message: Fix Metal crash on Catalina
diff: @@ -98,8 +98,8 @@ fragment {
  return -projection[3].z / min(preventDiv0, z + projection[2].z);
  }
  - highp float sampleDepthLinear(const vec2 uv, float level) {
  - return linearizeDepth(textureLod(materialParams_depth, uv, level).r);
  + highp float sampleDepthLinear(const vec2 uv, float lod) {
  + return linearizeDepth(textureLod(materialParams_depth, uv, lod).r);
  }
  highp vec3 computeViewSpacePositionFromDepth(vec2 p, highp float linearDepth) {
  