2 # Copyright (C) 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
27 def __init__(self
, c_type
, union_field
, glsl_type
):
29 self
.union_field
= union_field
30 self
.glsl_type
= glsl_type
33 class type_signature_iter(object):
34 """Basic iterator for a set of type signatures. Various kinds of sequences of
35 types come in, and an iteration of type_signature objects come out.
39 def __init__(self
, source_types
, num_operands
):
40 """Initialize an iterator from a sequence of input types and a number
41 operands. This is for signatures where all the operands have the same
42 type and the result type of the operation is the same as the input type.
46 self
.source_types
= source_types
47 self
.num_operands
= num_operands
50 def __init__(self
, dest_type
, source_types
, num_operands
):
51 """Initialize an iterator from a result tpye, a sequence of input types and a
52 number operands. This is for signatures where all the operands have the
53 same type but the result type of the operation is different from the
57 self
.dest_type
= dest_type
58 self
.source_types
= source_types
59 self
.num_operands
= num_operands
66 if self
.i
< len(self
.source_types
):
70 if self
.dest_type
is None:
71 dest_type
= self
.source_types
[i
]
73 dest_type
= self
.dest_type
75 return (dest_type
, self
.num_operands
* (self
.source_types
[i
],))
80 uint_type
= type("unsigned", "u", "GLSL_TYPE_UINT")
81 int_type
= type("int", "i", "GLSL_TYPE_INT")
82 uint64_type
= type("uint64_t", "u64", "GLSL_TYPE_UINT64")
83 int64_type
= type("int64_t", "i64", "GLSL_TYPE_INT64")
84 float_type
= type("float", "f", "GLSL_TYPE_FLOAT")
85 double_type
= type("double", "d", "GLSL_TYPE_DOUBLE")
86 bool_type
= type("bool", "b", "GLSL_TYPE_BOOL")
88 all_types
= (uint_type
, int_type
, float_type
, double_type
, uint64_type
, int64_type
, bool_type
)
89 numeric_types
= (uint_type
, int_type
, float_type
, double_type
, uint64_type
, int64_type
)
90 signed_numeric_types
= (int_type
, float_type
, double_type
, int64_type
)
91 integer_types
= (uint_type
, int_type
, uint64_type
, int64_type
)
92 real_types
= (float_type
, double_type
)
94 # This template is for operations that can have operands of a several
95 # different types, and each type may or may not has a different C expression.
96 # This is used by most operations.
97 constant_template_common
= mako
.template
.Template("""\
98 case ${op.get_enum_name()}:
99 for (unsigned c = 0; c < op[0]->type->components(); c++) {
100 switch (op[0]->type->base_type) {
101 % for dst_type, src_types in op.signatures():
102 case ${src_types[0].glsl_type}:
103 data.${dst_type.union_field}[c] = ${op.get_c_expression(src_types)};
107 unreachable("invalid type");
112 # This template is for binary operations that can operate on some combination
113 # of scalar and vector operands.
114 constant_template_vector_scalar
= mako
.template
.Template("""\
115 case ${op.get_enum_name()}:
116 % if "mixed" in op.flags:
117 % for i in xrange(op.num_operands):
118 assert(op[${i}]->type->base_type == ${op.source_types[0].glsl_type} ||
119 % for src_type in op.source_types[1:-1]:
120 op[${i}]->type->base_type == ${src_type.glsl_type} ||
122 op[${i}]->type->base_type == ${op.source_types[-1].glsl_type});
125 assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar);
127 for (unsigned c = 0, c0 = 0, c1 = 0;
129 c0 += c0_inc, c1 += c1_inc, c++) {
131 switch (op[0]->type->base_type) {
132 % for dst_type, src_types in op.signatures():
133 case ${src_types[0].glsl_type}:
134 data.${dst_type.union_field}[c] = ${op.get_c_expression(src_types, ("c0", "c1", "c2"))};
138 unreachable("invalid type");
143 # This template is for multiplication. It is unique because it has to support
144 # matrix * vector and matrix * matrix operations, and those are just different.
145 constant_template_mul
= mako
.template
.Template("""\
146 case ${op.get_enum_name()}:
147 /* Check for equal types, or unequal types involving scalars */
148 if ((op[0]->type == op[1]->type && !op[0]->type->is_matrix())
149 || op0_scalar || op1_scalar) {
150 for (unsigned c = 0, c0 = 0, c1 = 0;
152 c0 += c0_inc, c1 += c1_inc, c++) {
154 switch (op[0]->type->base_type) {
155 % for dst_type, src_types in op.signatures():
156 case ${src_types[0].glsl_type}:
157 data.${dst_type.union_field}[c] = ${op.get_c_expression(src_types, ("c0", "c1", "c2"))};
161 unreachable("invalid type");
165 assert(op[0]->type->is_matrix() || op[1]->type->is_matrix());
167 /* Multiply an N-by-M matrix with an M-by-P matrix. Since either
168 * matrix can be a GLSL vector, either N or P can be 1.
170 * For vec*mat, the vector is treated as a row vector. This
171 * means the vector is a 1-row x M-column matrix.
173 * For mat*vec, the vector is treated as a column vector. Since
174 * matrix_columns is 1 for vectors, this just works.
