilityTessellation
:
3507 case SpvCapabilityTessellationPointSize
:
3508 spv_check_supported(tessellation
, cap
);
3511 case SpvCapabilityDrawParameters
:
3512 spv_check_supported(draw_parameters
, cap
);
3515 case SpvCapabilityStorageImageReadWithoutFormat
:
3516 spv_check_supported(image_read_without_format
, cap
);
3519 case SpvCapabilityStorageImageWriteWithoutFormat
:
3520 spv_check_supported(image_write_without_format
, cap
);
3523 case SpvCapabilityDeviceGroup
:
3524 spv_check_supported(device_group
, cap
);
3527 case SpvCapabilityMultiView
:
3528 spv_check_supported(multiview
, cap
);
3531 case SpvCapabilityGroupNonUniform
:
3532 spv_check_supported(subgroup_basic
, cap
);
3535 case SpvCapabilitySubgroupVoteKHR
:
3536 case SpvCapabilityGroupNonUniformVote
:
3537 spv_check_supported(subgroup_vote
, cap
);
3540 case SpvCapabilitySubgroupBallotKHR
:
3541 case SpvCapabilityGroupNonUniformBallot
:
3542 spv_check_supported(subgroup_ballot
, cap
);
3545 case SpvCapabilityGroupNonUniformShuffle
:
3546 case SpvCapabilityGroupNonUniformShuffleRelative
:
3547 spv_check_supported(subgroup_shuffle
, cap
);
3550 case SpvCapabilityGroupNonUniformQuad
:
3551 spv_check_supported(subgroup_quad
, cap
);
3554 case SpvCapabilityGroupNonUniformArithmetic
:
3555 case SpvCapabilityGroupNonUniformClustered
:
3556 spv_check_supported(subgroup_arithmetic
, cap
);
3559 case SpvCapabilityGroups
:
3560 spv_check_supported(amd_shader_ballot
, cap
);
3563 case SpvCapabilityVariablePointersStorageBuffer
:
3564 case SpvCapabilityVariablePointers
:
3565 spv_check_supported(variable_pointers
, cap
);
3566 b
->variable_pointers
= true;
3569 case SpvCapabilityStorageUniformBufferBlock16
:
3570 case SpvCapabilityStorageUniform16
:
3571 case SpvCapabilityStoragePushConstant16
:
3572 case SpvCapabilityStorageInputOutput16
:
3573 spv_check_supported(storage_16bit
, cap
);
3576 case SpvCapabilityShaderViewportIndexLayerEXT
:
3577 spv_check_supported(shader_viewport_index_layer
, cap
);
3580 case SpvCapabilityStorageBuffer8BitAccess
:
3581 case SpvCapabilityUniformAndStorageBuffer8BitAccess
:
3582 case SpvCapabilityStoragePushConstant8
:
3583 spv_check_supported(storage_8bit
, cap
);
3586 case SpvCapabilityShaderNonUniformEXT
:
3587 spv_check_supported(descriptor_indexing
, cap
);
3590 case SpvCapabilityInputAttachmentArrayDynamicIndexingEXT
:
3591 case SpvCapabilityUniformTexelBufferArrayDynamicIndexingEXT
:
3592 case SpvCapabilityStorageTexelBufferArrayDynamicIndexingEXT
:
3593 spv_check_supported(descriptor_array_dynamic_indexing
, cap
);
3596 case SpvCapabilityUniformBufferArrayNonUniformIndexingEXT
:
3597 case SpvCapabilitySampledImageArrayNonUniformIndexingEXT
:
3598 case SpvCapabilityStorageBufferArrayNonUniformIndexingEXT
:
3599 case SpvCapabilityStorageImageArrayNonUniformIndexingEXT
:
3600 case SpvCapabilityInputAttachmentArrayNonUniformIndexingEXT
:
3601 case SpvCapabilityUniformTexelBufferArrayNonUniformIndexingEXT
:
3602 case SpvCapabilityStorageTexelBufferArrayNonUniformIndexingEXT
:
3603 spv_check_supported(descriptor_array_non_uniform_indexing
, cap
);
3606 case SpvCapabilityRuntimeDescriptorArrayEXT
:
3607 spv_check_supported(runtime_descriptor_array
, cap
);
3610 case SpvCapabilityStencilExportEXT
:
3611 spv_check_supported(stencil_export
, cap
);
3614 case SpvCapabilitySampleMaskPostDepthCoverage
:
3615 spv_check_supported(post_depth_coverage
, cap
);
3618 case SpvCapabilityPhysicalStorageBufferAddressesEXT
:
3619 spv_check_supported(physical_storage_buffer_address
, cap
);
3622 case SpvCapabilityComputeDerivativeGroupQuadsNV
:
3623 case SpvCapabilityComputeDerivativeGroupLinearNV
:
3624 spv_check_supported(derivative_group
, cap
);
3627 case SpvCapabilityFloat16
:
3628 spv_check_supported(float16
, cap
);
3631 case SpvCapabilityFragmentShaderSampleInterlockEXT
:
3632 spv_check_supported(fragment_shader_sample_interlock
, cap
);
3635 case SpvCapabilityFragmentShaderPixelInterlockEXT
:
3636 spv_check_supported(fragment_shader_pixel_interlock
, cap
);
3639 case SpvCapabilityDemoteToHelperInvocationEXT
:
3640 spv_check_supported(demote_to_helper_invocation
, cap
);
3644 vtn_fail("Unhandled capability: %s (%u)",
3645 spirv_capability_to_string(cap
), cap
);
3650 case SpvOpExtInstImport
:
3651 vtn_handle_extension(b
, opcode
, w
, count
);
3654 case SpvOpMemoryModel
:
3656 case SpvAddressingModelPhysical32
:
3657 vtn_fail_if(b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
,
3658 "AddressingModelPhysical32 only supported for kernels");
3659 b
->shader
->info
.cs
.ptr_size
