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"
38 vtn_log(struct vtn_builder
*b
, enum nir_spirv_debug_level level
,
39 size_t spirv_offset
, const char *message
)
41 if (b
->options
->debug
.func
) {
42 b
->options
->debug
.func(b
->options
->debug
.private_data
,
43 level
, spirv_offset
, message
);
47 if (level
>= NIR_SPIRV_DEBUG_LEVEL_WARNING
)
48 fprintf(stderr
, "%s\n", message
);
53 vtn_logf(struct vtn_builder
*b
, enum nir_spirv_debug_level level
,
54 size_t spirv_offset
, const char *fmt
, ...)
60 msg
= ralloc_vasprintf(NULL
, fmt
, args
);
63 vtn_log(b
, level
, spirv_offset
, msg
);
69 vtn_log_err(struct vtn_builder
*b
,
70 enum nir_spirv_debug_level level
, const char *prefix
,
71 const char *file
, unsigned line
,
72 const char *fmt
, va_list args
)
76 msg
= ralloc_strdup(NULL
, prefix
);
79 ralloc_asprintf_append(&msg
, " In file %s:%u\n", file
, line
);
82 ralloc_asprintf_append(&msg
, " ");
84 ralloc_vasprintf_append(&msg
, fmt
, args
);
86 ralloc_asprintf_append(&msg
, "\n %zu bytes into the SPIR-V binary",
90 ralloc_asprintf_append(&msg
,
91 "\n in SPIR-V source file %s, line %d, col %d",
92 b
->file
, b
->line
, b
->col
);
95 vtn_log(b
, level
, b
->spirv_offset
, msg
);
101 vtn_dump_shader(struct vtn_builder
*b
, const char *path
, const char *prefix
)
106 int len
= snprintf(filename
, sizeof(filename
), "%s/%s-%d.spirv",
107 path
, prefix
, idx
++);
108 if (len
< 0 || len
>= sizeof(filename
))
111 FILE *f
= fopen(filename
, "w");
115 fwrite(b
->spirv
, sizeof(*b
->spirv
), b
->spirv_word_count
, f
);
118 vtn_info("SPIR-V shader dumped to %s", filename
);
122 _vtn_warn(struct vtn_builder
*b
, const char *file
, unsigned line
,
123 const char *fmt
, ...)
128 vtn_log_err(b
, NIR_SPIRV_DEBUG_LEVEL_WARNING
, "SPIR-V WARNING:\n",
129 file
, line
, fmt
, args
);
134 _vtn_err(struct vtn_builder
*b
, const char *file
, unsigned line
,
135 const char *fmt
, ...)
140 vtn_log_err(b
, NIR_SPIRV_DEBUG_LEVEL_ERROR
, "SPIR-V ERROR:\n",
141 file
, line
, fmt
, args
);
146 _vtn_fail(struct vtn_builder
*b
, const char *file
, unsigned line
,
147 const char *fmt
, ...)
152 vtn_log_err(b
, NIR_SPIRV_DEBUG_LEVEL_ERROR
, "SPIR-V parsing FAILED:\n",
153 file
, line
, fmt
, args
);
156 const char *dump_path
= getenv("MESA_SPIRV_FAIL_DUMP_PATH");
158 vtn_dump_shader(b
, dump_path
, "fail");
160 longjmp(b
->fail_jump
, 1);
163 struct spec_constant_value
{
171 static struct vtn_ssa_value
*
172 vtn_undef_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
174 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
177 if (glsl_type_is_vector_or_scalar(type
)) {
178 unsigned num_components
= glsl_get_vector_elements(val
->type
);
179 unsigned bit_size
= glsl_get_bit_size(val
->type
);
180 val
->def
= nir_ssa_undef(&b
->nb
, num_components
, bit_size
);
182 unsigned elems
= glsl_get_length(val
->type
);
183 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
184 if (glsl_type_is_matrix(type
)) {
185 const struct glsl_type
*elem_type
=
186 glsl_vector_type(glsl_get_base_type(type
),
187 glsl_get_vector_elements(type
));
189 for (unsigned i
= 0; i
< elems
; i
++)
190 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
191 } else if (glsl_type_is_array(type
)) {
192 const struct glsl_type
*elem_type
= glsl_get_array_element(type
);
193 for (unsigned i
= 0; i
< elems
; i
++)
194 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
196 for (unsigned i
= 0; i
< elems
; i
++) {
197 const struct glsl_type
*elem_type
= glsl_get_struct_field(type
, i
);
198 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
206 static struct vtn_ssa_value
*
207 vtn_const_ssa_value(struct vtn_builder
*b
, nir_constant
*constant
,
208 const struct glsl_type
*type
)
210 struct hash_entry
*entry
= _mesa_hash_table_search(b
->const_table
, constant
);
215 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
218 switch (glsl_get_base_type(type
)) {
221 case GLSL_TYPE_INT16
:
222 case GLSL_TYPE_UINT16
:
223 case GLSL_TYPE_UINT8
:
225 case GLSL_TYPE_INT64
:
226 case GLSL_TYPE_UINT64
:
228 case GLSL_TYPE_FLOAT
:
229 case GLSL_TYPE_FLOAT16
:
230 case GLSL_TYPE_DOUBLE
: {
231 int bit_size
= glsl_get_bit_size(type
);
232 if (glsl_type_is_vector_or_scalar(type
)) {
233 unsigned num_components
= glsl_get_vector_elements(val
->type
);
234 nir_load_const_instr
*load
=
235 nir_load_const_instr_create(b
->shader
, num_components
, bit_size
);
237 load
->value
= constant
->values
[0];
239 nir_instr_insert_before_cf_list(&b
->nb
.impl
->body
, &load
->instr
);
240 val
->def
= &load
->def
;
242 assert(glsl_type_is_matrix(type
));
243 unsigned rows
= glsl_get_vector_elements(val
->type
);
244 unsigned columns
= glsl_get_matrix_columns(val
->type
);
245 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, columns
);
247 for (unsigned i
= 0; i
< columns
; i
++) {
248 struct vtn_ssa_value
*col_val
= rzalloc(b
, struct vtn_ssa_value
);
249 col_val
->type
= glsl_get_column_type(val
->type
);
250 nir_load_const_instr
*load
=
251 nir_load_const_instr_create(b
->shader
, rows
, bit_size
);
253 load
->value
= constant
->values
[i
];
255 nir_instr_insert_before_cf_list(&b
->nb
.impl
->body
, &load
->instr
);
256 col_val
->def
= &load
->def
;
258 val
->elems
[i
] = col_val
;
264 case GLSL_TYPE_ARRAY
: {
265 unsigned elems
= glsl_get_length(val
->type
);
266 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
267 const struct glsl_type
*elem_type
= glsl_get_array_element(val
->type
);
268 for (unsigned i
= 0; i
< elems
; i
++)
269 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
274 case GLSL_TYPE_STRUCT
: {
275 unsigned elems
= glsl_get_length(val
->type
);
276 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
277 for (unsigned i
= 0; i
< elems
; i
++) {
278 const struct glsl_type
*elem_type
=
279 glsl_get_struct_field(val
->type
, i
);
280 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
287 vtn_fail("bad constant type");
293 struct vtn_ssa_value
*
294 vtn_ssa_value(struct vtn_builder
*b
, uint32_t value_id
)
296 struct vtn_value
*val
= vtn_untyped_value(b
, value_id
);
297 switch (val
->value_type
) {
298 case vtn_value_type_undef
:
299 return vtn_undef_ssa_value(b
, val
->type
->type
);
301 case vtn_value_type_constant
:
302 return vtn_const_ssa_value(b
, val
->constant
, val
->type
->type
);
304 case vtn_value_type_ssa
:
307 case vtn_value_type_pointer
:
308 vtn_assert(val
->pointer
->ptr_type
&& val
->pointer
->ptr_type
->type
);
309 struct vtn_ssa_value
*ssa
=
310 vtn_create_ssa_value(b
, val
->pointer
->ptr_type
->type
);
311 ssa
->def
= vtn_pointer_to_ssa(b
, val
->pointer
);
315 vtn_fail("Invalid type for an SSA value");
320 vtn_string_literal(struct vtn_builder
*b
, const uint32_t *words
,
321 unsigned word_count
, unsigned *words_used
)
323 char *dup
= ralloc_strndup(b
, (char *)words
, word_count
* sizeof(*words
));
325 /* Ammount of space taken by the string (including the null) */
326 unsigned len
= strlen(dup
) + 1;
327 *words_used
= DIV_ROUND_UP(len
, sizeof(*words
));
333 vtn_foreach_instruction(struct vtn_builder
*b
, const uint32_t *start
,
334 const uint32_t *end
, vtn_instruction_handler handler
)
340 const uint32_t *w
= start
;
342 SpvOp opcode
= w
[0] & SpvOpCodeMask
;
343 unsigned count
= w
[0] >> SpvWordCountShift
;
344 vtn_assert(count
>= 1 && w
+ count
<= end
);
346 b
->spirv_offset
= (uint8_t *)w
- (uint8_t *)b
->spirv
;
350 break; /* Do nothing */
353 b
->file
= vtn_value(b
, w
[1], vtn_value_type_string
)->str
;
365 if (!handler(b
, opcode
, w
, count
))
383 vtn_handle_extension(struct vtn_builder
*b
, SpvOp opcode
,
384 const uint32_t *w
, unsigned count
)
386 const char *ext
= (const char *)&w
[2];
388 case SpvOpExtInstImport
: {
389 struct vtn_value
*val
= vtn_push_value(b
, w
[1], vtn_value_type_extension
);
390 if (strcmp(ext
, "GLSL.std.450") == 0) {
391 val
->ext_handler
= vtn_handle_glsl450_instruction
;
392 } else if ((strcmp(ext
, "SPV_AMD_gcn_shader") == 0)
393 && (b
->options
&& b
->options
->caps
.gcn_shader
)) {
394 val
->ext_handler
= vtn_handle_amd_gcn_shader_instruction
;
395 } else if ((strcmp(ext
, "SPV_AMD_shader_trinary_minmax") == 0)
396 && (b
->options
&& b
->options
->caps
.trinary_minmax
)) {
397 val
->ext_handler
= vtn_handle_amd_shader_trinary_minmax_instruction
;
399 vtn_fail("Unsupported extension: %s", ext
);
405 struct vtn_value
*val
= vtn_value(b
, w
[3], vtn_value_type_extension
);
406 bool handled
= val
->ext_handler(b
, w
[4], w
, count
);
412 vtn_fail("Unhandled opcode");
417 _foreach_decoration_helper(struct vtn_builder
*b
,
418 struct vtn_value
*base_value
,
420 struct vtn_value
*value
,
421 vtn_decoration_foreach_cb cb
, void *data
)
423 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
425 if (dec
->scope
== VTN_DEC_DECORATION
) {
426 member
= parent_member
;
427 } else if (dec
->scope
>= VTN_DEC_STRUCT_MEMBER0
) {
428 vtn_fail_if(value
->value_type
!= vtn_value_type_type
||
429 value
->type
->base_type
!= vtn_base_type_struct
,
430 "OpMemberDecorate and OpGroupMemberDecorate are only "
431 "allowed on OpTypeStruct");
432 /* This means we haven't recursed yet */
433 assert(value
== base_value
);
435 member
= dec
->scope
- VTN_DEC_STRUCT_MEMBER0
;
437 vtn_fail_if(member
>= base_value
->type
->length
,
438 "OpMemberDecorate specifies member %d but the "
439 "OpTypeStruct has only %u members",
440 member
, base_value
->type
->length
);
442 /* Not a decoration */
443 assert(dec
->scope
== VTN_DEC_EXECUTION_MODE
);
448 assert(dec
->group
->value_type
== vtn_value_type_decoration_group
);
449 _foreach_decoration_helper(b
, base_value
, member
, dec
->group
,
452 cb(b
, base_value
, member
, dec
, data
);
457 /** Iterates (recursively if needed) over all of the decorations on a value
459 * This function iterates over all of the decorations applied to a given
460 * value. If it encounters a decoration group, it recurses into the group
461 * and iterates over all of those decorations as well.
464 vtn_foreach_decoration(struct vtn_builder
*b
, struct vtn_value
*value
,
465 vtn_decoration_foreach_cb cb
, void *data
)
467 _foreach_decoration_helper(b
, value
, -1, value
, cb
, data
);
471 vtn_foreach_execution_mode(struct vtn_builder
*b
, struct vtn_value
*value
,
472 vtn_execution_mode_foreach_cb cb
, void *data
)
474 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
475 if (dec
->scope
!= VTN_DEC_EXECUTION_MODE
)
478 assert(dec
->group
== NULL
);
479 cb(b
, value
, dec
, data
);
484 vtn_handle_decoration(struct vtn_builder
*b
, SpvOp opcode
,
485 const uint32_t *w
, unsigned count
)
487 const uint32_t *w_end
= w
+ count
;
488 const uint32_t target
= w
[1];
492 case SpvOpDecorationGroup
:
493 vtn_push_value(b
, target
, vtn_value_type_decoration_group
);
497 case SpvOpMemberDecorate
:
498 case SpvOpExecutionMode
: {
499 struct vtn_value
*val
= vtn_untyped_value(b
, target
);
501 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
504 dec
->scope
= VTN_DEC_DECORATION
;
506 case SpvOpMemberDecorate
:
507 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(w
++);
508 vtn_fail_if(dec
->scope
< VTN_DEC_STRUCT_MEMBER0
, /* overflow */
509 "Member argument of OpMemberDecorate too large");
511 case SpvOpExecutionMode
:
512 dec
->scope
= VTN_DEC_EXECUTION_MODE
;
515 unreachable("Invalid decoration opcode");
517 dec
->decoration
= *(w
++);
520 /* Link into the list */
521 dec
->next
= val
->decoration
;
522 val
->decoration
= dec
;
526 case SpvOpGroupMemberDecorate
:
527 case SpvOpGroupDecorate
: {
528 struct vtn_value
*group
=
529 vtn_value(b
, target
, vtn_value_type_decoration_group
);
531 for (; w
< w_end
; w
++) {
532 struct vtn_value
*val
= vtn_untyped_value(b
, *w
);
533 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
536 if (opcode
== SpvOpGroupDecorate
) {
537 dec
->scope
= VTN_DEC_DECORATION
;
539 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(++w
);
540 vtn_fail_if(dec
->scope
< 0, /* Check for overflow */
541 "Member argument of OpGroupMemberDecorate too large");
544 /* Link into the list */
545 dec
->next
= val
->decoration
;
546 val
->decoration
= dec
;
552 unreachable("Unhandled opcode");
556 struct member_decoration_ctx
{
558 struct glsl_struct_field
*fields
;
559 struct vtn_type
*type
;
562 /** Returns true if two types are "compatible", i.e. you can do an OpLoad,
563 * OpStore, or OpCopyMemory between them without breaking anything.
564 * Technically, the SPIR-V rules require the exact same type ID but this lets
565 * us internally be a bit looser.
568 vtn_types_compatible(struct vtn_builder
*b
,
569 struct vtn_type
*t1
, struct vtn_type
*t2
)
571 if (t1
->id
== t2
->id
)
574 if (t1
->base_type
!= t2
->base_type
)
577 switch (t1
->base_type
) {
578 case vtn_base_type_void
:
579 case vtn_base_type_scalar
:
580 case vtn_base_type_vector
:
581 case vtn_base_type_matrix
:
582 case vtn_base_type_image
:
583 case vtn_base_type_sampler
:
584 case vtn_base_type_sampled_image
:
585 return t1
->type
== t2
->type
;
587 case vtn_base_type_array
:
588 return t1
->length
== t2
->length
&&
589 vtn_types_compatible(b
, t1
->array_element
, t2
->array_element
);
591 case vtn_base_type_pointer
:
592 return vtn_types_compatible(b
, t1
->deref
, t2
->deref
);
594 case vtn_base_type_struct
:
595 if (t1
->length
!= t2
->length
)
598 for (unsigned i
= 0; i
< t1
->length
; i
++) {
599 if (!vtn_types_compatible(b
, t1
->members
[i
], t2
->members
[i
]))
604 case vtn_base_type_function
:
605 /* This case shouldn't get hit since you can't copy around function
606 * types. Just require them to be identical.
