@arcgis/core/views/webgl/Util.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{webglDebugEnabled as e,getErrorMessage as s}from"./checkWebGLError.js";import{CompressedTextureFormat as c,SizedPixelFormat as a,SizedDepthStencilFormat as r,SizedDepthFormat as t,DataType as R}from"./enums.js";const n=new Set([R.BYTE,R.SHORT,R.INT,R.UNSIGNED_BYTE,R.UNSIGNED_SHORT,R.UNSIGNED_INT]);function _(c,a,r,t=0){const R=c.gl;c.bindBuffer(r);for(const _ of r.layout){const r=a.get(_.name);if(null==r){console.warn(`There is no location for vertex attribute '${_.name}' defined.`);continue}const i=t*_.stride;if(_.count<=4)_.integer&&n.has(_.type)?R.vertexAttribIPointer(r,_.count,_.type,_.stride,_.offset+i):R.vertexAttribPointer(r,_.count,_.type,_.normalized,_.stride,_.offset+i),R.enableVertexAttribArray(r),_.divisor>0&&R.vertexAttribDivisor(r,_.divisor);else if(9===_.count)for(let e=0;e<3;e++)R.vertexAttribPointer(r+e,3,_.type,_.normalized,_.stride,_.offset+12*e+i),R.enableVertexAttribArray(r+e),_.divisor>0&&R.vertexAttribDivisor(r+e,_.divisor);else if(16===_.count)for(let e=0;e<4;e++)R.vertexAttribPointer(r+e,4,_.type,_.normalized,_.stride,_.offset+16*e+i),R.enableVertexAttribArray(r+e),_.divisor>0&&R.vertexAttribDivisor(r+e,_.divisor);else console.error("Unsupported vertex attribute element count: "+_.count);if(e()){const e=s(c.gl);e&&console.error(`Unable to bind vertex attribute "${_.name}" with baseInstanceOffset ${i}:`,e,_)}}}function i(e){switch(e){case 6406:case 6409:case 6403:case 36244:case 6402:case 34041:return 1;case 6410:case 33319:case 33320:return 2;case 6407:case 36248:return 3;case 6408:case 36249:return 4}return 0}function E(e){switch(e){case 6406:case 6409:case 6403:case 36244:case a.R8:case a.R8I:case a.R8UI:case a.R8_SNORM:case 36168:return 1;case 6410:case 33319:case 33320:case a.RGBA4:case a.R16F:case a.R16I:case a.R16UI:case a.RG8:case a.RG8I:case a.RG8UI:case a.RG8_SNORM:case a.RGB565:case a.RGB5_A1:case t.DEPTH_COMPONENT16:return 2;case 6407:case 36248:case a.RGB8:case a.RGB8I:case a.RGB8UI:case a.RGB8_SNORM:case a.SRGB8:case t.DEPTH_COMPONENT24:return 3;case 6408:case 36249:case a.RGBA8:case a.R32F:case a.R11F_G11F_B10F:case a.RG16F:case a.R32I:case a.R32UI:case a.RG16I:case a.RG16UI:case a.RGBA8I:case a.RGBA8UI:case a.RGBA8_SNORM:case a.SRGB8_ALPHA8:case a.RGB9_E5:case a.RGB10_A2UI:case a.RGB10_A2:case t.DEPTH_COMPONENT32F:case r.DEPTH24_STENCIL8:return 4;case r.DEPTH32F_STENCIL8:return 5;case a.RGB16F:case a.RGB16I:case a.RGB16UI:return 6;case a.RG32F:case a.RG32I:case a.RG32UI:case a.RGBA16F:case a.RGBA16I:case a.RGBA16UI:return 8;case a.RGB32F:case a.RGB32I:case a.RGB32UI:return 12;case a.RGBA32F:case a.RGBA32I:case a.RGBA32UI:return 16;case c.COMPRESSED_RGB_S3TC_DXT1_EXT:case c.COMPRESSED_RGBA_S3TC_DXT1_EXT:return.5;case c.COMPRESSED_RGBA_S3TC_DXT3_EXT:case c.COMPRESSED_RGBA_S3TC_DXT5_EXT:return 1;case c.COMPRESSED_R11_EAC:case c.COMPRESSED_SIGNED_R11_EAC:case c.COMPRESSED_RGB8_ETC2:case c.COMPRESSED_SRGB8_ETC2:case c.COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:case c.COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:return.5;case c.COMPRESSED_RG11_EAC:case c.COMPRESSED_SIGNED_RG11_EAC:case c.COMPRESSED_RGBA8_ETC2_EAC:case c.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:return 1}return 0}export{_ as bindVertexBufferLayout,E as getFormatBytesPerElement,i as getFormatComponents};