@doegis/core/views/3d/webgl-engine/lib/Program.js

DOE GIS API

import{isNone as t,isSome as e}from"../../../../core/maybe.js";import r from"../../../../core/PooledArray.js";import{BindType as i}from"../core/shaderTechnique/BindType.js";import{webglDebugEnabled as s}from"../../../webgl/checkWebGLError.js";class o{constructor(t,e,o){this._context=t,this._locations=o,this._textures=new Map,this._freeTextureUnits=new r({deallocator:null}),this._glProgram=t.programCache.acquire(e.generate("vertex"),e.generate("fragment"),o),this._glProgram.stop=()=>{throw new Error("Wrapped _glProgram used directly")},this.bindPass=e.generateBind(i.Pass,this),this.bindDraw=e.generateBind(i.Draw,this),this._fragmentUniforms=s()?e.fragmentUniforms:null}dispose(){this._glProgram.dispose()}get glName(){return this._glProgram.glName}get compiled(){return this._glProgram.compiled}setUniform1b(t,e){this._glProgram.setUniform1i(t,e?1:0)}setUniform1i(t,e){this._glProgram.setUniform1i(t,e)}setUniform1f(t,e){this._glProgram.setUniform1f(t,e)}setUniform2fv(t,e){this._glProgram.setUniform2fv(t,e)}setUniform3fv(t,e){this._glProgram.setUniform3fv(t,e)}setUniform4fv(t,e){this._glProgram.setUniform4fv(t,e)}setUniformMatrix3fv(t,e){this._glProgram.setUniformMatrix3fv(t,e)}setUniformMatrix4fv(t,e){this._glProgram.setUniformMatrix4fv(t,e)}setUniform1fv(t,e){this._glProgram.setUniform1fv(t,e)}setUniform1iv(t,e){this._glProgram.setUniform1iv(t,e)}setUniform2iv(t,e){this._glProgram.setUniform3iv(t,e)}setUniform3iv(t,e){this._glProgram.setUniform3iv(t,e)}setUniform4iv(t,e){this._glProgram.setUniform4iv(t,e)}assertCompatibleVertexAttributeLocations(t){t.locations!==this._locations&&console.error("VertexAttributeLocations are incompatible")}stop(){this._textures.clear(),this._freeTextureUnits.clear()}bindTexture(e,r){if(t(r)||null==r.glName){const t=this._textures.get(e);return t&&(this._context.bindTexture(null,t.unit),this._freeTextureUnit(t),this._textures.delete(e)),null}let i=this._textures.get(e);return null==i?(i=this._allocTextureUnit(r),this._textures.set(e,i)):i.texture=r,this._context.useProgram(this),this.setUniform1i(e,i.unit),this._context.bindTexture(r,i.unit),i.unit}rebindTextures(){this._context.useProgram(this),this._textures.forEach(((t,e)=>{this._context.bindTexture(t.texture,t.unit),this.setUniform1i(e,t.unit)})),e(this._fragmentUniforms)&&this._fragmentUniforms.forEach((t=>{"sampler2D"!==t.type&&"samplerCube"!==t.type||this._textures.has(t.name)||console.error(`Texture sampler ${t.name} has no bound texture`)}))}_allocTextureUnit(t){return{texture:t,unit:0===this._freeTextureUnits.length?this._textures.size:this._freeTextureUnits.pop()}}_freeTextureUnit(t){this._freeTextureUnits.push(t.unit)}}export{o as Program};