API
API|
@babylonjs/core|
EngineCapabilities

Interface EngineCapabilities

Interface used to describe the capabilities of the engine relatively to the current browser

interface EngineCapabilities {
    astc: any;
    blendFloat: boolean;
    blendMinMax: boolean;
    blendParametersPerTarget: boolean;
    bptc: any;
    canUseGLInstanceID: boolean;
    canUseGLVertexID: boolean;
    canUseTimestampForTimerQuery: boolean;
    colorBufferFloat: boolean;
    colorBufferHalfFloat?: boolean;
    depthTextureExtension: boolean;
    disableMorphTargetTexture: boolean;
    drawBuffersExtension: boolean;
    dualSourceBlending: boolean;
    etc1: any;
    etc2: any;
    fragmentDepthSupported: boolean;
    highPrecisionShaderSupported: boolean;
    instancedArrays: boolean;
    maxAnisotropy: number;
    maxCombinedTexturesImageUnits: number;
    maxCubemapTextureSize: number;
    maxDrawBuffers?: number;
    maxFragmentUniformVectors: number;
    maxMSAASamples: number;
    maxRenderTextureSize: number;
    maxSamples?: number;
    maxTexturesImageUnits: number;
    maxTextureSize: number;
    maxUniformBuffersPerShaderStage?: number;
    maxVaryingVectors: number;
    maxVertexAttribs: number;
    maxVertexTextureImageUnits: number;
    maxVertexUniformVectors: number;
    multiview?: any;
    oculusMultiview?: any;
    parallelShaderCompile?: { COMPLETION_STATUS_KHR: number };
    pvrtc: any;
    rg11b10ufColorRenderable: boolean;
    s3tc?: WEBGL_compressed_texture_s3tc;
    s3tc_srgb?: WEBGL_compressed_texture_s3tc_srgb;
    shaderFloatPrecision: number;
    standardDerivatives: boolean;
    supportComputeShaders: boolean;
    supportFloatTexturesResolve: boolean;
    supportOcclusionQuery: boolean;
    supportReadWriteStorageTextures: boolean;
    supportSRGBBuffers: boolean;
    supportTransformFeedbacks: boolean;
    texelFetch: boolean;
    texture2DArrayMaxLayerCount: number;
    textureAnisotropicFilterExtension?: EXT_texture_filter_anisotropic;
    textureFloat: boolean;
    textureFloatLinearFiltering: boolean;
    textureFloatRender: boolean;
    textureHalfFloat: boolean;
    textureHalfFloatLinearFiltering: boolean;
    textureHalfFloatRender: boolean;
    textureLOD: boolean;
    textureMaxLevel: boolean;
    textureNorm16: boolean;
    timerQuery?: any;
    uintIndices: boolean;
    vertexArrayObject: boolean;
}
Index
astc blendFloat blendMinMax blendParametersPerTarget bptc canUseGLInstanceID canUseGLVertexID canUseTimestampForTimerQuery colorBufferFloat colorBufferHalfFloat? depthTextureExtension disableMorphTargetTexture drawBuffersExtension dualSourceBlending etc1 etc2 fragmentDepthSupported highPrecisionShaderSupported instancedArrays maxAnisotropy maxCombinedTexturesImageUnits maxCubemapTextureSize maxDrawBuffers? maxFragmentUniformVectors maxMSAASamples maxRenderTextureSize maxSamples? maxTexturesImageUnits maxTextureSize maxUniformBuffersPerShaderStage? maxVaryingVectors maxVertexAttribs maxVertexTextureImageUnits maxVertexUniformVectors multiview? oculusMultiview? parallelShaderCompile? pvrtc rg11b10ufColorRenderable s3tc? s3tc_srgb? shaderFloatPrecision standardDerivatives supportComputeShaders supportFloatTexturesResolve supportOcclusionQuery supportReadWriteStorageTextures supportSRGBBuffers supportTransformFeedbacks texelFetch texture2DArrayMaxLayerCount textureAnisotropicFilterExtension? textureFloat textureFloatLinearFiltering textureFloatRender textureHalfFloat textureHalfFloatLinearFiltering textureHalfFloatRender textureLOD textureMaxLevel textureNorm16 timerQuery? uintIndices vertexArrayObject
astc: any

Defines if astc texture compression is supported

blendFloat: boolean

Defines if float color blending is supported

blendMinMax: boolean

Defines if the blend min max extension is supported

blendParametersPerTarget: boolean

Defines if blend parameters can be defined per target

bptc: any

Defines if bptc texture compression is supported

canUseGLInstanceID: boolean

In some iOS + WebGL1, gl_InstanceID (and gl_InstanceIDEXT) is undefined even if instancedArrays is true. So don't use gl_InstanceID in those cases

canUseGLVertexID: boolean

Defines if gl_vertexID is available

canUseTimestampForTimerQuery: boolean

Defines if timestamp can be used with timer query

colorBufferFloat: boolean

Defines if float color buffer are supported

colorBufferHalfFloat?: boolean

Defines if half float color buffer are supported

depthTextureExtension: boolean

Defines if depth textures are supported

disableMorphTargetTexture: boolean

Defines if the morph target texture is supported.

