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The old texture code was being bottle necked by the texture reads. We mirrored the real3d texture memory directly, including the mipmaps in a single large texture. I *think* most h/w has some sort of texture cache for a 2x2 or 4x4 block of pixels for a texture. What we were doing was reading the base texture, then reading the mipmap data from a totally separate part of the same texture which I can only assume flushed this cache. What I did was to create mipmap chains for the texture sheet, then copy the mipmap data there. Doing this basically doubles performance. |
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| .. | ||
| CPU | ||
| Debugger | ||
| Graphics | ||
| Inputs | ||
| Model3 | ||
| Network | ||
| OSD | ||
| Pkgs | ||
| Sound | ||
| Util | ||
| BlockFile.cpp | ||
| BlockFile.h | ||
| Game.h | ||
| GameLoader.cpp | ||
| GameLoader.h | ||
| ROMSet.cpp | ||
| ROMSet.h | ||
| Supermodel.h | ||
| Version.h | ||