import{f as H,d as p}from"./WGLContainer-21aabd6b.js";import{n as nt,e as at}from"./programUtils-90c90c70.js";import{M as g,Y as G,eA as L,bU as z,z as lt,gU as ot,bz as ht}from"./index-b5c8f851.js";import{e as P,T as st,b,u as Y,d as _t}from"./Texture-507d5ea8.js";import{R,T as k,N as B,S as it,O as U,I as m,V as T,F as x,A as a,E,C as S,D as w,L as O,G as X,U as N,P as ut,f as ft,X as j,Y as D,_ as v,n as d,r as ct,e as K,M}from"./enums-bdecffa2.js";import{o as q,S as dt,s as Et,G as gt}from"./OrderIndependentTransparency-6ae10952.js";import{h as C,E as y}from"./FramebufferObject-4be671ef.js";import{t as I,f as pt,T as Ft}from"./testSVGPremultipliedAlpha-eac2b0ee.js";import{r as bt}from"./floatRGBA-ba8d5dad.js";import{t as Z}from"./doublePrecisionUtils-e3c3d0d8.js";import{f as W}from"./ProgramTemplate-a9187eb2.js";import{t as $}from"./VertexElementDescriptor-2925c6af.js";const Bt=e=>{let t="";t+=e[0].toUpperCase();for(let s=1;s<e.length;s++){const i=e[s];i===i.toUpperCase()?(t+="_",t+=i):t+=i.toUpperCase()}return t},Rt=e=>{const t={};for(const s in e)t[Bt(s)]=e[s];return nt(t)},ee=(e,t,s,i)=>{const r=e+e.substring(e.lastIndexOf("/")),n=t+t.substring(t.lastIndexOf("/")),o=Rt(i);return{attributes:s,shaders:{vertexShader:o+H(`${r}.vert`),fragmentShader:o+H(`${n}.frag`)}}};let Q=class{constructor(){this.blend=!1,this.blendColor={r:0,g:0,b:0,a:0},this.blendFunction={srcRGB:R.ONE,dstRGB:R.ZERO,srcAlpha:R.ONE,dstAlpha:R.ZERO},this.blendEquation={mode:k.ADD,modeAlpha:k.ADD},this.colorMask={r:!0,g:!0,b:!0,a:!0},this.faceCulling=!1,this.cullFace=B.BACK,this.frontFace=it.CCW,this.scissorTest=!1,this.scissorRect={x:0,y:0,width:0,height:0},this.depthTest=!1,this.depthFunction=U.LESS,this.clearDepth=1,this.depthWrite=!0,this.depthRange={zNear:0,zFar:1},this.viewport=null,this.stencilTest=!1,this.polygonOffsetFill=!1,this.polygonOffset=[0,0],this.stencilFunction={face:B.FRONT_AND_BACK,func:U.ALWAYS,ref:0,mask:1},this.clearStencil=0,this.stencilWriteMask=1,this.stencilOperation={face:B.FRONT_AND_BACK,fail:m.KEEP,zFail:m.KEEP,zPass:m.KEEP},this.clearColor={r:0,g:0,b:0,a:0},this.program=null,this.vertexBuffer=null,this.indexBuffer=null,this.uniformBuffer=null,this.pixelPackBuffer=null,this.pixelUnpackBuffer=null,this.copyReadBuffer=null,this.copyWriteBuffer=null,this.uniformBufferBindingPoints=new Array,this.readFramebuffer=null,this.drawFramebuffer=null,this.renderbuffer=null,this.activeTexture=0,this.textureUnitMap=new Array,this.vertexArrayObject=null}},Tt=class{constructor(t){this._allocations=new Map,t?Error.stackTraceLimit=1/0:(this.add=()=>{},this.remove=()=>{})}add(t){this._allocations.set(t,new Error().stack)}remove(t){this._allocations.delete(t)}get information(){let t="";if(this._allocations.size>0){t+=`${this._allocations.size} live object allocations:
`;const s=new Map;this._allocations.forEach(i=>{s.set(i,(s.get(i)??0)+1)}),s.forEach((i,r)=>{const n=r.split(`
`);n.shift(),n.shift(),t+=`${i}: ${n.shift()}
`,n.forEach(o=>t+=`   ${o}
`)})}return t}};const mt={RECORD_ALLOCATIONS:!1};let At=class{constructor(){for(this._current=new Array,this._allocations=new Tt(mt.RECORD_ALLOCATIONS);this._current.length<T.COUNT;)this._current.push(0)}increment(t,s,i=1){this._current[t]+=i,this._allocations.add(s)}decrement(t,s,i=1){this._current[t]-=i,this._allocations.remove(s)}get current(){return this._current}get total(){return this.current.reduce((t,s,i)=>t+(i<T.UNCOUNTED?s:0),0)}get resourceInformation(){let t="";if(this.total>0){t+=`Live objects:
`;for(let s=0;s<T.COUNT;++s){const i=this._current[s];i>0&&(t+=`${T[s]}: ${i}
`)}}return t+=this._allocations.information,t}};class xt{constructor(t,s,i){const r=s.textureFilterAnisotropic,n=i.maxAnisotropy??1/0;this.versionString=t.getParameter(t.VERSION),this.maxVertexTextureImageUnits=t.getParameter(t.MAX_VERTEX_TEXTURE_IMAGE_UNITS),this.maxVertexAttributes=t.getParameter(t.MAX_VERTEX_ATTRIBS),this.maxMaxAnisotropy=r?Math.min(t.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY),n):1,this.maxTextureImageUnits=t.getParameter(t.MAX_TEXTURE_IMAGE_UNITS),this.maxTextureSize=t.getParameter(t.MAX_TEXTURE_SIZE),this.maxRenderbufferSize=t.getParameter(t.MAX_RENDERBUFFER_SIZE),this.maxViewportDims=t.getParameter(t.MAX_VIEWPORT_DIMS),p(t)?(this.maxUniformBufferBindings=t.getParameter(t.MAX_UNIFORM_BUFFER_BINDINGS),this.maxVertexUniformBlocks=t.getParameter(t.MAX_VERTEX_UNIFORM_BLOCKS),this.maxFragmentUniformBlocks=t.getParameter(t.MAX_FRAGMENT_UNIFORM_BLOCKS),this.maxUniformBlockSize=t.getParameter(t.MAX_UNIFORM_BLOCK_SIZE),this.uniformBufferOffsetAlignment=t.getParameter(t.UNIFORM_BUFFER_OFFSET_ALIGNMENT),this.maxArrayTextureLayers=t.getParameter(t.MAX_ARRAY_TEXTURE_LAYERS),this.maxSamples=t.getParameter(t.MAX_SAMPLES)):(this.maxUniformBufferBindings=0,this.maxVertexUniformBlocks=0,this.maxFragmentUniformBlocks=0,this.maxUniformBlockSize=0,this.uniformBufferOffsetAlignment=1,this.maxArrayTextureLayers=1,this.maxSamples=1)}}let St=class rt{constructor(t){this._rctx=t,this._indexBuffer=this._createIndexbuffer(),this._program=this._createHelperProgram()}static getShaderSources(){return{vertex:`#version 300 es
    precision highp float;

    void main(void) {
      gl_Position = vec4(0.0, 0.0, float(gl_VertexID)-2.0, 1.0);
    }`,fragment:`#version 300 es
    precision highp float;

    out vec4 fragColor;

