message: Add marker region around pick vertex
diff: @@ -762,6 +762,8 @@ uint32_t VulkanReplay::PickVertex(uint32_t eventId, int32_t w, int32_t h, const
  VkDevice dev = m_pDriver->GetDev();
  const VkLayerDispatchTable *vt = ObjDisp(dev);
  + VkMarkerRegion::Begin(StringFormat::Fmt("VulkanReplay::PickVertex(%u, %u)", x, y));
  +
  Matrix4f projMat = Matrix4f::Perspective(90.0f, 0.1f, 100000.0f, float(w) / float(h));
  Matrix4f camMat = cfg.cam ? ((Camera *)cfg.cam)->GetMatrix() : Matrix4f::Identity();
  @@ -1170,6 +1172,10 @@ uint32_t VulkanReplay::PickVertex(uint32_t eventId, int32_t w, int32_t h, const
  m_VertexPick.ResultReadback.Unmap();
  + VkMarkerRegion::Set(StringFormat::Fmt("Result is %u", ret));
  +
  + VkMarkerRegion::End();
  +
  return ret;
  }
  