import mako.template
import sys
+class type(object):
+ def __init__(self, c_type, union_field, glsl_type):
+ self.c_type = c_type
+ self.union_field = union_field
+ self.glsl_type = glsl_type
+
+
+class type_signature_iter(object):
+ """Basic iterator for a set of type signatures. Various kinds of sequences of
+ types come in, and an iteration of type_signature objects come out.
+
+ """
+
+ def __init__(self, source_types, num_operands):
+ """Initialize an iterator from a sequence of input types and a number
+ operands. This is for signatures where all the operands have the same
+ type and the result type of the operation is the same as the input type.
+
+ """
+ self.dest_type = None
+ self.source_types = source_types
+ self.num_operands = num_operands
+ self.i = 0
+
+ def __init__(self, dest_type, source_types, num_operands):
+ """Initialize an iterator from a result tpye, a sequence of input types and a
+ number operands. This is for signatures where all the operands have the
+ same type but the result type of the operation is different from the
+ input type.
+
+ """
+ self.dest_type = dest_type
+ self.source_types = source_types
+ self.num_operands = num_operands
+ self.i = 0
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ if self.i < len(self.source_types):
+ i = self.i
+ self.i += 1
+
+ if self.dest_type is None:
+ dest_type = self.source_types[i]
+ else:
+ dest_type = self.dest_type
+
+ return (dest_type, self.num_operands * (self.source_types[i],))
+ else:
+ raise StopIteration()
+
+
+uint_type = type("unsigned", "u", "GLSL_TYPE_UINT")
+int_type = type("int", "i", "GLSL_TYPE_INT")
+float_type = type("float", "f", "GLSL_TYPE_FLOAT")
+double_type = type("double", "d", "GLSL_TYPE_DOUBLE")
+bool_type = type("bool", "b", "GLSL_TYPE_BOOL")
+
+all_types = (uint_type, int_type, float_type, double_type, bool_type)
+numeric_types = (uint_type, int_type, float_type, double_type)
+signed_numeric_types = (int_type, float_type, double_type)
+integer_types = (uint_type, int_type)
+real_types = (float_type, double_type)
+
+# This template is for unary and binary operations that can only have operands
+# of a single type or the implementation for all types is identical.
+# ir_unop_logic_not is an example of the former, and ir_quadop_bitfield_insert
+# is an example of the latter..
+constant_template0 = mako.template.Template("""\
+ case ${op.get_enum_name()}:
+ % if len(op.source_types) == 1:
+ assert(op[0]->type->base_type == ${op.source_types[0].glsl_type});
+ % endif
+ for (unsigned c = 0; c < op[0]->type->components(); c++)
+ % for dst_type, src_types in op.signatures():
+ % if loop.index == 0:
+ data.${dst_type.union_field}[c] = ${op.get_c_expression(src_types)};
+ % endif
+ % endfor
+ break;""")
+
+# This template is for unary operations that can have operands of a several
+# different types. ir_unop_bit_not is an example.
+constant_template1 = mako.template.Template("""\
+ case ${op.get_enum_name()}:
+ switch (op[0]->type->base_type) {
+ % for dst_type, src_types in op.signatures():
+ case ${src_types[0].glsl_type}:
+ for (unsigned c = 0; c < op[0]->type->components(); c++)
+ data.${dst_type.union_field}[c] = ${op.get_c_expression(src_types)};
+ break;
+ % endfor
+ default:
+ assert(0);
+ }
+ break;""")
+
+# This template is for unary operations that can have operands of a several
+# different types, and each type has a different C expression. ir_unop_neg is
+# an example.
+constant_template3 = mako.template.Template("""\
+ case ${op.get_enum_name()}:
+ for (unsigned c = 0; c < op[0]->type->components(); c++) {
+ switch (this->type->base_type) {
+ % for dst_type, src_types in op.signatures():
+ case ${src_types[0].glsl_type}:
+ data.${dst_type.union_field}[c] = ${op.get_c_expression(src_types)};
+ break;
+ % endfor
+ default:
+ assert(0);
+ }
+ }
+ break;""")
+
+# This template is for unary operations that map an operand of one type to an
+# operand of another type. ir_unop_f2b is an example.
+constant_template2 = mako.template.Template("""\
+ case ${op.get_enum_name()}:
+ assert(op[0]->type->base_type == ${op.source_types[0].glsl_type});
+ for (unsigned c = 0; c < op[0]->type->components(); c++)
+ data.${op.dest_type.union_field}[c] = ${op.get_c_expression(op.source_types)};
+ break;""")
+
+# This template is for operations with an output type that doesn't match the
+# input types.
+constant_template5 = mako.template.Template("""\
+ case ${op.get_enum_name()}:
+ for (unsigned c = 0; c < components; c++) {
+ switch (op[0]->type->base_type) {
+ % for dst_type, src_types in op.signatures():
+ case ${src_types[0].glsl_type}:
+ data.${dst_type.union_field}[c] = ${op.get_c_expression(src_types)};
+ break;
+ % endfor
+ default:
+ assert(0);
+ }
+ }
+ break;""")
+
+# This template is for binary operations that can operate on some combination
+# of scalar and vector operands.
