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 "spirv_info.h"
37 vtn_log(struct vtn_builder
*b
, enum nir_spirv_debug_level level
,
38 size_t spirv_offset
, const char *message
)
40 if (b
->options
->debug
.func
) {
41 b
->options
->debug
.func(b
->options
->debug
.private_data
,
42 level
, spirv_offset
, message
);
46 if (level
>= NIR_SPIRV_DEBUG_LEVEL_WARNING
)
47 fprintf(stderr
, "%s\n", message
);
52 vtn_logf(struct vtn_builder
*b
, enum nir_spirv_debug_level level
,
53 size_t spirv_offset
, const char *fmt
, ...)
59 msg
= ralloc_vasprintf(NULL
, fmt
, args
);
62 vtn_log(b
, level
, spirv_offset
, msg
);
68 vtn_log_err(struct vtn_builder
*b
,
69 enum nir_spirv_debug_level level
, const char *prefix
,
70 const char *file
, unsigned line
,
71 const char *fmt
, va_list args
)
75 msg
= ralloc_strdup(NULL
, prefix
);
78 ralloc_asprintf_append(&msg
, " In file %s:%u\n", file
, line
);
81 ralloc_asprintf_append(&msg
, " ");
83 ralloc_vasprintf_append(&msg
, fmt
, args
);
85 ralloc_asprintf_append(&msg
, "\n %zu bytes into the SPIR-V binary",
89 ralloc_asprintf_append(&msg
,
90 "\n in SPIR-V source file %s, line %d, col %d",
91 b
->file
, b
->line
, b
->col
);
94 vtn_log(b
, level
, b
->spirv_offset
, msg
);
100 vtn_dump_shader(struct vtn_builder
*b
, const char *path
, const char *prefix
)
105 int len
= snprintf(filename
, sizeof(filename
), "%s/%s-%d.spirv",
106 path
, prefix
, idx
++);
107 if (len
< 0 || len
>= sizeof(filename
))
110 FILE *f
= fopen(filename
, "w");
114 fwrite(b
->spirv
, sizeof(*b
->spirv
), b
->spirv_word_count
, f
);
117 vtn_info("SPIR-V shader dumped to %s", filename
);
121 _vtn_warn(struct vtn_builder
*b
, const char *file
, unsigned line
,
122 const char *fmt
, ...)
127 vtn_log_err(b
, NIR_SPIRV_DEBUG_LEVEL_WARNING
, "SPIR-V WARNING:\n",
128 file
, line
, fmt
, args
);
133 _vtn_fail(struct vtn_builder
*b
, const char *file
, unsigned line
,
134 const char *fmt
, ...)
139 vtn_log_err(b
, NIR_SPIRV_DEBUG_LEVEL_ERROR
, "SPIR-V parsing FAILED:\n",
140 file
, line
, fmt
, args
);
143 const char *dump_path
= getenv("MESA_SPIRV_FAIL_DUMP_PATH");
145 vtn_dump_shader(b
, dump_path
, "fail");
147 longjmp(b
->fail_jump
, 1);
150 struct spec_constant_value
{
158 static struct vtn_ssa_value
*
159 vtn_undef_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
161 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
164 if (glsl_type_is_vector_or_scalar(type
)) {
165 unsigned num_components
= glsl_get_vector_elements(val
->type
);
166 unsigned bit_size
= glsl_get_bit_size(val
->type
);
167 val
->def
= nir_ssa_undef(&b
->nb
, num_components
, bit_size
);
169 unsigned elems
= glsl_get_length(val
->type
);
170 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
171 if (glsl_type_is_matrix(type
)) {
172 const struct glsl_type
*elem_type
=
173 glsl_vector_type(glsl_get_base_type(type
),
174 glsl_get_vector_elements(type
));
176 for (unsigned i
= 0; i
< elems
; i
++)
177 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
178 } else if (glsl_type_is_array(type
)) {
179 const struct glsl_type
*elem_type
= glsl_get_array_element(type
);
180 for (unsigned i
= 0; i
< elems
; i
++)
181 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
183 for (unsigned i
= 0; i
< elems
; i
++) {
184 const struct glsl_type
*elem_type
= glsl_get_struct_field(type
, i
);
185 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
193 static struct vtn_ssa_value
*
194 vtn_const_ssa_value(struct vtn_builder
*b
, nir_constant
*constant
,
195 const struct glsl_type
*type
)
197 struct hash_entry
*entry
= _mesa_hash_table_search(b
->const_table
, constant
);
202 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
205 switch (glsl_get_base_type(type
)) {
208 case GLSL_TYPE_INT16
:
209 case GLSL_TYPE_UINT16
:
210 case GLSL_TYPE_INT64
:
211 case GLSL_TYPE_UINT64
:
213 case GLSL_TYPE_FLOAT
:
214 case GLSL_TYPE_FLOAT16
:
215 case GLSL_TYPE_DOUBLE
: {
216 int bit_size
= glsl_get_bit_size(type
);
217 if (glsl_type_is_vector_or_scalar(type
)) {
218 unsigned num_components
= glsl_get_vector_elements(val
->type
);
219 nir_load_const_instr
*load
=
220 nir_load_const_instr_create(b
->shader
, num_components
, bit_size
);
222 load
->value
= constant
->values
[0];
224 nir_instr_insert_before_cf_list(&b
->nb
.impl
->body
, &load
->instr
);
225 val
->def
= &load
->def
;
227 assert(glsl_type_is_matrix(type
));
228 unsigned rows
= glsl_get_vector_elements(val
->type
);
229 unsigned columns
= glsl_get_matrix_columns(val
->type
);
230 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, columns
);
232 for (unsigned i
= 0; i
< columns
; i
++) {
233 struct vtn_ssa_value
*col_val
= rzalloc(b
, struct vtn_ssa_value
);
234 col_val
->type
= glsl_get_column_type(val
->type
);
235 nir_load_const_instr
*load
=
236 nir_load_const_instr_create(b
->shader
, rows
, bit_size
);
238 load
->value
= constant
->values
[i
];
240 nir_instr_insert_before_cf_list(&b
->nb
.impl
->body
, &load
->instr
);
241 col_val
->def
= &load
->def
;
243 val
->elems
[i
] = col_val
;
249 case GLSL_TYPE_ARRAY
: {
250 unsigned elems
= glsl_get_length(val
->type
);
251 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
252 const struct glsl_type
*elem_type
= glsl_get_array_element(val
->type
);
253 for (unsigned i
= 0; i
< elems
; i
++)
254 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
259 case GLSL_TYPE_STRUCT
: {
260 unsigned elems
= glsl_get_length(val
->type
);
261 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
262 for (unsigned i
= 0; i
< elems
; i
++) {
263 const struct glsl_type
*elem_type
=
264 glsl_get_struct_field(val
->type
, i
);
265 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
272 vtn_fail("bad constant type");
278 struct vtn_ssa_value
*
279 vtn_ssa_value(struct vtn_builder
*b
, uint32_t value_id
)
281 struct vtn_value
*val
= vtn_untyped_value(b
, value_id
);
282 switch (val
->value_type
) {
283 case vtn_value_type_undef
:
284 return vtn_undef_ssa_value(b
, val
->type
->type
);
286 case vtn_value_type_constant
:
287 return vtn_const_ssa_value(b
, val
->constant
, val
->type
->type
);
289 case vtn_value_type_ssa
:
292 case vtn_value_type_pointer
:
293 vtn_assert(val
->pointer
->ptr_type
&& val
->pointer
->ptr_type
->type
);
294 struct vtn_ssa_value
*ssa
=
295 vtn_create_ssa_value(b
, val
->pointer
->ptr_type
->type
);
296 ssa
->def
= vtn_pointer_to_ssa(b
, val
->pointer
);
300 vtn_fail("Invalid type for an SSA value");
305 vtn_string_literal(struct vtn_builder
*b
, const uint32_t *words
,
306 unsigned word_count
, unsigned *words_used
)
308 char *dup
= ralloc_strndup(b
, (char *)words
, word_count
* sizeof(*words
));
310 /* Ammount of space taken by the string (including the null) */
311 unsigned len
= strlen(dup
) + 1;
312 *words_used
= DIV_ROUND_UP(len
, sizeof(*words
));
318 vtn_foreach_instruction(struct vtn_builder
*b
, const uint32_t *start
,
319 const uint32_t *end
, vtn_instruction_handler handler
)
325 const uint32_t *w
= start
;
327 SpvOp opcode
= w
[0] & SpvOpCodeMask
;
328 unsigned count
= w
[0] >> SpvWordCountShift
;
329 vtn_assert(count
>= 1 && w
+ count
<= end
);
331 b
->spirv_offset
= (uint8_t *)w
- (uint8_t *)b
->spirv
;
335 break; /* Do nothing */
338 b
->file
= vtn_value(b
, w
[1], vtn_value_type_string
)->str
;
350 if (!handler(b
, opcode
, w
, count
))
368 vtn_handle_extension(struct vtn_builder
*b
, SpvOp opcode
,
369 const uint32_t *w
, unsigned count
)
372 case SpvOpExtInstImport
: {
373 struct vtn_value
*val
= vtn_push_value(b
, w
[1], vtn_value_type_extension
);
374 if (strcmp((const char *)&w
[2], "GLSL.std.450") == 0) {
375 val
->ext_handler
= vtn_handle_glsl450_instruction
;
376 } else if ((strcmp((const char *)&w
[2], "SPV_AMD_gcn_shader") == 0)
377 && (b
->options
&& b
->options
->exts
.AMD_gcn_shader
)) {
378 val
->ext_handler
= vtn_handle_amd_gcn_shader_instruction
;
380 vtn_fail("Unsupported extension");
386 struct vtn_value
*val
= vtn_value(b
, w
[3], vtn_value_type_extension
);
387 bool handled
= val
->ext_handler(b
, w
[4], w
, count
);
393 vtn_fail("Unhandled opcode");
398 _foreach_decoration_helper(struct vtn_builder
*b
,
399 struct vtn_value
*base_value
,
401 struct vtn_value
*value
,
402 vtn_decoration_foreach_cb cb
, void *data
)
404 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
406 if (dec
->scope
== VTN_DEC_DECORATION
) {
407 member
= parent_member
;
408 } else if (dec
->scope
>= VTN_DEC_STRUCT_MEMBER0
) {
409 vtn_fail_if(value
->value_type
!= vtn_value_type_type
||
410 value
->type
->base_type
!= vtn_base_type_struct
,
411 "OpMemberDecorate and OpGroupMemberDecorate are only "
412 "allowed on OpTypeStruct");
413 /* This means we haven't recursed yet */
414 assert(value
== base_value
);
416 member
= dec
->scope
- VTN_DEC_STRUCT_MEMBER0
;
418 vtn_fail_if(member
>= base_value
->type
->length
,
419 "OpMemberDecorate specifies member %d but the "
420 "OpTypeStruct has only %u members",
421 member
, base_value
->type
->length
);
423 /* Not a decoration */
424 assert(dec
->scope
== VTN_DEC_EXECUTION_MODE
);
429 assert(dec
->group
->value_type
== vtn_value_type_decoration_group
);
430 _foreach_decoration_helper(b
, base_value
, member
, dec
->group
,
433 cb(b
, base_value
, member
, dec
, data
);
438 /** Iterates (recursively if needed) over all of the decorations on a value
440 * This function iterates over all of the decorations applied to a given
441 * value. If it encounters a decoration group, it recurses into the group
442 * and iterates over all of those decorations as well.
445 vtn_foreach_decoration(struct vtn_builder
*b
, struct vtn_value
*value
,
446 vtn_decoration_foreach_cb cb
, void *data
)
448 _foreach_decoration_helper(b
, value
, -1, value
, cb
, data
);
452 vtn_foreach_execution_mode(struct vtn_builder
*b
, struct vtn_value
*value
,
453 vtn_execution_mode_foreach_cb cb
, void *data
)
455 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
456 if (dec
->scope
!= VTN_DEC_EXECUTION_MODE
)
459 assert(dec
->group
== NULL
);
460 cb(b
, value
, dec
, data
);
465 vtn_handle_decoration(struct vtn_builder
*b
, SpvOp opcode
,
466 const uint32_t *w
, unsigned count
)
468 const uint32_t *w_end
= w
+ count
;
469 const uint32_t target
= w
[1];
473 case SpvOpDecorationGroup
:
474 vtn_push_value(b
, target
, vtn_value_type_decoration_group
);
478 case SpvOpMemberDecorate
:
479 case SpvOpExecutionMode
: {
480 struct vtn_value
*val
= vtn_untyped_value(b
, target
);
482 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
485 dec
->scope
= VTN_DEC_DECORATION
;
487 case SpvOpMemberDecorate
:
488 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(w
++);
489 vtn_fail_if(dec
->scope
< VTN_DEC_STRUCT_MEMBER0
, /* overflow */
490 "Member argument of OpMemberDecorate too large");
492 case SpvOpExecutionMode
:
493 dec
->scope
= VTN_DEC_EXECUTION_MODE
;
496 unreachable("Invalid decoration opcode");
498 dec
->decoration
= *(w
++);
501 /* Link into the list */
502 dec
->next
= val
->decoration
;
503 val
->decoration
= dec
;
507 case SpvOpGroupMemberDecorate
:
508 case SpvOpGroupDecorate
: {
509 struct vtn_value
*group
=
510 vtn_value(b
, target
, vtn_value_type_decoration_group
);
512 for (; w
< w_end
; w
++) {
513 struct vtn_value
*val
= vtn_untyped_value(b
, *w
);
514 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
517 if (opcode
== SpvOpGroupDecorate
) {
518 dec
->scope
= VTN_DEC_DECORATION
;
520 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(++w
);
521 vtn_fail_if(dec
->scope
< 0, /* Check for overflow */
522 "Member argument of OpGroupMemberDecorate too large");
525 /* Link into the list */
526 dec
->next
= val
->decoration
;
527 val
->decoration
= dec
;
533 unreachable("Unhandled opcode");
537 struct member_decoration_ctx
{
539 struct glsl_struct_field
*fields
;
540 struct vtn_type
*type
;
543 /** Returns true if two types are "compatible", i.e. you can do an OpLoad,
544 * OpStore, or OpCopyMemory between them without breaking anything.
545 * Technically, the SPIR-V rules require the exact same type ID but this lets
546 * us internally be a bit looser.
549 vtn_types_compatible(struct vtn_builder
*b
,
550 struct vtn_type
*t1
, struct vtn_type
*t2
)
552 if (t1
->id
== t2
->id
)
555 if (t1
->base_type
!= t2
->base_type
)
558 switch (t1
->base_type
) {
559 case vtn_base_type_void
:
560 case vtn_base_type_scalar
:
561 case vtn_base_type_vector
:
562 case vtn_base_type_matrix
:
563 case vtn_base_type_image
:
564 case vtn_base_type_sampler
:
565 case vtn_base_type_sampled_image
:
566 return t1
->type
== t2
->type
;
568 case vtn_base_type_array
:
569 return t1
->length
== t2
->length
&&
570 vtn_types_compatible(b
, t1
->array_element
, t2
->array_element
);
572 case vtn_base_type_pointer
:
573 return vtn_types_compatible(b
, t1
->deref
, t2
->deref
);
575 case vtn_base_type_struct
:
576 if (t1
->length
!= t2
->length
)
579 for (unsigned i
= 0; i
< t1
->length
; i
++) {
580 if (!vtn_types_compatible(b
, t1
->members
[i
], t2
->members
[i
]))
585 case vtn_base_type_function
:
586 /* This case shouldn't get hit since you can't copy around function
587 * types. Just require them to be identical.
