22 lines
3.3 KiB
JavaScript
22 lines
3.3 KiB
JavaScript
import{d as w,m as f}from"./WGLContainer-21aabd6b.js";import{E as v,h as X}from"./FramebufferObject-4be671ef.js";import{D as m,L as p,F as I,_ as Q,E as R,G as S,U}from"./enums-bdecffa2.js";import{e as g,T as M}from"./Texture-507d5ea8.js";import{f as P}from"./ProgramTemplate-a9187eb2.js";import{eA as x}from"./index-b5c8f851.js";let d=class{constructor(s,e,t,n,u,a,o,_,T){this.createQuery=s,this.deleteQuery=e,this.resultAvailable=t,this.getResult=n,this.disjoint=u,this.beginTimeElapsed=a,this.endTimeElapsed=o,this.createTimestamp=_,this.timestampBits=T}},i=!1;function j(r,s){if(s.disjointTimerQuery)return null;let e=r.getExtension("EXT_disjoint_timer_query_webgl2");return e&&w(r)?new d(()=>r.createQuery(),t=>{r.deleteQuery(t),i=!1},t=>r.getQueryParameter(t,r.QUERY_RESULT_AVAILABLE),t=>r.getQueryParameter(t,r.QUERY_RESULT),()=>r.getParameter(e.GPU_DISJOINT_EXT),t=>{i||(i=!0,r.beginQuery(e.TIME_ELAPSED_EXT,t))},()=>{r.endQuery(e.TIME_ELAPSED_EXT),i=!1},t=>e.queryCounterEXT(t,e.TIMESTAMP_EXT),()=>r.getQuery(e.TIMESTAMP_EXT,e.QUERY_COUNTER_BITS_EXT)):(e=r.getExtension("EXT_disjoint_timer_query"),e?new d(()=>e.createQueryEXT(),t=>{e.deleteQueryEXT(t),i=!1},t=>e.getQueryObjectEXT(t,e.QUERY_RESULT_AVAILABLE_EXT),t=>e.getQueryObjectEXT(t,e.QUERY_RESULT_EXT),()=>r.getParameter(e.GPU_DISJOINT_EXT),t=>{i||(i=!0,e.beginQueryEXT(e.TIME_ELAPSED_EXT,t))},()=>{e.endQueryEXT(e.TIME_ELAPSED_EXT),i=!1},t=>e.queryCounterEXT(t,e.TIMESTAMP_EXT),()=>e.getQueryEXT(e.TIMESTAMP_EXT,e.QUERY_COUNTER_BITS_EXT)):null)}class b{constructor(){this._result=!1}dispose(){this._program=x(this._program)}get result(){return this._program!=null&&(this._result=this._test(this._program),this.dispose()),this._result}}class G extends b{constructor(s){super(),this._rctx=s;const e=`
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precision highp float;
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attribute vec2 a_pos;
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varying vec2 v_uv;
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void main() {
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v_uv = a_pos;
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gl_Position = vec4(a_pos * 2.0 - 1.0, 0.0, 1.0);
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}
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`,t=`
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precision highp float;
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varying vec2 v_uv;
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uniform sampler2D u_texture;
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void main() {
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gl_FragColor = texture2D(u_texture, v_uv);
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}
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`;this._program=s.programCache.acquire(e,t,new Map([["a_pos",0]]))}dispose(){super.dispose()}_test(s){const e=this._rctx;if(!e.gl)return s.dispose(),!0;const t=new g(1);t.wrapMode=m.CLAMP_TO_EDGE,t.samplingMode=p.NEAREST;const n=new v(e,t),u=X.createVertex(e,I.STATIC_DRAW,new Uint16Array([0,0,1,0,0,1,1,1])),a=new P(e,new Map([["a_pos",0]]),f,{geometry:u}),o=new g;o.samplingMode=p.LINEAR,o.wrapMode=m.CLAMP_TO_EDGE;const _=new M(e,o,E);e.useProgram(s),e.bindTexture(_,0),s.setUniform1i("u_texture",0);const T=e.getBoundFramebufferObject(),{x:c,y:h,width:y,height:A}=e.getViewport();e.bindFramebuffer(n),e.setViewport(0,0,1,1),e.setClearColor(0,0,0,0),e.setBlendingEnabled(!1),e.clearSafe(Q.COLOR_BUFFER_BIT),e.bindVAO(a),e.drawArrays(R.TRIANGLE_STRIP,0,4);const l=new Uint8Array(4);return n.readPixels(0,0,1,1,S.RGBA,U.UNSIGNED_BYTE,l),a.dispose(),n.dispose(),_.dispose(),e.setViewport(c,h,y,A),e.bindFramebuffer(T),l[0]!==255}}const E=new Image;E.src="data:image/svg+xml,%3C%3Fxml version='1.0' encoding='UTF-8'%3F%3E%3Csvg width='5' height='5' version='1.1' viewBox='0 0 5 5' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='5' height='5' fill='%23f00' fill-opacity='.5'/%3E%3C/svg%3E%0A",E.width=5,E.height=5,E.decode();export{j as T,G as f,b as t};
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