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[READ-ONLY] Mirror of https://github.com/flo-bit/shapecraft. flo-bit.dev/shapecraft
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31 kB · 1084 lines
JavaScript
at commit da69385e
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// From https://www.khronos.org/registry/webgl/extensions/KHR_parallel_shader_compile/const COMPLETION_STATUS_KHR = 0x91B1;
let programIdCount = 0;
function handleSource( string, errorLine ) {
const lines = string.split( '\n' ); const lines2 = [];
const from = Math.max( errorLine - 6, 0 ); const to = Math.min( errorLine + 6, lines.length );
for ( let i = from; i < to; i ++ ) {
const line = i + 1; lines2.push( `${line === errorLine ? '>' : ' '} ${line}: ${lines[ i ]}` );
}
return lines2.join( '\n' );
}
const _m0 = /*@__PURE__*/ new Matrix3();
function getEncodingComponents( colorSpace ) {
ColorManagement._getMatrix( _m0, ColorManagement.workingColorSpace, colorSpace );
const encodingMatrix = `mat3( ${ _m0.elements.map( ( v ) => v.toFixed( 4 ) ) } )`;
switch ( ColorManagement.getTransfer( colorSpace ) ) {
case LinearTransfer: return [ encodingMatrix, 'LinearTransferOETF' ];
case SRGBTransfer: return [ encodingMatrix, 'sRGBTransferOETF' ];
default: console.warn( 'THREE.WebGLProgram: Unsupported color space: ', colorSpace ); return [ encodingMatrix, 'LinearTransferOETF' ];
}
}
function getShaderErrors( gl, shader, type ) {
const status = gl.getShaderParameter( shader, gl.COMPILE_STATUS ); const errors = gl.getShaderInfoLog( shader ).trim();
if ( status && errors === '' ) return '';
const errorMatches = /ERROR: 0:(\d+)/.exec( errors ); if ( errorMatches ) {
// --enable-privileged-webgl-extension // console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );
const errorLine = parseInt( errorMatches[ 1 ] ); return type.toUpperCase() + '\n\n' + errors + '\n\n' + handleSource( gl.getShaderSource( shader ), errorLine );
} else {
return errors;
}
}
function getTexelEncodingFunction( functionName, colorSpace ) {
const components = getEncodingComponents( colorSpace );
return [
`vec4 ${functionName}( vec4 value ) {`,
` return ${components[ 1 ]}( vec4( value.rgb * ${components[ 0 ]}, value.a ) );`,
'}',
].join( '\n' );
}
function getToneMappingFunction( functionName, toneMapping ) {
let toneMappingName;
switch ( toneMapping ) {
case LinearToneMapping: toneMappingName = 'Linear'; break;
case ReinhardToneMapping: toneMappingName = 'Reinhard'; break;
case CineonToneMapping: toneMappingName = 'Cineon'; break;
case ACESFilmicToneMapping: toneMappingName = 'ACESFilmic'; break;
case AgXToneMapping: toneMappingName = 'AgX'; break;
case NeutralToneMapping: toneMappingName = 'Neutral'; break;
case CustomToneMapping: toneMappingName = 'Custom'; break;
default: console.warn( 'THREE.WebGLProgram: Unsupported toneMapping:', toneMapping ); toneMappingName = 'Linear';
}
return 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }';
}
const _v0 = /*@__PURE__*/ new Vector3();
function getLuminanceFunction() {
ColorManagement.getLuminanceCoefficients( _v0 );
const r = _v0.x.toFixed( 4 ); const g = _v0.y.toFixed( 4 ); const b = _v0.z.toFixed( 4 );
return [
'float luminance( const in vec3 rgb ) {',
` const vec3 weights = vec3( ${ r }, ${ g }, ${ b } );`,
' return dot( weights, rgb );',
'}'
].join( '\n' );
}
function generateVertexExtensions( parameters ) {
const chunks = [ parameters.extensionClipCullDistance ? '#extension GL_ANGLE_clip_cull_distance : require' : '', parameters.extensionMultiDraw ? '#extension GL_ANGLE_multi_draw : require' : '', ];
return chunks.filter( filterEmptyLine ).join( '\n' );
}
function generateDefines( defines ) {
const chunks = [];
for ( const name in defines ) {
const value = defines[ name ];
if ( value === false ) continue;
chunks.push( '#define ' + name + ' ' + value );
}
return chunks.join( '\n' );
}
function fetchAttributeLocations( gl, program ) {
const attributes = {};
const n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );
for ( let i = 0; i < n; i ++ ) {
const info = gl.getActiveAttrib( program, i ); const name = info.name;
