@arcgis/core/views/2d/engine/webgl/RenderingDevice.js

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import"../../../../core/has.js";import"../../../../core/Logger.js";import{TechniqueProgramCache as e}from"./shaderGraph/techniques/TechniqueProgramCache.js";class t{constructor(){this._currentPipelineStateNeedsUpdate=!1,this._programCache=new e}dispose(){this._programCache.destroy()}clearShaderCache(){this._programCache.destroy(),this._programCache=new e}setShader(e){return this._shaderState={shader:e.shader,uniforms:e.uniforms,defines:e.defines,optionalAttributes:e.optionalAttributes,useComputeBuffer:e.useComputeBuffer??!1},this._shaderState}setPipelineState(e){e!==this._currentPipelineState&&(this._currentPipelineState=e,this._currentPipelineStateNeedsUpdate=!0)}updatePipelineState(e){this._currentPipelineStateNeedsUpdate&&(this._currentPipelineStateNeedsUpdate=!1,this._updatePipelineState(e))}getPipelineState(){return this._currentPipelineState}setStencilRef(e,t){if(null==this._currentPipelineState)throw new Error("Pipeline state not defined. Call setPipelineState before calling submitDraw ");const{stencil:s}=this._currentPipelineState;if(s){const{test:r}=s;if(r){const{compare:s,mask:i}=r;if(null==t)throw new Error("InternalError: Stencil reference expected for target but not defined");e.setStencilFunctionSeparate(1032,s,t,i)}}}setPipelineStateNeedsUpdate(e){this._currentPipelineStateNeedsUpdate=e}getShaderState(){return this._shaderState}getProgramCache(){return this._programCache}submitDraw(e,t,s){let r=s?.stencilRef;if(!this._shaderState)return null;const{shader:i,uniforms:n,defines:a,optionalAttributes:l}=this._shaderState,o=e.context,c=t.getAttributePrecisionPackFactors(),d=this._programCache.getProgram(i,c,n,a??{},l??{});if(d.setUniforms(n),d.bind(o),this.updatePipelineState(o),null==r){const e=t.getStencilReference();null!=e&&(r=e)}return null!=r&&this.setStencilRef(o,r),t.draw(e,i.locationInfo),d.cleanupTemporaryTextures(),{vertexShader:d.vertexShader,fragmentShader:d.fragmentShader}}submitDrawMesh(e,t,s,r){this.submitDrawMeshUntyped(e,t,s,r)}submitDrawMeshUntyped(e,t,s,r){const i=r?.parts,n=r?.stencilRef,{precisionFactors:a,materialKey:l}=t,{shader:o,uniforms:c,defines:d,optionalAttributes:p}=this.setShader(t),h=this._programCache.getProgram(o,a||{},c,d??{},p??{},l);if(h.setUniforms(c),h.bind(e),this.updatePipelineState(e),this.setStencilRef(e,n),i)for(const u of i)s.bind(e,t.shader.locationInfo,u),s.draw(e);else for(let u=0;u<s.parts.length;u++)s.bind(e,t.shader.locationInfo,u),s.draw(e);s.unbind(e),h.cleanupTemporaryTextures()}_updatePipelineState(e){if(null==this._currentPipelineState)throw new Error("Pipeline state not defined. Call setPipelineState before calling submitDraw ");const{color:t,depth:s,stencil:r}=this._currentPipelineState;if(t){const{blendMode:s,write:r}=t;switch(e.setColorMask(...r),e.setBlendingEnabled("none"!==s),e.setBlendEquation(32774),s){case"composite":e.setBlendFunctionSeparate(1,771,1,771);break;case"additive":e.setBlendFunctionSeparate(1,1,1,1);break;case"custom":{const{blendParameters:s}=t,{dstAlpha:r,dstRGB:i,srcAlpha:n,srcRGB:a}=s;e.setBlendFunctionSeparate(a,i,n,r);break}case"delete":e.setBlendEquation(32779),e.setBlendFunctionSeparate(1,771,1,771);break;case"none":e.setBlendingEnabled(!1)}}else e.setColorMask(!1,!1,!1,!1);if(s){const{test:t,write:r}=s;r?(e.setDepthWriteEnabled(!0),e.setDepthRange(r.zNear,r.zFar)):e.setDepthWriteEnabled(!1),t?(e.setDepthTestEnabled(!0),e.setDepthFunction(t)):e.setDepthTestEnabled(!1)}else e.setDepthTestEnabled(!1),e.setDepthWriteEnabled(!1);if(r){const{test:t,write:s}=r;if(t){const{op:s}=t;e.setStencilTestEnabled(!0),e.setStencilOpSeparate(1032,s.fail,s.zFail,s.zPass)}else e.setStencilTestEnabled(!1);if(s){const{mask:t}=s;e.setStencilWriteMask(t)}else e.setStencilWriteMask(0)}else e.setStencilTestEnabled(!1),e.setStencilWriteMask(0)}}export{t as RenderingDevice};