GCM commands

Regression: there is an opengl error now http://pastebin.com/Pb1jK4Dm

[W : RSXThread]: New FBO (1920x1080)
[E : RSXThread]: Bad depth format! (0)
[E : RSXThread]: glEnable: opengl error 0x0506
[E : RSXThread]: GetAddress(offset=0xff, location=0x1e0001)
[E : RSXThread]: GetAddress(offset=0xff, location=0x1e0001)
[E : RSXThread]: Bad texture address=0x0
[E : RSXThread]: glDrawElements #4: opengl error 0x0506

Edit: The latest revision (https://github.com/DHrpcs3/rpcs3/commit/...71941607de) breaks -a lot- of games Disgaea 3, Terraria, etc.

Terraria:

[W : RSXThread]: New FBO (960x540)
[E : RSXThread]: GLTexture::Init() -> border color: opengl error 0x0500

Disgaea 3:

[E : RSXThread]: GLTexture::Init() -> border color: opengl error 0x0500

...