| 1 |
- {"ast":null,"code":"import { Logger } from \"../Misc/logger.js\";\nimport { Color3 } from \"../Maths/math.color.js\";\nimport { EngineStore } from \"../Engines/engineStore.js\";\nimport { LightConstants } from \"../Lights/lightConstants.js\";\nimport { prepareDefinesForClipPlanes } from \"./clipPlaneMaterialHelper.js\";\n// Temps\nconst _TempFogColor = Color3.Black();\nconst _TmpMorphInfluencers = {\n NUM_MORPH_INFLUENCERS: 0\n};\n/**\n * Binds the logarithmic depth information from the scene to the effect for the given defines.\n * @param defines The generated defines used in the effect\n * @param effect The effect we are binding the data to\n * @param scene The scene we are willing to render with logarithmic scale for\n */\nexport function BindLogDepth(defines, effect, scene) {\n if (!defines || defines[\"LOGARITHMICDEPTH\"] || defines.indexOf && defines.indexOf(\"LOGARITHMICDEPTH\") >= 0) {\n const camera = scene.activeCamera;\n if (camera.mode === 1) {\n Logger.Error(\"Logarithmic depth is not compatible with orthographic cameras!\", 20);\n }\n effect.setFloat(\"logarithmicDepthConstant\", 2.0 / (Math.log(camera.maxZ + 1.0) / Math.LN2));\n }\n}\n/**\n * Binds the fog information from the scene to the effect for the given mesh.\n * @param scene The scene the lights belongs to\n * @param mesh The mesh we are binding the information to render\n * @param effect The effect we are binding the data to\n * @param linearSpace Defines if the fog effect is applied in linear space\n */\nexport function BindFogParameters(scene, mesh, effect, linearSpace = false) {\n if (effect && scene.fogEnabled && (!mesh || mesh.applyFog) && scene.fogMode !== 0) {\n effect.setFloat4(\"vFogInfos\", scene.fogMode, scene.fogStart, scene.fogEnd, scene.fogDensity);\n // Convert fog color to linear space if used in a linear space computed shader.\n if (linearSpace) {\n scene.fogColor.toLinearSpaceToRef(_TempFogColor, scene.getEngine().useExactSrgbConversions);\n effect.setColor3(\"vFogColor\", _TempFogColor);\n } else {\n effect.setColor3(\"vFogColor\", scene.fogColor);\n }\n }\n}\n/**\n * Prepares the list of attributes required for morph targets according to the effect defines.\n * @param attribs The current list of supported attribs\n * @param mesh The mesh to prepare the morph targets attributes for\n * @param influencers The number of influencers\n */\nexport function PrepareAttributesForMorphTargetsInfluencers(attribs, mesh, influencers) {\n _TmpMorphInfluencers.NUM_MORPH_INFLUENCERS = influencers;\n PrepareAttributesForMorphTargets(attribs, mesh, _TmpMorphInfluencers);\n}\n/**\n * Prepares the list of attributes required for morph targets according to the effect defines.\n * @param attribs The current list of supported attribs\n * @param mesh The mesh to prepare the morph targets attributes for\n * @param defines The current Defines of the effect\n */\nexport function PrepareAttributesForMorphTargets(attribs, mesh, defines) {\n const influencers = defines[\"NUM_MORPH_INFLUENCERS\"];\n if (influencers > 0 && EngineStore.LastCreatedEngine) {\n const maxAttributesCount = EngineStore.LastCreatedEngine.getCaps().maxVertexAttribs;\n const manager = mesh.morphTargetManager;\n if (manager !== null && manager !== void 0 && manager.isUsingTextureForTargets) {\n return;\n }\n const normal = manager && manager.supportsNormals && defines[\"NORMAL\"];\n const tangent = manager && manager.supportsTangents && defines[\"TANGENT\"];\n const uv = manager && manager.supportsUVs && defines[\"UV1\"];\n for (let index = 0; index < influencers; index++) {\n attribs.push(`position` + index);\n if (normal) {\n attribs.push(`normal` + index);\n }\n if (tangent) {\n attribs.push(`tangent` + index);\n }\n if (uv) {\n attribs.push(`uv` + \"_\" + index);\n }\n if (attribs.length > maxAttributesCount) {\n Logger.Error(\"Cannot add more vertex attributes for mesh \" + mesh.name);\n }\n }\n }\n}\n/**\n * Add the list of attributes required for instances to the attribs array.\n * @param attribs The current list of supported attribs\n * @param needsPreviousMatrices If the shader needs previous matrices\n */\nexport function PushAttributesForInstances(attribs, needsPreviousMatrices = false) {\n attribs.push(\"world0\");\n attribs.push(\"world1\");\n attribs.push(\"world2\");\n attribs.push(\"world3\");\n if (needsPreviousMatrices) {\n attribs.push(\"previousWorld0\");\n attribs.push(\"previousWorld1\");\n attribs.push(\"previousWorld2\");\n attribs.push(\"previousWorld3\");\n }\n}\n/**\n * Binds the morph targets information from the mesh to the effect.\n * @param abstractMesh The mesh we are binding the information to render\n * @param effect The effect we are binding the data to\n */\nexport function BindMorphTargetParameters(abstractMesh, effect) {\n const manager = abstractMesh.morphTargetManager;\n if (!abstractMesh || !manager) {\n return;\n }\n effect.setFloatArray(\"morphTargetInfluences\", manager.influences);\n}\n/**\n * Binds the scene's uniform buffer to the effect.\n * @param effect defines the effect to bind to the scene uniform buffer\n * @param sceneUbo defines the uniform buffer storing scene data\n */\nexport function BindSceneUniformBuffer(effect, sceneUbo) {\n sceneUbo.bindToEffect(effect, \"Scene\");\n}\n/**\n * Helps preparing the defines values about the UVs in used in the effect.\n * UVs are shared as much as we can across channels in the shaders.\n * @param texture The texture we are preparing the UVs for\n * @param defines The defines to update\n * @param key The channel key \"diffuse\", \"specular\"... used in the shader\n */\nexport function PrepareDefinesForMergedUV(texture, defines, key) {\n defines._needUVs = true;\n defines[key] = true;\n if (texture.optimizeUVAllocation && texture.getTextureMatrix().isIdentityAs3x2()) {\n defines[key + \"DIRECTUV\"] = texture.coordinatesIndex + 1;\n defines[\"MAINUV\" + (texture.coordinatesIndex + 1)] = true;\n } else {\n defines[key + \"DIRECTUV\"] = 0;\n }\n}\n/**\n * Binds a texture matrix value to its corresponding uniform\n * @param texture The texture to bind the matrix for\n * @param uniformBuffer The uniform buffer receiving the data\n * @param key The channel key \"diffuse\", \"specular\"... used in the shader\n */\nexport function BindTextureMatrix(texture, uniformBuffer, key) {\n const matrix = texture.getTextureMatrix();\n uniformBuffer.updateMatrix(key + \"Matrix\", matrix);\n}\n/**\n * Prepares the list of attributes required for baked vertex animations according to the effect defines.\n * @param attribs The current list of supported attribs\n * @param mesh The mesh to prepare for baked vertex animations\n * @param defines The current Defines of the effect\n */\nexport function PrepareAttributesForBakedVertexAnimation(attribs, mesh, defines) {\n const enabled = defines[\"BAKED_VERTEX_ANIMATION_TEXTURE\"] && defines[\"INSTANCES\"];\n if (enabled) {\n attribs.push(\"bakedVertexAnimationSettingsInstanced\");\n }\n}\n// Copies the bones transformation matrices into the target array and returns the target's reference\nfunction _CopyBonesTransformationMatrices(source, target) {\n target.set(source);\n return target;\n}\n/**\n * Binds the bones information from the mesh to the effect.\n * @param mesh The mesh we are binding the information to render\n * @param effect The effect we are binding the data to\n * @param prePassConfiguration Configuration for the prepass, in case prepass is activated\n */\nexport function BindBonesParameters(mesh, effect, prePassConfiguration) {\n if (!effect || !mesh) {\n return;\n }\n if (mesh.computeBonesUsingShaders && effect._bonesComputationForcedToCPU) {\n mesh.computeBonesUsingShaders = false;\n }\n if (mesh.useBones && mesh.computeBonesUsingShaders && mesh.skeleton) {\n const skeleton = mesh.skeleton;\n if (skeleton.isUsingTextureForMatrices && effect.getUniformIndex(\"boneTextureWidth\") > -1) {\n const boneTexture = skeleton.getTransformMatrixTexture(mesh);\n effect.setTexture(\"boneSampler\", boneTexture);\n effect.setFloat(\"boneTextureWidth\", 4.0 * (skeleton.bones.length + 1));\n } else {\n const matrices = skeleton.getTransformMatrices(mesh);\n if (matrices) {\n effect.setMatrices(\"mBones\", matrices);\n if (prePassConfiguration && mesh.getScene().prePassRenderer && mesh.getScene().prePassRenderer.getIndex(2)) {\n if (!prePassConfiguration.previousBones[mesh.uniqueId]) {\n prePassConfiguration.previousBones[mesh.uniqueId] = matrices.slice();\n }\n effect.setMatrices(\"mPreviousBones\", prePassConfiguration.previousBones[mesh.uniqueId]);\n _CopyBonesTransformationMatrices(matrices, prePassConfiguration.previousBones[mesh.uniqueId]);\n }\n }\n }\n }\n}\n/**\n * Binds the light information to the effect.\n * @param light The light containing the generator\n * @param effect The effect we are binding the data to\n * @param lightIndex The light index in the effect used to render\n */\nexport function BindLightProperties(light, effect, lightIndex) {\n light.transferToEffect(effect, lightIndex + \"\");\n}\n/**\n * Binds the lights information from the scene to the effect for the given mesh.