Chapter 4. Color, Pixels, and Fragments
Chapter Objectives
After reading this chapter, you’ll be able to do the following:
• Understand how OpenGL processes and represents the colors in your generated images.
• Identify the types of buffers available in OpenGL, and be able to clear and control writing to them.
• List the various tests and operations on fragments that occur after fragment shading.
• Use alpha blending to render translucent objects realistically.
• Use multisampling and antialiasing to remove aliasing artifacts.
• Employ occlusion queries and conditional rendering to optimize rendering.
• Retrieve rendered images and copy pixels from one place to another or one framebuffer to another.
The goal of computer graphics, generally speaking, ...
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