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 b
->options
->lower_workgroup_access_to_offsets
) {
1229 uint32_t size
, align
;
1230 val
->type
->deref
= vtn_type_layout_std430(b
, val
->type
->deref
,
1232 val
->type
->length
= size
;
1233 val
->type
->align
= align
;
1234 /* These can actually be stored to nir_variables and used as SSA
1235 * values so they need a real glsl_type.
1237 val
->type
->type
= glsl_uint_type();
1242 case SpvOpTypeImage
: {
1243 val
->type
->base_type
= vtn_base_type_image
;
1245 const struct vtn_type
*sampled_type
=
1246 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1248 vtn_fail_if(sampled_type
->base_type
!= vtn_base_type_scalar
||
1249 glsl_get_bit_size(sampled_type
->type
) != 32,
1250 "Sampled type of OpTypeImage must be a 32-bit scalar");
1252 enum glsl_sampler_dim dim
;
1253 switch ((SpvDim
)w
[3]) {
1254 case SpvDim1D
: dim
= GLSL_SAMPLER_DIM_1D
; break;
1255 case SpvDim2D
: dim
= GLSL_SAMPLER_DIM_2D
; break;
1256 case SpvDim3D
: dim
= GLSL_SAMPLER_DIM_3D
; break;
1257 case SpvDimCube
: dim
= GLSL_SAMPLER_DIM_CUBE
; break;
1258 case SpvDimRect
: dim
= GLSL_SAMPLER_DIM_RECT
; break;
1259 case SpvDimBuffer
: dim
= GLSL_SAMPLER_DIM_BUF
; break;
1260 case SpvDimSubpassData
: dim
= GLSL_SAMPLER_DIM_SUBPASS
; break;
1262 vtn_fail("Invalid SPIR-V image dimensionality");
1265 bool is_shadow
= w
[4];
1266 bool is_array
= w
[5];
1267 bool multisampled
= w
[6];
1268 unsigned sampled
= w
[7];
1269 SpvImageFormat format
= w
[8];
1272 val
->type
->access_qualifier
= w
[9];
1274 val
->type
->access_qualifier
= SpvAccessQualifierReadWrite
;
1277 if (dim
== GLSL_SAMPLER_DIM_2D
)
1278 dim
= GLSL_SAMPLER_DIM_MS
;
1279 else if (dim
== GLSL_SAMPLER_DIM_SUBPASS
)
1280 dim
= GLSL_SAMPLER_DIM_SUBPASS_MS
;
1282 vtn_fail("Unsupported multisampled image type");
1285 val
->type
->image_format
= translate_image_format(b
, format
);
1287 enum glsl_base_type sampled_base_type
=
1288 glsl_get_base_type(sampled_type
->type
);
1290 val
->type
->sampled
= true;
1291 val
->type
->type
= glsl_sampler_type(dim
, is_shadow
, is_array
,
1293 } else if (sampled
== 2) {
1294 vtn_assert(!is_shadow
);
1295 val
->type
->sampled
= false;
1296 val
->type
->type
= glsl_image_type(dim
, is_array
, sampled_base_type
);
1298 vtn_fail("We need to know if the image will be sampled");
1303 case SpvOpTypeSampledImage
:
1304 val
->type
->base_type
= vtn_base_type_sampled_image
;
1305 val
->type
->image
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
1306 val
->type
->type
= val
->type
->image
->type
;
1309 case SpvOpTypeSampler
:
1310 /* The actual sampler type here doesn't really matter. It gets
1311 * thrown away the moment you combine it with an image. What really
1312 * matters is that it's a sampler type as opposed to an integer type
1313 * so the backend knows what to do.
1315 val
->type
->base_type
= vtn_base_type_sampler
;
1316 val
->type
->type
= glsl_bare_sampler_type();
1319 case SpvOpTypeOpaque
:
1320 case SpvOpTypeEvent
:
1321 case SpvOpTypeDeviceEvent
:
1322 case SpvOpTypeReserveId
:
1323 case SpvOpTypeQueue
:
1326 vtn_fail("Unhandled opcode");
1329 vtn_foreach_decoration(b
, val
, type_decoration_cb
, NULL
);
1332 static nir_constant
*
1333 vtn_null_constant(struct vtn_builder
*b
, const struct glsl_type
*type
)
1335 nir_constant
*c
= rzalloc(b
, nir_constant
);
1337 /* For pointers and other typeless things, we have to return something but
1338 * it doesn't matter what.
1343 switch (glsl_get_base_type(type
)) {
1345 case GLSL_TYPE_UINT
:
1346 case GLSL_TYPE_INT16
:
1347 case GLSL_TYPE_UINT16
:
1348 case GLSL_TYPE_UINT8
:
1349 case GLSL_TYPE_INT8
:
1350 case GLSL_TYPE_INT64
:
1351 case GLSL_TYPE_UINT64
:
1352 case GLSL_TYPE_BOOL
:
1353 case GLSL_TYPE_FLOAT
:
1354 case GLSL_TYPE_FLOAT16
:
1355 case GLSL_TYPE_DOUBLE
:
1356 /* Nothing to do here. It's already initialized to zero */
1359 case GLSL_TYPE_ARRAY
:
1360 vtn_assert(glsl_get_length(type
) > 0);
1361 c
->num_elements
= glsl_get_length(type
);
1362 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1364 c
->elements
[0] = vtn_null_constant(b
, glsl_get_array_element(type
));
1365 for (unsigned i
= 1; i
< c
->num_elements
; i
++)
1366 c
->elements
[i
] = c
->elements
[0];
1369 case GLSL_TYPE_STRUCT
:
1370 c
->num_elements
= glsl_get_length(type
);
1371 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
1373 for (unsigned i
= 0; i
< c
->num_elements
; i
++) {
1374 c
->elements
[i
] = vtn_null_constant(b
, glsl_get_struct_field(type
, i
));
1379 vtn_fail("Invalid type for null constant");
1386 spec_constant_decoration_cb(struct vtn_builder
*b
, struct vtn_value
*v
,
1387 int member
, const struct vtn_decoration
*dec
,
1390 vtn_assert(member
== -1);
1391 if (dec
->decoration
!= SpvDecorationSpecId
)
1394 struct spec_constant_value
*const_value
= data
;
1396 for (unsigned i
= 0; i
< b
->num_specializations
; i
++) {
1397 if (b
->specializations
[i
].id
== dec
->literals
[0]) {
1398 if (const_value
->is_double
)
1399 const_value
->data64
= b
->specializations
[i
].data64
;
1401 const_value
->data32
= b
->specializations
[i
].data32
;
1408 get_specialization(struct vtn_builder
*b
, struct vtn_value
*val
,
1409 uint32_t const_value
)
1411 struct spec_constant_value data
;
1412 data
.is_double
= false;
1413 data
.data32
= const_value
;
1414 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1419 get_specialization64(struct vtn_builder
*b
, struct vtn_value
*val
,
1420 uint64_t const_value
)
1422 struct spec_constant_value data
;
1423 data
.is_double
= true;
1424 data
.data64
= const_value
;
1425 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1430 handle_workgroup_size_decoration_cb(struct vtn_builder
*b
,
1431 struct vtn_value
*val
,
1433 const struct vtn_decoration
*dec
,
1436 vtn_assert(member
== -1);
1437 if (dec
->decoration
!= SpvDecorationBuiltIn
||
1438 dec
->literals
[0] != SpvBuiltInWorkgroupSize
)
1441 vtn_assert(val
->type
->type
== glsl_vector_type(GLSL_TYPE_UINT
, 3));
1443 b
->shader
->info
.cs
.local_size
[0] = val
->constant
->values
[0].u32
[0];
1444 b
->shader
->info
.cs
.local_size
[1] = val
->constant
->values
[0].u32
[1];
1445 b
->shader
->info
.cs
.local_size
[2] = val
->constant
->values
[0].u32
[2];
1449 vtn_handle_constant(struct vtn_builder
*b
, SpvOp opcode
,
1450 const uint32_t *w
, unsigned count
)
1452 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_constant
);
1453 val
->constant
= rzalloc(b
, nir_constant
);
1455 case SpvOpConstantTrue
:
1456 case SpvOpConstantFalse
:
1457 case SpvOpSpecConstantTrue
:
1458 case SpvOpSpecConstantFalse
: {
1459 vtn_fail_if(val
->type
->type
!= glsl_bool_type(),
1460 "Result type of %s must be OpTypeBool",
1461 spirv_op_to_string(opcode
));
1463 uint32_t int_val
= (opcode
== SpvOpConstantTrue
||
1464 opcode
== SpvOpSpecConstantTrue
);
1466 if (opcode
== SpvOpSpecConstantTrue
||
1467 opcode
== SpvOpSpecConstantFalse
)
1468 int_val
= get_specialization(b
, val
, int_val
);
1470 val
->constant
->values
[0].u32
[0] = int_val
? NIR_TRUE
: NIR_FALSE
;
1474 case SpvOpConstant
: {
1475 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1476 "Result type of %s must be a scalar",
1477 spirv_op_to_string(opcode
));
1478 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1481 val
->constant
->values
->u64
[0] = vtn_u64_literal(&w
[3]);
1484 val
->constant
->values
->u32
[0] = w
[3];
1487 val
->constant
->values
->u16
[0] = w
[3];
1490 val
->constant
->values
->u8
[0] = w
[3];
1493 vtn_fail("Unsupported SpvOpConstant bit size");
1498 case SpvOpSpecConstant
: {
1499 vtn_fail_if(val
->type
->base_type
!= vtn_base_type_scalar
,
1500 "Result type of %s must be a scalar",
1501 spirv_op_to_string(opcode
));
1502 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1505 val
->constant
->values
[0].u64
[0] =
1506 get_specialization64(b
, val
, vtn_u64_literal(&w
[3]));
1509 val
->constant
->values
[0].u32
[0] = get_specialization(b
, val
, w
[3]);
1512 val
->constant
->values
[0].u16
[0] = get_specialization(b
, val
, w
[3]);
1515 val
->constant
->values
[0].u8
[0] = get_specialization(b
, val
, w
[3]);
1518 vtn_fail("Unsupported SpvOpSpecConstant bit size");
1523 case SpvOpSpecConstantComposite
:
1524 case SpvOpConstantComposite
: {
1525 unsigned elem_count
= count
- 3;
1526 vtn_fail_if(elem_count
!= val
->type
->length
,
1527 "%s has %u constituents, expected %u",
1528 spirv_op_to_string(opcode
), elem_count
, val
->type
->length
);
1530 nir_constant
**elems
= ralloc_array(b
, nir_constant
*, elem_count
);
1531 for (unsigned i
= 0; i
< elem_count
; i
++) {
1532 struct vtn_value
*val
= vtn_untyped_value(b
, w
[i
+ 3]);
1534 if (val
->value_type
== vtn_value_type_constant
) {
1535 elems
[i
] = val
->constant
;
1537 vtn_fail_if(val
->value_type
!= vtn_value_type_undef
,
1538 "only constants or undefs allowed for "
1539 "SpvOpConstantComposite");
1540 /* to make it easier, just insert a NULL constant for now */
1541 elems
[i
] = vtn_null_constant(b
, val
->type
->type
);
1545 switch (val
->type
->base_type
) {
1546 case vtn_base_type_vector
: {
1547 assert(glsl_type_is_vector(val
->type
->type
));
1548 int bit_size
= glsl_get_bit_size(val
->type
->type
);
1549 for (unsigned i
= 0; i
< elem_count
; i
++) {
1552 val
->constant
->values
[0].u64
[i
] = elems
[i
]->values
[0].u64
[0];
1555 val
->constant
->values
[0].u32
[i
] = elems
[i
]->values
[0].u32
[0];
1558 val
->constant
->values
[0].u16
[i
] = elems
[i
]->values
[0].u16
[0];
1561 val
->constant
->values
[0].u8
[i
] = elems
[i
]->values
[0].u8
[0];
1564 vtn_fail("Invalid SpvOpConstantComposite bit size");
1570 case vtn_base_type_matrix
:
1571 assert(glsl_type_is_matrix(val
->type
->type
));
1572 for (unsigned i
= 0; i
< elem_count
; i
++)
1573 val
->constant
->values
[i
] = elems
[i
]->values
[0];
1576 case vtn_base_type_struct
:
1577 case vtn_base_type_array
:
1578 ralloc_steal(val
->constant
, elems
);
1579 val
->constant
->num_elements
= elem_count
;
1580 val
->constant
->elements
= elems
;
1584 vtn_fail("Result type of %s must be a composite type",
1585 spirv_op_to_string(opcode
));
1590 case SpvOpSpecConstantOp
: {
1591 SpvOp opcode
= get_specialization(b
, val
, w
[3]);
1593 case SpvOpVectorShuffle
: {
1594 struct vtn_value
*v0
= &b
->values
[w
[4]];
1595 struct vtn_value
*v1
= &b
->values
[w
[5]];
1597 vtn_assert(v0
->value_type
== vtn_value_type_constant
||
1598 v0
->value_type
== vtn_value_type_undef
);
1599 vtn_assert(v1
->value_type
== vtn_value_type_constant
||
1600 v1
->value_type
== vtn_value_type_undef
);
1602 unsigned len0
= glsl_get_vector_elements(v0
->type
->type
);
1603 unsigned len1
= glsl_get_vector_elements(v1
->type
->type
);
1605 vtn_assert(len0
+ len1
< 16);
1607 unsigned bit_size
= glsl_get_bit_size(val
->type
->type
);
1608 unsigned bit_size0
= glsl_get_bit_size(v0
->type
->type
);
1609 unsigned bit_size1
= glsl_get_bit_size(v1
->type
->type
);
1611 vtn_assert(bit_size
== bit_size0
&& bit_size
== bit_size1
);
1612 (void)bit_size0
; (void)bit_size1
;
1614 if (bit_size
== 64) {
1616 if (v0
->value_type
== vtn_value_type_constant
) {
1617 for (unsigned i
= 0; i
< len0
; i
++)
1618 u64
[i
] = v0
->constant
->values
[0].u64
[i
];
1620 if (v1
->value_type
== vtn_value_type_constant
) {
1621 for (unsigned i
= 0; i
< len1
; i
++)
1622 u64
[len0
+ i
] = v1
->constant
->values
[0].u64
[i
];
1625 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1626 uint32_t comp
= w
[i
+ 6];
1627 /* If component is not used, set the value to a known constant
1628 * to detect if it is wrongly used.
