weiwan1993的专栏

① Window System Interaction不属于OpenGL

①OpenGL 没有特别的window

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① Gouraud shading details讲了一下如何用扫描线来线性插值确定一个

①OpenGL rendering pipeline:

void display(void){  // clear all pixels    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) ;   // draw white polygon (square) of unit length centered at the origin  // Note that

# version 120 // Mine is an old machine. For version 130 or higher, do // in vec4 color ; // in vec4 mynormal ; // in vec4 myvertex ;// That is certainly more modernvarying vec4 color ;vary