+constant_template_vector_scalar = mako.template.Template("""\
+ case ${op.get_enum_name()}:
+ % if "mixed" in op.flags:
+ % for i in xrange(op.num_operands):
+ assert(op[${i}]->type->base_type == ${op.source_types[0].glsl_type} ||
+ % for src_type in op.source_types[1:-1]:
+ op[${i}]->type->base_type == ${src_type.glsl_type} ||
+ % endfor
+ op[${i}]->type->base_type == ${op.source_types[-1].glsl_type});
+ % endfor
+ % else:
+ assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar);
+ % endif
+ for (unsigned c = 0, c0 = 0, c1 = 0;
+ c < components;
+ c0 += c0_inc, c1 += c1_inc, c++) {
+
+ switch (op[0]->type->base_type) {
+ % for dst_type, src_types in op.signatures():
+ case ${src_types[0].glsl_type}:
+ data.${dst_type.union_field}[c] = ${op.get_c_expression(src_types, ("c0", "c1", "c2"))};
+ break;
+ % endfor
+ default:
+ assert(0);
+ }
+ }
+ break;""")
+
+# This template is for multiplication. It is unique because it has to support
+# matrix * vector and matrix * matrix operations, and those are just different.
+constant_template_mul = mako.template.Template("""\
+ case ${op.get_enum_name()}:
+ /* Check for equal types, or unequal types involving scalars */
+ if ((op[0]->type == op[1]->type && !op[0]->type->is_matrix())
+ || op0_scalar || op1_scalar) {
+ for (unsigned c = 0, c0 = 0, c1 = 0;
+ c < components;
+ c0 += c0_inc, c1 += c1_inc, c++) {
+
+ switch (op[0]->type->base_type) {
+ % for dst_type, src_types in op.signatures():
+ case ${src_types[0].glsl_type}:
+ data.${dst_type.union_field}[c] = ${op.get_c_expression(src_types, ("c0", "c1", "c2"))};
+ break;
+ % endfor
+ default:
+ assert(0);
+ }
+ }
+ } else {
+ assert(op[0]->type->is_matrix() || op[1]->type->is_matrix());
+
+ /* Multiply an N-by-M matrix with an M-by-P matrix. Since either
+ * matrix can be a GLSL vector, either N or P can be 1.
+ *
+ * For vec*mat, the vector is treated as a row vector. This
+ * means the vector is a 1-row x M-column matrix.
+ *
+ * For mat*vec, the vector is treated as a column vector. Since
+ * matrix_columns is 1 for vectors, this just works.
+ */
+ const unsigned n = op[0]->type->is_vector()
+ ? 1 : op[0]->type->vector_elements;
+ const unsigned m = op[1]->type->vector_elements;
+ const unsigned p = op[1]->type->matrix_columns;
+ for (unsigned j = 0; j < p; j++) {
+ for (unsigned i = 0; i < n; i++) {
+ for (unsigned k = 0; k < m; k++) {
+ if (op[0]->type->base_type == GLSL_TYPE_DOUBLE)
+ data.d[i+n*j] += op[0]->value.d[i+n*k]*op[1]->value.d[k+m*j];
+ else
+ data.f[i+n*j] += op[0]->value.f[i+n*k]*op[1]->value.f[k+m*j];
+ }
+ }
+ }
+ }
+ break;""")
+
+# This template is for operations that are horizontal and either have only a
+# single type or the implementation for all types is identical. That is, the
+# operation consumes a vector and produces a scalar.
+constant_template_horizontal_single_implementation = mako.template.Template("""\
+ case ${op.get_enum_name()}:
+ data.${op.dest_type.union_field}[0] = ${op.c_expression['default']};
+ break;""")
+
+# This template is for operations that are horizontal and do not assign the
+# result. The various unpack operations are examples.
+constant_template_horizontal_nonassignment = mako.template.Template("""\
+ case ${op.get_enum_name()}:
+ ${op.c_expression['default']};
+ break;""")
+
+# This template is for binary operations that are horizontal. That is, the
+# operation consumes a vector and produces a scalar.
+constant_template_horizontal = mako.template.Template("""\
+ case ${op.get_enum_name()}:
+ switch (op[0]->type->base_type) {
+ % for dst_type, src_types in op.signatures():
+ case ${src_types[0].glsl_type}:
+ data.${dst_type.union_field}[0] = ${op.get_c_expression(src_types)};
+ break;
+ % endfor
+ default:
+ assert(0);
+ }
+ break;""")
+
+# This template is for ir_binop_vector_extract.
+constant_template_vector_extract = mako.template.Template("""\
+ case ${op.get_enum_name()}: {
+ const int c = CLAMP(op[1]->value.i[0], 0,
+ (int) op[0]->type->vector_elements - 1);
+
+ switch (op[0]->type->base_type) {
+ % for dst_type, src_types in op.signatures():
+ case ${src_types[0].glsl_type}:
+ data.${dst_type.union_field}[0] = op[0]->value.${src_types[0].union_field}[c];
+ break;
+ % endfor
+ default:
+ assert(0);
+ }
+ break;
+ }""")
+
+# This template is for ir_triop_vector_insert.
+constant_template_vector_insert = mako.template.Template("""\
+ case ${op.get_enum_name()}: {
+ const unsigned idx = op[2]->value.u[0];
+
+ memcpy(&data, &op[0]->value, sizeof(data));
+
+ switch (this->type->base_type) {
+ % for dst_type, src_types in op.signatures():
+ case ${src_types[0].glsl_type}:
+ data.${dst_type.union_field}[idx] = op[1]->value.${src_types[0].union_field}[0];
+ break;
+ % endfor
+ default:
+ assert(!"Should not get here.");
+ break;
+ }
+ break;
+ }""")
+
+# This template is for ir_quadop_vector.
