2 * Copyright © 2010 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
21 * DEALINGS IN THE SOFTWARE.
24 #include "ir_print_visitor.h"
25 #include "compiler/glsl_types.h"
26 #include "glsl_parser_extras.h"
27 #include "main/macros.h"
28 #include "util/hash_table.h"
30 static void print_type(FILE *f
, const glsl_type
*t
);
33 ir_instruction::print(void) const
39 ir_instruction::fprint(FILE *f
) const
41 ir_instruction
*deconsted
= const_cast<ir_instruction
*>(this);
43 ir_print_visitor
v(f
);
44 deconsted
->accept(&v
);
49 _mesa_print_ir(FILE *f
, exec_list
*instructions
,
50 struct _mesa_glsl_parse_state
*state
)
53 for (unsigned i
= 0; i
< state
->num_user_structures
; i
++) {
54 const glsl_type
*const s
= state
->user_structures
[i
];
56 fprintf(f
, "(structure (%s) (%s@%p) (%u) (\n",
57 s
->name
, s
->name
, (void *) s
, s
->length
);
59 for (unsigned j
= 0; j
< s
->length
; j
++) {
61 print_type(f
, s
->fields
.structure
[j
].type
);
62 fprintf(f
, ")(%s))\n", s
->fields
.structure
[j
].name
);
70 foreach_in_list(ir_instruction
, ir
, instructions
) {
72 if (ir
->ir_type
!= ir_type_function
)
79 fprint_ir(FILE *f
, const void *instruction
)
81 const ir_instruction
*ir
= (const ir_instruction
*)instruction
;
87 ir_print_visitor::ir_print_visitor(FILE *f
)
92 _mesa_hash_table_create(NULL
, _mesa_hash_pointer
, _mesa_key_pointer_equal
);
93 symbols
= _mesa_symbol_table_ctor();
94 mem_ctx
= ralloc_context(NULL
);
97 ir_print_visitor::~ir_print_visitor()
99 _mesa_hash_table_destroy(printable_names
, NULL
);
100 _mesa_symbol_table_dtor(symbols
);
101 ralloc_free(mem_ctx
);
104 void ir_print_visitor::indent(void)
106 for (int i
= 0; i
< indentation
; i
++)
111 ir_print_visitor::unique_name(ir_variable
*var
)
113 /* var->name can be NULL in function prototypes when a type is given for a
114 * parameter but no name is given. In that case, just return an empty
115 * string. Don't worry about tracking the generated name in the printable
116 * names hash because this is the only scope where it can ever appear.
118 if (var
->name
== NULL
) {
119 static unsigned arg
= 1;
120 return ralloc_asprintf(this->mem_ctx
, "parameter@%u", arg
++);
123 /* Do we already have a name for this variable? */
124 struct hash_entry
* entry
=
125 _mesa_hash_table_search(this->printable_names
, var
);
128 return (const char *) entry
->data
;
131 /* If there's no conflict, just use the original name */
132 const char* name
= NULL
;
133 if (_mesa_symbol_table_find_symbol(this->symbols
, -1, var
->name
) == NULL
) {
136 static unsigned i
= 1;
137 name
= ralloc_asprintf(this->mem_ctx
, "%s@%u", var
->name
, ++i
);
139 _mesa_hash_table_insert(this->printable_names
, var
, (void *) name
);
140 _mesa_symbol_table_add_symbol(this->symbols
, -1, name
, var
);
145 print_type(FILE *f
, const glsl_type
*t
)
147 if (t
->base_type
== GLSL_TYPE_ARRAY
) {
148 fprintf(f
, "(array ");
149 print_type(f
, t
->fields
.array
);
150 fprintf(f
, " %u)", t
->length
);
151 } else if ((t
->base_type
== GLSL_TYPE_STRUCT
)
152 && !is_gl_identifier(t
->name
)) {
153 fprintf(f
, "%s@%p", t
->name
, (void *) t
);
155 fprintf(f
, "%s", t
->name
);
159 void ir_print_visitor::visit(ir_rvalue
*)
164 void ir_print_visitor::visit(ir_variable
*ir
)
166 fprintf(f
, "(declare ");
169 if (ir
->data
.location
!= -1)
170 snprintf(loc
, sizeof(loc
), "location=%i ", ir
->data
.location
);
172 const char *const cent
= (ir
->data
.centroid
) ? "centroid " : "";
173 const char *const samp
= (ir
->data
