picogl.min.js

/*
PicoGL.js v0.8.7

The MIT License (MIT)

Copyright (c) 2017 Tarek Sherif

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

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0!==E.internalFormat?E.internalFormat:i[this.type][this.format],this.appState=e,this.currentUnit=-1;let{width:a=r.width,height:n=r.height,flipY:N=!1,minFilter:u=(r?t.LINEAR_MIPMAP_NEAREST:t.NEAREST),magFilter:M=(r?t.LINEAR:t.NEAREST),wrapS:I=t.REPEAT,wrapT:C=t.REPEAT,compareMode:l=t.NONE,compareFunc:O=t.LEQUAL,generateMipmaps:F=u===t.LINEAR_MIPMAP_NEAREST||u===t.LINEAR_MIPMAP_LINEAR}=E;this.bind(0),t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,N),t.texParameteri(t.TEXTURE_CUBE_MAP,t.TEXTURE_MAG_FILTER,M),t.texParameteri(t.TEXTURE_CUBE_MAP,t.TEXTURE_MIN_FILTER,u),t.texParameteri(t.TEXTURE_CUBE_MAP,t.TEXTURE_WRAP_S,I),t.texParameteri(t.TEXTURE_CUBE_MAP,t.TEXTURE_WRAP_T,C),t.texParameteri(t.TEXTURE_CUBE_MAP,t.TEXTURE_COMPARE_FUNC,O),t.texParameteri(t.TEXTURE_CUBE_MAP,t.TEXTURE_COMPARE_MODE,l),void 0!==E.baseLevel&&t.texParameteri(t.TEXTURE_CUBE_MAP,t.TEXTURE_BASE_LEVEL,E.baseLevel),void 0!==E.maxLevel&&t.texParameteri(t.TEXTURE_CUBE_MAP,t.TEXTURE_MAX_LEVEL,E.maxLevel),void 0!==E.minLOD&&t.texParameteri(t.TEXTURE_CUBE_MAP,t.TEXTURE_MIN_LOD,E.minLOD),void 0!==E.maxLOD&&t.texParameteri(t.TEXTURE_CUBE_MAP,t.TEXTURE_MAX_LOD,E.maxLOD);let P=F?Math.floor(Math.log2(Math.min(a,n)))+1:1;t.texStorage2D(t.TEXTURE_CUBE_MAP,P,this.internalFormat,a,n),r&&(t.texSubImage2D(t.TEXTURE_CUBE_MAP_NEGATIVE_X,0,0,0,a,n,this.format,this.type,r),t.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X,0,0,0,a,n,this.format,this.type,s),t.texSubImage2D(t.TEXTURE_CUBE_MAP_NEGATIVE_Y,0,0,0,a,n,this.format,this.type,T),t.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_Y,0,0,0,a,n,this.format,this.type,R),t.texSubImage2D(t.TEXTURE_CUBE_MAP_NEGATIVE_Z,0,0,0,a,n,this.format,this.type,A),t.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_Z,0,0,0,a,n,this.format,this.type,S)),F&&t.generateMipmap(t.TEXTURE_CUBE_MAP)}delete(){this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null,this.appState.textures[this.currentUnit]=null,this.currentUnit=-1)}bind(t){let e=this.appState.textures[t];return e!==this&&(e&&(e.currentUnit=-1),-1!==this.currentUnit&&(this.appState.textures[this.currentUnit]=null),this.gl.activeTexture(this.gl.TEXTURE0+t),this.gl.bindTexture(this.gl.TEXTURE_CUBE_MAP,this.texture),this.appState.textures[t]=this,this.currentUnit=t),this}}t.exports=r},function(t,e,E){"use strict";const _=E(0);class i{constructor(t,e,E,i,r=_.TRIANGLES){this.gl=t,this.currentProgram=E,this.currentVertexArray=i,this.currentTransformFeedback=null,this.appState=e,this.uniformIndices={},this.uniformNames=new Array(_.WEBGL_INFO.MAX_UNIFORMS),this.uniformValues=new Array(_.WEBGL_INFO.MAX_UNIFORMS),this.uniformCount=0,this.uniformBuffers=new Array(_.WEBGL_INFO.MAX_UNIFORM_BUFFERS),this.uniformBlockNames=new Array(_.WEBGL_INFO.MAX_UNIFORM_BUFFERS),this.uniformBlockBases={},this.uniformBlockCount=0,this.samplerIndices={},this.textures=new Array(_.WEBGL_INFO.MAX_TEXTURE_UNITS),this.textureCount=0,this.primitive=r}transformFeedback(t){return this.currentTransformFeedback=t,this}uniform(t,e){let E=this.uniformIndices[t];return void 0===E&&(E=this.uniformCount++,this.uniformIndices[t]=E,this.uniformNames[E]=t),this.uniformValues[E]=e,this}texture(t,e){let