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hierarchy.ts
renderer.ts 40.13 KiB
/**
* Copyright (c) 2018-2023 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
* @author Gianluca Tomasello <giagitom@gmail.com>
*/
import { Viewport } from '../mol-canvas3d/camera/util';
import { ICamera } from '../mol-canvas3d/camera';
import { Scene } from './scene';
import { WebGLContext } from './webgl/context';
import { Mat4, Vec3, Vec4, Vec2 } from '../mol-math/linear-algebra';
import { GraphicsRenderable } from './renderable';
import { Color } from '../mol-util/color';
import { ValueCell, deepEqual } from '../mol-util';
import { GlobalUniformValues } from './renderable/schema';
import { GraphicsRenderVariant } from './webgl/render-item';
import { ParamDefinition as PD } from '../mol-util/param-definition';
import { degToRad } from '../mol-math/misc';
import { Texture, Textures } from './webgl/texture';
import { arrayMapUpsert } from '../mol-util/array';
import { clamp } from '../mol-math/interpolate';
import { isTimingMode } from '../mol-util/debug';
export interface RendererStats {
programCount: number
shaderCount: number
attributeCount: number
elementsCount: number
framebufferCount: number
renderbufferCount: number
textureCount: number
vertexArrayCount: number
drawCount: number
instanceCount: number
instancedDrawCount: number
}
export enum PickType {
None = 0,
Object = 1,
Instance = 2,
Group = 3,
}
export enum MarkingType {
None = 0,
Depth = 1,
Mask = 2,
}
interface Renderer {
readonly stats: RendererStats
readonly props: Readonly<RendererProps>
readonly light: Readonly<Light>
clear: (toBackgroundColor: boolean, ignoreTransparentBackground?: boolean) => void
clearDepth: (packed?: boolean) => void
update: (camera: ICamera, scene: Scene) => void
renderPick: (group: Scene.Group, camera: ICamera, variant: 'pick' | 'depth', depthTexture: Texture | null, pickType: PickType) => void
renderDepth: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => void
renderDepthOpaque: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => void
renderDepthTransparent: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => void
renderMarkingDepth: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => void
renderMarkingMask: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => void
renderBlended: (group: Scene, camera: ICamera) => void
renderBlendedOpaque: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => void renderBlendedTransparent: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => void
renderBlendedVolume: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => void
renderWboitOpaque: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => void
renderWboitTransparent: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => void
renderDpoitOpaque: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => void
renderDpoitTransparent: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null, dpoitTextures: { depth: Texture, frontColor: Texture, backColor: Texture }) => void
renderDpoitVolume: (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => void
setProps: (props: Partial<RendererProps>) => void
setViewport: (x: number, y: number, width: number, height: number) => void
setTransparentBackground: (value: boolean) => void
setDrawingBufferSize: (width: number, height: number) => void
setPixelRatio: (value: number) => void
dispose: () => void
}
export const RendererParams = {
backgroundColor: PD.Color(Color(0x000000), { description: 'Background color of the 3D canvas' }),
pickingAlphaThreshold: PD.Numeric(0.5, { min: 0.0, max: 1.0, step: 0.01 }, { description: 'The minimum opacity value needed for an object to be pickable.' }),
interiorDarkening: PD.Numeric(0.5, { min: 0.0, max: 1.0, step: 0.01 }),
interiorColorFlag: PD.Boolean(true, { label: 'Use Interior Color' }),
interiorColor: PD.Color(Color.fromNormalizedRgb(0.3, 0.3, 0.3)),
colorMarker: PD.Boolean(true, { description: 'Enable color marker' }),
