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/*
* Copyright © 2010 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <string.h>
#include "main/imports.h"
#include "main/simple_list.h"
#include "ir.h"
#include "glsl_types.h"
ir_assignment::ir_assignment(ir_instruction *lhs, ir_instruction *rhs,
ir_expression *condition)
: ir_instruction(ir_op_assign)
{
this->lhs = (ir_dereference *) lhs;
this->rhs = rhs;
this->condition = condition;
}
ir_expression::ir_expression(int op, const struct glsl_type *type,
ir_instruction *op0, ir_instruction *op1)
: ir_instruction(ir_op_expression)
{
this->type = type;
this->operation = ir_expression_operation(op);
this->operands[0] = op0;
this->operands[1] = op1;
}
ir_label::ir_label(const char *label)
: ir_instruction(ir_op_label), label(label)
{
/* empty */
}
ir_constant::ir_constant(const struct glsl_type *type, const void *data)
: ir_instruction(ir_op_constant)
{
const unsigned elements =
((type->vector_elements == 0) ? 1 : type->vector_elements)
* ((type->matrix_rows == 0) ? 1 : type->matrix_rows);
unsigned size = 0;
this->type = type;
switch (type->base_type) {
case GLSL_TYPE_UINT: size = sizeof(this->value.u[0]); break;
case GLSL_TYPE_INT: size = sizeof(this->value.i[0]); break;
case GLSL_TYPE_FLOAT: size = sizeof(this->value.f[0]); break;
case GLSL_TYPE_BOOL: size = sizeof(this->value.b[0]); break;
default:
/* FINISHME: What to do? Exceptions are not the answer.
*/
break;
}
memcpy(& this->value, data, size * elements);
}
ir_dereference::ir_dereference(ir_instruction *var)
: ir_instruction(ir_op_dereference)
{
this->mode = ir_reference_variable;
this->var = var;
this->type = (var != NULL) ? var->type : glsl_error_type;
}
ir_variable::ir_variable(const struct glsl_type *type, const char *name)
: ir_instruction(ir_op_var_decl), read_only(false), centroid(false),
invariant(false), mode(ir_var_auto), interpolation(ir_var_smooth)
{
this->type = type;
this->name = name;
}
ir_function_signature::ir_function_signature(const glsl_type *return_type)
: ir_instruction(ir_op_func_sig), return_type(return_type), definition(NULL)
{
/* empty */
}
ir_function::ir_function(void)
: ir_instruction(ir_op_func)
{
/* empty */
}
ir_call *
ir_call::get_error_instruction()
{
ir_call *call = new ir_call;
call->type = glsl_error_type;
return call;
}
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