Sha256: a63de00fcbba18731cc5697f09b819471eb08c71fb18f1aaba3da44b76fbeb0c
Contents?: true
Size: 1.76 KB
Versions: 4
Compression:
Stored size: 1.76 KB
Contents
(function (global, factory) {
if (typeof define === "function" && define.amd) {
define(["exports"], factory);
} else if (typeof exports !== "undefined") {
factory(exports);
} else {
var mod = {
exports: {}
};
factory(mod.exports);
global.BrightnessContrastShader = mod.exports;
}
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports) {
"use strict";
Object.defineProperty(_exports, "__esModule", {
value: true
});
_exports.BrightnessContrastShader = void 0;
/**
* Brightness and contrast adjustment
* https://github.com/evanw/glfx.js
* brightness: -1 to 1 (-1 is solid black, 0 is no change, and 1 is solid white)
* contrast: -1 to 1 (-1 is solid gray, 0 is no change, and 1 is maximum contrast)
*/
var BrightnessContrastShader = {
uniforms: {
'tDiffuse': {
value: null
},
'brightness': {
value: 0
},
'contrast': {
value: 0
}
},
vertexShader:
/* glsl */
"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",
fragmentShader:
/* glsl */
"\n\n\t\tuniform sampler2D tDiffuse;\n\t\tuniform float brightness;\n\t\tuniform float contrast;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tgl_FragColor = texture2D( tDiffuse, vUv );\n\n\t\t\tgl_FragColor.rgb += brightness;\n\n\t\t\tif (contrast > 0.0) {\n\t\t\t\tgl_FragColor.rgb = (gl_FragColor.rgb - 0.5) / (1.0 - contrast) + 0.5;\n\t\t\t} else {\n\t\t\t\tgl_FragColor.rgb = (gl_FragColor.rgb - 0.5) * (1.0 + contrast) + 0.5;\n\t\t\t}\n\n\t\t}"
};
_exports.BrightnessContrastShader = BrightnessContrastShader;
});
Version data entries
4 entries across 4 versions & 1 rubygems