611 vtn_fail("Invalid base type");
614 /* does a shallow copy of a vtn_type */
616 static struct vtn_type
*
617 vtn_type_copy(struct vtn_builder
*b
, struct vtn_type
*src
)
619 struct vtn_type
*dest
= ralloc(b
, struct vtn_type
);
622 switch (src
->base_type
) {
623 case vtn_base_type_void
:
624 case vtn_base_type_scalar
:
625 case vtn_base_type_vector
:
626 case vtn_base_type_matrix
:
627 case vtn_base_type_array
:
628 case vtn_base_type_pointer
:
629 case vtn_base_type_image
:
630 case vtn_base_type_sampler
:
631 case vtn_base_type_sampled_image
:
632 /* Nothing more to do */
635 case vtn_base_type_struct
:
636 dest
->members
= ralloc_array(b
, struct vtn_type
*, src
->length
);
637 memcpy(dest
->members
, src
->members
,
638 src
->length
* sizeof(src
->members
[0]));
640 dest
->offsets
= ralloc_array(b
, unsigned, src
->length
);
641 memcpy(dest
->offsets
, src
->offsets
,
642 src
->length
* sizeof(src
->offsets
[0]));
645 case vtn_base_type_function
:
646 dest
->params
= ralloc_array(b
, struct vtn_type
*, src
->length
);
647 memcpy(dest
->params
, src
->params
, src
->length
* sizeof(src
->params
[0]));
654 static struct vtn_type
*
655 mutable_matrix_member(struct vtn_builder
*b
, struct vtn_type
*type
, int member
)
657 type
->members
[member
] = vtn_type_copy(b
, type
->members
[member
]);
658 type
= type
->members
[member
];
660 /* We may have an array of matrices.... Oh, joy! */
661 while (glsl_type_is_array(type
->type
)) {
662 type
->array_element
= vtn_type_copy(b
, type
->array_element
);
663 type
= type
->array_element
;
666 vtn_assert(glsl_type_is_matrix(type
->type
));
672 struct_member_decoration_cb(struct vtn_builder
*b
,
673 struct vtn_value
*val
, int member
,
674 const struct vtn_decoration
*dec
, void *void_ctx
)
676 struct member_decoration_ctx
*ctx
= void_ctx
;
681 assert(member
< ctx
->num_fields
);
683 switch (dec
->decoration
) {
684 case SpvDecorationNonWritable
:
685 case SpvDecorationNonReadable
:
686 case SpvDecorationRelaxedPrecision
:
687 case SpvDecorationVolatile
:
688 case SpvDecorationCoherent
:
689 case SpvDecorationUniform
:
690 break; /* FIXME: Do nothing with this for now. */
691 case SpvDecorationNoPerspective
:
692 ctx
->fields
[member
].interpolation
= INTERP_MODE_NOPERSPECTIVE
;
694 case SpvDecorationFlat
:
695 ctx
->fields
[member
].interpolation
= INTERP_MODE_FLAT
;
697 case SpvDecorationCentroid
:
698 ctx
->fields
[member
].centroid
= true;
700 case SpvDecorationSample
:
701 ctx
->fields
[member
].sample
= true;
703 case SpvDecorationStream
:
704 /* Vulkan only allows one GS stream */
705 vtn_assert(dec
->literals
[0] == 0);
707 case SpvDecorationLocation
:
708 ctx
->fields
[member
].location
= dec
->literals
[0];
710 case SpvDecorationComponent
:
711 break; /* FIXME: What should we do with these? */
712 case SpvDecorationBuiltIn
:
713 ctx
->type
->members
[member
] = vtn_type_copy(b
, ctx
->type
->members
[member
]);
714 ctx
->type
->members
[member
]->is_builtin
= true;
715 ctx
->type
->members
[member
]->builtin
= dec
->literals
[0];
716 ctx
->type
->builtin_block
= true;
718 case SpvDecorationOffset
:
719 ctx
->type
->offsets
[member
] = dec
->literals
[0];
721 case SpvDecorationMatrixStride
:
722 /* Handled as a second pass */
724 case SpvDecorationColMajor
:
725 break; /* Nothing to do here. Column-major is the default. */
726 case SpvDecorationRowMajor
:
727 mutable_matrix_member(b
, ctx
->type
, member
)->row_major
= true;
730 case SpvDecorationPatch
:
733 case SpvDecorationSpecId
:
734 case SpvDecorationBlock
:
735 case SpvDecorationBufferBlock
:
736 case SpvDecorationArrayStride
:
737 case SpvDecorationGLSLShared
:
738 case SpvDecorationGLSLPacked
:
739 case SpvDecorationInvariant
:
740 case SpvDecorationRestrict
:
741 case SpvDecorationAliased
:
742 case SpvDecorationConstant
:
743 case SpvDecorationIndex
:
744 case SpvDecorationBinding
:
745 case SpvDecorationDescriptorSet
:
746 case SpvDecorationLinkageAttributes
:
747 case SpvDecorationNoContraction
:
748 case SpvDecorationInputAttachmentIndex
:
749 vtn_warn("Decoration not allowed on struct members: %s",
750 spirv_decoration_to_string(dec
->decoration
));
753 case SpvDecorationXfbBuffer
:
754 case SpvDecorationXfbStride
:
755 vtn_warn("Vulkan does not have transform feedback");
758 case SpvDecorationCPacked
:
759 case SpvDecorationSaturatedConversion
:
760 case SpvDecorationFuncParamAttr
:
761 case SpvDecorationFPRoundingMode
:
762 case SpvDecorationFPFastMathMode
:
763 case SpvDecorationAlignment
:
764 vtn_warn("Decoration only allowed for CL-style kernels: %s",
765 spirv_decoration_to_string(dec
->decoration
));
769 vtn_fail("Unhandled decoration");
773 /* Matrix strides are handled as a separate pass because we need to know
774 * whether the matrix is row-major or not first.
777 struct_member_matrix_stride_cb(struct vtn_builder
*b
,
778 struct vtn_value
*val
, int member
,
779 const struct vtn_decoration
*dec
,
782 if (dec
->decoration
!= SpvDecorationMatrixStride
)
785 vtn_fail_if(member
< 0,
786 "The MatrixStride decoration is only allowed on members "
789 struct member_decoration_ctx
*ctx
= void_ctx
;
791 struct vtn_type
*mat_type
= mutable_matrix_member(b
, ctx
->type
, member
);
792 if (mat_type
->row_major
) {
793 mat_type
->array_element
= vtn_type_copy(b
, mat_type
->array_element
);
794 mat_type
->stride
= mat_type
->array_element
->stride
;
795 mat_type
->array_element
->stride
= dec
->literals
[0];
797 vtn_assert(mat_type
->array_element
->stride
> 0);
798 mat_type
->stride
= dec
->literals
[0];
803 type_decoration_cb(struct vtn_builder
*b
,
804 struct vtn_value
*val
, int member
,
805 const struct vtn_decoration
*dec
, void *ctx
)
807 struct vtn_type
*type
= val
->type
;
810 /* This should have been handled by OpTypeStruct */
811 assert(val
->type
->base_type
== vtn_base_type_struct
);
812 assert(member
>= 0 && member
< val
->type
->length
);
816 switch (dec
->decoration
) {
817 case SpvDecorationArrayStride
:
818 vtn_assert(type
->base_type
== vtn_base_type_matrix
||
819 type
->base_type
== vtn_base_type_array
||
820 type
->base_type
== vtn_base_type_pointer
);
821 type
->stride
= dec
->literals
[0];
823 case SpvDecorationBlock
:
824 vtn_assert(type
->base_type
== vtn_base_type_struct
);
827 case SpvDecorationBufferBlock
:
828 vtn_assert(type
->base_type
== vtn_base_type_struct
);
829 type
->buffer_block
= true;
831 case SpvDecorationGLSLShared
:
832 case SpvDecorationGLSLPacked
:
833 /* Ignore these, since we get explicit offsets anyways */
836 case SpvDecorationRowMajor
:
837 case SpvDecorationColMajor
:
838 case SpvDecorationMatrixStride
:
839 case SpvDecorationBuiltIn
:
840 case SpvDecorationNoPerspective
:
841 case SpvDecorationFlat
:
842 case SpvDecorationPatch
:
843 case SpvDecorationCentroid
:
844 case SpvDecorationSample
:
845 case SpvDecorationVolatile
:
846 case SpvDecorationCoherent
:
847 case SpvDecorationNonWritable
:
848 case SpvDecorationNonReadable
:
849 case SpvDecorationUniform
:
850 case SpvDecorationLocation
:
851 case SpvDecorationComponent
:
852 case SpvDecorationOffset
:
853 case SpvDecorationXfbBuffer
:
854 case SpvDecorationXfbStride
:
855 vtn_warn("Decoration only allowed for struct members: %s",
856 spirv_decoration_to_string(dec
->decoration
));
859 case SpvDecorationStream
:
860 /* We don't need to do anything here, as stream is filled up when
861 * aplying the decoration to a variable, just check that if it is not a
862 * struct member, it should be a struct.
864 vtn_assert(type
->base_type
== vtn_base_type_struct
);
867 case SpvDecorationRelaxedPrecision
:
868 case SpvDecorationSpecId
:
869 case SpvDecorationInvariant
:
870 case SpvDecorationRestrict
:
871 case SpvDecorationAliased
:
872 case SpvDecorationConstant
:
873 case SpvDecorationIndex
:
874 case SpvDecorationBinding
:
875 case SpvDecorationDescriptorSet
:
876 case SpvDecorationLinkageAttributes
:
877 case SpvDecorationNoContraction
:
878 case SpvDecorationInputAttachmentIndex
:
879 vtn_warn("Decoration not allowed on types: %s",
880 spirv_decoration_to_string(dec
->decoration
));
883 case SpvDecorationCPacked
:
884 case SpvDecorationSaturatedConversion
:
885 case SpvDecorationFuncParamAttr
:
886 case SpvDecorationFPRoundingMode
:
887 case SpvDecorationFPFastMathMode
:
888 case SpvDecorationAlignment
:
889 vtn_warn("Decoration only allowed for CL-style kernels: %s",
890 spirv_decoration_to_string(dec
->decoration
));
894 vtn_fail("Unhandled decoration");
899 translate_image_format(struct vtn_builder
*b
, SpvImageFormat format
)
902 case SpvImageFormatUnknown
: return 0; /* GL_NONE */
903 case SpvImageFormatRgba32f
: return 0x8814; /* GL_RGBA32F */
904 case SpvImageFormatRgba16f
: return 0x881A; /* GL_RGBA16F */
905 case SpvImageFormatR32f
: return 0x822E; /* GL_R32F */
906 case SpvImageFormatRgba8
: return 0x8058; /* GL_RGBA8 */
907 case SpvImageFormatRgba8Snorm
: return 0x8F97; /* GL_RGBA8_SNORM */
908 case SpvImageFormatRg32f
: return 0x8230; /* GL_RG32F */
909 case SpvImageFormatRg16f
: return 0x822F; /* GL_RG16F */
910 case SpvImageFormatR11fG11fB10f
: return 0x8C3A; /* GL_R11F_G11F_B10F */
911 case SpvImageFormatR16f
: return 0x822D; /* GL_R16F */
912 case SpvImageFormatRgba16
: return 0x805B; /* GL_RGBA16 */
913 case SpvImageFormatRgb10A2
: return 0x8059; /* GL_RGB10_A2 */
914 case SpvImageFormatRg16
: return 0x822C; /* GL_RG16 */
915 case SpvImageFormatRg8
: return 0x822B; /* GL_RG8 */
916 case SpvImageFormatR16
: return 0x822A; /* GL_R16 */
917 case SpvImageFormatR8
: return 0x8229; /* GL_R8 */
918 case SpvImageFormatRgba16Snorm
: return 0x8F9B; /* GL_RGBA16_SNORM */
919 case SpvImageFormatRg16Snorm
: return 0x8F99; /* GL_RG16_SNORM */
920 case SpvImageFormatRg8Snorm
: return 0x8F95; /* GL_RG8_SNORM */
921 case SpvImageFormatR16Snorm
: return 0x8F98; /* GL_R16_SNORM */
922 case SpvImageFormatR8Snorm
: return 0x8F94; /* GL_R8_SNORM */
923 case SpvImageFormatRgba32i
: return 0x8D82; /* GL_RGBA32I */
924 case SpvImageFormatRgba16i
: return 0x8D88; /* GL_RGBA16I */
925 case SpvImageFormatRgba8i
: return 0x8D8E; /* GL_RGBA8I */
926 case SpvImageFormatR32i
: return 0x8235; /* GL_R32I */
927 case SpvImageFormatRg32i
: return 0x823B; /* GL_RG32I */
928 case SpvImageFormatRg16i
: return 0x8239; /* GL_RG16I */
929 case SpvImageFormatRg8i
: return 0x8237; /* GL_RG8I */
930 case SpvImageFormatR16i
: return 0x8233; /* GL_R16I */
931 case SpvImageFormatR8i
: return 0x8231; /* GL_R8I */
932 case SpvImageFormatRgba32ui
: return 0x8D70; /* GL_RGBA32UI */
933 case SpvImageFormatRgba16ui
: return 0x8D76; /* GL_RGBA16UI */
934 case SpvImageFormatRgba8ui
: return 0x8D7C; /* GL_RGBA8UI */
935 case SpvImageFormatR32ui
: return 0x8236; /* GL_R32UI */
936 case SpvImageFormatRgb10a2ui
: return 0x906F; /* GL_RGB10_A2UI */
937 case SpvImageFormatRg32ui
: return 0x823C; /* GL_RG32UI */
938 case SpvImageFormatRg16ui
: return 0x823A; /* GL_RG16UI */
939 case SpvImageFormatRg8ui
: return 0x8238; /* GL_RG8UI */
940 case SpvImageFormatR16ui
: return 0x8234; /* GL_R16UI */
941 case SpvImageFormatR8ui
: return 0x8232; /* GL_R8UI */
943 vtn_fail("Invalid image format");
947 static struct vtn_type
*
948 vtn_type_layout_std430(struct vtn_builder
*b
, struct vtn_type
*type
,
949 uint32_t *size_out
, uint32_t *align_out
)
951 switch (type
->base_type
) {
952 case vtn_base_type_scalar
: {
953 uint32_t comp_size
= glsl_get_bit_size(type
->type
) / 8;
954 *size_out
= comp_size
;
955 *align_out
= comp_size
;
959 case vtn_base_type_vector
: {
960 uint32_t comp_size
= glsl_get_bit_size(type
->type
) / 8;
961 unsigned align_comps
= type
->length
== 3 ? 4 : type
->length
;
962 *size_out
= comp_size
* type
->length
,
963 *align_out
= comp_size
* align_comps
;
967 case vtn_base_type_matrix
:
968 case vtn_base_type_array
: {
969 /* We're going to add an array stride */
970 type
= vtn_type_copy(b
, type
);
971 uint32_t elem_size
, elem_align
;
972 type
->array_element
= vtn_type_layout_std430(b
, type
->array_element
,
973 &elem_size
, &elem_align
);
974 type
->stride
= vtn_align_u32(elem_size
, elem_align
);
975 *size_out
= type
->stride
* type
->length
;
976 *align_out
= elem_align
;
980 case vtn_base_type_struct
: {
981 /* We're going to add member offsets */
982 type
= vtn_type_copy(b
, type
);
985 for (unsigned i
= 0; i
< type
->length
; i
++) {
986 uint32_t mem_size
, mem_align
;
987 type
->members
[i
] = vtn_type_layout_std430(b
, type
->members
[i
],
988 &mem_size
, &mem_align
);
989 offset
= vtn_align_u32(offset
, mem_align
);
990 type
->offsets
[i
] = offset
;
992 align
= MAX2(align
, mem_align
);
1000 unreachable("Invalid SPIR-V type for std430");
1005 vtn_handle_type(struct vtn_builder
*b
, SpvOp opcode
,
1006 const uint32_t *w
, unsigned count
)
1008 struct vtn_value
*val
= vtn_push_value(b
, w
[1], vtn_value_type_type
);
1010 val
->type
= rzalloc(b
, struct vtn_type
);
1011 val
->type
->id
= w
[1];
1015 val
->type
->base_type
= vtn_base_type_void
;
1016 val
->type
->type
= glsl_void_type();
1019 val
->type
->base_type
= vtn_base_type_scalar
;
1020 val
->type
->type
= glsl_bool_type();
1021 val
->type
->length
= 1;
1023 case SpvOpTypeInt
: {
1024 int bit_size
= w
[2];
1025 const bool signedness
= w
[3];
1026 val
->type
->base_type
= vtn_base_type_scalar
;
1029 val
->type
->type
= (signedness
? glsl_int64_t_type() : glsl_uint64_t_type());
1032 val
->type
->type
= (signedness
? glsl_int_type() : glsl_uint_type());
1035 val
->type
->type
= (signedness
? glsl_int16_t_type() : glsl_uint16_t_type());
1038 val
->type
->type
= (signedness
? glsl_int8_t_type() : glsl_uint8_t_type());
1041 vtn_fail("Invalid int bit size");
1043 val
->type
->length
= 1;
1047 case SpvOpTypeFloat
: {
1048 int bit_size
= w
[2];
1049 val
->type
->base_type
= vtn_base_type_scalar
;
1052 val
->type
->type
= glsl_float16_t_type();
1055 val
->type
->type
= glsl_float_type();
1058 val
->type
->type
= glsl_double_type();
1061 vtn_fail("Invalid float bit size");
1063 val
->type
->length
= 1;
1067 case SpvOpTypeVector
: {
1068 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1069 unsigned elems
= w
[3];
1071 vtn_fail_if(base
->base_type
!= vtn_base_type_scalar
,
1072 "Base type for OpTypeVector must be a scalar");
1073 vtn_fail_if((elems
< 2 || elems
> 4) && (elems
!= 8) && (elems
!= 16),
1074 "Invalid component count for OpTypeVector");
1076 val
->type
->base_type
= vtn_base_type_vector
;
1077 val
->type
->type
= glsl_vector_type(glsl_get_base_type(base
->type
), elems
);
1078 val
->type
->length
= elems
;
1079 val
->type
->stride
= glsl_get_bit_size(base
->type
) / 8;
1080 val
->type
->array_element
= base
;
1084 case SpvOpTypeMatrix
: {
1085 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1086 unsigned columns
= w
[3];
1088 vtn_fail_if(base
->base_type
!= vtn_base_type_vector
,
1089 "Base type for OpTypeMatrix must be a vector");
1090 vtn_fail_if(columns
< 2 || columns
> 4,
1091 "Invalid column count for OpTypeMatrix");
1093 val
->type
->base_type
= vtn_base_type_matrix
;
1094 val
->type
->type
= glsl_matrix_type(glsl_get_base_type(base
->type
),
1095 glsl_get_vector_elements(base
->type
),
1097 vtn_fail_if(glsl_type_is_error(val
->type
->type
),
1098 "Unsupported base type for OpTypeMatrix");
1099 assert(!glsl_type_is_error(val
->type
->type
));
1100 val
->type
->length
= columns
;
1101 val
->type
->array_element
= base
;
1102 val
->type
->row_major
= false;
1103 val
->type
->stride
= 0;
1107 case SpvOpTypeRuntimeArray
:
1108 case SpvOpTypeArray
: {
1109 struct vtn_type
*array_element
=
1110 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1112 if (opcode
== SpvOpTypeRuntimeArray
) {
1113 /* A length of 0 is used to denote unsized arrays */
1114 val
->type
->length
= 0;
1117 vtn_value(b
, w
[3], vtn_value_type_constant
)->constant
->values
[0].u32
[0];
1120 val
->type
->base_type
= vtn_base_type_array
;
1121 val
->type
->type
= glsl_array_type(array_element
->type
, val
->type
->length
);
1122 val
->type
->array_element
= array_element
;
1123 val
->type
->stride
= 0;
1127 case SpvOpTypeStruct
: {
1128 unsigned num_fields
= count
- 2;
1129 val
->type
->base_type
= vtn_base_type_struct
;
1130 val
->type
->length
= num_fields
;
1131 val
->type
->members
= ralloc_array(b
, struct vtn_type
*, num_fields
);
1132 val
->type
->offsets
= ralloc_array(b
, unsigned, num_fields
);
1134 NIR_VLA(struct glsl_struct_field
, fields
, count
);
1135 for (unsigned i
= 0; i
< num_fields
; i
++) {
1136 val
->type
->members
[i
] =
1137 vtn_value(b
, w
[i
+ 2], vtn_value_type_type
)->type
;
1138 fields
[i
] = (struct glsl_struct_field
) {
1139 .type
= val
->type
->members
[i
]->type
,
1140 .name
= ralloc_asprintf(b
, "field%d", i
),
1145 struct member_decoration_ctx ctx
= {
1146 .num_fields
= num_fields
,
1151 vtn_foreach_decoration(b
, val
, struct_member_decoration_cb
, &ctx
);
1152 vtn_foreach_decoration(b
, val
, struct_member_matrix_stride_cb
, &ctx
);
1154 const char *name
= val
->name
? val
->name
: "struct";
1156 val
->type
->type
= glsl_struct_type(fields
, num_fields
, name
);
1160 case SpvOpTypeFunction
: {
1161 val
->type
->base_type
= vtn_base_type_function
;
1162 val
->type
->type
= NULL
;
1164 val
->type
->return_type
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1166 const unsigned num_params
= count
- 3;
1167 val
->type
->length
= num_params
;
1168 val
->type
->params
= ralloc_array(b
, struct vtn_type
*, num_params
);
1169 for (unsigned i
= 0; i
< count
- 3; i
++) {
1170 val
->type
->params
[i
] =
1171 vtn_value(b
, w
[i
+ 3], vtn_value_type_type
)->type
;
1176 case SpvOpTypePointer
: {
1177 SpvStorageClass storage_class
= w
[2];
1178 struct vtn_type
*deref_type
=
1179 vtn_value(b
, w
[3], vtn_value_type_type
)->type
;
1181 val
->type
->base_type
= vtn_base_type_pointer
;
1182 val
->type
->storage_class
= storage_class
;
1183 val
->type
->deref
= deref_type
;
1185 if (storage_class
== SpvStorageClassUniform
||
1186 storage_class
== SpvStorageClassStorageBuffer
) {
1187 /* These can actually be stored to nir_variables and used as SSA
1188 * values so they need a real glsl_type.
