glsl: set mask via initialisation list rather than in constructor body

Potentially more efficient as it may avoid the struct being initialised
twice.

Also add var to the initialisation list while we are here.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>

diff --git a/src/compiler/glsl/ir.cpp b/src/compiler/glsl/ir.cpp
index 123de99005c442b7f69840e79f0e876968b86c90..2d0c4c051abb118810d87a8b138b670fa29b323d 100644 (file)
--- a/src/compiler/glsl/ir.cpp
+++ b/src/compiler/glsl/ir.cpp
@@ -1590,10 +1590,8 @@ ir_swizzle::ir_swizzle(ir_rvalue *val, const unsigned *comp,
 }
 
 ir_swizzle::ir_swizzle(ir_rvalue *val, ir_swizzle_mask mask)
-   : ir_rvalue(ir_type_swizzle)
+   : ir_rvalue(ir_type_swizzle), mask(mask), val(val)
 {
-   this->val = val;
-   this->mask = mask;
    this->type = glsl_type::get_instance(val->type->base_type,
                                        mask.num_components, 1);
 }