OpenGL demos taking advantage of Shader Model 4

Naixela released two demos “geometry shader painterly rendering” and “geometry shader tessellation” taking advantage of Shader Model 4 (inclusive source code).

- Geometry Shader Painterly Rendering Demo
Renders a scene into color, position, and normal textures, and then outputs the scene as a large number of brush strokes covering the screen using the geometry shader.

- Geometry Shader Tessellation Demo
Tessellates a heightfield based on distance to the viewer using the geometry shader.


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