BradLarson/GPUImage2
GPUImage2
GPUImage2 是一个 Swift 框架，用于使用 GPU 对图像和视频应用实时滤镜和效果。它提供了一个实时视频滤镜库、图像几何操作引擎以及用于在图形硬件上处理视觉数据的 OpenGL 着色流水线。
该框架支持通过将图像源链接到顺序流中的消费者来构建视觉效果流水线。它支持为定制图像处理开发自定义片段和顶点着色器，并提供通过基于图的分组将这些操作捆绑到可重用单元中的能力。
功能领域包括颜色调整、几何操作和合成图像生成。该系统还支持合成图像分层，允许使用 Alpha 混合和色度键控组合多个图像源。
Features
- Real-Time Video Filtering - Applies complex visual filters and effects to live video streams using GPU acceleration for real-time performance.
- Real-Time Image Processing - Executes real-time image and video processing tasks on the GPU to increase performance over CPU code.
- Custom Shader Programming - Enables the authoring of custom fragment and vertex shader code to implement bespoke image processing.
- GPU-Accelerated Image Processing Frameworks - Provides a Swift framework for applying real-time filters and effects to images and video using the GPU.
- GPU Accelerated Rendering - Utilizes graphics hardware to accelerate pixel manipulation and rendering for real-time video processing speeds.
- Vertex and Fragment Shading - Implements a system for building custom fragment and vertex shaders to process visual data on graphics hardware.
- Camera Pipeline Effects - Chains multiple image processing operations into a sequence of transformations before outputting the result.
- Shader-Based Image Rendering - Uses custom fragment and vertex shaders to perform visual manipulations directly on the graphics hardware.
- Custom Image Filters - Allows the creation of bespoke visual effects by writing shaders to manipulate pixels and colors on the GPU.
- Image Processing Pipelines - Enables the construction of sequential pipelines by chaining image sources to consumers for real-time processing.
- Image Visual Filters - Implements a wide array of artistic visual effects including pixellation, halftone, and various image distortions.
- GPU-Accelerated Processors - Performs heavy image transformations and geometry adjustments on the GPU to maintain high performance.
- Pipeline Chaining Frameworks - Implements a system for chaining multiple image processing steps into sequential, reusable pipelines.
- Filter Operation Groupings - Bundles individual filters into reusable units to simplify the management of complex processing sequences.
- Image Geometric Transformations - Executes transformations, cropping, resampling, and blurring operations to alter the physical geometry of images.
- Image Layer Compositing - Blends multiple image sources together using alpha channels and chroma keying to create final composite visuals.
- Image Geometry Toolkits - Provides a toolset for performing cropping, resampling, and transformations on image data via graphics acceleration.
- Image Blending - Combines multiple image layers using mask-based transparency and blending logic to create composite frames.
- Operation Groupings - Bundles a series of individual processing operations into a single unit to simplify pipeline management and reuse across projects.
- Color Adjustments - Modifies brightness, contrast, saturation, and hue using built-in filters and color matrices.
- Computer Vision and Processing - High-performance framework for real-time image and video filtering.
- Image Processing - GPU-accelerated image and video processing.
