PBR shader sources of Marmoset Toolbag 2, Substance Player and Unity5
Derivative Maps
- "Derivative Maps" CodeItNow
- "Bump Mapping w/o Tangent Space" UE4 document
Terrain Texture Splatting
- Texture splatting
- "Advanced Terrain Texture Splatting" Gamasutra
- Terrain Texture Compositing by Blending in the Frame-Buffer
- "Quadtree Displacement Mapping with Height Blending" GDCE 2009