+constant_template_vector = mako.template.Template("""\
+ case ${op.get_enum_name()}:
+ for (unsigned c = 0; c < this->type->vector_elements; c++) {
+ switch (this->type->base_type) {
+ % for dst_type, src_types in op.signatures():
+ case ${src_types[0].glsl_type}:
+ data.${dst_type.union_field}[c] = op[c]->value.${src_types[0].union_field}[0];
+ break;
+ % endfor
+ default:
+ assert(0);
+ }
+ }
+ break;""")
+
+
+vector_scalar_operation = "vector-scalar"
+horizontal_operation = "horizontal"
+types_identical_operation = "identical"
+non_assign_operation = "nonassign"
+mixed_type_operation = "mixed"
+
+class operation(object):
+ def __init__(self, name, num_operands, printable_name = None, source_types = None, dest_type = None, c_expression = None, flags = None, all_signatures = None):
+ self.name = name
+ self.num_operands = num_operands
+
+ if printable_name is None:
+ self.printable_name = name
+ else:
+ self.printable_name = printable_name
+
+ self.all_signatures = all_signatures
+
+ if source_types is None:
+ self.source_types = tuple()
+ else:
+ self.source_types = source_types
+
+ self.dest_type = dest_type
+
+ if c_expression is None:
+ self.c_expression = None
+ elif isinstance(c_expression, str):
+ self.c_expression = {'default': c_expression}
+ else:
+ self.c_expression = c_expression
+
+ if flags is None:
+ self.flags = frozenset()
+ elif isinstance(flags, str):
+ self.flags = frozenset([flags])
+ else:
+ self.flags = frozenset(flags)
+
+
+ def get_enum_name(self):
+ return "ir_{}op_{}".format(("un", "bin", "tri", "quad")[self.num_operands-1], self.name)
+
+
+ def get_template(self):
+ if self.c_expression is None:
+ return None
+
+ if self.num_operands == 1:
+ if horizontal_operation in self.flags and non_assign_operation in self.flags:
+ return constant_template_horizontal_nonassignment.render(op=self)
+ elif horizontal_operation in self.flags:
+ return constant_template_horizontal_single_implementation.render(op=self)
+ elif self.dest_type is not None and len(self.source_types) == 1:
+ return constant_template2.render(op=self)
+ elif self.dest_type is not None:
+ return constant_template5.render(op=self)
+ elif len(self.source_types) == 1:
+ return constant_template0.render(op=self)
+ elif len(self.c_expression) == 1 and 'default' in self.c_expression:
+ return constant_template1.render(op=self)
+ else:
+ return constant_template3.render(op=self)
+ elif self.num_operands == 2:
+ if self.name == "mul":
+ return constant_template_mul.render(op=self)
+ elif self.name == "vector_extract":
+ return constant_template_vector_extract.render(op=self)
+ elif vector_scalar_operation in self.flags:
+ return constant_template_vector_scalar.render(op=self)
+ elif horizontal_operation in self.flags and types_identical_operation in self.flags:
+ return constant_template_horizontal_single_implementation.render(op=self)
+ elif horizontal_operation in self.flags:
+ return constant_template_horizontal.render(op=self)
+ elif len(self.source_types) == 1:
+ return constant_template0.render(op=self)
+ elif self.dest_type is not None:
+ return constant_template5.render(op=self)
+ else:
+ return constant_template3.render(op=self)
+ elif self.num_operands == 3:
+ if self.name == "vector_insert":
+ return constant_template_vector_insert.render(op=self)
+ else:
+ return constant_template3.render(op=self)
+ elif self.num_operands == 4:
+ if self.name == "vector":
+ return constant_template_vector.render(op=self)
+ elif types_identical_operation in self.flags:
+ return constant_template0.render(op=self)
+
+ return None
+
+
+ def get_c_expression(self, types, indices=("c", "c", "c")):
+ src0 = "op[0]->value.{}[{}]".format(types[0].union_field, indices[0])
+ src1 = "op[1]->value.{}[{}]".format(types[1].union_field, indices[1]) if len(types) >= 2 else "ERROR"
+ src2 = "op[2]->value.{}[{}]".format(types[2].union_field, indices[2]) if len(types) >= 3 else "ERROR"
+ src3 = "op[3]->value.{}[c]".format(types[3].union_field) if len(types) >= 4 else "ERROR"
+
+ expr = self.c_expression[types[0].union_field] if types[0].union_field in self.c_expression else self.c_expression['default']
+
+ return expr.format(src0=src0,
+ src1=src1,
+ src2=src2,
+ src3=src3)
+
+
+ def signatures(self):
+ if self.all_signatures is not None:
+ return self.all_signatures
+ else:
+ return type_signature_iter(self.dest_type, self.source_types, self.num_operands)
+
+
ir_expression_operation = [
- # Name operands string comment
- ("bit_not", 1, "~", None),
- ("logic_not", 1, "!", None),
- ("neg", 1, None, None),
- ("abs", 1, None, None),
- ("sign", 1, None, None),
- ("rcp", 1, None, None),
- ("rsq", 1, None, None),
- ("sqrt", 1, None, None),
- ("exp", 1, None, "Log base e on gentype"),
- ("log", 1, None, "Natural log on gentype"),
- ("exp2", 1, None, None),
- ("log2", 1, None, None),
- ("f2i", 1, None, "Float-to-integer conversion."),
- ("f2u", 1, None, "Float-to-unsigned conversion."),
- ("i2f", 1, None, "Integer-to-float conversion."),
- ("f2b", 1, None, "Float-to-boolean conversion"),
- ("b2f", 1, None, "Boolean-to-float conversion"),
- ("i2b", 1, None, "int-to-boolean conversion"),
- ("b2i", 1, None, "Boolean-to-int conversion"),
- ("u2f", 1, None, "Unsigned-to-float conversion."),
- ("i2u", 1, None, "Integer-to-unsigned conversion."),
- ("u2i", 1, None, "Unsigned-to-integer conversion."),
- ("d2f", 1, None, "Double-to-float conversion."),
- ("f2d", 1, None, "Float-to-double conversion."),
- ("d2i", 1, None, "Double-to-integer conversion."),
- ("i2d", 1, None, "Integer-to-double conversion."),
- ("d2u", 1, None, "Double-to-unsigned conversion."),
- ("u2d", 1, None, "Unsigned-to-double conversion."),
- ("d2b", 1, None, "Double-to-boolean conversion."),
- ("bitcast_i2f", 1, None, 'Bit-identical int-to-float "conversion"'),
- ("bitcast_f2i", 1, None, 'Bit-identical float-to-int "conversion"'),
- ("bitcast_u2f", 1, None, 'Bit-identical uint-to-float "conversion"'),
- ("bitcast_f2u", 1, None, 'Bit-identical float-to-uint "conversion"'),
-"""
- /**
- * \\name Unary floating-point rounding operations.
