export const REVISION: string;

// https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent.button

export enum MOUSE {

}

export enum TOUCH {

}

// GL STATE CONSTANTS

export enum CullFace {}

export const CullFaceNone: CullFace;

export const CullFaceBack: CullFace;

export const CullFaceFront: CullFace;

export const CullFaceFrontBack: CullFace;

// Shadowing Type

export enum ShadowMapType {}

export const BasicShadowMap: ShadowMapType;

export const PCFShadowMap: ShadowMapType;

export const PCFSoftShadowMap: ShadowMapType;

export const VSMShadowMap: ShadowMapType;

// MATERIAL CONSTANTS

// side

export enum Side {}

export const FrontSide: Side;

export const BackSide: Side;

export const DoubleSide: Side;

// shading

export enum Shading {}

export const FlatShading: Shading;

export const SmoothShading: Shading;

// blending modes

export enum Blending {}

export const NoBlending: Blending;

export const NormalBlending: Blending;

export const AdditiveBlending: Blending;

export const SubtractiveBlending: Blending;

export const MultiplyBlending: Blending;

export const CustomBlending: Blending;

// custom blending equations

// (numbers start from 100 not to clash with other

// mappings to OpenGL constants defined in Texture.js)

export enum BlendingEquation {}

export const AddEquation: BlendingEquation;

export const SubtractEquation: BlendingEquation;

export const ReverseSubtractEquation: BlendingEquation;

export const MinEquation: BlendingEquation;

export const MaxEquation: BlendingEquation;

// custom blending destination factors

export enum BlendingDstFactor {}

export const ZeroFactor: BlendingDstFactor;

export const OneFactor: BlendingDstFactor;

export const SrcColorFactor: BlendingDstFactor;

export const OneMinusSrcColorFactor: BlendingDstFactor;

export const SrcAlphaFactor: BlendingDstFactor;

export const OneMinusSrcAlphaFactor: BlendingDstFactor;

export const DstAlphaFactor: BlendingDstFactor;

export const OneMinusDstAlphaFactor: BlendingDstFactor;

export const DstColorFactor: BlendingDstFactor;

export const OneMinusDstColorFactor: BlendingDstFactor;

// custom blending src factors

export enum BlendingSrcFactor {}

export const SrcAlphaSaturateFactor: BlendingSrcFactor;

// depth modes

export enum DepthModes {}

export const NeverDepth: DepthModes;

export const AlwaysDepth: DepthModes;

export const LessDepth: DepthModes;

export const LessEqualDepth: DepthModes;

export const EqualDepth: DepthModes;

export const GreaterEqualDepth: DepthModes;

export const GreaterDepth: DepthModes;

export const NotEqualDepth: DepthModes;

// TEXTURE CONSTANTS

// Operations

export enum Combine {}

export const MultiplyOperation: Combine;

export const MixOperation: Combine;

export const AddOperation: Combine;

// Tone Mapping modes

export enum ToneMapping {}

export const NoToneMapping: ToneMapping;

export const LinearToneMapping: ToneMapping;

export const ReinhardToneMapping: ToneMapping;

export const CineonToneMapping: ToneMapping;

export const ACESFilmicToneMapping: ToneMapping;

// Mapping modes

export enum Mapping {}

export const UVMapping: Mapping;

export const CubeReflectionMapping: Mapping;

export const CubeRefractionMapping: Mapping;

export const EquirectangularReflectionMapping: Mapping;

export const EquirectangularRefractionMapping: Mapping;

export const CubeUVReflectionMapping: Mapping;

export const CubeUVRefractionMapping: Mapping;

// Wrapping modes

export enum Wrapping {}

export const RepeatWrapping: Wrapping;

export const ClampToEdgeWrapping: Wrapping;

export const MirroredRepeatWrapping: Wrapping;

