chromium/third_party/mediapipe/src/mediapipe/graphs/tracking/subgraphs/renderer_gpu.pbtxt

# MediaPipe object tracking rendering subgraph.

type: "RendererSubgraphGpu"

input_stream: "IMAGE:input_image"
input_stream: "DETECTIONS:detections"
output_stream: "IMAGE:output_image"

# Converts the detections to drawing primitives for annotation overlay.
node {
  calculator: "DetectionsToRenderDataCalculator"
  input_stream: "DETECTIONS:detections"
  output_stream: "RENDER_DATA:detections_render_data"
  node_options: {
    [type.googleapis.com/mediapipe.DetectionsToRenderDataCalculatorOptions] {
      thickness: 4.0
      color { r: 255 g: 0 b: 0 }
      render_detection_id: true
    }
  }
}

# Draws annotations and overlays them on top of the input images.
node {
  calculator: "AnnotationOverlayCalculator"
  input_stream: "IMAGE_GPU:input_image"
  input_stream: "detections_render_data"
  output_stream: "IMAGE_GPU:output_image"
}