- */
- /*@{*/""",
- ("trunc", 1, None, None),
- ("ceil", 1, None, None),
- ("floor", 1, None, None),
- ("fract", 1, None, None),
- ("round_even", 1, None, None),
-""" /*@}*/
-
- /**
- * \\name Trigonometric operations.
- */
- /*@{*/""",
- ("sin", 1, None, None),
- ("cos", 1, None, None),
-""" /*@}*/
-
- /**
- * \\name Partial derivatives.
- */
- /*@{*/""",
- ("dFdx", 1, None, None),
- ("dFdx_coarse", 1, "dFdxCoarse", None),
- ("dFdx_fine", 1, "dFdxFine", None),
- ("dFdy", 1, None, None),
- ("dFdy_coarse", 1, "dFdyCoarse", None),
- ("dFdy_fine", 1, "dFdyFine", None),
-""" /*@}*/
-
- /**
- * \\name Floating point pack and unpack operations.
- */
- /*@{*/""",
- ("pack_snorm_2x16", 1, "packSnorm2x16", None),
- ("pack_snorm_4x8", 1, "packSnorm4x8", None),
- ("pack_unorm_2x16", 1, "packUnorm2x16", None),
- ("pack_unorm_4x8", 1, "packUnorm4x8", None),
- ("pack_half_2x16", 1, "packHalf2x16", None),
- ("unpack_snorm_2x16", 1, "unpackSnorm2x16", None),
- ("unpack_snorm_4x8", 1, "unpackSnorm4x8", None),
- ("unpack_unorm_2x16", 1, "unpackUnorm2x16", None),
- ("unpack_unorm_4x8", 1, "unpackUnorm4x8", None),
- ("unpack_half_2x16", 1, "unpackHalf2x16", None),
-""" /*@}*/
-
- /**
- * \\name Bit operations, part of ARB_gpu_shader5.
- */
- /*@{*/""",
- ("bitfield_reverse", 1, None, None),
- ("bit_count", 1, None, None),
- ("find_msb", 1, None, None),
- ("find_lsb", 1, None, None),
-""" /*@}*/
-""",
- ("saturate", 1, "sat", None),
-"""
- /**
- * \\name Double packing, part of ARB_gpu_shader_fp64.
- */
- /*@{*/""",
- ("pack_double_2x32", 1, "packDouble2x32", None),
- ("unpack_double_2x32", 1, "unpackDouble2x32", None),
-""" /*@}*/
-""",
- ("frexp_sig", 1, None, None),
- ("frexp_exp", 1, None, None),
- "",
- ("noise", 1, None, None),
- "",
- ("subroutine_to_int", 1, None, None),
-""" /**
- * Interpolate fs input at centroid
- *
- * operand0 is the fs input.
- */""",
- ("interpolate_at_centroid", 1, None, None),
-"""
- /**
- * Ask the driver for the total size of a buffer block.
- *
- * operand0 is the ir_constant buffer block index in the linked shader.
- */""",
- ("get_buffer_size", 1, None, None),
-"""
- /**
- * Calculate length of an unsized array inside a buffer block.
- * This opcode is going to be replaced in a lowering pass inside
- * the linker.
- *
- * operand0 is the unsized array's ir_value for the calculation
- * of its length.
- */""",
- ("ssbo_unsized_array_length", 1, None, None),
-"""
- /**
- * Vote among threads on the value of the boolean argument.
- */""",
- ("vote_any", 1, None, None),
- ("vote_all", 1, None, None),
- ("vote_eq", 1, None, None),
- "",
- ("add", 2, "+", None),
- ("sub", 2, "-", None),
- ("mul", 2, "*", "Floating-point or low 32-bit integer multiply."),
- ("imul_high", 2, None, "Calculates the high 32-bits of a 64-bit multiply."),
- ("div", 2, "/", None),
-"""
- /**
- * Returns the carry resulting from the addition of the two arguments.
- */
- /*@{*/""",
- ("carry", 2, None, None),
-""" /*@}*/
-
- /**
- * Returns the borrow resulting from the subtraction of the second argument
- * from the first argument.
