添加关照、全局等高线、修改图层问题
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268
static/sdk/three/jsm/renderers/webgl/utils/WebGLUtils.js
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268
static/sdk/three/jsm/renderers/webgl/utils/WebGLUtils.js
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import { RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT5_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT1_Format, RGB_S3TC_DXT1_Format, DepthFormat, DepthStencilFormat, LuminanceAlphaFormat, LuminanceFormat, RedFormat, RGBFormat, RGBAFormat, AlphaFormat, RedIntegerFormat, RGFormat, RGIntegerFormat, RGBAIntegerFormat, HalfFloatType, FloatType, UnsignedIntType, IntType, UnsignedShortType, ShortType, ByteType, UnsignedInt248Type, UnsignedInt5999Type, UnsignedShort5551Type, UnsignedShort4444Type, UnsignedByteType, RGBA_BPTC_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, RED_GREEN_RGTC2_Format, SIGNED_RED_GREEN_RGTC2_Format, SRGBColorSpace, NoColorSpace } from 'three';
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class WebGLUtils {
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constructor( backend ) {
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this.backend = backend;
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this.gl = this.backend.gl;
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this.extensions = backend.extensions;
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}
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convert( p, colorSpace = NoColorSpace ) {
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const { gl, extensions } = this;
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let extension;
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if ( p === UnsignedByteType ) return gl.UNSIGNED_BYTE;
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if ( p === UnsignedShort4444Type ) return gl.UNSIGNED_SHORT_4_4_4_4;
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if ( p === UnsignedShort5551Type ) return gl.UNSIGNED_SHORT_5_5_5_1;
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if ( p === UnsignedInt5999Type ) return gl.UNSIGNED_INT_5_9_9_9_REV;
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if ( p === ByteType ) return gl.BYTE;
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if ( p === ShortType ) return gl.SHORT;
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if ( p === UnsignedShortType ) return gl.UNSIGNED_SHORT;
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if ( p === IntType ) return gl.INT;
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if ( p === UnsignedIntType ) return gl.UNSIGNED_INT;
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if ( p === FloatType ) return gl.FLOAT;
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if ( p === HalfFloatType ) {
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return gl.HALF_FLOAT;
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}
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if ( p === AlphaFormat ) return gl.ALPHA;
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if ( p === RGBFormat ) return gl.RGB;
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if ( p === RGBAFormat ) return gl.RGBA;
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if ( p === LuminanceFormat ) return gl.LUMINANCE;
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if ( p === LuminanceAlphaFormat ) return gl.LUMINANCE_ALPHA;
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if ( p === DepthFormat ) return gl.DEPTH_COMPONENT;
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if ( p === DepthStencilFormat ) return gl.DEPTH_STENCIL;
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// WebGL2 formats.
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if ( p === RedFormat ) return gl.RED;
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if ( p === RedIntegerFormat ) return gl.RED_INTEGER;
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if ( p === RGFormat ) return gl.RG;
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if ( p === RGIntegerFormat ) return gl.RG_INTEGER;
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if ( p === RGBAIntegerFormat ) return gl.RGBA_INTEGER;
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// S3TC
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if ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {
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if ( colorSpace === SRGBColorSpace ) {
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extension = extensions.get( 'WEBGL_compressed_texture_s3tc_srgb' );
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if ( extension !== null ) {
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if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_S3TC_DXT1_EXT;
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if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;
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if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;
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if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
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} else {
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return null;
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}
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} else {
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extension = extensions.get( 'WEBGL_compressed_texture_s3tc' );
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if ( extension !== null ) {
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if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;
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if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;
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if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;
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if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;
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} else {
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return null;
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}
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}
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}
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// PVRTC
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if ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {
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extension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );
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if ( extension !== null ) {
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if ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
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if ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
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if ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
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if ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
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} else {
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return null;
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}
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}
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// ETC
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if ( p === RGB_ETC1_Format || p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) {
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extension = extensions.get( 'WEBGL_compressed_texture_etc' );
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if ( extension !== null ) {
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if ( p === RGB_ETC1_Format || p === RGB_ETC2_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ETC2 : extension.COMPRESSED_RGB8_ETC2;
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if ( p === RGBA_ETC2_EAC_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : extension.COMPRESSED_RGBA8_ETC2_EAC;
