fireball/lib/renderers/WebGLRenderer.js

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2018-12-25 13:59:22 +00:00
import {
REVISION,
RGBAFormat,
HalfFloatType,
FloatType,
UnsignedByteType,
TriangleFanDrawMode,
TriangleStripDrawMode,
TrianglesDrawMode,
LinearToneMapping,
BackSide
} from '../constants.js';
import { _Math } from '../math/Math.js';
import { DataTexture } from '../textures/DataTexture.js';
import { Frustum } from '../math/Frustum.js';
import { Matrix4 } from '../math/Matrix4.js';
import { ShaderLib } from './shaders/ShaderLib.js';
import { UniformsLib } from './shaders/UniformsLib.js';
import { UniformsUtils } from './shaders/UniformsUtils.js';
import { Vector3 } from '../math/Vector3.js';
import { Vector4 } from '../math/Vector4.js';
import { WebGLAnimation } from './webgl/WebGLAnimation.js';
import { WebGLAttributes } from './webgl/WebGLAttributes.js';
import { WebGLBackground } from './webgl/WebGLBackground.js';
import { WebGLBufferRenderer } from './webgl/WebGLBufferRenderer.js';
import { WebGLCapabilities } from './webgl/WebGLCapabilities.js';
import { WebGLClipping } from './webgl/WebGLClipping.js';
import { WebGLExtensions } from './webgl/WebGLExtensions.js';
import { WebGLGeometries } from './webgl/WebGLGeometries.js';
import { WebGLIndexedBufferRenderer } from './webgl/WebGLIndexedBufferRenderer.js';
import { WebGLInfo } from './webgl/WebGLInfo.js';
import { WebGLMorphtargets } from './webgl/WebGLMorphtargets.js';
import { WebGLObjects } from './webgl/WebGLObjects.js';
import { WebGLPrograms } from './webgl/WebGLPrograms.js';
import { WebGLProperties } from './webgl/WebGLProperties.js';
import { WebGLRenderLists } from './webgl/WebGLRenderLists.js';
import { WebGLRenderStates } from './webgl/WebGLRenderStates.js';
import { WebGLShadowMap } from './webgl/WebGLShadowMap.js';
import { WebGLState } from './webgl/WebGLState.js';
import { WebGLTextures } from './webgl/WebGLTextures.js';
import { WebGLUniforms } from './webgl/WebGLUniforms.js';
import { WebGLUtils } from './webgl/WebGLUtils.js';
import { WebVRManager } from './webvr/WebVRManager.js';
import { WebXRManager } from './webvr/WebXRManager.js';
/**
* @author supereggbert / http://www.paulbrunt.co.uk/
* @author mrdoob / http://mrdoob.com/
* @author alteredq / http://alteredqualia.com/
* @author szimek / https://github.com/szimek/
* @author tschw
*/
function WebGLRenderer( parameters ) {
console.log( 'THREE.WebGLRenderer', REVISION );
parameters = parameters || {};
var _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ),
_context = parameters.context !== undefined ? parameters.context : null,
_alpha = parameters.alpha !== undefined ? parameters.alpha : false,
_depth = parameters.depth !== undefined ? parameters.depth : true,
_stencil = parameters.stencil !== undefined ? parameters.stencil : true,
_antialias = parameters.antialias !== undefined ? parameters.antialias : false,
_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,
_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false,
_powerPreference = parameters.powerPreference !== undefined ? parameters.powerPreference : 'default';
var currentRenderList = null;
var currentRenderState = null;
// public properties
this.domElement = _canvas;
this.context = null;
// clearing
this.autoClear = true;
this.autoClearColor = true;
this.autoClearDepth = true;
this.autoClearStencil = true;
// scene graph
this.sortObjects = true;
// user-defined clipping
this.clippingPlanes = [];
this.localClippingEnabled = false;
// physically based shading
this.gammaFactor = 2.0; // for backwards compatibility
this.gammaInput = false;
this.gammaOutput = false;
// physical lights
this.physicallyCorrectLights = false;
// tone mapping
this.toneMapping = LinearToneMapping;
this.toneMappingExposure = 1.0;
this.toneMappingWhitePoint = 1.0;
// morphs
this.maxMorphTargets = 8;
this.maxMorphNormals = 4;
// internal properties
var _this = this,
_isContextLost = false,
// internal state cache
_framebuffer = null,
_currentRenderTarget = null,
_currentFramebuffer = null,
_currentMaterialId = - 1,
// geometry and program caching
_currentGeometryProgram = {
geometry: null,
program: null,
wireframe: false
},
_currentCamera = null,
_currentArrayCamera = null,
_currentViewport = new Vector4(),
_currentScissor = new Vector4(),
_currentScissorTest = null,
//
_usedTextureUnits = 0,
//
_width = _canvas.width,
_height = _canvas.height,
_pixelRatio = 1,
_viewport = new Vector4( 0, 0, _width, _height ),
_scissor = new Vector4( 0, 0, _width, _height ),
_scissorTest = false,
// frustum
_frustum = new Frustum(),
// clipping
_clipping = new WebGLClipping(),
_clippingEnabled = false,
_localClippingEnabled = false,
// camera matrices cache
_projScreenMatrix = new Matrix4(),
_vector3 = new Vector3();
function getTargetPixelRatio() {
return _currentRenderTarget === null ? _pixelRatio : 1;
}
// initialize
var _gl;
try {
var contextAttributes = {
alpha: _alpha,
depth: _depth,
stencil: _stencil,
antialias: _antialias,
premultipliedAlpha: _premultipliedAlpha,
preserveDrawingBuffer: _preserveDrawingBuffer,
powerPreference: _powerPreference
};
// event listeners must be registered before WebGL context is created, see #12753
_canvas.addEventListener( 'webglcontextlost', onContextLost, false );
_canvas.addEventListener( 'webglcontextrestored', onContextRestore, false );
_gl = _context || _canvas.getContext( 'webgl', contextAttributes ) || _canvas.getContext( 'experimental-webgl', contextAttributes );
if ( _gl === null ) {
if ( _canvas.getContext( 'webgl' ) !== null ) {
throw new Error( 'Error creating WebGL context with your selected attributes.' );
} else {
throw new Error( 'Error creating WebGL context.' );
}
}
// Some experimental-webgl implementations do not have getShaderPrecisionFormat
if ( _gl.getShaderPrecisionFormat === undefined ) {
_gl.getShaderPrecisionFormat = function () {
return { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };
};
}
} catch ( error ) {
console.error( 'THREE.WebGLRenderer: ' + error.message );
}
var extensions, capabilities, state, info;
var properties, textures, attributes, geometries, objects;
var programCache, renderLists, renderStates;
var background, morphtargets, bufferRenderer, indexedBufferRenderer;
var utils;
function initGLContext() {
extensions = new WebGLExtensions( _gl );
capabilities = new WebGLCapabilities( _gl, extensions, parameters );
if ( ! capabilities.isWebGL2 ) {
extensions.get( 'WEBGL_depth_texture' );
extensions.get( 'OES_texture_float' );
extensions.get( 'OES_texture_half_float' );
extensions.get( 'OES_texture_half_float_linear' );
extensions.get( 'OES_standard_derivatives' );
extensions.get( 'OES_element_index_uint' );
extensions.get( 'ANGLE_instanced_arrays' );
}
extensions.get( 'OES_texture_float_linear' );
utils = new WebGLUtils( _gl, extensions, capabilities );
state = new WebGLState( _gl, extensions, utils, capabilities );
state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );
state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );
info = new WebGLInfo( _gl );
