public static Boolean TryUpdate(UInt32 face, ref CachedStencilOp current, CachedStencilOp desired)
{
if (current.sfail == desired.sfail && current.dpfail == desired.dpfail && current.dppass == desired.dppass)
{
return(false);
}
current = desired;
gl.StencilOpSeparate(face, desired.sfail, desired.dpfail, desired.dppass);
gl.ThrowIfError();
return(true);
}
public static Boolean TryUpdateCombined(ref CachedStencilOp front, ref CachedStencilOp back, CachedStencilOp desired)
{
if (front.sfail == back.sfail && back.sfail == desired.sfail &&
front.dpfail == back.dpfail && back.dpfail == desired.dpfail &&
front.dppass == back.dppass && back.dppass == desired.dppass)
{
return(false);
}
front = desired;
back = desired;
gl.StencilOp(desired.sfail, desired.dpfail, desired.dppass);
gl.ThrowIfError();
return(true);
}