fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-03-02 19:20:32 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

glsl/ir_builder: Add a generic constructor for unary expressions.

Browse source 
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@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kenneth Graunke 2012-07-08 22:27:25 -07:00
parent b656df990f
commit 0bb3d4ba54
2 changed files with 9 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/glsl/ir_builder.cpp
View file

@ -142,6 +142,14 @@ swizzle_xyzw(operand a)
return swizzle(a, SWIZZLE_XYZW, 4);
}
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)
{

1
src/glsl/ir_builder.h
View file

@ -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);