Landscape does not show on android(ES2)

Development World Creation
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1

Everythine is fine except the landscape disappeared on my android device.

I have tested for UE 4.9 and 4.10 and they have the same problem.

CPU

Quad-core 1.6 GHz Cortex-A15 & quad-core 1.2 GHz Cortex-A7

GPU

PowerVR SGX544MP3

texture size:256*256

74797-layer_blend.png

Reference

  • [Materials for Mobile Platforms][2]
  • [Landscape Materials][3]
  • [Mobile LandScape Issue][4]
  • [Layered Landscape material on Mobile][5]