linebender/vello
Vello
Vello 是一个跨平台图形库和 GPU 加速的 2D 矢量渲染器。它作为一个引擎，用于绘制高性能 2D 场景、渲染可缩放矢量图形 (SVG) 文件以及播放 Lottie 动画。
该项目利用 GPU 计算着色器进行光栅化，并将矢量几何存储在 GPU 常驻场景图中，以最大限度地减少数据传输。它采用平铺渲染架构和并行路径渲染，以跨不同的图形 API 处理复杂的图像。
该库提供硬件加速的合成功能，并支持将渲染后的 2D 视觉数据直接输出到不同硬件平台上的原生操作系统窗口。
Features
- Vector Graphics Rendering - Provides high-performance rendering of 2D scenes and complex vector imagery using GPU compute shaders.
- Cross-Platform Graphics Frameworks - Functions as a high-performance drawing system for hardware-accelerated visuals across multiple platforms.
- Compute Shader Pipelines - Implements compute shader pipelines to calculate pixel coverage and color for high-performance vector rasterization.
- 2D Rendering Engines - Provides an engine optimized for drawing two-dimensional graphics and animations using GPU hardware acceleration.
- Parallelized Path Rendering - Breaks complex vector paths into small segments processed simultaneously across thousands of GPU cores.
- Tiled Rasterization Architectures - Divides the screen into small grids to optimize memory access and reduce redundant pixel calculations.
- GPU-Resident Scene Graphs - Stores vector geometry and drawing commands directly in GPU memory to minimize data transfer during frames.
- Vector Animation Libraries - Ships tools for animating vector paths and shapes to create fluid motion graphics.
- Graphics API Abstractions - Provides a unified interface via wgpu to translate compute commands across Vulkan, Metal, and DirectX.
- SVG-Based Vector Rendering - Renders scalable vector graphics files by parsing XML data into visual elements.
- Lottie Players - Includes a dedicated rendering engine for playing vector-based Lottie animation files.
- GPU Compositing - Uses the GPU to assemble and paint visual layers and transparency effects for high frame rates.