1190 val
->type
->type
= glsl_vector_type(GLSL_TYPE_UINT
, 2);
1193 if (storage_class
== SpvStorageClassPushConstant
) {
1194 /* These can actually be stored to nir_variables and used as SSA
1195 * values so they need a real glsl_type.
1197 val
->type
->type
= glsl_uint_type();
1200 if (storage_class
== SpvStorageClassWorkgroup
&&
1201 b
->options
->lower_workgroup_access_to_offsets
) {
1202 uint32_t size
, align
;
1203 val
->type
->deref
= vtn_type_layout_std430(b
, val
->type
->deref
,
1205 val
->type
->length
= size
;
1206 val
->type
->align
= align
;
1207 /* These can actually be stored to nir_variables and used as SSA
1208 * values so they need a real glsl_type.
1210 val
->type
->type
= glsl_uint_type();
1215 case SpvOpTypeImage
: {
1216 val
->type
->base_type
= vtn_base_type_image
;
1218 const struct vtn_type
*sampled_type
=
1219 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1221 vtn_fail_if(sampled_type
->base_type
!= vtn_base_type_scalar
||
1222 glsl_get_bit_size(sampled_type
->type
) != 32,
1223 "Sampled type of OpTypeImage must be a 32-bit scalar");
1225 enum glsl_sampler_dim dim
;
1226 switch ((SpvDim
)w
[3]) {
1227 case SpvDim1D
: dim
= GLSL_SAMPLER_DIM_1D
; break;
1228 case SpvDim2D
: dim
= GLSL_SAMPLER_DIM_2D
; break;
1229 case SpvDim3D
: dim
= GLSL_SAMPLER_DIM_3D
; break;
1230 case SpvDimCube
: dim
= GLSL_SAMPLER_DIM_CUBE
; break;
1231 case SpvDimRect
: dim
= GLSL_SAMPLER_DIM_RECT
; break;
1232 case SpvDimBuffer
: dim
= GLSL_SAMPLER_DIM_BUF
; break;
1233 case SpvDimSubpassData
: dim
= GLSL_SAMPLER_DIM_SUBPASS
; break;
1235 vtn_fail("Invalid SPIR-V image dimensionality");
1238 bool is_shadow
= w
[4];
1239 bool is_array
= w
[5];
1240 bool multisampled
= w
[6];
1241 unsigned sampled
= w
[7];
1242 SpvImageFormat format
= w
[8];
1245 val
->type
->access_qualifier
= w
[9];
1247 val
->type
->access_qualifier
= SpvAccessQualifierReadWrite
;
1250 if (dim
== GLSL_SAMPLER_DIM_2D
)
1251 dim
= GLSL_SAMPLER_DIM_MS
;
1252 else if (dim
== GLSL_SAMPLER_DIM_SUBPASS
)
1253 dim
= GLSL_SAMPLER_DIM_SUBPASS_MS
;
1255 vtn_fail("Unsupported multisampled image type");
1258 val
->type
->image_format
= translate_image_format(b
, format
);
1260 enum glsl_base_type sampled_base_type
=
1261 glsl_get_base_type(sampled_type
->type
);
1263 val
->type
->sampled
= true;
1264 val
->type
->type
= glsl_sampler_type(dim
, is_shadow
, is_array
,
1266 } else if (sampled
== 2) {
1267 vtn_assert(!is_shadow
);
1268 val
->type
->sampled
= false;
1269 val
->type
->type
= glsl_image_type(dim
, is_array
, sampled_base_type
);
1271 vtn_fail("We need to know if the image will be sampled");
1276 case SpvOpTypeSampledImage
:
1277 val
->type
->base_type
= vtn_base_type_sampled_image
;
1278 val
->type
->image
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1279 val
->type
->type
= val
->type
->image
->type
;
1282 case SpvOpTypeSampler
:
1283 /* The actual sampler type here doesn't really matter. It gets
1284 * thrown away the moment you combine it with an image. What really
1285 * matters is that it's a sampler type as opposed to an integer type
1286 * so the backend knows what to do.
1288 val
->type
->base_type
= vtn_base_type_sampler
;
1289 val
->type
->type
= glsl_bare_sampler_type();
1292 case SpvOpTypeOpaque
:
1293 case SpvOpTypeEvent
:
1294 case SpvOpTypeDeviceEvent
:
1295 case SpvOpTypeReserveId
:
1296 case SpvOpTypeQueue
:
1299 vtn_fail("Unhandled opcode");
1302 vtn_foreach_decoration(b
, val
, type_decoration_cb
, NULL
);
1305 static nir_constant
*
1306 vtn_null_constant(struct vtn_builder
*b
, const struct glsl_type
*type
)
1308 nir_constant
*c
= rzalloc(b
, nir_constant
);
1310 /* For pointers and other typeless things, we have to return something but
1311 * it doesn't matter what.
1316 switch (glsl_get_base_type(type
)) {
1318 case GLSL_TYPE_UINT
:
1319 case GLSL_TYPE_INT16
:
1320 case GLSL_TYPE_UINT16
:
1321 case GLSL_TYPE_UINT8
:
1322 case GLSL_TYPE_INT8
:
1323 case GLSL_TYPE_INT64
:
1324 case GLSL_TYPE_UINT64
:
1325 case GLSL_TYPE_BOOL
:
1326 case GLSL_TYPE_FLOAT
:
1327 case GLSL_TYPE_FLOAT16
:
1328 case GLSL_TYPE_DOUBLE
:
1329 /* Nothing to do here. It's already initialized to zero */
1332 case GLSL_TYPE_ARRAY
:
1333 vtn_assert(glsl_get_length(type
) > 0);
1334 c
->num_elements
= glsl_get_length(type
);
1335 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1337 c
->elements
[0] = vtn_null_constant(b
, glsl_get_array_element(type
));
1338 for (unsigned i
= 1; i
< c
->num_elements
; i
++)
1339 c
->elements
[i
] = c
->elements
[0];
1342 case GLSL_TYPE_STRUCT
:
1343 c
->num_elements
= glsl_get_length(type
);
1344 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1346 for (unsigned i
= 0; i
< c
->num_elements
; i
++) {
1347 c
->elements
[i
] = vtn_null_constant(b
, glsl_get_struct_field(type
, i
));
1352 vtn_fail("Invalid type for null constant");
1359 spec_constant_decoration_cb(struct vtn_builder
*b
, struct vtn_value
*v
,
1360 int member
, const struct vtn_decoration
*dec
,
1363 vtn_assert(member
== -1);
1364 if (dec
->decoration
!= SpvDecorationSpecId
)
1367 struct spec_constant_value
*const_value
= data
;
1369 for (unsigned i
= 0; i
< b
->num_specializations
; i
++) {
1370 if (b
->specializations
[i
].id
== dec
->literals
[0]) {
1371 if (const_value
->is_double
)
1372 const_value
->data64
= b
->specializations
[i
].data64
;
1374 const_value
->data32
= b
->specializations
[i
].data32
;
1381 get_specialization(struct vtn_builder
*b
, struct vtn_value
*val
,
1382 uint32_t const_value
)
1384 struct spec_constant_value data
;
1385 data
.is_double
= false;
1386 data
.data32
= const_value
;
1387 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1392 get_specialization64(struct vtn_builder
*b
, struct vtn_value
*val
,
1393 uint64_t const_value
)
1395 struct spec_constant_value data
;
1396 data
.is_double
= true;
1397 data
.data64
= const_value
;
1398 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1403 handle_workgroup_size_decoration_cb(struct vtn_builder
*b
,
1404 struct vtn_value
*val
,
1406 const struct vtn_decoration
*dec
,
1409 vtn_assert(member
== -1);
1410 if (dec
->decoration
!= SpvDecorationBuiltIn
||
1411 dec
->literals
[0] != SpvBuiltInWorkgroupSize
)
1414 vtn_assert(val
->type
->type
== glsl_vector_type(GLSL_TYPE_UINT
, 3));
1416 b
->shader
->info
.cs
.local_size
[0] = val
->constant
->values
[0].u32
[0];
1417 b
->shader
->info
.cs
.local_size
[1] = val
->constant
->values
[0].u32
[1];
1418 b
->shader
->info
.cs
.local_size
[2] = val
->constant
->values
[0].u32
[2];
1422 vtn_handle_constant(struct vtn_builder
*b
, SpvOp opcode
,
1423 const uint32_t *w
, unsigned count
)
1425 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_constant
);
1426 val
->constant
= rzalloc(b
, nir_constant
);
1428 case SpvOpConstantTrue
:
1429 case SpvOpConstantFalse
:
1430 case SpvOpSpecConstantTrue
:
1431 case SpvOpSpecConstantFalse
: {
1432 vtn_fail_if(val
->type
->type
!= glsl_bool_type(),
1433 "Result type of %s must be OpTypeBool",
1434 spirv_op_to_string(opcode
));
1436 uint32_t int_val
= (opcode
== SpvOpConstantTrue
||
1437 opcode
== SpvOpSpecConstantTrue
);
1439 if (opcode
== SpvOpSpecConstantTrue
||
1440 opcode
== SpvOpSpecConstantFalse
)
1441 int_val
= get_specialization(b
, val
, int_val
);
1443 val
->constant
->values
[0].u32
[0] = int_val
? NIR_TRUE
: NIR_FALSE
;
1447 case SpvOpConstant
: {
1448 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1449 "Result type of %s must be a scalar",
1450 spirv_op_to_string(opcode
));
1451 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1454 val
->constant
->values
->u64
[0] = vtn_u64_literal(&w
[3]);
1457 val
->constant
->values
->u32
[0] = w
[3];
1460 val
->constant
->values
->u16
[0] = w
[3];
1463 val
->constant
->values
->u8
[0] = w
[3];
1466 vtn_fail("Unsupported SpvOpConstant bit size");
1471 case SpvOpSpecConstant
: {
1472 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1473 "Result type of %s must be a scalar",
1474 spirv_op_to_string(opcode
));
1475 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1478 val
->constant
->values
[0].u64
[0] =
1479 get_specialization64(b
, val
, vtn_u64_literal(&w
[3]));
1482 val
->constant
->values
[0].u32
[0] = get_specialization(b
, val
, w
[3]);
1485 val
->constant
->values
[0].u16
[0] = get_specialization(b
, val
, w
[3]);
1488 val
->constant
->values
[0].u8
[0] = get_specialization(b
, val
, w
[3]);
1491 vtn_fail("Unsupported SpvOpSpecConstant bit size");
1496 case SpvOpSpecConstantComposite
:
1497 case SpvOpConstantComposite
: {
1498 unsigned elem_count
= count
- 3;
1499 vtn_fail_if(elem_count
!= val
->type
->length
,
1500 "%s has %u constituents, expected %u",
1501 spirv_op_to_string(opcode
), elem_count
, val
->type
->length
);
1503 nir_constant
**elems
= ralloc_array(b
, nir_constant
*, elem_count
);
1504 for (unsigned i
= 0; i
< elem_count
; i
++) {
1505 struct vtn_value
*val
= vtn_untyped_value(b
, w
[i
+ 3]);
1507 if (val
->value_type
== vtn_value_type_constant
) {
1508 elems
[i
] = val
->constant
;
1510 vtn_fail_if(val
->value_type
!= vtn_value_type_undef
,
1511 "only constants or undefs allowed for "
1512 "SpvOpConstantComposite");
1513 /* to make it easier, just insert a NULL constant for now */
1514 elems
[i
] = vtn_null_constant(b
, val
->type
->type
);
1518 switch (val
->type
->base_type
) {
1519 case vtn_base_type_vector
: {
1520 assert(glsl_type_is_vector(val
->type
->type
));
1521 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1522 for (unsigned i
= 0; i
< elem_count
; i
++) {
1525 val
->constant
->values
[0].u64
[i
] = elems
[i
]->values
[0].u64
[0];
1528 val
->constant
->values
[0].u32
[i
] = elems
[i
]->values
[0].u32
[0];
1531 val
->constant
->values
[0].u16
[i
] = elems
[i
]->values
[0].u16
[0];
1534 val
->constant
->values
[0].u8
[i
] = elems
[i
]->values
[0].u8
[0];
1537 vtn_fail("Invalid SpvOpConstantComposite bit size");
1543 case vtn_base_type_matrix
:
1544 assert(glsl_type_is_matrix(val
->type
->type
));
1545 for (unsigned i
= 0; i
< elem_count
; i
++)
1546 val
->constant
->values
[i
] = elems
[i
]->values
[0];
1549 case vtn_base_type_struct
:
1550 case vtn_base_type_array
:
1551 ralloc_steal(val
->constant
, elems
);
1552 val
->constant
->num_elements
= elem_count
;
1553 val
->constant
->elements
= elems
;
1557 vtn_fail("Result type of %s must be a composite type",
1558 spirv_op_to_string(opcode
));
1563 case SpvOpSpecConstantOp
: {
1564 SpvOp opcode
= get_specialization(b
, val
, w
[3]);
1566 case SpvOpVectorShuffle
: {
1567 struct vtn_value
*v0
= &b
->values
[w
[4]];
1568 struct vtn_value
*v1
= &b
->values
[w
[5]];
1570 vtn_assert(v0
->value_type
== vtn_value_type_constant
||
1571 v0
->value_type
== vtn_value_type_undef
);
1572 vtn_assert(v1
->value_type
== vtn_value_type_constant
||
1573 v1
->value_type
== vtn_value_type_undef
);
1575 unsigned len0
= glsl_get_vector_elements(v0
->type
->type
);
1576 unsigned len1
= glsl_get_vector_elements(v1
->type
->type
);
1578 vtn_assert(len0
+ len1
< 16);
1580 unsigned bit_size
= glsl_get_bit_size(val
->type
->type
);
1581 unsigned bit_size0
= glsl_get_bit_size(v0
->type
->type
);
1582 unsigned bit_size1
= glsl_get_bit_size(v1
->type
->type
);
1584 vtn_assert(bit_size
== bit_size0
&& bit_size
== bit_size1
);
1585 (void)bit_size0
; (void)bit_size1
;
1587 if (bit_size
== 64) {
1589 if (v0
->value_type
== vtn_value_type_constant
) {
1590 for (unsigned i
= 0; i
< len0
; i
++)
1591 u64
[i
] = v0
->constant
->values
[0].u64
[i
];
1593 if (v1
->value_type
== vtn_value_type_constant
) {
1594 for (unsigned i
= 0; i
< len1
; i
++)
1595 u64
[len0
+ i
] = v1
->constant
->values
[0].u64
[i
];
1598 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1599 uint32_t comp
= w
[i
+ 6];
1600 /* If component is not used, set the value to a known constant
1601 * to detect if it is wrongly used.
1603 if (comp
== (uint32_t)-1)
1604 val
->constant
->values
[0].u64
[j
] = 0xdeadbeefdeadbeef;
1606 val
->constant
->values
[0].u64
[j
] = u64
[comp
];
1609 /* This is for both 32-bit and 16-bit values */
1611 if (v0
->value_type
== vtn_value_type_constant
) {
1612 for (unsigned i
= 0; i
< len0
; i
++)
1613 u32
[i
] = v0
->constant
->values
[0].u32
[i
];
1615 if (v1
->value_type
== vtn_value_type_constant
) {
1616 for (unsigned i
= 0; i
< len1
; i
++)
1617 u32
[len0
+ i
] = v1
->constant
->values
[0].u32
[i
];
1620 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1621 uint32_t comp
= w
[i
+ 6];
1622 /* If component is not used, set the value to a known constant
1623 * to detect if it is wrongly used.
