NeHe Productions: FreeType Fonts in OpenGL
So here's a quick tutorial to show you how to use the FreeType version 2 font rendering library in OpenGL. By using the FreeType library we can create anti-aliased text that looks better than text made using bitmap fonts (as in Lesson 13). Our text will also have some other advantages over bitmap fonts - it will be easy to rotate and works well with OpenGL's picking functions. Note: This tutorial
NeHe Productions: GLSL: An Introduction
What Is GLSL? GLSL (GLslang) is a short term for the official OpenGL Shading Language. GLSL is a C/C++ similar high level programming language for several parts of the graphic card. With GLSL you can code (right up to) short programs, called shaders, which are executed on the GPU. Why Shaders? Until DirectX 8 hardware (GeForce 2 and lower, Radoen 7000 and lower) the graphic pipeline could only be
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