类 GLTextureContext

constructor

• new GLTextureContext(engine: WebGLEngine): GLTextureContext

  参数

  • engine: WebGLEngine

  返回 GLTextureContext

_glParam

currentActiveRT

needBitmap

bindoutScreenTarget

• bindoutScreenTarget(): void

  返回 void

bindRenderTarget

• bindRenderTarget(renderTarget: WebGLInternalRT, faceIndex?: number): void

  参数

  • renderTarget: WebGLInternalRT
  • faceIndex: number = 0

  返回 void

createRenderbuffer

• createRenderbuffer(
      width: number,
      height: number,
      internalFormat: number,
      samples: number,
  ): WebGLRenderbuffer

  参数

  • width: number
  • height: number
  • internalFormat: number
  • samples: number

  返回 WebGLRenderbuffer

createRenderTargetCubeInternal

• createRenderTargetCubeInternal(
      size: number,
      colorFormat: RenderTargetFormat,
      depthStencilFormat: RenderTargetFormat,
      generateMipmap: boolean,
      sRGB: boolean,
      multiSamples: number,
  ): WebGLInternalRT

  参数

  • size: number
  • colorFormat: RenderTargetFormat
  • depthStencilFormat: RenderTargetFormat
  • generateMipmap: boolean
  • sRGB: boolean
  • multiSamples: number

  返回 WebGLInternalRT

createRenderTargetDepthTexture

• createRenderTargetDepthTexture(
      renderTarget: WebGLInternalRT,
      dimension: TextureDimension,
      width: number,
      height: number,
  ): WebGLInternalTex

  参数

  • renderTarget: WebGLInternalRT
  • dimension: TextureDimension
  • width: number
  • height: number

  返回 WebGLInternalTex

createRenderTargetInternal

• createRenderTargetInternal(
      width: number,
      height: number,
      colorFormat: RenderTargetFormat,
      depthStencilFormat: RenderTargetFormat,
      generateMipmap: boolean,
      sRGB: boolean,
      multiSamples: number,
  ): WebGLInternalRT

  参数

  • width: number
  • height: number
  • colorFormat: RenderTargetFormat
  • depthStencilFormat: RenderTargetFormat
  • generateMipmap: boolean
  • sRGB: boolean
  • multiSamples: number

  返回 WebGLInternalRT

createRenderTextureCubeInternal

• createRenderTextureCubeInternal(
      dimension: TextureDimension,
      size: number,
      format: RenderTargetFormat,
      generateMipmap: boolean,
      sRGB: boolean,
  ): WebGLInternalTex

  参数

  • dimension: TextureDimension
  • size: number
  • format: RenderTargetFormat
  • generateMipmap: boolean
  • sRGB: boolean

  返回 WebGLInternalTex

createTexture3DInternal

• createTexture3DInternal(
      dimension: TextureDimension,
      width: number,
      height: number,
      depth: number,
      format: TextureFormat,
      generateMipmap: boolean,
      sRGB: boolean,
      premultipliedAlpha: boolean,
  ): InternalTexture

  参数

  • dimension: TextureDimension
  • width: number
  • height: number
  • depth: number
  • format: TextureFormat
  • generateMipmap: boolean
  • sRGB: boolean
  • premultipliedAlpha: boolean

  返回 InternalTexture

createTextureInternal

• createTextureInternal(
      dimension: TextureDimension,
      width: number,
      height: number,
      format: TextureFormat,
      generateMipmap: boolean,
      sRGB: boolean,
      premultipliedAlpha: boolean,
  ): InternalTexture

  为 Texture 创建 InternalTexture

  参数

  • dimension: TextureDimension
  • width: number
  • height: number
  • format: TextureFormat
  • generateMipmap: boolean
  • sRGB: boolean
  • premultipliedAlpha: boolean

  返回 InternalTexture

getFormatPixelsParams

• getFormatPixelsParams(
      format: TextureFormat,
  ): {
      bytesPerPixel: number;
      channels: number;
      dataTypedCons: any;
      typedSize: number;
  }

  参数

  • format: TextureFormat

  返回 {
      bytesPerPixel: number;
      channels: number;
      dataTypedCons: any;
      typedSize: number;
  }

getGLRTTexMemory

• getGLRTTexMemory(
      width: number,
      height: number,
      colorFormat: RenderTargetFormat,
      depthStencilFormat: RenderTargetFormat,
      generateMipmap: boolean,
      multiSamples: number,
      cube: boolean,
  ): number

  参数

  • width: number
  • height: number
  • colorFormat: RenderTargetFormat
  • depthStencilFormat: RenderTargetFormat
  • generateMipmap: boolean
  • multiSamples: number
  • cube: boolean

  返回 number

getGLtexMemory

• getGLtexMemory(tex: WebGLInternalTex, depth?: number): number

  caculate texture memory

  参数

  • tex: WebGLInternalTex
  • depth: number = 1

  返回 number

glRenderBufferParam

• glRenderBufferParam(
      format: RenderTargetFormat,
      useSRGB: boolean,
  ): { attachment: number; internalFormat: number }

