http://msdn.microsoft.com/en-us/library/windows/desktop/ff471376(v=vs.85).aspx
http://gamedev.stackexchange.com/questions/28647/cg-cgfx-to-glsl
CullFaceEnable(Ture False) &&CullFace (Back Front) D3D9的這兩個引數
對應 CullMode 這個一個D3D11 (NONE FRONT BACK)
Rasterizer state
d3d9 d3d11
DepthMask (ture false) DepthWriteMask(_zero/off _all/on)
StencilOp = int3(sfail, dpfail, dppass)
set reference
http://msdn.microsoft.com/en-us/library/windows/desktop/ff476463(v=vs.85).aspx
void OMSetDepthStencilState( [in] ID3D11DepthStencilState *pDepthStencilState, [in] UINT StencilRef );
http://msdn.microsoft.com/en-us/library/windows/desktop/ff476122(v=vs.85).aspx
ColorMask(r,g,b,a)
http://http.developer.nvidia.com/Cg/ColorMask.html
http://msdn.microsoft.com/en-us/library/windows/desktop/ff476462(v=vs.85).aspx
setblendstate(blendstate,blendfactor,samplemask)
http://http.developer.nvidia.com/Cg/StencilOp.html