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README
Apache-2.0

AGP引擎

简介

AGP(Ark Graphics Platform)引擎是一款跨平台、高性能实时渲染的3D引擎,具有易用性、高画质、可扩展等特性。引擎使用先进的ECS(Entity-Component-System)架构设计,进行模块化封装(如材质定义、后处理特效等),为开发者提供了灵活易用的开发套件。AGP引擎支持Opengl ES/Vulkan后端,降低开发者对硬件资源依赖。

AGP引擎的主要结构如下图所示:

AGP引擎架构图

OpenHarmony 3D图形栈的分层说明如下:

• 接口层:提供图形的Native API能力以及ECS组件系统。

• 引擎层

模块 能力描述
模型解析 提供解析GLTF模型的能力。
材质定义 提供了PBR(基于物理的渲染)等材质的定义。
动画 提供动画引擎的相关能力,如刚体、骨骼等。
光照&阴影&反射 提供定向光、点光源、聚光源等光源;提供PCF(基于硬阴影的抗锯齿算法)等算法。
后处理特效 主要完成ToneMapping(色调映射)、Bloom(高亮溢出)、HDR(高动态范围成像)、FXAA(快速近似抗锯齿)、Blur(模糊)等后处理特效功能。
插件系统 提供了加载各种插件的能力,利用插件开发新功能。
资源管理 此模块提供了资源管理能力,主要包含内存管理、线程管理、GPU资源管理等。
系统抽象 主要包含了文件系统、窗口系统、调试系统等。

• 图形后端:支持OpenGL ES、Vulkan后端。

目录

foundation/graphic/graphic_3d/
├── 3d_widget_adapter                  # 适配ArkUI接口代码
├── lume                               # 引擎核心代码
│   ├── Lume_3D                        # ECS框架,3D模型解析,3D渲染基础能力
│   ├── LumeBase                       # 基础数据类型、数学库
│   ├── LumeEngine                     # 资源管理、线程管理、跨平台、插件系统
│   ├── LumeRender                     # 引擎后端、渲染管线
│   ├── LumeBinaryCompile              # 引擎shader(着色器)编译
│   ├── LumeKtx2                       # 
│   ├── LumeFont                       #
│   ├── LumeDotfield                   #
│   ├── LumeEcsSerializer              #
│   ├── metaobject                     #
│   └── scenewidgetplugin              #                            

编译构建

通过gn编译,在out目录下对应产品的文件夹中生成lib3dWidgetAdapter.z.so、libAGPDLL.z.so、libPluginAGP3D.z.so、libPluginAGPRender.z.so。

hb build graphic_3d

说明

使用说明

AGP引擎作为OpenHarmony的组件,提供系统的3D绘制能力,包含引擎的加载、自定义灯光、相机以及纹理等能力,供开发者自定义3D模型。

相关仓

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