592 vtn_fail("Invalid base type");
595 /* does a shallow copy of a vtn_type */
597 static struct vtn_type
*
598 vtn_type_copy(struct vtn_builder
*b
, struct vtn_type
*src
)
600 struct vtn_type
*dest
= ralloc(b
, struct vtn_type
);
603 switch (src
->base_type
) {
604 case vtn_base_type_void
:
605 case vtn_base_type_scalar
:
606 case vtn_base_type_vector
:
607 case vtn_base_type_matrix
:
608 case vtn_base_type_array
:
609 case vtn_base_type_pointer
:
610 case vtn_base_type_image
:
611 case vtn_base_type_sampler
:
612 case vtn_base_type_sampled_image
:
613 /* Nothing more to do */
616 case vtn_base_type_struct
:
617 dest
->members
= ralloc_array(b
, struct vtn_type
*, src
->length
);
618 memcpy(dest
->members
, src
->members
,
619 src
->length
* sizeof(src
->members
[0]));
621 dest
->offsets
= ralloc_array(b
, unsigned, src
->length
);
622 memcpy(dest
->offsets
, src
->offsets
,
623 src
->length
* sizeof(src
->offsets
[0]));
626 case vtn_base_type_function
:
627 dest
->params
= ralloc_array(b
, struct vtn_type
*, src
->length
);
628 memcpy(dest
->params
, src
->params
, src
->length
* sizeof(src
->params
[0]));
635 static struct vtn_type
*
636 mutable_matrix_member(struct vtn_builder
*b
, struct vtn_type
*type
, int member
)
638 type
->members
[member
] = vtn_type_copy(b
, type
->members
[member
]);
639 type
= type
->members
[member
];
641 /* We may have an array of matrices.... Oh, joy! */
642 while (glsl_type_is_array(type
->type
)) {
643 type
->array_element
= vtn_type_copy(b
, type
->array_element
);
644 type
= type
->array_element
;
647 vtn_assert(glsl_type_is_matrix(type
->type
));
653 struct_member_decoration_cb(struct vtn_builder
*b
,
654 struct vtn_value
*val
, int member
,
655 const struct vtn_decoration
*dec
, void *void_ctx
)
657 struct member_decoration_ctx
*ctx
= void_ctx
;
662 assert(member
< ctx
->num_fields
);
664 switch (dec
->decoration
) {
665 case SpvDecorationNonWritable
:
666 case SpvDecorationNonReadable
:
667 case SpvDecorationRelaxedPrecision
:
668 case SpvDecorationVolatile
:
669 case SpvDecorationCoherent
:
670 case SpvDecorationUniform
:
671 break; /* FIXME: Do nothing with this for now. */
672 case SpvDecorationNoPerspective
:
673 ctx
->fields
[member
].interpolation
= INTERP_MODE_NOPERSPECTIVE
;
675 case SpvDecorationFlat
:
676 ctx
->fields
[member
].interpolation
= INTERP_MODE_FLAT
;
678 case SpvDecorationCentroid
:
679 ctx
->fields
[member
].centroid
= true;
681 case SpvDecorationSample
:
682 ctx
->fields
[member
].sample
= true;
684 case SpvDecorationStream
:
685 /* Vulkan only allows one GS stream */
686 vtn_assert(dec
->literals
[0] == 0);
688 case SpvDecorationLocation
:
689 ctx
->fields
[member
].location
= dec
->literals
[0];
691 case SpvDecorationComponent
:
692 break; /* FIXME: What should we do with these? */
693 case SpvDecorationBuiltIn
:
694 ctx
->type
->members
[member
] = vtn_type_copy(b
, ctx
->type
->members
[member
]);
695 ctx
->type
->members
[member
]->is_builtin
= true;
696 ctx
->type
->members
[member
]->builtin
= dec
->literals
[0];
697 ctx
->type
->builtin_block
= true;
699 case SpvDecorationOffset
:
700 ctx
->type
->offsets
[member
] = dec
->literals
[0];
702 case SpvDecorationMatrixStride
:
703 /* Handled as a second pass */
705 case SpvDecorationColMajor
:
706 break; /* Nothing to do here. Column-major is the default. */
707 case SpvDecorationRowMajor
:
708 mutable_matrix_member(b
, ctx
->type
, member
)->row_major
= true;
711 case SpvDecorationPatch
:
714 case SpvDecorationSpecId
:
715 case SpvDecorationBlock
:
716 case SpvDecorationBufferBlock
:
717 case SpvDecorationArrayStride
:
718 case SpvDecorationGLSLShared
:
719 case SpvDecorationGLSLPacked
:
720 case SpvDecorationInvariant
:
721 case SpvDecorationRestrict
:
722 case SpvDecorationAliased
:
723 case SpvDecorationConstant
:
724 case SpvDecorationIndex
:
725 case SpvDecorationBinding
:
726 case SpvDecorationDescriptorSet
:
727 case SpvDecorationLinkageAttributes
:
728 case SpvDecorationNoContraction
:
729 case SpvDecorationInputAttachmentIndex
:
730 vtn_warn("Decoration not allowed on struct members: %s",
731 spirv_decoration_to_string(dec
->decoration
));
734 case SpvDecorationXfbBuffer
:
735 case SpvDecorationXfbStride
:
736 vtn_warn("Vulkan does not have transform feedback");
739 case SpvDecorationCPacked
:
740 case SpvDecorationSaturatedConversion
:
741 case SpvDecorationFuncParamAttr
:
742 case SpvDecorationFPRoundingMode
:
743 case SpvDecorationFPFastMathMode
:
744 case SpvDecorationAlignment
:
745 vtn_warn("Decoration only allowed for CL-style kernels: %s",
746 spirv_decoration_to_string(dec
->decoration
));
750 vtn_fail("Unhandled decoration");
754 /* Matrix strides are handled as a separate pass because we need to know
755 * whether the matrix is row-major or not first.
758 struct_member_matrix_stride_cb(struct vtn_builder
*b
,
759 struct vtn_value
*val
, int member
,
760 const struct vtn_decoration
*dec
,
763 if (dec
->decoration
!= SpvDecorationMatrixStride
)
766 vtn_fail_if(member
< 0,
767 "The MatrixStride decoration is only allowed on members "
770 struct member_decoration_ctx
*ctx
= void_ctx
;
772 struct vtn_type
*mat_type
= mutable_matrix_member(b
, ctx
->type
, member
);
773 if (mat_type
->row_major
) {
774 mat_type
->array_element
= vtn_type_copy(b
, mat_type
->array_element
);
775 mat_type
->stride
= mat_type
->array_element
->stride
;
776 mat_type
->array_element
->stride
= dec
->literals
[0];
778 vtn_assert(mat_type
->array_element
->stride
> 0);
779 mat_type
->stride
= dec
->literals
[0];
784 type_decoration_cb(struct vtn_builder
*b
,
785 struct vtn_value
*val
, int member
,
786 const struct vtn_decoration
*dec
, void *ctx
)
788 struct vtn_type
*type
= val
->type
;
791 /* This should have been handled by OpTypeStruct */
792 assert(val
->type
->base_type
== vtn_base_type_struct
);
793 assert(member
>= 0 && member
< val
->type
->length
);
797 switch (dec
->decoration
) {
798 case SpvDecorationArrayStride
:
799 vtn_assert(type
->base_type
== vtn_base_type_matrix
||
800 type
->base_type
== vtn_base_type_array
||
801 type
->base_type
== vtn_base_type_pointer
);
802 type
->stride
= dec
->literals
[0];
804 case SpvDecorationBlock
:
805 vtn_assert(type
->base_type
== vtn_base_type_struct
);
808 case SpvDecorationBufferBlock
:
809 vtn_assert(type
->base_type
== vtn_base_type_struct
);
810 type
->buffer_block
= true;
812 case SpvDecorationGLSLShared
:
813 case SpvDecorationGLSLPacked
:
814 /* Ignore these, since we get explicit offsets anyways */
817 case SpvDecorationRowMajor
:
818 case SpvDecorationColMajor
:
819 case SpvDecorationMatrixStride
:
820 case SpvDecorationBuiltIn
:
821 case SpvDecorationNoPerspective
:
822 case SpvDecorationFlat
:
823 case SpvDecorationPatch
:
824 case SpvDecorationCentroid
:
825 case SpvDecorationSample
:
826 case SpvDecorationVolatile
:
827 case SpvDecorationCoherent
:
828 case SpvDecorationNonWritable
:
829 case SpvDecorationNonReadable
:
830 case SpvDecorationUniform
:
831 case SpvDecorationStream
:
832 case SpvDecorationLocation
:
833 case SpvDecorationComponent
:
834 case SpvDecorationOffset
:
835 case SpvDecorationXfbBuffer
:
836 case SpvDecorationXfbStride
:
837 vtn_warn("Decoration only allowed for struct members: %s",
838 spirv_decoration_to_string(dec
->decoration
));
841 case SpvDecorationRelaxedPrecision
:
842 case SpvDecorationSpecId
:
843 case SpvDecorationInvariant
:
844 case SpvDecorationRestrict
:
845 case SpvDecorationAliased
:
846 case SpvDecorationConstant
:
847 case SpvDecorationIndex
:
848 case SpvDecorationBinding
:
849 case SpvDecorationDescriptorSet
:
850 case SpvDecorationLinkageAttributes
:
851 case SpvDecorationNoContraction
:
852 case SpvDecorationInputAttachmentIndex
:
853 vtn_warn("Decoration not allowed on types: %s",
854 spirv_decoration_to_string(dec
->decoration
));
857 case SpvDecorationCPacked
:
858 case SpvDecorationSaturatedConversion
:
859 case SpvDecorationFuncParamAttr
:
860 case SpvDecorationFPRoundingMode
:
861 case SpvDecorationFPFastMathMode
:
862 case SpvDecorationAlignment
:
863 vtn_warn("Decoration only allowed for CL-style kernels: %s",
864 spirv_decoration_to_string(dec
->decoration
));
868 vtn_fail("Unhandled decoration");
873 translate_image_format(struct vtn_builder
*b
, SpvImageFormat format
)
876 case SpvImageFormatUnknown
: return 0; /* GL_NONE */
877 case SpvImageFormatRgba32f
: return 0x8814; /* GL_RGBA32F */
878 case SpvImageFormatRgba16f
: return 0x881A; /* GL_RGBA16F */
879 case SpvImageFormatR32f
: return 0x822E; /* GL_R32F */
880 case SpvImageFormatRgba8
: return 0x8058; /* GL_RGBA8 */
881 case SpvImageFormatRgba8Snorm
: return 0x8F97; /* GL_RGBA8_SNORM */
882 case SpvImageFormatRg32f
: return 0x8230; /* GL_RG32F */
883 case SpvImageFormatRg16f
: return 0x822F; /* GL_RG16F */
884 case SpvImageFormatR11fG11fB10f
: return 0x8C3A; /* GL_R11F_G11F_B10F */
885 case SpvImageFormatR16f
: return 0x822D; /* GL_R16F */
886 case SpvImageFormatRgba16
: return 0x805B; /* GL_RGBA16 */
887 case SpvImageFormatRgb10A2
: return 0x8059; /* GL_RGB10_A2 */
888 case SpvImageFormatRg16
: return 0x822C; /* GL_RG16 */
889 case SpvImageFormatRg8
: return 0x822B; /* GL_RG8 */
890 case SpvImageFormatR16
: return 0x822A; /* GL_R16 */
891 case SpvImageFormatR8
: return 0x8229; /* GL_R8 */
892 case SpvImageFormatRgba16Snorm
: return 0x8F9B; /* GL_RGBA16_SNORM */
893 case SpvImageFormatRg16Snorm
: return 0x8F99; /* GL_RG16_SNORM */
894 case SpvImageFormatRg8Snorm
: return 0x8F95; /* GL_RG8_SNORM */
895 case SpvImageFormatR16Snorm
: return 0x8F98; /* GL_R16_SNORM */
896 case SpvImageFormatR8Snorm
: return 0x8F94; /* GL_R8_SNORM */
897 case SpvImageFormatRgba32i
: return 0x8D82; /* GL_RGBA32I */
898 case SpvImageFormatRgba16i
: return 0x8D88; /* GL_RGBA16I */
899 case SpvImageFormatRgba8i
: return 0x8D8E; /* GL_RGBA8I */
900 case SpvImageFormatR32i
: return 0x8235; /* GL_R32I */
901 case SpvImageFormatRg32i
: return 0x823B; /* GL_RG32I */
902 case SpvImageFormatRg16i
: return 0x8239; /* GL_RG16I */
903 case SpvImageFormatRg8i
: return 0x8237; /* GL_RG8I */
904 case SpvImageFormatR16i
: return 0x8233; /* GL_R16I */
905 case SpvImageFormatR8i
: return 0x8231; /* GL_R8I */
906 case SpvImageFormatRgba32ui
: return 0x8D70; /* GL_RGBA32UI */
907 case SpvImageFormatRgba16ui
: return 0x8D76; /* GL_RGBA16UI */
908 case SpvImageFormatRgba8ui
: return 0x8D7C; /* GL_RGBA8UI */
909 case SpvImageFormatR32ui
: return 0x8236; /* GL_R32UI */
910 case SpvImageFormatRgb10a2ui
: return 0x906F; /* GL_RGB10_A2UI */
911 case SpvImageFormatRg32ui
: return 0x823C; /* GL_RG32UI */
912 case SpvImageFormatRg16ui
: return 0x823A; /* GL_RG16UI */
913 case SpvImageFormatRg8ui
: return 0x8238; /* GL_RG8UI */
914 case SpvImageFormatR16ui
: return 0x8234; /* GL_R16UI */
915 case SpvImageFormatR8ui
: return 0x8232; /* GL_R8UI */
917 vtn_fail("Invalid image format");
921 static struct vtn_type
*
922 vtn_type_layout_std430(struct vtn_builder
*b
, struct vtn_type
*type
,
923 uint32_t *size_out
, uint32_t *align_out
)
925 switch (type
->base_type
) {
926 case vtn_base_type_scalar
: {
927 uint32_t comp_size
= glsl_get_bit_size(type
->type
) / 8;
928 *size_out
= comp_size
;
929 *align_out
= comp_size
;
933 case vtn_base_type_vector
: {
934 uint32_t comp_size
= glsl_get_bit_size(type
->type
) / 8;
935 assert(type
->length
> 0 && type
->length
<= 4);
936 unsigned align_comps
= type
->length
== 3 ? 4 : type
->length
;
937 *size_out
= comp_size
* type
->length
,
938 *align_out
= comp_size
* align_comps
;
942 case vtn_base_type_matrix
:
943 case vtn_base_type_array
: {
944 /* We're going to add an array stride */
945 type
= vtn_type_copy(b
, type
);
946 uint32_t elem_size
, elem_align
;
947 type
->array_element
= vtn_type_layout_std430(b
, type
->array_element
,
948 &elem_size
, &elem_align
);
949 type
->stride
= vtn_align_u32(elem_size
, elem_align
);
950 *size_out
= type
->stride
* type
->length
;
951 *align_out
= elem_align
;
955 case vtn_base_type_struct
: {
956 /* We're going to add member offsets */
957 type
= vtn_type_copy(b
, type
);
960 for (unsigned i
= 0; i
< type
->length
; i
++) {
961 uint32_t mem_size
, mem_align
;
962 type
->members
[i
] = vtn_type_layout_std430(b
, type
->members
[i
],
963 &mem_size
, &mem_align
);
964 offset
= vtn_align_u32(offset
, mem_align
);
965 type
->offsets
[i
] = offset
;
967 align
= MAX2(align
, mem_align
);
975 unreachable("Invalid SPIR-V type for std430");
980 vtn_handle_type(struct vtn_builder
*b
, SpvOp opcode
,
981 const uint32_t *w
, unsigned count
)
983 struct vtn_value
*val
= vtn_push_value(b
, w
[1], vtn_value_type_type
);
985 val
->type
= rzalloc(b
, struct vtn_type
);
986 val
->type
->id
= w
[1];
990 val
->type
->base_type
= vtn_base_type_void
;
991 val
->type
->type
= glsl_void_type();
994 val
->type
->base_type
= vtn_base_type_scalar
;
995 val
->type
->type
= glsl_bool_type();
996 val
->type
->length
= 1;
1000 const bool signedness
= w
[3];
1001 val
->type
->base_type
= vtn_base_type_scalar
;
1004 val
->type
->type
= (signedness
? glsl_int64_t_type() : glsl_uint64_t_type());
1007 val
->type
->type
= (signedness
? glsl_int_type() : glsl_uint_type());
1010 val
->type
->type
= (signedness
? glsl_int16_t_type() : glsl_uint16_t_type());
1013 vtn_fail("Invalid int bit size");
1015 val
->type
->length
= 1;
1019 case SpvOpTypeFloat
: {
1020 int bit_size
= w
[2];
1021 val
->type
->base_type
= vtn_base_type_scalar
;
1024 val
->type
->type
= glsl_float16_t_type();
1027 val
->type
->type
= glsl_float_type();
1030 val
->type
->type
= glsl_double_type();
1033 vtn_fail("Invalid float bit size");
1035 val
->type
->length
= 1;
1039 case SpvOpTypeVector
: {
1040 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1041 unsigned elems
= w
[3];
1043 vtn_fail_if(base
->base_type
!= vtn_base_type_scalar
,
1044 "Base type for OpTypeVector must be a scalar");
1045 vtn_fail_if(elems
< 2 || elems
> 4,
1046 "Invalid component count for OpTypeVector");
1048 val
->type
->base_type
= vtn_base_type_vector
;
1049 val
->type
->type
= glsl_vector_type(glsl_get_base_type(base
->type
), elems
);
1050 val
->type
->length
= elems
;
1051 val
->type
->stride
= glsl_get_bit_size(base
->type
) / 8;
1052 val
->type
->array_element
= base
;
1056 case SpvOpTypeMatrix
: {
1057 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1058 unsigned columns
= w
[3];
1060 vtn_fail_if(base
->base_type
!= vtn_base_type_vector
,
1061 "Base type for OpTypeMatrix must be a vector");
1062 vtn_fail_if(columns
< 2 || columns
> 4,
1063 "Invalid column count for OpTypeMatrix");
1065 val
->type
->base_type
= vtn_base_type_matrix
;
1066 val
->type
->type
= glsl_matrix_type(glsl_get_base_type(base
->type
),
1067 glsl_get_vector_elements(base
->type
),
1069 vtn_fail_if(glsl_type_is_error(val
->type
->type
),
1070 "Unsupported base type for OpTypeMatrix");
1071 assert(!glsl_type_is_error(val
->type
->type
));
1072 val
->type
->length
= columns
;
1073 val
->type
->array_element
= base
;
1074 val
->type
->row_major
= false;
1075 val
->type
->stride
= 0;
1079 case SpvOpTypeRuntimeArray
:
1080 case SpvOpTypeArray
: {
1081 struct vtn_type
*array_element
=
1082 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1084 if (opcode
== SpvOpTypeRuntimeArray
) {
1085 /* A length of 0 is used to denote unsized arrays */
1086 val
->type
->length
= 0;
1089 vtn_value(b
, w
[3], vtn_value_type_constant
)->constant
->values
[0].u32
[0];
1092 val
->type
->base_type
= vtn_base_type_array
;
1093 val
->type
->type
= glsl_array_type(array_element
->type
, val
->type
->length
);
1094 val
->type
->array_element
= array_element
;
1095 val
->type
->stride
= 0;
1099 case SpvOpTypeStruct
: {
1100 unsigned num_fields
= count
- 2;
1101 val
->type
->base_type
= vtn_base_type_struct
;
1102 val
->type
->length
= num_fields
;
1103 val
->type
->members
= ralloc_array(b
, struct vtn_type
*, num_fields
);
1104 val
->type
->offsets
= ralloc_array(b
, unsigned, num_fields
);
1106 NIR_VLA(struct glsl_struct_field
, fields
, count
);
1107 for (unsigned i
= 0; i
< num_fields
; i
++) {
1108 val
->type
->members
[i
] =
1109 vtn_value(b
, w
[i
+ 2], vtn_value_type_type
)->type
;
1110 fields
[i
] = (struct glsl_struct_field
) {
1111 .type
= val
->type
->members
[i
]->type
,
1112 .name
= ralloc_asprintf(b
, "field%d", i
),
1117 struct member_decoration_ctx ctx
= {
1118 .num_fields
= num_fields
,
1123 vtn_foreach_decoration(b
, val
, struct_member_decoration_cb
, &ctx
);
1124 vtn_foreach_decoration(b
, val
, struct_member_matrix_stride_cb
, &ctx
);
1126 const char *name
= val
->name
? val
->name
: "struct";
1128 val
->type
->type
= glsl_struct_type(fields
, num_fields
, name
);
1132 case SpvOpTypeFunction
: {
1133 val
->type
->base_type
= vtn_base_type_function
;
1134 val
->type
->type
= NULL
;
1136 val
->type
->return_type
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1138 const unsigned num_params
= count
- 3;
1139 val
->type
->length
= num_params
;
1140 val
->type
->params
= ralloc_array(b
, struct vtn_type
*, num_params
);
1141 for (unsigned i
= 0; i
< count
- 3; i
++) {
1142 val
->type
->params
[i
] =
1143 vtn_value(b
, w
[i
+ 3], vtn_value_type_type
)->type
;
1148 case SpvOpTypePointer
: {
1149 SpvStorageClass storage_class
= w
[2];
1150 struct vtn_type
*deref_type
=
1151 vtn_value(b
, w
[3], vtn_value_type_type
)->type
;
1153 val
->type
->base_type
= vtn_base_type_pointer
;
1154 val
->type
->storage_class
= storage_class
;
1155 val
->type
->deref
= deref_type
;
1157 if (storage_class
== SpvStorageClassUniform
||
1158 storage_class
== SpvStorageClassStorageBuffer
) {
1159 /* These can actually be stored to nir_variables and used as SSA
1160 * values so they need a real glsl_type.
