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Oleg Endo ae6fbc9c60 Improve 3D viewer rendering performance 
* Use GL vertex buffers and index buffers for 3D model rendering
* Use material or average vertex color for bounding boxes instead of red
* Reinstate bounding box rendering with GL vertex/index buffers
* Use compact vertex/index data representation
  - 8-bit normals
  - 8-bit colors
  - 16-bit or 32-bit indices, depending on model size

This should improve performance a bit on lower end GPUs with less memory
and bandwidth.

Fixes #4112
 		2020-04-17 16:10:04 +00:00
..
c3d_model_viewer.cpp Improve 3D viewer rendering performance 2020-04-17 16:10:04 +00:00
c3d_model_viewer.h Create HIDPI_GL_CANVAS wrapper for transparent wxGLCanvas HiDPI/Retina support. Enable HiDPI/Retina for 3d-viewer. 2017-12-18 16:26:01 +01:00