1630 if (comp
== (uint32_t)-1)
1631 val
->constant
->values
[0].u64
[j
] = 0xdeadbeefdeadbeef;
1633 val
->constant
->values
[0].u64
[j
] = u64
[comp
];
1636 /* This is for both 32-bit and 16-bit values */
1638 if (v0
->value_type
== vtn_value_type_constant
) {
1639 for (unsigned i
= 0; i
< len0
; i
++)
1640 u32
[i
] = v0
->constant
->values
[0].u32
[i
];
1642 if (v1
->value_type
== vtn_value_type_constant
) {
1643 for (unsigned i
= 0; i
< len1
; i
++)
1644 u32
[len0
+ i
] = v1
->constant
->values
[0].u32
[i
];
1647 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1648 uint32_t comp
= w
[i
+ 6];
1649 /* If component is not used, set the value to a known constant
1650 * to detect if it is wrongly used.
1652 if (comp
== (uint32_t)-1)
1653 val
->constant
->values
[0].u32
[j
] = 0xdeadbeef;
1655 val
->constant
->values
[0].u32
[j
] = u32
[comp
];
1661 case SpvOpCompositeExtract
:
1662 case SpvOpCompositeInsert
: {
1663 struct vtn_value
*comp
;
1664 unsigned deref_start
;
1665 struct nir_constant
**c
;
1666 if (opcode
== SpvOpCompositeExtract
) {
1667 comp
= vtn_value(b
, w
[4], vtn_value_type_constant
);
1669 c
= &comp
->constant
;
1671 comp
= vtn_value(b
, w
[5], vtn_value_type_constant
);
1673 val
->constant
= nir_constant_clone(comp
->constant
,
1680 const struct vtn_type
*type
= comp
->type
;
1681 for (unsigned i
= deref_start
; i
< count
; i
++) {
1682 vtn_fail_if(w
[i
] > type
->length
,
1683 "%uth index of %s is %u but the type has only "
1684 "%u elements", i
- deref_start
,
1685 spirv_op_to_string(opcode
), w
[i
], type
->length
);
1687 switch (type
->base_type
) {
1688 case vtn_base_type_vector
:
1690 type
= type
->array_element
;
1693 case vtn_base_type_matrix
:
1694 assert(col
== 0 && elem
== -1);
1697 type
= type
->array_element
;
1700 case vtn_base_type_array
:
1701 c
= &(*c
)->elements
[w
[i
]];
1702 type
= type
->array_element
;
1705 case vtn_base_type_struct
:
1706 c
= &(*c
)->elements
[w
[i
]];
1707 type
= type
->members
[w
[i
]];
1711 vtn_fail("%s must only index into composite types",
1712 spirv_op_to_string(opcode
));
1716 if (opcode
== SpvOpCompositeExtract
) {
1720 unsigned num_components
= type
->length
;
1721 unsigned bit_size
= glsl_get_bit_size(type
->type
);
1722 for (unsigned i
= 0; i
< num_components
; i
++)
1725 val
->constant
->values
[0].u64
[i
] = (*c
)->values
[col
].u64
[elem
+ i
];
1728 val
->constant
->values
[0].u32
[i
] = (*c
)->values
[col
].u32
[elem
+ i
];
1731 val
->constant
->values
[0].u16
[i
] = (*c
)->values
[col
].u16
[elem
+ i
];
1734 val
->constant
->values
[0].u8
[i
] = (*c
)->values
[col
].u8
[elem
+ i
];
1737 vtn_fail("Invalid SpvOpCompositeExtract bit size");
1741 struct vtn_value
*insert
=
1742 vtn_value(b
, w
[4], vtn_value_type_constant
);
1743 vtn_assert(insert
->type
== type
);
1745 *c
= insert
->constant
;
1747 unsigned num_components
= type
->length
;
1748 unsigned bit_size
= glsl_get_bit_size(type
->type
);
1749 for (unsigned i
= 0; i
< num_components
; i
++)
1752 (*c
)->values
[col
].u64
[elem
+ i
] = insert
->constant
->values
[0].u64
[i
];
1755 (*c
)->values
[col
].u32
[elem
+ i
] = insert
->constant
->values
[0].u32
[i
];
1758 (*c
)->values
[col
].u16
[elem
+ i
] = insert
->constant
->values
[0].u16
[i
];
1761 (*c
)->values
[col
].u8
[elem
+ i
] = insert
->constant
->values
[0].u8
[i
];
1764 vtn_fail("Invalid SpvOpCompositeInsert bit size");
1773 nir_alu_type dst_alu_type
= nir_get_nir_type_for_glsl_type(val
->type
->type
);
1774 nir_alu_type src_alu_type
= dst_alu_type
;
1775 unsigned num_components
= glsl_get_vector_elements(val
->type
->type
);
1778 vtn_assert(count
<= 7);
1783 /* We have a source in a conversion */
1785 nir_get_nir_type_for_glsl_type(
1786 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1787 /* We use the bitsize of the conversion source to evaluate the opcode later */
1788 bit_size
= glsl_get_bit_size(
1789 vtn_value(b
, w
[4], vtn_value_type_constant
)->type
->type
);
1792 bit_size
= glsl_get_bit_size(val
->type
->type
);
1795 nir_op op
= vtn_nir_alu_op_for_spirv_opcode(b
, opcode
, &swap
,
1796 nir_alu_type_get_type_size(src_alu_type
),
1797 nir_alu_type_get_type_size(dst_alu_type
));
1798 nir_const_value src
[4];
1800 for (unsigned i
= 0; i
< count
- 4; i
++) {
1801 struct vtn_value
*src_val
=
1802 vtn_value(b
, w
[4 + i
], vtn_value_type_constant
);
1804 /* If this is an unsized source, pull the bit size from the
1805 * source; otherwise, we'll use the bit size from the destination.
1807 if (!nir_alu_type_get_type_size(nir_op_infos
[op
].input_types
[i
]))
1808 bit_size
= glsl_get_bit_size(src_val
->type
->type
);
1810 unsigned j
= swap
? 1 - i
: i
;
1811 src
[j
] = src_val
->constant
->values
[0];
1814 /* fix up fixed size sources */
1821 for (unsigned i
= 0; i
< num_components
; ++i
) {
1823 case 64: src
[1].u32
[i
] = src
[1].u64
[i
]; break;
1824 case 16: src
[1].u32
[i
] = src
[1].u16
[i
]; break;
1825 case 8: src
[1].u32
[i
] = src
[1].u8
[i
]; break;
1834 val
->constant
->values
[0] =
1835 nir_eval_const_opcode(op
, num_components
, bit_size
, src
);
1842 case SpvOpConstantNull
:
1843 val
->constant
= vtn_null_constant(b
, val
->type
->type
);
1846 case SpvOpConstantSampler
:
1847 vtn_fail("OpConstantSampler requires Kernel Capability");
1851 vtn_fail("Unhandled opcode");
1854 /* Now that we have the value, update the workgroup size if needed */
1855 vtn_foreach_decoration(b
, val
, handle_workgroup_size_decoration_cb
, NULL
);
1858 struct vtn_ssa_value
*
1859 vtn_create_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
1861 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
1864 if (!glsl_type_is_vector_or_scalar(type
)) {
1865 unsigned elems
= glsl_get_length(type
);
1866 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
1867 for (unsigned i
= 0; i
< elems
; i
++) {
1868 const struct glsl_type
*child_type
;
1870 switch (glsl_get_base_type(type
)) {
1872 case GLSL_TYPE_UINT
:
1873 case GLSL_TYPE_INT16
:
1874 case GLSL_TYPE_UINT16
:
1875 case GLSL_TYPE_UINT8
:
1876 case GLSL_TYPE_INT8
:
1877 case GLSL_TYPE_INT64
:
1878 case GLSL_TYPE_UINT64
:
1879 case GLSL_TYPE_BOOL
:
1880 case GLSL_TYPE_FLOAT
:
1881 case GLSL_TYPE_FLOAT16
:
1882 case GLSL_TYPE_DOUBLE
:
1883 child_type
= glsl_get_column_type(type
);
1885 case GLSL_TYPE_ARRAY
:
1886 child_type
= glsl_get_array_element(type
);
1888 case GLSL_TYPE_STRUCT
:
1889 child_type
= glsl_get_struct_field(type
, i
);
1892 vtn_fail("unkown base type");
1895 val
->elems
[i
] = vtn_create_ssa_value(b
, child_type
);
1903 vtn_tex_src(struct vtn_builder
*b
, unsigned index
, nir_tex_src_type type
)
1906 src
.src
= nir_src_for_ssa(vtn_ssa_value(b
, index
)->def
);
1907 src
.src_type
= type
;
1912 vtn_handle_texture(struct vtn_builder
*b
, SpvOp opcode
,
1913 const uint32_t *w
, unsigned count
)
1915 if (opcode
== SpvOpSampledImage
) {
1916 struct vtn_value
*val
=
1917 vtn_push_value(b
, w
[2], vtn_value_type_sampled_image
);
1918 val
->sampled_image
= ralloc(b
, struct vtn_sampled_image
);
1919 val
->sampled_image
->type
=
1920 vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
1921 val
->sampled_image
->image
=
1922 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
1923 val
->sampled_image
->sampler
=
1924 vtn_value(b
, w
[4], vtn_value_type_pointer
)->pointer
;
1926 } else if (opcode
== SpvOpImage
) {
1927 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_pointer
);
1928 struct vtn_value
*src_val
= vtn_untyped_value(b
, w
[3]);
1929 if (src_val
->value_type
== vtn_value_type_sampled_image
) {
1930 val
->pointer
= src_val
->sampled_image
->image
;
1932 vtn_assert(src_val
->value_type
== vtn_value_type_pointer
);
1933 val
->pointer
= src_val
->pointer
;
1938 struct vtn_type
*ret_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
1939 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
1941 struct vtn_sampled_image sampled
;
1942 struct vtn_value
*sampled_val
= vtn_untyped_value(b
, w
[3]);
1943 if (sampled_val
->value_type
== vtn_value_type_sampled_image
) {
1944 sampled
= *sampled_val
->sampled_image
;
1946 vtn_assert(sampled_val
->value_type
== vtn_value_type_pointer
);
1947 sampled
.type
= sampled_val
->pointer
->type
;
1948 sampled
.image
= NULL
;
1949 sampled
.sampler
= sampled_val
->pointer
;
1952 const struct glsl_type
*image_type
= sampled
.type
->type
;
1953 const enum glsl_sampler_dim sampler_dim
= glsl_get_sampler_dim(image_type
);
1954 const bool is_array
= glsl_sampler_type_is_array(image_type
);
1956 /* Figure out the base texture operation */
1959 case SpvOpImageSampleImplicitLod
:
1960 case SpvOpImageSampleDrefImplicitLod
:
1961 case SpvOpImageSampleProjImplicitLod
:
1962 case SpvOpImageSampleProjDrefImplicitLod
:
1963 texop
= nir_texop_tex
;
1966 case SpvOpImageSampleExplicitLod
:
1967 case SpvOpImageSampleDrefExplicitLod
:
1968 case SpvOpImageSampleProjExplicitLod
:
1969 case SpvOpImageSampleProjDrefExplicitLod
:
1970 texop
= nir_texop_txl
;
1973 case SpvOpImageFetch
:
1974 if (glsl_get_sampler_dim(image_type
) == GLSL_SAMPLER_DIM_MS
) {
1975 texop
= nir_texop_txf_ms
;
1977 texop
= nir_texop_txf
;
1981 case SpvOpImageGather
:
1982 case SpvOpImageDrefGather
:
1983 texop
= nir_texop_tg4
;
1986 case SpvOpImageQuerySizeLod
:
1987 case SpvOpImageQuerySize
:
1988 texop
= nir_texop_txs
;
1991 case SpvOpImageQueryLod
:
1992 texop
= nir_texop_lod
;
1995 case SpvOpImageQueryLevels
:
1996 texop
= nir_texop_query_levels
;
1999 case SpvOpImageQuerySamples
:
2000 texop
= nir_texop_texture_samples
;
2004 vtn_fail("Unhandled opcode");
2007 nir_tex_src srcs
[10]; /* 10 should be enough */
2008 nir_tex_src
*p
= srcs
;
2010 nir_deref_instr
*sampler
= vtn_pointer_to_deref(b
, sampled
.sampler
);
2011 nir_deref_instr
*texture
=
2012 sampled
.image
? vtn_pointer_to_deref(b
, sampled
.image
) : sampler
;
2014 p
->src
= nir_src_for_ssa(&texture
->dest
.ssa
);
2015 p
->src_type
= nir_tex_src_texture_deref
;
2024 /* These operations require a sampler */
2025 p
->src
= nir_src_for_ssa(&sampler
->dest
.ssa
);
2026 p
->src_type
= nir_tex_src_sampler_deref
;
2030 case nir_texop_txf_ms
:
2033 case nir_texop_query_levels
:
2034 case nir_texop_texture_samples
:
2035 case nir_texop_samples_identical
:
2038 case nir_texop_txf_ms_mcs
:
2039 vtn_fail("unexpected nir_texop_txf_ms_mcs");
2044 struct nir_ssa_def
*coord
;
2045 unsigned coord_components
;
2047 case SpvOpImageSampleImplicitLod
:
2048 case SpvOpImageSampleExplicitLod
:
2049 case SpvOpImageSampleDrefImplicitLod
:
2050 case SpvOpImageSampleDrefExplicitLod
:
2051 case SpvOpImageSampleProjImplicitLod
:
2052 case SpvOpImageSampleProjExplicitLod
:
2053 case SpvOpImageSampleProjDrefImplicitLod
:
2054 case SpvOpImageSampleProjDrefExplicitLod
:
2055 case SpvOpImageFetch
:
2056 case SpvOpImageGather
:
2057 case SpvOpImageDrefGather
:
2058 case SpvOpImageQueryLod
: {
2059 /* All these types have the coordinate as their first real argument */
2060 switch (sampler_dim
) {
2061 case GLSL_SAMPLER_DIM_1D
:
2062 case GLSL_SAMPLER_DIM_BUF
:
2063 coord_components
= 1;
2065 case GLSL_SAMPLER_DIM_2D
:
2066 case GLSL_SAMPLER_DIM_RECT
:
2067 case GLSL_SAMPLER_DIM_MS
