*Steps to reproduce:*

1. Download attached project and open in Unity

2. Open scene Winter_Demo

3. In the Hierarchy, select the "PPtest" gameObject

4. In the Inspector, enable the Depth of Field PP effect

Observe: black screen and errors in the Console:

Render Graph execution error at pass 'Depth of Field - Compute CoC' (22)
InvalidOperationException: Trying to use a texture (_CameraDepthTexture) that was already released or not yet created. Make sure you declare it for reading in your pass or you don't read it before it's been written to at least once.
Render Graph Execution error

*Actual results:* Black Game view and errors in the Console

*Expected results:* No black Game view, no errors in the Console

*Reproduced with:*
2023.3.0b8, 2023.3.0b10, 6000.0.0b14

*Not reproduced with:*
2023.3.0a8, 2023.3.0a19, 2023.3.0b7

*Tested on (OS):* 

MacBook Pro (16-inch, 2021), CPU: Apple M1 Max, Memory: 64 GB, macOS: Ventura 13.3.1 (a) (22E772610a)
Windows 11 Pro; Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (36 CPUs), ~3.0GHz; NVIDIA GeForce RTX 3080; 128 GB RAM

*Notes:*
* Reproducible only when using DX12