2 * Copyright © 2014 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 * Connor Abbott (cwabbott0@gmail.com)
28 #include "float64_glsl.h"
29 #include "glsl_to_nir.h"
30 #include "ir_visitor.h"
31 #include "ir_hierarchical_visitor.h"
34 #include "compiler/nir/nir_control_flow.h"
35 #include "compiler/nir/nir_builder.h"
36 #include "main/errors.h"
37 #include "main/imports.h"
38 #include "main/mtypes.h"
39 #include "main/shaderobj.h"
40 #include "util/u_math.h"
43 * pass to lower GLSL IR to NIR
45 * This will lower variable dereferences to loads/stores of corresponding
46 * variables in NIR - the variables will be converted to registers in a later
52 class nir_visitor
: public ir_visitor
55 nir_visitor(nir_shader
*shader
);
58 virtual void visit(ir_variable
*);
59 virtual void visit(ir_function
*);
60 virtual void visit(ir_function_signature
*);
61 virtual void visit(ir_loop
*);
62 virtual void visit(ir_if
*);
63 virtual void visit(ir_discard
*);
64 virtual void visit(ir_loop_jump
*);
65 virtual void visit(ir_return
*);
66 virtual void visit(ir_call
*);
67 virtual void visit(ir_assignment
*);
68 virtual void visit(ir_emit_vertex
*);
69 virtual void visit(ir_end_primitive
*);
70 virtual void visit(ir_expression
*);
71 virtual void visit(ir_swizzle
*);
72 virtual void visit(ir_texture
*);
73 virtual void visit(ir_constant
*);
74 virtual void visit(ir_dereference_variable
*);
75 virtual void visit(ir_dereference_record
*);
76 virtual void visit(ir_dereference_array
*);
77 virtual void visit(ir_barrier
*);
79 void create_function(ir_function_signature
*ir
);
82 void add_instr(nir_instr
*instr
, unsigned num_components
, unsigned bit_size
);
83 nir_ssa_def
*evaluate_rvalue(ir_rvalue
*ir
);
85 nir_alu_instr
*emit(nir_op op
, unsigned dest_size
, nir_ssa_def
**srcs
);
86 nir_alu_instr
*emit(nir_op op
, unsigned dest_size
, nir_ssa_def
*src1
);
87 nir_alu_instr
*emit(nir_op op
, unsigned dest_size
, nir_ssa_def
*src1
,
89 nir_alu_instr
*emit(nir_op op
, unsigned dest_size
, nir_ssa_def
*src1
,
90 nir_ssa_def
*src2
, nir_ssa_def
*src3
);
95 nir_function_impl
*impl
;
97 nir_ssa_def
*result
; /* result of the expression tree last visited */
99 nir_deref_instr
*evaluate_deref(ir_instruction
*ir
);
101 nir_constant
*constant_copy(ir_constant
*ir
, void *mem_ctx
);
103 /* most recent deref instruction created */
104 nir_deref_instr
*deref
;
106 /* whether the IR we're operating on is per-function or global */
109 ir_function_signature
*sig
;
111 /* map of ir_variable -> nir_variable */
112 struct hash_table
*var_table
;
114 /* map of ir_function_signature -> nir_function_overload */
115 struct hash_table
*overload_table
;
119 * This visitor runs before the main visitor, calling create_function() for
120 * each function so that the main visitor can resolve forward references in
124 class nir_function_visitor
: public ir_hierarchical_visitor
127 nir_function_visitor(nir_visitor
*v
) : visitor(v
)
130 virtual ir_visitor_status
visit_enter(ir_function
*);
133 nir_visitor
*visitor
;
136 } /* end of anonymous namespace */
139 glsl_to_nir(const struct gl_shader_program
*shader_prog
,
140 gl_shader_stage stage
,
141 const nir_shader_compiler_options
*options
)
143 struct gl_linked_shader
*sh
= shader_prog
->_LinkedShaders
[stage
];
145 nir_shader
*shader
= nir_shader_create(NULL
, stage
, options
,
148 nir_visitor
v1(shader
);
149 nir_function_visitor
v2(&v1
);
151 visit_exec_list(sh
->ir
, &v1
);
153 nir_lower_constant_initializers(shader
, (nir_variable_mode
)~0);
155 /* Remap the locations to slots so those requiring two slots will occupy
156 * two locations. For instance, if we have in the IR code a dvec3 attr0 in
157 * location 0 and vec4 attr1 in location 1, in NIR attr0 will use
158 * locations/slots 0 and 1, and attr1 will use location/slot 2 */
159 if (shader
->info
.stage
== MESA_SHADER_VERTEX
)
160 nir_remap_dual_slot_attributes(shader
, &sh
->Program
->DualSlotInputs
);
162 shader
->info
.name
= ralloc_asprintf(shader
, "GLSL%d", shader_prog
->Name
);
163 if (shader_prog
->Label
)
164 shader
->info
.label
= ralloc_strdup(shader
, shader_prog
->Label
);
166 /* Check for transform feedback varyings specified via the API */
167 shader
->info
.has_transform_feedback_varyings
=
168 shader_prog
->TransformFeedback
.NumVarying
> 0;
170 /* Check for transform feedback varyings specified in the Shader */
171 if (shader_prog
->last_vert_prog
)
172 shader
->info
.has_transform_feedback_varyings
|=
173 shader_prog
->last_vert_prog
->sh
.LinkedTransformFeedback
->NumVarying
> 0;
175 if (shader
->info
.stage
== MESA_SHADER_FRAGMENT
) {
176 shader
->info
.fs
.pixel_center_integer
= sh
->Program
->info
.fs
.pixel_center_integer
;
177 shader
->info
.fs
.origin_upper_left
= sh
->Program
->info
.fs
.origin_upper_left
;
183 nir_visitor::nir_visitor(nir_shader
*shader
)
185 this->supports_ints
= shader
->options
->native_integers
;
186 this->shader
= shader
;
187 this->is_global
= true;
188 this->var_table
= _mesa_pointer_hash_table_create(NULL
);
189 this->overload_table
= _mesa_pointer_hash_table_create(NULL
);
193 memset(&this->b
, 0, sizeof(this->b
));
196 nir_visitor::~nir_visitor()
198 _mesa_hash_table_destroy(this->var_table
, NULL
);
199 _mesa_hash_table_destroy(this->overload_table
, NULL
);
203 nir_visitor::evaluate_deref(ir_instruction
*ir
)
210 nir_visitor::constant_copy(ir_constant
*ir
, void *mem_ctx
)
215 nir_constant
*ret
= rzalloc(mem_ctx
, nir_constant
);
217 const unsigned rows
= ir
->type
->vector_elements
;
218 const unsigned cols
= ir
->type
->matrix_columns
;
221 ret
->num_elements
= 0;
222 switch (ir
->type
->base_type
) {
224 /* Only float base types can be matrices. */
227 for (unsigned r
= 0; r
< rows
; r
++)
229 ret
->values
[0].u32
[r
] = ir
->value
.u
[r
];
231 ret
->values
[0].f32
[r
] = ir
->value
.u
[r
];
236 /* Only float base types can be matrices. */
239 for (unsigned r
= 0; r
< rows
; r
++)
241 ret
->values
[0].i32
[r
] = ir
->value
.i
[r
];
243 ret
->values
[0].f32
[r
] = ir
->value
.i
[r
];
247 case GLSL_TYPE_FLOAT
:
248 for (unsigned c
= 0; c
< cols
; c
++) {
249 for (unsigned r
= 0; r
< rows
; r
++)
250 ret
->values
[c
].f32
[r
] = ir
->value
.f
[c
* rows
+ r
];
254 case GLSL_TYPE_DOUBLE
:
255 for (unsigned c
= 0; c
< cols
; c
++) {
256 for (unsigned r
= 0; r
< rows
; r
++)
257 ret
->values
[c
].f64
[r
] = ir
->value
.d
[c
* rows
+ r
];
261 case GLSL_TYPE_UINT64
:
262 /* Only float base types can be matrices. */
265 for (unsigned r
= 0; r
< rows
; r
++)
266 ret
->values
[0].u64
[r
] = ir
->value
.u64
[r
];
269 case GLSL_TYPE_INT64
:
270 /* Only float base types can be matrices. */
273 for (unsigned r
= 0; r
< rows
; r
++)
274 ret
->values
[0].i64
[r
] = ir
->value
.i64
[r
];
278 /* Only float base types can be matrices. */
281 for (unsigned r
= 0; r
< rows
; r
++)
282 ret
->values
[0].b
[r
] = ir
->value
.b
[r
];
286 case GLSL_TYPE_STRUCT
:
287 case GLSL_TYPE_ARRAY
:
288 ret
->elements
= ralloc_array(mem_ctx
, nir_constant
*,
290 ret
->num_elements
= ir
->type
->length
;
292 for (i
= 0; i
< ir
->type
->length
; i
++)
293 ret
->elements
[i
] = constant_copy(ir
->const_elements
[i
], mem_ctx
);
297 unreachable("not reached");
304 nir_visitor::visit(ir_variable
*ir
)
306 /* TODO: In future we should switch to using the NIR lowering pass but for
307 * now just ignore these variables as GLSL IR should have lowered them.
308 * Anything remaining are just dead vars that weren't cleaned up.