\n * @param light Light to bind\n * @param lightIndex Light index\n * @param scene The scene where the light belongs to\n * @param effect The effect we are binding the data to\n * @param useSpecular Defines if specular is supported\n * @param receiveShadows Defines if the effect (mesh) we bind the light for receives shadows\n */\nexport function BindLight(light, lightIndex, scene, effect, useSpecular, receiveShadows = true) {\n light._bindLight(lightIndex, scene, effect, useSpecular, receiveShadows);\n}\n/**\n * Binds the lights information from the scene to the effect for the given mesh.\n * @param scene The scene the lights belongs to\n * @param mesh The mesh we are binding the information to render\n * @param effect The effect we are binding the data to\n * @param defines The generated defines for the effect\n * @param maxSimultaneousLights The maximum number of light that can be bound to the effect\n */\nexport function BindLights(scene, mesh, effect, defines, maxSimultaneousLights = 4) {\n const len = Math.min(mesh.lightSources.length, maxSimultaneousLights);\n for (let i = 0; i < len; i++) {\n const light = mesh.lightSources[i];\n BindLight(light, i, scene, effect, typeof defines === \"boolean\" ? defines : defines[\"SPECULARTERM\"], mesh.receiveShadows);\n }\n}\n/**\n * Prepares the list of attributes required for bones according to the effect defines.\n * @param attribs The current list of supported attribs\n * @param mesh The mesh to prepare the bones attributes for\n * @param defines The current Defines of the effect\n * @param fallbacks The current effect fallback strategy\n */\nexport function PrepareAttributesForBones(attribs, mesh, defines, fallbacks) {\n if (defines[\"NUM_BONE_INFLUENCERS\"] > 0) {\n fallbacks.addCPUSkinningFallback(0, mesh);\n attribs.push(`matricesIndices`);\n attribs.push(`matricesWeights`);\n if (defines[\"NUM_BONE_INFLUENCERS\"] > 4) {\n attribs.push(`matricesIndicesExtra`);\n attribs.push(`matricesWeightsExtra`);\n }\n }\n}\n/**\n * Check and prepare the list of attributes required for instances according to the effect defines.\n * @param attribs The current list of supported attribs\n * @param defines The current MaterialDefines of the effect\n */\nexport function PrepareAttributesForInstances(attribs, defines) {\n if (defines[\"INSTANCES\"] || defines[\"THIN_INSTANCES\"]) {\n PushAttributesForInstances(attribs, !!defines[\"PREPASS_VELOCITY\"]);\n }\n if (defines.INSTANCESCOLOR) {\n attribs.push(`instanceColor`);\n }\n}\n/**\n * This helps decreasing rank by rank the shadow quality (0 being the highest rank and quality)\n * @param defines The defines to update while falling back\n * @param fallbacks The authorized effect fallbacks\n * @param maxSimultaneousLights The maximum number of lights allowed\n * @param rank the current rank of the Effect\n * @returns The newly affected rank\n */\nexport function HandleFallbacksForShadows(defines, fallbacks, maxSimultaneousLights = 4, rank = 0) {\n let lightFallbackRank = 0;\n for (let lightIndex = 0; lightIndex < maxSimultaneousLights; lightIndex++) {\n if (!defines[\"LIGHT\" + lightIndex]) {\n break;\n }\n if (lightIndex > 0) {\n lightFallbackRank = rank + lightIndex;\n fallbacks.addFallback(lightFallbackRank, \"LIGHT\" + lightIndex);\n }\n if (!defines[\"SHADOWS\"]) {\n if (defines[\"SHADOW\" + lightIndex]) {\n fallbacks.addFallback(rank, \"SHADOW\" + lightIndex);\n }\n if (defines[\"SHADOWPCF\" + lightIndex]) {\n fallbacks.addFallback(rank, \"SHADOWPCF\" + lightIndex);\n }\n if (defines[\"SHADOWPCSS\" + lightIndex]) {\n fallbacks.addFallback(rank, \"SHADOWPCSS\" + lightIndex);\n }\n if (defines[\"SHADOWPOISSON\" + lightIndex]) {\n fallbacks.addFallback(rank, \"SHADOWPOISSON\" + lightIndex);\n }\n if (defines[\"SHADOWESM\" + lightIndex]) {\n fallbacks.addFallback(rank, \"SHADOWESM\" + lightIndex);\n }\n if (defines[\"SHADOWCLOSEESM\" + lightIndex]) {\n fallbacks.addFallback(rank, \"SHADOWCLOSEESM\" + lightIndex);\n }\n }\n }\n return lightFallbackRank++;\n}\n/**\n * Gets the current status of the fog (should it be enabled?)\n * @param mesh defines the mesh to evaluate for fog support\n * @param scene defines the hosting scene\n * @returns true if fog must be enabled\n */\nexport function GetFogState(mesh, scene) {\n return scene.fogEnabled && mesh.applyFog && scene.fogMode !== 0;\n}\n/**\n * Helper used to prepare the list of defines associated with misc. values for shader compilation\n * @param mesh defines the current mesh\n * @param scene defines the current scene\n * @param useLogarithmicDepth defines if logarithmic depth has to be turned on\n * @param pointsCloud defines if point cloud rendering has to be turned on\n * @param fogEnabled defines if fog has to be turned on\n * @param alphaTest defines if alpha testing has to be turned on\n * @param defines defines the current list of defines\n * @param applyDecalAfterDetail Defines if the decal is applied after or before the detail\n */\nexport function PrepareDefinesForMisc(mesh, scene, useLogarithmicDepth, pointsCloud, fogEnabled, alphaTest, defines, applyDecalAfterDetail = false) {\n if (defines._areMiscDirty) {\n defines[\"LOGARITHMICDEPTH\"] = useLogarithmicDepth;\n defines[\"POINTSIZE\"] = pointsCloud;\n defines[\"FOG\"] = fogEnabled && GetFogState(mesh, scene);\n defines[\"NONUNIFORMSCALING\"] = mesh.nonUniformScaling;\n defines[\"ALPHATEST\"] = alphaTest;\n defines[\"DECAL_AFTER_DETAIL\"] = applyDecalAfterDetail;\n }\n}\n/**\n * Prepares the defines related to the light information passed in parameter\n * @param scene The scene we are intending to draw\n * @param mesh The mesh the effect is compiling for\n * @param defines The defines to update\n * @param specularSupported Specifies whether specular is supported or not (override lights data)\n * @param maxSimultaneousLights Specifies how manuy lights can be added to the effect at max\n * @param disableLighting Specifies whether the lighting is disabled (override scene and light)\n * @returns true if normals will be required for the rest of the effect\n */\nexport function PrepareDefinesForLights(scene, mesh, defines, specularSupported, maxSimultaneousLights = 4, disableLighting = false) {\n if (!defines._areLightsDirty) {\n return defines._needNormals;\n }\n let lightIndex = 0;\n const state = {\n needNormals: defines._needNormals,\n // prevents overriding previous reflection or other needs for normals\n needRebuild: false,\n lightmapMode: false,\n shadowEnabled: false,\n specularEnabled: false\n };\n if (scene.lightsEnabled && !disableLighting) {\n for (const light of mesh.lightSources) {\n PrepareDefinesForLight(scene, mesh, light, lightIndex, defines, specularSupported, state);\n lightIndex++;\n if (lightIndex === maxSimultaneousLights) {\n break;\n }\n }\n }\n defines[\"SPECULARTERM\"] = state.specularEnabled;\n defines[\"SHADOWS\"] = state.shadowEnabled;\n // Resetting all other lights if any\n for (let index = lightIndex; index < maxSimultaneousLights; index++) {\n if (defines[\"LIGHT\" + index] !== undefined) {\n defines[\"LIGHT\" + index] = false;\n defines[\"HEMILIGHT\" + index] = false;\n defines[\"POINTLIGHT\" + index] = false;\n defines[\"DIRLIGHT\" + index] = false;\n defines[\"SPOTLIGHT\" + index] = false;\n defines[\"SHADOW\" + index] = false;\n defines[\"SHADOWCSM\" + index] = false;\n defines[\"SHADOWCSMDEBUG\" + index] = false;\n defines[\"SHADOWCSMNUM_CASCADES\" + index] = false;\n defines[\"SHADOWCSMUSESHADOWMAXZ\" + index] = false;\n defines[\"SHADOWCSMNOBLEND\" + index] = false;\n defines[\"SHADOWCSM_RIGHTHANDED\" + index] = false;\n defines[\"SHADOWPCF\" + index] = false;\n defines[\"SHADOWPCSS\" + index] = false;\n defines[\"SHADOWPOISSON\" + index] = false;\n defines[\"SHADOWESM\" + index] = false;\n defines[\"SHADOWCLOSEESM\" + index] = false;\n defines[\"SHADOWCUBE\" + index] = false;\n defines[\"SHADOWLOWQUALITY\" + index] = false;\n defines[\"SHADOWMEDIUMQUALITY\" + index] = false;\n }\n }\n const caps = scene.getEngine().getCaps();\n if (defines[\"SHADOWFLOAT\"] === undefined) {\n state.needRebuild = true;\n }\n defines[\"SHADOWFLOAT\"] = state.shadowEnabled && (caps.textureFloatRender && caps.textureFloatLinearFiltering || caps.textureHalfFloatRender && caps.textureHalfFloatLinearFiltering);\n defines[\"LIGHTMAPEXCLUDED\"] = state.lightmapMode;\n if (state.needRebuild) {\n defines.rebuild();\n }\n return state.needNormals;\n}\n/**\n * Prepares the defines related to the light information passed in parameter\n * @param scene The scene we are intending to draw\n * @param mesh The mesh the effect is compiling for\n * @param light The light the effect is compiling for\n * @param lightIndex The index of the light\n * @param defines The defines to update\n * @param specularSupported Specifies whether specular is supported or not (override lights data)\n * @param state Defines the current state regarding what is needed (normals, etc...)\n * @param state.needNormals\n * @param state.needRebuild\n * @param state.shadowEnabled\n * @param state.specularEnabled\n * @param state.lightmapMode\n */\nexport function PrepareDefinesForLight(scene, mesh, light, lightIndex, defines, specularSupported, state) {\n state.needNormals = true;\n if (defines[\"LIGHT\" + lightIndex] === undefined) {\n state.needRebuild = true;\n }\n defines[\"LIGHT\" + lightIndex] = true;\n defines[\"SPOTLIGHT\" + lightIndex] = false;\n defines[\"HEMILIGHT\" + lightIndex] = false;\n defines[\"POINTLIGHT\" + lightIndex] = false;\n defines[\"DIRLIGHT\" + lightIndex] = false;\n light.prepareLightSpecificDefines(defines, lightIndex);\n // FallOff.