1162 val
->type
->type
= glsl_vector_type(GLSL_TYPE_UINT
, 2);
1165 if (storage_class
== SpvStorageClassWorkgroup
&&
1166 b
->options
->lower_workgroup_access_to_offsets
) {
1167 uint32_t size
, align
;
1168 val
->type
->deref
= vtn_type_layout_std430(b
, val
->type
->deref
,
1170 val
->type
->length
= size
;
1171 val
->type
->align
= align
;
1172 /* These can actually be stored to nir_variables and used as SSA
1173 * values so they need a real glsl_type.
1175 val
->type
->type
= glsl_uint_type();
1180 case SpvOpTypeImage
: {
1181 val
->type
->base_type
= vtn_base_type_image
;
1183 const struct vtn_type
*sampled_type
=
1184 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1186 vtn_fail_if(sampled_type
->base_type
!= vtn_base_type_scalar
||
1187 glsl_get_bit_size(sampled_type
->type
) != 32,
1188 "Sampled type of OpTypeImage must be a 32-bit scalar");
1190 enum glsl_sampler_dim dim
;
1191 switch ((SpvDim
)w
[3]) {
1192 case SpvDim1D
: dim
= GLSL_SAMPLER_DIM_1D
; break;
1193 case SpvDim2D
: dim
= GLSL_SAMPLER_DIM_2D
; break;
1194 case SpvDim3D
: dim
= GLSL_SAMPLER_DIM_3D
; break;
1195 case SpvDimCube
: dim
= GLSL_SAMPLER_DIM_CUBE
; break;
1196 case SpvDimRect
: dim
= GLSL_SAMPLER_DIM_RECT
; break;
1197 case SpvDimBuffer
: dim
= GLSL_SAMPLER_DIM_BUF
; break;
1198 case SpvDimSubpassData
: dim
= GLSL_SAMPLER_DIM_SUBPASS
; break;
1200 vtn_fail("Invalid SPIR-V image dimensionality");
1203 bool is_shadow
= w
[4];
1204 bool is_array
= w
[5];
1205 bool multisampled
= w
[6];
1206 unsigned sampled
= w
[7];
1207 SpvImageFormat format
= w
[8];
1210 val
->type
->access_qualifier
= w
[9];
1212 val
->type
->access_qualifier
= SpvAccessQualifierReadWrite
;
1215 if (dim
== GLSL_SAMPLER_DIM_2D
)
1216 dim
= GLSL_SAMPLER_DIM_MS
;
1217 else if (dim
== GLSL_SAMPLER_DIM_SUBPASS
)
1218 dim
= GLSL_SAMPLER_DIM_SUBPASS_MS
;
1220 vtn_fail("Unsupported multisampled image type");
1223 val
->type
->image_format
= translate_image_format(b
, format
);
1225 enum glsl_base_type sampled_base_type
=
1226 glsl_get_base_type(sampled_type
->type
);
1228 val
->type
->sampled
= true;
1229 val
->type
->type
= glsl_sampler_type(dim
, is_shadow
, is_array
,
1231 } else if (sampled
== 2) {
1232 vtn_assert(!is_shadow
);
1233 val
->type
->sampled
= false;
1234 val
->type
->type
= glsl_image_type(dim
, is_array
, sampled_base_type
);
1236 vtn_fail("We need to know if the image will be sampled");
1241 case SpvOpTypeSampledImage
:
1242 val
->type
->base_type
= vtn_base_type_sampled_image
;
1243 val
->type
->image
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1244 val
->type
->type
= val
->type
->image
->type
;
1247 case SpvOpTypeSampler
:
1248 /* The actual sampler type here doesn't really matter. It gets
1249 * thrown away the moment you combine it with an image. What really
1250 * matters is that it's a sampler type as opposed to an integer type
1251 * so the backend knows what to do.
1253 val
->type
->base_type
= vtn_base_type_sampler
;
1254 val
->type
->type
= glsl_bare_sampler_type();
1257 case SpvOpTypeOpaque
:
1258 case SpvOpTypeEvent
:
1259 case SpvOpTypeDeviceEvent
:
1260 case SpvOpTypeReserveId
:
1261 case SpvOpTypeQueue
:
1264 vtn_fail("Unhandled opcode");
1267 vtn_foreach_decoration(b
, val
, type_decoration_cb
, NULL
);
1270 static nir_constant
*
1271 vtn_null_constant(struct vtn_builder
*b
, const struct glsl_type
*type
)
1273 nir_constant
*c
= rzalloc(b
, nir_constant
);
1275 /* For pointers and other typeless things, we have to return something but
1276 * it doesn't matter what.
1281 switch (glsl_get_base_type(type
)) {
1283 case GLSL_TYPE_UINT
:
1284 case GLSL_TYPE_INT16
:
1285 case GLSL_TYPE_UINT16
:
1286 case GLSL_TYPE_INT64
:
1287 case GLSL_TYPE_UINT64
:
1288 case GLSL_TYPE_BOOL
:
1289 case GLSL_TYPE_FLOAT
:
1290 case GLSL_TYPE_FLOAT16
:
1291 case GLSL_TYPE_DOUBLE
:
1292 /* Nothing to do here. It's already initialized to zero */
1295 case GLSL_TYPE_ARRAY
:
1296 vtn_assert(glsl_get_length(type
) > 0);
1297 c
->num_elements
= glsl_get_length(type
);
1298 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1300 c
->elements
[0] = vtn_null_constant(b
, glsl_get_array_element(type
));
1301 for (unsigned i
= 1; i
< c
->num_elements
; i
++)
1302 c
->elements
[i
] = c
->elements
[0];
1305 case GLSL_TYPE_STRUCT
:
1306 c
->num_elements
= glsl_get_length(type
);
1307 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1309 for (unsigned i
= 0; i
< c
->num_elements
; i
++) {
1310 c
->elements
[i
] = vtn_null_constant(b
, glsl_get_struct_field(type
, i
));
1315 vtn_fail("Invalid type for null constant");
1322 spec_constant_decoration_cb(struct vtn_builder
*b
, struct vtn_value
*v
,
1323 int member
, const struct vtn_decoration
*dec
,
1326 vtn_assert(member
== -1);
1327 if (dec
->decoration
!= SpvDecorationSpecId
)
1330 struct spec_constant_value
*const_value
= data
;
1332 for (unsigned i
= 0; i
< b
->num_specializations
; i
++) {
1333 if (b
->specializations
[i
].id
== dec
->literals
[0]) {
1334 if (const_value
->is_double
)
1335 const_value
->data64
= b
->specializations
[i
].data64
;
1337 const_value
->data32
= b
->specializations
[i
].data32
;
1344 get_specialization(struct vtn_builder
*b
, struct vtn_value
*val
,
1345 uint32_t const_value
)
1347 struct spec_constant_value data
;
1348 data
.is_double
= false;
1349 data
.data32
= const_value
;
1350 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1355 get_specialization64(struct vtn_builder
*b
, struct vtn_value
*val
,
1356 uint64_t const_value
)
1358 struct spec_constant_value data
;
1359 data
.is_double
= true;
1360 data
.data64
= const_value
;
1361 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1366 handle_workgroup_size_decoration_cb(struct vtn_builder
*b
,
1367 struct vtn_value
*val
,
1369 const struct vtn_decoration
*dec
,
1372 vtn_assert(member
== -1);
1373 if (dec
->decoration
!= SpvDecorationBuiltIn
||
1374 dec
->literals
[0] != SpvBuiltInWorkgroupSize
)
1377 vtn_assert(val
->type
->type
== glsl_vector_type(GLSL_TYPE_UINT
, 3));
1379 b
->shader
->info
.cs
.local_size
[0] = val
->constant
->values
[0].u32
[0];
1380 b
->shader
->info
.cs
.local_size
[1] = val
->constant
->values
[0].u32
[1];
1381 b
->shader
->info
.cs
.local_size
[2] = val
->constant
->values
[0].u32
[2];
1385 vtn_handle_constant(struct vtn_builder
*b
, SpvOp opcode
,
1386 const uint32_t *w
, unsigned count
)
1388 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_constant
);
1389 val
->constant
= rzalloc(b
, nir_constant
);
1391 case SpvOpConstantTrue
:
1392 case SpvOpConstantFalse
:
1393 case SpvOpSpecConstantTrue
:
1394 case SpvOpSpecConstantFalse
: {
1395 vtn_fail_if(val
->type
->type
!= glsl_bool_type(),
1396 "Result type of %s must be OpTypeBool",
1397 spirv_op_to_string(opcode
));
1399 uint32_t int_val
= (opcode
== SpvOpConstantTrue
||
1400 opcode
== SpvOpSpecConstantTrue
);
1402 if (opcode
== SpvOpSpecConstantTrue
||
1403 opcode
== SpvOpSpecConstantFalse
)
1404 int_val
= get_specialization(b
, val
, int_val
);
1406 val
->constant
->values
[0].u32
[0] = int_val
? NIR_TRUE
: NIR_FALSE
;
1410 case SpvOpConstant
: {
1411 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1412 "Result type of %s must be a scalar",
1413 spirv_op_to_string(opcode
));
1414 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1417 val
->constant
->values
->u64
[0] = vtn_u64_literal(&w
[3]);
1420 val
->constant
->values
->u32
[0] = w
[3];
1423 val
->constant
->values
->u16
[0] = w
[3];
1426 vtn_fail("Unsupported SpvOpConstant bit size");
1431 case SpvOpSpecConstant
: {
1432 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1433 "Result type of %s must be a scalar",
1434 spirv_op_to_string(opcode
));
1435 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1438 val
->constant
->values
[0].u64
[0] =
1439 get_specialization64(b
, val
, vtn_u64_literal(&w
[3]));
1442 val
->constant
->values
[0].u32
[0] = get_specialization(b
, val
, w
[3]);
1445 val
->constant
->values
[0].u16
[0] = get_specialization(b
, val
, w
[3]);
1448 vtn_fail("Unsupported SpvOpSpecConstant bit size");
1453 case SpvOpSpecConstantComposite
:
1454 case SpvOpConstantComposite
: {
1455 unsigned elem_count
= count
- 3;
1456 vtn_fail_if(elem_count
!= val
->type
->length
,
1457 "%s has %u constituents, expected %u",
1458 spirv_op_to_string(opcode
), elem_count
, val
->type
->length
);
1460 nir_constant
**elems
= ralloc_array(b
, nir_constant
*, elem_count
);
1461 for (unsigned i
= 0; i
< elem_count
; i
++)
1462 elems
[i
] = vtn_value(b
, w
[i
+ 3], vtn_value_type_constant
)->constant
;
1464 switch (val
->type
->base_type
) {
1465 case vtn_base_type_vector
: {
1466 assert(glsl_type_is_vector(val
->type
->type
));
1467 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1468 for (unsigned i
= 0; i
< elem_count
; i
++) {
1471 val
->constant
->values
[0].u64
[i
] = elems
[i
]->values
[0].u64
[0];
1474 val
->constant
->values
[0].u32
[i
] = elems
[i
]->values
[0].u32
[0];
1477 val
->constant
->values
[0].u16
[i
] = elems
[i
]->values
[0].u16
[0];
1480 vtn_fail("Invalid SpvOpConstantComposite bit size");
1486 case vtn_base_type_matrix
:
1487 assert(glsl_type_is_matrix(val
->type
->type
));
1488 for (unsigned i
= 0; i
< elem_count
; i
++)
1489 val
->constant
->values
[i
] = elems
[i
]->values
[0];
1492 case vtn_base_type_struct
:
1493 case vtn_base_type_array
:
1494 ralloc_steal(val
->constant
, elems
);
1495 val
->constant
->num_elements
= elem_count
;
1496 val
->constant
->elements
= elems
;
1500 vtn_fail("Result type of %s must be a composite type",
1501 spirv_op_to_string(opcode
));
1506 case SpvOpSpecConstantOp
: {
1507 SpvOp opcode
= get_specialization(b
, val
, w
[3]);
1509 case SpvOpVectorShuffle
: {
1510 struct vtn_value
*v0
= &b
->values
[w
[4]];
1511 struct vtn_value
*v1
= &b
->values
[w
[5]];
1513 vtn_assert(v0
->value_type
== vtn_value_type_constant
||
1514 v0
->value_type
== vtn_value_type_undef
);
1515 vtn_assert(v1
->value_type
== vtn_value_type_constant
||
1516 v1
->value_type
== vtn_value_type_undef
);
1518 unsigned len0
= glsl_get_vector_elements(v0
->type
->type
);
1519 unsigned len1
= glsl_get_vector_elements(v1
->type
->type
);
1521 vtn_assert(len0
+ len1
< 16);
1523 unsigned bit_size
= glsl_get_bit_size(val
->type
->type
);
1524 unsigned bit_size0
= glsl_get_bit_size(v0
->type
->type
);
1525 unsigned bit_size1
= glsl_get_bit_size(v1
->type
->type
);
1527 vtn_assert(bit_size
== bit_size0
&& bit_size
== bit_size1
);
1528 (void)bit_size0
; (void)bit_size1
;
1530 if (bit_size
== 64) {
1532 if (v0
->value_type
== vtn_value_type_constant
) {
1533 for (unsigned i
= 0; i
< len0
; i
++)
1534 u64
[i
] = v0
->constant
->values
[0].u64
[i
];
1536 if (v1
->value_type
== vtn_value_type_constant
) {
1537 for (unsigned i
= 0; i
< len1
; i
++)
1538 u64
[len0
+ i
] = v1
->constant
->values
[0].u64
[i
];
1541 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1542 uint32_t comp
= w
[i
+ 6];
1543 /* If component is not used, set the value to a known constant
1544 * to detect if it is wrongly used.
1546 if (comp
== (uint32_t)-1)
1547 val
->constant
->values
[0].u64
[j
] = 0xdeadbeefdeadbeef;
1549 val
->constant
->values
[0].u64
[j
] = u64
[comp
];
1552 /* This is for both 32-bit and 16-bit values */
1554 if (v0
->value_type
== vtn_value_type_constant
) {
1555 for (unsigned i
= 0; i
< len0
; i
++)
1556 u32
[i
] = v0
->constant
->values
[0].u32
[i
];
1558 if (v1
->value_type
== vtn_value_type_constant
) {
1559 for (unsigned i
= 0; i
< len1
; i
++)
1560 u32
[len0
+ i
] = v1
->constant
->values
[0].u32
[i
];
1563 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1564 uint32_t comp
= w
[i
+ 6];
1565 /* If component is not used, set the value to a known constant
1566 * to detect if it is wrongly used.