E=this.currentProgram.samplers[t];return this.textures[E]=e,this}uniformBlock(t,e){let E=this.currentProgram.uniformBlocks[t];return this.uniformBuffers[E]=e,this}draw(){let t=this.uniformNames,e=this.uniformValues,E=this.uniformBuffers,_=this.currentProgram.uniformBlockCount,i=this.textures,r=this.currentProgram.samplerCount;this.currentProgram.bind(),this.currentVertexArray.bind();for(let E=0;E<this.uniformCount;++E)this.currentProgram.uniform(t[E],e[E]);for(let t=0;t<_;++t)E[t].bind(t);for(let t=0;t<r;++t)i[t].bind(t);if(this.currentTransformFeedback&&(this.currentTransformFeedback.bind(),this.gl.beginTransformFeedback(this.primitive)),this.currentVertexArray.instanced?this.currentVertexArray.indexed?this.gl.drawElementsInstanced(this.primitive,this.currentVertexArray.numElements,this.currentVertexArray.indexType,0,this.currentVertexArray.numInstances):this.gl.drawArraysInstanced(this.primitive,0,this.currentVertexArray.numElements,this.currentVertexArray.numInstances):this.currentVertexArray.indexed?this.gl.drawElements(this.primitive,this.currentVertexArray.numElements,this.currentVertexArray.indexType,0):this.gl.drawArrays(this.primitive,0,this.currentVertexArray.numElements),this.currentTransformFeedback){this.gl.endTransformFeedback();for(let t=0,e=this.currentTransformFeedback.angleBugBuffers.length;t<e;++t)this.gl.bindBufferBase(this.gl.TRANSFORM_FEEDBACK_BUFFER,t,null)}}}t.exports=i},function(t,e,E){"use strict";const _=E(0);class i{constructor(t,e){this.gl=t,this.framebuffer=t.createFramebuffer(),this.appState=e,this.numColorTargets=0,this.colorTextures=[],this.colorAttachments=[],this.colorTextureTargets=[],this.depthTexture=null,this.depthTextureTarget=null}colorTarget(t,e,E=(e.is3D?0:_.TEXTURE_2D)){this.colorAttachments[t]=_.COLOR_ATTACHMENT0+t;let i=this.bindAndCaptureState();return this.colorTextures[t]=e,this.colorTextureTargets[t]=E,e.is3D?this.gl.framebufferTextureLayer(this.gl.DRAW_FRAMEBUFFER,this.colorAttachments[t],e.texture,0,E):this.gl.framebufferTexture2D(this.gl.DRAW_FRAMEBUFFER,this.colorAttachments[t],E,e.texture,0),this.gl.drawBuffers(this.colorAttachments),this.numColorTargets++,this.restoreState(i),this}depthTarget(t,e=(t.is3D?0:_.TEXTURE_2D)){let E=this.bindAndCaptureState();return this.depthTexture=t,this.depthTextureTarget=e,t.is3D?this.gl.framebufferTextureLayer(this.gl.DRAW_FRAMEBUFFER,_.DEPTH_ATTACHMENT,t.texture,0,e):this.gl.framebufferTexture2D(this.gl.DRAW_FRAMEBUFFER,_.DEPTH_ATTACHMENT,e,t.texture,0),this.restoreState(E),this}resize(t=this.gl.drawingBufferWidth,e=this.gl.drawingBufferHeight,E){let i=this.bindAndCaptureState();for(let _=0;_<this.numColorTargets;++_){var r=this.colorTextures[_];r.resize(t,e,E),r.is3D?this.gl.framebufferTextureLayer(this.gl.DRAW_FRAMEBUFFER,this.colorAttachments[_],r.texture,0,this.colorTextureTargets[_]):this.gl.framebufferTexture2D(this.gl.DRAW_FRAMEBUFFER,this.colorAttachments[_],this.colorTextureTargets[_],r.texture,0)}return this.depthTexture&&(this.depthTexture.resize(t,e,E),this.depthTexture.is3D?this.gl.framebufferTextureLayer(this.gl.DRAW_FRAMEBUFFER,_.DEPTH_ATTACHMENT,this.depthTexture.texture,0,this.depthTextureTarget):this.gl.framebufferTexture2D(this.gl.DRAW_FRAMEBUFFER,_.DEPTH_ATTACHMENT,this.depthTextureTarget,this.depthTexture.texture,0)),this.restoreState(i),this}delete(){this.framebuffer&&(this.gl.deleteFramebuffer(this.framebuffer),this.framebuffer=null)}bindForDraw(){this.appState.drawFramebuffer!