什么是顶点和像素着色器？ [英] What are Vertex and Pixel shaders?
问题描述
什么是顶点和像素着色器？
What are Vertex and Pixel shaders?
它们之间有什么区别？哪一个是最好的？
What is the difference between them? Which one is the best?
推荐答案
A Pixel Shader is a GPU (Graphic Processing Unit) component that can be programmed to operate on a per pixel basis and take care of stuff like lighting and bump mapping.
Vertex Shader 也是GPU组件，也可以使用一种特定的类似汇编语言，像素着色器，但是面向场景几何，可以做一些事情，比如向对象添加卡通轮廓边等。
A Vertex Shader is also GPU component and is also programmed using a specific assembly-like language, like pixel shaders, but are oriented to the scene geometry and can do things like adding cartoony silhouette edges to objects, etc.
两者都不是最好的比其他的，他们每个人都有其特定的用途。支持DirectX 9或更高版本的大多数现代图形卡都包含这些功能。
Neither is better than the other, they each have their specific uses. Most modern graphic cards supporting DirectX 9 or better include these capabilities.
Web上有多种资源可以更好地了解如何使用这些内容。 NVidia和ATI尤其是这个主题的文档的良好资源。
There are multiple resources on the web for gaining a better understand of how to use these things. NVidia and ATI especially are good resources for documents on this topic.
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