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How to do Frustum culling?

Isuru Dissanayake · 2020-10-12T14:06:41

Hi, In my engine(forward renderer) there's no frustum culling mechanism. I render the entire 3d model(e.g. Stadium model) therefore performance is not good. On GTX 570 or RX580, this is the FPS I get. How can I improve performance?

Graphics and GPU Programming Programming C++ Direct3D11

Started by isu diss October 11, 2020 03:48 AM

11 comments, last by Juliean 3 years, 8 months ago

isu diss

Author

October 12, 2020 12:53 PM

Juliean said:
Wait, so are you saying that your old code was compiled in debug mode, and this new 160-FPS is in release? That would just about make sense.

yes @juliean

Juliean

7,352

October 12, 2020 02:06 PM

I see. In general you should not profile in debug unless you are having issues actually debugging your project due to abyssmal framerate. Release is magnitudes faster, usually. However that also means in your case that you are being (at least also) CPU-limited, as being GPU-limited would mean the difference between debug and release would be much lower. So you should profile the CPU-side of your application as well as the GPU-side.