==this&&(this.gl.bindFramebuffer(this.gl.DRAW_FRAMEBUFFER,this.framebuffer),this.appState.drawFramebuffer=this)}bindForRead(){this.appState.readFramebuffer!==this&&(this.gl.bindFramebuffer(this.gl.READ_FRAMEBUFFER,this.framebuffer),this.appState.readFramebuffer=this)}bindAndCaptureState(){let t=this.appState.drawFramebuffer;return t!==this&&this.gl.bindFramebuffer(this.gl.DRAW_FRAMEBUFFER,this.framebuffer),t}restoreState(t){t!==this&&this.gl.bindFramebuffer(this.gl.DRAW_FRAMEBUFFER,t?t.framebuffer:null)}}t.exports=i},function(t,e,E){"use strict";const _=E(0),i=E(2),r=E(10),s=r.SingleComponentUniform,T=r.MultiNumericUniform,R=r.MultiBoolUniform,A=r.MatrixUniform;class S{constructor(t,e,E,r,S){let h,a,n,N=!1,u=!1;"string"==typeof E?(a=new i(t,t.VERTEX_SHADER,E),N=!0):a=E,"string"==typeof r?(n=new i(t,t.FRAGMENT_SHADER,r),u=!0):n=r;let M=t.createProgram();t.attachShader(M,a.shader),t.attachShader(M,n.shader),S&&t.transformFeedbackVaryings(M,S,t.SEPARATE_ATTRIBS),t.linkProgram(M),t.getProgramParameter(M,t.LINK_STATUS)||console.error(t.getProgramInfoLog(M)),N&&a.delete(),u&&n.delete(),this.gl=t,this.program=M,this.appState=e,this.transformFeedback=!!S,this.uniforms={},this.uniformBlocks={},this.uniformBlockCount=0,this.samplers={},this.samplerCount=0,t.useProgram(M);let I,C=t.getProgramParameter(M,t.ACTIVE_UNIFORMS);for(h=0;h<C;++h){let e=t.getActiveUniform(M,h),E=t.getUniformLocation(this.program,e.name),i=null,r=e.type,S=e.size;switch(r){case _.SAMPLER_2D:case _.INT_SAMPLER_2D:case _.UNSIGNED_INT_SAMPLER_2D:case _.SAMPLER_2D_SHADOW:case _.SAMPLER_2D_ARRAY:case _.INT_SAMPLER_2D_ARRAY:case _.UNSIGNED_INT_SAMPLER_2D_ARRAY:case _.SAMPLER_2D_ARRAY_SHADOW:case _.SAMPLER_CUBE:case _.INT_SAMPLER_CUBE:case _.UNSIGNED_INT_SAMPLER_CUBE:case _.SAMPLER_CUBE_SHADOW:case _.SAMPLER_3D:case _.INT_SAMPLER_3D:case _.UNSIGNED_INT_SAMPLER_3D:I=this.samplerCount++,this.samplers[e.name]=I,this.gl.uniform1i(E,I);break;case _.INT:case _.UNSIGNED_INT:case _.FLOAT:i=S>1?T:s;break;case _.BOOL:i=S>1?R:s;break;case _.FLOAT_VEC2:case _.INT_VEC2:case _.UNSIGNED_INT_VEC2:case _.FLOAT_VEC3:case _.INT_VEC3:case _.UNSIGNED_INT_VEC3:case _.FLOAT_VEC4:case _.INT_VEC4:case _.UNSIGNED_INT_VEC4:i=T;break;case _.BOOL_VEC2:case _.BOOL_VEC3:case _.BOOL_VEC4:i=R;break;case _.FLOAT_MAT2:case _.FLOAT_MAT3:case _.FLOAT_MAT4:case _.FLOAT_MAT2x3:case _.FLOAT_MAT2x4:case _.FLOAT_MAT3x2:case _.FLOAT_MAT3x4:case _.FLOAT_MAT4x2:case _.FLOAT_MAT4x3:i=A;break;default:console.error("Unrecognized type for uniform ",e.name)}i&&(this.uniforms[e.name]=new i(t,E,r,S))}let l=t.getProgramParameter(M,t.ACTIVE_UNIFORM_BLOCKS);for(h=0;h<l;++h){let e=t.getActiveUniformBlockName(this.program,h),E=t.getUniformBlockIndex(this.program,e),_=this.uniformBlockCount++;this.gl.uniformBlockBinding(this.program,E,_),this.uniformBlocks[e]=_}t.useProgram(null)}delete(){this.program&&(this.gl.deleteProgram(this.program),this.program=null)}uniform(t,e){this.uniforms[t].set(e)}bind(){this.appState.program!