( drawEnd, position.count ); } const drawCount = drawEnd - drawStart; if ( drawCount < 0 || drawCount === Infinity ) return; // bindingStates.setup( object, material, program, geometry, index ); let attribute; let renderer = bufferRenderer; if ( index !== null ) { attribute = attributes.get( index ); renderer = indexedBufferRenderer; renderer.setIndex( attribute ); } // if ( object.isMesh ) { if ( material.wireframe === true ) { state.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() ); renderer.setMode( _gl.LINES ); } else { renderer.setMode( _gl.TRIANGLES ); } } else if ( object.isLine ) { let 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 ( object.isBatchedMesh ) { if ( object._multiDrawInstances !== null ) { renderer.renderMultiDrawInstances( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount, object._multiDrawInstances ); } else { renderer.renderMultiDraw( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount ); } } else if ( object.isInstancedMesh ) { renderer.renderInstances( drawStart, drawCount, object.count ); } else if ( geometry.isInstancedBufferGeometry ) { const maxInstanceCount = geometry._maxInstanceCount !== undefined ? geometry._maxInstanceCount : Infinity; const instanceCount = Math.min( geometry.instanceCount, maxInstanceCount ); renderer.renderInstances( drawStart, drawCount, instanceCount ); } else { renderer.render( drawStart, drawCount ); } }; // Compile function prepareMaterial( material, scene, object ) { if ( material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false ) { material.side = BackSide; material.needsUpdate = true; getProgram( material, scene, object ); material.side = FrontSide; material.needsUpdate = true; getProgram( material, scene, object ); material.side = DoubleSide; } else { getProgram( material, scene, object ); } } this.compile = function ( scene, camera, targetScene = null ) { if ( targetScene === null ) targetScene = scene; currentRenderState = renderStates.get( targetScene ); currentRenderState.init( camera ); renderStateStack.push( currentRenderState ); // gather lights from both the target scene and the new object that will be added to the scene. targetScene.traverseVisible( function ( object ) { if ( object.isLight && object.layers.test( camera.layers ) ) { currentRenderState.pushLight( object ); if ( object.castShadow ) { currentRenderState.pushShadow( object ); } } } ); if ( scene !== targetScene ) { scene.traverseVisible( function ( object ) { if ( object.isLight && object.layers.test( camera.layers ) ) { currentRenderState.pushLight( object ); if ( object.castShadow ) { currentRenderState.pushShadow( object ); } } } ); } currentRenderState.setupLights(); // Only initialize materials in the new scene, not the targetScene. const materials = new Set(); scene.traverse( function ( object ) { const material = object.material; if ( material ) { if ( Array.isArray( material ) ) { for ( let i = 0; i < material.length; i ++ ) { const material2 = material[ i ]; prepareMaterial( material2, targetScene, object ); materials.add( material2 ); } } else { prepareMaterial( material, targetScene, object ); materials.add( material ); } } } ); renderStateStack.pop(); currentRenderState = null; return materials; }; // compileAsync this.compileAsync = function ( scene, camera, targetScene = null ) { const materials = this.compile( scene, camera, targetScene ); // Wait for all the materials in the new object to indicate that they're // ready to be used before resolving the promise. return new Promise( ( resolve ) => { function checkMaterialsReady() { materials.forEach( function ( material ) { const materialProperties = properties.get( material ); const program = materialProperties.currentProgram; if ( program.isReady() ) { // remove any programs that report they're ready to use from the list materials.delete( material );