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Won't Fix
Votes
0
Found in [Package]
Issue ID
1089064
Regression
No
Camera.previousViewProjectionMatrix does not update when using any SRP settings
To reproduce:
1. Open attached project
2. Make sure any SRP is assigned in Graphics settings
3. Enter Play mode
4. Move the camera, press the GUI button every time after moving
Expected: previousViewProjectionMatrix returns last frame's projection matrix
Actual: previousViewProjectionMatrix returns only first frame's projection matrix (doesn't get updated)
Reproduced in: 207.4.13f1, 2018.1.9f2, 2018.2.13f1, 2018.3.0b6, 2019.1.0a5
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Resolution Note:
HDRP setup all shaders uniform at frequency other than objects in C# (Per frame, per camera etc...) and HDRP doesn't use camera matrix from builtin Unity.
In HDRP to access previous camera matrix use HDCamera.prevViewProjMatrix, in hlsl: _PrevViewProjMatrix.