2 * Copyright © 2015 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * Jason Ekstrand (jason@jlekstrand.net)
28 #include "vtn_private.h"
29 #include "nir/nir_vla.h"
30 #include "nir/nir_control_flow.h"
31 #include "nir/nir_constant_expressions.h"
32 #include "spirv_info.h"
34 struct spec_constant_value
{
43 _vtn_warn(const char *file
, int line
, const char *msg
, ...)
49 formatted
= ralloc_vasprintf(NULL
, msg
, args
);
52 fprintf(stderr
, "%s:%d WARNING: %s\n", file
, line
, formatted
);
54 ralloc_free(formatted
);
57 static struct vtn_ssa_value
*
58 vtn_undef_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
60 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
63 if (glsl_type_is_vector_or_scalar(type
)) {
64 unsigned num_components
= glsl_get_vector_elements(val
->type
);
65 unsigned bit_size
= glsl_get_bit_size(val
->type
);
66 val
->def
= nir_ssa_undef(&b
->nb
, num_components
, bit_size
);
68 unsigned elems
= glsl_get_length(val
->type
);
69 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
70 if (glsl_type_is_matrix(type
)) {
71 const struct glsl_type
*elem_type
=
72 glsl_vector_type(glsl_get_base_type(type
),
73 glsl_get_vector_elements(type
));
75 for (unsigned i
= 0; i
< elems
; i
++)
76 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
77 } else if (glsl_type_is_array(type
)) {
78 const struct glsl_type
*elem_type
= glsl_get_array_element(type
);
79 for (unsigned i
= 0; i
< elems
; i
++)
80 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
82 for (unsigned i
= 0; i
< elems
; i
++) {
83 const struct glsl_type
*elem_type
= glsl_get_struct_field(type
, i
);
84 val
->elems
[i
] = vtn_undef_ssa_value(b
, elem_type
);
92 static struct vtn_ssa_value
*
93 vtn_const_ssa_value(struct vtn_builder
*b
, nir_constant
*constant
,
94 const struct glsl_type
*type
)
96 struct hash_entry
*entry
= _mesa_hash_table_search(b
->const_table
, constant
);
101 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
104 switch (glsl_get_base_type(type
)) {
107 case GLSL_TYPE_INT64
:
108 case GLSL_TYPE_UINT64
:
110 case GLSL_TYPE_FLOAT
:
111 case GLSL_TYPE_DOUBLE
: {
112 int bit_size
= glsl_get_bit_size(type
);
113 if (glsl_type_is_vector_or_scalar(type
)) {
114 unsigned num_components
= glsl_get_vector_elements(val
->type
);
115 nir_load_const_instr
*load
=
116 nir_load_const_instr_create(b
->shader
, num_components
, bit_size
);
118 load
->value
= constant
->values
[0];
120 nir_instr_insert_before_cf_list(&b
->impl
->body
, &load
->instr
);
121 val
->def
= &load
->def
;
123 assert(glsl_type_is_matrix(type
));
124 unsigned rows
= glsl_get_vector_elements(val
->type
);
125 unsigned columns
= glsl_get_matrix_columns(val
->type
);
126 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, columns
);
128 for (unsigned i
= 0; i
< columns
; i
++) {
129 struct vtn_ssa_value
*col_val
= rzalloc(b
, struct vtn_ssa_value
);
130 col_val
->type
= glsl_get_column_type(val
->type
);
131 nir_load_const_instr
*load
=
132 nir_load_const_instr_create(b
->shader
, rows
, bit_size
);
134 load
->value
= constant
->values
[i
];
136 nir_instr_insert_before_cf_list(&b
->impl
->body
, &load
->instr
);
137 col_val
->def
= &load
->def
;
139 val
->elems
[i
] = col_val
;
145 case GLSL_TYPE_ARRAY
: {
146 unsigned elems
= glsl_get_length(val
->type
);
147 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
148 const struct glsl_type
*elem_type
= glsl_get_array_element(val
->type
);
149 for (unsigned i
= 0; i
< elems
; i
++)
150 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
155 case GLSL_TYPE_STRUCT
: {
156 unsigned elems
= glsl_get_length(val
->type
);
157 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
158 for (unsigned i
= 0; i
< elems
; i
++) {
159 const struct glsl_type
*elem_type
=
160 glsl_get_struct_field(val
->type
, i
);
161 val
->elems
[i
] = vtn_const_ssa_value(b
, constant
->elements
[i
],
168 unreachable("bad constant type");
174 struct vtn_ssa_value
*
175 vtn_ssa_value(struct vtn_builder
*b
, uint32_t value_id
)
177 struct vtn_value
*val
= vtn_untyped_value(b
, value_id
);
178 switch (val
->value_type
) {
179 case vtn_value_type_undef
:
180 return vtn_undef_ssa_value(b
, val
->type
->type
);
182 case vtn_value_type_constant
:
183 return vtn_const_ssa_value(b
, val
->constant
, val
->const_type
);
185 case vtn_value_type_ssa
:
189 unreachable("Invalid type for an SSA value");
194 vtn_string_literal(struct vtn_builder
*b
, const uint32_t *words
,
195 unsigned word_count
, unsigned *words_used
)
197 char *dup
= ralloc_strndup(b
, (char *)words
, word_count
* sizeof(*words
));
199 /* Ammount of space taken by the string (including the null) */
200 unsigned len
= strlen(dup
) + 1;
201 *words_used
= DIV_ROUND_UP(len
, sizeof(*words
));
207 vtn_foreach_instruction(struct vtn_builder
*b
, const uint32_t *start
,
208 const uint32_t *end
, vtn_instruction_handler handler
)
214 const uint32_t *w
= start
;
216 SpvOp opcode
= w
[0] & SpvOpCodeMask
;
217 unsigned count
= w
[0] >> SpvWordCountShift
;
218 assert(count
>= 1 && w
+ count
<= end
);
222 break; /* Do nothing */
225 b
->file
= vtn_value(b
, w
[1], vtn_value_type_string
)->str
;
237 if (!handler(b
, opcode
, w
, count
))
249 vtn_handle_extension(struct vtn_builder
*b
, SpvOp opcode
,
250 const uint32_t *w
, unsigned count
)
253 case SpvOpExtInstImport
: {
254 struct vtn_value
*val
= vtn_push_value(b
, w
[1], vtn_value_type_extension
);
255 if (strcmp((const char *)&w
[2], "GLSL.std.450") == 0) {
256 val
->ext_handler
= vtn_handle_glsl450_instruction
;
258 assert(!"Unsupported extension");
264 struct vtn_value
*val
= vtn_value(b
, w
[3], vtn_value_type_extension
);
265 bool handled
= val
->ext_handler(b
, w
[4], w
, count
);
272 unreachable("Unhandled opcode");
277 _foreach_decoration_helper(struct vtn_builder
*b
,
278 struct vtn_value
*base_value
,
280 struct vtn_value
*value
,
281 vtn_decoration_foreach_cb cb
, void *data
)
283 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
285 if (dec
->scope
== VTN_DEC_DECORATION
) {
286 member
= parent_member
;
287 } else if (dec
->scope
>= VTN_DEC_STRUCT_MEMBER0
) {
288 assert(parent_member
== -1);
289 member
= dec
->scope
- VTN_DEC_STRUCT_MEMBER0
;
291 /* Not a decoration */
296 assert(dec
->group
->value_type
== vtn_value_type_decoration_group
);
297 _foreach_decoration_helper(b
, base_value
, member
, dec
->group
,
300 cb(b
, base_value
, member
, dec
, data
);
305 /** Iterates (recursively if needed) over all of the decorations on a value
307 * This function iterates over all of the decorations applied to a given
308 * value. If it encounters a decoration group, it recurses into the group
309 * and iterates over all of those decorations as well.
312 vtn_foreach_decoration(struct vtn_builder
*b
, struct vtn_value
*value
,
313 vtn_decoration_foreach_cb cb
, void *data
)
315 _foreach_decoration_helper(b
, value
, -1, value
, cb
, data
);
319 vtn_foreach_execution_mode(struct vtn_builder
*b
, struct vtn_value
*value
,
320 vtn_execution_mode_foreach_cb cb
, void *data
)
322 for (struct vtn_decoration
*dec
= value
->decoration
; dec
; dec
= dec
->next
) {
323 if (dec
->scope
!= VTN_DEC_EXECUTION_MODE
)
326 assert(dec
->group
== NULL
);
327 cb(b
, value
, dec
, data
);
332 vtn_handle_decoration(struct vtn_builder
*b
, SpvOp opcode
,
333 const uint32_t *w
, unsigned count
)
335 const uint32_t *w_end
= w
+ count
;
336 const uint32_t target
= w
[1];
340 case SpvOpDecorationGroup
:
341 vtn_push_value(b
, target
, vtn_value_type_decoration_group
);
345 case SpvOpMemberDecorate
:
346 case SpvOpExecutionMode
: {
347 struct vtn_value
*val
= &b
->values
[target
];
349 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
352 dec
->scope
= VTN_DEC_DECORATION
;
354 case SpvOpMemberDecorate
:
355 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(w
++);
357 case SpvOpExecutionMode
:
358 dec
->scope
= VTN_DEC_EXECUTION_MODE
;
361 unreachable("Invalid decoration opcode");
363 dec
->decoration
= *(w
++);
366 /* Link into the list */
367 dec
->next
= val
->decoration
;
368 val
->decoration
= dec
;
372 case SpvOpGroupMemberDecorate
:
373 case SpvOpGroupDecorate
: {
374 struct vtn_value
*group
=
375 vtn_value(b
, target
, vtn_value_type_decoration_group
);
377 for (; w
< w_end
; w
++) {
378 struct vtn_value
*val
= vtn_untyped_value(b
, *w
);
379 struct vtn_decoration
*dec
= rzalloc(b
, struct vtn_decoration
);
382 if (opcode
== SpvOpGroupDecorate
) {
383 dec
->scope
= VTN_DEC_DECORATION
;
385 dec
->scope
= VTN_DEC_STRUCT_MEMBER0
+ *(++w
);
388 /* Link into the list */
389 dec
->next
= val
->decoration
;
390 val
->decoration
= dec
;
396 unreachable("Unhandled opcode");
400 struct member_decoration_ctx
{
402 struct glsl_struct_field
*fields
;
403 struct vtn_type
*type
;
406 /* does a shallow copy of a vtn_type */
408 static struct vtn_type
*
409 vtn_type_copy(struct vtn_builder
*b
, struct vtn_type
*src
)
411 struct vtn_type
*dest
= ralloc(b
, struct vtn_type
);
414 switch (src
->base_type
) {
415 case vtn_base_type_void
:
416 case vtn_base_type_scalar
:
417 case vtn_base_type_vector
:
418 case vtn_base_type_matrix
:
419 case vtn_base_type_array
:
420 case vtn_base_type_pointer
:
421 case vtn_base_type_image
:
422 case vtn_base_type_sampler
:
423 /* Nothing more to do */
426 case vtn_base_type_struct
:
427 dest
->members
= ralloc_array(b
, struct vtn_type
*, src
->length
);
428 memcpy(dest
->members
, src
->members
,
429 src
->length
* sizeof(src
->members
[0]));
431 dest
->offsets
= ralloc_array(b
, unsigned, src
->length
);
432 memcpy(dest
->offsets
, src
->offsets
,
433 src
->length
* sizeof(src
->offsets
[0]));
436 case vtn_base_type_function
:
437 dest
->params
= ralloc_array(b
, struct vtn_type
*, src
->length
);
438 memcpy(dest
->params
, src
->params
, src
->length
* sizeof(src
->params
[0]));
445 static struct vtn_type
*
446 mutable_matrix_member(struct vtn_builder
*b
, struct vtn_type
*type
, int member
)
448 type
->members
[member
] = vtn_type_copy(b
, type
->members
[member
]);
449 type
= type
->members
[member
];
451 /* We may have an array of matrices.... Oh, joy! */
452 while (glsl_type_is_array(type
->type
)) {
453 type
->array_element
= vtn_type_copy(b
, type
->array_element
);
454 type
= type
->array_element
;
457 assert(glsl_type_is_matrix(type
->type
));
463 struct_member_decoration_cb(struct vtn_builder
*b
,
464 struct vtn_value
*val
, int member
,
465 const struct vtn_decoration
*dec
, void *void_ctx
)
467 struct member_decoration_ctx
*ctx
= void_ctx
;
472 assert(member
< ctx
->num_fields
);
474 switch (dec
->decoration
) {
475 case SpvDecorationNonWritable
:
476 case SpvDecorationNonReadable
:
477 case SpvDecorationRelaxedPrecision
:
478 case SpvDecorationVolatile
:
479 case SpvDecorationCoherent
:
480 case SpvDecorationUniform
:
481 break; /* FIXME: Do nothing with this for now. */
482 case SpvDecorationNoPerspective
:
483 ctx
->fields
[member
].interpolation
= INTERP_MODE_NOPERSPECTIVE
;
485 case SpvDecorationFlat
:
486 ctx
->fields
[member
].interpolation
= INTERP_MODE_FLAT
;
488 case SpvDecorationCentroid
:
489 ctx
->fields
[member
].centroid
= true;
491 case SpvDecorationSample
:
492 ctx
->fields
[member
].sample
= true;
494 case SpvDecorationStream
:
495 /* Vulkan only allows one GS stream */
496 assert(dec
->literals
[0] == 0);
498 case SpvDecorationLocation
:
499 ctx
->fields
[member
].location
= dec
->literals
[0];
501 case SpvDecorationComponent
:
502 break; /* FIXME: What should we do with these? */
503 case SpvDecorationBuiltIn
:
504 ctx
->type
->members
[member
] = vtn_type_copy(b
, ctx
->type
->members
[member
]);
505 ctx
->type
->members
[member
]->is_builtin
= true;
506 ctx
->type
->members
[member
]->builtin
= dec
->literals
[0];
507 ctx
->type
->builtin_block
= true;
509 case SpvDecorationOffset
:
510 ctx
->type
->offsets
[member
] = dec
->literals
[0];
512 case SpvDecorationMatrixStride
:
513 /* Handled as a second pass */
515 case SpvDecorationColMajor
:
516 break; /* Nothing to do here. Column-major is the default. */
517 case SpvDecorationRowMajor
:
518 mutable_matrix_member(b
, ctx
->type
, member
)->row_major
= true;
521 case SpvDecorationPatch
:
524 case SpvDecorationSpecId
:
525 case SpvDecorationBlock
:
526 case SpvDecorationBufferBlock
:
527 case SpvDecorationArrayStride
:
528 case SpvDecorationGLSLShared
:
529 case SpvDecorationGLSLPacked
:
530 case SpvDecorationInvariant
:
531 case SpvDecorationRestrict
:
532 case SpvDecorationAliased
:
533 case SpvDecorationConstant
:
534 case SpvDecorationIndex
:
535 case SpvDecorationBinding
:
536 case SpvDecorationDescriptorSet
:
537 case SpvDecorationLinkageAttributes
:
538 case SpvDecorationNoContraction
:
539 case SpvDecorationInputAttachmentIndex
:
540 vtn_warn("Decoration not allowed on struct members: %s",
541 spirv_decoration_to_string(dec
->decoration
));
544 case SpvDecorationXfbBuffer
:
545 case SpvDecorationXfbStride
:
546 vtn_warn("Vulkan does not have transform feedback");
549 case SpvDecorationCPacked
:
550 case SpvDecorationSaturatedConversion
:
551 case SpvDecorationFuncParamAttr
:
552 case SpvDecorationFPRoundingMode
:
553 case SpvDecorationFPFastMathMode
:
554 case SpvDecorationAlignment
:
555 vtn_warn("Decoration only allowed for CL-style kernels: %s",
556 spirv_decoration_to_string(dec
->decoration
));
560 unreachable("Unhandled decoration");
564 /* Matrix strides are handled as a separate pass because we need to know
565 * whether the matrix is row-major or not first.
