message: Fix contact shadow GLSL compilation error
diff: @@ -289,7 +289,7 @@ float screenSpaceContactShadow(vec3 lightDirection) {
  float t = dt * dither + dt;
  highp vec3 ray;
  - for (uint i = 0 ; i < kStepCount ; i++, t += dt) {
  + for (uint i = 0u ; i < kStepCount ; i++, t += dt) {
  ray = rayData.uvRayStart + rayData.uvRay * t;
  float z = textureLod(light_structure, uvToRenderTargetUV(ray.xy), 0.0).r;
  float dz = ray.z - z;
  