310 if (ir
->data
.mode
== ir_var_shader_shared
)
313 /* FINISHME: inout parameters */
314 assert(ir
->data
.mode
!= ir_var_function_inout
);
316 if (ir
->data
.mode
== ir_var_function_out
)
319 nir_variable
*var
= rzalloc(shader
, nir_variable
);
320 var
->type
= ir
->type
;
321 var
->name
= ralloc_strdup(var
, ir
->name
);
323 var
->data
.always_active_io
= ir
->data
.always_active_io
;
324 var
->data
.read_only
= ir
->data
.read_only
;
325 var
->data
.centroid
= ir
->data
.centroid
;
326 var
->data
.sample
= ir
->data
.sample
;
327 var
->data
.patch
= ir
->data
.patch
;
328 var
->data
.invariant
= ir
->data
.invariant
;
329 var
->data
.location
= ir
->data
.location
;
330 var
->data
.stream
= ir
->data
.stream
;
331 var
->data
.compact
= false;
333 switch(ir
->data
.mode
) {
335 case ir_var_temporary
:
337 var
->data
.mode
= nir_var_shader_temp
;
339 var
->data
.mode
= nir_var_function_temp
;
342 case ir_var_function_in
:
343 case ir_var_const_in
:
344 var
->data
.mode
= nir_var_function_temp
;
347 case ir_var_shader_in
:
348 if (shader
->info
.stage
== MESA_SHADER_FRAGMENT
&&
349 ir
->data
.location
== VARYING_SLOT_FACE
) {
350 /* For whatever reason, GLSL IR makes gl_FrontFacing an input */
351 var
->data
.location
= SYSTEM_VALUE_FRONT_FACE
;
352 var
->data
.mode
= nir_var_system_value
;
353 } else if (shader
->info
.stage
== MESA_SHADER_GEOMETRY
&&
354 ir
->data
.location
== VARYING_SLOT_PRIMITIVE_ID
) {
355 /* For whatever reason, GLSL IR makes gl_PrimitiveIDIn an input */
356 var
->data
.location
= SYSTEM_VALUE_PRIMITIVE_ID
;
357 var
->data
.mode
= nir_var_system_value
;
359 var
->data
.mode
= nir_var_shader_in
;
361 if (shader
->info
.stage
== MESA_SHADER_TESS_EVAL
&&
362 (ir
->data
.location
== VARYING_SLOT_TESS_LEVEL_INNER
||
363 ir
->data
.location
== VARYING_SLOT_TESS_LEVEL_OUTER
)) {
364 var
->data
.compact
= ir
->type
->without_array()->is_scalar();
367 if (shader
->info
.stage
> MESA_SHADER_VERTEX
&&
368 ir
->data
.location
>= VARYING_SLOT_CLIP_DIST0
&&
369 ir
->data
.location
<= VARYING_SLOT_CULL_DIST1
) {
370 var
->data
.compact
= ir
->type
->without_array()->is_scalar();
375 case ir_var_shader_out
:
376 var
->data
.mode
= nir_var_shader_out
;
377 if (shader
->info
.stage
== MESA_SHADER_TESS_CTRL
&&
378 (ir
->data
.location
== VARYING_SLOT_TESS_LEVEL_INNER
||
379 ir
->data
.location
== VARYING_SLOT_TESS_LEVEL_OUTER
)) {
380 var
->data
.compact
= ir
->type
->without_array()->is_scalar();
383 if (shader
->info
.stage
<= MESA_SHADER_GEOMETRY
&&
384 ir
->data
.location
>= VARYING_SLOT_CLIP_DIST0
&&
385 ir
->data
.location
<= VARYING_SLOT_CULL_DIST1
) {
386 var
->data
.compact
= ir
->type
->without_array()->is_scalar();
391 if (ir
->get_interface_type())
392 var
->data
.mode
= nir_var_mem_ubo
;
394 var
->data
.mode
= nir_var_uniform
;
397 case ir_var_shader_storage
:
398 var
->data
.mode
= nir_var_mem_ssbo
;
401 case ir_var_system_value
:
402 var
->data
.mode
= nir_var_system_value
;
406 unreachable("not reached");
409 var
->data
.interpolation
= ir
->data
.interpolation
;
410 var
->data
.location_frac
= ir
->data
.location_frac
;
412 switch (ir
->data
.depth_layout
) {
413 case ir_depth_layout_none
:
414 var
->data
.depth_layout
= nir_depth_layout_none
;
416 case ir_depth_layout_any
:
417 var
->data
.depth_layout
= nir_depth_layout_any
;
419 case ir_depth_layout_greater
:
420 var
->data
.depth_layout
= nir_depth_layout_greater
;
422 case ir_depth_layout_less
:
423 var
->data
.depth_layout
= nir_depth_layout_less
;
425 case ir_depth_layout_unchanged
:
426 var
->data
.depth_layout
= nir_depth_layout_unchanged
;
429 unreachable("not reached");
432 var
->data
.index
= ir
->data
.index
;
433 var
->data
.descriptor_set
= 0;
434 var
->data
.binding
= ir
->data
.binding
;
435 var
->data
.explicit_binding
= ir
->data
.explicit_binding
;
436 var
->data
.bindless
= ir
->data
.bindless
;
437 var
->data
.offset
= ir
->data
.offset
;
439 unsigned image_access
= 0;
440 if (ir
->data
.memory_read_only
)
441 image_access
|= ACCESS_NON_WRITEABLE
;
442 if (ir
->data
.memory_write_only
)
443 image_access
|= ACCESS_NON_READABLE
;
444 if (ir
->data
.memory_coherent
)
445 image_access
|= ACCESS_COHERENT
;
446 if (ir
->data
.memory_volatile
)
447 image_access
|= ACCESS_VOLATILE
;
448 if (ir
->data
.memory_restrict
)
449 image_access
|= ACCESS_RESTRICT
;
450 var
->data
.image
.access
= (gl_access_qualifier
)image_access
;
451 var
->data
.image
.format
= ir
->data
.image_format
;
453 var
->data
.fb_fetch_output
= ir
->data
.fb_fetch_output
;
454 var
->data
.explicit_xfb_buffer
= ir
->data
.explicit_xfb_buffer
;
455 var
->data
.explicit_xfb_stride
= ir
->data
.explicit_xfb_stride
;
456 var
->data
.xfb_buffer
= ir
->data
.xfb_buffer
;
457 var
->data
.xfb_stride
= ir
->data
.xfb_stride
;
459 var
->num_state_slots
= ir
->get_num_state_slots();
460 if (var
->num_state_slots
> 0) {
461 var
->state_slots
= rzalloc_array(var
, nir_state_slot
,
462 var
->num_state_slots
);
464 ir_state_slot
*state_slots
= ir
->get_state_slots();
465 for (unsigned i
= 0; i
< var
->num_state_slots
; i
++) {
466 for (unsigned j
= 0; j
< 5; j
++)
467 var
->state_slots
[i
].tokens
[j
] = state_slots
[i
].tokens
[j
];
468 var
->state_slots
[i
].swizzle
= state_slots
[i
].swizzle
;
471 var
->state_slots
= NULL
;
474 var
->constant_initializer
= constant_copy(ir
->constant_initializer
, var
);
476 var
->interface_type
= ir
->get_interface_type();
478 if (var
->data
.mode
== nir_var_function_temp
)
479 nir_function_impl_add_variable(impl
, var
);
481 nir_shader_add_variable(shader
, var
);
483 _mesa_hash_table_insert(var_table
, ir
, var
);
487 nir_function_visitor::visit_enter(ir_function
*ir
)
489 foreach_in_list(ir_function_signature
, sig
, &ir
->signatures
) {
490 visitor
->create_function(sig
);
492 return visit_continue_with_parent
;
496 nir_visitor::create_function(ir_function_signature
*ir
)
498 if (ir
->is_intrinsic())
501 nir_function
*func
= nir_function_create(shader
, ir
->function_name());
502 if (strcmp(ir
->function_name(), "main") == 0)
503 func
->is_entrypoint
= true;
505 func
->num_params
= ir
->parameters
.length() +
506 (ir
->return_type
!= glsl_type::void_type
);
507 func
->params
= ralloc_array(shader
, nir_parameter
, func
->num_params
);
511 if (ir
->return_type
!= glsl_type::void_type
) {
512 /* The return value is a variable deref (basically an out parameter) */
513 func
->params
[np
].num_components
= 1;
514 func
->params
[np
].bit_size
= 32;
518 foreach_in_list(ir_variable
, param
, &ir
->parameters
) {
519 /* FINISHME: pass arrays, structs, etc by reference? */
520 assert(param
->type
->is_vector() || param
->type
->is_scalar());
522 if (param
->data
.mode
== ir_var_function_in
) {
523 func
->params
[np
].num_components
= param
->type
->vector_elements
;
524 func
->params
[np
].bit_size
= glsl_get_bit_size(param
->type
);
526 func
->params
[np
].num_components
= 1;
527 func
->params
[np
].bit_size
= 32;
531 assert(np
== func
->num_params
);
533 _mesa_hash_table_insert(this->overload_table
, ir
, func
);
537 nir_visitor::visit(ir_function
*ir
)
539 foreach_in_list(ir_function_signature
, sig
, &ir
->signatures
)
544 nir_visitor::visit(ir_function_signature
*ir
)
546 if (ir
->is_intrinsic())
551 struct hash_entry
*entry
=
552 _mesa_hash_table_search(this->overload_table
, ir
);
555 nir_function
*func
= (nir_function
*) entry
->data
;
557 if (ir
->is_defined
) {
558 nir_function_impl
*impl
= nir_function_impl_create(func
);
561 this->is_global
= false;
563 nir_builder_init(&b
, impl
);
564 b
.cursor
= nir_after_cf_list(&impl
->body
);
566 unsigned i
= (ir
->return_type
!= glsl_type::void_type
) ? 1 : 0;
568 foreach_in_list(ir_variable
, param
, &ir
->parameters
) {
570 nir_local_variable_create(impl
, param
->type
, param
->name
);
572 if (param
->data
.mode
== ir_var_function_in
) {
573 nir_store_var(&b
, var
, nir_load_param(&b
, i
), ~0);
576 _mesa_hash_table_insert(var_table
, param
, var
);
580 visit_exec_list(&ir
->body
, this);
582 this->is_global
= true;
589 nir_visitor::visit(ir_loop
*ir
)
592 visit_exec_list(&ir
->body_instructions
, this);
593 nir_pop_loop(&b
, NULL
);
597 nir_visitor::visit(ir_if
*ir
)
599 nir_push_if(&b
, evaluate_rvalue(ir
->condition
));
600 visit_exec_list(&ir
->then_instructions
, this);
601 nir_push_else(&b
, NULL
);
602 visit_exec_list(&ir
->else_instructions
, this);
603 nir_pop_if(&b
, NULL
);
607 nir_visitor::visit(ir_discard
*ir
)
610 * discards aren't treated as control flow, because before we lower them
611 * they can appear anywhere in the shader and the stuff after them may still
612 * be executed (yay, crazy GLSL rules!). However, after lowering, all the
613 * discards will be immediately followed by a return.
