/** * Copyright (c) 2019 mol* contributors, licensed under MIT, See LICENSE file for more info. * * @author Alexander Rose <alexander.rose@weirdbyte.de> */ import { QuadSchema, QuadValues } from 'mol-gl/compute/util'; import { TextureSpec, UniformSpec, Values } from 'mol-gl/renderable/schema'; import { Texture } from 'mol-gl/webgl/texture'; import { WebGLContext } from 'mol-gl/webgl/context'; import { ValueCell } from 'mol-util'; import { Vec2 } from 'mol-math/linear-algebra'; import { ShaderCode } from 'mol-gl/shader-code'; import { createComputeRenderItem } from 'mol-gl/webgl/render-item'; import { createComputeRenderable } from 'mol-gl/renderable'; const ComposeSchema = { ...QuadSchema, tColor: TextureSpec('texture', 'rgba', 'ubyte', 'nearest'), uTexSize: UniformSpec('v2'), uWeight: UniformSpec('f'), } export function getComposeRenderable(ctx: WebGLContext, colorTexture: Texture) { const values: Values<typeof ComposeSchema> = { ...QuadValues, tColor: ValueCell.create(colorTexture), uTexSize: ValueCell.create(Vec2.create(colorTexture.width, colorTexture.height)), uWeight: ValueCell.create(1.0), } const schema = { ...ComposeSchema } const shaderCode = ShaderCode( require('mol-gl/shader/quad.vert').default, require('mol-gl/shader/compose.frag').default ) const renderItem = createComputeRenderItem(ctx, 'triangles', shaderCode, schema, values) return createComputeRenderable(renderItem, values) } export const JitterVectors = [ [ [ 0, 0 ] ], [ [ 4, 4 ], [ -4, -4 ] ], [ [ -2, -6 ], [ 6, -2 ], [ -6, 2 ], [ 2, 6 ] ], [ [ 1, -3 ], [ -1, 3 ], [ 5, 1 ], [ -3, -5 ], [ -5, 5 ], [ -7, -1 ], [ 3, 7 ], [ 7, -7 ] ], [ [ 1, 1 ], [ -1, -3 ], [ -3, 2 ], [ 4, -1 ], [ -5, -2 ], [ 2, 5 ], [ 5, 3 ], [ 3, -5 ], [ -2, 6 ], [ 0, -7 ], [ -4, -6 ], [ -6, 4 ], [ -8, 0 ], [ 7, -4 ], [ 6, 7 ], [ -7, -8 ] ], [ [ -4, -7 ], [ -7, -5 ], [ -3, -5 ], [ -5, -4 ], [ -1, -4 ], [ -2, -2 ], [ -6, -1 ], [ -4, 0 ], [ -7, 1 ], [ -1, 2 ], [ -6, 3 ], [ -3, 3 ], [ -7, 6 ], [ -3, 6 ], [ -5, 7 ], [ -1, 7 ], [ 5, -7 ], [ 1, -6 ], [ 6, -5 ], [ 4, -4 ], [ 2, -3 ], [ 7, -2 ], [ 1, -1 ], [ 4, -1 ], [ 2, 1 ], [ 6, 2 ], [ 0, 4 ], [ 4, 4 ], [ 2, 5 ], [ 7, 5 ], [ 5, 6 ], [ 3, 7 ] ] ] JitterVectors.forEach(offsetList => { offsetList.forEach(offset => { // 0.0625 = 1 / 16 offset[0] *= 0.0625 offset[1] *= 0.0625 }) })