check variable_storage() found the requested fs_reg.
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikk...@gmail.com>
---
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index d2dc5fa..b396ad2 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -152,6 +152,12 @@ void
fs_visitor::visit(ir_dereference_variable *ir)
{
fs_reg *reg = variable_storage(ir->var);
+
+ if (!reg) {
+ fail("Failed to find variable storage for %s\n", ir->var->name);
+ this->result = fs_reg(reg_null_d);
+ return;
+ }
this->result = *reg;
}
--
1.8.1.2
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