176 const unsigned n = op[0]->type->is_vector()
177 ? 1 : op[0]->type->vector_elements;
178 const unsigned m = op[1]->type->vector_elements;
179 const unsigned p = op[1]->type->matrix_columns;
180 for (unsigned j = 0; j < p; j++) {
181 for (unsigned i = 0; i < n; i++) {
182 for (unsigned k = 0; k < m; k++) {
183 if (op[0]->type->is_double())
184 data.d[i+n*j] += op[0]->value.d[i+n*k]*op[1]->value.d[k+m*j];
186 data.f[i+n*j] += op[0]->value.f[i+n*k]*op[1]->value.f[k+m*j];
193 # This template is for operations that are horizontal and either have only a
194 # single type or the implementation for all types is identical. That is, the
195 # operation consumes a vector and produces a scalar.
196 constant_template_horizontal_single_implementation
= mako
.template
.Template("""\
197 case ${op.get_enum_name()}:
198 data.${op.dest_type.union_field}[0] = ${op.c_expression['default']};
201 # This template is for operations that are horizontal and do not assign the
202 # result. The various unpack operations are examples.
203 constant_template_horizontal_nonassignment
= mako
.template
.Template("""\
204 case ${op.get_enum_name()}:
205 ${op.c_expression['default']};
208 # This template is for binary operations that are horizontal. That is, the
209 # operation consumes a vector and produces a scalar.
210 constant_template_horizontal
= mako
.template
.Template("""\
211 case ${op.get_enum_name()}:
212 switch (op[0]->type->base_type) {
213 % for dst_type, src_types in op.signatures():
214 case ${src_types[0].glsl_type}:
215 data.${dst_type.union_field}[0] = ${op.get_c_expression(src_types)};
219 unreachable("invalid type");
223 # This template is for ir_binop_vector_extract.
224 constant_template_vector_extract
= mako
.template
.Template("""\
225 case ${op.get_enum_name()}: {
226 const int c = CLAMP(op[1]->value.i[0], 0,
227 (int) op[0]->type->vector_elements - 1);
229 switch (op[0]->type->base_type) {
230 % for dst_type, src_types in op.signatures():
231 case ${src_types[0].glsl_type}:
232 data.${dst_type.union_field}[0] = op[0]->value.${src_types[0].union_field}[c];
236 unreachable("invalid type");
241 # This template is for ir_triop_vector_insert.
242 constant_template_vector_insert
= mako
.template
.Template("""\
243 case ${op.get_enum_name()}: {
244 const unsigned idx = op[2]->value.u[0];
246 memcpy(&data, &op[0]->value, sizeof(data));
248 switch (this->type->base_type) {
249 % for dst_type, src_types in op.signatures():
250 case ${src_types[0].glsl_type}:
251 data.${dst_type.union_field}[idx] = op[1]->value.${src_types[0].union_field}[0];
255 unreachable("invalid type");
260 # This template is for ir_quadop_vector.
261 constant_template_vector
= mako
.template
.Template("""\
262 case ${op.get_enum_name()}:
263 for (unsigned c = 0; c < this->type->vector_elements; c++) {
264 switch (this->type->base_type) {
265 % for dst_type, src_types in op.signatures():
266 case ${src_types[0].glsl_type}:
267 data.${dst_type.union_field}[c] = op[c]->value.${src_types[0].union_field}[0];
271 unreachable("invalid type");
276 # This template is for ir_triop_lrp.
277 constant_template_lrp
= mako
.template
.Template("""\
278 case ${op.get_enum_name()}: {
279 assert(op[0]->type->is_float() || op[0]->type->is_double());
280 assert(op[1]->type->is_float() || op[1]->type->is_double());
281 assert(op[2]->type->is_float() || op[2]->type->is_double());
283 unsigned c2_inc = op[2]->type->is_scalar() ? 0 : 1;
284 for (unsigned c = 0, c2 = 0; c < components; c2 += c2_inc, c++) {
285 switch (this->type->base_type) {
286 % for dst_type, src_types in op.signatures():
287 case ${src_types[0].glsl_type}:
288 data.${dst_type.union_field}[c] = ${op.get_c_expression(src_types, ("c", "c", "c2"))};
292 unreachable("invalid type");
298 # This template is for ir_triop_csel. This expression is really unique
299 # because not all of the operands are the same type, and the second operand
300 # determines the type of the expression (instead of the first).