:
2068 coord_components
= 2;
2070 case GLSL_SAMPLER_DIM_3D
:
2071 case GLSL_SAMPLER_DIM_CUBE
:
2072 coord_components
= 3;
2075 vtn_fail("Invalid sampler type");
2078 if (is_array
&& texop
!= nir_texop_lod
)
2081 coord
= vtn_ssa_value(b
, w
[idx
++])->def
;
2082 p
->src
= nir_src_for_ssa(nir_channels(&b
->nb
, coord
,
2083 (1 << coord_components
) - 1));
2084 p
->src_type
= nir_tex_src_coord
;
2091 coord_components
= 0;
2096 case SpvOpImageSampleProjImplicitLod
:
2097 case SpvOpImageSampleProjExplicitLod
:
2098 case SpvOpImageSampleProjDrefImplicitLod
:
2099 case SpvOpImageSampleProjDrefExplicitLod
:
2100 /* These have the projector as the last coordinate component */
2101 p
->src
= nir_src_for_ssa(nir_channel(&b
->nb
, coord
, coord_components
));
2102 p
->src_type
= nir_tex_src_projector
;
2110 bool is_shadow
= false;
2111 unsigned gather_component
= 0;
2113 case SpvOpImageSampleDrefImplicitLod
:
2114 case SpvOpImageSampleDrefExplicitLod
:
2115 case SpvOpImageSampleProjDrefImplicitLod
:
2116 case SpvOpImageSampleProjDrefExplicitLod
:
2117 case SpvOpImageDrefGather
:
2118 /* These all have an explicit depth value as their next source */
2120 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_comparator
);
2123 case SpvOpImageGather
:
2124 /* This has a component as its next source */
2126 vtn_value(b
, w
[idx
++], vtn_value_type_constant
)->constant
->values
[0].u32
[0];
2133 /* For OpImageQuerySizeLod, we always have an LOD */
2134 if (opcode
== SpvOpImageQuerySizeLod
)
2135 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2137 /* Now we need to handle some number of optional arguments */
2138 const struct vtn_ssa_value
*gather_offsets
= NULL
;
2140 uint32_t operands
= w
[idx
++];
2142 if (operands
& SpvImageOperandsBiasMask
) {
2143 vtn_assert(texop
== nir_texop_tex
);
2144 texop
= nir_texop_txb
;
2145 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_bias
);
2148 if (operands
& SpvImageOperandsLodMask
) {
2149 vtn_assert(texop
== nir_texop_txl
|| texop
== nir_texop_txf
||
2150 texop
== nir_texop_txs
);
2151 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
2154 if (operands
& SpvImageOperandsGradMask
) {
2155 vtn_assert(texop
== nir_texop_txl
);
2156 texop
= nir_texop_txd
;
2157 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddx
);
2158 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddy
);
2161 if (operands
& SpvImageOperandsOffsetMask
||
2162 operands
& SpvImageOperandsConstOffsetMask
)
2163 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_offset
);
2165 if (operands
& SpvImageOperandsConstOffsetsMask
) {
2166 nir_tex_src none
= {0};
2167 gather_offsets
= vtn_ssa_value(b
, w
[idx
++]);
2171 if (operands
& SpvImageOperandsSampleMask
) {
2172 vtn_assert(texop
== nir_texop_txf_ms
);
2173 texop
= nir_texop_txf_ms
;
2174 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ms_index
);
2177 /* We should have now consumed exactly all of the arguments */
2178 vtn_assert(idx
== count
);
2180 nir_tex_instr
*instr
= nir_tex_instr_create(b
->shader
, p
- srcs
);
2183 memcpy(instr
->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
2185 instr
->coord_components
= coord_components
;
2186 instr
->sampler_dim
= sampler_dim
;
2187 instr
->is_array
= is_array
;
2188 instr
->is_shadow
= is_shadow
;
2189 instr
->is_new_style_shadow
=
2190 is_shadow
&& glsl_get_components(ret_type
->type
) == 1;
2191 instr
->component
= gather_component
;
2193 switch (glsl_get_sampler_result_type(image_type
)) {
2194 case GLSL_TYPE_FLOAT
: instr
->dest_type
= nir_type_float
; break;
2195 case GLSL_TYPE_INT
: instr
->dest_type
= nir_type_int
; break;
2196 case GLSL_TYPE_UINT
: instr
->dest_type
= nir_type_uint
; break;
2197 case GLSL_TYPE_BOOL
: instr
->dest_type
= nir_type_bool
; break;
2199 vtn_fail("Invalid base type for sampler result");
2202 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
2203 nir_tex_instr_dest_size(instr
), 32, NULL
);
2205 vtn_assert(glsl_get_vector_elements(ret_type
->type
) ==
2206 nir_tex_instr_dest_size(instr
));
2209 nir_instr
*instruction
;
2210 if (gather_offsets
) {
2211 vtn_assert(glsl_get_base_type(gather_offsets
->type
) == GLSL_TYPE_ARRAY
);
2212 vtn_assert(glsl_get_length(gather_offsets
->type
) == 4);
2213 nir_tex_instr
*instrs
[4] = {instr
, NULL
, NULL
, NULL
};
2215 /* Copy the current instruction 4x */
2216 for (uint32_t i
= 1; i
< 4; i
++) {
2217 instrs
[i
] = nir_tex_instr_create(b
->shader
, instr
->num_srcs
);
2218 instrs
[i
]->op
= instr
->op
;
2219 instrs
[i
]->coord_components
= instr
->coord_components
;
2220 instrs
[i
]->sampler_dim
= instr
->sampler_dim
;
2221 instrs
[i
]->is_array
= instr
->is_array
;
2222 instrs
[i
]->is_shadow
= instr
->is_shadow
;
2223 instrs
[i
]->is_new_style_shadow
= instr
->is_new_style_shadow
;
2224 instrs
[i
]->component
= instr
->component
;
2225 instrs
[i
]->dest_type
= instr
->dest_type
;
2227 memcpy(instrs
[i
]->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
2229 nir_ssa_dest_init(&instrs
[i
]->instr
, &instrs
[i
]->dest
,
2230 nir_tex_instr_dest_size(instr
), 32, NULL
);
2233 /* Fill in the last argument with the offset from the passed in offsets
2234 * and insert the instruction into the stream.
2236 for (uint32_t i
= 0; i
< 4; i
++) {
2238 src
.src
= nir_src_for_ssa(gather_offsets
->elems
[i
]->def
);
2239 src
.src_type
= nir_tex_src_offset
;
2240 instrs
[i
]->src
[instrs
[i
]->num_srcs
- 1] = src
;
2241 nir_builder_instr_insert(&b
->nb
, &instrs
[i
]->instr
);
2244 /* Combine the results of the 4 instructions by taking their .w
2247 nir_alu_instr
*vec4
= nir_alu_instr_create(b
->shader
, nir_op_vec4
);
2248 nir_ssa_dest_init(&vec4
->instr
, &vec4
->dest
.dest
, 4, 32, NULL
);
2249 vec4
->dest
.write_mask
= 0xf;
2250 for (uint32_t i
= 0; i
< 4; i
++) {
2251 vec4
->src
[i
].src
= nir_src_for_ssa(&instrs
[i
]->dest
.ssa
);
2252 vec4
->src
[i
].swizzle
[0] = 3;
2254 def
= &vec4
->dest
.dest
.ssa
;
2255 instruction
= &vec4
->instr
;
2257 def
= &instr
->dest
.ssa
;
2258 instruction
= &instr
->instr
;
2261 val
->ssa
= vtn_create_ssa_value(b
, ret_type
->type
);
2262 val
->ssa
->def
= def
;
2264 nir_builder_instr_insert(&b
->nb
, instruction
);
2268 fill_common_atomic_sources(struct vtn_builder
*b
, SpvOp opcode
,
2269 const uint32_t *w
, nir_src
*src
)
2272 case SpvOpAtomicIIncrement
:
2273 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, 1));
2276 case SpvOpAtomicIDecrement
:
2277 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, -1));
2280 case SpvOpAtomicISub
:
2282 nir_src_for_ssa(nir_ineg(&b
->nb
, vtn_ssa_value(b
, w
[6])->def
));
2285 case SpvOpAtomicCompareExchange
:
2286 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[8])->def
);
2287 src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[7])->def
);
2290 case SpvOpAtomicExchange
:
2291 case SpvOpAtomicIAdd
:
2292 case SpvOpAtomicSMin
:
2293 case SpvOpAtomicUMin
:
2294 case SpvOpAtomicSMax
:
2295 case SpvOpAtomicUMax
:
2296 case SpvOpAtomicAnd
:
2298 case SpvOpAtomicXor
:
2299 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[6])->def
);
2303 vtn_fail("Invalid SPIR-V atomic");
2307 static nir_ssa_def
*
2308 get_image_coord(struct vtn_builder
*b
, uint32_t value
)
2310 struct vtn_ssa_value
*coord
= vtn_ssa_value(b
, value
);
2312 /* The image_load_store intrinsics assume a 4-dim coordinate */
2313 unsigned dim
= glsl_get_vector_elements(coord
->type
);
2314 unsigned swizzle
[4];
2315 for (unsigned i
= 0; i
< 4; i
++)
2316 swizzle
[i
] = MIN2(i
, dim
- 1);
2318 return nir_swizzle(&b
->nb
, coord
->def
, swizzle
, 4, false);
2321 static nir_ssa_def
*
2322 expand_to_vec4(nir_builder
*b
, nir_ssa_def
*value
)
2324 if (value
->num_components
== 4)
2328 for (unsigned i
= 0; i
< 4; i
++)
2329 swiz
[i
] = i
< value
->num_components
? i
: 0;
2330 return nir_swizzle(b
, value
, swiz
, 4, false);
2334 vtn_handle_image(struct vtn_builder
*b
, SpvOp opcode
,
2335 const uint32_t *w
, unsigned count
)
2337 /* Just get this one out of the way */
2338 if (opcode
== SpvOpImageTexelPointer
) {
2339 struct vtn_value
*val
=
2340 vtn_push_value(b
, w
[2], vtn_value_type_image_pointer
);
2341 val
->image
= ralloc(b
, struct vtn_image_pointer
);
2343 val
->image
->image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2344 val
->image
->coord
= get_image_coord(b
, w
[4]);
2345 val
->image
->sample
= vtn_ssa_value(b
, w
[5])->def
;
2349 struct vtn_image_pointer image
;
2352 case SpvOpAtomicExchange
:
2353 case SpvOpAtomicCompareExchange
:
2354 case SpvOpAtomicCompareExchangeWeak
:
2355 case SpvOpAtomicIIncrement
:
2356 case SpvOpAtomicIDecrement
:
2357 case SpvOpAtomicIAdd
:
2358 case SpvOpAtomicISub
:
2359 case SpvOpAtomicLoad
:
2360 case SpvOpAtomicSMin
:
2361 case SpvOpAtomicUMin
:
2362 case SpvOpAtomicSMax
:
2363 case SpvOpAtomicUMax
:
2364 case SpvOpAtomicAnd
:
2366 case SpvOpAtomicXor
:
2367 image
= *vtn_value(b
, w
[3], vtn_value_type_image_pointer
)->image
;
2370 case SpvOpAtomicStore
:
2371 image
= *vtn_value(b
, w
[1], vtn_value_type_image_pointer
)->image
;
2374 case SpvOpImageQuerySize
:
2375 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2377 image
.sample
= NULL
;
2380 case SpvOpImageRead
:
2381 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2382 image
.coord
= get_image_coord(b
, w
[4]);
2384 if (count
> 5 && (w
[5] & SpvImageOperandsSampleMask
)) {
2385 vtn_assert(w
[5] == SpvImageOperandsSampleMask
);
2386 image
.sample
= vtn_ssa_value(b
, w
[6])->def
;
2388 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2392 case SpvOpImageWrite
:
2393 image
.image
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2394 image
.coord
= get_image_coord(b
, w
[2]);
2398 if (count
> 4 && (w
[4] & SpvImageOperandsSampleMask
)) {
2399 vtn_assert(w
[4] == SpvImageOperandsSampleMask
);
2400 image
.sample
= vtn_ssa_value(b
, w
[5])->def
;
2402 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
2407 vtn_fail("Invalid image opcode");
2410 nir_intrinsic_op op
;
2412 #define OP(S, N) case SpvOp##S: op = nir_intrinsic_image_deref_##N; break;
2413 OP(ImageQuerySize
, size
)
2415 OP(ImageWrite
, store
)
2416 OP(AtomicLoad
, load
)
2417 OP(AtomicStore
, store
)
2418 OP(AtomicExchange
, atomic_exchange
)
2419 OP(AtomicCompareExchange
, atomic_comp_swap
)
2420 OP(AtomicIIncrement
, atomic_add
)
2421 OP(AtomicIDecrement
, atomic_add
)
2422 OP(AtomicIAdd
, atomic_add
)
2423 OP(AtomicISub
, atomic_add
)
2424 OP(AtomicSMin
, atomic_min
)
2425 OP(AtomicUMin
, atomic_min
)
2426 OP(AtomicSMax
, atomic_max
)
2427 OP(AtomicUMax
, atomic_max
)
2428 OP(AtomicAnd
, atomic_and
)
2429 OP(AtomicOr
, atomic_or
)
2430 OP(AtomicXor
, atomic_xor
)
2433 vtn_fail("Invalid image opcode");
2436 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
2438 nir_deref_instr
*image_deref
= vtn_pointer_to_deref(b
, image
.image
);
2439 intrin
->src
[0] = nir_src_for_ssa(&image_deref
->dest
.ssa
);
2441 /* ImageQuerySize doesn't take any extra parameters */
2442 if (opcode
!= SpvOpImageQuerySize
) {
2443 /* The image coordinate is always 4 components but we may not have that
2444 * many. Swizzle to compensate.
