2 * Copyright © 2015 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * Jason Ekstrand (jason@jlekstrand.net)
28 #include "vtn_private.h"
29 #include "nir/nir_vla.h"
30 #include "nir/nir_control_flow.h"
31 #include "nir/nir_constant_expressions.h"
32 #include "nir/nir_deref.h"
33 #include "spirv_info.h"
38 vtn_log(struct vtn_builder
*b
, enum nir_spirv_debug_level level
,
39 size_t spirv_offset
, const char *message
)
41 if (b
->options
->debug
.func
) {
42 b
->options
->debug
.func(b
->options
->debug
.private_data
,
43 level
, spirv_offset
, message
);
47 if (level
>= NIR_SPIRV_DEBUG_LEVEL_WARNING
)
48 fprintf(stderr
, "%s\n", message
);
53 vtn_logf(struct vtn_builder
*b
, enum nir_spirv_debug_level level
,
54 size_t spirv_offset
, const char *fmt
, ...)
60 msg
= ralloc_vasprintf(NULL
, fmt
, args
);
63 vtn_log(b
, level
, spirv_offset
, msg
);
69 vtn_log_err(struct vtn_builder
*b
,
70 enum nir_spirv_debug_level level
, const char *prefix
,
71 const char *file
, unsigned line
,
72 const char *fmt
, va_list args
)
76 msg
= ralloc_strdup(NULL
, prefix
);
79 ralloc_asprintf_append(&msg
, " In file %s:%u\n", file
, line
);
82 ralloc_asprintf_append(&msg
, " ");
84 ralloc_vasprintf_append(&msg
, fmt
, args
);
86 ralloc_asprintf_append(&msg
, "\n %zu bytes into the SPIR-V binary",
90 ralloc_asprintf_append(&msg
,
91 "\n in SPIR-V source file %s, line %d, col %d",
92 b
->file
, b
->line
, b
->col
);
95 vtn_log(b
, level
, b
->spirv_offset
, msg
);
101 vtn_dump_shader(struct vtn_builder
*b
, const char *path
, const char *prefix
)
106 int len
= snprintf(filename
, sizeof(filename
), "%s/%s-%d.spirv",
107 path
, prefix
, idx
++);
108 if (len
< 0 || len
>= sizeof(filename
))
111 FILE *f
= fopen(filename
, "w");
115 fwrite(b
->spirv
, sizeof(*b
->spirv
), b
->spirv_word_count
, f
);
118 vtn_info("SPIR-V shader dumped to %s", filename
);
122 _vtn_warn(struct vtn_builder
*b
, const char *file
, unsigned line
,
123 const char *fmt
, ...)
128 vtn_log_err(b
, NIR_SPIRV_DEBUG_LEVEL_WARNING
, "SPIR-V WARNING:\n",
129 file
, line
, fmt
, args
);
134 _vtn_err(struct vtn_builder
*b
, const char *file
, unsigned line
,
135 const char *fmt
, ...)
140 vtn_log_err(b
, NIR_SPIRV_DEBUG_LEVEL_ERROR
, "SPIR-V ERROR:\n",
141 file
, line
, fmt
, args
);
146 _vtn_fail(struct vtn_builder
*b
, const char *file
, unsigned line
,
147 const char *fmt
, ...)
152 vtn_log_err(b
, NIR_SPIRV_DEBUG_LEVEL_ERROR
, "SPIR-V parsing FAILED:\n",
153 file
, line
, fmt
, args
);
156 const char *dump_path
= getenv("MESA_SPIRV_FAIL_DUMP_PATH");
158 vtn_dump_shader(b
, dump_path
, "fail");
160 longjmp(b
->fail_jump
, 1);
163 struct spec_constant_value
{
171 static struct vtn_ssa_value
*
172 vtn_undef_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
174 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
177 if (glsl_type_is_vector_or_scalar(type
)) {
178 unsigned num_components
= glsl_get_vector_elements(val
->type
);
179 unsigned bit_size
= glsl_get_bit_size(val
->type
);
180 val
->def
= nir_ssa_undef(&b
->nb
, num_components
, bit_size
);
182 unsigned elems
= glsl_get_length(val
->type
);
183 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
184 if (glsl_type_is_matrix(type
)) {
185 const struct glsl_type
*elem_type
=
186 glsl_vector_type(glsl_get_base_type(type
),
187 glsl_get_vector_elements(type
));
189 for (unsigned i
= 0; i
< elems
; i
++)
190 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
191 } else if (glsl_type_is_array(type
)) {
192 const struct glsl_type
*elem_type
= glsl_get_array_element(type
);
193 for (unsigned i
= 0; i
< elems
; i
++)
194 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
196 for (unsigned i
= 0; i
< elems
; i
++) {
197 const struct glsl_type
*elem_type
= glsl_get_struct_field(type
, i
);
198 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
206 static struct vtn_ssa_value
*
207 vtn_const_ssa_value(struct vtn_builder
*b
, nir_constant
*constant
,
208 const struct glsl_type
*type
)
210 struct hash_entry
*entry
= _mesa_hash_table_search(b
->const_table
, constant
);
215 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
218 switch (glsl_get_base_type(type
)) {
221 case GLSL_TYPE_INT16
:
222 case GLSL_TYPE_UINT16
:
223 case GLSL_TYPE_UINT8
:
225 case GLSL_TYPE_INT64
:
226 case GLSL_TYPE_UINT64
:
228 case GLSL_TYPE_FLOAT
:
229 case GLSL_TYPE_FLOAT16
:
230 case GLSL_TYPE_DOUBLE
: {
231 int bit_size
= glsl_get_bit_size(type
);
232 if (glsl_type_is_vector_or_scalar(type
)) {
233 unsigned num_components
= glsl_get_vector_elements(val
->type
);
234 nir_load_const_instr
*load
=
235 nir_load_const_instr_create(b
->shader
, num_components
, bit_size
);
237 load
->value
= constant
->values
[0];
239 nir_instr_insert_before_cf_list(&b
->nb
.impl
->body
, &load
->instr
);
240 val
->def
= &load
->def
;
242 assert(glsl_type_is_matrix(type
));
243 unsigned rows
= glsl_get_vector_elements(val
->type
);
244 unsigned columns
= glsl_get_matrix_columns(val
->type
);
245 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, columns
);
247 for (unsigned i
= 0; i
< columns
; i
++) {
248 struct vtn_ssa_value
*col_val
= rzalloc(b
, struct vtn_ssa_value
);
249 col_val
->type
= glsl_get_column_type(val
->type
);
250 nir_load_const_instr
*load
=
251 nir_load_const_instr_create(b
->shader
, rows
, bit_size
);
253 load
->value
= constant
->values
[i
];
255 nir_instr_insert_before_cf_list(&b
->nb
.impl
->body
, &load
->instr
);
256 col_val
->def
= &load
->def
;
258 val
->elems
[i
] = col_val
;
264 case GLSL_TYPE_ARRAY
: {
265 unsigned elems
= glsl_get_length(val
->type
);
266 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
267 const struct glsl_type
*elem_type
= glsl_get_array_element(val
->type
);
268 for (unsigned i
= 0; i
< elems
; i
++)
269 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
274 case GLSL_TYPE_STRUCT
: {
275 unsigned elems
= glsl_get_length(val
->type
);
276 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
277 for (unsigned i
= 0; i
< elems
; i
++) {
278 const struct glsl_type
*elem_type
=
279 glsl_get_struct_field(val
->type
, i
);
280 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
287 vtn_fail("bad constant type");
293 struct vtn_ssa_value
*
294 vtn_ssa_value(struct vtn_builder
*b
, uint32_t value_id
)
296 struct vtn_value
*val
= vtn_untyped_value(b
, value_id
);
297 switch (val
->value_type
) {
298 case vtn_value_type_undef
:
299 return vtn_undef_ssa_value(b
, val
->type
->type
);
301 case vtn_value_type_constant
:
302 return vtn_const_ssa_value(b
, val
->constant
, val
->type
->type
);
304 case vtn_value_type_ssa
:
307 case vtn_value_type_pointer
:
308 vtn_assert(val
->pointer
->ptr_type
&& val
->pointer
->ptr_type
->type
);
309 struct vtn_ssa_value
*ssa
=
310 vtn_create_ssa_value(b
, val
->pointer
->ptr_type
->type
);
311 ssa
->def
= vtn_pointer_to_ssa(b
, val
->pointer
);
315 vtn_fail("Invalid type for an SSA value");
320 vtn_string_literal(struct vtn_builder
*b
, const uint32_t *words
,
321 unsigned word_count
, unsigned *words_used
)
323 char *dup
= ralloc_strndup(b
, (char *)words
, word_count
* sizeof(*words
));
325 /* Ammount of space taken by the string (including the null) */
326 unsigned len
= strlen(dup
) + 1;
327 *words_used
= DIV_ROUND_UP(len
, sizeof(*words
));
333 vtn_foreach_instruction(struct vtn_builder
*b
, const uint32_t *start
,
334 const uint32_t *end
, vtn_instruction_handler handler
)
340 const uint32_t *w
= start
;
342 SpvOp opcode
= w
[0] & SpvOpCodeMask
;
343 unsigned count
= w
[0] >> SpvWordCountShift
;
344 vtn_assert(count
>= 1 && w
+ count
<= end
);
346 b
->spirv_offset
= (uint8_t *)w
- (uint8_t *)b
->spirv
;
350 break; /* Do nothing */
353 b
->file
= vtn_value(b
, w
[1], vtn_value_type_string
)->str
;
365 if (!handler(b
, opcode
, w
, count
))
383 vtn_handle_extension(struct vtn_builder
*b
, SpvOp opcode
,
384 const uint32_t *w
, unsigned count
)
386 const char *ext
= (const char *)&w
[2];
388 case SpvOpExtInstImport
: {
389 struct vtn_value
*val
= vtn_push_value(b
, w
[1], vtn_value_type_extension
);
390 if (strcmp(ext
, "GLSL.std.450") == 0) {
391 val
->ext_handler
= vtn_handle_glsl450_instruction
;
392 } else if ((strcmp(ext
, "SPV_AMD_gcn_shader") == 0)
393 && (b
->options
&& b
->options
->caps
.gcn_shader
)) {
394 val
->ext_handler
= vtn_handle_amd_gcn_shader_instruction
;
395 } else if ((strcmp(ext
, "SPV_AMD_shader_trinary_minmax") == 0)
396 && (b
->options
&& b
->options
->caps
.trinary_minmax
)) {
397 val
->ext_handler
= vtn_handle_amd_shader_trinary_minmax_instruction
;
399 vtn_fail("Unsupported extension: %s", ext
);
405 struct vtn_value
*val
= vtn_value(b
, w
[3], vtn_value_type_extension
);
406 bool handled
= val
->ext_handler(b
, w
[4], w
, count
);
412 vtn_fail("Unhandled opcode");
417 _foreach_decoration_helper(struct vtn_builder
*b
,
418 struct vtn_value
*base_value
,
420 struct vtn_value
*value
,
421 vtn_decoration_foreach_cb cb
, void *data
)
423 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
425 if (dec
->scope
== VTN_DEC_DECORATION
) {
426 member
= parent_member
;
427 } else if (dec
->scope
>= VTN_DEC_STRUCT_MEMBER0
) {
428 vtn_fail_if(value
->value_type
!= vtn_value_type_type
||
429 value
->type
->base_type
!= vtn_base_type_struct
,
430 "OpMemberDecorate and OpGroupMemberDecorate are only "
431 "allowed on OpTypeStruct");
432 /* This means we haven't recursed yet */
433 assert(value
== base_value
);
435 member
= dec
->scope
- VTN_DEC_STRUCT_MEMBER0
;
437 vtn_fail_if(member
>= base_value
->type
->length
,
438 "OpMemberDecorate specifies member %d but the "
439 "OpTypeStruct has only %u members",
440 member
, base_value
->type
->length
);
442 /* Not a decoration */
443 assert(dec
->scope
== VTN_DEC_EXECUTION_MODE
);
448 assert(dec
->group
->value_type
== vtn_value_type_decoration_group
);
449 _foreach_decoration_helper(b
, base_value
, member
, dec
->group
,
452 cb(b
, base_value
, member
, dec
, data
);
457 /** Iterates (recursively if needed) over all of the decorations on a value
459 * This function iterates over all of the decorations applied to a given
460 * value. If it encounters a decoration group, it recurses into the group
461 * and iterates over all of those decorations as well.
464 vtn_foreach_decoration(struct vtn_builder
*b
, struct vtn_value
*value
,
465 vtn_decoration_foreach_cb cb
, void *data
)
467 _foreach_decoration_helper(b
, value
, -1, value
, cb
, data
);
471 vtn_foreach_execution_mode(struct vtn_builder
*b
, struct vtn_value
*value
,
472 vtn_execution_mode_foreach_cb cb
, void *data
)
474 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
475 if (dec
->scope
!= VTN_DEC_EXECUTION_MODE
)
478 assert(dec
->group
== NULL
);
479 cb(b
, value
, dec
, data
);
484 vtn_handle_decoration(struct vtn_builder
*b
, SpvOp opcode
,
485 const uint32_t *w
, unsigned count
)
487 const uint32_t *w_end
= w
+ count
;
488 const uint32_t target
= w
[1];
492 case SpvOpDecorationGroup
:
493 vtn_push_value(b
, target
, vtn_value_type_decoration_group
);
497 case SpvOpMemberDecorate
:
498 case SpvOpDecorateStringGOOGLE
:
499 case SpvOpMemberDecorateStringGOOGLE
:
500 case SpvOpExecutionMode
: {
501 struct vtn_value
*val
= vtn_untyped_value(b
, target
);
503 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
506 case SpvOpDecorateStringGOOGLE
:
507 dec
->scope
= VTN_DEC_DECORATION
;
509 case SpvOpMemberDecorate
:
510 case SpvOpMemberDecorateStringGOOGLE
:
511 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(w
++);
512 vtn_fail_if(dec
->scope
< VTN_DEC_STRUCT_MEMBER0
, /* overflow */
513 "Member argument of OpMemberDecorate too large");
515 case SpvOpExecutionMode
:
516 dec
->scope
= VTN_DEC_EXECUTION_MODE
;
519 unreachable("Invalid decoration opcode");
521 dec
->decoration
= *(w
++);
524 /* Link into the list */
525 dec
->next
= val
->decoration
;
526 val
->decoration
= dec
;
530 case SpvOpGroupMemberDecorate
:
531 case SpvOpGroupDecorate
: {
532 struct vtn_value
*group
=
533 vtn_value(b
, target
, vtn_value_type_decoration_group
);
535 for (; w
< w_end
; w
++) {
536 struct vtn_value
*val
= vtn_untyped_value(b
, *w
);
537 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
540 if (opcode
== SpvOpGroupDecorate
) {
541 dec
->scope
= VTN_DEC_DECORATION
;
543 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(++w
);
544 vtn_fail_if(dec
->scope
< 0, /* Check for overflow */
545 "Member argument of OpGroupMemberDecorate too large");
548 /* Link into the list */
549 dec
->next
= val
->decoration
;
550 val
->decoration
= dec
;
556 unreachable("Unhandled opcode");
560 struct member_decoration_ctx
{
562 struct glsl_struct_field
*fields
;
563 struct vtn_type
*type
;
566 /** Returns true if two types are "compatible", i.e. you can do an OpLoad,
567 * OpStore, or OpCopyMemory between them without breaking anything.
568 * Technically, the SPIR-V rules require the exact same type ID but this lets
569 * us internally be a bit looser.
572 vtn_types_compatible(struct vtn_builder
*b
,
573 struct vtn_type
*t1
, struct vtn_type
*t2
)
575 if (t1
->id
== t2
->id
)
578 if (t1
->base_type
!= t2
->base_type
)
581 switch (t1
->base_type
) {
582 case vtn_base_type_void
:
583 case vtn_base_type_scalar
:
584 case vtn_base_type_vector
:
585 case vtn_base_type_matrix
:
586 case vtn_base_type_image
:
587 case vtn_base_type_sampler
:
588 case vtn_base_type_sampled_image
:
589 return t1
->type
== t2
->type
;
591 case vtn_base_type_array
:
592 return t1
->length
== t2
->length
&&
593 vtn_types_compatible(b
, t1
->array_element
, t2
->array_element
);
595 case vtn_base_type_pointer
:
596 return vtn_types_compatible(b
, t1
->deref
, t2
->deref
);
598 case vtn_base_type_struct
:
599 if (t1
->length
!= t2
->length
)
602 for (unsigned i
= 0; i
< t1
->length
; i
++) {
603 if (!vtn_types_compatible(b
, t1
->members
[i
], t2
->members
[i
]))
608 case vtn_base_type_function
:
609 /* This case shouldn't get hit since you can't copy around function
610 * types. Just require them to be identical.