301 constant_template_csel
= mako
.template
.Template("""\
302 case ${op.get_enum_name()}:
303 for (unsigned c = 0; c < components; c++) {
304 switch (this->type->base_type) {
305 % for dst_type, src_types in op.signatures():
306 case ${src_types[1].glsl_type}:
307 data.${dst_type.union_field}[c] = ${op.get_c_expression(src_types)};
311 unreachable("invalid type");
317 vector_scalar_operation
= "vector-scalar"
318 horizontal_operation
= "horizontal"
319 types_identical_operation
= "identical"
320 non_assign_operation
= "nonassign"
321 mixed_type_operation
= "mixed"
323 class operation(object):
324 def __init__(self
, name
, num_operands
, printable_name
= None, source_types
= None, dest_type
= None, c_expression
= None, flags
= None, all_signatures
= None):
326 self
.num_operands
= num_operands
328 if printable_name
is None:
329 self
.printable_name
= name
331 self
.printable_name
= printable_name
333 self
.all_signatures
= all_signatures
335 if source_types
is None:
336 self
.source_types
= tuple()
338 self
.source_types
= source_types
340 self
.dest_type
= dest_type
342 if c_expression
is None:
343 self
.c_expression
= None
344 elif isinstance(c_expression
, str):
345 self
.c_expression
= {'default': c_expression
}
347 self
.c_expression
= c_expression
350 self
.flags
= frozenset()
351 elif isinstance(flags
, str):
352 self
.flags
= frozenset([flags
])
354 self
.flags
= frozenset(flags
)
357 def get_enum_name(self
):
358 return "ir_{0}op_{1}".format(("un", "bin", "tri", "quad")[self
.num_operands
-1], self
.name
)
361 def get_template(self
):
362 if self
.c_expression
is None:
365 if horizontal_operation
in self
.flags
:
366 if non_assign_operation
in self
.flags
:
367 return constant_template_horizontal_nonassignment
.render(op
=self
)
368 elif types_identical_operation
in self
.flags
:
369 return constant_template_horizontal_single_implementation
.render(op
=self
)
371 return constant_template_horizontal
.render(op
=self
)
373 if self
.num_operands
== 2:
374 if self
.name
== "mul":
375 return constant_template_mul
.render(op
=self
)
376 elif self
.name
== "vector_extract":
377 return constant_template_vector_extract
.render(op
=self
)
378 elif vector_scalar_operation
in self
.flags
:
379 return constant_template_vector_scalar
.render(op
=self
)
380 elif self
.num_operands
== 3:
381 if self
.name
== "vector_insert":
382 return constant_template_vector_insert
.render(op
=self
)
383 elif self
.name
== "lrp":
384 return constant_template_lrp
.render(op
=self
)
385 elif self
.name
== "csel":
386 return constant_template_csel
.render(op
=self
)
387 elif self
.num_operands
== 4:
388 if self
.name
== "vector":
389 return constant_template_vector
.render(op
=self
)
391 return constant_template_common
.render(op
=self
)
394 def get_c_expression(self
, types
, indices
=("c", "c", "c")):
395 src0
= "op[0]->value.{0}[{1}]".format(types
[0].union_field
, indices
[0])
396 src1
= "op[1]->value.{0}[{1}]".format(types
[1].union_field
, indices
[1]) if len(types
) >= 2 else "ERROR"
397 src2
= "op[2]->value.{0}[{1}]".format(types
[2].union_field
, indices
[2]) if len(types
) >= 3 else "ERROR"
398 src3
= "op[3]->value.{0}[c]".format(types
[3].union_field
) if len(types
) >= 4 else "ERROR"
400 expr
= self
.c_expression
[types
[0].union_field
] if types
[0].union_field
in self
.c_expression
else self
.c_expression
['default']
402 return expr
.format(src0
=src0
,
408 def signatures(self
):
409 if self
.all_signatures
is not None:
410 return self
.all_signatures
412 return type_signature_iter(self
.dest_type
, self
.source_types
, self
.num_operands
)
415 ir_expression_operation
= [
416 operation("bit_not", 1, printable_name
="~", source_types
=integer_types
, c_expression
="~ {src0}"),
417 operation("logic_not", 1, printable_name
="!", source_types
=(bool_type
,), c_expression
="!{src0}"),
418 operation("neg", 1, source_types
=numeric_types
, c_expression
={'u': "-((int) {src0})", 'default': "-{src0}"}),
419 operation("abs", 1, source_types
=signed_numeric_types
, c_expression
={'i': "{src0} < 0 ? -{src0} : {src0}", 'f': "fabsf({src0})", 'd': "fabs({src0})", 'i64': "{src0} < 0 ? -{src0} : {src0}"}),
420 operation("sign", 1, source_types
=signed_numeric_types
, c_expression
={'i': "({src0} > 0) - ({src0} < 0)", 'f': "float(({src0} > 0.0F) - ({src0} < 0.0F))", 'd': "double(({src0} > 0.0) - ({src0} < 0.0))", 'i64': "({src0} > 0) - ({src0} < 0)"}),
421 operation("rcp", 1, source_types
=real_types
, c_expression
={'f': "1.0F / {src0}", 'd': "1.0 / {src0}"}),
422 operation("rsq", 1, source_types
=real_types
, c_expression
={'f': "1.0F / sqrtf({src0})", 'd': "1.0 / sqrt({src0})"}),
423 operation("sqrt", 1, source_types
=real_types
, c_expression
={'f': "sqrtf({src0})", 'd': "sqrt({src0})"}),
424 operation("exp", 1, source_types
=(float_type
,), c_expression
="expf({src0})"), # Log base e on gentype
425 operation("log", 1, source_types
=(float_type
,), c_expression
="logf({src0})"), # Natural log on gentype
426 operation("exp2", 1, source_types
=(float_type
,), c_expression
="exp2f({src0})"),
427 operation("log2", 1, source_types
=(float_type
,), c_expression
="log2f({src0})"),
429 # Float-to-integer conversion.
430 operation("f2i", 1, source_types
=(float_type
,), dest_type
=int_type
, c_expression
="(int) {src0}"),
431 # Float-to-unsigned conversion.
