Shadows disappear when using Pro Image Effects or HDR

Question

Whenever I try using HDR or the post-processing image effects in Unity Pro, my shadows completely disappear. This is using the latest stable release of Unity 4.6. My computer and GPU are on the higher-end, so it's not likely a hardware problem. I've gone through numerous topics and tried their suggestions to no avail.

Here's what I've tried so far:

Increase/Reduce the near and far clipping planes of the camera
Turn all graphics settings very high/low
Try using Vertex Lit instead of Deferred Rendering
Enable/Disable/Tweak shadow types in both the lights and in-game meshes
Reduce shadow distance greatly
Try the scene with/without baked lightmaps
Scale up/down the scene
Run the scene in-editor and in Desktop builds

Answer 1

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Answer by entropy phi · Dec 10, 2014 at 09:10 AM

I've solved it. Disabling Direct3D 11 in the Player Settings got everything working again. Turns out that having that option on forced Unity to use my Integrated Graphics, even when I set my GPU as the default for Unity. When the VRAM was exceeded, shadows were dropped. As expected, my GPU doesn't have this same problem and renders everything correctly.

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Answer 2

Answer by cmkbim · Jan 02, 2015 at 08:44 PM

When I do this on my Microsoft Surface Pro 3, and create a web player build it completely distorts all of the graphics including the UI objects. So I have to go back to Direct X 11 otherwise it won't show my game correctly in the Web Player build.

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Shadows disappear when using Pro Image Effects or HDR

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