highlightColor: PD.Color(Color.fromNormalizedRgb(1.0, 0.4, 0.6)),
selectColor: PD.Color(Color.fromNormalizedRgb(0.2, 1.0, 0.1)),
dimColor: PD.Color(Color.fromNormalizedRgb(1.0, 1.0, 1.0)),
highlightStrength: PD.Numeric(0.3, { min: 0.0, max: 1.0, step: 0.1 }),
selectStrength: PD.Numeric(0.3, { min: 0.0, max: 1.0, step: 0.1 }),
dimStrength: PD.Numeric(0.0, { min: 0.0, max: 1.0, step: 0.1 }),
markerPriority: PD.Select(1, [[1, 'Highlight'], [2, 'Select']]),
xrayEdgeFalloff: PD.Numeric(1, { min: 0.0, max: 3.0, step: 0.1 }),
exposure: PD.Numeric(1, { min: 0.0, max: 3.0, step: 0.01 }),
light: PD.ObjectList({
inclination: PD.Numeric(150, { min: 0, max: 180, step: 1 }),
azimuth: PD.Numeric(320, { min: 0, max: 360, step: 1 }),
color: PD.Color(Color.fromNormalizedRgb(1.0, 1.0, 1.0)),
intensity: PD.Numeric(0.6, { min: 0.0, max: 5.0, step: 0.01 }),
}, o => Color.toHexString(o.color), { defaultValue: [{
inclination: 150,
azimuth: 320,
color: Color.fromNormalizedRgb(1.0, 1.0, 1.0),
intensity: 0.6
}] }),
ambientColor: PD.Color(Color.fromNormalizedRgb(1.0, 1.0, 1.0)),
ambientIntensity: PD.Numeric(0.4, { min: 0.0, max: 2.0, step: 0.01 }),
};
export type RendererProps = PD.Values<typeof RendererParams>
export type Light = {
count: number
direction: number[]
color: number[]
}
const tmpDir = Vec3();
const tmpColor = Vec3();
function getLight(props: RendererProps['light'], light?: Light): Light {
const { direction, color } = light || {
direction: (new Array(5 * 3)).fill(0),
color: (new Array(5 * 3)).fill(0),
};
for (let i = 0, il = props.length; i < il; ++i) {
const p = props[i];
Vec3.directionFromSpherical(tmpDir, degToRad(p.inclination), degToRad(p.azimuth), 1); Vec3.toArray(tmpDir, direction, i * 3);
Vec3.scale(tmpColor, Color.toVec3Normalized(tmpColor, p.color), p.intensity);
Vec3.toArray(tmpColor, color, i * 3);
}
return { count: props.length, direction, color };
}
namespace Renderer {
const enum Flag {
None = 0,
BlendedFront = 1,
BlendedBack = 2,
}
const enum Mask {
All = 0,
Opaque = 1,
Transparent = 2,
}
export function create(ctx: WebGLContext, props: Partial<RendererProps> = {}): Renderer {
const { gl, state, stats } = ctx;
const p = PD.merge(RendererParams, PD.getDefaultValues(RendererParams), props);
const light = getLight(p.light);
const viewport = Viewport();
const drawingBufferSize = Vec2.create(gl.drawingBufferWidth, gl.drawingBufferHeight);
const bgColor = Color.toVec3Normalized(Vec3(), p.backgroundColor);
let transparentBackground = false;
const emptyDepthTexture = ctx.resources.texture('image-uint8', 'rgba', 'ubyte', 'nearest');
emptyDepthTexture.define(1, 1);
emptyDepthTexture.load({ array: new Uint8Array([255, 255, 255, 255]), width: 1, height: 1 });
const sharedTexturesList: Textures = [
['tDepth', emptyDepthTexture]
];
const view = Mat4();
const invView = Mat4();
const modelView = Mat4();
const invModelView = Mat4();
const invProjection = Mat4();
const modelViewProjection = Mat4();
const invModelViewProjection = Mat4();
const cameraDir = Vec3();
const viewOffset = Vec2();
const ambientColor = Vec3();
Vec3.scale(ambientColor, Color.toArrayNormalized(p.ambientColor, ambientColor, 0), p.ambientIntensity);
const globalUniforms: GlobalUniformValues = {
uModel: ValueCell.create(Mat4.identity()),
uView: ValueCell.create(view),
uInvView: ValueCell.create(invView),
uModelView: ValueCell.create(modelView),
uInvModelView: ValueCell.create(invModelView),
uInvProjection: ValueCell.create(invProjection),
uProjection: ValueCell.create(Mat4()),
uModelViewProjection: ValueCell.create(modelViewProjection),
uInvModelViewProjection: ValueCell.create(invModelViewProjection),
uIsOrtho: ValueCell.create(1),
uViewOffset: ValueCell.create(viewOffset),
uPixelRatio: ValueCell.create(ctx.pixelRatio),
uViewport: ValueCell.create(Viewport.toVec4(Vec4(), viewport)),
uDrawingBufferSize: ValueCell.create(drawingBufferSize),
uCameraPosition: ValueCell.create(Vec3()),
uCameraDir: ValueCell.create(cameraDir),
uNear: ValueCell.create(1),