let locationSize = 1; if ( info.type === gl.FLOAT_MAT2 ) locationSize = 2; if ( info.type === gl.FLOAT_MAT3 ) locationSize = 3; if ( info.type === gl.FLOAT_MAT4 ) locationSize = 4;
// console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );
attributes[ name ] = { type: info.type, location: gl.getAttribLocation( program, name ), locationSize: locationSize };
}
return attributes;
}
function filterEmptyLine( string ) {
return string !== '';
}
function replaceLightNums( string, parameters ) {
const numSpotLightCoords = parameters.numSpotLightShadows + parameters.numSpotLightMaps - parameters.numSpotLightShadowsWithMaps;
return string .replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights ) .replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights ) .replace( /NUM_SPOT_LIGHT_MAPS/g, parameters.numSpotLightMaps ) .replace( /NUM_SPOT_LIGHT_COORDS/g, numSpotLightCoords ) .replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights ) .replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights ) .replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights ) .replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows ) .replace( /NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS/g, parameters.numSpotLightShadowsWithMaps ) .replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows ) .replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows );
}
function replaceClippingPlaneNums( string, parameters ) {
return string .replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes ) .replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) );
}
// Resolve Includes
const includePattern = /^[ \t]*#include +<([\w\d./]+)>/gm;
function resolveIncludes( string ) {
return string.replace( includePattern, includeReplacer );
}
const shaderChunkMap = new Map();
function includeReplacer( match, include ) {
let string = ShaderChunk[ include ];
if ( string === undefined ) {
const newInclude = shaderChunkMap.get( include );
if ( newInclude !== undefined ) {
string = ShaderChunk[ newInclude ]; console.warn( 'THREE.WebGLRenderer: Shader chunk "%s" has been deprecated. Use "%s" instead.', include, newInclude );
} else {
throw new Error( 'Can not resolve #include <' + include + '>' );
}
}
return resolveIncludes( string );
}
// Unroll Loops
const unrollLoopPattern = /#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g;
function unrollLoops( string ) {
return string.replace( unrollLoopPattern, loopReplacer );
}
function loopReplacer( match, start, end, snippet ) {
let string = '';
for ( let i = parseInt( start ); i < parseInt( end ); i ++ ) {
string += snippet .replace( /\[\s*i\s*\]/g, '[ ' + i + ' ]' ) .replace( /UNROLLED_LOOP_INDEX/g, i );
}
return string;
}
//
function generatePrecision( parameters ) {
let precisionstring = `precision ${parameters.precision} float; precision ${parameters.precision} int; precision ${parameters.precision} sampler2D; precision ${parameters.precision} samplerCube; precision ${parameters.precision} sampler3D; precision ${parameters.precision} sampler2DArray; precision ${parameters.precision} sampler2DShadow; precision ${parameters.precision} samplerCubeShadow; precision ${parameters.precision} sampler2DArrayShadow; precision ${parameters.precision} isampler2D; precision ${parameters.precision} isampler3D; precision ${parameters.precision} isamplerCube; precision ${parameters.precision} isampler2DArray; precision ${parameters.precision} usampler2D; precision ${parameters.precision} usampler3D; precision ${parameters.precision} usamplerCube; precision ${parameters.precision} usampler2DArray; `;
if ( parameters.precision === 'highp' ) {
precisionstring += '\n#define HIGH_PRECISION';
} else if ( parameters.precision === 'mediump' ) {
precisionstring += '\n#define MEDIUM_PRECISION';
} else if ( parameters.precision === 'lowp' ) {
precisionstring += '\n#define LOW_PRECISION';
}
return precisionstring;
}
function generateShadowMapTypeDefine( parameters ) {
let shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';
if ( parameters.shadowMapType === PCFShadowMap ) {
shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';
} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {
shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';
} else if ( parameters.shadowMapType === VSMShadowMap ) {
shadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM';
}
return shadowMapTypeDefine;
}
function generateEnvMapTypeDefine( parameters ) {
let envMapTypeDefine = 'ENVMAP_TYPE_CUBE';
if ( parameters.envMap ) {
switch ( parameters.envMapMode ) {
case CubeReflectionMapping: case CubeRefractionMapping: envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; break;
case CubeUVReflectionMapping: envMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV'; break;
}
}
return envMapTypeDefine;
}
function generateEnvMapModeDefine( parameters ) {
let envMapModeDefine = 'ENVMAP_MODE_REFLECTION';
if ( parameters.envMap ) {
switch ( parameters.envMapMode ) {
case CubeRefractionMapping:
envMapModeDefine = 'ENVMAP_MODE_REFRACTION'; break;
}
}
return envMapModeDefine;
}
function generateEnvMapBlendingDefine( parameters ) {
let envMapBlendingDefine = 'ENVMAP_BLENDING_NONE';
if ( parameters.envMap ) {
switch ( parameters.combine ) {
case MultiplyOperation: envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; break;
case MixOperation: envMapBlendingDefine = 'ENVMAP_BLENDING_MIX'; break;
case AddOperation: envMapBlendingDefine = 'ENVMAP_BLENDING_ADD'; break;
}
}
return envMapBlendingDefine;
}
function generateCubeUVSize( parameters ) {
const imageHeight = parameters.envMapCubeUVHeight;
if ( imageHeight === null ) return null;
const maxMip = Math.log2( imageHeight ) - 2;
const texelHeight = 1.0 / imageHeight;
const texelWidth = 1.0 / ( 3 * Math.max( Math.pow( 2, maxMip ), 7 * 16 ) );
return { texelWidth, texelHeight, maxMip };
}
function WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {
// TODO Send this event to Three.js DevTools // console.log( 'WebGLProgram', cacheKey );
const gl = renderer.getContext();
const defines = parameters.defines;
let vertexShader = parameters.vertexShader; let fragmentShader = parameters.fragmentShader;
const shadowMapTypeDefine = generateShadowMapTypeDefine( parameters ); const envMapTypeDefine = generateEnvMapTypeDefine( parameters ); const envMapModeDefine = generateEnvMapModeDefine( parameters ); const envMapBlendingDefine = generateEnvMapBlendingDefine( parameters ); const envMapCubeUVSize = generateCubeUVSize( parameters );
const customVertexExtensions = generateVertexExtensions( parameters );
const customDefines = generateDefines( defines );
const program = gl.createProgram();
let prefixVertex, prefixFragment; let versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\n' : '';
if ( parameters.isRawShaderMaterial ) {
prefixVertex = [
'#define SHADER_TYPE ' + parameters.shaderType, '#define SHADER_NAME ' + parameters.shaderName,
customDefines
].filter( filterEmptyLine ).join( '\n' );
if ( prefixVertex.length > 0 ) {
prefixVertex += '\n';
}
prefixFragment = [
'#define SHADER_TYPE ' + parameters.shaderType, '#define SHADER_NAME ' + parameters.shaderName,
customDefines
].filter( filterEmptyLine ).join( '\n' );
if ( prefixFragment.length > 0 ) {
prefixFragment += '\n';
}
} else {
prefixVertex = [
generatePrecision( parameters ),
'#define SHADER_TYPE ' + parameters.shaderType, '#define SHADER_NAME ' + parameters.shaderName,
customDefines,
parameters.extensionClipCullDistance ? '#define USE_CLIP_DISTANCE' : '', parameters.batching ? '#define USE_BATCHING' : '', parameters.batchingColor ? '#define USE_BATCHING_COLOR' : '', parameters.instancing ? '#define USE_INSTANCING' : '', parameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '', parameters.instancingMorph ? '#define USE_INSTANCING_MORPH' : '',
parameters.useFog && parameters.fog ? '#define USE_FOG' : '', parameters.useFog && parameters.fogExp2 ? '#define FOG_EXP2' : '',
parameters.map ? '#define USE_MAP' : '', parameters.envMap ? '#define USE_ENVMAP' : '', parameters.envMap ? '#define ' + envMapModeDefine : '', parameters.lightMap ? '#define USE_LIGHTMAP' : '', parameters.aoMap ? '#define USE_AOMAP' : '', parameters.bumpMap ? '#define USE_BUMPMAP' : '', parameters.normalMap ? '#define USE_NORMALMAP' : '', parameters.normalMapObjectSpace ? '#define USE_NORMALMAP_OBJECTSPACE' : '', parameters.normalMapTangentSpace ? '#define USE_NORMALMAP_TANGENTSPACE' : '', parameters.displacementMap ? '#define USE_DISPLACEMENTMAP' : '', parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',
