gl-0.1.18.js

const canvas=document.querySelector("#glcanvas");const gl=canvas.getContext("webgl");if(gl===null){alert("Unable to initialize WebGL. Your browser or machine may not support it.");}
var clipboard=null;var plugins=[];canvas.focus();canvas.requestPointerLock=canvas.requestPointerLock||canvas.mozRequestPointerLock;document.exitPointerLock=document.exitPointerLock||document.mozExitPointerLock;function assert(flag,message){if(flag==false){alert(message)}}
function acquireVertexArrayObjectExtension(ctx){var ext=ctx.getExtension('OES_vertex_array_object');if(ext){ctx['createVertexArray']=function(){return ext['createVertexArrayOES']();};ctx['deleteVertexArray']=function(vao){ext['deleteVertexArrayOES'](vao);};ctx['bindVertexArray']=function(vao){ext['bindVertexArrayOES'](vao);};ctx['isVertexArray']=function(vao){return ext['isVertexArrayOES'](vao);};}
else{alert("Unable to get OES_vertex_array_object extension");}}
function acquireInstancedArraysExtension(ctx){var ext=ctx.getExtension('ANGLE_instanced_arrays');if(ext){ctx['vertexAttribDivisor']=function(index,divisor){ext['vertexAttribDivisorANGLE'](index,divisor);};ctx['drawArraysInstanced']=function(mode,first,count,primcount){ext['drawArraysInstancedANGLE'](mode,first,count,primcount);};ctx['drawElementsInstanced']=function(mode,count,type,indices,primcount){ext['drawElementsInstancedANGLE'](mode,count,type,indices,primcount);};}}
acquireVertexArrayObjectExtension(gl);acquireInstancedArraysExtension(gl);if(gl.getExtension('WEBGL_depth_texture')==null){alert("Cant initialize WEBGL_depth_texture extension");}
function getArray(ptr,arr,n){return new arr(wasm_memory.buffer,ptr,n);}
function UTF8ToString(ptr,maxBytesToRead){let u8Array=new Uint8Array(wasm_memory.buffer,ptr);var idx=0;var endIdx=idx+maxBytesToRead;var str='';while(!(idx>=endIdx)){var u0=u8Array[idx++];if(!u0)return str;if(!(u0&0x80)){str+=String.fromCharCode(u0);continue;}
var u1=u8Array[idx++]&63;if((u0&0xE0)==0xC0){str+=String.fromCharCode(((u0&31)<<6)|u1);continue;}
var u2=u8Array[idx++]&63;if((u0&0xF0)==0xE0){u0=((u0&15)<<12)|(u1<<6)|u2;}else{if((u0&0xF8)!=0xF0)console.warn('Invalid UTF-8 leading byte 0x'+u0.toString(16)+' encountered when deserializing a UTF-8 string on the asm.js/wasm heap to a JS string!');u0=((u0&7)<<18)|(u1<<12)|(u2<<6)|(u8Array[idx++]&63);}
if(u0<0x10000){str+=String.fromCharCode(u0);}else{var ch=u0-0x10000;str+=String.fromCharCode(0xD800|(ch>>10),0xDC00|(ch&0x3FF));}}
return str;}
function stringToUTF8(str,heap,outIdx,maxBytesToWrite){var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite;for(var i=0;i<str.length;++i){var u=str.charCodeAt(i);if(u>=0xD800&&u<=0xDFFF){var u1=str.charCodeAt(++i);u=0x10000+((u&0x3FF)<<10)|(u1&0x3FF);}
if(u<=0x7F){if(outIdx>=endIdx)break;heap[outIdx++]=u;}else if(u<=0x7FF){if(outIdx+1>=endIdx)break;heap[outIdx++]=0xC0|(u>>6);heap[outIdx++]=0x80|(u&63);}else if(u<=0xFFFF){if(outIdx+2>=endIdx)break;heap[outIdx++]=0xE0|(u>>12);heap[outIdx++]=0x80|((u>>6)&63);heap[outIdx++]=0x80|(u&63);}else{if(outIdx+3>=endIdx)break;if(u>=0x200000)console.warn('Invalid Unicode code point 0x'+u.toString(16)+' encountered when serializing a JS string to an UTF-8 string on the asm.js/wasm heap! (Valid unicode code points should be in range 0-0x1FFFFF).');heap[outIdx++]=0xF0|(u>>18);heap[outIdx++]=0x80|((u>>12)&63);heap[outIdx++]=0x80|((u>>6)&63);heap[outIdx++]=0x80|(u&63);}}
return outIdx-startIdx;}
var FS={loaded_files:[],unique_id:0};var GL={counter:1,buffers:[],mappedBuffers:{},programs:[],framebuffers:[],renderbuffers:[],textures:[],uniforms:[],shaders:[],vaos:[],contexts:{},programInfos:{},getNewId:function(table){var ret=GL.counter++;for(var i=table.length;i<ret;i++){table[i]=null;}