616 nir_intrinsic_instr
*discard
;
618 discard
= nir_intrinsic_instr_create(this->shader
,
619 nir_intrinsic_discard_if
);
621 nir_src_for_ssa(evaluate_rvalue(ir
->condition
));
623 discard
= nir_intrinsic_instr_create(this->shader
, nir_intrinsic_discard
);
626 nir_builder_instr_insert(&b
, &discard
->instr
);
630 nir_visitor::visit(ir_emit_vertex
*ir
)
632 nir_intrinsic_instr
*instr
=
633 nir_intrinsic_instr_create(this->shader
, nir_intrinsic_emit_vertex
);
634 nir_intrinsic_set_stream_id(instr
, ir
->stream_id());
635 nir_builder_instr_insert(&b
, &instr
->instr
);
639 nir_visitor::visit(ir_end_primitive
*ir
)
641 nir_intrinsic_instr
*instr
=
642 nir_intrinsic_instr_create(this->shader
, nir_intrinsic_end_primitive
);
643 nir_intrinsic_set_stream_id(instr
, ir
->stream_id());
644 nir_builder_instr_insert(&b
, &instr
->instr
);
648 nir_visitor::visit(ir_loop_jump
*ir
)
652 case ir_loop_jump::jump_break
:
653 type
= nir_jump_break
;
655 case ir_loop_jump::jump_continue
:
656 type
= nir_jump_continue
;
659 unreachable("not reached");
662 nir_jump_instr
*instr
= nir_jump_instr_create(this->shader
, type
);
663 nir_builder_instr_insert(&b
, &instr
->instr
);
667 nir_visitor::visit(ir_return
*ir
)
669 if (ir
->value
!= NULL
) {
670 nir_deref_instr
*ret_deref
=
671 nir_build_deref_cast(&b
, nir_load_param(&b
, 0),
672 nir_var_function_temp
, ir
->value
->type
, 0);
674 nir_ssa_def
*val
= evaluate_rvalue(ir
->value
);
675 nir_store_deref(&b
, ret_deref
, val
, ~0);
678 nir_jump_instr
*instr
= nir_jump_instr_create(this->shader
, nir_jump_return
);
679 nir_builder_instr_insert(&b
, &instr
->instr
);
683 intrinsic_set_std430_align(nir_intrinsic_instr
*intrin
, const glsl_type
*type
)
685 unsigned bit_size
= type
->is_boolean() ? 32 : glsl_get_bit_size(type
);
686 unsigned pow2_components
= util_next_power_of_two(type
->vector_elements
);
687 nir_intrinsic_set_align(intrin
, (bit_size
/ 8) * pow2_components
, 0);
691 nir_visitor::visit(ir_call
*ir
)
693 if (ir
->callee
->is_intrinsic()) {
696 switch (ir
->callee
->intrinsic_id
) {
697 case ir_intrinsic_atomic_counter_read
:
698 op
= nir_intrinsic_atomic_counter_read_deref
;
700 case ir_intrinsic_atomic_counter_increment
:
701 op
= nir_intrinsic_atomic_counter_inc_deref
;
703 case ir_intrinsic_atomic_counter_predecrement
:
704 op
= nir_intrinsic_atomic_counter_pre_dec_deref
;
706 case ir_intrinsic_atomic_counter_add
:
707 op
= nir_intrinsic_atomic_counter_add_deref
;
709 case ir_intrinsic_atomic_counter_and
:
710 op
= nir_intrinsic_atomic_counter_and_deref
;
712 case ir_intrinsic_atomic_counter_or
:
713 op
= nir_intrinsic_atomic_counter_or_deref
;
715 case ir_intrinsic_atomic_counter_xor
:
716 op
= nir_intrinsic_atomic_counter_xor_deref
;
718 case ir_intrinsic_atomic_counter_min
:
719 op
= nir_intrinsic_atomic_counter_min_deref
;
721 case ir_intrinsic_atomic_counter_max
:
722 op
= nir_intrinsic_atomic_counter_max_deref
;
724 case ir_intrinsic_atomic_counter_exchange
:
725 op
= nir_intrinsic_atomic_counter_exchange_deref
;
727 case ir_intrinsic_atomic_counter_comp_swap
:
728 op
= nir_intrinsic_atomic_counter_comp_swap_deref
;
730 case ir_intrinsic_image_load
:
731 op
= nir_intrinsic_image_deref_load
;
733 case ir_intrinsic_image_store
:
734 op
= nir_intrinsic_image_deref_store
;
736 case ir_intrinsic_image_atomic_add
:
737 op
= ir
->return_deref
->type
->is_integer_32_64()
738 ? nir_intrinsic_image_deref_atomic_add
739 : nir_intrinsic_image_deref_atomic_fadd
;
741 case ir_intrinsic_image_atomic_min
:
742 op
= nir_intrinsic_image_deref_atomic_min
;
744 case ir_intrinsic_image_atomic_max
:
745 op
= nir_intrinsic_image_deref_atomic_max
;
747 case ir_intrinsic_image_atomic_and
:
748 op
= nir_intrinsic_image_deref_atomic_and
;
750 case ir_intrinsic_image_atomic_or
:
751 op
= nir_intrinsic_image_deref_atomic_or
;
753 case ir_intrinsic_image_atomic_xor
:
754 op
= nir_intrinsic_image_deref_atomic_xor
;
756 case ir_intrinsic_image_atomic_exchange
:
757 op
= nir_intrinsic_image_deref_atomic_exchange
;
759 case ir_intrinsic_image_atomic_comp_swap
:
760 op
= nir_intrinsic_image_deref_atomic_comp_swap
;
762 case ir_intrinsic_memory_barrier
:
763 op
= nir_intrinsic_memory_barrier
;
765 case ir_intrinsic_image_size
:
766 op
= nir_intrinsic_image_deref_size
;
768 case ir_intrinsic_image_samples
:
769 op
= nir_intrinsic_image_deref_samples
;
771 case ir_intrinsic_ssbo_store
:
772 op
= nir_intrinsic_store_ssbo
;
774 case ir_intrinsic_ssbo_load
:
775 op
= nir_intrinsic_load_ssbo
;
777 case ir_intrinsic_ssbo_atomic_add
:
778 op
= ir
->return_deref
->type
->is_integer_32_64()
779 ? nir_intrinsic_ssbo_atomic_add
: nir_intrinsic_ssbo_atomic_fadd
;
781 case ir_intrinsic_ssbo_atomic_and
:
782 op
= nir_intrinsic_ssbo_atomic_and
;
784 case ir_intrinsic_ssbo_atomic_or
:
785 op
= nir_intrinsic_ssbo_atomic_or
;
787 case ir_intrinsic_ssbo_atomic_xor
:
788 op
= nir_intrinsic_ssbo_atomic_xor
;
790 case ir_intrinsic_ssbo_atomic_min
:
791 assert(ir
->return_deref
);
792 if (ir
->return_deref
->type
== glsl_type::int_type
)
793 op
= nir_intrinsic_ssbo_atomic_imin
;
794 else if (ir
->return_deref
->type
== glsl_type::uint_type
)
795 op
= nir_intrinsic_ssbo_atomic_umin
;
796 else if (ir
->return_deref
->type
== glsl_type::float_type
)
797 op
= nir_intrinsic_ssbo_atomic_fmin
;
799 unreachable("Invalid type");
801 case ir_intrinsic_ssbo_atomic_max
:
802 assert(ir
->return_deref
);
803 if (ir
->return_deref
->type
== glsl_type::int_type
)
804 op
= nir_intrinsic_ssbo_atomic_imax
;
805 else if (ir
->return_deref
->type
== glsl_type::uint_type
)
806 op
= nir_intrinsic_ssbo_atomic_umax
;
807 else if (ir
->return_deref
->type
== glsl_type::float_type
)
808 op
= nir_intrinsic_ssbo_atomic_fmax
;
810 unreachable("Invalid type");
812 case ir_intrinsic_ssbo_atomic_exchange
:
813 op
= nir_intrinsic_ssbo_atomic_exchange
;
815 case ir_intrinsic_ssbo_atomic_comp_swap
:
816 op
= ir
->return_deref
->type
->is_integer_32_64()
817 ? nir_intrinsic_ssbo_atomic_comp_swap
818 : nir_intrinsic_ssbo_atomic_fcomp_swap
;
820 case ir_intrinsic_shader_clock
:
821 op
= nir_intrinsic_shader_clock
;
823 case ir_intrinsic_begin_invocation_interlock
:
824 op
= nir_intrinsic_begin_invocation_interlock
;
826 case ir_intrinsic_end_invocation_interlock
:
827 op
= nir_intrinsic_end_invocation_interlock
;
829 case ir_intrinsic_group_memory_barrier
:
830 op
= nir_intrinsic_group_memory_barrier
;
832 case ir_intrinsic_memory_barrier_atomic_counter
:
833 op
= nir_intrinsic_memory_barrier_atomic_counter
;
835 case ir_intrinsic_memory_barrier_buffer
:
836 op
= nir_intrinsic_memory_barrier_buffer
;
838 case ir_intrinsic_memory_barrier_image
:
839 op
= nir_intrinsic_memory_barrier_image
;
841 case ir_intrinsic_memory_barrier_shared
:
842 op
= nir_intrinsic_memory_barrier_shared
;
844 case ir_intrinsic_shared_load
:
845 op
= nir_intrinsic_load_shared
;
847 case ir_intrinsic_shared_store
:
848 op
= nir_intrinsic_store_shared
;
850 case ir_intrinsic_shared_atomic_add
:
851 op
= ir
->return_deref
->type
->is_integer_32_64()
852 ? nir_intrinsic_shared_atomic_add
853 : nir_intrinsic_shared_atomic_fadd
;
855 case ir_intrinsic_shared_atomic_and
:
856 op
= nir_intrinsic_shared_atomic_and
;
858 case ir_intrinsic_shared_atomic_or
:
859 op
= nir_intrinsic_shared_atomic_or
;
861 case ir_intrinsic_shared_atomic_xor
:
862 op
= nir_intrinsic_shared_atomic_xor
;
864 case ir_intrinsic_shared_atomic_min
:
865 assert(ir
->return_deref
);
866 if (ir
->return_deref
->type
== glsl_type::int_type
)
867 op
= nir_intrinsic_shared_atomic_imin
;
868 else if (ir
->return_deref
->type
== glsl_type::uint_type
)
869 op
= nir_intrinsic_shared_atomic_umin
;
870 else if (ir
->return_deref
->type
== glsl_type::float_type
)
871 op
= nir_intrinsic_shared_atomic_fmin
;
873 unreachable("Invalid type");
875 case ir_intrinsic_shared_atomic_max
:
876 assert(ir
->return_deref
);
877 if (ir
->return_deref
->type
== glsl_type::int_type
)
878 op
= nir_intrinsic_shared_atomic_imax
;
879 else if (ir
->return_deref
->type
== glsl_type::uint_type
)
880 op
= nir_intrinsic_shared_atomic_umax
;
881 else if (ir
->return_deref
->type
== glsl_type::float_type
)
882 op
= nir_intrinsic_shared_atomic_fmax
;
884 unreachable("Invalid type");
886 case ir_intrinsic_shared_atomic_exchange
:
887 op
= nir_intrinsic_shared_atomic_exchange
;
889 case ir_intrinsic_shared_atomic_comp_swap
:
890 op
= ir
->return_deref
->type
->is_integer_32_64()
891 ? nir_intrinsic_shared_atomic_comp_swap
892 : nir_intrinsic_shared_atomic_fcomp_swap
;
894 case ir_intrinsic_vote_any
:
895 op
= nir_intrinsic_vote_any
;
897 case ir_intrinsic_vote_all
:
898 op
= nir_intrinsic_vote_all
;
900 case ir_intrinsic_vote_eq
:
901 op
= nir_intrinsic_vote_ieq
;
903 case ir_intrinsic_ballot
:
904 op
= nir_intrinsic_ballot
;
906 case ir_intrinsic_read_invocation
:
907 op
= nir_intrinsic_read_invocation
;
909 case ir_intrinsic_read_first_invocation
:
910 op
= nir_intrinsic_read_first_invocation
;
913 unreachable("not reached");
916 nir_intrinsic_instr
*instr
= nir_intrinsic_instr_create(shader
, op
);
917 nir_ssa_def
*ret
= &instr
->dest
.ssa
;
920 case nir_intrinsic_atomic_counter_read_deref
:
921 case nir_intrinsic_atomic_counter_inc_deref
:
922 case nir_intrinsic_atomic_counter_pre_dec_deref
:
923 case nir_intrinsic_atomic_counter_add_deref
:
924 case nir_intrinsic_atomic_counter_min_deref
:
925 case nir_intrinsic_atomic_counter_max_deref
:
926 case nir_intrinsic_atomic_counter_and_deref
:
927 case nir_intrinsic_atomic_counter_or_deref
:
928 case nir_intrinsic_atomic_counter_xor_deref
:
929 case nir_intrinsic_atomic_counter_exchange_deref
:
930 case nir_intrinsic_atomic_counter_comp_swap_deref
: {
931 /* Set the counter variable dereference. */
932 exec_node
*param
= ir
->actual_parameters
.get_head();
933 ir_dereference
*counter
= (ir_dereference
*)param
;
935 instr
->src
[0] = nir_src_for_ssa(&evaluate_deref(counter
)->dest
.ssa
);
936 param
= param
->get_next();
938 /* Set the intrinsic destination. */
939 if (ir
->return_deref
) {
940 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
, 1, 32, NULL
);
943 /* Set the intrinsic parameters. */
944 if (!param
->is_tail_sentinel()) {
946 nir_src_for_ssa(evaluate_rvalue((ir_dereference
*)param
));
947 param
= param
->get_next();
950 if (!param
->is_tail_sentinel()) {
952 nir_src_for_ssa(evaluate_rvalue((ir_dereference
*)param
));
953 param
= param
->get_next();
956 nir_builder_instr_insert(&b
, &instr
->instr
);
959 case nir_intrinsic_image_deref_load
:
960 case nir_intrinsic_image_deref_store
:
961 case nir_intrinsic_image_deref_atomic_add
:
962 case nir_intrinsic_image_deref_atomic_min
:
963 case nir_intrinsic_image_deref_atomic_max
:
964 case nir_intrinsic_image_deref_atomic_and
:
965 case nir_intrinsic_image_deref_atomic_or
:
966 case nir_intrinsic_image_deref_atomic_xor
:
967 case nir_intrinsic_image_deref_atomic_exchange
:
968 case nir_intrinsic_image_deref_atomic_comp_swap
:
969 case nir_intrinsic_image_deref_atomic_fadd
:
970 case nir_intrinsic_image_deref_samples
:
971 case nir_intrinsic_image_deref_size
: {
972 nir_ssa_undef_instr
*instr_undef
=
973 nir_ssa_undef_instr_create(shader
, 1, 32);
974 nir_builder_instr_insert(&b
, &instr_undef
->instr
);
976 /* Set the image variable dereference. */
977 exec_node
*param
= ir
->actual_parameters
.get_head();
978 ir_dereference
*image
= (ir_dereference
*)param
;
979 const glsl_type
*type
=
980 image
->variable_referenced()->type
->without_array();
982 instr
->src
[0] = nir_src_for_ssa(&evaluate_deref(image
)->dest
.ssa
);
983 param
= param
->get_next();
985 /* Set the intrinsic destination. */
986 if (ir
->return_deref
) {
987 unsigned num_components
= ir
->return_deref
->type
->vector_elements
;
988 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
989 num_components
, 32, NULL
);
992 if (op
== nir_intrinsic_image_deref_size
) {
993 instr
->num_components
= instr
->dest
.ssa
.num_components
;
994 } else if (op
== nir_intrinsic_image_deref_load
||
995 op
== nir_intrinsic_image_deref_store
) {
996 instr
->num_components
= 4;
999 if (op
== nir_intrinsic_image_deref_size
||
1000 op
== nir_intrinsic_image_deref_samples
) {
1001 nir_builder_instr_insert(&b
, &instr
->instr
);
1005 /* Set the address argument, extending the coordinate vector to four
1008 nir_ssa_def
*src_addr
=
1009 evaluate_rvalue((ir_dereference
*)param
);
1010 nir_ssa_def
*srcs
[4];
1012 for (int i
= 0; i
< 4; i
++) {
1013 if (i
< type
->coordinate_components())
1014 srcs
[i
] = nir_channel(&b
, src_addr
, i
);
1016 srcs
[i
] = &instr_undef
->def
;
1019 instr
->src
[1] = nir_src_for_ssa(nir_vec(&b
, srcs
, 4));
1020 param
= param
->get_next();
1022 /* Set the sample argument, which is undefined for single-sample
1025 if (type
->sampler_dimensionality
== GLSL_SAMPLER_DIM_MS
) {
1027 nir_src_for_ssa(evaluate_rvalue((ir_dereference
*)param
));
1028 param
= param
->get_next();
1030 instr
->src
[2] = nir_src_for_ssa(&instr_undef
->def
);
1033 /* Set the intrinsic parameters. */
1034 if (!param
->is_tail_sentinel()) {
1036 nir_src_for_ssa(evaluate_rvalue((ir_dereference
*)param
));
1037 param
= param
->get_next();
1040 if (!param
->is_tail_sentinel()) {
1042 nir_src_for_ssa(evaluate_rvalue((ir_dereference
*)param
));
1043 param
= param
->get_next();
1045 nir_builder_instr_insert(&b
, &instr
->instr
);
1048 case nir_intrinsic_memory_barrier
:
1049 case nir_intrinsic_group_memory_barrier
:
1050 case nir_intrinsic_memory_barrier_atomic_counter
:
1051 case nir_intrinsic_memory_barrier_buffer
:
1052 case nir_intrinsic_memory_barrier_image
:
1053 case nir_intrinsic_memory_barrier_shared
:
1054 nir_builder_instr_insert(&b
, &instr
->instr
);
1056 case nir_intrinsic_shader_clock
:
1057 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
, 2, 32, NULL
);
1058 instr
->num_components
= 2;
1059 nir_builder_instr_insert(&b
, &instr
->instr
);
1061 case nir_intrinsic_begin_invocation_interlock
:
1062 nir_builder_instr_insert(&b
, &instr
->instr
);
1064 case nir_intrinsic_end_invocation_interlock
:
1065 nir_builder_instr_insert(&b
, &instr
->instr
);
1067 case nir_intrinsic_store_ssbo
: {
1068 exec_node
*param
= ir
->actual_parameters
.get_head();
1069 ir_rvalue
*block
= ((ir_instruction
*)param
)->as_rvalue();
1071 param
= param
->get_next();
1072 ir_rvalue
*offset
= ((ir_instruction
*)param
)->as_rvalue();
1074 param
= param
->get_next();
1075 ir_rvalue
*val
= ((ir_instruction
*)param
)->as_rvalue();
1077 param
= param
->get_next();
1078 ir_constant
*write_mask
= ((ir_instruction
*)param
)->as_constant();
1081 nir_ssa_def
*nir_val
= evaluate_rvalue(val
);
1082 if (val
->type
->is_boolean())
1083 nir_val
= nir_b2i32(&b
, nir_val
);
1085 instr
->src
[0] = nir_src_for_ssa(nir_val
);
1086 instr
->src
[1] = nir_src_for_ssa(evaluate_rvalue(block
));
1087 instr
->src
[2] = nir_src_for_ssa(evaluate_rvalue(offset
));
1088 intrinsic_set_std430_align(instr
, val
->type
);
1089 nir_intrinsic_set_write_mask(instr
, write_mask
->value
.u
[0]);
1090 instr
->num_components
= val
->type
->vector_elements
;
1092 nir_builder_instr_insert(&b
, &instr
->instr
);
1095 case nir_intrinsic_load_ssbo
: {
1096 exec_node
*param
= ir
->actual_parameters
.get_head();
1097 ir_rvalue
*block
= ((ir_instruction
*)param
)->as_rvalue();
1099 param
= param
->get_next();
1100 ir_rvalue
*offset
= ((ir_instruction
*)param
)->as_rvalue();
1102 instr
->src
[0] = nir_src_for_ssa(evaluate_rvalue(block
));
1103 instr
->src
[1] = nir_src_for_ssa(evaluate_rvalue(offset
));
1105 const glsl_type
*type
= ir
->return_deref
->var
->type
;
1106 instr
->num_components
= type
->vector_elements
;
1107 intrinsic_set_std430_align(instr
, type
);
1109 /* Setup destination register */
1110 unsigned bit_size
= type
->is_boolean() ? 32 : glsl_get_bit_size(type
);
1111 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
1112 type
->vector_elements
, bit_size
, NULL
);
1114 /* Insert the created nir instruction now since in the case of boolean
1115 * result we will need to emit another instruction after it
1117 nir_builder_instr_insert(&b
, &instr
->instr
);
1120 * In SSBO/UBO's, a true boolean value is any non-zero value, but we
1121 * consider a true boolean to be ~0. Fix this up with a != 0
1124 if (type
->is_boolean())
1125 ret
= nir_i2b(&b
, &instr
->dest
.ssa
);
1128 case nir_intrinsic_ssbo_atomic_add
:
1129 case nir_intrinsic_ssbo_atomic_imin
:
1130 case nir_intrinsic_ssbo_atomic_umin
:
1131 case nir_intrinsic_ssbo_atomic_imax
:
1132 case nir_intrinsic_ssbo_atomic_umax
:
1133 case nir_intrinsic_ssbo_atomic_and
:
1134 case nir_intrinsic_ssbo_atomic_or
:
1135 case nir_intrinsic_ssbo_atomic_xor
:
1136 case nir_intrinsic_ssbo_atomic_exchange
:
1137 case nir_intrinsic_ssbo_atomic_comp_swap
:
1138 case nir_intrinsic_ssbo_atomic_fadd
:
1139 case nir_intrinsic_ssbo_atomic_fmin
:
1140 case nir_intrinsic_ssbo_atomic_fmax
:
1141 case nir_intrinsic_ssbo_atomic_fcomp_swap
: {
1142 int param_count
= ir
->actual_parameters
.length();
1143 assert(param_count
== 3 || param_count
== 4);
1146 exec_node
*param
= ir
->actual_parameters
.get_head();
1147 ir_instruction
*inst
= (ir_instruction
*) param
;
1148 instr
->src
[0] = nir_src_for_ssa(evaluate_rvalue(inst
->as_rvalue()));
1151 param
= param
->get_next();
1152 inst
= (ir_instruction
*) param
;
1153 instr
->src
[1] = nir_src_for_ssa(evaluate_rvalue(inst
->as_rvalue()));
1155 /* data1 parameter (this is always present) */
1156 param
= param
->get_next();
1157 inst
= (ir_instruction
*) param
;
1158 instr
->src
[2] = nir_src_for_ssa(evaluate_rvalue(inst
->as_rvalue()));
1160 /* data2 parameter (only with atomic_comp_swap) */
1161 if (param_count
== 4) {
1162 assert(op
== nir_intrinsic_ssbo_atomic_comp_swap
||
1163 op
== nir_intrinsic_ssbo_atomic_fcomp_swap
);
1164 param
= param
->get_next();
1165 inst
= (ir_instruction
*) param
;
1166 instr
->src
[3] = nir_src_for_ssa(evaluate_rvalue(inst
->as_rvalue()));
1170 assert(ir
->return_deref
);
1171 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
1172 ir
->return_deref
->type
->vector_elements
, 32, NULL
);
1173 nir_builder_instr_insert(&b
, &instr
->instr
);
1176 case nir_intrinsic_load_shared
: {
1177 exec_node
*param
= ir
->actual_parameters
.get_head();
1178 ir_rvalue
*offset
= ((ir_instruction
*)param
)->as_rvalue();
1180 nir_intrinsic_set_base(instr
, 0);
1181 instr
->src
[0] = nir_src_for_ssa(evaluate_rvalue(offset
));
1183 const glsl_type
*type
= ir
->return_deref
->var
->type
;
1184 instr
->num_components
= type
->vector_elements
;
1185 intrinsic_set_std430_align(instr
, type
);
1187 /* Setup destination register */
1188 unsigned bit_size
= type
->is_boolean() ? 32 : glsl_get_bit_size(type
);
1189 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