- */
- /*@{*/""",
- ("borrow", 2, None, None),
-""" /*@}*/
-
- /**
- * Takes one of two combinations of arguments:
- *
- * - mod(vecN, vecN)
- * - mod(vecN, float)
- *
- * Does not take integer types.
- */""",
- ("mod", 2, "%", None),
-"""
- /**
- * \\name Binary comparison operators which return a boolean vector.
- * The type of both operands must be equal.
- */
- /*@{*/""",
- ("less", 2, "<", None),
- ("greater", 2, ">", None),
- ("lequal", 2, "<=", None),
- ("gequal", 2, ">=", None),
- ("equal", 2, "==", None),
- ("nequal", 2, "!=", None),
-""" /**
- * Returns single boolean for whether all components of operands[0]
- * equal the components of operands[1].
- */""",
- ("all_equal", 2, None, None),
-""" /**
- * Returns single boolean for whether any component of operands[0]
- * is not equal to the corresponding component of operands[1].
- */""",
- ("any_nequal", 2, None, None),
-""" /*@}*/
-
- /**
- * \\name Bit-wise binary operations.
- */
- /*@{*/""",
- ("lshift", 2, "<<", None),
- ("rshift", 2, ">>", None),
- ("bit_and", 2, "&", None),
- ("bit_xor", 2, "^", None),
- ("bit_or", 2, "|", None),
-""" /*@}*/
-""",
- ("logic_and", 2, "&&", None),
- ("logic_xor", 2, "^^", None),
- ("logic_or", 2, "||", None),
- "",
- ("dot", 2, None, None),
- ("min", 2, None, None),
- ("max", 2, None, None),
- "",
- ("pow", 2, None, None),
-"""
- /**
- * Load a value the size of a given GLSL type from a uniform block.
- *
- * operand0 is the ir_constant uniform block index in the linked shader.
- * operand1 is a byte offset within the uniform block.
- */""",
- ("ubo_load", 2, None, None),
-"""
- /**
- * \\name Multiplies a number by two to a power, part of ARB_gpu_shader5.
- */
- /*@{*/""",
- ("ldexp", 2, None, None),
-""" /*@}*/
-
- /**
- * Extract a scalar from a vector
- *
- * operand0 is the vector
- * operand1 is the index of the field to read from operand0
- */""",
- ("vector_extract", 2, None, None),
-"""
- /**
- * Interpolate fs input at offset
- *
- * operand0 is the fs input
- * operand1 is the offset from the pixel center
- */""",
- ("interpolate_at_offset", 2, None, None),
-"""
- /**
- * Interpolate fs input at sample position
- *
- * operand0 is the fs input
- * operand1 is the sample ID
- */""",
- ("interpolate_at_sample", 2, None, None),
-"""
- /**
- * \\name Fused floating-point multiply-add, part of ARB_gpu_shader5.
- */
- /*@{*/""",
- ("fma", 3, None, None),
-""" /*@}*/
-""",
- ("lrp", 3, None, None),
-"""
- /**
- * \\name Conditional Select
- *
- * A vector conditional select instruction (like ?:, but operating per-
- * component on vectors).
- *
- * \\see lower_instructions_visitor::ldexp_to_arith
- */
- /*@{*/""",
- ("csel", 3, None, None),
-""" /*@}*/
-""",
- ("bitfield_extract", 3, None, None),
-"""
- /**
- * Generate a value with one field of a vector changed
- *
- * operand0 is the vector
- * operand1 is the value to write into the vector result
- * operand2 is the index in operand0 to be modified
- */""",
- ("vector_insert", 3, None, None),
- "",
- ("bitfield_insert", 4, None, None),
- "",
- ("vector", 4, None, None),
+ operation("bit_not", 1, printable_name="~", source_types=integer_types, c_expression="~ {src0}"),
+ operation("logic_not", 1, printable_name="!", source_types=(bool_type,), c_expression="!{src0}"),
+ operation("neg", 1, source_types=numeric_types, c_expression={'u': "-((int) {src0})", 'default': "-{src0}"}),
+ operation("abs", 1, source_types=signed_numeric_types, c_expression={'i': "{src0} < 0 ? -{src0} : {src0}", 'f': "fabsf({src0})", 'd': "fabs({src0})"}),
+ 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))"}),
+ operation("rcp", 1, source_types=real_types, c_expression={'f': "{src0} != 0.0F ? 1.0F / {src0} : 0.0F", 'd': "{src0} != 0.0 ? 1.0 / {src0} : 0.0"}),
+ operation("rsq", 1, source_types=real_types, c_expression={'f': "1.0F / sqrtf({src0})", 'd': "1.0 / sqrt({src0})"}),
+ operation("sqrt", 1, source_types=real_types, c_expression={'f': "sqrtf({src0})", 'd': "sqrt({src0})"}),
+ operation("exp", 1, source_types=(float_type,), c_expression="expf({src0})"), # Log base e on gentype
+ operation("log", 1, source_types=(float_type,), c_expression="logf({src0})"), # Natural log on gentype
+ operation("exp2", 1, source_types=(float_type,), c_expression="exp2f({src0})"),
+ operation("log2", 1, source_types=(float_type,), c_expression="log2f({src0})"),
+
+ # Float-to-integer conversion.
+ operation("f2i", 1, source_types=(float_type,), dest_type=int_type, c_expression="(int) {src0}"),
+ # Float-to-unsigned conversion.