= 32;
3660 b
->physical_ptrs
= true;
3661 b
->options
->shared_addr_format
= nir_address_format_32bit_global
;
3662 b
->options
->global_addr_format
= nir_address_format_32bit_global
;
3663 b
->options
->temp_addr_format
= nir_address_format_32bit_global
;
3665 case SpvAddressingModelPhysical64
:
3666 vtn_fail_if(b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
,
3667 "AddressingModelPhysical64 only supported for kernels");
3668 b
->shader
->info
.cs
.ptr_size
= 64;
3669 b
->physical_ptrs
= true;
3670 b
->options
->shared_addr_format
= nir_address_format_64bit_global
;
3671 b
->options
->global_addr_format
= nir_address_format_64bit_global
;
3672 b
->options
->temp_addr_format
= nir_address_format_64bit_global
;
3674 case SpvAddressingModelLogical
:
3675 vtn_fail_if(b
->shader
->info
.stage
>= MESA_SHADER_STAGES
,
3676 "AddressingModelLogical only supported for shaders");
3677 b
->shader
->info
.cs
.ptr_size
= 0;
3678 b
->physical_ptrs
= false;
3680 case SpvAddressingModelPhysicalStorageBuffer64EXT
:
3681 vtn_fail_if(!b
->options
||
3682 !b
->options
->caps
.physical_storage_buffer_address
,
3683 "AddressingModelPhysicalStorageBuffer64EXT not supported");
3686 vtn_fail("Unknown addressing model: %s (%u)",
3687 spirv_addressingmodel_to_string(w
[1]), w
[1]);
3691 vtn_assert(w
[2] == SpvMemoryModelSimple
||
3692 w
[2] == SpvMemoryModelGLSL450
||
3693 w
[2] == SpvMemoryModelOpenCL
);
3696 case SpvOpEntryPoint
:
3697 vtn_handle_entry_point(b
, w
, count
);
3701 vtn_push_value(b
, w
[1], vtn_value_type_string
)->str
=
3702 vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3706 b
->values
[w
[1]].name
= vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3709 case SpvOpMemberName
:
3713 case SpvOpExecutionMode
:
3714 case SpvOpExecutionModeId
:
3715 case SpvOpDecorationGroup
:
3717 case SpvOpDecorateId
:
3718 case SpvOpMemberDecorate
:
3719 case SpvOpGroupDecorate
:
3720 case SpvOpGroupMemberDecorate
:
3721 case SpvOpDecorateString
:
3722 case SpvOpMemberDecorateString
:
3723 vtn_handle_decoration(b
, opcode
, w
, count
);
3727 return false; /* End of preamble */
3734 vtn_handle_execution_mode(struct vtn_builder
*b
, struct vtn_value
*entry_point
,
3735 const struct vtn_decoration
*mode
, void *data
)
3737 vtn_assert(b
->entry_point
== entry_point
);
3739 switch(mode
->exec_mode
) {
3740 case SpvExecutionModeOriginUpperLeft
:
3741 case SpvExecutionModeOriginLowerLeft
:
3742 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3743 b
->shader
->info
.fs
.origin_upper_left
=
3744 (mode
->exec_mode
== SpvExecutionModeOriginUpperLeft
);
3747 case SpvExecutionModeEarlyFragmentTests
:
3748 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3749 b
->shader
->info
.fs
.early_fragment_tests
= true;
3752 case SpvExecutionModePostDepthCoverage
:
3753 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3754 b
->shader
->info
.fs
.post_depth_coverage
= true;
3757 case SpvExecutionModeInvocations
:
3758 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3759 b
->shader
->info
.gs
.invocations
= MAX2(1, mode
->operands
[0]);
3762 case SpvExecutionModeDepthReplacing
:
3763 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3764 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_ANY
;
3766 case SpvExecutionModeDepthGreater
:
3767 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3768 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_GREATER
;
3770 case SpvExecutionModeDepthLess
:
3771 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3772 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_LESS
;
3774 case SpvExecutionModeDepthUnchanged
:
3775 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3776 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_UNCHANGED
;
3779 case SpvExecutionModeLocalSize
:
3780 vtn_assert(gl_shader_stage_is_compute(b
->shader
->info
.stage
));
3781 b
->shader
->info
.cs
.local_size
[0] = mode
->operands
[0];
3782 b
->shader
->info
.cs
.local_size
[1] = mode
->operands
[1];
3783 b
->shader
->info
.cs
.local_size
[2] = mode
->operands
[2];
3786 case SpvExecutionModeLocalSizeId
:
3787 b
->shader
->info
.cs
.local_size
[0] = vtn_constant_uint(b
, mode
->operands
[0]);
3788 b
->shader
->info
.cs
.local_size
[1] = vtn_constant_uint(b
, mode
->operands
[1]);
3789 b
->shader
->info
.cs
.local_size
[2] = vtn_constant_uint(b
, mode
->operands
[2]);
3792 case SpvExecutionModeLocalSizeHint
:
3793 case SpvExecutionModeLocalSizeHintId
:
3794 break; /* Nothing to do with this */
3796 case SpvExecutionModeOutputVertices
:
3797 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3798 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3799 b
->shader
->info
.tess
.tcs_vertices_out
= mode
->operands
[0];
3801 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3802 b
->shader
->info
.gs
.vertices_out
= mode
->operands
[0];
3806 case SpvExecutionModeInputPoints
:
3807 case SpvExecutionModeInputLines
:
3808 case SpvExecutionModeInputLinesAdjacency
:
3809 case SpvExecutionModeTriangles
:
3810 case SpvExecutionModeInputTrianglesAdjacency
:
3811 case SpvExecutionModeQuads
:
3812 case SpvExecutionModeIsolines
:
3813 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3814 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3815 b
->shader
->info
.tess
.primitive_mode
=
3816 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3818 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3819 b
->shader
->info
.gs
.vertices_in
=
3820 vertices_in_from_spv_execution_mode(b
, mode
->exec_mode
);
3821 b
->shader
->info
.gs
.input_primitive
=
3822 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3826 case SpvExecutionModeOutputPoints
:
3827 case SpvExecutionModeOutputLineStrip
:
3828 case SpvExecutionModeOutputTriangleStrip
:
3829 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3830 b
->shader
->info
.gs
.output_primitive
=
3831 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3834 case SpvExecutionModeSpacingEqual
:
3835 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3836 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3837 b
->shader
->info
.tess
.spacing
= TESS_SPACING_EQUAL
;
3839 case SpvExecutionModeSpacingFractionalEven
:
3840 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3841 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3842 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_EVEN
;
3844 case SpvExecutionModeSpacingFractionalOdd
:
3845 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3846 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3847 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_ODD
;
3849 case SpvExecutionModeVertexOrderCw
:
3850 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3851 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3852 b
->shader
->info
.tess
.ccw
= false;
3854 case SpvExecutionModeVertexOrderCcw
:
3855 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3856 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3857 b
->shader
->info
.tess
.ccw
= true;
3859 case SpvExecutionModePointMode
:
3860 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3861 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3862 b
->shader
->info
.tess
.point_mode
= true;
3865 case SpvExecutionModePixelCenterInteger
:
3866 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3867 b
->shader
->info
.fs
.pixel_center_integer
= true;
3870 case SpvExecutionModeXfb
:
3871 b
->shader
->info
.has_transform_feedback_varyings
= true;
3874 case SpvExecutionModeVecTypeHint
:
3877 case SpvExecutionModeContractionOff
:
3878 if (b
->shader
->info
.stage
!= MESA_SHADER_KERNEL
)
3879 vtn_warn("ExectionMode only allowed for CL-style kernels: %s",
3880 spirv_executionmode_to_string(mode
->exec_mode
));
3885 case SpvExecutionModeStencilRefReplacingEXT
:
3886 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3889 case SpvExecutionModeDerivativeGroupQuadsNV
:
3890 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_COMPUTE
);
3891 b
->shader
->info
.cs
.derivative_group
= DERIVATIVE_GROUP_QUADS
;
3894 case SpvExecutionModeDerivativeGroupLinearNV
:
3895 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_COMPUTE
);
3896 b
->shader
->info
.cs
.derivative_group
= DERIVATIVE_GROUP_LINEAR
;
3899 case SpvExecutionModePixelInterlockOrderedEXT
:
3900 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3901 b
->shader
->info
.fs
.pixel_interlock_ordered
= true;
3904 case SpvExecutionModePixelInterlockUnorderedEXT
:
3905 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3906 b
->shader
->info
.fs
.pixel_interlock_unordered
= true;
3909 case SpvExecutionModeSampleInterlockOrderedEXT
:
3910 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3911 b
->shader
->info
.fs
.sample_interlock_ordered
= true;
3914 case SpvExecutionModeSampleInterlockUnorderedEXT
:
3915 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3916 b
->shader
->info
.fs
.sample_interlock_unordered
= true;
3920 vtn_fail("Unhandled execution mode: %s (%u)",
3921 spirv_executionmode_to_string(mode
->exec_mode
),