615 vtn_fail("Invalid base type");
618 /* does a shallow copy of a vtn_type */
620 static struct vtn_type
*
621 vtn_type_copy(struct vtn_builder
*b
, struct vtn_type
*src
)
623 struct vtn_type
*dest
= ralloc(b
, struct vtn_type
);
626 switch (src
->base_type
) {
627 case vtn_base_type_void
:
628 case vtn_base_type_scalar
:
629 case vtn_base_type_vector
:
630 case vtn_base_type_matrix
:
631 case vtn_base_type_array
:
632 case vtn_base_type_pointer
:
633 case vtn_base_type_image
:
634 case vtn_base_type_sampler
:
635 case vtn_base_type_sampled_image
:
636 /* Nothing more to do */
639 case vtn_base_type_struct
:
640 dest
->members
= ralloc_array(b
, struct vtn_type
*, src
->length
);
641 memcpy(dest
->members
, src
->members
,
642 src
->length
* sizeof(src
->members
[0]));
644 dest
->offsets
= ralloc_array(b
, unsigned, src
->length
);
645 memcpy(dest
->offsets
, src
->offsets
,
646 src
->length
* sizeof(src
->offsets
[0]));
649 case vtn_base_type_function
:
650 dest
->params
= ralloc_array(b
, struct vtn_type
*, src
->length
);
651 memcpy(dest
->params
, src
->params
, src
->length
* sizeof(src
->params
[0]));
658 static struct vtn_type
*
659 mutable_matrix_member(struct vtn_builder
*b
, struct vtn_type
*type
, int member
)
661 type
->members
[member
] = vtn_type_copy(b
, type
->members
[member
]);
662 type
= type
->members
[member
];
664 /* We may have an array of matrices.... Oh, joy! */
665 while (glsl_type_is_array(type
->type
)) {
666 type
->array_element
= vtn_type_copy(b
, type
->array_element
);
667 type
= type
->array_element
;
670 vtn_assert(glsl_type_is_matrix(type
->type
));
676 vtn_handle_access_qualifier(struct vtn_builder
*b
, struct vtn_type
*type
,
677 int member
, enum gl_access_qualifier access
)
679 type
->members
[member
] = vtn_type_copy(b
, type
->members
[member
]);
680 type
= type
->members
[member
];
682 type
->access
|= access
;
686 struct_member_decoration_cb(struct vtn_builder
*b
,
687 struct vtn_value
*val
, int member
,
688 const struct vtn_decoration
*dec
, void *void_ctx
)
690 struct member_decoration_ctx
*ctx
= void_ctx
;
695 assert(member
< ctx
->num_fields
);
697 switch (dec
->decoration
) {
698 case SpvDecorationRelaxedPrecision
:
699 case SpvDecorationUniform
:
700 break; /* FIXME: Do nothing with this for now. */
701 case SpvDecorationNonWritable
:
702 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_NON_WRITEABLE
);
704 case SpvDecorationNonReadable
:
705 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_NON_READABLE
);
707 case SpvDecorationVolatile
:
708 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_VOLATILE
);
710 case SpvDecorationCoherent
:
711 vtn_handle_access_qualifier(b
, ctx
->type
, member
, ACCESS_COHERENT
);
713 case SpvDecorationNoPerspective
:
714 ctx
->fields
[member
].interpolation
= INTERP_MODE_NOPERSPECTIVE
;
716 case SpvDecorationFlat
:
717 ctx
->fields
[member
].interpolation
= INTERP_MODE_FLAT
;
719 case SpvDecorationCentroid
:
720 ctx
->fields
[member
].centroid
= true;
722 case SpvDecorationSample
:
723 ctx
->fields
[member
].sample
= true;
725 case SpvDecorationStream
:
726 /* Vulkan only allows one GS stream */
727 vtn_assert(dec
->literals
[0] == 0);
729 case SpvDecorationLocation
:
730 ctx
->fields
[member
].location
= dec
->literals
[0];
732 case SpvDecorationComponent
:
733 break; /* FIXME: What should we do with these? */
734 case SpvDecorationBuiltIn
:
735 ctx
->type
->members
[member
] = vtn_type_copy(b
, ctx
->type
->members
[member
]);
736 ctx
->type
->members
[member
]->is_builtin
= true;
737 ctx
->type
->members
[member
]->builtin
= dec
->literals
[0];
738 ctx
->type
->builtin_block
= true;
740 case SpvDecorationOffset
:
741 ctx
->type
->offsets
[member
] = dec
->literals
[0];
743 case SpvDecorationMatrixStride
:
744 /* Handled as a second pass */
746 case SpvDecorationColMajor
:
747 break; /* Nothing to do here. Column-major is the default. */
748 case SpvDecorationRowMajor
:
749 mutable_matrix_member(b
, ctx
->type
, member
)->row_major
= true;
752 case SpvDecorationPatch
:
755 case SpvDecorationSpecId
:
756 case SpvDecorationBlock
:
757 case SpvDecorationBufferBlock
:
758 case SpvDecorationArrayStride
:
759 case SpvDecorationGLSLShared
:
760 case SpvDecorationGLSLPacked
:
761 case SpvDecorationInvariant
:
762 case SpvDecorationRestrict
:
763 case SpvDecorationAliased
:
764 case SpvDecorationConstant
:
765 case SpvDecorationIndex
:
766 case SpvDecorationBinding
:
767 case SpvDecorationDescriptorSet
:
768 case SpvDecorationLinkageAttributes
:
769 case SpvDecorationNoContraction
:
770 case SpvDecorationInputAttachmentIndex
:
771 vtn_warn("Decoration not allowed on struct members: %s",
772 spirv_decoration_to_string(dec
->decoration
));
775 case SpvDecorationXfbBuffer
:
776 case SpvDecorationXfbStride
:
777 vtn_warn("Vulkan does not have transform feedback");
780 case SpvDecorationCPacked
:
781 case SpvDecorationSaturatedConversion
:
782 case SpvDecorationFuncParamAttr
:
783 case SpvDecorationFPRoundingMode
:
784 case SpvDecorationFPFastMathMode
:
785 case SpvDecorationAlignment
:
786 vtn_warn("Decoration only allowed for CL-style kernels: %s",
787 spirv_decoration_to_string(dec
->decoration
));
790 case SpvDecorationHlslSemanticGOOGLE
:
791 /* HLSL semantic decorations can safely be ignored by the driver. */
795 vtn_fail("Unhandled decoration");
799 /* Matrix strides are handled as a separate pass because we need to know
800 * whether the matrix is row-major or not first.
803 struct_member_matrix_stride_cb(struct vtn_builder
*b
,
804 struct vtn_value
*val
, int member
,
805 const struct vtn_decoration
*dec
,
808 if (dec
->decoration
!= SpvDecorationMatrixStride
)
811 vtn_fail_if(member
< 0,
812 "The MatrixStride decoration is only allowed on members "
815 struct member_decoration_ctx
*ctx
= void_ctx
;
817 struct vtn_type
*mat_type
= mutable_matrix_member(b
, ctx
->type
, member
);
818 if (mat_type
->row_major
) {
819 mat_type
->array_element
= vtn_type_copy(b
, mat_type
->array_element
);
820 mat_type
->stride
= mat_type
->array_element
->stride
;
821 mat_type
->array_element
->stride
= dec
->literals
[0];
823 vtn_assert(mat_type
->array_element
->stride
> 0);
824 mat_type
->stride
= dec
->literals
[0];
829 type_decoration_cb(struct vtn_builder
*b
,
830 struct vtn_value
*val
, int member
,
831 const struct vtn_decoration
*dec
, void *ctx
)
833 struct vtn_type
*type
= val
->type
;
836 /* This should have been handled by OpTypeStruct */
837 assert(val
->type
->base_type
== vtn_base_type_struct
);
838 assert(member
>= 0 && member
< val
->type
->length
);
842 switch (dec
->decoration
) {
843 case SpvDecorationArrayStride
:
844 vtn_assert(type
->base_type
== vtn_base_type_matrix
||
845 type
->base_type
== vtn_base_type_array
||
846 type
->base_type
== vtn_base_type_pointer
);
847 type
->stride
= dec
->literals
[0];
849 case SpvDecorationBlock
:
850 vtn_assert(type
->base_type
== vtn_base_type_struct
);
853 case SpvDecorationBufferBlock
:
854 vtn_assert(type
->base_type
== vtn_base_type_struct
);
855 type
->buffer_block
= true;
857 case SpvDecorationGLSLShared
:
858 case SpvDecorationGLSLPacked
:
859 /* Ignore these, since we get explicit offsets anyways */
862 case SpvDecorationRowMajor
:
863 case SpvDecorationColMajor
:
864 case SpvDecorationMatrixStride
:
865 case SpvDecorationBuiltIn
:
866 case SpvDecorationNoPerspective
:
867 case SpvDecorationFlat
:
868 case SpvDecorationPatch
:
869 case SpvDecorationCentroid
:
870 case SpvDecorationSample
:
871 case SpvDecorationVolatile
:
872 case SpvDecorationCoherent
:
873 case SpvDecorationNonWritable
:
874 case SpvDecorationNonReadable
:
875 case SpvDecorationUniform
:
876 case SpvDecorationLocation
:
877 case SpvDecorationComponent
:
878 case SpvDecorationOffset
:
879 case SpvDecorationXfbBuffer
:
880 case SpvDecorationXfbStride
:
881 case SpvDecorationHlslSemanticGOOGLE
:
882 vtn_warn("Decoration only allowed for struct members: %s",
883 spirv_decoration_to_string(dec
->decoration
));
886 case SpvDecorationStream
:
887 /* We don't need to do anything here, as stream is filled up when
888 * aplying the decoration to a variable, just check that if it is not a
889 * struct member, it should be a struct.
891 vtn_assert(type
->base_type
== vtn_base_type_struct
);
894 case SpvDecorationRelaxedPrecision
:
895 case SpvDecorationSpecId
:
896 case SpvDecorationInvariant
:
897 case SpvDecorationRestrict
:
898 case SpvDecorationAliased
:
899 case SpvDecorationConstant
:
900 case SpvDecorationIndex
:
901 case SpvDecorationBinding
:
902 case SpvDecorationDescriptorSet
:
903 case SpvDecorationLinkageAttributes
:
904 case SpvDecorationNoContraction
:
905 case SpvDecorationInputAttachmentIndex
:
906 vtn_warn("Decoration not allowed on types: %s",
907 spirv_decoration_to_string(dec
->decoration
));
910 case SpvDecorationCPacked
:
911 case SpvDecorationSaturatedConversion
:
912 case SpvDecorationFuncParamAttr
:
913 case SpvDecorationFPRoundingMode
:
914 case SpvDecorationFPFastMathMode
:
915 case SpvDecorationAlignment
:
916 vtn_warn("Decoration only allowed for CL-style kernels: %s",
917 spirv_decoration_to_string(dec
->decoration
));
921 vtn_fail("Unhandled decoration");
926 translate_image_format(struct vtn_builder
*b
, SpvImageFormat format
)
929 case SpvImageFormatUnknown
: return 0; /* GL_NONE */
930 case SpvImageFormatRgba32f
: return 0x8814; /* GL_RGBA32F */
931 case SpvImageFormatRgba16f
: return 0x881A; /* GL_RGBA16F */
932 case SpvImageFormatR32f
: return 0x822E; /* GL_R32F */
933 case SpvImageFormatRgba8
: return 0x8058; /* GL_RGBA8 */
934 case SpvImageFormatRgba8Snorm
: return 0x8F97; /* GL_RGBA8_SNORM */
935 case SpvImageFormatRg32f
: return 0x8230; /* GL_RG32F */
936 case SpvImageFormatRg16f
: return 0x822F; /* GL_RG16F */
937 case SpvImageFormatR11fG11fB10f
: return 0x8C3A; /* GL_R11F_G11F_B10F */
938 case SpvImageFormatR16f
: return 0x822D; /* GL_R16F */
939 case SpvImageFormatRgba16
: return 0x805B; /* GL_RGBA16 */
940 case SpvImageFormatRgb10A2
: return 0x8059; /* GL_RGB10_A2 */
941 case SpvImageFormatRg16
: return 0x822C; /* GL_RG16 */
942 case SpvImageFormatRg8
: return 0x822B; /* GL_RG8 */
943 case SpvImageFormatR16
: return 0x822A; /* GL_R16 */
944 case SpvImageFormatR8
: return 0x8229; /* GL_R8 */
945 case SpvImageFormatRgba16Snorm
: return 0x8F9B; /* GL_RGBA16_SNORM */
946 case SpvImageFormatRg16Snorm
: return 0x8F99; /* GL_RG16_SNORM */
947 case SpvImageFormatRg8Snorm
: return 0x8F95; /* GL_RG8_SNORM */
948 case SpvImageFormatR16Snorm
: return 0x8F98; /* GL_R16_SNORM */
949 case SpvImageFormatR8Snorm
: return 0x8F94; /* GL_R8_SNORM */
950 case SpvImageFormatRgba32i
: return 0x8D82; /* GL_RGBA32I */
951 case SpvImageFormatRgba16i
: return 0x8D88; /* GL_RGBA16I */
952 case SpvImageFormatRgba8i
: return 0x8D8E; /* GL_RGBA8I */
953 case SpvImageFormatR32i
: return 0x8235; /* GL_R32I */
954 case SpvImageFormatRg32i
: return 0x823B; /* GL_RG32I */
955 case SpvImageFormatRg16i
: return 0x8239; /* GL_RG16I */
956 case SpvImageFormatRg8i
: return 0x8237; /* GL_RG8I */
957 case SpvImageFormatR16i
: return 0x8233; /* GL_R16I */
958 case SpvImageFormatR8i
: return 0x8231; /* GL_R8I */
959 case SpvImageFormatRgba32ui
: return 0x8D70; /* GL_RGBA32UI */
960 case SpvImageFormatRgba16ui
: return 0x8D76; /* GL_RGBA16UI */
961 case SpvImageFormatRgba8ui
: return 0x8D7C; /* GL_RGBA8UI */
962 case SpvImageFormatR32ui
: return 0x8236; /* GL_R32UI */
963 case SpvImageFormatRgb10a2ui
: return 0x906F; /* GL_RGB10_A2UI */
964 case SpvImageFormatRg32ui
: return 0x823C; /* GL_RG32UI */
965 case SpvImageFormatRg16ui
: return 0x823A; /* GL_RG16UI */
966 case SpvImageFormatRg8ui
: return 0x8238; /* GL_RG8UI */
967 case SpvImageFormatR16ui
: return 0x8234; /* GL_R16UI */
968 case SpvImageFormatR8ui
: return 0x8232; /* GL_R8UI */
970 vtn_fail("Invalid image format");
974 static struct vtn_type
*
975 vtn_type_layout_std430(struct vtn_builder
*b
, struct vtn_type
*type
,
976 uint32_t *size_out
, uint32_t *align_out
)
978 switch (type
->base_type
) {
979 case vtn_base_type_scalar
: {
980 uint32_t comp_size
= glsl_get_bit_size(type
->type
) / 8;
981 *size_out
= comp_size
;
982 *align_out
= comp_size
;
986 case vtn_base_type_vector
: {
987 uint32_t comp_size
= glsl_get_bit_size(type
->type
) / 8;
988 unsigned align_comps
= type
->length
== 3 ? 4 : type
->length
;
989 *size_out
= comp_size
* type
->length
,
990 *align_out
= comp_size
* align_comps
;
994 case vtn_base_type_matrix
:
995 case vtn_base_type_array
: {
996 /* We're going to add an array stride */
997 type
= vtn_type_copy(b
, type
);
998 uint32_t elem_size
, elem_align
;
999 type
->array_element
= vtn_type_layout_std430(b
, type
->array_element
,
1000 &elem_size
, &elem_align
);
1001 type
->stride
= vtn_align_u32(elem_size
, elem_align
);
1002 *size_out
= type
->stride
* type
->length
;
1003 *align_out
= elem_align
;
1007 case vtn_base_type_struct
: {
1008 /* We're going to add member offsets */
1009 type
= vtn_type_copy(b
, type
);
1010 uint32_t offset
= 0;
1012 for (unsigned i
= 0; i
< type
->length
; i
++) {
1013 uint32_t mem_size
, mem_align
;
1014 type
->members
[i
] = vtn_type_layout_std430(b
, type
->members
[i
],
1015 &mem_size
, &mem_align
);
1016 offset
= vtn_align_u32(offset
, mem_align
);
1017 type
->offsets
[i
] = offset
;
1019 align
= MAX2(align
, mem_align
);
1027 unreachable("Invalid SPIR-V type for std430");
1032 vtn_handle_type(struct vtn_builder
*b
, SpvOp opcode
,
1033 const uint32_t *w
, unsigned count
)
1035 struct vtn_value
*val
= vtn_push_value(b
, w
[1], vtn_value_type_type
);
1037 val
->type
= rzalloc(b
, struct vtn_type
);
1038 val
->type
->id
= w
[1];
1042 val
->type
->base_type
= vtn_base_type_void
;
1043 val
->type
->type
= glsl_void_type();
1046 val
->type
->base_type
= vtn_base_type_scalar
;
1047 val
->type
->type
= glsl_bool_type();
1048 val
->type
->length
= 1;
1050 case SpvOpTypeInt
: {
1051 int bit_size
= w
[2];
1052 const bool signedness
= w
[3];
1053 val
->type
->base_type
= vtn_base_type_scalar
;
1056 val
->type
->type
= (signedness
? glsl_int64_t_type() : glsl_uint64_t_type());
1059 val
->type
->type
= (signedness
? glsl_int_type() : glsl_uint_type());
1062 val
->type
->type
= (signedness
? glsl_int16_t_type() : glsl_uint16_t_type());
1065 val
->type
->type
= (signedness
? glsl_int8_t_type() : glsl_uint8_t_type());
1068 vtn_fail("Invalid int bit size");
1070 val
->type
->length
= 1;
1074 case SpvOpTypeFloat
: {
1075 int bit_size
= w
[2];
1076 val
->type
->base_type
= vtn_base_type_scalar
;
1079 val
->type
->type
= glsl_float16_t_type();
1082 val
->type
->type
= glsl_float_type();
1085 val
->type
->type
= glsl_double_type();
1088 vtn_fail("Invalid float bit size");
1090 val
->type
->length
= 1;
1094 case SpvOpTypeVector
: {
1095 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1096 unsigned elems
= w
[3];
1098 vtn_fail_if(base
->base_type
!= vtn_base_type_scalar
,
1099 "Base type for OpTypeVector must be a scalar");
1100 vtn_fail_if((elems
< 2 || elems
> 4) && (elems
!= 8) && (elems
!= 16),
1101 "Invalid component count for OpTypeVector");
1103 val
->type
->base_type
= vtn_base_type_vector
;
1104 val
->type
->type
= glsl_vector_type(glsl_get_base_type(base
->type
), elems
);
1105 val
->type
->length
= elems
;
1106 val
->type
->stride
= glsl_get_bit_size(base
->type
) / 8;
1107 val
->type
->array_element
= base
;
1111 case SpvOpTypeMatrix
: {
1112 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1113 unsigned columns
= w
[3];
1115 vtn_fail_if(base
->base_type
!= vtn_base_type_vector
,
1116 "Base type for OpTypeMatrix must be a vector");
1117 vtn_fail_if(columns
< 2 || columns
> 4,
1118 "Invalid column count for OpTypeMatrix");
1120 val
->type
->base_type
= vtn_base_type_matrix
;
1121 val
->type
->type
= glsl_matrix_type(glsl_get_base_type(base
->type
),
1122 glsl_get_vector_elements(base
->type
),
1124 vtn_fail_if(glsl_type_is_error(val
->type
->type
),
1125 "Unsupported base type for OpTypeMatrix");
1126 assert(!glsl_type_is_error(val
->type
->type
));
1127 val
->type
->length
= columns
;
1128 val
->type
->array_element
= base
;
1129 val
->type
->row_major
= false;
1130 val
->type
->stride
= 0;
1134 case SpvOpTypeRuntimeArray
:
1135 case SpvOpTypeArray
: {
1136 struct vtn_type
*array_element
=
1137 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1139 if (opcode
== SpvOpTypeRuntimeArray
) {
1140 /* A length of 0 is used to denote unsized arrays */
1141 val
->type
->length
= 0;
1144 vtn_value(b
, w
[3], vtn_value_type_constant
)->constant
->values
[0].u32
[0];
1147 val
->type
->base_type
= vtn_base_type_array
;
1148 val
->type
->type
= glsl_array_type(array_element
->type
, val
->type
->length
);
1149 val
->type
->array_element
= array_element
;
1150 val
->type
->stride
= 0;
1154 case SpvOpTypeStruct
: {
1155 unsigned num_fields
= count
- 2;
1156 val
->type
->base_type
= vtn_base_type_struct
;
1157 val
->type
->length
= num_fields
;
1158 val
->type
->members
= ralloc_array(b
, struct vtn_type
*, num_fields
);
1159 val
->type
->offsets
= ralloc_array(b
, unsigned, num_fields
);
1161 NIR_VLA(struct glsl_struct_field
, fields
, count
);
1162 for (unsigned i
= 0; i
< num_fields
; i
++) {
1163 val
->type
->members
[i
] =
1164 vtn_value(b
, w
[i
+ 2], vtn_value_type_type
)->type
;
1165 fields
[i
] = (struct glsl_struct_field
) {
1166 .type
= val
->type
->members
[i
]->type
,
1167 .name
= ralloc_asprintf(b
, "field%d", i
),
1172 struct member_decoration_ctx ctx
= {
1173 .num_fields
= num_fields
,
1178 vtn_foreach_decoration(b
, val
, struct_member_decoration_cb
, &ctx
);
1179 vtn_foreach_decoration(b
, val
, struct_member_matrix_stride_cb
, &ctx
);
1181 const char *name
= val
->name
? val
->name
: "struct";
1183 val
->type
->type
= glsl_struct_type(fields
, num_fields
, name
);
1187 case SpvOpTypeFunction
: {
1188 val
->type
->base_type
= vtn_base_type_function
;
1189 val
->type
->type
= NULL
;
1191 val
->type
->return_type
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1193 const unsigned num_params
= count
- 3;
1194 val
->type
->length
= num_params
;
1195 val
->type
->params
= ralloc_array(b
, struct vtn_type
*, num_params
);
1196 for (unsigned i
= 0; i
< count
- 3; i
++) {
1197 val
->type
->params
[i
] =
1198 vtn_value(b
, w
[i
+ 3], vtn_value_type_type
)->type
;
1203 case SpvOpTypePointer
: {
1204 SpvStorageClass storage_class
= w
[2];
1205 struct vtn_type
*deref_type
=
1206 vtn_value(b
, w
[3], vtn_value_type_type
)->type
;
1208 val
->type
->base_type
= vtn_base_type_pointer
;
1209 val
->type
->storage_class
= storage_class
;
1210 val
->type
->deref
= deref_type
;
1212 if (storage_class
== SpvStorageClassUniform
||
1213 storage_class
== SpvStorageClassStorageBuffer
) {
1214 /* These can actually be stored to nir_variables and used as SSA
1215 * values so they need a real glsl_type.
