Mesa (master): glsl/ir_builder: Add a generic constructor for unary expressions.
Kenneth Graunke
kwg at kemper.freedesktop.org
Thu Jul 12 17:19:34 UTC 2012
Module: Mesa
Branch: master
Commit: 0bb3d4ba54f98f4d45abe598dabc905f08055cd5
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=0bb3d4ba54f98f4d45abe598dabc905f08055cd5
Author: Kenneth Graunke <kenneth at whitecape.org>
Date: Sun Jul 8 22:27:25 2012 -0700
glsl/ir_builder: Add a generic constructor for unary expressions.
I needed to compute logs and square roots in a patch I was working on,
and wanted to use the convenient interface. We already have a similar
constructor for binops; adding one for unops seems reasonable.
Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Eric Anholt <eric at anholt.net>
---
src/glsl/ir_builder.cpp | 8 ++++++++
src/glsl/ir_builder.h | 1 +
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/src/glsl/ir_builder.cpp b/src/glsl/ir_builder.cpp
index 9a16c90..fc6ee96 100644
--- a/src/glsl/ir_builder.cpp
+++ b/src/glsl/ir_builder.cpp
@@ -143,6 +143,14 @@ swizzle_xyzw(operand a)
}
ir_expression *
+expr(ir_expression_operation op, operand a)
+{
+ void *mem_ctx = ralloc_parent(a.val);
+
+ return new(mem_ctx) ir_expression(op, a.val);
+}
+
+ir_expression *
expr(ir_expression_operation op, operand a, operand b)
{
void *mem_ctx = ralloc_parent(a.val);
diff --git a/src/glsl/ir_builder.h b/src/glsl/ir_builder.h
index 0ebcbab..410b08c 100644
--- a/src/glsl/ir_builder.h
+++ b/src/glsl/ir_builder.h
@@ -83,6 +83,7 @@ public:
ir_assignment *assign(deref lhs, operand rhs);
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 *add(operand a, operand b);
ir_expression *sub(operand a, operand b);
More information about the mesa-commit
mailing list