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Won't Fix
Votes
0
Found in
2017.4
2018.4.9f1
2020.2
Issue ID
1250457
Regression
No
[WebGL] Texture is missing when Graphics.Blit() method is called for a second time in WebGL build
How to reproduce:
1. Open user's attached 'Project.zip' project
2. Open 'SampleScene' Scene
3. Enter Play Mode
4. Observe that three textures appear in Game View
5. Navigate File > Build settings and change platform to WebGL
6. Press Build and Run
Expected result: Three textures appear
Actual result: Two textures appear
Reproducible with: 2017.4.40f1, 2018.4.23f1, 2019.3.15f1, 2020.1.0b10, 2020.2.0a12
Notes:
- Screenshots of the issue attached in Edit
- Warning is thrown in the browser console: "GL ERROR :GL_INVALID_OPERATION : glDrawElements: Source and destination textures of the draw are the same."
- Not reproducible on macOS Standalone, iOS (iPad Air 2 iOS 11.0.3, iPhone XR iOS 13.4.1)
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Resolution Note (2020.2.X):
This is a "won't fix" as the issue is user usage of the API - the source and destination textures can not be the same and expect reasonable output on any system.