==this&&(this.gl.useProgram(this.program),this.appState.program=this)}}t.exports=S},function(t,e,E){"use strict";const _=E(0),i={};i[_.BOOL]="uniform1i",i[_.INT]="uniform1i",i[_.SAMPLER_2D]="uniform1i",i[_.INT_SAMPLER_2D]="uniform1i",i[_.UNSIGNED_INT_SAMPLER_2D]="uniform1i",i[_.SAMPLER_2D_SHADOW]="uniform1i",i[_.SAMPLER_2D_ARRAY]="uniform1i",i[_.INT_SAMPLER_2D_ARRAY]="uniform1i",i[_.UNSIGNED_INT_SAMPLER_2D_ARRAY]="uniform1i",i[_.SAMPLER_2D_ARRAY_SHADOW]="uniform1i",i[_.SAMPLER_CUBE]="uniform1i",i[_.INT_SAMPLER_CUBE]="uniform1i",i[_.UNSIGNED_INT_SAMPLER_CUBE]="uniform1i",i[_.SAMPLER_CUBE_SHADOW]="uniform1i",i[_.SAMPLER_3D]="uniform1i",i[_.INT_SAMPLER_3D]="uniform1i",i[_.UNSIGNED_INT_SAMPLER_3D]="uniform1i",i[_.UNSIGNED_INT]="uniform1ui",i[_.FLOAT]="uniform1f",i[_.FLOAT_VEC2]="uniform2f",i[_.FLOAT_VEC3]="uniform3f",i[_.FLOAT_VEC4]="uniform4f",i[_.INT_VEC2]="uniform2i",i[_.INT_VEC3]="uniform3i",i[_.INT_VEC4]="uniform4i",i[_.UNSIGNED_INT_VEC2]="uniform2ui",i[_.UNSIGNED_INT_VEC3]="uniform3ui",i[_.UNSIGNED_INT_VEC4]="uniform4ui",i[_.BOOL_VEC2]="uniform2i",i[_.BOOL_VEC3]="uniform3i",i[_.BOOL_VEC4]="uniform4i",i[_.FLOAT_MAT2]="uniformMatrix2fv",i[_.FLOAT_MAT3]="uniformMatrix3fv",i[_.FLOAT_MAT4]="uniformMatrix4fv",i[_.FLOAT_MAT2x3]="uniformMatrix2x3fv",i[_.FLOAT_MAT2x4]="uniformMatrix2x4fv",i[_.FLOAT_MAT3x2]="uniformMatrix3x2fv",i[_.FLOAT_MAT3x4]="uniformMatrix3x4fv",i[_.FLOAT_MAT4x2]="uniformMatrix4x2fv",i[_.FLOAT_MAT4x3]="uniformMatrix4x3fv";const r={};r[_.BOOL]=1,r[_.INT]=1,r[_.SAMPLER_2D]=1,r[_.INT_SAMPLER_2D]=1,r[_.UNSIGNED_INT_SAMPLER_2D]=1,r[_.SAMPLER_2D_SHADOW]=1,r[_.SAMPLER_2D_ARRAY]=1,r[_.INT_SAMPLER_2D_ARRAY]=1,r[_.UNSIGNED_INT_SAMPLER_2D_ARRAY]=1,r[_.SAMPLER_2D_ARRAY_SHADOW]=1,r[_.SAMPLER_CUBE]=1,r[_.INT_SAMPLER_CUBE]=1,r[_.UNSIGNED_INT_SAMPLER_CUBE]=1,r[_.SAMPLER_CUBE_SHADOW]=1,r[_.SAMPLER_3D]=1,r[_.INT_SAMPLER_3D]=1,r[_.UNSIGNED_INT_SAMPLER_3D]=1,r[_.UNSIGNED_INT]=1,r[_.FLOAT]=1,r[_.FLOAT_VEC2]=2,r[_.FLOAT_VEC3]=3,r[_.FLOAT_VEC4]=4,r[_.INT_VEC2]=2,r[_.INT_VEC3]=3,r[_.INT_VEC4]=4,r[_.UNSIGNED_INT_VEC2]=2,r[_.UNSIGNED_INT_VEC3]=3,r[_.UNSIGNED_INT_VEC4]=4,r[_.BOOL_VEC2]=2,r[_.BOOL_VEC3]=3,r[_.BOOL_VEC4]=4,r[_.FLOAT_MAT2]=4,r[_.FLOAT_MAT3]=9,r[_.FLOAT_MAT4]=16,r[_.FLOAT_MAT2x3]=6,r[_.FLOAT_MAT2x4]=8,r[_.FLOAT_MAT3x2]=6,r[_.FLOAT_MAT3x4]=12,r[_.FLOAT_MAT4x2]=8,r[_.FLOAT_MAT4x3]=12;const s={};s[_.INT]=Int32Array,s[_.SAMPLER_2D]=Int32Array,s[_.INT_SAMPLER_2D]=Int32Array,s[_.UNSIGNED_INT_SAMPLER_2D]=Int32Array,s[_.SAMPLER_2D_SHADOW]=Int32Array,s[_.SAMPLER_2D_ARRAY]=Int32Array,s[_.INT_SAMPLER_2D_ARRAY]=Int32Array,s[_.UNSIGNED_INT_SAMPLER_2D_ARRAY]=Int32Array,s[_.SAMPLER_2D_ARRAY_SHADOW]=Int32Array,s[_.SAMPLER_CUBE]=Int32Array,s[_.INT_SAMPLER_CUBE]=Int32Array,s[_.UNSIGNED_INT_SAMPLER_CUBE]=Int32Array,s[_.SAMPLER_CUBE_SHADOW]=Int32Array,s[_.SAMPLER_3D]=Int32Array,s[_.INT_SAMPLER_3D]=Int32Array,s[_.UNSIGNED_INT_SAMPLER_3D]=Int32Array,s[_.UNSIGNED_INT]=Uint32Array,s[_.FLOAT]=Float32Array,s[_.FLOAT_VEC2]=Float32Array,s[_.FLOAT_VEC3]=Float32Array,s[_.FLOAT_VEC4]=Float32Array,s[_.INT_VEC2]=Int32Array,s[_.INT_VEC3]=Int32Array,s[_.INT_VEC4]=Int32Array,s[_.UNSIGNED_INT_VEC2]=Uint32Array,s[_.UNSIGNED_INT_VEC3]=Uint32Array,s[_.UNSIGNED_INT_VEC4]=Uint32Array;class T{constructor(t,e,E){this.gl=t,this.handle=e,this.glFuncName=i[E],this.cache=E!==_.BOOL&&0}set(t){this.cache!==t&&(this.gl[this.glFuncName](this.handle,t),this.cache=t)}}class R{constructor(t,e,E,_){this.gl=t,this.handle=e,this.glFuncName=i[E]+"v",this.count=_,this.cache=new s[E](r[E]*_)}set(t){for(let e=0,E=t.length;e<E;++e)if(this.cache[e]!