  参数

  • format: RenderTargetFormat
  • useSRGB: boolean

  返回 { attachment: number; internalFormat: number }

glRenderTargetAttachment

• glRenderTargetAttachment(
      format: RenderTargetFormat,
  ): 33306 | 36064 | 36096 | 36128

  参数

  • format: RenderTargetFormat

  返回 33306 | 36064 | 36096 | 36128

glRenderTextureParam

• glRenderTextureParam(
      format: RenderTargetFormat,
      useSRGB: boolean,
  ): { format: number; internalFormat: number; type: number }

  参数

  • format: RenderTargetFormat
  • useSRGB: boolean

  返回 { format: number; internalFormat: number; type: number }

glTextureParam

• glTextureParam(
      format: TextureFormat,
      useSRGB: boolean,
  ): { format: number; internalFormat: number; type: number }

  参数

  • format: TextureFormat
  • useSRGB: boolean

  返回 { format: number; internalFormat: number; type: number }

initVideoTextureData

• initVideoTextureData(texture: WebGLInternalTex): void

  参数

  • texture: WebGLInternalTex

  返回 void

isSRGBFormat

• isSRGBFormat(format: TextureFormat | RenderTargetFormat): boolean

  判断 纹理格式 本身是否是 SRGB格式

  参数

  • format: TextureFormat | RenderTargetFormat

  返回 boolean

readRenderTargetPixelData

• readRenderTargetPixelData(
      renderTarget: WebGLInternalRT,
      xOffset: number,
      yOffset: number,
      width: number,
      height: number,
      out: ArrayBufferView,
  ): ArrayBufferView

  参数

  • renderTarget: WebGLInternalRT
  • xOffset: number
  • yOffset: number
  • width: number
  • height: number
  • out: ArrayBufferView

  返回 ArrayBufferView

  已被弃用

  请使用readRenderTargetPixelDataAsync函数代替

readRenderTargetPixelDataAsync

• readRenderTargetPixelDataAsync(
      renderTarget: WebGLInternalRT,
      xOffset: number,
      yOffset: number,
      width: number,
      height: number,
      out: ArrayBufferView,
  ): Promise<ArrayBufferView>

  参数

  • renderTarget: WebGLInternalRT
  • xOffset: number
  • yOffset: number
  • width: number
  • height: number
  • out: ArrayBufferView

  返回 Promise<ArrayBufferView>

setCubeDDSData

• setCubeDDSData(texture: WebGLInternalTex, ddsInfo: DDSTextureInfo): void

  参数

  • texture: WebGLInternalTex
  • ddsInfo: DDSTextureInfo

  返回 void

setCubeImageData

• setCubeImageData(
      texture: WebGLInternalTex,
      sources: (HTMLImageElement | HTMLCanvasElement | ImageBitmap)[],
      premultiplyAlpha: boolean,
      invertY: boolean,
  ): void

  参数

  • texture: WebGLInternalTex
  • sources: (HTMLImageElement | HTMLCanvasElement | ImageBitmap)[]
  • premultiplyAlpha: boolean
  • invertY: boolean

  返回 void

setCubeKTXData

• setCubeKTXData(texture: WebGLInternalTex, ktxInfo: KTXTextureInfo): void

  参数

  • texture: WebGLInternalTex
  • ktxInfo: KTXTextureInfo

  返回 void

setCubePixelsData

• setCubePixelsData(
      texture: WebGLInternalTex,
      source: ArrayBufferView[],
      premultiplyAlpha: boolean,
      invertY: boolean,
  ): void

  参数

  • texture: WebGLInternalTex
  • source: ArrayBufferView[]
  • premultiplyAlpha: boolean
  • invertY: boolean

  返回 void

setCubeSubPixelData

• setCubeSubPixelData(
      texture: WebGLInternalTex,
      source: ArrayBufferView[],
      mipmapLevel: number,
      generateMipmap: boolean,
      xOffset: number,
      yOffset: number,
      width: number,
      height: number,
      premultiplyAlpha: boolean,
      invertY: boolean,
  ): void

  参数

  • texture: WebGLInternalTex
  • source: ArrayBufferView[]
  • mipmapLevel: number
  • generateMipmap: boolean
  • xOffset: number
  • yOffset: number
  • width: number
  • height: number
  • premultiplyAlpha: boolean
  • invertY: boolean

  返回 void

setTexture3DImageData

• setTexture3DImageData(
      texture: InternalTexture,
      source: HTMLImageElement[] | HTMLCanvasElement[] | ImageBitmap[],
      depth: number,
      premultiplyAlpha: boolean,
      invertY: boolean,
  ): void

  参数

  • texture: InternalTexture
  • source: HTMLImageElement[] | HTMLCanvasElement[] | ImageBitmap[]
  • depth: number
  • premultiplyAlpha: boolean
  • invertY: boolean

  返回 void

setTexture3DPixelsData

• setTexture3DPixelsData(
      texture: InternalTexture,
      source: ArrayBufferView,
      depth: number,
      premultiplyAlpha: boolean,
      invertY: boolean,
  ): void