1217 val
->type
->type
= glsl_vector_type(GLSL_TYPE_UINT
, 2);
1220 if (storage_class
== SpvStorageClassPushConstant
) {
1221 /* These can actually be stored to nir_variables and used as SSA
1222 * values so they need a real glsl_type.
1224 val
->type
->type
= glsl_uint_type();
1227 if (storage_class
== SpvStorageClassWorkgroup
) {
1228 /* These can actually be stored to nir_variables and used as SSA
1229 * values so they need a real glsl_type.
1231 val
->type
->type
= glsl_uint_type();
1232 if (b
->options
->lower_workgroup_access_to_offsets
) {
1233 uint32_t size
, align
;
1234 val
->type
->deref
= vtn_type_layout_std430(b
, val
->type
->deref
,
1236 val
->type
->length
= size
;
1237 val
->type
->align
= align
;
1243 case SpvOpTypeImage
: {
1244 val
->type
->base_type
= vtn_base_type_image
;
1246 const struct vtn_type
*sampled_type
=
1247 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1249 vtn_fail_if(sampled_type
->base_type
!= vtn_base_type_scalar
||
1250 glsl_get_bit_size(sampled_type
->type
) != 32,
1251 "Sampled type of OpTypeImage must be a 32-bit scalar");
1253 enum glsl_sampler_dim dim
;
1254 switch ((SpvDim
)w
[3]) {
1255 case SpvDim1D
: dim
= GLSL_SAMPLER_DIM_1D
; break;
1256 case SpvDim2D
: dim
= GLSL_SAMPLER_DIM_2D
; break;
1257 case SpvDim3D
: dim
= GLSL_SAMPLER_DIM_3D
; break;
1258 case SpvDimCube
: dim
= GLSL_SAMPLER_DIM_CUBE
; break;
1259 case SpvDimRect
: dim
= GLSL_SAMPLER_DIM_RECT
; break;
1260 case SpvDimBuffer
: dim
= GLSL_SAMPLER_DIM_BUF
; break;
1261 case SpvDimSubpassData
: dim
= GLSL_SAMPLER_DIM_SUBPASS
; break;
1263 vtn_fail("Invalid SPIR-V image dimensionality");
1266 bool is_shadow
= w
[4];
1267 bool is_array
= w
[5];
1268 bool multisampled
= w
[6];
1269 unsigned sampled
= w
[7];
1270 SpvImageFormat format
= w
[8];
1273 val
->type
->access_qualifier
= w
[9];
1275 val
->type
->access_qualifier
= SpvAccessQualifierReadWrite
;
1278 if (dim
== GLSL_SAMPLER_DIM_2D
)
1279 dim
= GLSL_SAMPLER_DIM_MS
;
1280 else if (dim
== GLSL_SAMPLER_DIM_SUBPASS
)
1281 dim
= GLSL_SAMPLER_DIM_SUBPASS_MS
;
1283 vtn_fail("Unsupported multisampled image type");
1286 val
->type
->image_format
= translate_image_format(b
, format
);
1288 enum glsl_base_type sampled_base_type
=
1289 glsl_get_base_type(sampled_type
->type
);
1291 val
->type
->sampled
= true;
1292 val
->type
->type
= glsl_sampler_type(dim
, is_shadow
, is_array
,
1294 } else if (sampled
== 2) {
1295 vtn_assert(!is_shadow
);
1296 val
->type
->sampled
= false;
1297 val
->type
->type
= glsl_image_type(dim
, is_array
, sampled_base_type
);
1299 vtn_fail("We need to know if the image will be sampled");
1304 case SpvOpTypeSampledImage
:
1305 val
->type
->base_type
= vtn_base_type_sampled_image
;
1306 val
->type
->image
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1307 val
->type
->type
= val
->type
->image
->type
;
1310 case SpvOpTypeSampler
:
1311 /* The actual sampler type here doesn't really matter. It gets
1312 * thrown away the moment you combine it with an image. What really
1313 * matters is that it's a sampler type as opposed to an integer type
1314 * so the backend knows what to do.
1316 val
->type
->base_type
= vtn_base_type_sampler
;
1317 val
->type
->type
= glsl_bare_sampler_type();
1320 case SpvOpTypeOpaque
:
1321 case SpvOpTypeEvent
:
1322 case SpvOpTypeDeviceEvent
:
1323 case SpvOpTypeReserveId
:
1324 case SpvOpTypeQueue
:
1327 vtn_fail("Unhandled opcode");
1330 vtn_foreach_decoration(b
, val
, type_decoration_cb
, NULL
);
1333 static nir_constant
*
1334 vtn_null_constant(struct vtn_builder
*b
, const struct glsl_type
*type
)
1336 nir_constant
*c
= rzalloc(b
, nir_constant
);
1338 /* For pointers and other typeless things, we have to return something but
1339 * it doesn't matter what.
1344 switch (glsl_get_base_type(type
)) {
1346 case GLSL_TYPE_UINT
:
1347 case GLSL_TYPE_INT16
:
1348 case GLSL_TYPE_UINT16
:
1349 case GLSL_TYPE_UINT8
:
1350 case GLSL_TYPE_INT8
:
1351 case GLSL_TYPE_INT64
:
1352 case GLSL_TYPE_UINT64
:
1353 case GLSL_TYPE_BOOL
:
1354 case GLSL_TYPE_FLOAT
:
1355 case GLSL_TYPE_FLOAT16
:
1356 case GLSL_TYPE_DOUBLE
:
1357 /* Nothing to do here. It's already initialized to zero */
1360 case GLSL_TYPE_ARRAY
:
1361 vtn_assert(glsl_get_length(type
) > 0);
1362 c
->num_elements
= glsl_get_length(type
);
1363 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1365 c
->elements
[0] = vtn_null_constant(b
, glsl_get_array_element(type
));
1366 for (unsigned i
= 1; i
< c
->num_elements
; i
++)
1367 c
->elements
[i
] = c
->elements
[0];
1370 case GLSL_TYPE_STRUCT
:
1371 c
->num_elements
= glsl_get_length(type
);
1372 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1374 for (unsigned i
= 0; i
< c
->num_elements
; i
++) {
1375 c
->elements
[i
] = vtn_null_constant(b
, glsl_get_struct_field(type
, i
));
1380 vtn_fail("Invalid type for null constant");
1387 spec_constant_decoration_cb(struct vtn_builder
*b
, struct vtn_value
*v
,
1388 int member
, const struct vtn_decoration
*dec
,
1391 vtn_assert(member
== -1);
1392 if (dec
->decoration
!= SpvDecorationSpecId
)
1395 struct spec_constant_value
*const_value
= data
;
1397 for (unsigned i
= 0; i
< b
->num_specializations
; i
++) {
1398 if (b
->specializations
[i
].id
== dec
->literals
[0]) {
1399 if (const_value
->is_double
)
1400 const_value
->data64
= b
->specializations
[i
].data64
;
1402 const_value
->data32
= b
->specializations
[i
].data32
;
1409 get_specialization(struct vtn_builder
*b
, struct vtn_value
*val
,
1410 uint32_t const_value
)
1412 struct spec_constant_value data
;
1413 data
.is_double
= false;
1414 data
.data32
= const_value
;
1415 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1420 get_specialization64(struct vtn_builder
*b
, struct vtn_value
*val
,
1421 uint64_t const_value
)
1423 struct spec_constant_value data
;
1424 data
.is_double
= true;
1425 data
.data64
= const_value
;
1426 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1431 handle_workgroup_size_decoration_cb(struct vtn_builder
*b
,
1432 struct vtn_value
*val
,
1434 const struct vtn_decoration
*dec
,
1437 vtn_assert(member
== -1);
1438 if (dec
->decoration
!= SpvDecorationBuiltIn
||
1439 dec
->literals
[0] != SpvBuiltInWorkgroupSize
)
1442 vtn_assert(val
->type
->type
== glsl_vector_type(GLSL_TYPE_UINT
, 3));
1444 b
->shader
->info
.cs
.local_size
[0] = val
->constant
->values
[0].u32
[0];
1445 b
->shader
->info
.cs
.local_size
[1] = val
->constant
->values
[0].u32
[1];
1446 b
->shader
->info
.cs
.local_size
[2] = val
->constant
->values
[0].u32
[2];
1450 vtn_handle_constant(struct vtn_builder
*b
, SpvOp opcode
,
1451 const uint32_t *w
, unsigned count
)
1453 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_constant
);
1454 val
->constant
= rzalloc(b
, nir_constant
);
1456 case SpvOpConstantTrue
:
1457 case SpvOpConstantFalse
:
1458 case SpvOpSpecConstantTrue
:
1459 case SpvOpSpecConstantFalse
: {
1460 vtn_fail_if(val
->type
->type
!= glsl_bool_type(),
1461 "Result type of %s must be OpTypeBool",
1462 spirv_op_to_string(opcode
));
1464 uint32_t int_val
= (opcode
== SpvOpConstantTrue
||
1465 opcode
== SpvOpSpecConstantTrue
);
1467 if (opcode
== SpvOpSpecConstantTrue
||
1468 opcode
== SpvOpSpecConstantFalse
)
1469 int_val
= get_specialization(b
, val
, int_val
);
1471 val
->constant
->values
[0].u32
[0] = int_val
? NIR_TRUE
: NIR_FALSE
;
1475 case SpvOpConstant
: {
1476 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1477 "Result type of %s must be a scalar",
1478 spirv_op_to_string(opcode
));
1479 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1482 val
->constant
->values
->u64
[0] = vtn_u64_literal(&w
[3]);
1485 val
->constant
->values
->u32
[0] = w
[3];
1488 val
->constant
->values
->u16
[0] = w
[3];
1491 val
->constant
->values
->u8
[0] = w
[3];
1494 vtn_fail("Unsupported SpvOpConstant bit size");
1499 case SpvOpSpecConstant
: {
1500 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1501 "Result type of %s must be a scalar",
1502 spirv_op_to_string(opcode
));
1503 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1506 val
->constant
->values
[0].u64
[0] =
1507 get_specialization64(b
, val
, vtn_u64_literal(&w
[3]));
1510 val
->constant
->values
[0].u32
[0] = get_specialization(b
, val
, w
[3]);
1513 val
->constant
->values
[0].u16
[0] = get_specialization(b
, val
, w
[3]);
1516 val
->constant
->values
[0].u8
[0] = get_specialization(b
, val
, w
[3]);
1519 vtn_fail("Unsupported SpvOpSpecConstant bit size");
1524 case SpvOpSpecConstantComposite
:
1525 case SpvOpConstantComposite
: {
1526 unsigned elem_count
= count
- 3;
1527 vtn_fail_if(elem_count
!= val
->type
->length
,
1528 "%s has %u constituents, expected %u",
1529 spirv_op_to_string(opcode
), elem_count
, val
->type
->length
);
1531 nir_constant
**elems
= ralloc_array(b
, nir_constant
*, elem_count
);
1532 for (unsigned i
= 0; i
< elem_count
; i
++) {
1533 struct vtn_value
*val
= vtn_untyped_value(b
, w
[i
+ 3]);
1535 if (val
->value_type
== vtn_value_type_constant
) {
1536 elems
[i
] = val
->constant
;
1538 vtn_fail_if(val
->value_type
!= vtn_value_type_undef
,
1539 "only constants or undefs allowed for "
1540 "SpvOpConstantComposite");
1541 /* to make it easier, just insert a NULL constant for now */
1542 elems
[i
] = vtn_null_constant(b
, val
->type
->type
);
1546 switch (val
->type
->base_type
) {
1547 case vtn_base_type_vector
: {
1548 assert(glsl_type_is_vector(val
->type
->type
));
1549 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1550 for (unsigned i
= 0; i
< elem_count
; i
++) {
1553 val
->constant
->values
[0].u64
[i
] = elems
[i
]->values
[0].u64
[0];
1556 val
->constant
->values
[0].u32
[i
] = elems
[i
]->values
[0].u32
[0];
1559 val
->constant
->values
[0].u16
[i
] = elems
[i
]->values
[0].u16
[0];
1562 val
->constant
->values
[0].u8
[i
] = elems
[i
]->values
[0].u8
[0];
1565 vtn_fail("Invalid SpvOpConstantComposite bit size");
1571 case vtn_base_type_matrix
:
1572 assert(glsl_type_is_matrix(val
->type
->type
));
1573 for (unsigned i
= 0; i
< elem_count
; i
++)
1574 val
->constant
->values
[i
] = elems
[i
]->values
[0];
1577 case vtn_base_type_struct
:
1578 case vtn_base_type_array
:
1579 ralloc_steal(val
->constant
, elems
);
1580 val
->constant
->num_elements
= elem_count
;
1581 val
->constant
->elements
= elems
;
1585 vtn_fail("Result type of %s must be a composite type",
1586 spirv_op_to_string(opcode
));
1591 case SpvOpSpecConstantOp
: {
1592 SpvOp opcode
= get_specialization(b
, val
, w
[3]);
1594 case SpvOpVectorShuffle
: {
1595 struct vtn_value
*v0
= &b
->values
[w
[4]];
1596 struct vtn_value
*v1
= &b
->values
[w
[5]];
1598 vtn_assert(v0
->value_type
== vtn_value_type_constant
||
1599 v0
->value_type
== vtn_value_type_undef
);
1600 vtn_assert(v1
->value_type
== vtn_value_type_constant
||
1601 v1
->value_type
== vtn_value_type_undef
);
1603 unsigned len0
= glsl_get_vector_elements(v0
->type
->type
);
1604 unsigned len1
= glsl_get_vector_elements(v1
->type
->type
);
1606 vtn_assert(len0
+ len1
< 16);
1608 unsigned bit_size
= glsl_get_bit_size(val
->type
->type
);
1609 unsigned bit_size0
= glsl_get_bit_size(v0
->type
->type
);
1610 unsigned bit_size1
= glsl_get_bit_size(v1
->type
->type
);
1612 vtn_assert(bit_size
== bit_size0
&& bit_size
== bit_size1
);
1613 (void)bit_size0
; (void)bit_size1
;
1615 if (bit_size
== 64) {
1617 if (v0
->value_type
== vtn_value_type_constant
) {
1618 for (unsigned i
= 0; i
< len0
; i
++)
1619 u64
[i
] = v0
->constant
->values
[0].u64
[i
];
1621 if (v1
->value_type
== vtn_value_type_constant
) {
1622 for (unsigned i
= 0; i
< len1
; i
++)
1623 u64
[len0
+ i
] = v1
->constant
->values
[0].u64
[i
];
1626 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1627 uint32_t comp
= w
[i
+ 6];
1628 /* If component is not used, set the value to a known constant
1629 * to detect if it is wrongly used.
1631 if (comp
== (uint32_t)-1)
1632 val
->constant
->values
[0].u64
[j
] = 0xdeadbeefdeadbeef;
1634 val
->constant
->values
[0].u64
[j
] = u64
[comp
];
1637 /* This is for both 32-bit and 16-bit values */
1639 if (v0
->value_type
== vtn_value_type_constant
) {
1640 for (unsigned i
= 0; i
< len0
; i
++)
1641 u32
[i
] = v0
->constant
->values
[0].u32
[i
];
1643 if (v1
->value_type
== vtn_value_type_constant
) {
1644 for (unsigned i
= 0; i
< len1
; i
++)
1645 u32
[len0
+ i
] = v1
->constant
->values
[0].u32
[i
];
1648 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1649 uint32_t comp
= w
[i
+ 6];
1650 /* If component is not used, set the value to a known constant
1651 * to detect if it is wrongly used.