uFar: ValueCell.create(10000),
uFogNear: ValueCell.create(1),
uFogFar: ValueCell.create(10000),
uFogColor: ValueCell.create(bgColor),
uRenderMask: ValueCell.create(0),
uMarkingDepthTest: ValueCell.create(false),
uPickType: ValueCell.create(PickType.None),
uMarkingType: ValueCell.create(MarkingType.None),
uTransparentBackground: ValueCell.create(false),
uLightDirection: ValueCell.create(light.direction),
uLightColor: ValueCell.create(light.color),
uAmbientColor: ValueCell.create(ambientColor),
uPickingAlphaThreshold: ValueCell.create(p.pickingAlphaThreshold),
uInteriorDarkening: ValueCell.create(p.interiorDarkening),
uInteriorColorFlag: ValueCell.create(p.interiorColorFlag),
uInteriorColor: ValueCell.create(Color.toVec3Normalized(Vec3(), p.interiorColor)),
uHighlightColor: ValueCell.create(Color.toVec3Normalized(Vec3(), p.highlightColor)),
uSelectColor: ValueCell.create(Color.toVec3Normalized(Vec3(), p.selectColor)),
uDimColor: ValueCell.create(Color.toVec3Normalized(Vec3(), p.dimColor)),
uHighlightStrength: ValueCell.create(p.highlightStrength),
uSelectStrength: ValueCell.create(p.selectStrength),
uDimStrength: ValueCell.create(p.dimStrength),
uMarkerPriority: ValueCell.create(p.markerPriority),
uMarkerAverage: ValueCell.create(0),
uXrayEdgeFalloff: ValueCell.create(p.xrayEdgeFalloff),
uExposure: ValueCell.create(p.exposure),
};
const globalUniformList = Object.entries(globalUniforms);
let globalUniformsNeedUpdate = true;
const renderObject = (r: GraphicsRenderable, variant: GraphicsRenderVariant, flag: Flag) => {
if (r.state.disposed || !r.state.visible || (!r.state.pickable && variant === 'pick')) {
return;
}
let definesNeedUpdate = false;
if (r.values.dLightCount.ref.value !== light.count) {
ValueCell.update(r.values.dLightCount, light.count);
definesNeedUpdate = true;
}
if (r.values.dColorMarker.ref.value !== p.colorMarker) {
ValueCell.update(r.values.dColorMarker, p.colorMarker);
definesNeedUpdate = true;
}
if (definesNeedUpdate) r.update();
const program = r.getProgram(variant);
if (state.currentProgramId !== program.id) {
// console.log('new program')
globalUniformsNeedUpdate = true;
program.use();
}
if (globalUniformsNeedUpdate) {
// console.log('globalUniformsNeedUpdate')
program.setUniforms(globalUniformList);
program.bindTextures(sharedTexturesList, 0);
globalUniformsNeedUpdate = false;
}
if (r.values.dGeometryType.ref.value === 'directVolume') {
if (variant !== 'colorDpoit' && variant !== 'colorWboit' && variant !== 'colorBlended') {
return; // only color supported
}
// culling done in fragment shader
state.disable(gl.CULL_FACE);
state.frontFace(gl.CCW);
if (variant === 'colorBlended') {
// depth test done manually in shader against `depthTexture`
state.disable(gl.DEPTH_TEST);
state.depthMask(false);
}
} else if (flag === Flag.BlendedFront) {
state.enable(gl.CULL_FACE);
if (r.values.dFlipSided?.ref.value) {
state.frontFace(gl.CW);
state.cullFace(gl.FRONT);
} else {
state.frontFace(gl.CCW);
state.cullFace(gl.BACK);
}
} else if (flag === Flag.BlendedBack) {
state.enable(gl.CULL_FACE);
if (r.values.dFlipSided?.ref.value) {
state.frontFace(gl.CW);
state.cullFace(gl.BACK);
} else {
state.frontFace(gl.CCW);
state.cullFace(gl.FRONT);
}
} else {
if (r.values.uDoubleSided) {
if (r.values.uDoubleSided.ref.value || r.values.hasReflection.ref.value) {
state.disable(gl.CULL_FACE);
} else {
state.enable(gl.CULL_FACE);
}
} else {
// webgl default
state.disable(gl.CULL_FACE);
}
if (r.values.dFlipSided?.ref.value) {
state.frontFace(gl.CW);
state.cullFace(gl.FRONT);
} else {
// webgl default
state.frontFace(gl.CCW);
state.cullFace(gl.BACK);
}
}
r.render(variant, sharedTexturesList.length);
};
const update = (camera: ICamera, scene: Scene) => {
ValueCell.update(globalUniforms.uView, camera.view);
ValueCell.update(globalUniforms.uInvView, Mat4.invert(invView, camera.view));
ValueCell.update(globalUniforms.uProjection, camera.projection);
ValueCell.update(globalUniforms.uInvProjection, Mat4.invert(invProjection, camera.projection));