properties = new WebGLProperties();
textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info );
attributes = new WebGLAttributes( _gl );
geometries = new WebGLGeometries( _gl, attributes, info );
objects = new WebGLObjects( geometries, info );
morphtargets = new WebGLMorphtargets( _gl );
programCache = new WebGLPrograms( _this, extensions, capabilities );
renderLists = new WebGLRenderLists();
renderStates = new WebGLRenderStates();
background = new WebGLBackground( _this, state, objects, _premultipliedAlpha );
bufferRenderer = new WebGLBufferRenderer( _gl, extensions, info, capabilities );
indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info, capabilities );
info.programs = programCache.programs;
_this.context = _gl;
_this.capabilities = capabilities;
_this.extensions = extensions;
_this.properties = properties;
_this.renderLists = renderLists;
_this.state = state;
_this.info = info;
}
initGLContext();
// vr
var vr = null;
if ( typeof navigator !== 'undefined' ) {
vr = ( 'xr' in navigator ) ? new WebXRManager( _this ) : new WebVRManager( _this );
}
this.vr = vr;
// shadow map
var shadowMap = new WebGLShadowMap( _this, objects, capabilities.maxTextureSize );
this.shadowMap = shadowMap;
// API
this.getContext = function () {
return _gl;
};
this.getContextAttributes = function () {
return _gl.getContextAttributes();
};
this.forceContextLoss = function () {
var extension = extensions.get( 'WEBGL_lose_context' );
if ( extension ) extension.loseContext();
};
this.forceContextRestore = function () {
var extension = extensions.get( 'WEBGL_lose_context' );
if ( extension ) extension.restoreContext();
};
this.getPixelRatio = function () {
return _pixelRatio;
};
this.setPixelRatio = function ( value ) {
if ( value === undefined ) return;
_pixelRatio = value;
this.setSize( _width, _height, false );
};
this.getSize = function () {
return {
width: _width,
height: _height
};
};
this.setSize = function ( width, height, updateStyle ) {
if ( vr.isPresenting() ) {
console.warn( 'THREE.WebGLRenderer: Can\'t change size while VR device is presenting.' );
return;
}
_width = width;
_height = height;
_canvas.width = width * _pixelRatio;
_canvas.height = height * _pixelRatio;
if ( updateStyle !== false ) {
_canvas.style.width = width + 'px';
_canvas.style.height = height + 'px';
}
this.setViewport( 0, 0, width, height );
};
this.getDrawingBufferSize = function () {
return {
width: _width * _pixelRatio,
height: _height * _pixelRatio
};
};
this.setDrawingBufferSize = function ( width, height, pixelRatio ) {
_width = width;
_height = height;
_pixelRatio = pixelRatio;
_canvas.width = width * pixelRatio;
_canvas.height = height * pixelRatio;
this.setViewport( 0, 0, width, height );
};
this.getCurrentViewport = function () {
return _currentViewport;
};
this.setViewport = function ( x, y, width, height ) {
_viewport.set( x, _height - y - height, width, height );
state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );
};
this.setScissor = function ( x, y, width, height ) {
_scissor.set( x, _height - y - height, width, height );
state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );
};
this.setScissorTest = function ( boolean ) {
state.setScissorTest( _scissorTest = boolean );
};
// Clearing
this.getClearColor = function () {
return background.getClearColor();
};
this.setClearColor = function () {
background.setClearColor.apply( background, arguments );
};
this.getClearAlpha = function () {
return background.getClearAlpha();
};
this.setClearAlpha = function () {
background.setClearAlpha.apply( background, arguments );
};
this.clear = function ( color, depth, stencil ) {
var bits = 0;
if ( color === undefined || color ) bits |= _gl.COLOR_BUFFER_BIT;
if ( depth === undefined || depth ) bits |= _gl.DEPTH_BUFFER_BIT;
if ( stencil === undefined || stencil ) bits |= _gl.STENCIL_BUFFER_BIT;
_gl.clear( bits );
};
this.clearColor = function () {
this.clear( true, false, false );
};
this.clearDepth = function () {
this.clear( false, true, false );
};
this.clearStencil = function () {
this.clear( false, false, true );
};
//
this.dispose = function () {
_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );
_canvas.removeEventListener( 'webglcontextrestored', onContextRestore, false );
renderLists.dispose();
renderStates.dispose();
properties.dispose();
objects.dispose();
vr.dispose();
animation.stop();
};
// Events
function onContextLost( event ) {
event.preventDefault();
console.log( 'THREE.WebGLRenderer: Context Lost.' );
_isContextLost = true;
}
function onContextRestore( /* event */ ) {
console.log( 'THREE.WebGLRenderer: Context Restored.' );
_isContextLost = false;
initGLContext();
}
function onMaterialDispose( event ) {
var material = event.target;
material.removeEventListener( 'dispose', onMaterialDispose );
deallocateMaterial( material );
}
// Buffer deallocation
function deallocateMaterial( material ) {
releaseMaterialProgramReference( material );
properties.remove( material );
}
function releaseMaterialProgramReference( material ) {
var programInfo = properties.get( material ).program;
material.program = undefined;
if ( programInfo !== undefined ) {
programCache.releaseProgram( programInfo );
}
}
// Buffer rendering
function renderObjectImmediate( object, program ) {
object.render( function ( object ) {
_this.renderBufferImmediate( object, program );
} );
}
this.renderBufferImmediate = function ( object, program ) {
state.initAttributes();
var buffers = properties.get( object );
if ( object.hasPositions && ! buffers.position ) buffers.position = _gl.createBuffer();
if ( object.hasNormals && ! buffers.normal ) buffers.normal = _gl.createBuffer();
if ( object.hasUvs && ! buffers.uv ) buffers.uv = _gl.createBuffer();
if ( object.hasColors && ! buffers.color ) buffers.color = _gl.createBuffer();
var programAttributes = program.getAttributes();
if ( object.hasPositions ) {
_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.position );
_gl.bufferData( _gl.ARRAY_BUFFER, object.positionArray, _gl.DYNAMIC_DRAW );
state.enableAttribute( programAttributes.position );
_gl.vertexAttribPointer( programAttributes.position, 3, _gl.FLOAT, false, 0, 0 );
}
if ( object.hasNormals ) {
_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.normal );
_gl.bufferData( _gl.ARRAY_BUFFER, object.normalArray, _gl.DYNAMIC_DRAW );
state.enableAttribute( programAttributes.normal );
_gl.vertexAttribPointer( programAttributes.normal, 3, _gl.FLOAT, false, 0, 0 );
}
if ( object.hasUvs ) {
_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.uv );
_gl.bufferData( _gl.ARRAY_BUFFER, object.uvArray, _gl.DYNAMIC_DRAW );
state.enableAttribute( programAttributes.uv );
_gl.vertexAttribPointer( programAttributes.uv, 2, _gl.FLOAT, false, 0, 0 );
}
if ( object.hasColors ) {
_gl.bindBuffer( _gl.ARRAY_BUFFER, buffers.color );
_gl.bufferData( _gl.ARRAY_BUFFER, object.colorArray, _gl.DYNAMIC_DRAW );
state.enableAttribute( programAttributes.color );
_gl.vertexAttribPointer( programAttributes.color, 3, _gl.FLOAT, false, 0, 0 );
}
state.disableUnusedAttributes();
_gl.drawArrays( _gl.TRIANGLES, 0, object.count );
