Mesa (master): i965/fs: Check variable_storage return value in fs_visitor: :visit
Ville Syrjala
vsyrjala at kemper.freedesktop.org
Thu Jun 26 12:47:13 UTC 2014
Module: Mesa
Branch: master
Commit: db081b497e42556f9f6d771de104bea948c925b5
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=db081b497e42556f9f6d771de104bea948c925b5
Author: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
Date: Mon Apr 7 14:37:42 2014 +0300
i965/fs: Check variable_storage return value in fs_visitor::visit
check variable_storage() found the requested fs_reg.
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick at intel.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 6352739..654f5fe 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -155,6 +155,12 @@ 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;
}
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