# Graphics

computer graphics opengl gpu pixel render draw

How pixel is drawn on screen?

Graphics are candidates for System Programming

# OpenGL

OpenGL is a GPU usage specification, is NOT a library or framework
- communication between CPU and GPU
- GPU builds actual array of colors which is then sent to electronics that runs the screen
- OpenGL lets you access graphics hardware or GPU
- directx, vulkan, direct3d
How do I download it?
- GPU manufacturer ships the implementation, like NVIDIA with GPU drivers
- vulkan cross platform

Shader is s/w that runs on GPU
C++ for OpenGL
How to draw a window on a computer?
- OS provides APIs for Windowing System
  - specific to OS. How about a library which can issue commands for all OS?
- GLFW

# Specifications

How to read specification like a pro?
- What issue does it solve?
- How does it solve it?

System programming

# Resources

OpenGL Playlist

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