1190 type
->vector_elements
, bit_size
, NULL
);
1192 nir_builder_instr_insert(&b
, &instr
->instr
);
1194 /* The value in shared memory is a 32-bit value */
1195 if (type
->is_boolean())
1196 ret
= nir_i2b(&b
, &instr
->dest
.ssa
);
1199 case nir_intrinsic_store_shared
: {
1200 exec_node
*param
= ir
->actual_parameters
.get_head();
1201 ir_rvalue
*offset
= ((ir_instruction
*)param
)->as_rvalue();
1203 param
= param
->get_next();
1204 ir_rvalue
*val
= ((ir_instruction
*)param
)->as_rvalue();
1206 param
= param
->get_next();
1207 ir_constant
*write_mask
= ((ir_instruction
*)param
)->as_constant();
1210 nir_intrinsic_set_base(instr
, 0);
1211 instr
->src
[1] = nir_src_for_ssa(evaluate_rvalue(offset
));
1213 nir_intrinsic_set_write_mask(instr
, write_mask
->value
.u
[0]);
1215 nir_ssa_def
*nir_val
= evaluate_rvalue(val
);
1216 /* The value in shared memory is a 32-bit value */
1217 if (val
->type
->is_boolean())
1218 nir_val
= nir_b2i32(&b
, nir_val
);
1220 instr
->src
[0] = nir_src_for_ssa(nir_val
);
1221 instr
->num_components
= val
->type
->vector_elements
;
1222 intrinsic_set_std430_align(instr
, val
->type
);
1224 nir_builder_instr_insert(&b
, &instr
->instr
);
1227 case nir_intrinsic_shared_atomic_add
:
1228 case nir_intrinsic_shared_atomic_imin
:
1229 case nir_intrinsic_shared_atomic_umin
:
1230 case nir_intrinsic_shared_atomic_imax
:
1231 case nir_intrinsic_shared_atomic_umax
:
1232 case nir_intrinsic_shared_atomic_and
:
1233 case nir_intrinsic_shared_atomic_or
:
1234 case nir_intrinsic_shared_atomic_xor
:
1235 case nir_intrinsic_shared_atomic_exchange
:
1236 case nir_intrinsic_shared_atomic_comp_swap
:
1237 case nir_intrinsic_shared_atomic_fadd
:
1238 case nir_intrinsic_shared_atomic_fmin
:
1239 case nir_intrinsic_shared_atomic_fmax
:
1240 case nir_intrinsic_shared_atomic_fcomp_swap
: {
1241 int param_count
= ir
->actual_parameters
.length();
1242 assert(param_count
== 2 || param_count
== 3);
1245 exec_node
*param
= ir
->actual_parameters
.get_head();
1246 ir_instruction
*inst
= (ir_instruction
*) param
;
1247 instr
->src
[0] = nir_src_for_ssa(evaluate_rvalue(inst
->as_rvalue()));
1249 /* data1 parameter (this is always present) */
1250 param
= param
->get_next();
1251 inst
= (ir_instruction
*) param
;
1252 instr
->src
[1] = nir_src_for_ssa(evaluate_rvalue(inst
->as_rvalue()));
1254 /* data2 parameter (only with atomic_comp_swap) */
1255 if (param_count
== 3) {
1256 assert(op
== nir_intrinsic_shared_atomic_comp_swap
||
1257 op
== nir_intrinsic_shared_atomic_fcomp_swap
);
1258 param
= param
->get_next();
1259 inst
= (ir_instruction
*) param
;
1261 nir_src_for_ssa(evaluate_rvalue(inst
->as_rvalue()));
1265 assert(ir
->return_deref
);
1266 unsigned bit_size
= glsl_get_bit_size(ir
->return_deref
->type
);
1267 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
1268 ir
->return_deref
->type
->vector_elements
,
1270 nir_builder_instr_insert(&b
, &instr
->instr
);
1273 case nir_intrinsic_vote_any
:
1274 case nir_intrinsic_vote_all
:
1275 case nir_intrinsic_vote_ieq
: {
1276 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
, 1, 1, NULL
);
1277 instr
->num_components
= 1;
1279 ir_rvalue
*value
= (ir_rvalue
*) ir
->actual_parameters
.get_head();
1280 instr
->src
[0] = nir_src_for_ssa(evaluate_rvalue(value
));
1282 nir_builder_instr_insert(&b
, &instr
->instr
);
1286 case nir_intrinsic_ballot
: {
1287 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
1288 ir
->return_deref
->type
->vector_elements
, 64, NULL
);
1289 instr
->num_components
= ir
->return_deref
->type
->vector_elements
;
1291 ir_rvalue
*value
= (ir_rvalue
*) ir
->actual_parameters
.get_head();
1292 instr
->src
[0] = nir_src_for_ssa(evaluate_rvalue(value
));
1294 nir_builder_instr_insert(&b
, &instr
->instr
);
1297 case nir_intrinsic_read_invocation
: {
1298 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
1299 ir
->return_deref
->type
->vector_elements
, 32, NULL
);
1300 instr
->num_components
= ir
->return_deref
->type
->vector_elements
;
1302 ir_rvalue
*value
= (ir_rvalue
*) ir
->actual_parameters
.get_head();
1303 instr
->src
[0] = nir_src_for_ssa(evaluate_rvalue(value
));
1305 ir_rvalue
*invocation
= (ir_rvalue
*) ir
->actual_parameters
.get_head()->next
;
1306 instr
->src
[1] = nir_src_for_ssa(evaluate_rvalue(invocation
));
1308 nir_builder_instr_insert(&b
, &instr
->instr
);
1311 case nir_intrinsic_read_first_invocation
: {
1312 nir_ssa_dest_init(&instr
->instr
, &instr
->dest
,
1313 ir
->return_deref
->type
->vector_elements
, 32, NULL
);
1314 instr
->num_components
= ir
->return_deref
->type
->vector_elements
;
1316 ir_rvalue
*value
= (ir_rvalue
*) ir
->actual_parameters
.get_head();
1317 instr
->src
[0] = nir_src_for_ssa(evaluate_rvalue(value
));
1319 nir_builder_instr_insert(&b
, &instr
->instr
);
1323 unreachable("not reached");
1326 if (ir
->return_deref
)
1327 nir_store_deref(&b
, evaluate_deref(ir
->return_deref
), ret
, ~0);
1332 struct hash_entry
*entry
=
1333 _mesa_hash_table_search(this->overload_table
, ir
->callee
);
1335 nir_function
*callee
= (nir_function
*) entry
->data
;
1337 nir_call_instr
*call
= nir_call_instr_create(this->shader
, callee
);
1340 nir_deref_instr
*ret_deref
= NULL
;
1341 if (ir
->return_deref
) {
1342 nir_variable
*ret_tmp
=
1343 nir_local_variable_create(this->impl
, ir
->return_deref
->type
,
1345 ret_deref
= nir_build_deref_var(&b
, ret_tmp
);
1346 call
->params
[i
++] = nir_src_for_ssa(&ret_deref
->dest
.ssa
);
1349 foreach_two_lists(formal_node
, &ir
->callee
->parameters
,
1350 actual_node
, &ir
->actual_parameters
) {
1351 ir_rvalue
*param_rvalue
= (ir_rvalue
*) actual_node
;
1352 ir_variable
*sig_param
= (ir_variable
*) formal_node
;
1354 if (sig_param
->data
.mode
== ir_var_function_out
) {
1355 nir_deref_instr
*out_deref
= evaluate_deref(param_rvalue
);
1356 call
->params
[i
] = nir_src_for_ssa(&out_deref
->dest
.ssa
);
1357 } else if (sig_param
->data
.mode
== ir_var_function_in
) {
1358 nir_ssa_def
*val
= evaluate_rvalue(param_rvalue
);
1359 nir_src src
= nir_src_for_ssa(val
);
1361 nir_src_copy(&call
->params
[i
], &src
, call
);
1362 } else if (sig_param
->data
.mode
== ir_var_function_inout
) {
1363 unreachable("unimplemented: inout parameters");
1369 nir_builder_instr_insert(&b
, &call
->instr
);
1371 if (ir
->return_deref
)
1372 nir_store_deref(&b
, evaluate_deref(ir
->return_deref
), nir_load_deref(&b
, ret_deref
), ~0);
1376 nir_visitor::visit(ir_assignment
*ir
)
1378 unsigned num_components
= ir
->lhs
->type
->vector_elements
;
1380 b
.exact
= ir
->lhs
->variable_referenced()->data
.invariant
||
1381 ir
->lhs
->variable_referenced()->data
.precise
;
1383 if ((ir
->rhs
->as_dereference() || ir
->rhs
->as_constant()) &&
1384 (ir
->write_mask
== (1 << num_components
) - 1 || ir
->write_mask
== 0)) {
1385 if (ir
->condition
) {
1386 nir_push_if(&b
, evaluate_rvalue(ir
->condition
));
1387 nir_copy_deref(&b
, evaluate_deref(ir
->lhs
), evaluate_deref(ir
->rhs
));
1388 nir_pop_if(&b
, NULL
);
1390 nir_copy_deref(&b
, evaluate_deref(ir
->lhs
), evaluate_deref(ir
->rhs
));
1395 assert(ir
->rhs
->type
->is_scalar() || ir
->rhs
->type
->is_vector());
1397 ir
->lhs
->accept(this);
1398 nir_deref_instr
*lhs_deref
= this->deref
;
1399 nir_ssa_def
*src
= evaluate_rvalue(ir
->rhs
);
1401 if (ir
->write_mask
!= (1 << num_components
) - 1 && ir
->write_mask
!= 0) {
1402 /* GLSL IR will give us the input to the write-masked assignment in a
1403 * single packed vector. So, for example, if the writemask is xzw, then
1404 * we have to swizzle x -> x, y -> z, and z -> w and get the y component
1408 unsigned component
= 0;
1409 for (unsigned i
= 0; i
< 4; i
++) {
1410 swiz
[i
] = ir
->write_mask
& (1 << i
) ? component
++ : 0;
1412 src
= nir_swizzle(&b
, src
, swiz
, num_components
, false);
1415 if (ir
->condition
) {
1416 nir_push_if(&b
, evaluate_rvalue(ir
->condition
));
1417 nir_store_deref(&b
, lhs_deref
, src
, ir
->write_mask
);
1418 nir_pop_if(&b
, NULL
);
1420 nir_store_deref(&b
, lhs_deref
, src
, ir
->write_mask
);
1425 * Given an instruction, returns a pointer to its destination or NULL if there
1426 * is no destination.
1428 * Note that this only handles instructions we generate at this level.
1431 get_instr_dest(nir_instr
*instr
)
1433 nir_alu_instr
*alu_instr
;
1434 nir_intrinsic_instr
*intrinsic_instr
;
1435 nir_tex_instr
*tex_instr
;
1437 switch (instr
->type
) {
1438 case nir_instr_type_alu
:
1439 alu_instr
= nir_instr_as_alu(instr
);
1440 return &alu_instr
->dest
.dest
;
1442 case nir_instr_type_intrinsic
:
1443 intrinsic_instr
= nir_instr_as_intrinsic(instr
);
1444 if (nir_intrinsic_infos
[intrinsic_instr
->intrinsic
].has_dest
)
1445 return &intrinsic_instr
->dest
;
1449 case nir_instr_type_tex
:
1450 tex_instr
= nir_instr_as_tex(instr
);
1451 return &tex_instr
->dest
;
1454 unreachable("not reached");
1461 nir_visitor::add_instr(nir_instr
*instr
, unsigned num_components
,
1464 nir_dest
*dest
= get_instr_dest(instr
);
1467 nir_ssa_dest_init(instr
, dest
, num_components
, bit_size
, NULL
);
1469 nir_builder_instr_insert(&b
, instr
);
1472 assert(dest
->is_ssa
);
1473 this->result
= &dest
->ssa
;
1478 nir_visitor::evaluate_rvalue(ir_rvalue
* ir
)
1481 if (ir
->as_dereference() || ir
->as_constant()) {
1483 * A dereference is being used on the right hand side, which means we
1484 * must emit a variable load.