1653 if (comp
== (uint32_t)-1)
1654 val
->constant
->values
[0].u32
[j
] = 0xdeadbeef;
1656 val
->constant
->values
[0].u32
[j
] = u32
[comp
];
1662 case SpvOpCompositeExtract
:
1663 case SpvOpCompositeInsert
: {
1664 struct vtn_value
*comp
;
1665 unsigned deref_start
;
1666 struct nir_constant
**c
;
1667 if (opcode
== SpvOpCompositeExtract
) {
1668 comp
= vtn_value(b
, w
[4], vtn_value_type_constant
);
1670 c
= &comp
->constant
;
1672 comp
= vtn_value(b
, w
[5], vtn_value_type_constant
);
1674 val
->constant
= nir_constant_clone(comp
->constant
,
1681 const struct vtn_type
*type
= comp
->type
;
1682 for (unsigned i
= deref_start
; i
< count
; i
++) {
1683 vtn_fail_if(w
[i
] > type
->length
,
1684 "%uth index of %s is %u but the type has only "
1685 "%u elements", i
- deref_start
,
1686 spirv_op_to_string(opcode
), w
[i
], type
->length
);
1688 switch (type
->base_type
) {
1689 case vtn_base_type_vector
:
1691 type
= type
->array_element
;
1694 case vtn_base_type_matrix
:
1695 assert(col
== 0 && elem
== -1);
1698 type
= type
->array_element
;
1701 case vtn_base_type_array
:
1702 c
= &(*c
)->elements
[w
[i
]];
1703 type
= type
->array_element
;
1706 case vtn_base_type_struct
:
1707 c
= &(*c
)->elements
[w
[i
]];
1708 type
= type
->members
[w
[i
]];
1712 vtn_fail("%s must only index into composite types",
1713 spirv_op_to_string(opcode
));
1717 if (opcode
== SpvOpCompositeExtract
) {
1721 unsigned num_components
= type
->length
;
1722 unsigned bit_size
= glsl_get_bit_size(type
->type
);
1723 for (unsigned i
= 0; i
< num_components
; i
++)
1726 val
->constant
->values
[0].u64
[i
] = (*c
)->values
[col
].u64
[elem
+ i
];
1729 val
->constant
->values
[0].u32
[i
] = (*c
)->values
[col
].u32
[elem
+ i
];
1732 val
->constant
->values
[0].u16
[i
] = (*c
)->values
[col
].u16
[elem
+ i
];
1735 val
->constant
->values
[0].u8
[i
] = (*c
)->values
[col
].u8
[elem
+ i
];
1738 vtn_fail("Invalid SpvOpCompositeExtract bit size");
1742 struct vtn_value
*insert
=
1743 vtn_value(b
, w
[4], vtn_value_type_constant
);
1744 vtn_assert(insert
->type
== type
);
1746 *c
= insert
->constant
;
1748 unsigned num_components
= type
->length
;
1749 unsigned bit_size
= glsl_get_bit_size(type
->type
);
1750 for (unsigned i
= 0; i
< num_components
; i
++)
1753 (*c
)->values
[col
].u64
[elem
+ i
] = insert
->constant
->values
[0].u64
[i
];
1756 (*c
)->values
[col
].u32
[elem
+ i
] = insert
->constant
->values
[0].u32
[i
];
1759 (*c
)->values
[col
].u16
[elem
+ i
] = insert
->constant
->values
[0].u16
[i
];
1762 (*c
)->values
[col
].u8
[elem
+ i
] = insert
->constant
->values
[0].u8
[i
];
1765 vtn_fail("Invalid SpvOpCompositeInsert bit size");
1774 nir_alu_type dst_alu_type
= nir_get_nir_type_for_glsl_type(val
->type
->type
);
1775 nir_alu_type src_alu_type
= dst_alu_type
;
1776 unsigned num_components
= glsl_get_vector_elements(val
->type
->type
);
1779 vtn_assert(count
<= 7);
1784 /* We have a source in a conversion */
1786 nir_get_nir_type_for_glsl_type(
1787 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1788 /* We use the bitsize of the conversion source to evaluate the opcode later */
1789 bit_size
= glsl_get_bit_size(
1790 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1793 bit_size
= glsl_get_bit_size(val
->type
->type
);
1796 nir_op op
= vtn_nir_alu_op_for_spirv_opcode(b
, opcode
, &swap
,
1797 nir_alu_type_get_type_size(src_alu_type
),
1798 nir_alu_type_get_type_size(dst_alu_type
));
1799 nir_const_value src
[4];
1801 for (unsigned i
= 0; i
< count
- 4; i
++) {
1802 struct vtn_value
*src_val
=
1803 vtn_value(b
, w
[4 + i
], vtn_value_type_constant
);
1805 /* If this is an unsized source, pull the bit size from the
1806 * source; otherwise, we'll use the bit size from the destination.
1808 if (!nir_alu_type_get_type_size(nir_op_infos
[op
].input_types
[i
]))
1809 bit_size
= glsl_get_bit_size(src_val
->type
->type
);
1811 unsigned j
= swap
? 1 - i
: i
;
1812 src
[j
] = src_val
->constant
->values
[0];
1815 /* fix up fixed size sources */
1822 for (unsigned i
= 0; i
< num_components
; ++i
) {
1824 case 64: src
[1].u32
[i
] = src
[1].u64
[i
]; break;
1825 case 16: src
[1].u32
[i
] = src
[1].u16
[i
]; break;
1826 case 8: src
[1].u32
[i
] = src
[1].u8
[i
]; break;
1835 val
->constant
->values
[0] =
1836 nir_eval_const_opcode(op
, num_components
, bit_size
, src
);
1843 case SpvOpConstantNull
:
1844 val
->constant
= vtn_null_constant(b
, val
->type
->type
);
1847 case SpvOpConstantSampler
:
1848 vtn_fail("OpConstantSampler requires Kernel Capability");
1852 vtn_fail("Unhandled opcode");
1855 /* Now that we have the value, update the workgroup size if needed */
1856 vtn_foreach_decoration(b
, val
, handle_workgroup_size_decoration_cb
, NULL
);
1859 struct vtn_ssa_value
*
1860 vtn_create_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
1862 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
1865 if (!glsl_type_is_vector_or_scalar(type
)) {
1866 unsigned elems
= glsl_get_length(type
);
1867 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
1868 for (unsigned i
= 0; i
< elems
; i
++) {
1869 const struct glsl_type
*child_type
;
1871 switch (glsl_get_base_type(type
)) {
1873 case GLSL_TYPE_UINT
:
1874 case GLSL_TYPE_INT16
:
1875 case GLSL_TYPE_UINT16
:
1876 case GLSL_TYPE_UINT8
:
1877 case GLSL_TYPE_INT8
:
1878 case GLSL_TYPE_INT64
:
1879 case GLSL_TYPE_UINT64
:
1880 case GLSL_TYPE_BOOL
:
1881 case GLSL_TYPE_FLOAT
:
1882 case GLSL_TYPE_FLOAT16
:
1883 case GLSL_TYPE_DOUBLE
:
1884 child_type
= glsl_get_column_type(type
);
1886 case GLSL_TYPE_ARRAY
:
1887 child_type
= glsl_get_array_element(type
);
1889 case GLSL_TYPE_STRUCT
:
1890 child_type
= glsl_get_struct_field(type
, i
);
1893 vtn_fail("unkown base type");
1896 val
->elems
[i
] = vtn_create_ssa_value(b
, child_type
);
1904 vtn_tex_src(struct vtn_builder
*b
, unsigned index
, nir_tex_src_type type
)
1907 src
.src
= nir_src_for_ssa(vtn_ssa_value(b
, index
)->def
);
1908 src
.src_type
= type
;
1913 vtn_handle_texture(struct vtn_builder
*b
, SpvOp opcode
,
1914 const uint32_t *w
, unsigned count
)
1916 if (opcode
== SpvOpSampledImage
) {
1917 struct vtn_value
*val
=
1918 vtn_push_value(b
, w
[2], vtn_value_type_sampled_image
);
1919 val
->sampled_image
= ralloc(b
, struct vtn_sampled_image
);
1920 val
->sampled_image
->type
=
1921 vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
1922 val
->sampled_image
->image
=
1923 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
1924 val
->sampled_image
->sampler
=
1925 vtn_value(b
, w
[4], vtn_value_type_pointer
)->pointer
;
1927 } else if (opcode
== SpvOpImage
) {
1928 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_pointer
);
1929 struct vtn_value
*src_val
= vtn_untyped_value(b
, w
[3]);
1930 if (src_val
->value_type
== vtn_value_type_sampled_image
) {
1931 val
->pointer
= src_val
->sampled_image
->image
;
1933 vtn_assert(src_val
->value_type
== vtn_value_type_pointer
);
1934 val
->pointer
= src_val
->pointer
;
1939 struct vtn_type
*ret_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
1940 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
1942 struct vtn_sampled_image sampled
;
1943 struct vtn_value
*sampled_val
= vtn_untyped_value(b
, w
[3]);
1944 if (sampled_val
->value_type
== vtn_value_type_sampled_image
) {
1945 sampled
= *sampled_val
->sampled_image
;
1947 vtn_assert(sampled_val
->value_type
== vtn_value_type_pointer
);
1948 sampled
.type
= sampled_val
->pointer
->type
;
1949 sampled
.image
= NULL
;
1950 sampled
.sampler
= sampled_val
->pointer
;
1953 const struct glsl_type
*image_type
= sampled
.type
->type
;
1954 const enum glsl_sampler_dim sampler_dim
= glsl_get_sampler_dim(image_type
);
1955 const bool is_array
= glsl_sampler_type_is_array(image_type
);
1957 /* Figure out the base texture operation */
1960 case SpvOpImageSampleImplicitLod
:
1961 case SpvOpImageSampleDrefImplicitLod
:
1962 case SpvOpImageSampleProjImplicitLod
:
1963 case SpvOpImageSampleProjDrefImplicitLod
:
1964 texop
= nir_texop_tex
;
1967 case SpvOpImageSampleExplicitLod
:
1968 case SpvOpImageSampleDrefExplicitLod
:
1969 case SpvOpImageSampleProjExplicitLod
:
1970 case SpvOpImageSampleProjDrefExplicitLod
:
1971 texop
= nir_texop_txl
;
1974 case SpvOpImageFetch
:
1975 if (glsl_get_sampler_dim(image_type
) == GLSL_SAMPLER_DIM_MS
) {
1976 texop
= nir_texop_txf_ms
;
1978 texop
= nir_texop_txf
;
1982 case SpvOpImageGather
:
1983 case SpvOpImageDrefGather
:
1984 texop
= nir_texop_tg4
;
1987 case SpvOpImageQuerySizeLod
:
1988 case SpvOpImageQuerySize
:
1989 texop
= nir_texop_txs
;
1992 case SpvOpImageQueryLod
:
1993 texop
= nir_texop_lod
;
1996 case SpvOpImageQueryLevels
:
1997 texop
= nir_texop_query_levels
;
2000 case SpvOpImageQuerySamples
:
2001 texop
= nir_texop_texture_samples
;
2005 vtn_fail("Unhandled opcode");
2008 nir_tex_src srcs
[10]; /* 10 should be enough */
2009 nir_tex_src
*p
= srcs
;
2011 nir_deref_instr
*sampler
= vtn_pointer_to_deref(b
, sampled
.sampler
);
2012 nir_deref_instr
*texture
=
2013 sampled
.image
? vtn_pointer_to_deref(b
, sampled
.image
) : sampler
;
2015 p
->src
= nir_src_for_ssa(&texture
->dest
.ssa
);
2016 p
->src_type
= nir_tex_src_texture_deref
;
2025 /* These operations require a sampler */
2026 p
->src
= nir_src_for_ssa(&sampler
->dest
.ssa
);
2027 p
->src_type
= nir_tex_src_sampler_deref
;
2031 case nir_texop_txf_ms
:
2034 case nir_texop_query_levels
:
2035 case nir_texop_texture_samples
:
2036 case nir_texop_samples_identical
:
2039 case nir_texop_txf_ms_mcs
:
2040 vtn_fail("unexpected nir_texop_txf_ms_mcs");
2045 struct nir_ssa_def
*coord
;
2046 unsigned coord_components
;
2048 case SpvOpImageSampleImplicitLod
:
2049 case SpvOpImageSampleExplicitLod
:
2050 case SpvOpImageSampleDrefImplicitLod
:
2051 case SpvOpImageSampleDrefExplicitLod
:
2052 case SpvOpImageSampleProjImplicitLod
:
2053 case SpvOpImageSampleProjExplicitLod
:
2054 case SpvOpImageSampleProjDrefImplicitLod
:
2055 case SpvOpImageSampleProjDrefExplicitLod
:
2056 case SpvOpImageFetch
:
2057 case SpvOpImageGather
:
2058 case SpvOpImageDrefGather
:
2059 case SpvOpImageQueryLod
: {
2060 /* All these types have the coordinate as their first real argument */
2061 switch (sampler_dim
) {
2062 case GLSL_SAMPLER_DIM_1D
:
2063 case GLSL_SAMPLER_DIM_BUF
:
2064 coord_components
= 1;
2066 case GLSL_SAMPLER_DIM_2D
:
2067 case GLSL_SAMPLER_DIM_RECT
:
2068 case GLSL_SAMPLER_DIM_MS
:
2069 coord_components
= 2;
2071 case GLSL_SAMPLER_DIM_3D
:
2072 case GLSL_SAMPLER_DIM_CUBE
:
2073 coord_components
= 3;
2076 vtn_fail("Invalid sampler type");
2079 if (is_array
&& texop
!= nir_texop_lod
)
2082 coord
= vtn_ssa_value(b
, w
[idx
++])->def
;
2083 p
->src
= nir_src_for_ssa(nir_channels(&b
->nb
, coord
,
2084 (1 << coord_components
) - 1));
2085 p
->src_type
= nir_tex_src_coord
;
2092 coord_components
= 0;
2097 case SpvOpImageSampleProjImplicitLod
:
2098 case SpvOpImageSampleProjExplicitLod
:
2099 case SpvOpImageSampleProjDrefImplicitLod
:
2100 case SpvOpImageSampleProjDrefExplicitLod
:
2101 /* These have the projector as the last coordinate component */
2102 p
->src
= nir_src_for_ssa(nir_channel(&b
->nb
, coord
, coord_components
));
2103 p
->src_type
= nir_tex_src_projector
;
2111 bool is_shadow
= false;
2112 unsigned gather_component
= 0;
2114 case SpvOpImageSampleDrefImplicitLod
:
2115 case SpvOpImageSampleDrefExplicitLod
:
2116 case SpvOpImageSampleProjDrefImplicitLod
:
2117 case SpvOpImageSampleProjDrefExplicitLod
:
2118 case SpvOpImageDrefGather
:
2119 /* These all have an explicit depth value as their next source */
2121 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_comparator
);
2124 case SpvOpImageGather
:
2125 /* This has a component as its next source */
2127 vtn_value(b
, w
[idx
++], vtn_value_type_constant
)->constant
->values
[0].u32
[0];
2134 /* For OpImageQuerySizeLod, we always have an LOD */
2135 if (opcode
== SpvOpImageQuerySizeLod
)
2136 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2138 /* Now we need to handle some number of optional arguments */
2139 const struct vtn_ssa_value
*gather_offsets
= NULL
;
2141 uint32_t operands
= w
[idx
++];
2143 if (operands
& SpvImageOperandsBiasMask
) {
2144 vtn_assert(texop
== nir_texop_tex
);
2145 texop
= nir_texop_txb
;
2146 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_bias
);
2149 if (operands
& SpvImageOperandsLodMask
) {
2150 vtn_assert(texop
== nir_texop_txl
|| texop
== nir_texop_txf
||
2151 texop
== nir_texop_txs
);
2152 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2155 if (operands
& SpvImageOperandsGradMask
) {
2156 vtn_assert(texop
== nir_texop_txl
);
2157 texop
= nir_texop_txd
;
2158 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddx
);
2159 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddy
);
2162 if (operands
& SpvImageOperandsOffsetMask
||
2163 operands
& SpvImageOperandsConstOffsetMask
)
2164 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_offset
);
2166 if (operands
& SpvImageOperandsConstOffsetsMask
) {
2167 nir_tex_src none
= {0};
2168 gather_offsets
= vtn_ssa_value(b
, w
[idx
++]);
2172 if (operands
& SpvImageOperandsSampleMask
) {
2173 vtn_assert(texop
== nir_texop_txf_ms
);
2174 texop
= nir_texop_txf_ms
;
2175 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ms_index
);
2178 if (operands
& SpvImageOperandsMinLodMask
) {
2179 vtn_assert(texop
== nir_texop_tex
||
2180 texop
== nir_texop_txb
||
2181 texop
== nir_texop_txd
);
2182 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_min_lod
);
2185 /* We should have now consumed exactly all of the arguments */
2186 vtn_assert(idx
== count
);
2188 nir_tex_instr
*instr
= nir_tex_instr_create(b
->shader
, p
- srcs
);
2191 memcpy(instr
->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
2193 instr
->coord_components
= coord_components
;
2194 instr
->sampler_dim
= sampler_dim
;
2195 instr
->is_array
= is_array
;
2196 instr
->is_shadow
= is_shadow
;
2197 instr
->is_new_style_shadow
=
2198 is_shadow
&& glsl_get_components(ret_type
->type
) == 1;
2199 instr
->component
= gather_component
;
2201 switch (glsl_get_sampler_result_type(image_type
)) {
2202 case GLSL_TYPE_FLOAT
: instr
->dest_type
= nir_type_float
; break;
2203 case GLSL_TYPE_INT
: instr
->dest_type
= nir_type_int
; break;
2204 case GLSL_TYPE_UINT
: instr
->dest_type
= nir_type_uint
; break;
2205 case GLSL_TYPE_BOOL
: instr
->dest_type
= nir_type_bool
; break;
2207 vtn_fail("Invalid base type for sampler result");
2210 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
2211 nir_tex_instr_dest_size(instr
), 32, NULL
);
2213 vtn_assert(glsl_get_vector_elements(ret_type
->type
) ==
2214 nir_tex_instr_dest_size(instr
));
2217 nir_instr
*instruction
;
2218 if (gather_offsets
) {
2219 vtn_assert(glsl_get_base_type(gather_offsets
->type
) == GLSL_TYPE_ARRAY
);
2220 vtn_assert(glsl_get_length(gather_offsets
->type
) == 4);
2221 nir_tex_instr
*instrs
[4] = {instr
, NULL
, NULL
, NULL
};
2223 /* Copy the current instruction 4x */
2224 for (uint32_t i
= 1; i
< 4; i
++) {
2225 instrs
[i
] = nir_tex_instr_create(b
->shader
, instr
->num_srcs
);
2226 instrs
[i
]->op
= instr
->op
;
2227 instrs
[i
]->coord_components
= instr
->coord_components
;
2228 instrs
[i
]->sampler_dim
= instr
->sampler_dim
;
2229 instrs
[i
]->is_array
= instr
->is_array
;
2230 instrs
[i
]->is_shadow
= instr
->is_shadow
;
2231 instrs
[i
]->is_new_style_shadow
= instr
->is_new_style_shadow
;
2232 instrs
[i
]->component
= instr
->component
;
2233 instrs
[i
]->dest_type
= instr
->dest_type
;
2235 memcpy(instrs
[i
]->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
2237 nir_ssa_dest_init(&instrs
[i
]->instr
, &instrs
[i
]->dest
,
2238 nir_tex_instr_dest_size(instr
), 32, NULL
);
2241 /* Fill in the last argument with the offset from the passed in offsets
2242 * and insert the instruction into the stream.