object.count = 0;
};
this.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {
var frontFaceCW = ( object.isMesh && object.normalMatrix.determinant() < 0 );
state.setMaterial( material, frontFaceCW );
var program = setProgram( camera, fog, material, object );
var updateBuffers = false;
if ( _currentGeometryProgram.geometry !== geometry.id ||
_currentGeometryProgram.program !== program.id ||
_currentGeometryProgram.wireframe !== ( material.wireframe === true ) ) {
_currentGeometryProgram.geometry = geometry.id;
_currentGeometryProgram.program = program.id;
_currentGeometryProgram.wireframe = material.wireframe === true;
updateBuffers = true;
}
if ( object.morphTargetInfluences ) {
morphtargets.update( object, geometry, material, program );
updateBuffers = true;
}
//
var index = geometry.index;
var position = geometry.attributes.position;
var rangeFactor = 1;
if ( material.wireframe === true ) {
index = geometries.getWireframeAttribute( geometry );
rangeFactor = 2;
}
var attribute;
var renderer = bufferRenderer;
if ( index !== null ) {
attribute = attributes.get( index );
renderer = indexedBufferRenderer;
renderer.setIndex( attribute );
}
if ( updateBuffers ) {
setupVertexAttributes( material, program, geometry );
if ( index !== null ) {
_gl.bindBuffer( _gl.ELEMENT_ARRAY_BUFFER, attribute.buffer );
}
}
//
var dataCount = Infinity;
if ( index !== null ) {
dataCount = index.count;
} else if ( position !== undefined ) {
dataCount = position.count;
}
var rangeStart = geometry.drawRange.start * rangeFactor;
var rangeCount = geometry.drawRange.count * rangeFactor;
var groupStart = group !== null ? group.start * rangeFactor : 0;
var groupCount = group !== null ? group.count * rangeFactor : Infinity;
var drawStart = Math.max( rangeStart, groupStart );
var drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;
var drawCount = Math.max( 0, drawEnd - drawStart + 1 );
if ( drawCount === 0 ) return;
//
if ( object.isMesh ) {
if ( material.wireframe === true ) {
state.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );
renderer.setMode( _gl.LINES );
} else {
switch ( object.drawMode ) {
case TrianglesDrawMode:
renderer.setMode( _gl.TRIANGLES );
break;
case TriangleStripDrawMode:
renderer.setMode( _gl.TRIANGLE_STRIP );
break;
case TriangleFanDrawMode:
renderer.setMode( _gl.TRIANGLE_FAN );
break;
}
}
} else if ( object.isLine ) {
var lineWidth = material.linewidth;
if ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material
state.setLineWidth( lineWidth * getTargetPixelRatio() );
if ( object.isLineSegments ) {
renderer.setMode( _gl.LINES );
} else if ( object.isLineLoop ) {
renderer.setMode( _gl.LINE_LOOP );
} else {
renderer.setMode( _gl.LINE_STRIP );
}
} else if ( object.isPoints ) {
renderer.setMode( _gl.POINTS );
} else if ( object.isSprite ) {
renderer.setMode( _gl.TRIANGLES );
}
if ( geometry && geometry.isInstancedBufferGeometry ) {
if ( geometry.maxInstancedCount > 0 ) {
renderer.renderInstances( geometry, drawStart, drawCount );
}
} else {
renderer.render( drawStart, drawCount );
}
};
function setupVertexAttributes( material, program, geometry ) {
if ( geometry && geometry.isInstancedBufferGeometry & ! capabilities.isWebGL2 ) {
if ( extensions.get( 'ANGLE_instanced_arrays' ) === null ) {
console.error( 'THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );
return;
}
}
state.initAttributes();
var geometryAttributes = geometry.attributes;
var programAttributes = program.getAttributes();
var materialDefaultAttributeValues = material.defaultAttributeValues;
for ( var name in programAttributes ) {
var programAttribute = programAttributes[ name ];
if ( programAttribute >= 0 ) {
var geometryAttribute = geometryAttributes[ name ];
if ( geometryAttribute !== undefined ) {
var normalized = geometryAttribute.normalized;
var size = geometryAttribute.itemSize;
var attribute = attributes.get( geometryAttribute );
// TODO Attribute may not be available on context restore
if ( attribute === undefined ) continue;
var buffer = attribute.buffer;
var type = attribute.type;
var bytesPerElement = attribute.bytesPerElement;
if ( geometryAttribute.isInterleavedBufferAttribute ) {
var data = geometryAttribute.data;
var stride = data.stride;
var offset = geometryAttribute.offset;
if ( data && data.isInstancedInterleavedBuffer ) {
state.enableAttributeAndDivisor( programAttribute, data.meshPerAttribute );
if ( geometry.maxInstancedCount === undefined ) {
geometry.maxInstancedCount = data.meshPerAttribute * data.count;
}
} else {
state.enableAttribute( programAttribute );
}
_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );
_gl.vertexAttribPointer( programAttribute, size, type, normalized, stride * bytesPerElement, offset * bytesPerElement );
} else {
if ( geometryAttribute.isInstancedBufferAttribute ) {
state.enableAttributeAndDivisor( programAttribute, geometryAttribute.meshPerAttribute );
if ( geometry.maxInstancedCount === undefined ) {
geometry.maxInstancedCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;
}
} else {
state.enableAttribute( programAttribute );
}
_gl.bindBuffer( _gl.ARRAY_BUFFER, buffer );
_gl.vertexAttribPointer( programAttribute, size, type, normalized, 0, 0 );
}
} else if ( materialDefaultAttributeValues !== undefined ) {
var value = materialDefaultAttributeValues[ name ];
if ( value !== undefined ) {
switch ( value.length ) {
case 2:
_gl.vertexAttrib2fv( programAttribute, value );
break;
case 3:
_gl.vertexAttrib3fv( programAttribute, value );
break;
case 4:
_gl.vertexAttrib4fv( programAttribute, value );
break;
default:
_gl.vertexAttrib1fv( programAttribute, value );
}
}
}
}
}
state.disableUnusedAttributes();
}
// Compile
this.compile = function ( scene, camera ) {
currentRenderState = renderStates.get( scene, camera );
currentRenderState.init();
scene.traverse( function ( object ) {
if ( object.isLight ) {
currentRenderState.pushLight( object );
if ( object.castShadow ) {
currentRenderState.pushShadow( object );
}
}
} );
currentRenderState.setupLights( camera );
scene.traverse( function ( object ) {
if ( object.material ) {
if ( Array.isArray( object.material ) ) {
for ( var i = 0; i < object.material.length; i ++ ) {
initMaterial( object.material[ i ], scene.fog, object );
}
} else {
initMaterial( object.material, scene.fog, object );
}
}
} );
};
// Animation Loop
var onAnimationFrameCallback = null;
function onAnimationFrame( time ) {
if ( vr.isPresenting() ) return;
if ( onAnimationFrameCallback ) onAnimationFrameCallback( time );
}
var animation = new WebGLAnimation();
animation.setAnimationLoop( onAnimationFrame );
if ( typeof window !== 'undefined' ) animation.setContext( window );
this.setAnimationLoop = function ( callback ) {
onAnimationFrameCallback = callback;
vr.setAnimationLoop( callback );
animation.start();
};
// Rendering
this.render = function ( scene, camera, renderTarget, forceClear ) {
if ( ! ( camera && camera.isCamera ) ) {
console.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );
return;
}
if ( _isContextLost ) return;
// reset caching for this frame
