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A Hitchhiker's Guide to Virtual Reality
book

A Hitchhiker's Guide to Virtual Reality

by Karen McMenemy, Robin Stuart Ferguson
July 2007
Beginner to intermediate content levelBeginner to intermediate
604 pages
17h 36m
English
A K Peters/CRC Press
Content preview from A Hitchhiker's Guide to Virtual Reality
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358 14. High-Quality 3D with OpenGL 2
14.1.2 Compiling, Installing and Using OpenGL Shaders
Putting this is terms of a simple recipe:
1. Read the shader source code from text files or store them in character
memory buffers. The vertex and fragment programs are separate pieces
of code; a typical shader will have one of each. The shader file or text
buffer will contain text like this:
varying float LightIntensity;
void main(void){
gl_FragColor = gl_Color
*
LightIntensity;
}
In a C text array, this might look like:
char gouraud_fragment_shader[] = "varying float LightIntensity;void main(void){"
"gl_FragColor = gl_Color
*
LightIntensity;}";
2. Create a shader ...
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Publisher Resources

ISBN: 9781568814773