568 struct_member_matrix_stride_cb(struct vtn_builder
*b
,
569 struct vtn_value
*val
, int member
,
570 const struct vtn_decoration
*dec
,
573 if (dec
->decoration
!= SpvDecorationMatrixStride
)
577 struct member_decoration_ctx
*ctx
= void_ctx
;
579 struct vtn_type
*mat_type
= mutable_matrix_member(b
, ctx
->type
, member
);
580 if (mat_type
->row_major
) {
581 mat_type
->array_element
= vtn_type_copy(b
, mat_type
->array_element
);
582 mat_type
->stride
= mat_type
->array_element
->stride
;
583 mat_type
->array_element
->stride
= dec
->literals
[0];
585 assert(mat_type
->array_element
->stride
> 0);
586 mat_type
->stride
= dec
->literals
[0];
591 type_decoration_cb(struct vtn_builder
*b
,
592 struct vtn_value
*val
, int member
,
593 const struct vtn_decoration
*dec
, void *ctx
)
595 struct vtn_type
*type
= val
->type
;
600 switch (dec
->decoration
) {
601 case SpvDecorationArrayStride
:
602 type
->stride
= dec
->literals
[0];
604 case SpvDecorationBlock
:
607 case SpvDecorationBufferBlock
:
608 type
->buffer_block
= true;
610 case SpvDecorationGLSLShared
:
611 case SpvDecorationGLSLPacked
:
612 /* Ignore these, since we get explicit offsets anyways */
615 case SpvDecorationRowMajor
:
616 case SpvDecorationColMajor
:
617 case SpvDecorationMatrixStride
:
618 case SpvDecorationBuiltIn
:
619 case SpvDecorationNoPerspective
:
620 case SpvDecorationFlat
:
621 case SpvDecorationPatch
:
622 case SpvDecorationCentroid
:
623 case SpvDecorationSample
:
624 case SpvDecorationVolatile
:
625 case SpvDecorationCoherent
:
626 case SpvDecorationNonWritable
:
627 case SpvDecorationNonReadable
:
628 case SpvDecorationUniform
:
629 case SpvDecorationStream
:
630 case SpvDecorationLocation
:
631 case SpvDecorationComponent
:
632 case SpvDecorationOffset
:
633 case SpvDecorationXfbBuffer
:
634 case SpvDecorationXfbStride
:
635 vtn_warn("Decoration only allowed for struct members: %s",
636 spirv_decoration_to_string(dec
->decoration
));
639 case SpvDecorationRelaxedPrecision
:
640 case SpvDecorationSpecId
:
641 case SpvDecorationInvariant
:
642 case SpvDecorationRestrict
:
643 case SpvDecorationAliased
:
644 case SpvDecorationConstant
:
645 case SpvDecorationIndex
:
646 case SpvDecorationBinding
:
647 case SpvDecorationDescriptorSet
:
648 case SpvDecorationLinkageAttributes
:
649 case SpvDecorationNoContraction
:
650 case SpvDecorationInputAttachmentIndex
:
651 vtn_warn("Decoration not allowed on types: %s",
652 spirv_decoration_to_string(dec
->decoration
));
655 case SpvDecorationCPacked
:
656 case SpvDecorationSaturatedConversion
:
657 case SpvDecorationFuncParamAttr
:
658 case SpvDecorationFPRoundingMode
:
659 case SpvDecorationFPFastMathMode
:
660 case SpvDecorationAlignment
:
661 vtn_warn("Decoration only allowed for CL-style kernels: %s",
662 spirv_decoration_to_string(dec
->decoration
));
666 unreachable("Unhandled decoration");
671 translate_image_format(SpvImageFormat format
)
674 case SpvImageFormatUnknown
: return 0; /* GL_NONE */
675 case SpvImageFormatRgba32f
: return 0x8814; /* GL_RGBA32F */
676 case SpvImageFormatRgba16f
: return 0x881A; /* GL_RGBA16F */
677 case SpvImageFormatR32f
: return 0x822E; /* GL_R32F */
678 case SpvImageFormatRgba8
: return 0x8058; /* GL_RGBA8 */
679 case SpvImageFormatRgba8Snorm
: return 0x8F97; /* GL_RGBA8_SNORM */
680 case SpvImageFormatRg32f
: return 0x8230; /* GL_RG32F */
681 case SpvImageFormatRg16f
: return 0x822F; /* GL_RG16F */
682 case SpvImageFormatR11fG11fB10f
: return 0x8C3A; /* GL_R11F_G11F_B10F */
683 case SpvImageFormatR16f
: return 0x822D; /* GL_R16F */
684 case SpvImageFormatRgba16
: return 0x805B; /* GL_RGBA16 */
685 case SpvImageFormatRgb10A2
: return 0x8059; /* GL_RGB10_A2 */
686 case SpvImageFormatRg16
: return 0x822C; /* GL_RG16 */
687 case SpvImageFormatRg8
: return 0x822B; /* GL_RG8 */
688 case SpvImageFormatR16
: return 0x822A; /* GL_R16 */
689 case SpvImageFormatR8
: return 0x8229; /* GL_R8 */
690 case SpvImageFormatRgba16Snorm
: return 0x8F9B; /* GL_RGBA16_SNORM */
691 case SpvImageFormatRg16Snorm
: return 0x8F99; /* GL_RG16_SNORM */
692 case SpvImageFormatRg8Snorm
: return 0x8F95; /* GL_RG8_SNORM */
693 case SpvImageFormatR16Snorm
: return 0x8F98; /* GL_R16_SNORM */
694 case SpvImageFormatR8Snorm
: return 0x8F94; /* GL_R8_SNORM */
695 case SpvImageFormatRgba32i
: return 0x8D82; /* GL_RGBA32I */
696 case SpvImageFormatRgba16i
: return 0x8D88; /* GL_RGBA16I */
697 case SpvImageFormatRgba8i
: return 0x8D8E; /* GL_RGBA8I */
698 case SpvImageFormatR32i
: return 0x8235; /* GL_R32I */
699 case SpvImageFormatRg32i
: return 0x823B; /* GL_RG32I */
700 case SpvImageFormatRg16i
: return 0x8239; /* GL_RG16I */
701 case SpvImageFormatRg8i
: return 0x8237; /* GL_RG8I */
702 case SpvImageFormatR16i
: return 0x8233; /* GL_R16I */
703 case SpvImageFormatR8i
: return 0x8231; /* GL_R8I */
704 case SpvImageFormatRgba32ui
: return 0x8D70; /* GL_RGBA32UI */
705 case SpvImageFormatRgba16ui
: return 0x8D76; /* GL_RGBA16UI */
706 case SpvImageFormatRgba8ui
: return 0x8D7C; /* GL_RGBA8UI */
707 case SpvImageFormatR32ui
: return 0x8236; /* GL_R32UI */
708 case SpvImageFormatRgb10a2ui
: return 0x906F; /* GL_RGB10_A2UI */
709 case SpvImageFormatRg32ui
: return 0x823C; /* GL_RG32UI */
710 case SpvImageFormatRg16ui
: return 0x823A; /* GL_RG16UI */
711 case SpvImageFormatRg8ui
: return 0x8238; /* GL_RG8UI */
712 case SpvImageFormatR16ui
: return 0x823A; /* GL_RG16UI */
713 case SpvImageFormatR8ui
: return 0x8232; /* GL_R8UI */
715 assert(!"Invalid image format");
721 vtn_handle_type(struct vtn_builder
*b
, SpvOp opcode
,
722 const uint32_t *w
, unsigned count
)
724 struct vtn_value
*val
= vtn_push_value(b
, w
[1], vtn_value_type_type
);
726 val
->type
= rzalloc(b
, struct vtn_type
);
727 val
->type
->val
= val
;
731 val
->type
->base_type
= vtn_base_type_void
;
732 val
->type
->type
= glsl_void_type();
735 val
->type
->base_type
= vtn_base_type_scalar
;
736 val
->type
->type
= glsl_bool_type();
740 const bool signedness
= w
[3];
741 val
->type
->base_type
= vtn_base_type_scalar
;
743 val
->type
->type
= (signedness
? glsl_int64_t_type() : glsl_uint64_t_type());
745 val
->type
->type
= (signedness
? glsl_int_type() : glsl_uint_type());
748 case SpvOpTypeFloat
: {
750 val
->type
->base_type
= vtn_base_type_scalar
;
751 val
->type
->type
= bit_size
== 64 ? glsl_double_type() : glsl_float_type();
755 case SpvOpTypeVector
: {
756 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
757 unsigned elems
= w
[3];
759 assert(glsl_type_is_scalar(base
->type
));
760 val
->type
->base_type
= vtn_base_type_vector
;
761 val
->type
->type
= glsl_vector_type(glsl_get_base_type(base
->type
), elems
);
762 val
->type
->stride
= glsl_get_bit_size(base
->type
) / 8;
763 val
->type
->array_element
= base
;
767 case SpvOpTypeMatrix
: {
768 struct vtn_type
*base
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
769 unsigned columns
= w
[3];
771 assert(glsl_type_is_vector(base
->type
));
772 val
->type
->base_type
= vtn_base_type_matrix
;
773 val
->type
->type
= glsl_matrix_type(glsl_get_base_type(base
->type
),
774 glsl_get_vector_elements(base
->type
),
776 assert(!glsl_type_is_error(val
->type
->type
));
777 val
->type
->length
= columns
;
778 val
->type
->array_element
= base
;
779 val
->type
->row_major
= false;
780 val
->type
->stride
= 0;
784 case SpvOpTypeRuntimeArray
:
785 case SpvOpTypeArray
: {
786 struct vtn_type
*array_element
=
787 vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
789 if (opcode
== SpvOpTypeRuntimeArray
) {
790 /* A length of 0 is used to denote unsized arrays */
791 val
->type
->length
= 0;
794 vtn_value(b
, w
[3], vtn_value_type_constant
)->constant
->values
[0].u32
[0];
797 val
->type
->base_type
= vtn_base_type_array
;
798 val
->type
->type
= glsl_array_type(array_element
->type
, val
->type
->length
);
799 val
->type
->array_element
= array_element
;
800 val
->type
->stride
= 0;
804 case SpvOpTypeStruct
: {
805 unsigned num_fields
= count
- 2;
806 val
->type
->base_type
= vtn_base_type_struct
;
807 val
->type
->length
= num_fields
;
808 val
->type
->members
= ralloc_array(b
, struct vtn_type
*, num_fields
);
809 val
->type
->offsets
= ralloc_array(b
, unsigned, num_fields
);
811 NIR_VLA(struct glsl_struct_field
, fields
, count
);
812 for (unsigned i
= 0; i
< num_fields
; i
++) {
813 val
->type
->members
[i
] =
814 vtn_value(b
, w
[i
+ 2], vtn_value_type_type
)->type
;
815 fields
[i
] = (struct glsl_struct_field
) {
816 .type
= val
->type
->members
[i
]->type
,
817 .name
= ralloc_asprintf(b
, "field%d", i
),
822 struct member_decoration_ctx ctx
= {
823 .num_fields
= num_fields
,
828 vtn_foreach_decoration(b
, val
, struct_member_decoration_cb
, &ctx
);
829 vtn_foreach_decoration(b
, val
, struct_member_matrix_stride_cb
, &ctx
);
831 const char *name
= val
->name
? val
->name
: "struct";
833 val
->type
->type
= glsl_struct_type(fields
, num_fields
, name
);
837 case SpvOpTypeFunction
: {
838 val
->type
->base_type
= vtn_base_type_function
;
839 val
->type
->type
= NULL
;
841 val
->type
->return_type
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
843 const unsigned num_params
= count
- 3;
844 val
->type
->length
= num_params
;
845 val
->type
->params
= ralloc_array(b
, struct vtn_type
*, num_params
);
846 for (unsigned i
= 0; i
< count
- 3; i
++) {
847 val
->type
->params
[i
] =
848 vtn_value(b
, w
[i
+ 3], vtn_value_type_type
)->type
;
853 case SpvOpTypePointer
: {
854 SpvStorageClass storage_class
= w
[2];
855 struct vtn_type
*deref_type
=
856 vtn_value(b
, w
[3], vtn_value_type_type
)->type
;
858 val
->type
->base_type
= vtn_base_type_pointer
;
859 val
->type
->type
= NULL
;
860 val
->type
->storage_class
= storage_class
;
861 val
->type
->deref
= deref_type
;
865 case SpvOpTypeImage
: {
866 val
->type
->base_type
= vtn_base_type_image
;
868 const struct glsl_type
*sampled_type
=
869 vtn_value(b
, w
[2], vtn_value_type_type
)->type
->type
;
871 assert(glsl_type_is_vector_or_scalar(sampled_type
));
873 enum glsl_sampler_dim dim
;
874 switch ((SpvDim
)w
[3]) {
875 case SpvDim1D
: dim
= GLSL_SAMPLER_DIM_1D
; break;
876 case SpvDim2D
: dim
= GLSL_SAMPLER_DIM_2D
; break;
877 case SpvDim3D
: dim
= GLSL_SAMPLER_DIM_3D
; break;
878 case SpvDimCube
: dim
= GLSL_SAMPLER_DIM_CUBE
; break;
879 case SpvDimRect
: dim
= GLSL_SAMPLER_DIM_RECT
; break;
880 case SpvDimBuffer
: dim
= GLSL_SAMPLER_DIM_BUF
; break;
881 case SpvDimSubpassData
: dim
= GLSL_SAMPLER_DIM_SUBPASS
; break;
883 unreachable("Invalid SPIR-V Sampler dimension");
886 bool is_shadow
= w
[4];
887 bool is_array
= w
[5];
888 bool multisampled
= w
[6];
889 unsigned sampled
= w
[7];
890 SpvImageFormat format
= w
[8];
893 val
->type
->access_qualifier
= w
[9];
895 val
->type
->access_qualifier
= SpvAccessQualifierReadWrite
;
898 if (dim
== GLSL_SAMPLER_DIM_2D
)
899 dim
= GLSL_SAMPLER_DIM_MS
;
900 else if (dim
== GLSL_SAMPLER_DIM_SUBPASS
)
901 dim
= GLSL_SAMPLER_DIM_SUBPASS_MS
;
903 assert(!"Unsupported multisampled image type");
906 val
->type
->image_format
= translate_image_format(format
);
909 val
->type
->sampled
= true;
910 val
->type
->type
= glsl_sampler_type(dim
, is_shadow
, is_array
,
911 glsl_get_base_type(sampled_type
));
912 } else if (sampled
== 2) {
914 val
->type
->sampled
= false;
915 val
->type
->type
= glsl_image_type(dim
, is_array
,
916 glsl_get_base_type(sampled_type
));
918 assert(!"We need to know if the image will be sampled");
923 case SpvOpTypeSampledImage
:
924 val
->type
= vtn_value(b
, w
[2], vtn_value_type_type
)->type
;
927 case SpvOpTypeSampler
:
928 /* The actual sampler type here doesn't really matter. It gets
929 * thrown away the moment you combine it with an image. What really
930 * matters is that it's a sampler type as opposed to an integer type
931 * so the backend knows what to do.