1568 if (comp
== (uint32_t)-1)
1569 val
->constant
->values
[0].u32
[j
] = 0xdeadbeef;
1571 val
->constant
->values
[0].u32
[j
] = u32
[comp
];
1577 case SpvOpCompositeExtract
:
1578 case SpvOpCompositeInsert
: {
1579 struct vtn_value
*comp
;
1580 unsigned deref_start
;
1581 struct nir_constant
**c
;
1582 if (opcode
== SpvOpCompositeExtract
) {
1583 comp
= vtn_value(b
, w
[4], vtn_value_type_constant
);
1585 c
= &comp
->constant
;
1587 comp
= vtn_value(b
, w
[5], vtn_value_type_constant
);
1589 val
->constant
= nir_constant_clone(comp
->constant
,
1596 const struct vtn_type
*type
= comp
->type
;
1597 for (unsigned i
= deref_start
; i
< count
; i
++) {
1598 vtn_fail_if(w
[i
] > type
->length
,
1599 "%uth index of %s is %u but the type has only "
1600 "%u elements", i
- deref_start
,
1601 spirv_op_to_string(opcode
), w
[i
], type
->length
);
1603 switch (type
->base_type
) {
1604 case vtn_base_type_vector
:
1606 type
= type
->array_element
;
1609 case vtn_base_type_matrix
:
1610 assert(col
== 0 && elem
== -1);
1613 type
= type
->array_element
;
1616 case vtn_base_type_array
:
1617 c
= &(*c
)->elements
[w
[i
]];
1618 type
= type
->array_element
;
1621 case vtn_base_type_struct
:
1622 c
= &(*c
)->elements
[w
[i
]];
1623 type
= type
->members
[w
[i
]];
1627 vtn_fail("%s must only index into composite types",
1628 spirv_op_to_string(opcode
));
1632 if (opcode
== SpvOpCompositeExtract
) {
1636 unsigned num_components
= type
->length
;
1637 unsigned bit_size
= glsl_get_bit_size(type
->type
);
1638 for (unsigned i
= 0; i
< num_components
; i
++)
1641 val
->constant
->values
[0].u64
[i
] = (*c
)->values
[col
].u64
[elem
+ i
];
1644 val
->constant
->values
[0].u32
[i
] = (*c
)->values
[col
].u32
[elem
+ i
];
1647 val
->constant
->values
[0].u16
[i
] = (*c
)->values
[col
].u16
[elem
+ i
];
1650 vtn_fail("Invalid SpvOpCompositeExtract bit size");
1654 struct vtn_value
*insert
=
1655 vtn_value(b
, w
[4], vtn_value_type_constant
);
1656 vtn_assert(insert
->type
== type
);
1658 *c
= insert
->constant
;
1660 unsigned num_components
= type
->length
;
1661 unsigned bit_size
= glsl_get_bit_size(type
->type
);
1662 for (unsigned i
= 0; i
< num_components
; i
++)
1665 (*c
)->values
[col
].u64
[elem
+ i
] = insert
->constant
->values
[0].u64
[i
];
1668 (*c
)->values
[col
].u32
[elem
+ i
] = insert
->constant
->values
[0].u32
[i
];
1671 (*c
)->values
[col
].u16
[elem
+ i
] = insert
->constant
->values
[0].u16
[i
];
1674 vtn_fail("Invalid SpvOpCompositeInsert bit size");
1683 nir_alu_type dst_alu_type
= nir_get_nir_type_for_glsl_type(val
->type
->type
);
1684 nir_alu_type src_alu_type
= dst_alu_type
;
1685 unsigned num_components
= glsl_get_vector_elements(val
->type
->type
);
1688 vtn_assert(count
<= 7);
1693 /* We have a source in a conversion */
1695 nir_get_nir_type_for_glsl_type(
1696 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1697 /* We use the bitsize of the conversion source to evaluate the opcode later */
1698 bit_size
= glsl_get_bit_size(
1699 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1702 bit_size
= glsl_get_bit_size(val
->type
->type
);
1705 nir_op op
= vtn_nir_alu_op_for_spirv_opcode(b
, opcode
, &swap
,
1708 nir_const_value src
[4];
1710 for (unsigned i
= 0; i
< count
- 4; i
++) {
1712 vtn_value(b
, w
[4 + i
], vtn_value_type_constant
)->constant
;
1714 unsigned j
= swap
? 1 - i
: i
;
1715 src
[j
] = c
->values
[0];
1718 val
->constant
->values
[0] =
1719 nir_eval_const_opcode(op
, num_components
, bit_size
, src
);
1726 case SpvOpConstantNull
:
1727 val
->constant
= vtn_null_constant(b
, val
->type
->type
);
1730 case SpvOpConstantSampler
:
1731 vtn_fail("OpConstantSampler requires Kernel Capability");
1735 vtn_fail("Unhandled opcode");
1738 /* Now that we have the value, update the workgroup size if needed */
1739 vtn_foreach_decoration(b
, val
, handle_workgroup_size_decoration_cb
, NULL
);
1743 vtn_handle_function_call(struct vtn_builder
*b
, SpvOp opcode
,
1744 const uint32_t *w
, unsigned count
)
1746 struct vtn_type
*res_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
1747 struct vtn_function
*vtn_callee
=
1748 vtn_value(b
, w
[3], vtn_value_type_function
)->func
;
1749 struct nir_function
*callee
= vtn_callee
->impl
->function
;
1751 vtn_callee
->referenced
= true;
1753 nir_call_instr
*call
= nir_call_instr_create(b
->nb
.shader
, callee
);
1754 for (unsigned i
= 0; i
< call
->num_params
; i
++) {
1755 unsigned arg_id
= w
[4 + i
];
1756 struct vtn_value
*arg
= vtn_untyped_value(b
, arg_id
);
1757 if (arg
->value_type
== vtn_value_type_pointer
&&
1758 arg
->pointer
->ptr_type
->type
== NULL
) {
1759 nir_deref_var
*d
= vtn_pointer_to_deref(b
, arg
->pointer
);
1760 call
->params
[i
] = nir_deref_var_clone(d
, call
);
1762 struct vtn_ssa_value
*arg_ssa
= vtn_ssa_value(b
, arg_id
);
1764 /* Make a temporary to store the argument in */
1766 nir_local_variable_create(b
->nb
.impl
, arg_ssa
->type
, "arg_tmp");
1767 call
->params
[i
] = nir_deref_var_create(call
, tmp
);
1769 vtn_local_store(b
, arg_ssa
, call
->params
[i
]);
1773 nir_variable
*out_tmp
= NULL
;
1774 vtn_assert(res_type
->type
== callee
->return_type
);
1775 if (!glsl_type_is_void(callee
->return_type
)) {
1776 out_tmp
= nir_local_variable_create(b
->nb
.impl
, callee
->return_type
,
1778 call
->return_deref
= nir_deref_var_create(call
, out_tmp
);
1781 nir_builder_instr_insert(&b
->nb
, &call
->instr
);
1783 if (glsl_type_is_void(callee
->return_type
)) {
1784 vtn_push_value(b
, w
[2], vtn_value_type_undef
);
1786 vtn_push_ssa(b
, w
[2], res_type
, vtn_local_load(b
, call
->return_deref
));
1790 struct vtn_ssa_value
*
1791 vtn_create_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
1793 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
1796 if (!glsl_type_is_vector_or_scalar(type
)) {
1797 unsigned elems
= glsl_get_length(type
);
1798 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
1799 for (unsigned i
= 0; i
< elems
; i
++) {
1800 const struct glsl_type
*child_type
;
1802 switch (glsl_get_base_type(type
)) {
1804 case GLSL_TYPE_UINT
:
1805 case GLSL_TYPE_INT16
:
1806 case GLSL_TYPE_UINT16
:
1807 case GLSL_TYPE_INT64
:
1808 case GLSL_TYPE_UINT64
:
1809 case GLSL_TYPE_BOOL
:
1810 case GLSL_TYPE_FLOAT
:
1811 case GLSL_TYPE_FLOAT16
:
1812 case GLSL_TYPE_DOUBLE
:
1813 child_type
= glsl_get_column_type(type
);
1815 case GLSL_TYPE_ARRAY
:
1816 child_type
= glsl_get_array_element(type
);
1818 case GLSL_TYPE_STRUCT
:
1819 child_type
= glsl_get_struct_field(type
, i
);
1822 vtn_fail("unkown base type");
1825 val
->elems
[i
] = vtn_create_ssa_value(b
, child_type
);
1833 vtn_tex_src(struct vtn_builder
*b
, unsigned index
, nir_tex_src_type type
)
1836 src
.src
= nir_src_for_ssa(vtn_ssa_value(b
, index
)->def
);
1837 src
.src_type
= type
;
1842 vtn_handle_texture(struct vtn_builder
*b
, SpvOp opcode
,
1843 const uint32_t *w
, unsigned count
)
1845 if (opcode
== SpvOpSampledImage
) {
1846 struct vtn_value
*val
=
1847 vtn_push_value(b
, w
[2], vtn_value_type_sampled_image
);
1848 val
->sampled_image
= ralloc(b
, struct vtn_sampled_image
);
1849 val
->sampled_image
->type
=
1850 vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
1851 val
->sampled_image
->image
=
1852 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
1853 val
->sampled_image
->sampler
=
1854 vtn_value(b
, w
[4], vtn_value_type_pointer
)->pointer
;
1856 } else if (opcode
== SpvOpImage
) {
1857 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_pointer
);
1858 struct vtn_value
*src_val
= vtn_untyped_value(b
, w
[3]);
1859 if (src_val
->value_type
== vtn_value_type_sampled_image
) {
1860 val
->pointer
= src_val
->sampled_image
->image
;
1862 vtn_assert(src_val
->value_type
== vtn_value_type_pointer
);
1863 val
->pointer
= src_val
->pointer
;
1868 struct vtn_type
*ret_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
1869 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
1871 struct vtn_sampled_image sampled
;
1872 struct vtn_value
*sampled_val
= vtn_untyped_value(b
, w
[3]);
1873 if (sampled_val
->value_type
== vtn_value_type_sampled_image
) {
1874 sampled
= *sampled_val
->sampled_image
;
1876 vtn_assert(sampled_val
->value_type
== vtn_value_type_pointer
);
1877 sampled
.type
= sampled_val
->pointer
->type
;
1878 sampled
.image
= NULL
;
1879 sampled
.sampler
= sampled_val
->pointer
;
1882 const struct glsl_type
*image_type
= sampled
.type
->type
;
1883 const enum glsl_sampler_dim sampler_dim
= glsl_get_sampler_dim(image_type
);
1884 const bool is_array
= glsl_sampler_type_is_array(image_type
);
1885 const bool is_shadow
= glsl_sampler_type_is_shadow(image_type
);
1887 /* Figure out the base texture operation */
1890 case SpvOpImageSampleImplicitLod
:
1891 case SpvOpImageSampleDrefImplicitLod
:
1892 case SpvOpImageSampleProjImplicitLod
:
1893 case SpvOpImageSampleProjDrefImplicitLod
:
1894 texop
= nir_texop_tex
;
1897 case SpvOpImageSampleExplicitLod
:
1898 case SpvOpImageSampleDrefExplicitLod
:
1899 case SpvOpImageSampleProjExplicitLod
:
1900 case SpvOpImageSampleProjDrefExplicitLod
:
1901 texop
= nir_texop_txl
;
1904 case SpvOpImageFetch
:
1905 if (glsl_get_sampler_dim(image_type
) == GLSL_SAMPLER_DIM_MS
) {
1906 texop
= nir_texop_txf_ms
;
1908 texop
= nir_texop_txf
;
1912 case SpvOpImageGather
:
1913 case SpvOpImageDrefGather
:
1914 texop
= nir_texop_tg4
;
1917 case SpvOpImageQuerySizeLod
:
1918 case SpvOpImageQuerySize
:
1919 texop
= nir_texop_txs
;
1922 case SpvOpImageQueryLod
:
1923 texop
= nir_texop_lod
;
1926 case SpvOpImageQueryLevels
:
1927 texop
= nir_texop_query_levels
;
1930 case SpvOpImageQuerySamples
:
1931 texop
= nir_texop_texture_samples
;
1935 vtn_fail("Unhandled opcode");
1938 nir_tex_src srcs
[8]; /* 8 should be enough */
1939 nir_tex_src
*p
= srcs
;
1943 struct nir_ssa_def
*coord
;
1944 unsigned coord_components
;
1946 case SpvOpImageSampleImplicitLod
:
1947 case SpvOpImageSampleExplicitLod
:
1948 case SpvOpImageSampleDrefImplicitLod
:
1949 case SpvOpImageSampleDrefExplicitLod
:
1950 case SpvOpImageSampleProjImplicitLod
:
1951 case SpvOpImageSampleProjExplicitLod
:
1952 case SpvOpImageSampleProjDrefImplicitLod
:
1953 case SpvOpImageSampleProjDrefExplicitLod
:
1954 case SpvOpImageFetch
:
1955 case SpvOpImageGather
:
1956 case SpvOpImageDrefGather
:
1957 case SpvOpImageQueryLod
: {
1958 /* All these types have the coordinate as their first real argument */
1959 switch (sampler_dim
) {
1960 case GLSL_SAMPLER_DIM_1D
:
1961 case GLSL_SAMPLER_DIM_BUF
:
1962 coord_components
= 1;
1964 case GLSL_SAMPLER_DIM_2D
:
1965 case GLSL_SAMPLER_DIM_RECT
:
1966 case GLSL_SAMPLER_DIM_MS
:
1967 coord_components
= 2;
1969 case GLSL_SAMPLER_DIM_3D
:
1970 case GLSL_SAMPLER_DIM_CUBE
:
1971 coord_components
= 3;
1974 vtn_fail("Invalid sampler type");
1977 if (is_array
&& texop
!= nir_texop_lod
)
1980 coord
= vtn_ssa_value(b
, w
[idx
++])->def
;
1981 p
->src
= nir_src_for_ssa(nir_channels(&b
->nb
, coord
,
1982 (1 << coord_components
) - 1));
1983 p
->src_type
= nir_tex_src_coord
;
1990 coord_components
= 0;
1995 case SpvOpImageSampleProjImplicitLod
:
1996 case SpvOpImageSampleProjExplicitLod
:
1997 case SpvOpImageSampleProjDrefImplicitLod
:
1998 case SpvOpImageSampleProjDrefExplicitLod
:
1999 /* These have the projector as the last coordinate component */
2000 p
->src
= nir_src_for_ssa(nir_channel(&b
->nb
, coord
, coord_components
));
2001 p
->src_type
= nir_tex_src_projector
;
2009 unsigned gather_component
= 0;
2011 case SpvOpImageSampleDrefImplicitLod
:
2012 case SpvOpImageSampleDrefExplicitLod
:
2013 case SpvOpImageSampleProjDrefImplicitLod
:
2014 case SpvOpImageSampleProjDrefExplicitLod
:
2015 case SpvOpImageDrefGather
:
2016 /* These all have an explicit depth value as their next source */
2017 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_comparator
);
2020 case SpvOpImageGather
:
2021 /* This has a component as its next source */
2023 vtn_value(b
, w
[idx
++], vtn_value_type_constant
)->constant
->values
[0].u32
[0];
2030 /* For OpImageQuerySizeLod, we always have an LOD */
2031 if (opcode
== SpvOpImageQuerySizeLod
)
2032 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2034 /* Now we need to handle some number of optional arguments */
2035 const struct vtn_ssa_value
*gather_offsets
= NULL
;
2037 uint32_t operands
= w
[idx
++];
2039 if (operands
& SpvImageOperandsBiasMask
) {
2040 vtn_assert(texop
== nir_texop_tex
);
2041 texop
= nir_texop_txb
;
2042 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_bias
);
2045 if (operands
& SpvImageOperandsLodMask
) {
2046 vtn_assert(texop
== nir_texop_txl
|| texop
== nir_texop_txf
||
2047 texop
== nir_texop_txs
);
2048 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2051 if (operands
& SpvImageOperandsGradMask
) {
2052 vtn_assert(texop
== nir_texop_txl
);
2053 texop
= nir_texop_txd
;
2054 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddx
);
2055 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddy
);
2058 if (operands
& SpvImageOperandsOffsetMask
||
2059 operands
& SpvImageOperandsConstOffsetMask
)
2060 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_offset
);
2062 if (operands
& SpvImageOperandsConstOffsetsMask
) {
2063 gather_offsets
= vtn_ssa_value(b
, w
[idx
++]);
2064 (*p
++) = (nir_tex_src
){};
2067 if (operands
& SpvImageOperandsSampleMask
) {
2068 vtn_assert(texop
== nir_texop_txf_ms
);
2069 texop
= nir_texop_txf_ms
;
2070 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ms_index
);
2073 /* We should have now consumed exactly all of the arguments */
2074 vtn_assert(idx
== count
);
2076 nir_tex_instr
*instr
= nir_tex_instr_create(b
->shader
, p
- srcs
);
2079 memcpy(instr
->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
2081 instr
->coord_components
= coord_components
;
2082 instr
->sampler_dim
= sampler_dim
;
2083 instr
->is_array
= is_array
;
2084 instr
->is_shadow
= is_shadow
;
2085 instr
->is_new_style_shadow
=
2086 is_shadow
&& glsl_get_components(ret_type
->type
) == 1;
2087 instr
->component
= gather_component
;
2089 switch (glsl_get_sampler_result_type(image_type
)) {
2090 case GLSL_TYPE_FLOAT
: instr
->dest_type
= nir_type_float
; break;
2091 case GLSL_TYPE_INT
: instr
->dest_type
= nir_type_int
; break;
2092 case GLSL_TYPE_UINT
: instr
->dest_type
= nir_type_uint
; break;
2093 case GLSL_TYPE_BOOL
: instr
->dest_type
= nir_type_bool
; break;
2095 vtn_fail("Invalid base type for sampler result");
2098 nir_deref_var
*sampler
= vtn_pointer_to_deref(b
, sampled
.sampler
);
2099 nir_deref_var
*texture
;
2100 if (sampled
.image
) {
2101 nir_deref_var
*image
= vtn_pointer_to_deref(b
, sampled
.image
);
2107 instr
->texture
= nir_deref_var_clone(texture
, instr
);
2109 switch (instr
->op
) {
2115 /* These operations require a sampler */
2116 instr
->sampler
= nir_deref_var_clone(sampler
, instr
);
2119 case nir_texop_txf_ms
:
2122 case nir_texop_query_levels
:
2123 case nir_texop_texture_samples
:
2124 case nir_texop_samples_identical
:
2126 instr
->sampler
= NULL
;
2128 case nir_texop_txf_ms_mcs
:
2129 vtn_fail("unexpected nir_texop_txf_ms_mcs");
2132 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
2133 nir_tex_instr_dest_size(instr
), 32, NULL
);
2135 vtn_assert(glsl_get_vector_elements(ret_type
->type
) ==
2136 nir_tex_instr_dest_size(instr
));
2139 nir_instr
*instruction
;
2140 if (gather_offsets
) {
2141 vtn_assert(glsl_get_base_type(gather_offsets
->type
) == GLSL_TYPE_ARRAY
);
2142 vtn_assert(glsl_get_length(gather_offsets
->type
) == 4);
2143 nir_tex_instr
*instrs
[4] = {instr
, NULL
, NULL
, NULL
};
2145 /* Copy the current instruction 4x */
2146 for (uint32_t i
= 1; i
< 4; i
++) {
2147 instrs
[i
] = nir_tex_instr_create(b
->shader
, instr
->num_srcs
);
2148 instrs
[i
]->op
= instr
->op
;
2149 instrs
[i
]->coord_components
= instr
->coord_components
;
2150 instrs
[i
]->sampler_dim
= instr
->sampler_dim
;
2151 instrs
[i
]->is_array
= instr
->is_array
;
2152 instrs
[i
]->is_shadow
= instr
->is_shadow
;
2153 instrs
[i
]->is_new_style_shadow
= instr
->is_new_style_shadow
;
2154 instrs
[i
]->component
= instr
->component
;
2155 instrs
[i
]->dest_type
= instr
->dest_type
;
2156 instrs
[i
]->texture
= nir_deref_var_clone(texture
, instrs
[i
]);
2157 instrs
[i
]->sampler
= NULL
;
2159 memcpy(instrs
[i
]->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
2161 nir_ssa_dest_init(&instrs
[i
]->instr
, &instrs
[i
]->dest
,
2162 nir_tex_instr_dest_size(instr
), 32, NULL
);
2165 /* Fill in the last argument with the offset from the passed in offsets
2166 * and insert the instruction into the stream.