.sample
) ? "sample " : "";
174 const char *const patc
= (ir
->data
.patch
) ? "patch " : "";
175 const char *const inv
= (ir
->data
.invariant
) ? "invariant " : "";
176 const char *const prec
= (ir
->data
.precise
) ? "precise " : "";
177 const char *const mode
[] = { "", "uniform ", "shader_storage ",
178 "shader_shared ", "shader_in ", "shader_out ",
179 "in ", "out ", "inout ",
180 "const_in ", "sys ", "temporary " };
181 STATIC_ASSERT(ARRAY_SIZE(mode
) == ir_var_mode_count
);
182 const char *const stream
[] = {"", "stream1 ", "stream2 ", "stream3 "};
183 const char *const interp
[] = { "", "smooth", "flat", "noperspective" };
184 STATIC_ASSERT(ARRAY_SIZE(interp
) == INTERP_QUALIFIER_COUNT
);
186 fprintf(f
, "(%s%s%s%s%s%s%s%s%s) ",
187 loc
, cent
, samp
, patc
, inv
, prec
, mode
[ir
->data
.mode
],
188 stream
[ir
->data
.stream
],
189 interp
[ir
->data
.interpolation
]);
191 print_type(f
, ir
->type
);
192 fprintf(f
, " %s)", unique_name(ir
));
196 void ir_print_visitor::visit(ir_function_signature
*ir
)
198 _mesa_symbol_table_push_scope(symbols
);
199 fprintf(f
, "(signature ");
202 print_type(f
, ir
->return_type
);
206 fprintf(f
, "(parameters\n");
209 foreach_in_list(ir_variable
, inst
, &ir
->parameters
) {
224 foreach_in_list(ir_instruction
, inst
, &ir
->body
) {
233 _mesa_symbol_table_pop_scope(symbols
);
237 void ir_print_visitor::visit(ir_function
*ir
)
239 fprintf(f
, "(%s function %s\n", ir
->is_subroutine
? "subroutine" : "", ir
->name
);
241 foreach_in_list(ir_function_signature
, sig
, &ir
->signatures
) {
252 void ir_print_visitor::visit(ir_expression
*ir
)
254 fprintf(f
, "(expression ");
256 print_type(f
, ir
->type
);
258 fprintf(f
, " %s ", ir
->operator_string());
260 for (unsigned i
= 0; i
< ir
->get_num_operands(); i
++) {
261 ir
->operands
[i
]->accept(this);
268 void ir_print_visitor::visit(ir_texture
*ir
)
270 fprintf(f
, "(%s ", ir
->opcode_string());
272 if (ir
->op
== ir_samples_identical
) {
273 ir
->sampler
->accept(this);
275 ir
->coordinate
->accept(this);
280 print_type(f
, ir
->type
);
283 ir
->sampler
->accept(this);
286 if (ir
->op
!= ir_txs
&& ir
->op
!= ir_query_levels
&&
287 ir
->op
!= ir_texture_samples
) {
288 ir
->coordinate
->accept(this);
292 if (ir
->offset
!= NULL
) {
293 ir
->offset
->accept(this);
301 if (ir
->op
!= ir_txf
&& ir
->op
!= ir_txf_ms
&&
302 ir
->op
!= ir_txs
&& ir
->op
!= ir_tg4
&&
303 ir
->op
!= ir_query_levels
&& ir
->op
!= ir_texture_samples
) {
305 ir
->projector
->accept(this);
309 if (ir
->shadow_comparitor
) {
311 ir
->shadow_comparitor
->accept(this);
322 case ir_query_levels
:
323 case ir_texture_samples
:
326 ir
->lod_info
.bias
->accept(this);
331 ir
->lod_info
.lod
->accept(this);
334 ir
->lod_info
.sample_index
->accept(this);
338 ir
->lod_info
.grad
.dPdx
->accept(this);
340 ir
->lod_info
.grad
.dPdy
->accept(this);
344 ir
->lod_info
.component
->accept(this);
346 case ir_samples_identical
:
347 unreachable(!"ir_samples_identical was already handled");
353 void ir_print_visitor::visit(ir_swizzle
*ir
)
355 const unsigned swiz
[4] = {
362 fprintf(f
, "(swiz ");
363 for (unsigned i
= 0; i
< ir
->mask
.num_components
; i
++) {
364 fprintf(f
, "%c", "xyzw"[swiz
[i
]]);
367 ir
->val
->accept(this);
372 void ir_print_visitor::visit(ir_dereference_variable
*ir
)
374 ir_variable
*var
= ir
->variable_referenced();
375 fprintf(f
, "(var_ref %s) ", unique_name(var
));
379 void ir_print_visitor::visit(ir_dereference_array
*ir
)
381 fprintf(f
, "(array_ref ");
382 ir