_currentGeometryProgram.geometry = null;
_currentGeometryProgram.program = null;
_currentGeometryProgram.wireframe = false;
_currentMaterialId = - 1;
_currentCamera = null;
// update scene graph
if ( scene.autoUpdate === true ) scene.updateMatrixWorld();
// update camera matrices and frustum
if ( camera.parent === null ) camera.updateMatrixWorld();
if ( vr.enabled ) {
camera = vr.getCamera( camera );
}
//
currentRenderState = renderStates.get( scene, camera );
currentRenderState.init();
scene.onBeforeRender( _this, scene, camera, renderTarget );
_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );
_frustum.setFromMatrix( _projScreenMatrix );
_localClippingEnabled = this.localClippingEnabled;
_clippingEnabled = _clipping.init( this.clippingPlanes, _localClippingEnabled, camera );
currentRenderList = renderLists.get( scene, camera );
currentRenderList.init();
projectObject( scene, camera, _this.sortObjects );
if ( _this.sortObjects === true ) {
currentRenderList.sort();
}
//
if ( _clippingEnabled ) _clipping.beginShadows();
var shadowsArray = currentRenderState.state.shadowsArray;
shadowMap.render( shadowsArray, scene, camera );
currentRenderState.setupLights( camera );
if ( _clippingEnabled ) _clipping.endShadows();
//
if ( this.info.autoReset ) this.info.reset();
if ( renderTarget === undefined ) {
renderTarget = null;
}
this.setRenderTarget( renderTarget );
//
background.render( currentRenderList, scene, camera, forceClear );
// render scene
var opaqueObjects = currentRenderList.opaque;
var transparentObjects = currentRenderList.transparent;
if ( scene.overrideMaterial ) {
var overrideMaterial = scene.overrideMaterial;
if ( opaqueObjects.length ) renderObjects( opaqueObjects, scene, camera, overrideMaterial );
if ( transparentObjects.length ) renderObjects( transparentObjects, scene, camera, overrideMaterial );
} else {
// opaque pass (front-to-back order)
if ( opaqueObjects.length ) renderObjects( opaqueObjects, scene, camera );
// transparent pass (back-to-front order)
if ( transparentObjects.length ) renderObjects( transparentObjects, scene, camera );
}
// Generate mipmap if we're using any kind of mipmap filtering
if ( renderTarget ) {
textures.updateRenderTargetMipmap( renderTarget );
}
// Ensure depth buffer writing is enabled so it can be cleared on next render
state.buffers.depth.setTest( true );
state.buffers.depth.setMask( true );
state.buffers.color.setMask( true );
state.setPolygonOffset( false );
scene.onAfterRender( _this, scene, camera );
if ( vr.enabled ) {
vr.submitFrame();
}
// _gl.finish();
currentRenderList = null;
currentRenderState = null;
};
function projectObject( object, camera, sortObjects ) {
if ( object.visible === false ) return;
var visible = object.layers.test( camera.layers );
if ( visible ) {
if ( object.isLight ) {
currentRenderState.pushLight( object );
if ( object.castShadow ) {
currentRenderState.pushShadow( object );
}
} else if ( object.isSprite ) {
if ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) {
if ( sortObjects ) {
_vector3.setFromMatrixPosition( object.matrixWorld )
.applyMatrix4( _projScreenMatrix );
}
var geometry = objects.update( object );
var material = object.material;
currentRenderList.push( object, geometry, material, _vector3.z, null );
}
} else if ( object.isImmediateRenderObject ) {
if ( sortObjects ) {
_vector3.setFromMatrixPosition( object.matrixWorld )
.applyMatrix4( _projScreenMatrix );
}
currentRenderList.push( object, null, object.material, _vector3.z, null );
} else if ( object.isMesh || object.isLine || object.isPoints ) {
if ( object.isSkinnedMesh ) {
object.skeleton.update();
}
if ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {
if ( sortObjects ) {
_vector3.setFromMatrixPosition( object.matrixWorld )
.applyMatrix4( _projScreenMatrix );
}
var geometry = objects.update( object );
var material = object.material;
if ( Array.isArray( material ) ) {
var groups = geometry.groups;
for ( var i = 0, l = groups.length; i < l; i ++ ) {
var group = groups[ i ];
var groupMaterial = material[ group.materialIndex ];
if ( groupMaterial && groupMaterial.visible ) {
currentRenderList.push( object, geometry, groupMaterial, _vector3.z, group );
}
}
} else if ( material.visible ) {
currentRenderList.push( object, geometry, material, _vector3.z, null );
}
}
}
}
var children = object.children;
for ( var i = 0, l = children.length; i < l; i ++ ) {
projectObject( children[ i ], camera, sortObjects );
}
}
function renderObjects( renderList, scene, camera, overrideMaterial ) {
for ( var i = 0, l = renderList.length; i < l; i ++ ) {
var renderItem = renderList[ i ];
var object = renderItem.object;
var geometry = renderItem.geometry;
var material = overrideMaterial === undefined ? renderItem.material : overrideMaterial;
var group = renderItem.group;
if ( camera.isArrayCamera ) {
_currentArrayCamera = camera;
var cameras = camera.cameras;
for ( var j = 0, jl = cameras.length; j < jl; j ++ ) {
var camera2 = cameras[ j ];
if ( object.layers.test( camera2.layers ) ) {
if ( 'viewport' in camera2 ) { // XR
state.viewport( _currentViewport.copy( camera2.viewport ) );
} else {
var bounds = camera2.bounds;
var x = bounds.x * _width;
var y = bounds.y * _height;
var width = bounds.z * _width;
var height = bounds.w * _height;
state.viewport( _currentViewport.set( x, y, width, height ).multiplyScalar( _pixelRatio ) );
}
currentRenderState.setupLights( camera2 );
renderObject( object, scene, camera2, geometry, material, group );
}
}
} else {
_currentArrayCamera = null;
renderObject( object, scene, camera, geometry, material, group );
}
}
}
function renderObject( object, scene, camera, geometry, material, group ) {
object.onBeforeRender( _this, scene, camera, geometry, material, group );
currentRenderState = renderStates.get( scene, _currentArrayCamera || camera );
object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );
object.normalMatrix.getNormalMatrix( object.modelViewMatrix );
if ( object.isImmediateRenderObject ) {
state.setMaterial( material );
var program = setProgram( camera, scene.fog, material, object );
_currentGeometryProgram.geometry = null;
_currentGeometryProgram.program = null;
_currentGeometryProgram.wireframe = false;
renderObjectImmediate( object, program );
} else {
_this.renderBufferDirect( camera, scene.fog, geometry, material, object, group );
}
object.onAfterRender( _this, scene, camera, geometry, material, group );
currentRenderState = renderStates.get( scene, _currentArrayCamera || camera );
}
function initMaterial( material, fog, object ) {
var materialProperties = properties.get( material );
var lights = currentRenderState.state.lights;
var shadowsArray = currentRenderState.state.shadowsArray;
var lightsHash = materialProperties.lightsHash;
var lightsStateHash = lights.state.hash;
var parameters = programCache.getParameters(
material, lights.state, shadowsArray, fog, _clipping.numPlanes, _clipping.numIntersection, object );
var code = programCache.getProgramCode( material, parameters );
var program = materialProperties.program;
var programChange = true;
if ( program === undefined ) {