==t[e])return this.gl[this.glFuncName](this.handle,t),void this.cache.set(t)}}class A{constructor(t,e,E,_){this.gl=t,this.handle=e,this.glFuncName=i[E]+"v",this.count=_,this.cache=new Array(r[E]*_).fill(!1)}set(t){for(let e=0,E=t.length;e<E;++e)if(this.cache[e]!==t[e]){this.gl[this.glFuncName](this.handle,t);for(let _=e;_<E;_++)this.cache[_]=t[_];return}}}class S{constructor(t,e,E,_){this.gl=t,this.handle=e,this.glFuncName=i[E],this.count=_,this.cache=new Float32Array(r[E]*_)}set(t){for(let e=0,E=t.length;e<E;++e)if(this.cache[e]!==t[e])return this.gl[this.glFuncName](this.handle,!1,t),void this.cache.set(t)}}t.exports.SingleComponentUniform=T,t.exports.MultiNumericUniform=R,t.exports.MultiBoolUniform=A,t.exports.MatrixUniform=S},function(t,e,E){"use strict";const _=E(0),i=E(1),r=new Array(1);class s{constructor(t,e,E,r,s=r.width,T=r.height,R,A,S=_.DUMMY_OBJECT){let h=S.format===_.DEPTH_COMPONENT?_.UNSIGNED_SHORT:_.UNSIGNED_BYTE;this.gl=t,this.binding=E,this.texture=null,this.width=-1,this.height=-1,this.depth=-1,this.type=void 0!==S.type?S.type:h,this.is3D=A,this.appState=e,this.format=null,this.internalFormat=null,this.compressed=!(!i.COMPRESSED_TYPES[S.format]&&!i.COMPRESSED_TYPES[S.internalFormat]),this.compressed?(this.format=void 0!==S.format?S.format:S.internalFormat,this.internalFormat=void 0!==S.internalFormat?S.internalFormat:S.format):(this.format=void 0!==S.format?S.format:t.RGBA,this.internalFormat=void 0!==S.internalFormat?S.internalFormat:i[this.type][this.format]),this.currentUnit=-1;let{minFilter:a=(r?t.LINEAR_MIPMAP_NEAREST:t.NEAREST),magFilter:n=(r?t.LINEAR:t.NEAREST),wrapS:N=t.REPEAT,wrapT:u=t.REPEAT,wrapR:M=t.REPEAT,compareMode:I=t.NONE,compareFunc:C=t.LEQUAL,minLOD:l=null,maxLOD:O=null,baseLevel:F=null,maxLevel:P=null,flipY:D=!1}=S;this.minFilter=a,this.magFilter=n,this.wrapS=N,this.wrapT=u,this.wrapR=M,this.compareMode=I,this.compareFunc=C,this.minLOD=l,this.maxLOD=O,this.baseLevel=F,this.maxLevel=P,this.flipY=D,this.mipmaps=a===t.LINEAR_MIPMAP_NEAREST||a===t.LINEAR_MIPMAP_LINEAR,this.resize(s,T,R),r&&this.data(r)}resize(t,e,E){if(E=E||0,t===this.width&&e===this.height&&E===this.depth)return;this.gl.deleteTexture(this.texture),-1!==this.currentUnit&&(this.appState.textures[this.currentUnit]=null),this.texture=this.gl.createTexture(),this.bind(Math.max(this.currentUnit,0)),this.width=t,this.height=e,this.depth=E,this.gl.texParameteri(this.binding,this.gl.TEXTURE_MIN_FILTER,this.minFilter),this.gl.texParameteri(this.binding,this.gl.TEXTURE_MAG_FILTER,this.magFilter),this.gl.texParameteri(this.binding,this.gl.TEXTURE_WRAP_S,this.wrapS),this.gl.texParameteri(this.binding,this.gl.TEXTURE_WRAP_T,this.wrapT),this.gl.texParameteri(this.binding,this.gl.TEXTURE_WRAP_R,this.wrapR),this.gl.texParameteri(this.binding,this.gl.TEXTURE_COMPARE_FUNC,this.compareFunc),this.gl.texParameteri(this.binding,this.gl.TEXTURE_COMPARE_MODE,this.compareMode),this.gl.pixelStorei(this.gl.UNPACK_FLIP_Y_WEBGL,this.flipY),null!==this.minLOD&&this.gl.texParameterf(this.binding,this.gl.TEXTURE_MIN_LOD,this.minLOD),null!==this.maxLOD&&this.gl.texParameterf(this.binding,this.gl.TEXTURE_MAX_LOD,this.maxLOD),null!==this.baseLevel&&this.gl.texParameteri(this.binding,this.gl.TEXTURE_BASE_LEVEL,this.baseLevel),null!==this.maxLevel&&this.gl.texParameteri(this.binding,this.gl.TEXTURE_MAX_LEVEL,this.maxLevel);let _;this.is3D?