2244 for (uint32_t i
= 0; i
< 4; i
++) {
2246 src
.src
= nir_src_for_ssa(gather_offsets
->elems
[i
]->def
);
2247 src
.src_type
= nir_tex_src_offset
;
2248 instrs
[i
]->src
[instrs
[i
]->num_srcs
- 1] = src
;
2249 nir_builder_instr_insert(&b
->nb
, &instrs
[i
]->instr
);
2252 /* Combine the results of the 4 instructions by taking their .w
2255 nir_alu_instr
*vec4
= nir_alu_instr_create(b
->shader
, nir_op_vec4
);
2256 nir_ssa_dest_init(&vec4
->instr
, &vec4
->dest
.dest
, 4, 32, NULL
);
2257 vec4
->dest
.write_mask
= 0xf;
2258 for (uint32_t i
= 0; i
< 4; i
++) {
2259 vec4
->src
[i
].src
= nir_src_for_ssa(&instrs
[i
]->dest
.ssa
);
2260 vec4
->src
[i
].swizzle
[0] = 3;
2262 def
= &vec4
->dest
.dest
.ssa
;
2263 instruction
= &vec4
->instr
;
2265 def
= &instr
->dest
.ssa
;
2266 instruction
= &instr
->instr
;
2269 val
->ssa
= vtn_create_ssa_value(b
, ret_type
->type
);
2270 val
->ssa
->def
= def
;
2272 nir_builder_instr_insert(&b
->nb
, instruction
);
2276 fill_common_atomic_sources(struct vtn_builder
*b
, SpvOp opcode
,
2277 const uint32_t *w
, nir_src
*src
)
2280 case SpvOpAtomicIIncrement
:
2281 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, 1));
2284 case SpvOpAtomicIDecrement
:
2285 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, -1));
2288 case SpvOpAtomicISub
:
2290 nir_src_for_ssa(nir_ineg(&b
->nb
, vtn_ssa_value(b
, w
[6])->def
));
2293 case SpvOpAtomicCompareExchange
:
2294 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[8])->def
);
2295 src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[7])->def
);
2298 case SpvOpAtomicExchange
:
2299 case SpvOpAtomicIAdd
:
2300 case SpvOpAtomicSMin
:
2301 case SpvOpAtomicUMin
:
2302 case SpvOpAtomicSMax
:
2303 case SpvOpAtomicUMax
:
2304 case SpvOpAtomicAnd
:
2306 case SpvOpAtomicXor
:
2307 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[6])->def
);
2311 vtn_fail("Invalid SPIR-V atomic");
2315 static nir_ssa_def
*
2316 get_image_coord(struct vtn_builder
*b
, uint32_t value
)
2318 struct vtn_ssa_value
*coord
= vtn_ssa_value(b
, value
);
2320 /* The image_load_store intrinsics assume a 4-dim coordinate */
2321 unsigned dim
= glsl_get_vector_elements(coord
->type
);
2322 unsigned swizzle
[4];
2323 for (unsigned i
= 0; i
< 4; i
++)
2324 swizzle
[i
] = MIN2(i
, dim
- 1);
2326 return nir_swizzle(&b
->nb
, coord
->def
, swizzle
, 4, false);
2329 static nir_ssa_def
*
2330 expand_to_vec4(nir_builder
*b
, nir_ssa_def
*value
)
2332 if (value
->num_components
== 4)
2336 for (unsigned i
= 0; i
< 4; i
++)
2337 swiz
[i
] = i
< value
->num_components
? i
: 0;
2338 return nir_swizzle(b
, value
, swiz
, 4, false);
2342 vtn_handle_image(struct vtn_builder
*b
, SpvOp opcode
,
2343 const uint32_t *w
, unsigned count
)
2345 /* Just get this one out of the way */
2346 if (opcode
== SpvOpImageTexelPointer
) {
2347 struct vtn_value
*val
=
2348 vtn_push_value(b
, w
[2], vtn_value_type_image_pointer
);
2349 val
->image
= ralloc(b
, struct vtn_image_pointer
);
2351 val
->image
->image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2352 val
->image
->coord
= get_image_coord(b
, w
[4]);
2353 val
->image
->sample
= vtn_ssa_value(b
, w
[5])->def
;
2357 struct vtn_image_pointer image
;
2360 case SpvOpAtomicExchange
:
2361 case SpvOpAtomicCompareExchange
:
2362 case SpvOpAtomicCompareExchangeWeak
:
2363 case SpvOpAtomicIIncrement
:
2364 case SpvOpAtomicIDecrement
:
2365 case SpvOpAtomicIAdd
:
2366 case SpvOpAtomicISub
:
2367 case SpvOpAtomicLoad
:
2368 case SpvOpAtomicSMin
:
2369 case SpvOpAtomicUMin
:
2370 case SpvOpAtomicSMax
:
2371 case SpvOpAtomicUMax
:
2372 case SpvOpAtomicAnd
:
2374 case SpvOpAtomicXor
:
2375 image
= *vtn_value(b
, w
[3], vtn_value_type_image_pointer
)->image
;
2378 case SpvOpAtomicStore
:
2379 image
= *vtn_value(b
, w
[1], vtn_value_type_image_pointer
)->image
;
2382 case SpvOpImageQuerySize
:
2383 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2385 image
.sample
= NULL
;
2388 case SpvOpImageRead
:
2389 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2390 image
.coord
= get_image_coord(b
, w
[4]);
2392 if (count
> 5 && (w
[5] & SpvImageOperandsSampleMask
)) {
2393 vtn_assert(w
[5] == SpvImageOperandsSampleMask
);
2394 image
.sample
= vtn_ssa_value(b
, w
[6])->def
;
2396 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2400 case SpvOpImageWrite
:
2401 image
.image
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2402 image
.coord
= get_image_coord(b
, w
[2]);
2406 if (count
> 4 && (w
[4] & SpvImageOperandsSampleMask
)) {
2407 vtn_assert(w
[4] == SpvImageOperandsSampleMask
);
2408 image
.sample
= vtn_ssa_value(b
, w
[5])->def
;
2410 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2415 vtn_fail("Invalid image opcode");
2418 nir_intrinsic_op op
;
2420 #define OP(S, N) case SpvOp##S: op = nir_intrinsic_image_deref_##N; break;
2421 OP(ImageQuerySize
, size
)
2423 OP(ImageWrite
, store
)
2424 OP(AtomicLoad
, load
)
2425 OP(AtomicStore
, store
)
2426 OP(AtomicExchange
, atomic_exchange
)
2427 OP(AtomicCompareExchange
, atomic_comp_swap
)
2428 OP(AtomicIIncrement
, atomic_add
)
2429 OP(AtomicIDecrement
, atomic_add
)
2430 OP(AtomicIAdd
, atomic_add
)
2431 OP(AtomicISub
, atomic_add
)
2432 OP(AtomicSMin
, atomic_min
)
2433 OP(AtomicUMin
, atomic_min
)
2434 OP(AtomicSMax
, atomic_max
)
2435 OP(AtomicUMax
, atomic_max
)
2436 OP(AtomicAnd
, atomic_and
)
2437 OP(AtomicOr
, atomic_or
)
2438 OP(AtomicXor
, atomic_xor
)
2441 vtn_fail("Invalid image opcode");
2444 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
2446 nir_deref_instr
*image_deref
= vtn_pointer_to_deref(b
, image
.image
);
2447 intrin
->src
[0] = nir_src_for_ssa(&image_deref
->dest
.ssa
);
2449 /* ImageQuerySize doesn't take any extra parameters */
2450 if (opcode
!= SpvOpImageQuerySize
) {
2451 /* The image coordinate is always 4 components but we may not have that
2452 * many. Swizzle to compensate.
2454 intrin
->src
[1] = nir_src_for_ssa(expand_to_vec4(&b
->nb
, image
.coord
));
2455 intrin
->src
[2] = nir_src_for_ssa(image
.sample
);
2459 case SpvOpAtomicLoad
:
2460 case SpvOpImageQuerySize
:
2461 case SpvOpImageRead
:
2463 case SpvOpAtomicStore
:
2464 case SpvOpImageWrite
: {
2465 const uint32_t value_id
= opcode
== SpvOpAtomicStore
? w
[4] : w
[3];
2466 nir_ssa_def
*value
= vtn_ssa_value(b
, value_id
)->def
;
2467 /* nir_intrinsic_image_deref_store always takes a vec4 value */
2468 assert(op
== nir_intrinsic_image_deref_store
);
2469 intrin
->num_components
= 4;
2470 intrin
->src
[3] = nir_src_for_ssa(expand_to_vec4(&b
->nb
, value
));
2474 case SpvOpAtomicCompareExchange
:
2475 case SpvOpAtomicIIncrement
:
2476 case SpvOpAtomicIDecrement
:
2477 case SpvOpAtomicExchange
:
2478 case SpvOpAtomicIAdd
:
2479 case SpvOpAtomicISub
:
2480 case SpvOpAtomicSMin
:
2481 case SpvOpAtomicUMin
:
2482 case SpvOpAtomicSMax
:
2483 case SpvOpAtomicUMax
:
2484 case SpvOpAtomicAnd
:
2486 case SpvOpAtomicXor
:
2487 fill_common_atomic_sources(b
, opcode
, w
, &intrin
->src
[3]);
2491 vtn_fail("Invalid image opcode");
2494 if (opcode
!= SpvOpImageWrite
&& opcode
!= SpvOpAtomicStore
) {
2495 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2496 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2498 unsigned dest_components
= glsl_get_vector_elements(type
->type
);
2499 intrin
->num_components
= nir_intrinsic_infos
[op
].dest_components
;
2500 if (intrin
->num_components
== 0)
2501 intrin
->num_components
= dest_components
;
2503 nir_ssa_dest_init(&intrin
->instr
, &intrin
->dest
,
2504 intrin
->num_components
, 32, NULL
);
2506 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2508 nir_ssa_def
*result
= &intrin
->dest
.ssa
;
2509 if (intrin
->num_components
!= dest_components
)
2510 result
= nir_channels(&b
->nb
, result
, (1 << dest_components
) - 1);
2512 val
->ssa
= vtn_create_ssa_value(b
, type
->type
);
2513 val
->ssa
->def
= result
;
2515 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2519 static nir_intrinsic_op
2520 get_ssbo_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2523 case SpvOpAtomicLoad
: return nir_intrinsic_load_ssbo
;
2524 case SpvOpAtomicStore
: return nir_intrinsic_store_ssbo
;
2525 #define OP(S, N) case SpvOp##S: return nir_intrinsic_ssbo_##N;
2526 OP(AtomicExchange
, atomic_exchange
)
2527 OP(AtomicCompareExchange
, atomic_comp_swap
)
2528 OP(AtomicIIncrement
, atomic_add
)
2529 OP(AtomicIDecrement
, atomic_add
)
2530 OP(AtomicIAdd
, atomic_add
)
2531 OP(AtomicISub
, atomic_add
)
2532 OP(AtomicSMin
, atomic_imin
)
2533 OP(AtomicUMin
, atomic_umin
)
2534 OP(AtomicSMax
, atomic_imax
)
2535 OP(AtomicUMax
, atomic_umax
)
2536 OP(AtomicAnd
, atomic_and
)
2537 OP(AtomicOr
, atomic_or
)
2538 OP(AtomicXor
, atomic_xor
)
2541 vtn_fail("Invalid SSBO atomic");
2545 static nir_intrinsic_op
2546 get_uniform_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2549 #define OP(S, N) case SpvOp##S: return nir_intrinsic_atomic_counter_ ##N;
2550 OP(AtomicLoad
, read_deref
)
2551 OP(AtomicExchange
, exchange
)
2552 OP(AtomicCompareExchange
, comp_swap
)
2553 OP(AtomicIIncrement
, inc_deref
)
2554 OP(AtomicIDecrement
, post_dec_deref
)
2555 OP(AtomicIAdd
, add_deref
)
2556 OP(AtomicISub
, add_deref
)
2557 OP(AtomicUMin
, min_deref
)
2558 OP(AtomicUMax
, max_deref
)
2559 OP(AtomicAnd
, and_deref
)
2560 OP(AtomicOr
, or_deref
)
2561 OP(AtomicXor
, xor_deref
)
2564 /* We left the following out: AtomicStore, AtomicSMin and
2565 * AtomicSmax. Right now there are not nir intrinsics for them. At this
2566 * moment Atomic Counter support is needed for ARB_spirv support, so is
2567 * only need to support GLSL Atomic Counters that are uints and don't
2568 * allow direct storage.
2570 unreachable("Invalid uniform atomic");
2574 static nir_intrinsic_op
2575 get_shared_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2578 case SpvOpAtomicLoad
: return nir_intrinsic_load_shared
;
2579 case SpvOpAtomicStore
: return nir_intrinsic_store_shared
;
2580 #define OP(S, N) case SpvOp##S: return nir_intrinsic_shared_##N;
2581 OP(AtomicExchange
, atomic_exchange
)
2582 OP(AtomicCompareExchange
, atomic_comp_swap
)
2583 OP(AtomicIIncrement
, atomic_add
)
2584 OP(AtomicIDecrement
, atomic_add
)
2585 OP(AtomicIAdd
, atomic_add
)
2586 OP(AtomicISub
, atomic_add
)
2587 OP(AtomicSMin
, atomic_imin
)
2588 OP(AtomicUMin
, atomic_umin
)
2589 OP(AtomicSMax
, atomic_imax
)
2590 OP(AtomicUMax
, atomic_umax
)
2591 OP(AtomicAnd
, atomic_and
)
2592 OP(AtomicOr
, atomic_or
)
2593 OP(AtomicXor
, atomic_xor
)
2596 vtn_fail("Invalid shared atomic");
2600 static nir_intrinsic_op
2601 get_deref_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2604 case SpvOpAtomicLoad
: return nir_intrinsic_load_deref
;
2605 case SpvOpAtomicStore
: return nir_intrinsic_store_deref
;
2606 #define OP(S, N) case SpvOp##S: return nir_intrinsic_deref_##N;
2607 OP(AtomicExchange
, atomic_exchange
)
2608 OP(AtomicCompareExchange
, atomic_comp_swap
)
2609 OP(AtomicIIncrement
, atomic_add
)
2610 OP(AtomicIDecrement
, atomic_add
)
2611 OP(AtomicIAdd
, atomic_add
)
2612 OP(AtomicISub
, atomic_add
)
2613 OP(AtomicSMin
, atomic_imin
)
2614 OP(AtomicUMin
, atomic_umin
)
2615 OP(AtomicSMax
, atomic_imax
)
2616 OP(AtomicUMax
, atomic_umax
)
2617 OP(AtomicAnd
, atomic_and
)
2618 OP(AtomicOr
, atomic_or
)
2619 OP(AtomicXor
, atomic_xor
)
2622 vtn_fail("Invalid shared atomic");
2627 * Handles shared atomics, ssbo atomics and atomic counters.