parameters.anisotropy ? '#define USE_ANISOTROPY' : '', parameters.anisotropyMap ? '#define USE_ANISOTROPYMAP' : '',
parameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '', parameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '', parameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',
parameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '', parameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '',
parameters.specularMap ? '#define USE_SPECULARMAP' : '', parameters.specularColorMap ? '#define USE_SPECULAR_COLORMAP' : '', parameters.specularIntensityMap ? '#define USE_SPECULAR_INTENSITYMAP' : '',
parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', parameters.alphaMap ? '#define USE_ALPHAMAP' : '', parameters.alphaHash ? '#define USE_ALPHAHASH' : '',
parameters.transmission ? '#define USE_TRANSMISSION' : '', parameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '', parameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',
parameters.sheenColorMap ? '#define USE_SHEEN_COLORMAP' : '', parameters.sheenRoughnessMap ? '#define USE_SHEEN_ROUGHNESSMAP' : '',
//
parameters.mapUv ? '#define MAP_UV ' + parameters.mapUv : '', parameters.alphaMapUv ? '#define ALPHAMAP_UV ' + parameters.alphaMapUv : '', parameters.lightMapUv ? '#define LIGHTMAP_UV ' + parameters.lightMapUv : '', parameters.aoMapUv ? '#define AOMAP_UV ' + parameters.aoMapUv : '', parameters.emissiveMapUv ? '#define EMISSIVEMAP_UV ' + parameters.emissiveMapUv : '', parameters.bumpMapUv ? '#define BUMPMAP_UV ' + parameters.bumpMapUv : '', parameters.normalMapUv ? '#define NORMALMAP_UV ' + parameters.normalMapUv : '', parameters.displacementMapUv ? '#define DISPLACEMENTMAP_UV ' + parameters.displacementMapUv : '',
parameters.metalnessMapUv ? '#define METALNESSMAP_UV ' + parameters.metalnessMapUv : '', parameters.roughnessMapUv ? '#define ROUGHNESSMAP_UV ' + parameters.roughnessMapUv : '',
parameters.anisotropyMapUv ? '#define ANISOTROPYMAP_UV ' + parameters.anisotropyMapUv : '',
parameters.clearcoatMapUv ? '#define CLEARCOATMAP_UV ' + parameters.clearcoatMapUv : '', parameters.clearcoatNormalMapUv ? '#define CLEARCOAT_NORMALMAP_UV ' + parameters.clearcoatNormalMapUv : '', parameters.clearcoatRoughnessMapUv ? '#define CLEARCOAT_ROUGHNESSMAP_UV ' + parameters.clearcoatRoughnessMapUv : '',
parameters.iridescenceMapUv ? '#define IRIDESCENCEMAP_UV ' + parameters.iridescenceMapUv : '', parameters.iridescenceThicknessMapUv ? '#define IRIDESCENCE_THICKNESSMAP_UV ' + parameters.iridescenceThicknessMapUv : '',
parameters.sheenColorMapUv ? '#define SHEEN_COLORMAP_UV ' + parameters.sheenColorMapUv : '', parameters.sheenRoughnessMapUv ? '#define SHEEN_ROUGHNESSMAP_UV ' + parameters.sheenRoughnessMapUv : '',
parameters.specularMapUv ? '#define SPECULARMAP_UV ' + parameters.specularMapUv : '', parameters.specularColorMapUv ? '#define SPECULAR_COLORMAP_UV ' + parameters.specularColorMapUv : '', parameters.specularIntensityMapUv ? '#define SPECULAR_INTENSITYMAP_UV ' + parameters.specularIntensityMapUv : '',
parameters.transmissionMapUv ? '#define TRANSMISSIONMAP_UV ' + parameters.transmissionMapUv : '', parameters.thicknessMapUv ? '#define THICKNESSMAP_UV ' + parameters.thicknessMapUv : '',
//
parameters.vertexTangents && parameters.flatShading === false ? '#define USE_TANGENT' : '', parameters.vertexColors ? '#define USE_COLOR' : '', parameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '', parameters.vertexUv1s ? '#define USE_UV1' : '', parameters.vertexUv2s ? '#define USE_UV2' : '', parameters.vertexUv3s ? '#define USE_UV3' : '',
parameters.pointsUvs ? '#define USE_POINTS_UV' : '',
parameters.flatShading ? '#define FLAT_SHADED' : '',
parameters.skinning ? '#define USE_SKINNING' : '',