(_=this.mipmaps?Math.floor(Math.log2(Math.max(Math.max(this.width,this.height),this.depth)))+1:1,this.gl.texStorage3D(this.binding,_,this.internalFormat,this.width,this.height,this.depth)):(_=this.mipmaps?Math.floor(Math.log2(Math.max(this.width,this.height)))+1:1,this.gl.texStorage2D(this.binding,_,this.internalFormat,this.width,this.height))}data(t){Array.isArray(t)||(r[0]=t,t=r);let e,E=this.mipmaps?t.length:1,_=this.width,i=this.height,s=this.depth,T=this.mipmaps&&1===t.length;if(this.bind(Math.max(this.currentUnit,0)),this.compressed)if(this.is3D)for(e=0;e<E;++e)this.gl.compressedTexSubImage3D(this.binding,e,0,0,0,_,i,s,this.format,t[e]),_=Math.max(_>>1,1),i=Math.max(i>>1,1),s=Math.max(s>>1,1);else for(e=0;e<E;++e)this.gl.compressedTexSubImage2D(this.binding,e,0,0,_,i,this.format,t[e]),_=Math.max(_>>1,1),i=Math.max(i>>1,1);else if(this.is3D)for(e=0;e<E;++e)this.gl.texSubImage3D(this.binding,e,0,0,0,_,i,s,this.format,this.type,t[e]),_=Math.max(_>>1,1),i=Math.max(i>>1,1),s=Math.max(s>>1,1);else for(e=0;e<E;++e)this.gl.texSubImage2D(this.binding,e,0,0,_,i,this.format,this.type,t[e]),_=Math.max(_>>1,1),i=Math.max(i>>1,1);return T&&this.gl.generateMipmap(this.binding),this}delete(){this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null,-1!==this.currentUnit&&this.appState.textures[this.currentUnit]===this&&(this.appState.textures[this.currentUnit]=null,this.currentUnit=-1))}bind(t){let e=this.appState.textures[t];return e!==this&&(e&&(e.currentUnit=-1),-1!==this.currentUnit&&(this.appState.textures[this.currentUnit]=null),this.gl.activeTexture(this.gl.TEXTURE0+t),this.gl.bindTexture(this.binding,this.texture),this.appState.textures[t]=this,this.currentUnit=t),this}}t.exports=s},function(t,e,E){"use strict";const _=E(0),i=E(3);class r{constructor(t){this.gl=t,this.cpuTimer=window.performance||window.Date,this.gl.getExtension("EXT_disjoint_timer_query_webgl2")||this.gl.getExtension("EXT_disjoint_timer_query")?(this.gpuTimer=!0,this.gpuTimerQuery=new i(this.gl,_.TIME_ELAPSED_EXT)):(this.gpuTimer=!1,this.gpuTimerQuery=null),this.cpuStartTime=0,this.cpuTime=0,this.gpuTime=0}start(){this.gpuTimer?this.gpuTimerQuery.active||(this.gpuTimerQuery.begin(),this.cpuStartTime=this.cpuTimer.now()):this.cpuStartTime=this.cpuTimer.now()}end(){this.gpuTimer?this.gpuTimerQuery.active||(this.gpuTimerQuery.end(),this.cpuTime=this.cpuTimer.now()-this.cpuStartTime):this.cpuTime=this.cpuTimer.now()-this.cpuStartTime}ready(){if(this.gpuTimer){if(!this.gpuTimerQuery.active)return!1;var t=this.gpuTimerQuery.ready(),e=this.gl.getParameter(_.GPU_DISJOINT_EXT);return!(!t||e)&&(this.gpuTime=this.gpuTimerQuery.result/1e6,!0)}return!!this.cpuStartTime}}t.exports=r},function(t,e,E){"use strict";class _{constructor(t,e){this.gl=t,this.transformFeedback=t.createTransformFeedback(),this.appState=e,this.angleBugBuffers=[]}feedbackBuffer(t,e){return this.gl.bindTransformFeedback(this.gl.TRANSFORM_FEEDBACK,this.transformFeedback),this.gl.bindBufferBase(this.gl.TRANSFORM_FEEDBACK_BUFFER,t,e.buffer),this.gl.bindTransformFeedback(this.gl.TRANSFORM_FEEDBACK,null),this.gl.bindBufferBase(this.gl.TRANSFORM_FEEDBACK_BUFFER,t,null),this.angleBugBuffers[t]=e,this}delete(){this.transformFeedback&&(this.gl.deleteTransformFeedback(this.transformFeedback),this.transformFeedback=null)}bind(){if(this.appState.transformFeedback!