1625 if (comp
== (uint32_t)-1)
1626 val
->constant
->values
[0].u32
[j
] = 0xdeadbeef;
1628 val
->constant
->values
[0].u32
[j
] = u32
[comp
];
1634 case SpvOpCompositeExtract
:
1635 case SpvOpCompositeInsert
: {
1636 struct vtn_value
*comp
;
1637 unsigned deref_start
;
1638 struct nir_constant
**c
;
1639 if (opcode
== SpvOpCompositeExtract
) {
1640 comp
= vtn_value(b
, w
[4], vtn_value_type_constant
);
1642 c
= &comp
->constant
;
1644 comp
= vtn_value(b
, w
[5], vtn_value_type_constant
);
1646 val
->constant
= nir_constant_clone(comp
->constant
,
1653 const struct vtn_type
*type
= comp
->type
;
1654 for (unsigned i
= deref_start
; i
< count
; i
++) {
1655 vtn_fail_if(w
[i
] > type
->length
,
1656 "%uth index of %s is %u but the type has only "
1657 "%u elements", i
- deref_start
,
1658 spirv_op_to_string(opcode
), w
[i
], type
->length
);
1660 switch (type
->base_type
) {
1661 case vtn_base_type_vector
:
1663 type
= type
->array_element
;
1666 case vtn_base_type_matrix
:
1667 assert(col
== 0 && elem
== -1);
1670 type
= type
->array_element
;
1673 case vtn_base_type_array
:
1674 c
= &(*c
)->elements
[w
[i
]];
1675 type
= type
->array_element
;
1678 case vtn_base_type_struct
:
1679 c
= &(*c
)->elements
[w
[i
]];
1680 type
= type
->members
[w
[i
]];
1684 vtn_fail("%s must only index into composite types",
1685 spirv_op_to_string(opcode
));
1689 if (opcode
== SpvOpCompositeExtract
) {
1693 unsigned num_components
= type
->length
;
1694 unsigned bit_size
= glsl_get_bit_size(type
->type
);
1695 for (unsigned i
= 0; i
< num_components
; i
++)
1698 val
->constant
->values
[0].u64
[i
] = (*c
)->values
[col
].u64
[elem
+ i
];
1701 val
->constant
->values
[0].u32
[i
] = (*c
)->values
[col
].u32
[elem
+ i
];
1704 val
->constant
->values
[0].u16
[i
] = (*c
)->values
[col
].u16
[elem
+ i
];
1707 val
->constant
->values
[0].u8
[i
] = (*c
)->values
[col
].u8
[elem
+ i
];
1710 vtn_fail("Invalid SpvOpCompositeExtract bit size");
1714 struct vtn_value
*insert
=
1715 vtn_value(b
, w
[4], vtn_value_type_constant
);
1716 vtn_assert(insert
->type
== type
);
1718 *c
= insert
->constant
;
1720 unsigned num_components
= type
->length
;
1721 unsigned bit_size
= glsl_get_bit_size(type
->type
);
1722 for (unsigned i
= 0; i
< num_components
; i
++)
1725 (*c
)->values
[col
].u64
[elem
+ i
] = insert
->constant
->values
[0].u64
[i
];
1728 (*c
)->values
[col
].u32
[elem
+ i
] = insert
->constant
->values
[0].u32
[i
];
1731 (*c
)->values
[col
].u16
[elem
+ i
] = insert
->constant
->values
[0].u16
[i
];
1734 (*c
)->values
[col
].u8
[elem
+ i
] = insert
->constant
->values
[0].u8
[i
];
1737 vtn_fail("Invalid SpvOpCompositeInsert bit size");
1746 nir_alu_type dst_alu_type
= nir_get_nir_type_for_glsl_type(val
->type
->type
);
1747 nir_alu_type src_alu_type
= dst_alu_type
;
1748 unsigned num_components
= glsl_get_vector_elements(val
->type
->type
);
1751 vtn_assert(count
<= 7);
1756 /* We have a source in a conversion */
1758 nir_get_nir_type_for_glsl_type(
1759 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1760 /* We use the bitsize of the conversion source to evaluate the opcode later */
1761 bit_size
= glsl_get_bit_size(
1762 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1765 bit_size
= glsl_get_bit_size(val
->type
->type
);
1768 nir_op op
= vtn_nir_alu_op_for_spirv_opcode(b
, opcode
, &swap
,
1769 nir_alu_type_get_type_size(src_alu_type
),
1770 nir_alu_type_get_type_size(dst_alu_type
));
1771 nir_const_value src
[4];
1773 for (unsigned i
= 0; i
< count
- 4; i
++) {
1775 vtn_value(b
, w
[4 + i
], vtn_value_type_constant
)->constant
;
1777 unsigned j
= swap
? 1 - i
: i
;
1778 src
[j
] = c
->values
[0];
1781 val
->constant
->values
[0] =
1782 nir_eval_const_opcode(op
, num_components
, bit_size
, src
);
1789 case SpvOpConstantNull
:
1790 val
->constant
= vtn_null_constant(b
, val
->type
->type
);
1793 case SpvOpConstantSampler
:
1794 vtn_fail("OpConstantSampler requires Kernel Capability");
1798 vtn_fail("Unhandled opcode");
1801 /* Now that we have the value, update the workgroup size if needed */
1802 vtn_foreach_decoration(b
, val
, handle_workgroup_size_decoration_cb
, NULL
);
1806 vtn_handle_function_call(struct vtn_builder
*b
, SpvOp opcode
,
1807 const uint32_t *w
, unsigned count
)
1809 struct vtn_type
*res_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
1810 struct vtn_function
*vtn_callee
=
1811 vtn_value(b
, w
[3], vtn_value_type_function
)->func
;
1812 struct nir_function
*callee
= vtn_callee
->impl
->function
;
1814 vtn_callee
->referenced
= true;
1816 nir_call_instr
*call
= nir_call_instr_create(b
->nb
.shader
, callee
);
1818 unsigned param_idx
= 0;
1820 nir_deref_instr
*ret_deref
= NULL
;
1821 struct vtn_type
*ret_type
= vtn_callee
->type
->return_type
;
1822 if (ret_type
->base_type
!= vtn_base_type_void
) {
1823 nir_variable
*ret_tmp
=
1824 nir_local_variable_create(b
->nb
.impl
, ret_type
->type
, "return_tmp");
1825 ret_deref
= nir_build_deref_var(&b
->nb
, ret_tmp
);
1826 call
->params
[param_idx
++] = nir_src_for_ssa(&ret_deref
->dest
.ssa
);
1829 for (unsigned i
= 0; i
< vtn_callee
->type
->length
; i
++) {
1830 struct vtn_type
*arg_type
= vtn_callee
->type
->params
[i
];
1831 unsigned arg_id
= w
[4 + i
];
1833 if (arg_type
->base_type
== vtn_base_type_sampled_image
) {
1834 struct vtn_sampled_image
*sampled_image
=
1835 vtn_value(b
, arg_id
, vtn_value_type_sampled_image
)->sampled_image
;
1837 call
->params
[param_idx
++] =
1838 nir_src_for_ssa(&sampled_image
->image
->deref
->dest
.ssa
);
1839 call
->params
[param_idx
++] =
1840 nir_src_for_ssa(&sampled_image
->sampler
->deref
->dest
.ssa
);
1841 } else if (arg_type
->base_type
== vtn_base_type_pointer
||
1842 arg_type
->base_type
== vtn_base_type_image
||
1843 arg_type
->base_type
== vtn_base_type_sampler
) {
1844 struct vtn_pointer
*pointer
=
1845 vtn_value(b
, arg_id
, vtn_value_type_pointer
)->pointer
;
1846 call
->params
[param_idx
++] =
1847 nir_src_for_ssa(vtn_pointer_to_ssa(b
, pointer
));
1849 /* This is a regular SSA value and we need a temporary */
1851 nir_local_variable_create(b
->nb
.impl
, arg_type
->type
, "arg_tmp");
1852 nir_deref_instr
*tmp_deref
= nir_build_deref_var(&b
->nb
, tmp
);
1853 vtn_local_store(b
, vtn_ssa_value(b
, arg_id
), tmp_deref
);
1854 call
->params
[param_idx
++] = nir_src_for_ssa(&tmp_deref
->dest
.ssa
);
1857 assert(param_idx
== call
->num_params
);
1859 nir_builder_instr_insert(&b
->nb
, &call
->instr
);
1861 if (ret_type
->base_type
== vtn_base_type_void
) {
1862 vtn_push_value(b
, w
[2], vtn_value_type_undef
);
1864 vtn_push_ssa(b
, w
[2], res_type
, vtn_local_load(b
, ret_deref
));
1868 struct vtn_ssa_value
*
1869 vtn_create_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
1871 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
1874 if (!glsl_type_is_vector_or_scalar(type
)) {
1875 unsigned elems
= glsl_get_length(type
);
1876 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
1877 for (unsigned i
= 0; i
< elems
; i
++) {
1878 const struct glsl_type
*child_type
;
1880 switch (glsl_get_base_type(type
)) {
1882 case GLSL_TYPE_UINT
:
1883 case GLSL_TYPE_INT16
:
1884 case GLSL_TYPE_UINT16
:
1885 case GLSL_TYPE_UINT8
:
1886 case GLSL_TYPE_INT8
:
1887 case GLSL_TYPE_INT64
:
1888 case GLSL_TYPE_UINT64
:
1889 case GLSL_TYPE_BOOL
:
1890 case GLSL_TYPE_FLOAT
:
1891 case GLSL_TYPE_FLOAT16
:
1892 case GLSL_TYPE_DOUBLE
:
1893 child_type
= glsl_get_column_type(type
);
1895 case GLSL_TYPE_ARRAY
:
1896 child_type
= glsl_get_array_element(type
);
1898 case GLSL_TYPE_STRUCT
:
1899 child_type
= glsl_get_struct_field(type
, i
);
1902 vtn_fail("unkown base type");
1905 val
->elems
[i
] = vtn_create_ssa_value(b
, child_type
);
1913 vtn_tex_src(struct vtn_builder
*b
, unsigned index
, nir_tex_src_type type
)
1916 src
.src
= nir_src_for_ssa(vtn_ssa_value(b
, index
)->def
);
1917 src
.src_type
= type
;
1922 vtn_handle_texture(struct vtn_builder
*b
, SpvOp opcode
,
1923 const uint32_t *w
, unsigned count
)
1925 if (opcode
== SpvOpSampledImage
) {
1926 struct vtn_value
*val
=
1927 vtn_push_value(b
, w
[2], vtn_value_type_sampled_image
);
1928 val
->sampled_image
= ralloc(b
, struct vtn_sampled_image
);
1929 val
->sampled_image
->type
=
1930 vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
1931 val
->sampled_image
->image
=
1932 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
1933 val
->sampled_image
->sampler
=
1934 vtn_value(b
, w
[4], vtn_value_type_pointer
)->pointer
;
1936 } else if (opcode
== SpvOpImage
) {
1937 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_pointer
);
1938 struct vtn_value
*src_val
= vtn_untyped_value(b
, w
[3]);
1939 if (src_val
->value_type
== vtn_value_type_sampled_image
) {
1940 val
->pointer
= src_val
->sampled_image
->image
;
1942 vtn_assert(src_val
->value_type
== vtn_value_type_pointer
);
1943 val
->pointer
= src_val
->pointer
;
1948 struct vtn_type
*ret_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
1949 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
1951 struct vtn_sampled_image sampled
;
1952 struct vtn_value
*sampled_val
= vtn_untyped_value(b
, w
[3]);
1953 if (sampled_val
->value_type
== vtn_value_type_sampled_image
) {
1954 sampled
= *sampled_val
->sampled_image
;
1956 vtn_assert(sampled_val
->value_type
== vtn_value_type_pointer
);
1957 sampled
.type
= sampled_val
->pointer
->type
;
1958 sampled
.image
= NULL
;
1959 sampled
.sampler
= sampled_val
->pointer
;
1962 const struct glsl_type
*image_type
= sampled
.type
->type
;
1963 const enum glsl_sampler_dim sampler_dim
= glsl_get_sampler_dim(image_type
);
1964 const bool is_array
= glsl_sampler_type_is_array(image_type
);
1966 /* Figure out the base texture operation */
1969 case SpvOpImageSampleImplicitLod
:
1970 case SpvOpImageSampleDrefImplicitLod
:
1971 case SpvOpImageSampleProjImplicitLod
:
1972 case SpvOpImageSampleProjDrefImplicitLod
:
1973 texop
= nir_texop_tex
;
1976 case SpvOpImageSampleExplicitLod
:
1977 case SpvOpImageSampleDrefExplicitLod
:
1978 case SpvOpImageSampleProjExplicitLod
:
1979 case SpvOpImageSampleProjDrefExplicitLod
:
1980 texop
= nir_texop_txl
;
1983 case SpvOpImageFetch
:
1984 if (glsl_get_sampler_dim(image_type
) == GLSL_SAMPLER_DIM_MS
) {
1985 texop
= nir_texop_txf_ms
;
1987 texop
= nir_texop_txf
;
1991 case SpvOpImageGather
:
1992 case SpvOpImageDrefGather
:
1993 texop
= nir_texop_tg4
;
1996 case SpvOpImageQuerySizeLod
:
1997 case SpvOpImageQuerySize
:
1998 texop
= nir_texop_txs
;
2001 case SpvOpImageQueryLod
:
2002 texop
= nir_texop_lod
;
2005 case SpvOpImageQueryLevels
:
2006 texop
= nir_texop_query_levels
;
2009 case SpvOpImageQuerySamples
:
2010 texop
= nir_texop_texture_samples
;
2014 vtn_fail("Unhandled opcode");
2017 nir_tex_src srcs
[10]; /* 10 should be enough */
2018 nir_tex_src
*p
= srcs
;
2020 nir_deref_instr
*sampler
= vtn_pointer_to_deref(b
, sampled
.sampler
);
2021 nir_deref_instr
*texture
=
2022 sampled
.image
? vtn_pointer_to_deref(b
, sampled
.image
) : sampler
;
2024 p
->src
= nir_src_for_ssa(&texture
->dest
.ssa
);
2025 p
->src_type
= nir_tex_src_texture_deref
;
2034 /* These operations require a sampler */
2035 p
->src
= nir_src_for_ssa(&sampler
->dest
.ssa
);
2036 p
->src_type
= nir_tex_src_sampler_deref
;
2040 case nir_texop_txf_ms
:
2043 case nir_texop_query_levels
:
2044 case nir_texop_texture_samples
:
2045 case nir_texop_samples_identical
:
2048 case nir_texop_txf_ms_mcs
:
2049 vtn_fail("unexpected nir_texop_txf_ms_mcs");
2054 struct nir_ssa_def
*coord
;
2055 unsigned coord_components
;
2057 case SpvOpImageSampleImplicitLod
:
2058 case SpvOpImageSampleExplicitLod
:
2059 case SpvOpImageSampleDrefImplicitLod
:
2060 case SpvOpImageSampleDrefExplicitLod
:
2061 case SpvOpImageSampleProjImplicitLod
:
2062 case SpvOpImageSampleProjExplicitLod
:
2063 case SpvOpImageSampleProjDrefImplicitLod
:
2064 case SpvOpImageSampleProjDrefExplicitLod
:
2065 case SpvOpImageFetch
:
2066 case SpvOpImageGather
:
2067 case SpvOpImageDrefGather
:
2068 case SpvOpImageQueryLod
: {
2069 /* All these types have the coordinate as their first real argument */
2070 switch (sampler_dim
) {
2071 case GLSL_SAMPLER_DIM_1D
:
2072 case GLSL_SAMPLER_DIM_BUF
:
2073 coord_components
= 1;
2075 case GLSL_SAMPLER_DIM_2D
:
2076 case GLSL_SAMPLER_DIM_RECT
:
2077 case GLSL_SAMPLER_DIM_MS
:
2078 coord_components
= 2;
2080 case GLSL_SAMPLER_DIM_3D
:
2081 case GLSL_SAMPLER_DIM_CUBE
:
2082 coord_components
= 3;
2085 vtn_fail("Invalid sampler type");
2088 if (is_array
&& texop
!= nir_texop_lod
)
2091 coord
= vtn_ssa_value(b
, w
[idx
++])->def
;
2092 p
->src
= nir_src_for_ssa(nir_channels(&b
->nb
, coord
,
2093 (1 << coord_components
) - 1));
2094 p
->src_type
= nir_tex_src_coord
;
2101 coord_components
= 0;
2106 case SpvOpImageSampleProjImplicitLod
:
2107 case SpvOpImageSampleProjExplicitLod
:
2108 case SpvOpImageSampleProjDrefImplicitLod
:
2109 case SpvOpImageSampleProjDrefExplicitLod
:
2110 /* These have the projector as the last coordinate component */
2111 p
->src
= nir_src_for_ssa(nir_channel(&b
->nb
, coord
, coord_components
));
2112 p
->src_type
= nir_tex_src_projector
;
2120 bool is_shadow
= false;
2121 unsigned gather_component
= 0;
2123 case SpvOpImageSampleDrefImplicitLod
:
2124 case SpvOpImageSampleDrefExplicitLod
:
2125 case SpvOpImageSampleProjDrefImplicitLod
:
2126 case SpvOpImageSampleProjDrefExplicitLod
:
2127 case SpvOpImageDrefGather
:
2128 /* These all have an explicit depth value as their next source */
2130 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_comparator
);
2133 case SpvOpImageGather
:
2134 /* This has a component as its next source */
2136 vtn_value(b
, w
[idx
++], vtn_value_type_constant
)->constant
->values
[0].u32
[0];
2143 /* For OpImageQuerySizeLod, we always have an LOD */
2144 if (opcode
== SpvOpImageQuerySizeLod
)
2145 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2147 /* Now we need to handle some number of optional arguments */
2148 const struct vtn_ssa_value
*gather_offsets
= NULL
;
2150 uint32_t operands
= w
[idx
++];
2152 if (operands
& SpvImageOperandsBiasMask
) {
2153 vtn_assert(texop
== nir_texop_tex
);
2154 texop
= nir_texop_txb
;
2155 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_bias
);
2158 if (operands
& SpvImageOperandsLodMask
) {
2159 vtn_assert(texop
== nir_texop_txl
|| texop
== nir_texop_txf
||
2160 texop
== nir_texop_txs
);
2161 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2164 if (operands
& SpvImageOperandsGradMask
) {
2165 vtn_assert(texop
== nir_texop_txl
);
2166 texop
= nir_texop_txd
;
2167 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddx
);
2168 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddy
);
2171 if (operands
& SpvImageOperandsOffsetMask
||
2172 operands
& SpvImageOperandsConstOffsetMask
)
2173 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_offset
);
2175 if (operands
& SpvImageOperandsConstOffsetsMask
) {
2176 nir_tex_src none
= {0};
2177 gather_offsets
= vtn_ssa_value(b
, w
[idx
++]);
2181 if (operands
& SpvImageOperandsSampleMask
) {
2182 vtn_assert(texop
== nir_texop_txf_ms
);
2183 texop
= nir_texop_txf_ms
;
2184 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ms_index
);
2187 /* We should have now consumed exactly all of the arguments */
2188 vtn_assert(idx
== count
);
2190 nir_tex_instr
*instr
= nir_tex_instr_create(b
->shader
, p
- srcs
);
2193 memcpy(instr
->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
2195 instr
->coord_components
= coord_components
;
2196 instr
->sampler_dim
= sampler_dim
;
2197 instr
->is_array
= is_array
;
2198 instr
->is_shadow
= is_shadow
;
2199 instr
->is_new_style_shadow
=
2200 is_shadow
&& glsl_get_components(ret_type
->type
) == 1;
2201 instr
->component
= gather_component
;
2203 switch (glsl_get_sampler_result_type(image_type
)) {
2204 case GLSL_TYPE_FLOAT
: instr
->dest_type
= nir_type_float
; break;
2205 case GLSL_TYPE_INT
: instr
->dest_type
= nir_type_int
; break;
2206 case GLSL_TYPE_UINT
: instr
->dest_type
= nir_type_uint
; break;
2207 case GLSL_TYPE_BOOL
: instr
->dest_type
= nir_type_bool
; break;
2209 vtn_fail("Invalid base type for sampler result");
2212 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
2213 nir_tex_instr_dest_size(instr
), 32, NULL
);
2215 vtn_assert(glsl_get_vector_elements(ret_type
->type
) ==
2216 nir_tex_instr_dest_size(instr
));
2219 nir_instr
*instruction
;
2220 if (gather_offsets
) {
2221 vtn_assert(glsl_get_base_type(gather_offsets
->type
) == GLSL_TYPE_ARRAY
);
2222 vtn_assert(glsl_get_length(gather_offsets
->type
) == 4);
2223 nir_tex_instr
*instrs
[4] = {instr
, NULL
, NULL
, NULL
};
2225 /* Copy the current instruction 4x */
2226 for (uint32_t i
= 1; i
< 4; i
++) {
2227 instrs
[i
] = nir_tex_instr_create(b
->shader
, instr
->num_srcs
);
2228 instrs
[i
]->op
= instr
->op
;
2229 instrs
[i
]->coord_components
= instr
->coord_components
;
2230 instrs
[i
]->sampler_dim
= instr
->sampler_dim
;
2231 instrs
[i
]->is_array
= instr
->is_array
;
2232 instrs
[i
]->is_shadow
= instr
->is_shadow
;
2233 instrs
[i
]->is_new_style_shadow
= instr
->is_new_style_shadow
;
2234 instrs
[i
]->component
= instr
->component
;
2235 instrs
[i
]->dest_type
= instr
->dest_type
;
2237 memcpy(instrs
[i
]->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
2239 nir_ssa_dest_init(&instrs
[i
]->instr
, &instrs
[i
]->dest
,
2240 nir_tex_instr_dest_size(instr
), 32, NULL
);
2243 /* Fill in the last argument with the offset from the passed in offsets
2244 * and insert the instruction into the stream.
