glsl: add texture gather changes

V2 [Chris Forbes]:
   - Add new pattern, fixup parameter reading.

V3: Rebase onto new builtins machinery

Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/glsl/ir_hv_accept.cpp b/src/glsl/ir_hv_accept.cpp
index 76a607d17cb..3877e721c24 100644
--- a/src/glsl/ir_hv_accept.cpp
+++ b/src/glsl/ir_hv_accept.cpp
@@ -214,6 +214,7 @@ ir_texture::accept(ir_hierarchical_visitor *v)
    switch (this->op) {
    case ir_tex:
    case ir_lod:
+   case ir_tg4:
       break;
    case ir_txb:
       s = this->lod_info.bias->accept(v);