\n defines[\"LIGHT_FALLOFF_PHYSICAL\" + lightIndex] = false;\n defines[\"LIGHT_FALLOFF_GLTF\" + lightIndex] = false;\n defines[\"LIGHT_FALLOFF_STANDARD\" + lightIndex] = false;\n switch (light.falloffType) {\n case LightConstants.FALLOFF_GLTF:\n defines[\"LIGHT_FALLOFF_GLTF\" + lightIndex] = true;\n break;\n case LightConstants.FALLOFF_PHYSICAL:\n defines[\"LIGHT_FALLOFF_PHYSICAL\" + lightIndex] = true;\n break;\n case LightConstants.FALLOFF_STANDARD:\n defines[\"LIGHT_FALLOFF_STANDARD\" + lightIndex] = true;\n break;\n }\n // Specular\n if (specularSupported && !light.specular.equalsFloats(0, 0, 0)) {\n state.specularEnabled = true;\n }\n // Shadows\n defines[\"SHADOW\" + lightIndex] = false;\n defines[\"SHADOWCSM\" + lightIndex] = false;\n defines[\"SHADOWCSMDEBUG\" + lightIndex] = false;\n defines[\"SHADOWCSMNUM_CASCADES\" + lightIndex] = false;\n defines[\"SHADOWCSMUSESHADOWMAXZ\" + lightIndex] = false;\n defines[\"SHADOWCSMNOBLEND\" + lightIndex] = false;\n defines[\"SHADOWCSM_RIGHTHANDED\" + lightIndex] = false;\n defines[\"SHADOWPCF\" + lightIndex] = false;\n defines[\"SHADOWPCSS\" + lightIndex] = false;\n defines[\"SHADOWPOISSON\" + lightIndex] = false;\n defines[\"SHADOWESM\" + lightIndex] = false;\n defines[\"SHADOWCLOSEESM\" + lightIndex] = false;\n defines[\"SHADOWCUBE\" + lightIndex] = false;\n defines[\"SHADOWLOWQUALITY\" + lightIndex] = false;\n defines[\"SHADOWMEDIUMQUALITY\" + lightIndex] = false;\n if (mesh && mesh.receiveShadows && scene.shadowsEnabled && light.shadowEnabled) {\n var _light$getShadowGener;\n const shadowGenerator = (_light$getShadowGener = light.getShadowGenerator(scene.activeCamera)) !== null && _light$getShadowGener !== void 0 ? _light$getShadowGener : light.getShadowGenerator();\n if (shadowGenerator) {\n const shadowMap = shadowGenerator.getShadowMap();\n if (shadowMap) {\n if (shadowMap.renderList && shadowMap.renderList.length > 0) {\n state.shadowEnabled = true;\n shadowGenerator.prepareDefines(defines, lightIndex);\n }\n }\n }\n }\n if (light.lightmapMode != LightConstants.LIGHTMAP_DEFAULT) {\n state.lightmapMode = true;\n defines[\"LIGHTMAPEXCLUDED\" + lightIndex] = true;\n defines[\"LIGHTMAPNOSPECULAR\" + lightIndex] = light.lightmapMode == LightConstants.LIGHTMAP_SHADOWSONLY;\n } else {\n defines[\"LIGHTMAPEXCLUDED\" + lightIndex] = false;\n defines[\"LIGHTMAPNOSPECULAR\" + lightIndex] = false;\n }\n}\n/**\n * Helper used to prepare the list of defines associated with frame values for shader compilation\n * @param scene defines the current scene\n * @param engine defines the current engine\n * @param material defines the material we are compiling the shader for\n * @param defines specifies the list of active defines\n * @param useInstances defines if instances have to be turned on\n * @param useClipPlane defines if clip plane have to be turned on\n * @param useThinInstances defines if thin instances have to be turned on\n */\nexport function PrepareDefinesForFrameBoundValues(scene, engine, material, defines, useInstances, useClipPlane = null, useThinInstances = false) {\n let changed = PrepareDefinesForCamera(scene, defines);\n if (useClipPlane !== false) {\n changed = prepareDefinesForClipPlanes(material, scene, defines);\n }\n if (defines[\"DEPTHPREPASS\"] !== !engine.getColorWrite()) {\n defines[\"DEPTHPREPASS\"] = !defines[\"DEPTHPREPASS\"];\n changed = true;\n }\n if (defines[\"INSTANCES\"] !== useInstances) {\n defines[\"INSTANCES\"] = useInstances;\n changed = true;\n }\n if (defines[\"THIN_INSTANCES\"] !== useThinInstances) {\n defines[\"THIN_INSTANCES\"] = useThinInstances;\n changed = true;\n }\n if (changed) {\n defines.markAsUnprocessed();\n }\n}\n/**\n * Prepares the defines for bones\n * @param mesh The mesh containing the geometry data we will draw\n * @param defines The defines to update\n */\nexport function PrepareDefinesForBones(mesh, defines) {\n if (mesh.useBones && mesh.computeBonesUsingShaders && mesh.skeleton) {\n defines[\"NUM_BONE_INFLUENCERS\"] = mesh.numBoneInfluencers;\n const materialSupportsBoneTexture = defines[\"BONETEXTURE\"] !== undefined;\n if (mesh.skeleton.isUsingTextureForMatrices && materialSupportsBoneTexture) {\n defines[\"BONETEXTURE\"] = true;\n } else {\n defines[\"BonesPerMesh\"] = mesh.skeleton.bones.length + 1;\n defines[\"BONETEXTURE\"] = materialSupportsBoneTexture ? false : undefined;\n const prePassRenderer = mesh.getScene().prePassRenderer;\n if (prePassRenderer && prePassRenderer.enabled) {\n const nonExcluded = prePassRenderer.excludedSkinnedMesh.indexOf(mesh) === -1;\n defines[\"BONES_VELOCITY_ENABLED\"] = nonExcluded;\n }\n }\n } else {\n defines[\"NUM_BONE_INFLUENCERS\"] = 0;\n defines[\"BonesPerMesh\"] = 0;\n if (defines[\"BONETEXTURE\"] !== undefined) {\n defines[\"BONETEXTURE\"] = false;\n }\n }\n}\n/**\n * Prepares the defines for morph targets\n * @param mesh The mesh containing the geometry data we will draw\n * @param defines The defines to update\n */\nexport function PrepareDefinesForMorphTargets(mesh, defines) {\n const manager = mesh.morphTargetManager;\n if (manager) {\n defines[\"MORPHTARGETS_UV\"] = manager.supportsUVs && defines[\"UV1\"];\n defines[\"MORPHTARGETS_TANGENT\"] = manager.supportsTangents && defines[\"TANGENT\"];\n defines[\"MORPHTARGETS_NORMAL\"] = manager.supportsNormals && defines[\"NORMAL\"];\n defines[\"NUM_MORPH_INFLUENCERS\"] = manager.numMaxInfluencers || manager.numInfluencers;\n defines[\"MORPHTARGETS\"] = defines[\"NUM_MORPH_INFLUENCERS\"] > 0;\n defines[\"MORPHTARGETS_TEXTURE\"] = manager.isUsingTextureForTargets;\n } else {\n defines[\"MORPHTARGETS_UV\"] = false;\n defines[\"MORPHTARGETS_TANGENT\"] = false;\n defines[\"MORPHTARGETS_NORMAL\"] = false;\n defines[\"MORPHTARGETS\"] = false;\n defines[\"NUM_MORPH_INFLUENCERS\"] = 0;\n }\n}\n/**\n * Prepares the defines for baked vertex animation\n * @param mesh The mesh containing the geometry data we will draw\n * @param defines The defines to update\n */\nexport function PrepareDefinesForBakedVertexAnimation(mesh, defines) {\n const manager = mesh.bakedVertexAnimationManager;\n defines[\"BAKED_VERTEX_ANIMATION_TEXTURE\"] = manager && manager.isEnabled ? true : false;\n}\n/**\n * Prepares the defines used in the shader depending on the attributes data available in the mesh\n * @param mesh The mesh containing the geometry data we will draw\n * @param defines The defines to update\n * @param useVertexColor Precise whether vertex colors should be used or not (override mesh info)\n * @param useBones Precise whether bones should be used or not (override mesh info)\n * @param useMorphTargets Precise whether morph targets should be used or not (override mesh info)\n * @param useVertexAlpha Precise whether vertex alpha should be used or not (override mesh info)\n * @param useBakedVertexAnimation Precise whether baked vertex animation should be used or not (override mesh info)\n * @returns false if defines are considered not dirty and have not been checked\n */\nexport function PrepareDefinesForAttributes(mesh, defines, useVertexColor, useBones, useMorphTargets = false, useVertexAlpha = true, useBakedVertexAnimation = true) {\n if (!defines._areAttributesDirty && defines._needNormals === defines._normals && defines._needUVs === defines._uvs) {\n return false;\n }\n defines._normals = defines._needNormals;\n defines._uvs = defines._needUVs;\n defines[\"NORMAL\"] = defines._needNormals && mesh.isVerticesDataPresent(`normal`);\n if (defines._needNormals && mesh.isVerticesDataPresent(`tangent`)) {\n defines[\"TANGENT\"] = true;\n }\n for (let i = 1; i <= 6; ++i) {\n defines[\"UV\" + i] = defines._needUVs ? mesh.isVerticesDataPresent(`uv${i === 1 ? \"\" : i}`) : false;\n }\n if (useVertexColor) {\n const hasVertexColors = mesh.useVertexColors && mesh.isVerticesDataPresent(`color`);\n defines[\"VERTEXCOLOR\"] = hasVertexColors;\n defines[\"VERTEXALPHA\"] = mesh.hasVertexAlpha && hasVertexColors && useVertexAlpha;\n }\n if (mesh.isVerticesDataPresent(`instanceColor`) && (mesh.hasInstances || mesh.hasThinInstances)) {\n defines[\"INSTANCESCOLOR\"] = true;\n }\n if (useBones) {\n PrepareDefinesForBones(mesh, defines);\n }\n if (useMorphTargets) {\n PrepareDefinesForMorphTargets(mesh, defines);\n }\n if (useBakedVertexAnimation) {\n PrepareDefinesForBakedVertexAnimation(mesh, defines);\n }\n return true;\n}\n/**\n * Prepares the defines related to multiview\n * @param scene The scene we are intending to draw\n * @param defines The defines to update\n */\nexport function PrepareDefinesForMultiview(scene, defines) {\n if (scene.activeCamera) {\n const previousMultiview = defines.MULTIVIEW;\n defines.MULTIVIEW = scene.activeCamera.outputRenderTarget !