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Gyrth McMulin

Model editor freaks out

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No - which is not much of a supprise as it seems to be a windows issue with 13.12 ( the "linux" google picks up on is from the page tree in the side bar )

 

blink.png Sorry ... I went through some of the links, but missed to check for OS, you are right. That was windows. Well, I hope this gets solved.

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3.4 is scheduled for release Monday, if AMD releases the driver update before then. I'm not going to make any changes until after the 3.4 launch because I don't want to destabilize anything, but I will investigate this in depth afterwards. Bone data is stored in a uniform buffer and obviously that isn't working here, for some reason. Will also be curious to see what Nvidia says about it. Even if it's not a vendor-specific bug they might know some little nuance of the Linux graphics pipeline that explains it.

 

Another thing I plan to try post-3.4 is creating FBOs for each context. FBOs do not get shared across contexts (big mistake in the design of OpenGL, IMO) and so the engine constantly has to switch back to a base/default hidden context whenever render-to-texture is utilized. I suspect eliminating that will give us a pretty big speed boost on Linux and Windows. I did something similar with occlusion queries, which also do not get shared across contexts, and the results were good.

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The problem has to do with the bone data stored in the uniform buffer that is sent to the shader. I thought I had a solution to this. It turns out, my solution works one way in debug mode and another way in release mode. This is definitely not a problem with the Leadwerks code, but at this point I am just trying to find a random workaround to prevent it from happening.

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Yea I started working on the modeling portion of my project and decided to install Ubuntu alongside my native linux O/S to check if the editor ran any better. The model editor was completely broken on my native O/S. Having the issues described in this thread on Ubuntu.

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At this point in time I don't have any way to immediately debug this or figure out what is happening. The problem ONLY occurs in release mode, and I have tried everything I can think of.

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