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5b26c36008
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OpenGL: edge overlay shaders
As seen at #bcon16. These were produced quickly and probably need further work.
SIMPLE variant draws triangle mesh edges. Based on this research:
http://www2.imm.dtu.dk/pubdb/views/edoc_download.php/4884/pdf/imm4884.pdf
http://developer.download.nvidia.com/SDK/10/direct3d/Source/SolidWireframe/Doc/SolidWireframe.pdf
Non-SIMPLE variant can adjust thickness per edge. This can be used to draw only some edges, or accentuate some edges. Given the right inputs this is a general n-gon perimeter shader.
Part of T49165
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2016-11-05 19:26:13 +01:00 |
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