// new material
material.addEventListener( 'dispose', onMaterialDispose );
} else if ( program.code !== code ) {
// changed glsl or parameters
releaseMaterialProgramReference( material );
} else if ( lightsHash.stateID !== lightsStateHash.stateID ||
lightsHash.directionalLength !== lightsStateHash.directionalLength ||
lightsHash.pointLength !== lightsStateHash.pointLength ||
lightsHash.spotLength !== lightsStateHash.spotLength ||
lightsHash.rectAreaLength !== lightsStateHash.rectAreaLength ||
lightsHash.hemiLength !== lightsStateHash.hemiLength ||
lightsHash.shadowsLength !== lightsStateHash.shadowsLength ) {
lightsHash.stateID = lightsStateHash.stateID;
lightsHash.directionalLength = lightsStateHash.directionalLength;
lightsHash.pointLength = lightsStateHash.pointLength;
lightsHash.spotLength = lightsStateHash.spotLength;
lightsHash.rectAreaLength = lightsStateHash.rectAreaLength;
lightsHash.hemiLength = lightsStateHash.hemiLength;
lightsHash.shadowsLength = lightsStateHash.shadowsLength;
programChange = false;
} else if ( parameters.shaderID !== undefined ) {
// same glsl and uniform list
return;
} else {
// only rebuild uniform list
programChange = false;
}
if ( programChange ) {
if ( parameters.shaderID ) {
var shader = ShaderLib[ parameters.shaderID ];
materialProperties.shader = {
name: material.type,
uniforms: UniformsUtils.clone( shader.uniforms ),
vertexShader: shader.vertexShader,
fragmentShader: shader.fragmentShader
};
} else {
materialProperties.shader = {
name: material.type,
uniforms: material.uniforms,
vertexShader: material.vertexShader,
fragmentShader: material.fragmentShader
};
}
material.onBeforeCompile( materialProperties.shader, _this );
// Computing code again as onBeforeCompile may have changed the shaders
code = programCache.getProgramCode( material, parameters );
program = programCache.acquireProgram( material, materialProperties.shader, parameters, code );
materialProperties.program = program;
material.program = program;
}
var programAttributes = program.getAttributes();
if ( material.morphTargets ) {
material.numSupportedMorphTargets = 0;
for ( var i = 0; i < _this.maxMorphTargets; i ++ ) {
if ( programAttributes[ 'morphTarget' + i ] >= 0 ) {
material.numSupportedMorphTargets ++;
}
}
}
if ( material.morphNormals ) {
material.numSupportedMorphNormals = 0;
for ( var i = 0; i < _this.maxMorphNormals; i ++ ) {
if ( programAttributes[ 'morphNormal' + i ] >= 0 ) {
material.numSupportedMorphNormals ++;
}
}
}
var uniforms = materialProperties.shader.uniforms;
if ( ! material.isShaderMaterial &&
! material.isRawShaderMaterial ||
material.clipping === true ) {
materialProperties.numClippingPlanes = _clipping.numPlanes;
materialProperties.numIntersection = _clipping.numIntersection;
uniforms.clippingPlanes = _clipping.uniform;
}
materialProperties.fog = fog;
// store the light setup it was created for
if ( lightsHash === undefined ) {
materialProperties.lightsHash = lightsHash = {};
}
lightsHash.stateID = lightsStateHash.stateID;
lightsHash.directionalLength = lightsStateHash.directionalLength;
lightsHash.pointLength = lightsStateHash.pointLength;
lightsHash.spotLength = lightsStateHash.spotLength;
lightsHash.rectAreaLength = lightsStateHash.rectAreaLength;
lightsHash.hemiLength = lightsStateHash.hemiLength;
lightsHash.shadowsLength = lightsStateHash.shadowsLength;
if ( material.lights ) {
// wire up the material to this renderer's lighting state
uniforms.ambientLightColor.value = lights.state.ambient;
uniforms.directionalLights.value = lights.state.directional;
uniforms.spotLights.value = lights.state.spot;
uniforms.rectAreaLights.value = lights.state.rectArea;
uniforms.pointLights.value = lights.state.point;
uniforms.hemisphereLights.value = lights.state.hemi;
uniforms.directionalShadowMap.value = lights.state.directionalShadowMap;
uniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;
uniforms.spotShadowMap.value = lights.state.spotShadowMap;
uniforms.spotShadowMatrix.value = lights.state.spotShadowMatrix;
uniforms.pointShadowMap.value = lights.state.pointShadowMap;
uniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;
// TODO (abelnation): add area lights shadow info to uniforms
}
var progUniforms = materialProperties.program.getUniforms(),
uniformsList =
WebGLUniforms.seqWithValue( progUniforms.seq, uniforms );
materialProperties.uniformsList = uniformsList;
}
function setProgram( camera, fog, material, object ) {
_usedTextureUnits = 0;
var materialProperties = properties.get( material );
var lights = currentRenderState.state.lights;
var lightsHash = materialProperties.lightsHash;
var lightsStateHash = lights.state.hash;
if ( _clippingEnabled ) {
if ( _localClippingEnabled || camera !== _currentCamera ) {
var useCache =
camera === _currentCamera &&
material.id === _currentMaterialId;
// we might want to call this function with some ClippingGroup
// object instead of the material, once it becomes feasible
// (#8465, #8379)
_clipping.setState(
material.clippingPlanes, material.clipIntersection, material.clipShadows,
camera, materialProperties, useCache );
}
}
if ( material.needsUpdate === false ) {
if ( materialProperties.program === undefined ) {
material.needsUpdate = true;
} else if ( material.fog && materialProperties.fog !== fog ) {
material.needsUpdate = true;
} else if ( material.lights && ( lightsHash.stateID !== lightsStateHash.stateID ||
lightsHash.directionalLength !== lightsStateHash.directionalLength ||
lightsHash.pointLength !== lightsStateHash.pointLength ||
lightsHash.spotLength !== lightsStateHash.spotLength ||
lightsHash.rectAreaLength !== lightsStateHash.rectAreaLength ||
lightsHash.hemiLength !== lightsStateHash.hemiLength ||
lightsHash.shadowsLength !== lightsStateHash.shadowsLength ) ) {
material.needsUpdate = true;
} else if ( materialProperties.numClippingPlanes !== undefined &&
( materialProperties.numClippingPlanes !== _clipping.numPlanes ||
materialProperties.numIntersection !== _clipping.numIntersection ) ) {
material.needsUpdate = true;
}
}
if ( material.needsUpdate ) {
initMaterial( material, fog, object );
material.needsUpdate = false;
}
var refreshProgram = false;
var refreshMaterial = false;
var refreshLights = false;
var program = materialProperties.program,
p_uniforms = program.getUniforms(),
m_uniforms = materialProperties.shader.uniforms;
if ( state.useProgram( program.program ) ) {
refreshProgram = true;
refreshMaterial = true;
refreshLights = true;
}
if ( material.id !== _currentMaterialId ) {
_currentMaterialId = material.id;
refreshMaterial = true;
}
if ( refreshProgram || _currentCamera !== camera ) {
p_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix );
if ( capabilities.logarithmicDepthBuffer ) {
p_uniforms.setValue( _gl, 'logDepthBufFC',
2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );
}
if ( _currentCamera !== camera ) {
_currentCamera = camera;
// lighting uniforms depend on the camera so enforce an update
// now, in case this material supports lights - or later, when
// the next material that does gets activated:
refreshMaterial = true; // set to true on material change
refreshLights = true; // remains set until update done
}
// load material specific uniforms
// (shader material also gets them for the sake of genericity)
if ( material.isShaderMaterial ||
material.isMeshPhongMaterial ||
material.isMeshStandardMaterial ||
material.envMap ) {
var uCamPos = p_uniforms.map.cameraPosition;
if ( uCamPos !== undefined ) {
uCamPos.setValue( _gl,
_vector3.setFromMatrixPosition( camera.matrixWorld ) );
}
}
if ( material.isMeshPhongMaterial ||
material.isMeshLambertMaterial ||
material.isMeshBasicMaterial ||
material.isMeshStandardMaterial ||
material.isShaderMaterial ||
material.skinning ) {
p_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );
}
}
// skinning uniforms must be set even if material didn't change
// auto-setting of texture unit for bone texture must go before other textures
// not sure why, but otherwise weird things happen
if ( material.skinning ) {
p_uniforms.setOptional( _gl, object, 'bindMatrix' );
p_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );
var skeleton = object.skeleton;
if ( skeleton ) {
var bones = skeleton.bones;
if ( capabilities.floatVertexTextures ) {
if ( skeleton.boneTexture === undefined ) {
// layout (1 matrix = 4 pixels)
// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)
// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)
// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)
// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)
// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)
var size = Math.sqrt( bones.length * 4 ); // 4 pixels needed for 1 matrix
size = _Math.ceilPowerOfTwo( size );
size = Math.max( size, 4 );
var boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel
boneMatrices.set( skeleton.boneMatrices ); // copy current values
var boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType );
boneTexture.needsUpdate = true;
skeleton.boneMatrices = boneMatrices;
skeleton.boneTexture = boneTexture;
skeleton.boneTextureSize = size;
}
p_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture );
p_uniforms.setValue( _gl, 'boneTextureSize', skeleton.boneTextureSize );
} else {
p_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );
}
}
}
if ( refreshMaterial ) {
p_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure );
p_uniforms.setValue( _gl, 'toneMappingWhitePoint', _this.toneMappingWhitePoint );
if ( material.lights ) {
// the current material requires lighting info
// note: all lighting uniforms are always set correctly
// they simply reference the renderer's state for their
// values
//
// use the current material's .needsUpdate flags to set
// the GL state when required
markUniformsLightsNeedsUpdate( m_uniforms, refreshLights );
}
// refresh uniforms common to several materials
if ( fog && material.fog ) {
refreshUniformsFog( m_uniforms, fog );
}
if ( material.isMeshBasicMaterial ) {
refreshUniformsCommon( m_uniforms, material );
} else if ( material.isMeshLambertMaterial ) {
refreshUniformsCommon( m_uniforms, material );
refreshUniformsLambert( m_uniforms, material );
} else if ( material.isMeshPhongMaterial ) {
refreshUniformsCommon( m_uniforms, material );
if ( material.isMeshToonMaterial ) {
refreshUniformsToon( m_uniforms, material );
} else {
refreshUniformsPhong( m_uniforms, material );
}
} else if ( material.isMeshStandardMaterial ) {
refreshUniformsCommon( m_uniforms, material );
if ( material.isMeshPhysicalMaterial ) {
refreshUniformsPhysical( m_uniforms, material );
} else {
refreshUniformsStandard( m_uniforms, material );
}
} else if ( material.isMeshMatcapMaterial ) {
refreshUniformsCommon( m_uniforms, material );
refreshUniformsMatcap( m_uniforms, material );
} else if ( material.isMeshDepthMaterial ) {
refreshUniformsCommon( m_uniforms, material );
refreshUniformsDepth( m_uniforms, material );
} else if ( material.isMeshDistanceMaterial ) {
refreshUniformsCommon( m_uniforms, material );
refreshUniformsDistance( m_uniforms, material );
} else if ( material.isMeshNormalMaterial ) {
refreshUniformsCommon( m_uniforms, material );
refreshUniformsNormal( m_uniforms, material );
} else if ( material.isLineBasicMaterial ) {
refreshUniformsLine( m_uniforms, material );
if ( material.isLineDashedMaterial ) {
refreshUniformsDash( m_uniforms, material );
}
} else if ( material.isPointsMaterial ) {
refreshUniformsPoints( m_uniforms, material );
} else if ( material.isSpriteMaterial ) {
refreshUniformsSprites( m_uniforms, material );
} else if ( material.isShadowMaterial ) {
m_uniforms.color.value = material.color;
m_uniforms.opacity.value = material.opacity;
}
// RectAreaLight Texture
// TODO (mrdoob): Find a nicer implementation
if ( m_uniforms.ltc_1 !== undefined ) m_uniforms.ltc_1.value = UniformsLib.LTC_1;
if ( m_uniforms.ltc_2 !== undefined ) m_uniforms.ltc_2.value = UniformsLib.LTC_2;
WebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, _this );
}
if ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) {
WebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, _this );
material.uniformsNeedUpdate = false;
}
if ( material.isSpriteMaterial ) {
p_uniforms.setValue( _gl, 'center', object.center );
}
// common matrices
p_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix );
p_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix );
p_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );
return program;
}
// Uniforms (refresh uniforms objects)
function refreshUniformsCommon( uniforms, material ) {
uniforms.opacity.value = material.opacity;
if ( material.color ) {
uniforms.diffuse.value = material.color;
}
if ( material.emissive ) {
uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );
}
if ( material.map ) {
uniforms.map.value = material.map;
}
if ( material.alphaMap ) {
uniforms.alphaMap.value = material.alphaMap;
}
if ( material.specularMap ) {
uniforms.specularMap.value = material.specularMap;
}
if ( material.envMap ) {
uniforms.envMap.value = material.envMap;
// don't flip CubeTexture envMaps, flip everything else:
// WebGLRenderTargetCube will be flipped for backwards compatibility
// WebGLRenderTargetCube.texture will be flipped because it's a Texture and NOT a CubeTexture
// this check must be handled differently, or removed entirely, if WebGLRenderTargetCube uses a CubeTexture in the future
uniforms.flipEnvMap.value = ( ! ( material.envMap && material.envMap.isCubeTexture ) ) ? 1 : - 1;
uniforms.reflectivity.value = material.reflectivity;
uniforms.refractionRatio.value = material.refractionRatio;
uniforms.maxMipLevel.value = properties.get( material.envMap ).__maxMipLevel;
}
if ( material.lightMap ) {
uniforms.lightMap.value = material.lightMap;
uniforms.lightMapIntensity.value = material.lightMapIntensity;
}
if ( material.aoMap ) {
uniforms.aoMap.value = material.aoMap;
uniforms.aoMapIntensity.value = material.aoMapIntensity;
}
// uv repeat and offset setting priorities
// 1. color map
// 2. specular map
// 3. normal map
// 4. bump map
// 5. alpha map
// 6. emissive map
var uvScaleMap;
if ( material.map ) {
uvScaleMap = material.map;
