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The SDK seems to write "default" bounding box values before every draw (1023 0 1023 0 are the only values encountered so far, which happen to be the extents allowed by the BP registers) to reset the registers for comparison in the pixel engine, and presumably to detect whether GX has updated the registers with real values. Handling these writes and returning them on read when bounding box emulation is disabled or unsupported, even without computing real values from rendering, seems to prevent games from corrupting memory or crashing. This obviously does not fix any effects that rely on bounding box emulation, but having the game not clobber its own code/data or just outright crash is a definite improvement. |
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| .. | ||
| Android | ||
| Core | ||
| DSPSpy | ||
| DSPTool | ||
| PCH | ||
| UnitTests | ||
| VSProps | ||
| .clang-format | ||
| CMakeLists.txt | ||
| dolphin-emu.sln | ||