Many developers are surprised to learn that graphics commands can be "sniffed" just like network packets.
Use Wireshark to analyze how graphics requests are dispatched from an application to the X Server or Wayland compositor. Hands On Projects For The Linux Graphics Subsystem
Follow tutorials like those found in the Hands-on Projects for the Linux Graphics Subsystem book, which details repainting screen pixels manually. 2. Basic DRM/KMS "Modetest" Application Many developers are surprised to learn that graphics
Mesa is the heart of the open-source Linux graphics stack, providing the translation layer between APIs like OpenGL/Vulkan and the hardware. Hands On Projects For The Linux Graphics Subsystem