2446 intrin
->src
[1] = nir_src_for_ssa(expand_to_vec4(&b
->nb
, image
.coord
));
2447 intrin
->src
[2] = nir_src_for_ssa(image
.sample
);
2451 case SpvOpAtomicLoad
:
2452 case SpvOpImageQuerySize
:
2453 case SpvOpImageRead
:
2455 case SpvOpAtomicStore
:
2456 case SpvOpImageWrite
: {
2457 const uint32_t value_id
= opcode
== SpvOpAtomicStore
? w
[4] : w
[3];
2458 nir_ssa_def
*value
= vtn_ssa_value(b
, value_id
)->def
;
2459 /* nir_intrinsic_image_deref_store always takes a vec4 value */
2460 assert(op
== nir_intrinsic_image_deref_store
);
2461 intrin
->num_components
= 4;
2462 intrin
->src
[3] = nir_src_for_ssa(expand_to_vec4(&b
->nb
, value
));
2466 case SpvOpAtomicCompareExchange
:
2467 case SpvOpAtomicIIncrement
:
2468 case SpvOpAtomicIDecrement
:
2469 case SpvOpAtomicExchange
:
2470 case SpvOpAtomicIAdd
:
2471 case SpvOpAtomicISub
:
2472 case SpvOpAtomicSMin
:
2473 case SpvOpAtomicUMin
:
2474 case SpvOpAtomicSMax
:
2475 case SpvOpAtomicUMax
:
2476 case SpvOpAtomicAnd
:
2478 case SpvOpAtomicXor
:
2479 fill_common_atomic_sources(b
, opcode
, w
, &intrin
->src
[3]);
2483 vtn_fail("Invalid image opcode");
2486 if (opcode
!= SpvOpImageWrite
&& opcode
!= SpvOpAtomicStore
) {
2487 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2488 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2490 unsigned dest_components
= glsl_get_vector_elements(type
->type
);
2491 intrin
->num_components
= nir_intrinsic_infos
[op
].dest_components
;
2492 if (intrin
->num_components
== 0)
2493 intrin
->num_components
= dest_components
;
2495 nir_ssa_dest_init(&intrin
->instr
, &intrin
->dest
,
2496 intrin
->num_components
, 32, NULL
);
2498 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2500 nir_ssa_def
*result
= &intrin
->dest
.ssa
;
2501 if (intrin
->num_components
!= dest_components
)
2502 result
= nir_channels(&b
->nb
, result
, (1 << dest_components
) - 1);
2504 val
->ssa
= vtn_create_ssa_value(b
, type
->type
);
2505 val
->ssa
->def
= result
;
2507 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2511 static nir_intrinsic_op
2512 get_ssbo_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2515 case SpvOpAtomicLoad
: return nir_intrinsic_load_ssbo
;
2516 case SpvOpAtomicStore
: return nir_intrinsic_store_ssbo
;
2517 #define OP(S, N) case SpvOp##S: return nir_intrinsic_ssbo_##N;
2518 OP(AtomicExchange
, atomic_exchange
)
2519 OP(AtomicCompareExchange
, atomic_comp_swap
)
2520 OP(AtomicIIncrement
, atomic_add
)
2521 OP(AtomicIDecrement
, atomic_add
)
2522 OP(AtomicIAdd
, atomic_add
)
2523 OP(AtomicISub
, atomic_add
)
2524 OP(AtomicSMin
, atomic_imin
)
2525 OP(AtomicUMin
, atomic_umin
)
2526 OP(AtomicSMax
, atomic_imax
)
2527 OP(AtomicUMax
, atomic_umax
)
2528 OP(AtomicAnd
, atomic_and
)
2529 OP(AtomicOr
, atomic_or
)
2530 OP(AtomicXor
, atomic_xor
)
2533 vtn_fail("Invalid SSBO atomic");
2537 static nir_intrinsic_op
2538 get_uniform_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2541 #define OP(S, N) case SpvOp##S: return nir_intrinsic_atomic_counter_ ##N;
2542 OP(AtomicLoad
, read_deref
)
2543 OP(AtomicExchange
, exchange
)
2544 OP(AtomicCompareExchange
, comp_swap
)
2545 OP(AtomicIIncrement
, inc_deref
)
2546 OP(AtomicIDecrement
, post_dec_deref
)
2547 OP(AtomicIAdd
, add_deref
)
2548 OP(AtomicISub
, add_deref
)
2549 OP(AtomicUMin
, min_deref
)
2550 OP(AtomicUMax
, max_deref
)
2551 OP(AtomicAnd
, and_deref
)
2552 OP(AtomicOr
, or_deref
)
2553 OP(AtomicXor
, xor_deref
)
2556 /* We left the following out: AtomicStore, AtomicSMin and
2557 * AtomicSmax. Right now there are not nir intrinsics for them. At this
2558 * moment Atomic Counter support is needed for ARB_spirv support, so is
2559 * only need to support GLSL Atomic Counters that are uints and don't
2560 * allow direct storage.
2562 unreachable("Invalid uniform atomic");
2566 static nir_intrinsic_op
2567 get_shared_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2570 case SpvOpAtomicLoad
: return nir_intrinsic_load_shared
;
2571 case SpvOpAtomicStore
: return nir_intrinsic_store_shared
;
2572 #define OP(S, N) case SpvOp##S: return nir_intrinsic_shared_##N;
2573 OP(AtomicExchange
, atomic_exchange
)
2574 OP(AtomicCompareExchange
, atomic_comp_swap
)
2575 OP(AtomicIIncrement
, atomic_add
)
2576 OP(AtomicIDecrement
, atomic_add
)
2577 OP(AtomicIAdd
, atomic_add
)
2578 OP(AtomicISub
, atomic_add
)
2579 OP(AtomicSMin
, atomic_imin
)
2580 OP(AtomicUMin
, atomic_umin
)
2581 OP(AtomicSMax
, atomic_imax
)
2582 OP(AtomicUMax
, atomic_umax
)
2583 OP(AtomicAnd
, atomic_and
)
2584 OP(AtomicOr
, atomic_or
)
2585 OP(AtomicXor
, atomic_xor
)
2588 vtn_fail("Invalid shared atomic");
2592 static nir_intrinsic_op
2593 get_deref_nir_atomic_op(struct vtn_builder
*b
, SpvOp opcode
)
2596 case SpvOpAtomicLoad
: return nir_intrinsic_load_deref
;
2597 case SpvOpAtomicStore
: return nir_intrinsic_store_deref
;
2598 #define OP(S, N) case SpvOp##S: return nir_intrinsic_deref_##N;
2599 OP(AtomicExchange
, atomic_exchange
)
2600 OP(AtomicCompareExchange
, atomic_comp_swap
)
2601 OP(AtomicIIncrement
, atomic_add
)
2602 OP(AtomicIDecrement
, atomic_add
)
2603 OP(AtomicIAdd
, atomic_add
)
2604 OP(AtomicISub
, atomic_add
)
2605 OP(AtomicSMin
, atomic_imin
)
2606 OP(AtomicUMin
, atomic_umin
)
2607 OP(AtomicSMax
, atomic_imax
)
2608 OP(AtomicUMax
, atomic_umax
)
2609 OP(AtomicAnd
, atomic_and
)
2610 OP(AtomicOr
, atomic_or
)
2611 OP(AtomicXor
, atomic_xor
)
2614 vtn_fail("Invalid shared atomic");
2619 * Handles shared atomics, ssbo atomics and atomic counters.
