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VideoCommon: xfb height calculation adjusted

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Baten Kaitos allocates its XFBs from a tagged heap
structure. With the old calculation, too many lines
were being written so the tag of the allocation
after the XFB was being corrupted. Fixes crash
mentioned in this comment:
https://code.google.com/p/dolphin-emu/issues/detail?id=7734#c6
This commit is contained in:
booto 2015-09-03 03:57:03 +08:00
parent 3b65c4070c
commit 5a32c3fba4
1 changed files with 1 additions and 1 deletions
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2
Source/Core/VideoCommon/BPStructs.cpp
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@ -241,7 +241,7 @@ static void BPWritten(const BPCmd& bp)
else
yScale = (float)bpmem.dispcopyyscale / 256.0f;
float num_xfb_lines = ((bpmem.copyTexSrcWH.y + 1.0f) * yScale);
float num_xfb_lines = 1.0f + bpmem.copyTexSrcWH.y * yScale;
u32 height = static_cast<u32>(num_xfb_lines);
if (height > MAX_XFB_HEIGHT)