933 val
->type
->base_type
= vtn_base_type_sampler
;
934 val
->type
->type
= glsl_bare_sampler_type();
937 case SpvOpTypeOpaque
:
939 case SpvOpTypeDeviceEvent
:
940 case SpvOpTypeReserveId
:
944 unreachable("Unhandled opcode");
947 vtn_foreach_decoration(b
, val
, type_decoration_cb
, NULL
);
950 static nir_constant
*
951 vtn_null_constant(struct vtn_builder
*b
, const struct glsl_type
*type
)
953 nir_constant
*c
= rzalloc(b
, nir_constant
);
955 /* For pointers and other typeless things, we have to return something but
956 * it doesn't matter what.
961 switch (glsl_get_base_type(type
)) {
964 case GLSL_TYPE_INT64
:
965 case GLSL_TYPE_UINT64
:
967 case GLSL_TYPE_FLOAT
:
968 case GLSL_TYPE_DOUBLE
:
969 /* Nothing to do here. It's already initialized to zero */
972 case GLSL_TYPE_ARRAY
:
973 assert(glsl_get_length(type
) > 0);
974 c
->num_elements
= glsl_get_length(type
);
975 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
977 c
->elements
[0] = vtn_null_constant(b
, glsl_get_array_element(type
));
978 for (unsigned i
= 1; i
< c
->num_elements
; i
++)
979 c
->elements
[i
] = c
->elements
[0];
982 case GLSL_TYPE_STRUCT
:
983 c
->num_elements
= glsl_get_length(type
);
984 c
->elements
= ralloc_array(b
, nir_constant
*, c
->num_elements
);
986 for (unsigned i
= 0; i
< c
->num_elements
; i
++) {
987 c
->elements
[i
] = vtn_null_constant(b
, glsl_get_struct_field(type
, i
));
992 unreachable("Invalid type for null constant");
999 spec_constant_decoration_cb(struct vtn_builder
*b
, struct vtn_value
*v
,
1000 int member
, const struct vtn_decoration
*dec
,
1003 assert(member
== -1);
1004 if (dec
->decoration
!= SpvDecorationSpecId
)
1007 struct spec_constant_value
*const_value
= data
;
1009 for (unsigned i
= 0; i
< b
->num_specializations
; i
++) {
1010 if (b
->specializations
[i
].id
== dec
->literals
[0]) {
1011 if (const_value
->is_double
)
1012 const_value
->data64
= b
->specializations
[i
].data64
;
1014 const_value
->data32
= b
->specializations
[i
].data32
;
1021 get_specialization(struct vtn_builder
*b
, struct vtn_value
*val
,
1022 uint32_t const_value
)
1024 struct spec_constant_value data
;
1025 data
.is_double
= false;
1026 data
.data32
= const_value
;
1027 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1032 get_specialization64(struct vtn_builder
*b
, struct vtn_value
*val
,
1033 uint64_t const_value
)
1035 struct spec_constant_value data
;
1036 data
.is_double
= true;
1037 data
.data64
= const_value
;
1038 vtn_foreach_decoration(b
, val
, spec_constant_decoration_cb
, &data
);
1043 handle_workgroup_size_decoration_cb(struct vtn_builder
*b
,
1044 struct vtn_value
*val
,
1046 const struct vtn_decoration
*dec
,
1049 assert(member
== -1);
1050 if (dec
->decoration
!= SpvDecorationBuiltIn
||
1051 dec
->literals
[0] != SpvBuiltInWorkgroupSize
)
1054 assert(val
->const_type
== glsl_vector_type(GLSL_TYPE_UINT
, 3));
1056 b
->shader
->info
.cs
.local_size
[0] = val
->constant
->values
[0].u32
[0];
1057 b
->shader
->info
.cs
.local_size
[1] = val
->constant
->values
[0].u32
[1];
1058 b
->shader
->info
.cs
.local_size
[2] = val
->constant
->values
[0].u32
[2];
1062 vtn_handle_constant(struct vtn_builder
*b
, SpvOp opcode
,
1063 const uint32_t *w
, unsigned count
)
1065 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_constant
);
1066 val
->const_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
->type
;
1067 val
->constant
= rzalloc(b
, nir_constant
);
1069 case SpvOpConstantTrue
:
1070 assert(val
->const_type
== glsl_bool_type());
1071 val
->constant
->values
[0].u32
[0] = NIR_TRUE
;
1073 case SpvOpConstantFalse
:
1074 assert(val
->const_type
== glsl_bool_type());
1075 val
->constant
->values
[0].u32
[0] = NIR_FALSE
;
1078 case SpvOpSpecConstantTrue
:
1079 case SpvOpSpecConstantFalse
: {
1080 assert(val
->const_type
== glsl_bool_type());
1082 get_specialization(b
, val
, (opcode
== SpvOpSpecConstantTrue
));
1083 val
->constant
->values
[0].u32
[0] = int_val
? NIR_TRUE
: NIR_FALSE
;
1087 case SpvOpConstant
: {
1088 assert(glsl_type_is_scalar(val
->const_type
));
1089 int bit_size
= glsl_get_bit_size(val
->const_type
);
1090 if (bit_size
== 64) {
1091 val
->constant
->values
->u32
[0] = w
[3];
1092 val
->constant
->values
->u32
[1] = w
[4];
1094 assert(bit_size
== 32);
1095 val
->constant
->values
->u32
[0] = w
[3];
1099 case SpvOpSpecConstant
: {
1100 assert(glsl_type_is_scalar(val
->const_type
));
1101 val
->constant
->values
[0].u32
[0] = get_specialization(b
, val
, w
[3]);
1102 int bit_size
= glsl_get_bit_size(val
->const_type
);
1104 val
->constant
->values
[0].u64
[0] =
1105 get_specialization64(b
, val
, vtn_u64_literal(&w
[3]));
1107 val
->constant
->values
[0].u32
[0] = get_specialization(b
, val
, w
[3]);
1110 case SpvOpSpecConstantComposite
:
1111 case SpvOpConstantComposite
: {
1112 unsigned elem_count
= count
- 3;
1113 nir_constant
**elems
= ralloc_array(b
, nir_constant
*, elem_count
);
1114 for (unsigned i
= 0; i
< elem_count
; i
++)
1115 elems
[i
] = vtn_value(b
, w
[i
+ 3], vtn_value_type_constant
)->constant
;
1117 switch (glsl_get_base_type(val
->const_type
)) {
1118 case GLSL_TYPE_UINT
:
1120 case GLSL_TYPE_UINT64
:
1121 case GLSL_TYPE_INT64
:
1122 case GLSL_TYPE_FLOAT
:
1123 case GLSL_TYPE_BOOL
:
1124 case GLSL_TYPE_DOUBLE
: {
1125 int bit_size
= glsl_get_bit_size(val
->const_type
);
1126 if (glsl_type_is_matrix(val
->const_type
)) {
1127 assert(glsl_get_matrix_columns(val
->const_type
) == elem_count
);
1128 for (unsigned i
= 0; i
< elem_count
; i
++)
1129 val
->constant
->values
[i
] = elems
[i
]->values
[0];
1131 assert(glsl_type_is_vector(val
->const_type
));
1132 assert(glsl_get_vector_elements(val
->const_type
) == elem_count
);
1133 for (unsigned i
= 0; i
< elem_count
; i
++) {
1134 if (bit_size
== 64) {
1135 val
->constant
->values
[0].u64
[i
] = elems
[i
]->values
[0].u64
[0];
1137 assert(bit_size
== 32);
1138 val
->constant
->values
[0].u32
[i
] = elems
[i
]->values
[0].u32
[0];
1145 case GLSL_TYPE_STRUCT
:
1146 case GLSL_TYPE_ARRAY
:
1147 ralloc_steal(val
->constant
, elems
);
1148 val
->constant
->num_elements
= elem_count
;
1149 val
->constant
->elements
= elems
;
1153 unreachable("Unsupported type for constants");
1158 case SpvOpSpecConstantOp
: {
1159 SpvOp opcode
= get_specialization(b
, val
, w
[3]);
1161 case SpvOpVectorShuffle
: {
1162 struct vtn_value
*v0
= &b
->values
[w
[4]];
1163 struct vtn_value
*v1
= &b
->values
[w
[5]];
1165 assert(v0
->value_type
== vtn_value_type_constant
||
1166 v0
->value_type
== vtn_value_type_undef
);
1167 assert(v1
->value_type
== vtn_value_type_constant
||
1168 v1
->value_type
== vtn_value_type_undef
);
1170 unsigned len0
= v0
->value_type
== vtn_value_type_constant
?
1171 glsl_get_vector_elements(v0
->const_type
) :
1172 glsl_get_vector_elements(v0
->type
->type
);
1173 unsigned len1
= v1
->value_type
== vtn_value_type_constant
?
1174 glsl_get_vector_elements(v1
->const_type
) :
1175 glsl_get_vector_elements(v1
->type
->type
);
1177 assert(len0
+ len1
< 16);
1179 unsigned bit_size
= glsl_get_bit_size(val
->const_type
);
1180 unsigned bit_size0
= v0
->value_type
== vtn_value_type_constant
?
1181 glsl_get_bit_size(v0
->const_type
) :
1182 glsl_get_bit_size(v0
->type
->type
);
1183 unsigned bit_size1
= v1
->value_type
== vtn_value_type_constant
?
1184 glsl_get_bit_size(v1
->const_type
) :
1185 glsl_get_bit_size(v1
->type
->type
);
1187 assert(bit_size
== bit_size0
&& bit_size
== bit_size1
);
1188 (void)bit_size0
; (void)bit_size1
;
1190 if (bit_size
== 64) {
1192 if (v0
->value_type
== vtn_value_type_constant
) {
1193 for (unsigned i
= 0; i
< len0
; i
++)
1194 u64
[i
] = v0
->constant
->values
[0].u64
[i
];
1196 if (v1
->value_type
== vtn_value_type_constant
) {
1197 for (unsigned i
= 0; i
< len1
; i
++)
1198 u64
[len0
+ i
] = v1
->constant
->values
[0].u64
[i
];
1201 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1202 uint32_t comp
= w
[i
+ 6];
1203 /* If component is not used, set the value to a known constant
1204 * to detect if it is wrongly used.
1206 if (comp
== (uint32_t)-1)
1207 val
->constant
->values
[0].u64
[j
] = 0xdeadbeefdeadbeef;
1209 val
->constant
->values
[0].u64
[j
] = u64
[comp
];
1213 if (v0
->value_type
== vtn_value_type_constant
) {
1214 for (unsigned i
= 0; i
< len0
; i
++)
1215 u32
[i
] = v0
->constant
->values
[0].u32
[i
];
1217 if (v1
->value_type
== vtn_value_type_constant
) {
1218 for (unsigned i
= 0; i
< len1
; i
++)
1219 u32
[len0
+ i
] = v1
->constant
->values
[0].u32
[i
];
1222 for (unsigned i
= 0, j
= 0; i
< count
- 6; i
++, j
++) {
1223 uint32_t comp
= w
[i
+ 6];
1224 /* If component is not used, set the value to a known constant
1225 * to detect if it is wrongly used.