drawBuffersExtension: boolean

Defines if draw buffers extension is supported

dualSourceBlending: boolean

Defines if dual source blending is supported

etc1: any

Defines if etc1 texture compression is supported

etc2: any

Defines if etc2 texture compression is supported

fragmentDepthSupported: boolean

Defines if depth reading in the fragment shader is supported

highPrecisionShaderSupported: boolean

Defines if high precision shaders are supported

instancedArrays: boolean

Defines if instancing is supported

maxAnisotropy: number

Gets the maximum level of anisotropy supported

maxCombinedTexturesImageUnits: number

Maximum textures units in the entire pipeline

maxCubemapTextureSize: number

Maximum cube texture size

maxDrawBuffers?: number

Maximum draw buffers

maxFragmentUniformVectors: number

Maximum number of uniforms per fragment shader

maxMSAASamples: number

Max number of texture samples for MSAA

maxRenderTextureSize: number

Maximum render texture size

maxSamples?: number

Maximum texture samples

maxTexturesImageUnits: number

Maximum textures units per fragment shader

maxTextureSize: number

Maximum texture size

maxUniformBuffersPerShaderStage?: number

Maximum number of uniform buffers that can be bound to a single shader stage. Only reported by engines where this is a hard, enforced limit (WebGPU). Left undefined elsewhere.

maxVaryingVectors: number

Maximum number of varyings

maxVertexAttribs: number

Maximum number of vertex attributes

maxVertexTextureImageUnits: number

Maximum texture units per vertex shader

maxVertexUniformVectors: number

Maximum number of uniforms per vertex shader

multiview?: any

Defines if multiview is supported (https://www.khronos.org/registry/webgl/extensions/WEBGL_multiview/)

oculusMultiview?: any

Defines if oculus multiview is supported (https://developer.oculus.com/documentation/oculus-browser/latest/concepts/browser-multiview/)

parallelShaderCompile?: { COMPLETION_STATUS_KHR: number }

Function used to let the system compiles shaders in background

pvrtc: any

Defines if pvrtc texture compression is supported

rg11b10ufColorRenderable: boolean

Defines if RG11B10UFloat texture format is color renderable

s3tc?: WEBGL_compressed_texture_s3tc

Defines if s3tc texture compression is supported

s3tc_srgb?: WEBGL_compressed_texture_s3tc_srgb

Defines if s3tc sRGB texture compression is supported

shaderFloatPrecision: number

The number of bits that can be accurately represented in shader floats

standardDerivatives: boolean

Defines if standard derivatives (dx/dy) are supported

supportComputeShaders: boolean

Defines if compute shaders are supported by the engine

supportFloatTexturesResolve: boolean

Defines if float textures like r32f, rg32f or rgba32f support being used as a resolve target

supportOcclusionQuery: boolean

Defines if occlusion queries are supported by the engine

supportReadWriteStorageTextures: boolean

Defines if read-only and read-write storage textures are supported (WebGPU only, requires the readonly_and_readwrite_storage_textures WGSL language feature)

supportSRGBBuffers: boolean

Defines if sRGB texture formats are supported

supportTransformFeedbacks: boolean

Defines if transform feedbacks are supported

texelFetch: boolean

Defines if texelFetch shader command is supported

texture2DArrayMaxLayerCount: number

Defines the maximum layer count for a 2D Texture array.

textureAnisotropicFilterExtension?: EXT_texture_filter_anisotropic

Gets the webgl extension for anisotropic filtering (null if not supported)

textureFloat: boolean

Defines if float textures are supported

textureFloatLinearFiltering: boolean

Defines if float texture linear filtering is supported

textureFloatRender: boolean

Defines if rendering to float textures is supported

textureHalfFloat: boolean

Defines if half float textures are supported

textureHalfFloatLinearFiltering: boolean

Defines if half float texture linear filtering is supported

textureHalfFloatRender: boolean

Defines if rendering to half float textures is supported

textureLOD: boolean

Defines if textureLOD shader command is supported

textureMaxLevel: boolean

Defines if texture max level are supported

textureNorm16: boolean

Defines if EXT_texture_norm16 is available which enables the following texture formats: R16_EXT, RG16_EXT, RGB16_EXT, RGBA16_EXT, R16_SNORM_EXT, RG16_SNORM_EXT, RGB16_SNORM_EXT, RGBA16_SNORM_EXT

timerQuery?: any

Gets disjoint timer query extension (null if not supported)

uintIndices: boolean

Defines if 32 bits indices are supported

vertexArrayObject: boolean

Defines if vertex array objects are supported