类 GLTextureContext

constructor

• new GLTextureContext(engine): GLTextureContext

• 参数

  • engine: WebGLEngine

  返回 GLTextureContext

_glParam

currentActiveRT

needBitmap

bindoutScreenTarget

• bindoutScreenTarget(): void

• 返回 void

bindRenderTarget

• bindRenderTarget(renderTarget, faceIndex?): void

• 参数

  • renderTarget: WebGLInternalRT
  • faceIndex: number = 0

  返回 void

createRenderbuffer

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

• 参数

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

  返回 WebGLRenderbuffer

createRenderTargetCubeInternal

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

• 参数

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

  返回 WebGLInternalRT

createRenderTargetDepthTexture

• createRenderTargetDepthTexture(renderTarget, dimension, width, height): WebGLInternalTex

• 参数

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

  返回 WebGLInternalTex

createRenderTargetInternal

• createRenderTargetInternal(width, height, colorFormat, depthStencilFormat, generateMipmap, sRGB, multiSamples, storage): WebGLInternalRT

• 参数

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

  返回 WebGLInternalRT

createRenderTextureCubeInternal

• createRenderTextureCubeInternal(dimension, size, format, generateMipmap, sRGB): WebGLInternalTex

• 参数

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

  返回 WebGLInternalTex

createTexture3DInternal

• createTexture3DInternal(dimension, width, height, depth, format, generateMipmap, sRGB, premultipliedAlpha): 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, width, height, format, generateMipmap, sRGB, premultipliedAlpha): 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): {
      bytesPerPixel: number;
      channels: number;
      dataTypedCons: any;
      typedSize: number;
  }

• 参数

  • format: TextureFormat

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

  • bytesPerPixel: number

  • channels: number

  • dataTypedCons: any

  • typedSize: number

getGLRTTexMemory

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

• 参数

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

  返回 number

getGLtexMemory

• getGLtexMemory(tex, depth?): number

• caculate texture memory

  参数

  • tex: WebGLInternalTex
  • depth: number = 1

  返回 number

glRenderBufferParam

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

• 参数

  • format: RenderTargetFormat
  • useSRGB: boolean

  返回 {
      attachment: number;
      internalFormat: number;
  }

  • attachment: number

  • internalFormat: number

glRenderTargetAttachment

• glRenderTargetAttachment(format): number

• 参数

  • format: RenderTargetFormat

  返回 number

glRenderTextureParam

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

• 参数

  • format: RenderTargetFormat
  • useSRGB: boolean

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

  • format: number

  • internalFormat: number

  • type: number

glTextureParam

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

• 参数

  • format: TextureFormat
  • useSRGB: boolean

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

  • format: number

  • internalFormat: number

  • type: number

initVideoTextureData

• initVideoTextureData(texture): void

• 参数

  • texture: WebGLInternalTex

  返回 void

isSRGBFormat

• isSRGBFormat(format): 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, xOffset, yOffset, width, height, out): 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, xOffset, yOffset, width, height, out): Promise<ArrayBufferView>

• 参数

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

  返回 Promise<ArrayBufferView>

setCubeDDSData

• setCubeDDSData(texture, ddsInfo): void

• 参数

  • texture: WebGLInternalTex
  • ddsInfo: DDSTextureInfo

  返回 void

setCubeImageData

• setCubeImageData(texture, sources, premultiplyAlpha, invertY): void

• 参数

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

  返回 void

setCubeKTXData

• setCubeKTXData(texture, ktxInfo): void

• 参数

  • texture: WebGLInternalTex
  • ktxInfo: KTXTextureInfo

  返回 void

setCubePixelsData

• setCubePixelsData(texture, source, premultiplyAlpha, invertY): void

• 参数

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

  返回 void

setCubeSubPixelData

• setCubeSubPixelData(texture, source, mipmapLevel, generateMipmap, xOffset, yOffset, width, height, premultiplyAlpha, invertY): 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, source, depth, premultiplyAlpha, invertY): void

• 参数

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

  返回 void

setTexture3DPixelsData

• setTexture3DPixelsData(texture, source, depth, premultiplyAlpha, invertY): void

• 参数

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

  返回 void

setTexture3DSubPixelsData

• setTexture3DSubPixelsData(texture, source, mipmapLevel, generateMipmap, xOffset, yOffset, zOffset, width, height, depth, premultiplyAlpha, invertY): 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, compareMode): TextureCompareMode

• 参数

  • texture: WebGLInternalTex
  • compareMode: TextureCompareMode

  返回 TextureCompareMode

setTextureDDSData

• setTextureDDSData(texture, ddsInfo): void

• 参数

  • texture: WebGLInternalTex
  • ddsInfo: DDSTextureInfo

  返回 void

setTextureHDRData

• setTextureHDRData(texture, hdrInfo): void

• 参数

  • texture: WebGLInternalTex
  • hdrInfo: HDRTextureInfo

  返回 void

setTextureImageData

• setTextureImageData(texture, source, premultiplyAlpha, invertY): void

• 参数

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

  返回 void

setTextureKTXData

• setTextureKTXData(texture, ktxInfo): void

• 参数

  • texture: WebGLInternalTex
  • ktxInfo: KTXTextureInfo

  返回 void

setTexturePixelsData

• setTexturePixelsData(texture, source, premultiplyAlpha, invertY): void

• 参数

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

  返回 void

setTextureSubImageData

• setTextureSubImageData(texture, source, x, y, premultiplyAlpha, invertY): void

• 参数

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

  返回 void

setTextureSubPixelsData

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

• 参数

  • format: TextureFormat | RenderTargetFormat

  返回 boolean

supportSRGB

• supportSRGB(format, mipmap): boolean

• 根据 format 判断是否支持 SRGBload

  参数

  • format: TextureFormat | RenderTargetFormat
  • mipmap: boolean

  返回 boolean

unbindRenderTarget

• unbindRenderTarget(renderTarget): void

• 参数

  • renderTarget: WebGLInternalRT

  返回 void

updateVideoTexture

• updateVideoTexture(texture, video, premultiplyAlpha, invertY): void

• 参数

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

  返回 void