initAppGfx(gopt: KAPLAYOpt, ggl: GfxCtx):

lastDrawCalls: number

ggl:

gl: WebGLRenderingContext

opts:

texFilter?: TexFilter

onDestroy(action: ()=>unknown): void

destroy(): void

pushTexture2D(item: WebGLTexture): void

popTexture2D(): void

pushArrayBuffer(item: WebGLBuffer): void

popArrayBuffer(): void

pushElementArrayBuffer(item: WebGLBuffer): void

popElementArrayBuffer(): void

pushFramebuffer(item: WebGLFramebuffer): void

popFramebuffer(): void

pushRenderbuffer(item: WebGLRenderbuffer): void

popRenderbuffer(): void

pushViewport(item:

x: number

y: number

w: number

h: number

): void

popViewport(): void

pushProgram(item: WebGLProgram): void

popProgram(): void

setVertexFormat(fmt: VertexFormat): void

defShader: Shader

defTex: Texture

frameBuffer: FrameBuffer

postShader: string | null

postShaderUniform: Uniform | ()=>Uniform | null

renderer: BatchRenderer

transform: Mat4

transformStack: Mat4[]

bgTex: Texture

bgColor: Color | null

bgAlpha: number

width: number

height: number

viewport:

x: number

y: number

width: number

height: number

scale: number

fixed: boolean