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By Design

Votes

1

Found in

2019.3

2019.3.3f1

2020.2

Issue ID

1238124

Regression

No

[iOS] Setting Store Action DontCare for MSAA RT, sets Store Action to storeAndMultisampleResolve instead

Metal

-

How to reproduce:
1. Open the attached 'StoreActionDontCareWithMSAA.zip' project
2. Build for iOS and open the Xcode project
3. Select Menu bar-> Product-> Scheme-> Edit Scheme
4. Set GPU Frame Capture to Metal and Metal API Validation to Enabled
5. Deploy the Xcode project to the iOS device
6. Press 'Capture GPU frame' button
7. In sidebar's Memory panel navigate CommandBuffer > Camera Render > Drawing > CommandBuffer.AfterSkybox
8. Select CommandBuffer.AfterSkybox and observe Store Action in the graph

Expected result: Store Action is set to DontCare
Actual result: Store Action is set to storeAndMultisampleResolve

Reproducible with: 2019.3.14f1, 2020.1.0b9, 2020.2.0a11
Couldn't test: 2018.4.23f1 CommandBuffer.AfterSkybox is not displayed

Reproducible with:
- iPhone 8 (iOS 12.0)
- iPhone XR (iOS 13.4.1)

Note: Screenshot of the result attached in Edit

  1. Resolution Note (2020.2.X):

    This is currently by design of the API

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