// Run from the graphics thread (from Fifo.cpp)
void VideoFifo_CheckSwapRequestAt(u32 xfbAddr, u32 fbWidth, u32 fbHeight)
{
if (g_ActiveConfig.bUseXFB)
{
if (s_swapRequested.IsSet())
{
u32 aLower = xfbAddr;
u32 aUpper = xfbAddr + 2 * fbWidth * fbHeight;
u32 bLower = s_beginFieldArgs.xfbAddr;
u32 bUpper = s_beginFieldArgs.xfbAddr + 2 * s_beginFieldArgs.fbWidth * s_beginFieldArgs.fbHeight;
if (addrRangesOverlap(aLower, aUpper, bLower, bUpper))
VideoFifo_CheckSwapRequest();
}
}
}
void FramebufferManagerBase::ReplaceVirtualXFB()
{
VirtualXFBListType::iterator it = m_virtualXFBList.begin();
const s32 srcLower = it->xfbAddr;
const s32 srcUpper = it->xfbAddr + 2 * it->xfbWidth * it->xfbHeight;
const s32 lineSize = 2 * it->xfbWidth;
++it;
for (; it != m_virtualXFBList.end(); ++it)
{
s32 dstLower = it->xfbAddr;
s32 dstUpper = it->xfbAddr + 2 * it->xfbWidth * it->xfbHeight;
if (dstLower >= srcLower && dstUpper <= srcUpper)
{
// Invalidate the data
it->xfbAddr = 0;
it->xfbHeight = 0;
it->xfbWidth = 0;
}
else if (addrRangesOverlap(srcLower, srcUpper, dstLower, dstUpper))
{
s32 upperOverlap = (srcUpper - dstLower) / lineSize;
s32 lowerOverlap = (dstUpper - srcLower) / lineSize;
if (upperOverlap > 0 && lowerOverlap < 0)
{
it->xfbAddr += lineSize * upperOverlap;
it->xfbHeight -= upperOverlap;
}
else if (lowerOverlap > 0)
{
it->xfbHeight -= lowerOverlap;
}
}
}
}