3927 vtn_handle_variable_or_type_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3928 const uint32_t *w
, unsigned count
)
3930 vtn_set_instruction_result_type(b
, opcode
, w
, count
);
3934 case SpvOpSourceContinued
:
3935 case SpvOpSourceExtension
:
3936 case SpvOpExtension
:
3937 case SpvOpCapability
:
3938 case SpvOpExtInstImport
:
3939 case SpvOpMemoryModel
:
3940 case SpvOpEntryPoint
:
3941 case SpvOpExecutionMode
:
3944 case SpvOpMemberName
:
3945 case SpvOpDecorationGroup
:
3947 case SpvOpDecorateId
:
3948 case SpvOpMemberDecorate
:
3949 case SpvOpGroupDecorate
:
3950 case SpvOpGroupMemberDecorate
:
3951 case SpvOpDecorateString
:
3952 case SpvOpMemberDecorateString
:
3953 vtn_fail("Invalid opcode types and variables section");
3959 case SpvOpTypeFloat
:
3960 case SpvOpTypeVector
:
3961 case SpvOpTypeMatrix
:
3962 case SpvOpTypeImage
:
3963 case SpvOpTypeSampler
:
3964 case SpvOpTypeSampledImage
:
3965 case SpvOpTypeArray
:
3966 case SpvOpTypeRuntimeArray
:
3967 case SpvOpTypeStruct
:
3968 case SpvOpTypeOpaque
:
3969 case SpvOpTypePointer
:
3970 case SpvOpTypeForwardPointer
:
3971 case SpvOpTypeFunction
:
3972 case SpvOpTypeEvent
:
3973 case SpvOpTypeDeviceEvent
:
3974 case SpvOpTypeReserveId
:
3975 case SpvOpTypeQueue
:
3977 vtn_handle_type(b
, opcode
, w
, count
);
3980 case SpvOpConstantTrue
:
3981 case SpvOpConstantFalse
:
3983 case SpvOpConstantComposite
:
3984 case SpvOpConstantSampler
:
3985 case SpvOpConstantNull
:
3986 case SpvOpSpecConstantTrue
:
3987 case SpvOpSpecConstantFalse
:
3988 case SpvOpSpecConstant
:
3989 case SpvOpSpecConstantComposite
:
3990 case SpvOpSpecConstantOp
:
3991 vtn_handle_constant(b
, opcode
, w
, count
);
3996 vtn_handle_variables(b
, opcode
, w
, count
);
4000 return false; /* End of preamble */
4006 static struct vtn_ssa_value
*
4007 vtn_nir_select(struct vtn_builder
*b
, struct vtn_ssa_value
*src0
,
4008 struct vtn_ssa_value
*src1
, struct vtn_ssa_value
*src2
)
4010 struct vtn_ssa_value
*dest
= rzalloc(b
, struct vtn_ssa_value
);
4011 dest
->type
= src1
->type
;
4013 if (glsl_type_is_vector_or_scalar(src1
->type
)) {
4014 dest
->def
= nir_bcsel(&b
->nb
, src0
->def
, src1
->def
, src2
->def
);
4016 unsigned elems
= glsl_get_length(src1
->type
);
4018 dest
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
4019 for (unsigned i
= 0; i
< elems
; i
++) {
4020 dest
->elems
[i
] = vtn_nir_select(b
, src0
,
4021 src1
->elems
[i
], src2
->elems
[i
]);
4029 vtn_handle_select(struct vtn_builder
*b
, SpvOp opcode
,
4030 const uint32_t *w
, unsigned count
)
4032 /* Handle OpSelect up-front here because it needs to be able to handle
4033 * pointers and not just regular vectors and scalars.
4035 struct vtn_value
*res_val
= vtn_untyped_value(b
, w
[2]);
4036 struct vtn_value
*cond_val
= vtn_untyped_value(b
, w
[3]);
4037 struct vtn_value
*obj1_val
= vtn_untyped_value(b
, w
[4]);
4038 struct vtn_value
*obj2_val
= vtn_untyped_value(b
, w
[5]);
4040 vtn_fail_if(obj1_val
->type
!= res_val
->type
||
4041 obj2_val
->type
!= res_val
->type
,
4042 "Object types must match the result type in OpSelect");
4044 vtn_fail_if((cond_val
->type
->base_type
!= vtn_base_type_scalar
&&
4045 cond_val
->type
->base_type
!= vtn_base_type_vector
) ||
4046 !glsl_type_is_boolean(cond_val
->type
->type
),
4047 "OpSelect must have either a vector of booleans or "
4048 "a boolean as Condition type");
4050 vtn_fail_if(cond_val
->type
->base_type
== vtn_base_type_vector
&&
4051 (res_val
->type
->base_type
!= vtn_base_type_vector
||
4052 res_val
->type
->length
!= cond_val
->type
->length
),
4053 "When Condition type in OpSelect is a vector, the Result "
4054 "type must be a vector of the same length");
4056 switch (res_val
->type
->base_type
) {
4057 case vtn_base_type_scalar
:
4058 case vtn_base_type_vector
:
4059 case vtn_base_type_matrix
:
4060 case vtn_base_type_array
:
4061 case vtn_base_type_struct
:
4064 case vtn_base_type_pointer
:
4065 /* We need to have actual storage for pointer types. */
4066 vtn_fail_if(res_val
->type
->type
== NULL
,
4067 "Invalid pointer result type for OpSelect");
4070 vtn_fail("Result type of OpSelect must be a scalar, composite, or pointer");
4073 struct vtn_type
*res_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
4074 struct vtn_ssa_value
*ssa
= vtn_nir_select(b
,
4075 vtn_ssa_value(b
, w
[3]), vtn_ssa_value(b
, w
[4]), vtn_ssa_value(b
, w
[5]));
4077 vtn_push_ssa(b
, w
[2], res_type
, ssa
);
4081 vtn_handle_ptr(struct vtn_builder
*b
, SpvOp opcode
,
4082 const uint32_t *w
, unsigned count
)
4084 struct vtn_type
*type1
= vtn_untyped_value(b
, w
[3])->type