2246 for (uint32_t i
= 0; i
< 4; i
++) {
2248 src
.src
= nir_src_for_ssa(gather_offsets
->elems
[i
]->def
);
2249 src
.src_type
= nir_tex_src_offset
;
2250 instrs
[i
]->src
[instrs
[i
]->num_srcs
- 1] = src
;
2251 nir_builder_instr_insert(&b
->nb
, &instrs
[i
]->instr
);
2254 /* Combine the results of the 4 instructions by taking their .w
2257 nir_alu_instr
*vec4
= nir_alu_instr_create(b
->shader
, nir_op_vec4
);
2258 nir_ssa_dest_init(&vec4
->instr
, &vec4
->dest
.dest
, 4, 32, NULL
);
2259 vec4
->dest
.write_mask
= 0xf;
2260 for (uint32_t i
= 0; i
< 4; i
++) {
2261 vec4
->src
[i
].src
= nir_src_for_ssa(&instrs
[i
]->dest
.ssa
);
2262 vec4
->src
[i
].swizzle
[0] = 3;
2264 def
= &vec4
->dest
.dest
.ssa
;
2265 instruction
= &vec4
->instr
;
2267 def
= &instr
->dest
.ssa
;
2268 instruction
= &instr
->instr
;
2271 val
->ssa
= vtn_create_ssa_value(b
, ret_type
->type
);
2272 val
->ssa
->def
= def
;
2274 nir_builder_instr_insert(&b
->nb
, instruction
);
2278 fill_common_atomic_sources(struct vtn_builder
*b
, SpvOp opcode
,
2279 const uint32_t *w
, nir_src
*src
)
2282 case SpvOpAtomicIIncrement
:
2283 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, 1));
2286 case SpvOpAtomicIDecrement
:
2287 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, -1));
2290 case SpvOpAtomicISub
:
2292 nir_src_for_ssa(nir_ineg(&b
->nb
, vtn_ssa_value(b
, w
[6])->def
));
2295 case SpvOpAtomicCompareExchange
:
2296 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[8])->def
);
2297 src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[7])->def
);
2300 case SpvOpAtomicExchange
:
2301 case SpvOpAtomicIAdd
:
2302 case SpvOpAtomicSMin
:
2303 case SpvOpAtomicUMin
:
2304 case SpvOpAtomicSMax
:
2305 case SpvOpAtomicUMax
:
2306 case SpvOpAtomicAnd
:
2308 case SpvOpAtomicXor
:
2309 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[6])->def
);
2313 vtn_fail("Invalid SPIR-V atomic");
2317 static nir_ssa_def
*
2318 get_image_coord(struct vtn_builder
*b
, uint32_t value
)
2320 struct vtn_ssa_value
*coord
= vtn_ssa_value(b
, value
);
2322 /* The image_load_store intrinsics assume a 4-dim coordinate */
2323 unsigned dim
= glsl_get_vector_elements(coord
->type
);
2324 unsigned swizzle
[4];
2325 for (unsigned i
= 0; i
< 4; i
++)
2326 swizzle
[i
] = MIN2(i
, dim
- 1);
2328 return nir_swizzle(&b
->nb
, coord
->def
, swizzle
, 4, false);
2331 static nir_ssa_def
*
2332 expand_to_vec4(nir_builder
*b
, nir_ssa_def
*value
)
2334 if (value
->num_components
== 4)
2338 for (unsigned i
= 0; i
< 4; i
++)
2339 swiz
[i
] = i
< value
->num_components
? i
: 0;
2340 return nir_swizzle(b
, value
, swiz
, 4, false);
2344 vtn_handle_image(struct vtn_builder
*b
, SpvOp opcode
,
2345 const uint32_t *w
, unsigned count
)
2347 /* Just get this one out of the way */
2348 if (opcode
== SpvOpImageTexelPointer
) {
2349 struct vtn_value
*val
=
2350 vtn_push_value(b
, w
[2], vtn_value_type_image_pointer
);
2351 val
->image
= ralloc(b
, struct vtn_image_pointer
);
2353 val
->image
->image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2354 val
->image
->coord
= get_image_coord(b
, w
[4]);
2355 val
->image
->sample
= vtn_ssa_value(b
, w
[5])->def
;
2359 struct vtn_image_pointer image
;
2362 case SpvOpAtomicExchange
:
2363 case SpvOpAtomicCompareExchange
:
2364 case SpvOpAtomicCompareExchangeWeak
:
2365 case SpvOpAtomicIIncrement
:
2366 case SpvOpAtomicIDecrement
:
2367 case SpvOpAtomicIAdd
:
2368 case SpvOpAtomicISub
:
2369 case SpvOpAtomicLoad
:
2370 case SpvOpAtomicSMin
:
2371 case SpvOpAtomicUMin
:
2372 case SpvOpAtomicSMax
:
2373 case SpvOpAtomicUMax
:
2374 case SpvOpAtomicAnd
:
2376 case SpvOpAtomicXor
:
2377 image
= *vtn_value(b
, w
[3], vtn_value_type_image_pointer
)->image
;
2380 case SpvOpAtomicStore
:
2381 image
= *vtn_value(b
, w
[1], vtn_value_type_image_pointer
)->image
;
2384 case SpvOpImageQuerySize
:
2385 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2387 image
.sample
= NULL
;
2390 case SpvOpImageRead
:
2391 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2392 image
.coord
= get_image_coord(b
, w
[4]);
2394 if (count
> 5 && (w
[5] & SpvImageOperandsSampleMask
)) {
2395 vtn_assert(w
[5] == SpvImageOperandsSampleMask
);
2396 image
.sample
= vtn_ssa_value(b
, w
[6])->def
;
2398 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2402 case SpvOpImageWrite
:
2403 image
.image
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2404 image
.coord
= get_image_coord(b
, w
[2]);
2408 if (count
> 4 && (w
[4] & SpvImageOperandsSampleMask
)) {
2409 vtn_assert(w
[4] == SpvImageOperandsSampleMask
);
2410 image
.sample
= vtn_ssa_value(b
, w
[5])->def
;
2412 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2417 vtn_fail("Invalid image opcode");
2420 nir_intrinsic_op op
;
2422 #define OP(S, N) case SpvOp##S: op = nir_intrinsic_image_deref_##N; break;
2423 OP(ImageQuerySize
, size
)
2425 OP(ImageWrite
, store
)
2426 OP(AtomicLoad
, load
)
2427 OP(AtomicStore
, store
)
2428 OP(AtomicExchange
, atomic_exchange
)
2429 OP(AtomicCompareExchange
, atomic_comp_swap
)
2430 OP(AtomicIIncrement
, atomic_add
)
2431 OP(AtomicIDecrement
, atomic_add
)
2432 OP(AtomicIAdd
, atomic_add
)
2433 OP(AtomicISub
, atomic_add
)
2434 OP(AtomicSMin
, atomic_min
)
2435 OP(AtomicUMin
, atomic_min
)
2436 OP(AtomicSMax
, atomic_max
)
2437 OP(AtomicUMax
, atomic_max
)
2438 OP(AtomicAnd
, atomic_and
)
2439 OP(AtomicOr
, atomic_or
)
2440 OP(AtomicXor
, atomic_xor
)
2443 vtn_fail("Invalid image opcode");
2446 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
2448 nir_deref_instr
*image_deref
= vtn_pointer_to_deref(b
, image
.image
);
2449 intrin
->src
[0] = nir_src_for_ssa(&image_deref
->dest
.ssa
);
2451 /* ImageQuerySize doesn't take any extra parameters */
2452 if (opcode
!= SpvOpImageQuerySize
) {
2453 /* The image coordinate is always 4 components but we may not have that
2454 * many. Swizzle to compensate.
2456 intrin
->src
[1] = nir_src_for_ssa(expand_to_vec4(&b
->nb
, image
.coord
));
2457 intrin
->src
[2] = nir_src_for_ssa(image
.sample
);
2461 case SpvOpAtomicLoad
:
2462 case SpvOpImageQuerySize
:
2463 case SpvOpImageRead
:
2465 case SpvOpAtomicStore
:
2466 case SpvOpImageWrite
: {
2467 const uint32_t value_id
= opcode
== SpvOpAtomicStore
? w
[4] : w
[3];
2468 nir_ssa_def
*value
= vtn_ssa_value(b
, value_id
)->def
;
2469 /* nir_intrinsic_image_deref_store always takes a vec4 value */
2470 intrin
->src
[3] = nir_src_for_ssa(expand_to_vec4(&b
->nb
, value
));
2474 case SpvOpAtomicCompareExchange
:
2475 case SpvOpAtomicIIncrement
:
2476 case SpvOpAtomicIDecrement
:
2477 case SpvOpAtomicExchange
:
2478 case SpvOpAtomicIAdd
:
2479 case SpvOpAtomicISub
:
2480 case SpvOpAtomicSMin
:
2481 case SpvOpAtomicUMin
:
2482 case SpvOpAtomicSMax
:
2483 case SpvOpAtomicUMax
:
2484 case SpvOpAtomicAnd
:
2486 case SpvOpAtomicXor
:
2487 fill_common_atomic_sources(b
, opcode
, w
, &intrin
->src
[3]);
2491 vtn_fail("Invalid image opcode");
2494 if (opcode
!= SpvOpImageWrite
&& opcode
!= SpvOpAtomicStore
) {
2495 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2496 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2498 unsigned dest_components
= glsl_get_vector_elements(type
->type
);
2499 intrin
->num_components
= nir_intrinsic_infos
[op
].dest_components
;
2500 if (intrin
->num_components
== 0)
2501 intrin
->num_components
= dest_components
;
2503 nir_ssa_dest_init(&intrin
->instr
, &intrin
->dest
,
2504 intrin
->num_components
, 32, NULL
);
2506 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2508 nir_ssa_def
*result
= &intrin
->dest
.ssa
;
2509 if (intrin
->num_components
!= dest_components
)
2510 result
= nir_channels(&b
->nb
, result
, (1 << dest_components
) - 1);
2512 val
->ssa
= vtn_create_ssa_value(b
, type
->type
);
2513 val
->ssa
->def
= result
;
2515 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2519 static nir_intrinsic_op
2520 get_ssbo_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2523 case SpvOpAtomicLoad
: return nir_intrinsic_load_ssbo
;
2524 case SpvOpAtomicStore
: return nir_intrinsic_store_ssbo
;
2525 #define OP(S, N) case SpvOp##S: return nir_intrinsic_ssbo_##N;
2526 OP(AtomicExchange
, atomic_exchange
)
2527 OP(AtomicCompareExchange
, atomic_comp_swap
)
2528 OP(AtomicIIncrement
, atomic_add
)
2529 OP(AtomicIDecrement
, atomic_add
)
2530 OP(AtomicIAdd
, atomic_add
)
2531 OP(AtomicISub
, atomic_add
)
2532 OP(AtomicSMin
, atomic_imin
)
2533 OP(AtomicUMin
, atomic_umin
)
2534 OP(AtomicSMax
, atomic_imax
)
2535 OP(AtomicUMax
, atomic_umax
)
2536 OP(AtomicAnd
, atomic_and
)
2537 OP(AtomicOr
, atomic_or
)
2538 OP(AtomicXor
, atomic_xor
)
2541 vtn_fail("Invalid SSBO atomic");
2545 static nir_intrinsic_op
2546 get_uniform_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2549 #define OP(S, N) case SpvOp##S: return nir_intrinsic_atomic_counter_ ##N;
2550 OP(AtomicLoad
, read_deref
)
2551 OP(AtomicExchange
, exchange
)
2552 OP(AtomicCompareExchange
, comp_swap
)
2553 OP(AtomicIIncrement
, inc_deref
)
2554 OP(AtomicIDecrement
, post_dec_deref
)
2555 OP(AtomicIAdd
, add_deref
)
2556 OP(AtomicISub
, add_deref
)
2557 OP(AtomicUMin
, min_deref
)
2558 OP(AtomicUMax
, max_deref
)
2559 OP(AtomicAnd
, and_deref
)
2560 OP(AtomicOr
, or_deref
)
2561 OP(AtomicXor
, xor_deref
)
2564 /* We left the following out: AtomicStore, AtomicSMin and
2565 * AtomicSmax. Right now there are not nir intrinsics for them. At this
2566 * moment Atomic Counter support is needed for ARB_spirv support, so is
2567 * only need to support GLSL Atomic Counters that are uints and don't
2568 * allow direct storage.
2570 unreachable("Invalid uniform atomic");
2574 static nir_intrinsic_op
2575 get_shared_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2578 case SpvOpAtomicLoad
: return nir_intrinsic_load_shared
;
2579 case SpvOpAtomicStore
: return nir_intrinsic_store_shared
;
2580 #define OP(S, N) case SpvOp##S: return nir_intrinsic_shared_##N;
2581 OP(AtomicExchange
, atomic_exchange
)
2582 OP(AtomicCompareExchange
, atomic_comp_swap
)
2583 OP(AtomicIIncrement
, atomic_add
)
2584 OP(AtomicIDecrement
, atomic_add
)
2585 OP(AtomicIAdd
, atomic_add
)
2586 OP(AtomicISub
, atomic_add
)
2587 OP(AtomicSMin
, atomic_imin
)
2588 OP(AtomicUMin
, atomic_umin
)
2589 OP(AtomicSMax
, atomic_imax
)
2590 OP(AtomicUMax
, atomic_umax
)
2591 OP(AtomicAnd
, atomic_and
)
2592 OP(AtomicOr
, atomic_or
)
2593 OP(AtomicXor
, atomic_xor
)
2596 vtn_fail("Invalid shared atomic");
2600 static nir_intrinsic_op
2601 get_deref_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2604 case SpvOpAtomicLoad
: return nir_intrinsic_load_deref
;
2605 case SpvOpAtomicStore
: return nir_intrinsic_store_deref
;
2606 #define OP(S, N) case SpvOp##S: return nir_intrinsic_deref_##N;
2607 OP(AtomicExchange
, atomic_exchange
)
2608 OP(AtomicCompareExchange
, atomic_comp_swap
)
2609 OP(AtomicIIncrement
, atomic_add
)
2610 OP(AtomicIDecrement
, atomic_add
)
2611 OP(AtomicIAdd
, atomic_add
)
2612 OP(AtomicISub
, atomic_add
)
2613 OP(AtomicSMin
, atomic_imin
)
2614 OP(AtomicUMin
, atomic_umin
)
2615 OP(AtomicSMax
, atomic_imax
)
2616 OP(AtomicUMax
, atomic_umax
)
2617 OP(AtomicAnd
, atomic_and
)
2618 OP(AtomicOr
, atomic_or
)
2619 OP(AtomicXor
, atomic_xor
)
2622 vtn_fail("Invalid shared atomic");
2627 * Handles shared atomics, ssbo atomics and atomic counters.