2168 for (uint32_t i
= 0; i
< 4; i
++) {
2170 src
.src
= nir_src_for_ssa(gather_offsets
->elems
[i
]->def
);
2171 src
.src_type
= nir_tex_src_offset
;
2172 instrs
[i
]->src
[instrs
[i
]->num_srcs
- 1] = src
;
2173 nir_builder_instr_insert(&b
->nb
, &instrs
[i
]->instr
);
2176 /* Combine the results of the 4 instructions by taking their .w
2179 nir_alu_instr
*vec4
= nir_alu_instr_create(b
->shader
, nir_op_vec4
);
2180 nir_ssa_dest_init(&vec4
->instr
, &vec4
->dest
.dest
, 4, 32, NULL
);
2181 vec4
->dest
.write_mask
= 0xf;
2182 for (uint32_t i
= 0; i
< 4; i
++) {
2183 vec4
->src
[i
].src
= nir_src_for_ssa(&instrs
[i
]->dest
.ssa
);
2184 vec4
->src
[i
].swizzle
[0] = 3;
2186 def
= &vec4
->dest
.dest
.ssa
;
2187 instruction
= &vec4
->instr
;
2189 def
= &instr
->dest
.ssa
;
2190 instruction
= &instr
->instr
;
2193 val
->ssa
= vtn_create_ssa_value(b
, ret_type
->type
);
2194 val
->ssa
->def
= def
;
2196 nir_builder_instr_insert(&b
->nb
, instruction
);
2200 fill_common_atomic_sources(struct vtn_builder
*b
, SpvOp opcode
,
2201 const uint32_t *w
, nir_src
*src
)
2204 case SpvOpAtomicIIncrement
:
2205 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, 1));
2208 case SpvOpAtomicIDecrement
:
2209 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, -1));
2212 case SpvOpAtomicISub
:
2214 nir_src_for_ssa(nir_ineg(&b
->nb
, vtn_ssa_value(b
, w
[6])->def
));
2217 case SpvOpAtomicCompareExchange
:
2218 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[8])->def
);
2219 src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[7])->def
);
2222 case SpvOpAtomicExchange
:
2223 case SpvOpAtomicIAdd
:
2224 case SpvOpAtomicSMin
:
2225 case SpvOpAtomicUMin
:
2226 case SpvOpAtomicSMax
:
2227 case SpvOpAtomicUMax
:
2228 case SpvOpAtomicAnd
:
2230 case SpvOpAtomicXor
:
2231 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[6])->def
);
2235 vtn_fail("Invalid SPIR-V atomic");
2239 static nir_ssa_def
*
2240 get_image_coord(struct vtn_builder
*b
, uint32_t value
)
2242 struct vtn_ssa_value
*coord
= vtn_ssa_value(b
, value
);
2244 /* The image_load_store intrinsics assume a 4-dim coordinate */
2245 unsigned dim
= glsl_get_vector_elements(coord
->type
);
2246 unsigned swizzle
[4];
2247 for (unsigned i
= 0; i
< 4; i
++)
2248 swizzle
[i
] = MIN2(i
, dim
- 1);
2250 return nir_swizzle(&b
->nb
, coord
->def
, swizzle
, 4, false);
2254 vtn_handle_image(struct vtn_builder
*b
, SpvOp opcode
,
2255 const uint32_t *w
, unsigned count
)
2257 /* Just get this one out of the way */
2258 if (opcode
== SpvOpImageTexelPointer
) {
2259 struct vtn_value
*val
=
2260 vtn_push_value(b
, w
[2], vtn_value_type_image_pointer
);
2261 val
->image
= ralloc(b
, struct vtn_image_pointer
);
2263 val
->image
->image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2264 val
->image
->coord
= get_image_coord(b
, w
[4]);
2265 val
->image
->sample
= vtn_ssa_value(b
, w
[5])->def
;
2269 struct vtn_image_pointer image
;
2272 case SpvOpAtomicExchange
:
2273 case SpvOpAtomicCompareExchange
:
2274 case SpvOpAtomicCompareExchangeWeak
:
2275 case SpvOpAtomicIIncrement
:
2276 case SpvOpAtomicIDecrement
:
2277 case SpvOpAtomicIAdd
:
2278 case SpvOpAtomicISub
:
2279 case SpvOpAtomicLoad
:
2280 case SpvOpAtomicSMin
:
2281 case SpvOpAtomicUMin
:
2282 case SpvOpAtomicSMax
:
2283 case SpvOpAtomicUMax
:
2284 case SpvOpAtomicAnd
:
2286 case SpvOpAtomicXor
:
2287 image
= *vtn_value(b
, w
[3], vtn_value_type_image_pointer
)->image
;
2290 case SpvOpAtomicStore
:
2291 image
= *vtn_value(b
, w
[1], vtn_value_type_image_pointer
)->image
;
2294 case SpvOpImageQuerySize
:
2295 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2297 image
.sample
= NULL
;
2300 case SpvOpImageRead
:
2301 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2302 image
.coord
= get_image_coord(b
, w
[4]);
2304 if (count
> 5 && (w
[5] & SpvImageOperandsSampleMask
)) {
2305 vtn_assert(w
[5] == SpvImageOperandsSampleMask
);
2306 image
.sample
= vtn_ssa_value(b
, w
[6])->def
;
2308 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2312 case SpvOpImageWrite
:
2313 image
.image
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2314 image
.coord
= get_image_coord(b
, w
[2]);
2318 if (count
> 4 && (w
[4] & SpvImageOperandsSampleMask
)) {
2319 vtn_assert(w
[4] == SpvImageOperandsSampleMask
);
2320 image
.sample
= vtn_ssa_value(b
, w
[5])->def
;
2322 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2327 vtn_fail("Invalid image opcode");
2330 nir_intrinsic_op op
;
2332 #define OP(S, N) case SpvOp##S: op = nir_intrinsic_image_##N; break;
2333 OP(ImageQuerySize
, size
)
2335 OP(ImageWrite
, store
)
2336 OP(AtomicLoad
, load
)
2337 OP(AtomicStore
, store
)
2338 OP(AtomicExchange
, atomic_exchange
)
2339 OP(AtomicCompareExchange
, atomic_comp_swap
)
2340 OP(AtomicIIncrement
, atomic_add
)
2341 OP(AtomicIDecrement
, atomic_add
)
2342 OP(AtomicIAdd
, atomic_add
)
2343 OP(AtomicISub
, atomic_add
)
2344 OP(AtomicSMin
, atomic_min
)
2345 OP(AtomicUMin
, atomic_min
)
2346 OP(AtomicSMax
, atomic_max
)
2347 OP(AtomicUMax
, atomic_max
)
2348 OP(AtomicAnd
, atomic_and
)
2349 OP(AtomicOr
, atomic_or
)
2350 OP(AtomicXor
, atomic_xor
)
2353 vtn_fail("Invalid image opcode");
2356 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
2358 nir_deref_var
*image_deref
= vtn_pointer_to_deref(b
, image
.image
);
2359 intrin
->variables
[0] = nir_deref_var_clone(image_deref
, intrin
);
2361 /* ImageQuerySize doesn't take any extra parameters */
2362 if (opcode
!= SpvOpImageQuerySize
) {
2363 /* The image coordinate is always 4 components but we may not have that
2364 * many. Swizzle to compensate.
2367 for (unsigned i
= 0; i
< 4; i
++)
2368 swiz
[i
] = i
< image
.coord
->num_components
? i
: 0;
2369 intrin
->src
[0] = nir_src_for_ssa(nir_swizzle(&b
->nb
, image
.coord
,
2371 intrin
->src
[1] = nir_src_for_ssa(image
.sample
);
2375 case SpvOpAtomicLoad
:
2376 case SpvOpImageQuerySize
:
2377 case SpvOpImageRead
:
2379 case SpvOpAtomicStore
:
2380 intrin
->src
[2] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2382 case SpvOpImageWrite
:
2383 intrin
->src
[2] = nir_src_for_ssa(vtn_ssa_value(b
, w
[3])->def
);
2386 case SpvOpAtomicCompareExchange
:
2387 case SpvOpAtomicIIncrement
:
2388 case SpvOpAtomicIDecrement
:
2389 case SpvOpAtomicExchange
:
2390 case SpvOpAtomicIAdd
:
2391 case SpvOpAtomicISub
:
2392 case SpvOpAtomicSMin
:
2393 case SpvOpAtomicUMin
:
2394 case SpvOpAtomicSMax
:
2395 case SpvOpAtomicUMax
:
2396 case SpvOpAtomicAnd
:
2398 case SpvOpAtomicXor
:
2399 fill_common_atomic_sources(b
, opcode
, w
, &intrin
->src
[2]);
2403 vtn_fail("Invalid image opcode");
2406 if (opcode
!= SpvOpImageWrite
) {
2407 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2408 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2410 unsigned dest_components
=
2411 nir_intrinsic_infos
[intrin
->intrinsic
].dest_components
;
2412 if (intrin
->intrinsic
== nir_intrinsic_image_size
) {
2413 dest_components
= intrin
->num_components
=
2414 glsl_get_vector_elements(type
->type
);
2417 nir_ssa_dest_init(&intrin
->instr
, &intrin
->dest
,
2418 dest_components
, 32, NULL
);
2420 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2422 val
->ssa
= vtn_create_ssa_value(b
, type
->type
);
2423 val
->ssa
->def
= &intrin
->dest
.ssa
;
2425 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2429 static nir_intrinsic_op
2430 get_ssbo_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2433 case SpvOpAtomicLoad
: return nir_intrinsic_load_ssbo
;
2434 case SpvOpAtomicStore
: return nir_intrinsic_store_ssbo
;
2435 #define OP(S, N) case SpvOp##S: return nir_intrinsic_ssbo_##N;
2436 OP(AtomicExchange
, atomic_exchange
)
2437 OP(AtomicCompareExchange
, atomic_comp_swap
)
2438 OP(AtomicIIncrement
, atomic_add
)
2439 OP(AtomicIDecrement
, atomic_add
)
2440 OP(AtomicIAdd
, atomic_add
)
2441 OP(AtomicISub
, atomic_add
)
2442 OP(AtomicSMin
, atomic_imin
)
2443 OP(AtomicUMin
, atomic_umin
)
2444 OP(AtomicSMax
, atomic_imax
)
2445 OP(AtomicUMax
, atomic_umax
)
2446 OP(AtomicAnd
, atomic_and
)
2447 OP(AtomicOr
, atomic_or
)
2448 OP(AtomicXor
, atomic_xor
)
2451 vtn_fail("Invalid SSBO atomic");
2455 static nir_intrinsic_op
2456 get_shared_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2459 case SpvOpAtomicLoad
: return nir_intrinsic_load_shared
;
2460 case SpvOpAtomicStore
: return nir_intrinsic_store_shared
;
2461 #define OP(S, N) case SpvOp##S: return nir_intrinsic_shared_##N;
2462 OP(AtomicExchange
, atomic_exchange
)
2463 OP(AtomicCompareExchange
, atomic_comp_swap
)
2464 OP(AtomicIIncrement
, atomic_add
)
2465 OP(AtomicIDecrement
, atomic_add
)
2466 OP(AtomicIAdd
, atomic_add
)
2467 OP(AtomicISub
, atomic_add
)
2468 OP(AtomicSMin
, atomic_imin
)
2469 OP(AtomicUMin
, atomic_umin
)
2470 OP(AtomicSMax
, atomic_imax
)
2471 OP(AtomicUMax
, atomic_umax
)
2472 OP(AtomicAnd
, atomic_and
)
2473 OP(AtomicOr
, atomic_or
)
2474 OP(AtomicXor
, atomic_xor
)
2477 vtn_fail("Invalid shared atomic");
2481 static nir_intrinsic_op
2482 get_var_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2485 case SpvOpAtomicLoad
: return nir_intrinsic_load_var
;
2486 case SpvOpAtomicStore
: return nir_intrinsic_store_var
;
2487 #define OP(S, N) case SpvOp##S: return nir_intrinsic_var_##N;
2488 OP(AtomicExchange
, atomic_exchange
)
2489 OP(AtomicCompareExchange
, atomic_comp_swap
)
2490 OP(AtomicIIncrement
, atomic_add
)
2491 OP(AtomicIDecrement
, atomic_add
)
2492 OP(AtomicIAdd
, atomic_add
)
2493 OP(AtomicISub
, atomic_add
)
2494 OP(AtomicSMin
, atomic_imin
)
2495 OP(AtomicUMin
, atomic_umin
)
2496 OP(AtomicSMax
, atomic_imax
)
2497 OP(AtomicUMax
, atomic_umax
)
2498 OP(AtomicAnd
, atomic_and
)
2499 OP(AtomicOr
, atomic_or
)
2500 OP(AtomicXor
, atomic_xor
)
2503 vtn_fail("Invalid shared atomic");
2508 vtn_handle_ssbo_or_shared_atomic(struct vtn_builder
*b
, SpvOp opcode
,
2509 const uint32_t *w
, unsigned count
)
2511 struct vtn_pointer
*ptr
;
2512 nir_intrinsic_instr
*atomic
;
2515 case SpvOpAtomicLoad
:
2516 case SpvOpAtomicExchange
:
2517 case SpvOpAtomicCompareExchange
:
2518 case SpvOpAtomicCompareExchangeWeak
:
2519 case SpvOpAtomicIIncrement
:
2520 case SpvOpAtomicIDecrement
:
2521 case SpvOpAtomicIAdd
:
2522 case SpvOpAtomicISub
:
2523 case SpvOpAtomicSMin
:
2524 case SpvOpAtomicUMin
:
2525 case SpvOpAtomicSMax
:
2526 case SpvOpAtomicUMax
:
2527 case SpvOpAtomicAnd
:
2529 case SpvOpAtomicXor
:
2530 ptr
