molstar
Version:
A comprehensive macromolecular library.
235 lines (234 loc) • 13.5 kB
JavaScript
"use strict";
/**
* Copyright (c) 2019-2025 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
* @author Cai Huiyu <szmun.caihy@gmail.com>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.TextureMesh = void 0;
const mol_util_1 = require("../../../mol-util");
const geometry_1 = require("../../../mol-math/geometry");
const param_definition_1 = require("../../../mol-util/param-definition");
const location_iterator_1 = require("../../../mol-geo/util/location-iterator");
const color_data_1 = require("../color-data");
const marker_data_1 = require("../marker-data");
const base_1 = require("../base");
const overpaint_data_1 = require("../overpaint-data");
const transparency_data_1 = require("../transparency-data");
const util_1 = require("../../../mol-gl/renderable/util");
const texture_1 = require("../../../mol-gl/webgl/texture");
const linear_algebra_1 = require("../../../mol-math/linear-algebra");
const clipping_data_1 = require("../clipping-data");
const location_1 = require("../../../mol-model/location");
const substance_data_1 = require("../substance-data");
const emissive_data_1 = require("../emissive-data");
var TextureMesh;
(function (TextureMesh) {
class DoubleBuffer {
constructor() {
this.index = 0;
this.textures = [];
}
get() {
return this.textures[this.index];
}
set(vertex, group, normal) {
this.textures[this.index] = Object.assign(this.textures[this.index] || {}, {
vertex, group, normal
});
this.index = (this.index + 1) % 2;
}
destroy() {
for (const buffer of this.textures) {
buffer.vertex.destroy();
buffer.group.destroy();
buffer.normal.destroy();
}
}
}
TextureMesh.DoubleBuffer = DoubleBuffer;
function create(vertexCount, groupCount, vertexTexture, groupTexture, normalTexture, boundingSphere, textureMesh) {
const width = vertexTexture.getWidth();
const height = vertexTexture.getHeight();
if (textureMesh) {
textureMesh.vertexCount = vertexCount;
textureMesh.groupCount = groupCount;
mol_util_1.ValueCell.update(textureMesh.geoTextureDim, linear_algebra_1.Vec2.set(textureMesh.geoTextureDim.ref.value, width, height));
mol_util_1.ValueCell.update(textureMesh.vertexTexture, vertexTexture);
mol_util_1.ValueCell.update(textureMesh.groupTexture, groupTexture);
mol_util_1.ValueCell.update(textureMesh.normalTexture, normalTexture);
textureMesh.doubleBuffer.set(vertexTexture, groupTexture, normalTexture);
geometry_1.Sphere3D.copy(textureMesh.boundingSphere, boundingSphere);
return textureMesh;
}
else {
return {
kind: 'texture-mesh',
vertexCount,
groupCount,
geoTextureDim: mol_util_1.ValueCell.create(linear_algebra_1.Vec2.create(width, height)),
vertexTexture: mol_util_1.ValueCell.create(vertexTexture),
groupTexture: mol_util_1.ValueCell.create(groupTexture),
normalTexture: mol_util_1.ValueCell.create(normalTexture),
varyingGroup: mol_util_1.ValueCell.create(false),
doubleBuffer: new DoubleBuffer(),
boundingSphere: geometry_1.Sphere3D.clone(boundingSphere),
meta: {}
};
}
}
TextureMesh.create = create;
function createEmpty(textureMesh) {
const vt = textureMesh ? textureMesh.vertexTexture.ref.value : (0, texture_1.createNullTexture)();
const gt = textureMesh ? textureMesh.groupTexture.ref.value : (0, texture_1.createNullTexture)();
const nt = textureMesh ? textureMesh.normalTexture.ref.value : (0, texture_1.createNullTexture)();
const bs = textureMesh ? textureMesh.boundingSphere : (0, geometry_1.Sphere3D)();
return create(0, 0, vt, gt, nt, bs, textureMesh);
}
TextureMesh.createEmpty = createEmpty;
TextureMesh.Params = {
...base_1.BaseGeometry.Params,
doubleSided: param_definition_1.ParamDefinition.Boolean(false, base_1.BaseGeometry.CustomQualityParamInfo),
flipSided: param_definition_1.ParamDefinition.Boolean(false, base_1.BaseGeometry.ShadingCategory),