1227 if (comp
== (uint32_t)-1)
1228 val
->constant
->values
[0].u32
[j
] = 0xdeadbeef;
1230 val
->constant
->values
[0].u32
[j
] = u32
[comp
];
1236 case SpvOpCompositeExtract
:
1237 case SpvOpCompositeInsert
: {
1238 struct vtn_value
*comp
;
1239 unsigned deref_start
;
1240 struct nir_constant
**c
;
1241 if (opcode
== SpvOpCompositeExtract
) {
1242 comp
= vtn_value(b
, w
[4], vtn_value_type_constant
);
1244 c
= &comp
->constant
;
1246 comp
= vtn_value(b
, w
[5], vtn_value_type_constant
);
1248 val
->constant
= nir_constant_clone(comp
->constant
,
1255 const struct glsl_type
*type
= comp
->const_type
;
1256 for (unsigned i
= deref_start
; i
< count
; i
++) {
1257 switch (glsl_get_base_type(type
)) {
1258 case GLSL_TYPE_UINT
:
1260 case GLSL_TYPE_UINT64
:
1261 case GLSL_TYPE_INT64
:
1262 case GLSL_TYPE_FLOAT
:
1263 case GLSL_TYPE_DOUBLE
:
1264 case GLSL_TYPE_BOOL
:
1265 /* If we hit this granularity, we're picking off an element */
1266 if (glsl_type_is_matrix(type
)) {
1267 assert(col
== 0 && elem
== -1);
1270 type
= glsl_get_column_type(type
);
1272 assert(elem
<= 0 && glsl_type_is_vector(type
));
1274 type
= glsl_scalar_type(glsl_get_base_type(type
));
1278 case GLSL_TYPE_ARRAY
:
1279 c
= &(*c
)->elements
[w
[i
]];
1280 type
= glsl_get_array_element(type
);
1283 case GLSL_TYPE_STRUCT
:
1284 c
= &(*c
)->elements
[w
[i
]];
1285 type
= glsl_get_struct_field(type
, w
[i
]);
1289 unreachable("Invalid constant type");
1293 if (opcode
== SpvOpCompositeExtract
) {
1297 unsigned num_components
= glsl_get_vector_elements(type
);
1298 unsigned bit_size
= glsl_get_bit_size(type
);
1299 for (unsigned i
= 0; i
< num_components
; i
++)
1300 if (bit_size
== 64) {
1301 val
->constant
->values
[0].u64
[i
] = (*c
)->values
[col
].u64
[elem
+ i
];
1303 assert(bit_size
== 32);
1304 val
->constant
->values
[0].u32
[i
] = (*c
)->values
[col
].u32
[elem
+ i
];
1308 struct vtn_value
*insert
=
1309 vtn_value(b
, w
[4], vtn_value_type_constant
);
1310 assert(insert
->const_type
== type
);
1312 *c
= insert
->constant
;
1314 unsigned num_components
= glsl_get_vector_elements(type
);
1315 unsigned bit_size
= glsl_get_bit_size(type
);
1316 for (unsigned i
= 0; i
< num_components
; i
++)
1317 if (bit_size
== 64) {
1318 (*c
)->values
[col
].u64
[elem
+ i
] = insert
->constant
->values
[0].u64
[i
];
1320 assert(bit_size
== 32);
1321 (*c
)->values
[col
].u32
[elem
+ i
] = insert
->constant
->values
[0].u32
[i
];
1330 nir_alu_type dst_alu_type
= nir_get_nir_type_for_glsl_type(val
->const_type
);
1331 nir_alu_type src_alu_type
= dst_alu_type
;
1332 nir_op op
= vtn_nir_alu_op_for_spirv_opcode(opcode
, &swap
, src_alu_type
, dst_alu_type
);
1334 unsigned num_components
= glsl_get_vector_elements(val
->const_type
);
1336 glsl_get_bit_size(val
->const_type
);
1338 nir_const_value src
[4];
1340 for (unsigned i
= 0; i
< count
- 4; i
++) {
1342 vtn_value(b
, w
[4 + i
], vtn_value_type_constant
)->constant
;
1344 unsigned j
= swap
? 1 - i
: i
;
1345 assert(bit_size
== 32);
1346 src
[j
] = c
->values
[0];
1349 val
->constant
->values
[0] =
1350 nir_eval_const_opcode(op
, num_components
, bit_size
, src
);
1357 case SpvOpConstantNull
:
1358 val
->constant
= vtn_null_constant(b
, val
->const_type
);
1361 case SpvOpConstantSampler
:
1362 assert(!"OpConstantSampler requires Kernel Capability");
1366 unreachable("Unhandled opcode");
1369 /* Now that we have the value, update the workgroup size if needed */
1370 vtn_foreach_decoration(b
, val
, handle_workgroup_size_decoration_cb
, NULL
);
1374 vtn_handle_function_call(struct vtn_builder
*b
, SpvOp opcode
,
1375 const uint32_t *w
, unsigned count
)
1377 struct nir_function
*callee
=
1378 vtn_value(b
, w
[3], vtn_value_type_function
)->func
->impl
->function
;
1380 nir_call_instr
*call
= nir_call_instr_create(b
->nb
.shader
, callee
);
1381 for (unsigned i
= 0; i
< call
->num_params
; i
++) {
1382 unsigned arg_id
= w
[4 + i
];
1383 struct vtn_value
*arg
= vtn_untyped_value(b
, arg_id
);
1384 if (arg
->value_type
== vtn_value_type_pointer
) {
1385 nir_deref_var
*d
= vtn_pointer_to_deref(b
, arg
->pointer
);
1386 call
->params
[i
] = nir_deref_var_clone(d
, call
);
1388 struct vtn_ssa_value
*arg_ssa
= vtn_ssa_value(b
, arg_id
);
1390 /* Make a temporary to store the argument in */
1392 nir_local_variable_create(b
->impl
, arg_ssa
->type
, "arg_tmp");
1393 call
->params
[i
] = nir_deref_var_create(call
, tmp
);
1395 vtn_local_store(b
, arg_ssa
, call
->params
[i
]);
1399 nir_variable
*out_tmp
= NULL
;
1400 if (!glsl_type_is_void(callee
->return_type
)) {
1401 out_tmp
= nir_local_variable_create(b
->impl
, callee
->return_type
,
1403 call
->return_deref
= nir_deref_var_create(call
, out_tmp
);
1406 nir_builder_instr_insert(&b
->nb
, &call
->instr
);
1408 if (glsl_type_is_void(callee
->return_type
)) {
1409 vtn_push_value(b
, w
[2], vtn_value_type_undef
);
1411 struct vtn_value
*retval
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
1412 retval
->ssa
= vtn_local_load(b
, call
->return_deref
);
1416 struct vtn_ssa_value
*
1417 vtn_create_ssa_value(struct vtn_builder
*b
, const struct glsl_type
*type
)
1419 struct vtn_ssa_value
*val
= rzalloc(b
, struct vtn_ssa_value
);
1422 if (!glsl_type_is_vector_or_scalar(type
)) {
1423 unsigned elems
= glsl_get_length(type
);
1424 val
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
1425 for (unsigned i
= 0; i
< elems
; i
++) {
1426 const struct glsl_type
*child_type
;
1428 switch (glsl_get_base_type(type
)) {
1430 case GLSL_TYPE_UINT
:
1431 case GLSL_TYPE_INT64
:
1432 case GLSL_TYPE_UINT64
:
1433 case GLSL_TYPE_BOOL
:
1434 case GLSL_TYPE_FLOAT
:
1435 case GLSL_TYPE_DOUBLE
:
1436 child_type
= glsl_get_column_type(type
);
1438 case GLSL_TYPE_ARRAY
:
1439 child_type
= glsl_get_array_element(type
);
1441 case GLSL_TYPE_STRUCT
:
1442 child_type
= glsl_get_struct_field(type
, i
);
1445 unreachable("unkown base type");
1448 val
->elems
[i
] = vtn_create_ssa_value(b
, child_type
);
1456 vtn_tex_src(struct vtn_builder
*b
, unsigned index
, nir_tex_src_type type
)
1459 src
.src
= nir_src_for_ssa(vtn_ssa_value(b
, index
)->def
);
1460 src
.src_type
= type
;
1465 vtn_handle_texture(struct vtn_builder
*b
, SpvOp opcode
,
1466 const uint32_t *w
, unsigned count
)
1468 if (opcode
== SpvOpSampledImage
) {
1469 struct vtn_value
*val
=
1470 vtn_push_value(b
, w
[2], vtn_value_type_sampled_image
);
1471 val
->sampled_image
= ralloc(b
, struct vtn_sampled_image
);
1472 val
->sampled_image
->image
=
1473 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
1474 val
->sampled_image
->sampler
=
1475 vtn_value(b
, w
[4], vtn_value_type_pointer
)->pointer
;
1477 } else if (opcode
== SpvOpImage
) {
1478 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_pointer
);
1479 struct vtn_value
*src_val
= vtn_untyped_value(b
, w
[3]);
1480 if (src_val
->value_type
== vtn_value_type_sampled_image
) {
1481 val
->pointer
= src_val
->sampled_image
->image
;
1483 assert(src_val
->value_type
== vtn_value_type_pointer
);
1484 val
->pointer
= src_val
->pointer
;
1489 struct vtn_type
*ret_type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
1490 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
1492 struct vtn_sampled_image sampled
;
1493 struct vtn_value
*sampled_val
= vtn_untyped_value(b
, w
[3]);
1494 if (sampled_val
->value_type
== vtn_value_type_sampled_image
) {
1495 sampled
= *sampled_val
->sampled_image
;
1497 assert(sampled_val
->value_type
== vtn_value_type_pointer
);
1498 sampled
.image
= NULL
;
1499 sampled
.sampler
= sampled_val
->pointer
;
1502 const struct glsl_type
*image_type
;
1503 if (sampled
.image
) {
1504 image_type
= sampled
.image
->var
->var
->interface_type
;
1506 image_type
= sampled
.sampler
->var
->var
->interface_type
;
1508 const enum glsl_sampler_dim sampler_dim
= glsl_get_sampler_dim(image_type
);
1509 const bool is_array
= glsl_sampler_type_is_array(image_type
);
1510 const bool is_shadow
= glsl_sampler_type_is_shadow(image_type
);
1512 /* Figure out the base texture operation */
1515 case SpvOpImageSampleImplicitLod
:
1516 case SpvOpImageSampleDrefImplicitLod
:
1517 case SpvOpImageSampleProjImplicitLod
:
1518 case SpvOpImageSampleProjDrefImplicitLod
:
1519 texop
= nir_texop_tex
;
1522 case SpvOpImageSampleExplicitLod
:
1523 case SpvOpImageSampleDrefExplicitLod
:
1524 case SpvOpImageSampleProjExplicitLod
:
1525 case SpvOpImageSampleProjDrefExplicitLod
:
1526 texop
= nir_texop_txl
;
1529 case SpvOpImageFetch
:
1530 if (glsl_get_sampler_dim(image_type
) == GLSL_SAMPLER_DIM_MS
) {
1531 texop
= nir_texop_txf_ms
;
1533 texop
= nir_texop_txf
;
1537 case SpvOpImageGather
:
1538 case SpvOpImageDrefGather
:
1539 texop
= nir_texop_tg4
;
1542 case SpvOpImageQuerySizeLod
:
1543 case SpvOpImageQuerySize
:
1544 texop
= nir_texop_txs
;
1547 case SpvOpImageQueryLod
:
1548 texop
= nir_texop_lod
;
1551 case SpvOpImageQueryLevels
:
1552 texop
= nir_texop_query_levels
;
1555 case SpvOpImageQuerySamples
:
1556 texop
= nir_texop_texture_samples
;
1560 unreachable("Unhandled opcode");
1563 nir_tex_src srcs
[8]; /* 8 should be enough */
1564 nir_tex_src
*p
= srcs
;
1568 struct nir_ssa_def
*coord
;
1569 unsigned coord_components
;
1571 case SpvOpImageSampleImplicitLod
:
1572 case SpvOpImageSampleExplicitLod
:
1573 case SpvOpImageSampleDrefImplicitLod
:
1574 case SpvOpImageSampleDrefExplicitLod
:
1575 case SpvOpImageSampleProjImplicitLod
:
1576 case SpvOpImageSampleProjExplicitLod
:
1577 case SpvOpImageSampleProjDrefImplicitLod
:
1578 case SpvOpImageSampleProjDrefExplicitLod
:
1579 case SpvOpImageFetch
:
1580 case SpvOpImageGather
:
1581 case SpvOpImageDrefGather
:
1582 case SpvOpImageQueryLod
: {
1583 /* All these types have the coordinate as their first real argument */
1584 switch (sampler_dim
) {
1585 case GLSL_SAMPLER_DIM_1D
:
1586 case GLSL_SAMPLER_DIM_BUF
:
1587 coord_components
= 1;
1589 case GLSL_SAMPLER_DIM_2D
:
1590 case GLSL_SAMPLER_DIM_RECT
:
1591 case GLSL_SAMPLER_DIM_MS
:
1592 coord_components
= 2;
1594 case GLSL_SAMPLER_DIM_3D
:
1595 case GLSL_SAMPLER_DIM_CUBE
:
1596 coord_components
= 3;
1599 unreachable("Invalid sampler type");
1602 if (is_array
&& texop
!= nir_texop_lod
)
1605 coord
= vtn_ssa_value(b
, w
[idx
++])->def
;
1606 p
->src
= nir_src_for_ssa(nir_channels(&b
->nb
, coord
,
1607 (1 << coord_components
) - 1));
1608 p
->src_type
= nir_tex_src_coord
;
1615 coord_components
= 0;
1620 case SpvOpImageSampleProjImplicitLod
:
1621 case SpvOpImageSampleProjExplicitLod
:
1622 case SpvOpImageSampleProjDrefImplicitLod
:
1623 case SpvOpImageSampleProjDrefExplicitLod
:
1624 /* These have the projector as the last coordinate component */
1625 p
->src
= nir_src_for_ssa(nir_channel(&b
->nb
, coord
, coord_components
));
1626 p
->src_type
= nir_tex_src_projector
;
1634 unsigned gather_component
= 0;
1636 case SpvOpImageSampleDrefImplicitLod
:
1637 case SpvOpImageSampleDrefExplicitLod
:
1638 case SpvOpImageSampleProjDrefImplicitLod
:
1639 case SpvOpImageSampleProjDrefExplicitLod
:
1640 case SpvOpImageDrefGather
:
1641 /* These all have an explicit depth value as their next source */
1642 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_comparator
);
1645 case SpvOpImageGather
:
1646 /* This has a component as its next source */
1648 vtn_value(b
, w
[idx
++], vtn_value_type_constant
)->constant
->values
[0].u32
[0];
1655 /* For OpImageQuerySizeLod, we always have an LOD */
1656 if (opcode
== SpvOpImageQuerySizeLod
)
1657 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
1659 /* Now we need to handle some number of optional arguments */
1660 const struct vtn_ssa_value
*gather_offsets
= NULL
;
1662 uint32_t operands
= w
[idx
++];
1664 if (operands
& SpvImageOperandsBiasMask
) {
1665 assert(texop
== nir_texop_tex
);
1666 texop
= nir_texop_txb
;
1667 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_bias
);
1670 if (operands
& SpvImageOperandsLodMask
) {
1671 assert(texop
== nir_texop_txl
|| texop
== nir_texop_txf
||
1672 texop
== nir_texop_txs
);
1673 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_lod
);
1676 if (operands
& SpvImageOperandsGradMask
) {
1677 assert(texop
== nir_texop_txl
);
1678 texop
= nir_texop_txd
;
1679 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddx
);
1680 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ddy
);
1683 if (operands
& SpvImageOperandsOffsetMask
||
1684 operands
& SpvImageOperandsConstOffsetMask
)
1685 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_offset
);
1687 if (operands
& SpvImageOperandsConstOffsetsMask
) {
1688 gather_offsets
= vtn_ssa_value(b
, w
[idx
++]);
1689 (*p
++) = (nir_tex_src
){};
1692 if (operands
& SpvImageOperandsSampleMask
) {
1693 assert(texop
== nir_texop_txf_ms
);
1694 texop
= nir_texop_txf_ms
;
1695 (*p
++) = vtn_tex_src(b
, w
[idx
++], nir_tex_src_ms_index
);
1698 /* We should have now consumed exactly all of the arguments */
1699 assert(idx
== count
);
1701 nir_tex_instr
*instr
= nir_tex_instr_create(b
->shader
, p
- srcs
);
1704 memcpy(instr
->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
1706 instr
->coord_components
= coord_components
;
1707 instr
->sampler_dim
= sampler_dim
;
1708 instr
->is_array
= is_array
;
1709 instr
->is_shadow
= is_shadow
;
1710 instr
->is_new_style_shadow
=
1711 is_shadow
&& glsl_get_components(ret_type
->type
) == 1;
1712 instr
->component
= gather_component
;
1714 switch (glsl_get_sampler_result_type(image_type
)) {
1715 case GLSL_TYPE_FLOAT
: instr
->dest_type
= nir_type_float
; break;
1716 case GLSL_TYPE_INT
: instr
->dest_type
= nir_type_int
; break;
1717 case GLSL_TYPE_UINT
: instr
->dest_type
= nir_type_uint
; break;
1718 case GLSL_TYPE_BOOL
: instr
->dest_type
= nir_type_bool
; break;
1720 unreachable("Invalid base type for sampler result");
1723 nir_deref_var
*sampler
= vtn_pointer_to_deref(b
, sampled
.sampler
);
1724 nir_deref_var
*texture
;
1725 if (sampled
.image
) {
1726 nir_deref_var
*image
= vtn_pointer_to_deref(b
, sampled
.image
);
1732 instr
->texture
= nir_deref_var_clone(texture
, instr
);
1734 switch (instr
->op
) {
1739 /* These operations require a sampler */
1740 instr
->sampler
= nir_deref_var_clone(sampler
, instr
);
1743 case nir_texop_txf_ms
:
1747 case nir_texop_query_levels
:
1748 case nir_texop_texture_samples
:
1749 case nir_texop_samples_identical
:
1751 instr
->sampler
= NULL
;
1753 case nir_texop_txf_ms_mcs
:
1754 unreachable("unexpected nir_texop_txf_ms_mcs");
1757 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
1758 nir_tex_instr_dest_size(instr
), 32, NULL
);
1760 assert(glsl_get_vector_elements(ret_type
->type
) ==
1761 nir_tex_instr_dest_size(instr
));
1764 nir_instr
*instruction
;
1765 if (gather_offsets
) {
1766 assert(glsl_get_base_type(gather_offsets
->type
) == GLSL_TYPE_ARRAY
);
1767 assert(glsl_get_length(gather_offsets
->type
) == 4);
1768 nir_tex_instr
*instrs
[4] = {instr
, NULL
, NULL
, NULL
};
1770 /* Copy the current instruction 4x */
1771 for (uint32_t i
= 1; i
< 4; i
++) {
1772 instrs
[i
] = nir_tex_instr_create(b
->shader
, instr
->num_srcs
);
1773 instrs
[i
]->op
= instr
->op
;
1774 instrs
[i
]->coord_components
= instr
->coord_components
;
1775 instrs
[i
]->sampler_dim
= instr
->sampler_dim
;
1776 instrs
[i
]->is_array
= instr
->is_array
;
1777 instrs
[i
]->is_shadow
= instr
->is_shadow
;
1778 instrs
[i
]->is_new_style_shadow
= instr
->is_new_style_shadow
;
1779 instrs
[i
]->component
= instr
->component
;
1780 instrs
[i
]->dest_type
= instr
->dest_type
;
1781 instrs
[i
]->texture
= nir_deref_var_clone(texture
, instrs
[i
]);
1782 instrs
[i
]->sampler
= NULL
;
1784 memcpy(instrs
[i
]->src
, srcs
, instr
->num_srcs
* sizeof(*instr
->src
));
1786 nir_ssa_dest_init(&instrs
[i
]->instr
, &instrs
[i
]->dest
,
1787 nir_tex_instr_dest_size(instr
), 32, NULL
);
1790 /* Fill in the last argument with the offset from the passed in offsets
1791 * and insert the instruction into the stream.
