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ok, is clear now.
thanks

Thanks for the reply, in fact yes that's what I was thinking too, but then it seems that the command is defining exactly the same as the setup of the viewport command that is usually following the GU offset: sceGuViewport(2048,2048,SCR_WIDTH,SCR_HEIGHT); the viewport command has the centerX and cent...

I started developing some samples to get used to the GU, I have some code running, however there is a line that is comming back in every sample but I do not quit understand it (and I hate using lines I do not understand): sceGuOffset(2048 - (SCR_WIDTH/2),2048 - (SCR_HEIGHT/2)); What is the meaning o...

yep, seems cool, I just found an article talking about geomipmapping and geoclipmaps, this seems to be the way to go on nowadays hardware. (I used to program on pocketpc devices with no hardware acceleration at all, so I'm used to doing all the 3d calcs on the cpu. looks like I need some reorientati...

I can tell you right now that ROAM is NOT the right algorithm for any modern graphics hardware, it's been dead for the last 5 years :) PSP is just like a modern gaming PC, only smaller: it has a VERY strong GPU compared to the CPU. You should therefore shift as much work as possible onto the GPU an...

I am a bit lost in how exactly to use the texture blending function GU_TFX_BLEND. I am working on a ROAM implementation for rendering terrain. Adding blended textures would be awesome (like grass, rock, snow). Is there any sample showing how to deal with this function or anyone who has input in how ...