Class: Texture

Texture

new Texture(params)

texture/Texture.js, line 44

纹理

Name Type Description
params object optional

初始化参数，所有params都会复制到实例上
Example
var loader = new Hilo3d.BasicLoader();
loader.load({
    src: '//img.alicdn.com/tfs/TB1aNxtQpXXXXX1XVXXXXXXXXXX-1024-1024.jpg',
    crossOrigin: true
}).then(img => {
    return new Hilo3d.Texture({
        image: img
    });
});

Members Show Inherited

Name Type Default Description
isTexture boolean true
className string Texture
isImageCanRelease boolean false

图片资源是否可以释放，可以的话，上传到GPU后将释放图片引用
image HTMLImageElement null

图片对象
mipmaps Array.<HTMLImageElement> | Array.<TypedArray> null

mipmaps
target GLenum gl.TEXTURE_2D

Texture Target
internalFormat GLenum gl.RGBA

Texture Internal Format
format GLenum gl.RGBA

图片 Format
type GLenum gl.UNSIGNED_BYTE

类型
width number 0
height number 0
border Number 0
magFilter GLenum gl.LINEAR

magFilter
minFilter GLenum gl.LINEAR

minFilter
wrapS GLenum gl.REPEAT

wrapS
wrapT GLenum gl.REPEAT

wrapT
name string
premultiplyAlpha boolean false
flipY boolean false

是否翻转Texture的Y轴
colorSpaceConversion boolean true

是否转换到图片默认的颜色空间
compressed Boolean false

是否压缩
needUpdate boolean true

是否需要更新Texture
needDestroy boolean false

是否需要销毁之前的Texture，Texture参数变更之后需要销毁
autoUpdate boolean false

是否每次都更新Texture
uv Number 0

uv
anisotropic Number 1

anisotropic
origWidth Number 0

获取原始图像宽度。
origHeight Number 0

获取原始图像高度。
useMipmap Boolean

是否使用 mipmap
useRepeat Boolean

是否使用 repeat
mipmapCount Number

mipmapCount

static,readonlyTexture.cacheObject

缓存

Methods Show Inherited

staticTexture.reset(gl)

texture/Texture.js, line 62

重置

Name Type Description
gl WebGLRenderingContext

isImgPowerOfTwo(img){Boolean}

texture/Texture.js, line 357

是否是 2 的 n 次方

Name Type Description
img HTMLImageElement
Returns:
Type Description
Boolean

getSupportSize(img, needPowerOfTwo){Object}

texture/Texture.js, line 366

获取支持的尺寸

Name Type Default Description
img HTMLImageElement
needPowerOfTwo Boolean false optional
Returns:
Type Description
Object { width, height }

resizeImgToPowerOfTwo(img){HTMLCanvasElement|HTMLImageElement}

texture/Texture.js, line 396

更新图片大小成为 2 的 n 次方

Name Type Description
img HTMLImageElement
Returns:
Type Description
HTMLCanvasElement | HTMLImageElement

resizeImg(img, width, height){HTMLCanvasElement|HTMLImageElement}

texture/Texture.js, line 407

更新图片大小

Name Type Description
img HTMLImageElement
width Number
height Number
Returns:
Type Description
HTMLCanvasElement | HTMLImageElement

_fixInternalFormat(state){number}

texture/Texture.js, line 464

修复 WebGL & WebGL2 internalFormat

Name Type Description
state WebGLState
Returns:
Type Description
number internalFormat

updateTexture(state, glTexture){Texture}

texture/Texture.js, line 509

更新 Texture

Name Type Description
state WebGLState
glTexture WebGLTexture
Returns:
Type Description
Texture this

updateSubTexture(xOffset, yOffset, image)

texture/Texture.js, line 592

跟新局部贴图

Name Type Description
xOffset Number
yOffset Number
image HTMLImageElement | HTMLCanvasElement | ImageData

getGLTexture(state){WebGLTexture}

texture/Texture.js, line 604

获取 GLTexture

Name Type Description
state WebGLState
Returns:
Type Description
WebGLTexture

setGLTexture(texture, needDestroy){Texture}

texture/Texture.js, line 636

设置 GLTexture

Name Type Default Description
texture WebGLTexture
needDestroy Boolean false optional

是否销毁之前的 GLTexture
Returns:
Type Description
Texture this

destroy(){Texture}

texture/Texture.js, line 648

销毁当前Texture

Returns:
Type Description
Texture this

clone(){Texture}

texture/Texture.js, line 661

clone

Returns:
Type Description
Texture