molstar
Version:
A comprehensive macromolecular library.
84 lines • 4.93 kB
JavaScript
;
/**
* Copyright (c) 2019-2021 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.calcActiveVoxels = void 0;
var tslib_1 = require("tslib");
var renderable_1 = require("../../renderable");
var render_item_1 = require("../../webgl/render-item");
var schema_1 = require("../../renderable/schema");
var shader_code_1 = require("../../../mol-gl/shader-code");
var mol_util_1 = require("../../../mol-util");
var util_1 = require("../util");
var tables_1 = require("./tables");
var quad_vert_1 = require("../../../mol-gl/shader/quad.vert");
var active_voxels_frag_1 = require("../../../mol-gl/shader/marching-cubes/active-voxels.frag");
var ActiveVoxelsSchema = (0, tslib_1.__assign)((0, tslib_1.__assign)({}, util_1.QuadSchema), { tTriCount: (0, schema_1.TextureSpec)('image-uint8', 'alpha', 'ubyte', 'nearest'), tVolumeData: (0, schema_1.TextureSpec)('texture', 'rgba', 'ubyte', 'nearest'), uIsoValue: (0, schema_1.UniformSpec)('f'), uGridDim: (0, schema_1.UniformSpec)('v3'), uGridTexDim: (0, schema_1.UniformSpec)('v3'), uScale: (0, schema_1.UniformSpec)('v2') });
var ActiveVoxelsName = 'active-voxels';
function getActiveVoxelsRenderable(ctx, volumeData, gridDim, gridTexDim, isoValue, scale) {
if (ctx.namedComputeRenderables[ActiveVoxelsName]) {
var v = ctx.namedComputeRenderables[ActiveVoxelsName].values;
mol_util_1.ValueCell.update(v.uQuadScale, scale);
mol_util_1.ValueCell.update(v.tVolumeData, volumeData);
mol_util_1.ValueCell.updateIfChanged(v.uIsoValue, isoValue);
mol_util_1.ValueCell.update(v.uGridDim, gridDim);
mol_util_1.ValueCell.update(v.uGridTexDim, gridTexDim);
mol_util_1.ValueCell.update(v.uScale, scale);
ctx.namedComputeRenderables[ActiveVoxelsName].update();
}
else {
ctx.namedComputeRenderables[ActiveVoxelsName] = createActiveVoxelsRenderable(ctx, volumeData, gridDim, gridTexDim, isoValue, scale);
}
return ctx.namedComputeRenderables[ActiveVoxelsName];
}
function createActiveVoxelsRenderable(ctx, volumeData, gridDim, gridTexDim, isoValue, scale) {
var values = (0, tslib_1.__assign)((0, tslib_1.__assign)({}, util_1.QuadValues), { tTriCount: mol_util_1.ValueCell.create((0, tables_1.getTriCount)()), uQuadScale: mol_util_1.ValueCell.create(scale), tVolumeData: mol_util_1.ValueCell.create(volumeData), uIsoValue: mol_util_1.ValueCell.create(isoValue), uGridDim: mol_util_1.ValueCell.create(gridDim), uGridTexDim: mol_util_1.ValueCell.create(gridTexDim), uScale: mol_util_1.ValueCell.create(scale) });
var schema = (0, tslib_1.__assign)({}, ActiveVoxelsSchema);
var shaderCode = (0, shader_code_1.ShaderCode)('active-voxels', quad_vert_1.quad_vert, active_voxels_frag_1.activeVoxels_frag);
var renderItem = (0, render_item_1.createComputeRenderItem)(ctx, 'triangles', shaderCode, schema, values);
return (0, renderable_1.createComputeRenderable)(renderItem, values);
}
function setRenderingDefaults(ctx) {
var gl = ctx.gl, state = ctx.state;
state.disable(gl.CULL_FACE);
state.disable(gl.BLEND);
state.disable(gl.DEPTH_TEST);
state.enable(gl.SCISSOR_TEST);
state.depthMask(false);
state.colorMask(true, true, true, true);
state.clearColor(0, 0, 0, 0);
}
function calcActiveVoxels(ctx, volumeData, gridDim, gridTexDim, isoValue, gridScale) {
var gl = ctx.gl, resources = ctx.resources;
var width = volumeData.getWidth();
var height = volumeData.getHeight();
if (!ctx.namedFramebuffers[ActiveVoxelsName]) {
ctx.namedFramebuffers[ActiveVoxelsName] = resources.framebuffer();
}
var framebuffer = ctx.namedFramebuffers[ActiveVoxelsName];
framebuffer.bind();
if (!ctx.namedTextures[ActiveVoxelsName]) {
ctx.namedTextures[ActiveVoxelsName] = resources.texture('image-uint8', 'rgba', 'ubyte', 'nearest');
}
var activeVoxelsTex = ctx.namedTextures[ActiveVoxelsName];
activeVoxelsTex.define(width, height);
var renderable = getActiveVoxelsRenderable(ctx, volumeData, gridDim, gridTexDim, isoValue, gridScale);
ctx.state.currentRenderItemId = -1;
activeVoxelsTex.attachFramebuffer(framebuffer, 0);
setRenderingDefaults(ctx);
gl.viewport(0, 0, width, height);
gl.scissor(0, 0, width, height);
gl.clear(gl.COLOR_BUFFER_BIT);
gl.scissor(0, 0, gridTexDim[0], gridTexDim[1]);
renderable.render();
// console.log('gridScale', gridScale, 'gridTexDim', gridTexDim, 'gridDim', gridDim);
// console.log('volumeData', volumeData);
// console.log('at', readTexture(ctx, activeVoxelsTex));
gl.finish();
return activeVoxelsTex;
}
exports.calcActiveVoxels = calcActiveVoxels;
//# sourceMappingURL=active-voxels.js.map