parameters.morphTargets ? '#define USE_MORPHTARGETS' : '', parameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '', ( parameters.morphColors ) ? '#define USE_MORPHCOLORS' : '', ( parameters.morphTargetsCount > 0 ) ? '#define MORPHTARGETS_TEXTURE_STRIDE ' + parameters.morphTextureStride : '', ( parameters.morphTargetsCount > 0 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '', parameters.doubleSided ? '#define DOUBLE_SIDED' : '', parameters.flipSided ? '#define FLIP_SIDED' : '',
parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',
parameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',
parameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '',
parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', parameters.reverseDepthBuffer ? '#define USE_REVERSEDEPTHBUF' : '',
'uniform mat4 modelMatrix;', 'uniform mat4 modelViewMatrix;', 'uniform mat4 projectionMatrix;', 'uniform mat4 viewMatrix;', 'uniform mat3 normalMatrix;', 'uniform vec3 cameraPosition;', 'uniform bool isOrthographic;',
'#ifdef USE_INSTANCING',
' attribute mat4 instanceMatrix;',
'#endif',
'#ifdef USE_INSTANCING_COLOR',
' attribute vec3 instanceColor;',
'#endif',
'#ifdef USE_INSTANCING_MORPH',
' uniform sampler2D morphTexture;',
'#endif',
'attribute vec3 position;', 'attribute vec3 normal;', 'attribute vec2 uv;',
'#ifdef USE_UV1',
' attribute vec2 uv1;',
'#endif',
'#ifdef USE_UV2',
' attribute vec2 uv2;',
'#endif',
'#ifdef USE_UV3',
' attribute vec2 uv3;',
'#endif',
'#ifdef USE_TANGENT',
' attribute vec4 tangent;',
'#endif',
'#if defined( USE_COLOR_ALPHA )',
' attribute vec4 color;',
'#elif defined( USE_COLOR )',
' attribute vec3 color;',
'#endif',
'#ifdef USE_SKINNING',
' attribute vec4 skinIndex;', ' attribute vec4 skinWeight;',
'#endif',
'\n'
].filter( filterEmptyLine ).join( '\n' );
prefixFragment = [
generatePrecision( parameters ),
'#define SHADER_TYPE ' + parameters.shaderType, '#define SHADER_NAME ' + parameters.shaderName,
customDefines,
parameters.useFog && parameters.fog ? '#define USE_FOG' : '', parameters.useFog && parameters.fogExp2 ? '#define FOG_EXP2' : '',
parameters.alphaToCoverage ? '#define ALPHA_TO_COVERAGE' : '', parameters.map ? '#define USE_MAP' : '', parameters.matcap ? '#define USE_MATCAP' : '', parameters.envMap ? '#define USE_ENVMAP' : '', parameters.envMap ? '#define ' + envMapTypeDefine : '', parameters.envMap ? '#define ' + envMapModeDefine : '', parameters.envMap ? '#define ' + envMapBlendingDefine : '', envMapCubeUVSize ? '#define CUBEUV_TEXEL_WIDTH ' + envMapCubeUVSize.texelWidth : '', envMapCubeUVSize ? '#define CUBEUV_TEXEL_HEIGHT ' + envMapCubeUVSize.texelHeight : '', envMapCubeUVSize ? '#define CUBEUV_MAX_MIP ' + envMapCubeUVSize.maxMip + '.0' : '', parameters.lightMap ? '#define USE_LIGHTMAP' : '', parameters.aoMap ? '#define USE_AOMAP' : '', parameters.bumpMap ? '#define USE_BUMPMAP' : '', parameters.normalMap ? '#define USE_NORMALMAP' : '', parameters.normalMapObjectSpace ? '#define USE_NORMALMAP_OBJECTSPACE' : '', parameters.normalMapTangentSpace ? '#define USE_NORMALMAP_TANGENTSPACE' : '', parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',
parameters.anisotropy ? '#define USE_ANISOTROPY' : '', parameters.anisotropyMap ? '#define USE_ANISOTROPYMAP' : '',
parameters.clearcoat ? '#define USE_CLEARCOAT' : '', parameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '', parameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '', parameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',
parameters.dispersion ? '#define USE_DISPERSION' : '',
parameters.iridescence ? '#define USE_IRIDESCENCE' : '', parameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '', parameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '',
parameters.specularMap ? '#define USE_SPECULARMAP' : '', parameters.specularColorMap ? '#define USE_SPECULAR_COLORMAP' : '', parameters.specularIntensityMap ? '#define USE_SPECULAR_INTENSITYMAP' : '',
parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', parameters.metalnessMap ? '#define USE_METALNESSMAP' : '',
parameters.alphaMap ? '#define USE_ALPHAMAP' : '', parameters.alphaTest ? '#define USE_ALPHATEST' : '', parameters.alphaHash ? '#define USE_ALPHAHASH' : '',
