Class: Buffer

Buffer

new Buffer(gl, target, data, usage)

renderer/Buffer.js, line 19

缓冲

Name Type Default Description
gl WebGLRenderingContext
target GLenum ARRAY_BUFFER optional
data TypedArray null optional
usage GLenum STATIC_DRAW optional

Members Show Inherited

Name Type Default Description
className String Buffer
isBuffer Boolean true
id String

id
target GLenum

target
usage GLenum

usage
buffer WebGLBuffer

buffer

static,readonlyBuffer.cacheCache

缓存

Methods Show Inherited

staticBuffer.reset()

renderer/Buffer.js, line 35

重置缓存

staticBuffer.createVertexBuffer(gl, geometryData, usage){Buffer}

renderer/Buffer.js, line 47

生成顶点缓冲

Name Type Default Description
gl WebGLRenderingContext
geometryData GeometryData
usage GLenum STATIC_DRAW optional
Returns:
Type Description
Buffer

staticBuffer.createIndexBuffer(gl, geometryData, usage){Buffer}

renderer/Buffer.js, line 69

生成索引缓冲

Name Type Default Description
gl WebGLRenderingContext
geometryData GeometryData
usage GLenum STATIC_DRAW optional
Returns:
Type Description
Buffer

bind(){Buffer}

renderer/Buffer.js, line 127

绑定

Returns:
Type Description
Buffer this

bufferData(data){Buffer}

renderer/Buffer.js, line 136

上传数据

Name Type Description
data TypedArray
Returns:
Type Description
Buffer this

bufferSubData(byteOffset, data, isBinding){Buffer}

renderer/Buffer.js, line 155

上传部分数据

Name Type Default Description
byteOffset Number
data TypedArray
isBinding Boolean false optional
Returns:
Type Description
Buffer this

uploadGeometryData(geometryData){Buffer}

renderer/Buffer.js, line 171
Name Type Description
geometryData GeometryData
Returns:
Type Description
Buffer this

destroyIfNoRef(renderer){Buffer}

renderer/Buffer.js, line 191

没有被引用时销毁资源

Name Type Description
renderer WebGLRenderer
Returns:
Type Description
Buffer this

destroy(){Buffer}

renderer/Buffer.js, line 200

销毁资源

Returns:
Type Description
Buffer this