2630 vtn_handle_atomics(struct vtn_builder
*b
, SpvOp opcode
,
2631 const uint32_t *w
, unsigned count
)
2633 struct vtn_pointer
*ptr
;
2634 nir_intrinsic_instr
*atomic
;
2637 case SpvOpAtomicLoad
:
2638 case SpvOpAtomicExchange
:
2639 case SpvOpAtomicCompareExchange
:
2640 case SpvOpAtomicCompareExchangeWeak
:
2641 case SpvOpAtomicIIncrement
:
2642 case SpvOpAtomicIDecrement
:
2643 case SpvOpAtomicIAdd
:
2644 case SpvOpAtomicISub
:
2645 case SpvOpAtomicSMin
:
2646 case SpvOpAtomicUMin
:
2647 case SpvOpAtomicSMax
:
2648 case SpvOpAtomicUMax
:
2649 case SpvOpAtomicAnd
:
2651 case SpvOpAtomicXor
:
2652 ptr
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2655 case SpvOpAtomicStore
:
2656 ptr
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2660 vtn_fail("Invalid SPIR-V atomic");
2664 SpvScope scope = w[4];
2665 SpvMemorySemanticsMask semantics = w[5];
2668 /* uniform as "atomic counter uniform" */
2669 if (ptr
->mode
== vtn_variable_mode_uniform
) {
2670 nir_deref_instr
*deref
= vtn_pointer_to_deref(b
, ptr
);
2671 const struct glsl_type
*deref_type
= deref
->type
;
2672 nir_intrinsic_op op
= get_uniform_nir_atomic_op(b
, opcode
);
2673 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2674 atomic
->src
[0] = nir_src_for_ssa(&deref
->dest
.ssa
);
2676 /* SSBO needs to initialize index/offset. In this case we don't need to,
2677 * as that info is already stored on the ptr->var->var nir_variable (see
2678 * vtn_create_variable)
2682 case SpvOpAtomicLoad
:
2683 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2686 case SpvOpAtomicStore
:
2687 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2688 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2691 case SpvOpAtomicExchange
:
2692 case SpvOpAtomicCompareExchange
:
2693 case SpvOpAtomicCompareExchangeWeak
:
2694 case SpvOpAtomicIIncrement
:
2695 case SpvOpAtomicIDecrement
:
2696 case SpvOpAtomicIAdd
:
2697 case SpvOpAtomicISub
:
2698 case SpvOpAtomicSMin
:
2699 case SpvOpAtomicUMin
:
2700 case SpvOpAtomicSMax
:
2701 case SpvOpAtomicUMax
:
2702 case SpvOpAtomicAnd
:
2704 case SpvOpAtomicXor
:
2705 /* Nothing: we don't need to call fill_common_atomic_sources here, as
2706 * atomic counter uniforms doesn't have sources
2711 unreachable("Invalid SPIR-V atomic");
2714 } else if (ptr
->mode
== vtn_variable_mode_workgroup
&&
2715 !b
->options
->lower_workgroup_access_to_offsets
) {
2716 nir_deref_instr
*deref
= vtn_pointer_to_deref(b
, ptr
);
2717 const struct glsl_type
*deref_type
= deref
->type
;
2718 nir_intrinsic_op op
= get_deref_nir_atomic_op(b
, opcode
);
2719 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2720 atomic
->src
[0] = nir_src_for_ssa(&deref
->dest
.ssa
);
2723 case SpvOpAtomicLoad
:
2724 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2727 case SpvOpAtomicStore
:
2728 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2729 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2730 atomic
->src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2733 case SpvOpAtomicExchange
:
2734 case SpvOpAtomicCompareExchange
:
2735 case SpvOpAtomicCompareExchangeWeak
:
2736 case SpvOpAtomicIIncrement
:
2737 case SpvOpAtomicIDecrement
:
2738 case SpvOpAtomicIAdd
:
2739 case SpvOpAtomicISub
:
2740 case SpvOpAtomicSMin
:
2741 case SpvOpAtomicUMin
:
2742 case SpvOpAtomicSMax
:
2743 case SpvOpAtomicUMax
:
2744 case SpvOpAtomicAnd
:
2746 case SpvOpAtomicXor
:
2747 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[1]);
2751 vtn_fail("Invalid SPIR-V atomic");
2755 nir_ssa_def
*offset
, *index
;
2756 offset
= vtn_pointer_to_offset(b
, ptr
, &index
);
2758 nir_intrinsic_op op
;
2759 if (ptr
->mode
== vtn_variable_mode_ssbo
) {
2760 op
= get_ssbo_nir_atomic_op(b
, opcode
);
2762 vtn_assert(ptr
->mode
== vtn_variable_mode_workgroup
&&
2763 b
->options
->lower_workgroup_access_to_offsets
);
2764 op
= get_shared_nir_atomic_op(b
, opcode
);
2767 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2771 case SpvOpAtomicLoad
:
2772 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2773 nir_intrinsic_set_align(atomic
, 4, 0);
2774 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2775 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2776 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2779 case SpvOpAtomicStore
:
2780 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2781 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2782 nir_intrinsic_set_align(atomic
, 4, 0);
2783 atomic
->src
[src
++] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2784 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2785 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2786 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2789 case SpvOpAtomicExchange
:
2790 case SpvOpAtomicCompareExchange
:
2791 case SpvOpAtomicCompareExchangeWeak
:
2792 case SpvOpAtomicIIncrement
:
2793 case SpvOpAtomicIDecrement
:
2794 case SpvOpAtomicIAdd
:
2795 case SpvOpAtomicISub
:
2796 case SpvOpAtomicSMin
:
2797 case SpvOpAtomicUMin
:
2798 case SpvOpAtomicSMax
:
2799 case SpvOpAtomicUMax
:
2800 case SpvOpAtomicAnd
:
2802 case SpvOpAtomicXor
:
2803 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2804 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2805 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2806 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[src
]);
2810 vtn_fail("Invalid SPIR-V atomic");
2814 if (opcode
!= SpvOpAtomicStore
) {
2815 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2817 nir_ssa_dest_init(&atomic
->instr
, &atomic
->dest
,
2818 glsl_get_vector_elements(type
->type
),
2819 glsl_get_bit_size(type
->type
), NULL
);
2821 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2822 val
->ssa
= rzalloc(b
, struct vtn_ssa_value
);
2823 val
->ssa
->def
= &atomic
->dest
.ssa
;
2824 val
->ssa
->type
= type
->type
;
2827 nir_builder_instr_insert(&b
->nb
, &atomic
->instr
);
2830 static nir_alu_instr
*
2831 create_vec(struct vtn_builder
*b
, unsigned num_components
, unsigned bit_size
)
2834 switch (num_components
) {
2835 case 1: op
= nir_op_imov
; break;
2836 case 2: op
= nir_op_vec2
; break;
2837 case 3: op
= nir_op_vec3
; break;
2838 case 4: op
= nir_op_vec4
; break;
2839 default: vtn_fail("bad vector size");
2842 nir_alu_instr
*vec
= nir_alu_instr_create(b
->shader
, op
);
2843 nir_ssa_dest_init(&vec
->instr
, &vec
->dest
.dest
, num_components
,
2845 vec
->dest
.write_mask
= (1 << num_components
) - 1;
2850 struct vtn_ssa_value
*
2851 vtn_ssa_transpose(struct vtn_builder
*b
, struct vtn_ssa_value
*src
)
2853 if (src
->transposed
)
2854 return src
->transposed
;
2856 struct vtn_ssa_value
*dest
=
2857 vtn_create_ssa_value(b
, glsl_transposed_type(src
->type
));
2859 for (unsigned i
= 0; i
< glsl_get_matrix_columns(dest
->type
); i
++) {
2860 nir_alu_instr
*vec
= create_vec(b
, glsl_get_matrix_columns(src
->type
),
2861 glsl_get_bit_size(src
->type
));
2862 if (glsl_type_is_vector_or_scalar(src
->type
)) {
2863 vec
->src
[0].src
= nir_src_for_ssa(src
->def
);
2864 vec
->src
[0].swizzle
[0] = i
;
2866 for (unsigned j
= 0; j
< glsl_get_matrix_columns(src
->type
); j
++) {
2867 vec
->src
[j
].src
= nir_src_for_ssa(src
->elems
[j
]->def
);
2868 vec
->src
[j
].swizzle
[0] = i
;
2871 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2872 dest
->elems
[i
]->def
= &vec
->dest
.dest
.ssa
;
2875 dest
->transposed
= src
;
2881 vtn_vector_extract(struct vtn_builder
*b
, nir_ssa_def
*src
, unsigned index
)
2883 return nir_channel(&b
->nb
, src
, index
);
2887 vtn_vector_insert(struct vtn_builder
*b
, nir_ssa_def
*src
, nir_ssa_def
*insert
,
2890 nir_alu_instr
*vec
= create_vec(b
, src
->num_components
,
2893 for (unsigned i
= 0; i
< src
->num_components
; i
++) {
2895 vec
->src
[i
].src
= nir_src_for_ssa(insert
);
2897 vec
->src
[i
].src
= nir_src_for_ssa(src
);
2898 vec
->src
[i
].swizzle
[0] = i
;
2902 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2904 return &vec
->dest
.dest
.ssa
;
2908 vtn_vector_extract_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
2911 nir_ssa_def
*dest
= vtn_vector_extract(b
, src
, 0);
2912 for (unsigned i
= 1; i
< src
->num_components
; i
++)
2913 dest
= nir_bcsel(&b
->nb
, nir_ieq(&b
->nb
, index
, nir_imm_int(&b
->nb
, i
)),
2914 vtn_vector_extract(b
, src
, i
), dest
);
2920 vtn_vector_insert_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
2921 nir_ssa_def
*insert
, nir_ssa_def
*index
)
2923 nir_ssa_def
*dest
= vtn_vector_insert(b
, src
, insert
, 0);
2924 for (unsigned i
= 1; i
< src
->num_components
; i
++)
2925 dest
= nir_bcsel(&b
->nb
, nir_ieq(&b
->nb
, index
, nir_imm_int(&b
->nb
, i
)),
2926 vtn_vector_insert(b
, src
, insert
, i
), dest
);
2931 static nir_ssa_def
*
2932 vtn_vector_shuffle(struct vtn_builder
*b
, unsigned num_components
,
2933 nir_ssa_def
*src0
, nir_ssa_def
*src1
,
2934 const uint32_t *indices
)
2936 nir_alu_instr
*vec
= create_vec(b
, num_components
, src0
->bit_size
);
2938 for (unsigned i
= 0; i
< num_components
; i
++) {
2939 uint32_t index
= indices
[i
];
2940 if (index
== 0xffffffff) {
2942 nir_src_for_ssa(nir_ssa_undef(&b
->nb
, 1, src0
->bit_size
));
2943 } else if (index
< src0
->num_components
) {
2944 vec
->src
[i
].src
= nir_src_for_ssa(src0
);
2945 vec
->src
[i
].swizzle
[0] = index
;
2947 vec
->src
[i
].src
= nir_src_for_ssa(src1
);
2948 vec
->src
[i
].swizzle
[0] = index
- src0
->num_components
;
2952 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2954 return &vec
->dest
.dest
.ssa
;
2958 * Concatentates a number of vectors/scalars together to produce a vector
2960 static nir_ssa_def
*
2961 vtn_vector_construct(struct vtn_builder
*b
, unsigned num_components
,
2962 unsigned num_srcs
, nir_ssa_def
**srcs
)
2964 nir_alu_instr
*vec
= create_vec(b
, num_components
, srcs
[0]->bit_size
);
2966 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
2968 * "When constructing a vector, there must be at least two Constituent
2971 vtn_assert(num_srcs
>= 2);
2973 unsigned dest_idx
= 0;
2974 for (unsigned i
= 0; i
< num_srcs
; i
++) {
2975 nir_ssa_def
*src
= srcs
[i
];
2976 vtn_assert(dest_idx
+ src
->num_components
<= num_components
);
2977 for (unsigned j
= 0; j
< src
->num_components
; j
++) {
2978 vec
->src
[dest_idx
].src
= nir_src_for_ssa(src
);
2979 vec
->src
[dest_idx
].swizzle
[0] = j
;
2984 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
2986 * "When constructing a vector, the total number of components in all
2987 * the operands must equal the number of components in Result Type."
2989 vtn_assert(dest_idx
== num_components
);
2991 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2993 return &vec
->dest
.dest
.ssa
;
2996 static struct vtn_ssa_value
*
2997 vtn_composite_copy(void *mem_ctx
, struct vtn_ssa_value
*src
)
2999 struct vtn_ssa_value
*dest
= rzalloc(mem_ctx
, struct vtn_ssa_value
);
3000 dest
->type
= src
->type
;
3002 if (glsl_type_is_vector_or_scalar(src
->type
)) {
3003 dest
->def
= src
->def
;
3005 unsigned elems
= glsl_get_length(src
->type
);
3007 dest
->elems
= ralloc_array(mem_ctx
, struct vtn_ssa_value
*, elems
);
3008 for (unsigned i
= 0; i
< elems
; i
++)
3009 dest
->elems
[i
] = vtn_composite_copy(mem_ctx
, src
->elems
[i
]);
3015 static struct vtn_ssa_value
*
3016 vtn_composite_insert(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
3017 struct vtn_ssa_value
*insert
, const uint32_t *indices
,
3018 unsigned num_indices
)
3020 struct vtn_ssa_value
*dest
= vtn_composite_copy(b
, src
);
3022 struct vtn_ssa_value
*cur
= dest
;
3024 for (i
= 0; i
< num_indices
- 1; i
++) {
3025 cur
= cur
->elems
[indices
[i
]];
3028 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
3029 /* According to the SPIR-V spec, OpCompositeInsert may work down to
3030 * the component granularity. In that case, the last index will be
3031 * the index to insert the scalar into the vector.
3034 cur
->def
= vtn_vector_insert(b
, cur
->def
, insert
->def
, indices
[i
]);
3036 cur
->elems
[indices
[i
]] = insert
;
3042 static struct vtn_ssa_value
*
3043 vtn_composite_extract(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
3044 const uint32_t *indices
, unsigned num_indices
)
3046 struct vtn_ssa_value
*cur
= src
;
3047 for (unsigned i
= 0; i
< num_indices
; i
++) {
3048 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
3049 vtn_assert(i
== num_indices
- 1);
3050 /* According to the SPIR-V spec, OpCompositeExtract may work down to
3051 * the component granularity. The last index will be the index of the
3052 * vector to extract.
3055 struct vtn_ssa_value
*ret
= rzalloc(b
, struct vtn_ssa_value
);
3056 ret
->type
= glsl_scalar_type(glsl_get_base_type(cur
->type
));
3057 ret
->def
= vtn_vector_extract(b
, cur
->def
, indices
[i
]);
3060 cur
= cur
->elems
[indices
[i
]];
3068 vtn_handle_composite(struct vtn_builder
*b
, SpvOp opcode
,
3069 const uint32_t *w
, unsigned count
)
3071 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
3072 const struct glsl_type
*type
=
3073 vtn_value(b
, w
[1], vtn_value_type_type
)->type
->type
;
3074 val
->ssa
= vtn_create_ssa_value(b
, type
);
3077 case SpvOpVectorExtractDynamic
:
3078 val
->ssa
->def
= vtn_vector_extract_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
3079 vtn_ssa_value(b
, w
[4])->def
);
3082 case SpvOpVectorInsertDynamic
:
3083 val
->ssa
->def
= vtn_vector_insert_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
3084 vtn_ssa_value(b
, w
[4])->def
,
3085 vtn_ssa_value(b
, w
[5])->def
);
3088 case SpvOpVectorShuffle
:
3089 val
->ssa
->def
= vtn_vector_shuffle(b
, glsl_get_vector_elements(type
),
3090 vtn_ssa_value(b
, w
[3])->def
,
3091 vtn_ssa_value(b
, w
[4])->def
,
3095 case SpvOpCompositeConstruct
: {
3096 unsigned elems
= count
- 3;
3098 if (glsl_type_is_vector_or_scalar(type
)) {
3099 nir_ssa_def
*srcs
[NIR_MAX_VEC_COMPONENTS
];
3100 for (unsigned i
= 0; i
< elems
; i
++)
3101 srcs
[i
] = vtn_ssa_value(b
, w
[3 + i
])->def
;
3103 vtn_vector_construct(b
, glsl_get_vector_elements(type
),
3106 val
->ssa
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
3107 for (unsigned i
= 0; i
< elems
; i
++)
3108 val
->ssa
->elems
[i
] = vtn_ssa_value(b
, w
[3 + i
]);
3112 case SpvOpCompositeExtract
:
3113 val
->ssa
= vtn_composite_extract(b
, vtn_ssa_value(b
, w
[3]),
3117 case SpvOpCompositeInsert
:
3118 val
->ssa
= vtn_composite_insert(b
, vtn_ssa_value(b
, w
[4]),
3119 vtn_ssa_value(b
, w
[3]),
3123 case SpvOpCopyObject
:
3124 val
->ssa
= vtn_composite_copy(b
, vtn_ssa_value(b
, w
[3]));
3128 vtn_fail("unknown composite operation");
3133 vtn_emit_barrier(struct vtn_builder
*b
, nir_intrinsic_op op
)
3135 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
3136 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3140 vtn_emit_memory_barrier(struct vtn_builder
*b
, SpvScope scope
,
3141 SpvMemorySemanticsMask semantics
)
3143 static const SpvMemorySemanticsMask all_memory_semantics
=
3144 SpvMemorySemanticsUniformMemoryMask
|
3145 SpvMemorySemanticsWorkgroupMemoryMask
|
3146 SpvMemorySemanticsAtomicCounterMemoryMask
|
3147 SpvMemorySemanticsImageMemoryMask
;
3149 /* If we're not actually doing a memory barrier, bail */
3150 if (!(semantics
& all_memory_semantics
))
3153 /* GL and Vulkan don't have these */
3154 vtn_assert(scope
!= SpvScopeCrossDevice
);
3156 if (scope
== SpvScopeSubgroup
)
3157 return; /* Nothing to do here */
3159 if (scope
== SpvScopeWorkgroup
) {
3160 vtn_emit_barrier(b
, nir_intrinsic_group_memory_barrier
);
3164 /* There's only two scopes thing left */
3165 vtn_assert(scope
== SpvScopeInvocation
|| scope
== SpvScopeDevice
);
3167 if ((semantics
& all_memory_semantics
) == all_memory_semantics
) {
3168 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier
);
3172 /* Issue a bunch of more specific barriers */
3173 uint32_t bits
= semantics
;
3175 SpvMemorySemanticsMask semantic
