dragonfliet wrote:xoqolatl wrote:dragonfliet wrote:On the tessellation thing: it's essentially parallax occlusion mapping but all fancy sounding and it's a huge performance hit.
No, it's not. Parallax occlusion mapping uses clever shading to create an illusion of depth. Tesselation uses a map to add polygons (not for shading). For example, tesselation improves detail near the edges of stuff. Parallax occlusion mapping looks like sh!t near edges. Also, it would be a huge performance hit if it was done in software, but we have new GPUs that do most of the work in hardware resulting in a small performance hit.
Yes, I know it's not the same thing, but it accomplishes much of the same results.
POM
Tesselation
Also, it is not a minor performance hit. It is a HUGE one which nearly halves performance. Yeah, it's a little prettier than POM, but it does essentially the same thing at a massive performance detriment. I would have to ask, with performance like that if having mildly nicer edges is worth destroying your framerate.
~Jason
Uh no, your dumb. Tess does not halve frame rates. Dirt2 uses a terrible implementation of Tess, which is where you should do your homework. Plus why the Fuck would you read pcgameshardware. They're all retarded. You hear that pcgameshardware, you're FUCKING RETARDED.
Also tess is a HUGE, HUGE advantage over Lax mapping. Because it modifies the mesh, the collisions change in the geometry. Meaning objects will collide with all those little bumps and cracks. Tess can also make Nvidia's shitty Physx possible, making it a huge physx killer. Though I don't think anyone see's that yet.
Lastly with Dx11, you can nearly run any C++ instruction onto the GPU. With an engine like source, nearly all the physics could be offloaded to the GPU, leaving fuck loads of space for anything else.
It's also very clear in that article that the 5870, when moved to DX11, looses only 25 frames. However the 5970 loose totally half of it's frames. Dirt2 also has some shitty scaling, and partly AMD needs to work on their drivers and stop sucking so much dick.










?? like if you have a ps3 you still play ps2 games on it....... that was sony's bottle neck on their 1st gen PS3..... so sony trowed away 200 dollars per sold ps3 console.... 