AppGfxCtx: lastDrawCalls: number How many draw calls we're doing last frame fontAtlases: Record<string, FontAtlas> Font atlases ggl: GfxCtx The graphics context defShader: Shader Default shader defTex: Texture Default texture frameBuffer: FrameBuffer FrameBuffer postShader: string | null Post Shader, used in postEffect() postShaderUniform: Uniform | ()=>Uniform | null renderer: BatchRenderer pixelDensity: number transform: Mat23 transformStack: Mat23[] transformStackIndex: number bgTex: Texture The background texture bgColor: Color | null bgAlpha: number width: number The height: number viewport: Viewport Where the game is rendered. fixed: boolean gl: WebGLRenderingContext scratchPt: Vec2 Scratch vec2