pixi.js
Version:
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9 lines (5 loc) • 989 B
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var fragment = "in vec2 vMaskCoord;\nin vec2 vTextureCoord;\n\nuniform sampler2D uTexture;\nuniform sampler2D uMaskTexture;\n\nuniform float uAlpha;\nuniform vec4 uMaskClamp;\nuniform float uInverse;\n\nout vec4 finalColor;\n\nvoid main(void)\n{\n float clip = step(3.5,\n step(uMaskClamp.x, vMaskCoord.x) +\n step(uMaskClamp.y, vMaskCoord.y) +\n step(vMaskCoord.x, uMaskClamp.z) +\n step(vMaskCoord.y, uMaskClamp.w));\n\n // TODO look into why this is needed\n float npmAlpha = uAlpha;\n vec4 original = texture(uTexture, vTextureCoord);\n vec4 masky = texture(uMaskTexture, vMaskCoord);\n float alphaMul = 1.0 - npmAlpha * (1.0 - masky.a);\n\n float a = alphaMul * masky.r * npmAlpha * clip;\n\n if (uInverse == 1.0) {\n a = 1.0 - a;\n }\n\n finalColor = original * a;\n}\n";
exports.default = fragment;
//# sourceMappingURL=mask.frag.js.map