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2533 case SpvOpAtomicStore
:
2534 ptr
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2538 vtn_fail("Invalid SPIR-V atomic");
2542 SpvScope scope = w[4];
2543 SpvMemorySemanticsMask semantics = w[5];
2546 if (ptr
->mode
== vtn_variable_mode_workgroup
&&
2547 !b
->options
->lower_workgroup_access_to_offsets
) {
2548 nir_deref_var
*deref
= vtn_pointer_to_deref(b
, ptr
);
2549 const struct glsl_type
*deref_type
= nir_deref_tail(&deref
->deref
)->type
;
2550 nir_intrinsic_op op
= get_var_nir_atomic_op(b
, opcode
);
2551 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2552 atomic
->variables
[0] = nir_deref_var_clone(deref
, atomic
);
2555 case SpvOpAtomicLoad
:
2556 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2559 case SpvOpAtomicStore
:
2560 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2561 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2562 atomic
->src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2565 case SpvOpAtomicExchange
:
2566 case SpvOpAtomicCompareExchange
:
2567 case SpvOpAtomicCompareExchangeWeak
:
2568 case SpvOpAtomicIIncrement
:
2569 case SpvOpAtomicIDecrement
:
2570 case SpvOpAtomicIAdd
:
2571 case SpvOpAtomicISub
:
2572 case SpvOpAtomicSMin
:
2573 case SpvOpAtomicUMin
:
2574 case SpvOpAtomicSMax
:
2575 case SpvOpAtomicUMax
:
2576 case SpvOpAtomicAnd
:
2578 case SpvOpAtomicXor
:
2579 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[0]);
2583 vtn_fail("Invalid SPIR-V atomic");
2587 nir_ssa_def
*offset
, *index
;
2588 offset
= vtn_pointer_to_offset(b
, ptr
, &index
, NULL
);
2590 nir_intrinsic_op op
;
2591 if (ptr
->mode
== vtn_variable_mode_ssbo
) {
2592 op
= get_ssbo_nir_atomic_op(b
, opcode
);
2594 vtn_assert(ptr
->mode
== vtn_variable_mode_workgroup
&&
2595 b
->options
->lower_workgroup_access_to_offsets
);
2596 op
= get_shared_nir_atomic_op(b
, opcode
);
2599 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2603 case SpvOpAtomicLoad
:
2604 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2605 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2606 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2607 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2610 case SpvOpAtomicStore
:
2611 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2612 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2613 atomic
->src
[src
++] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2614 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2615 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2616 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2619 case SpvOpAtomicExchange
:
2620 case SpvOpAtomicCompareExchange
:
2621 case SpvOpAtomicCompareExchangeWeak
:
2622 case SpvOpAtomicIIncrement
:
2623 case SpvOpAtomicIDecrement
:
2624 case SpvOpAtomicIAdd
:
2625 case SpvOpAtomicISub
:
2626 case SpvOpAtomicSMin
:
2627 case SpvOpAtomicUMin
:
2628 case SpvOpAtomicSMax
:
2629 case SpvOpAtomicUMax
:
2630 case SpvOpAtomicAnd
:
2632 case SpvOpAtomicXor
:
2633 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2634 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2635 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2636 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[src
]);
2640 vtn_fail("Invalid SPIR-V atomic");
2644 if (opcode
!= SpvOpAtomicStore
) {
2645 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2647 nir_ssa_dest_init(&atomic
->instr
, &atomic
->dest
,
2648 glsl_get_vector_elements(type
->type
),
2649 glsl_get_bit_size(type
->type
), NULL
);
2651 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2652 val
->ssa
= rzalloc(b
, struct vtn_ssa_value
);
2653 val
->ssa
->def
= &atomic
->dest
.ssa
;
2654 val
->ssa
->type
= type
->type
;
2657 nir_builder_instr_insert(&b
->nb
, &atomic
->instr
);
2660 static nir_alu_instr
*
2661 create_vec(struct vtn_builder
*b
, unsigned num_components
, unsigned bit_size
)
2664 switch (num_components
) {
2665 case 1: op
= nir_op_fmov
; break;
2666 case 2: op
= nir_op_vec2
; break;
2667 case 3: op
= nir_op_vec3
; break;
2668 case 4: op
= nir_op_vec4
; break;
2669 default: vtn_fail("bad vector size");
2672 nir_alu_instr
*vec
= nir_alu_instr_create(b
->shader
, op
);
2673 nir_ssa_dest_init(&vec
->instr
, &vec
->dest
.dest
, num_components
,
2675 vec
->dest
.write_mask
= (1 << num_components
) - 1;
2680 struct vtn_ssa_value
*
2681 vtn_ssa_transpose(struct vtn_builder
*b
, struct vtn_ssa_value
*src
)
2683 if (src
->transposed
)
2684 return src
->transposed
;
2686 struct vtn_ssa_value
*dest
=
2687 vtn_create_ssa_value(b
, glsl_transposed_type(src
->type
));
2689 for (unsigned i
= 0; i
< glsl_get_matrix_columns(dest
->type
); i
++) {
2690 nir_alu_instr
*vec
= create_vec(b
, glsl_get_matrix_columns(src
->type
),
2691 glsl_get_bit_size(src
->type
));
2692 if (glsl_type_is_vector_or_scalar(src
->type
)) {
2693 vec
->src
[0].src
= nir_src_for_ssa(src
->def
);
2694 vec
->src
[0].swizzle
[0] = i
;
2696 for (unsigned j
= 0; j
< glsl_get_matrix_columns(src
->type
); j
++) {
2697 vec
->src
[j
].src
= nir_src_for_ssa(src
->elems
[j
]->def
);
2698 vec
->src
[j
].swizzle
[0] = i
;
2701 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2702 dest
->elems
[i
]->def
= &vec
->dest
.dest
.ssa
;
2705 dest
->transposed
= src
;
2711 vtn_vector_extract(struct vtn_builder
*b
, nir_ssa_def
*src
, unsigned index
)
2713 unsigned swiz
[4] = { index
};
2714 return nir_swizzle(&b
->nb
, src
, swiz
, 1, true);
2718 vtn_vector_insert(struct vtn_builder
*b
, nir_ssa_def
*src
, nir_ssa_def
*insert
,
2721 nir_alu_instr
*vec
= create_vec(b
, src
->num_components
,
2724 for (unsigned i
= 0; i
< src
->num_components
; i
++) {
2726 vec
->src
[i
].src
= nir_src_for_ssa(insert
);
2728 vec
->src
[i
].src
= nir_src_for_ssa(src
);
2729 vec
->src
[i
].swizzle
[0] = i
;
2733 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2735 return &vec
->dest
.dest
.ssa
;
2739 vtn_vector_extract_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
2742 nir_ssa_def
*dest
= vtn_vector_extract(b
, src
, 0);
2743 for (unsigned i
= 1; i
< src
->num_components
; i
++)
2744 dest
= nir_bcsel(&b
->nb
, nir_ieq(&b
->nb
, index
, nir_imm_int(&b
->nb
, i
)),
2745 vtn_vector_extract(b
, src
, i
), dest
);
2751 vtn_vector_insert_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
2752 nir_ssa_def
*insert
, nir_ssa_def
*index
)
2754 nir_ssa_def
*dest
= vtn_vector_insert(b
, src
, insert
, 0);
2755 for (unsigned i
= 1; i
< src
->num_components
; i
++)
2756 dest
= nir_bcsel(&b
->nb
, nir_ieq(&b
->nb
, index
, nir_imm_int(&b
->nb
, i
)),
2757 vtn_vector_insert(b
, src
, insert
, i
), dest
);
2762 static nir_ssa_def
*
2763 vtn_vector_shuffle(struct vtn_builder
*b
, unsigned num_components
,
2764 nir_ssa_def
*src0
, nir_ssa_def
*src1
,
2765 const uint32_t *indices
)
2767 nir_alu_instr
*vec
= create_vec(b
, num_components
, src0
->bit_size
);
2769 for (unsigned i
= 0; i
< num_components
; i
++) {
2770 uint32_t index
= indices
[i
];
2771 if (index
== 0xffffffff) {
2773 nir_src_for_ssa(nir_ssa_undef(&b
->nb
, 1, src0
->bit_size
));
2774 } else if (index
< src0
->num_components
) {
2775 vec
->src
[i
].src
= nir_src_for_ssa(src0
);
2776 vec
->src
[i
].swizzle
[0] = index
;
2778 vec
->src
[i
].src
= nir_src_for_ssa(src1
);
2779 vec
->src
[i
].swizzle
[0] = index
- src0
->num_components
;
2783 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2785 return &vec
->dest
.dest
.ssa
;
2789 * Concatentates a number of vectors/scalars together to produce a vector
2791 static nir_ssa_def
*
2792 vtn_vector_construct(struct vtn_builder
*b
, unsigned num_components
,
2793 unsigned num_srcs
, nir_ssa_def
**srcs
)
2795 nir_alu_instr
*vec
= create_vec(b
, num_components
, srcs
[0]->bit_size
);
2797 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
2799 * "When constructing a vector, there must be at least two Constituent
2802 vtn_assert(num_srcs
>= 2);
2804 unsigned dest_idx
= 0;
2805 for (unsigned i
= 0; i
< num_srcs
; i
++) {
2806 nir_ssa_def
*src
= srcs
[i
];
2807 vtn_assert(dest_idx
+ src
->num_components
<= num_components
);
2808 for (unsigned j
= 0; j
< src
->num_components
; j
++) {
2809 vec
->src
[dest_idx
].src
= nir_src_for_ssa(src
);
2810 vec
->src
[dest_idx
].swizzle
[0] = j
;
2815 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
2817 * "When constructing a vector, the total number of components in all
2818 * the operands must equal the number of components in Result Type."
2820 vtn_assert(dest_idx
== num_components
);
2822 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2824 return &vec
->dest
.dest
.ssa
;
2827 static struct vtn_ssa_value
*
2828 vtn_composite_copy(void *mem_ctx
, struct vtn_ssa_value
*src
)
2830 struct vtn_ssa_value
*dest
= rzalloc(mem_ctx
, struct vtn_ssa_value
);
2831 dest
->type
= src
->type
;
2833 if (glsl_type_is_vector_or_scalar(src
->type
)) {
2834 dest
->def
= src
->def
;
2836 unsigned elems
= glsl_get_length(src
->type
);
2838 dest
->elems
= ralloc_array(mem_ctx
, struct vtn_ssa_value
*, elems
);
2839 for (unsigned i
= 0; i
< elems
; i
++)
2840 dest
->elems
[i
] = vtn_composite_copy(mem_ctx
, src
->elems
[i
]);
2846 static struct vtn_ssa_value
*
2847 vtn_composite_insert(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
2848 struct vtn_ssa_value
*insert
, const uint32_t *indices
,
2849 unsigned num_indices
)
2851 struct vtn_ssa_value
*dest
= vtn_composite_copy(b
, src
);
2853 struct vtn_ssa_value
*cur
= dest
;
2855 for (i
= 0; i
< num_indices
- 1; i
++) {
2856 cur
= cur
->elems
[indices
[i
]];
2859 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
2860 /* According to the SPIR-V spec, OpCompositeInsert may work down to
2861 * the component granularity. In that case, the last index will be
2862 * the index to insert the scalar into the vector.
2865 cur
->def
= vtn_vector_insert(b
, cur
->def
, insert
->def
, indices
[i
]);
2867 cur
->elems
[indices
[i
]] = insert
;
2873 static struct vtn_ssa_value
*
2874 vtn_composite_extract(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
2875 const uint32_t *indices
, unsigned num_indices
)
2877 struct vtn_ssa_value
*cur
= src
;
2878 for (unsigned i
= 0; i
< num_indices
; i
++) {
2879 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
2880 vtn_assert(i
== num_indices
- 1);
2881 /* According to the SPIR-V spec, OpCompositeExtract may work down to
2882 * the component granularity. The last index will be the index of the
2883 * vector to extract.