1793 for (uint32_t i
= 0; i
< 4; i
++) {
1795 src
.src
= nir_src_for_ssa(gather_offsets
->elems
[i
]->def
);
1796 src
.src_type
= nir_tex_src_offset
;
1797 instrs
[i
]->src
[instrs
[i
]->num_srcs
- 1] = src
;
1798 nir_builder_instr_insert(&b
->nb
, &instrs
[i
]->instr
);
1801 /* Combine the results of the 4 instructions by taking their .w
1804 nir_alu_instr
*vec4
= nir_alu_instr_create(b
->shader
, nir_op_vec4
);
1805 nir_ssa_dest_init(&vec4
->instr
, &vec4
->dest
.dest
, 4, 32, NULL
);
1806 vec4
->dest
.write_mask
= 0xf;
1807 for (uint32_t i
= 0; i
< 4; i
++) {
1808 vec4
->src
[i
].src
= nir_src_for_ssa(&instrs
[i
]->dest
.ssa
);
1809 vec4
->src
[i
].swizzle
[0] = 3;
1811 def
= &vec4
->dest
.dest
.ssa
;
1812 instruction
= &vec4
->instr
;
1814 def
= &instr
->dest
.ssa
;
1815 instruction
= &instr
->instr
;
1818 val
->ssa
= vtn_create_ssa_value(b
, ret_type
->type
);
1819 val
->ssa
->def
= def
;
1821 nir_builder_instr_insert(&b
->nb
, instruction
);
1825 fill_common_atomic_sources(struct vtn_builder
*b
, SpvOp opcode
,
1826 const uint32_t *w
, nir_src
*src
)
1829 case SpvOpAtomicIIncrement
:
1830 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, 1));
1833 case SpvOpAtomicIDecrement
:
1834 src
[0] = nir_src_for_ssa(nir_imm_int(&b
->nb
, -1));
1837 case SpvOpAtomicISub
:
1839 nir_src_for_ssa(nir_ineg(&b
->nb
, vtn_ssa_value(b
, w
[6])->def
));
1842 case SpvOpAtomicCompareExchange
:
1843 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[8])->def
);
1844 src
[1] = nir_src_for_ssa(vtn_ssa_value(b
, w
[7])->def
);
1847 case SpvOpAtomicExchange
:
1848 case SpvOpAtomicIAdd
:
1849 case SpvOpAtomicSMin
:
1850 case SpvOpAtomicUMin
:
1851 case SpvOpAtomicSMax
:
1852 case SpvOpAtomicUMax
:
1853 case SpvOpAtomicAnd
:
1855 case SpvOpAtomicXor
:
1856 src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[6])->def
);
1860 unreachable("Invalid SPIR-V atomic");
1864 static nir_ssa_def
*
1865 get_image_coord(struct vtn_builder
*b
, uint32_t value
)
1867 struct vtn_ssa_value
*coord
= vtn_ssa_value(b
, value
);
1869 /* The image_load_store intrinsics assume a 4-dim coordinate */
1870 unsigned dim
= glsl_get_vector_elements(coord
->type
);
1871 unsigned swizzle
[4];
1872 for (unsigned i
= 0; i
< 4; i
++)
1873 swizzle
[i
] = MIN2(i
, dim
- 1);
1875 return nir_swizzle(&b
->nb
, coord
->def
, swizzle
, 4, false);
1879 vtn_handle_image(struct vtn_builder
*b
, SpvOp opcode
,
1880 const uint32_t *w
, unsigned count
)
1882 /* Just get this one out of the way */
1883 if (opcode
== SpvOpImageTexelPointer
) {
1884 struct vtn_value
*val
=
1885 vtn_push_value(b
, w
[2], vtn_value_type_image_pointer
);
1886 val
->image
= ralloc(b
, struct vtn_image_pointer
);
1888 val
->image
->image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
1889 val
->image
->coord
= get_image_coord(b
, w
[4]);
1890 val
->image
->sample
= vtn_ssa_value(b
, w
[5])->def
;
1894 struct vtn_image_pointer image
;
1897 case SpvOpAtomicExchange
:
1898 case SpvOpAtomicCompareExchange
:
1899 case SpvOpAtomicCompareExchangeWeak
:
1900 case SpvOpAtomicIIncrement
:
1901 case SpvOpAtomicIDecrement
:
1902 case SpvOpAtomicIAdd
:
1903 case SpvOpAtomicISub
:
1904 case SpvOpAtomicLoad
:
1905 case SpvOpAtomicSMin
:
1906 case SpvOpAtomicUMin
:
1907 case SpvOpAtomicSMax
:
1908 case SpvOpAtomicUMax
:
1909 case SpvOpAtomicAnd
:
1911 case SpvOpAtomicXor
:
1912 image
= *vtn_value(b
, w
[3], vtn_value_type_image_pointer
)->image
;
1915 case SpvOpAtomicStore
:
1916 image
= *vtn_value(b
, w
[1], vtn_value_type_image_pointer
)->image
;
1919 case SpvOpImageQuerySize
:
1920 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
1922 image
.sample
= NULL
;
1925 case SpvOpImageRead
:
1926 image
.image
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
1927 image
.coord
= get_image_coord(b
, w
[4]);
1929 if (count
> 5 && (w
[5] & SpvImageOperandsSampleMask
)) {
1930 assert(w
[5] == SpvImageOperandsSampleMask
);
1931 image
.sample
= vtn_ssa_value(b
, w
[6])->def
;
1933 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
1937 case SpvOpImageWrite
:
1938 image
.image
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
1939 image
.coord
= get_image_coord(b
, w
[2]);
1943 if (count
> 4 && (w
[4] & SpvImageOperandsSampleMask
)) {
1944 assert(w
[4] == SpvImageOperandsSampleMask
);
1945 image
.sample
= vtn_ssa_value(b
, w
[5])->def
;
1947 image
.sample
= nir_ssa_undef(&b
->nb
, 1, 32);
1952 unreachable("Invalid image opcode");
1955 nir_intrinsic_op op
;
1957 #define OP(S, N) case SpvOp##S: op = nir_intrinsic_image_##N; break;
1958 OP(ImageQuerySize
, size
)
1960 OP(ImageWrite
, store
)
1961 OP(AtomicLoad
, load
)
1962 OP(AtomicStore
, store
)
1963 OP(AtomicExchange
, atomic_exchange
)
1964 OP(AtomicCompareExchange
, atomic_comp_swap
)
1965 OP(AtomicIIncrement
, atomic_add
)
1966 OP(AtomicIDecrement
, atomic_add
)
1967 OP(AtomicIAdd
, atomic_add
)
1968 OP(AtomicISub
, atomic_add
)
1969 OP(AtomicSMin
, atomic_min
)
1970 OP(AtomicUMin
, atomic_min
)
1971 OP(AtomicSMax
, atomic_max
)
1972 OP(AtomicUMax
, atomic_max
)
1973 OP(AtomicAnd
, atomic_and
)
1974 OP(AtomicOr
, atomic_or
)
1975 OP(AtomicXor
, atomic_xor
)
1978 unreachable("Invalid image opcode");
1981 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(b
->shader
, op
);
1983 nir_deref_var
*image_deref
= vtn_pointer_to_deref(b
, image
.image
);
1984 intrin
->variables
[0] = nir_deref_var_clone(image_deref
, intrin
);
1986 /* ImageQuerySize doesn't take any extra parameters */
1987 if (opcode
!= SpvOpImageQuerySize
) {
1988 /* The image coordinate is always 4 components but we may not have that
1989 * many. Swizzle to compensate.
1992 for (unsigned i
= 0; i
< 4; i
++)
1993 swiz
[i
] = i
< image
.coord
->num_components
? i
: 0;
1994 intrin
->src
[0] = nir_src_for_ssa(nir_swizzle(&b
->nb
, image
.coord
,
1996 intrin
->src
[1] = nir_src_for_ssa(image
.sample
);
2000 case SpvOpAtomicLoad
:
2001 case SpvOpImageQuerySize
:
2002 case SpvOpImageRead
:
2004 case SpvOpAtomicStore
:
2005 intrin
->src
[2] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2007 case SpvOpImageWrite
:
2008 intrin
->src
[2] = nir_src_for_ssa(vtn_ssa_value(b
, w
[3])->def
);
2011 case SpvOpAtomicIIncrement
:
2012 case SpvOpAtomicIDecrement
:
2013 case SpvOpAtomicExchange
:
2014 case SpvOpAtomicIAdd
:
2015 case SpvOpAtomicSMin
:
2016 case SpvOpAtomicUMin
:
2017 case SpvOpAtomicSMax
:
2018 case SpvOpAtomicUMax
:
2019 case SpvOpAtomicAnd
:
2021 case SpvOpAtomicXor
:
2022 fill_common_atomic_sources(b
, opcode
, w
, &intrin
->src
[2]);
2026 unreachable("Invalid image opcode");
2029 if (opcode
!= SpvOpImageWrite
) {
2030 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2031 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2033 unsigned dest_components
=
2034 nir_intrinsic_infos
[intrin
->intrinsic
].dest_components
;
2035 if (intrin
->intrinsic
== nir_intrinsic_image_size
) {
2036 dest_components
= intrin
->num_components
=
2037 glsl_get_vector_elements(type
->type
);
2040 nir_ssa_dest_init(&intrin
->instr
, &intrin
->dest
,
2041 dest_components
, 32, NULL
);
2043 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2045 val
->ssa
= vtn_create_ssa_value(b
, type
->type
);
2046 val
->ssa
->def
= &intrin
->dest
.ssa
;
2048 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2052 static nir_intrinsic_op
2053 get_ssbo_nir_atomic_op(SpvOp opcode
)
2056 case SpvOpAtomicLoad
: return nir_intrinsic_load_ssbo
;
2057 case SpvOpAtomicStore
: return nir_intrinsic_store_ssbo
;
2058 #define OP(S, N) case SpvOp##S: return nir_intrinsic_ssbo_##N;
2059 OP(AtomicExchange
, atomic_exchange
)
2060 OP(AtomicCompareExchange
, atomic_comp_swap
)
2061 OP(AtomicIIncrement
, atomic_add
)
2062 OP(AtomicIDecrement
, atomic_add
)
2063 OP(AtomicIAdd
, atomic_add
)
2064 OP(AtomicISub
, atomic_add
)
2065 OP(AtomicSMin
, atomic_imin
)
2066 OP(AtomicUMin
, atomic_umin
)
2067 OP(AtomicSMax
, atomic_imax
)
2068 OP(AtomicUMax
, atomic_umax
)
2069 OP(AtomicAnd
, atomic_and
)
2070 OP(AtomicOr
, atomic_or
)
2071 OP(AtomicXor
, atomic_xor
)
2074 unreachable("Invalid SSBO atomic");
2078 static nir_intrinsic_op
2079 get_shared_nir_atomic_op(SpvOp opcode
)
2082 case SpvOpAtomicLoad
: return nir_intrinsic_load_var
;
2083 case SpvOpAtomicStore
: return nir_intrinsic_store_var
;
2084 #define OP(S, N) case SpvOp##S: return nir_intrinsic_var_##N;
2085 OP(AtomicExchange
, atomic_exchange
)
2086 OP(AtomicCompareExchange
, atomic_comp_swap
)
2087 OP(AtomicIIncrement
, atomic_add
)
2088 OP(AtomicIDecrement
, atomic_add
)
2089 OP(AtomicIAdd
, atomic_add
)
2090 OP(AtomicISub
, atomic_add
)
2091 OP(AtomicSMin
, atomic_imin
)
2092 OP(AtomicUMin
, atomic_umin
)
2093 OP(AtomicSMax
, atomic_imax
)
2094 OP(AtomicUMax
, atomic_umax
)
2095 OP(AtomicAnd
, atomic_and
)
2096 OP(AtomicOr
, atomic_or
)
2097 OP(AtomicXor
, atomic_xor
)
2100 unreachable("Invalid shared atomic");
2105 vtn_handle_ssbo_or_shared_atomic(struct vtn_builder
*b
, SpvOp opcode
,
2106 const uint32_t *w
, unsigned count
)
2108 struct vtn_pointer
*ptr
;
2109 nir_intrinsic_instr
*atomic
;
2112 case SpvOpAtomicLoad
:
2113 case SpvOpAtomicExchange
:
2114 case SpvOpAtomicCompareExchange
:
2115 case SpvOpAtomicCompareExchangeWeak
:
2116 case SpvOpAtomicIIncrement
:
2117 case SpvOpAtomicIDecrement
:
2118 case SpvOpAtomicIAdd
:
2119 case SpvOpAtomicISub
:
2120 case SpvOpAtomicSMin
:
2121 case SpvOpAtomicUMin
:
2122 case SpvOpAtomicSMax
:
2123 case SpvOpAtomicUMax
:
2124 case SpvOpAtomicAnd
:
2126 case SpvOpAtomicXor
:
2127 ptr
= vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
2130 case SpvOpAtomicStore
:
2131 ptr
= vtn_value(b
, w
[1], vtn_value_type_pointer
)->pointer
;
2135 unreachable("Invalid SPIR-V atomic");
2139 SpvScope scope = w[4];
2140 SpvMemorySemanticsMask semantics = w[5];
2143 if (ptr
->mode