parameters.sheen ? '#define USE_SHEEN' : '', parameters.sheenColorMap ? '#define USE_SHEEN_COLORMAP' : '', parameters.sheenRoughnessMap ? '#define USE_SHEEN_ROUGHNESSMAP' : '',
parameters.transmission ? '#define USE_TRANSMISSION' : '', parameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '', parameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',
parameters.vertexTangents && parameters.flatShading === false ? '#define USE_TANGENT' : '', parameters.vertexColors || parameters.instancingColor || parameters.batchingColor ? '#define USE_COLOR' : '', parameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '', parameters.vertexUv1s ? '#define USE_UV1' : '', parameters.vertexUv2s ? '#define USE_UV2' : '', parameters.vertexUv3s ? '#define USE_UV3' : '',
parameters.pointsUvs ? '#define USE_POINTS_UV' : '',
parameters.gradientMap ? '#define USE_GRADIENTMAP' : '',
parameters.flatShading ? '#define FLAT_SHADED' : '',
parameters.doubleSided ? '#define DOUBLE_SIDED' : '', parameters.flipSided ? '#define FLIP_SIDED' : '',
parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',
parameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '',
parameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '',
parameters.decodeVideoTexture ? '#define DECODE_VIDEO_TEXTURE' : '', parameters.decodeVideoTextureEmissive ? '#define DECODE_VIDEO_TEXTURE_EMISSIVE' : '',
parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', parameters.reverseDepthBuffer ? '#define USE_REVERSEDEPTHBUF' : '',
'uniform mat4 viewMatrix;', 'uniform vec3 cameraPosition;', 'uniform bool isOrthographic;',
( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '', ( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below ( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '',
parameters.dithering ? '#define DITHERING' : '', parameters.opaque ? '#define OPAQUE' : '',
ShaderChunk[ 'colorspace_pars_fragment' ], // this code is required here because it is used by the various encoding/decoding function defined below getTexelEncodingFunction( 'linearToOutputTexel', parameters.outputColorSpace ), getLuminanceFunction(),
parameters.useDepthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '',
'\n'
].filter( filterEmptyLine ).join( '\n' );
}
vertexShader = resolveIncludes( vertexShader ); vertexShader = replaceLightNums( vertexShader, parameters ); vertexShader = replaceClippingPlaneNums( vertexShader, parameters );
fragmentShader = resolveIncludes( fragmentShader ); fragmentShader = replaceLightNums( fragmentShader, parameters ); fragmentShader = replaceClippingPlaneNums( fragmentShader, parameters );
vertexShader = unrollLoops( vertexShader ); fragmentShader = unrollLoops( fragmentShader );
if ( parameters.isRawShaderMaterial !== true ) {
// GLSL 3.0 conversion for built-in materials and ShaderMaterial
versionString = '#version 300 es\n';
prefixVertex = [ customVertexExtensions, '#define attribute in', '#define varying out', '#define texture2D texture' ].join( '\n' ) + '\n' + prefixVertex;
prefixFragment = [ '#define varying in', ( parameters.glslVersion === GLSL3 ) ? '' : 'layout(location = 0) out highp vec4 pc_fragColor;', ( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor', '#define gl_FragDepthEXT gl_FragDepth', '#define texture2D texture', '#define textureCube texture', '#define texture2DProj textureProj', '#define texture2DLodEXT textureLod', '#define texture2DProjLodEXT textureProjLod', '#define textureCubeLodEXT textureLod', '#define texture2DGradEXT textureGrad', '#define texture2DProjGradEXT textureProjGrad', '#define textureCubeGradEXT textureGrad' ].join( '\n' ) + '\n' + prefixFragment;
}
const vertexGlsl = versionString + prefixVertex + vertexShader; const fragmentGlsl = versionString + prefixFragment + fragmentShader;
// console.log( '*VERTEX*', vertexGlsl ); // console.log( '*FRAGMENT*', fragmentGlsl );
const glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl ); const glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );
gl.attachShader( program, glVertexShader ); gl.attachShader( program, glFragmentShader );
// Force a particular attribute to index 0.
