Signed-off-by: Topi Pohjolainen <topi.pohjolai...@intel.com>
---
src/compiler/glsl/lower_mediump.cpp | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/src/compiler/glsl/lower_mediump.cpp
b/src/compiler/glsl/lower_mediump.cpp
index bae18c9bfb..73b8aa577c 100644
--- a/src/compiler/glsl/lower_mediump.cpp
+++ b/src/compiler/glsl/lower_mediump.cpp
@@ -184,6 +184,17 @@ lower_mediump_visitor::can_be_lowered(const ir_variable
*var) const
var->data.how_declared == ir_var_declared_implicitly)
return true;
+ /* Such as builtins, temporary variables don't have have precision
+ * qualifiers either. Lower them by default.
+ *
+ * TODO: Surrounding expressions should really be examined to tell if
+ * full precision needed. Moreover, these can be referred from
+ * multiple locations. If any requires full precision, then all
+ * expressions involved would need to operate on full precision?
+ */
+ if (var->data.mode == ir_var_temporary)
+ return true;
+
return var->data.precision == ast_precision_low ||
var->data.precision == ast_precision_medium;
}
--
2.11.0
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