glsl: initialize precision when adding per vertex record fields

Fixes issues with tessellation builtin variables since precision was
introduced to IR with commit f84bc57d7dc02fceb805803131426c791eadeff9.

Signed-off-by: Tapani Pälli <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/glsl/builtin_variables.cpp b/src/glsl/builtin_variables.cpp
index b06c1bc5c12..b927d506faf 100644
--- a/src/glsl/builtin_variables.cpp
+++ b/src/glsl/builtin_variables.cpp
@@ -327,6 +327,7 @@ per_vertex_accumulator::add_field(int slot, const glsl_type *type,
    this->fields[this->num_fields].centroid = 0;
    this->fields[this->num_fields].sample = 0;
    this->fields[this->num_fields].patch = 0;
+   this->fields[this->num_fields].precision = GLSL_PRECISION_NONE;
    this->num_fields++;
 }