return ret;},validateGLObjectID:function(objectHandleArray,objectID,callerFunctionName,objectReadableType){if(objectID!=0){if(objectHandleArray[objectID]===null){console.error(callerFunctionName+' called with an already deleted '+objectReadableType+' ID '+objectID+'!');}else if(!objectHandleArray[objectID]){console.error(callerFunctionName+' called with an invalid '+objectReadableType+' ID '+objectID+'!');}}},getSource:function(shader,count,string,length){var source='';for(var i=0;i<count;++i){var len=length==0?undefined:getArray(length+i*4,Uint32Array,1)[0];source+=UTF8ToString(getArray(string+i*4,Uint32Array,1)[0],len);}
return source;},populateUniformTable:function(program){GL.validateGLObjectID(GL.programs,program,'populateUniformTable','program');var p=GL.programs[program];var ptable=GL.programInfos[program]={uniforms:{},maxUniformLength:0,maxAttributeLength:-1,maxUniformBlockNameLength:-1};var utable=ptable.uniforms;var numUniforms=gl.getProgramParameter(p,0x8B86);for(var i=0;i<numUniforms;++i){var u=gl.getActiveUniform(p,i);var name=u.name;ptable.maxUniformLength=Math.max(ptable.maxUniformLength,name.length+1);if(name.slice(-1)==']'){name=name.slice(0,name.lastIndexOf('['));}
var loc=gl.getUniformLocation(p,name);if(loc){var id=GL.getNewId(GL.uniforms);utable[name]=[u.size,id];GL.uniforms[id]=loc;for(var j=1;j<u.size;++j){var n=name+'['+j+']';loc=gl.getUniformLocation(p,n);id=GL.getNewId(GL.uniforms);GL.uniforms[id]=loc;}}}}}
_glGenObject=function(n,buffers,createFunction,objectTable,functionName){for(var i=0;i<n;i++){var buffer=gl[createFunction]();var id=buffer&&GL.getNewId(objectTable);if(buffer){buffer.name=id;objectTable[id]=buffer;}else{console.error("GL_INVALID_OPERATION");GL.recordError(0x0502);alert('GL_INVALID_OPERATION in '+functionName+': GLctx.'+createFunction+' returned null - most likely GL context is lost!');}
getArray(buffers+i*4,Int32Array,1)[0]=id;}}
_webglGet=function(name_,p,type){if(!p){console.error('GL_INVALID_VALUE in glGet'+type+'v(name='+name_+': Function called with null out pointer!');GL.recordError(0x501);return;}
var ret=undefined;switch(name_){case 0x8DFA:ret=1;break;case 0x8DF8:if(type!='EM_FUNC_SIG_PARAM_I'&&type!='EM_FUNC_SIG_PARAM_I64'){GL.recordError(0x500);err('GL_INVALID_ENUM in glGet'+type+'v(GL_SHADER_BINARY_FORMATS): Invalid parameter type!');}
return;case 0x87FE:case 0x8DF9:ret=0;break;case 0x86A2:var formats=gl.getParameter(0x86A3);ret=formats?formats.length:0;break;case 0x821D:assert(false,"unimplemented");break;case 0x821B:case 0x821C:assert(false,"unimplemented");break;}
if(ret===undefined){var result=gl.getParameter(name_);switch(typeof(result)){case "number":ret=result;break;case "boolean":ret=result?1:0;break;case "string":GL.recordError(0x500);console.error('GL_INVALID_ENUM in glGet'+type+'v('+name_+') on a name which returns a string!');return;case "object":if(result===null){switch(name_){case 0x8894:case 0x8B8D:case 0x8895:case 0x8CA6:case 0x8CA7:case 0x8069:case 0x85B5:case 0x8919:case 0x8E25:case 0x8514:{ret=0;break;}
default:{GL.recordError(0x500);console.error('GL_INVALID_ENUM in glGet'+type+'v('+name_+') and it returns null!');return;}}}else if(result instanceof Float32Array||result instanceof Uint32Array||result instanceof Int32Array||result instanceof Array){for(var i=0;i<result.length;++i){assert(false,"unimplemented")}
return;}else{try{ret=result.name|0;}catch(e){GL.recordError(0x500);console.error('GL_INVALID_ENUM in glGet'+type+'v: Unknown object returned from WebGL getParameter('+name_+')! (error: '+e+')');return;}}
break;default:GL.recordError(0x500);console.error('GL_INVALID_ENUM in glGet'+type+'v: Native code calling glGet'+type+'v('+name_+') and it returns '+result+' of type '+typeof(result)+'!');return;}}
switch(type){case 'EM_FUNC_SIG_PARAM_I64':getArray(p,Int32Array,1)[0]=ret;case 'EM_FUNC_SIG_PARAM_I':getArray(p,Int32Array,1)[0]=ret;break;case 'EM_FUNC_SIG_PARAM_F':getArray(p,Float32Array,1)[0]=ret;break;case 'EM_FUNC_SIG_PARAM_B':getArray(p,Int8Array,1)[0]=ret?1:0;break;default:throw 'internal glGet error, bad type: '+type;}}
