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-rw-r--r--src/glsl/ir_builder.cpp8
-rw-r--r--src/glsl/ir_builder.h1
2 files changed, 9 insertions, 0 deletions
diff --git a/src/glsl/ir_builder.cpp b/src/glsl/ir_builder.cpp
index 7d9cf5e..87f5790 100644
--- a/src/glsl/ir_builder.cpp
+++ b/src/glsl/ir_builder.cpp
@@ -173,6 +173,14 @@ expr(ir_expression_operation op, operand a, operand b)
return new(mem_ctx) ir_expression(op, a.val, b.val);
}
+ir_expression *
+expr(ir_expression_operation op, operand a, operand b, operand c)
+{
+ void *mem_ctx = ralloc_parent(a.val);
+
+ return new(mem_ctx) ir_expression(op, a.val, b.val, c.val);
+}
+
ir_expression *add(operand a, operand b)
{
return expr(ir_binop_add, a, b);
diff --git a/src/glsl/ir_builder.h b/src/glsl/ir_builder.h
index 7049476..6c0b5a1 100644
--- a/src/glsl/ir_builder.h
+++ b/src/glsl/ir_builder.h
@@ -125,6 +125,7 @@ ir_assignment *assign(deref lhs, operand rhs, int writemask);
ir_expression *expr(ir_expression_operation op, operand a);
ir_expression *expr(ir_expression_operation op, operand a, operand b);
+ir_expression *expr(ir_expression_operation op, operand a, operand b, operand c);
ir_expression *add(operand a, operand b);
ir_expression *sub(operand a, operand b);
ir_expression *mul(operand a, operand b);