[VMG]

Careful: froze my browser (Chromium) for 30secs or so

Shader language programming is one of most fascinating environments I know. Everything tells me that reading and writing data via texture coordinate lookups should be orders of magnitude slower than "normal" programming, yet it often is orders of magnitude faster.

[jacobush]

To be clear, this particular emulator is a lot slower than an Apple I emulator on a normal CPU.

[djmips]

The delay is the shader compile time.