Blog Archives

Playing With Postprocessing

Finally, I have a brand new hardware. The config is: Intel i7 2600K 3.4GHz, 8GB RAM, NVidia GeForce 560 Ti. It is like to get into a Rolls-Royce after a trolley. One of the first things that I did was to give my engine a try. Of course… 🙂 The difference is amazing. The overall speed-up factor of the rendering is somewhere between 10 and 40… quite good, I think… The occlusion culling gives much more boost than on the old GPU.
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Added Hardware Supported Occlusion Culling

I can proudly announce that I have successfully added the CHC++ algorithm to the engine, so it supports hardware accelerated occlusion culling now. With this new feature the engine can exclude most of the objects those are not visible in the final image from rendering. Without getting too deep in details, the method uses occlusion queries supported by the hardware in conjunction with the space partitioning tree to efficiently cull invisible elements within the view frustum. It needs no any scene preprocessing, so dynamic scenes are fully supported.
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