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} else {
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return null;
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}
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}
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// ASTC
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if ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format ||
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p === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format ||
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p === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format ||
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p === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format ||
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p === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ) {
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extension = extensions.get( 'WEBGL_compressed_texture_astc' );
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if ( extension !== null ) {
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if ( p === RGBA_ASTC_4x4_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR : extension.COMPRESSED_RGBA_ASTC_4x4_KHR;
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if ( p === RGBA_ASTC_5x4_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR : extension.COMPRESSED_RGBA_ASTC_5x4_KHR;
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if ( p === RGBA_ASTC_5x5_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR : extension.COMPRESSED_RGBA_ASTC_5x5_KHR;
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if ( p === RGBA_ASTC_6x5_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR : extension.COMPRESSED_RGBA_ASTC_6x5_KHR;
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if ( p === RGBA_ASTC_6x6_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR : extension.COMPRESSED_RGBA_ASTC_6x6_KHR;
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if ( p === RGBA_ASTC_8x5_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR : extension.COMPRESSED_RGBA_ASTC_8x5_KHR;
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if ( p === RGBA_ASTC_8x6_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR : extension.COMPRESSED_RGBA_ASTC_8x6_KHR;
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if ( p === RGBA_ASTC_8x8_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR : extension.COMPRESSED_RGBA_ASTC_8x8_KHR;
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if ( p === RGBA_ASTC_10x5_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR : extension.COMPRESSED_RGBA_ASTC_10x5_KHR;
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if ( p === RGBA_ASTC_10x6_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR : extension.COMPRESSED_RGBA_ASTC_10x6_KHR;
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if ( p === RGBA_ASTC_10x8_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR : extension.COMPRESSED_RGBA_ASTC_10x8_KHR;
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if ( p === RGBA_ASTC_10x10_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR : extension.COMPRESSED_RGBA_ASTC_10x10_KHR;
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if ( p === RGBA_ASTC_12x10_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR : extension.COMPRESSED_RGBA_ASTC_12x10_KHR;
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if ( p === RGBA_ASTC_12x12_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR : extension.COMPRESSED_RGBA_ASTC_12x12_KHR;
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} else {
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return null;
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}
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}
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// BPTC
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if ( p === RGBA_BPTC_Format ) {
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extension = extensions.get( 'EXT_texture_compression_bptc' );
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if ( extension !== null ) {
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if ( p === RGBA_BPTC_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT : extension.COMPRESSED_RGBA_BPTC_UNORM_EXT;
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} else {
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return null;
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}
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}
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// RGTC
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if ( p === RED_RGTC1_Format || p === SIGNED_RED_RGTC1_Format || p === RED_GREEN_RGTC2_Format || p === SIGNED_RED_GREEN_RGTC2_Format ) {
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extension = extensions.get( 'EXT_texture_compression_rgtc' );
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if ( extension !== null ) {
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if ( p === RGBA_BPTC_Format ) return extension.COMPRESSED_RED_RGTC1_EXT;
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if ( p === SIGNED_RED_RGTC1_Format ) return extension.COMPRESSED_SIGNED_RED_RGTC1_EXT;
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if ( p === RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_RED_GREEN_RGTC2_EXT;
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if ( p === SIGNED_RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT;
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} else {
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return null;
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}
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}
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//
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if ( p === UnsignedInt248Type ) {
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return gl.UNSIGNED_INT_24_8;
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}
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// if "p" can't be resolved, assume the user defines a WebGL constant as a string (fallback/workaround for packed RGB formats)
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return ( gl[ p ] !== undefined ) ? gl[ p ] : null;
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}
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_clientWaitAsync() {
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const { gl } = this;
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const sync = gl.fenceSync( gl.SYNC_GPU_COMMANDS_COMPLETE, 0 );
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gl.flush();
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return new Promise( ( resolve, reject ) => {
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function test() {
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const res = gl.clientWaitSync( sync, gl.SYNC_FLUSH_COMMANDS_BIT, 0 );
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if ( res === gl.WAIT_FAILED ) {
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gl.deleteSync( sync );
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reject();
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return;
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}
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if ( res === gl.TIMEOUT_EXPIRED ) {
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requestAnimationFrame( test );
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return;
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}
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gl.deleteSync( sync );
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resolve();
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}
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test();
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} );
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}
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}
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export default WebGLUtils;
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