1487 this->result
= nir_load_deref(&b
, this->deref
);
1490 return this->result
;
1494 type_is_float(glsl_base_type type
)
1496 return type
== GLSL_TYPE_FLOAT
|| type
== GLSL_TYPE_DOUBLE
||
1497 type
== GLSL_TYPE_FLOAT16
;
1501 type_is_signed(glsl_base_type type
)
1503 return type
== GLSL_TYPE_INT
|| type
== GLSL_TYPE_INT64
||
1504 type
== GLSL_TYPE_INT16
;
1508 type_is_int(glsl_base_type type
)
1510 return type
== GLSL_TYPE_UINT
|| type
== GLSL_TYPE_INT
||
1511 type
== GLSL_TYPE_UINT8
|| type
== GLSL_TYPE_INT8
||
1512 type
== GLSL_TYPE_UINT16
|| type
== GLSL_TYPE_INT16
||
1513 type
== GLSL_TYPE_UINT64
|| type
== GLSL_TYPE_INT64
;
1517 nir_visitor::visit(ir_expression
*ir
)
1519 /* Some special cases */
1520 switch (ir
->operation
) {
1521 case ir_binop_ubo_load
: {
1522 nir_intrinsic_instr
*load
=
1523 nir_intrinsic_instr_create(this->shader
, nir_intrinsic_load_ubo
);
1524 unsigned bit_size
= ir
->type
->is_boolean() ? 32 :
1525 glsl_get_bit_size(ir
->type
);
1526 load
->num_components
= ir
->type
->vector_elements
;
1527 load
->src
[0] = nir_src_for_ssa(evaluate_rvalue(ir
->operands
[0]));
1528 load
->src
[1] = nir_src_for_ssa(evaluate_rvalue(ir
->operands
[1]));
1529 intrinsic_set_std430_align(load
, ir
->type
);
1530 add_instr(&load
->instr
, ir
->type
->vector_elements
, bit_size
);
1533 * In UBO's, a true boolean value is any non-zero value, but we consider
1534 * a true boolean to be ~0. Fix this up with a != 0 comparison.
1537 if (ir
->type
->is_boolean())
1538 this->result
= nir_i2b(&b
, &load
->dest
.ssa
);
1543 case ir_unop_interpolate_at_centroid
:
1544 case ir_binop_interpolate_at_offset
:
1545 case ir_binop_interpolate_at_sample
: {
1546 ir_dereference
*deref
= ir
->operands
[0]->as_dereference();
1547 ir_swizzle
*swizzle
= NULL
;
1549 /* the api does not allow a swizzle here, but the varying packing code
1550 * may have pushed one into here.
1552 swizzle
= ir
->operands
[0]->as_swizzle();
1554 deref
= swizzle
->val
->as_dereference();
1558 deref
->accept(this);
1560 nir_intrinsic_op op
;
1561 if (this->deref
->mode
== nir_var_shader_in
) {
1562 switch (ir
->operation
) {
1563 case ir_unop_interpolate_at_centroid
:
1564 op
= nir_intrinsic_interp_deref_at_centroid
;
1566 case ir_binop_interpolate_at_offset
:
1567 op
= nir_intrinsic_interp_deref_at_offset
;
1569 case ir_binop_interpolate_at_sample
:
1570 op
= nir_intrinsic_interp_deref_at_sample
;
1573 unreachable("Invalid interpolation intrinsic");
1576 /* This case can happen if the vertex shader does not write the
1577 * given varying. In this case, the linker will lower it to a
1578 * global variable. Since interpolating a variable makes no
1579 * sense, we'll just turn it into a load which will probably
1580 * eventually end up as an SSA definition.
1582 assert(this->deref
->mode
== nir_var_shader_temp
);
1583 op
= nir_intrinsic_load_deref
;
1586 nir_intrinsic_instr
*intrin
= nir_intrinsic_instr_create(shader
, op
);
1587 intrin
->num_components
= deref
->type
->vector_elements
;
1588 intrin
->src
[0] = nir_src_for_ssa(&this->deref
->dest
.ssa
);
1590 if (intrin
->intrinsic
== nir_intrinsic_interp_deref_at_offset
||
1591 intrin
->intrinsic
== nir_intrinsic_interp_deref_at_sample
)
1592 intrin
->src
[1] = nir_src_for_ssa(evaluate_rvalue(ir
->operands
[1]));
1594 unsigned bit_size
= glsl_get_bit_size(deref
->type
);
1595 add_instr(&intrin
->instr
, deref
->type
->vector_elements
, bit_size
);
1598 unsigned swiz
[4] = {
1599 swizzle
->mask
.x
, swizzle
->mask
.y
, swizzle
->mask
.z
, swizzle
->mask
.w
1602 result
= nir_swizzle(&b
, result
, swiz
,
1603 swizzle
->type
->vector_elements
, false);
1613 nir_ssa_def
*srcs
[4];
1614 for (unsigned i
= 0; i
< ir
->num_operands
; i
++)
1615 srcs
[i
] = evaluate_rvalue(ir
->operands
[i
]);
1617 glsl_base_type types
[4];
1618 for (unsigned i
= 0; i
< ir
->num_operands
; i
++)
1619 if (supports_ints
|| !type_is_int(ir
->operands
[i
]->type
->base_type
))
1620 types
[i
] = ir
->operands
[i
]->type
->base_type
;
1622 types
[i
] = GLSL_TYPE_FLOAT
;
1624 glsl_base_type out_type
;
1625 if (supports_ints
|| !type_is_int(ir
->type
->base_type
))
1626 out_type
= ir
->type
->base_type
;
1628 out_type
= GLSL_TYPE_FLOAT
;
1630 switch (ir
->operation
) {
1631 case ir_unop_bit_not
: result
= nir_inot(&b
, srcs
[0]); break;
1632 case ir_unop_logic_not
:
1633 result
= nir_inot(&b
, srcs
[0]);
1636 result
= type_is_float(types
[0]) ? nir_fneg(&b
, srcs
[0])
1637 : nir_ineg(&b
, srcs
[0]);
1640 result
= type_is_float(types
[0]) ? nir_fabs(&b
, srcs
[0])
1641 : nir_iabs(&b
, srcs
[0]);
1643 case ir_unop_saturate
:
1644 assert(type_is_float(types
[0]));
1645 result
= nir_fsat(&b
, srcs
[0]);
1648 result
= type_is_float(types
[0]) ? nir_fsign(&b
, srcs
[0])
1649 : nir_isign(&b
, srcs
[0]);
1651 case ir_unop_rcp
: result
= nir_frcp(&b
, srcs
[0]); break;
1652 case ir_unop_rsq
: result
= nir_frsq(&b
, srcs
[0]); break;
1653 case ir_unop_sqrt
: result
= nir_fsqrt(&b
, srcs
[0]); break;
1654 case ir_unop_exp
: unreachable("ir_unop_exp should have been lowered");
1655 case ir_unop_log
: unreachable("ir_unop_log should have been lowered");
1656 case ir_unop_exp2
: result
= nir_fexp2(&b
, srcs
[0]); break;
1657 case ir_unop_log2
: result
= nir_flog2(&b
, srcs
[0]); break;
1659 result
= supports_ints
? nir_i2f32(&b
, srcs
[0]) : nir_fmov(&b
, srcs
[0]);
1662 result
= supports_ints
? nir_u2f32(&b
, srcs
[0]) : nir_fmov(&b
, srcs
[0]);
1665 result
= nir_b2f32(&b
, srcs
[0]);
1668 result
= supports_ints
? nir_f2i32(&b
, srcs
[0]) : nir_ftrunc(&b
, srcs
[0]);
1671 result
= supports_ints
? nir_f2u32(&b
, srcs
[0]) : nir_ftrunc(&b
, srcs
[0]);
1703 case ir_unop_i642u64
:
1704 case ir_unop_u642i64
: {
1705 nir_alu_type src_type
= nir_get_nir_type_for_glsl_base_type(types
[0]);
1706 nir_alu_type dst_type
= nir_get_nir_type_for_glsl_base_type(out_type
);
1707 result
= nir_build_alu(&b
, nir_type_conversion_op(src_type
, dst_type
,
1708 nir_rounding_mode_undef
),
1709 srcs
[0], NULL
, NULL
, NULL
);
1710 /* b2i and b2f don't have fixed bit-size versions so the builder will
1711 * just assume 32 and we have to fix it up here.
1713 result
->bit_size
= nir_alu_type_get_type_size(dst_type
);
1717 case ir_unop_bitcast_i2f
:
1718 case ir_unop_bitcast_f2i
:
1719 case ir_unop_bitcast_u2f
:
1720 case ir_unop_bitcast_f2u
:
1721 case ir_unop_bitcast_i642d
:
1722 case ir_unop_bitcast_d2i64
:
1723 case ir_unop_bitcast_u642d
:
1724 case ir_unop_bitcast_d2u64
:
1725 case ir_unop_subroutine_to_int
:
1727 result
= nir_imov(&b
, srcs
[0]);
1729 case ir_unop_trunc
: result
= nir_ftrunc(&b
, srcs
[0]); break;
1730 case ir_unop_ceil
: result
= nir_fceil(&b
, srcs
[0]); break;
1731 case ir_unop_floor
: result
= nir_ffloor(&b
, srcs
[0]); break;
1732 case ir_unop_fract
: result
= nir_ffract(&b
, srcs
[0]); break;
1733 case ir_unop_frexp_exp
: result
= nir_frexp_exp(&b
, srcs
[0]); break;
1734 case ir_unop_frexp_sig
: result
= nir_frexp_sig(&b
, srcs
[0]); break;
1735 case ir_unop_round_even
: result
= nir_fround_even(&b
, srcs
[0]); break;
1736 case ir_unop_sin
: result
= nir_fsin(&b
, srcs
[0]); break;
1737 case ir_unop_cos
: result
= nir_fcos(&b
, srcs
[0]); break;
1738 case ir_unop_dFdx
: result
= nir_fddx(&b
, srcs
[0]); break;
1739 case ir_unop_dFdy
: result
= nir_fddy(&b
, srcs
[0]); break;
1740 case ir_unop_dFdx_fine
: result
= nir_fddx_fine(&b
, srcs
[0]); break;
1741 case ir_unop_dFdy_fine
: result
= nir_fddy_fine(&b
, srcs
[0]); break;
1742 case ir_unop_dFdx_coarse
: result
= nir_fddx_coarse(&b
, srcs
[0]); break;
1743 case ir_unop_dFdy_coarse
: result
= nir_fddy_coarse(&b
, srcs
[0]); break;
1744 case ir_unop_pack_snorm_2x16
:
1745 result
= nir_pack_snorm_2x16(&b
, srcs
[0]);
1747 case ir_unop_pack_snorm_4x8
:
1748 result
= nir_pack_snorm_4x8(&b
, srcs
[0]);
1750 case ir_unop_pack_unorm_2x16
:
1751 result
= nir_pack_unorm_2x16(&b
, srcs
[0]);
1753 case ir_unop_pack_unorm_4x8
:
1754 result
= nir_pack_unorm_4x8(&b
, srcs
[0]);
1756 case ir_unop_pack_half_2x16
:
1757 result
= nir_pack_half_2x16(&b
, srcs
[0]);
1759 case ir_unop_unpack_snorm_2x16
:
1760 result
= nir_unpack_snorm_2x16(&b
, srcs
[0]);
1762 case ir_unop_unpack_snorm_4x8
:
1763 result
= nir_unpack_snorm_4x8(&b
, srcs
[0]);
1765 case ir_unop_unpack_unorm_2x16
:
1766 result
= nir_unpack_unorm_2x16(&b
, srcs
[0]);
1768 case ir_unop_unpack_unorm_4x8
:
1769 result
= nir_unpack_unorm_4x8(&b
, srcs
[0]);
1771 case ir_unop_unpack_half_2x16
:
1772 result
= nir_unpack_half_2x16(&b
, srcs
[0]);
1774 case ir_unop_pack_sampler_2x32
:
1775 case ir_unop_pack_image_2x32
:
1776 case ir_unop_pack_double_2x32
:
1777 case ir_unop_pack_int_2x32
:
1778 case ir_unop_pack_uint_2x32
:
1779 result
= nir_pack_64_2x32(&b
, srcs
[0]);
1781 case ir_unop_unpack_sampler_2x32
:
1782 case ir_unop_unpack_image_2x32
:
1783 case ir_unop_unpack_double_2x32
:
1784 case ir_unop_unpack_int_2x32
:
1785 case ir_unop_unpack_uint_2x32
:
1786 result
= nir_unpack_64_2x32(&b
, srcs
[0]);
1788 case ir_unop_bitfield_reverse
:
1789 result
= nir_bitfield_reverse(&b
, srcs
[0]);
1791 case ir_unop_bit_count
:
1792 result
= nir_bit_count(&b
, srcs
[0]);
1794 case ir_unop_find_msb
:
1796 case GLSL_TYPE_UINT
:
1797 result
= nir_ufind_msb(&b
, srcs
[0]);
1800 result
= nir_ifind_msb(&b
, srcs
[0]);
1803 unreachable("Invalid type for findMSB()");
1806 case ir_unop_find_lsb
:
1807 result
= nir_find_lsb(&b
, srcs
[0]);
1811 switch (ir
->type
->vector_elements
) {
1813 switch (ir
->operands
[0]->type
->vector_elements
) {
1814 case 1: result
= nir_fnoise1_1(&b
, srcs
[0]); break;
1815 case 2: result
= nir_fnoise1_2(&b
, srcs
[0]); break;
1816 case 3: result
= nir_fnoise1_3(&b
, srcs
[0]); break;
1817 case 4: result
= nir_fnoise1_4(&b
, srcs
[0]); break;
1818 default: unreachable("not reached");
1822 switch (ir
->operands
[0]->type
->vector_elements
) {
1823 case 1: result
= nir_fnoise2_1(&b
, srcs
[0]); break;
1824 case 2: result
= nir_fnoise2_2(&b
, srcs
[0]); break;
1825 case 3: result
= nir_fnoise2_3(&b
, srcs
[0]); break;
1826 case 4: result
= nir_fnoise2_4(&b
, srcs
[0]); break;
1827 default: unreachable("not reached");
1831 switch (ir
->operands
[0]->type
->vector_elements
) {
1832 case 1: result
= nir_fnoise3_1(&b
, srcs
[0]); break;
1833 case 2: result
= nir_fnoise3_2(&b
, srcs
[0]); break;
1834 case 3: result
= nir_fnoise3_3(&b
, srcs
[0]); break;
1835 case 4: result
= nir_fnoise3_4(&b
, srcs
[0]); break;
1836 default: unreachable("not reached");
1840 switch (ir
->operands
[0]->type
->vector_elements
) {
1841 case 1: result
= nir_fnoise4_1(&b
, srcs
[0]); break;
1842 case 2: result
= nir_fnoise4_2(&b
, srcs
[0]); break;
1843 case 3: result
= nir_fnoise4_3(&b
, srcs
[0]); break;
1844 case 4: result
= nir_fnoise4_4(&b
, srcs
[0]); break;
1845 default: unreachable("not reached");
1849 unreachable("not reached");
1852 case ir_unop_get_buffer_size
: {
1853 nir_intrinsic_instr
*load
= nir_intrinsic_instr_create(
1855 nir_intrinsic_get_buffer_size
);
1856 load
->num_components
= ir
->type
->vector_elements
;
1857 load
->src
[0] = nir_src_for_ssa(evaluate_rvalue(ir
->operands
[0]));
1858 unsigned bit_size
= glsl_get_bit_size(ir
->type
);
1859 add_instr(&load
->instr
, ir
->type
->vector_elements
, bit_size
);
1864 result
= type_is_float(out_type
) ? nir_fadd(&b
, srcs
[0], srcs
[1])
1865 : nir_iadd(&b
, srcs
[0], srcs
[1]);
1868 result
= type_is_float(out_type
) ? nir_fsub(&b
, srcs
[0], srcs
[1])
1869 : nir_isub(&b
, srcs
[0], srcs
[1]);
1872 if (type_is_float(out_type
))
1873 result
= nir_fmul(&b
, srcs
[0], srcs
[1]);
1874 else if (out_type
== GLSL_TYPE_INT64
&&
1875 (ir
->operands
[0]->type
->base_type
== GLSL_TYPE_INT
||
1876 ir
->operands
[1]->type
->base_type
== GLSL_TYPE_INT
))
1877 result
= nir_imul_2x32_64(&b
, srcs
[0], srcs
[1]);
1878 else if (out_type
== GLSL_TYPE_UINT64
&&
1879 (ir
->operands
[0]->type
->base_type
== GLSL_TYPE_UINT
||
1880 ir
->operands
[1]->type
->base_type
== GLSL_TYPE_UINT
))
1881 result
= nir_umul_2x32_64(&b
, srcs
[0], srcs
[1]);
1883 result
= nir_imul(&b
, srcs
[0], srcs
[1]);
1886 if (type_is_float(out_type
))
1887 result
= nir_fdiv(&b
, srcs
[0], srcs
[1]);
1888 else if (type_is_signed(out_type
))
1889 result
= nir_idiv(&b
, srcs
[0], srcs
[1]);
1891 result
= nir_udiv(&b
, srcs
[0], srcs
[1]);
1894 result
= type_is_float(out_type
) ? nir_fmod(&b
, srcs
[0], srcs
[1])
1895 : nir_umod(&b
, srcs
[0], srcs
[1]);
1898 if (type_is_float(out_type
))
1899 result
= nir_fmin(&b
, srcs
[0], srcs
[1]);
1900 else if (type_is_signed(out_type
))
1901 result
= nir_imin(&b
, srcs
[0], srcs
[1]);
1903 result
= nir_umin(&b
, srcs
[0], srcs
[1]);
1906 if (type_is_float(out_type
))
1907 result
= nir_fmax(&b
, srcs
[0], srcs
[1]);
1908 else if (type_is_signed(out_type
))
1909 result
= nir_imax(&b
, srcs
[0], srcs
[1]);
1911 result
= nir_umax(&b
, srcs
[0], srcs
[1]);
1913 case ir_binop_pow
: result
= nir_fpow(&b
, srcs
[0], srcs
[1]); break;
1914 case ir_binop_bit_and
: result
= nir_iand(&b
, srcs
[0], srcs
[1]); break;
1915 case ir_binop_bit_or
: result
= nir_ior(&b
, srcs
[0], srcs
[1]); break;
1916 case ir_binop_bit_xor
: result
= nir_ixor(&b
, srcs
[0], srcs
[1]); break;
1917 case ir_binop_logic_and
:
1918 result
= nir_iand(&b
, srcs
[0], srcs
[1]);
1920 case ir_binop_logic_or
:
1921 result
= nir_ior(&b
, srcs
[0], srcs
[1]);
1923 case ir_binop_logic_xor
:
1924 result
= nir_ixor(&b
, srcs
[0], srcs
[1]);
1926 case ir_binop_lshift
: result
= nir_ishl(&b
, srcs
[0], srcs
[1]); break;
1927 case ir_binop_rshift
:
1928 result
= (type_is_signed(out_type
)) ? nir_ishr(&b
, srcs
[0], srcs
[1])
1929 : nir_ushr(&b
, srcs
[0], srcs
[1]);
1931 case ir_binop_imul_high
:
1932 result
= (out_type
== GLSL_TYPE_INT
) ? nir_imul_high(&b
, srcs
[0], srcs
[1])
1933 : nir_umul_high(&b
, srcs
[0], srcs
[1]);
1935 case ir_binop_carry
: result
= nir_uadd_carry(&b
, srcs
[0], srcs
[1]); break;
1936 case ir_binop_borrow
: result
= nir_usub_borrow(&b
, srcs
[0], srcs
[1]); break;
1938 if (type_is_float(types
[0]))
1939 result
= nir_flt(&b
, srcs
[0], srcs
[1]);
1940 else if (type_is_signed(types
[0]))
1941 result
= nir_ilt(&b
, srcs
[0], srcs
[1]);
1943 result
= nir_ult(&b
, srcs
[0], srcs
[1]);
1945 case ir_binop_gequal
:
1946 if (type_is_float(types
[0]))
1947 result
= nir_fge(&b
, srcs
[0], srcs
[1]);
1948 else if (type_is_signed(types
[0]))
1949 result
= nir_ige(&b
, srcs
[0], srcs
[1]);
1951 result
= nir_uge(&b
, srcs
[0], srcs
[1]);
1953 case ir_binop_equal
:
1954 if (type_is_float(types
[0]))
1955 result
= nir_feq(&b
, srcs
[0], srcs
[1]);
1957 result
= nir_ieq(&b
, srcs
[0], srcs
[1]);
1959 case ir_binop_nequal
:
1960 if (type_is_float(types
[0]))
1961 result
= nir_fne(&b
, srcs
[0], srcs
[1]);
1963 result
= nir_ine(&b
, srcs
[0], srcs
[1]);
1965 case ir_binop_all_equal
:
1966 if (type_is_float(types
[0])) {
1967 switch (ir
->operands
[0]->type
->vector_elements
) {
1968 case 1: result
= nir_feq(&b
, srcs
[0], srcs
[1]); break;
1969 case 2: result
= nir_ball_fequal2(&b
, srcs
[0], srcs
[1]); break;
1970 case 3: result
= nir_ball_fequal3(&b
, srcs
[0], srcs
[1]); break;
1971 case 4: result
= nir_ball_fequal4(&b
, srcs
[0], srcs
[1]); break;
1973 unreachable("not reached");
1976 switch (ir
->operands
[0]->type
->vector_elements
) {
1977 case 1: result
= nir_ieq(&b
, srcs
[0], srcs
[1]); break;
1978 case 2: result
= nir_ball_iequal2(&b
, srcs
[0], srcs
[1]); break;
1979 case 3: result
= nir_ball_iequal3(&b
, srcs
[0], srcs
[1]); break;
1980 case 4: result
= nir_ball_iequal4(&b
, srcs
[0], srcs
[1]); break;
1982 unreachable("not reached");
1986 case ir_binop_any_nequal
:
1987 if (type_is_float(types
[0])) {
1988 switch (ir
->operands
[0]->type
->vector_elements
) {
1989 case 1: result
= nir_fne(&b
, srcs
[0], srcs
[1]); break;
1990 case 2: result
= nir_bany_fnequal2(&b
, srcs
[0], srcs
[1]); break;
1991 case 3: result
= nir_bany_fnequal3(&b
, srcs
[0], srcs
[1]); break;
1992 case 4: result
= nir_bany_fnequal4(&b
, srcs
[0], srcs
[1]); break;
1994 unreachable("not reached");
1997 switch (ir
->operands
[0]->type
->vector_elements
) {
1998 case 1: result
= nir_ine(&b
, srcs
[0], srcs
[1]); break;
1999 case 2: result
= nir_bany_inequal2(&b
, srcs
[0], srcs
[1]); break;
2000 case 3: result
= nir_bany_inequal3(&b
, srcs
[0], srcs
[1]); break;
2001 case 4: result
= nir_bany_inequal4(&b
, srcs
[0], srcs
[1]); break;
2003 unreachable("not reached");
2008 switch (ir
->operands
[0]->type
->vector_elements
) {
2009 case 2: result
= nir_fdot2(&b
, srcs
[0], srcs
[1]); break;
2010 case 3: result
= nir_fdot3(&b
, srcs
[0], srcs
[1]); break;
2011 case 4: result
= nir_fdot4(&b
, srcs
[0], srcs
[1]); break;
2013 unreachable("not reached");
2016 case ir_binop_vector_extract
: {
2017 result
= nir_channel(&b
, srcs
[0], 0);
2018 for (unsigned i
= 1; i
< ir
->operands
[0]->type
->vector_elements
; i
++) {
2019 nir_ssa_def
*swizzled
= nir_channel(&b
, srcs
[0], i
);
2020 result
= nir_bcsel(&b
, nir_ieq(&b
, srcs
[1], nir_imm_int(&b
, i
)),
2026 case ir_binop_ldexp
: result
= nir_ldexp(&b
, srcs
[0], srcs
[1]); break;
2028 result
= nir_ffma(&b
, srcs
[0], srcs
[1], srcs
[2]);
2031 result
= nir_flrp(&b
, srcs
[0], srcs
[1], srcs
[2]);
2034 result
= nir_bcsel(&b
, srcs
[0], srcs
[1], srcs
[2]);
2036 case ir_triop_bitfield_extract
:
2037 result
= (out_type
== GLSL_TYPE_INT
) ?
