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Public Types |
enum | ComparisonFunction {
NEVER = GL_NEVER,
LESS = GL_LESS,
EQUAL = GL_EQUAL,
LEQUAL = GL_LEQUAL,
GREATER = GL_GREATER,
NOTEQUAL = GL_NOTEQUAL,
GEQUAL = GL_GEQUAL,
ALWAYS = GL_ALWAYS
} |
Public Member Functions |
| AlphaFunc () |
| AlphaFunc (ComparisonFunction func, float ref) |
| AlphaFunc (const AlphaFunc &af, const CopyOp ©op=CopyOp::SHALLOW_COPY) |
| Copy constructor using CopyOp to manage deep vs shallow copy.
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| META_StateAttribute (osg, AlphaFunc, ALPHAFUNC) |
virtual int | compare (const StateAttribute &sa) const |
| Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.
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virtual bool | getModeUsage (ModeUsage &usage) const |
| Return the modes associated with this StateAttribute.
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void | setFunction (ComparisonFunction func, float ref) |
void | setFunction (ComparisonFunction func) |
ComparisonFunction | getFunction () const |
void | setReferenceValue (float value) |
float | getReferenceValue () const |
virtual void | apply (State &state) const |
| apply the OpenGL state attributes.
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Protected Member Functions |
virtual | ~AlphaFunc () |
Protected Attributes |
ComparisonFunction | _comparisonFunc |
float | _referenceValue |