;
4085 struct vtn_type
*type2
= vtn_untyped_value(b
, w
[4])->type
;
4086 vtn_fail_if(type1
->base_type
!= vtn_base_type_pointer
||
4087 type2
->base_type
!= vtn_base_type_pointer
,
4088 "%s operands must have pointer types",
4089 spirv_op_to_string(opcode
));
4090 vtn_fail_if(type1
->storage_class
!= type2
->storage_class
,
4091 "%s operands must have the same storage class",
4092 spirv_op_to_string(opcode
));
4094 struct vtn_type
*vtn_type
=
4095 vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
4096 const struct glsl_type
*type
= vtn_type
->type
;
4098 nir_address_format addr_format
= vtn_mode_to_address_format(
4099 b
, vtn_storage_class_to_mode(b
, type1
->storage_class
, NULL
, NULL
));
4104 case SpvOpPtrDiff
: {
4105 /* OpPtrDiff returns the difference in number of elements (not byte offset). */
4106 unsigned elem_size
, elem_align
;
4107 glsl_get_natural_size_align_bytes(type1
->deref
->type
,
4108 &elem_size
, &elem_align
);
4110 def
= nir_build_addr_isub(&b
->nb
,
4111 vtn_ssa_value(b
, w
[3])->def
,
4112 vtn_ssa_value(b
, w
[4])->def
,
4114 def
= nir_idiv(&b
->nb
, def
, nir_imm_intN_t(&b
->nb
, elem_size
, def
->bit_size
));
4115 def
= nir_i2i(&b
->nb
, def
, glsl_get_bit_size(type
));
4120 case SpvOpPtrNotEqual
: {
4121 def
= nir_build_addr_ieq(&b
->nb
,
4122 vtn_ssa_value(b
, w
[3])->def
,
4123 vtn_ssa_value(b
, w
[4])->def
,
4125 if (opcode
== SpvOpPtrNotEqual
)
4126 def
= nir_inot(&b
->nb
, def
);
4131 unreachable("Invalid ptr operation");
4134 struct vtn_ssa_value
*ssa_value
= vtn_create_ssa_value(b
, type
);
4135 ssa_value
->def
= def
;
4136 vtn_push_ssa(b
, w
[2], vtn_type
, ssa_value
);
4140 vtn_handle_body_instruction(struct vtn_builder
*b
, SpvOp opcode
,
4141 const uint32_t *w
, unsigned count
)
4147 case SpvOpLoopMerge
:
4148 case SpvOpSelectionMerge
:
4149 /* This is handled by cfg pre-pass and walk_blocks */
4153 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_undef
);
4154 val
->type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
4159 vtn_handle_extension(b
, opcode
, w
, count
);
4165 case SpvOpCopyMemory
:
4166 case SpvOpCopyMemorySized
:
4167 case SpvOpAccessChain
:
4168 case SpvOpPtrAccessChain
:
4169 case SpvOpInBoundsAccessChain
:
4170 case SpvOpInBoundsPtrAccessChain
:
4171 case SpvOpArrayLength
:
4172 case SpvOpConvertPtrToU
:
4173 case SpvOpConvertUToPtr
:
4174 vtn_handle_variables(b
, opcode
, w
, count
);
4177 case SpvOpFunctionCall
:
4178 vtn_handle_function_call(b
, opcode
, w
, count
);
4181 case SpvOpSampledImage
:
4183 case SpvOpImageSampleImplicitLod
:
4184 case SpvOpImageSampleExplicitLod
:
4185 case SpvOpImageSampleDrefImplicitLod
:
4186 case SpvOpImageSampleDrefExplicitLod
:
4187 case SpvOpImageSampleProjImplicitLod
:
4188 case SpvOpImageSampleProjExplicitLod
:
4189 case SpvOpImageSampleProjDrefImplicitLod
:
4190 case SpvOpImageSampleProjDrefExplicitLod
:
4191 case SpvOpImageFetch
:
4192 case SpvOpImageGather
:
4193 case SpvOpImageDrefGather
:
4194 case SpvOpImageQuerySizeLod
:
4195 case SpvOpImageQueryLod
:
4196 case SpvOpImageQueryLevels
:
4197 case SpvOpImageQuerySamples
:
4198 vtn_handle_texture(b
, opcode
, w
, count
);
4201 case SpvOpImageRead
:
4202 case SpvOpImageWrite
:
4203 case SpvOpImageTexelPointer
:
4204 vtn_handle_image(b
, opcode
, w
, count
);
4207 case SpvOpImageQuerySize
: {
4208 struct vtn_pointer
*image
=
4209 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
4210 if (glsl_type_is_image(image
->type
->type
)) {
4211 vtn_handle_image(b
, opcode
, w
, count
);
4213 vtn_assert(glsl_type_is_sampler(image
->type
->type
));
4214 vtn_handle_texture(b
, opcode
, w
, count
);
4219 case SpvOpAtomicLoad
:
4220 case SpvOpAtomicExchange
:
4221 case SpvOpAtomicCompareExchange
:
4222 case SpvOpAtomicCompareExchangeWeak
:
4223 case SpvOpAtomicIIncrement
:
4224 case SpvOpAtomicIDecrement
:
4225 case SpvOpAtomicIAdd
:
4226 case SpvOpAtomicISub
:
4227 case SpvOpAtomicSMin
:
4228 case SpvOpAtomicUMin
:
4229 case SpvOpAtomicSMax
:
4230 case SpvOpAtomicUMax
:
4231 case SpvOpAtomicAnd
:
4233 case SpvOpAtomicXor
: {
4234 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[3]);
4235 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
4236 vtn_handle_image(b
, opcode
, w
, count
);
4238 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
4239 vtn_handle_atomics(b
, opcode
, w
, count
);
4244 case SpvOpAtomicStore
: {
4245 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[1]);
4246 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
4247 vtn_handle_image(b
, opcode
, w
, count
