uploadVertexData method
      
void
uploadVertexData(})
      
     
    
    
Implementation
void uploadVertexData(
  ByteData vertices,
  int vertexCount,
  ByteData? indices, {
  gpu.IndexType indexType = gpu.IndexType.int16,
}) {
  gpu.DeviceBuffer deviceBuffer = gpu.gpuContext.createDeviceBuffer(
    gpu.StorageMode.hostVisible,
    indices == null
        ? vertices.lengthInBytes
        : vertices.lengthInBytes + indices.lengthInBytes,
  );
  deviceBuffer.overwrite(vertices, destinationOffsetInBytes: 0);
  setVertices(
    gpu.BufferView(
      deviceBuffer,
      offsetInBytes: 0,
      lengthInBytes: vertices.lengthInBytes,
    ),
    vertexCount,
  );
  if (indices != null) {
    deviceBuffer.overwrite(
      indices,
      destinationOffsetInBytes: vertices.lengthInBytes,
    );
    setIndices(
      gpu.BufferView(
        deviceBuffer,
        offsetInBytes: vertices.lengthInBytes,
        lengthInBytes: indices.lengthInBytes,
      ),
      indexType,
    );
  }
}