2630 vtn_handle_atomics(struct vtn_builder
*b
, SpvOp opcode
,
2631 const uint32_t *w
, unsigned count
)
2633 struct vtn_pointer
*ptr
;
2634 nir_intrinsic_instr
*atomic
;
2637 case SpvOpAtomicLoad
:
2638 case SpvOpAtomicExchange
:
2639 case SpvOpAtomicCompareExchange
:
2640 case SpvOpAtomicCompareExchangeWeak
:
2641 case SpvOpAtomicIIncrement
:
2642 case SpvOpAtomicIDecrement
:
2643 case SpvOpAtomicIAdd
:
2644 case SpvOpAtomicISub
:
2645 case SpvOpAtomicSMin
:
2646 case SpvOpAtomicUMin
:
2647 case SpvOpAtomicSMax
:
2648 case SpvOpAtomicUMax
:
2649 case SpvOpAtomicAnd
:
2651 case SpvOpAtomicXor
:
2652 ptr
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2655 case SpvOpAtomicStore
:
2656 ptr
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2660 vtn_fail("Invalid SPIR-V atomic");
2664 SpvScope scope = w[4];
2665 SpvMemorySemanticsMask semantics = w[5];
2668 /* uniform as "atomic counter uniform" */
2669 if (ptr
->mode
== vtn_variable_mode_uniform
) {
2670 nir_deref_instr
*deref
= vtn_pointer_to_deref(b
, ptr
);
2671 const struct glsl_type
*deref_type
= deref
->type
;
2672 nir_intrinsic_op op
= get_uniform_nir_atomic_op(b
, opcode
);
2673 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2674 atomic
->src
[0] = nir_src_for_ssa(&deref
->dest
.ssa
);
2676 /* SSBO needs to initialize index/offset. In this case we don't need to,
2677 * as that info is already stored on the ptr->var->var nir_variable (see
2678 * vtn_create_variable)
2682 case SpvOpAtomicLoad
:
2683 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2686 case SpvOpAtomicStore
:
2687 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2688 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2691 case SpvOpAtomicExchange
:
2692 case SpvOpAtomicCompareExchange
:
2693 case SpvOpAtomicCompareExchangeWeak
:
2694 case SpvOpAtomicIIncrement
:
2695 case SpvOpAtomicIDecrement
:
2696 case SpvOpAtomicIAdd
:
2697 case SpvOpAtomicISub
:
2698 case SpvOpAtomicSMin
:
2699 case SpvOpAtomicUMin
:
2700 case SpvOpAtomicSMax
:
2701 case SpvOpAtomicUMax
:
2702 case SpvOpAtomicAnd
:
2704 case SpvOpAtomicXor
:
2705 /* Nothing: we don't need to call fill_common_atomic_sources here, as
2706 * atomic counter uniforms doesn't have sources
2711 unreachable("Invalid SPIR-V atomic");
2714 } else if (ptr
->mode
== vtn_variable_mode_workgroup
&&
2715 !b
->options
->lower_workgroup_access_to_offsets
) {
2716 nir_deref_instr
*deref
= vtn_pointer_to_deref(b
, ptr
);
2717 const struct glsl_type
*deref_type
= deref
->type
;
2718 nir_intrinsic_op op
= get_deref_nir_atomic_op(b
, opcode
);
2719 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2720 atomic
->src
[0] = nir_src_for_ssa(&deref
->dest
.ssa
);
2723 case SpvOpAtomicLoad
:
2724 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2727 case SpvOpAtomicStore
:
2728 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2729 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2730 atomic
->src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2733 case SpvOpAtomicExchange
:
2734 case SpvOpAtomicCompareExchange
:
2735 case SpvOpAtomicCompareExchangeWeak
:
2736 case SpvOpAtomicIIncrement
:
2737 case SpvOpAtomicIDecrement
:
2738 case SpvOpAtomicIAdd
:
2739 case SpvOpAtomicISub
:
2740 case SpvOpAtomicSMin
:
2741 case SpvOpAtomicUMin
:
2742 case SpvOpAtomicSMax
:
2743 case SpvOpAtomicUMax
:
2744 case SpvOpAtomicAnd
:
2746 case SpvOpAtomicXor
:
2747 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[1]);
2751 vtn_fail("Invalid SPIR-V atomic");
2755 nir_ssa_def
*offset
, *index
;
2756 offset
= vtn_pointer_to_offset(b
, ptr
, &index
);
2758 nir_intrinsic_op op
;
2759 if (ptr
->mode
== vtn_variable_mode_ssbo
) {
2760 op
= get_ssbo_nir_atomic_op(b
, opcode
);
2762 vtn_assert(ptr
->mode
== vtn_variable_mode_workgroup
&&
2763 b
->options
->lower_workgroup_access_to_offsets
);
2764 op
= get_shared_nir_atomic_op(b
, opcode
);
2767 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2771 case SpvOpAtomicLoad
:
2772 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2773 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2774 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2775 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2778 case SpvOpAtomicStore
:
2779 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2780 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2781 atomic
->src
[src
++] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2782 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2783 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2784 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2787 case SpvOpAtomicExchange
:
2788 case SpvOpAtomicCompareExchange
:
2789 case SpvOpAtomicCompareExchangeWeak
:
2790 case SpvOpAtomicIIncrement
:
2791 case SpvOpAtomicIDecrement
:
2792 case SpvOpAtomicIAdd
:
2793 case SpvOpAtomicISub
:
2794 case SpvOpAtomicSMin
:
2795 case SpvOpAtomicUMin
:
2796 case SpvOpAtomicSMax
:
2797 case SpvOpAtomicUMax
:
2798 case SpvOpAtomicAnd
:
2800 case SpvOpAtomicXor
:
2801 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2802 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2803 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2804 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[src
]);
2808 vtn_fail("Invalid SPIR-V atomic");
2812 if (opcode
!= SpvOpAtomicStore
) {
2813 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2815 nir_ssa_dest_init(&atomic
->instr
, &atomic
->dest
,
2816 glsl_get_vector_elements(type
->type
),
2817 glsl_get_bit_size(type
->type
), NULL
);
2819 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2820 val
->ssa
= rzalloc(b
, struct vtn_ssa_value
);
2821 val
->ssa
->def
= &atomic
->dest
.ssa
;
2822 val
->ssa
->type
= type
->type
;
2825 nir_builder_instr_insert(&b
->nb
, &atomic
->instr
);
2828 static nir_alu_instr
*
2829 create_vec(struct vtn_builder
*b
, unsigned num_components
, unsigned bit_size
)
2832 switch (num_components
) {
2833 case 1: op
= nir_op_imov
; break;
2834 case 2: op
= nir_op_vec2
; break;
2835 case 3: op
= nir_op_vec3
; break;
2836 case 4: op
= nir_op_vec4
; break;
2837 default: vtn_fail("bad vector size");
2840 nir_alu_instr
*vec
= nir_alu_instr_create(b
->shader
, op
);
2841 nir_ssa_dest_init(&vec
->instr
, &vec
->dest
.dest
, num_components
,
2843 vec
->dest
.write_mask
= (1 << num_components
) - 1;
2848 struct vtn_ssa_value
*
2849 vtn_ssa_transpose(struct vtn_builder
*b
, struct vtn_ssa_value
*src
)
2851 if (src
->transposed
)
2852 return src
->transposed
;
2854 struct vtn_ssa_value
*dest
=
2855 vtn_create_ssa_value(b
, glsl_transposed_type(src
->type
));
2857 for (unsigned i
= 0; i
< glsl_get_matrix_columns(dest
->type
); i
++) {
2858 nir_alu_instr
*vec
= create_vec(b
, glsl_get_matrix_columns(src
->type
),
2859 glsl_get_bit_size(src
->type
));
2860 if (glsl_type_is_vector_or_scalar(src
->type
)) {
2861 vec
->src
[0].src
= nir_src_for_ssa(src
->def
);
2862 vec
->src
[0].swizzle
[0] = i
;
2864 for (unsigned j
= 0; j
< glsl_get_matrix_columns(src
->type
); j
++) {
2865 vec
->src
[j
].src
= nir_src_for_ssa(src
->elems
[j
]->def
);
2866 vec
->src
[j
].swizzle
[0] = i
;
2869 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2870 dest
->elems
[i
]->def
= &vec
->dest
.dest
.ssa
;
2873 dest
->transposed
= src
;
2879 vtn_vector_extract(struct vtn_builder
*b
, nir_ssa_def
*src
, unsigned index
)
2881 return nir_channel(&b
->nb
, src
, index
);
2885 vtn_vector_insert(struct vtn_builder
*b
, nir_ssa_def
*src
, nir_ssa_def
*insert
,
2888 nir_alu_instr
*vec
= create_vec(b
, src
->num_components
,
2891 for (unsigned i
= 0; i
< src
->num_components
; i
++) {
2893 vec
->src
[i
].src
= nir_src_for_ssa(insert
);
2895 vec
->src
[i
].src
= nir_src_for_ssa(src
);
2896 vec
->src
[i
].swizzle
[0] = i
;
2900 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2902 return &vec
->dest
.dest
.ssa
;
2906 vtn_vector_extract_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
2909 nir_ssa_def
*dest
= vtn_vector_extract(b
, src
, 0);
2910 for (unsigned i
= 1; i
< src
->num_components
; i
++)
2911 dest
= nir_bcsel(&b
->nb
, nir_ieq(&b
->nb
, index
, nir_imm_int(&b
->nb
, i
)),
2912 vtn_vector_extract(b
, src
, i
), dest
);
2918 vtn_vector_insert_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
2919 nir_ssa_def
*insert
, nir_ssa_def
*index
)
2921 nir_ssa_def
*dest
= vtn_vector_insert(b
, src
, insert
, 0);
2922 for (unsigned i
= 1; i
< src
->num_components
; i
++)
2923 dest
= nir_bcsel(&b
->nb
, nir_ieq(&b
->nb
, index
, nir_imm_int(&b
->nb
, i
)),
2924 vtn_vector_insert(b
, src
, insert
, i
), dest
);
2929 static nir_ssa_def
*
2930 vtn_vector_shuffle(struct vtn_builder
*b
, unsigned num_components
,
2931 nir_ssa_def
*src0
, nir_ssa_def
*src1
,
2932 const uint32_t *indices
)
2934 nir_alu_instr
*vec
= create_vec(b
, num_components
, src0
->bit_size
);
2936 for (unsigned i
= 0; i
< num_components
; i
++) {
2937 uint32_t index
= indices
[i
];
2938 if (index
== 0xffffffff) {
2940 nir_src_for_ssa(nir_ssa_undef(&b
->nb
, 1, src0
->bit_size
));
2941 } else if (index
< src0
->num_components
) {
2942 vec
->src
[i
].src
= nir_src_for_ssa(src0
);
2943 vec
->src
[i
].swizzle
[0] = index
;
2945 vec
->src
[i
].src
= nir_src_for_ssa(src1
);
2946 vec
->src
[i
].swizzle
[0] = index
- src0
->num_components
;
2950 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2952 return &vec
->dest
.dest
.ssa
;
2956 * Concatentates a number of vectors/scalars together to produce a vector
2958 static nir_ssa_def
*
2959 vtn_vector_construct(struct vtn_builder
*b
, unsigned num_components
,
2960 unsigned num_srcs
, nir_ssa_def
**srcs
)
2962 nir_alu_instr
*vec
= create_vec(b
, num_components
, srcs
[0]->bit_size
);
2964 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
2966 * "When constructing a vector, there must be at least two Constituent
2969 vtn_assert(num_srcs
>= 2);
2971 unsigned dest_idx
= 0;
2972 for (unsigned i
= 0; i
< num_srcs
; i
++) {
2973 nir_ssa_def
*src
= srcs
[i
];
2974 vtn_assert(dest_idx
+ src
->num_components
<= num_components
);
2975 for (unsigned j
= 0; j
< src
->num_components
; j
++) {
2976 vec
->src
[dest_idx
].src
= nir_src_for_ssa(src
);
2977 vec
->src
[dest_idx
].swizzle
[0] = j
;
2982 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
2984 * "When constructing a vector, the total number of components in all
2985 * the operands must equal the number of components in Result Type."
2987 vtn_assert(dest_idx
== num_components
);
2989 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2991 return &vec
->dest
.dest
.ssa
;
2994 static struct vtn_ssa_value
*
2995 vtn_composite_copy(void *mem_ctx
, struct vtn_ssa_value
*src
)
2997 struct vtn_ssa_value
*dest
= rzalloc(mem_ctx
, struct vtn_ssa_value
);
2998 dest
->type
= src
->type
;
3000 if (glsl_type_is_vector_or_scalar(src
->type
)) {
3001 dest
->def
= src
->def
;
3003 unsigned elems
= glsl_get_length(src
->type
);
3005 dest
->elems
= ralloc_array(mem_ctx
, struct vtn_ssa_value
*, elems
);
3006 for (unsigned i
= 0; i
< elems
; i
++)
3007 dest
->elems
[i
] = vtn_composite_copy(mem_ctx
, src
->elems
[i
]);
3013 static struct vtn_ssa_value
*
3014 vtn_composite_insert(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
3015 struct vtn_ssa_value
*insert
, const uint32_t *indices
,
3016 unsigned num_indices
)
3018 struct vtn_ssa_value
*dest
= vtn_composite_copy(b
, src
);
3020 struct vtn_ssa_value
*cur
= dest
;
3022 for (i
= 0; i
< num_indices
- 1; i
++) {
3023 cur
= cur
->elems
[indices
[i
]];
3026 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
3027 /* According to the SPIR-V spec, OpCompositeInsert may work down to
3028 * the component granularity. In that case, the last index will be
3029 * the index to insert the scalar into the vector.
3032 cur
->def
= vtn_vector_insert(b
, cur
->def
, insert
->def
, indices
[i
]);
3034 cur
->elems
[indices
[i
]] = insert
;
3040 static struct vtn_ssa_value
*
3041 vtn_composite_extract(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
3042 const uint32_t *indices
, unsigned num_indices
)
3044 struct vtn_ssa_value
*cur
= src
;
3045 for (unsigned i
= 0; i
< num_indices
; i
++) {
3046 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
3047 vtn_assert(i
== num_indices
- 1);
3048 /* According to the SPIR-V spec, OpCompositeExtract may work down to
3049 * the component granularity. The last index will be the index of the
3050 * vector to extract.
