MCP 3D Printer Server

by DMontgomery40
Verified
import { FloatType, HalfFloatType, RGBAFormat, UnsignedByteType } from '../../constants.js'; function WebGLCapabilities( gl, extensions, parameters, utils ) { let maxAnisotropy; function getMaxAnisotropy() { if ( maxAnisotropy !== undefined ) return maxAnisotropy; if ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) { const extension = extensions.get( 'EXT_texture_filter_anisotropic' ); maxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT ); } else { maxAnisotropy = 0; } return maxAnisotropy; } function textureFormatReadable( textureFormat ) { if ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) { return false; } return true; } function textureTypeReadable( textureType ) { const halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || extensions.has( 'EXT_color_buffer_float' ) ); if ( textureType !== UnsignedByteType && utils.convert( textureType ) !== gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // Edge and Chrome Mac < 52 (#9513) textureType !== FloatType && ! halfFloatSupportedByExt ) { return false; } return true; } function getMaxPrecision( precision ) { if ( precision === 'highp' ) { if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 && gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) { return 'highp'; } precision = 'mediump'; } if ( precision === 'mediump' ) { if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 && gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) { return 'mediump'; } } return 'lowp'; } let precision = parameters.precision !== undefined ? parameters.precision : 'highp'; const maxPrecision = getMaxPrecision( precision ); if ( maxPrecision !== precision ) { console.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' ); precision = maxPrecision; } const logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true; const reverseDepthBuffer = parameters.reverseDepthBuffer === true && extensions.has( 'EXT_clip_control' ); const maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); const maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS ); const maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE ); const maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE ); const maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); const maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS ); const maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS ); const maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS ); const vertexTextures = maxVertexTextures > 0; const maxSamples = gl.getParameter( gl.MAX_SAMPLES ); return { isWebGL2: true, // keeping this for backwards compatibility getMaxAnisotropy: getMaxAnisotropy, getMaxPrecision: getMaxPrecision, textureFormatReadable: textureFormatReadable, textureTypeReadable: textureTypeReadable, precision: precision, logarithmicDepthBuffer: logarithmicDepthBuffer, reverseDepthBuffer: reverseDepthBuffer, maxTextures: maxTextures, maxVertexTextures: maxVertexTextures, maxTextureSize: maxTextureSize, maxCubemapSize: maxCubemapSize, maxAttributes: maxAttributes, maxVertexUniforms: maxVertexUniforms, maxVaryings: maxVaryings, maxFragmentUniforms: maxFragmentUniforms, vertexTextures: vertexTextures, maxSamples: maxSamples }; } export { WebGLCapabilities };