2038 nir_ibitfield_extract(&b
, srcs
[0], srcs
[1], srcs
[2]) :
2039 nir_ubitfield_extract(&b
, srcs
[0], srcs
[1], srcs
[2]);
2041 case ir_quadop_bitfield_insert
:
2042 result
= nir_bitfield_insert(&b
, srcs
[0], srcs
[1], srcs
[2], srcs
[3]);
2044 case ir_quadop_vector
:
2045 result
= nir_vec(&b
, srcs
, ir
->type
->vector_elements
);
2049 unreachable("not reached");
2054 nir_visitor::visit(ir_swizzle
*ir
)
2056 unsigned swizzle
[4] = { ir
->mask
.x
, ir
->mask
.y
, ir
->mask
.z
, ir
->mask
.w
};
2057 result
= nir_swizzle(&b
, evaluate_rvalue(ir
->val
), swizzle
,
2058 ir
->type
->vector_elements
, false);
2062 nir_visitor::visit(ir_texture
*ir
)
2069 num_srcs
= 1; /* coordinate */
2074 op
= (ir
->op
== ir_txb
) ? nir_texop_txb
: nir_texop_txl
;
2075 num_srcs
= 2; /* coordinate, bias/lod */
2079 op
= nir_texop_txd
; /* coordinate, dPdx, dPdy */
2085 if (ir
->lod_info
.lod
!= NULL
)
2086 num_srcs
= 2; /* coordinate, lod */
2088 num_srcs
= 1; /* coordinate */
2092 op
= nir_texop_txf_ms
;
2093 num_srcs
= 2; /* coordinate, sample_index */
2098 if (ir
->lod_info
.lod
!= NULL
)
2099 num_srcs
= 1; /* lod */
2106 num_srcs
= 1; /* coordinate */
2111 num_srcs
= 1; /* coordinate */
2114 case ir_query_levels
:
2115 op
= nir_texop_query_levels
;
2119 case ir_texture_samples
:
2120 op
= nir_texop_texture_samples
;
2124 case ir_samples_identical
:
2125 op
= nir_texop_samples_identical
;
2126 num_srcs
= 1; /* coordinate */
2130 unreachable("not reached");
2133 if (ir
->projector
!= NULL
)
2135 if (ir
->shadow_comparator
!= NULL
)
2137 if (ir
->offset
!= NULL
)
2140 /* Add one for the texture deref */
2143 nir_tex_instr
*instr
= nir_tex_instr_create(this->shader
, num_srcs
);
2146 instr
->sampler_dim
=
2147 (glsl_sampler_dim
) ir
->sampler
->type
->sampler_dimensionality
;
2148 instr
->is_array
= ir
->sampler
->type
->sampler_array
;
2149 instr
->is_shadow
= ir
->sampler
->type
->sampler_shadow
;
2150 if (instr
->is_shadow
)
2151 instr
->is_new_style_shadow
= (ir
->type
->vector_elements
== 1);
2152 switch (ir
->type
->base_type
) {
2153 case GLSL_TYPE_FLOAT
:
2154 instr
->dest_type
= nir_type_float
;
2157 instr
->dest_type
= nir_type_int
;
2159 case GLSL_TYPE_BOOL
:
2160 case GLSL_TYPE_UINT
:
2161 instr
->dest_type
= nir_type_uint
;
2164 unreachable("not reached");
2167 nir_deref_instr
*sampler_deref
= evaluate_deref(ir
->sampler
);
2168 instr
->src
[0].src
= nir_src_for_ssa(&sampler_deref
->dest
.ssa
);
2169 instr
->src
[0].src_type
= nir_tex_src_texture_deref
;
2170 instr
->src
[1].src
= nir_src_for_ssa(&sampler_deref
->dest
.ssa
);
2171 instr
->src
[1].src_type
= nir_tex_src_sampler_deref
;
2173 unsigned src_number
= 2;
2175 if (ir
->coordinate
!= NULL
) {
2176 instr
->coord_components
= ir
->coordinate
->type
->vector_elements
;
2177 instr
->src
[src_number
].src
=
2178 nir_src_for_ssa(evaluate_rvalue(ir
->coordinate
));
2179 instr
->src
[src_number
].src_type
= nir_tex_src_coord
;
2183 if (ir
->projector
!= NULL
) {
2184 instr
->src
[src_number
].src
=
2185 nir_src_for_ssa(evaluate_rvalue(ir
->projector
));
2186 instr
->src
[src_number
].src_type
= nir_tex_src_projector
;
2190 if (ir
->shadow_comparator
!= NULL
) {
2191 instr
->src
[src_number
].src
=
2192 nir_src_for_ssa(evaluate_rvalue(ir
->shadow_comparator
));
2193 instr
->src
[src_number
].src_type
= nir_tex_src_comparator
;
2197 if (ir
->offset
!= NULL
) {
2198 /* we don't support multiple offsets yet */
2199 assert(ir
->offset
->type
->is_vector() || ir
->offset
->type
->is_scalar());
2201 instr
->src
[src_number
].src
=
2202 nir_src_for_ssa(evaluate_rvalue(ir
->offset
));
2203 instr
->src
[src_number
].src_type
= nir_tex_src_offset
;
2209 instr
->src
[src_number
].src
=
2210 nir_src_for_ssa(evaluate_rvalue(ir
->lod_info
.bias
));
2211 instr
->src
[src_number
].src_type
= nir_tex_src_bias
;
2218 if (ir
->lod_info
.lod
!= NULL
) {
2219 instr
->src
[src_number
].src
=
2220 nir_src_for_ssa(evaluate_rvalue(ir
->lod_info
.lod
));
2221 instr
->src
[src_number
].src_type
= nir_tex_src_lod
;
2227 instr
->src
[src_number
].src
=
2228 nir_src_for_ssa(evaluate_rvalue(ir
->lod_info
.grad
.dPdx
));
2229 instr
->src
[src_number
].src_type
= nir_tex_src_ddx
;
2231 instr
->src
[src_number
].src
=
2232 nir_src_for_ssa(evaluate_rvalue(ir
->lod_info
.grad
.dPdy
));
2233 instr
->src
[src_number
].src_type
= nir_tex_src_ddy
;
2238 instr
->src
[src_number
].src
=
2239 nir_src_for_ssa(evaluate_rvalue(ir
->lod_info
.sample_index
));
2240 instr
->src
[src_number
].src_type
= nir_tex_src_ms_index
;
2245 instr
->component
= ir
->lod_info
.component
->as_constant()->value
.u
[0];
2252 assert(src_number
== num_srcs
);
2254 unsigned bit_size
= glsl_get_bit_size(ir
->type
);
2255 add_instr(&instr
->instr
, nir_tex_instr_dest_size(instr
), bit_size
);
2259 nir_visitor::visit(ir_constant
*ir
)
2262 * We don't know if this variable is an array or struct that gets
2263 * dereferenced, so do the safe thing an make it a variable with a
2264 * constant initializer and return a dereference.
2268 nir_local_variable_create(this->impl
, ir
->type
, "const_temp");
2269 var
->data
.read_only
= true;
2270 var
->constant_initializer
= constant_copy(ir
, var
);
2272 this->deref
= nir_build_deref_var(&b
, var
);
2276 nir_visitor::visit(ir_dereference_variable
*ir
)
2278 if (ir
->variable_referenced()->data
.mode
== ir_var_function_out
) {
2279 unsigned i
= (sig
->return_type
!= glsl_type::void_type
) ? 1 : 0;
2281 foreach_in_list(ir_variable
, param
, &sig
->parameters
) {
2282 if (param
== ir
->variable_referenced()) {
2288 this->deref
= nir_build_deref_cast(&b
, nir_load_param(&b
, i
),
2289 nir_var_function_temp
, ir
->type
, 0);
2293 assert(ir
->variable_referenced()->data
.mode
!= ir_var_function_inout
);
2295 struct hash_entry
*entry
=
2296 _mesa_hash_table_search(this->var_table
, ir
->var
);
2298 nir_variable
*var
= (nir_variable
*) entry
->data
;
2300 this->deref
= nir_build_deref_var(&b
, var
);
2304 nir_visitor::visit(ir_dereference_record
*ir
)
2306 ir
->record
->accept(this);
2308 int field_index
= ir
->field_idx
;
2309 assert(field_index
>= 0);
2311 this->deref
= nir_build_deref_struct(&b
, this->deref
, field_index
);
2315 nir_visitor::visit(ir_dereference_array
*ir
)
2317 nir_ssa_def
*index
= evaluate_rvalue(ir
->array_index
);
2319 ir
->array
->accept(this);
2321 this->deref
= nir_build_deref_array(&b
, this->deref
, index
);
2325 nir_visitor::visit(ir_barrier
*)
2327 nir_intrinsic_instr
*instr
=
2328 nir_intrinsic_instr_create(this->shader
, nir_intrinsic_barrier
);
2329 nir_builder_instr_insert(&b
, &instr
->instr
);
2333 glsl_float64_funcs_to_nir(struct gl_context
*ctx
,
2334 const nir_shader_compiler_options
*options
)
2336 /* We pretend it's a vertex shader. Ultimately, the stage shouldn't
2337 * matter because we're not optimizing anything here.
2339 struct gl_shader
*sh
= _mesa_new_shader(-1, MESA_SHADER_VERTEX
);
2340 sh
->Source
= float64_source
;
2341 sh
->CompileStatus
= COMPILE_FAILURE
;
2342 _mesa_glsl_compile_shader(ctx
, sh
, false, false, true);
2344 if (!sh
->CompileStatus
) {
2347 "fp64 software impl compile failed:\n%s\nsource:\n%s\n",
2348 sh
->InfoLog
, float64_source
);
2353 nir_shader
*nir
= nir_shader_create(NULL
, MESA_SHADER_VERTEX
, options
, NULL
);
2355 nir_visitor
v1(nir
);
2356 nir_function_visitor
v2(&v1
);
2358 visit_exec_list(sh
->ir
, &v1
);
2360 /* _mesa_delete_shader will try to free sh->Source but it's static const */
2362 _mesa_delete_shader(ctx
, sh
);
2364 nir_validate_shader(nir
, "float64_funcs_to_nir");
2366 NIR_PASS_V(nir
, nir_lower_constant_initializers
, nir_var_function_temp
);
2367 NIR_PASS_V(nir
, nir_lower_returns
);
2368 NIR_PASS_V(nir
, nir_inline_functions
);
2369 NIR_PASS_V(nir
, nir_opt_deref
);