var Module;var wasm_exports;function resize(canvas,on_resize){var displayWidth=canvas.clientWidth;var displayHeight=canvas.clientHeight;if(canvas.width!=displayWidth||canvas.height!=displayHeight){canvas.width=displayWidth;canvas.height=displayHeight;if(on_resize!=undefined)
on_resize(Math.floor(displayWidth),Math.floor(displayHeight))}}
animation=function(){wasm_exports.frame();window.requestAnimationFrame(animation);}
const SAPP_EVENTTYPE_TOUCHES_BEGAN=10;const SAPP_EVENTTYPE_TOUCHES_MOVED=11;const SAPP_EVENTTYPE_TOUCHES_ENDED=12;const SAPP_EVENTTYPE_TOUCHES_CANCELLED=13;const SAPP_MODIFIER_SHIFT=1;const SAPP_MODIFIER_CTRL=2;const SAPP_MODIFIER_ALT=4;const SAPP_MODIFIER_SUPER=8;into_sapp_mousebutton=function(btn){switch(btn){case 0:return 0;case 1:return 2;case 2:return 1;default:return btn;}}
into_sapp_keycode=function(key_code){switch(key_code){case "Space":return 32;case "Comma":return 44;case "Minus":return 45;case "Period":return 46;case "Digit0":return 48;case "Digit1":return 49;case "Digit2":return 50;case "Digit3":return 51;case "Digit4":return 52;case "Digit5":return 53;case "Digit6":return 54;case "Digit7":return 55;case "Digit8":return 56;case "Digit9":return 57;case "Semicolon":return 59;case "Equal":return 61;case "KeyA":return 65;case "KeyB":return 66;case "KeyC":return 67;case "KeyD":return 68;case "KeyE":return 69;case "KeyF":return 70;case "KeyG":return 71;case "KeyH":return 72;case "KeyI":return 73;case "KeyJ":return 74;case "KeyK":return 75;case "KeyL":return 76;case "KeyM":return 77;case "KeyN":return 78;case "KeyO":return 79;case "KeyP":return 80;case "KeyQ":return 81;case "KeyR":return 82;case "KeyS":return 83;case "KeyT":return 84;case "KeyU":return 85;case "KeyV":return 86;case "KeyW":return 87;case "KeyX":return 88;case "KeyY":return 89;case "KeyZ":return 90;case "BracketLeft":return 91;case "Backslash":return 92;case "BracketRight":return 93;case "Escape":return 256;case "Enter":return 257;case "Tab":return 258;case "Backspace":return 259;case "Insert":return 260;case "Delete":return 261;case "ArrowRight":return 262;case "ArrowLeft":return 263;case "ArrowDown":return 264;case "ArrowUp":return 265;case "PageUp":return 266;case "PageDown":return 267;case "Home":return 268;case "End":return 269;case "CapsLock":return 280;case "ScrollLock":return 281;case "NumLock":return 282;case "PrintScreen":return 283;case "Pause":return 284;case "F1":return 290;case "F2":return 291;case "F3":return 292;case "F4":return 293;case "F5":return 294;case "F6":return 295;case "F7":return 296;case "F8":return 297;case "F9":return 298;case "F10":return 299;case "F11":return 300;case "F12":return 301;case "F13":return 302;case "F14":return 303;case "F15":return 304;case "F16":return 305;case "F17":return 306;case "F18":return 307;case "F19":return 308;case "F20":return 309;case "F21":return 310;case "F22":return 311;case "F23":return 312;case "F24":return 313;case "Numpad0":return 320;case "Numpad1":return 321;case "Numpad2":return 322;case "Numpad3":return 323;case "Numpad4":return 324;case "Numpad5":return 325;case "Numpad6":return 326;case "Numpad7":return 327;case "Numpad8":return 328;case "Numpad9":return 329;case "NumpadDecimal":return 330;case "NumpadDivide":return 331;case "NumpadMultiply":return 332;case "NumpadSubstract":return 333;case "NumpadAdd":return 334;case "NumpadEnter":return 335;case "NumpadEqual":return 336;case "ShiftLeft":return 340;case "ControlLeft":return 341;case "AltLeft":return 342;case "OSLeft":return 343;case "ShiftRight":return 344;case "ControlRight":return 345;case "AltRight":return 346;case "OSRight":return 347;case "ContextMenu":return 348;}
console.log("Unsupported keyboard key: ",key_code)}
texture_size=function(internalFormat,width,height){if(internalFormat==gl.ALPHA){return width*height;}
else if(internalFormat==gl.RGB){return width*height*3;}else if(internalFormat==gl.RGBA){return width*height*4;}else{return width*height*3;}}
