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Won't Fix

Votes

0

Found in

2018.4.4f1

Issue ID

1170773

Regression

Yes

[Android] WorldSpaceViewDir produces zero values when distant from camera on Mali-400

Mobile

-

To reproduce:
1. Open attached project "WaterShaderTest_Unity.zip"
2. Build and Run on Android
3. While in application, observe the screen

Result: WorldSpaceViewDir produces zeroes when distant from camera (black area on ViewDir texture map)

Reproduced in: 2018.4.0f1, 2018.4.5f1, 2019.1.12f1, 2019.2.0b10, 2019.3.0a11

Reproduced on devices:
VLNQA00126, Samsung Galaxy S5 mini (SM-G800F), Android 6.0.1, CPU: Exynos 3 Quad 3470, GPU: Mali-400 MP
VLNQA00110, Samsung Galaxy Note2 (GT-N7100), Android 4.4.2, CPU: Exynos 4 Quad 4412, GPU: Mali-400 MP

Not reproduced on devices:
VLNQA00270, Samsung Galaxy S10e (SM-G970F), Android 9, CPU: Exynos 9 9820, GPU: Mali-G76
VLNQA00020, Samsung Galaxy S3 (SGH-T999), Android 4.3, CPU: Snapdragon S4 Plus MSM8960, GPU: Adreno (TM) 225
VLNQA00093, Samsung Galaxy S6 edge (SM-G925F), Android 7.0, CPU: Exynos 7 Octa 7420, GPU: Mali-T760
VLNQA00006, Samsung Galaxy S7 (SM-G930F), Android 8.0.0, CPU: Exynos 8 Octa 8890, GPU: Mali-T880

Note1: not tested with Vulkan as OS versions of the Mali-400 devices are not compatible
Note2: 2017.4 could not be tested due to broken prefabs

  1. Resolution Note (2020.1.X):

    Won't fix: Affects only Mali-400 GPU, fix would require complex changes in the shader compiler that could degrade shader performance on all other GLES2 devices

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