new()
bufferFormat:BufferFormat
@:value([])buffers:Array<Buffer> = []
commandBuffers:Array<Buffer>
computePass:Pass
countBuffers:Array<Buffer>
data:FloatBuffer
indexCount:Int
indexStart:Int
instanceBuffers:Array<InstanceBuffer>
matIndex:Int
maxInstance:Int
modelViewPos:Int
next:BatchData
params:AllocParam
paramsCount:Int
pass:Pass
shader:BatchShader
shaders:Array<Shader>