mouse_relative_position=function(clientX,clientY){var targetRect=canvas.getBoundingClientRect();var x=clientX-targetRect.left;var y=clientY-targetRect.top;return{x,y};}
var emscripten_shaders_hack=false;var importObject={env:{console_debug:function(ptr){console.debug(UTF8ToString(ptr));},console_log:function(ptr){console.log(UTF8ToString(ptr));},console_info:function(ptr){console.info(UTF8ToString(ptr));},console_warn:function(ptr){console.warn(UTF8ToString(ptr));},console_error:function(ptr){console.error(UTF8ToString(ptr));},set_emscripten_shader_hack:function(flag){emscripten_shaders_hack=flag;},sapp_set_clipboard:function(ptr,len){clipboard=UTF8ToString(ptr,len);},rand:function(){return Math.floor(Math.random()*2147483647);},now:function(){return Date.now()/1000.0;},canvas_width:function(){return Math.floor(canvas.clientWidth);},canvas_height:function(){return Math.floor(canvas.clientHeight);},glClearDepthf:function(depth){gl.clearDepth(depth);},glClearColor:function(r,g,b,a){gl.clearColor(r,g,b,a);},glClearStencil:function(s){gl.clearColorStencil(s);},glColorMask:function(red,green,blue,alpha){gl.colorMask(red,green,blue,alpha);},glScissor:function(x,y,w,h){gl.scissor(x,y,w,h);},glClear:function(mask){gl.clear(mask);},glGenTextures:function(n,textures){_glGenObject(n,textures,"createTexture",GL.textures,"glGenTextures")},glActiveTexture:function(texture){gl.activeTexture(texture)},glBindTexture:function(target,texture){GL.validateGLObjectID(GL.textures,texture,'glBindTexture','texture');gl.bindTexture(target,GL.textures[texture]);},glTexImage2D:function(target,level,internalFormat,width,height,border,format,type,pixels){gl.texImage2D(target,level,internalFormat,width,height,border,format,type,pixels?getArray(pixels,Uint8Array,texture_size(internalFormat,width,height)):null);},glTexSubImage2D:function(target,level,xoffset,yoffset,width,height,format,type,pixels){gl.texSubImage2D(target,level,xoffset,yoffset,width,height,format,type,pixels?getArray(pixels,Uint8Array,texture_size(format,width,height)):null);},glTexParameteri:function(target,pname,param){gl.texParameteri(target,pname,param);},glUniform1fv:function(location,count,value){GL.validateGLObjectID(GL.uniforms,location,'glUniform1fv','location');assert((value&3)==0,'Pointer to float data passed to glUniform1fv must be aligned to four bytes!');var view=getArray(value,Float32Array,1*count);gl.uniform1fv(GL.uniforms[location],view);},glUniform2fv:function(location,count,value){GL.validateGLObjectID(GL.uniforms,location,'glUniform2fv','location');assert((value&3)==0,'Pointer to float data passed to glUniform2fv must be aligned to four bytes!');var view=getArray(value,Float32Array,2*count);gl.uniform2fv(GL.uniforms[location],view);},glUniform3fv:function(location,count,value){GL.validateGLObjectID(GL.uniforms,location,'glUniform3fv','location');assert((value&3)==0,'Pointer to float data passed to glUniform3fv must be aligned to four bytes!');var view=getArray(value,Float32Array,4*count);gl.uniform3fv(GL.uniforms[location],view);},glUniform4fv:function(location,count,value){GL.validateGLObjectID(GL.uniforms,location,'glUniform4fv','location');assert((value&3)==0,'Pointer to float data passed to glUniform4fv must be aligned to four bytes!');var view=getArray(value,Float32Array,4*count);gl.uniform4fv(GL.uniforms[location],view);},glUniform1iv:function(location,count,value){GL.validateGLObjectID(GL.uniforms,location,'glUniform1fv','location');assert((value&3)==0,'Pointer to i32 data passed to glUniform1iv must be aligned to four bytes!');var view=getArray(value,Int32Array,1*count);gl.uniform1iv(GL.uniforms[location],view);},glUniform2iv:function(location,count,value){GL.validateGLObjectID(GL.uniforms,location,'glUniform2fv','location');assert((value&3)==0,'Pointer to i32 data passed to glUniform2iv must be aligned to four bytes!');var