+ operation("f2u", 1, source_types=(float_type,), dest_type=uint_type, c_expression="(unsigned) {src0}"),
+ # Integer-to-float conversion.
+ operation("i2f", 1, source_types=(int_type,), dest_type=float_type, c_expression="(float) {src0}"),
+ # Float-to-boolean conversion
+ operation("f2b", 1, source_types=(float_type,), dest_type=bool_type, c_expression="{src0} != 0.0F ? true : false"),
+ # Boolean-to-float conversion
+ operation("b2f", 1, source_types=(bool_type,), dest_type=float_type, c_expression="{src0} ? 1.0F : 0.0F"),
+ # int-to-boolean conversion
+ operation("i2b", 1, source_types=integer_types, dest_type=bool_type, c_expression="{src0} ? true : false"),
+ # Boolean-to-int conversion
+ operation("b2i", 1, source_types=(bool_type,), dest_type=int_type, c_expression="{src0} ? 1 : 0"),
+ # Unsigned-to-float conversion.
+ operation("u2f", 1, source_types=(uint_type,), dest_type=float_type, c_expression="(float) {src0}"),
+ # Integer-to-unsigned conversion.
+ operation("i2u", 1, source_types=(int_type,), dest_type=uint_type, c_expression="{src0}"),
+ # Unsigned-to-integer conversion.
+ operation("u2i", 1, source_types=(uint_type,), dest_type=int_type, c_expression="{src0}"),
+ # Double-to-float conversion.
+ operation("d2f", 1, source_types=(double_type,), dest_type=float_type, c_expression="{src0}"),
+ # Float-to-double conversion.
+ operation("f2d", 1, source_types=(float_type,), dest_type=double_type, c_expression="{src0}"),
+ # Double-to-integer conversion.
+ operation("d2i", 1, source_types=(double_type,), dest_type=int_type, c_expression="{src0}"),
+ # Integer-to-double conversion.
+ operation("i2d", 1, source_types=(int_type,), dest_type=double_type, c_expression="{src0}"),
+ # Double-to-unsigned conversion.
+ operation("d2u", 1, source_types=(double_type,), dest_type=uint_type, c_expression="{src0}"),
+ # Unsigned-to-double conversion.
+ operation("u2d", 1, source_types=(uint_type,), dest_type=double_type, c_expression="{src0}"),
+ # Double-to-boolean conversion.
+ operation("d2b", 1, source_types=(double_type,), dest_type=bool_type, c_expression="{src0} != 0.0"),
+ # 'Bit-identical int-to-float "conversion"
+ operation("bitcast_i2f", 1, source_types=(int_type,), dest_type=float_type, c_expression="bitcast_u2f({src0})"),
+ # 'Bit-identical float-to-int "conversion"
+ operation("bitcast_f2i", 1, source_types=(float_type,), dest_type=int_type, c_expression="bitcast_f2u({src0})"),
+ # 'Bit-identical uint-to-float "conversion"
+ operation("bitcast_u2f", 1, source_types=(uint_type,), dest_type=float_type, c_expression="bitcast_u2f({src0})"),
+ # 'Bit-identical float-to-uint "conversion"
+ operation("bitcast_f2u", 1, source_types=(float_type,), dest_type=uint_type, c_expression="bitcast_f2u({src0})"),
+
+ # Unary floating-point rounding operations.
+ operation("trunc", 1, source_types=real_types, c_expression={'f': "truncf({src0})", 'd': "trunc({src0})"}),
+ operation("ceil", 1, source_types=real_types, c_expression={'f': "ceilf({src0})", 'd': "ceil({src0})"}),
+ operation("floor", 1, source_types=real_types, c_expression={'f': "floorf({src0})", 'd': "floor({src0})"}),
+ operation("fract", 1, source_types=real_types, c_expression={'f': "{src0} - floorf({src0})", 'd': "{src0} - floor({src0})"}),
+ operation("round_even", 1, source_types=real_types, c_expression={'f': "_mesa_roundevenf({src0})", 'd': "_mesa_roundeven({src0})"}),
+
+ # Trigonometric operations.
+ operation("sin", 1, source_types=(float_type,), c_expression="sinf({src0})"),
+ operation("cos", 1, source_types=(float_type,), c_expression="cosf({src0})"),
+
+ # Partial derivatives.
+ operation("dFdx", 1, source_types=(float_type,), c_expression="0.0f"),
+ operation("dFdx_coarse", 1, printable_name="dFdxCoarse", source_types=(float_type,), c_expression="0.0f"),
+ operation("dFdx_fine", 1, printable_name="dFdxFine", source_types=(float_type,), c_expression="0.0f"),
+ operation("dFdy", 1, source_types=(float_type,), c_expression="0.0f"),
+ operation("dFdy_coarse", 1, printable_name="dFdyCoarse", source_types=(float_type,), c_expression="0.0f"),
+ operation("dFdy_fine", 1, printable_name="dFdyFine", source_types=(float_type,), c_expression="0.0f"),
+
+ # Floating point pack and unpack operations.
+ 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),
+ 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),
+ 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),
+ 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),
+ 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),
+ 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))),
+ 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))),
+ 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))),
+ 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))),
+ 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))),
+
+ # Bit operations, part of ARB_gpu_shader5.
