#include "main/imports.h"
#include "main/simple_list.h"
#include "ir.h"
+#include "ir_visitor.h"
#include "glsl_types.h"
ir_assignment::ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs,
ir_rvalue *condition)
- : ir_rvalue()
{
this->lhs = lhs;
this->rhs = rhs;
ir_expression::ir_expression(int op, const struct glsl_type *type,
ir_rvalue *op0, ir_rvalue *op1)
- : ir_rvalue()
{
this->type = type;
this->operation = ir_expression_operation(op);
this->operands[1] = op1;
}
+unsigned int
+ir_expression::get_num_operands(void)
+{
+/* Update ir_print_visitor.cpp when updating this list. */
+ const int num_operands[] = {
+ 1, /* ir_unop_bit_not */
+ 1, /* ir_unop_logic_not */
+ 1, /* ir_unop_neg */
+ 1, /* ir_unop_abs */
+ 1, /* ir_unop_rcp */
+ 1, /* ir_unop_rsq */
+ 1, /* ir_unop_sqrt */
+ 1, /* ir_unop_exp */
+ 1, /* ir_unop_log */
+ 1, /* ir_unop_exp2 */
+ 1, /* ir_unop_log2 */
+ 1, /* ir_unop_f2i */
+ 1, /* ir_unop_i2f */
+ 1, /* ir_unop_f2b */
+ 1, /* ir_unop_b2f */
+ 1, /* ir_unop_i2b */
+ 1, /* ir_unop_b2i */
+ 1, /* ir_unop_u2f */
+
+ 1, /* ir_unop_trunc */
+ 1, /* ir_unop_ceil */
+ 1, /* ir_unop_floor */
+
+ 2, /* ir_binop_add */
+ 2, /* ir_binop_sub */
+ 2, /* ir_binop_mul */
+ 2, /* ir_binop_div */
+ 2, /* ir_binop_mod */
+
+ 2, /* ir_binop_less */
+ 2, /* ir_binop_greater */
+ 2, /* ir_binop_lequal */
+ 2, /* ir_binop_gequal */
+ 2, /* ir_binop_equal */
+ 2, /* ir_binop_nequal */
+
+ 2, /* ir_binop_lshift */
+ 2, /* ir_binop_rshift */
+ 2, /* ir_binop_bit_and */
+ 2, /* ir_binop_bit_xor */
+ 2, /* ir_binop_bit_or */
+
+ 2, /* ir_binop_logic_and */
+ 2, /* ir_binop_logic_xor */
+ 2, /* ir_binop_logic_or */
+
+ 2, /* ir_binop_dot */
+ 2, /* ir_binop_min */
+ 2, /* ir_binop_max */
+
+ 2, /* ir_binop_pow */
+ };
+
+ assert(sizeof(num_operands) / sizeof(num_operands[0]) == ir_binop_pow + 1);
+
+ return num_operands[this->operation];
+}
-ir_label::ir_label(const char *label)
- : ir_instruction(), label(label)
+ir_label::ir_label(const char *label, ir_function_signature *signature)
+ : label(label), signature(signature)
{
/* empty */
}
ir_constant::ir_constant(const struct glsl_type *type, const void *data)
- : ir_rvalue()
{
- const unsigned elements =
- ((type->vector_elements == 0) ? 1 : type->vector_elements)
- * ((type->matrix_columns == 0) ? 1 : type->matrix_columns);
unsigned size = 0;
this->type = type;
break;
}
- memcpy(& this->value, data, size * elements);
+ memcpy(& this->value, data, size * type->components());
+}
+
+ir_constant::ir_constant(float f)
+{
+ this->type = glsl_type::float_type;
+ this->value.f[0] = f;
+}
+
+ir_constant::ir_constant(unsigned int u)
+{
+ this->type = glsl_type::uint_type;
+ this->value.u[0] = u;
+}
+
+ir_constant::ir_constant(int i)
+{
+ this->type = glsl_type::int_type;
+ this->value.i[0] = i;
+}
+
+ir_constant::ir_constant(bool b)
+{
+ this->type = glsl_type::bool_type;
+ this->value.b[0] = b;
}
ir_dereference::ir_dereference(ir_instruction *var)
- : ir_rvalue()
{
this->mode = ir_reference_variable;
this->var = var;
ir_dereference::ir_dereference(ir_instruction *var,
ir_rvalue *array_index)
- : ir_rvalue(), mode(ir_reference_array),
- var(var)
+ : mode(ir_reference_array), var(var)
{
- this->type = (var != NULL) ? var->type : glsl_type::error_type;
+ type = glsl_type::error_type;
+
+ if (var != NULL) {
+ const glsl_type *const vt = var->type;
+
+ if (vt->is_array()) {
+ type = vt->element_type();
+ } else if (vt->is_matrix()) {
+ type = vt->column_type();
+ } else if (vt->is_vector()) {
+ type = vt->get_base_type();
+ }
+ }
+
this->selector.array_index = array_index;
}
+bool
+ir_dereference::is_lvalue()
+{
+ if (var == NULL)
+ return false;
+
+ if (mode == ir_reference_variable) {
+ ir_variable *const as_var = var->as_variable();
+ if (as_var == NULL)
+ return false;
+
+ if (as_var->type->is_array() && !as_var->array_lvalue)
+ return false;
+
+ return !as_var->read_only;
+ } else if (mode == ir_reference_array) {
+ /* FINISHME: Walk up the dereference chain and figure out if
+ * FINISHME: the variable is read-only.
+ */
+ }
+
+ return true;
+}
ir_swizzle::ir_swizzle(ir_rvalue *val, unsigned x, unsigned y, unsigned z,
unsigned w, unsigned count)
ir_variable::ir_variable(const struct glsl_type *type, const char *name)
- : ir_instruction(), read_only(false), centroid(false), invariant(false),
+ : max_array_access(0), read_only(false), centroid(false), invariant(false),
mode(ir_var_auto), interpolation(ir_var_smooth)
{
this->type = type;
this->name = name;
+ this->constant_value = NULL;
+
+ if (type && type->base_type == GLSL_TYPE_SAMPLER)
+ this->read_only = true;
}
ir_function_signature::ir_function_signature(const glsl_type *return_type)
- : ir_instruction(), return_type(return_type), definition(NULL)
+ : return_type(return_type), definition(NULL)
{
/* empty */
}
ir_function::ir_function(const char *name)
- : ir_instruction(), name(name)
+ : name(name)
{
/* empty */
}
call->type = glsl_type::error_type;
return call;
}
+
+void
+visit_exec_list(exec_list *list, ir_visitor *visitor)
+{
+ foreach_iter(exec_list_iterator, iter, *list) {
+ ((ir_instruction *)iter.get())->accept(visitor);
+ }
+}
+
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