2622 vtn_handle_atomics(struct vtn_builder
*b
, SpvOp opcode
,
2623 const uint32_t *w
, unsigned count
)
2625 struct vtn_pointer
*ptr
;
2626 nir_intrinsic_instr
*atomic
;
2629 case SpvOpAtomicLoad
:
2630 case SpvOpAtomicExchange
:
2631 case SpvOpAtomicCompareExchange
:
2632 case SpvOpAtomicCompareExchangeWeak
:
2633 case SpvOpAtomicIIncrement
:
2634 case SpvOpAtomicIDecrement
:
2635 case SpvOpAtomicIAdd
:
2636 case SpvOpAtomicISub
:
2637 case SpvOpAtomicSMin
:
2638 case SpvOpAtomicUMin
:
2639 case SpvOpAtomicSMax
:
2640 case SpvOpAtomicUMax
:
2641 case SpvOpAtomicAnd
:
2643 case SpvOpAtomicXor
:
2644 ptr
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2647 case SpvOpAtomicStore
:
2648 ptr
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2652 vtn_fail("Invalid SPIR-V atomic");
2656 SpvScope scope = w[4];
2657 SpvMemorySemanticsMask semantics = w[5];
2660 /* uniform as "atomic counter uniform" */
2661 if (ptr
->mode
== vtn_variable_mode_uniform
) {
2662 nir_deref_instr
*deref
= vtn_pointer_to_deref(b
, ptr
);
2663 const struct glsl_type
*deref_type
= deref
->type
;
2664 nir_intrinsic_op op
= get_uniform_nir_atomic_op(b
, opcode
);
2665 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2666 atomic
->src
[0] = nir_src_for_ssa(&deref
->dest
.ssa
);
2668 /* SSBO needs to initialize index/offset. In this case we don't need to,
2669 * as that info is already stored on the ptr->var->var nir_variable (see
2670 * vtn_create_variable)
2674 case SpvOpAtomicLoad
:
2675 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2678 case SpvOpAtomicStore
:
2679 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2680 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2683 case SpvOpAtomicExchange
:
2684 case SpvOpAtomicCompareExchange
:
2685 case SpvOpAtomicCompareExchangeWeak
:
2686 case SpvOpAtomicIIncrement
:
2687 case SpvOpAtomicIDecrement
:
2688 case SpvOpAtomicIAdd
:
2689 case SpvOpAtomicISub
:
2690 case SpvOpAtomicSMin
:
2691 case SpvOpAtomicUMin
:
2692 case SpvOpAtomicSMax
:
2693 case SpvOpAtomicUMax
:
2694 case SpvOpAtomicAnd
:
2696 case SpvOpAtomicXor
:
2697 /* Nothing: we don't need to call fill_common_atomic_sources here, as
2698 * atomic counter uniforms doesn't have sources
2703 unreachable("Invalid SPIR-V atomic");
2706 } else if (ptr
->mode
== vtn_variable_mode_workgroup
&&
2707 !b
->options
->lower_workgroup_access_to_offsets
) {
2708 nir_deref_instr
*deref
= vtn_pointer_to_deref(b
, ptr
);
2709 const struct glsl_type
*deref_type
= deref
->type
;
2710 nir_intrinsic_op op
= get_deref_nir_atomic_op(b
, opcode
);
2711 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2712 atomic
->src
[0] = nir_src_for_ssa(&deref
->dest
.ssa
);
2715 case SpvOpAtomicLoad
:
2716 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2719 case SpvOpAtomicStore
:
2720 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2721 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2722 atomic
->src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2725 case SpvOpAtomicExchange
:
2726 case SpvOpAtomicCompareExchange
:
2727 case SpvOpAtomicCompareExchangeWeak
:
2728 case SpvOpAtomicIIncrement
:
2729 case SpvOpAtomicIDecrement
:
2730 case SpvOpAtomicIAdd
:
2731 case SpvOpAtomicISub
:
2732 case SpvOpAtomicSMin
:
2733 case SpvOpAtomicUMin
:
2734 case SpvOpAtomicSMax
:
2735 case SpvOpAtomicUMax
:
2736 case SpvOpAtomicAnd
:
2738 case SpvOpAtomicXor
:
2739 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[1]);
2743 vtn_fail("Invalid SPIR-V atomic");
2747 nir_ssa_def
*offset
, *index
;
2748 offset
= vtn_pointer_to_offset(b
, ptr
, &index
);
2750 nir_intrinsic_op op
;
2751 if (ptr
->mode
== vtn_variable_mode_ssbo
) {
2752 op
= get_ssbo_nir_atomic_op(b
, opcode
);
2754 vtn_assert(ptr
->mode
== vtn_variable_mode_workgroup
&&
2755 b
->options
->lower_workgroup_access_to_offsets
);
2756 op
= get_shared_nir_atomic_op(b
, opcode
);
2759 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2763 case SpvOpAtomicLoad
:
2764 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2765 nir_intrinsic_set_align(atomic
, 4, 0);
2766 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2767 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2768 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2771 case SpvOpAtomicStore
:
2772 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2773 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2774 nir_intrinsic_set_align(atomic
, 4, 0);
2775 atomic
->src
[src
++] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2776 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2777 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2778 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2781 case SpvOpAtomicExchange
:
2782 case SpvOpAtomicCompareExchange
:
2783 case SpvOpAtomicCompareExchangeWeak
:
2784 case SpvOpAtomicIIncrement
:
2785 case SpvOpAtomicIDecrement
:
2786 case SpvOpAtomicIAdd
:
2787 case SpvOpAtomicISub
:
2788 case SpvOpAtomicSMin
:
2789 case SpvOpAtomicUMin
:
2790 case SpvOpAtomicSMax
:
2791 case SpvOpAtomicUMax
:
2792 case SpvOpAtomicAnd
:
2794 case SpvOpAtomicXor
:
2795 if (ptr
->mode
== vtn_variable_mode_ssbo
)
2796 atomic
->src
[src
++] = nir_src_for_ssa(index
);
2797 atomic
->src
[src
++] = nir_src_for_ssa(offset
);
2798 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[src
]);
2802 vtn_fail("Invalid SPIR-V atomic");
2806 if (opcode
!= SpvOpAtomicStore
) {
2807 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2809 nir_ssa_dest_init(&atomic
->instr
, &atomic
->dest
,
2810 glsl_get_vector_elements(type
->type
),
2811 glsl_get_bit_size(type
->type
), NULL
);
2813 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2814 val
->ssa
= rzalloc(b
, struct vtn_ssa_value
);
2815 val
->ssa
->def
= &atomic
->dest
.ssa
;
2816 val
->ssa
->type
= type
->type
;
2819 nir_builder_instr_insert(&b
->nb
, &atomic
->instr
);
2822 static nir_alu_instr
*
2823 create_vec(struct vtn_builder
*b
, unsigned num_components
, unsigned bit_size
)
2826 switch (num_components
) {
2827 case 1: op
= nir_op_imov
; break;
2828 case 2: op
= nir_op_vec2
; break;
2829 case 3: op
= nir_op_vec3
; break;
2830 case 4: op
= nir_op_vec4
; break;
2831 default: vtn_fail("bad vector size");
2834 nir_alu_instr
*vec
= nir_alu_instr_create(b
->shader
, op
);
2835 nir_ssa_dest_init(&vec
->instr
, &vec
->dest
.dest
, num_components
,
2837 vec
->dest
.write_mask
= (1 << num_components
) - 1;
2842 struct vtn_ssa_value
*
2843 vtn_ssa_transpose(struct vtn_builder
*b
, struct vtn_ssa_value
*src
)
2845 if (src
->transposed
)
2846 return src
->transposed
;
2848 struct vtn_ssa_value
*dest
=
2849 vtn_create_ssa_value(b
, glsl_transposed_type(src
->type
));
2851 for (unsigned i
= 0; i
< glsl_get_matrix_columns(dest
->type
); i
++) {
2852 nir_alu_instr
*vec
= create_vec(b
, glsl_get_matrix_columns(src
->type
),
2853 glsl_get_bit_size(src
->type
));
2854 if (glsl_type_is_vector_or_scalar(src
->type
)) {
2855 vec
->src
[0].src
= nir_src_for_ssa(src
->def
);
2856 vec
->src
[0].swizzle
[0] = i
;
2858 for (unsigned j
= 0; j
< glsl_get_matrix_columns(src
->type
); j
++) {
2859 vec
->src
[j
].src
= nir_src_for_ssa(src
->elems
[j
]->def
);
2860 vec
->src
[j
].swizzle
[0] = i
;
2863 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2864 dest
->elems
[i
]->def
= &vec
->dest
.dest
.ssa
;
2867 dest
->transposed
= src
;
2873 vtn_vector_extract(struct vtn_builder
*b
, nir_ssa_def
*src
, unsigned index
)
2875 return nir_channel(&b
->nb
, src
, index
);
2879 vtn_vector_insert(struct vtn_builder
*b
, nir_ssa_def
*src
, nir_ssa_def
*insert
,
2882 nir_alu_instr
*vec
= create_vec(b
, src
->num_components
,
2885 for (unsigned i
= 0; i
< src
->num_components
; i
++) {
2887 vec
->src
[i
].src
= nir_src_for_ssa(insert
);
2889 vec
->src
[i
].src
= nir_src_for_ssa(src
);
2890 vec
->src
[i
].swizzle
[0] = i
;
2894 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2896 return &vec
->dest
.dest
.ssa
;
2900 vtn_vector_extract_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
2903 nir_ssa_def
*dest
= vtn_vector_extract(b
, src
, 0);
2904 for (unsigned i
= 1; i
< src
->num_components
; i
++)
2905 dest
= nir_bcsel(&b
->nb
, nir_ieq(&b
->nb
, index
, nir_imm_int(&b
->nb
, i
)),
2906 vtn_vector_extract(b
, src
, i
), dest
);
2912 vtn_vector_insert_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
2913 nir_ssa_def
*insert
, nir_ssa_def
*index
)
2915 nir_ssa_def
*dest
= vtn_vector_insert(b
, src
, insert
, 0);
2916 for (unsigned i
= 1; i
< src
->num_components
; i
++)
2917 dest
= nir_bcsel(&b
->nb
, nir_ieq(&b
->nb
, index
, nir_imm_int(&b
->nb
, i
)),
2918 vtn_vector_insert(b
, src
, insert
, i
), dest
);
2923 static nir_ssa_def
*
2924 vtn_vector_shuffle(struct vtn_builder
*b
, unsigned num_components
,
2925 nir_ssa_def
*src0
, nir_ssa_def
*src1
,
2926 const uint32_t *indices
)
2928 nir_alu_instr
*vec
= create_vec(b
, num_components
, src0
->bit_size
);
2930 for (unsigned i
= 0; i
< num_components
; i
++) {
2931 uint32_t index
= indices
[i
];
2932 if (index
== 0xffffffff) {
2934 nir_src_for_ssa(nir_ssa_undef(&b
->nb
, 1, src0
->bit_size
));
2935 } else if (index
< src0
->num_components
) {
2936 vec
->src
[i
].src
= nir_src_for_ssa(src0
);
2937 vec
->src
[i
].swizzle
[0] = index
;
2939 vec
->src
[i
].src
= nir_src_for_ssa(src1
);
2940 vec
->src
[i
].swizzle
[0] = index
- src0
->num_components
;
2944 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2946 return &vec
->dest
.dest
.ssa
;
2950 * Concatentates a number of vectors/scalars together to produce a vector
2952 static nir_ssa_def
*
2953 vtn_vector_construct(struct vtn_builder
*b
, unsigned num_components
,
2954 unsigned num_srcs
, nir_ssa_def
**srcs
)
2956 nir_alu_instr
*vec
= create_vec(b
, num_components
, srcs
[0]->bit_size
);
2958 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
2960 * "When constructing a vector, there must be at least two Constituent
2963 vtn_assert(num_srcs
>= 2);
2965 unsigned dest_idx
= 0;
2966 for (unsigned i
= 0; i
< num_srcs
; i
++) {
2967 nir_ssa_def
*src
= srcs
[i
];
2968 vtn_assert(dest_idx
+ src
->num_components
<= num_components
);
2969 for (unsigned j
= 0; j
< src
->num_components
; j
++) {
2970 vec
->src
[dest_idx
].src
= nir_src_for_ssa(src
);
2971 vec
->src
[dest_idx
].swizzle
[0] = j
;
2976 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
2978 * "When constructing a vector, the total number of components in all
2979 * the operands must equal the number of components in Result Type."
2981 vtn_assert(dest_idx
== num_components
);
2983 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2985 return &vec
->dest
.dest
.ssa
;
2988 static struct vtn_ssa_value
*
2989 vtn_composite_copy(void *mem_ctx
, struct vtn_ssa_value
*src
)
2991 struct vtn_ssa_value
*dest
= rzalloc(mem_ctx
, struct vtn_ssa_value
);
2992 dest
->type
= src
->type
;
2994 if (glsl_type_is_vector_or_scalar(src
->type
)) {
2995 dest
->def
= src
->def
;
2997 unsigned elems
= glsl_get_length(src
->type
);
2999 dest
->elems
= ralloc_array(mem_ctx
, struct vtn_ssa_value
*, elems
);
3000 for (unsigned i
= 0; i
< elems
; i
++)
3001 dest
->elems
[i
] = vtn_composite_copy(mem_ctx
, src
->elems
[i
]);
3007 static struct vtn_ssa_value
*
3008 vtn_composite_insert(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
3009 struct vtn_ssa_value
*insert
, const uint32_t *indices
,
3010 unsigned num_indices
)
3012 struct vtn_ssa_value
*dest
= vtn_composite_copy(b
, src
);
3014 struct vtn_ssa_value
*cur
= dest
;
3016 for (i
= 0; i
< num_indices
- 1; i
++) {
3017 cur
= cur
->elems
[indices
[i
]];
3020 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
3021 /* According to the SPIR-V spec, OpCompositeInsert may work down to
3022 * the component granularity. In that case, the last index will be
3023 * the index to insert the scalar into the vector.
3026 cur
->def
= vtn_vector_insert(b
, cur
->def
, insert
->def
, indices
[i
]);
3028 cur
->elems
[indices
[i
]] = insert
;
3034 static struct vtn_ssa_value
*
3035 vtn_composite_extract(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
3036 const uint32_t *indices
, unsigned num_indices
)
3038 struct vtn_ssa_value
*cur
= src
;
3039 for (unsigned i
= 0; i
< num_indices
; i
++) {
3040 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
3041 vtn_assert(i
== num_indices
- 1);
3042 /* According to the SPIR-V spec, OpCompositeExtract may work down to
3043 * the component granularity. The last index will be the index of the
3044 * vector to extract.
