Zero initialize some members to fix GCC 9 errors
Note there is no actually bug here; this is just GCC being
conservative and -Werror forcing the issue ...
@@ -633,6 +633,13 @@ void compute_averages_and_variances(
// Perform block-wise averages-and-variances calculations across the image
struct pixel_region_variance_args arg;
+
+ // Initialize fields which are not populated until later
+ arg.size = int3(0, 0, 0);
+ arg.src_offset = int3(0, 0, 0);
+ arg.dst_offset = int3(0, 0, 0);
+ arg.work_memory = nullptr;
+
arg.img = img;
arg.rgb_power = rgb_power;
arg.alpha_power = alpha_power;