    void main(void) {
      fragColor = vec4(0.0, 0.0, 0.0, 1.0);
    }`}}_createHelperProgram(){const t=rt.getShaderSources();return this._rctx.programCache.acquire(t.vertex,t.fragment,new Map([]))}_createIndexbuffer(){return C.createIndex(this._rctx,x.STATIC_DRAW,new Uint32Array([0]))}run(){this._program.compiled&&this._indexBuffer&&(this._rctx.bindVAO(null),this._rctx.useProgram(this._program),this._rctx.bindBuffer(this._indexBuffer,a.ELEMENT_ARRAY_BUFFER),this._rctx.drawElements(E.POINTS,1,S.UNSIGNED_INT,0))}dispose(){this._program.dispose(),this._indexBuffer.dispose()}get test(){var t;return{cachedWebGLObjects:(t=this._indexBuffer)!=null&&t.glName?1:0}}};class Ot extends I{constructor(t){super(),this._rctx=t,this._helperProgram=null,this._rctx.type===g.WEBGL2&&G("mac")&&G("chrome")&&(this._program=this._prepareProgram(),this._helperProgram=this._prepareHelperProgram())}dispose(){var t;super.dispose(),(t=this._helperProgram)==null||t.dispose(),this._helperProgram=null}_test(t){const s=this._rctx,i=s.getBoundFramebufferObject(),{x:r,y:n,width:o,height:l}=s.getViewport();s.resetState();const h=new P(1);h.wrapMode=w.CLAMP_TO_EDGE,h.samplingMode=O.NEAREST;const _=new y(s,h),u=C.createIndex(this._rctx,x.STATIC_DRAW,new Uint8Array([0]));s.bindFramebuffer(_),s.setViewport(0,0,1,1),s.useProgram(this._helperProgram),s.bindBuffer(u,a.ELEMENT_ARRAY_BUFFER),s.drawElements(E.POINTS,1,S.UNSIGNED_BYTE,0),s.useProgram(t),s.bindVAO(null),s.drawArrays(E.TRIANGLES,0,258);const f=new Uint8Array(4);return _.readPixels(0,0,1,1,X.RGBA,N.UNSIGNED_BYTE,f),s.setViewport(r,n,o,l),s.bindFramebuffer(i),_.dispose(),u.dispose(),f[0]===255}_prepareProgram(){const s=`#version 300 es
    precision highp float;

    out float triangleId;

    const vec3 triangleVertices[3] = vec3[3](vec3(-0.5, -0.5, 0.0), vec3(0.5, -0.5, 0.0), vec3(0.0, 0.5, 0.0));

    void main(void) {
      triangleId = floor(float(gl_VertexID)/3.0);

      vec3 position = triangleVertices[gl_VertexID % 3];
      float offset = triangleId / ${q.float(85)};
      position.z = 0.5 - offset;

      gl_Position = vec4(position, 1.0);
    }
    `,i=`#version 300 es
    precision highp float;

    in float triangleId;

    out vec4 fragColor;

    void main(void) {
      fragColor = triangleId == ${q.float(85)} ? vec4(0.0, 1.0, 0.0, 1.0) : vec4(1.0, 0.0, 0.0, 1.0);
    }
    `;return this._rctx.programCache.acquire(s,i,new Map([]))}_prepareHelperProgram(){const t=St.getShaderSources();return this._rctx.programCache.acquire(t.vertex,t.fragment,new Map([]))}}let Ct=class extends I{constructor(t){super(),this._rctx=t,this._program=J(this._rctx,!1),this._obfuscated=J(this._rctx,!0)}dispose(){super.dispose(),this._obfuscated=L(this._obfuscated)}_test(t){if(G("force-double-precision-obfuscation"))return!0;if(this._obfuscated==null)return!1;const s=this._runProgram(t),i=this._runProgram(this._obfuscated);return s!==0&&(i===0||s/i>5)}_runProgram(t){const s=this._rctx;s.resetState();const i=new P(1);i.wrapMode=w.CLAMP_TO_EDGE,i.samplingMode=O.NEAREST;const r=new y(s,i),n=C.createVertex(s,x.STATIC_DRAW,new Uint16Array([0,0,1,0,0,1,1,1])),o=new W(s,new Map([["position",0]]),{geometry:[new $("position",2,S.UNSIGNED_SHORT,0,4)]},{geometry:n}),l=z(5633261287538229e-9,2626832878767164e-9,1.4349880495278358e6),h=z(563327146742708e-8,2.6268736381334523e6,1434963231608387e-9),_=new Float32Array(6);Z(l,_,3);const u=new Float32Array(6);Z(h,u,3),s.useProgram(t),t.setUniform3f("u_highA",_[0],_[2],_[4]),t.setUniform3f("u_lowA",_[1],_[3],_[5]),t.setUniform3f("u_highB",u[0],u[2],u[4]),t.setUniform3f("u_lowB",u[1],u[3],u[5]),s.bindFramebuffer(r),s.setViewport(0,0,1,1),s.bindVAO(o),s.drawArrays(E.TRIANGLE_STRIP,0,4);const f=new Uint8Array(4);r.readPixels(0,0,1,1,X.RGBA,N.UNSIGNED_BYTE,f),o.dispose(),r.dispose();const F=(l[2]-h[2])/25,A=bt(f);return Math.abs(F-A)}};function J(e,t){const s=`

  precision highp float;

  attribute vec2 position;

  uniform vec3 u_highA;
  uniform vec3 u_lowA;
  uniform vec3 u_highB;
  uniform vec3 u_lowB;

  varying vec4 v_color;

  ${t?"#define DOUBLE_PRECISION_REQUIRES_OBFUSCATION":""}

  #ifdef DOUBLE_PRECISION_REQUIRES_OBFUSCATION

  vec3 dpPlusFrc(vec3 a, vec3 b) {
    return mix(a, a + b, vec3(notEqual(b, vec3(0))));
  }

  vec3 dpMinusFrc(vec3 a, vec3 b) {
    return mix(vec3(0), a - b, vec3(notEqual(a, b)));
  }

  vec3 dpAdd(vec3 hiA, vec3 loA, vec3 hiB, vec3 loB) {
    vec3 t1 = dpPlusFrc(hiA, hiB);
    vec3 e = dpMinusFrc(t1, hiA);
    vec3 t2 = dpMinusFrc(hiB, e) + dpMinusFrc(hiA, dpMinusFrc(t1, e)) + loA + loB;
    return t1 + t2;
  }

  #else

  vec3 dpAdd(vec3 hiA, vec3 loA, vec3 hiB, vec3 loB) {
    vec3 t1 = hiA + hiB;
    vec3 e = t1 - hiA;
    vec3 t2 = ((hiB - e) + (hiA - (t1 - e))) + loA + loB;
    return t1 + t2;
  }

  #endif

  const float MAX_RGBA_FLOAT =
    255.0 / 256.0 +
    255.0 / 256.0 / 256.0 +
    255.0 / 256.0 / 256.0 / 256.0 +
    255.0 / 256.0 / 256.0 / 256.0 / 256.0;

  const vec4 FIXED_POINT_FACTORS = vec4(1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0);

  vec4 float2rgba(const float value) {
    // Make sure value is in the domain we can represent
    float valueInValidDomain = clamp(value, 0.0, MAX_RGBA_FLOAT);

    // Decompose value in 32bit fixed point parts represented as
    // uint8 rgba components. Decomposition uses the fractional part after multiplying
    // by a power of 256 (this removes the bits that are represented in the previous
    // component) and then converts the fractional part to 8bits.
    vec4 fixedPointU8 = floor(fract(valueInValidDomain * FIXED_POINT_FACTORS) * 256.0);