3047 struct vtn_ssa_value
*ret
= rzalloc(b
, struct vtn_ssa_value
);
3048 ret
->type
= glsl_scalar_type(glsl_get_base_type(cur
->type
));
3049 ret
->def
= vtn_vector_extract(b
, cur
->def
, indices
[i
]);
3052 cur
= cur
->elems
[indices
[i
]];
3060 vtn_handle_composite(struct vtn_builder
*b
, SpvOp opcode
,
3061 const uint32_t *w
, unsigned count
)
3063 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
3064 const struct glsl_type
*type
=
3065 vtn_value(b
, w
[1], vtn_value_type_type
)->type
->type
;
3066 val
->ssa
= vtn_create_ssa_value(b
, type
);
3069 case SpvOpVectorExtractDynamic
:
3070 val
->ssa
->def
= vtn_vector_extract_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
3071 vtn_ssa_value(b
, w
[4])->def
);
3074 case SpvOpVectorInsertDynamic
:
3075 val
->ssa
->def
= vtn_vector_insert_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
3076 vtn_ssa_value(b
, w
[4])->def
,
3077 vtn_ssa_value(b
, w
[5])->def
);
3080 case SpvOpVectorShuffle
:
3081 val
->ssa
->def
= vtn_vector_shuffle(b
, glsl_get_vector_elements(type
),
3082 vtn_ssa_value(b
, w
[3])->def
,
3083 vtn_ssa_value(b
, w
[4])->def
,
3087 case SpvOpCompositeConstruct
: {
3088 unsigned elems
= count
- 3;
3090 if (glsl_type_is_vector_or_scalar(type
)) {
3091 nir_ssa_def
*srcs
[NIR_MAX_VEC_COMPONENTS
];
3092 for (unsigned i
= 0; i
< elems
; i
++)
3093 srcs
[i
] = vtn_ssa_value(b
, w
[3 + i
])->def
;
3095 vtn_vector_construct(b
, glsl_get_vector_elements(type
),
3098 val
->ssa
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
3099 for (unsigned i
= 0; i
< elems
; i
++)
3100 val
->ssa
->elems
[i
] = vtn_ssa_value(b
, w
[3 + i
]);
3104 case SpvOpCompositeExtract
:
3105 val
->ssa
= vtn_composite_extract(b
, vtn_ssa_value(b
, w
[3]),
3109 case SpvOpCompositeInsert
:
3110 val
->ssa
= vtn_composite_insert(b
, vtn_ssa_value(b
, w
[4]),
3111 vtn_ssa_value(b
, w
[3]),
3115 case SpvOpCopyObject
:
3116 val
->ssa
= vtn_composite_copy(b
, vtn_ssa_value(b
, w
[3]));
3120 vtn_fail("unknown composite operation");
3125 vtn_emit_barrier(struct vtn_builder
*b
, nir_intrinsic_op op
)
3127 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
3128 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3132 vtn_emit_memory_barrier(struct vtn_builder
*b
, SpvScope scope
,
3133 SpvMemorySemanticsMask semantics
)
3135 static const SpvMemorySemanticsMask all_memory_semantics
=
3136 SpvMemorySemanticsUniformMemoryMask
|
3137 SpvMemorySemanticsWorkgroupMemoryMask
|
3138 SpvMemorySemanticsAtomicCounterMemoryMask
|
3139 SpvMemorySemanticsImageMemoryMask
;
3141 /* If we're not actually doing a memory barrier, bail */
3142 if (!(semantics
& all_memory_semantics
))
3145 /* GL and Vulkan don't have these */
3146 vtn_assert(scope
!= SpvScopeCrossDevice
);
3148 if (scope
== SpvScopeSubgroup
)
3149 return; /* Nothing to do here */
3151 if (scope
== SpvScopeWorkgroup
) {
3152 vtn_emit_barrier(b
, nir_intrinsic_group_memory_barrier
);
3156 /* There's only two scopes thing left */
3157 vtn_assert(scope
== SpvScopeInvocation
|| scope
== SpvScopeDevice
);
3159 if ((semantics
& all_memory_semantics
) == all_memory_semantics
) {
3160 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier
);
3164 /* Issue a bunch of more specific barriers */
3165 uint32_t bits
= semantics
;
3167 SpvMemorySemanticsMask semantic
= 1 << u_bit_scan(&bits
);
3169 case SpvMemorySemanticsUniformMemoryMask
:
3170 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_buffer
);
3172 case SpvMemorySemanticsWorkgroupMemoryMask
:
3173 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_shared
);
3175 case SpvMemorySemanticsAtomicCounterMemoryMask
:
3176 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_atomic_counter
);
3178 case SpvMemorySemanticsImageMemoryMask
:
3179 vtn_emit_barrier(b
, nir_intrinsic_memory_barrier_image
);
3188 vtn_handle_barrier(struct vtn_builder
*b
, SpvOp opcode
,
3189 const uint32_t *w
, unsigned count
)
3192 case SpvOpEmitVertex
:
3193 case SpvOpEmitStreamVertex
:
3194 case SpvOpEndPrimitive
:
3195 case SpvOpEndStreamPrimitive
: {
3196 nir_intrinsic_op intrinsic_op
;
3198 case SpvOpEmitVertex
:
3199 case SpvOpEmitStreamVertex
:
3200 intrinsic_op
= nir_intrinsic_emit_vertex
;
3202 case SpvOpEndPrimitive
:
3203 case SpvOpEndStreamPrimitive
:
3204 intrinsic_op
= nir_intrinsic_end_primitive
;
3207 unreachable("Invalid opcode");
3210 nir_intrinsic_instr
*intrin
=
3211 nir_intrinsic_instr_create(b
->shader
, intrinsic_op
);
3214 case SpvOpEmitStreamVertex
:
3215 case SpvOpEndStreamPrimitive
: {
3216 unsigned stream
= vtn_constant_value(b
, w
[1])->values
[0].u32
[0];
3217 nir_intrinsic_set_stream_id(intrin
, stream
);
3225 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
3229 case SpvOpMemoryBarrier
: {
3230 SpvScope scope
= vtn_constant_value(b
, w
[1])->values
[0].u32
[0];
3231 SpvMemorySemanticsMask semantics
=
3232 vtn_constant_value(b
, w
[2])->values
[0].u32
[0];
3233 vtn_emit_memory_barrier(b
, scope
, semantics
);
3237 case SpvOpControlBarrier
: {
3238 SpvScope execution_scope
=
3239 vtn_constant_value(b
, w
[1])->values
[0].u32
[0];
3240 if (execution_scope
== SpvScopeWorkgroup
)
3241 vtn_emit_barrier(b
, nir_intrinsic_barrier
);
3243 SpvScope memory_scope
=
3244 vtn_constant_value(b
, w
[2])->values
[0].u32
[0];
3245 SpvMemorySemanticsMask memory_semantics
=
3246 vtn_constant_value(b
, w
[3])->values
[0].u32
[0];
3247 vtn_emit_memory_barrier(b
, memory_scope
, memory_semantics
);
3252 unreachable("unknown barrier instruction");
3257 gl_primitive_from_spv_execution_mode(struct vtn_builder
*b
,
3258 SpvExecutionMode mode
)
3261 case SpvExecutionModeInputPoints
:
3262 case SpvExecutionModeOutputPoints
:
3263 return 0; /* GL_POINTS */
3264 case SpvExecutionModeInputLines
:
3265 return 1; /* GL_LINES */
3266 case SpvExecutionModeInputLinesAdjacency
:
3267 return 0x000A; /* GL_LINE_STRIP_ADJACENCY_ARB */
3268 case SpvExecutionModeTriangles
:
3269 return 4; /* GL_TRIANGLES */
3270 case SpvExecutionModeInputTrianglesAdjacency
:
3271 return 0x000C; /* GL_TRIANGLES_ADJACENCY_ARB */
3272 case SpvExecutionModeQuads
:
3273 return 7; /* GL_QUADS */
3274 case SpvExecutionModeIsolines
:
3275 return 0x8E7A; /* GL_ISOLINES */
3276 case SpvExecutionModeOutputLineStrip
:
3277 return 3; /* GL_LINE_STRIP */
3278 case SpvExecutionModeOutputTriangleStrip
:
3279 return 5; /* GL_TRIANGLE_STRIP */
3281 vtn_fail("Invalid primitive type");
3286 vertices_in_from_spv_execution_mode(struct vtn_builder
*b
,
3287 SpvExecutionMode mode
)
3290 case SpvExecutionModeInputPoints
:
3292 case SpvExecutionModeInputLines
:
3294 case SpvExecutionModeInputLinesAdjacency
:
3296 case SpvExecutionModeTriangles
:
3298 case SpvExecutionModeInputTrianglesAdjacency
:
3301 vtn_fail("Invalid GS input mode");
3305 static gl_shader_stage
3306 stage_for_execution_model(struct vtn_builder
*b
, SpvExecutionModel model
)
3309 case SpvExecutionModelVertex
:
3310 return MESA_SHADER_VERTEX
;
3311 case SpvExecutionModelTessellationControl
:
3312 return MESA_SHADER_TESS_CTRL
;
3313 case SpvExecutionModelTessellationEvaluation
:
3314 return MESA_SHADER_TESS_EVAL
;
3315 case SpvExecutionModelGeometry
:
3316 return MESA_SHADER_GEOMETRY
;
3317 case SpvExecutionModelFragment
:
3318 return MESA_SHADER_FRAGMENT
;
3319 case SpvExecutionModelGLCompute
:
3320 return MESA_SHADER_COMPUTE
;
3322 vtn_fail("Unsupported execution model");
3326 #define spv_check_supported(name, cap) do { \
3327 if (!(b->options && b->options->caps.name)) \
3328 vtn_warn("Unsupported SPIR-V capability: %s", \
3329 spirv_capability_to_string(cap)); \
3334 vtn_handle_entry_point(struct vtn_builder
*b
, const uint32_t *w
,
3337 struct vtn_value
*entry_point
= &b
->values
[w
[2]];
3338 /* Let this be a name label regardless */
3339 unsigned name_words
;
3340 entry_point
->name
= vtn_string_literal(b
, &w
[3], count
- 3, &name_words
);
3342 if (strcmp(entry_point
->name
, b
->entry_point_name
) != 0 ||
3343 stage_for_execution_model(b
, w
[1]) != b
->entry_point_stage
)
3346 vtn_assert(b
->entry_point
== NULL
);
3347 b
->entry_point
= entry_point
;
3351 vtn_handle_preamble_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3352 const uint32_t *w
, unsigned count
)
3359 case SpvSourceLanguageUnknown
: lang
= "unknown"; break;
3360 case SpvSourceLanguageESSL
: lang
= "ESSL"; break;
3361 case SpvSourceLanguageGLSL
: lang
= "GLSL"; break;
3362 case SpvSourceLanguageOpenCL_C
: lang
= "OpenCL C"; break;
3363 case SpvSourceLanguageOpenCL_CPP
: lang
= "OpenCL C++"; break;
3364 case SpvSourceLanguageHLSL
: lang
= "HLSL"; break;
3367 uint32_t version
= w
[2];
3370 (count
> 3) ? vtn_value(b
, w
[3], vtn_value_type_string
)->str
: "";
3372 vtn_info("Parsing SPIR-V from %s %u source file %s", lang
, version
, file
);
3376 case SpvOpSourceExtension
:
3377 case SpvOpSourceContinued
:
3378 case SpvOpExtension
:
3379 case SpvOpModuleProcessed
:
3380 /* Unhandled, but these are for debug so that's ok. */
3383 case SpvOpCapability
: {
3384 SpvCapability cap
= w
[1];
3386 case SpvCapabilityMatrix
:
3387 case SpvCapabilityShader
:
3388 case SpvCapabilityGeometry
:
3389 case SpvCapabilityGeometryPointSize
:
3390 case SpvCapabilityUniformBufferArrayDynamicIndexing
:
3391 case SpvCapabilitySampledImageArrayDynamicIndexing
:
3392 case SpvCapabilityStorageBufferArrayDynamicIndexing
:
3393 case SpvCapabilityStorageImageArrayDynamicIndexing
:
3394 case SpvCapabilityImageRect
:
3395 case SpvCapabilitySampledRect
:
3396 case SpvCapabilitySampled1D
:
3397 case SpvCapabilityImage1D
:
3398 case SpvCapabilitySampledCubeArray
:
3399 case SpvCapabilityImageCubeArray
:
3400 case SpvCapabilitySampledBuffer
:
3401 case SpvCapabilityImageBuffer
:
3402 case SpvCapabilityImageQuery
:
3403 case SpvCapabilityDerivativeControl
:
3404 case SpvCapabilityInterpolationFunction
:
3405 case SpvCapabilityMultiViewport
:
3406 case SpvCapabilitySampleRateShading
:
3407 case SpvCapabilityClipDistance
:
3408 case SpvCapabilityCullDistance
:
3409 case SpvCapabilityInputAttachment
:
3410 case SpvCapabilityImageGatherExtended
:
3411 case SpvCapabilityStorageImageExtendedFormats
:
3414 case SpvCapabilityLinkage
:
3415 case SpvCapabilityVector16
:
3416 case SpvCapabilityFloat16Buffer
:
3417 case SpvCapabilityFloat16
:
3418 case SpvCapabilityInt64Atomics
:
3419 case SpvCapabilityStorageImageMultisample
:
3420 case SpvCapabilityInt8
:
3421 case SpvCapabilitySparseResidency
:
3422 case SpvCapabilityMinLod
:
3423 vtn_warn("Unsupported SPIR-V capability: %s",
3424 spirv_capability_to_string(cap
));
3427 case SpvCapabilityAtomicStorage
:
3428 spv_check_supported(atomic_storage
, cap
);
3431 case SpvCapabilityFloat64
:
3432 spv_check_supported(float64
, cap
);
3434 case SpvCapabilityInt64
:
3435 spv_check_supported(int64
, cap
);
3437 case SpvCapabilityInt16
:
3438 spv_check_supported(int16
, cap
);
3441 case SpvCapabilityTransformFeedback
:
3442 spv_check_supported(transform_feedback
, cap
);
3445 case SpvCapabilityGeometryStreams
:
3446 spv_check_supported(geometry_streams
, cap
);
3449 case SpvCapabilityAddresses
:
3450 case SpvCapabilityKernel
:
3451 case SpvCapabilityImageBasic
:
3452 case SpvCapabilityImageReadWrite
:
3453 case SpvCapabilityImageMipmap
:
3454 case SpvCapabilityPipes
:
3455 case SpvCapabilityGroups
:
3456 case SpvCapabilityDeviceEnqueue
:
3457 case SpvCapabilityLiteralSampler
:
3458 case SpvCapabilityGenericPointer
:
3459 vtn_warn("Unsupported OpenCL-style SPIR-V capability: %s",
3460 spirv_capability_to_string(cap
));
3463 case SpvCapabilityImageMSArray
:
3464 spv_check_supported(image_ms_array
, cap
);
3467 case SpvCapabilityTessellation
:
3468 case SpvCapabilityTessellationPointSize
:
3469 spv_check_supported(tessellation
, cap
);
3472 case SpvCapabilityDrawParameters
:
3473 spv_check_supported(draw_parameters
, cap
);
3476 case SpvCapabilityStorageImageReadWithoutFormat
:
3477 spv_check_supported(image_read_without_format
, cap
);
3480 case SpvCapabilityStorageImageWriteWithoutFormat
:
3481 spv_check_supported(image_write_without_format
, cap
);
3484 case SpvCapabilityDeviceGroup
:
3485 spv_check_supported(device_group
, cap
);
3488 case SpvCapabilityMultiView
:
3489 spv_check_supported(multiview
, cap
);
3492 case SpvCapabilityGroupNonUniform
:
3493 spv_check_supported(subgroup_basic
, cap
);
3496 case SpvCapabilityGroupNonUniformVote
:
3497 spv_check_supported(subgroup_vote
, cap
);
3500 case SpvCapabilitySubgroupBallotKHR
:
3501 case SpvCapabilityGroupNonUniformBallot
:
3502 spv_check_supported(subgroup_ballot
, cap
);
3505 case SpvCapabilityGroupNonUniformShuffle
