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(svn r26247) -Fix [FS#5854, FS#5855]: Possible out of bounds reads with the sse blitters (MJP)

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rubidium
2014-01-13 17:54:24 +00:00
parent 54a898be33
commit a942619911
6 changed files with 164 additions and 208 deletions
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src/video/win32_v.cpp
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@@ -1077,7 +1077,7 @@ static bool AllocateDibSection(int w, int h, bool force)
bi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bi->bmiHeader.biWidth = _wnd.width = w;
bi->bmiHeader.biHeight = -(_wnd.height = h+1); // Allocate extra room to prevent out-of-bounds when SSE reads a 16B block at the end of the buffer.
bi->bmiHeader.biHeight = -(_wnd.height = h);
bi->bmiHeader.biPlanes = 1;
bi->bmiHeader.biBitCount = BlitterFactory::GetCurrentBlitter()->GetScreenDepth();