    // Convert uint8 values (from 0 to 255) to floating point representation for
    // the shader
    const float toU8AsFloat = 1.0 / 255.0;

    return fixedPointU8 * toU8AsFloat;
  }

  void main() {
    vec3 val = dpAdd(u_highA, u_lowA, -u_highB, -u_lowB);

    v_color = float2rgba(val.z / 25.0);

    gl_Position = vec4(position * 2.0 - 1.0, 0.0, 1.0);
  }
  `,i=`
  precision highp float;

  varying vec4 v_color;

  void main() {
    gl_FragColor = v_color;
  }
  `;return e.programCache.acquire(s,i,new Map([["position",0]]))}let vt=class extends I{constructor(t){var r,n,o,l,h;if(super(),this._rctx=t,!t.gl)return;if(t.type===g.WEBGL1)return void(this._result=!(!((r=t.capabilities.textureFloat)!=null&&r.textureFloat)||!((n=t.capabilities.colorBufferFloat)!=null&&n.textureFloat)));if(!((o=t.capabilities.textureFloat)!=null&&o.textureFloat&&((l=t.capabilities.colorBufferFloat)!=null&&l.textureFloat)&&((h=t.capabilities.colorBufferFloat)!=null&&h.floatBlend)))return;const s=`
    precision highp float;
    attribute vec2 a_pos;

    void main() {
      gl_Position = vec4(a_pos * 2.0 - 1.0, 0.0, 1.0);
    }
    `,i=`
     precision highp float;

     void main() {
      gl_FragColor = vec4(0.5, 0.5, 0.5, 0.5);
     }
    `;this._program=t.programCache.acquire(s,i,new Map([["a_pos",0]]))}_test(t){const s=this._rctx,i=new P(1);i.wrapMode=w.CLAMP_TO_EDGE,i.dataType=N.FLOAT,i.internalFormat=ut.RGBA32F,i.samplingMode=O.NEAREST;const r=new y(s,i),n=C.createVertex(s,x.STATIC_DRAW,new Uint16Array([0,0,1,0,0,1,1,1])),o=new W(s,new Map([["a_pos",0]]),{geometry:[new $("a_pos",2,S.UNSIGNED_SHORT,0,4)]},{geometry:n});s.useProgram(t);const l=s.getBoundFramebufferObject(),{x:h,y:_,width:u,height:f}=s.getViewport();s.bindFramebuffer(r),s.setViewport(0,0,1,1),s.bindVAO(o),s.drawArrays(E.TRIANGLE_STRIP,0,4);const F=dt({blending:Et});s.setPipelineState(F),s.drawArrays(E.TRIANGLE_STRIP,0,4);const A=s.gl.getError();return s.setViewport(h,_,u,f),s.bindFramebuffer(l),o.dispose(),r.dispose(),A!==1282||(console.warn("Device claims support for WebGL extension EXT_float_blend but does not support it. Using fall back."),!1)}};class Mt extends I{constructor(t){super(),this._rctx=t;const s=`
      precision highp float;
      attribute vec2 a_pos;
      uniform highp sampler2D u_texture;
      varying vec4 v_color;

      float getBit(in float bitset, in int bitIndex) {
        float offset = pow(2.0, float(bitIndex));
        return mod(floor(bitset / offset), 2.0);
      }

      void main() {
        vec4 value = texture2D(u_texture, vec2(0.0));
        float bit = getBit(value.x * 255.0, 1);

        v_color = bit * vec4(1.0);
        gl_Position = vec4(a_pos * 2.0 - 1.0, 0.0, 1.0);
      }
      `,i=`
      precision highp float;
      varying vec4 v_color;