// Filters

export enum TextureFilter {}

export const NearestFilter: TextureFilter;

export const NearestMipmapNearestFilter: TextureFilter;

export const NearestMipMapNearestFilter: TextureFilter;

export const NearestMipmapLinearFilter: TextureFilter;

export const NearestMipMapLinearFilter: TextureFilter;

export const LinearFilter: TextureFilter;

export const LinearMipmapNearestFilter: TextureFilter;

export const LinearMipMapNearestFilter: TextureFilter;

export const LinearMipmapLinearFilter: TextureFilter;

export const LinearMipMapLinearFilter: TextureFilter;

// Data types

export enum TextureDataType {}

export const UnsignedByteType: TextureDataType;

export const ByteType: TextureDataType;

export const ShortType: TextureDataType;

export const UnsignedShortType: TextureDataType;

export const IntType: TextureDataType;

export const UnsignedIntType: TextureDataType;

export const FloatType: TextureDataType;

export const HalfFloatType: TextureDataType;

export const UnsignedShort4444Type: TextureDataType;

export const UnsignedShort5551Type: TextureDataType;

export const UnsignedShort565Type: TextureDataType;

export const UnsignedInt248Type: TextureDataType;

// Pixel formats

export enum PixelFormat {}

export const AlphaFormat: PixelFormat;

export const RGBFormat: PixelFormat;

export const RGBAFormat: PixelFormat;

export const LuminanceFormat: PixelFormat;

export const LuminanceAlphaFormat: PixelFormat;

export const RGBEFormat: PixelFormat;

export const DepthFormat: PixelFormat;

export const DepthStencilFormat: PixelFormat;

export const RedFormat: PixelFormat;

export const RedIntegerFormat: PixelFormat;

export const RGFormat: PixelFormat;

export const RGIntegerFormat: PixelFormat;

export const RGBIntegerFormat: PixelFormat;

export const RGBAIntegerFormat: PixelFormat;

// Internal Pixel Formats

export type PixelFormatGPU =

| 'DEPTH32F_STENCIL8';

// Compressed texture formats

// DDS / ST3C Compressed texture formats

export enum CompressedPixelFormat {}

export const RGB_S3TC_DXT1_Format: CompressedPixelFormat;

export const RGBA_S3TC_DXT1_Format: CompressedPixelFormat;

export const RGBA_S3TC_DXT3_Format: CompressedPixelFormat;

export const RGBA_S3TC_DXT5_Format: CompressedPixelFormat;

// PVRTC compressed './texture formats

export const RGB_PVRTC_4BPPV1_Format: CompressedPixelFormat;

export const RGB_PVRTC_2BPPV1_Format: CompressedPixelFormat;

export const RGBA_PVRTC_4BPPV1_Format: CompressedPixelFormat;

export const RGBA_PVRTC_2BPPV1_Format: CompressedPixelFormat;

// ETC compressed texture formats

export const RGB_ETC1_Format: CompressedPixelFormat;

export const RGB_ETC2_Format: CompressedPixelFormat;

export const RGBA_ETC2_EAC_Format: CompressedPixelFormat;

// ASTC compressed texture formats

export const RGBA_ASTC_4x4_Format: CompressedPixelFormat;

export const RGBA_ASTC_5x4_Format: CompressedPixelFormat;

export const RGBA_ASTC_5x5_Format: CompressedPixelFormat;

export const RGBA_ASTC_6x5_Format: CompressedPixelFormat;

export const RGBA_ASTC_6x6_Format: CompressedPixelFormat;

export const RGBA_ASTC_8x5_Format: CompressedPixelFormat;

export const RGBA_ASTC_8x6_Format: CompressedPixelFormat;

export const RGBA_ASTC_8x8_Format: CompressedPixelFormat;

export const RGBA_ASTC_10x5_Format: CompressedPixelFormat;

export const RGBA_ASTC_10x6_Format: CompressedPixelFormat;

export const RGBA_ASTC_10x8_Format: CompressedPixelFormat;

export const RGBA_ASTC_10x10_Format: CompressedPixelFormat;

export const RGBA_ASTC_12x10_Format: CompressedPixelFormat;

export const RGBA_ASTC_12x12_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_4x4_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_5x4_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_5x5_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_6x5_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_6x6_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_8x5_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_8x6_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_8x8_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_10x5_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_10x6_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_10x8_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_10x10_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_12x10_Format: CompressedPixelFormat;

export const SRGB8_ALPHA8_ASTC_12x12_Format: CompressedPixelFormat;