view=getArray(value,Int32Array,2*count);gl.uniform2iv(GL.uniforms[location],view);},glUniform3iv:function(location,count,value){GL.validateGLObjectID(GL.uniforms,location,'glUniform3fv','location');assert((value&3)==0,'Pointer to i32 data passed to glUniform3iv must be aligned to four bytes!');var view=getArray(value,Int32Array,3*count);gl.uniform3iv(GL.uniforms[location],view);},glUniform4iv:function(location,count,value){GL.validateGLObjectID(GL.uniforms,location,'glUniform4fv','location');assert((value&3)==0,'Pointer to i32 data passed to glUniform4iv must be aligned to four bytes!');var view=getArray(value,Int32Array,4*count);gl.uniform4iv(GL.uniforms[location],view);},glBlendFunc:function(sfactor,dfactor){gl.blendFunc(sfactor,dfactor);},glBlendEquationSeparate:function(modeRGB,modeAlpha){gl.blendEquationSeparate(modeRGB,modeAlpha);},glDisable:function(cap){gl.disable(cap);},glDrawElements:function(mode,count,type,indices){gl.drawElements(mode,count,type,indices);},glGetIntegerv:function(name_,p){_webglGet(name_,p,'EM_FUNC_SIG_PARAM_I');},glUniform1f:function(location,v0){GL.validateGLObjectID(GL.uniforms,location,'glUniform1f','location');gl.uniform1f(GL.uniforms[location],v0);},glUniform1i:function(location,v0){GL.validateGLObjectID(GL.uniforms,location,'glUniform1i','location');gl.uniform1i(GL.uniforms[location],v0);},glGetAttribLocation:function(program,name){return gl.getAttribLocation(GL.programs[program],UTF8ToString(name));},glEnableVertexAttribArray:function(index){gl.enableVertexAttribArray(index);},glDisableVertexAttribArray:function(index){gl.disableVertexAttribArray(index);},glVertexAttribPointer:function(index,size,type,normalized,stride,ptr){gl.vertexAttribPointer(index,size,type,!!normalized,stride,ptr);},glGetUniformLocation:function(program,name){GL.validateGLObjectID(GL.programs,program,'glGetUniformLocation','program');name=UTF8ToString(name);var arrayIndex=0;if(name[name.length-1]==']'){var leftBrace=name.lastIndexOf('[');arrayIndex=name[leftBrace+1]!=']'?parseInt(name.slice(leftBrace+1)):0;name=name.slice(0,leftBrace);}
var uniformInfo=GL.programInfos[program]&&GL.programInfos[program].uniforms[name];if(uniformInfo&&arrayIndex>=0&&arrayIndex<uniformInfo[0]){return uniformInfo[1]+arrayIndex;}else{return-1;}},glUniformMatrix4fv:function(location,count,transpose,value){GL.validateGLObjectID(GL.uniforms,location,'glUniformMatrix4fv','location');assert((value&3)==0,'Pointer to float data passed to glUniformMatrix4fv must be aligned to four bytes!');var view=getArray(value,Float32Array,16);gl.uniformMatrix4fv(GL.uniforms[location],!!transpose,view);},glUseProgram:function(program){GL.validateGLObjectID(GL.programs,program,'glUseProgram','program');gl.useProgram(GL.programs[program]);},glGenVertexArrays:function(n,arrays){_glGenObject(n,arrays,'createVertexArray',GL.vaos,'glGenVertexArrays');},glGenFramebuffers:function(n,ids){_glGenObject(n,ids,'createFramebuffer',GL.framebuffers,'glGenFramebuffers');},glBindVertexArray:function(vao){gl.bindVertexArray(GL.vaos[vao]);},glBindFramebuffer:function(target,framebuffer){GL.validateGLObjectID(GL.framebuffers,framebuffer,'glBindFramebuffer','framebuffer');gl.bindFramebuffer(target,GL.framebuffers[framebuffer]);},glGenBuffers:function(n,buffers){_glGenObject(n,buffers,'createBuffer',GL.buffers,'glGenBuffers');},glBindBuffer:function(target,buffer){GL.validateGLObjectID(GL.buffers,buffer,'glBindBuffer','buffer');gl.bindBuffer(target,GL.buffers[buffer]);},glBufferData:function(target,size,data,usage){gl.bufferData(target,data?getArray(data,Uint8Array,size):size,usage);},glBufferSubData:function(target,offset,size,data){gl.bufferSubData(target,offset,data?getArray(data,Uint8Array,size):size);},glEnable:function(cap){gl.enable(cap);},glDepthFunc:function(func){gl.depthFunc(func);},glBlendFuncSeparate:function(sfactorRGB,dfactorRGB,sfactorAlpha,dfactorAlpha){gl.blendFuncSeparate(sfactorRGB,dfactorRGB,sfactorAlpha,dfactorAlpha);},glViewport:function(x,y,width,height){gl.viewport(x,y,width,height);},glDrawArrays:function(mode,first,count){gl.drawArrays(mode,first,count);},glCreateProgram:function(){var