ValueCell.updateIfChanged(globalUniforms.uIsOrtho, camera.state.mode === 'orthographic' ? 1 : 0);
ValueCell.update(globalUniforms.uViewOffset, camera.viewOffset.enabled ? Vec2.set(viewOffset, camera.viewOffset.offsetX * 16, camera.viewOffset.offsetY * 16) : Vec2.set(viewOffset, 0, 0));
ValueCell.update(globalUniforms.uCameraPosition, camera.state.position);
ValueCell.update(globalUniforms.uCameraDir, Vec3.normalize(cameraDir, Vec3.sub(cameraDir, camera.state.target, camera.state.position)));
ValueCell.updateIfChanged(globalUniforms.uFar, camera.far);
ValueCell.updateIfChanged(globalUniforms.uNear, camera.near);
ValueCell.updateIfChanged(globalUniforms.uFogFar, camera.fogFar);
ValueCell.updateIfChanged(globalUniforms.uFogNear, camera.fogNear);
ValueCell.updateIfChanged(globalUniforms.uTransparentBackground, transparentBackground);
ValueCell.updateIfChanged(globalUniforms.uMarkerAverage, scene.markerAverage);
};
const updateInternal = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null, renderMask: Mask, markingDepthTest: boolean) => {
arrayMapUpsert(sharedTexturesList, 'tDepth', depthTexture || emptyDepthTexture);
ValueCell.update(globalUniforms.uModel, group.view);
ValueCell.update(globalUniforms.uModelView, Mat4.mul(modelView, camera.view, group.view));
ValueCell.update(globalUniforms.uInvModelView, Mat4.invert(invModelView, modelView));
ValueCell.update(globalUniforms.uModelViewProjection, Mat4.mul(modelViewProjection, modelView, camera.projection));
ValueCell.update(globalUniforms.uInvModelViewProjection, Mat4.invert(invModelViewProjection, modelViewProjection));
ValueCell.updateIfChanged(globalUniforms.uRenderMask, renderMask);
ValueCell.updateIfChanged(globalUniforms.uMarkingDepthTest, markingDepthTest);
state.enable(gl.SCISSOR_TEST);
state.colorMask(true, true, true, true);
const { x, y, width, height } = viewport;
state.viewport(x, y, width, height);
state.scissor(x, y, width, height);
globalUniformsNeedUpdate = true;
state.currentRenderItemId = -1;
};
const renderPick = (group: Scene.Group, camera: ICamera, variant: GraphicsRenderVariant, depthTexture: Texture | null, pickType: PickType) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderPick');
state.disable(gl.BLEND);
state.enable(gl.DEPTH_TEST);
state.depthMask(true);
updateInternal(group, camera, depthTexture, Mask.All, false);
ValueCell.updateIfChanged(globalUniforms.uPickType, pickType);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
if (!renderables[i].state.colorOnly) {
renderObject(renderables[i], variant, Flag.None);
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderPick');
};
const renderDepth = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderDepth');
state.disable(gl.BLEND);
state.enable(gl.DEPTH_TEST);
state.depthMask(true);
updateInternal(group, camera, depthTexture, Mask.All, false);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
renderObject(renderables[i], 'depth', Flag.None);
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderDepth');
};
const renderDepthOpaque = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderDepthOpaque');
state.disable(gl.BLEND);
state.enable(gl.DEPTH_TEST);
state.depthMask(true);
updateInternal(group, camera, depthTexture, Mask.Opaque, false);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
if (r.state.opaque && r.values.transparencyAverage.ref.value !== 1 && !r.values.dXrayShaded?.ref.value) {
renderObject(r, 'depth', Flag.None);
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderDepthOpaque');
};
const renderDepthTransparent = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderDepthTransparent');
state.disable(gl.BLEND);
state.enable(gl.DEPTH_TEST);
state.depthMask(true);
updateInternal(group, camera, depthTexture, Mask.Transparent, false);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
if (!r.state.opaque || r.values.transparencyAverage.ref.value > 0 || r.values.dXrayShaded?.ref.value) {
renderObject(r, 'depth', Flag.None);