== null && scene.activeCamera.outputRenderTarget.getViewCount() > 1;\n if (defines.MULTIVIEW != previousMultiview) {\n defines.markAsUnprocessed();\n }\n }\n}\n/**\n * Prepares the defines related to order independant transparency\n * @param scene The scene we are intending to draw\n * @param defines The defines to update\n * @param needAlphaBlending Determines if the material needs alpha blending\n */\nexport function PrepareDefinesForOIT(scene, defines, needAlphaBlending) {\n const previousDefine = defines.ORDER_INDEPENDENT_TRANSPARENCY;\n const previousDefine16Bits = defines.ORDER_INDEPENDENT_TRANSPARENCY_16BITS;\n defines.ORDER_INDEPENDENT_TRANSPARENCY = scene.useOrderIndependentTransparency && needAlphaBlending;\n defines.ORDER_INDEPENDENT_TRANSPARENCY_16BITS = !scene.getEngine().getCaps().textureFloatLinearFiltering;\n if (previousDefine !== defines.ORDER_INDEPENDENT_TRANSPARENCY || previousDefine16Bits !== defines.ORDER_INDEPENDENT_TRANSPARENCY_16BITS) {\n defines.markAsUnprocessed();\n }\n}\n/**\n * Prepares the defines related to the prepass\n * @param scene The scene we are intending to draw\n * @param defines The defines to update\n * @param canRenderToMRT Indicates if this material renders to several textures in the prepass\n */\nexport function PrepareDefinesForPrePass(scene, defines, canRenderToMRT) {\n const previousPrePass = defines.PREPASS;\n if (!defines._arePrePassDirty) {\n return;\n }\n const texturesList = [{\n type: 1,\n define: \"PREPASS_POSITION\",\n index: \"PREPASS_POSITION_INDEX\"\n }, {\n type: 9,\n define: \"PREPASS_LOCAL_POSITION\",\n index: \"PREPASS_LOCAL_POSITION_INDEX\"\n }, {\n type: 2,\n define: \"PREPASS_VELOCITY\",\n index: \"PREPASS_VELOCITY_INDEX\"\n }, {\n type: 11,\n define: \"PREPASS_VELOCITY_LINEAR\",\n index: \"PREPASS_VELOCITY_LINEAR_INDEX\"\n }, {\n type: 3,\n define: \"PREPASS_REFLECTIVITY\",\n index: \"PREPASS_REFLECTIVITY_INDEX\"\n }, {\n type: 0,\n define: \"PREPASS_IRRADIANCE\",\n index: \"PREPASS_IRRADIANCE_INDEX\"\n }, {\n type: 7,\n define: \"PREPASS_ALBEDO_SQRT\",\n index: \"PREPASS_ALBEDO_SQRT_INDEX\"\n }, {\n type: 5,\n define: \"PREPASS_DEPTH\",\n index: \"PREPASS_DEPTH_INDEX\"\n }, {\n type: 10,\n define: \"PREPASS_SCREENSPACE_DEPTH\",\n index: \"PREPASS_SCREENSPACE_DEPTH_INDEX\"\n }, {\n type: 6,\n define: \"PREPASS_NORMAL\",\n index: \"PREPASS_NORMAL_INDEX\"\n }, {\n type: 8,\n define: \"PREPASS_WORLD_NORMAL\",\n index: \"PREPASS_WORLD_NORMAL_INDEX\"\n }];\n if (scene.prePassRenderer && scene.prePassRenderer.enabled && canRenderToMRT) {\n defines.PREPASS = true;\n defines.SCENE_MRT_COUNT = scene.prePassRenderer.mrtCount;\n defines.PREPASS_NORMAL_WORLDSPACE = scene.prePassRenderer.generateNormalsInWorldSpace;\n defines.PREPASS_COLOR = true;\n defines.PREPASS_COLOR_INDEX = 0;\n for (let i = 0; i < texturesList.length; i++) {\n const index = scene.prePassRenderer.getIndex(texturesList[i].type);\n if (index !== -1) {\n defines[texturesList[i].define] = true;\n defines[texturesList[i].index] = index;\n } else {\n defines[texturesList[i].define] = false;\n }\n }\n } else {\n defines.PREPASS = false;\n for (let i = 0; i < texturesList.length; i++) {\n defines[texturesList[i].define] = false;\n }\n }\n if (defines.PREPASS != previousPrePass) {\n defines.markAsUnprocessed();\n defines.markAsImageProcessingDirty();\n }\n}\n/**\n * Helper used to prepare the defines relative to the active camera\n * @param scene defines the current scene\n * @param defines specifies the list of active defines\n * @returns true if the defines have been updated, else false\n */\nexport function PrepareDefinesForCamera(scene, defines) {\n let changed = false;\n if (scene.activeCamera) {\n const wasOrtho = defines[\"CAMERA_ORTHOGRAPHIC\"] ? 1 : 0;\n const wasPersp = defines[\"CAMERA_PERSPECTIVE\"] ? 1 : 0;\n const isOrtho = scene.activeCamera.mode === 1 ? 1 : 0;\n const isPersp = scene.activeCamera.mode === 0 ? 1 : 0;\n if (wasOrtho ^ isOrtho || wasPersp ^ isPersp) {\n defines[\"CAMERA_ORTHOGRAPHIC\"] = isOrtho === 1;\n defines[\"CAMERA_PERSPECTIVE\"] = isPersp === 1;\n changed = true;\n }\n }\n return changed;\n}\n/**\n * Prepares the uniforms and samplers list to be used in the effect (for a specific light)\n * @param lightIndex defines the light index\n * @param uniformsList The uniform list\n * @param samplersList The sampler list\n * @param projectedLightTexture defines if projected texture must be used\n * @param uniformBuffersList defines an optional list of uniform buffers\n * @param updateOnlyBuffersList True to only update the uniformBuffersList array\n */\nexport function PrepareUniformsAndSamplersForLight(lightIndex, uniformsList, samplersList, projectedLightTexture, uniformBuffersList = null, updateOnlyBuffersList = false) {\n if (uniformBuffersList) {\n uniformBuffersList.push(\"Light\" + lightIndex);\n }\n if (updateOnlyBuffersList) {\n return;\n }\n uniformsList.push(\"vLightData\" + lightIndex, \"vLightDiffuse\" + lightIndex, \"vLightSpecular\" + lightIndex, \"vLightDirection\" + lightIndex, \"vLightFalloff\" + lightIndex, \"vLightGround\" + lightIndex, \"lightMatrix\" + lightIndex, \"shadowsInfo\" + lightIndex, \"depthValues\" + lightIndex);\n samplersList.push(\"shadowTexture\" + lightIndex);\n samplersList.push(\"depthTexture\" + lightIndex);\n uniformsList.push(\"viewFrustumZ\" + lightIndex, \"cascadeBlendFactor\" + lightIndex, \"lightSizeUVCorrection\" + lightIndex, \"depthCorrection\" + lightIndex, \"penumbraDarkness\" + lightIndex, \"frustumLengths\" + lightIndex);\n if (projectedLightTexture) {\n samplersList.push(\"projectionLightTexture\" + lightIndex);\n uniformsList.push(\"textureProjectionMatrix\" + lightIndex);\n }\n}\n/**\n * Prepares the uniforms and samplers list to be used in the effect\n * @param uniformsListOrOptions The uniform names to prepare or an EffectCreationOptions containing the list and extra information\n * @param samplersList The sampler list\n * @param defines The defines helping in the list generation\n * @param maxSimultaneousLights The maximum number of simultaneous light allowed in the effect\n */\nexport function PrepareUniformsAndSamplersList(uniformsListOrOptions, samplersList, defines, maxSimultaneousLights = 4) {\n let uniformsList;\n let uniformBuffersList = null;\n if (uniformsListOrOptions.uniformsNames) {\n const options = uniformsListOrOptions;\n uniformsList = options.uniformsNames;\n uniformBuffersList = options.uniformBuffersNames;\n samplersList = options.samplers;\n defines = options.defines;\n maxSimultaneousLights = options.maxSimultaneousLights || 0;\n } else {\n uniformsList = uniformsListOrOptions;\n if (!samplersList) {\n samplersList = [];\n }\n }\n for (let lightIndex = 0; lightIndex < maxSimultaneousLights; lightIndex++) {\n if (!defines[\"LIGHT\" + lightIndex]) {\n break;\n }\n PrepareUniformsAndSamplersForLight(lightIndex, uniformsList, samplersList, defines[\"PROJECTEDLIGHTTEXTURE\" + lightIndex], uniformBuffersList);\n }\n if (defines[\"NUM_MORPH_INFLUENCERS\"]) {\n uniformsList.push(\"morphTargetInfluences\");\n uniformsList.push(\"morphTargetCount\");\n }\n if (defines[\"BAKED_VERTEX_ANIMATION_TEXTURE\"]) {\n uniformsList.push(\"bakedVertexAnimationSettings\");\n uniformsList.push(\"bakedVertexAnimationTextureSizeInverted\");\n uniformsList.push(\"bakedVertexAnimationTime\");\n samplersList.push(\"bakedVertexAnimationTexture\");\n }\n}","map":{"version":3,"names":["Logger","Color3","EngineStore","LightConstants","prepareDefinesForClipPlanes","_TempFogColor","Black","_TmpMorphInfluencers","NUM_MORPH_INFLUENCERS","BindLogDepth","defines","effect","scene","indexOf","camera","activeCamera","mode","Error","setFloat","Math","log","maxZ","LN2","BindFogParameters","mesh","linearSpace","fogEnabled","applyFog","fogMode","setFloat4","fogStart","fogEnd","fogDensity","fogColor","toLinearSpaceToRef","getEngine","useExactSrgbConversions","setColor3","PrepareAttributesForMorphTargetsInfluencers","attribs","influencers","PrepareAttributesForMorphTargets","LastCreatedEngine","maxAttributesCount","getCaps","maxVertexAttribs","manager","morphTargetManager","isUsingTextureForTargets","normal","supportsNormals","tangent","supportsTangents","uv","supportsUVs","index","push","length","name","PushAttributesForInstances","needsPreviousMatrices","BindMorphTargetParameters","abstractMesh","setFloatArray","influences","BindSceneUniformBuffer","sceneUbo","bindToEffect","PrepareDefinesForMergedUV","texture","key","_needUVs","optimizeUVAllocation","getTextureMatrix","isIdentityAs3x2","coordinatesIndex","BindTextureMatrix","uniformBuffer","matrix","updateMatrix","PrepareAttributesForBakedVertexAnimation","enabled","_CopyBonesTransformationMatrices","source","target","set","BindBonesParameters","prePassConfiguration","computeBonesUsingShaders","_bonesComputationForcedToCPU","useBones","skeleton","isUsingTextureForMatrices","getUniformIndex","boneTexture","getTransformMatrixTexture","setTexture","bones","matrices","getTransformMatrices","setMatrices","getScene","prePassRenderer","getIndex","previousBones","uniqueId","slice","BindLightProperties","light","lightIndex","transferToEffect","BindLight","useSpecular","receiveShadows","_bindLight","BindLights","maxSimultaneousLights","len","min","lightSources","i","PrepareAttributesForBones","fallbacks","addCPUSkinningFallback","PrepareAttributesForInstances","INSTANCESCOLOR","HandleFallbacksForShadows","rank","lightFallbackRank","addFallback","GetFogState","PrepareDefinesForMisc","useLogarithmicDepth","pointsCloud","alphaTest","applyDecalAfterDetail","_areMiscDirty","nonUniformScaling","PrepareDefinesForLights","