== vtn_variable_mode_workgroup
) {
2144 nir_deref_var
*deref
= vtn_pointer_to_deref(b
, ptr
);
2145 const struct glsl_type
*deref_type
= nir_deref_tail(&deref
->deref
)->type
;
2146 nir_intrinsic_op op
= get_shared_nir_atomic_op(opcode
);
2147 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2148 atomic
->variables
[0] = nir_deref_var_clone(deref
, atomic
);
2151 case SpvOpAtomicLoad
:
2152 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2155 case SpvOpAtomicStore
:
2156 atomic
->num_components
= glsl_get_vector_elements(deref_type
);
2157 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2158 atomic
->src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2161 case SpvOpAtomicExchange
:
2162 case SpvOpAtomicCompareExchange
:
2163 case SpvOpAtomicCompareExchangeWeak
:
2164 case SpvOpAtomicIIncrement
:
2165 case SpvOpAtomicIDecrement
:
2166 case SpvOpAtomicIAdd
:
2167 case SpvOpAtomicISub
:
2168 case SpvOpAtomicSMin
:
2169 case SpvOpAtomicUMin
:
2170 case SpvOpAtomicSMax
:
2171 case SpvOpAtomicUMax
:
2172 case SpvOpAtomicAnd
:
2174 case SpvOpAtomicXor
:
2175 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[0]);
2179 unreachable("Invalid SPIR-V atomic");
2183 assert(ptr
->mode
== vtn_variable_mode_ssbo
);
2184 nir_ssa_def
*offset
, *index
;
2185 offset
= vtn_pointer_to_offset(b
, ptr
, &index
, NULL
);
2187 nir_intrinsic_op op
= get_ssbo_nir_atomic_op(opcode
);
2189 atomic
= nir_intrinsic_instr_create(b
->nb
.shader
, op
);
2192 case SpvOpAtomicLoad
:
2193 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2194 atomic
->src
[0] = nir_src_for_ssa(index
);
2195 atomic
->src
[1] = nir_src_for_ssa(offset
);
2198 case SpvOpAtomicStore
:
2199 atomic
->num_components
= glsl_get_vector_elements(ptr
->type
->type
);
2200 nir_intrinsic_set_write_mask(atomic
, (1 << atomic
->num_components
) - 1);
2201 atomic
->src
[0] = nir_src_for_ssa(vtn_ssa_value(b
, w
[4])->def
);
2202 atomic
->src
[1] = nir_src_for_ssa(index
);
2203 atomic
->src
[2] = nir_src_for_ssa(offset
);
2206 case SpvOpAtomicExchange
:
2207 case SpvOpAtomicCompareExchange
:
2208 case SpvOpAtomicCompareExchangeWeak
:
2209 case SpvOpAtomicIIncrement
:
2210 case SpvOpAtomicIDecrement
:
2211 case SpvOpAtomicIAdd
:
2212 case SpvOpAtomicISub
:
2213 case SpvOpAtomicSMin
:
2214 case SpvOpAtomicUMin
:
2215 case SpvOpAtomicSMax
:
2216 case SpvOpAtomicUMax
:
2217 case SpvOpAtomicAnd
:
2219 case SpvOpAtomicXor
:
2220 atomic
->src
[0] = nir_src_for_ssa(index
);
2221 atomic
->src
[1] = nir_src_for_ssa(offset
);
2222 fill_common_atomic_sources(b
, opcode
, w
, &atomic
->src
[2]);
2226 unreachable("Invalid SPIR-V atomic");
2230 if (opcode
!= SpvOpAtomicStore
) {
2231 struct vtn_type
*type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
2233 nir_ssa_dest_init(&atomic
->instr
, &atomic
->dest
,
2234 glsl_get_vector_elements(type
->type
),
2235 glsl_get_bit_size(type
->type
), NULL
);
2237 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2238 val
->ssa
= rzalloc(b
, struct vtn_ssa_value
);
2239 val
->ssa
->def
= &atomic
->dest
.ssa
;
2240 val
->ssa
->type
= type
->type
;
2243 nir_builder_instr_insert(&b
->nb
, &atomic
->instr
);
2246 static nir_alu_instr
*
2247 create_vec(nir_shader
*shader
, unsigned num_components
, unsigned bit_size
)
2250 switch (num_components
) {
2251 case 1: op
= nir_op_fmov
; break;
2252 case 2: op
= nir_op_vec2
; break;
2253 case 3: op
= nir_op_vec3
; break;
2254 case 4: op
= nir_op_vec4
; break;
2255 default: unreachable("bad vector size");
2258 nir_alu_instr
*vec
= nir_alu_instr_create(shader
, op
);
2259 nir_ssa_dest_init(&vec
->instr
, &vec
->dest
.dest
, num_components
,
2261 vec
->dest
.write_mask
= (1 << num_components
) - 1;
2266 struct vtn_ssa_value
*
2267 vtn_ssa_transpose(struct vtn_builder
*b
, struct vtn_ssa_value
*src
)
2269 if (src
->transposed
)
2270 return src
->transposed
;
2272 struct vtn_ssa_value
*dest
=
2273 vtn_create_ssa_value(b
, glsl_transposed_type(src
->type
));
2275 for (unsigned i
= 0; i
< glsl_get_matrix_columns(dest
->type
); i
++) {
2276 nir_alu_instr
*vec
= create_vec(b
->shader
,
2277 glsl_get_matrix_columns(src
->type
),
2278 glsl_get_bit_size(src
->type
));
2279 if (glsl_type_is_vector_or_scalar(src
->type
)) {
2280 vec
->src
[0].src
= nir_src_for_ssa(src
->def
);
2281 vec
->src
[0].swizzle
[0] = i
;
2283 for (unsigned j
= 0; j
< glsl_get_matrix_columns(src
->type
); j
++) {
2284 vec
->src
[j
].src
= nir_src_for_ssa(src
->elems
[j
]->def
);
2285 vec
->src
[j
].swizzle
[0] = i
;
2288 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2289 dest
->elems
[i
]->def
= &vec
->dest
.dest
.ssa
;
2292 dest
->transposed
= src
;
2298 vtn_vector_extract(struct vtn_builder
*b
, nir_ssa_def
*src
, unsigned index
)
2300 unsigned swiz
[4] = { index
};
2301 return nir_swizzle(&b
->nb
, src
, swiz
, 1, true);
2305 vtn_vector_insert(struct vtn_builder
*b
, nir_ssa_def
*src
, nir_ssa_def
*insert
,
2308 nir_alu_instr
*vec
= create_vec(b
->shader
, src
->num_components
,
2311 for (unsigned i
= 0; i
< src
->num_components
; i
++) {
2313 vec
->src
[i
].src
= nir_src_for_ssa(insert
);
2315 vec
->src
[i
].src
= nir_src_for_ssa(src
);
2316 vec
->src
[i
].swizzle
[0] = i
;
2320 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2322 return &vec
->dest
.dest
.ssa
;
2326 vtn_vector_extract_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
2329 nir_ssa_def
*dest
= vtn_vector_extract(b
, src
, 0);
2330 for (unsigned i
= 1; i
< src
->num_components
; i
++)
2331 dest
= nir_bcsel(&b
->nb
, nir_ieq(&b
->nb
, index
, nir_imm_int(&b
->nb
, i
)),
2332 vtn_vector_extract(b
, src
, i
), dest
);
2338 vtn_vector_insert_dynamic(struct vtn_builder
*b
, nir_ssa_def
*src
,
2339 nir_ssa_def
*insert
, nir_ssa_def
*index
)
2341 nir_ssa_def
*dest
= vtn_vector_insert(b
, src
, insert
, 0);
2342 for (unsigned i
= 1; i
< src
->num_components
; i
++)
2343 dest
= nir_bcsel(&b
->nb
, nir_ieq(&b
->nb
, index
, nir_imm_int(&b
->nb
, i
)),
2344 vtn_vector_insert(b
, src
, insert
, i
), dest
);
2349 static nir_ssa_def
*
2350 vtn_vector_shuffle(struct vtn_builder
*b
, unsigned num_components
,
2351 nir_ssa_def
*src0
, nir_ssa_def
*src1
,
2352 const uint32_t *indices
)
2354 nir_alu_instr
*vec
= create_vec(b
->shader
, num_components
, src0
->bit_size
);
2356 for (unsigned i
= 0; i
< num_components
; i
++) {
2357 uint32_t index
= indices
[i
];
2358 if (index
== 0xffffffff) {
2360 nir_src_for_ssa(nir_ssa_undef(&b
->nb
, 1, src0
->bit_size
));
2361 } else if (index
< src0
->num_components
) {
2362 vec
->src
[i
].src
= nir_src_for_ssa(src0
);
2363 vec
->src
[i
].swizzle
[0] = index
;
2365 vec
->src
[i
].src
= nir_src_for_ssa(src1
);
2366 vec
->src
[i
].swizzle
[0] = index
- src0
->num_components
;
2370 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2372 return &vec
->dest
.dest
.ssa
;
2376 * Concatentates a number of vectors/scalars together to produce a vector
2378 static nir_ssa_def
*
2379 vtn_vector_construct(struct vtn_builder
*b
, unsigned num_components
,
2380 unsigned num_srcs
, nir_ssa_def
**srcs
)
2382 nir_alu_instr
*vec
= create_vec(b
->shader
, num_components
,
2385 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
2387 * "When constructing a vector, there must be at least two Constituent
2390 assert(num_srcs
>= 2);
2392 unsigned dest_idx
= 0;
2393 for (unsigned i
= 0; i
< num_srcs
; i
++) {
2394 nir_ssa_def
*src
= srcs
[i
];
2395 assert(dest_idx
+ src
->num_components
<= num_components
);
2396 for (unsigned j
= 0; j
< src
->num_components
; j
++) {
2397 vec
->src
[dest_idx
].src
= nir_src_for_ssa(src
);
2398 vec
->src
[dest_idx
].swizzle
[0] = j
;
2403 /* From the SPIR-V 1.1 spec for OpCompositeConstruct:
2405 * "When constructing a vector, the total number of components in all
2406 * the operands must equal the number of components in Result Type."
2408 assert(dest_idx
== num_components
);
2410 nir_builder_instr_insert(&b
->nb
, &vec
->instr
);
2412 return &vec
->dest
.dest
.ssa
;
2415 static struct vtn_ssa_value
*
2416 vtn_composite_copy(void *mem_ctx
, struct vtn_ssa_value
*src
)
2418 struct vtn_ssa_value
*dest
= rzalloc(mem_ctx
, struct vtn_ssa_value
);
2419 dest
->type
= src
->type
;
2421 if (glsl_type_is_vector_or_scalar(src
->type
)) {
2422 dest
->def
= src
->def
;
2424 unsigned elems
= glsl_get_length(src
->type
);
2426 dest
->elems
= ralloc_array(mem_ctx
, struct vtn_ssa_value
*, elems
);
2427 for (unsigned i
= 0; i
< elems
; i
++)
2428 dest
->elems
[i
] = vtn_composite_copy(mem_ctx
, src
->elems
[i
]);
2434 static struct vtn_ssa_value
*
2435 vtn_composite_insert(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
2436 struct vtn_ssa_value
*insert
, const uint32_t *indices
,
2437 unsigned num_indices
)
2439 struct vtn_ssa_value
*dest
= vtn_composite_copy(b
, src
);
2441 struct vtn_ssa_value
*cur
= dest
;
2443 for (i
= 0; i
< num_indices
- 1; i
++) {
2444 cur
= cur
->elems
[indices
[i
]];
2447 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
2448 /* According to the SPIR-V spec, OpCompositeInsert may work down to
2449 * the component granularity. In that case, the last index will be
2450 * the index to insert the scalar into the vector.
2453 cur
->def
= vtn_vector_insert(b
, cur
->def
, insert
->def
, indices
[i
]);
2455 cur
->elems
[indices
[i
]] = insert
;
2461 static struct vtn_ssa_value
*
2462 vtn_composite_extract(struct vtn_builder
*b
, struct vtn_ssa_value
*src
,
2463 const uint32_t *indices
, unsigned num_indices
)
2465 struct vtn_ssa_value
*cur
= src
;
2466 for (unsigned i
= 0; i
< num_indices
; i
++) {
2467 if (glsl_type_is_vector_or_scalar(cur
->type
)) {
2468 assert(i
== num_indices
- 1);
2469 /* According to the SPIR-V spec, OpCompositeExtract may work down to
2470 * the component granularity. The last index will be the index of the
2471 * vector to extract.