432 operation("f2u", 1, source_types
=(float_type
,), dest_type
=uint_type
, c_expression
="(unsigned) {src0}"),
433 # Integer-to-float conversion.
434 operation("i2f", 1, source_types
=(int_type
,), dest_type
=float_type
, c_expression
="(float) {src0}"),
435 # Float-to-boolean conversion
436 operation("f2b", 1, source_types
=(float_type
,), dest_type
=bool_type
, c_expression
="{src0} != 0.0F ? true : false"),
437 # Boolean-to-float conversion
438 operation("b2f", 1, source_types
=(bool_type
,), dest_type
=float_type
, c_expression
="{src0} ? 1.0F : 0.0F"),
439 # int-to-boolean conversion
440 operation("i2b", 1, source_types
=(uint_type
, int_type
), dest_type
=bool_type
, c_expression
="{src0} ? true : false"),
441 # Boolean-to-int conversion
442 operation("b2i", 1, source_types
=(bool_type
,), dest_type
=int_type
, c_expression
="{src0} ? 1 : 0"),
443 # Unsigned-to-float conversion.
444 operation("u2f", 1, source_types
=(uint_type
,), dest_type
=float_type
, c_expression
="(float) {src0}"),
445 # Integer-to-unsigned conversion.
446 operation("i2u", 1, source_types
=(int_type
,), dest_type
=uint_type
, c_expression
="{src0}"),
447 # Unsigned-to-integer conversion.
448 operation("u2i", 1, source_types
=(uint_type
,), dest_type
=int_type
, c_expression
="{src0}"),
449 # Double-to-float conversion.
450 operation("d2f", 1, source_types
=(double_type
,), dest_type
=float_type
, c_expression
="{src0}"),
451 # Float-to-double conversion.
452 operation("f2d", 1, source_types
=(float_type
,), dest_type
=double_type
, c_expression
="{src0}"),
453 # Double-to-integer conversion.
454 operation("d2i", 1, source_types
=(double_type
,), dest_type
=int_type
, c_expression
="{src0}"),
455 # Integer-to-double conversion.
456 operation("i2d", 1, source_types
=(int_type
,), dest_type
=double_type
, c_expression
="{src0}"),
457 # Double-to-unsigned conversion.
458 operation("d2u", 1, source_types
=(double_type
,), dest_type
=uint_type
, c_expression
="{src0}"),
459 # Unsigned-to-double conversion.
460 operation("u2d", 1, source_types
=(uint_type
,), dest_type
=double_type
, c_expression
="{src0}"),
461 # Double-to-boolean conversion.
462 operation("d2b", 1, source_types
=(double_type
,), dest_type
=bool_type
, c_expression
="{src0} != 0.0"),
463 # 'Bit-identical int-to-float "conversion"
464 operation("bitcast_i2f", 1, source_types
=(int_type
,), dest_type
=float_type
, c_expression
="bitcast_u2f({src0})"),
465 # 'Bit-identical float-to-int "conversion"
466 operation("bitcast_f2i", 1, source_types
=(float_type
,), dest_type
=int_type
, c_expression
="bitcast_f2u({src0})"),
467 # 'Bit-identical uint-to-float "conversion"
468 operation("bitcast_u2f", 1, source_types
=(uint_type
,), dest_type
=float_type
, c_expression
="bitcast_u2f({src0})"),
469 # 'Bit-identical float-to-uint "conversion"
470 operation("bitcast_f2u", 1, source_types
=(float_type
,), dest_type
=uint_type
, c_expression
="bitcast_f2u({src0})"),
471 # Bit-identical u64-to-double "conversion"
472 operation("bitcast_u642d", 1, source_types
=(uint64_type
,), dest_type
=double_type
, c_expression
="bitcast_u642d({src0})"),
473 # Bit-identical i64-to-double "conversion"
474 operation("bitcast_i642d", 1, source_types
=(int64_type
,), dest_type
=double_type
, c_expression
="bitcast_i642d({src0})"),
475 # Bit-identical double-to_u64 "conversion"
476 operation("bitcast_d2u64", 1, source_types
=(double_type
,), dest_type
=uint64_type
, c_expression
="bitcast_d2u64({src0})"),
477 # Bit-identical double-to-i64 "conversion"
478 operation("bitcast_d2i64", 1, source_types
=(double_type
,), dest_type
=int64_type
, c_expression
="bitcast_d2i64({src0})"),
479 # i64-to-i32 conversion
480 operation("i642i", 1, source_types
=(int64_type
,), dest_type
=int_type
, c_expression
="{src0}"),
481 # ui64-to-i32 conversion
482 operation("u642i", 1, source_types
=(uint64_type
,), dest_type
=int_type
, c_expression
="{src0}"),
483 operation("i642u", 1, source_types
=(int64_type
,), dest_type
=uint_type
, c_expression
="{src0}"),
484 operation("u642u", 1, source_types
=(uint64_type
,), dest_type
=uint_type
, c_expression
="{src0}"),
485 operation("i642b", 1, source_types
=(int64_type
,), dest_type
=bool_type
, c_expression
="{src0} != 0"),
486 operation("i642f", 1, source_types
=(int64_type
,), dest_type
=float_type
, c_expression
="{src0}"),
487 operation("u642f", 1, source_types
=(uint64_type
,), dest_type
=float_type
, c_expression
="{src0}"),
488 operation("i642d", 1, source_types