specularSupported","disableLighting","_areLightsDirty","_needNormals","state","needNormals","needRebuild","lightmapMode","shadowEnabled","specularEnabled","lightsEnabled","PrepareDefinesForLight","undefined","caps","textureFloatRender","textureFloatLinearFiltering","textureHalfFloatRender","textureHalfFloatLinearFiltering","rebuild","prepareLightSpecificDefines","falloffType","FALLOFF_GLTF","FALLOFF_PHYSICAL","FALLOFF_STANDARD","specular","equalsFloats","shadowsEnabled","_light$getShadowGener","shadowGenerator","getShadowGenerator","shadowMap","getShadowMap","renderList","prepareDefines","LIGHTMAP_DEFAULT","LIGHTMAP_SHADOWSONLY","PrepareDefinesForFrameBoundValues","engine","material","useInstances","useClipPlane","useThinInstances","changed","PrepareDefinesForCamera","getColorWrite","markAsUnprocessed","PrepareDefinesForBones","numBoneInfluencers","materialSupportsBoneTexture","nonExcluded","excludedSkinnedMesh","PrepareDefinesForMorphTargets","numMaxInfluencers","numInfluencers","PrepareDefinesForBakedVertexAnimation","bakedVertexAnimationManager","isEnabled","PrepareDefinesForAttributes","useVertexColor","useMorphTargets","useVertexAlpha","useBakedVertexAnimation","_areAttributesDirty","_normals","_uvs","isVerticesDataPresent","hasVertexColors","useVertexColors","hasVertexAlpha","hasInstances","hasThinInstances","PrepareDefinesForMultiview","previousMultiview","MULTIVIEW","outputRenderTarget","getViewCount","PrepareDefinesForOIT","needAlphaBlending","previousDefine","ORDER_INDEPENDENT_TRANSPARENCY","previousDefine16Bits","ORDER_INDEPENDENT_TRANSPARENCY_16BITS","useOrderIndependentTransparency","PrepareDefinesForPrePass","canRenderToMRT","previousPrePass","PREPASS","_arePrePassDirty","texturesList","type","define","SCENE_MRT_COUNT","mrtCount","PREPASS_NORMAL_WORLDSPACE","generateNormalsInWorldSpace","PREPASS_COLOR","PREPASS_COLOR_INDEX","markAsImageProcessingDirty","wasOrtho","wasPersp","isOrtho","isPersp","PrepareUniformsAndSamplersForLight","uniformsList","samplersList","projectedLightTexture","uniformBuffersList","updateOnlyBuffersList","PrepareUniformsAndSamplersList","uniformsListOrOptions","uniformsNames","options","uniformBuffersNames","samplers"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Materials/materialHelper.functions.js"],"sourcesContent":["import { Logger } from \"../Misc/logger.js\";\n\nimport { Color3 } from \"../Maths/math.color.js\";\nimport { EngineStore } from \"../Engines/engineStore.js\";\nimport { LightConstants } from \"../Lights/lightConstants.js\";\nimport { prepareDefinesForClipPlanes } from \"./clipPlaneMaterialHelper.js\";\n// Temps\nconst _TempFogColor = Color3.Black();\nconst _TmpMorphInfluencers = { NUM_MORPH_INFLUENCERS: 0 };\n/**\n * Binds the logarithmic depth information from the scene to the effect for the given defines.\n * @param defines The generated defines used in the effect\n * @param effect The effect we are binding the data to\n * @param scene The scene we are willing to render with logarithmic scale for\n */\nexport function BindLogDepth(defines, effect, scene) {\n if (!defines || defines[\"LOGARITHMICDEPTH\"] || (defines.indexOf && defines.indexOf(\"LOGARITHMICDEPTH\") >= 0)) {\n const camera = scene.activeCamera;\n if (camera.mode === 1) {\n Logger.Error(\"Logarithmic depth is not compatible with orthographic cameras!\", 20);\n }\n effect.setFloat(\"logarithmicDepthConstant\", 2.0 / (Math.log(camera.maxZ + 1.0) / Math.LN2));\n }\n}\n/**\n * Binds the fog information from the scene to the effect for the given mesh.\n * @param scene The scene the lights belongs to\n * @param mesh The mesh we are binding the information to render\n * @param effect The effect we are binding the data to\n * @param linearSpace Defines if the fog effect is applied in linear space\n */\nexport function BindFogParameters(scene, mesh, effect, linearSpace = false) {\n if (effect && scene.fogEnabled && (!mesh || mesh.applyFog) && scene.fogMode !== 0) {\n effect.setFloat4(\"vFogInfos\", scene.fogMode, scene.fogStart, scene.fogEnd, scene.fogDensity);\n // Convert fog color to linear space if used in a linear space computed shader.\n if (linearSpace) {\n scene.fogColor.toLinearSpaceToRef(_TempFogColor, scene.getEngine().useExactSrgbConversions);\n effect.setColor3(\"vFogColor\", _TempFogColor);\n }\n else {\n effect.setColor3(\"vFogColor\", scene.fogColor);\n }\n }\n}\n/**\n * Prepares the list of attributes required for morph targets according to the effect defines.\n * @param attribs The current list of supported attribs\n * @param mesh The mesh to prepare the morph targets attributes for\n * @param influencers The number of influencers\n */\nexport function PrepareAttributesForMorphTargetsInfluencers(attribs, mesh, influencers) {\n _TmpMorphInfluencers.NUM_MORPH_INFLUENCERS = influencers;\n PrepareAttributesForMorphTargets(attribs, mesh, _TmpMorphInfluencers);\n}\n/**\n * Prepares the list of attributes required for morph targets according to the effect defines.\n * @param attribs The current list of supported attribs\n * @param mesh The mesh to prepare the morph targets attributes for\n * @param defines The current Defines of the effect\n */\nexport function PrepareAttributesForMorphTargets(attribs, mesh, defines) {\n const influencers = defines[\"NUM_MORPH_INFLUENCERS\"];\n if (influencers > 0 && EngineStore.LastCreatedEngine) {\n const maxAttributesCount = EngineStore.LastCreatedEngine.getCaps().maxVertexAttribs;\n const manager = mesh.morphTargetManager;\n if (manager?.isUsingTextureForTargets) {\n return;\n }\n const normal = manager && manager.supportsNormals && defines[\"NORMAL\"];\n const tangent = manager && manager.supportsTangents && defines[\"TANGENT\"];\n const uv = manager && manager.supportsUVs && defines[\"UV1\"];\n for (let index = 0; index < influencers; index++) {\n attribs.push(`position` + index);\n if (normal) {\n attribs.push(`normal` + index);\n }\n if (tangent) {\n attribs.push(`tangent` + index);\n }\n if (uv) {\n attribs.push(`uv` + \"_\" + index);\n }\n if (attribs.length > maxAttributesCount) {\n Logger.Error(\"Cannot add more vertex attributes for mesh \" + mesh.name);\n }\n }\n }\n}\n/**\n * Add the list of attributes required for instances to the attribs array.\n * @param attribs The current list of supported attribs\n * @param needsPreviousMatrices If the shader needs previous matrices\n */\nexport function PushAttributesForInstances(attribs, needsPreviousMatrices = false) {\n attribs.push(\"world0\");\n attribs.push(\"world1\");\n attribs.push(\"world2\");\n attribs.push(\"world3\");\n if (needsPreviousMatrices) {\n attribs.push(\"previousWorld0\");\n attribs.push(\"previousWorld1\");\n attribs.push(\"previousWorld2\");\n attribs.push(\"previousWorld3\");\n }\n}\n/**\n * Binds the morph targets information from the mesh to the effect.\n * @param abstractMesh The mesh we are binding the information to render\n * @param effect The effect we are binding the data to\n */\nexport function BindMorphTargetParameters(abstractMesh, effect) {\n const manager = abstractMesh.morphTargetManager;\n if (!abstractMesh || !manager) {\n return;\n }\n effect.setFloatArray(\"morphTargetInfluences\", manager.influences);\n}\n/**\n * Binds the scene's uniform buffer to the effect.\n * @param effect defines the effect to bind to the scene uniform buffer\n * @param sceneUbo defines the uniform buffer storing scene data\n */\nexport function BindSceneUniformBuffer(effect, sceneUbo) {\n sceneUbo.bindToEffect(effect, \"Scene\");\n}\n/**\n * Helps preparing the defines values about the UVs in used in the effect.\n * UVs are shared as much as we can across channels in the shaders.\n * @param texture The texture we are preparing the UVs for\n * @param defines The defines to update\n * @param key The channel key \"diffuse\", \"specular\"... used in the shader\n */\nexport function PrepareDefinesForMergedUV(texture, defines, key) {\n defines._needUVs = true;\n defines[key] = true;\n if (texture.optimizeUVAllocation && texture.getTextureMatrix().isIdentityAs3x2()) {\n defines[key + \"DIRECTUV\"] = texture.coordinatesIndex + 1;\n defines[\"MAINUV\" + (texture.coordinatesIndex + 1)] = true;\n }\n else {\n defines[key + \"DIRECTUV\"] = 0;\n }\n}\n/**\n * Binds a texture matrix value to its corresponding uniform\n * @param texture The texture to bind the matrix for\n * @param uniformBuffer The uniform buffer receiving the data\n * @param key The channel key \"diffuse\", \"specular\"... used in the shader\n */\nexport function BindTextureMatrix(texture, uniformBuffer, key) {\n const matrix = texture.getTextureMatrix();\n uniformBuffer.updateMatrix(key + \"Matrix\", matrix);\n}\n/**\n * Prepares the list of attributes required for baked vertex animations according to the effect defines.\n * @param attribs The current list of supported attribs\n * @param mesh The mesh to prepare for baked vertex animations\n * @param defines The current Defines of the effect\n */\nexport function PrepareAttributesForBakedVertexAnimation(attribs, mesh, defines) {\n const enabled = defines[\"BAKED_VERTEX_ANIMATION_TEXTURE\"] && defines[\"INSTANCES\"];\n if (enabled) {\n attribs.push(\"bakedVertexAnimationSettingsInstanced\");\n }\n}\n// Copies the bones transformation matrices into the target array and returns the target's reference\nfunction _CopyBonesTransformationMatrices(source, target) {\n target.set(source);\n return target;\n}\n/**\n * Binds the bones information from the mesh to the effect.