2886 struct vtn_ssa_value
*ret
= rzalloc(b
, struct vtn_ssa_value
);
2887 ret
->type
= glsl_scalar_type(glsl_get_base_type(cur
->type
));
2888 ret
->def
= vtn_vector_extract(b
, cur
->def
, indices
[i
]);
2891 cur
= cur
->elems
[indices
[i
]];
2899 vtn_handle_composite(struct vtn_builder
*b
, SpvOp opcode
,
2900 const uint32_t *w
, unsigned count
)
2902 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2903 const struct glsl_type
*type
=
2904 vtn_value(b
, w
[1], vtn_value_type_type
)->type
->type
;
2905 val
->ssa
= vtn_create_ssa_value(b
, type
);
2908 case SpvOpVectorExtractDynamic
:
2909 val
->ssa
->def
= vtn_vector_extract_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
2910 vtn_ssa_value(b
, w
[4])->def
);
2913 case SpvOpVectorInsertDynamic
:
2914 val
->ssa
->def
= vtn_vector_insert_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
2915 vtn_ssa_value(b
, w
[4])->def
,
2916 vtn_ssa_value(b
, w
[5])->def
);
2919 case SpvOpVectorShuffle
:
2920 val
->ssa
->def
= vtn_vector_shuffle(b
, glsl_get_vector_elements(type
),
2921 vtn_ssa_value(b
, w
[3])->def
,
2922 vtn_ssa_value(b
, w
[4])->def
,
2926 case SpvOpCompositeConstruct
: {
2927 unsigned elems
= count
- 3;
2928 if (glsl_type_is_vector_or_scalar(type
)) {
2929 nir_ssa_def
*srcs
[4];
2930 for (unsigned i
= 0; i
< elems
; i
++)
2931 srcs
[i
] = vtn_ssa_value(b
, w
[3 + i
])->def
;
2933 vtn_vector_construct(b
, glsl_get_vector_elements(type
),
2936 val
->ssa
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
2937 for (unsigned i
= 0; i
< elems
; i
++)
2938 val
->ssa
->elems
[i
] = vtn_ssa_value(b
, w
[3 + i
]);
2942 case SpvOpCompositeExtract
:
2943 val
->ssa
= vtn_composite_extract(b
, vtn_ssa_value(b
, w
[3]),
2947 case SpvOpCompositeInsert
:
2948 val
->ssa
= vtn_composite_insert(b
, vtn_ssa_value(b
, w
[4]),
2949 vtn_ssa_value(b
, w
[3]),
2953 case SpvOpCopyObject
:
2954 val
->ssa
= vtn_composite_copy(b
, vtn_ssa_value(b
, w
[3]));
2958 vtn_fail("unknown composite operation");
2963 vtn_emit_barrier(struct vtn_builder
*b
, nir_intrinsic_op op
)
2965 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
2966 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2970 vtn_emit_memory_barrier(struct vtn_builder
*b
, SpvScope scope
,
2971 SpvMemorySemanticsMask semantics
)
2973 static const SpvMemorySemanticsMask all_memory_semantics
=
2974 SpvMemorySemanticsUniformMemoryMask
|
2975 SpvMemorySemanticsWorkgroupMemoryMask
|
2976 SpvMemorySemanticsAtomicCounterMemoryMask
|
2977 SpvMemorySemanticsImageMemoryMask
;
2979 /* If we're not actually doing a memory barrier, bail */
2980 if (!(semantics
& all_memory_semantics
))
2983 /* GL and Vulkan don't have these */
2984 vtn_assert(scope
!= SpvScopeCrossDevice
);
2986 if (scope
== SpvScopeSubgroup
)
2987 return; /* Nothing to do here */
2989 if (scope
== SpvScopeWorkgroup
) {
2990 vtn_emit_barrier(b
, nir_intrinsic_group_memory_barrier
);
2994 /* There's only two scopes thing left */
2995 vtn_assert(scope
== SpvScopeInvocation
|| scope
== SpvScopeDevice
);
2997 if ((semantics
& all_memory_semantics
) == all_memory_semantics
) {
2998 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier
);
3002 /* Issue a bunch of more specific barriers */
3003 uint32_t bits
= semantics
;
3005 SpvMemorySemanticsMask semantic
= 1 << u_bit_scan(&bits
);
3007 case SpvMemorySemanticsUniformMemoryMask
:
3008 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_buffer
);
3010 case SpvMemorySemanticsWorkgroupMemoryMask
:
3011 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_shared
);
3013 case SpvMemorySemanticsAtomicCounterMemoryMask
:
3014 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_atomic_counter
);
3016 case SpvMemorySemanticsImageMemoryMask
:
3017 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_image
);
3026 vtn_handle_barrier(struct vtn_builder
*b
, SpvOp opcode
,
3027 const uint32_t *w
, unsigned count
)
3030 case SpvOpEmitVertex
:
3031 case SpvOpEmitStreamVertex
:
3032 case SpvOpEndPrimitive
:
3033 case SpvOpEndStreamPrimitive
: {
3034 nir_intrinsic_op intrinsic_op
;
3036 case SpvOpEmitVertex
:
3037 case SpvOpEmitStreamVertex
:
3038 intrinsic_op
= nir_intrinsic_emit_vertex
;
3040 case SpvOpEndPrimitive
:
3041 case SpvOpEndStreamPrimitive
:
3042 intrinsic_op
= nir_intrinsic_end_primitive
;
3045 unreachable("Invalid opcode");
3048 nir_intrinsic_instr
*intrin
=
3049 nir_intrinsic_instr_create(b
->shader
, intrinsic_op
);
3052 case SpvOpEmitStreamVertex
:
3053 case SpvOpEndStreamPrimitive
:
3054 nir_intrinsic_set_stream_id(intrin
, w
[1]);
3060 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3064 case SpvOpMemoryBarrier
: {
3065 SpvScope scope
= vtn_constant_value(b
, w
[1])->values
[0].u32
[0];
3066 SpvMemorySemanticsMask semantics
=
3067 vtn_constant_value(b
, w
[2])->values
[0].u32
[0];
3068 vtn_emit_memory_barrier(b
, scope
, semantics
);
3072 case SpvOpControlBarrier
: {
3073 SpvScope execution_scope
=
3074 vtn_constant_value(b
, w
[1])->values
[0].u32
[0];
3075 if (execution_scope
== SpvScopeWorkgroup
)
3076 vtn_emit_barrier(b
, nir_intrinsic_barrier
);
3078 SpvScope memory_scope
=
3079 vtn_constant_value(b
, w
[2])->values
[0].u32
[0];
3080 SpvMemorySemanticsMask memory_semantics
=
3081 vtn_constant_value(b
, w
[3])->values
[0].u32
[0];
3082 vtn_emit_memory_barrier(b
, memory_scope
, memory_semantics
);
3087 unreachable("unknown barrier instruction");
3092 gl_primitive_from_spv_execution_mode(struct vtn_builder
*b
,
3093 SpvExecutionMode mode
)
3096 case SpvExecutionModeInputPoints
:
3097 case SpvExecutionModeOutputPoints
:
3098 return 0; /* GL_POINTS */
3099 case SpvExecutionModeInputLines
:
3100 return 1; /* GL_LINES */
3101 case SpvExecutionModeInputLinesAdjacency
:
3102 return 0x000A; /* GL_LINE_STRIP_ADJACENCY_ARB */
3103 case SpvExecutionModeTriangles
:
3104 return 4; /* GL_TRIANGLES */
3105 case SpvExecutionModeInputTrianglesAdjacency
:
3106 return 0x000C; /* GL_TRIANGLES_ADJACENCY_ARB */
3107 case SpvExecutionModeQuads
:
3108 return 7; /* GL_QUADS */
3109 case SpvExecutionModeIsolines
:
3110 return 0x8E7A; /* GL_ISOLINES */
3111 case SpvExecutionModeOutputLineStrip
:
3112 return 3; /* GL_LINE_STRIP */
3113 case SpvExecutionModeOutputTriangleStrip
:
3114 return 5; /* GL_TRIANGLE_STRIP */
3116 vtn_fail("Invalid primitive type");
3121 vertices_in_from_spv_execution_mode(struct vtn_builder
*b
,
3122 SpvExecutionMode mode
)
3125 case SpvExecutionModeInputPoints
:
3127 case SpvExecutionModeInputLines
:
3129 case SpvExecutionModeInputLinesAdjacency
:
3131 case SpvExecutionModeTriangles
:
3133 case SpvExecutionModeInputTrianglesAdjacency
:
3136 vtn_fail("Invalid GS input mode");
3140 static gl_shader_stage
3141 stage_for_execution_model(struct vtn_builder
*b
, SpvExecutionModel model
)
3144 case SpvExecutionModelVertex
:
3145 return MESA_SHADER_VERTEX
;
3146 case SpvExecutionModelTessellationControl
:
3147 return MESA_SHADER_TESS_CTRL
;
3148 case SpvExecutionModelTessellationEvaluation
:
3149 return MESA_SHADER_TESS_EVAL
;
3150 case SpvExecutionModelGeometry
:
3151 return MESA_SHADER_GEOMETRY
;
3152 case SpvExecutionModelFragment
:
3153 return MESA_SHADER_FRAGMENT
;
3154 case SpvExecutionModelGLCompute
:
3155 return MESA_SHADER_COMPUTE
;
3157 vtn_fail("Unsupported execution model");
3161 #define spv_check_supported(name, cap) do { \
3162 if (!(b->options && b->options->caps.name)) \
3163 vtn_warn("Unsupported SPIR-V capability: %s", \
3164 spirv_capability_to_string(cap)); \
3168 vtn_handle_preamble_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3169 const uint32_t *w
, unsigned count
)
3176 case SpvSourceLanguageUnknown
: lang
= "unknown"; break;
3177 case SpvSourceLanguageESSL
: lang
= "ESSL"; break;
3178 case SpvSourceLanguageGLSL
: lang
= "GLSL"; break;
3179 case SpvSourceLanguageOpenCL_C
: lang
= "OpenCL C"; break;
3180 case SpvSourceLanguageOpenCL_CPP
: lang
= "OpenCL C++"; break;
3181 case SpvSourceLanguageHLSL
: lang
= "HLSL"; break;
3184 uint32_t version
= w
[2];
3187 (count
> 3) ? vtn_value(b
, w
[3], vtn_value_type_string
)->str
: "";
3189 vtn_info("Parsing SPIR-V from %s %u source file %s", lang
, version
, file
);
3193 case SpvOpSourceExtension
:
3194 case SpvOpSourceContinued
:
3195 case SpvOpExtension
:
3196 case SpvOpModuleProcessed
:
3197 /* Unhandled, but these are for debug so that's ok. */
3200 case SpvOpCapability
: {
3201 SpvCapability cap
= w
[1];
3203 case SpvCapabilityMatrix
:
3204 case SpvCapabilityShader
:
3205 case SpvCapabilityGeometry
:
3206 case SpvCapabilityGeometryPointSize
:
3207 case SpvCapabilityUniformBufferArrayDynamicIndexing
:
3208 case SpvCapabilitySampledImageArrayDynamicIndexing
:
3209 case SpvCapabilityStorageBufferArrayDynamicIndexing
:
3210 case SpvCapabilityStorageImageArrayDynamicIndexing
:
3211 case SpvCapabilityImageRect
:
3212 case SpvCapabilitySampledRect
:
3213 case SpvCapabilitySampled1D
:
3214 case SpvCapabilityImage1D
:
3215 case SpvCapabilitySampledCubeArray
:
3216 case SpvCapabilityImageCubeArray
:
3217 case SpvCapabilitySampledBuffer
:
3218 case SpvCapabilityImageBuffer
:
3219 case SpvCapabilityImageQuery
:
3220 case SpvCapabilityDerivativeControl
:
3221 case SpvCapabilityInterpolationFunction
:
3222 case SpvCapabilityMultiViewport
:
3223 case SpvCapabilitySampleRateShading
:
3224 case SpvCapabilityClipDistance
:
3225 case SpvCapabilityCullDistance
:
3226 case SpvCapabilityInputAttachment
:
3227 case SpvCapabilityImageGatherExtended
:
3228 case SpvCapabilityStorageImageExtendedFormats
:
3231 case SpvCapabilityGeometryStreams
:
3232 case SpvCapabilityLinkage
:
3233 case SpvCapabilityVector16
:
3234 case SpvCapabilityFloat16Buffer
:
3235 case SpvCapabilityFloat16
:
3236 case SpvCapabilityInt64Atomics
:
3237 case SpvCapabilityAtomicStorage
:
3238 case SpvCapabilityInt16
:
3239 case SpvCapabilityStorageImageMultisample
:
3240 case SpvCapabilityInt8
:
3241 case SpvCapabilitySparseResidency
:
3242 case SpvCapabilityMinLod
:
3243 case SpvCapabilityTransformFeedback
:
3244 vtn_warn("Unsupported SPIR-V capability: %s",
3245 spirv_capability_to_string(cap
));
3248 case SpvCapabilityFloat64
:
3249 spv_check_supported(float64
, cap
);
3251 case SpvCapabilityInt64
:
3252 spv_check_supported(int64
, cap
);
3255 case SpvCapabilityAddresses
:
3256 case SpvCapabilityKernel
:
3257 case SpvCapabilityImageBasic
:
3258 case SpvCapabilityImageReadWrite
:
3259 case SpvCapabilityImageMipmap
:
3260 case SpvCapabilityPipes
:
3261 case SpvCapabilityGroups
:
3262 case SpvCapabilityDeviceEnqueue
:
3263 case SpvCapabilityLiteralSampler
:
3264 case SpvCapabilityGenericPointer
:
3265 vtn_warn("Unsupported OpenCL-style SPIR-V capability: %s",
3266 spirv_capability_to_string(cap
));
3269 case SpvCapabilityImageMSArray
:
3270 spv_check_supported(image_ms_array
, cap
);
3273 case SpvCapabilityTessellation
:
3274 case SpvCapabilityTessellationPointSize
:
3275 spv_check_supported(tessellation
, cap
);
3278 case SpvCapabilityDrawParameters
:
3279 spv_check_supported(draw_parameters
, cap
);
3282 case SpvCapabilityStorageImageReadWithoutFormat
:
3283 spv_check_supported(image_read_without_format
, cap
);
3286 case SpvCapabilityStorageImageWriteWithoutFormat
:
3287 spv_check_supported(image_write_without_format
, cap
);
3290 case SpvCapabilityDeviceGroup
:
3291 spv_check_supported(device_group
, cap
);
3294 case SpvCapabilityMultiView
:
3295 spv_check_supported(multiview
, cap
);
3298 case SpvCapabilityGroupNonUniform
:
3299 spv_check_supported(subgroup_basic
, cap
);
3302 case SpvCapabilityGroupNonUniformVote
:
3303 spv_check_supported(subgroup_vote
, cap
);
3306 case SpvCapabilitySubgroupBallotKHR
:
3307 case SpvCapabilityGroupNonUniformBallot
:
3308 spv_check_supported(subgroup_ballot
, cap
);
3311 case SpvCapabilityGroupNonUniformShuffle
:
3312 case SpvCapabilityGroupNonUniformShuffleRelative
:
3313 spv_check_supported(subgroup_shuffle
, cap
);
3316 case SpvCapabilityGroupNonUniformQuad
:
3317 spv_check_supported(subgroup_quad
, cap
);
3319 case SpvCapabilityGroupNonUniformArithmetic
:
3320 case SpvCapabilityGroupNonUniformClustered
:
3321 spv_check_supported(subgroup_arithmetic
, cap
);
3323 case SpvCapabilityVariablePointersStorageBuffer
:
3324 case SpvCapabilityVariablePointers
:
3325 spv_check_supported(variable_pointers
, cap
);
3328 case SpvCapabilityStorageUniformBufferBlock16
:
3329 case SpvCapabilityStorageUniform16
:
3330 case SpvCapabilityStoragePushConstant16
:
3331 case SpvCapabilityStorageInputOutput16
:
3332 spv_check_supported(storage_16bit
, cap
);
3335 case SpvCapabilityShaderViewportIndexLayerEXT
:
3336 spv_check_supported(shader_viewport_index_layer
, cap
);
3340 vtn_fail("Unhandled capability");
3345 case SpvOpExtInstImport
:
3346 vtn_handle_extension(b
, opcode
, w
, count
);
3349 case SpvOpMemoryModel
:
3350 vtn_assert(w
[1] == SpvAddressingModelLogical
);
3351 vtn_assert(w
[2] == SpvMemoryModelSimple
||
3352 w
[2] == SpvMemoryModelGLSL450
);
3355 case SpvOpEntryPoint
: {
3356 struct vtn_value
*entry_point
= &b
->values
[w
[2]];
3357 /* Let this be a name label regardless */
3358 unsigned name_words
;
3359 entry_point
->name
= vtn_string_literal(b
, &w
[3], count
- 3, &name_words
);
3361 if (strcmp(entry_point
->name
, b
->entry_point_name
) != 0 ||
3362 stage_for_execution_model(b
, w
[1]) != b
->entry_point_stage
)
3365 vtn_assert(b
->entry_point
== NULL
);
3366 b
->entry_point
= entry_point
;
3371 vtn_push_value(b
, w
[1], vtn_value_type_string
)->str
=
3372 vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3376 b
->values
[w
[1]].name
= vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3379 case SpvOpMemberName
:
3383 case SpvOpExecutionMode
:
3384 case SpvOpDecorationGroup
:
3386 case SpvOpMemberDecorate
:
3387 case SpvOpGroupDecorate
:
3388 case SpvOpGroupMemberDecorate
:
3389 vtn_handle_decoration(b
, opcode
, w
, count
);
3393 return false; /* End of preamble */
3400 vtn_handle_execution_mode(struct vtn_builder
*b
, struct vtn_value
*entry_point
,
3401 const struct vtn_decoration
*mode
, void *data
)
3403 vtn_assert(b
->entry_point
== entry_point
);
3405 switch(mode
->exec_mode
) {
3406 case SpvExecutionModeOriginUpperLeft
:
3407 case SpvExecutionModeOriginLowerLeft
:
3408 b
->origin_upper_left
=
3409 (mode
->exec_mode
== SpvExecutionModeOriginUpperLeft
);
3412 case SpvExecutionModeEarlyFragmentTests
:
3413 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3414 b
->shader
->info
.fs
.early_fragment_tests
= true;
3417 case SpvExecutionModeInvocations
:
3418 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3419 b
->shader
->info
.gs
.invocations
= MAX2(1, mode
->literals
[0]);
3422 case SpvExecutionModeDepthReplacing
:
3423 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3424 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_ANY
;
3426 case SpvExecutionModeDepthGreater
:
3427 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3428 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_GREATER
;
3430 case SpvExecutionModeDepthLess
:
3431 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3432 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_LESS
;
3434 case SpvExecutionModeDepthUnchanged
:
3435 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3436 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_UNCHANGED
;
3439 case SpvExecutionModeLocalSize
:
3440 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_COMPUTE
);
3441 b
->shader
->info
.cs
.local_size
[0] = mode
->literals
[0];
3442 b
->shader
->info
.cs
.local_size
[1] = mode
->literals
[1];
3443 b
->shader
->info
.cs
.local_size
[2] = mode
->literals
[2];
3445 case SpvExecutionModeLocalSizeHint
:
3446 break; /* Nothing to do with this */
3448 case SpvExecutionModeOutputVertices
:
3449 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3450 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3451 b
->shader
->info
.tess
.tcs_vertices_out
= mode
->literals
[0];
3453 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3454 b
->shader
->info
.gs
.vertices_out
= mode
->literals
[0];
3458 case SpvExecutionModeInputPoints
:
3459 case SpvExecutionModeInputLines
:
3460 case SpvExecutionModeInputLinesAdjacency
:
3461 case SpvExecutionModeTriangles
:
3462 case SpvExecutionModeInputTrianglesAdjacency
:
3463 case SpvExecutionModeQuads
:
3464 case SpvExecutionModeIsolines
:
3465 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3466 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3467 b
->shader
->info
.tess
.primitive_mode
=
3468 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3470 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3471 b
->shader
->info
.gs
.vertices_in
=
3472 vertices_in_from_spv_execution_mode(b
, mode
->exec_mode
);
3476 case SpvExecutionModeOutputPoints
:
3477 case SpvExecutionModeOutputLineStrip
:
3478 case SpvExecutionModeOutputTriangleStrip
:
3479 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3480 b
->shader
->info
.gs
.output_primitive
=
3481 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3484 case SpvExecutionModeSpacingEqual
:
3485 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3486 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3487 b
->shader
->info
.tess
.spacing
= TESS_SPACING_EQUAL
;
3489 case SpvExecutionModeSpacingFractionalEven
:
3490 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3491 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3492 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_EVEN
;
3494 case SpvExecutionModeSpacingFractionalOdd
:
3495 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3496 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3497 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_ODD
;
3499 case SpvExecutionModeVertexOrderCw
:
3500 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3501 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3502 b
->shader
->info
.tess
.ccw
= false;
3504 case SpvExecutionModeVertexOrderCcw
:
3505 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3506 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3507 b
->shader
->info
.tess
.ccw
= true;
3509 case SpvExecutionModePointMode
:
3510 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3511 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3512 b
->shader
->info
.tess
.point_mode
= true;
3515 case SpvExecutionModePixelCenterInteger
:
3516 b
->pixel_center_integer
= true;
3519 case SpvExecutionModeXfb
:
3520 vtn_fail("Unhandled execution mode");
3523 case SpvExecutionModeVecTypeHint
:
3524 case SpvExecutionModeContractionOff
:
3528 vtn_fail("Unhandled execution mode");
3533 vtn_handle_variable_or_type_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3534 const uint32_t *w
, unsigned count
)
3536 vtn_set_instruction_result_type(b
, opcode
, w
, count
);
3540 case SpvOpSourceContinued
:
3541 case SpvOpSourceExtension
:
3542 case SpvOpExtension
:
3543 case SpvOpCapability
:
3544 case SpvOpExtInstImport
:
3545 case SpvOpMemoryModel
:
3546 case SpvOpEntryPoint
:
3547 case SpvOpExecutionMode
:
3550 case SpvOpMemberName
:
3551 case SpvOpDecorationGroup
:
3553 case SpvOpMemberDecorate
:
3554 case SpvOpGroupDecorate
:
3555 case SpvOpGroupMemberDecorate
:
3556 vtn_fail("Invalid opcode types and variables section");
3562 case SpvOpTypeFloat
:
3563 case SpvOpTypeVector
:
3564 case SpvOpTypeMatrix
:
3565 case SpvOpTypeImage
:
3566 case SpvOpTypeSampler
:
3567 case SpvOpTypeSampledImage
:
3568 case SpvOpTypeArray
:
3569 case SpvOpTypeRuntimeArray
:
3570 case SpvOpTypeStruct
:
3571 case SpvOpTypeOpaque
:
3572 case SpvOpTypePointer
:
3573 case SpvOpTypeFunction
:
3574 case SpvOpTypeEvent
:
3575 case SpvOpTypeDeviceEvent
:
3576 case SpvOpTypeReserveId
:
3577 case SpvOpTypeQueue
:
3579 vtn_handle_type(b
, opcode
, w
, count
);
3582 case SpvOpConstantTrue
:
3583 case SpvOpConstantFalse
:
3585 case SpvOpConstantComposite
:
3586 case SpvOpConstantSampler
:
3587 case SpvOpConstantNull
:
3588 case SpvOpSpecConstantTrue
:
3589 case SpvOpSpecConstantFalse
:
3590 case SpvOpSpecConstant
:
3591 case SpvOpSpecConstantComposite
:
3592 case SpvOpSpecConstantOp
:
3593 vtn_handle_constant(b
, opcode
, w
, count
);
3598 vtn_handle_variables(b
, opcode
, w
, count
);
3602 return false; /* End of preamble */
3609 vtn_handle_body_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3610 const uint32_t *w
, unsigned count
)
3616 case SpvOpLoopMerge
:
3617 case SpvOpSelectionMerge
:
3618 /* This is handled by cfg pre-pass and walk_blocks */
3622 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_undef
);
3623 val
->type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
3628 vtn_handle_extension(b
, opcode
, w
, count
);
3634 case SpvOpCopyMemory
:
3635 case SpvOpCopyMemorySized
:
3636 case SpvOpAccessChain
:
3637 case SpvOpPtrAccessChain
:
3638 case SpvOpInBoundsAccessChain
:
3639 case SpvOpArrayLength
:
3640 vtn_handle_variables(b
, opcode
, w
, count
);
3643 case SpvOpFunctionCall
:
3644 vtn_handle_function_call(b
, opcode
, w
, count
);
3647 case SpvOpSampledImage
:
3649 case SpvOpImageSampleImplicitLod
:
3650 case SpvOpImageSampleExplicitLod
:
3651 case SpvOpImageSampleDrefImplicitLod
:
3652 case SpvOpImageSampleDrefExplicitLod
:
3653 case SpvOpImageSampleProjImplicitLod
:
3654 case SpvOpImageSampleProjExplicitLod
:
3655 case SpvOpImageSampleProjDrefImplicitLod
:
3656 case SpvOpImageSampleProjDrefExplicitLod
:
3657 case SpvOpImageFetch
:
3658 case SpvOpImageGather
:
3659 case SpvOpImageDrefGather
:
3660 case SpvOpImageQuerySizeLod
:
3661 case SpvOpImageQueryLod
:
3662 case SpvOpImageQueryLevels
:
3663 case SpvOpImageQuerySamples
:
3664 vtn_handle_texture(b
, opcode
, w
, count
);
3667 case SpvOpImageRead
:
3668 case SpvOpImageWrite
:
3669 case SpvOpImageTexelPointer
:
3670 vtn_handle_image(b
, opcode
, w
, count
);
3673 case SpvOpImageQuerySize
: {
3674 struct vtn_pointer
*image
=
3675 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
3676 if (image
->mode
== vtn_variable_mode_image
) {
3677 vtn_handle_image(b
, opcode
, w
, count
);
3679 vtn_assert(image
->mode
== vtn_variable_mode_sampler
);
3680 vtn_handle_texture(b
, opcode
, w
, count
);
3685 case SpvOpAtomicLoad
:
3686 case SpvOpAtomicExchange
:
3687 case SpvOpAtomicCompareExchange
:
3688 case SpvOpAtomicCompareExchangeWeak
:
3689 case SpvOpAtomicIIncrement
:
3690 case SpvOpAtomicIDecrement
:
3691 case SpvOpAtomicIAdd
:
3692 case SpvOpAtomicISub
:
3693 case SpvOpAtomicSMin
:
3694 case SpvOpAtomicUMin
:
3695 case SpvOpAtomicSMax
:
3696 case SpvOpAtomicUMax
:
3697 case SpvOpAtomicAnd
:
3699 case SpvOpAtomicXor
: {
3700 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[3]);
3701 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
3702 vtn_handle_image(b
, opcode
, w
, count
);
3704 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
3705 vtn_handle_ssbo_or_shared_atomic(b
, opcode
, w
, count
);
3710 case SpvOpAtomicStore
: {
3711 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[1]);
3712 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
3713 vtn_handle_image(b
, opcode
, w
, count
);
3715 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
3716 vtn_handle_ssbo_or_shared_atomic(b
, opcode
, w
, count
);
3722 /* Handle OpSelect up-front here because it needs to be able to handle
3723 * pointers and not just regular vectors and scalars.
3725 struct vtn_value
*res_val
= vtn_untyped_value(b
, w
[2]);
3726 struct vtn_value
*sel_val
= vtn_untyped_value(b
, w
[3]);
3727 struct vtn_value
*obj1_val
= vtn_untyped_value(b
, w
[4]);
3728 struct vtn_value
*obj2_val
= vtn_untyped_value(b
, w
[5]);
3730 const struct glsl_type
*sel_type
;
3731 switch (res_val
->type
->base_type
) {
3732 case vtn_base_type_scalar
:
3733 sel_type
= glsl_bool_type();
3735 case vtn_base_type_vector
:
3736 sel_type
= glsl_vector_type(GLSL_TYPE_BOOL
, res_val
->type
->length
);
3738 case vtn_base_type_pointer
:
3739 /* We need to have actual storage for pointer types */
3740 vtn_fail_if(res_val
->type
->type
== NULL
,
3741 "Invalid pointer result type for OpSelect");
3742 sel_type
= glsl_bool_type();
3745 vtn_fail("Result type of OpSelect must be a scalar, vector, or pointer");
3748 if (unlikely(sel_val
->type
->type
!= sel_type
)) {
3749 if (sel_val
->type
->type
== glsl_bool_type()) {
3750 /* This case is illegal but some older versions of GLSLang produce
3751 * it. The GLSLang issue was fixed on March 30, 2017:
3753 * https://github.com/KhronosGroup/glslang/issues/809
3755 * Unfortunately, there are applications in the wild which are
3756 * shipping with this bug so it isn't nice to fail on them so we
3757 * throw a warning instead. It's not actually a problem for us as
3758 * nir_builder will just splat the condition out which is most
3759 * likely what the client wanted anyway.
3761 vtn_warn("Condition type of OpSelect must have the same number "
3762 "of components as Result Type");
3764 vtn_fail("Condition type of OpSelect must be a scalar or vector "
3765 "of Boolean type. It must have the same number of "
3766 "components as Result Type");
3770 vtn_fail_if(obj1_val
->type
!= res_val
->type
||
3771 obj2_val
->type
!= res_val
->type
,
3772 "Object types must match the result type in OpSelect");
3774 struct vtn_type
*res_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
3775 struct vtn_ssa_value
*ssa
= vtn_create_ssa_value(b
, res_type
->type
);
3776 ssa
->def
= nir_bcsel(&b
->nb
, vtn_ssa_value(b
, w
[3])->def
,
3777 vtn_ssa_value(b
, w
[4])->def
,
3778 vtn_ssa_value(b
, w
[5])->def
);
3779 vtn_push_ssa(b
, w
[2], res_type
, ssa
);
3788 case SpvOpConvertFToU
:
3789 case SpvOpConvertFToS
:
3790 case SpvOpConvertSToF
:
3791 case SpvOpConvertUToF
:
3795 case SpvOpQuantizeToF16
:
3796 case SpvOpConvertPtrToU
:
3797 case SpvOpConvertUToPtr
:
3798 case SpvOpPtrCastToGeneric
:
3799 case SpvOpGenericCastToPtr
:
3805 case SpvOpSignBitSet
:
3806 case SpvOpLessOrGreater
:
3808 case SpvOpUnordered
:
3823 case SpvOpVectorTimesScalar
:
3825 case SpvOpIAddCarry
:
3826 case SpvOpISubBorrow
:
3827 case SpvOpUMulExtended
:
3828 case SpvOpSMulExtended
:
3829 case SpvOpShiftRightLogical
:
3830 case SpvOpShiftRightArithmetic
:
3831 case SpvOpShiftLeftLogical
:
3832 case SpvOpLogicalEqual
:
3833 case SpvOpLogicalNotEqual
:
3834 case SpvOpLogicalOr
:
3835 case SpvOpLogicalAnd
:
3836 case SpvOpLogicalNot
:
3837 case SpvOpBitwiseOr
:
3838 case SpvOpBitwiseXor
:
3839 case SpvOpBitwiseAnd
:
3841 case SpvOpFOrdEqual
:
3842 case SpvOpFUnordEqual
:
3843 case SpvOpINotEqual
:
3844 case SpvOpFOrdNotEqual
:
3845 case SpvOpFUnordNotEqual
:
3846 case SpvOpULessThan
:
3847 case SpvOpSLessThan
:
3848 case SpvOpFOrdLessThan
:
3849 case SpvOpFUnordLessThan
:
3850 case SpvOpUGreaterThan
:
3851 case SpvOpSGreaterThan
:
3852 case SpvOpFOrdGreaterThan
:
3853 case SpvOpFUnordGreaterThan
:
3854 case SpvOpULessThanEqual
:
3855 case SpvOpSLessThanEqual
:
3856 case SpvOpFOrdLessThanEqual
:
3857 case SpvOpFUnordLessThanEqual
:
3858 case SpvOpUGreaterThanEqual
:
3859 case SpvOpSGreaterThanEqual
:
3860 case SpvOpFOrdGreaterThanEqual
:
3861 case SpvOpFUnordGreaterThanEqual
:
3867 case SpvOpFwidthFine
:
3868 case SpvOpDPdxCoarse
:
3869 case SpvOpDPdyCoarse
:
3870 case SpvOpFwidthCoarse
:
3871 case SpvOpBitFieldInsert
:
3872 case SpvOpBitFieldSExtract
:
3873 case SpvOpBitFieldUExtract
:
3874 case SpvOpBitReverse
:
3876 case SpvOpTranspose
:
3877 case SpvOpOuterProduct
:
3878 case SpvOpMatrixTimesScalar
:
3879 case SpvOpVectorTimesMatrix
:
3880 case SpvOpMatrixTimesVector
:
3881 case SpvOpMatrixTimesMatrix
:
3882 vtn_handle_alu(b
, opcode
, w
, count
);
3885 case SpvOpVectorExtractDynamic
:
3886 case SpvOpVectorInsertDynamic
:
3887 case SpvOpVectorShuffle
:
3888 case SpvOpCompositeConstruct
:
3889 case SpvOpCompositeExtract
:
3890 case SpvOpCompositeInsert
:
3891 case SpvOpCopyObject
:
3892 vtn_handle_composite(b
, opcode
, w
, count
);
3895 case SpvOpEmitVertex
:
3896 case SpvOpEndPrimitive
:
3897 case SpvOpEmitStreamVertex
:
3898 case SpvOpEndStreamPrimitive
:
3899 case SpvOpControlBarrier
:
3900 case SpvOpMemoryBarrier
:
3901 vtn_handle_barrier(b
, opcode
, w
, count
);
3904 case SpvOpGroupNonUniformElect
:
3905 case SpvOpGroupNonUniformAll
:
3906 case SpvOpGroupNonUniformAny
:
3907 case SpvOpGroupNonUniformAllEqual
:
3908 case SpvOpGroupNonUniformBroadcast
:
3909 case SpvOpGroupNonUniformBroadcastFirst
:
3910 case SpvOpGroupNonUniformBallot
:
3911 case SpvOpGroupNonUniformInverseBallot
:
3912 case SpvOpGroupNonUniformBallotBitExtract
:
3913 case SpvOpGroupNonUniformBallotBitCount
:
3914 case SpvOpGroupNonUniformBallotFindLSB
:
3915 case SpvOpGroupNonUniformBallotFindMSB
:
3916 case SpvOpGroupNonUniformShuffle
:
3917 case SpvOpGroupNonUniformShuffleXor
:
3918 case SpvOpGroupNonUniformShuffleUp
:
3919 case SpvOpGroupNonUniformShuffleDown
:
3920 case SpvOpGroupNonUniformIAdd
:
3921 case SpvOpGroupNonUniformFAdd
:
3922 case SpvOpGroupNonUniformIMul
:
3923 case SpvOpGroupNonUniformFMul
:
3924 case SpvOpGroupNonUniformSMin
:
3925 case SpvOpGroupNonUniformUMin
:
3926 case SpvOpGroupNonUniformFMin
:
3927 case SpvOpGroupNonUniformSMax
:
3928 case SpvOpGroupNonUniformUMax
:
3929 case SpvOpGroupNonUniformFMax
:
3930 case SpvOpGroupNonUniformBitwiseAnd
:
3931 case SpvOpGroupNonUniformBitwiseOr
:
3932 case SpvOpGroupNonUniformBitwiseXor
:
3933 case SpvOpGroupNonUniformLogicalAnd
:
3934 case SpvOpGroupNonUniformLogicalOr
:
3935 case SpvOpGroupNonUniformLogicalXor
:
3936 case SpvOpGroupNonUniformQuadBroadcast
:
3937 case SpvOpGroupNonUniformQuadSwap
:
3938 vtn_handle_subgroup(b
, opcode
, w
, count
);
3942 vtn_fail("Unhandled opcode");
3949 spirv_to_nir(const uint32_t *words
, size_t word_count
,
3950 struct nir_spirv_specialization
*spec
, unsigned num_spec
,
3951 gl_shader_stage stage
, const char *entry_point_name
,
3952 const struct spirv_to_nir_options
*options
,
3953 const nir_shader_compiler_options
*nir_options
)
3955 /* Initialize the stn_builder object */
3956 struct vtn_builder
*b
= rzalloc(NULL
, struct vtn_builder
);
3958 b
->spirv_word_count
= word_count
;
3962 exec_list_make_empty(&b
->functions
);
3963 b
->entry_point_stage
= stage
;
3964 b
->entry_point_name
= entry_point_name
;
3965 b
->options
= options
;
3967 /* See also _vtn_fail() */
3968 if (setjmp(b
->fail_jump
)) {
3973 const uint32_t *word_end
= words
+ word_count
;
3975 /* Handle the SPIR-V header (first 4 dwords) */
3976 vtn_assert(word_count
> 5);
3978 vtn_assert(words
[0] == SpvMagicNumber
);
3979 vtn_assert(words
[1] >= 0x10000);
3980 /* words[2] == generator magic */
3981 unsigned value_id_bound
= words
[3];
3982 vtn_assert(words
[4] == 0);
3986 b
->value_id_bound
= value_id_bound
;
3987 b
->values
= rzalloc_array(b
, struct vtn_value
, value_id_bound
);
3989 /* Handle all the preamble instructions */
3990 words
= vtn_foreach_instruction(b
, words
, word_end
,
3991 vtn_handle_preamble_instruction
);
3993 if (b
->entry_point
== NULL
) {
3994 vtn_fail("Entry point not found");
3999 b
->shader
= nir_shader_create(b
, stage
, nir_options
, NULL
);
4001 /* Set shader info defaults */
4002 b
->shader
->info
.gs
.invocations
= 1;
4004 /* Parse execution modes */
4005 vtn_foreach_execution_mode(b
, b
->entry_point
,
4006 vtn_handle_execution_mode
, NULL
);
4008 b
->specializations
= spec
;
4009 b
->num_specializations
= num_spec
;
4011 /* Handle all variable, type, and constant instructions */
4012 words
= vtn_foreach_instruction(b
, words
, word_end
,
4013 vtn_handle_variable_or_type_instruction
);
4015 /* Set types on all vtn_values */
4016 vtn_foreach_instruction(b
, words
, word_end
, vtn_set_instruction_result_type
);
4018 vtn_build_cfg(b
, words
, word_end
);
4020 assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4021 b
->entry_point
->func
->referenced
= true;
4026 foreach_list_typed(struct vtn_function
, func
, node
, &b
->functions
) {
4027 if (func
->referenced
&& !func
->emitted
) {
4028 b
->const_table
= _mesa_hash_table_create(b
, _mesa_hash_pointer
,
4029 _mesa_key_pointer_equal
);
4031 vtn_function_emit(b
, func
, vtn_handle_body_instruction
);
4037 vtn_assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4038 nir_function
*entry_point
= b
->entry_point
->func
->impl
->function
;
4039 vtn_assert(entry_point
);
4041 /* Unparent the shader from the vtn_builder before we delete the builder */
4042 ralloc_steal(NULL
, b
->shader
);