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderDepthTransparent');
};
const renderMarkingDepth = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderMarkingDepth');
state.disable(gl.BLEND);
state.enable(gl.DEPTH_TEST);
state.depthMask(true);
updateInternal(group, camera, depthTexture, Mask.All, false);
ValueCell.updateIfChanged(globalUniforms.uMarkingType, MarkingType.Depth);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
if (r.values.markerAverage.ref.value !== 1) {
renderObject(renderables[i], 'marking', Flag.None);
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderMarkingDepth');
};
const renderMarkingMask = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderMarkingMask');
state.disable(gl.BLEND);
state.enable(gl.DEPTH_TEST);
state.depthMask(true);
updateInternal(group, camera, depthTexture, Mask.All, !!depthTexture);
ValueCell.updateIfChanged(globalUniforms.uMarkingType, MarkingType.Mask);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
if (r.values.markerAverage.ref.value > 0) {
renderObject(renderables[i], 'marking', Flag.None);
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderMarkingMask');
};
const renderBlended = (scene: Scene, camera: ICamera) => {
if (scene.hasOpaque) {
renderBlendedOpaque(scene, camera, null);
}
if (scene.opacityAverage < 1) {
renderBlendedTransparent(scene, camera, null);
}
};
const renderBlendedOpaque = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderBlendedOpaque');
state.disable(gl.BLEND);
state.enable(gl.DEPTH_TEST);
state.depthMask(true);
updateInternal(group, camera, depthTexture, Mask.Opaque, false);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
if (r.state.opaque) {
renderObject(r, 'colorBlended', Flag.None);
} else if (r.values.uDoubleSided?.ref.value && r.values.dTransparentBackfaces?.ref.value === 'opaque') {
renderObject(r, 'colorBlended', Flag.BlendedBack);
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderBlendedOpaque');
};
const renderBlendedTransparent = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderBlendedTransparent');
state.enable(gl.DEPTH_TEST);
updateInternal(group, camera, depthTexture, Mask.Transparent, false);
const { renderables } = group;
if (transparentBackground) {
state.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
} else {
state.blendFuncSeparate(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
}
state.enable(gl.BLEND);
state.depthMask(true);
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
if (!r.state.opaque && r.state.writeDepth) {
renderObject(r, 'colorBlended', Flag.None);
}
}
state.depthMask(false);
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
if ((!r.state.opaque && !r.state.writeDepth) || r.values.transparencyAverage.ref.value > 0) {
if (r.values.uDoubleSided?.ref.value) {
// render frontfaces and backfaces separately to avoid artefacts
if (r.values.dTransparentBackfaces?.ref.value !== 'opaque') {
renderObject(r, 'colorBlended', Flag.BlendedBack);
}
renderObject(r, 'colorBlended', Flag.BlendedFront);
} else {
renderObject(r, 'colorBlended', Flag.None);
}
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderBlendedTransparent');
};
const renderBlendedVolume = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderBlendedVolume');
state.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
state.enable(gl.BLEND);
updateInternal(group, camera, depthTexture, Mask.Transparent, false);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
if (r.values.dGeometryType.ref.value === 'directVolume') {
renderObject(r, 'colorBlended', Flag.None);
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderBlendedVolume');
};
const renderWboitOpaque = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderWboitOpaque');
state.disable(gl.BLEND);
state.enable(gl.DEPTH_TEST);
state.depthMask(true);
updateInternal(group, camera, depthTexture, Mask.Opaque, false);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
// TODO: simplify, handle in renderable.state???