flatShaded: param_definition_1.ParamDefinition.Boolean(false, base_1.BaseGeometry.ShadingCategory),
ignoreLight: param_definition_1.ParamDefinition.Boolean(false, base_1.BaseGeometry.ShadingCategory),
celShaded: param_definition_1.ParamDefinition.Boolean(false, base_1.BaseGeometry.ShadingCategory),
xrayShaded: param_definition_1.ParamDefinition.Select(false, [[false, 'Off'], [true, 'On'], ['inverted', 'Inverted']], base_1.BaseGeometry.ShadingCategory),
transparentBackfaces: param_definition_1.ParamDefinition.Select('off', param_definition_1.ParamDefinition.arrayToOptions(['off', 'on', 'opaque']), base_1.BaseGeometry.ShadingCategory),
bumpFrequency: param_definition_1.ParamDefinition.Numeric(0, { min: 0, max: 10, step: 0.1 }, base_1.BaseGeometry.ShadingCategory),
bumpAmplitude: param_definition_1.ParamDefinition.Numeric(1, { min: 0, max: 5, step: 0.1 }, base_1.BaseGeometry.ShadingCategory),
};
TextureMesh.Utils = {
Params: TextureMesh.Params,
createEmpty,
createValues,
createValuesSimple,
updateValues,
updateBoundingSphere,
createRenderableState,
updateRenderableState,
createPositionIterator,
};
const TextureMeshName = 'texture-mesh';
function createPositionIterator(textureMesh, transform) {
const webgl = textureMesh.meta.webgl;
if (!webgl)
return (0, location_iterator_1.LocationIterator)(1, 1, 1, () => location_1.NullLocation);
if (!webgl.namedFramebuffers[TextureMeshName]) {
webgl.namedFramebuffers[TextureMeshName] = webgl.resources.framebuffer();
}
const framebuffer = webgl.namedFramebuffers[TextureMeshName];
const [width, height] = textureMesh.geoTextureDim.ref.value;
const vertices = new Float32Array(width * height * 4);
framebuffer.bind();
textureMesh.vertexTexture.ref.value.attachFramebuffer(framebuffer, 0);
webgl.readPixels(0, 0, width, height, vertices);
const normals = new Float32Array(width * height * 4);
framebuffer.bind();
textureMesh.normalTexture.ref.value.attachFramebuffer(framebuffer, 0);
webgl.readPixels(0, 0, width, height, normals);
const groupCount = textureMesh.vertexCount;
const instanceCount = transform.instanceCount.ref.value;
const location = (0, location_iterator_1.PositionLocation)();
const p = location.position;
const n = location.normal;
const m = transform.aTransform.ref.value;
const getLocation = (groupIndex, instanceIndex) => {
if (instanceIndex < 0) {
linear_algebra_1.Vec3.fromArray(p, vertices, groupIndex * 4);
linear_algebra_1.Vec3.fromArray(n, normals, groupIndex * 4);
}
else {
linear_algebra_1.Vec3.transformMat4Offset(p, vertices, m, 0, groupIndex * 4, instanceIndex * 16);
linear_algebra_1.Vec3.transformDirectionOffset(n, normals, m, 0, groupIndex * 4, instanceIndex * 16);
}
return location;
};
return (0, location_iterator_1.LocationIterator)(groupCount, instanceCount, 1, getLocation);
}
function createValues(textureMesh, transform, locationIt, theme, props) {
const { instanceCount, groupCount } = locationIt;
const positionIt = TextureMesh.Utils.createPositionIterator(textureMesh, transform);
const color = (0, color_data_1.createColors)(locationIt, positionIt, theme.color);
const marker = props.instanceGranularity
? (0, marker_data_1.createMarkers)(instanceCount, 'instance')
: (0, marker_data_1.createMarkers)(instanceCount * groupCount, 'groupInstance');
const overpaint = (0, overpaint_data_1.createEmptyOverpaint)();
const transparency = (0, transparency_data_1.createEmptyTransparency)();
const emissive = (0, emissive_data_1.createEmptyEmissive)();
const substance = (0, substance_data_1.createEmptySubstance)();
const clipping = (0, clipping_data_1.createEmptyClipping)();
const counts = { drawCount: textureMesh.vertexCount, vertexCount: textureMesh.vertexCount, groupCount, instanceCount };
const invariantBoundingSphere = geometry_1.Sphere3D.clone(textureMesh.boundingSphere);
const boundingSphere = (0, util_1.calculateTransformBoundingSphere)(invariantBoundingSphere, transform.aTransform.ref.value, instanceCount, 0);