);
4249 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
4250 vtn_handle_atomics(b
, opcode
, w
, count
);
4256 vtn_handle_select(b
, opcode
, w
, count
);
4264 case SpvOpConvertFToU
:
4265 case SpvOpConvertFToS
:
4266 case SpvOpConvertSToF
:
4267 case SpvOpConvertUToF
:
4271 case SpvOpQuantizeToF16
:
4272 case SpvOpPtrCastToGeneric
:
4273 case SpvOpGenericCastToPtr
:
4278 case SpvOpSignBitSet
:
4279 case SpvOpLessOrGreater
:
4281 case SpvOpUnordered
:
4296 case SpvOpVectorTimesScalar
:
4298 case SpvOpIAddCarry
:
4299 case SpvOpISubBorrow
:
4300 case SpvOpUMulExtended
:
4301 case SpvOpSMulExtended
:
4302 case SpvOpShiftRightLogical
:
4303 case SpvOpShiftRightArithmetic
:
4304 case SpvOpShiftLeftLogical
:
4305 case SpvOpLogicalEqual
:
4306 case SpvOpLogicalNotEqual
:
4307 case SpvOpLogicalOr
:
4308 case SpvOpLogicalAnd
:
4309 case SpvOpLogicalNot
:
4310 case SpvOpBitwiseOr
:
4311 case SpvOpBitwiseXor
:
4312 case SpvOpBitwiseAnd
:
4314 case SpvOpFOrdEqual
:
4315 case SpvOpFUnordEqual
:
4316 case SpvOpINotEqual
:
4317 case SpvOpFOrdNotEqual
:
4318 case SpvOpFUnordNotEqual
:
4319 case SpvOpULessThan
:
4320 case SpvOpSLessThan
:
4321 case SpvOpFOrdLessThan
:
4322 case SpvOpFUnordLessThan
:
4323 case SpvOpUGreaterThan
:
4324 case SpvOpSGreaterThan
:
4325 case SpvOpFOrdGreaterThan
:
4326 case SpvOpFUnordGreaterThan
:
4327 case SpvOpULessThanEqual
:
4328 case SpvOpSLessThanEqual
:
4329 case SpvOpFOrdLessThanEqual
:
4330 case SpvOpFUnordLessThanEqual
:
4331 case SpvOpUGreaterThanEqual
:
4332 case SpvOpSGreaterThanEqual
:
4333 case SpvOpFOrdGreaterThanEqual
:
4334 case SpvOpFUnordGreaterThanEqual
:
4340 case SpvOpFwidthFine
:
4341 case SpvOpDPdxCoarse
:
4342 case SpvOpDPdyCoarse
:
4343 case SpvOpFwidthCoarse
:
4344 case SpvOpBitFieldInsert
:
4345 case SpvOpBitFieldSExtract
:
4346 case SpvOpBitFieldUExtract
:
4347 case SpvOpBitReverse
:
4349 case SpvOpTranspose
:
4350 case SpvOpOuterProduct
:
4351 case SpvOpMatrixTimesScalar
:
4352 case SpvOpVectorTimesMatrix
:
4353 case SpvOpMatrixTimesVector
:
4354 case SpvOpMatrixTimesMatrix
:
4355 vtn_handle_alu(b
, opcode
, w
, count
);
4359 vtn_handle_bitcast(b
, w
, count
);
4362 case SpvOpVectorExtractDynamic
:
4363 case SpvOpVectorInsertDynamic
:
4364 case SpvOpVectorShuffle
:
4365 case SpvOpCompositeConstruct
:
4366 case SpvOpCompositeExtract
:
4367 case SpvOpCompositeInsert
:
4368 case SpvOpCopyLogical
:
4369 case SpvOpCopyObject
:
4370 vtn_handle_composite(b
, opcode
, w
, count
);
4373 case SpvOpEmitVertex
:
4374 case SpvOpEndPrimitive
:
4375 case SpvOpEmitStreamVertex
:
4376 case SpvOpEndStreamPrimitive
:
4377 case SpvOpControlBarrier
:
4378 case SpvOpMemoryBarrier
:
4379 vtn_handle_barrier(b
, opcode
, w
, count
);
4382 case SpvOpGroupNonUniformElect
:
4383 case SpvOpGroupNonUniformAll
:
4384 case SpvOpGroupNonUniformAny
:
4385 case SpvOpGroupNonUniformAllEqual
:
4386 case SpvOpGroupNonUniformBroadcast
:
4387 case SpvOpGroupNonUniformBroadcastFirst
:
4388 case SpvOpGroupNonUniformBallot
:
4389 case SpvOpGroupNonUniformInverseBallot
:
4390 case SpvOpGroupNonUniformBallotBitExtract
:
4391 case SpvOpGroupNonUniformBallotBitCount
:
4392 case SpvOpGroupNonUniformBallotFindLSB
:
4393 case SpvOpGroupNonUniformBallotFindMSB
:
4394 case SpvOpGroupNonUniformShuffle
:
4395 case SpvOpGroupNonUniformShuffleXor
:
4396 case SpvOpGroupNonUniformShuffleUp
:
4397 case SpvOpGroupNonUniformShuffleDown
:
4398 case SpvOpGroupNonUniformIAdd
:
4399 case SpvOpGroupNonUniformFAdd
:
4400 case SpvOpGroupNonUniformIMul
:
4401 case SpvOpGroupNonUniformFMul
:
4402 case SpvOpGroupNonUniformSMin
:
4403 case SpvOpGroupNonUniformUMin
:
4404 case SpvOpGroupNonUniformFMin
:
4405 case SpvOpGroupNonUniformSMax
:
4406 case SpvOpGroupNonUniformUMax
:
4407 case SpvOpGroupNonUniformFMax
:
4408 case SpvOpGroupNonUniformBitwiseAnd
:
4409 case SpvOpGroupNonUniformBitwiseOr
:
4410 case SpvOpGroupNonUniformBitwiseXor
:
4411 case SpvOpGroupNonUniformLogicalAnd
:
4412 case SpvOpGroupNonUniformLogicalOr
:
4413 case SpvOpGroupNonUniformLogicalXor
:
4414 case SpvOpGroupNonUniformQuadBroadcast
:
4415 case SpvOpGroupNonUniformQuadSwap
:
4418 case SpvOpGroupBroadcast
:
4419 case SpvOpGroupIAdd
:
4420 case SpvOpGroupFAdd
:
4421 case SpvOpGroupFMin
:
4422 case SpvOpGroupUMin
:
4423 case SpvOpGroupSMin
:
4424 case SpvOpGroupFMax
:
4425 case SpvOpGroupUMax
:
4426 case SpvOpGroupSMax
:
4427 case SpvOpSubgroupBallotKHR
:
4428 case SpvOpSubgroupFirstInvocationKHR
:
4429 case SpvOpSubgroupReadInvocationKHR
:
4430 case SpvOpSubgroupAllKHR
:
4431 case SpvOpSubgroupAnyKHR
:
