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@arcgis/core

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

js.arcgis.com

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/* All material copyright ESRI, All Rights Reserved, unless otherwise specified. See https://js.arcgis.com/4.32/esri/copyright.txt for details. */ import"../../core/has.js";import{webglDebugEnabled as e}from"./checkWebGLError.js";import{BufferType as r,CompressedTextureFormat as t,SizedPixelFormat as s,RenderbufferFormat as a,PixelFormat as c}from"./enums.js";import{getDataTypeBytes as n}from"./getDataTypeBytes.js";function o(e){const r=e.gl;switch(r.getError()){case r.NO_ERROR:return null;case r.INVALID_ENUM:return"An unacceptable value has been specified for an enumerated argument";case r.INVALID_VALUE:return"An unacceptable value has been specified for an argument";case r.INVALID_OPERATION:return"The specified command is not allowed for the current state";case r.INVALID_FRAMEBUFFER_OPERATION:return"The currently bound framebuffer is not framebuffer complete";case r.OUT_OF_MEMORY:return"Not enough memory is left to execute the command";case r.CONTEXT_LOST_WEBGL:return"WebGL context is lost"}return"Unknown error"}function i(e,r){return(e.vertexBuffers.get(r)?.usedMemory??0)/R(e.layout.get(r))}function R(e){return e[0].stride}function E(r,t,s,a,c=0){const i=r.gl;r.bindBuffer(s);for(const R of a){const s=t.get(R.name);if(null==s){console.warn(`There is no location for vertex attribute '${R.name}' defined.`);continue}const a=c*R.stride;if(R.count<=4)i.vertexAttribPointer(s,R.count,R.type,R.normalized,R.stride,R.offset+a),i.enableVertexAttribArray(s),R.divisor>0&&r.gl.vertexAttribDivisor(s,R.divisor);else if(9===R.count)for(let e=0;e<3;e++)i.vertexAttribPointer(s+e,3,R.type,R.normalized,R.stride,R.offset+12*e+a),i.enableVertexAttribArray(s+e),R.divisor>0&&r.gl.vertexAttribDivisor(s+e,R.divisor);else if(16===R.count)for(let e=0;e<4;e++)i.vertexAttribPointer(s+e,4,R.type,R.normalized,R.stride,R.offset+16*e+a),i.enableVertexAttribArray(s+e),R.divisor>0&&r.gl?.vertexAttribDivisor(s+e,R.divisor);else console.error("Unsupported vertex attribute element count: "+R.count);if(e()){const e=o(r),t=n(R.type),s=R.offset,c=Math.round(t/s)!==t/s?`. Offset not a multiple of stride. DataType requires ${t} bytes, but descriptor has an offset of ${s}`:"";e&&console.error(`Unable to bind vertex attribute "${R.name}" with baseInstanceOffset ${a}${c}:`,e,R)}}}function _(e,t,s,a){const c=e.gl;e.bindBuffer(s);for(const r of a){const s=t.get(r.name);if(r.count<=4)c.disableVertexAttribArray(s),r.divisor&&r.divisor>0&&e.gl?.vertexAttribDivisor(s,0);else if(9===r.count)for(let t=0;t<3;t++)c.disableVertexAttribArray(s+t),r.divisor&&r.divisor>0&&e.gl?.vertexAttribDivisor(s+t,0);else if(16===r.count)for(let t=0;t<4;t++)c.disableVertexAttribArray(s+t),r.divisor&&r.divisor>0&&e.gl?.vertexAttribDivisor(s+t,0);else console.error("Unsupported vertex attribute element count: "+r.count)}e.unbindBuffer(r.ARRAY_BUFFER)}function u(e){switch(e){case c.ALPHA:case c.LUMINANCE:case c.RED:case c.RED_INTEGER:case s.R8:case s.R8I:case s.R8UI:case s.R8_SNORM:case a.STENCIL_INDEX8:return 1;case c.LUMINANCE_ALPHA:case c.RG:case c.RG_INTEGER:case s.RGBA4:case s.R16F:case s.R16I:case s.R16UI:case s.RG8:case s.RG8I:case s.RG8UI:case s.RG8_SNORM:case s.RGB565:case s.RGB5_A1:case a.DEPTH_COMPONENT16:return 2;case c.DEPTH_COMPONENT:case c.RGB:case c.RGB_INTEGER:case s.RGB8:case s.RGB8I:case s.RGB8UI:case s.RGB8_SNORM:case s.SRGB8:case a.DEPTH_COMPONENT24:return 3;case c.DEPTH_STENCIL:case c.DEPTH24_STENCIL8:case c.RGBA:case c.RGBA_INTEGER:case s.RGBA8:case s.R32F:case s.R11F_G11F_B10F:case s.RG16F:case s.R32I:case s.R32UI:case s.RG16I:case s.RG16UI:case s.RGBA8I:case s.RGBA8UI:case s.RGBA8_SNORM:case s.SRGB8_ALPHA8:case s.RGB9_E5:case s.RGB10_A2UI:case s.RGB10_A2:case a.DEPTH_STENCIL:case a.DEPTH_COMPONENT32F:case a.DEPTH24_STENCIL8:return 4;case a.DEPTH32F_STENCIL8:return 5;case s.RGB16F:case s.RGB16I:case s.RGB16UI:return 6;case s.RG32F:case s.RG32I:case s.RG32UI:case s.RGBA16F:case s.RGBA16I:case s.RGBA16UI:return 8;case s.RGB32F:case s.RGB32I:case s.RGB32UI:return 12;case s.RGBA32F:case s.RGBA32I:case s.RGBA32UI:return 16;case t.COMPRESSED_RGB_S3TC_DXT1_EXT:case t.COMPRESSED_RGBA_S3TC_DXT1_EXT:return.5;case t.COMPRESSED_RGBA_S3TC_DXT3_EXT:case t.COMPRESSED_RGBA_S3TC_DXT5_EXT:return 1;case t.COMPRESSED_R11_EAC:case t.COMPRESSED_SIGNED_R11_EAC:case t.COMPRESSED_RGB8_ETC2:case t.COMPRESSED_SRGB8_ETC2:case t.COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:case t.COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:return.5;case t.COMPRESSED_RG11_EAC:case t.COMPRESSED_SIGNED_RG11_EAC:case t.COMPRESSED_RGBA8_ETC2_EAC:case t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:return 1}return 0}export{E as bindVertexBufferLayout,u as getBytesPerElementFormat,o as getErrorString,R as getStride,_ as unbindVertexBufferLayout,i as vertexCount};