} else if ( material.specularMap ) {
uvScaleMap = material.specularMap;
} else if ( material.displacementMap ) {
uvScaleMap = material.displacementMap;
} else if ( material.normalMap ) {
uvScaleMap = material.normalMap;
} else if ( material.bumpMap ) {
uvScaleMap = material.bumpMap;
} else if ( material.roughnessMap ) {
uvScaleMap = material.roughnessMap;
} else if ( material.metalnessMap ) {
uvScaleMap = material.metalnessMap;
} else if ( material.alphaMap ) {
uvScaleMap = material.alphaMap;
} else if ( material.emissiveMap ) {
uvScaleMap = material.emissiveMap;
}
if ( uvScaleMap !== undefined ) {
// backwards compatibility
if ( uvScaleMap.isWebGLRenderTarget ) {
uvScaleMap = uvScaleMap.texture;
}
if ( uvScaleMap.matrixAutoUpdate === true ) {
uvScaleMap.updateMatrix();
}
uniforms.uvTransform.value.copy( uvScaleMap.matrix );
}
}
function refreshUniformsLine( uniforms, material ) {
uniforms.diffuse.value = material.color;
uniforms.opacity.value = material.opacity;
}
function refreshUniformsDash( uniforms, material ) {
uniforms.dashSize.value = material.dashSize;
uniforms.totalSize.value = material.dashSize + material.gapSize;
uniforms.scale.value = material.scale;
}
function refreshUniformsPoints( uniforms, material ) {
uniforms.diffuse.value = material.color;
uniforms.opacity.value = material.opacity;
uniforms.size.value = material.size * _pixelRatio;
uniforms.scale.value = _height * 0.5;
uniforms.map.value = material.map;
if ( material.map !== null ) {
if ( material.map.matrixAutoUpdate === true ) {
material.map.updateMatrix();
}
uniforms.uvTransform.value.copy( material.map.matrix );
}
}
function refreshUniformsSprites( uniforms, material ) {
uniforms.diffuse.value = material.color;
uniforms.opacity.value = material.opacity;
uniforms.rotation.value = material.rotation;
uniforms.map.value = material.map;
if ( material.map !== null ) {
if ( material.map.matrixAutoUpdate === true ) {
material.map.updateMatrix();
}
uniforms.uvTransform.value.copy( material.map.matrix );
}
}
function refreshUniformsFog( uniforms, fog ) {
uniforms.fogColor.value = fog.color;
if ( fog.isFog ) {
uniforms.fogNear.value = fog.near;
uniforms.fogFar.value = fog.far;
} else if ( fog.isFogExp2 ) {
uniforms.fogDensity.value = fog.density;
}
}
function refreshUniformsLambert( uniforms, material ) {
if ( material.emissiveMap ) {
uniforms.emissiveMap.value = material.emissiveMap;
}
}
function refreshUniformsPhong( uniforms, material ) {
uniforms.specular.value = material.specular;
uniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )
if ( material.emissiveMap ) {
uniforms.emissiveMap.value = material.emissiveMap;
}
if ( material.bumpMap ) {
uniforms.bumpMap.value = material.bumpMap;
uniforms.bumpScale.value = material.bumpScale;
if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;
}
if ( material.normalMap ) {
uniforms.normalMap.value = material.normalMap;
uniforms.normalScale.value.copy( material.normalScale );
if ( material.side === BackSide ) uniforms.normalScale.value.negate();
}
if ( material.displacementMap ) {
uniforms.displacementMap.value = material.displacementMap;
uniforms.displacementScale.value = material.displacementScale;
uniforms.displacementBias.value = material.displacementBias;
}
}
function refreshUniformsToon( uniforms, material ) {
refreshUniformsPhong( uniforms, material );
if ( material.gradientMap ) {
uniforms.gradientMap.value = material.gradientMap;
}
}
function refreshUniformsStandard( uniforms, material ) {
uniforms.roughness.value = material.roughness;
uniforms.metalness.value = material.metalness;
if ( material.roughnessMap ) {
uniforms.roughnessMap.value = material.roughnessMap;
}
if ( material.metalnessMap ) {
uniforms.metalnessMap.value = material.metalnessMap;
}
if ( material.emissiveMap ) {
uniforms.emissiveMap.value = material.emissiveMap;
}
if ( material.bumpMap ) {
uniforms.bumpMap.value = material.bumpMap;
uniforms.bumpScale.value = material.bumpScale;
if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;
}
if ( material.normalMap ) {
uniforms.normalMap.value = material.normalMap;
uniforms.normalScale.value.copy( material.normalScale );
if ( material.side === BackSide ) uniforms.normalScale.value.negate();
}
if ( material.displacementMap ) {
uniforms.displacementMap.value = material.displacementMap;
uniforms.displacementScale.value = material.displacementScale;
uniforms.displacementBias.value = material.displacementBias;
}
if ( material.envMap ) {
//uniforms.envMap.value = material.envMap; // part of uniforms common
uniforms.envMapIntensity.value = material.envMapIntensity;
}
}
function refreshUniformsPhysical( uniforms, material ) {
refreshUniformsStandard( uniforms, material );
uniforms.reflectivity.value = material.reflectivity; // also part of uniforms common
uniforms.clearCoat.value = material.clearCoat;
uniforms.clearCoatRoughness.value = material.clearCoatRoughness;
}
function refreshUniformsMatcap( uniforms, material ) {
if ( material.matcap ) {
uniforms.matcap.value = material.matcap;
}
if ( material.bumpMap ) {
uniforms.bumpMap.value = material.bumpMap;
uniforms.bumpScale.value = material.bumpScale;
if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;
}
if ( material.normalMap ) {
uniforms.normalMap.value = material.normalMap;
uniforms.normalScale.value.copy( material.normalScale );
if ( material.side === BackSide ) uniforms.normalScale.value.negate();
}
if ( material.displacementMap ) {
uniforms.displacementMap.value = material.displacementMap;
uniforms.displacementScale.value = material.displacementScale;
uniforms.displacementBias.value = material.displacementBias;
}
}
function refreshUniformsDepth( uniforms, material ) {
if ( material.displacementMap ) {
uniforms.displacementMap.value = material.displacementMap;
uniforms.displacementScale.value = material.displacementScale;
uniforms.displacementBias.value = material.displacementBias;
}
}
function refreshUniformsDistance( uniforms, material ) {
if ( material.displacementMap ) {
uniforms.displacementMap.value = material.displacementMap;
uniforms.displacementScale.value = material.displacementScale;
uniforms.displacementBias.value = material.displacementBias;
}
uniforms.referencePosition.value.copy( material.referencePosition );
uniforms.nearDistance.value = material.nearDistance;
uniforms.farDistance.value = material.farDistance;
}
function refreshUniformsNormal( uniforms, material ) {
if ( material.bumpMap ) {
uniforms.bumpMap.value = material.bumpMap;
uniforms.bumpScale.value = material.bumpScale;
if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;
}
if ( material.normalMap ) {
uniforms.normalMap.value = material.normalMap;
uniforms.normalScale.value.copy( material.normalScale );
if ( material.side === BackSide ) uniforms.normalScale.value.negate();
}
if ( material.displacementMap ) {
uniforms.displacementMap.value = material.displacementMap;
uniforms.displacementScale.value = material.displacementScale;
uniforms.displacementBias.value = material.displacementBias;
}
}
// If uniforms are marked as clean, they don't need to be loaded to the GPU.