4432 case SpvOpSubgroupAllEqualKHR
:
4433 case SpvOpGroupIAddNonUniformAMD
:
4434 case SpvOpGroupFAddNonUniformAMD
:
4435 case SpvOpGroupFMinNonUniformAMD
:
4436 case SpvOpGroupUMinNonUniformAMD
:
4437 case SpvOpGroupSMinNonUniformAMD
:
4438 case SpvOpGroupFMaxNonUniformAMD
:
4439 case SpvOpGroupUMaxNonUniformAMD
:
4440 case SpvOpGroupSMaxNonUniformAMD
:
4441 vtn_handle_subgroup(b
, opcode
, w
, count
);
4446 case SpvOpPtrNotEqual
:
4447 vtn_handle_ptr(b
, opcode
, w
, count
);
4450 case SpvOpBeginInvocationInterlockEXT
:
4451 vtn_emit_barrier(b
, nir_intrinsic_begin_invocation_interlock
);
4454 case SpvOpEndInvocationInterlockEXT
:
4455 vtn_emit_barrier(b
, nir_intrinsic_end_invocation_interlock
);
4458 case SpvOpDemoteToHelperInvocationEXT
: {
4459 nir_intrinsic_instr
*intrin
=
4460 nir_intrinsic_instr_create(b
->shader
, nir_intrinsic_demote
);
4461 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
4465 case SpvOpIsHelperInvocationEXT
: {
4466 nir_intrinsic_instr
*intrin
=
4467 nir_intrinsic_instr_create(b
->shader
, nir_intrinsic_is_helper_invocation
);
4468 nir_ssa_dest_init(&intrin
->instr
, &intrin
->dest
, 1, 1, NULL
);
4469 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
4471 struct vtn_type
*res_type
=
4472 vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
4473 struct vtn_ssa_value
*val
= vtn_create_ssa_value(b
, res_type
->type
);
4474 val
->def
= &intrin
->dest
.ssa
;
4476 vtn_push_ssa(b
, w
[2], res_type
, val
);
4481 vtn_fail_with_opcode("Unhandled opcode", opcode
);
4488 vtn_create_builder(const uint32_t *words
, size_t word_count
,
4489 gl_shader_stage stage
, const char *entry_point_name
,
4490 const struct spirv_to_nir_options
*options
)
4492 /* Initialize the vtn_builder object */
4493 struct vtn_builder
*b
= rzalloc(NULL
, struct vtn_builder
);
4494 struct spirv_to_nir_options
*dup_options
=
4495 ralloc(b
, struct spirv_to_nir_options
);
4496 *dup_options
= *options
;
4499 b
->spirv_word_count
= word_count
;
4503 exec_list_make_empty(&b
->functions
);
4504 b
->entry_point_stage
= stage
;
4505 b
->entry_point_name
= entry_point_name
;
4506 b
->options
= dup_options
;
4509 * Handle the SPIR-V header (first 5 dwords).
4510 * Can't use vtx_assert() as the setjmp(3) target isn't initialized yet.
4512 if (word_count
<= 5)
4515 if (words
[0] != SpvMagicNumber
) {
4516 vtn_err("words[0] was 0x%x, want 0x%x", words
[0], SpvMagicNumber
);
4519 if (words
[1] < 0x10000) {
4520 vtn_err("words[1] was 0x%x, want >= 0x10000", words
[1]);
4524 uint16_t generator_id
= words
[2] >> 16;
4525 uint16_t generator_version
= words
[2];
4527 /* The first GLSLang version bump actually 1.5 years after #179 was fixed
4528 * but this should at least let us shut the workaround off for modern
4529 * versions of GLSLang.
4531 b
->wa_glslang_179
= (generator_id
== 8 && generator_version
== 1);
4533 /* words[2] == generator magic */
4534 unsigned value_id_bound
= words
[3];
4535 if (words
[4] != 0) {
4536 vtn_err("words[4] was %u, want 0", words
[4]);
4540 b
->value_id_bound
= value_id_bound
;
4541 b
->values
= rzalloc_array(b
, struct vtn_value
, value_id_bound
);
4549 static nir_function
*
4550 vtn_emit_kernel_entry_point_wrapper(struct vtn_builder
*b
,
4551 nir_function
*entry_point
)
4553 vtn_assert(entry_point
== b
->entry_point
->func
->impl
->function
);
4554 vtn_fail_if(!entry_point
->name
, "entry points are required to have a name");
4555 const char *func_name
=
4556 ralloc_asprintf(b
->shader
, "__wrapped_%s", entry_point
->name
);
4558 /* we shouldn't have any inputs yet */
4559 vtn_assert(!entry_point
->shader
->num_inputs
);
4560 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_KERNEL
);
4562 nir_function
*main_entry_point
= nir_function_create(b
->shader
, func_name
);
4563 main_entry_point
->impl
= nir_function_impl_create(main_entry_point
);
4564 nir_builder_init(&b
->nb
, main_entry_point
->impl
);
4565 b
->nb
.cursor
= nir_after_cf_list(&main_entry_point
->impl
->body
);
4566 b
->func_param_idx
= 0;
4568 nir_call_instr
*call
= nir_call_instr_create(b
->nb
.shader
, entry_point
);
4570 for (unsigned i
= 0; i
< entry_point
->num_params
; ++i
) {
4571 struct vtn_type
*param_type
= b
->entry_point
->func
->type
->params
[i
];
4573 /* consider all pointers to function memory to be parameters passed
4576 bool is_by_val
= param_type
->base_type
== vtn_base_type_pointer
&&
4577 param_type
->storage_class
== SpvStorageClassFunction
;
4579 /* input variable */
4580 nir_variable
*in_var
= rzalloc(b
->nb
.shader
, nir_variable
);
4581 in_var
