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python-scripts: Screenshot sample sometimes gives bad output #28

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JayFoxRox opened this issue Jun 29, 2017 · 1 comment
Open

python-scripts: Screenshot sample sometimes gives bad output #28

JayFoxRox opened this issue Jun 29, 2017 · 1 comment

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@JayFoxRox
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JayFoxRox commented Jun 29, 2017 •
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5849 [or something?] works in XQEMU // 5933 on hardware doesn't

The buffer description looks fine (same for both). I'm not sure if this is due to hw or sw differences.
The colors in the broken screenshots are still correct.
This might be related to memory mapping or the GPU swizzling data or something?
@JayFoxRox
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JayFoxRox commented Jun 30, 2017 •
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This is related to swizzling. I'm not sure where the CRTC is told about swizzling yet.
Also the unswizzle routine in nv2a.py is absolutely horrible and needs fixing. However, the one from QEMU [or rygs blog] does not work (Why?).

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