=(int64_type
,), dest_type
=double_type
, c_expression
="{src0}"),
489 operation("u642d", 1, source_types
=(uint64_type
,), dest_type
=double_type
, c_expression
="{src0}"),
490 operation("i2i64", 1, source_types
=(int_type
,), dest_type
=int64_type
, c_expression
="{src0}"),
491 operation("u2i64", 1, source_types
=(uint_type
,), dest_type
=int64_type
, c_expression
="{src0}"),
492 operation("b2i64", 1, source_types
=(bool_type
,), dest_type
=int64_type
, c_expression
="{src0}"),
493 operation("f2i64", 1, source_types
=(float_type
,), dest_type
=int64_type
, c_expression
="{src0}"),
494 operation("d2i64", 1, source_types
=(double_type
,), dest_type
=int64_type
, c_expression
="{src0}"),
495 operation("i2u64", 1, source_types
=(int_type
,), dest_type
=uint64_type
, c_expression
="{src0}"),
496 operation("u2u64", 1, source_types
=(uint_type
,), dest_type
=uint64_type
, c_expression
="{src0}"),
497 operation("f2u64", 1, source_types
=(float_type
,), dest_type
=uint64_type
, c_expression
="{src0}"),
498 operation("d2u64", 1, source_types
=(double_type
,), dest_type
=uint64_type
, c_expression
="{src0}"),
499 operation("u642i64", 1, source_types
=(uint64_type
,), dest_type
=int64_type
, c_expression
="{src0}"),
500 operation("i642u64", 1, source_types
=(int64_type
,), dest_type
=uint64_type
, c_expression
="{src0}"),
503 # Unary floating-point rounding operations.
504 operation("trunc", 1, source_types
=real_types
, c_expression
={'f': "truncf({src0})", 'd': "trunc({src0})"}),
505 operation("ceil", 1, source_types
=real_types
, c_expression
={'f': "ceilf({src0})", 'd': "ceil({src0})"}),
506 operation("floor", 1, source_types
=real_types
, c_expression
={'f': "floorf({src0})", 'd': "floor({src0})"}),
507 operation("fract", 1, source_types
=real_types
, c_expression
={'f': "{src0} - floorf({src0})", 'd': "{src0} - floor({src0})"}),
508 operation("round_even", 1, source_types
=real_types
, c_expression
={'f': "_mesa_roundevenf({src0})", 'd': "_mesa_roundeven({src0})"}),
510 # Trigonometric operations.
511 operation("sin", 1, source_types
=(float_type
,), c_expression
="sinf({src0})"),
512 operation("cos", 1, source_types
=(float_type
,), c_expression
="cosf({src0})"),
514 # Partial derivatives.
515 operation("dFdx", 1, source_types
=(float_type
,), c_expression
="0.0f"),
516 operation("dFdx_coarse", 1, printable_name
="dFdxCoarse", source_types
=(float_type
,), c_expression
="0.0f"),
517 operation("dFdx_fine", 1, printable_name
="dFdxFine", source_types
=(float_type
,), c_expression
="0.0f"),
518 operation("dFdy", 1, source_types
=(float_type
,), c_expression
="0.0f"),
519 operation("dFdy_coarse", 1, printable_name
="dFdyCoarse", source_types
=(float_type
,), c_expression
="0.0f"),
520 operation("dFdy_fine", 1, printable_name
="dFdyFine", source_types
=(float_type
,), c_expression
="0.0f"),
522 # Floating point pack and unpack operations.
523 operation("pack_snorm_2x16", 1, printable_name
="packSnorm2x16", source_types
=(float_type
,), dest_type
=uint_type
, c_expression
="pack_2x16(pack_snorm_1x16, op[0]->value.f[0], op[0]->value.f[1])", flags
=horizontal_operation
),
524 operation("pack_snorm_4x8", 1, printable_name
="packSnorm4x8", source_types
=(float_type
,), dest_type
=uint_type
, c_expression
="pack_4x8(pack_snorm_1x8, op[0]->value.f[0], op[0]->value.f[1], op[0]->value.f[2], op[0]->value.f[3])", flags
=horizontal_operation
),
525 operation("pack_unorm_2x16", 1, printable_name
="packUnorm2x16", source_types
=(float_type
,), dest_type
=uint_type
, c_expression
="pack_2x16(pack_unorm_1x16, op[0]->value.f[0], op[0]->value.f[1])", flags
=horizontal_operation
),
526 operation("pack_unorm_4x8", 1, printable_name
="packUnorm4x8", source_types
=(float_type
,), dest_type
=uint_type
, c_expression
="pack_4x8(pack_unorm_1x8, op[0]->value.f[0], op[0]->value.f[1], op[0]->value.f[2], op[0]->value.f[3])", flags
=horizontal_operation
),
527 operation("pack_half_2x16", 1, printable_name
="packHalf2x16", source_types
=(float_type
,), dest_type
=uint_type
, c_expression
="pack_2x16(pack_half_1x16, op[0]->value.f[0], op[0]->value.f[1])", flags
=horizontal_operation
),
528 operation("unpack_snorm_2x16", 1, printable_name
="unpackSnorm2x16", source_types
=(uint_type
,), dest_type
=float_type
, c_expression
="unpack_2x16(unpack_snorm_1x16, op[0]->value.u[0], &data.f[0], &data.f[1])", flags
=frozenset((horizontal_operation
, non_assign_operation
))),
529 operation("unpack_snorm_4x8", 1, printable_name
="unpackSnorm4x8", source_types
