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 "glsl_types.h"
26 #include "glsl_parser_extras.h"
27 #include "main/macros.h"
28 #include "program/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_list(n
, instructions
) {
71 ir_instruction
*ir
= (ir_instruction
*) n
;
73 if (ir
->ir_type
!= ir_type_function
)
81 ir_print_visitor::ir_print_visitor(FILE *f
)
86 hash_table_ctor(32, hash_table_pointer_hash
, hash_table_pointer_compare
);
87 symbols
= _mesa_symbol_table_ctor();
88 mem_ctx
= ralloc_context(NULL
);
91 ir_print_visitor::~ir_print_visitor()
93 hash_table_dtor(printable_names
);
94 _mesa_symbol_table_dtor(symbols
);
98 void ir_print_visitor::indent(void)
100 for (int i
= 0; i
< indentation
; i
++)
105 ir_print_visitor::unique_name(ir_variable
*var
)
107 /* var->name can be NULL in function prototypes when a type is given for a
108 * parameter but no name is given. In that case, just return an empty
109 * string. Don't worry about tracking the generated name in the printable
110 * names hash because this is the only scope where it can ever appear.
112 if (var
->name
== NULL
) {
113 static unsigned arg
= 1;
114 return ralloc_asprintf(this->mem_ctx
, "parameter@%u", arg
++);
117 /* Do we already have a name for this variable? */
118 const char *name
= (const char *) hash_table_find(this->printable_names
, var
);
122 /* If there's no conflict, just use the original name */
123 if (_mesa_symbol_table_find_symbol(this->symbols
, -1, var
->name
) == NULL
) {
126 static unsigned i
= 1;
127 name
= ralloc_asprintf(this->mem_ctx
, "%s@%u", var
->name
, ++i
);
129 hash_table_insert(this->printable_names
, (void *) name
, var
);
130 _mesa_symbol_table_add_symbol(this->symbols
, -1, name
, var
);
135 print_type(FILE *f
, const glsl_type
*t
)
137 if (t
->base_type
== GLSL_TYPE_ARRAY
) {
138 fprintf(f
, "(array ");
139 print_type(f
, t
->fields
.array
);
140 fprintf(f
, " %u)", t
->length
);
141 } else if ((t
->base_type
== GLSL_TYPE_STRUCT
)
142 && (strncmp("gl_", t
->name
, 3) != 0)) {
143 fprintf(f
, "%s@%p", t
->name
, (void *) t
);
145 fprintf(f
, "%s", t
->name
);
149 void ir_print_visitor::visit(ir_rvalue
*)
154 void ir_print_visitor::visit(ir_variable
*ir
)
156 fprintf(f
, "(declare ");
158 const char *const cent
= (ir
->data
.centroid
) ? "centroid " : "";
159 const char *const samp
= (ir
->data
.sample
) ? "sample " : "";
160 const char *const inv
= (ir
->data
.invariant
) ? "invariant " : "";
161 const char *const mode
[] = { "", "uniform ", "shader_in ", "shader_out ",
162 "in ", "out ", "inout ",
163 "const_in ", "sys ", "temporary " };
164 STATIC_ASSERT(ARRAY_SIZE(mode
) == ir_var_mode_count
);
165 const char *const interp
[] = { "", "smooth", "flat", "noperspective" };
166 STATIC_ASSERT(ARRAY_SIZE(interp
) == INTERP_QUALIFIER_COUNT
);
168 fprintf(f
, "(%s%s%s%s%s) ",
169 cent
, samp
, inv
, mode
[ir
->data
.mode
], interp
[ir
->data
.interpolation
]);
171 print_type(f
, ir
->type
);
172 fprintf(f
, " %s)", unique_name(ir
));
176 void ir_print_visitor::visit(ir_function_signature
*ir
)
178 _mesa_symbol_table_push_scope(symbols
);
179 fprintf(f
, "(signature ");
182 print_type(f
, ir
->return_type
);
186 fprintf(f
, "(parameters\n");
189 foreach_list(n
, &ir
->parameters
) {
190 ir_variable
*const inst
= (ir_variable
*) n
;
206 foreach_list(n
, &ir
->body
) {
207 ir_instruction
*const inst
= (ir_instruction
*) n
;
217 _mesa_symbol_table_pop_scope(symbols
);
221 void ir_print_visitor::visit(ir_function
*ir
)
223 fprintf(f
, "(function %s\n", ir
->name
);
225 foreach_list(n
, &ir
->signatures
) {
226 ir_function_signature
*const sig
= (ir_function_signature
*) n
;
237 void ir_print_visitor::visit(ir_expression
*ir
)
239 fprintf(f
, "(expression ");
241 print_type(f
, ir
->type
);
243 fprintf(f
, " %s ", ir
->operator_string());
245 for (unsigned i
= 0; i
< ir
->get_num_operands(); i
++) {
246 ir
->operands
[i
]->accept(this);
253 void ir_print_visitor::visit(ir_texture
*ir
)
255 fprintf(f
, "(%s ", ir
->opcode_string());
257 print_type(f
, ir
->type
);
260 ir
->sampler
->accept(this);
263 if (ir
->op
!= ir_txs
&& ir
->op
!= ir_query_levels
) {
264 ir
->coordinate
->accept(this);
268 if (ir
