CUDA

Hi

I have been struggling a little to get my head around the implementation of a CUDA Version of the SubdivideEdges plugin - it just doesn't want to sort itself out in my head.

To take a little break, I decided to implement another image processing plugins - Gamma - and have included tests and benchmarks.  I have also generated graphs sumarising the bitmap plugin benchmark results (see the results for bitmap.modifier.BenchmarkComparison on the dashboard).

Regarding the edge subdivision plugin, I think that the problem is that I am trying too hard to stick to the current division of tasks (the classes in the detail namespace) and I should instead rewrite the entire plugin in cuda.  The one problem I can see with this is that the resultant mesh may not have identical indices although the structures could be identical.  How much of a problem is this.  How is the difference between two meshes calculated?  I assume from the k3d::mesh_diff output that each record is compared element-wise?

I look forward to your comments and suggestions.

Evan

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