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Won't Fix
Votes
0
Found in
2017.4.0f1
2018.4.0f1
2018.4.3f1
2019.2.0a1
2019.3.0a1
2020.1.0a1
Issue ID
1180277
Regression
No
[iOS][Metal] Unable to fully render Render Textures with Anti-aliasing on A7 devices
To reproduce:
1. Open attached project "RenderTexture_MSAA_IssueSTRIPED.zip"
2. Open "SampleScene.unity" scene
3. Build for iOS
4. Deploy the Xcode project to an iOS device
5. Observe on the right side under "BROKEN" there are missing Render Textures
Expected: full Render Texture is rendered
Actual: Only 1/4 of the Render Texture is rendered on A7 devices
Reproduced on:
2017.4.0f1 2017.4.32f1 2018.4.8f1 2019.1.14f1 2019.2.3f1 2019.3.0b1 2020.1.0a1
Devices reproduced on:
iPad Air iOS 11.0
iPad Mini 2 iOS 11.4.1
iPhone 5S iOS 9.3.3
Devices not reproducible on:
iPad Pro 12'9 2nd Gen iOS 11.2.1
Notes:
- Setting Anti-aliasing in BrokenRT.renderTexture to none fixes the issue
- The reproduces with Anti-aliasing samples set to 2, 4 and 8
- Doesn't reproduce on OpenGLES3 and OpenGLES2
- See attached images of the issue (norepro.png, repro.png)
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Resolution Note (2020.1.X):
This particular case has been investigated thoroughly and we have decided, in the interests of protecting the stability and features of Unity for users that rely upon the affected versions, to not address this fix for the time being. We understand that this will cause problems for some users, and so may address in a future version.