->offset
!= NULL
) {
269 ir
->offset
->accept(this);
277 if (ir
->op
!= ir_txf
&& ir
->op
!= ir_txf_ms
&&
278 ir
->op
!= ir_txs
&& ir
->op
!= ir_tg4
&&
279 ir
->op
!= ir_query_levels
) {
281 ir
->projector
->accept(this);
285 if (ir
->shadow_comparitor
) {
287 ir
->shadow_comparitor
->accept(this);
298 case ir_query_levels
:
301 ir
->lod_info
.bias
->accept(this);
306 ir
->lod_info
.lod
->accept(this);
309 ir
->lod_info
.sample_index
->accept(this);
313 ir
->lod_info
.grad
.dPdx
->accept(this);
315 ir
->lod_info
.grad
.dPdy
->accept(this);
319 ir
->lod_info
.component
->accept(this);
326 void ir_print_visitor::visit(ir_swizzle
*ir
)
328 const unsigned swiz
[4] = {
335 fprintf(f
, "(swiz ");
336 for (unsigned i
= 0; i
< ir
->mask
.num_components
; i
++) {
337 fprintf(f
, "%c", "xyzw"[swiz
[i
]]);
340 ir
->val
->accept(this);
345 void ir_print_visitor::visit(ir_dereference_variable
*ir
)
347 ir_variable
*var
= ir
->variable_referenced();
348 fprintf(f
, "(var_ref %s) ", unique_name(var
));
352 void ir_print_visitor::visit(ir_dereference_array
*ir
)
354 fprintf(f
, "(array_ref ");
355 ir
->array
->accept(this);
356 ir
->array_index
->accept(this);
361 void ir_print_visitor::visit(ir_dereference_record
*ir
)
363 fprintf(f
, "(record_ref ");
364 ir
->record
->accept(this);
365 fprintf(f
, " %s) ", ir
->field
);
369 void ir_print_visitor::visit(ir_assignment
*ir
)
371 fprintf(f
, "(assign ");
374 ir
->condition
->accept(this);
379 for (unsigned i
= 0; i
< 4; i
++) {
380 if ((ir
->write_mask
& (1 << i
)) != 0) {
387 fprintf(f
, " (%s) ", mask
);
389 ir
->lhs
->accept(this);
393 ir
->rhs
->accept(this);
398 void ir_print_visitor::visit(ir_constant
*ir
)
400 fprintf(f
, "(constant ");
401 print_type(f
, ir
->type
);
404 if (ir
->type
->is_array()) {
405 for (unsigned i
= 0; i
< ir
->type
->length
; i
++)
406 ir
->get_array_element(i
)->accept(this);
407 } else if (ir
->type
->is_record()) {
408 ir_constant
*value
= (ir_constant
*) ir
->components
.get_head();
409 for (unsigned i
= 0; i
< ir
->type
->length
; i
++) {
410 fprintf(f
, "(%s ", ir
->type
->fields
.structure
[i
].name
);
414 value
= (ir_constant
*) value
->next
;
417 for (unsigned i
= 0; i
< ir
->type
->components(); i
++) {
420 switch (ir
->type
->base_type
) {
421 case GLSL_TYPE_UINT
: fprintf(f
, "%u", ir
->value
.u
[i
]); break;
422 case GLSL_TYPE_INT
: fprintf(f
, "%d", ir
->value
.i
[i
]); break;
423 case GLSL_TYPE_FLOAT
:
424 if (ir
->value
.f
[i
] == 0.0f
)
425 /* 0.0 == -0.0, so print with %f to get the proper sign. */
426 fprintf(f
, "%.1f", ir
->value
.f
[i
]);
427 else if (fabs(ir
->value
.f
[i
]) < 0.000001f
)
428 fprintf(f
, "%a", ir
->value
.f
[i
]);
429 else if (fabs(ir
->value
.f
[i
]) > 1000000.0f
)
430 fprintf(f
, "%e", ir
->value
.f
[i
]);
432 fprintf(f
, "%f", ir
->value
.f
[i
]);
434 case GLSL_TYPE_BOOL
: fprintf(f
, "%d", ir
->value
.b
[i
]); break;
444 ir_print_visitor::visit(ir_call
*ir
)
446 fprintf(f
, "(call %s ", ir
->callee_name());
447 if (ir
->return_deref
)
448 ir
->return_deref
->accept(this);
450 foreach_list(n
, &ir
->actual_parameters
) {
451 ir_rvalue
*const param
= (ir_rvalue
*) n
;
460 ir_print_visitor::visit(ir_return
*ir
)
462 fprintf(f
, "(return");
464 ir_rvalue
*const value
= ir
->get_value();
475 ir_print_visitor::visit(ir_discard
*ir
)
477 fprintf(f
, "(discard ");
479 if (ir
->condition
!= NULL
) {
481 ir
->condition
->accept(this);
489 ir_print_visitor::visit(ir_if
*ir
)
492 ir
->condition
->accept(this);
497 foreach_list(n
, &ir
->then_instructions
) {
498 ir_instruction
*const inst
= (ir_instruction
*) n
;
510 if (!ir
->else_instructions
.is_empty()) {
514 foreach_list(n
, &ir
->else_instructions
) {
515 ir_instruction
*const inst
= (ir_instruction
*) n
;
531 ir_print_visitor::visit(ir_loop
*ir
)
533 fprintf(f
, "(loop (\n");
536 foreach_list(n
, &ir
->body_instructions
) {
537 ir_instruction
*const inst
= (ir_instruction
*) n
;
550 ir_print_visitor::visit(ir_loop_jump
*ir
)
552 fprintf(f
, "%s", ir
->is_break() ? "break" : "continue");
556 ir_print_visitor::visit(ir_emit_vertex
*)
558 fprintf(f
, "(emit-vertex)");
562 ir_print_visitor::visit(ir_end_primitive
*)
564 fprintf(f
, "(end-primitive)");