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This GPU Gems article is a good overview of GPU volume rendering as well (http://developer.download.nvidia.com/books/HTML/gpugems/gpugems_ch39.html http://devel
by Impossible 8y ago
This GPU Gems article is a good overview of GPU volume rendering as well (http://developer.download.nvidia.com/books/HTML/gpugems/gpugems_ch39.html http://developer.download.nvidia.com/books/HTML/gpugems/gpug...). Raymarching in the fragment shader is probably better on modern hardware than the approach outlined in GPU Gems but it's still worth a read.