->array
->accept(this);
383 ir
->array_index
->accept(this);
388 void ir_print_visitor::visit(ir_dereference_record
*ir
)
390 fprintf(f
, "(record_ref ");
391 ir
->record
->accept(this);
392 fprintf(f
, " %s) ", ir
->field
);
396 void ir_print_visitor::visit(ir_assignment
*ir
)
398 fprintf(f
, "(assign ");
401 ir
->condition
->accept(this);
406 for (unsigned i
= 0; i
< 4; i
++) {
407 if ((ir
->write_mask
& (1 << i
)) != 0) {
414 fprintf(f
, " (%s) ", mask
);
416 ir
->lhs
->accept(this);
420 ir
->rhs
->accept(this);
425 void ir_print_visitor::visit(ir_constant
*ir
)
427 fprintf(f
, "(constant ");
428 print_type(f
, ir
->type
);
431 if (ir
->type
->is_array()) {
432 for (unsigned i
= 0; i
< ir
->type
->length
; i
++)
433 ir
->get_array_element(i
)->accept(this);
434 } else if (ir
->type
->is_record()) {
435 ir_constant
*value
= (ir_constant
*) ir
->components
.get_head();
436 for (unsigned i
= 0; i
< ir
->type
->length
; i
++) {
437 fprintf(f
, "(%s ", ir
->type
->fields
.structure
[i
].name
);
441 value
= (ir_constant
*) value
->next
;
444 for (unsigned i
= 0; i
< ir
->type
->components(); i
++) {
447 switch (ir
->type
->base_type
) {
448 case GLSL_TYPE_UINT
: fprintf(f
, "%u", ir
->value
.u
[i
]); break;
449 case GLSL_TYPE_INT
: fprintf(f
, "%d", ir
->value
.i
[i
]); break;
450 case GLSL_TYPE_FLOAT
:
451 if (ir
->value
.f
[i
] == 0.0f
)
452 /* 0.0 == -0.0, so print with %f to get the proper sign. */
453 fprintf(f
, "%f", ir
->value
.f
[i
]);
454 else if (fabs(ir
->value
.f
[i
]) < 0.000001f
)
455 fprintf(f
, "%a", ir
->value
.f
[i
]);
456 else if (fabs(ir
->value
.f
[i
]) > 1000000.0f
)
457 fprintf(f
, "%e", ir
->value
.f
[i
]);
459 fprintf(f
, "%f", ir
->value
.f
[i
]);
461 case GLSL_TYPE_BOOL
: fprintf(f
, "%d", ir
->value
.b
[i
]); break;
462 case GLSL_TYPE_DOUBLE
:
463 if (ir
->value
.d
[i
] == 0.0)
464 /* 0.0 == -0.0, so print with %f to get the proper sign. */
465 fprintf(f
, "%.1f", ir
->value
.d
[i
]);
466 else if (fabs(ir
->value
.d
[i
]) < 0.000001)
467 fprintf(f
, "%a", ir
->value
.d
[i
]);
468 else if (fabs(ir
->value
.d
[i
]) > 1000000.0)
469 fprintf(f
, "%e", ir
->value
.d
[i
]);
471 fprintf(f
, "%f", ir
->value
.d
[i
]);
482 ir_print_visitor::visit(ir_call
*ir
)
484 fprintf(f
, "(call %s ", ir
->callee_name());
485 if (ir
->return_deref
)
486 ir
->return_deref
->accept(this);
488 foreach_in_list(ir_rvalue
, param
, &ir
->actual_parameters
) {
496 ir_print_visitor::visit(ir_return
*ir
)
498 fprintf(f
, "(return");
500 ir_rvalue
*const value
= ir
->get_value();
511 ir_print_visitor::visit(ir_discard
*ir
)
513 fprintf(f
, "(discard ");
515 if (ir
->condition
!= NULL
) {
517 ir
->condition
->accept(this);
525 ir_print_visitor::visit(ir_if
*ir
)
528 ir
->condition
->accept(this);
533 foreach_in_list(ir_instruction
, inst
, &ir
->then_instructions
) {
544 if (!ir
->else_instructions
.is_empty()) {
548 foreach_in_list(ir_instruction
, inst
, &ir
->else_instructions
) {
563 ir_print_visitor::visit(ir_loop
*ir
)
565 fprintf(f
, "(loop (\n");
568 foreach_in_list(ir_instruction
, inst
, &ir
->body_instructions
) {
580 ir_print_visitor::visit(ir_loop_jump
*ir
)
582 fprintf(f
, "%s", ir
->is_break() ? "break" : "continue");
586 ir_print_visitor::visit(ir_emit_vertex
*ir
)
588 fprintf(f
, "(emit-vertex ");
589 ir
->stream
->accept(this);
594 ir_print_visitor::visit(ir_end_primitive
*ir
)
596 fprintf(f
, "(end-primitive ");
597 ir
->stream
->accept(this);
602 ir_print_visitor::visit(ir_barrier
*)
604 fprintf(f
, "(barrier)\n");