// BPTC compressed texture formats

export const RGBA_BPTC_Format: CompressedPixelFormat;

// Loop styles for AnimationAction

export enum AnimationActionLoopStyles {}

export const LoopOnce: AnimationActionLoopStyles;

export const LoopRepeat: AnimationActionLoopStyles;

export const LoopPingPong: AnimationActionLoopStyles;

// Interpolation

export enum InterpolationModes {}

export const InterpolateDiscrete: InterpolationModes;

export const InterpolateLinear: InterpolationModes;

export const InterpolateSmooth: InterpolationModes;

// Interpolant ending modes

export enum InterpolationEndingModes {}

export const ZeroCurvatureEnding: InterpolationEndingModes;

export const ZeroSlopeEnding: InterpolationEndingModes;

export const WrapAroundEnding: InterpolationEndingModes;

// Animation blending modes

export enum AnimationBlendMode { }

export const NormalAnimationBlendMode: AnimationBlendMode;

export const AdditiveAnimationBlendMode: AnimationBlendMode;

// Triangle Draw modes

export enum TrianglesDrawModes {}

export const TrianglesDrawMode: TrianglesDrawModes;

export const TriangleStripDrawMode: TrianglesDrawModes;

export const TriangleFanDrawMode: TrianglesDrawModes;

// Texture Encodings

export enum TextureEncoding {}

export const LinearEncoding: TextureEncoding;

export const sRGBEncoding: TextureEncoding;

export const GammaEncoding: TextureEncoding;

export const RGBEEncoding: TextureEncoding;

export const LogLuvEncoding: TextureEncoding;

export const RGBM7Encoding: TextureEncoding;

export const RGBM16Encoding: TextureEncoding;

export const RGBDEncoding: TextureEncoding;

// Depth packing strategies

export enum DepthPackingStrategies {}

export const BasicDepthPacking: DepthPackingStrategies;

export const RGBADepthPacking: DepthPackingStrategies;

// Normal Map types

export enum NormalMapTypes {}

export const TangentSpaceNormalMap: NormalMapTypes;

export const ObjectSpaceNormalMap: NormalMapTypes;

// Stencil Op types

export enum StencilOp {}

export const ZeroStencilOp: StencilOp;

export const KeepStencilOp: StencilOp;

export const ReplaceStencilOp: StencilOp;

export const IncrementStencilOp: StencilOp;

export const DecrementStencilOp: StencilOp;

export const IncrementWrapStencilOp: StencilOp;

export const DecrementWrapStencilOp: StencilOp;

export const InvertStencilOp: StencilOp;

// Stencil Func types

export enum StencilFunc {}

export const NeverStencilFunc: StencilFunc;

export const LessStencilFunc: StencilFunc;

export const EqualStencilFunc: StencilFunc;

export const LessEqualStencilFunc: StencilFunc;

export const GreaterStencilFunc: StencilFunc;

export const NotEqualStencilFunc: StencilFunc;

export const GreaterEqualStencilFunc: StencilFunc;

export const AlwaysStencilFunc: StencilFunc;

// usage types

export enum Usage {}

export const StaticDrawUsage: Usage;

export const DynamicDrawUsage: Usage;

export const StreamDrawUsage: Usage;

export const StaticReadUsage: Usage;

export const DynamicReadUsage: Usage;

export const StreamReadUsage: Usage;

export const StaticCopyUsage: Usage;

export const DynamicCopyUsage: Usage;

export const StreamCopyUsage: Usage;

export enum GLSLVersion {}

export const GLSL1: GLSLVersion;

export const GLSL3: GLSLVersion;