// uAlpha is updated in "render" so we need to recompute it here
const alpha = clamp(r.values.alpha.ref.value * r.state.alphaFactor, 0, 1);
if ((alpha === 1 && r.values.transparencyAverage.ref.value !== 1 && r.values.dGeometryType.ref.value !== 'directVolume' && r.values.dPointStyle?.ref.value !== 'fuzzy' && !r.values.dXrayShaded?.ref.value) || r.values.dTransparentBackfaces?.ref.value === 'opaque') {
renderObject(r, 'colorWboit', Flag.None);
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderWboitOpaque');
};
const renderWboitTransparent = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderWboitTransparent');
updateInternal(group, camera, depthTexture, Mask.Transparent, false);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
// TODO: simplify, handle in renderable.state???
// uAlpha is updated in "render" so we need to recompute it here
const alpha = clamp(r.values.alpha.ref.value * r.state.alphaFactor, 0, 1);
if ((alpha < 1 && alpha !== 0) || r.values.transparencyAverage.ref.value > 0 || r.values.dGeometryType.ref.value === 'directVolume' || r.values.dPointStyle?.ref.value === 'fuzzy' || r.values.dGeometryType.ref.value === 'text' || r.values.dXrayShaded?.ref.value) {
renderObject(r, 'colorWboit', Flag.None);
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderWboitTransparent');
};
const renderDpoitOpaque = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderDpoitOpaque');
state.disable(gl.BLEND);
state.enable(gl.DEPTH_TEST);
state.depthMask(true);
updateInternal(group, camera, depthTexture, Mask.Opaque, false);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
// TODO: simplify, handle in renderable.state???
// uAlpha is updated in "render" so we need to recompute it here
const alpha = clamp(r.values.alpha.ref.value * r.state.alphaFactor, 0, 1);
if ((alpha === 1 && r.values.transparencyAverage.ref.value !== 1 && r.values.dPointStyle?.ref.value !== 'fuzzy' && !r.values.dXrayShaded?.ref.value) || r.values.dTransparentBackfaces?.ref.value === 'opaque') {
renderObject(r, 'colorDpoit', Flag.None);
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderDpoitOpaque');
};
const renderDpoitTransparent = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null, dpoitTextures: { depth: Texture, frontColor: Texture, backColor: Texture }) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderDpoitTransparent');
state.enable(gl.BLEND);
arrayMapUpsert(sharedTexturesList, 'tDpoitDepth', dpoitTextures.depth);
arrayMapUpsert(sharedTexturesList, 'tDpoitFrontColor', dpoitTextures.frontColor);
arrayMapUpsert(sharedTexturesList, 'tDpoitBackColor', dpoitTextures.backColor);
updateInternal(group, camera, depthTexture, Mask.Transparent, false);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
// TODO: simplify, handle in renderable.state???