      void main() {
        gl_FragColor = v_color;
      }
      `;this._program=t.programCache.acquire(s,i,new Map([["a_pos",0]]))}_test(t){const s=this._rctx,i=new P(1);i.wrapMode=w.CLAMP_TO_EDGE,i.samplingMode=O.NEAREST;const r=new y(s,i),n=new Uint8Array(4),o=C.createVertex(s,x.STATIC_DRAW,new Uint16Array([0,0,1,0,0,1,1,1])),l=new W(s,new Map([["a_position",0]]),{geometry:[new $("a_position",2,S.SHORT,0,4)]},{geometry:o});s.useProgram(t);const h=new st(s,i,new Uint8Array([2,255,0,0]));t.setUniform1i("u_texture",0),s.bindTexture(h,0);const _=s.getBoundFramebufferObject();s.bindFramebuffer(r),s.useProgram(t);const{x:u,y:f,width:F,height:A}=s.getViewport();s.setViewport(0,0,1,1),s.bindVAO(l),s.drawArrays(E.TRIANGLE_STRIP,0,4),s.setViewport(u,f,F,A),r.readPixels(0,0,1,1,X.RGBA,N.UNSIGNED_BYTE,n),l.dispose(),r.dispose();const V=n[0]!==255||n[1]!==255||n[2]!==255||n[3]!==255;return V&&lt.getLogger("esri.views.webgl.testSamplerPrecision").warn(`A problem was detected with your graphics driver. Your driver does not appear to honor sampler precision specifiers, which may result in rendering issues due to numerical instability. We recommend ensuring that your drivers have been updated to the latest version. Applying lowp sampler workaround. [${n[0]}.${n[1]}.${n[2]}.${n[3]}]`),s.bindFramebuffer(_),V}}let Ut=class{constructor(t){this.rctx=t,this.floatBufferBlend=new vt(t),this.svgPremultipliesAlpha=new pt(t),this.doublePrecisionRequiresObfuscation=new Ct(t),this.ignoresSamplerPrecision=new Mt(t),this.drawArraysRequiresIndicesTypeReset=new Ot(t)}dispose(){this.ignoresSamplerPrecision.dispose(),this.doublePrecisionRequiresObfuscation.dispose(),this.svgPremultipliesAlpha.dispose(),this.floatBufferBlend.dispose(),this.drawArraysRequiresIndicesTypeReset.dispose()}};function Pt(e,t){if(t.disjointTimerQuery)return null;if(p(e))return{drawBuffers:e.drawBuffers.bind(e),MAX_DRAW_BUFFERS:e.MAX_DRAW_BUFFERS,MAX_COLOR_ATTACHMENTS:e.MAX_COLOR_ATTACHMENTS};if(t.drawBuffers)return null;const s=e.getExtension("WEBGL_draw_buffers");return s?{drawBuffers:s.drawBuffersWEBGL.bind(s),MAX_DRAW_BUFFERS:s.MAX_DRAW_BUFFERS_WEBGL,MAX_COLOR_ATTACHMENTS:s.MAX_COLOR_ATTACHMENTS_WEBGL}:null}function wt(e,t){if(t.compressedTextureETC)return null;const s=e.getExtension("WEBGL_compressed_texture_etc");return s?{COMPRESSED_R11_EAC:s.COMPRESSED_R11_EAC,COMPRESSED_SIGNED_R11_EAC:s.COMPRESSED_SIGNED_R11_EAC,COMPRESSED_RG11_EAC:s.COMPRESSED_RG11_EAC,COMPRESSED_SIGNED_RG11_EAC:s.COMPRESSED_SIGNED_RG11_EAC,COMPRESSED_RGB8_ETC2:s.COMPRESSED_RGB8_ETC2,COMPRESSED_SRGB8_ETC2:s.COMPRESSED_SRGB8_ETC2,COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:s.COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:s.COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,COMPRESSED_RGBA8_ETC2_EAC:s.COMPRESSED_RGBA8_ETC2_EAC,COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:s.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC}:null}function Nt(e,t){if(t.compressedTextureS3TC)return null;const s=e.getExtension("WEBGL_compressed_texture_s3tc");return s?{COMPRESSED_RGB_S3TC_DXT1:s.COMPRESSED_RGB_S3TC_DXT1_EXT,COMPRESSED_RGBA_S3TC_DXT1:s.COMPRESSED_RGBA_S3TC_DXT1_EXT,COMPRESSED_RGBA_S3TC_DXT3:s.COMPRESSED_RGBA_S3TC_DXT3_EXT,COMPRESSED_RGBA_S3TC_DXT5:s.COMPRESSED_RGBA_S3TC_DXT5_EXT}:null}function yt(e,t){if(p(e))return{MIN:e.MIN,MAX:e.MAX};if(t.blendMinMax)return null;{const s=e.getExtension("EXT_blend_minmax");return s?{MIN:s.MIN_EXT,MAX:s.MAX_EXT}:null}}function It(e,t){if(t.textureFilterAnisotropic)return null;const s=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");return s?{MAX_TEXTURE_MAX_ANISOTROPY:s.MAX_TEXTURE_MAX_ANISOTROPY_EXT,TEXTURE_MAX_ANISOTROPY:s.TEXTURE_MAX_ANISOTROPY_EXT}:null}function Dt(e,t){if(p(e))return{textureFloat:!0,textureFloatLinear:!t.textureFloatLinear&&!!e.getExtension("OES_texture_float_linear"),textureHalfFloat:!0,textureHalfFloatLinear:!0,HALF_FLOAT:e.HALF_FLOAT,R16F:e.R16F,RG16F:e.RG16F,RGBA16F:e.RGBA16F,R32F:e.R32F,RG32F:e.RG32F,RGBA32F:e.RGBA32F,R11F_G11F_B10F:e.R11F_G11F_B10F,RGB16F:e.RGB16F};if(e instanceof WebGLRenderingContext){const s=!t.textureHalfFloat&&e.getExtension("OES_texture_half_float");return{textureFloat:!t.textureFloat&&!!e.getExtension("OES_texture_float"),textureFloatLinear:!t.textureFloatLinear&&!!e.getExtension("OES_texture_float_linear"),textureHalfFloat:!!s,textureHalfFloatLinear:!t.textureHalfFloatLinear&&!!e.getExtension("OES_texture_half_float_linear"),HALF_FLOAT:s?s.HALF_FLOAT_OES:void 0}}return null}function Gt(e,t){if(p(e)){const s=!t.colorBufferHalfFloat&&e.getExtension("EXT_color_buffer_half_float")||!t.colorBufferFloat&&e.getExtension("EXT_color_buffer_float"),i=!t.colorBufferFloat&&e.getExtension("EXT_color_buffer_float"),r=!t.floatBlend&&!t.colorBufferFloat&&e.getExtension("EXT_float_blend");return s||i||r?{textureFloat:!!i,textureHalfFloat:!!s,floatBlend:!!r,R16F:e.R16F,RG16F:e.RG16F,RGBA16F:e.RGBA16F,R32F:e.R32F,RG32F:e.RG32F,RGBA32F:e.RGBA32F,R11F_G11F_B10F:e.R11F_G11F_B10F,RGB16F:e.RGB16F}:null}if(e instanceof WebGLRenderingContext){const s=!t.colorBufferHalfFloat&&e.getExtension("EXT_color_buffer_half_float"),i=!t.colorBufferFloat&&e.getExtension("WEBGL_color_buffer_float"),r=!t.floatBlend&&!t.colorBufferFloat&&e.getExtension("EXT_float_blend");return s||i||r?{textureFloat:!!i,textureHalfFloat:!!s,floatBlend:!!r,RGBA16F:s?s.RGBA16F_EXT:void 0,RGB16F:s?s.RGB16F_EXT:void 0,RGBA32F:i?i.RGBA32F_EXT:void 0}:null}return null}function tt(e,t,s,i,r){if(i&&p(e))return!0;if(t[s])return!1;for(const n of r)if(e.getExtension(n))return!0;return!1}function Lt(e,t){if(!p(e)||t.textureNorm16)return null;const s=e.getExtension("EXT_texture_norm16");return s?{R16:s.R16_EXT,RG16:s.RG16_EXT,RGB16:s.RGB16_EXT,RGBA16:s.RGBA16_EXT,R16_SNORM:s.R16_SNORM_EXT,RG16_SNORM:s.RG16_SNORM_EXT,RGB16_SNORM:s.RGB16_SNORM_EXT,RGBA16_SNORM:s.RGBA16_SNORM_EXT}:null}function kt(e,t){const s=t.loseContext&&e.getExtension("WEBGL_lose_context");return s?{loseRenderingContext:()=>s.loseContext()}:null}function Xt(e,t){if(p(e))return{createVertexArray:e.createVertexArray.bind(e),deleteVertexArray:e.deleteVertexArray.bind(e),bindVertexArray:e.bindVertexArray.bind(e)};if(t.vao)return null;const s=e.getExtension("OES_vertex_array_object")||e.getExtension("MOZ_OES_vertex_array_object")||e.getExtension("WEBKIT_OES_vertex_array_object");return s?