+ operation("bitfield_reverse", 1, source_types=integer_types, c_expression="bitfield_reverse({src0})"),
+ operation("bit_count", 1, source_types=integer_types, dest_type=int_type, c_expression="_mesa_bitcount({src0})"),
+ operation("find_msb", 1, source_types=integer_types, dest_type=int_type, c_expression={'u': "find_msb_uint({src0})", 'i': "find_msb_int({src0})"}),
+ operation("find_lsb", 1, source_types=integer_types, dest_type=int_type, c_expression="find_msb_uint({src0} & -{src0})"),
+
+ operation("saturate", 1, printable_name="sat", source_types=(float_type,), c_expression="CLAMP({src0}, 0.0f, 1.0f)"),
+
+ # Double packing, part of ARB_gpu_shader_fp64.
+ 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))),
+ 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))),
+
+ operation("frexp_sig", 1),
+ operation("frexp_exp", 1),
+
+ operation("noise", 1),
+
+ operation("subroutine_to_int", 1),
+
+ # Interpolate fs input at centroid
+ #
+ # operand0 is the fs input.
+ operation("interpolate_at_centroid", 1),
+
+ # Ask the driver for the total size of a buffer block.
+ # operand0 is the ir_constant buffer block index in the linked shader.
+ operation("get_buffer_size", 1),
+
+ # Calculate length of an unsized array inside a buffer block.
+ # This opcode is going to be replaced in a lowering pass inside
+ # the linker.
+ #
+ # operand0 is the unsized array's ir_value for the calculation
+ # of its length.
+ operation("ssbo_unsized_array_length", 1),
+
+ # Vote among threads on the value of the boolean argument.
+ operation("vote_any", 1),
+ operation("vote_all", 1),
+ operation("vote_eq", 1),
+
+ operation("add", 2, printable_name="+", source_types=numeric_types, c_expression="{src0} + {src1}", flags=vector_scalar_operation),
+ operation("sub", 2, printable_name="-", source_types=numeric_types, c_expression="{src0} - {src1}", flags=vector_scalar_operation),
+ # "Floating-point or low 32-bit integer multiply."
+ operation("mul", 2, printable_name="*", source_types=numeric_types, c_expression="{src0} * {src1}"),
+ operation("imul_high", 2), # Calculates the high 32-bits of a 64-bit multiply.
+ operation("div", 2, printable_name="/", source_types=numeric_types, c_expression={'u': "{src1} == 0 ? 0 : {src0} / {src1}", 'i': "{src1} == 0 ? 0 : {src0} / {src1}", 'default': "{src0} / {src1}"}, flags=vector_scalar_operation),
+
+ # Returns the carry resulting from the addition of the two arguments.
+ operation("carry", 2),
+
+ # Returns the borrow resulting from the subtraction of the second argument
+ # from the first argument.
+ operation("borrow", 2),
+
+ # Either (vector % vector) or (vector % scalar)
+ #
+ # We don't use fmod because it rounds toward zero; GLSL specifies the use
+ # of floor.
+ 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})"}, flags=vector_scalar_operation),
+
+ # Binary comparison operators which return a boolean vector.
+ # The type of both operands must be equal.
+ operation("less", 2, printable_name="<", source_types=numeric_types, dest_type=bool_type, c_expression="{src0} < {src1}"),
+ operation("greater", 2, printable_name=">", source_types=numeric_types, dest_type=bool_type, c_expression="{src0} > {src1}"),
+ operation("lequal", 2, printable_name="<=", source_types=numeric_types, dest_type=bool_type, c_expression="{src0} <= {src1}"),
+ operation("gequal", 2, printable_name=">=", source_types=numeric_types, dest_type=bool_type, c_expression="{src0} >= {src1}"),
+ operation("equal", 2, printable_name="==", source_types=all_types, dest_type=bool_type, c_expression="{src0} == {src1}"),
+ operation("nequal", 2, printable_name="!=", source_types=all_types, dest_type=bool_type, c_expression="{src0} != {src1}"),
+
+ # Returns single boolean for whether all components of operands[0]
+ # equal the components of operands[1].
+ 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))),
+
+ # Returns single boolean for whether any component of operands[0]
+ # is not equal to the corresponding component of operands[1].
+ 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))),
+
+ # Bit-wise binary operations.
+ operation("lshift", 2, printable_name="<<", source_types=integer_types, c_expression="{src0} << {src1}", flags=frozenset((vector_scalar_operation, mixed_type_operation))),
+ operation("rshift", 2, printable_name=">>", source_types=integer_types, c_expression="{src0} >> {src1}", flags=frozenset((vector_scalar_operation, mixed_type_operation))),
+ operation("bit_and", 2, printable_name="&", source_types=integer_types, c_expression="{src0} & {src1}", flags=vector_scalar_operation),
+ operation("bit_xor", 2, printable_name="^", source_types=integer_types, c_expression="{src0} ^ {src1}", flags=vector_scalar_operation),
+ operation("bit_or", 2, printable_name="|", source_types=integer_types, c_expression="{src0} | {src1}", flags=vector_scalar_operation),
+
+ operation("logic_and", 2, printable_name="&&", source_types=(bool_type,), c_expression="{src0} && {src1}"),
+ operation("logic_xor", 2, printable_name="^^", source_types=(bool_type,), c_expression="{src0} != {src1}"),
+ operation("logic_or", 2, printable_name="||", source_types=(bool_type,), c_expression="{src0} || {src1}"),
+
+ 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),
+ operation("min", 2, source_types=numeric_types, c_expression="MIN2({src0}, {src1})", flags=vector_scalar_operation),
+ operation("max", 2, source_types=numeric_types, c_expression="MAX2({src0}, {src1})", flags=vector_scalar_operation),
+
+ operation("pow", 2, source_types=(float_type,), c_expression="powf({src0}, {src1})"),
+
+ # Load a value the size of a given GLSL type from a uniform block.
