glsl::AlphaFilter_glsl Class Reference

Shader program. More...

Public Member Functions
float	computeCoverage (int alphaHintX, float alpha)
	Computes a coverage value from a raw alpha value. More...

Detailed Description

Shader program.

Member Function Documentation

computeCoverage()

float glsl::AlphaFilter_glsl::computeCoverage ( int  alphaHintX, float  alpha  )

inline

Computes a coverage value from a raw alpha value.

Parameters

alphaHintX

Named with a trailing "X" because alphaFilter is a common macro argument name.