molstar
Version:
A comprehensive macromolecular library.
56 lines (55 loc) • 2.88 kB
JavaScript
;
/**
* Copyright (c) 2018-2025 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.DirectVolumeSchema = void 0;
exports.DirectVolumeRenderable = DirectVolumeRenderable;
const renderable_1 = require("../renderable");
const render_item_1 = require("../webgl/render-item");
const schema_1 = require("./schema");
const shader_code_1 = require("../shader-code");
const mol_util_1 = require("../../mol-util");
exports.DirectVolumeSchema = {
...schema_1.BaseSchema,
aPosition: (0, schema_1.AttributeSpec)('float32', 3, 0),
elements: (0, schema_1.ElementsSpec)('uint32'),
uBboxMin: (0, schema_1.UniformSpec)('v3'),
uBboxMax: (0, schema_1.UniformSpec)('v3'),
uBboxSize: (0, schema_1.UniformSpec)('v3'),
uMaxSteps: (0, schema_1.UniformSpec)('i'),
uStepScale: (0, schema_1.UniformSpec)('f'),
uJumpLength: (0, schema_1.UniformSpec)('f'),
uTransform: (0, schema_1.UniformSpec)('m4'),
uGridDim: (0, schema_1.UniformSpec)('v3'),
tTransferTex: (0, schema_1.TextureSpec)('image-uint8', 'alpha', 'ubyte', 'linear'),
uTransferScale: (0, schema_1.UniformSpec)('f', 'material'),
dGridTexType: (0, schema_1.DefineSpec)('string', ['2d', '3d']),
uGridTexDim: (0, schema_1.UniformSpec)('v3'),
tGridTex: (0, schema_1.TextureSpec)('texture', 'rgba', 'ubyte', 'linear'),
uGridStats: (0, schema_1.UniformSpec)('v4'), // [min, max, mean, sigma]
uCellDim: (0, schema_1.UniformSpec)('v3'),
uCartnToUnit: (0, schema_1.UniformSpec)('m4'),
uUnitToCartn: (0, schema_1.UniformSpec)('m4'),
dPackedGroup: (0, schema_1.DefineSpec)('boolean'),
dAxisOrder: (0, schema_1.DefineSpec)('string', ['012', '021', '102', '120', '201', '210']),
dIgnoreLight: (0, schema_1.DefineSpec)('boolean'),
dCelShaded: (0, schema_1.DefineSpec)('boolean'),
dXrayShaded: (0, schema_1.DefineSpec)('string', ['off', 'on', 'inverted']),
meta: (0, schema_1.ValueSpec)('unknown')
};
function DirectVolumeRenderable(ctx, id, values, state, materialId, transparency) {
const schema = { ...schema_1.GlobalUniformSchema, ...schema_1.GlobalTextureSchema, ...schema_1.InternalSchema, ...exports.DirectVolumeSchema };
if (!ctx.isWebGL2) {
// workaround for webgl1 limitation that loop counters need to be `const`
schema.uMaxSteps = (0, schema_1.DefineSpec)('number');
}
const internalValues = {
uObjectId: mol_util_1.ValueCell.create(id),
};
const shaderCode = shader_code_1.DirectVolumeShaderCode;
const renderItem = (0, render_item_1.createGraphicsRenderItem)(ctx, 'triangles', shaderCode, schema, { ...values, ...internalValues }, materialId, transparency);
return (0, renderable_1.createRenderable)(renderItem, values, state);
}