{createVertexArray:s.createVertexArrayOES.bind(s),deleteVertexArray:s.deleteVertexArrayOES.bind(s),bindVertexArray:s.bindVertexArrayOES.bind(s)}:null}class Wt{constructor(t,s){this._gl=t,this._vertexArrayObject=null,this._compressedTextureETC=null,this._compressedTextureS3TC=null,this._textureFilterAnisotropic=null,this._textureFloat=null,this._colorBufferFloat=null,this._minMaxBlending=null,this._loseContext=null,this._drawBuffers=null,this._textureNorm16=null,this._depthTexture=null,this._textureFloatLinear=null,this._disabledExtensions=s.disabledExtensions||{},this._debugWebGLExtensions=s.debugWebGLExtensions||{}}get drawBuffers(){return this._drawBuffers||(this._drawBuffers=Pt(this._gl,this._disabledExtensions)),this._drawBuffers}get vao(){return this._vertexArrayObject||(this._vertexArrayObject=Xt(this._gl,this._disabledExtensions)),this._vertexArrayObject}get compressedTextureETC(){return this._compressedTextureETC||(this._compressedTextureETC=wt(this._gl,this._disabledExtensions)),this._compressedTextureETC}get compressedTextureS3TC(){return this._compressedTextureS3TC||(this._compressedTextureS3TC=Nt(this._gl,this._disabledExtensions)),this._compressedTextureS3TC}get textureFilterAnisotropic(){return this._textureFilterAnisotropic||(this._textureFilterAnisotropic=It(this._gl,this._disabledExtensions)),this._textureFilterAnisotropic}get disjointTimerQuery(){return this._disjointTimerQuery||(this._disjointTimerQuery=Ft(this._gl,this._disabledExtensions)),this._disjointTimerQuery}get textureFloat(){return this._textureFloat||(this._textureFloat=Dt(this._gl,this._disabledExtensions)),this._textureFloat}get colorBufferFloat(){return this._colorBufferFloat||(this._colorBufferFloat=Gt(this._gl,this._disabledExtensions)),this._colorBufferFloat}get blendMinMax(){return this._minMaxBlending||(this._minMaxBlending=yt(this._gl,this._disabledExtensions)),this._minMaxBlending}get depthTexture(){return this._depthTexture===null&&(this._depthTexture=tt(this._gl,this._disabledExtensions,"depthTexture",!0,["WEBGL_depth_texture","MOZ_WEBGL_depth_texture","WEBKIT_WEBGL_depth_texture"])),this._depthTexture}get loseContext(){return this._loseContext||(this._loseContext=kt(this._gl,this._debugWebGLExtensions)),this._loseContext}get textureNorm16(){return this._textureNorm16||(this._textureNorm16=Lt(this._gl,this._disabledExtensions)),this._textureNorm16}get textureFloatLinear(){return this._textureFloatLinear===null&&(this._textureFloatLinear=tt(this._gl,this._disabledExtensions,"textureFloatLinear",!1,["OES_texture_float_linear"])),this._textureFloatLinear}enable(t){return this[t]}}let oe=class{constructor(e,t){this.gl=e,this.instanceCounter=new At,this.programCache=new at(this),this._state=new Q,this._numOfDrawCalls=0,this._numOfTriangles=0,this.type=p(e)?g.WEBGL2:g.WEBGL1,this._loadExtensions(),this.configure(t)}get gl2(){return this.type===g.WEBGL1?null:this.gl}configure(e){this._capabilities=new Wt(this.gl,e),this._parameters=new xt(this.gl,this._capabilities,e),st.TEXTURE_UNIT_FOR_UPDATES=this._parameters.maxTextureImageUnits-1;const t=this.gl.getParameter(this.gl.VIEWPORT);this._state=new Q,this._state.viewport={x:t[0],y:t[1],width:t[2],height:t[3]},this._stateTracker=new gt({setBlending:s=>{if(s){this.setBlendingEnabled(!0),this.setBlendEquationSeparate(s.opRgb,s.opAlpha),this.setBlendFunctionSeparate(s.srcRgb,s.dstRgb,s.srcAlpha,s.dstAlpha);const i=s.color;this.setBlendColor(i.r,i.g,i.b,i.a)}else this.setBlendingEnabled(!1)},setCulling:s=>{s?(this.setFaceCullingEnabled(!0),this.setCullFace(s.face),this.setFrontFace(s.mode)):this.setFaceCullingEnabled(!1)},setPolygonOffset:s=>{s?(this.setPolygonOffsetFillEnabled(!0),this.setPolygonOffset(s.factor,s.units)):this.setPolygonOffsetFillEnabled(!1)},setDepthTest:s=>{s?(this.setDepthTestEnabled(!0),this.setDepthFunction(s.func)):this.setDepthTestEnabled(!1)},setStencilTest:s=>{if(s){this.setStencilTestEnabled(!0);const i=s.function;this.setStencilFunction(i.func,i.ref,i.mask);const r=s.operation;this.setStencilOp(r.fail,r.zFail,r.zPass)}else this.setStencilTestEnabled(!1)},setDepthWrite:s=>{s?(this.setDepthWriteEnabled(!0),this.setDepthRange(s.zNear,s.zFar)):this.setDepthWriteEnabled(!1)},setColorWrite:s=>{s?this.setColorMask(s.r,s.g,s.b,s.a):this.setColorMask(!1,!1,!1,!1)},setStencilWrite:s=>{s?this.setStencilWriteMask(s.mask):this.setStencilWriteMask(0)},setDrawBuffers:s=>{const{drawBuffers:i}=this._capabilities;if(s)i==null||i.drawBuffers(s.buffers);else{const{drawFramebuffer:r}=this._state;r===null||r.colorAttachments.length===0?i==null||i.drawBuffers([ft.BACK]):i==null||i.drawBuffers([j.COLOR_ATTACHMENT0])}}}),this.enforceState(),L(this._driverTest),this._driverTest=new Ut(this)}dispose(){L(this._driverTest),this.programCache.dispose(),this.bindVAO(null),this.unbindBuffer(a.ARRAY_BUFFER),this.unbindBuffer(a.ELEMENT_ARRAY_BUFFER),this.type===g.WEBGL2&&(this.unbindBuffer(a.UNIFORM_BUFFER),this._state.uniformBufferBindingPoints.length=0,this.unbindBuffer(a.PIXEL_PACK_BUFFER),this.unbindBuffer(a.PIXEL_UNPACK_BUFFER),this.unbindBuffer(a.COPY_READ_BUFFER),this.unbindBuffer(a.COPY_WRITE_BUFFER)),this._state.textureUnitMap.length=0,b()&&console.log(this.instanceCounter.resourceInformation)}get driverTest(){return this._driverTest}get contextAttributes(){return this.gl.getContextAttributes()}get parameters(){return this._parameters}setPipelineState(e){this._stateTracker.setPipeline(e)}setBlendingEnabled(e){this._state.blend!==e&&(e===!0?this.gl.enable(this.gl.BLEND):this.gl.disable(this.gl.BLEND),this._state.blend=e,this._stateTracker.invalidateBlending())}externalProgramUpdate(){var e;(e=this._state.program)==null||e.stop(),this._state.program=null}externalTextureUnitUpdate(e,t){for(let s=0;s<e.length;++s)this._state.textureUnitMap[e[s]]=null;t>=0&&(this._state.activeTexture=t)}externalVertexArrayObjectUpdate(){const e=this.capabilities.vao;e&&(e.bindVertexArray(null),this._state.vertexArrayObject=null),this._state.vertexBuffer=null,this._state.indexBuffer=null}externalVertexBufferUpdate(){this._state.vertexBuffer=null}externalIndexBufferUpdate(){this._state.indexBuffer=null}setBlendColor(e,t,s,i){e===this._state.blendColor.r&&t===this._state.blendColor.g&&s===this._state.blendColor.b&&i===this._state.blendColor.a||(this.gl.blendColor(e,t,s,i),this._state.blendColor.r=e,this._state.blendColor.g=t,this._state.blendColor.b=s,this._state.blendColor.a=i,this._stateTracker.invalidateBlending())}setBlendFunction(e,t){e===this._state.blendFunction.srcRGB&&t===this._state.blendFunction.dstRGB||(this.gl.blendFunc(e,t),this._state.blendFunction.srcRGB=e,this._state.blendFunction.srcAlpha=e,this._state.blendFunction.dstRGB=t,this._state.blendFunction.dstAlpha=t,this._stateTracker.invalidateBlending())}setBlendFunctionSeparate(e,t,s,i){this._state.blendFunction.srcRGB===e&&this._state.blendFunction.srcAlpha===s&&this._state.blendFunction.dstRGB===t&&this._state.blendFunction.dstAlpha===i||(this.gl.blendFuncSeparate(e,t,s,i),this._state.blendFunction.srcRGB=e,this._state.blendFunction.srcAlpha=s,this._state.blendFunction.dstRGB=t,this._state.blendFunction.dstAlpha=i,this._stateTracker.invalidateBlending())}setBlendEquation(e){this._state.blendEquation.mode!