glsl: Make a little tracking class for emitting IR lists.

This lets us significantly shorten p->instructions->push_tail(ir), and
will be used in a few more places.

Reviewed-by: Kenneth Graunke <[email protected]>

2 files changed, 14 insertions, 0 deletions

diff --git a/src/glsl/ir_builder.cpp b/src/glsl/ir_builder.cpp
index 29cc9bc851f..98ac3c100a1 100644
--- a/src/glsl/ir_builder.cpp
+++ b/src/glsl/ir_builder.cpp
@@ -28,6 +28,12 @@ using namespace ir_builder;
 
 namespace ir_builder {
 
+void
+ir_factory::emit(ir_instruction *ir)
+{
+   instructions->push_tail(ir);
+}
+
 ir_swizzle *
 swizzle(operand a, int swizzle, int components)
 {
diff --git a/src/glsl/ir_builder.h b/src/glsl/ir_builder.h
index d2c729abdbc..350f9a33a81 100644
--- a/src/glsl/ir_builder.h
+++ b/src/glsl/ir_builder.h
@@ -50,6 +50,14 @@ public:
    ir_rvalue *val;
 };
 
+class ir_factory {
+public:
+   void emit(ir_instruction *ir);
+
+   exec_list *instructions;
+   void *mem_ctx;
+};
+
 ir_expression *expr(ir_expression_operation op, operand a, operand b);
 ir_expression *add(operand a, operand b);
 ir_expression *sub(operand a, operand b);