Use OGLPlus low profile to avoid threading problem.
Considering remove OGLPlus and write a light-weight OpenGL wrapper.
Remove OGLPlus.
Fix a projection bug in the 'frame-test' case.
Depth frame works with threaded link.
Threaded sort-first!
Render with vertex buffer object.
Separate display unit.
Sort-last is coming!
Sort-last rendering works.
Sort-first/last in one test case with performance report.
Add Variable and Dispatcher.
GLFBORenderer support direct screen dispalay.
Rotating demo.
New compose processor.
Pure sort-first demo.
Simple object renderer.
Remove the old GLFrameCombiner class.
New sort-last demo.
Texture format changed.
Add shadow map generator.
Two classes (LinkBlock, ThreadBlock) to manage links and processors.
Remove clear() from TypeSpec.
Shadow demo works.
Use orhto shadow mapping.

Multiple light sources is not supported yet.