\n * @param mesh The mesh we are binding the information to render\n * @param effect The effect we are binding the data to\n * @param prePassConfiguration Configuration for the prepass, in case prepass is activated\n */\nexport function BindBonesParameters(mesh, effect, prePassConfiguration) {\n if (!effect || !mesh) {\n return;\n }\n if (mesh.computeBonesUsingShaders && effect._bonesComputationForcedToCPU) {\n mesh.computeBonesUsingShaders = false;\n }\n if (mesh.useBones && mesh.computeBonesUsingShaders && mesh.skeleton) {\n const skeleton = mesh.skeleton;\n if (skeleton.isUsingTextureForMatrices && effect.getUniformIndex(\"boneTextureWidth\") > -1) {\n const boneTexture = skeleton.getTransformMatrixTexture(mesh);\n effect.setTexture(\"boneSampler\", boneTexture);\n effect.setFloat(\"boneTextureWidth\", 4.0 * (skeleton.bones.length + 1));\n }\n else {\n const matrices = skeleton.getTransformMatrices(mesh);\n if (matrices) {\n effect.setMatrices(\"mBones\", matrices);\n if (prePassConfiguration && mesh.getScene().prePassRenderer && mesh.getScene().prePassRenderer.getIndex(2)) {\n if (!prePassConfiguration.previousBones[mesh.uniqueId]) {\n prePassConfiguration.previousBones[mesh.uniqueId] = matrices.slice();\n }\n effect.setMatrices(\"mPreviousBones\", prePassConfiguration.previousBones[mesh.uniqueId]);\n _CopyBonesTransformationMatrices(matrices, prePassConfiguration.previousBones[mesh.uniqueId]);\n }\n }\n }\n }\n}\n/**\n * Binds the light information to the effect.\n * @param light The light containing the generator\n * @param effect The effect we are binding the data to\n * @param lightIndex The light index in the effect used to render\n */\nexport function BindLightProperties(light, effect, lightIndex) {\n light.transferToEffect(effect, lightIndex + \"\");\n}\n/**\n * Binds the lights information from the scene to the effect for the given mesh.\n * @param light Light to bind\n * @param lightIndex Light index\n * @param scene The scene where the light belongs to\n * @param effect The effect we are binding the data to\n * @param useSpecular Defines if specular is supported\n * @param receiveShadows Defines if the effect (mesh) we bind the light for receives shadows\n */\nexport function BindLight(light, lightIndex, scene, effect, useSpecular, receiveShadows = true) {\n light._bindLight(lightIndex, scene, effect, useSpecular, receiveShadows);\n}\n/**\n * Binds the lights information from the scene to the effect for the given mesh.\n * @param scene The scene the lights belongs to\n * @param mesh The mesh we are binding the information to render\n * @param effect The effect we are binding the data to\n * @param defines The generated defines for the effect\n * @param maxSimultaneousLights The maximum number of light that can be bound to the effect\n */\nexport function BindLights(scene, mesh, effect, defines, maxSimultaneousLights = 4) {\n const len = Math.min(mesh.lightSources.length, maxSimultaneousLights);\n for (let i = 0; i < len; i++) {\n const light = mesh.lightSources[i];\n BindLight(light, i, scene, effect, typeof defines === \"boolean\" ? defines : defines[\"SPECULARTERM\"], mesh.receiveShadows);\n }\n}\n/**\n * Prepares the list of attributes required for bones according to the effect defines.\n * @param attribs The current list of supported attribs\n * @param mesh The mesh to prepare the bones attributes for\n * @param defines The current Defines of the effect\n * @param fallbacks The current effect fallback strategy\n */\nexport function PrepareAttributesForBones(attribs, mesh, defines, fallbacks) {\n if (defines[\"NUM_BONE_INFLUENCERS\"] > 0) {\n fallbacks.addCPUSkinningFallback(0, mesh);\n attribs.push(`matricesIndices`);\n attribs.push(`matricesWeights`);\n if (defines[\"NUM_BONE_INFLUENCERS\"] > 4) {\n attribs.push(`matricesIndicesExtra`);\n attribs.push(`matricesWeightsExtra`);\n }\n }\n}\n/**\n * Check and prepare the list of attributes required for instances according to the effect defines.\n * @param attribs The current list of supported attribs\n * @param defines The current MaterialDefines of the effect\n */\nexport function PrepareAttributesForInstances(attribs, defines) {\n if (defines[\"INSTANCES\"] || defines[\"THIN_INSTANCES\"]) {\n PushAttributesForInstances(attribs, !!defines[\"PREPASS_VELOCITY\"]);\n }\n if (defines.INSTANCESCOLOR) {\n attribs.push(`instanceColor`);\n }\n}\n/**\n * This helps decreasing rank by rank the shadow quality (0 being the highest rank and quality)\n * @param defines The defines to update while falling back\n * @param fallbacks The authorized effect fallbacks\n * @param maxSimultaneousLights The maximum number of lights allowed\n * @param rank the current rank of the Effect\n * @returns The newly affected rank\n */\nexport function HandleFallbacksForShadows(defines, fallbacks, maxSimultaneousLights = 4, rank = 0) {\n let lightFallbackRank = 0;\n for (let lightIndex = 0; lightIndex < maxSimultaneousLights; lightIndex++) {\n if (!defines[\"LIGHT\" + lightIndex]) {\n break;\n }\n if (lightIndex > 0) {\n lightFallbackRank = rank + lightIndex;\n fallbacks.addFallback(lightFallbackRank, \"LIGHT\" + lightIndex);\n }\n if (!defines[\"SHADOWS\"]) {\n if (defines[\"SHADOW\" + lightIndex]) {\n fallbacks.addFallback(rank, \"SHADOW\" + lightIndex);\n }\n if (defines[\"SHADOWPCF\" + lightIndex]) {\n fallbacks.addFallback(rank, \"SHADOWPCF\" + lightIndex);\n }\n if (defines[\"SHADOWPCSS\" + lightIndex]) {\n fallbacks.addFallback(rank, \"SHADOWPCSS\" + lightIndex);\n }\n if (defines[\"SHADOWPOISSON\" + lightIndex]) {\n fallbacks.addFallback(rank, \"SHADOWPOISSON\" + lightIndex);\n }\n if (defines[\"SHADOWESM\" + lightIndex]) {\n fallbacks.addFallback(rank, \"SHADOWESM\" + lightIndex);\n }\n if (defines[\"SHADOWCLOSEESM\" + lightIndex]) {\n fallbacks.addFallback(rank, \"SHADOWCLOSEESM\" + lightIndex);\n }\n }\n }\n return lightFallbackRank++;\n}\n/**\n * Gets the current status of the fog (should it be enabled?)\n * @param mesh defines the mesh to evaluate for fog support\n * @param scene defines the hosting scene\n * @returns true if fog must be enabled\n */\nexport function GetFogState(mesh, scene) {\n return scene.fogEnabled && mesh.applyFog && scene.fogMode !== 0;\n}\n/**\n * Helper used to prepare the list of defines associated with misc. values for shader compilation\n * @param mesh defines the current mesh\n * @param scene defines the current scene\n * @param useLogarithmicDepth defines if logarithmic depth has to be turned on\n * @param pointsCloud defines if point cloud rendering has to be turned on\n * @param fogEnabled defines if fog has to be turned on\n * @param alphaTest defines if alpha testing has to be turned on\n * @param defines defines the current list of defines\n * @param applyDecalAfterDetail Defines if the decal is applied after or before the detail\n */\nexport function PrepareDefinesForMisc(mesh, scene, useLogarithmicDepth, pointsCloud, fogEnabled, alphaTest, defines, applyDecalAfterDetail = false) {\n if (defines._areMiscDirty) {\n defines[\"LOGARITHMICDEPTH\"] = useLogarithmicDepth;\n defines[\"POINTSIZE\"] = pointsCloud;\n defines[\"FOG\"] = fogEnabled && GetFogState(mesh, scene);\n defines[\"NONUNIFORMSCALING\"] = mesh.nonUniformScaling;\n defines[\"ALPHATEST\"] = alphaTest;\n defines[\"DECAL_AFTER_DETAIL\"] = applyDecalAfterDetail;\n }\n}\n/**\n * Prepares the defines related to the light information passed in parameter\n * @param scene The scene we are intending to draw\n * @param mesh The mesh the effect is compiling for\n * @param defines The defines to update\n * @param specularSupported Specifies whether specular is supported or not (override lights data)\n * @param maxSimultaneousLights Specifies how manuy lights can be added to the effect at max\n * @param disableLighting Specifies whether the lighting is disabled (override scene and light)\n * @returns true if normals will be required for the rest of the effect\n */\nexport function PrepareDefinesForLights(scene, mesh, defines, specularSupported, maxSimultaneousLights = 4, disableLighting = false) {\n if (!defines._areLightsDirty) {\n return defines._needNormals;\n }\n let lightIndex = 0;\n const state = {\n needNormals: defines._needNormals, // prevents overriding previous reflection or other needs for normals\n needRebuild: false,\n lightmapMode: false,\n shadowEnabled: false,\n specularEnabled: false,\n };\n if (scene.lightsEnabled && !disableLighting) {\n for (const light of mesh.lightSources) {\n PrepareDefinesForLight(scene, mesh, light, lightIndex, defines, specularSupported, state);\n lightIndex++;\n if (lightIndex === maxSimultaneousLights) {\n break;\n }\n }\n }\n defines[\"SPECULARTERM\"] = state.specularEnabled;\n defines[\"SHADOWS\"] = state.shadowEnabled;\n // Resetting all other lights if any\n for (let index = lightIndex; index < maxSimultaneousLights; index++) {\n if (defines[\"LIGHT\" + index] !