i965/vs: Fix ir_swizzle handling.

I decided to refactor it a bit in adapting ir_to_mesa.cpp code, and
mangled it.  Fixes glsl-vs-cross-2.

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 3e62c9e..4f2a201 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -1109,7 +1109,7 @@ vec4_visitor::visit(ir_swizzle *ir)
    src = this->result;
    assert(src.file != BAD_FILE);
 
-   if (i < ir->type->vector_elements) {
+   for (i = 0; i < ir->type->vector_elements; i++) {
       switch (i) {
       case 0:
         swizzle[i] = BRW_GET_SWZ(src.swizzle, ir->mask.x);