==e&&(this.gl.blendEquation(e),this._state.blendEquation.mode=e,this._state.blendEquation.modeAlpha=e,this._stateTracker.invalidateBlending())}setBlendEquationSeparate(e,t){this._state.blendEquation.mode===e&&this._state.blendEquation.modeAlpha===t||(this.gl.blendEquationSeparate(e,t),this._state.blendEquation.mode=e,this._state.blendEquation.modeAlpha=t,this._stateTracker.invalidateBlending())}setColorMask(e,t,s,i){this._state.colorMask.r===e&&this._state.colorMask.g===t&&this._state.colorMask.b===s&&this._state.colorMask.a===i||(this.gl.colorMask(e,t,s,i),this._state.colorMask.r=e,this._state.colorMask.g=t,this._state.colorMask.b=s,this._state.colorMask.a=i,this._stateTracker.invalidateColorWrite())}setClearColor(e,t,s,i){this._state.clearColor.r===e&&this._state.clearColor.g===t&&this._state.clearColor.b===s&&this._state.clearColor.a===i||(this.gl.clearColor(e,t,s,i),this._state.clearColor.r=e,this._state.clearColor.g=t,this._state.clearColor.b=s,this._state.clearColor.a=i)}setFaceCullingEnabled(e){this._state.faceCulling!==e&&(e===!0?this.gl.enable(this.gl.CULL_FACE):this.gl.disable(this.gl.CULL_FACE),this._state.faceCulling=e,this._stateTracker.invalidateCulling())}setPolygonOffsetFillEnabled(e){this._state.polygonOffsetFill!==e&&(e===!0?this.gl.enable(this.gl.POLYGON_OFFSET_FILL):this.gl.disable(this.gl.POLYGON_OFFSET_FILL),this._state.polygonOffsetFill=e,this._stateTracker.invalidatePolygonOffset())}setPolygonOffset(e,t){this._state.polygonOffset[0]===e&&this._state.polygonOffset[1]===t||(this._state.polygonOffset[0]=e,this._state.polygonOffset[1]=t,this.gl.polygonOffset(e,t),this._stateTracker.invalidatePolygonOffset())}setCullFace(e){this._state.cullFace!==e&&(this.gl.cullFace(e),this._state.cullFace=e,this._stateTracker.invalidateCulling())}setFrontFace(e){this._state.frontFace!==e&&(this.gl.frontFace(e),this._state.frontFace=e,this._stateTracker.invalidateCulling())}setScissorTestEnabled(e){this._state.scissorTest!==e&&(e===!0?this.gl.enable(this.gl.SCISSOR_TEST):this.gl.disable(this.gl.SCISSOR_TEST),this._state.scissorTest=e)}setScissorRect(e,t,s,i){this._state.scissorRect.x===e&&this._state.scissorRect.y===t&&this._state.scissorRect.width===s&&this._state.scissorRect.height===i||(this.gl.scissor(e,t,s,i),this._state.scissorRect.x=e,this._state.scissorRect.y=t,this._state.scissorRect.width=s,this._state.scissorRect.height=i)}setDepthTestEnabled(e){this._state.depthTest!==e&&(e===!0?this.gl.enable(this.gl.DEPTH_TEST):this.gl.disable(this.gl.DEPTH_TEST),this._state.depthTest=e,this._stateTracker.invalidateDepthTest())}setClearDepth(e){this._state.clearDepth!==e&&(this.gl.clearDepth(e),this._state.clearDepth=e)}setDepthFunction(e){this._state.depthFunction!==e&&(this.gl.depthFunc(e),this._state.depthFunction=e,this._stateTracker.invalidateDepthTest())}setDepthWriteEnabled(e){this._state.depthWrite!==e&&(this.gl.depthMask(e),this._state.depthWrite=e,this._stateTracker.invalidateDepthWrite())}setDepthRange(e,t){this._state.depthRange.zNear===e&&this._state.depthRange.zFar===t||(this.gl.depthRange(e,t),this._state.depthRange.zNear=e,this._state.depthRange.zFar=t,this._stateTracker.invalidateDepthWrite())}setStencilTestEnabled(e){this._state.stencilTest!==e&&(e===!0?this.gl.enable(this.gl.STENCIL_TEST):this.gl.disable(this.gl.STENCIL_TEST),this._state.stencilTest=e,this._stateTracker.invalidateStencilTest())}setClearStencil(e){e!==this._state.clearStencil&&(this.gl.clearStencil(e),this._state.clearStencil=e)}setStencilFunction(e,t,s){this._state.stencilFunction.func===e&&this._state.stencilFunction.ref===t&&this._state.stencilFunction.mask===s||(this.gl.stencilFunc(e,t,s),this._state.stencilFunction.face=B.FRONT_AND_BACK,this._state.stencilFunction.func=e,this._state.stencilFunction.ref=t,this._state.stencilFunction.mask=s,this._stateTracker.invalidateStencilTest())}setStencilFunctionSeparate(e,t,s,i){this._state.stencilFunction.face===e&&this._state.stencilFunction.func===t&&this._state.stencilFunction.ref===s&&this._state.stencilFunction.mask===i||(this.gl.stencilFuncSeparate(e,t,s,i),this._state.stencilFunction.face=e,this._state.stencilFunction.func=t,this._state.stencilFunction.ref=s,this._state.stencilFunction.mask=i,this._stateTracker.invalidateStencilTest())}setStencilWriteMask(e){this._state.stencilWriteMask!==e&&(this.gl.stencilMask(e),this._state.stencilWriteMask=e,this._stateTracker.invalidateStencilWrite())}setStencilOp(e,t,s){this._state.stencilOperation.face===B.FRONT_AND_BACK&&this._state.stencilOperation.fail===e&&this._state.stencilOperation.zFail===t&&this._state.stencilOperation.zPass===s||(this.gl.stencilOp(e,t,s),this._state.stencilOperation.face=B.FRONT_AND_BACK,this._state.stencilOperation.fail=e,this._state.stencilOperation.zFail=t,this._state.stencilOperation.zPass=s,this._stateTracker.invalidateStencilTest())}setStencilOpSeparate(e,t,s,i){this._state.stencilOperation.face===e&&this._state.stencilOperation.fail===t&&this._state.stencilOperation.zFail===s&&this._state.stencilOperation.zPass===i||(this.gl.stencilOpSeparate(e,t,s,i),this._state.stencilOperation.face=e,this._state.stencilOperation.fail=t,this._state.stencilOperation.zFail=s,this._state.stencilOperation.zPass=i,this._stateTracker.invalidateStencilTest())}setActiveTexture(e,t=!1){const s=this._state.activeTexture;return e>=0&&(t||e!==this._state.activeTexture)&&(this.gl.activeTexture(D+e),this._state.activeTexture=e),s}clear(e){e&&this.gl.clear(e)}clearSafe(e,t=255){e&&(e&v.COLOR_BUFFER_BIT&&this.setColorMask(!0,!0,!0,!0),e&v.DEPTH_BUFFER_BIT&&this.setDepthWriteEnabled(!0),e&v.STENCIL_BUFFER_BIT&&this.setStencilWriteMask(t),this.gl.clear(e))}drawArrays(e,t,s){b()&&(this._numOfDrawCalls++,this._numOfTriangles+=et(e,s)),this.gl.drawArrays(e,t,s),Y(this.gl)}drawArraysInstanced(e,t,s,i){var r;(r=this.gl2)==null||r.drawArraysInstanced(e,t,s,i),Y(this.gl)}drawElements(e,t,s,i){if(b()&&(this._numOfDrawCalls++,this._numOfTriangles+=et(e,t)),this.gl.drawElements(e,t,s,i),b()){const r=_t(this);if(r){const n=this.getBoundVAO(),o=n==null?void 0:n.indexBuffer,l=n==null?void 0:n.vertexBuffers,h={indexBuffer:o,vertexBuffers:l},_={mode:e,count:t,type:s,offset:i},u=(o==null?void 0:o.size)??0,f=i+t,F=u<f?