=(uint_type
,), dest_type
=float_type
, c_expression
="unpack_4x8(unpack_snorm_1x8, op[0]->value.u[0], &data.f[0], &data.f[1], &data.f[2], &data.f[3])", flags
=frozenset((horizontal_operation
, non_assign_operation
))),
530 operation("unpack_unorm_2x16", 1, printable_name
="unpackUnorm2x16", source_types
=(uint_type
,), dest_type
=float_type
, c_expression
="unpack_2x16(unpack_unorm_1x16, op[0]->value.u[0], &data.f[0], &data.f[1])", flags
=frozenset((horizontal_operation
, non_assign_operation
))),
531 operation("unpack_unorm_4x8", 1, printable_name
="unpackUnorm4x8", source_types
=(uint_type
,), dest_type
=float_type
, c_expression
="unpack_4x8(unpack_unorm_1x8, op[0]->value.u[0], &data.f[0], &data.f[1], &data.f[2], &data.f[3])", flags
=frozenset((horizontal_operation
, non_assign_operation
))),
532 operation("unpack_half_2x16", 1, printable_name
="unpackHalf2x16", source_types
=(uint_type
,), dest_type
=float_type
, c_expression
="unpack_2x16(unpack_half_1x16, op[0]->value.u[0], &data.f[0], &data.f[1])", flags
=frozenset((horizontal_operation
, non_assign_operation
))),
534 # Bit operations, part of ARB_gpu_shader5.
535 operation("bitfield_reverse", 1, source_types
=(uint_type
, int_type
), c_expression
="bitfield_reverse({src0})"),
536 operation("bit_count", 1, source_types
=(uint_type
, int_type
), dest_type
=int_type
, c_expression
="_mesa_bitcount({src0})"),
537 operation("find_msb", 1, source_types
=(uint_type
, int_type
), dest_type
=int_type
, c_expression
={'u': "find_msb_uint({src0})", 'i': "find_msb_int({src0})"}),
538 operation("find_lsb", 1, source_types
=(uint_type
, int_type
), dest_type
=int_type
, c_expression
="find_msb_uint({src0} & -{src0})"),
540 operation("saturate", 1, printable_name
="sat", source_types
=(float_type
,), c_expression
="CLAMP({src0}, 0.0f, 1.0f)"),
542 # Double packing, part of ARB_gpu_shader_fp64.
543 operation("pack_double_2x32", 1, printable_name
="packDouble2x32", source_types
=(uint_type
,), dest_type
=double_type
, c_expression
="memcpy(&data.d[0], &op[0]->value.u[0], sizeof(double))", flags
=frozenset((horizontal_operation
, non_assign_operation
))),
544 operation("unpack_double_2x32", 1, printable_name
="unpackDouble2x32", source_types
=(double_type
,), dest_type
=uint_type
, c_expression
="memcpy(&data.u[0], &op[0]->value.d[0], sizeof(double))", flags
=frozenset((horizontal_operation
, non_assign_operation
))),
546 operation("frexp_sig", 1),
547 operation("frexp_exp", 1),
549 operation("noise", 1),
551 operation("subroutine_to_int", 1),
553 # Interpolate fs input at centroid
555 # operand0 is the fs input.
556 operation("interpolate_at_centroid", 1),
558 # Ask the driver for the total size of a buffer block.
559 # operand0 is the ir_constant buffer block index in the linked shader.
560 operation("get_buffer_size", 1),
562 # Calculate length of an unsized array inside a buffer block.
563 # This opcode is going to be replaced in a lowering pass inside
566 # operand0 is the unsized array's ir_value for the calculation
568 operation("ssbo_unsized_array_length", 1),
570 # 64-bit integer packing ops.
571 operation("pack_int_2x32", 1, printable_name
="packInt2x32", source_types
=(int_type
,), dest_type
=int64_type
, c_expression
="memcpy(&data.i64[0], &op[0]->value.i[0], sizeof(int64_t))", flags
=frozenset((horizontal_operation
, non_assign_operation
))),
572 operation("pack_uint_2x32", 1, printable_name
="packUint2x32", source_types
=(uint_type
,), dest_type
=uint64_type
, c_expression
="memcpy(&data.u64[0], &op[0]->value.u[0], sizeof(uint64_t))", flags
=frozenset((horizontal_operation
, non_assign_operation
))),
573 operation("unpack_int_2x32", 1, printable_name
="unpackInt2x32", source_types
=(int64_type
,), dest_type
=int_type
, c_expression
="memcpy(&data.i[0], &op[0]->value.i64[0], sizeof(int64_t))", flags
=frozenset((horizontal_operation
, non_assign_operation
))),
574 operation("unpack_uint_2x32", 1, printable_name
="unpackUint2x32", source_types
=(uint64_type
,), dest_type
=uint_type
, c_expression
="memcpy(&data.u[0], &op[0]->value.u64[0], sizeof(uint64_t))", flags
=frozenset((horizontal_operation
, non_assign_operation
))),
576 operation("add", 2, printable_name
="+", source_types
=numeric_types
, c_expression
="{src0} + {src1}", flags
=vector_scalar_operation
),
577 operation("sub", 2, printable_name
="-", source_types
=numeric_types
, c_expression
="{src0} - {src1}", flags
=vector_scalar_operation
),
578 # "Floating-point or low 32-bit integer multiply."
