#define USE_TANGENT":"",n.vertexColors||n.instancingColor?"#define USE_COLOR":"",n.vertexAlphas?"#define USE_COLOR_ALPHA":"",n.vertexUvs?"#define USE_UV":"",n.uvsVertexOnly?"#define UVS_VERTEX_ONLY":"",n.gradientMap?"#define USE_GRADIENTMAP":"",n.flatShading?"#define FLAT_SHADED":"",n.doubleSided?"#define DOUBLE_SIDED":"",n.flipSided?"#define FLIP_SIDED":"",n.shadowMapEnabled?"#define USE_SHADOWMAP":"",n.shadowMapEnabled?"#define "+d:"",n.premultipliedAlpha?"#define PREMULTIPLIED_ALPHA":"",n.physicallyCorrectLights?"#define PHYSICALLY_CORRECT_LIGHTS":"",n.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",n.logarithmicDepthBuffer&&n.rendererExtensionFragDepth?"#define USE_LOGDEPTHBUF_EXT":"",(n.extensionShaderTextureLOD||n.envMap)&&n.rendererExtensionShaderTextureLod?"#define TEXTURE_LOD_EXT":"","uniform mat4 viewMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;",0!==n.toneMapping?"#define TONE_MAPPING":"",0!==n.toneMapping?hi.tonemapping_pars_fragment:"",0!==n.toneMapping?Fr("toneMapping",n.toneMapping):"",n.dithering?"#define DITHERING":"",hi.encodings_pars_fragment,n.map?Br("mapTexelToLinear",n.mapEncoding):"",n.matcap?Br("matcapTexelToLinear",n.matcapEncoding):"",n.envMap?Br("envMapTexelToLinear",n.envMapEncoding):"",n.emissiveMap?Br("emissiveMapTexelToLinear",n.emissiveMapEncoding):"",n.lightMap?Br("lightMapTexelToLinear",n.lightMapEncoding):"",zr("linearToOutputTexel",n.outputEncoding),n.depthPacking?"#define DEPTH_PACKING "+n.depthPacking:"","\n"].filter(Or).join("\n")),h=kr(h),h=Hr(h,n),h=Gr(h,n),u=kr(u),u=Hr(u,n),u=Gr(u,n),h=qr(h),u=qr(u),n.isWebGL2&&!0!==n.isRawShaderMaterial&&(b="#version 300 es\n",_=["#define attribute in","#define varying out","#define texture2D texture"].join("\n")+"\n"+_,w=["#define varying in",n.glslVersion===it?"":"out highp vec4 pc_fragColor;",n.glslVersion===it?"":"#define gl_FragColor pc_fragColor","#define gl_FragDepthEXT gl_FragDepth","#define texture2D texture","#define textureCube texture","#define texture2DProj textureProj","#define texture2DLodEXT textureLod","#define texture2DProjLodEXT textureProjLod","#define textureCubeLodEXT textureLod","#define texture2DGradEXT textureGrad","#define texture2DProjGradEXT textureProjGrad","#define textureCubeGradEXT textureGrad"].join("\n")+"\n"+w);const M=b+w+u,S=Pr(a,35633,b+_+h),T=Pr(a,35632,M);if(a.attachShader(x,S),a.attachShader(x,T),void 0!==n.index0AttributeName?a.bindAttribLocation(x,0,n.index0AttributeName):!0===n.morphTargets&&a.bindAttribLocation(x,0,"position"),a.linkProgram(x),t.debug.checkShaderErrors){const t=a.getProgramInfoLog(x).trim(),e=a.getShaderInfoLog(S).trim(),n=a.getShaderInfoLog(T).trim();let i=!0,r=!0;if(!1===a.getProgramParameter(x,35714)){i=!1;const e=Nr(a,S,"vertex"),n=Nr(a,T,"fragment");console.error("THREE.WebGLProgram: shader error: ",a.getError(),"35715",a.getProgramParameter(x,35715),"gl.getProgramInfoLog",t,e,n)}else""!==t?console.warn("THREE.WebGLProgram: gl.getProgramInfoLog()",t):""!==e&&""!==n||(r=!1);r&&(this.diagnostics={runnable:i,programLog:t,vertexShader:{log:e,prefix:_},fragmentShader:{log:n,prefix:w}})}let E,A;return a.deleteShader(S),a.deleteShader(T),this.getUniforms=function(){return void 0===E&&(E=new Cr(a,x)),E},this.getAttributes=function(){return void 0===A&&(A=function(t,e){const n={},i=t.getProgramParameter(e,35721);for(let r=0;r