3053 struct vtn_ssa_value
*ret
= rzalloc(b
, struct vtn_ssa_value
);
3054 ret
->type
= glsl_scalar_type(glsl_get_base_type(cur
->type
));
3055 ret
->def
= vtn_vector_extract(b
, cur
->def
, indices
[i
]);
3058 cur
= cur
->elems
[indices
[i
]];
3066 vtn_handle_composite(struct vtn_builder
*b
, SpvOp opcode
,
3067 const uint32_t *w
, unsigned count
)
3069 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
3070 const struct glsl_type
*type
=
3071 vtn_value(b
, w
[1], vtn_value_type_type
)->type
->type
;
3072 val
->ssa
= vtn_create_ssa_value(b
, type
);
3075 case SpvOpVectorExtractDynamic
:
3076 val
->ssa
->def
= vtn_vector_extract_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
3077 vtn_ssa_value(b
, w
[4])->def
);
3080 case SpvOpVectorInsertDynamic
:
3081 val
->ssa
->def
= vtn_vector_insert_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
3082 vtn_ssa_value(b
, w
[4])->def
,
3083 vtn_ssa_value(b
, w
[5])->def
);
3086 case SpvOpVectorShuffle
:
3087 val
->ssa
->def
= vtn_vector_shuffle(b
, glsl_get_vector_elements(type
),
3088 vtn_ssa_value(b
, w
[3])->def
,
3089 vtn_ssa_value(b
, w
[4])->def
,
3093 case SpvOpCompositeConstruct
: {
3094 unsigned elems
= count
- 3;
3096 if (glsl_type_is_vector_or_scalar(type
)) {
3097 nir_ssa_def
*srcs
[NIR_MAX_VEC_COMPONENTS
];
3098 for (unsigned i
= 0; i
< elems
; i
++)
3099 srcs
[i
] = vtn_ssa_value(b
, w
[3 + i
])->def
;
3101 vtn_vector_construct(b
, glsl_get_vector_elements(type
),
3104 val
->ssa
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
3105 for (unsigned i
= 0; i
< elems
; i
++)
3106 val
->ssa
->elems
[i
] = vtn_ssa_value(b
, w
[3 + i
]);
3110 case SpvOpCompositeExtract
:
3111 val
->ssa
= vtn_composite_extract(b
, vtn_ssa_value(b
, w
[3]),
3115 case SpvOpCompositeInsert
:
3116 val
->ssa
= vtn_composite_insert(b
, vtn_ssa_value(b
, w
[4]),
3117 vtn_ssa_value(b
, w
[3]),
3121 case SpvOpCopyObject
:
3122 val
->ssa
= vtn_composite_copy(b
, vtn_ssa_value(b
, w
[3]));
3126 vtn_fail("unknown composite operation");
3131 vtn_emit_barrier(struct vtn_builder
*b
, nir_intrinsic_op op
)
3133 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
3134 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3138 vtn_emit_memory_barrier(struct vtn_builder
*b
, SpvScope scope
,
3139 SpvMemorySemanticsMask semantics
)
3141 static const SpvMemorySemanticsMask all_memory_semantics
=
3142 SpvMemorySemanticsUniformMemoryMask
|
3143 SpvMemorySemanticsWorkgroupMemoryMask
|
3144 SpvMemorySemanticsAtomicCounterMemoryMask
|
3145 SpvMemorySemanticsImageMemoryMask
;
3147 /* If we're not actually doing a memory barrier, bail */
3148 if (!(semantics
& all_memory_semantics
))
3151 /* GL and Vulkan don't have these */
3152 vtn_assert(scope
!= SpvScopeCrossDevice
);
3154 if (scope
== SpvScopeSubgroup
)
3155 return; /* Nothing to do here */
3157 if (scope
== SpvScopeWorkgroup
) {
3158 vtn_emit_barrier(b
, nir_intrinsic_group_memory_barrier
);
3162 /* There's only two scopes thing left */
3163 vtn_assert(scope
== SpvScopeInvocation
|| scope
== SpvScopeDevice
);
3165 if ((semantics
& all_memory_semantics
) == all_memory_semantics
) {
3166 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier
);
3170 /* Issue a bunch of more specific barriers */
3171 uint32_t bits
= semantics
;
3173 SpvMemorySemanticsMask semantic
= 1 << u_bit_scan(&bits
);
3175 case SpvMemorySemanticsUniformMemoryMask
:
3176 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_buffer
);
3178 case SpvMemorySemanticsWorkgroupMemoryMask
:
3179 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_shared
);
3181 case SpvMemorySemanticsAtomicCounterMemoryMask
:
3182 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_atomic_counter
);
3184 case SpvMemorySemanticsImageMemoryMask
:
3185 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_image
);
3194 vtn_handle_barrier(struct vtn_builder
*b
, SpvOp opcode
,
3195 const uint32_t *w
, unsigned count
)
3198 case SpvOpEmitVertex
:
3199 case SpvOpEmitStreamVertex
:
3200 case SpvOpEndPrimitive
:
3201 case SpvOpEndStreamPrimitive
: {
3202 nir_intrinsic_op intrinsic_op
;
3204 case SpvOpEmitVertex
:
3205 case SpvOpEmitStreamVertex
:
3206 intrinsic_op
= nir_intrinsic_emit_vertex
;
3208 case SpvOpEndPrimitive
:
3209 case SpvOpEndStreamPrimitive
:
3210 intrinsic_op
= nir_intrinsic_end_primitive
;
3213 unreachable("Invalid opcode");
3216 nir_intrinsic_instr
*intrin
=
3217 nir_intrinsic_instr_create(b
->shader
, intrinsic_op
);
3220 case SpvOpEmitStreamVertex
:
3221 case SpvOpEndStreamPrimitive
:
3222 nir_intrinsic_set_stream_id(intrin
, w
[1]);
3228 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3232 case SpvOpMemoryBarrier
: {
3233 SpvScope scope
= vtn_constant_value(b
, w
[1])->values
[0].u32
[0];
3234 SpvMemorySemanticsMask semantics
=
3235 vtn_constant_value(b
, w
[2])->values
[0].u32
[0];
3236 vtn_emit_memory_barrier(b
, scope
, semantics
);
3240 case SpvOpControlBarrier
: {
3241 SpvScope execution_scope
=
3242 vtn_constant_value(b
, w
[1])->values
[0].u32
[0];
3243 if (execution_scope
== SpvScopeWorkgroup
)
3244 vtn_emit_barrier(b
, nir_intrinsic_barrier
);
3246 SpvScope memory_scope
=
3247 vtn_constant_value(b
, w
[2])->values
[0].u32
[0];
3248 SpvMemorySemanticsMask memory_semantics
=
3249 vtn_constant_value(b
, w
[3])->values
[0].u32
[0];
3250 vtn_emit_memory_barrier(b
, memory_scope
, memory_semantics
);
3255 unreachable("unknown barrier instruction");
3260 gl_primitive_from_spv_execution_mode(struct vtn_builder
*b
,
3261 SpvExecutionMode mode
)
3264 case SpvExecutionModeInputPoints
:
3265 case SpvExecutionModeOutputPoints
:
3266 return 0; /* GL_POINTS */
3267 case SpvExecutionModeInputLines
:
3268 return 1; /* GL_LINES */
3269 case SpvExecutionModeInputLinesAdjacency
:
3270 return 0x000A; /* GL_LINE_STRIP_ADJACENCY_ARB */
3271 case SpvExecutionModeTriangles
:
3272 return 4; /* GL_TRIANGLES */
3273 case SpvExecutionModeInputTrianglesAdjacency
:
3274 return 0x000C; /* GL_TRIANGLES_ADJACENCY_ARB */
3275 case SpvExecutionModeQuads
:
3276 return 7; /* GL_QUADS */
3277 case SpvExecutionModeIsolines
:
3278 return 0x8E7A; /* GL_ISOLINES */
3279 case SpvExecutionModeOutputLineStrip
:
3280 return 3; /* GL_LINE_STRIP */
3281 case SpvExecutionModeOutputTriangleStrip
:
3282 return 5; /* GL_TRIANGLE_STRIP */
3284 vtn_fail("Invalid primitive type");
3289 vertices_in_from_spv_execution_mode(struct vtn_builder
*b
,
3290 SpvExecutionMode mode
)
3293 case SpvExecutionModeInputPoints
:
3295 case SpvExecutionModeInputLines
:
3297 case SpvExecutionModeInputLinesAdjacency
:
3299 case SpvExecutionModeTriangles
:
3301 case SpvExecutionModeInputTrianglesAdjacency
:
3304 vtn_fail("Invalid GS input mode");
3308 static gl_shader_stage
3309 stage_for_execution_model(struct vtn_builder
*b
, SpvExecutionModel model
)
3312 case SpvExecutionModelVertex
:
3313 return MESA_SHADER_VERTEX
;
3314 case SpvExecutionModelTessellationControl
:
3315 return MESA_SHADER_TESS_CTRL
;
3316 case SpvExecutionModelTessellationEvaluation
:
3317 return MESA_SHADER_TESS_EVAL
;
3318 case SpvExecutionModelGeometry
:
3319 return MESA_SHADER_GEOMETRY
;
3320 case SpvExecutionModelFragment
:
3321 return MESA_SHADER_FRAGMENT
;
3322 case SpvExecutionModelGLCompute
:
3323 return MESA_SHADER_COMPUTE
;
3325 vtn_fail("Unsupported execution model");
3329 #define spv_check_supported(name, cap) do { \
3330 if (!(b->options && b->options->caps.name)) \
3331 vtn_warn("Unsupported SPIR-V capability: %s", \
3332 spirv_capability_to_string(cap)); \
3337 vtn_handle_entry_point(struct vtn_builder
*b
, const uint32_t *w
,
3340 struct vtn_value
*entry_point
= &b
->values
[w
[2]];
3341 /* Let this be a name label regardless */
3342 unsigned name_words
;
3343 entry_point
->name
= vtn_string_literal(b
, &w
[3], count
- 3, &name_words
);
3345 if (strcmp(entry_point
->name
, b
->entry_point_name
) != 0 ||
3346 stage_for_execution_model(b
, w
[1]) != b
->entry_point_stage
)
3349 vtn_assert(b
->entry_point
== NULL
);
3350 b
->entry_point
= entry_point
;
3354 vtn_handle_preamble_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3355 const uint32_t *w
, unsigned count
)
3362 case SpvSourceLanguageUnknown
: lang
= "unknown"; break;
3363 case SpvSourceLanguageESSL
: lang
= "ESSL"; break;
3364 case SpvSourceLanguageGLSL
: lang
= "GLSL"; break;
3365 case SpvSourceLanguageOpenCL_C
: lang
= "OpenCL C"; break;
3366 case SpvSourceLanguageOpenCL_CPP
: lang
= "OpenCL C++"; break;
3367 case SpvSourceLanguageHLSL
: lang
= "HLSL"; break;
3370 uint32_t version
= w
[2];
3373 (count
> 3) ? vtn_value(b
, w
[3], vtn_value_type_string
)->str
: "";
3375 vtn_info("Parsing SPIR-V from %s %u source file %s", lang
, version
, file
);
3379 case SpvOpSourceExtension
:
3380 case SpvOpSourceContinued
:
3381 case SpvOpExtension
:
3382 case SpvOpModuleProcessed
:
3383 /* Unhandled, but these are for debug so that's ok. */
3386 case SpvOpCapability
: {
3387 SpvCapability cap
= w
[1];
3389 case SpvCapabilityMatrix
:
3390 case SpvCapabilityShader
:
3391 case SpvCapabilityGeometry
:
3392 case SpvCapabilityGeometryPointSize
:
3393 case SpvCapabilityUniformBufferArrayDynamicIndexing
:
3394 case SpvCapabilitySampledImageArrayDynamicIndexing
:
3395 case SpvCapabilityStorageBufferArrayDynamicIndexing
:
3396 case SpvCapabilityStorageImageArrayDynamicIndexing
:
3397 case SpvCapabilityImageRect
:
3398 case SpvCapabilitySampledRect
:
3399 case SpvCapabilitySampled1D
:
3400 case SpvCapabilityImage1D
:
3401 case SpvCapabilitySampledCubeArray
:
3402 case SpvCapabilityImageCubeArray
:
3403 case SpvCapabilitySampledBuffer
:
3404 case SpvCapabilityImageBuffer
:
3405 case SpvCapabilityImageQuery
:
3406 case SpvCapabilityDerivativeControl
:
3407 case SpvCapabilityInterpolationFunction
:
3408 case SpvCapabilityMultiViewport
:
3409 case SpvCapabilitySampleRateShading
:
3410 case SpvCapabilityClipDistance
:
3411 case SpvCapabilityCullDistance
:
3412 case SpvCapabilityInputAttachment
:
3413 case SpvCapabilityImageGatherExtended
:
3414 case SpvCapabilityStorageImageExtendedFormats
:
3417 case SpvCapabilityGeometryStreams
:
3418 case SpvCapabilityLinkage
:
3419 case SpvCapabilityVector16
:
3420 case SpvCapabilityFloat16Buffer
:
3421 case SpvCapabilityFloat16
:
3422 case SpvCapabilityInt64Atomics
:
3423 case SpvCapabilityStorageImageMultisample
:
3424 case SpvCapabilityInt8
:
3425 case SpvCapabilitySparseResidency
:
3426 case SpvCapabilityMinLod
:
3427 case SpvCapabilityTransformFeedback
:
3428 vtn_warn("Unsupported SPIR-V capability: %s",
3429 spirv_capability_to_string(cap
));
3432 case SpvCapabilityAtomicStorage
:
3433 spv_check_supported(atomic_storage
, cap
);
3436 case SpvCapabilityFloat64
:
3437 spv_check_supported(float64
, cap
);
3439 case SpvCapabilityInt64
:
3440 spv_check_supported(int64
, cap
);
3442 case SpvCapabilityInt16
:
3443 spv_check_supported(int16
, cap
);
3446 case SpvCapabilityAddresses
:
3447 case SpvCapabilityKernel
:
3448 case SpvCapabilityImageBasic
:
3449 case SpvCapabilityImageReadWrite
:
3450 case SpvCapabilityImageMipmap
:
3451 case SpvCapabilityPipes
:
3452 case SpvCapabilityGroups
:
3453 case SpvCapabilityDeviceEnqueue
:
3454 case SpvCapabilityLiteralSampler
:
3455 case SpvCapabilityGenericPointer
:
3456 vtn_warn("Unsupported OpenCL-style SPIR-V capability: %s",
3457 spirv_capability_to_string(cap
));
3460 case SpvCapabilityImageMSArray
:
3461 spv_check_supported(image_ms_array
, cap
);
3464 case SpvCapabilityTessellation
:
3465 case SpvCapabilityTessellationPointSize
:
3466 spv_check_supported(tessellation
, cap
);
3469 case SpvCapabilityDrawParameters
:
3470 spv_check_supported(draw_parameters
, cap
);
3473 case SpvCapabilityStorageImageReadWithoutFormat
:
3474 spv_check_supported(image_read_without_format
, cap
);
3477 case SpvCapabilityStorageImageWriteWithoutFormat
:
3478 spv_check_supported(image_write_without_format
, cap
);
3481 case SpvCapabilityDeviceGroup
:
3482 spv_check_supported(device_group
, cap
);
3485 case SpvCapabilityMultiView
:
3486 spv_check_supported(multiview
, cap
);
3489 case SpvCapabilityGroupNonUniform
:
3490 spv_check_supported(subgroup_basic
, cap
);
3493 case SpvCapabilityGroupNonUniformVote
:
3494 spv_check_supported(subgroup_vote
, cap
);
3497 case SpvCapabilitySubgroupBallotKHR
:
3498 case SpvCapabilityGroupNonUniformBallot
:
3499 spv_check_supported(subgroup_ballot
, cap
);
3502 case SpvCapabilityGroupNonUniformShuffle
:
3503 case SpvCapabilityGroupNonUniformShuffleRelative
:
3504 spv_check_supported(subgroup_shuffle
, cap
);
3507 case SpvCapabilityGroupNonUniformQuad
:
3508 spv_check_supported(subgroup_quad
, cap
);
3511 case SpvCapabilityGroupNonUniformArithmetic
:
3512 case SpvCapabilityGroupNonUniformClustered
:
3513 spv_check_supported(subgroup_arithmetic
, cap
);
3516 case SpvCapabilityVariablePointersStorageBuffer
:
3517 case SpvCapabilityVariablePointers
:
3518 spv_check_supported(variable_pointers
, cap
);
3521 case SpvCapabilityStorageUniformBufferBlock16
:
3522 case SpvCapabilityStorageUniform16
:
3523 case SpvCapabilityStoragePushConstant16
:
3524 case SpvCapabilityStorageInputOutput16
:
3525 spv_check_supported(storage_16bit
, cap
);
3528 case SpvCapabilityShaderViewportIndexLayerEXT
:
3529 spv_check_supported(shader_viewport_index_layer
, cap
);
3532 case SpvCapabilityStorageBuffer8BitAccess
:
3533 case SpvCapabilityUniformAndStorageBuffer8BitAccess
:
3534 case SpvCapabilityStoragePushConstant8
:
3535 spv_check_supported(storage_8bit
, cap
);
3538 case SpvCapabilityInputAttachmentArrayDynamicIndexingEXT
:
3539 case SpvCapabilityUniformTexelBufferArrayDynamicIndexingEXT
:
3540 case SpvCapabilityStorageTexelBufferArrayDynamicIndexingEXT
:
3541 spv_check_supported(descriptor_array_dynamic_indexing
, cap
);
3544 case SpvCapabilityRuntimeDescriptorArrayEXT
:
3545 spv_check_supported(runtime_descriptor_array
, cap
);
3548 case SpvCapabilityStencilExportEXT
:
3549 spv_check_supported(stencil_export
, cap
);
3552 case SpvCapabilitySampleMaskPostDepthCoverage
:
3553 spv_check_supported(post_depth_coverage
, cap
);
3557 vtn_fail("Unhandled capability");
3562 case SpvOpExtInstImport
:
3563 vtn_handle_extension(b
, opcode
, w
, count
);
3566 case SpvOpMemoryModel
:
3567 vtn_assert(w
[1] == SpvAddressingModelLogical
);
3568 vtn_assert(w
[2] == SpvMemoryModelSimple
||
3569 w
[2] == SpvMemoryModelGLSL450
);
3572 case SpvOpEntryPoint
:
3573 vtn_handle_entry_point(b
, w
, count
);
3577 vtn_push_value(b
, w
[1], vtn_value_type_string
)->str
=
3578 vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3582 b
->values
[w
[1]].name
= vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3585 case SpvOpMemberName
:
3589 case SpvOpExecutionMode
:
3590 case SpvOpDecorationGroup
:
3592 case SpvOpMemberDecorate
:
3593 case SpvOpGroupDecorate
:
3594 case SpvOpGroupMemberDecorate
:
3595 vtn_handle_decoration(b
, opcode
, w
, count
);
3599 return false; /* End of preamble */
3606 vtn_handle_execution_mode(struct vtn_builder
*b
, struct vtn_value
*entry_point
,
3607 const struct vtn_decoration
*mode
, void *data
)
3609 vtn_assert(b
->entry_point
== entry_point
);
3611 switch(mode
->exec_mode
) {
3612 case SpvExecutionModeOriginUpperLeft
:
3613 case SpvExecutionModeOriginLowerLeft
:
3614 b
->origin_upper_left
=
3615 (mode
->exec_mode
== SpvExecutionModeOriginUpperLeft
);
3618 case SpvExecutionModeEarlyFragmentTests
:
3619 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3620 b
->shader
->info
.fs
.early_fragment_tests
= true;
3623 case SpvExecutionModePostDepthCoverage
:
3624 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3625 b
->shader
->info
.fs
.post_depth_coverage
= true;
3628 case SpvExecutionModeInvocations
:
3629 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3630 b
->shader
->info
.gs
.invocations
= MAX2(1, mode
->literals
[0]);
3633 case SpvExecutionModeDepthReplacing
:
3634 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3635 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_ANY
;
3637 case SpvExecutionModeDepthGreater
:
3638 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3639 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_GREATER
;
3641 case SpvExecutionModeDepthLess
:
3642 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3643 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_LESS
;
3645 case SpvExecutionModeDepthUnchanged
:
3646 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3647 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_UNCHANGED
;
3650 case SpvExecutionModeLocalSize
:
3651 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_COMPUTE
);
3652 b
->shader
->info
.cs
.local_size
[0] = mode
->literals
[0];
3653 b
->shader
->info
.cs
.local_size
[1] = mode
->literals
[1];
3654 b
->shader
->info
.cs
.local_size
[2] = mode
->literals
[2];
3656 case SpvExecutionModeLocalSizeHint
:
3657 break; /* Nothing to do with this */
3659 case SpvExecutionModeOutputVertices
:
3660 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3661 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3662 b
->shader
->info
.tess
.tcs_vertices_out
= mode
->literals
[0];
3664 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3665 b
->shader
->info
.gs
.vertices_out
= mode