579 operation("mul", 2, printable_name
="*", source_types
=numeric_types
, c_expression
="{src0} * {src1}"),
580 operation("imul_high", 2), # Calculates the high 32-bits of a 64-bit multiply.
581 operation("div", 2, printable_name
="/", source_types
=numeric_types
, c_expression
={'u': "{src1} == 0 ? 0 : {src0} / {src1}", 'i': "{src1} == 0 ? 0 : {src0} / {src1}", 'u64': "{src1} == 0 ? 0 : {src0} / {src1}", 'i64': "{src1} == 0 ? 0 : {src0} / {src1}", 'default': "{src0} / {src1}"}, flags
=vector_scalar_operation
),
583 # Returns the carry resulting from the addition of the two arguments.
584 operation("carry", 2),
586 # Returns the borrow resulting from the subtraction of the second argument
587 # from the first argument.
588 operation("borrow", 2),
590 # Either (vector % vector) or (vector % scalar)
592 # We don't use fmod because it rounds toward zero; GLSL specifies the use
594 operation("mod", 2, printable_name
="%", source_types
=numeric_types
, c_expression
={'u': "{src1} == 0 ? 0 : {src0} % {src1}", 'i': "{src1} == 0 ? 0 : {src0} % {src1}", 'f': "{src0} - {src1} * floorf({src0} / {src1})", 'd': "{src0} - {src1} * floor({src0} / {src1})", 'u64': "{src1} == 0 ? 0 : {src0} % {src1}", 'i64': "{src1} == 0 ? 0 : {src0} % {src1}"}, flags
=vector_scalar_operation
),
596 # Binary comparison operators which return a boolean vector.
597 # The type of both operands must be equal.
598 operation("less", 2, printable_name
="<", source_types
=numeric_types
, dest_type
=bool_type
, c_expression
="{src0} < {src1}"),
599 operation("greater", 2, printable_name
=">", source_types
=numeric_types
, dest_type
=bool_type
, c_expression
="{src0} > {src1}"),
600 operation("lequal", 2, printable_name
="<=", source_types
=numeric_types
, dest_type
=bool_type
, c_expression
="{src0} <= {src1}"),
601 operation("gequal", 2, printable_name
=">=", source_types
=numeric_types
, dest_type
=bool_type
, c_expression
="{src0} >= {src1}"),
602 operation("equal", 2, printable_name
="==", source_types
=all_types
, dest_type
=bool_type
, c_expression
="{src0} == {src1}"),
603 operation("nequal", 2, printable_name
="!=", source_types
=all_types
, dest_type
=bool_type
, c_expression
="{src0} != {src1}"),
605 # Returns single boolean for whether all components of operands[0]
606 # equal the components of operands[1].
607 operation("all_equal", 2, source_types
=all_types
, dest_type
=bool_type
, c_expression
="op[0]->has_value(op[1])", flags
=frozenset((horizontal_operation
, types_identical_operation
))),
609 # Returns single boolean for whether any component of operands[0]
610 # is not equal to the corresponding component of operands[1].
611 operation("any_nequal", 2, source_types
=all_types
, dest_type
=bool_type
, c_expression
="!op[0]->has_value(op[1])", flags
=frozenset((horizontal_operation
, types_identical_operation
))),
613 # Bit-wise binary operations.
614 operation("lshift", 2, printable_name
="<<", source_types
=integer_types
, c_expression
="{src0} << {src1}", flags
=frozenset((vector_scalar_operation
, mixed_type_operation
))),
615 operation("rshift", 2, printable_name
=">>", source_types
=integer_types
, c_expression
="{src0} >> {src1}", flags
=frozenset((vector_scalar_operation
, mixed_type_operation
))),
616 operation("bit_and", 2, printable_name
="&", source_types
=integer_types
, c_expression
="{src0} & {src1}", flags
=vector_scalar_operation
),
617 operation("bit_xor", 2, printable_name
="^", source_types
=integer_types
, c_expression
="{src0} ^ {src1}", flags
=vector_scalar_operation
),
618 operation("bit_or", 2, printable_name
="|", source_types
=integer_types
, c_expression
="{src0} | {src1}", flags
=vector_scalar_operation
),
620 operation("logic_and", 2, printable_name
="&&", source_types
=(bool_type
,), c_expression
="{src0} && {src1}"),
621 operation("logic_xor", 2, printable_name
="^^", source_types
=(bool_type
,), c_expression
="{src0} != {src1}"),
622 operation("logic_or", 2, printable_name
="||", source_types
=(bool_type
,), c_expression
="{src0} || {src1}"),
624 operation("dot", 2, source_types
=real_types
, c_expression
={'f': "dot_f(op[0], op[1])", 'd': "dot_d(op[0], op[1])"}, flags
=horizontal_operation
),
625 operation("min", 2, source_types
=numeric_types
, c_expression
="MIN2({src0}, {src1})", flags
=vector_scalar_operation
),
626 operation("max", 2, source_types
=numeric_types
, c_expression
="MAX2({src0}, {src1})", flags
=vector_scalar_operation
),
628 operation("pow", 2, source_types
=(float_type
,), c_expression
="powf({src0}, {src1})"),
630 # Load a value the size of a given GLSL type from a uniform block.