==this){this.gl.bindTransformFeedback(this.gl.TRANSFORM_FEEDBACK,this.transformFeedback);for(let t=0,e=this.angleBugBuffers.length;t<e;++t)this.gl.bindBufferBase(this.gl.TRANSFORM_FEEDBACK_BUFFER,t,this.angleBugBuffers[t].buffer);this.appState.transformFeedback=this}return this}}t.exports=_},function(t,e,E){"use strict";const _=E(0);class i{constructor(t,e,E,i=t.DYNAMIC_DRAW){this.gl=t,this.buffer=t.createBuffer(),this.dataViews={},this.offsets=new Array(E.length),this.sizes=new Array(E.length),this.types=new Array(E.length),this.size=0,this.usage=i,this.appState=e,this.currentBase=-1;for(let t=0,e=E.length;t<e;++t){let e=E[t];switch(e){case _.FLOAT:case _.INT:case _.UNSIGNED_INT:case _.BOOL:this.offsets[t]=this.size,this.sizes[t]=1,e===_.INT?this.types[t]=_.INT:this.type===_.UNSIGNED_INT?this.types[t]=_.UNSIGNED_INT:this.types[t]=_.FLOAT,this.size++;break;case _.FLOAT_VEC2:case _.INT_VEC2:case _.UNSIGNED_INT_VEC2:case _.BOOL_VEC2:this.size+=this.size%2,this.offsets[t]=this.size,this.sizes[t]=2,e===_.INT_VEC2?this.types[t]=_.INT:this.type===_.UNSIGNED_INT_VEC2?this.types[t]=_.UNSIGNED_INT:this.types[t]=_.FLOAT,this.size+=2;break;case _.FLOAT_VEC3:case _.INT_VEC3:case _.UNSIGNED_INT_VEC3:case _.BOOL_VEC3:case _.FLOAT_VEC4:case _.INT_VEC4:case _.UNSIGNED_INT_VEC4:case _.BOOL_VEC4:this.size+=(4-this.size%4)%4,this.offsets[t]=this.size,this.sizes[t]=4,e===_.INT_VEC4||e===_.INT_VEC3?this.types[t]=_.INT:this.type===_.UNSIGNED_INT_VEC4||this.type===_.UNSIGNED_INT_VEC3?this.types[t]=_.UNSIGNED_INT:this.types[t]=_.FLOAT,this.size+=4;break;case _.FLOAT_MAT2:case _.FLOAT_MAT2x3:case _.FLOAT_MAT2x4:this.size+=(4-this.size%4)%4,this.offsets[t]=this.size,this.sizes[t]=8,this.types[t]=_.FLOAT,this.size+=8;break;case _.FLOAT_MAT3:case _.FLOAT_MAT3x2:case _.FLOAT_MAT3x4:this.size+=(4-this.size%4)%4,this.offsets[t]=this.size,this.sizes[t]=12,this.types[t]=_.FLOAT,this.size+=12;break;case _.FLOAT_MAT4:case _.FLOAT_MAT4x2:case _.FLOAT_MAT4x3:this.size+=(4-this.size%4)%4,this.offsets[t]=this.size,this.sizes[t]=16,this.types[t]=_.FLOAT,this.size+=16;break;default:console.error("Unsupported type for uniform buffer.")}}this.size+=(4-this.size%4)%4,this.data=new Float32Array(this.size),this.dataViews[_.FLOAT]=this.data,this.dataViews[_.INT]=new Int32Array(this.data.buffer),this.dataViews[_.UNSIGNED_INT]=new Uint32Array(this.data.buffer),this.gl.bindBuffer(this.gl.UNIFORM_BUFFER,this.buffer),this.gl.bufferData(this.gl.UNIFORM_BUFFER,4*this.size,this.usage),this.gl.bindBuffer(this.gl.UNIFORM_BUFFER,null)}set(t,e){let E=this.dataViews[this.types[t]];return 1===this.sizes[t]?E[this.offsets[t]]=e:E.set(e,this.offsets[t]),this}update(t){let e,E;if(void 0===t)e=this.data,E=0;else{let _=this.offsets[t],i=_+this.sizes[t];e=this.data.subarray(_,i),E=4*_}return this.gl.bindBuffer(this.gl.UNIFORM_BUFFER,this.buffer),this.gl.bufferSubData(this.gl.UNIFORM_BUFFER,E,e),this.gl.bindBuffer(this.gl.UNIFORM_BUFFER,null),this}delete(){this.buffer&&(this.gl.deleteBuffer(this.buffer),this.buffer=null,-1!==this.currentBase&&this.appState.uniformBuffers[this.currentBase]===this&&(this.appState.uniformBuffers[this.currentBase]=null))}bind(t){let e=this.appState.uniformBuffers[t];return e!==this&&(e&&(e.currentBase=-1),-1!