// uAlpha is updated in "render" so we need to recompute it here
const alpha = clamp(r.values.alpha.ref.value * r.state.alphaFactor, 0, 1);
if ((alpha < 1 && alpha !== 0) || r.values.transparencyAverage.ref.value > 0 || r.values.dPointStyle?.ref.value === 'fuzzy' || r.values.dGeometryType.ref.value === 'text' || r.values.dXrayShaded?.ref.value) {
renderObject(r, 'colorDpoit', Flag.None);
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderDpoitTransparent');
};
const renderDpoitVolume = (group: Scene.Group, camera: ICamera, depthTexture: Texture | null) => {
if (isTimingMode) ctx.timer.mark('Renderer.renderDpoitVolume');
state.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
state.enable(gl.BLEND);
updateInternal(group, camera, depthTexture, Mask.Transparent, false);
const { renderables } = group;
for (let i = 0, il = renderables.length; i < il; ++i) {
const r = renderables[i];
if (r.values.dGeometryType.ref.value === 'directVolume') {
renderObject(r, 'colorDpoit', Flag.None);
}
}
if (isTimingMode) ctx.timer.markEnd('Renderer.renderDpoitVolume');
};
return {
clear: (toBackgroundColor: boolean, ignoreTransparentBackground?: boolean) => {
state.enable(gl.SCISSOR_TEST);
state.enable(gl.DEPTH_TEST);
state.colorMask(true, true, true, true);
state.depthMask(true);
if (transparentBackground && !ignoreTransparentBackground) {
state.clearColor(0, 0, 0, 0);
} else if (toBackgroundColor) {
state.clearColor(bgColor[0], bgColor[1], bgColor[2], 1);
} else {
state.clearColor(1, 1, 1, 1);
}
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
},
clearDepth: (packed = false) => { state.enable(gl.SCISSOR_TEST);
if (packed) {
state.colorMask(true, true, true, true);
state.clearColor(1, 1, 1, 1);
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
} else {
state.enable(gl.DEPTH_TEST);
state.depthMask(true);
gl.clear(gl.DEPTH_BUFFER_BIT);
}
},
update,
renderPick,
renderDepth,
renderDepthOpaque,
renderDepthTransparent,
renderMarkingDepth,
renderMarkingMask,
renderBlended,
renderBlendedOpaque,
renderBlendedTransparent,
renderBlendedVolume,
renderWboitOpaque,
renderWboitTransparent,
renderDpoitOpaque,
renderDpoitTransparent,
renderDpoitVolume,
setProps: (props: Partial<RendererProps>) => {
if (props.backgroundColor !== undefined && props.backgroundColor !== p.backgroundColor) {
p.backgroundColor = props.backgroundColor;
Color.toVec3Normalized(bgColor, p.backgroundColor);
ValueCell.update(globalUniforms.uFogColor, Vec3.copy(globalUniforms.uFogColor.ref.value, bgColor));
}
if (props.pickingAlphaThreshold !== undefined && props.pickingAlphaThreshold !== p.pickingAlphaThreshold) {
p.pickingAlphaThreshold = props.pickingAlphaThreshold;
ValueCell.update(globalUniforms.uPickingAlphaThreshold, p.pickingAlphaThreshold);
}
if (props.interiorDarkening !== undefined && props.interiorDarkening !== p.interiorDarkening) {
p.interiorDarkening = props.interiorDarkening;
ValueCell.update(globalUniforms.uInteriorDarkening, p.interiorDarkening);
}
if (props.interiorColorFlag !== undefined && props.interiorColorFlag !== p.interiorColorFlag) {
p.interiorColorFlag = props.interiorColorFlag;
ValueCell.update(globalUniforms.uInteriorColorFlag, p.interiorColorFlag);
}
if (props.interiorColor !== undefined && props.interiorColor !== p.interiorColor) {
p.interiorColor = props.interiorColor;
ValueCell.update(globalUniforms.uInteriorColor, Color.toVec3Normalized(globalUniforms.uInteriorColor.ref.value, p.interiorColor));
}
if (props.colorMarker !== undefined && props.colorMarker !== p.colorMarker) {
p.colorMarker = props.colorMarker;
}
if (props.highlightColor !== undefined && props.highlightColor !== p.highlightColor) {
p.highlightColor = props.highlightColor;
ValueCell.update(globalUniforms.uHighlightColor, Color.toVec3Normalized(globalUniforms.uHighlightColor.ref.value, p.highlightColor));
}
if (props.selectColor !== undefined && props.selectColor !== p.selectColor) {
