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Multiple draw calls for the identical meshes when GPU Instancing is enabled

Graphics - General



Priority: 2Necessary for shipping a final release


Severity: 3Workaround is possible

How to reproduce:
1. Open attached Unity project "GPUInstancingBug"
2. Load scene "GPUInstancingBug"
3. Generate Lighting
4. Open Window --> Frame Debugger
5. Play the scene
6. Enable Frame Debugger

Expected Result: Instantiated draw calls for multiple copies of the same Mesh.
Actual Result: Separate draw calls without GPU Instancing for multiple copies of the same Mesh.

Regression first introduced in: 5.5.0b9

Reproducible with: 2017.2.0a3, 2017.1.b9, 5.6.1p4, 5.5.4f1, 5.5.0b9
Not reproducible with: 5.5.0a6, 5.5.0b8

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