function markUniformsLightsNeedsUpdate( uniforms, value ) {
uniforms.ambientLightColor.needsUpdate = value;
uniforms.directionalLights.needsUpdate = value;
uniforms.pointLights.needsUpdate = value;
uniforms.spotLights.needsUpdate = value;
uniforms.rectAreaLights.needsUpdate = value;
uniforms.hemisphereLights.needsUpdate = value;
}
// Textures
function allocTextureUnit() {
var textureUnit = _usedTextureUnits;
if ( textureUnit >= capabilities.maxTextures ) {
console.warn( 'THREE.WebGLRenderer: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );
}
_usedTextureUnits += 1;
return textureUnit;
}
this.allocTextureUnit = allocTextureUnit;
// this.setTexture2D = setTexture2D;
this.setTexture2D = ( function () {
var warned = false;
// backwards compatibility: peel texture.texture
return function setTexture2D( texture, slot ) {
if ( texture && texture.isWebGLRenderTarget ) {
if ( ! warned ) {
console.warn( "THREE.WebGLRenderer.setTexture2D: don't use render targets as textures. Use their .texture property instead." );
warned = true;
}
texture = texture.texture;
}
textures.setTexture2D( texture, slot );
};
}() );
this.setTexture3D = ( function () {
// backwards compatibility: peel texture.texture
return function setTexture3D( texture, slot ) {
textures.setTexture3D( texture, slot );
};
}() );
this.setTexture = ( function () {
var warned = false;
return function setTexture( texture, slot ) {
if ( ! warned ) {
console.warn( "THREE.WebGLRenderer: .setTexture is deprecated, use setTexture2D instead." );
warned = true;
}
textures.setTexture2D( texture, slot );
};
}() );
this.setTextureCube = ( function () {
var warned = false;
return function setTextureCube( texture, slot ) {
// backwards compatibility: peel texture.texture
if ( texture && texture.isWebGLRenderTargetCube ) {
if ( ! warned ) {
console.warn( "THREE.WebGLRenderer.setTextureCube: don't use cube render targets as textures. Use their .texture property instead." );
warned = true;
}
texture = texture.texture;
}
// currently relying on the fact that WebGLRenderTargetCube.texture is a Texture and NOT a CubeTexture
// TODO: unify these code paths
if ( ( texture && texture.isCubeTexture ) ||
( Array.isArray( texture.image ) && texture.image.length === 6 ) ) {
// CompressedTexture can have Array in image :/
// this function alone should take care of cube textures
textures.setTextureCube( texture, slot );
} else {
// assumed: texture property of THREE.WebGLRenderTargetCube
textures.setTextureCubeDynamic( texture, slot );
}
};
}() );
//
this.setFramebuffer = function ( value ) {
_framebuffer = value;
};
this.getRenderTarget = function () {
return _currentRenderTarget;
};
this.setRenderTarget = function ( renderTarget ) {
_currentRenderTarget = renderTarget;
if ( renderTarget && properties.get( renderTarget ).__webglFramebuffer === undefined ) {
textures.setupRenderTarget( renderTarget );
}
var framebuffer = _framebuffer;
var isCube = false;
if ( renderTarget ) {
var __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer;
if ( renderTarget.isWebGLRenderTargetCube ) {
framebuffer = __webglFramebuffer[ renderTarget.activeCubeFace ];
isCube = true;
} else {
framebuffer = __webglFramebuffer;
}
_currentViewport.copy( renderTarget.viewport );
_currentScissor.copy( renderTarget.scissor );
_currentScissorTest = renderTarget.scissorTest;
} else {
_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio );
_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio );
_currentScissorTest = _scissorTest;
}
if ( _currentFramebuffer !== framebuffer ) {
_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );
_currentFramebuffer = framebuffer;
}
state.viewport( _currentViewport );
state.scissor( _currentScissor );
state.setScissorTest( _currentScissorTest );
if ( isCube ) {
var textureProperties = properties.get( renderTarget.texture );
_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );
}
};
this.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer ) {
if ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {
console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );
return;
}
var framebuffer = properties.get( renderTarget ).__webglFramebuffer;
if ( framebuffer ) {
var restore = false;
if ( framebuffer !== _currentFramebuffer ) {
_gl.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );
restore = true;
}
try {
var texture = renderTarget.texture;
var textureFormat = texture.format;
var textureType = texture.type;
if ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {
console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );
return;
}
if ( textureType !== UnsignedByteType && utils.convert( textureType ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // IE11, Edge and Chrome Mac < 52 (#9513)
! ( textureType === FloatType && ( capabilities.isWebGL2 || extensions.get( 'OES_texture_float' ) || extensions.get( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox
! ( textureType === HalfFloatType && ( capabilities.isWebGL2 ? extensions.get( 'EXT_color_buffer_float' ) : extensions.get( 'EXT_color_buffer_half_float' ) ) ) ) {
console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );
return;
}
if ( _gl.checkFramebufferStatus( _gl.FRAMEBUFFER ) === _gl.FRAMEBUFFER_COMPLETE ) {
// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)
if ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {
_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer );
}
} else {
console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );
}
} finally {
if ( restore ) {
_gl.bindFramebuffer( _gl.FRAMEBUFFER, _currentFramebuffer );
}
}
}
};
this.copyFramebufferToTexture = function ( position, texture, level ) {
var width = texture.image.width;
var height = texture.image.height;
var glFormat = utils.convert( texture.format );
this.setTexture2D( texture, 0 );
_gl.copyTexImage2D( _gl.TEXTURE_2D, level || 0, glFormat, position.x, position.y, width, height, 0 );
};
this.copyTextureToTexture = function ( position, srcTexture, dstTexture, level ) {
var width = srcTexture.image.width;
var height = srcTexture.image.height;
var glFormat = utils.convert( dstTexture.format );
var glType = utils.convert( dstTexture.type );
this.setTexture2D( dstTexture, 0 );
if ( srcTexture.isDataTexture ) {
_gl.texSubImage2D( _gl.TEXTURE_2D, level || 0, position.x, position.y, width, height, glFormat, glType, srcTexture.image.data );
} else {
_gl.texSubImage2D( _gl.TEXTURE_2D, level || 0, position.x, position.y, glFormat, glType, srcTexture.image );
}
};
}
export { WebGLRenderer };