2474 struct vtn_ssa_value
*ret
= rzalloc(b
, struct vtn_ssa_value
);
2475 ret
->type
= glsl_scalar_type(glsl_get_base_type(cur
->type
));
2476 ret
->def
= vtn_vector_extract(b
, cur
->def
, indices
[i
]);
2479 cur
= cur
->elems
[indices
[i
]];
2487 vtn_handle_composite(struct vtn_builder
*b
, SpvOp opcode
,
2488 const uint32_t *w
, unsigned count
)
2490 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_ssa
);
2491 const struct glsl_type
*type
=
2492 vtn_value(b
, w
[1], vtn_value_type_type
)->type
->type
;
2493 val
->ssa
= vtn_create_ssa_value(b
, type
);
2496 case SpvOpVectorExtractDynamic
:
2497 val
->ssa
->def
= vtn_vector_extract_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
2498 vtn_ssa_value(b
, w
[4])->def
);
2501 case SpvOpVectorInsertDynamic
:
2502 val
->ssa
->def
= vtn_vector_insert_dynamic(b
, vtn_ssa_value(b
, w
[3])->def
,
2503 vtn_ssa_value(b
, w
[4])->def
,
2504 vtn_ssa_value(b
, w
[5])->def
);
2507 case SpvOpVectorShuffle
:
2508 val
->ssa
->def
= vtn_vector_shuffle(b
, glsl_get_vector_elements(type
),
2509 vtn_ssa_value(b
, w
[3])->def
,
2510 vtn_ssa_value(b
, w
[4])->def
,
2514 case SpvOpCompositeConstruct
: {
2515 unsigned elems
= count
- 3;
2516 if (glsl_type_is_vector_or_scalar(type
)) {
2517 nir_ssa_def
*srcs
[4];
2518 for (unsigned i
= 0; i
< elems
; i
++)
2519 srcs
[i
] = vtn_ssa_value(b
, w
[3 + i
])->def
;
2521 vtn_vector_construct(b
, glsl_get_vector_elements(type
),
2524 val
->ssa
->elems
= ralloc_array(b
, struct vtn_ssa_value
*, elems
);
2525 for (unsigned i
= 0; i
< elems
; i
++)
2526 val
->ssa
->elems
[i
] = vtn_ssa_value(b
, w
[3 + i
]);
2530 case SpvOpCompositeExtract
:
2531 val
->ssa
= vtn_composite_extract(b
, vtn_ssa_value(b
, w
[3]),
2535 case SpvOpCompositeInsert
:
2536 val
->ssa
= vtn_composite_insert(b
, vtn_ssa_value(b
, w
[4]),
2537 vtn_ssa_value(b
, w
[3]),
2541 case SpvOpCopyObject
:
2542 val
->ssa
= vtn_composite_copy(b
, vtn_ssa_value(b
, w
[3]));
2546 unreachable("unknown composite operation");
2551 vtn_handle_barrier(struct vtn_builder
*b
, SpvOp opcode
,
2552 const uint32_t *w
, unsigned count
)
2554 nir_intrinsic_op intrinsic_op
;
2556 case SpvOpEmitVertex
:
2557 case SpvOpEmitStreamVertex
:
2558 intrinsic_op
= nir_intrinsic_emit_vertex
;
2560 case SpvOpEndPrimitive
:
2561 case SpvOpEndStreamPrimitive
:
2562 intrinsic_op
= nir_intrinsic_end_primitive
;
2564 case SpvOpMemoryBarrier
:
2565 intrinsic_op
= nir_intrinsic_memory_barrier
;
2567 case SpvOpControlBarrier
:
2568 intrinsic_op
= nir_intrinsic_barrier
;
2571 unreachable("unknown barrier instruction");
2574 nir_intrinsic_instr
*intrin
=
2575 nir_intrinsic_instr_create(b
->shader
, intrinsic_op
);
2577 if (opcode
== SpvOpEmitStreamVertex
|| opcode
== SpvOpEndStreamPrimitive
)
2578 nir_intrinsic_set_stream_id(intrin
, w
[1]);
2580 nir_builder_instr_insert(&b
->nb
, &intrin
->instr
);
2584 gl_primitive_from_spv_execution_mode(SpvExecutionMode mode
)
2587 case SpvExecutionModeInputPoints
:
2588 case SpvExecutionModeOutputPoints
:
2589 return 0; /* GL_POINTS */
2590 case SpvExecutionModeInputLines
:
2591 return 1; /* GL_LINES */
2592 case SpvExecutionModeInputLinesAdjacency
:
2593 return 0x000A; /* GL_LINE_STRIP_ADJACENCY_ARB */
2594 case SpvExecutionModeTriangles
:
2595 return 4; /* GL_TRIANGLES */
2596 case SpvExecutionModeInputTrianglesAdjacency
:
2597 return 0x000C; /* GL_TRIANGLES_ADJACENCY_ARB */
2598 case SpvExecutionModeQuads
:
2599 return 7; /* GL_QUADS */
2600 case SpvExecutionModeIsolines
:
2601 return 0x8E7A; /* GL_ISOLINES */
2602 case SpvExecutionModeOutputLineStrip
:
2603 return 3; /* GL_LINE_STRIP */
2604 case SpvExecutionModeOutputTriangleStrip
:
2605 return 5; /* GL_TRIANGLE_STRIP */
2607 assert(!"Invalid primitive type");
2613 vertices_in_from_spv_execution_mode(SpvExecutionMode mode
)
2616 case SpvExecutionModeInputPoints
:
2618 case SpvExecutionModeInputLines
:
2620 case SpvExecutionModeInputLinesAdjacency
:
2622 case SpvExecutionModeTriangles
:
2624 case SpvExecutionModeInputTrianglesAdjacency
:
2627 assert(!"Invalid GS input mode");
2632 static gl_shader_stage
2633 stage_for_execution_model(SpvExecutionModel model
)
2636 case SpvExecutionModelVertex
:
2637 return MESA_SHADER_VERTEX
;
2638 case SpvExecutionModelTessellationControl
:
2639 return MESA_SHADER_TESS_CTRL
;
2640 case SpvExecutionModelTessellationEvaluation
:
2641 return MESA_SHADER_TESS_EVAL
;
2642 case SpvExecutionModelGeometry
:
2643 return MESA_SHADER_GEOMETRY
;
2644 case SpvExecutionModelFragment
:
2645 return MESA_SHADER_FRAGMENT
;
2646 case SpvExecutionModelGLCompute
:
2647 return MESA_SHADER_COMPUTE
;
2649 unreachable("Unsupported execution model");
2653 #define spv_check_supported(name, cap) do { \
2654 if (!(b->ext && b->ext->name)) \
2655 vtn_warn("Unsupported SPIR-V capability: %s", \
2656 spirv_capability_to_string(cap)); \
2660 vtn_handle_preamble_instruction(struct vtn_builder
*b
, SpvOp opcode
,
2661 const uint32_t *w
, unsigned count
)
2665 case SpvOpSourceExtension
:
2666 case SpvOpSourceContinued
:
2667 case SpvOpExtension
:
2668 /* Unhandled, but these are for debug so that's ok. */
2671 case SpvOpCapability
: {
2672 SpvCapability cap
= w
[1];
2674 case SpvCapabilityMatrix
:
2675 case SpvCapabilityShader
:
2676 case SpvCapabilityGeometry
:
2677 case SpvCapabilityGeometryPointSize
:
2678 case SpvCapabilityUniformBufferArrayDynamicIndexing
:
2679 case SpvCapabilitySampledImageArrayDynamicIndexing
:
2680 case SpvCapabilityStorageBufferArrayDynamicIndexing
:
2681 case SpvCapabilityStorageImageArrayDynamicIndexing
:
2682 case SpvCapabilityImageRect
:
2683 case SpvCapabilitySampledRect
:
2684 case SpvCapabilitySampled1D
:
2685 case SpvCapabilityImage1D
:
2686 case SpvCapabilitySampledCubeArray
:
2687 case SpvCapabilitySampledBuffer
:
2688 case SpvCapabilityImageBuffer
:
2689 case SpvCapabilityImageQuery
:
2690 case SpvCapabilityDerivativeControl
:
2691 case SpvCapabilityInterpolationFunction
:
2692 case SpvCapabilityMultiViewport
:
2693 case SpvCapabilitySampleRateShading
:
2694 case SpvCapabilityClipDistance
:
2695 case SpvCapabilityCullDistance
:
2696 case SpvCapabilityInputAttachment
:
2697 case SpvCapabilityImageGatherExtended
:
2698 case SpvCapabilityStorageImageExtendedFormats
:
2701 case SpvCapabilityGeometryStreams
:
2702 case SpvCapabilityLinkage
:
2703 case SpvCapabilityVector16
:
2704 case SpvCapabilityFloat16Buffer
:
2705 case SpvCapabilityFloat16
:
2706 case SpvCapabilityInt64Atomics
:
2707 case SpvCapabilityAtomicStorage
:
2708 case SpvCapabilityInt16
:
2709 case SpvCapabilityStorageImageMultisample
:
2710 case SpvCapabilityImageCubeArray
:
2711 case SpvCapabilityInt8
:
2712 case SpvCapabilitySparseResidency
:
2713 case SpvCapabilityMinLod
:
2714 case SpvCapabilityTransformFeedback
:
2715 vtn_warn("Unsupported SPIR-V capability: %s",
2716 spirv_capability_to_string(cap
));
2719 case SpvCapabilityFloat64
:
2720 spv_check_supported(float64
, cap
);
2722 case SpvCapabilityInt64
:
2723 spv_check_supported(int64
, cap
);
2726 case SpvCapabilityAddresses
:
2727 case SpvCapabilityKernel
:
2728 case SpvCapabilityImageBasic
:
2729 case SpvCapabilityImageReadWrite
:
2730 case SpvCapabilityImageMipmap
:
2731 case SpvCapabilityPipes
:
2732 case SpvCapabilityGroups
:
2733 case SpvCapabilityDeviceEnqueue
:
2734 case SpvCapabilityLiteralSampler
:
2735 case SpvCapabilityGenericPointer
:
2736 vtn_warn("Unsupported OpenCL-style SPIR-V capability: %s",
2737 spirv_capability_to_string(cap
));
2740 case SpvCapabilityImageMSArray
:
2741 spv_check_supported(image_ms_array
, cap
);
2744 case SpvCapabilityTessellation
:
2745 case SpvCapabilityTessellationPointSize
:
2746 spv_check_supported(tessellation
, cap
);
2749 case SpvCapabilityDrawParameters
:
2750 spv_check_supported(draw_parameters
, cap
);
2753 case SpvCapabilityStorageImageReadWithoutFormat
:
2754 spv_check_supported(image_read_without_format
, cap
);
2757 case SpvCapabilityStorageImageWriteWithoutFormat
:
2758 spv_check_supported(image_write_without_format
, cap
);
2761 case SpvCapabilityMultiView
:
2762 spv_check_supported(multiview
, cap
);
2766 unreachable("Unhandled capability");
2771 case SpvOpExtInstImport
:
2772 vtn_handle_extension(b
, opcode
, w
, count
);
2775 case SpvOpMemoryModel
:
2776 assert(w
[1] == SpvAddressingModelLogical
);
2777 assert(w
[2] == SpvMemoryModelGLSL450
);
2780 case SpvOpEntryPoint
: {
2781 struct vtn_value
*entry_point
= &b
->values
[w
[2]];
2782 /* Let this be a name label regardless */
2783 unsigned name_words
;
2784 entry_point
->name
= vtn_string_literal(b
, &w
[3], count
- 3, &name_words
);
2786 if (strcmp(entry_point
->name
, b
->entry_point_name
) != 0 ||
2787 stage_for_execution_model(w
[1]) != b
->entry_point_stage
)
2790 assert(b
->entry_point
== NULL
);
2791 b
->entry_point
= entry_point
;
2796 vtn_push_value(b
, w
[1], vtn_value_type_string
)->str
=
2797 vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
2801 b
->values
[w
[1]].name
= vtn_string_literal(b
, &w
[2], count
- 2, NULL
);
2804 case SpvOpMemberName
:
2808 case SpvOpExecutionMode
:
2809 case SpvOpDecorationGroup
:
2811 case SpvOpMemberDecorate
:
2812 case SpvOpGroupDecorate
:
2813 case SpvOpGroupMemberDecorate
:
2814 vtn_handle_decoration(b
, opcode
, w
, count
);
2818 return false; /* End of preamble */
2825 vtn_handle_execution_mode(struct vtn_builder
*b
, struct vtn_value
*entry_point
,
2826 const struct vtn_decoration
*mode
, void *data
)
2828 assert(b
->entry_point
== entry_point
);
2830 switch(mode
->exec_mode
) {
2831 case SpvExecutionModeOriginUpperLeft
:
2832 case SpvExecutionModeOriginLowerLeft
:
2833 b
->origin_upper_left
=
2834 (mode
->exec_mode
== SpvExecutionModeOriginUpperLeft
);
2837 case SpvExecutionModeEarlyFragmentTests
:
2838 assert(b
->shader
->stage
== MESA_SHADER_FRAGMENT
);
2839 b
->shader
->info
.fs
.early_fragment_tests
= true;
2842 case SpvExecutionModeInvocations
:
2843 assert(b
->shader
->stage
== MESA_SHADER_GEOMETRY
);
2844 b
->shader
->info
.gs
.invocations
= MAX2(1, mode
->literals
[0]);
2847 case SpvExecutionModeDepthReplacing
:
2848 assert(b
->shader
->stage
== MESA_SHADER_FRAGMENT
);
2849 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_ANY
;
2851 case SpvExecutionModeDepthGreater
:
2852 assert(b
->shader
->stage
== MESA_SHADER_FRAGMENT
);
2853 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_GREATER
;
2855 case SpvExecutionModeDepthLess
:
2856 assert(b
->shader
->stage
== MESA_SHADER_FRAGMENT
);
2857 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_LESS
;
2859 case SpvExecutionModeDepthUnchanged
:
2860 assert(b
->shader
->stage
== MESA_SHADER_FRAGMENT
);
2861 b
->shader
->info
.fs
.depth_layout
= FRAG_DEPTH_LAYOUT_UNCHANGED
;
2864 case SpvExecutionModeLocalSize
:
2865 assert(b
->shader
->stage
== MESA_SHADER_COMPUTE
);
2866 b
->shader
->info
.cs
.local_size
[0] = mode
->literals
[0];
2867 b
->shader
->info
.cs
.local_size
[1] = mode
->literals
[1];
2868 b
->shader
->info
.cs
.local_size
[2] = mode
->literals
[2];
2870 case SpvExecutionModeLocalSizeHint
:
2871 break; /* Nothing to do with this */
2873 case SpvExecutionModeOutputVertices
:
2874 if (b
->shader
->stage
== MESA_SHADER_TESS_CTRL
||
2875 b
->shader
->stage
== MESA_SHADER_TESS_EVAL
) {
2876 b
->shader
->info
.tess
.tcs_vertices_out
= mode
->literals
[0];
2878 assert(b
->shader
->stage
== MESA_SHADER_GEOMETRY
);
2879 b
->shader
->info
.gs
.vertices_out
= mode
->literals
[0];
2883 case SpvExecutionModeInputPoints
:
2884 case SpvExecutionModeInputLines
:
2885 case SpvExecutionModeInputLinesAdjacency
:
2886 case SpvExecutionModeTriangles
:
2887 case SpvExecutionModeInputTrianglesAdjacency
:
2888 case SpvExecutionModeQuads
:
2889 case SpvExecutionModeIsolines
:
2890 if (b
->shader
->stage
== MESA_SHADER_TESS_CTRL
||
2891 b
->shader
->stage
== MESA_SHADER_TESS_EVAL
) {
2892 b
->shader
->info
.tess
.primitive_mode
=
2893 gl_primitive_from_spv_execution_mode(mode
->exec_mode
);
2895 assert(b
->shader
->stage
== MESA_SHADER_GEOMETRY
);
2896 b
->shader
->info
.gs
.vertices_in
=
2897 vertices_in_from_spv_execution_mode(mode
->exec_mode
);
2901 case SpvExecutionModeOutputPoints
:
2902 case SpvExecutionModeOutputLineStrip
:
2903 case SpvExecutionModeOutputTriangleStrip
:
2904 assert(b
->shader
->stage
== MESA_SHADER_GEOMETRY
);
2905 b
->shader
->info
.gs
.output_primitive
=
2906 gl_primitive_from_spv_execution_mode(mode
->exec_mode
);
2909 case SpvExecutionModeSpacingEqual
:
2910 assert(b
->shader
->stage
== MESA_SHADER_TESS_CTRL
||
2911 b
->shader
->stage
== MESA_SHADER_TESS_EVAL
);
2912 b
->shader
->info
.tess
.spacing
= TESS_SPACING_EQUAL
;
2914 case SpvExecutionModeSpacingFractionalEven
:
2915 assert(b
->shader
->stage
== MESA_SHADER_TESS_CTRL
||
2916 b
->shader
->stage
== MESA_SHADER_TESS_EVAL
);
2917 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_EVEN
;
2919 case SpvExecutionModeSpacingFractionalOdd
:
2920 assert(b
->shader
->stage
== MESA_SHADER_TESS_CTRL
||
2921 b
->shader
->stage
== MESA_SHADER_TESS_EVAL
);
2922 b
->shader
->info
.tess
.spacing
= TESS_SPACING_FRACTIONAL_ODD
;
2924 case SpvExecutionModeVertexOrderCw
:
2925 assert(b
->shader
->stage
== MESA_SHADER_TESS_CTRL
||
2926 b
->shader
->stage
== MESA_SHADER_TESS_EVAL
);
2927 /* Vulkan's notion of CCW seems to match the hardware backends,
2928 * but be the opposite of OpenGL. Currently NIR follows GL semantics,
2929 * so we set it backwards here.