id=GL.getNewId(GL.programs);var program=gl.createProgram();program.name=id;GL.programs[id]=program;return id;},glAttachShader:function(program,shader){GL.validateGLObjectID(GL.programs,program,'glAttachShader','program');GL.validateGLObjectID(GL.shaders,shader,'glAttachShader','shader');gl.attachShader(GL.programs[program],GL.shaders[shader]);},glLinkProgram:function(program){GL.validateGLObjectID(GL.programs,program,'glLinkProgram','program');gl.linkProgram(GL.programs[program]);GL.populateUniformTable(program);},glPixelStorei:function(pname,param){gl.pixelStorei(pname,param);},glFramebufferTexture2D:function(target,attachment,textarget,texture,level){GL.validateGLObjectID(GL.textures,texture,'glFramebufferTexture2D','texture');gl.framebufferTexture2D(target,attachment,textarget,GL.textures[texture],level);},glGetProgramiv:function(program,pname,p){assert(p);GL.validateGLObjectID(GL.programs,program,'glGetProgramiv','program');if(program>=GL.counter){console.error("GL_INVALID_VALUE in glGetProgramiv");return;}
var ptable=GL.programInfos[program];if(!ptable){console.error('GL_INVALID_OPERATION in glGetProgramiv(program='+program+', pname='+pname+', p=0x'+p.toString(16)+'): The specified GL object name does not refer to a program object!');return;}
if(pname==0x8B84){var log=gl.getProgramInfoLog(GL.programs[program]);assert(log!==null);getArray(p,Int32Array,1)[0]=log.length+1;}else if(pname==0x8B87){console.error("unsupported operation");return;}else if(pname==0x8B8A){console.error("unsupported operation");return;}else if(pname==0x8A35){console.error("unsupported operation");return;}else{getArray(p,Int32Array,1)[0]=gl.getProgramParameter(GL.programs[program],pname);}},glCreateShader:function(shaderType){var id=GL.getNewId(GL.shaders);GL.shaders[id]=gl.createShader(shaderType);return id;},glStencilFuncSeparate:function(face,func,ref_,mask){gl.stencilFuncSeparate(face,func,ref_,mask);},glStencilMaskSeparate:function(face,mask){gl.stencilMaskSeparate(face,mask);},glStencilOpSeparate:function(face,fail,zfail,zpass){gl.stencilOpSeparate(face,fail,zfail,zpass);},glFrontFace:function(mode){gl.frontFace(mode);},glCullFace:function(mode){gl.cullFace(mode);},glShaderSource:function(shader,count,string,length){GL.validateGLObjectID(GL.shaders,shader,'glShaderSource','shader');var source=GL.getSource(shader,count,string,length);if(emscripten_shaders_hack){source=source.replace(/#extension GL_OES_standard_derivatives : enable/g,"");source=source.replace(/#extension GL_EXT_shader_texture_lod : enable/g,'');var prelude='';if(source.indexOf('gl_FragColor')!=-1){prelude+='out mediump vec4 GL_FragColor;\n';source=source.replace(/gl_FragColor/g,'GL_FragColor');}
if(source.indexOf('attribute')!=-1){source=source.replace(/attribute/g,'in');source=source.replace(/varying/g,'out');}else{source=source.replace(/varying/g,'in');}
source=source.replace(/textureCubeLodEXT/g,'textureCubeLod');source=source.replace(/texture2DLodEXT/g,'texture2DLod');source=source.replace(/texture2DProjLodEXT/g,'texture2DProjLod');source=source.replace(/texture2DGradEXT/g,'texture2DGrad');source=source.replace(/texture2DProjGradEXT/g,'texture2DProjGrad');source=source.replace(/textureCubeGradEXT/g,'textureCubeGrad');source=source.replace(/textureCube/g,'texture');source=source.replace(/texture1D/g,'texture');source=source.replace(/texture2D/g,'texture');source=source.replace(/texture3D/g,'texture');source=source.replace(/#version 100/g,'#version 300 es\n'+prelude);}
