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Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)

分类: 文章 • 2024-09-29 12:01:28

L8 Shading 2(Shading,Pipeline and Texture Mapping)

Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
简化掉了nl点乘，半程向量比起反射向量更好算，
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
指数代表容忍度，指数越大，容忍度越低，正常用100到200
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
p越大高光越小
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
假设环境光的强度相同，环境光与观察角度无关，为一个常数。这是一个简化的模型。
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
图一对三角形进行着色。图二对每个顶点进行着色，三小型内部进行插值。图三对每一个像素进行着色。
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
模型足够复杂时，面着色效果也是不错的，不一定比像素着色差。着像素工作量也不一定比面着色差。
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
根据顶点确定内部逐像素法线需要用到重心坐标。
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
管线表示一系列操作
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)

顶点进行mvp变换
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
顶点着色与像素着色在不同阶段。顶点处理阶段与像素处理阶段。shader控制顶点与像素如何着色。
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
纹理映射

Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
shadertoy
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
gpu的并行能力远远大于cpu
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
uv都在零到一。Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
纹理坐标
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)
Games101计算机图形学笔记L8 Shading 2(Shading,Pipeline and Texture Mapping)

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