== undefined) {\n defines[\"LIGHT\" + index] = false;\n defines[\"HEMILIGHT\" + index] = false;\n defines[\"POINTLIGHT\" + index] = false;\n defines[\"DIRLIGHT\" + index] = false;\n defines[\"SPOTLIGHT\" + index] = false;\n defines[\"SHADOW\" + index] = false;\n defines[\"SHADOWCSM\" + index] = false;\n defines[\"SHADOWCSMDEBUG\" + index] = false;\n defines[\"SHADOWCSMNUM_CASCADES\" + index] = false;\n defines[\"SHADOWCSMUSESHADOWMAXZ\" + index] = false;\n defines[\"SHADOWCSMNOBLEND\" + index] = false;\n defines[\"SHADOWCSM_RIGHTHANDED\" + index] = false;\n defines[\"SHADOWPCF\" + index] = false;\n defines[\"SHADOWPCSS\" + index] = false;\n defines[\"SHADOWPOISSON\" + index] = false;\n defines[\"SHADOWESM\" + index] = false;\n defines[\"SHADOWCLOSEESM\" + index] = false;\n defines[\"SHADOWCUBE\" + index] = false;\n defines[\"SHADOWLOWQUALITY\" + index] = false;\n defines[\"SHADOWMEDIUMQUALITY\" + index] = false;\n }\n }\n const caps = scene.getEngine().getCaps();\n if (defines[\"SHADOWFLOAT\"] === undefined) {\n state.needRebuild = true;\n }\n defines[\"SHADOWFLOAT\"] =\n state.shadowEnabled && ((caps.textureFloatRender && caps.textureFloatLinearFiltering) || (caps.textureHalfFloatRender && caps.textureHalfFloatLinearFiltering));\n defines[\"LIGHTMAPEXCLUDED\"] = state.lightmapMode;\n if (state.needRebuild) {\n defines.rebuild();\n }\n return state.needNormals;\n}\n/**\n * Prepares the defines related to the light information passed in parameter\n * @param scene The scene we are intending to draw\n * @param mesh The mesh the effect is compiling for\n * @param light The light the effect is compiling for\n * @param lightIndex The index of the light\n * @param defines The defines to update\n * @param specularSupported Specifies whether specular is supported or not (override lights data)\n * @param state Defines the current state regarding what is needed (normals, etc...)\n * @param state.needNormals\n * @param state.needRebuild\n * @param state.shadowEnabled\n * @param state.specularEnabled\n * @param state.lightmapMode\n */\nexport function PrepareDefinesForLight(scene, mesh, light, lightIndex, defines, specularSupported, state) {\n state.needNormals = true;\n if (defines[\"LIGHT\" + lightIndex] === undefined) {\n state.needRebuild = true;\n }\n defines[\"LIGHT\" + lightIndex] = true;\n defines[\"SPOTLIGHT\" + lightIndex] = false;\n defines[\"HEMILIGHT\" + lightIndex] = false;\n defines[\"POINTLIGHT\" + lightIndex] = false;\n defines[\"DIRLIGHT\" + lightIndex] = false;\n light.prepareLightSpecificDefines(defines, lightIndex);\n // FallOff.\n defines[\"LIGHT_FALLOFF_PHYSICAL\" + lightIndex] = false;\n defines[\"LIGHT_FALLOFF_GLTF\" + lightIndex] = false;\n defines[\"LIGHT_FALLOFF_STANDARD\" + lightIndex] = false;\n switch (light.falloffType) {\n case LightConstants.FALLOFF_GLTF:\n defines[\"LIGHT_FALLOFF_GLTF\" + lightIndex] = true;\n break;\n case LightConstants.FALLOFF_PHYSICAL:\n defines[\"LIGHT_FALLOFF_PHYSICAL\" + lightIndex] = true;\n break;\n case LightConstants.FALLOFF_STANDARD:\n defines[\"LIGHT_FALLOFF_STANDARD\" + lightIndex] = true;\n break;\n }\n // Specular\n if (specularSupported && !light.specular.equalsFloats(0, 0, 0)) {\n state.specularEnabled = true;\n }\n // Shadows\n defines[\"SHADOW\" + lightIndex] = false;\n defines[\"SHADOWCSM\" + lightIndex] = false;\n defines[\"SHADOWCSMDEBUG\" + lightIndex] = false;\n defines[\"SHADOWCSMNUM_CASCADES\" + lightIndex] = false;\n defines[\"SHADOWCSMUSESHADOWMAXZ\" + lightIndex] = false;\n defines[\"SHADOWCSMNOBLEND\" + lightIndex] = false;\n defines[\"SHADOWCSM_RIGHTHANDED\" + lightIndex] = false;\n defines[\"SHADOWPCF\" + lightIndex] = false;\n defines[\"SHADOWPCSS\" + lightIndex] = false;\n defines[\"SHADOWPOISSON\" + lightIndex] = false;\n defines[\"SHADOWESM\" + lightIndex] = false;\n defines[\"SHADOWCLOSEESM\" + lightIndex] = false;\n defines[\"SHADOWCUBE\" + lightIndex] = false;\n defines[\"SHADOWLOWQUALITY\" + lightIndex] = false;\n defines[\"SHADOWMEDIUMQUALITY\" + lightIndex] = false;\n if (mesh && mesh.receiveShadows && scene.shadowsEnabled && light.shadowEnabled) {\n const shadowGenerator = light.getShadowGenerator(scene.activeCamera) ?? light.getShadowGenerator();\n if (shadowGenerator) {\n const shadowMap = shadowGenerator.getShadowMap();\n if (shadowMap) {\n if (shadowMap.renderList && shadowMap.renderList.length > 0) {\n state.shadowEnabled = true;\n shadowGenerator.prepareDefines(defines, lightIndex);\n }\n }\n }\n }\n if (light.lightmapMode != LightConstants.LIGHTMAP_DEFAULT) {\n state.lightmapMode = true;\n defines[\"LIGHTMAPEXCLUDED\" + lightIndex] = true;\n defines[\"LIGHTMAPNOSPECULAR\" + lightIndex] = light.lightmapMode == LightConstants.LIGHTMAP_SHADOWSONLY;\n }\n else {\n defines[\"LIGHTMAPEXCLUDED\" + lightIndex] = false;\n defines[\"LIGHTMAPNOSPECULAR\" + lightIndex] = false;\n }\n}\n/**\n * Helper used to prepare the list of defines associated with frame values for shader compilation\n * @param scene defines the current scene\n * @param engine defines the current engine\n * @param material defines the material we are compiling the shader for\n * @param defines specifies the list of active defines\n * @param useInstances defines if instances have to be turned on\n * @param useClipPlane defines if clip plane have to be turned on\n * @param useThinInstances defines if thin instances have to be turned on\n */\nexport function PrepareDefinesForFrameBoundValues(scene, engine, material, defines, useInstances, useClipPlane = null, useThinInstances = false) {\n let changed = PrepareDefinesForCamera(scene, defines);\n if (useClipPlane !== false) {\n changed = prepareDefinesForClipPlanes(material, scene, defines);\n }\n if (defines[\"DEPTHPREPASS\"] !== !engine.getColorWrite()) {\n defines[\"DEPTHPREPASS\"] = !defines[\"DEPTHPREPASS\"];\n changed = true;\n }\n if (defines[\"INSTANCES\"] !== useInstances) {\n defines[\"INSTANCES\"] = useInstances;\n changed = true;\n }\n if (defines[\"THIN_INSTANCES\"] !== useThinInstances) {\n defines[\"THIN_INSTANCES\"] = useThinInstances;\n changed = true;\n }\n if (changed) {\n defines.markAsUnprocessed();\n }\n}\n/**\n * Prepares the defines for bones\n * @param mesh The mesh containing the geometry data we will draw\n * @param defines The defines to update\n */\nexport function PrepareDefinesForBones(mesh, defines) {\n if (mesh.useBones && mesh.computeBonesUsingShaders && mesh.skeleton) {\n defines[\"NUM_BONE_INFLUENCERS\"] = mesh.numBoneInfluencers;\n const materialSupportsBoneTexture = defines[\"BONETEXTURE\"] !== undefined;\n if (mesh.skeleton.isUsingTextureForMatrices && materialSupportsBoneTexture) {\n defines[\"BONETEXTURE\"] = true;\n }\n else {\n defines[\"BonesPerMesh\"] = mesh.skeleton.bones.length + 1;\n defines[\"BONETEXTURE\"] = materialSupportsBoneTexture ? false : undefined;\n const prePassRenderer = mesh.getScene().prePassRenderer;\n if (prePassRenderer && prePassRenderer.enabled) {\n const nonExcluded = prePassRenderer.excludedSkinnedMesh.indexOf(mesh) === -1;\n defines[\"BONES_VELOCITY_ENABLED\"] = nonExcluded;\n }\n }\n }\n else {\n defines[\"NUM_BONE_INFLUENCERS\"] = 0;\n defines[\"BonesPerMesh\"] = 0;\n if (defines[\"BONETEXTURE\"] !== undefined) {\n defines[\"BONETEXTURE\"] = false;\n }\n }\n}\n/**\n * Prepares the defines for morph targets\n * @param mesh The mesh containing the geometry data we will draw\n * @param defines The defines to update\n */\nexport function PrepareDefinesForMorphTargets(mesh, defines) {\n const manager = mesh.morphTargetManager;\n if (manager) {\n defines[\"MORPHTARGETS_UV\"] = manager.supportsUVs && defines[\"UV1\"];\n defines[\"MORPHTARGETS_TANGENT\"] = manager.supportsTangents && defines[\"TANGENT\"];\n defines[\"MORPHTARGETS_NORMAL\"] = manager.supportsNormals && defines[\"NORMAL\"];\n defines[\"NUM_MORPH_INFLUENCERS\"] = manager.numMaxInfluencers || manager.numInfluencers;\n defines[\"MORPHTARGETS\"] = defines[\"NUM_MORPH_INFLUENCERS\"] > 0;\n defines[\"MORPHTARGETS_TEXTURE\"] = manager.isUsingTextureForTargets;\n }\n else {\n defines[\"MORPHTARGETS_UV\"] = false;\n defines[\"MORPHTARGETS_TANGENT\"] = false;\n defines[\"MORPHTARGETS_NORMAL\"] = false;\n defines[\"MORPHTARGETS\"] = false;\n defines[\"NUM_MORPH_INFLUENCERS\"] = 0;\n }\n}\n/**\n * Prepares the defines for baked vertex animation\n * @param mesh The mesh containing the geometry data we will draw\n * @param defines The defines to update\n */\nexport function PrepareDefinesForBakedVertexAnimation(mesh, defines) {\n const manager = mesh.bakedVertexAnimationManager;\n defines[\"BAKED_VERTEX_ANIMATION_TEXTURE\"] = manager && manager.isEnabled ? true : false;\n}\n/**\n * Prepares the defines used in the shader depending on the attributes data available in the mesh\n * @param mesh The mesh containing the geometry data we will draw\n * @param defines The defines to update\n * @param useVertexColor Precise whether vertex colors should be used or not (override mesh info)\n * @param useBones Precise whether bones should be used or not (override mesh info)\n * @param useMorphTargets Precise whether morph targets should be used or not (override mesh info)\n * @param useVertexAlpha Precise whether vertex alpha should be used or not (override mesh info)\n * @param useBakedVertexAnimation Precise whether baked vertex animation should be used or not (override mesh info)\n * @returns false if