= 1 << u_bit_scan(&bits
);
3177 case SpvMemorySemanticsUniformMemoryMask
:
3178 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_buffer
);
3180 case SpvMemorySemanticsWorkgroupMemoryMask
:
3181 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_shared
);
3183 case SpvMemorySemanticsAtomicCounterMemoryMask
:
3184 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_atomic_counter
);
3186 case SpvMemorySemanticsImageMemoryMask
:
3187 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_image
);
3196 vtn_handle_barrier(struct vtn_builder
*b
, SpvOp opcode
,
3197 const uint32_t *w
, unsigned count
)
3200 case SpvOpEmitVertex
:
3201 case SpvOpEmitStreamVertex
:
3202 case SpvOpEndPrimitive
:
3203 case SpvOpEndStreamPrimitive
: {
3204 nir_intrinsic_op intrinsic_op
;
3206 case SpvOpEmitVertex
:
3207 case SpvOpEmitStreamVertex
:
3208 intrinsic_op
= nir_intrinsic_emit_vertex
;
3210 case SpvOpEndPrimitive
:
3211 case SpvOpEndStreamPrimitive
:
3212 intrinsic_op
= nir_intrinsic_end_primitive
;
3215 unreachable("Invalid opcode");
3218 nir_intrinsic_instr
*intrin
=
3219 nir_intrinsic_instr_create(b
->shader
, intrinsic_op
);
3222 case SpvOpEmitStreamVertex
:
3223 case SpvOpEndStreamPrimitive
: {
3224 unsigned stream
= vtn_constant_value(b
, w
[1])->values
[0].u32
[0];
3225 nir_intrinsic_set_stream_id(intrin
, stream
);
3233 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3237 case SpvOpMemoryBarrier
: {
3238 SpvScope scope
= vtn_constant_value(b
, w
[1])->values
[0].u32
[0];
3239 SpvMemorySemanticsMask semantics
=
3240 vtn_constant_value(b
, w
[2])->values
[0].u32
[0];
3241 vtn_emit_memory_barrier(b
, scope
, semantics
);
3245 case SpvOpControlBarrier
: {
3246 SpvScope execution_scope
=
3247 vtn_constant_value(b
, w
[1])->values
[0].u32
[0];
3248 if (execution_scope
== SpvScopeWorkgroup
)
3249 vtn_emit_barrier(b
, nir_intrinsic_barrier
);
3251 SpvScope memory_scope
=
3252 vtn_constant_value(b
, w
[2])->values
[0].u32
[0];
3253 SpvMemorySemanticsMask memory_semantics
=
3254 vtn_constant_value(b
, w
[3])->values
[0].u32
[0];
3255 vtn_emit_memory_barrier(b
, memory_scope
, memory_semantics
);
3260 unreachable("unknown barrier instruction");
3265 gl_primitive_from_spv_execution_mode(struct vtn_builder
*b
,
3266 SpvExecutionMode mode
)
3269 case SpvExecutionModeInputPoints
:
3270 case SpvExecutionModeOutputPoints
:
3271 return 0; /* GL_POINTS */
3272 case SpvExecutionModeInputLines
:
3273 return 1; /* GL_LINES */
3274 case SpvExecutionModeInputLinesAdjacency
:
3275 return 0x000A; /* GL_LINE_STRIP_ADJACENCY_ARB */
3276 case SpvExecutionModeTriangles
:
3277 return 4; /* GL_TRIANGLES */
3278 case SpvExecutionModeInputTrianglesAdjacency
:
3279 return 0x000C; /* GL_TRIANGLES_ADJACENCY_ARB */
3280 case SpvExecutionModeQuads
:
3281 return 7; /* GL_QUADS */
3282 case SpvExecutionModeIsolines
:
3283 return 0x8E7A; /* GL_ISOLINES */
3284 case SpvExecutionModeOutputLineStrip
:
3285 return 3; /* GL_LINE_STRIP */
3286 case SpvExecutionModeOutputTriangleStrip
:
3287 return 5; /* GL_TRIANGLE_STRIP */
3289 vtn_fail("Invalid primitive type");
3294 vertices_in_from_spv_execution_mode(struct vtn_builder
*b
,
3295 SpvExecutionMode mode
)
3298 case SpvExecutionModeInputPoints
:
3300 case SpvExecutionModeInputLines
:
3302 case SpvExecutionModeInputLinesAdjacency
:
3304 case SpvExecutionModeTriangles
:
3306 case SpvExecutionModeInputTrianglesAdjacency
:
3309 vtn_fail("Invalid GS input mode");
3313 static gl_shader_stage
3314 stage_for_execution_model(struct vtn_builder
*b
, SpvExecutionModel model
)
3317 case SpvExecutionModelVertex
:
3318 return MESA_SHADER_VERTEX
;
3319 case SpvExecutionModelTessellationControl
:
3320 return MESA_SHADER_TESS_CTRL
;
3321 case SpvExecutionModelTessellationEvaluation
:
3322 return MESA_SHADER_TESS_EVAL
;
3323 case SpvExecutionModelGeometry
:
3324 return MESA_SHADER_GEOMETRY
;
3325 case SpvExecutionModelFragment
:
3326 return MESA_SHADER_FRAGMENT
;
3327 case SpvExecutionModelGLCompute
:
3328 return MESA_SHADER_COMPUTE
;
3330 vtn_fail("Unsupported execution model");
3334 #define spv_check_supported(name, cap) do { \
3335 if (!(b->options && b->options->caps.name)) \
3336 vtn_warn("Unsupported SPIR-V capability: %s", \
3337 spirv_capability_to_string(cap)); \
3342 vtn_handle_entry_point(struct vtn_builder
*b
, const uint32_t *w
,
3345 struct vtn_value
*entry_point
= &b
->values
[w
[2]];
3346 /* Let this be a name label regardless */
3347 unsigned name_words
;
3348 entry_point
->name
= vtn_string_literal(b
, &w
[3], count
- 3, &name_words
);
3350 if (strcmp(entry_point
->name
, b
->entry_point_name
) != 0 ||
3351 stage_for_execution_model(b
, w
[1]) != b
->entry_point_stage
)
3354 vtn_assert(b
->entry_point
== NULL
);
3355 b
->entry_point
= entry_point
;
3359 vtn_handle_preamble_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3360 const uint32_t *w
, unsigned count
)
3367 case SpvSourceLanguageUnknown
: lang
= "unknown"; break;
3368 case SpvSourceLanguageESSL
: lang
= "ESSL"; break;
3369 case SpvSourceLanguageGLSL
: lang
= "GLSL"; break;
3370 case SpvSourceLanguageOpenCL_C
: lang
= "OpenCL C"; break;
3371 case SpvSourceLanguageOpenCL_CPP
: lang
= "OpenCL C++"; break;
3372 case SpvSourceLanguageHLSL
: lang
= "HLSL"; break;
3375 uint32_t version
= w
[2];
3378 (count
> 3) ? vtn_value(b
, w
[3], vtn_value_type_string
)->str
: "";
3380 vtn_info("Parsing SPIR-V from %s %u source file %s", lang
, version
, file
);
3384 case SpvOpSourceExtension
:
3385 case SpvOpSourceContinued
:
3386 case SpvOpExtension
:
3387 case SpvOpModuleProcessed
:
3388 /* Unhandled, but these are for debug so that's ok. */
3391 case SpvOpCapability
: {
3392 SpvCapability cap
= w
[1];
3394 case SpvCapabilityMatrix
:
3395 case SpvCapabilityShader
:
3396 case SpvCapabilityGeometry
:
3397 case SpvCapabilityGeometryPointSize
:
3398 case SpvCapabilityUniformBufferArrayDynamicIndexing
:
3399 case SpvCapabilitySampledImageArrayDynamicIndexing
:
3400 case SpvCapabilityStorageBufferArrayDynamicIndexing
:
3401 case SpvCapabilityStorageImageArrayDynamicIndexing
:
3402 case SpvCapabilityImageRect
:
3403 case SpvCapabilitySampledRect
:
3404 case SpvCapabilitySampled1D
:
3405 case SpvCapabilityImage1D
:
3406 case SpvCapabilitySampledCubeArray
:
3407 case SpvCapabilityImageCubeArray
:
3408 case SpvCapabilitySampledBuffer
:
3409 case SpvCapabilityImageBuffer
:
3410 case SpvCapabilityImageQuery
:
3411 case SpvCapabilityDerivativeControl
:
3412 case SpvCapabilityInterpolationFunction
:
3413 case SpvCapabilityMultiViewport
:
3414 case SpvCapabilitySampleRateShading
:
3415 case SpvCapabilityClipDistance
:
3416 case SpvCapabilityCullDistance
:
3417 case SpvCapabilityInputAttachment
:
3418 case SpvCapabilityImageGatherExtended
:
3419 case SpvCapabilityStorageImageExtendedFormats
:
3422 case SpvCapabilityLinkage
:
3423 case SpvCapabilityVector16
:
3424 case SpvCapabilityFloat16Buffer
:
3425 case SpvCapabilityFloat16
:
3426 case SpvCapabilityStorageImageMultisample
:
3427 case SpvCapabilityInt8
:
3428 case SpvCapabilitySparseResidency
:
3429 vtn_warn("Unsupported SPIR-V capability: %s",
3430 spirv_capability_to_string(cap
));
3433 case SpvCapabilityMinLod
:
3434 spv_check_supported(min_lod
, cap
);
3437 case SpvCapabilityAtomicStorage
:
3438 spv_check_supported(atomic_storage
, cap
);
3441 case SpvCapabilityFloat64
:
3442 spv_check_supported(float64
, cap
);
3444 case SpvCapabilityInt64
:
3445 spv_check_supported(int64
, cap
);
3447 case SpvCapabilityInt16
:
3448 spv_check_supported(int16
, cap
);
3451 case SpvCapabilityTransformFeedback
:
3452 spv_check_supported(transform_feedback
, cap
);
3455 case SpvCapabilityGeometryStreams
:
3456 spv_check_supported(geometry_streams
, cap
);
3459 case SpvCapabilityInt64Atomics
:
3460 spv_check_supported(int64_atomics
, cap
);
3463 case SpvCapabilityAddresses
:
3464 case SpvCapabilityKernel
:
3465 case SpvCapabilityImageBasic
:
3466 case SpvCapabilityImageReadWrite
:
3467 case SpvCapabilityImageMipmap
:
3468 case SpvCapabilityPipes
:
3469 case SpvCapabilityGroups
:
3470 case SpvCapabilityDeviceEnqueue
:
3471 case SpvCapabilityLiteralSampler
:
3472 case SpvCapabilityGenericPointer
:
3473 vtn_warn("Unsupported OpenCL-style SPIR-V capability: %s",
3474 spirv_capability_to_string(cap
));
3477 case SpvCapabilityImageMSArray
:
3478 spv_check_supported(image_ms_array
, cap
);
3481 case SpvCapabilityTessellation
:
3482 case SpvCapabilityTessellationPointSize
:
3483 spv_check_supported(tessellation
, cap
);
3486 case SpvCapabilityDrawParameters
:
3487 spv_check_supported(draw_parameters
, cap
);
3490 case SpvCapabilityStorageImageReadWithoutFormat
:
3491 spv_check_supported(image_read_without_format
, cap
);
3494 case SpvCapabilityStorageImageWriteWithoutFormat
:
3495 spv_check_supported(image_write_without_format
, cap
);
3498 case SpvCapabilityDeviceGroup
:
3499 spv_check_supported(device_group
, cap
);
3502 case SpvCapabilityMultiView
:
3503 spv_check_supported(multiview
, cap
);
3506 case SpvCapabilityGroupNonUniform
:
3507 spv_check_supported(subgroup_basic
, cap
);
3510 case SpvCapabilityGroupNonUniformVote
:
3511 spv_check_supported(subgroup_vote
, cap
);
3514 case SpvCapabilitySubgroupBallotKHR
:
3515 case SpvCapabilityGroupNonUniformBallot
:
3516 spv_check_supported(subgroup_ballot
, cap
);
3519 case SpvCapabilityGroupNonUniformShuffle
:
3520 case SpvCapabilityGroupNonUniformShuffleRelative
:
3521 spv_check_supported(subgroup_shuffle
, cap
);
3524 case SpvCapabilityGroupNonUniformQuad
:
3525 spv_check_supported(subgroup_quad
, cap
);
3528 case SpvCapabilityGroupNonUniformArithmetic
:
3529 case SpvCapabilityGroupNonUniformClustered
:
3530 spv_check_supported(subgroup_arithmetic
, cap
);
3533 case SpvCapabilityVariablePointersStorageBuffer
:
3534 case SpvCapabilityVariablePointers
:
3535 spv_check_supported(variable_pointers
, cap
);
3538 case SpvCapabilityStorageUniformBufferBlock16
:
3539 case SpvCapabilityStorageUniform16
:
3540 case SpvCapabilityStoragePushConstant16
:
3541 case SpvCapabilityStorageInputOutput16
:
3542 spv_check_supported(storage_16bit
, cap
);
3545 case SpvCapabilityShaderViewportIndexLayerEXT
:
3546 spv_check_supported(shader_viewport_index_layer
, cap
);
3549 case SpvCapabilityStorageBuffer8BitAccess
:
3550 case SpvCapabilityUniformAndStorageBuffer8BitAccess
:
3551 case SpvCapabilityStoragePushConstant8
:
3552 spv_check_supported(storage_8bit
, cap
);
3555 case SpvCapabilityInputAttachmentArrayDynamicIndexingEXT
:
3556 case SpvCapabilityUniformTexelBufferArrayDynamicIndexingEXT
:
3557 case SpvCapabilityStorageTexelBufferArrayDynamicIndexingEXT
:
3558 spv_check_supported(descriptor_array_dynamic_indexing
, cap
);
3561 case SpvCapabilityRuntimeDescriptorArrayEXT
:
3562 spv_check_supported(runtime_descriptor_array
, cap
);
3565 case SpvCapabilityStencilExportEXT
:
3566 spv_check_supported(stencil_export
, cap
);
3569 case SpvCapabilitySampleMaskPostDepthCoverage
:
3570 spv_check_supported(post_depth_coverage
, cap
);
3574 vtn_fail("Unhandled capability");
3579 case SpvOpExtInstImport
:
3580 vtn_handle_extension(b
, opcode
, w
, count
);
3583 case SpvOpMemoryModel
:
3584 vtn_assert(w
[1] == SpvAddressingModelLogical
);
3585 vtn_assert(w
[2] == SpvMemoryModelSimple
||
3586 w
[2] == SpvMemoryModelGLSL450
);
3589 case SpvOpEntryPoint
:
3590 vtn_handle_entry_point(b
, w
, count
);
3594 vtn_push_value(b
, w
[1], vtn_value_type_string
)->str
=
3595 vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3599 b
->values
[w
[1]].name
= vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3602 case SpvOpMemberName
:
3606 case SpvOpExecutionMode
:
3607 case SpvOpDecorationGroup
:
3609 case SpvOpMemberDecorate
:
3610 case SpvOpGroupDecorate
:
3611 case SpvOpGroupMemberDecorate
:
3612 case SpvOpDecorateStringGOOGLE
:
3613 case SpvOpMemberDecorateStringGOOGLE
:
3614 vtn_handle_decoration(b
, opcode
, w
, count
);
3618 return false; /* End of preamble */
3625 vtn_handle_execution_mode(struct vtn_builder
*b
, struct vtn_value
*entry_point
,
3626 const struct vtn_decoration
*mode
, void *data
)
3628 vtn_assert(b
->entry_point
== entry_point
);
3630 switch(mode
->exec_mode
) {
3631 case SpvExecutionModeOriginUpperLeft
:
3632 case SpvExecutionModeOriginLowerLeft
:
3633 b
->origin_upper_left
=
3634 (mode
->exec_mode
== SpvExecutionModeOriginUpperLeft
);
3637 case SpvExecutionModeEarlyFragmentTests
:
3638 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3639 b
->shader
->info
.fs
.early_fragment_tests
= true;
3642 case SpvExecutionModePostDepthCoverage
:
3643 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3644 b
->shader
->info
.fs
.post_depth_coverage
= true;
3647 case SpvExecutionModeInvocations
:
3648 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3649 b
->shader
->info
.gs
.invocations
= MAX2(1, mode
->literals
[0]);
3652 case SpvExecutionModeDepthReplacing
:
3653 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3654 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_ANY
;
3656 case SpvExecutionModeDepthGreater
:
3657 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3658 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_GREATER
;
3660 case SpvExecutionModeDepthLess
:
3661 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3662 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_LESS
;
3664 case SpvExecutionModeDepthUnchanged
:
3665 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3666 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_UNCHANGED
;
3669 case SpvExecutionModeLocalSize
:
3670 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_COMPUTE
);
3671 b
->shader
->info
.cs
.local_size
[0] = mode
->literals
[0];
3672 b
->shader
->info
.cs
.local_size
[1] = mode
->literals
[1];
3673 b
->shader
->info
.cs
.local_size
[2] = mode
->literals
[2];
3675 case SpvExecutionModeLocalSizeHint
:
3676 break; /* Nothing to do with this */
3678 case SpvExecutionModeOutputVertices
:
3679 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3680 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3681 b
->shader
->info
.tess
.tcs_vertices_out
= mode
->literals
[0];
3683 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3684 b
->shader
->info
.gs
.vertices_out
= mode
->literals
[0];
3688 case SpvExecutionModeInputPoints
:
3689 case SpvExecutionModeInputLines
:
3690 case SpvExecutionModeInputLinesAdjacency
:
3691 case SpvExecutionModeTriangles
:
3692 case SpvExecutionModeInputTrianglesAdjacency
:
3693 case SpvExecutionModeQuads
:
3694 case SpvExecutionModeIsolines
:
3695 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3696 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3697 b
->shader
->info
.tess
.primitive_mode
=
3698 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3700 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3701 b
->shader
->info
.gs
.vertices_in
=
3702 vertices_in_from_spv_execution_mode(b
, mode
->exec_mode
);
3703 b
->shader
->info
.gs
.input_primitive
=
3704 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3708 case SpvExecutionModeOutputPoints
:
3709 case SpvExecutionModeOutputLineStrip
:
3710 case SpvExecutionModeOutputTriangleStrip
:
3711 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3712 b
->shader
->info
.gs
.output_primitive
=
3713 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3716 case SpvExecutionModeSpacingEqual
:
3717 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3718 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3719 b
->shader
->info
.tess
.spacing
= TESS_SPACING_EQUAL
;
3721 case SpvExecutionModeSpacingFractionalEven
:
3722 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3723 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3724 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_EVEN
;