  参数

  • texture: InternalTexture
  • source: ArrayBufferView
  • depth: number
  • premultiplyAlpha: boolean
  • invertY: boolean

  返回 void

setTexture3DSubPixelsData

• setTexture3DSubPixelsData(
      texture: InternalTexture,
      source: ArrayBufferView,
      mipmapLevel: number,
      generateMipmap: boolean,
      xOffset: number,
      yOffset: number,
      zOffset: number,
      width: number,
      height: number,
      depth: number,
      premultiplyAlpha: boolean,
      invertY: boolean,
  ): void

  参数

  • texture: InternalTexture
  • source: ArrayBufferView
  • mipmapLevel: number
  • generateMipmap: boolean
  • xOffset: number
  • yOffset: number
  • zOffset: number
  • width: number
  • height: number
  • depth: number
  • premultiplyAlpha: boolean
  • invertY: boolean

  返回 void

setTextureCompareMode

• setTextureCompareMode(
      texture: WebGLInternalTex,
      compareMode: TextureCompareMode,
  ): TextureCompareMode

  参数

  • texture: WebGLInternalTex
  • compareMode: TextureCompareMode

  返回 TextureCompareMode

setTextureDDSData

• setTextureDDSData(texture: WebGLInternalTex, ddsInfo: DDSTextureInfo): void

  参数

  • texture: WebGLInternalTex
  • ddsInfo: DDSTextureInfo

  返回 void

setTextureHDRData

• setTextureHDRData(texture: WebGLInternalTex, hdrInfo: HDRTextureInfo): void

  参数

  • texture: WebGLInternalTex
  • hdrInfo: HDRTextureInfo

  返回 void

setTextureImageData

• setTextureImageData(
      texture: WebGLInternalTex,
      source: HTMLImageElement | HTMLCanvasElement | ImageBitmap,
      premultiplyAlpha: boolean,
      invertY: boolean,
  ): void

  参数

  • texture: WebGLInternalTex
  • source: HTMLImageElement | HTMLCanvasElement | ImageBitmap
  • premultiplyAlpha: boolean
  • invertY: boolean

  返回 void

setTextureKTXData

• setTextureKTXData(texture: WebGLInternalTex, ktxInfo: KTXTextureInfo): void

  参数

  • texture: WebGLInternalTex
  • ktxInfo: KTXTextureInfo

  返回 void

setTexturePixelsData

• setTexturePixelsData(
      texture: WebGLInternalTex,
      source: ArrayBufferView,
      premultiplyAlpha: boolean,
      invertY: boolean,
  ): void

  参数

  • texture: WebGLInternalTex
  • source: ArrayBufferView
  • premultiplyAlpha: boolean
  • invertY: boolean

  返回 void

setTextureSubImageData

• setTextureSubImageData(
      texture: WebGLInternalTex,
      source: HTMLImageElement | HTMLCanvasElement | ImageBitmap,
      x: number,
      y: number,
      premultiplyAlpha: boolean,
      invertY: boolean,
  ): void

  参数

  • texture: WebGLInternalTex
  • source: HTMLImageElement | HTMLCanvasElement | ImageBitmap
  • x: number
  • y: number
  • premultiplyAlpha: boolean
  • invertY: boolean

  返回 void

setTextureSubPixelsData

• setTextureSubPixelsData(
      texture: WebGLInternalTex,
      source: ArrayBufferView,
      mipmapLevel: number,
      generateMipmap: boolean,
      xOffset: number,
      yOffset: number,
      width: number,
      height: number,
      premultiplyAlpha: boolean,
      invertY: boolean,
  ): void

  参数

  • texture: WebGLInternalTex
  • source: ArrayBufferView
  • mipmapLevel: number
  • generateMipmap: boolean
  • xOffset: number
  • yOffset: number
  • width: number
  • height: number
  • premultiplyAlpha: boolean
  • invertY: boolean

  返回 void

supportGenerateMipmap

• supportGenerateMipmap(format: TextureFormat | RenderTargetFormat): boolean

  参数

  • format: TextureFormat | RenderTargetFormat

  返回 boolean

supportSRGB

• supportSRGB(
      format: TextureFormat | RenderTargetFormat,
      mipmap: boolean,
  ): boolean

  根据 format 判断是否支持 SRGBload

  参数

  • format: TextureFormat | RenderTargetFormat
  • mipmap: boolean

  返回 boolean

unbindRenderTarget

• unbindRenderTarget(renderTarget: WebGLInternalRT): void

  参数

  • renderTarget: WebGLInternalRT

  返回 void

updateVideoTexture

• updateVideoTexture(
      texture: WebGLInternalTex,
      video: HTMLVideoElement,
      premultiplyAlpha: boolean,
      invertY: boolean,
  ): void

  参数

  • texture: WebGLInternalTex
  • video: HTMLVideoElement
  • premultiplyAlpha: boolean
  • invertY: boolean

  返回 void