if ( parameters.index0AttributeName !== undefined ) {
gl.bindAttribLocation( program, 0, parameters.index0AttributeName );
} else if ( parameters.morphTargets === true ) {
// programs with morphTargets displace position out of attribute 0 gl.bindAttribLocation( program, 0, 'position' );
}
gl.linkProgram( program );
function onFirstUse( self ) {
// check for link errors if ( renderer.debug.checkShaderErrors ) {
const programLog = gl.getProgramInfoLog( program ).trim(); const vertexLog = gl.getShaderInfoLog( glVertexShader ).trim(); const fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim();
let runnable = true; let haveDiagnostics = true;
if ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {
runnable = false;
if ( typeof renderer.debug.onShaderError === 'function' ) {
renderer.debug.onShaderError( gl, program, glVertexShader, glFragmentShader );
} else {
// default error reporting
const vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' ); const fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' );
console.error( 'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' + 'VALIDATE_STATUS ' + gl.getProgramParameter( program, gl.VALIDATE_STATUS ) + '\n\n' + 'Material Name: ' + self.name + '\n' + 'Material Type: ' + self.type + '\n\n' + 'Program Info Log: ' + programLog + '\n' + vertexErrors + '\n' + fragmentErrors );
}
} else if ( programLog !== '' ) {
console.warn( 'THREE.WebGLProgram: Program Info Log:', programLog );
} else if ( vertexLog === '' || fragmentLog === '' ) {
haveDiagnostics = false;
}
if ( haveDiagnostics ) {
self.diagnostics = {
runnable: runnable,
programLog: programLog,
vertexShader: {
log: vertexLog, prefix: prefixVertex
},
fragmentShader: {
log: fragmentLog, prefix: prefixFragment
}
};
}
}
// Clean up
// Crashes in iOS9 and iOS10. #18402 // gl.detachShader( program, glVertexShader ); // gl.detachShader( program, glFragmentShader );
gl.deleteShader( glVertexShader ); gl.deleteShader( glFragmentShader );
cachedUniforms = new WebGLUniforms( gl, program ); cachedAttributes = fetchAttributeLocations( gl, program );
}
// set up caching for uniform locations
let cachedUniforms;
this.getUniforms = function () {
if ( cachedUniforms === undefined ) {
// Populates cachedUniforms and cachedAttributes onFirstUse( this );
}
return cachedUniforms;
};
// set up caching for attribute locations
let cachedAttributes;
this.getAttributes = function () {
if ( cachedAttributes === undefined ) {
// Populates cachedAttributes and cachedUniforms onFirstUse( this );
}
return cachedAttributes;
};
// indicate when the program is ready to be used. if the KHR_parallel_shader_compile extension isn't supported, // flag the program as ready immediately. It may cause a stall when it's first used.
let programReady = ( parameters.rendererExtensionParallelShaderCompile === false );
this.isReady = function () {
if ( programReady === false ) {
programReady = gl.getProgramParameter( program, COMPLETION_STATUS_KHR );
}
return programReady;
};
// free resource
this.destroy = function () {
bindingStates.releaseStatesOfProgram( this );
gl.deleteProgram( program ); this.program = undefined;
};
//
this.type = parameters.shaderType; this.name = parameters.shaderName; this.id = programIdCount ++; this.cacheKey = cacheKey; this.usedTimes = 1; this.program = program; this.vertexShader = glVertexShader; this.fragmentShader = glFragmentShader;
return this;
}
export { WebGLProgram };