:
3506 case SpvCapabilityGroupNonUniformShuffleRelative
:
3507 spv_check_supported(subgroup_shuffle
, cap
);
3510 case SpvCapabilityGroupNonUniformQuad
:
3511 spv_check_supported(subgroup_quad
, cap
);
3514 case SpvCapabilityGroupNonUniformArithmetic
:
3515 case SpvCapabilityGroupNonUniformClustered
:
3516 spv_check_supported(subgroup_arithmetic
, cap
);
3519 case SpvCapabilityVariablePointersStorageBuffer
:
3520 case SpvCapabilityVariablePointers
:
3521 spv_check_supported(variable_pointers
, cap
);
3524 case SpvCapabilityStorageUniformBufferBlock16
:
3525 case SpvCapabilityStorageUniform16
:
3526 case SpvCapabilityStoragePushConstant16
:
3527 case SpvCapabilityStorageInputOutput16
:
3528 spv_check_supported(storage_16bit
, cap
);
3531 case SpvCapabilityShaderViewportIndexLayerEXT
:
3532 spv_check_supported(shader_viewport_index_layer
, cap
);
3535 case SpvCapabilityStorageBuffer8BitAccess
:
3536 case SpvCapabilityUniformAndStorageBuffer8BitAccess
:
3537 case SpvCapabilityStoragePushConstant8
:
3538 spv_check_supported(storage_8bit
, cap
);
3541 case SpvCapabilityInputAttachmentArrayDynamicIndexingEXT
:
3542 case SpvCapabilityUniformTexelBufferArrayDynamicIndexingEXT
:
3543 case SpvCapabilityStorageTexelBufferArrayDynamicIndexingEXT
:
3544 spv_check_supported(descriptor_array_dynamic_indexing
, cap
);
3547 case SpvCapabilityRuntimeDescriptorArrayEXT
:
3548 spv_check_supported(runtime_descriptor_array
, cap
);
3551 case SpvCapabilityStencilExportEXT
:
3552 spv_check_supported(stencil_export
, cap
);
3555 case SpvCapabilitySampleMaskPostDepthCoverage
:
3556 spv_check_supported(post_depth_coverage
, cap
);
3560 vtn_fail("Unhandled capability");
3565 case SpvOpExtInstImport
:
3566 vtn_handle_extension(b
, opcode
, w
, count
);
3569 case SpvOpMemoryModel
:
3570 vtn_assert(w
[1] == SpvAddressingModelLogical
);
3571 vtn_assert(w
[2] == SpvMemoryModelSimple
||
3572 w
[2] == SpvMemoryModelGLSL450
);
3575 case SpvOpEntryPoint
:
3576 vtn_handle_entry_point(b
, w
, count
);
3580 vtn_push_value(b
, w
[1], vtn_value_type_string
)->str
=
3581 vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3585 b
->values
[w
[1]].name
= vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
3588 case SpvOpMemberName
:
3592 case SpvOpExecutionMode
:
3593 case SpvOpDecorationGroup
:
3595 case SpvOpMemberDecorate
:
3596 case SpvOpGroupDecorate
:
3597 case SpvOpGroupMemberDecorate
:
3598 case SpvOpDecorateStringGOOGLE
:
3599 case SpvOpMemberDecorateStringGOOGLE
:
3600 vtn_handle_decoration(b
, opcode
, w
, count
);
3604 return false; /* End of preamble */
3611 vtn_handle_execution_mode(struct vtn_builder
*b
, struct vtn_value
*entry_point
,
3612 const struct vtn_decoration
*mode
, void *data
)
3614 vtn_assert(b
->entry_point
== entry_point
);
3616 switch(mode
->exec_mode
) {
3617 case SpvExecutionModeOriginUpperLeft
:
3618 case SpvExecutionModeOriginLowerLeft
:
3619 b
->origin_upper_left
=
3620 (mode
->exec_mode
== SpvExecutionModeOriginUpperLeft
);
3623 case SpvExecutionModeEarlyFragmentTests
:
3624 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3625 b
->shader
->info
.fs
.early_fragment_tests
= true;
3628 case SpvExecutionModePostDepthCoverage
:
3629 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3630 b
->shader
->info
.fs
.post_depth_coverage
= true;
3633 case SpvExecutionModeInvocations
:
3634 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3635 b
->shader
->info
.gs
.invocations
= MAX2(1, mode
->literals
[0]);
3638 case SpvExecutionModeDepthReplacing
:
3639 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3640 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_ANY
;
3642 case SpvExecutionModeDepthGreater
:
3643 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3644 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_GREATER
;
3646 case SpvExecutionModeDepthLess
:
3647 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3648 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_LESS
;
3650 case SpvExecutionModeDepthUnchanged
:
3651 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3652 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_UNCHANGED
;
3655 case SpvExecutionModeLocalSize
:
3656 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_COMPUTE
);
3657 b
->shader
->info
.cs
.local_size
[0] = mode
->literals
[0];
3658 b
->shader
->info
.cs
.local_size
[1] = mode
->literals
[1];
3659 b
->shader
->info
.cs
.local_size
[2] = mode
->literals
[2];
3661 case SpvExecutionModeLocalSizeHint
:
3662 break; /* Nothing to do with this */
3664 case SpvExecutionModeOutputVertices
:
3665 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3666 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3667 b
->shader
->info
.tess
.tcs_vertices_out
= mode
->literals
[0];
3669 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3670 b
->shader
->info
.gs
.vertices_out
= mode
->literals
[0];
3674 case SpvExecutionModeInputPoints
:
3675 case SpvExecutionModeInputLines
:
3676 case SpvExecutionModeInputLinesAdjacency
:
3677 case SpvExecutionModeTriangles
:
3678 case SpvExecutionModeInputTrianglesAdjacency
:
3679 case SpvExecutionModeQuads
:
3680 case SpvExecutionModeIsolines
:
3681 if (b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3682 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
) {
3683 b
->shader
->info
.tess
.primitive_mode
=
3684 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3686 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3687 b
->shader
->info
.gs
.vertices_in
=
3688 vertices_in_from_spv_execution_mode(b
, mode
->exec_mode
);
3689 b
->shader
->info
.gs
.input_primitive
=
3690 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3694 case SpvExecutionModeOutputPoints
:
3695 case SpvExecutionModeOutputLineStrip
:
3696 case SpvExecutionModeOutputTriangleStrip
:
3697 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
);
3698 b
->shader
->info
.gs
.output_primitive
=
3699 gl_primitive_from_spv_execution_mode(b
, mode
->exec_mode
);
3702 case SpvExecutionModeSpacingEqual
:
3703 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3704 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3705 b
->shader
->info
.tess
.spacing
= TESS_SPACING_EQUAL
;
3707 case SpvExecutionModeSpacingFractionalEven
:
3708 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3709 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3710 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_EVEN
;
3712 case SpvExecutionModeSpacingFractionalOdd
:
3713 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3714 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3715 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_ODD
;
3717 case SpvExecutionModeVertexOrderCw
:
3718 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3719 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3720 b
->shader
->info
.tess
.ccw
= false;
3722 case SpvExecutionModeVertexOrderCcw
:
3723 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3724 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3725 b
->shader
->info
.tess
.ccw
= true;
3727 case SpvExecutionModePointMode
:
3728 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
||
3729 b
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
);
3730 b
->shader
->info
.tess
.point_mode
= true;
3733 case SpvExecutionModePixelCenterInteger
:
3734 b
->pixel_center_integer
= true;
3737 case SpvExecutionModeXfb
:
3738 b
->shader
->info
.has_transform_feedback_varyings
= true;
3741 case SpvExecutionModeVecTypeHint
:
3742 case SpvExecutionModeContractionOff
:
3745 case SpvExecutionModeStencilRefReplacingEXT
:
3746 vtn_assert(b
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
);
3750 vtn_fail("Unhandled execution mode");
3755 vtn_handle_variable_or_type_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3756 const uint32_t *w
, unsigned count
)
3758 vtn_set_instruction_result_type(b
, opcode
, w
, count
);
3762 case SpvOpSourceContinued
:
3763 case SpvOpSourceExtension
:
3764 case SpvOpExtension
:
3765 case SpvOpCapability
:
3766 case SpvOpExtInstImport
:
3767 case SpvOpMemoryModel
:
3768 case SpvOpEntryPoint
:
3769 case SpvOpExecutionMode
:
3772 case SpvOpMemberName
:
3773 case SpvOpDecorationGroup
:
3775 case SpvOpMemberDecorate
:
3776 case SpvOpGroupDecorate
:
3777 case SpvOpGroupMemberDecorate
:
3778 case SpvOpDecorateStringGOOGLE
:
3779 case SpvOpMemberDecorateStringGOOGLE
:
3780 vtn_fail("Invalid opcode types and variables section");
3786 case SpvOpTypeFloat
:
3787 case SpvOpTypeVector
:
3788 case SpvOpTypeMatrix
:
3789 case SpvOpTypeImage
:
3790 case SpvOpTypeSampler
:
3791 case SpvOpTypeSampledImage
:
3792 case SpvOpTypeArray
:
3793 case SpvOpTypeRuntimeArray
:
3794 case SpvOpTypeStruct
:
3795 case SpvOpTypeOpaque
:
3796 case SpvOpTypePointer
:
3797 case SpvOpTypeFunction
:
3798 case SpvOpTypeEvent
:
3799 case SpvOpTypeDeviceEvent
:
3800 case SpvOpTypeReserveId
:
3801 case SpvOpTypeQueue
:
3803 vtn_handle_type(b
, opcode
, w
, count
);
3806 case SpvOpConstantTrue
:
3807 case SpvOpConstantFalse
:
3809 case SpvOpConstantComposite
:
3810 case SpvOpConstantSampler
:
3811 case SpvOpConstantNull
:
3812 case SpvOpSpecConstantTrue
:
3813 case SpvOpSpecConstantFalse
:
3814 case SpvOpSpecConstant
:
3815 case SpvOpSpecConstantComposite
:
3816 case SpvOpSpecConstantOp
:
3817 vtn_handle_constant(b
, opcode
, w
, count
);
3822 vtn_handle_variables(b
, opcode
, w
, count
);
3826 return false; /* End of preamble */
3833 vtn_handle_body_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3834 const uint32_t *w
, unsigned count
)
3840 case SpvOpLoopMerge
:
3841 case SpvOpSelectionMerge
:
3842 /* This is handled by cfg pre-pass and walk_blocks */
3846 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_undef
);
3847 val
->type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
3852 vtn_handle_extension(b
, opcode
, w
, count
);
3858 case SpvOpCopyMemory
:
3859 case SpvOpCopyMemorySized
:
3860 case SpvOpAccessChain
:
3861 case SpvOpPtrAccessChain
:
3862 case SpvOpInBoundsAccessChain
:
3863 case SpvOpArrayLength
:
3864 vtn_handle_variables(b
, opcode
, w
, count
);
3867 case SpvOpFunctionCall
:
3868 vtn_handle_function_call(b
, opcode
, w
, count
);
3871 case SpvOpSampledImage
:
3873 case SpvOpImageSampleImplicitLod
:
3874 case SpvOpImageSampleExplicitLod
:
3875 case SpvOpImageSampleDrefImplicitLod
:
3876 case SpvOpImageSampleDrefExplicitLod
:
3877 case SpvOpImageSampleProjImplicitLod
:
3878 case SpvOpImageSampleProjExplicitLod
:
3879 case SpvOpImageSampleProjDrefImplicitLod
:
3880 case SpvOpImageSampleProjDrefExplicitLod
:
3881 case SpvOpImageFetch
:
3882 case SpvOpImageGather
:
3883 case SpvOpImageDrefGather
:
3884 case SpvOpImageQuerySizeLod
:
3885 case SpvOpImageQueryLod
:
3886 case SpvOpImageQueryLevels
:
3887 case SpvOpImageQuerySamples
:
3888 vtn_handle_texture(b
, opcode
, w
, count
);
3891 case SpvOpImageRead
:
3892 case SpvOpImageWrite
:
3893 case SpvOpImageTexelPointer
:
3894 vtn_handle_image(b
, opcode
, w
, count
);
3897 case SpvOpImageQuerySize
: {
3898 struct vtn_pointer
*image
=
3899 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
3900 if (glsl_type_is_image(image
->type
->type
)) {
3901 vtn_handle_image(b
, opcode
, w
, count
);
3903 vtn_assert(glsl_type_is_sampler(image
->type
->type
));
3904 vtn_handle_texture(b
, opcode
, w
, count
);
3909 case SpvOpAtomicLoad
:
3910 case SpvOpAtomicExchange
:
3911 case SpvOpAtomicCompareExchange
:
3912 case SpvOpAtomicCompareExchangeWeak
:
3913 case SpvOpAtomicIIncrement
:
3914 case SpvOpAtomicIDecrement
:
3915 case SpvOpAtomicIAdd
:
3916 case SpvOpAtomicISub
:
3917 case SpvOpAtomicSMin
:
3918 case SpvOpAtomicUMin
:
3919 case SpvOpAtomicSMax
:
3920 case SpvOpAtomicUMax
:
3921 case SpvOpAtomicAnd
:
3923 case SpvOpAtomicXor
: {
3924 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[3]);
3925 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
3926 vtn_handle_image(b
, opcode
, w
, count
);
3928 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
3929 vtn_handle_atomics(b
, opcode
, w
, count
);
3934 case SpvOpAtomicStore
: {
3935 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[1]);
3936 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
3937 vtn_handle_image(b
, opcode
, w
, count
);
3939 vtn_assert(pointer
->value_type
== vtn_value_type_pointer
);
3940 vtn_handle_atomics(b
, opcode
, w
, count
);
3946 /* Handle OpSelect up-front here because it needs to be able to handle
3947 * pointers and not just regular vectors and scalars.
