message: make sure the near plane for spot shadows is not negative
diff: @@ -439,7 +439,8 @@ void ShadowMap::computeShadowCameraSpot(float3 const& position, float3 const& di
  // find decent near/far
  // TODO: we can do much better by rejecting objects that don't intersect our frustum
  ShadowMap::updateSceneInfo(Mv, scene, sceneInfo);
  - float nearPlane = -sceneInfo.lsNearFar.x;
  + // FIXME: we need a configuration minimum near plane (for now hardcoded to 1cm)
  + float nearPlane = std::max(0.01f, -sceneInfo.lsNearFar.x);
  float farPlane = std::min(radius, -sceneInfo.lsNearFar.y);
  float outerConeAngleDegrees = outerConeAngle * f::RAD_TO_DEG;
  