gl.shaderSource(GL.shaders[shader],source);},glGetProgramInfoLog:function(program,maxLength,length,infoLog){GL.validateGLObjectID(GL.programs,program,'glGetProgramInfoLog','program');var log=gl.getProgramInfoLog(GL.programs[program]);assert(log!==null);let array=getArray(infoLog,Uint8Array,maxLength);for(var i=0;i<maxLength;i++){array[i]=log.charCodeAt(i);}},glCompileShader:function(shader,count,string,length){GL.validateGLObjectID(GL.shaders,shader,'glCompileShader','shader');gl.compileShader(GL.shaders[shader]);},glGetShaderiv:function(shader,pname,p){assert(p);GL.validateGLObjectID(GL.shaders,shader,'glGetShaderiv','shader');if(pname==0x8B84){var log=gl.getShaderInfoLog(GL.shaders[shader]);assert(log!==null);getArray(p,Int32Array,1)[0]=log.length+1;}else if(pname==0x8B88){var source=gl.getShaderSource(GL.shaders[shader]);var sourceLength=(source===null||source.length==0)?0:source.length+1;getArray(p,Int32Array,1)[0]=sourceLength;}else{getArray(p,Int32Array,1)[0]=gl.getShaderParameter(GL.shaders[shader],pname);}},glGetShaderInfoLog:function(shader,maxLength,length,infoLog){GL.validateGLObjectID(GL.shaders,shader,'glGetShaderInfoLog','shader');var log=gl.getShaderInfoLog(GL.shaders[shader]);assert(log!==null);let array=getArray(infoLog,Uint8Array,maxLength);for(var i=0;i<maxLength;i++){array[i]=log.charCodeAt(i);}},glVertexAttribDivisor:function(index,divisor){gl.vertexAttribDivisor(index,divisor);},glDrawArraysInstanced:function(mode,first,count,primcount){gl.drawArraysInstanced(mode,first,count,primcount);},glDrawElementsInstanced:function(mode,count,type,indices,primcount){gl.drawElementsInstanced(mode,count,type,indices,primcount);},glDeleteShader:function(shader){gl.deleteShader(shader)},glDeleteBuffers:function(n,buffers){for(var i=0;i<n;i++){var id=getArray(buffers+i*4,Uint32Array,1)[0];var buffer=GL.buffers[id];if(!buffer)continue;gl.deleteBuffer(buffer);buffer.name=0;GL.buffers[id]=null;}},glDeleteFramebuffers:function(n,buffers){for(var i=0;i<n;i++){var id=getArray(buffers+i*4,Uint32Array,1)[0];var buffer=GL.framebuffers[id];if(!buffer)continue;gl.deleteFramebuffer(buffer);buffer.name=0;GL.framebuffers[id]=null;}},glDeleteTextures:function(n,textures){for(var i=0;i<n;i++){var id=getArray(textures+i*4,Uint32Array,1)[0];var texture=GL.textures[id];if(!texture)continue;gl.deleteTexture(texture);texture.name=0;GL.textures[id]=null;}},init_opengl:function(ptr){canvas.onmousemove=function(event){var relative_position=mouse_relative_position(event.clientX,event.clientY);var x=relative_position.x;var y=relative_position.y;wasm_exports.mouse_move(Math.floor(x),Math.floor(y));if(event.movementX!=0||event.movementY!=0){wasm_exports.raw_mouse_move(Math.floor(event.movementX),Math.floor(event.movementY));}};canvas.onmousedown=function(event){var relative_position=mouse_relative_position(event.clientX,event.clientY);var x=relative_position.x;var y=relative_position.y;var btn=into_sapp_mousebutton(event.button);wasm_exports.mouse_down(x,y,btn);};canvas.addEventListener('wheel',function(event){event.preventDefault();wasm_exports.mouse_wheel(-event.deltaX,-event.deltaY);});canvas.onmouseup=function(event){var relative_position=mouse_relative_position(event.clientX,event.clientY);var x=relative_position.x;var y=relative_position.y;var btn=into_sapp_mousebutton(event.button);wasm_exports.mouse_up(x,y,btn);};canvas.onkeydown=function(event){var sapp_key_code=into_sapp_keycode(event.code);switch(sapp_key_code){case 32:case 262:case 263:case 264:case 265:case 290:case 291:case 292:case 293:case 294:case 295:case 296:case 297:case 298:case 299:case 259:event.preventDefault();break;}
var modifiers=0;if(event.ctrlKey){modifiers|=SAPP_MODIFIER_CTRL;}
if(event.shiftKey){modifiers|=SAPP_MODIFIER_SHIFT;}
if(event.altKey){modifiers|=SAPP_MODIFIER_ALT;}