3949 struct vtn_value
*res_val
= vtn_untyped_value(b
, w
[2]);
3950 struct vtn_value
*sel_val
= vtn_untyped_value(b
, w
[3]);
3951 struct vtn_value
*obj1_val
= vtn_untyped_value(b
, w
[4]);
3952 struct vtn_value
*obj2_val
= vtn_untyped_value(b
, w
[5]);
3954 const struct glsl_type
*sel_type
;
3955 switch (res_val
->type
->base_type
) {
3956 case vtn_base_type_scalar
:
3957 sel_type
= glsl_bool_type();
3959 case vtn_base_type_vector
:
3960 sel_type
= glsl_vector_type(GLSL_TYPE_BOOL
, res_val
->type
->length
);
3962 case vtn_base_type_pointer
:
3963 /* We need to have actual storage for pointer types */
3964 vtn_fail_if(res_val
->type
->type
== NULL
,
3965 "Invalid pointer result type for OpSelect");
3966 sel_type
= glsl_bool_type();
3969 vtn_fail("Result type of OpSelect must be a scalar, vector, or pointer");
3972 if (unlikely(sel_val
->type
->type
!= sel_type
)) {
3973 if (sel_val
->type
->type
== glsl_bool_type()) {
3974 /* This case is illegal but some older versions of GLSLang produce
3975 * it. The GLSLang issue was fixed on March 30, 2017:
3977 * https://github.com/KhronosGroup/glslang/issues/809
3979 * Unfortunately, there are applications in the wild which are
3980 * shipping with this bug so it isn't nice to fail on them so we
3981 * throw a warning instead. It's not actually a problem for us as
3982 * nir_builder will just splat the condition out which is most
3983 * likely what the client wanted anyway.
3985 vtn_warn("Condition type of OpSelect must have the same number "
3986 "of components as Result Type");
3988 vtn_fail("Condition type of OpSelect must be a scalar or vector "
3989 "of Boolean type. It must have the same number of "
3990 "components as Result Type");
3994 vtn_fail_if(obj1_val
->type
!= res_val
->type
||
3995 obj2_val
->type
!= res_val
->type
,
3996 "Object types must match the result type in OpSelect");
3998 struct vtn_type
*res_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
3999 struct vtn_ssa_value
*ssa
= vtn_create_ssa_value(b
, res_type
->type
);
4000 ssa
->def
= nir_bcsel(&b
->nb
, vtn_ssa_value(b
, w
[3])->def
,
4001 vtn_ssa_value(b
, w
[4])->def
,
4002 vtn_ssa_value(b
, w
[5])->def
);
4003 vtn_push_ssa(b
, w
[2], res_type
, ssa
);
4012 case SpvOpConvertFToU
:
4013 case SpvOpConvertFToS
:
4014 case SpvOpConvertSToF
:
4015 case SpvOpConvertUToF
:
4019 case SpvOpQuantizeToF16
:
4020 case SpvOpConvertPtrToU
:
4021 case SpvOpConvertUToPtr
:
4022 case SpvOpPtrCastToGeneric
:
4023 case SpvOpGenericCastToPtr
:
4029 case SpvOpSignBitSet
:
4030 case SpvOpLessOrGreater
:
4032 case SpvOpUnordered
:
4047 case SpvOpVectorTimesScalar
:
4049 case SpvOpIAddCarry
:
4050 case SpvOpISubBorrow
:
4051 case SpvOpUMulExtended
:
4052 case SpvOpSMulExtended
:
4053 case SpvOpShiftRightLogical
:
4054 case SpvOpShiftRightArithmetic
:
4055 case SpvOpShiftLeftLogical
:
4056 case SpvOpLogicalEqual
:
4057 case SpvOpLogicalNotEqual
:
4058 case SpvOpLogicalOr
:
4059 case SpvOpLogicalAnd
:
4060 case SpvOpLogicalNot
:
4061 case SpvOpBitwiseOr
:
4062 case SpvOpBitwiseXor
:
4063 case SpvOpBitwiseAnd
:
4065 case SpvOpFOrdEqual
:
4066 case SpvOpFUnordEqual
:
4067 case SpvOpINotEqual
:
4068 case SpvOpFOrdNotEqual
:
4069 case SpvOpFUnordNotEqual
:
4070 case SpvOpULessThan
:
4071 case SpvOpSLessThan
:
4072 case SpvOpFOrdLessThan
:
4073 case SpvOpFUnordLessThan
:
4074 case SpvOpUGreaterThan
:
4075 case SpvOpSGreaterThan
:
4076 case SpvOpFOrdGreaterThan
:
4077 case SpvOpFUnordGreaterThan
:
4078 case SpvOpULessThanEqual
:
4079 case SpvOpSLessThanEqual
:
4080 case SpvOpFOrdLessThanEqual
:
4081 case SpvOpFUnordLessThanEqual
:
4082 case SpvOpUGreaterThanEqual
:
4083 case SpvOpSGreaterThanEqual
:
4084 case SpvOpFOrdGreaterThanEqual
:
4085 case SpvOpFUnordGreaterThanEqual
:
4091 case SpvOpFwidthFine
:
4092 case SpvOpDPdxCoarse
:
4093 case SpvOpDPdyCoarse
:
4094 case SpvOpFwidthCoarse
:
4095 case SpvOpBitFieldInsert
:
4096 case SpvOpBitFieldSExtract
:
4097 case SpvOpBitFieldUExtract
:
4098 case SpvOpBitReverse
:
4100 case SpvOpTranspose
:
4101 case SpvOpOuterProduct
:
4102 case SpvOpMatrixTimesScalar
:
4103 case SpvOpVectorTimesMatrix
:
4104 case SpvOpMatrixTimesVector
:
4105 case SpvOpMatrixTimesMatrix
:
4106 vtn_handle_alu(b
, opcode
, w
, count
);
4109 case SpvOpVectorExtractDynamic
:
4110 case SpvOpVectorInsertDynamic
:
4111 case SpvOpVectorShuffle
:
4112 case SpvOpCompositeConstruct
:
4113 case SpvOpCompositeExtract
:
4114 case SpvOpCompositeInsert
:
4115 case SpvOpCopyObject
:
4116 vtn_handle_composite(b
, opcode
, w
, count
);
4119 case SpvOpEmitVertex
:
4120 case SpvOpEndPrimitive
:
4121 case SpvOpEmitStreamVertex
:
4122 case SpvOpEndStreamPrimitive
:
4123 case SpvOpControlBarrier
:
4124 case SpvOpMemoryBarrier
:
4125 vtn_handle_barrier(b
, opcode
, w
, count
);
4128 case SpvOpGroupNonUniformElect
:
4129 case SpvOpGroupNonUniformAll
:
4130 case SpvOpGroupNonUniformAny
:
4131 case SpvOpGroupNonUniformAllEqual
:
4132 case SpvOpGroupNonUniformBroadcast
:
4133 case SpvOpGroupNonUniformBroadcastFirst
:
4134 case SpvOpGroupNonUniformBallot
:
4135 case SpvOpGroupNonUniformInverseBallot
:
4136 case SpvOpGroupNonUniformBallotBitExtract
:
4137 case SpvOpGroupNonUniformBallotBitCount
:
4138 case SpvOpGroupNonUniformBallotFindLSB
:
4139 case SpvOpGroupNonUniformBallotFindMSB
:
4140 case SpvOpGroupNonUniformShuffle
:
4141 case SpvOpGroupNonUniformShuffleXor
:
4142 case SpvOpGroupNonUniformShuffleUp
:
4143 case SpvOpGroupNonUniformShuffleDown
:
4144 case SpvOpGroupNonUniformIAdd
:
4145 case SpvOpGroupNonUniformFAdd
:
4146 case SpvOpGroupNonUniformIMul
:
4147 case SpvOpGroupNonUniformFMul
:
4148 case SpvOpGroupNonUniformSMin
:
4149 case SpvOpGroupNonUniformUMin
:
4150 case SpvOpGroupNonUniformFMin
:
4151 case SpvOpGroupNonUniformSMax
:
4152 case SpvOpGroupNonUniformUMax
:
4153 case SpvOpGroupNonUniformFMax
:
4154 case SpvOpGroupNonUniformBitwiseAnd
:
4155 case SpvOpGroupNonUniformBitwiseOr
:
4156 case SpvOpGroupNonUniformBitwiseXor
:
4157 case SpvOpGroupNonUniformLogicalAnd
:
4158 case SpvOpGroupNonUniformLogicalOr
:
4159 case SpvOpGroupNonUniformLogicalXor
:
4160 case SpvOpGroupNonUniformQuadBroadcast
:
4161 case SpvOpGroupNonUniformQuadSwap
:
4162 vtn_handle_subgroup(b
, opcode
, w
, count
);
4166 vtn_fail("Unhandled opcode");
4173 vtn_create_builder(const uint32_t *words
, size_t word_count
,
4174 gl_shader_stage stage
, const char *entry_point_name
,
4175 const struct spirv_to_nir_options
*options
)
4177 /* Initialize the vtn_builder object */
4178 struct vtn_builder
*b
= rzalloc(NULL
, struct vtn_builder
);
4180 b
->spirv_word_count
= word_count
;
4184 exec_list_make_empty(&b
->functions
);
4185 b
->entry_point_stage
= stage
;
4186 b
->entry_point_name
= entry_point_name
;
4187 b
->options
= options
;
4190 * Handle the SPIR-V header (first 5 dwords).
4191 * Can't use vtx_assert() as the setjmp(3) target isn't initialized yet.
4193 if (word_count
<= 5)
4196 if (words
[0] != SpvMagicNumber
) {
4197 vtn_err("words[0] was 0x%x, want 0x%x", words
[0], SpvMagicNumber
);
4200 if (words
[1] < 0x10000) {
4201 vtn_err("words[1] was 0x%x, want >= 0x10000", words
[1]);
4205 /* words[2] == generator magic */
4206 unsigned value_id_bound
= words
[3];
4207 if (words
[4] != 0) {
4208 vtn_err("words[4] was %u, want 0", words
[4]);
4212 b
->value_id_bound
= value_id_bound
;
4213 b
->values
= rzalloc_array(b
, struct vtn_value
, value_id_bound
);
4222 spirv_to_nir(const uint32_t *words
, size_t word_count
,
4223 struct nir_spirv_specialization
*spec
, unsigned num_spec
,
4224 gl_shader_stage stage
, const char *entry_point_name
,
4225 const struct spirv_to_nir_options
*options
,
4226 const nir_shader_compiler_options
*nir_options
)
4229 const uint32_t *word_end
= words
+ word_count
;
4231 struct vtn_builder
*b
= vtn_create_builder(words
, word_count
,
4232 stage
, entry_point_name
,
4238 /* See also _vtn_fail() */
4239 if (setjmp(b
->fail_jump
)) {
4244 /* Skip the SPIR-V header, handled at vtn_create_builder */
4247 /* Handle all the preamble instructions */
4248 words
= vtn_foreach_instruction(b
, words
, word_end
,
4249 vtn_handle_preamble_instruction
);
4251 if (b
->entry_point
== NULL
) {
4252 vtn_fail("Entry point not found");
4257 b
->shader
= nir_shader_create(b
, stage
, nir_options
, NULL
);
4259 /* Set shader info defaults */
4260 b
->shader
->info
.gs
.invocations
= 1;
4262 /* Parse execution modes */
4263 vtn_foreach_execution_mode(b
, b
->entry_point
,
4264 vtn_handle_execution_mode
, NULL
);
4266 b
->specializations
= spec
;
4267 b
->num_specializations
= num_spec
;
4269 /* Handle all variable, type, and constant instructions */
4270 words
= vtn_foreach_instruction(b
, words
, word_end
,
4271 vtn_handle_variable_or_type_instruction
);
4273 /* Set types on all vtn_values */
4274 vtn_foreach_instruction(b
, words
, word_end
, vtn_set_instruction_result_type
);
4276 vtn_build_cfg(b
, words
, word_end
);
4278 assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4279 b
->entry_point
->func
->referenced
= true;
4284 foreach_list_typed(struct vtn_function
, func
, node
, &b
->functions
) {
4285 if (func
->referenced
&& !func
->emitted
) {
4286 b
->const_table
= _mesa_hash_table_create(b
, _mesa_hash_pointer
,
4287 _mesa_key_pointer_equal
);
4289 vtn_function_emit(b
, func
, vtn_handle_body_instruction
);
4295 /* We sometimes generate bogus derefs that, while never used, give the
4296 * validator a bit of heartburn. Run dead code to get rid of them.
4298 nir_opt_dce(b
->shader
);
4300 vtn_assert(b
->entry_point
->value_type
== vtn_value_type_function
);
4301 nir_function
*entry_point
= b
->entry_point
->func
->impl
->function
;
4302 vtn_assert(entry_point
);
4304 /* Unparent the shader from the vtn_builder before we delete the builder */
4305 ralloc_steal(NULL
, b
->shader
);