632 # operand0 is the ir_constant uniform block index in the linked shader.
633 # operand1 is a byte offset within the uniform block.
634 operation("ubo_load", 2),
636 # Multiplies a number by two to a power, part of ARB_gpu_shader5.
637 operation("ldexp", 2,
638 all_signatures
=((float_type
, (float_type
, int_type
)),
639 (double_type
, (double_type
, int_type
))),
640 c_expression
={'f': "ldexpf_flush_subnormal({src0}, {src1})",
641 'd': "ldexp_flush_subnormal({src0}, {src1})"}),
643 # Extract a scalar from a vector
645 # operand0 is the vector
646 # operand1 is the index of the field to read from operand0
647 operation("vector_extract", 2, source_types
=all_types
, c_expression
="anything-except-None"),
649 # Interpolate fs input at offset
651 # operand0 is the fs input
652 # operand1 is the offset from the pixel center
653 operation("interpolate_at_offset", 2),
655 # Interpolate fs input at sample position
657 # operand0 is the fs input
658 # operand1 is the sample ID
659 operation("interpolate_at_sample", 2),
661 # Fused floating-point multiply-add, part of ARB_gpu_shader5.
662 operation("fma", 3, source_types
=real_types
, c_expression
="{src0} * {src1} + {src2}"),
664 operation("lrp", 3, source_types
=real_types
, c_expression
={'f': "{src0} * (1.0f - {src2}) + ({src1} * {src2})", 'd': "{src0} * (1.0 - {src2}) + ({src1} * {src2})"}),
668 # A vector conditional select instruction (like ?:, but operating per-
669 # component on vectors).
671 # See also lower_instructions_visitor::ldexp_to_arith
673 all_signatures
=zip(all_types
, zip(len(all_types
) * (bool_type
,), all_types
, all_types
)),
674 c_expression
="{src0} ? {src1} : {src2}"),
676 operation("bitfield_extract", 3,
677 all_signatures
=((int_type
, (uint_type
, int_type
, int_type
)),
678 (int_type
, (int_type
, int_type
, int_type
))),
679 c_expression
={'u': "bitfield_extract_uint({src0}, {src1}, {src2})",
680 'i': "bitfield_extract_int({src0}, {src1}, {src2})"}),
682 # Generate a value with one field of a vector changed
684 # operand0 is the vector
685 # operand1 is the value to write into the vector result
686 # operand2 is the index in operand0 to be modified
687 operation("vector_insert", 3, source_types
=all_types
, c_expression
="anything-except-None"),
689 operation("bitfield_insert", 4,
690 all_signatures
=((uint_type
, (uint_type
, uint_type
, int_type
, int_type
)),
691 (int_type
, (int_type
, int_type
, int_type
, int_type
))),
692 c_expression
="bitfield_insert({src0}, {src1}, {src2}, {src3})"),
694 operation("vector", 4, source_types
=all_types
, c_expression
="anything-except-None"),
698 if __name__
== "__main__":
700 * Copyright (C) 2010 Intel Corporation
702 * Permission is hereby granted, free of charge, to any person obtaining a
703 * copy of this software and associated documentation files (the "Software"),
704 * to deal in the Software without restriction, including without limitation
705 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
706 * and/or sell copies of the Software, and to permit persons to whom the
707 * Software is furnished to do so, subject to the following conditions:
709 * The above copyright notice and this permission notice (including the next
710 * paragraph) shall be included in all copies or substantial portions of the
713 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
714 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
715 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
716 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
717 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
718 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
719 * DEALINGS IN THE SOFTWARE.
722 enum_template
= mako
.template
.Template(copyright
+ """
723 enum ir_expression_operation {
724 % for item in values:
725 ${item.get_enum_name()},
728 /* Sentinels marking the last of each kind of operation. */
730 ir_last_${("un", "bin", "tri", "quad")[item.num_operands - 1]}op = ${item.get_enum_name()},
732 ir_last_opcode = ir_quadop_${lasts[3].name}
735 strings_template
= mako
.template
.Template(copyright
+ """
736 const char *const ir_expression_operation_strings[] = {
737 % for item in values:
738 "${item.printable_name}",
742 const char *const ir_expression_operation_enum_strings[] = {
743 % for item in values:
748 constant_template
= mako
.template
.Template("""\
749 switch (this->operation) {
751 % if op.c_expression is not None:
757 /* FINISHME: Should handle all expression types. */
762 if sys
.argv
[1] == "enum":
763 lasts
= [None, None, None, None]
764 for item
in reversed(ir_expression_operation
):
765 i
= item
.num_operands
- 1
769 print(enum_template
.render(values
=ir_expression_operation
,
771 elif sys
.argv
[1] == "strings":
772 print(strings_template
.render(values
=ir_expression_operation
))
773 elif sys
.argv
[1] == "constant":
774 print(constant_template
.render(values
=ir_expression_operation
))