`. Buffer is too small. Attempted to draw index ${f} of ${u}`:"";console.error(`drawElements: ${r}${F}`,{args:_,vao:h})}}}logInfo(){b()&&console.log(`DrawCalls: ${this._numOfDrawCalls}, Triangles: ${this._numOfTriangles}`)}resetInfo(){b()&&(this._numOfDrawCalls=0,this._numOfTriangles=0)}get capabilities(){return this._capabilities}setViewport(e,t,s,i){s=Math.max(Math.round(s),1),i=Math.max(Math.round(i),1);const r=this._state.viewport;r.x===e&&r.y===t&&r.width===s&&r.height===i||(r.x=e,r.y=t,r.width=s,r.height=i,this.gl.viewport(e,t,s,i))}setViewport4fv(e){this.setViewport(e[0],e[1],e[2],e[3])}getViewport(){const e=this._state.viewport;return{x:e.x,y:e.y,width:e.width,height:e.height}}useProgram(e){var t;this._state.program!==e&&((t=this._state.program)==null||t.stop(),this._state.program=e,this.gl.useProgram((e==null?void 0:e.glName)??null))}bindTexture(e,t,s=!1){(t>=this.parameters.maxTextureImageUnits||t<0)&&console.error("Input texture unit is out of range of available units!");const i=this._state.textureUnitMap[t];return(e==null?void 0:e.glName)==null?(i!=null&&(this.setActiveTexture(t,s),this.gl.bindTexture(i.descriptor.target,null)),this._state.textureUnitMap[t]=null,i):s||i!==e?(this.setActiveTexture(t,s),this.gl.bindTexture(e.descriptor.target,e.glName),e.applyChanges(),this._state.textureUnitMap[t]=e,i):(e.isDirty&&(this.setActiveTexture(t,s),e.applyChanges()),i)}unbindTexture(e){if(e!=null)for(let t=0;t<this.parameters.maxTextureImageUnits;t++)this._state.textureUnitMap[t]===e&&(this.bindTexture(null,t),this._state.textureUnitMap[t]=null)}bindFramebuffer(e,t=!1){if(t||this._state.readFramebuffer!==e||this._state.drawFramebuffer!==e){if(this._stateTracker.invalidateDrawBuffers(),e==null)return this.gl.bindFramebuffer(d.FRAMEBUFFER,null),this._state.readFramebuffer=null,void(this._state.drawFramebuffer=null);e.initializeAndBind(d.FRAMEBUFFER),this._state.readFramebuffer=e,this._state.drawFramebuffer=e}}bindFramebufferSeparate(e,t,s=!1){const i=t===d.READ_FRAMEBUFFER,r=i?this._state.readFramebuffer:this._state.drawFramebuffer;(s||r!==e)&&(e==null?this.gl.bindFramebuffer(t,null):e.initializeAndBind(t),i?this._state.readFramebuffer=e??null:this._state.drawFramebuffer=e??null)}blitFramebuffer(e,t,s=0,i=0,r=e.width,n=e.height,o=0,l=0,h=t.width,_=t.height,u=v.COLOR_BUFFER_BIT,f=O.NEAREST){this.bindFramebufferSeparate(e,d.READ_FRAMEBUFFER),this.bindFramebufferSeparate(t,d.DRAW_FRAMEBUFFER),this.gl.blitFramebuffer(s,i,r,n,o,l,h,_,u,f)}bindBuffer(e,t){if(e)switch(t??(t=e.bufferType),t){case a.ARRAY_BUFFER:this._state.vertexBuffer=c(this.gl,e,t,this._state.vertexBuffer);break;case a.ELEMENT_ARRAY_BUFFER:this._state.indexBuffer=c(this.gl,e,t,this._state.indexBuffer);break;case a.UNIFORM_BUFFER:this._state.uniformBuffer=c(this.gl,e,t,this._state.uniformBuffer);break;case a.PIXEL_PACK_BUFFER:this._state.pixelPackBuffer=c(this.gl,e,t,this._state.pixelPackBuffer);break;case a.PIXEL_UNPACK_BUFFER:this._state.pixelUnpackBuffer=c(this.gl,e,t,this._state.pixelUnpackBuffer);break;case a.COPY_READ_BUFFER:this._state.copyReadBuffer=c(this.gl,e,t,this._state.copyReadBuffer);break;case a.COPY_WRITE_BUFFER:this._state.copyWriteBuffer=c(this.gl,e,t,this._state.copyWriteBuffer)}}bindRenderbuffer(e){const t=this.gl;e||(t.bindRenderbuffer(t.RENDERBUFFER,null),this._state.renderbuffer=null),this._state.renderbuffer!==e&&(t.bindRenderbuffer(t.RENDERBUFFER,e.glName),this._state.renderbuffer=e)}_getBufferBinding(e,t){if(t>=this.parameters.maxUniformBufferBindings||t<0)return console.error("Uniform buffer binding point is out of range!"),null;const s=this._state.uniformBufferBindingPoints;let i=s[t];return i==null&&(i={buffer:null,offset:0,size:0},s[t]=i),i}bindBufferBase(e,t,s){const i=this._getBufferBinding(e,t);i!=null&&(i.buffer===s&&i.offset===0&&i.size===0||(this.gl.bindBufferBase(e,t,s?s.glName:null),i.buffer=s,i.offset=0,i.size=0))}bindBufferRange(e,t,s,i,r){const n=this._getBufferBinding(e,t);if(n!=null&&!(n.buffer===s&&n.offset===i&&n.size===r)){if(i%this._parameters.uniformBufferOffsetAlignment!=0)return void console.error("Uniform buffer binding offset is not a multiple of the context offset alignment");this.gl.bindBufferRange(e,t,s.glName,i,r),n.buffer=s,n.offset=i,n.size=r}}bindUBO(e,t,s,i){t!=null?(b()&&(i??t.byteLength)>this._parameters.maxUniformBlockSize&&console.error("Attempting to bind more data than the maximum uniform block size"),t.initialize(),s!==void 0&&i!==void 0?this.bindBufferRange(a.UNIFORM_BUFFER,e,t.buffer,s,i):this.bindBufferBase(a.UNIFORM_BUFFER,e,t.buffer)):this.bindBufferBase(a.UNIFORM_BUFFER,e,null)}unbindUBO(e){for(let t=0,s=this._state.uniformBufferBindingPoints.length;t<s;t++){const i=this._state.uniformBufferBindingPoints[t];i!=null&&i.buffer===e.buffer&&this.bindBufferBase(a.UNIFORM_BUFFER,t,null)}}unbindBuffer(e){switch(e){case a.ARRAY_BUFFER:this._state.vertexBuffer=c(this.gl,null,e,this._state.vertexBuffer);break;case a.ELEMENT_ARRAY_BUFFER:this._state.indexBuffer=c(this.gl,null,e,this._state.indexBuffer);break;case a.UNIFORM_BUFFER:this._state.uniformBuffer=c(this.gl,null,e,this._state.uniformBuffer);break;case a.PIXEL_PACK_BUFFER:this._state.pixelPackBuffer=c(this.gl,null,e,this._state.pixelPackBuffer);break;case a.PIXEL_UNPACK_BUFFER:this._state.pixelUnpackBuffer=c(this.gl,null,e,this._state.pixelUnpackBuffer);break;case a.COPY_READ_BUFFER:this._state.copyReadBuffer=c(this.gl,null,e,this._state.copyReadBuffer);break;case a.COPY_WRITE_BUFFER:this._state.copyWriteBuffer=c(this.gl,null,e,this._state.copyWriteBuffer)}}bindVAO(e=null){e!=null?this._state.vertexArrayObject!