类 GL2TextureContext

_glParam

currentActiveRT

needBitmap

destroyed

• get destroyed(): boolean

• 返回 boolean

bindoutScreenTarget

• bindoutScreenTarget(): void

• 返回 void

createRenderTargetDepthTexture

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

• 参数

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

  返回 WebGLInternalTex

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

destroy

• destroy(): void

• destroy

  返回 void

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

glRenderTargetAttachment

• glRenderTargetAttachment(format): number

• 参数

  • format: RenderTargetFormat

  返回 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

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

setTextureDDSData

• setTextureDDSData(texture, ddsInfo): void

• 参数

  • texture: WebGLInternalTex
  • ddsInfo: DDSTextureInfo

  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

updateVideoTexture

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

• 参数

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

  返回 void