->data
.mode
= nir_var_shader_in
;
4582 in_var
->data
.read_only
= true;
4583 in_var
->data
.location
= i
;
4586 in_var
->type
= param_type
->deref
->type
;
4588 in_var
->type
= param_type
->type
;
4590 nir_shader_add_variable(b
->nb
.shader
, in_var
);
4591 b
->nb
.shader
->num_inputs
++;
4593 /* we have to copy the entire variable into function memory */
4595 nir_variable
*copy_var
=
4596 nir_local_variable_create(main_entry_point
->impl
, in_var
->type
,
4598 nir_copy_var(&b
->nb
, copy_var
, in_var
);
4600 nir_src_for_ssa(&nir_build_deref_var(&b
->nb
, copy_var
)->dest
.ssa
);
4602 call
->params
[i
] = nir_src_for_ssa(nir_load_var(&b
->nb
, in_var
));
4606 nir_builder_instr_insert(&b
->nb
, &call
->instr
);
4608 return main_entry_point
;
4612 spirv_to_nir(const uint32_t *words
, size_t word_count
,
4613 struct nir_spirv_specialization
*spec
, unsigned num_spec
,
4614 gl_shader_stage stage
, const char *entry_point_name
,
4615 const struct spirv_to_nir_options
*options
,
4616 const nir_shader_compiler_options
*nir_options
)
4619 const uint32_t *word_end
= words
+ word_count
;
4621 struct vtn_builder
*b
= vtn_create_builder(words
, word_count
,
4622 stage
, entry_point_name
,
4628 /* See also _vtn_fail() */
4629 if (setjmp(b
->fail_jump
)) {
4634 /* Skip the SPIR-V header, handled at vtn_create_builder */
4637 b
->shader
= nir_shader_create(b
, stage
, nir_options
, NULL
);
4639 /* Handle all the preamble instructions */
4640 words
= vtn_foreach_instruction(b
, words
, word_end
,
4641 vtn_handle_preamble_instruction
);
4643 if (b
->entry_point
== NULL
) {
4644 vtn_fail("Entry point not found");
4649 /* Set shader info defaults */
4650 b
->shader
->info
.gs
.invocations
= 1;
4652 b
->specializations
= spec
;
4653 b
->num_specializations
= num_spec
;
4655 /* Handle all variable, type, and constant instructions */
4656 words
= vtn_foreach_instruction(b
, words
, word_end
,
4657 vtn_handle_variable_or_type_instruction
);
4659 /* Parse execution modes */
4660 vtn_foreach_execution_mode(b
, b
->entry_point
,
4661 vtn_handle_execution_mode
, NULL
);
4663 if (b
->workgroup_size_builtin
) {
4664 vtn_assert(b
->workgroup_size_builtin
->type
->type
==
4665 glsl_vector_type(GLSL_TYPE_UINT
, 3));
4667 nir_const_value
*const_size
=
4668 b
->workgroup_size_builtin
->constant
->values
;
4670 b
->shader
->info
.cs
.local_size
[0] = const_size
[0].u32
;
4671 b
->shader
->info
.cs
.local_size
[1] = const_size
[1].u32
;
4672 b
->shader
->info
.cs
.local_size
[2] = const_size
[2].u32
;
4675 /* Set types on all vtn_values */
4676 vtn_foreach_instruction(b
, words
, word_end
, vtn_set_instruction_result_type
);
4678 vtn_build_cfg(b
, words
, word_end
);
4680 assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4681 b
->entry_point
->func
->referenced
= true;
4686 foreach_list_typed(struct vtn_function
, func
, node
, &b
->functions
) {
4687 if (func
->referenced
&& !func
->emitted
) {
4688 b
->const_table
= _mesa_pointer_hash_table_create(b
);
4690 vtn_function_emit(b
, func
, vtn_handle_body_instruction
);
4696 vtn_assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4697 nir_function
*entry_point
= b
->entry_point
->func
->impl
->function
;
4698 vtn_assert(entry_point
);
4700 /* post process entry_points with input params */
4701 if (entry_point
->num_params
&& b
->shader
->info
.stage
== MESA_SHADER_KERNEL
)
4702 entry_point
= vtn_emit_kernel_entry_point_wrapper(b
, entry_point
);
4704 entry_point
->is_entrypoint
= true;
4706 /* When multiple shader stages exist in the same SPIR-V module, we
4707 * generate input and output variables for every stage, in the same
4708 * NIR program. These dead variables can be invalid NIR. For example,
4709 * TCS outputs must be per-vertex arrays (or decorated 'patch'), while
4710 * VS output variables wouldn't be.
4712 * To ensure we have valid NIR, we eliminate any dead inputs and outputs
4713 * right away. In order to do so, we must lower any constant initializers
4714 * on outputs so nir_remove_dead_variables sees that they're written to.
4716 nir_lower_constant_initializers(b
->shader
, nir_var_shader_out
);
4717 nir_remove_dead_variables(b
->shader
,
4718 nir_var_shader_in
| nir_var_shader_out
);
4720 /* We sometimes generate bogus derefs that, while never used, give the
4721 * validator a bit of heartburn. Run dead code to get rid of them.
4723 nir_opt_dce(b
->shader
);
4725 /* Unparent the shader from the vtn_builder before we delete the builder */
4726 ralloc_steal(NULL
, b
->shader
);
4728 nir_shader
*shader
= b
->shader
;