3726 case SpvExecutionModeSpacingFractionalOdd
:
3727 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3728 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3729 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_ODD
;
3731 case SpvExecutionModeVertexOrderCw
:
3732 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3733 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3734 b
->shader
->info
.tess
.ccw
= false;
3736 case SpvExecutionModeVertexOrderCcw
:
3737 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3738 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3739 b
->shader
->info
.tess
.ccw
= true;
3741 case SpvExecutionModePointMode
:
3742 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3743 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3744 b
->shader
->info
.tess
.point_mode
= true;
3747 case SpvExecutionModePixelCenterInteger
:
3748 b
->pixel_center_integer
= true;
3751 case SpvExecutionModeXfb
:
3752 b
->shader
->info
.has_transform_feedback_varyings
= true;
3755 case SpvExecutionModeVecTypeHint
:
3756 case SpvExecutionModeContractionOff
:
3759 case SpvExecutionModeStencilRefReplacingEXT
:
3760 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3764 vtn_fail("Unhandled execution mode");
3769 vtn_handle_variable_or_type_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3770 const uint32_t *w
, unsigned count
)
3772 vtn_set_instruction_result_type(b
, opcode
, w
, count
);
3776 case SpvOpSourceContinued
:
3777 case SpvOpSourceExtension
:
3778 case SpvOpExtension
:
3779 case SpvOpCapability
:
3780 case SpvOpExtInstImport
:
3781 case SpvOpMemoryModel
:
3782 case SpvOpEntryPoint
:
3783 case SpvOpExecutionMode
:
3786 case SpvOpMemberName
:
3787 case SpvOpDecorationGroup
:
3789 case SpvOpMemberDecorate
:
3790 case SpvOpGroupDecorate
:
3791 case SpvOpGroupMemberDecorate
:
3792 case SpvOpDecorateStringGOOGLE
:
3793 case SpvOpMemberDecorateStringGOOGLE
:
3794 vtn_fail("Invalid opcode types and variables section");
3800 case SpvOpTypeFloat
:
3801 case SpvOpTypeVector
:
3802 case SpvOpTypeMatrix
:
3803 case SpvOpTypeImage
:
3804 case SpvOpTypeSampler
:
3805 case SpvOpTypeSampledImage
:
3806 case SpvOpTypeArray
:
3807 case SpvOpTypeRuntimeArray
:
3808 case SpvOpTypeStruct
:
3809 case SpvOpTypeOpaque
:
3810 case SpvOpTypePointer
:
3811 case SpvOpTypeFunction
:
3812 case SpvOpTypeEvent
:
3813 case SpvOpTypeDeviceEvent
:
3814 case SpvOpTypeReserveId
:
3815 case SpvOpTypeQueue
:
3817 vtn_handle_type(b
, opcode
, w
, count
);
3820 case SpvOpConstantTrue
:
3821 case SpvOpConstantFalse
:
3823 case SpvOpConstantComposite
:
3824 case SpvOpConstantSampler
:
3825 case SpvOpConstantNull
:
3826 case SpvOpSpecConstantTrue
:
3827 case SpvOpSpecConstantFalse
:
3828 case SpvOpSpecConstant
:
3829 case SpvOpSpecConstantComposite
:
3830 case SpvOpSpecConstantOp
:
3831 vtn_handle_constant(b
, opcode
, w
, count
);
3836 vtn_handle_variables(b
, opcode
, w
, count
);
3840 return false; /* End of preamble */
3847 vtn_handle_body_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3848 const uint32_t *w
, unsigned count
)
3854 case SpvOpLoopMerge
:
3855 case SpvOpSelectionMerge
:
3856 /* This is handled by cfg pre-pass and walk_blocks */
3860 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_undef
);
3861 val
->type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
3866 vtn_handle_extension(b
, opcode
, w
, count
);
3872 case SpvOpCopyMemory
:
3873 case SpvOpCopyMemorySized
:
3874 case SpvOpAccessChain
:
3875 case SpvOpPtrAccessChain
:
3876 case SpvOpInBoundsAccessChain
:
3877 case SpvOpArrayLength
:
3878 vtn_handle_variables(b
, opcode
, w
, count
);
3881 case SpvOpFunctionCall
:
3882 vtn_handle_function_call(b
, opcode
, w
, count
);
3885 case SpvOpSampledImage
:
3887 case SpvOpImageSampleImplicitLod
:
3888 case SpvOpImageSampleExplicitLod
:
3889 case SpvOpImageSampleDrefImplicitLod
:
3890 case SpvOpImageSampleDrefExplicitLod
:
3891 case SpvOpImageSampleProjImplicitLod
:
3892 case SpvOpImageSampleProjExplicitLod
:
3893 case SpvOpImageSampleProjDrefImplicitLod
:
3894 case SpvOpImageSampleProjDrefExplicitLod
:
3895 case SpvOpImageFetch
:
3896 case SpvOpImageGather
:
3897 case SpvOpImageDrefGather
:
3898 case SpvOpImageQuerySizeLod
:
3899 case SpvOpImageQueryLod
:
3900 case SpvOpImageQueryLevels
:
3901 case SpvOpImageQuerySamples
:
3902 vtn_handle_texture(b
, opcode
, w
, count
);
3905 case SpvOpImageRead
:
3906 case SpvOpImageWrite
:
3907 case SpvOpImageTexelPointer
:
3908 vtn_handle_image(b
, opcode
, w
, count
);
3911 case SpvOpImageQuerySize
: {
3912 struct vtn_pointer
*image
=
3913 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
3914 if (glsl_type_is_image(image
->type
->type
)) {
3915 vtn_handle_image(b
, opcode
, w
, count
);
3917 vtn_assert(glsl_type_is_sampler(image
->type
->type
));
3918 vtn_handle_texture(b
, opcode
, w
, count
);
3923 case SpvOpAtomicLoad
:
3924 case SpvOpAtomicExchange
:
3925 case SpvOpAtomicCompareExchange
:
3926 case SpvOpAtomicCompareExchangeWeak
:
3927 case SpvOpAtomicIIncrement
:
3928 case SpvOpAtomicIDecrement
:
3929 case SpvOpAtomicIAdd
:
3930 case SpvOpAtomicISub
:
3931 case SpvOpAtomicSMin
:
3932 case SpvOpAtomicUMin
:
3933 case SpvOpAtomicSMax
:
3934 case SpvOpAtomicUMax
:
3935 case SpvOpAtomicAnd
:
3937 case SpvOpAtomicXor
: {
3938 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[3]);
3939 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
3940 vtn_handle_image(b
, opcode
, w
, count
);
3942 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
3943 vtn_handle_atomics(b
, opcode
, w
, count
);
3948 case SpvOpAtomicStore
: {
3949 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[1]);
3950 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
3951 vtn_handle_image(b
, opcode
, w
, count
);
3953 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
3954 vtn_handle_atomics(b
, opcode
, w
, count
);
3960 /* Handle OpSelect up-front here because it needs to be able to handle
3961 * pointers and not just regular vectors and scalars.
3963 struct vtn_value
*res_val
= vtn_untyped_value(b
, w
[2]);
3964 struct vtn_value
*sel_val
= vtn_untyped_value(b
, w
[3]);
3965 struct vtn_value
*obj1_val
= vtn_untyped_value(b
, w
[4]);
3966 struct vtn_value
*obj2_val
= vtn_untyped_value(b
, w
[5]);
3968 const struct glsl_type
*sel_type
;
3969 switch (res_val
->type
->base_type
) {
3970 case vtn_base_type_scalar
:
3971 sel_type
= glsl_bool_type();
3973 case vtn_base_type_vector
:
3974 sel_type
= glsl_vector_type(GLSL_TYPE_BOOL
, res_val
->type
->length
);
3976 case vtn_base_type_pointer
:
3977 /* We need to have actual storage for pointer types */
3978 vtn_fail_if(res_val
->type
->type
== NULL
,
3979 "Invalid pointer result type for OpSelect");
3980 sel_type
= glsl_bool_type();
3983 vtn_fail("Result type of OpSelect must be a scalar, vector, or pointer");
3986 if (unlikely(sel_val
->type
->type
!= sel_type
)) {
3987 if (sel_val
->type
->type
== glsl_bool_type()) {
3988 /* This case is illegal but some older versions of GLSLang produce
3989 * it. The GLSLang issue was fixed on March 30, 2017:
3991 * https://github.com/KhronosGroup/glslang/issues/809
3993 * Unfortunately, there are applications in the wild which are
3994 * shipping with this bug so it isn't nice to fail on them so we
3995 * throw a warning instead. It's not actually a problem for us as
3996 * nir_builder will just splat the condition out which is most
3997 * likely what the client wanted anyway.
3999 vtn_warn("Condition type of OpSelect must have the same number "
4000 "of components as Result Type");
4002 vtn_fail("Condition type of OpSelect must be a scalar or vector "
4003 "of Boolean type. It must have the same number of "
4004 "components as Result Type");
4008 vtn_fail_if(obj1_val
->type
!= res_val
->type
||
4009 obj2_val
->type
!= res_val
->type
,
4010 "Object types must match the result type in OpSelect");
4012 struct vtn_type
*res_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
4013 struct vtn_ssa_value
*ssa
= vtn_create_ssa_value(b
, res_type
->type
);
4014 ssa
->def
= nir_bcsel(&b
->nb
, vtn_ssa_value(b
, w
[3])->def
,
4015 vtn_ssa_value(b
, w
[4])->def
,
4016 vtn_ssa_value(b
, w
[5])->def
);
4017 vtn_push_ssa(b
, w
[2], res_type
, ssa
);
4026 case SpvOpConvertFToU
:
4027 case SpvOpConvertFToS
:
4028 case SpvOpConvertSToF
:
4029 case SpvOpConvertUToF
:
4033 case SpvOpQuantizeToF16
:
4034 case SpvOpConvertPtrToU
:
4035 case SpvOpConvertUToPtr
:
4036 case SpvOpPtrCastToGeneric
:
4037 case SpvOpGenericCastToPtr
:
4043 case SpvOpSignBitSet
:
4044 case SpvOpLessOrGreater
:
4046 case SpvOpUnordered
:
4061 case SpvOpVectorTimesScalar
:
4063 case SpvOpIAddCarry
:
4064 case SpvOpISubBorrow
:
4065 case SpvOpUMulExtended
:
4066 case SpvOpSMulExtended
:
4067 case SpvOpShiftRightLogical
:
4068 case SpvOpShiftRightArithmetic
:
4069 case SpvOpShiftLeftLogical
:
4070 case SpvOpLogicalEqual
:
4071 case SpvOpLogicalNotEqual
:
4072 case SpvOpLogicalOr
:
4073 case SpvOpLogicalAnd
:
4074 case SpvOpLogicalNot
:
4075 case SpvOpBitwiseOr
:
4076 case SpvOpBitwiseXor
:
4077 case SpvOpBitwiseAnd
:
4079 case SpvOpFOrdEqual
:
4080 case SpvOpFUnordEqual
:
4081 case SpvOpINotEqual
:
4082 case SpvOpFOrdNotEqual
:
4083 case SpvOpFUnordNotEqual
:
4084 case SpvOpULessThan
:
4085 case SpvOpSLessThan
:
4086 case SpvOpFOrdLessThan
:
4087 case SpvOpFUnordLessThan
:
4088 case SpvOpUGreaterThan
:
4089 case SpvOpSGreaterThan
:
4090 case SpvOpFOrdGreaterThan
:
4091 case SpvOpFUnordGreaterThan
:
4092 case SpvOpULessThanEqual
:
4093 case SpvOpSLessThanEqual
:
4094 case SpvOpFOrdLessThanEqual
:
4095 case SpvOpFUnordLessThanEqual
:
4096 case SpvOpUGreaterThanEqual
:
4097 case SpvOpSGreaterThanEqual
:
4098 case SpvOpFOrdGreaterThanEqual
:
4099 case SpvOpFUnordGreaterThanEqual
:
4105 case SpvOpFwidthFine
:
4106 case SpvOpDPdxCoarse
:
4107 case SpvOpDPdyCoarse
:
4108 case SpvOpFwidthCoarse
:
4109 case SpvOpBitFieldInsert
:
4110 case SpvOpBitFieldSExtract
:
4111 case SpvOpBitFieldUExtract
:
4112 case SpvOpBitReverse
:
4114 case SpvOpTranspose
:
4115 case SpvOpOuterProduct
:
4116 case SpvOpMatrixTimesScalar
:
4117 case SpvOpVectorTimesMatrix
:
4118 case SpvOpMatrixTimesVector
:
4119 case SpvOpMatrixTimesMatrix
:
4120 vtn_handle_alu(b
, opcode
, w
, count
);
4123 case SpvOpVectorExtractDynamic
:
4124 case SpvOpVectorInsertDynamic
:
4125 case SpvOpVectorShuffle
:
4126 case SpvOpCompositeConstruct
:
4127 case SpvOpCompositeExtract
:
4128 case SpvOpCompositeInsert
:
4129 case SpvOpCopyObject
:
4130 vtn_handle_composite(b
, opcode
, w
, count
);
4133 case SpvOpEmitVertex
:
4134 case SpvOpEndPrimitive
:
4135 case SpvOpEmitStreamVertex
:
4136 case SpvOpEndStreamPrimitive
:
4137 case SpvOpControlBarrier
:
4138 case SpvOpMemoryBarrier
:
4139 vtn_handle_barrier(b
, opcode
, w
, count
);
4142 case SpvOpGroupNonUniformElect
:
4143 case SpvOpGroupNonUniformAll
:
4144 case SpvOpGroupNonUniformAny
:
4145 case SpvOpGroupNonUniformAllEqual
:
4146 case SpvOpGroupNonUniformBroadcast
:
4147 case SpvOpGroupNonUniformBroadcastFirst
:
4148 case SpvOpGroupNonUniformBallot
:
4149 case SpvOpGroupNonUniformInverseBallot
:
4150 case SpvOpGroupNonUniformBallotBitExtract
:
4151 case SpvOpGroupNonUniformBallotBitCount
:
4152 case SpvOpGroupNonUniformBallotFindLSB
:
4153 case SpvOpGroupNonUniformBallotFindMSB
:
4154 case SpvOpGroupNonUniformShuffle
:
4155 case SpvOpGroupNonUniformShuffleXor
:
4156 case SpvOpGroupNonUniformShuffleUp
:
4157 case SpvOpGroupNonUniformShuffleDown
:
4158 case SpvOpGroupNonUniformIAdd
:
4159 case SpvOpGroupNonUniformFAdd
:
4160 case SpvOpGroupNonUniformIMul
:
4161 case SpvOpGroupNonUniformFMul
:
4162 case SpvOpGroupNonUniformSMin
:
4163 case SpvOpGroupNonUniformUMin
:
4164 case SpvOpGroupNonUniformFMin
:
4165 case SpvOpGroupNonUniformSMax
:
4166 case SpvOpGroupNonUniformUMax
:
4167 case SpvOpGroupNonUniformFMax
:
4168 case SpvOpGroupNonUniformBitwiseAnd
:
4169 case SpvOpGroupNonUniformBitwiseOr
:
4170 case SpvOpGroupNonUniformBitwiseXor
:
4171 case SpvOpGroupNonUniformLogicalAnd
:
4172 case SpvOpGroupNonUniformLogicalOr
:
4173 case SpvOpGroupNonUniformLogicalXor
:
4174 case SpvOpGroupNonUniformQuadBroadcast
:
4175 case SpvOpGroupNonUniformQuadSwap
:
4176 vtn_handle_subgroup(b
, opcode
, w
, count
);
4180 vtn_fail("Unhandled opcode");
4187 vtn_create_builder(const uint32_t *words
, size_t word_count
,
4188 gl_shader_stage stage
, const char *entry_point_name
,
4189 const struct spirv_to_nir_options
*options
)
4191 /* Initialize the vtn_builder object */
4192 struct vtn_builder
*b
= rzalloc(NULL
, struct vtn_builder
);
4194 b
->spirv_word_count
= word_count
;
4198 exec_list_make_empty(&b
->functions
);
4199 b
->entry_point_stage
= stage
;
4200 b
->entry_point_name
= entry_point_name
;
4201 b
->options
= options
;
4204 * Handle the SPIR-V header (first 5 dwords).
4205 * Can't use vtx_assert() as the setjmp(3) target isn't initialized yet.
4207 if (word_count
<= 5)
4210 if (words
[0] != SpvMagicNumber
) {
4211 vtn_err("words[0] was 0x%x, want 0x%x", words
[0], SpvMagicNumber
);
4214 if (words
[1] < 0x10000) {
4215 vtn_err("words[1] was 0x%x, want >= 0x10000", words
[1]);
4219 /* words[2] == generator magic */
4220 unsigned value_id_bound
= words
[3];
4221 if (words
[4] != 0) {
4222 vtn_err("words[4] was %u, want 0", words
[4]);
4226 b
->value_id_bound
= value_id_bound
;
4227 b
->values
= rzalloc_array(b
, struct vtn_value
, value_id_bound
);
4236 spirv_to_nir(const uint32_t *words
, size_t word_count
,
4237 struct nir_spirv_specialization
*spec
, unsigned num_spec
,
4238 gl_shader_stage stage
, const char *entry_point_name
,
4239 const struct spirv_to_nir_options
*options
,
4240 const nir_shader_compiler_options
*nir_options
)
4243 const uint32_t *word_end
= words
+ word_count
;
4245 struct vtn_builder
*b
= vtn_create_builder(words
, word_count
,
4246 stage
, entry_point_name
,
4252 /* See also _vtn_fail() */
4253 if (setjmp(b
->fail_jump
)) {
4258 /* Skip the SPIR-V header, handled at vtn_create_builder */
4261 /* Handle all the preamble instructions */
4262 words
= vtn_foreach_instruction(b
, words
, word_end
,
4263 vtn_handle_preamble_instruction
);
4265 if (b
->entry_point
== NULL
) {
4266 vtn_fail("Entry point not found");
4271 b
->shader
= nir_shader_create(b
, stage
, nir_options
, NULL
);
4273 /* Set shader info defaults */
4274 b
->shader
->info
.gs
.invocations
= 1;
4276 /* Parse execution modes */
4277 vtn_foreach_execution_mode(b
, b
->entry_point
,
4278 vtn_handle_execution_mode
, NULL
);
4280 b
->specializations
= spec
;
4281 b
->num_specializations
= num_spec
;
4283 /* Handle all variable, type, and constant instructions */
4284 words
= vtn_foreach_instruction(b
, words
, word_end
,
4285 vtn_handle_variable_or_type_instruction
);
4287 /* Set types on all vtn_values */
4288 vtn_foreach_instruction(b
, words
, word_end
, vtn_set_instruction_result_type
);
4290 vtn_build_cfg(b
, words
, word_end
);
4292 assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4293 b
->entry_point
->func
->referenced
= true;
4298 foreach_list_typed(struct vtn_function
, func
, node
, &b
->functions
) {
4299 if (func
->referenced
&& !func
->emitted
) {
4300 b
->const_table
= _mesa_hash_table_create(b
, _mesa_hash_pointer
,
4301 _mesa_key_pointer_equal
);
4303 vtn_function_emit(b
, func
, vtn_handle_body_instruction
);
4309 /* We sometimes generate bogus derefs that, while never used, give the
4310 * validator a bit of heartburn. Run dead code to get rid of them.
4312 nir_opt_dce(b
->shader
);
4314 vtn_assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4315 nir_function
*entry_point
= b
->entry_point
->func
->impl
->function
;
4316 vtn_assert(entry_point
);
4318 /* Unparent the shader from the vtn_builder before we delete the builder */
4319 ralloc_steal(NULL
, b
->shader
);