How to reproduce:
1. Open the attached project or download from https://github.com/ernestasKupciunas/Winter/tree/Winter_Demo
2. Make sure Volume component is enabled ("PPtest" Game object in "Winter_Demo scene")
3. Build & Run "Winter Demo" scene on device

Expected result: No visual issues
Actual result: Nothing is rendered

Reproducible: 2021.2.0a12

Reproducible on:
VLNQA00104, Lge Nexus 5 (Nexus 5), Android 6.0.1, CPU: Snapdragon 800 MSM8974, GPU: Adreno (TM) 330
VLNQA00111, Samsung Galaxy J5(2016) (SM-J510FN), Android 7.1.1, CPU: Snapdragon 410 MSM8916, GPU: Adreno (TM) 306

Not reproducible:
VLNQA00340, Samsung Galaxy Note20 Ultra 5G (SM-N986B), Android 10, CPU: Exynos 990, GPU: Mali-G77
VLNQA00269, Samsung Galaxy S10e (SM-G970F), Android 10, CPU: Exynos 9 9820, GPU: Mali-G76
VLNQA00103, Samsung Galaxy Note8 (SM-N950F), Android 7.1.1, CPU: Exynos 9 Octa 8895, GPU: Mali-G71
VLNQA00340, Samsung Galaxy Note20 Ultra 5G (SM-N986B), Android 10, CPU: Exynos 990, GPU: Mali-G77
VLNQA00269, Samsung Galaxy S10e (SM-G970F), Android 10, CPU: Exynos 9 9820, GPU: Mali-G76
VLNQA00103, Samsung Galaxy Note8 (SM-N950F), Android 7.1.1, CPU: Exynos 9 Octa 8895, GPU: Mali-G71
VLNQA00336, Huawei Y6p, CPU: MediaTek MT6762R, GPU: PowerVR Rogue GE8320, Android: 10

Notes:
- Reproducible with Linear and Gamma Color Spaces