+ #
+ # operand0 is the ir_constant uniform block index in the linked shader.
+ # operand1 is a byte offset within the uniform block.
+ operation("ubo_load", 2),
+
+ # Multiplies a number by two to a power, part of ARB_gpu_shader5.
+ operation("ldexp", 2,
+ all_signatures=((float_type, (float_type, int_type)),
+ (double_type, (double_type, int_type))),
+ c_expression={'f': "ldexpf_flush_subnormal({src0}, {src1})",
+ 'd': "ldexp_flush_subnormal({src0}, {src1})"}),
+
+ # Extract a scalar from a vector
+ #
+ # operand0 is the vector
+ # operand1 is the index of the field to read from operand0
+ operation("vector_extract", 2, source_types=all_types, c_expression="anything-except-None"),
+
+ # Interpolate fs input at offset
+ #
+ # operand0 is the fs input
+ # operand1 is the offset from the pixel center
+ operation("interpolate_at_offset", 2),
+
+ # Interpolate fs input at sample position
+ #
+ # operand0 is the fs input
+ # operand1 is the sample ID
+ operation("interpolate_at_sample", 2),
+
+ # Fused floating-point multiply-add, part of ARB_gpu_shader5.
+ operation("fma", 3, source_types=real_types, c_expression="{src0} * {src1} + {src2}"),
+
+ operation("lrp", 3),
+
+ # Conditional Select
+ #
+ # A vector conditional select instruction (like ?:, but operating per-
+ # component on vectors).
+ #
+ # See also lower_instructions_visitor::ldexp_to_arith
+ operation("csel", 3),
+
+ operation("bitfield_extract", 3,
+ all_signatures=((int_type, (uint_type, int_type, int_type)),
+ (int_type, (int_type, int_type, int_type))),
+ c_expression={'u': "bitfield_extract_uint({src0}, {src1}, {src2})",
+ 'i': "bitfield_extract_int({src0}, {src1}, {src2})"}),
+
+ # Generate a value with one field of a vector changed
+ #
+ # operand0 is the vector
+ # operand1 is the value to write into the vector result
+ # operand2 is the index in operand0 to be modified
+ operation("vector_insert", 3, source_types=all_types, c_expression="anything-except-None"),
+
+ operation("bitfield_insert", 4,
+ all_signatures=((uint_type, (uint_type, uint_type, int_type, int_type)),
+ (int_type, (int_type, int_type, int_type, int_type))),
+ c_expression="bitfield_insert({src0}, {src1}, {src2}, {src3})",
+ flags=types_identical_operation),
+
+ operation("vector", 4, source_types=all_types, c_expression="anything-except-None"),
]
-def name_from_item(item):
- return "ir_{}op_{}".format(("un", "bin", "tri", "quad")[item[1]-1], item[0])
if __name__ == "__main__":
copyright = """/*
*/
"""
enum_template = mako.template.Template(copyright + """
-/* Update ir_expression::get_num_operands() and operator_strs when
- * updating this list.
- */
enum ir_expression_operation {
% for item in values:
-% if isinstance(item, str):
-${item}
-% else:
- ${name_from_item(item)},${"" if item[3] is None else " /**< {} */".format(item[3])}
-% endif
+ ${item.get_enum_name()},
% endfor
- /**
- * Sentinels marking the last of each kind of operation;
- */
-% for (name, i) in lasts:
- ir_last_${("un", "bin", "tri", "quad")[i]}op = ${name_from_item((name, i+1))},
+ /* Sentinels marking the last of each kind of operation. */
+% for item in lasts:
+ ir_last_${("un", "bin", "tri", "quad")[item.num_operands - 1]}op = ${item.get_enum_name()},
% endfor
- ir_last_opcode = ir_quadop_${lasts[3][0]}
+ ir_last_opcode = ir_quadop_${lasts[3].name}
};""")
strings_template = mako.template.Template(copyright + """
const char *const ir_expression_operation_strings[] = {
% for item in values:
-% if not isinstance(item, str):
- "${item[2] if item[2] is not None else item[0]}",
-% endif
+ "${item.printable_name}",
% endfor
};""")
+ constant_template = mako.template.Template("""\
+ switch (this->operation) {
+% for op in values:
+ % if op.c_expression is not None:
+${op.get_template()}
+
+ % endif
+% endfor
+ default:
+ /* FINISHME: Should handle all expression types. */
+ return NULL;
+ }
+""")
+
if sys.argv[1] == "enum":
lasts = [None, None, None, None]
for item in reversed(ir_expression_operation):
- if isinstance(item, str):
- continue
-
- i = item[1] - 1
+ i = item.num_operands - 1
if lasts[i] is None:
- lasts[i] = (item[0], i)
+ lasts[i] = item
print(enum_template.render(values=ir_expression_operation,
- lasts=lasts,
- name_from_item=name_from_item))
+ lasts=lasts))
elif sys.argv[1] == "strings":
- print(strings_template.render(values=ir_expression_operation,
- name_from_item=name_from_item))
+ print(strings_template.render(values=ir_expression_operation))
+ elif sys.argv[1] == "constant":
+ print(constant_template.render(values=ir_expression_operation))
projects / mesa.git / blobdiff