GammaCorrectionShader top-level property
Gamma Correction Shader http://en.wikipedia.org/wiki/gamma_correction
Implementation
var GammaCorrectionShader = {
"uniforms": {'tDiffuse': {}},
"vertexShader": [
'varying vec2 vUv;',
'void main() {',
' vUv = uv;',
' gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );',
'}'
].join('\n'),
"fragmentShader": [
'uniform sampler2D tDiffuse;',
'varying vec2 vUv;',
'void main() {',
' vec4 tex = texture2D( tDiffuse, vUv );',
' gl_FragColor = LinearTosRGB( tex );', // optional: LinearToGamma( tex, float( GAMMA_FACTOR ) );
'}'
].join('\n')
};