本电子书书opengGL 2.0中的shading language 部分，该文档完整规范，很适合初学者并且带有详细的着色程序源码，方面学习与进一步研究-The e-book book opengGL 2.0 in the shading language part of the full specification of the document, it is suitable for beginners and the coloring process with detailed sourc

该文档包括GLSL（GL Shading Language）的着色器的2个部分：Vertex Shader（顶点着色器）和Fragment（片断着色器）。-The document includes GLSL (GL Shading Language) shader in two parts: Vertex Shader (vertex shader), and Fragment (fragment shader).