p.selectColor = props.selectColor;
ValueCell.update(globalUniforms.uSelectColor, Color.toVec3Normalized(globalUniforms.uSelectColor.ref.value, p.selectColor));
}
if (props.dimColor !== undefined && props.dimColor !== p.dimColor) {
p.dimColor = props.dimColor;
ValueCell.update(globalUniforms.uDimColor, Color.toVec3Normalized(globalUniforms.uDimColor.ref.value, p.dimColor));
} if (props.highlightStrength !== undefined && props.highlightStrength !== p.highlightStrength) {
p.highlightStrength = props.highlightStrength;
ValueCell.update(globalUniforms.uHighlightStrength, p.highlightStrength);
}
if (props.selectStrength !== undefined && props.selectStrength !== p.selectStrength) {
p.selectStrength = props.selectStrength;
ValueCell.update(globalUniforms.uSelectStrength, p.selectStrength);
}
if (props.dimStrength !== undefined && props.dimStrength !== p.dimStrength) {
p.dimStrength = props.dimStrength;
ValueCell.update(globalUniforms.uDimStrength, p.dimStrength);
}
if (props.markerPriority !== undefined && props.markerPriority !== p.markerPriority) {
p.markerPriority = props.markerPriority;
ValueCell.update(globalUniforms.uMarkerPriority, p.markerPriority);
}
if (props.xrayEdgeFalloff !== undefined && props.xrayEdgeFalloff !== p.xrayEdgeFalloff) {
p.xrayEdgeFalloff = props.xrayEdgeFalloff;
ValueCell.update(globalUniforms.uXrayEdgeFalloff, p.xrayEdgeFalloff);
}
if (props.exposure !== undefined && props.exposure !== p.exposure) {
p.exposure = props.exposure;
ValueCell.update(globalUniforms.uExposure, p.exposure);
}
if (props.light !== undefined && !deepEqual(props.light, p.light)) {
p.light = props.light;
Object.assign(light, getLight(props.light, light));
ValueCell.update(globalUniforms.uLightDirection, light.direction);
ValueCell.update(globalUniforms.uLightColor, light.color);
}
if (props.ambientColor !== undefined && props.ambientColor !== p.ambientColor) {
p.ambientColor = props.ambientColor;
Vec3.scale(ambientColor, Color.toArrayNormalized(p.ambientColor, ambientColor, 0), p.ambientIntensity);
ValueCell.update(globalUniforms.uAmbientColor, ambientColor);
}
if (props.ambientIntensity !== undefined && props.ambientIntensity !== p.ambientIntensity) {
p.ambientIntensity = props.ambientIntensity;
Vec3.scale(ambientColor, Color.toArrayNormalized(p.ambientColor, ambientColor, 0), p.ambientIntensity);
ValueCell.update(globalUniforms.uAmbientColor, ambientColor);
}
},
setViewport: (x: number, y: number, width: number, height: number) => {
state.viewport(x, y, width, height);
state.scissor(x, y, width, height);
if (x !== viewport.x || y !== viewport.y || width !== viewport.width || height !== viewport.height) {
Viewport.set(viewport, x, y, width, height);
ValueCell.update(globalUniforms.uViewport, Vec4.set(globalUniforms.uViewport.ref.value, x, y, width, height));
}
},
setTransparentBackground: (value: boolean) => {
transparentBackground = value;
},
setDrawingBufferSize: (width: number, height: number) => {
if (width !== drawingBufferSize[0] || height !== drawingBufferSize[1]) {
ValueCell.update(globalUniforms.uDrawingBufferSize, Vec2.set(drawingBufferSize, width, height));
}
},
setPixelRatio: (value: number) => {
ValueCell.update(globalUniforms.uPixelRatio, value);
},
props: p,
get stats(): RendererStats {
return {
programCount: ctx.stats.resourceCounts.program,
shaderCount: ctx.stats.resourceCounts.shader,
attributeCount: ctx.stats.resourceCounts.attribute, elementsCount: ctx.stats.resourceCounts.elements,
framebufferCount: ctx.stats.resourceCounts.framebuffer,
renderbufferCount: ctx.stats.resourceCounts.renderbuffer,
textureCount: ctx.stats.resourceCounts.texture,
vertexArrayCount: ctx.stats.resourceCounts.vertexArray,
drawCount: stats.drawCount,
instanceCount: stats.instanceCount,
instancedDrawCount: stats.instancedDrawCount,
};
},
get light(): Light {
return light;
},
dispose: () => {
// TODO
}
};
}
}
export { Renderer };