2931 b
->shader
->info
.tess
.ccw
= true;
2933 case SpvExecutionModeVertexOrderCcw
:
2934 assert(b
->shader
->stage
== MESA_SHADER_TESS_CTRL
||
2935 b
->shader
->stage
== MESA_SHADER_TESS_EVAL
);
2936 /* Backwards; see above */
2937 b
->shader
->info
.tess
.ccw
= false;
2939 case SpvExecutionModePointMode
:
2940 assert(b
->shader
->stage
== MESA_SHADER_TESS_CTRL
||
2941 b
->shader
->stage
== MESA_SHADER_TESS_EVAL
);
2942 b
->shader
->info
.tess
.point_mode
= true;
2945 case SpvExecutionModePixelCenterInteger
:
2946 b
->pixel_center_integer
= true;
2949 case SpvExecutionModeXfb
:
2950 assert(!"Unhandled execution mode");
2953 case SpvExecutionModeVecTypeHint
:
2954 case SpvExecutionModeContractionOff
:
2958 unreachable("Unhandled execution mode");
2963 vtn_handle_variable_or_type_instruction(struct vtn_builder
*b
, SpvOp opcode
,
2964 const uint32_t *w
, unsigned count
)
2968 case SpvOpSourceContinued
:
2969 case SpvOpSourceExtension
:
2970 case SpvOpExtension
:
2971 case SpvOpCapability
:
2972 case SpvOpExtInstImport
:
2973 case SpvOpMemoryModel
:
2974 case SpvOpEntryPoint
:
2975 case SpvOpExecutionMode
:
2978 case SpvOpMemberName
:
2979 case SpvOpDecorationGroup
:
2981 case SpvOpMemberDecorate
:
2982 case SpvOpGroupDecorate
:
2983 case SpvOpGroupMemberDecorate
:
2984 assert(!"Invalid opcode types and variables section");
2990 case SpvOpTypeFloat
:
2991 case SpvOpTypeVector
:
2992 case SpvOpTypeMatrix
:
2993 case SpvOpTypeImage
:
2994 case SpvOpTypeSampler
:
2995 case SpvOpTypeSampledImage
:
2996 case SpvOpTypeArray
:
2997 case SpvOpTypeRuntimeArray
:
2998 case SpvOpTypeStruct
:
2999 case SpvOpTypeOpaque
:
3000 case SpvOpTypePointer
:
3001 case SpvOpTypeFunction
:
3002 case SpvOpTypeEvent
:
3003 case SpvOpTypeDeviceEvent
:
3004 case SpvOpTypeReserveId
:
3005 case SpvOpTypeQueue
:
3007 vtn_handle_type(b
, opcode
, w
, count
);
3010 case SpvOpConstantTrue
:
3011 case SpvOpConstantFalse
:
3013 case SpvOpConstantComposite
:
3014 case SpvOpConstantSampler
:
3015 case SpvOpConstantNull
:
3016 case SpvOpSpecConstantTrue
:
3017 case SpvOpSpecConstantFalse
:
3018 case SpvOpSpecConstant
:
3019 case SpvOpSpecConstantComposite
:
3020 case SpvOpSpecConstantOp
:
3021 vtn_handle_constant(b
, opcode
, w
, count
);
3026 vtn_handle_variables(b
, opcode
, w
, count
);
3030 return false; /* End of preamble */
3037 vtn_handle_body_instruction(struct vtn_builder
*b
, SpvOp opcode
,
3038 const uint32_t *w
, unsigned count
)
3044 case SpvOpLoopMerge
:
3045 case SpvOpSelectionMerge
:
3046 /* This is handled by cfg pre-pass and walk_blocks */
3050 struct vtn_value
*val
= vtn_push_value(b
, w
[2], vtn_value_type_undef
);
3051 val
->type
= vtn_value(b
, w
[1], vtn_value_type_type
)->type
;
3056 vtn_handle_extension(b
, opcode
, w
, count
);
3062 case SpvOpCopyMemory
:
3063 case SpvOpCopyMemorySized
:
3064 case SpvOpAccessChain
:
3065 case SpvOpInBoundsAccessChain
:
3066 case SpvOpArrayLength
:
3067 vtn_handle_variables(b
, opcode
, w
, count
);
3070 case SpvOpFunctionCall
:
3071 vtn_handle_function_call(b
, opcode
, w
, count
);
3074 case SpvOpSampledImage
:
3076 case SpvOpImageSampleImplicitLod
:
3077 case SpvOpImageSampleExplicitLod
:
3078 case SpvOpImageSampleDrefImplicitLod
:
3079 case SpvOpImageSampleDrefExplicitLod
:
3080 case SpvOpImageSampleProjImplicitLod
:
3081 case SpvOpImageSampleProjExplicitLod
:
3082 case SpvOpImageSampleProjDrefImplicitLod
:
3083 case SpvOpImageSampleProjDrefExplicitLod
:
3084 case SpvOpImageFetch
:
3085 case SpvOpImageGather
:
3086 case SpvOpImageDrefGather
:
3087 case SpvOpImageQuerySizeLod
:
3088 case SpvOpImageQueryLod
:
3089 case SpvOpImageQueryLevels
:
3090 case SpvOpImageQuerySamples
:
3091 vtn_handle_texture(b
, opcode
, w
, count
);
3094 case SpvOpImageRead
:
3095 case SpvOpImageWrite
:
3096 case SpvOpImageTexelPointer
:
3097 vtn_handle_image(b
, opcode
, w
, count
);
3100 case SpvOpImageQuerySize
: {
3101 struct vtn_pointer
*image
=
3102 vtn_value(b
, w
[3], vtn_value_type_pointer
)->pointer
;
3103 if (image
->mode
== vtn_variable_mode_image
) {
3104 vtn_handle_image(b
, opcode
, w
, count
);
3106 assert(image
->mode
== vtn_variable_mode_sampler
);
3107 vtn_handle_texture(b
, opcode
, w
, count
);
3112 case SpvOpAtomicLoad
:
3113 case SpvOpAtomicExchange
:
3114 case SpvOpAtomicCompareExchange
:
3115 case SpvOpAtomicCompareExchangeWeak
:
3116 case SpvOpAtomicIIncrement
:
3117 case SpvOpAtomicIDecrement
:
3118 case SpvOpAtomicIAdd
:
3119 case SpvOpAtomicISub
:
3120 case SpvOpAtomicSMin
:
3121 case SpvOpAtomicUMin
:
3122 case SpvOpAtomicSMax
:
3123 case SpvOpAtomicUMax
:
3124 case SpvOpAtomicAnd
:
3126 case SpvOpAtomicXor
: {
3127 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[3]);
3128 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
3129 vtn_handle_image(b
, opcode
, w
, count
);
3131 assert(pointer
->value_type
== vtn_value_type_pointer
);
3132 vtn_handle_ssbo_or_shared_atomic(b
, opcode
, w
, count
);
3137 case SpvOpAtomicStore
: {
3138 struct vtn_value
*pointer
= vtn_untyped_value(b
, w
[1]);
3139 if (pointer
->value_type
== vtn_value_type_image_pointer
) {
3140 vtn_handle_image(b
, opcode
, w
, count
);
3142 assert(pointer
->value_type
== vtn_value_type_pointer
);
3143 vtn_handle_ssbo_or_shared_atomic(b
, opcode
, w
, count
);
3153 case SpvOpConvertFToU
:
3154 case SpvOpConvertFToS
:
3155 case SpvOpConvertSToF
:
3156 case SpvOpConvertUToF
:
3160 case SpvOpQuantizeToF16
:
3161 case SpvOpConvertPtrToU
:
3162 case SpvOpConvertUToPtr
:
3163 case SpvOpPtrCastToGeneric
:
3164 case SpvOpGenericCastToPtr
:
3170 case SpvOpSignBitSet
:
3171 case SpvOpLessOrGreater
:
3173 case SpvOpUnordered
:
3188 case SpvOpVectorTimesScalar
:
3190 case SpvOpIAddCarry
:
3191 case SpvOpISubBorrow
:
3192 case SpvOpUMulExtended
:
3193 case SpvOpSMulExtended
:
3194 case SpvOpShiftRightLogical
:
3195 case SpvOpShiftRightArithmetic
:
3196 case SpvOpShiftLeftLogical
:
3197 case SpvOpLogicalEqual
:
3198 case SpvOpLogicalNotEqual
:
3199 case SpvOpLogicalOr
:
3200 case SpvOpLogicalAnd
:
3201 case SpvOpLogicalNot
:
3202 case SpvOpBitwiseOr
:
3203 case SpvOpBitwiseXor
:
3204 case SpvOpBitwiseAnd
:
3207 case SpvOpFOrdEqual
:
3208 case SpvOpFUnordEqual
:
3209 case SpvOpINotEqual
:
3210 case SpvOpFOrdNotEqual
:
3211 case SpvOpFUnordNotEqual
:
3212 case SpvOpULessThan
:
3213 case SpvOpSLessThan
:
3214 case SpvOpFOrdLessThan
:
3215 case SpvOpFUnordLessThan
:
3216 case SpvOpUGreaterThan
:
3217 case SpvOpSGreaterThan
:
3218 case SpvOpFOrdGreaterThan
:
3219 case SpvOpFUnordGreaterThan
:
3220 case SpvOpULessThanEqual
:
3221 case SpvOpSLessThanEqual
:
3222 case SpvOpFOrdLessThanEqual
:
3223 case SpvOpFUnordLessThanEqual
:
3224 case SpvOpUGreaterThanEqual
:
3225 case SpvOpSGreaterThanEqual
:
3226 case SpvOpFOrdGreaterThanEqual
:
3227 case SpvOpFUnordGreaterThanEqual
:
3233 case SpvOpFwidthFine
:
3234 case SpvOpDPdxCoarse
:
3235 case SpvOpDPdyCoarse
:
3236 case SpvOpFwidthCoarse
:
3237 case SpvOpBitFieldInsert
:
3238 case SpvOpBitFieldSExtract
:
3239 case SpvOpBitFieldUExtract
:
3240 case SpvOpBitReverse
:
3242 case SpvOpTranspose
:
3243 case SpvOpOuterProduct
:
3244 case SpvOpMatrixTimesScalar
:
3245 case SpvOpVectorTimesMatrix
:
3246 case SpvOpMatrixTimesVector
:
3247 case SpvOpMatrixTimesMatrix
:
3248 vtn_handle_alu(b
, opcode
, w
, count
);
3251 case SpvOpVectorExtractDynamic
:
3252 case SpvOpVectorInsertDynamic
:
3253 case SpvOpVectorShuffle
:
3254 case SpvOpCompositeConstruct
:
3255 case SpvOpCompositeExtract
:
3256 case SpvOpCompositeInsert
:
3257 case SpvOpCopyObject
:
3258 vtn_handle_composite(b
, opcode
, w
, count
);
3261 case SpvOpEmitVertex
:
3262 case SpvOpEndPrimitive
:
3263 case SpvOpEmitStreamVertex
:
3264 case SpvOpEndStreamPrimitive
:
3265 case SpvOpControlBarrier
:
3266 case SpvOpMemoryBarrier
:
3267 vtn_handle_barrier(b
, opcode
, w
, count
);
3271 unreachable("Unhandled opcode");
3278 spirv_to_nir(const uint32_t *words
, size_t word_count
,
3279 struct nir_spirv_specialization
*spec
, unsigned num_spec
,
3280 gl_shader_stage stage
, const char *entry_point_name
,
3281 const struct nir_spirv_supported_extensions
*ext
,
3282 const nir_shader_compiler_options
*options
)
3284 const uint32_t *word_end
= words
+ word_count
;
3286 /* Handle the SPIR-V header (first 4 dwords) */
3287 assert(word_count
> 5);
3289 assert(words
[0] == SpvMagicNumber
);
3290 assert(words
[1] >= 0x10000);
3291 /* words[2] == generator magic */
3292 unsigned value_id_bound
= words
[3];
3293 assert(words
[4] == 0);
3297 /* Initialize the stn_builder object */
3298 struct vtn_builder
*b
= rzalloc(NULL
, struct vtn_builder
);
3299 b
->value_id_bound
= value_id_bound
;
3300 b
->values
= rzalloc_array(b
, struct vtn_value
, value_id_bound
);
3301 exec_list_make_empty(&b
->functions
);
3302 b
->entry_point_stage
= stage
;
3303 b
->entry_point_name
= entry_point_name
;
3306 /* Handle all the preamble instructions */
3307 words
= vtn_foreach_instruction(b
, words
, word_end
,
3308 vtn_handle_preamble_instruction
);
3310 if (b
->entry_point
== NULL
) {
3311 assert(!"Entry point not found");
3316 b
->shader
= nir_shader_create(NULL
, stage
, options
, NULL
);
3318 /* Set shader info defaults */
3319 b
->shader
->info
.gs
.invocations
= 1;
3321 /* Parse execution modes */
3322 vtn_foreach_execution_mode(b
, b
->entry_point
,
3323 vtn_handle_execution_mode
, NULL
);
3325 b
->specializations
= spec
;
3326 b
->num_specializations
= num_spec
;
3328 /* Handle all variable, type, and constant instructions */
3329 words
= vtn_foreach_instruction(b
, words
, word_end
,
3330 vtn_handle_variable_or_type_instruction
);
3332 vtn_build_cfg(b
, words
, word_end
);
3334 foreach_list_typed(struct vtn_function
, func
, node
, &b
->functions
) {
3335 b
->impl
= func
->impl
;
3336 b
->const_table
= _mesa_hash_table_create(b
, _mesa_hash_pointer
,
3337 _mesa_key_pointer_equal
);
3339 vtn_function_emit(b
, func
, vtn_handle_body_instruction
);
3342 assert(b
->entry_point
->value_type
== vtn_value_type_function
);
3343 nir_function
*entry_point
= b
->entry_point
->func
->impl
->function
;
3344 assert(entry_point
);