wasm_exports.key_down(sapp_key_code,modifiers,event.repeat);if(sapp_key_code==32){wasm_exports.key_press(sapp_key_code);}};canvas.onkeyup=function(event){var sapp_key_code=into_sapp_keycode(event.code);wasm_exports.key_up(sapp_key_code);};canvas.onkeypress=function(event){var sapp_key_code=into_sapp_keycode(event.code);let chrome_only=sapp_key_code==261||event.ctrlKey;if(chrome_only==false){wasm_exports.key_press(event.charCode);}};canvas.addEventListener("touchstart",function(event){event.preventDefault();for(touch of event.changedTouches){wasm_exports.touch(SAPP_EVENTTYPE_TOUCHES_BEGAN,touch.identifier,Math.floor(touch.clientX),Math.floor(touch.clientY));}});canvas.addEventListener("touchend",function(event){event.preventDefault();for(touch of event.changedTouches){wasm_exports.touch(SAPP_EVENTTYPE_TOUCHES_ENDED,touch.identifier,Math.floor(touch.clientX),Math.floor(touch.clientY));}});canvas.addEventListener("touchcancel",function(event){event.preventDefault();for(touch of event.changedTouches){wasm_exports.touch(SAPP_EVENTTYPE_TOUCHES_CANCELED,touch.identifier,Math.floor(touch.clientX),Math.floor(touch.clientY));}});canvas.addEventListener("touchmove",function(event){event.preventDefault();for(touch of event.changedTouches){wasm_exports.touch(SAPP_EVENTTYPE_TOUCHES_MOVED,touch.identifier,Math.floor(touch.clientX),Math.floor(touch.clientY));}});window.onresize=function(){resize(canvas,wasm_exports.resize);};window.addEventListener("copy",function(e){if(clipboard!=null){event.clipboardData.setData('text/plain',clipboard);event.preventDefault();}});window.addEventListener("cut",function(e){if(clipboard!=null){event.clipboardData.setData('text/plain',clipboard);event.preventDefault();}});window.addEventListener("paste",function(e){e.stopPropagation();e.preventDefault();clipboardData=e.clipboardData||window.clipboardData;pastedData=clipboardData.getData('Text');if(pastedData!=undefined&&pastedData!=null&&pastedData.length!=0){var len=pastedData.length;var msg=wasm_exports.allocate_vec_u8(len);var heap=new Uint8Array(wasm_memory.buffer,msg,len);stringToUTF8(pastedData,heap,0,len);wasm_exports.on_clipboard_paste(msg,len);}});window.requestAnimationFrame(animation);},fs_load_file:function(ptr,len){var url=UTF8ToString(ptr,len);var file_id=FS.unique_id;FS.unique_id+=1;var xhr=new XMLHttpRequest();xhr.open('GET',url,true);xhr.responseType='arraybuffer';xhr.onload=function(e){if(this.status==200){var uInt8Array=new Uint8Array(this.response);FS.loaded_files[file_id]=uInt8Array;wasm_exports.file_loaded(file_id);}}
xhr.onerror=function(e){FS.loaded_files[file_id]=null;wasm_exports.file_loaded(file_id);};xhr.send();return file_id;},fs_get_buffer_size:function(file_id){if(FS.loaded_files[file_id]==null){return-1;}else{return FS.loaded_files[file_id].length;}},fs_take_buffer:function(file_id,ptr,max_length){var file=FS.loaded_files[file_id];console.assert(file.length<=max_length);var dest=new Uint8Array(wasm_memory.buffer,ptr,max_length);for(var i=0;i<file.length;i++){dest[i]=file[i];}
delete FS.loaded_files[file_id];},sapp_set_cursor_grab:function(grab){if(grab){canvas.requestPointerLock();}else{document.exitPointerLock();}}}};function register_plugins(plugins){if(plugins==undefined)
return;for(var i=0;i<plugins.length;i++){if(plugins[i].register_plugin!=undefined&&plugins[i].register_plugin!=null){plugins[i].register_plugin(importObject);}}}
function init_plugins(plugins){if(plugins==undefined)
return;for(var i=0;i<plugins.length;i++){if(plugins[i].on_init!=undefined&&plugins[i].on_init!=null){plugins[i].on_init();}}}
function miniquad_add_plugin(plugin){plugins.push(plugin);}
function load(wasm_path){var req=fetch(wasm_path);register_plugins(plugins);if(typeof WebAssembly.instantiateStreaming==='function'){WebAssembly.instantiateStreaming(req,importObject).then(obj=>{wasm_memory=obj.instance.exports.memory;wasm_exports=obj.instance.exports;init_plugins(plugins);obj.instance.exports.main();});}else{req.then(function(x){return x.arrayBuffer();}).then(function(bytes){return WebAssembly.instantiate(bytes,importObject);}).then(function(obj){wasm_memory=obj.instance.exports.memory;wasm_exports=obj.instance.exports;init_plugins(plugins);obj.instance.exports.main();});}}
resize(canvas);