molstar
Version:
A comprehensive macromolecular library.
11 lines • 1.45 kB
JavaScript
"use strict";
/**
* Copyright (c) 2019-2020 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
* @author Áron Samuel Kovács <aron.kovacs@mail.muni.cz>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.wboit_write = void 0;
exports.wboit_write = "\n#if defined(dRenderVariant_colorWboit)\n if (!uRenderWboit) {\n if (preFogAlpha < 1.0) {\n discard;\n }\n } else if (uRenderWboit) {\n // the 'fragmentDepth > 0.99' check is to handle precision issues with packed depth\n if (preFogAlpha != 1.0 && !interior && (fragmentDepth < getDepth(gl_FragCoord.xy / uDrawingBufferSize) || fragmentDepth > 0.99)) {\n float alpha = gl_FragColor.a;\n float wboitWeight = alpha * clamp(pow(1.0 - fragmentDepth, 2.0), 0.01, 1.0);\n gl_FragColor = vec4(gl_FragColor.rgb * alpha * wboitWeight, alpha);\n // extra alpha is to handle pre-multiplied alpha\n #if !defined(dRenderMode_volume) && !defined(dRenderMode_isosurface)\n gl_FragData[1] = vec4((uTransparentBackground ? alpha : 1.0) * alpha * wboitWeight);\n #else\n gl_FragData[1] = vec4(alpha * alpha * wboitWeight);\n #endif\n } else {\n discard;\n }\n }\n#endif\n";
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