==this.currentBase&&(this.appState.uniformBuffers[this.currentBase]=null),this.gl.bindBufferBase(this.gl.UNIFORM_BUFFER,t,this.buffer),this.appState.uniformBuffers[t]=this,this.currentBase=t),this}}t.exports=i},function(t,e,E){"use strict";const _=E(0);class i{constructor(t,e){this.gl=t,this.vertexArray=t.createVertexArray(),this.appState=e,this.numElements=0,this.indexType=null,this.instancedBuffers=0,this.indexed=!1,this.numInstances=0}vertexAttributeBuffer(t,e){return this.attributeBuffer(t,e,!1,!1,!1),this}instanceAttributeBuffer(t,e){return this.attributeBuffer(t,e,!0,!1,!1),this}vertexIntegerAttributeBuffer(t,e){return this.attributeBuffer(t,e,!1,!0,!1),this}instanceIntegerAttributeBuffer(t,e){return this.attributeBuffer(t,e,!0,!0,!1),this}vertexNormalizedAttributeBuffer(t,e){return this.attributeBuffer(t,e,!1,!1,!0),this}instanceNormalizedAttributeBuffer(t,e){return this.attributeBuffer(t,e,!0,!1,!0),this}indexBuffer(t){return this.gl.bindVertexArray(this.vertexArray),this.gl.bindBuffer(t.binding,t.buffer),this.numElements=3*t.numItems,this.indexType=t.type,this.indexed=!0,this.gl.bindVertexArray(null),this.gl.bindBuffer(t.binding,null),this}delete(){return this.vertexArray&&(this.gl.deleteVertexArray(this.vertexArray),this.vertexArray=null),this.gl.bindVertexArray(null),this}bind(){return this.appState.vertexArray!==this&&(this.gl.bindVertexArray(this.vertexArray),this.appState.vertexArray=this),this}attributeBuffer(t,e,E,i,r){this.gl.bindVertexArray(this.vertexArray),this.gl.bindBuffer(e.binding,e.buffer);let s=e.numColumns;for(let T=0;T<s;++T)i?this.gl.vertexAttribIPointer(t+T,e.itemSize,e.type,s*e.itemSize*_.TYPE_SIZE[e.type],T*e.itemSize*_.TYPE_SIZE[e.type]):this.gl.vertexAttribPointer(t+T,e.itemSize,e.type,r,s*e.itemSize*_.TYPE_SIZE[e.type],T*e.itemSize*_.TYPE_SIZE[e.type]),E&&this.gl.vertexAttribDivisor(t+T,1),this.gl.enableVertexAttribArray(t+T);return this.instanced=this.instanced||E,E?this.numInstances=e.numItems:this.numElements=this.numElements||e.numItems,this.gl.bindVertexArray(null),this.gl.bindBuffer(e.binding,null),this}}t.exports=i},function(t,e,E){"use strict";const _=E(0);class i{constructor(t,e,E,i,r,s=t.STATIC_DRAW,T){let R;switch(E){case _.FLOAT_MAT4:case _.FLOAT_MAT4x2:case _.FLOAT_MAT4x3:R=4;break;case _.FLOAT_MAT3:case _.FLOAT_MAT3x2:case _.FLOAT_MAT3x4:R=3;break;case _.FLOAT_MAT2:case _.FLOAT_MAT2x3:case _.FLOAT_MAT2x4:R=2;break;default:R=1}switch(E){case _.FLOAT_MAT4:case _.FLOAT_MAT3x4:case _.FLOAT_MAT2x4:i=4,E=_.FLOAT;break;case _.FLOAT_MAT3:case _.FLOAT_MAT4x3:case _.FLOAT_MAT2x3:i=3,E=_.FLOAT;break;case _.FLOAT_MAT2:case _.FLOAT_MAT3x2:case _.FLOAT_MAT4x2:i=2,E=_.FLOAT}let A;"number"==typeof r?(A=r,r*=_.TYPE_SIZE[E]):A=r.length,this.gl=t,this.buffer=t.createBuffer(),this.appState=e,this.type=E,this.itemSize=i,this.numItems=A/(i*R),this.numColumns=R,this.usage=s,this.indexArray=!!T,this.binding=this.indexArray?t.ELEMENT_ARRAY_BUFFER:t.ARRAY_BUFFER,t.bindBuffer(this.binding,this.buffer),t.bufferData(this.binding,r,this.usage),t.bindBuffer(this.binding,null)}data(t){let e=this.appState.vertexArray;return e&&this.gl.bindVertexArray(null),this.gl.bindBuffer(this.binding,this.buffer),this.gl.bufferSubData(this.binding,0,t),this.gl.bindBuffer(this.binding,null),e&&this.gl.bindVertexArray(e.vertexArray),this}delete(){this.buffer&&(this.gl.deleteBuffer(this.buffer),this.buffer=null)}}t.exports=i}])});