->literals
[0];
3669 case SpvExecutionModeInputPoints
:
3670 case SpvExecutionModeInputLines
:
3671 case SpvExecutionModeInputLinesAdjacency
:
3672 case SpvExecutionModeTriangles
:
3673 case SpvExecutionModeInputTrianglesAdjacency
:
3674 case SpvExecutionModeQuads
:
3675 case SpvExecutionModeIsolines
:
3676 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3677 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3678 b
->shader
->info
.tess
.primitive_mode
=
3679 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3681 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3682 b
->shader
->info
.gs
.vertices_in
=
3683 vertices_in_from_spv_execution_mode(b
, mode
->exec_mode
);
3687 case SpvExecutionModeOutputPoints
:
3688 case SpvExecutionModeOutputLineStrip
:
3689 case SpvExecutionModeOutputTriangleStrip
:
3690 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3691 b
->shader
->info
.gs
.output_primitive
=
3692 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3695 case SpvExecutionModeSpacingEqual
:
3696 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3697 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3698 b
->shader
->info
.tess
.spacing
= TESS_SPACING_EQUAL
;
3700 case SpvExecutionModeSpacingFractionalEven
:
3701 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3702 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3703 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_EVEN
;
3705 case SpvExecutionModeSpacingFractionalOdd
:
3706 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3707 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3708 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_ODD
;
3710 case SpvExecutionModeVertexOrderCw
:
3711 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3712 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3713 b
->shader
->info
.tess
.ccw
= false;
3715 case SpvExecutionModeVertexOrderCcw
:
3716 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3717 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3718 b
->shader
->info
.tess
.ccw
= true;
3720 case SpvExecutionModePointMode
:
3721 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3722 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3723 b
->shader
->info
.tess
.point_mode
= true;
3726 case SpvExecutionModePixelCenterInteger
:
3727 b
->pixel_center_integer
= true;
3730 case SpvExecutionModeXfb
:
3731 b
->shader
->info
.has_transform_feedback_varyings
= true;
3734 case SpvExecutionModeVecTypeHint
:
3735 case SpvExecutionModeContractionOff
:
3738 case SpvExecutionModeStencilRefReplacingEXT
:
3739 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3743 vtn_fail("Unhandled execution mode");
3748 vtn_handle_variable_or_type_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3749 const uint32_t *w
, unsigned count
)
3751 vtn_set_instruction_result_type(b
, opcode
, w
, count
);
3755 case SpvOpSourceContinued
:
3756 case SpvOpSourceExtension
:
3757 case SpvOpExtension
:
3758 case SpvOpCapability
:
3759 case SpvOpExtInstImport
:
3760 case SpvOpMemoryModel
:
3761 case SpvOpEntryPoint
:
3762 case SpvOpExecutionMode
:
3765 case SpvOpMemberName
:
3766 case SpvOpDecorationGroup
:
3768 case SpvOpMemberDecorate
:
3769 case SpvOpGroupDecorate
:
3770 case SpvOpGroupMemberDecorate
:
3771 vtn_fail("Invalid opcode types and variables section");
3777 case SpvOpTypeFloat
:
3778 case SpvOpTypeVector
:
3779 case SpvOpTypeMatrix
:
3780 case SpvOpTypeImage
:
3781 case SpvOpTypeSampler
:
3782 case SpvOpTypeSampledImage
:
3783 case SpvOpTypeArray
:
3784 case SpvOpTypeRuntimeArray
:
3785 case SpvOpTypeStruct
:
3786 case SpvOpTypeOpaque
:
3787 case SpvOpTypePointer
:
3788 case SpvOpTypeFunction
:
3789 case SpvOpTypeEvent
:
3790 case SpvOpTypeDeviceEvent
:
3791 case SpvOpTypeReserveId
:
3792 case SpvOpTypeQueue
:
3794 vtn_handle_type(b
, opcode
, w
, count
);
3797 case SpvOpConstantTrue
:
3798 case SpvOpConstantFalse
:
3800 case SpvOpConstantComposite
:
3801 case SpvOpConstantSampler
:
3802 case SpvOpConstantNull
:
3803 case SpvOpSpecConstantTrue
:
3804 case SpvOpSpecConstantFalse
:
3805 case SpvOpSpecConstant
:
3806 case SpvOpSpecConstantComposite
:
3807 case SpvOpSpecConstantOp
:
3808 vtn_handle_constant(b
, opcode
, w
, count
);
3813 vtn_handle_variables(b
, opcode
, w
, count
);
3817 return false; /* End of preamble */
3824 vtn_handle_body_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3825 const uint32_t *w
, unsigned count
)
3831 case SpvOpLoopMerge
:
3832 case SpvOpSelectionMerge
:
3833 /* This is handled by cfg pre-pass and walk_blocks */
3837 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_undef
);
3838 val
->type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
3843 vtn_handle_extension(b
, opcode
, w
, count
);
3849 case SpvOpCopyMemory
:
3850 case SpvOpCopyMemorySized
:
3851 case SpvOpAccessChain
:
3852 case SpvOpPtrAccessChain
:
3853 case SpvOpInBoundsAccessChain
:
3854 case SpvOpArrayLength
:
3855 vtn_handle_variables(b
, opcode
, w
, count
);
3858 case SpvOpFunctionCall
:
3859 vtn_handle_function_call(b
, opcode
, w
, count
);
3862 case SpvOpSampledImage
:
3864 case SpvOpImageSampleImplicitLod
:
3865 case SpvOpImageSampleExplicitLod
:
3866 case SpvOpImageSampleDrefImplicitLod
:
3867 case SpvOpImageSampleDrefExplicitLod
:
3868 case SpvOpImageSampleProjImplicitLod
:
3869 case SpvOpImageSampleProjExplicitLod
:
3870 case SpvOpImageSampleProjDrefImplicitLod
:
3871 case SpvOpImageSampleProjDrefExplicitLod
:
3872 case SpvOpImageFetch
:
3873 case SpvOpImageGather
:
3874 case SpvOpImageDrefGather
:
3875 case SpvOpImageQuerySizeLod
:
3876 case SpvOpImageQueryLod
:
3877 case SpvOpImageQueryLevels
:
3878 case SpvOpImageQuerySamples
:
3879 vtn_handle_texture(b
, opcode
, w
, count
);
3882 case SpvOpImageRead
:
3883 case SpvOpImageWrite
:
3884 case SpvOpImageTexelPointer
:
3885 vtn_handle_image(b
, opcode
, w
, count
);
3888 case SpvOpImageQuerySize
: {
3889 struct vtn_pointer
*image
=
3890 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
3891 if (glsl_type_is_image(image
->type
->type
)) {
3892 vtn_handle_image(b
, opcode
, w
, count
);
3894 vtn_assert(glsl_type_is_sampler(image
->type
->type
));
3895 vtn_handle_texture(b
, opcode
, w
, count
);
3900 case SpvOpAtomicLoad
:
3901 case SpvOpAtomicExchange
:
3902 case SpvOpAtomicCompareExchange
:
3903 case SpvOpAtomicCompareExchangeWeak
:
3904 case SpvOpAtomicIIncrement
:
3905 case SpvOpAtomicIDecrement
:
3906 case SpvOpAtomicIAdd
:
3907 case SpvOpAtomicISub
:
3908 case SpvOpAtomicSMin
:
3909 case SpvOpAtomicUMin
:
3910 case SpvOpAtomicSMax
:
3911 case SpvOpAtomicUMax
:
3912 case SpvOpAtomicAnd
:
3914 case SpvOpAtomicXor
: {
3915 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[3]);
3916 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
3917 vtn_handle_image(b
, opcode
, w
, count
);
3919 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
3920 vtn_handle_atomics(b
, opcode
, w
, count
);
3925 case SpvOpAtomicStore
: {
3926 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[1]);
3927 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
3928 vtn_handle_image(b
, opcode
, w
, count
);
3930 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
3931 vtn_handle_atomics(b
, opcode
, w
, count
);
3937 /* Handle OpSelect up-front here because it needs to be able to handle
3938 * pointers and not just regular vectors and scalars.
3940 struct vtn_value
*res_val
= vtn_untyped_value(b
, w
[2]);
3941 struct vtn_value
*sel_val
= vtn_untyped_value(b
, w
[3]);
3942 struct vtn_value
*obj1_val
= vtn_untyped_value(b
, w
[4]);
3943 struct vtn_value
*obj2_val
= vtn_untyped_value(b
, w
[5]);
3945 const struct glsl_type
*sel_type
;
3946 switch (res_val
->type
->base_type
) {
3947 case vtn_base_type_scalar
:
3948 sel_type
= glsl_bool_type();
3950 case vtn_base_type_vector
:
3951 sel_type
= glsl_vector_type(GLSL_TYPE_BOOL
, res_val
->type
->length
);
3953 case vtn_base_type_pointer
:
3954 /* We need to have actual storage for pointer types */
3955 vtn_fail_if(res_val
->type
->type
== NULL
,
3956 "Invalid pointer result type for OpSelect");
3957 sel_type
= glsl_bool_type();
3960 vtn_fail("Result type of OpSelect must be a scalar, vector, or pointer");
3963 if (unlikely(sel_val
->type
->type
!= sel_type
)) {
3964 if (sel_val
->type
->type
== glsl_bool_type()) {
3965 /* This case is illegal but some older versions of GLSLang produce
3966 * it. The GLSLang issue was fixed on March 30, 2017:
3968 * https://github.com/KhronosGroup/glslang/issues/809
3970 * Unfortunately, there are applications in the wild which are
3971 * shipping with this bug so it isn't nice to fail on them so we
3972 * throw a warning instead. It's not actually a problem for us as
3973 * nir_builder will just splat the condition out which is most
3974 * likely what the client wanted anyway.
3976 vtn_warn("Condition type of OpSelect must have the same number "
3977 "of components as Result Type");
3979 vtn_fail("Condition type of OpSelect must be a scalar or vector "
3980 "of Boolean type. It must have the same number of "
3981 "components as Result Type");
3985 vtn_fail_if(obj1_val
->type
!= res_val
->type
||
3986 obj2_val
->type
!= res_val
->type
,
3987 "Object types must match the result type in OpSelect");
3989 struct vtn_type
*res_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
3990 struct vtn_ssa_value
*ssa
= vtn_create_ssa_value(b
, res_type
->type
);
3991 ssa
->def
= nir_bcsel(&b
->nb
, vtn_ssa_value(b
, w
[3])->def
,
3992 vtn_ssa_value(b
, w
[4])->def
,
3993 vtn_ssa_value(b
, w
[5])->def
);
3994 vtn_push_ssa(b
, w
[2], res_type
, ssa
);
4003 case SpvOpConvertFToU
:
4004 case SpvOpConvertFToS
:
4005 case SpvOpConvertSToF
:
4006 case SpvOpConvertUToF
:
4010 case SpvOpQuantizeToF16
:
4011 case SpvOpConvertPtrToU
:
4012 case SpvOpConvertUToPtr
:
4013 case SpvOpPtrCastToGeneric
:
4014 case SpvOpGenericCastToPtr
:
4020 case SpvOpSignBitSet
:
4021 case SpvOpLessOrGreater
:
4023 case SpvOpUnordered
:
4038 case SpvOpVectorTimesScalar
:
4040 case SpvOpIAddCarry
:
4041 case SpvOpISubBorrow
:
4042 case SpvOpUMulExtended
:
4043 case SpvOpSMulExtended
:
4044 case SpvOpShiftRightLogical
:
4045 case SpvOpShiftRightArithmetic
:
4046 case SpvOpShiftLeftLogical
:
4047 case SpvOpLogicalEqual
:
4048 case SpvOpLogicalNotEqual
:
4049 case SpvOpLogicalOr
:
4050 case SpvOpLogicalAnd
:
4051 case SpvOpLogicalNot
:
4052 case SpvOpBitwiseOr
:
4053 case SpvOpBitwiseXor
:
4054 case SpvOpBitwiseAnd
:
4056 case SpvOpFOrdEqual
:
4057 case SpvOpFUnordEqual
:
4058 case SpvOpINotEqual
:
4059 case SpvOpFOrdNotEqual
:
4060 case SpvOpFUnordNotEqual
:
4061 case SpvOpULessThan
:
4062 case SpvOpSLessThan
:
4063 case SpvOpFOrdLessThan
:
4064 case SpvOpFUnordLessThan
:
4065 case SpvOpUGreaterThan
:
4066 case SpvOpSGreaterThan
:
4067 case SpvOpFOrdGreaterThan
:
4068 case SpvOpFUnordGreaterThan
:
4069 case SpvOpULessThanEqual
:
4070 case SpvOpSLessThanEqual
:
4071 case SpvOpFOrdLessThanEqual
:
4072 case SpvOpFUnordLessThanEqual
:
4073 case SpvOpUGreaterThanEqual
:
4074 case SpvOpSGreaterThanEqual
:
4075 case SpvOpFOrdGreaterThanEqual
:
4076 case SpvOpFUnordGreaterThanEqual
:
4082 case SpvOpFwidthFine
:
4083 case SpvOpDPdxCoarse
:
4084 case SpvOpDPdyCoarse
:
4085 case SpvOpFwidthCoarse
:
4086 case SpvOpBitFieldInsert
:
4087 case SpvOpBitFieldSExtract
:
4088 case SpvOpBitFieldUExtract
:
4089 case SpvOpBitReverse
:
4091 case SpvOpTranspose
:
4092 case SpvOpOuterProduct
:
4093 case SpvOpMatrixTimesScalar
:
4094 case SpvOpVectorTimesMatrix
:
4095 case SpvOpMatrixTimesVector
:
4096 case SpvOpMatrixTimesMatrix
:
4097 vtn_handle_alu(b
, opcode
, w
, count
);
4100 case SpvOpVectorExtractDynamic
:
4101 case SpvOpVectorInsertDynamic
:
4102 case SpvOpVectorShuffle
:
4103 case SpvOpCompositeConstruct
:
4104 case SpvOpCompositeExtract
:
4105 case SpvOpCompositeInsert
:
4106 case SpvOpCopyObject
:
4107 vtn_handle_composite(b
, opcode
, w
, count
);
4110 case SpvOpEmitVertex
:
4111 case SpvOpEndPrimitive
:
4112 case SpvOpEmitStreamVertex
:
4113 case SpvOpEndStreamPrimitive
:
4114 case SpvOpControlBarrier
:
4115 case SpvOpMemoryBarrier
:
4116 vtn_handle_barrier(b
, opcode
, w
, count
);
4119 case SpvOpGroupNonUniformElect
:
4120 case SpvOpGroupNonUniformAll
:
4121 case SpvOpGroupNonUniformAny
:
4122 case SpvOpGroupNonUniformAllEqual
:
4123 case SpvOpGroupNonUniformBroadcast
:
4124 case SpvOpGroupNonUniformBroadcastFirst
:
4125 case SpvOpGroupNonUniformBallot
:
4126 case SpvOpGroupNonUniformInverseBallot
:
4127 case SpvOpGroupNonUniformBallotBitExtract
:
4128 case SpvOpGroupNonUniformBallotBitCount
:
4129 case SpvOpGroupNonUniformBallotFindLSB
:
4130 case SpvOpGroupNonUniformBallotFindMSB
:
4131 case SpvOpGroupNonUniformShuffle
:
4132 case SpvOpGroupNonUniformShuffleXor
:
4133 case SpvOpGroupNonUniformShuffleUp
:
4134 case SpvOpGroupNonUniformShuffleDown
:
4135 case SpvOpGroupNonUniformIAdd
:
4136 case SpvOpGroupNonUniformFAdd
:
4137 case SpvOpGroupNonUniformIMul
:
4138 case SpvOpGroupNonUniformFMul
:
4139 case SpvOpGroupNonUniformSMin
:
4140 case SpvOpGroupNonUniformUMin
:
4141 case SpvOpGroupNonUniformFMin
:
4142 case SpvOpGroupNonUniformSMax
:
4143 case SpvOpGroupNonUniformUMax
:
4144 case SpvOpGroupNonUniformFMax
:
4145 case SpvOpGroupNonUniformBitwiseAnd
:
4146 case SpvOpGroupNonUniformBitwiseOr
:
4147 case SpvOpGroupNonUniformBitwiseXor
:
4148 case SpvOpGroupNonUniformLogicalAnd
:
4149 case SpvOpGroupNonUniformLogicalOr
:
4150 case SpvOpGroupNonUniformLogicalXor
:
4151 case SpvOpGroupNonUniformQuadBroadcast
:
4152 case SpvOpGroupNonUniformQuadSwap
:
4153 vtn_handle_subgroup(b
, opcode
, w
, count
);
4157 vtn_fail("Unhandled opcode");
4164 vtn_create_builder(const uint32_t *words
, size_t word_count
,
4165 gl_shader_stage stage
, const char *entry_point_name
,
4166 const struct spirv_to_nir_options
*options
)
4168 /* Initialize the vtn_builder object */
4169 struct vtn_builder
*b
= rzalloc(NULL
, struct vtn_builder
);
4171 b
->spirv_word_count
= word_count
;
4175 exec_list_make_empty(&b
->functions
);
4176 b
->entry_point_stage
= stage
;
4177 b
->entry_point_name
= entry_point_name
;
4178 b
->options
= options
;
4181 * Handle the SPIR-V header (first 5 dwords).
4182 * Can't use vtx_assert() as the setjmp(3) target isn't initialized yet.
4184 if (word_count
<= 5)
4187 if (words
[0] != SpvMagicNumber
) {
4188 vtn_err("words[0] was 0x%x, want 0x%x", words
[0], SpvMagicNumber
);
4191 if (words
[1] < 0x10000) {
4192 vtn_err("words[1] was 0x%x, want >= 0x10000", words
[1]);
4196 /* words[2] == generator magic */
4197 unsigned value_id_bound
= words
[3];
4198 if (words
[4] != 0) {
4199 vtn_err("words[4] was %u, want 0", words
[4]);
4203 b
->value_id_bound
= value_id_bound
;
4204 b
->values
= rzalloc_array(b
, struct vtn_value
, value_id_bound
);
4213 spirv_to_nir(const uint32_t *words
, size_t word_count
,
4214 struct nir_spirv_specialization
*spec
, unsigned num_spec
,
4215 gl_shader_stage stage
, const char *entry_point_name
,
4216 const struct spirv_to_nir_options
*options
,
4217 const nir_shader_compiler_options
*nir_options
)
4220 const uint32_t *word_end
= words
+ word_count
;
4222 struct vtn_builder
*b
= vtn_create_builder(words
, word_count
,
4223 stage
, entry_point_name
,
4229 /* See also _vtn_fail() */
4230 if (setjmp(b
->fail_jump
)) {
4235 /* Skip the SPIR-V header, handled at vtn_create_builder */
4238 /* Handle all the preamble instructions */
4239 words
= vtn_foreach_instruction(b
, words
, word_end
,
4240 vtn_handle_preamble_instruction
);
4242 if (b
->entry_point
== NULL
) {
4243 vtn_fail("Entry point not found");
4248 b
->shader
= nir_shader_create(b
, stage
, nir_options
, NULL
);
4250 /* Set shader info defaults */
4251 b
->shader
->info
.gs
.invocations
= 1;
4253 /* Parse execution modes */
4254 vtn_foreach_execution_mode(b
, b
->entry_point
,
4255 vtn_handle_execution_mode
, NULL
);
4257 b
->specializations
= spec
;
4258 b
->num_specializations
= num_spec
;
4260 /* Handle all variable, type, and constant instructions */
4261 words
= vtn_foreach_instruction(b
, words
, word_end
,
4262 vtn_handle_variable_or_type_instruction
);
4264 /* Set types on all vtn_values */
4265 vtn_foreach_instruction(b
, words
, word_end
, vtn_set_instruction_result_type
);
4267 vtn_build_cfg(b
, words
, word_end
);
4269 assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4270 b
->entry_point
->func
->referenced
= true;
4275 foreach_list_typed(struct vtn_function
, func
, node
, &b
->functions
) {
4276 if (func
->referenced
&& !func
->emitted
) {
4277 b
->const_table
= _mesa_hash_table_create(b
, _mesa_hash_pointer
,
4278 _mesa_key_pointer_equal
);
4280 vtn_function_emit(b
, func
, vtn_handle_body_instruction
);
4286 /* We sometimes generate bogus derefs that, while never used, give the
4287 * validator a bit of heartburn. Run dead code to get rid of them.
4289 nir_opt_dce(b
->shader
);
4291 vtn_assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4292 nir_function
*entry_point
= b
->entry_point
->func
->impl
->function
;
4293 vtn_assert(entry_point
);
4295 /* Unparent the shader from the vtn_builder before we delete the builder */
4296 ralloc_steal(NULL
, b
->shader
);