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-rw-r--r--src/glsl/loop_analysis.h9
1 files changed, 2 insertions, 7 deletions
diff --git a/src/glsl/loop_analysis.h b/src/glsl/loop_analysis.h
index 295dc797c09..31be4f3cfa0 100644
--- a/src/glsl/loop_analysis.h
+++ b/src/glsl/loop_analysis.h
@@ -205,10 +205,10 @@ public:
inline bool is_loop_constant() const
{
const bool is_const = (this->num_assignments == 0)
- || ((this->num_assignments == 1)
+ || (((this->num_assignments == 1)
&& !this->conditional_or_nested_assignment
&& !this->read_before_write
- && this->rhs_clean);
+ && this->rhs_clean) || this->var->data.read_only);
/* If the RHS of *the* assignment is clean, then there must be exactly
* one assignment of the variable.
@@ -216,11 +216,6 @@ public:
assert((this->rhs_clean && (this->num_assignments == 1))
|| !this->rhs_clean);
- /* Variables that are marked read-only *MUST* be loop constant.
- */
- assert(!this->var->data.read_only
- || (this->var->data.read_only && is_const));
-
return is_const;
}