CppCon 2018: Mike Shah “Let's Intercept OpenGL Function Calls...for Logging!”

When I needed to intercept graphic calls for logging in our internal-use software, I forked renderdoc for the interception, and replaced the logging parts. If your problem is practical you aren't just researching stuff, you can do the same.

Cool. My CS461 project (Oregon State 2005) was to pipe graphics to a 3D holographic Perspecta display, from any machine on the network from any OpenGL Windows application, including those that weren't originally designed to call the specific Perspecta API's. So I intercepted and redirected the opengl32.dll calls over the network. It worked, but I never finished everything I wanted to do (such as transmitting textures, just solid colors).

Nicely explained, I could almost do this with my eyes closed. Lol. Really though as a beginner it was a descriptive and comprehensive presentation. TY