defines are considered not dirty and have not been checked\n */\nexport function PrepareDefinesForAttributes(mesh, defines, useVertexColor, useBones, useMorphTargets = false, useVertexAlpha = true, useBakedVertexAnimation = true) {\n if (!defines._areAttributesDirty && defines._needNormals === defines._normals && defines._needUVs === defines._uvs) {\n return false;\n }\n defines._normals = defines._needNormals;\n defines._uvs = defines._needUVs;\n defines[\"NORMAL\"] = defines._needNormals && mesh.isVerticesDataPresent(`normal`);\n if (defines._needNormals && mesh.isVerticesDataPresent(`tangent`)) {\n defines[\"TANGENT\"] = true;\n }\n for (let i = 1; i <= 6; ++i) {\n defines[\"UV\" + i] = defines._needUVs ? mesh.isVerticesDataPresent(`uv${i === 1 ? \"\" : i}`) : false;\n }\n if (useVertexColor) {\n const hasVertexColors = mesh.useVertexColors && mesh.isVerticesDataPresent(`color`);\n defines[\"VERTEXCOLOR\"] = hasVertexColors;\n defines[\"VERTEXALPHA\"] = mesh.hasVertexAlpha && hasVertexColors && useVertexAlpha;\n }\n if (mesh.isVerticesDataPresent(`instanceColor`) && (mesh.hasInstances || mesh.hasThinInstances)) {\n defines[\"INSTANCESCOLOR\"] = true;\n }\n if (useBones) {\n PrepareDefinesForBones(mesh, defines);\n }\n if (useMorphTargets) {\n PrepareDefinesForMorphTargets(mesh, defines);\n }\n if (useBakedVertexAnimation) {\n PrepareDefinesForBakedVertexAnimation(mesh, defines);\n }\n return true;\n}\n/**\n * Prepares the defines related to multiview\n * @param scene The scene we are intending to draw\n * @param defines The defines to update\n */\nexport function PrepareDefinesForMultiview(scene, defines) {\n if (scene.activeCamera) {\n const previousMultiview = defines.MULTIVIEW;\n defines.MULTIVIEW = scene.activeCamera.outputRenderTarget !== null && scene.activeCamera.outputRenderTarget.getViewCount() > 1;\n if (defines.MULTIVIEW != previousMultiview) {\n defines.markAsUnprocessed();\n }\n }\n}\n/**\n * Prepares the defines related to order independant transparency\n * @param scene The scene we are intending to draw\n * @param defines The defines to update\n * @param needAlphaBlending Determines if the material needs alpha blending\n */\nexport function PrepareDefinesForOIT(scene, defines, needAlphaBlending) {\n const previousDefine = defines.ORDER_INDEPENDENT_TRANSPARENCY;\n const previousDefine16Bits = defines.ORDER_INDEPENDENT_TRANSPARENCY_16BITS;\n defines.ORDER_INDEPENDENT_TRANSPARENCY = scene.useOrderIndependentTransparency && needAlphaBlending;\n defines.ORDER_INDEPENDENT_TRANSPARENCY_16BITS = !scene.getEngine().getCaps().textureFloatLinearFiltering;\n if (previousDefine !== defines.ORDER_INDEPENDENT_TRANSPARENCY || previousDefine16Bits !== defines.ORDER_INDEPENDENT_TRANSPARENCY_16BITS) {\n defines.markAsUnprocessed();\n }\n}\n/**\n * Prepares the defines related to the prepass\n * @param scene The scene we are intending to draw\n * @param defines The defines to update\n * @param canRenderToMRT Indicates if this material renders to several textures in the prepass\n */\nexport function PrepareDefinesForPrePass(scene, defines, canRenderToMRT) {\n const previousPrePass = defines.PREPASS;\n if (!defines._arePrePassDirty) {\n return;\n }\n const texturesList = [\n {\n type: 1,\n define: \"PREPASS_POSITION\",\n index: \"PREPASS_POSITION_INDEX\",\n },\n {\n type: 9,\n define: \"PREPASS_LOCAL_POSITION\",\n index: \"PREPASS_LOCAL_POSITION_INDEX\",\n },\n {\n type: 2,\n define: \"PREPASS_VELOCITY\",\n index: \"PREPASS_VELOCITY_INDEX\",\n },\n {\n type: 11,\n define: \"PREPASS_VELOCITY_LINEAR\",\n index: \"PREPASS_VELOCITY_LINEAR_INDEX\",\n },\n {\n type: 3,\n define: \"PREPASS_REFLECTIVITY\",\n index: \"PREPASS_REFLECTIVITY_INDEX\",\n },\n {\n type: 0,\n define: \"PREPASS_IRRADIANCE\",\n index: \"PREPASS_IRRADIANCE_INDEX\",\n },\n {\n type: 7,\n define: \"PREPASS_ALBEDO_SQRT\",\n index: \"PREPASS_ALBEDO_SQRT_INDEX\",\n },\n {\n type: 5,\n define: \"PREPASS_DEPTH\",\n index: \"PREPASS_DEPTH_INDEX\",\n },\n {\n type: 10,\n define: \"PREPASS_SCREENSPACE_DEPTH\",\n index: \"PREPASS_SCREENSPACE_DEPTH_INDEX\",\n },\n {\n type: 6,\n define: \"PREPASS_NORMAL\",\n index: \"PREPASS_NORMAL_INDEX\",\n },\n {\n type: 8,\n define: \"PREPASS_WORLD_NORMAL\",\n index: \"PREPASS_WORLD_NORMAL_INDEX\",\n },\n ];\n if (scene.prePassRenderer && scene.prePassRenderer.enabled && canRenderToMRT) {\n defines.PREPASS = true;\n defines.SCENE_MRT_COUNT = scene.prePassRenderer.mrtCount;\n defines.PREPASS_NORMAL_WORLDSPACE = scene.prePassRenderer.generateNormalsInWorldSpace;\n defines.PREPASS_COLOR = true;\n defines.PREPASS_COLOR_INDEX = 0;\n for (let i = 0; i < texturesList.length; i++) {\n const index = scene.prePassRenderer.getIndex(texturesList[i].type);\n if (index !== -1) {\n defines[texturesList[i].define] = true;\n defines[texturesList[i].index] = index;\n }\n else {\n defines[texturesList[i].define] = false;\n }\n }\n }\n else {\n defines.PREPASS = false;\n for (let i = 0; i < texturesList.length; i++) {\n defines[texturesList[i].define] = false;\n }\n }\n if (defines.PREPASS != previousPrePass) {\n defines.markAsUnprocessed();\n defines.markAsImageProcessingDirty();\n }\n}\n/**\n * Helper used to prepare the defines relative to the active camera\n * @param scene defines the current scene\n * @param defines specifies the list of active defines\n * @returns true if the defines have been updated, else false\n */\nexport function PrepareDefinesForCamera(scene, defines) {\n let changed = false;\n if (scene.activeCamera) {\n const wasOrtho = defines[\"CAMERA_ORTHOGRAPHIC\"] ? 1 : 0;\n const wasPersp = defines[\"CAMERA_PERSPECTIVE\"] ? 1 : 0;\n const isOrtho = scene.activeCamera.mode === 1 ? 1 : 0;\n const isPersp = scene.activeCamera.mode === 0 ? 1 : 0;\n if (wasOrtho ^ isOrtho || wasPersp ^ isPersp) {\n defines[\"CAMERA_ORTHOGRAPHIC\"] = isOrtho === 1;\n defines[\"CAMERA_PERSPECTIVE\"] = isPersp === 1;\n changed = true;\n }\n }\n return changed;\n}\n/**\n * Prepares the uniforms and samplers list to be used in the effect (for a specific light)\n * @param lightIndex defines the light index\n * @param uniformsList The uniform list\n * @param samplersList The sampler list\n * @param projectedLightTexture defines if projected texture must be used\n * @param uniformBuffersList defines an optional list of uniform buffers\n * @param updateOnlyBuffersList True to only update the uniformBuffersList array\n */\nexport function PrepareUniformsAndSamplersForLight(lightIndex, uniformsList, samplersList, projectedLightTexture, uniformBuffersList = null, updateOnlyBuffersList = false) {\n if (uniformBuffersList) {\n uniformBuffersList.push(\"Light\" + lightIndex);\n }\n if (updateOnlyBuffersList) {\n return;\n }\n uniformsList.push(\"vLightData\" + lightIndex, \"vLightDiffuse\" + lightIndex, \"vLightSpecular\" + lightIndex, \"vLightDirection\" + lightIndex, \"vLightFalloff\" + lightIndex, \"vLightGround\" + lightIndex, \"lightMatrix\" + lightIndex, \"shadowsInfo\" + lightIndex, \"depthValues\" + lightIndex);\n samplersList.push(\"shadowTexture\" + lightIndex);\n samplersList.push(\"depthTexture\" + lightIndex);\n uniformsList.push(\"viewFrustumZ\" + lightIndex, \"cascadeBlendFactor\" + lightIndex, \"lightSizeUVCorrection\" + lightIndex, \"depthCorrection\" + lightIndex, \"penumbraDarkness\" + lightIndex, \"frustumLengths\" + lightIndex);\n if (projectedLightTexture) {\n samplersList.push(\"projectionLightTexture\" + lightIndex);\n uniformsList.push(\"textureProjectionMatrix\" + lightIndex);\n }\n}\n/**\n * Prepares the uniforms and samplers list to be used in the effect\n * @param uniformsListOrOptions The uniform names to prepare or an EffectCreationOptions containing the list and extra information\n * @param samplersList The sampler list\n * @param defines The defines helping in the list generation\n * @param maxSimultaneousLights The maximum number of simultaneous light allowed in the effect\n */\nexport function PrepareUniformsAndSamplersList(uniformsListOrOptions, samplersList, defines, maxSimultaneousLights = 4) {\n let uniformsList;\n let uniformBuffersList = null;\n if (uniformsListOrOptions.uniformsNames) {\n const options = uniformsListOrOptions;\n uniformsList = options.uniformsNames;\n uniformBuffersList = options.uniformBuffersNames;\n samplersList = options.samplers;\n defines = options.defines;\n maxSimultaneousLights = options.maxSimultaneousLights || 0;\n }\n else {\n uniformsList = uniformsListOrOptions;\n if (!samplersList) {\n samplersList = [];\n }\n }\n for (let lightIndex = 0; lightIndex < maxSimultaneousLights; lightIndex++) {\n if (!defines[\"LIGHT\" + lightIndex]) {\n break;\n }\n PrepareUniformsAndSamplersForLight(lightIndex, uniformsList, samplersList, defines[\"PROJECTEDLIGHTTEXTURE\" + lightIndex], uniformBuffersList);\n }\n if (defines[\"NUM_MORPH_INFLUENCERS\"]) {\n uniformsList.push(\"morphTargetInfluences\");\n uniformsList.push(\"morphTargetCount\");\n }\n if (defines[\"BAKED_VERTEX_ANIMATION_TEXTURE\"]) {\n uniformsList.push(\"bakedVertexAnimationSettings\");\n uniformsList.push(\"bakedVertexAnimationTextureSizeInverted\");\n uniformsList.push(\"bakedVertexAnimationTime\");\n samplersList.push(\"bakedVertexAnimationTexture\");\n 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