==e&&(e.bind(),this._state.vertexArrayObject=e):this._state.vertexArrayObject&&(this._state.vertexArrayObject.unbind(),this._state.vertexArrayObject=null)}async clientWaitAsync(e=ht(10)){const t=this.gl,s=t.fenceSync(ct.SYNC_GPU_COMMANDS_COMPLETE,0);if(!s)throw new Error("Client wait failed, could not create sync object");let i;this.instanceCounter.increment(T.Sync,s),t.flush();do await ot(e),i=t.clientWaitSync(s,0,0);while(i===K.TIMEOUT_EXPIRED);if(this.instanceCounter.decrement(T.Sync,s),t.deleteSync(s),i===K.WAIT_FAILED)throw new Error("Client wait failed")}getBoundFramebufferObject(e=d.FRAMEBUFFER){return e===d.READ_FRAMEBUFFER?this._state.readFramebuffer:this._state.drawFramebuffer}getBoundVAO(){return this._state.vertexArrayObject}resetState(){this.useProgram(null),this.bindVAO(null),this.bindFramebuffer(null,!0),this.unbindBuffer(a.ARRAY_BUFFER),this.unbindBuffer(a.ELEMENT_ARRAY_BUFFER),this.type===g.WEBGL2&&(this.unbindBuffer(a.UNIFORM_BUFFER),this._state.uniformBufferBindingPoints.length=0,this.unbindBuffer(a.PIXEL_PACK_BUFFER),this.unbindBuffer(a.PIXEL_UNPACK_BUFFER),this.unbindBuffer(a.COPY_READ_BUFFER),this.unbindBuffer(a.COPY_WRITE_BUFFER));for(let e=0;e<this.parameters.maxTextureImageUnits;++e)this.bindTexture(null,e);this.setBlendingEnabled(!1),this.setBlendFunction(R.ONE,R.ZERO),this.setBlendEquation(k.ADD),this.setBlendColor(0,0,0,0),this.setFaceCullingEnabled(!1),this.setCullFace(B.BACK),this.setFrontFace(it.CCW),this.setPolygonOffsetFillEnabled(!1),this.setPolygonOffset(0,0),this.setScissorTestEnabled(!1),this.setScissorRect(0,0,this.gl.canvas.width,this.gl.canvas.height),this.setDepthTestEnabled(!1),this.setDepthFunction(U.LESS),this.setDepthRange(0,1),this.setStencilTestEnabled(!1),this.setStencilFunction(U.ALWAYS,0,0),this.setStencilOp(m.KEEP,m.KEEP,m.KEEP),this.setClearColor(0,0,0,0),this.setClearDepth(1),this.setClearStencil(0),this.setColorMask(!0,!0,!0,!0),this.setStencilWriteMask(4294967295),this.setDepthWriteEnabled(!0),this.setViewport(0,0,this.gl.canvas.width,this.gl.canvas.height)}enforceState(){var r,n,o;const e=this.capabilities.vao;e&&e.bindVertexArray(null);const{gl:t,gl2:s}=this;for(let l=0;l<this.parameters.maxVertexAttributes;l++)t.disableVertexAttribArray(l);if(this._state.vertexBuffer?t.bindBuffer(this._state.vertexBuffer.bufferType,this._state.vertexBuffer.glName):t.bindBuffer(a.ARRAY_BUFFER,null),this._state.indexBuffer?t.bindBuffer(this._state.indexBuffer.bufferType,this._state.indexBuffer.glName):t.bindBuffer(a.ELEMENT_ARRAY_BUFFER,null),s!=null){this._state.uniformBuffer?s.bindBuffer(this._state.uniformBuffer.bufferType,this._state.uniformBuffer.glName):s.bindBuffer(a.UNIFORM_BUFFER,null);for(let l=0;l<this._parameters.maxUniformBufferBindings;l++){const h=this._state.uniformBufferBindingPoints[l];if(h!=null){const{buffer:_,offset:u,size:f}=h;_!==null?u===0&&f===0?s.bindBufferBase(a.UNIFORM_BUFFER,l,_.glName):s.bindBufferRange(a.UNIFORM_BUFFER,l,_.glName,u,f):s.bindBufferBase(a.UNIFORM_BUFFER,l,null)}}this._state.pixelPackBuffer?s.bindBuffer(this._state.pixelPackBuffer.bufferType,this._state.pixelPackBuffer.glName):s.bindBuffer(a.PIXEL_PACK_BUFFER,null),this._state.pixelUnpackBuffer?s.bindBuffer(this._state.pixelUnpackBuffer.bufferType,this._state.pixelUnpackBuffer.glName):s.bindBuffer(a.PIXEL_UNPACK_BUFFER,null),this._state.copyReadBuffer?s.bindBuffer(this._state.copyReadBuffer.bufferType,this._state.copyReadBuffer.glName):s.bindBuffer(a.COPY_READ_BUFFER,null),this._state.copyWriteBuffer?s.bindBuffer(this._state.copyWriteBuffer.bufferType,this._state.copyWriteBuffer.glName):s.bindBuffer(a.COPY_WRITE_BUFFER,null),s.bindFramebuffer(d.READ_FRAMEBUFFER,null),s.readBuffer(s.BACK),this._state.readFramebuffer&&(s.bindFramebuffer(d.READ_FRAMEBUFFER,this._state.readFramebuffer.glName),s.readBuffer(j.COLOR_ATTACHMENT0)),s.bindFramebuffer(d.DRAW_FRAMEBUFFER,((r=this._state.drawFramebuffer)==null?void 0:r.glName)??null)}else this._state.readFramebuffer=this._state.drawFramebuffer,t.bindFramebuffer(d.FRAMEBUFFER,((n=this._state.drawFramebuffer)==null?void 0:n.glName)??null);if(e&&this._state.vertexArrayObject){const l=this._state.vertexArrayObject;this._state.vertexArrayObject&&(this._state.vertexArrayObject.unbind(),this._state.vertexArrayObject=null),this.bindVAO(l)}t.useProgram(((o=this._state.program)==null?void 0:o.glName)??null),t.blendColor(this._state.blendColor.r,this._state.blendColor.g,this._state.blendColor.b,this._state.blendColor.a),t.bindRenderbuffer(t.RENDERBUFFER,this._state.renderbuffer?this._state.renderbuffer.glName:null),this._state.blend===!0?t.enable(this.gl.BLEND):t.disable(this.gl.BLEND),t.blendEquationSeparate(this._state.blendEquation.mode,this._state.blendEquation.modeAlpha),t.blendFuncSeparate(this._state.blendFunction.srcRGB,this._state.blendFunction.dstRGB,this._state.blendFunction.srcAlpha,this._state.blendFunction.dstAlpha),t.clearColor(this._state.clearColor.r,this._state.clearColor.g,this._state.clearColor.b,this._state.clearColor.a),t.clearDepth(this._state.clearDepth),t.clearStencil(this._state.clearStencil),t.colorMask(this._state.colorMask.r,this._state.colorMask.g,this._state.colorMask.b,this._state.colorMask.a),t.cullFace(this._state.cullFace),t.depthFunc(this._state.depthFunction),t.depthRange(this._state.depthRange.zNear,this._state.depthRange.zFar),this._state.depthTest===!0?t.enable(t.DEPTH_TEST):t.disable(t.DEPTH_TEST),t.depthMask(this._state.depthWrite),t.frontFace(this._state.frontFace),t.lineWidth(1),this._state.faceCulling===!0?t.enable(t.CULL_FACE):t.disable(t.CULL_FACE),t.polygonOffset(this._state.polygonOffset[0],this._state.polygonOffset[1]),this._state.polygonOffsetFill===!0?t.enable(t.POLYGON_OFFSET_FILL):t.disable(t.POLYGON_OFFSET_FILL),t.scissor(this._state.scissorRect.x,this._state.scissorRect.y,this._state.scissorRect.width,this._state.scissorRect.height),this._state.scissorTest===!0?t.enable(t.SCISSOR_TEST):t.disable(t.SCISSOR_TEST),t.stencilFunc(this._state.stencilFunction.func,this._state.stencilFunction.ref,this._state.stencilFunction.mask),t.stencilOpSeparate(this._state.stencilOperation.face,this._state.stencilOperation.fail,this._state.stencilOperation.zFail,this._state.stencilOperation.zPass),this._state.stencilTest===!0?t.enable(t.STENCIL_TEST):t.disable(t.STENCIL_TEST),t.stencilMask(this._state.stencilWriteMask);for(let l=0;l<this.parameters.maxTextureImageUnits;l++){t.activeTexture(D+l),t.bindTexture(M.TEXTURE_2D,null),t.bindTexture(M.TEXTURE_CUBE_MAP,null),this.type===g.WEBGL2&&(t.bindTexture(M.TEXTURE_3D,null),t.bindTexture(M.TEXTURE_2D_ARRAY,null));const h=this._state.textureUnitMap[l];h!=null&&t.bindTexture(h.descriptor.target,h.glName)}t.activeTexture(D+this._state.activeTexture);const i=this._state.viewport;t.viewport(i.x,i.y,i.width,i.height),this.resetInfo()}_loadExtensions(){this.type===g.WEBGL1&&this.gl.getExtension("OES_element_index_uint"),this.gl.getExtension("KHR_parallel_shader_compile")}};function c(e,t,s,i){return t?i!==t&&e.bindBuffer(s,t.glName):e.bindBuffer(s,null),t}function et(e,t){switch(e){case E.POINTS:return 2*t;case E.TRIANGLES:return t/3;case E.TRIANGLE_STRIP:case E.TRIANGLE_FAN:return t-2;default:return 0}}export{oe as N,ee as o};