return {
dGeometryType: mol_util_1.ValueCell.create('textureMesh'),
uGeoTexDim: textureMesh.geoTextureDim,
tPosition: textureMesh.vertexTexture,
tGroup: textureMesh.groupTexture,
tNormal: textureMesh.normalTexture,
dVaryingGroup: textureMesh.varyingGroup,
boundingSphere: mol_util_1.ValueCell.create(boundingSphere),
invariantBoundingSphere: mol_util_1.ValueCell.create(invariantBoundingSphere),
uInvariantBoundingSphere: mol_util_1.ValueCell.create(linear_algebra_1.Vec4.ofSphere(invariantBoundingSphere)),
...color,
...marker,
...overpaint,
...transparency,
...emissive,
...substance,
...clipping,
...transform,
...base_1.BaseGeometry.createValues(props, counts),
uDoubleSided: mol_util_1.ValueCell.create(props.doubleSided),
dFlatShaded: mol_util_1.ValueCell.create(props.flatShaded),
dFlipSided: mol_util_1.ValueCell.create(props.flipSided),
dIgnoreLight: mol_util_1.ValueCell.create(props.ignoreLight),
dCelShaded: mol_util_1.ValueCell.create(props.celShaded),
dXrayShaded: mol_util_1.ValueCell.create(props.xrayShaded === 'inverted' ? 'inverted' : props.xrayShaded === true ? 'on' : 'off'),
dTransparentBackfaces: mol_util_1.ValueCell.create(props.transparentBackfaces),
uBumpFrequency: mol_util_1.ValueCell.create(props.bumpFrequency),
uBumpAmplitude: mol_util_1.ValueCell.create(props.bumpAmplitude),
meta: mol_util_1.ValueCell.create(textureMesh.meta),
};
}
function createValuesSimple(textureMesh, props, colorValue, sizeValue, transform) {
const s = base_1.BaseGeometry.createSimple(colorValue, sizeValue, transform);
const p = { ...param_definition_1.ParamDefinition.getDefaultValues(TextureMesh.Params), ...props };
return createValues(textureMesh, s.transform, s.locationIterator, s.theme, p);
}
function updateValues(values, props) {
base_1.BaseGeometry.updateValues(values, props);
mol_util_1.ValueCell.updateIfChanged(values.uDoubleSided, props.doubleSided);
mol_util_1.ValueCell.updateIfChanged(values.dFlatShaded, props.flatShaded);
mol_util_1.ValueCell.updateIfChanged(values.dFlipSided, props.flipSided);
mol_util_1.ValueCell.updateIfChanged(values.dIgnoreLight, props.ignoreLight);
mol_util_1.ValueCell.updateIfChanged(values.dCelShaded, props.celShaded);
mol_util_1.ValueCell.updateIfChanged(values.dXrayShaded, props.xrayShaded === 'inverted' ? 'inverted' : props.xrayShaded === true ? 'on' : 'off');
mol_util_1.ValueCell.updateIfChanged(values.dTransparentBackfaces, props.transparentBackfaces);
mol_util_1.ValueCell.updateIfChanged(values.uBumpFrequency, props.bumpFrequency);
mol_util_1.ValueCell.updateIfChanged(values.uBumpAmplitude, props.bumpAmplitude);
}
function updateBoundingSphere(values, textureMesh) {
const invariantBoundingSphere = geometry_1.Sphere3D.clone(textureMesh.boundingSphere);
const boundingSphere = (0, util_1.calculateTransformBoundingSphere)(invariantBoundingSphere, values.aTransform.ref.value, values.instanceCount.ref.value, 0);
if (!geometry_1.Sphere3D.equals(boundingSphere, values.boundingSphere.ref.value)) {
mol_util_1.ValueCell.update(values.boundingSphere, boundingSphere);
}
if (!geometry_1.Sphere3D.equals(invariantBoundingSphere, values.invariantBoundingSphere.ref.value)) {
mol_util_1.ValueCell.update(values.invariantBoundingSphere, invariantBoundingSphere);
mol_util_1.ValueCell.update(values.uInvariantBoundingSphere, linear_algebra_1.Vec4.fromSphere(values.uInvariantBoundingSphere.ref.value, invariantBoundingSphere));
}
}
function createRenderableState(props) {
const state = base_1.BaseGeometry.createRenderableState(props);
updateRenderableState(state, props);
return state;
}
function updateRenderableState(state, props) {
base_1.BaseGeometry.updateRenderableState(state, props);
state.opaque = state.opaque && !props.xrayShaded;
state.writeDepth = state.opaque;
}
})(TextureMesh || (exports.TextureMesh = TextureMesh = {}));