diff options
Diffstat (limited to 'src/glsl/opt_algebraic.cpp')
-rw-r--r-- | src/glsl/opt_algebraic.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index 778638cf261..5c49a785ccd 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -571,7 +571,9 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) } else if (is_vec_zero(op_const[0])) { return mul(ir->operands[1], ir->operands[2]); } else if (is_vec_zero(op_const[1])) { - return add(ir->operands[0], neg(mul(ir->operands[0], ir->operands[2]))); + unsigned op2_components = ir->operands[2]->type->vector_elements; + ir_constant *one = new(mem_ctx) ir_constant(1.0f, op2_components); + return mul(ir->operands[0], add(one, neg(ir->operands[2]))); } break; |