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[idd] driver: fix failure to track last pointer ID
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Browse Source
This commit is contained in:
Geoffrey McRae
2025-09-07 20:28:01 +00:00
parent 01cae959d8
commit 08064efb7f
2 changed files with 30 additions and 20 deletions
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49
idd/LGIdd/CSwapChainProcessor.cpp
View File

@@ -288,6 +288,32 @@ DWORD CALLBACK CSwapChainProcessor::_CursorThread(LPVOID arg)
return 0;
}
bool CSwapChainProcessor::QueryHWCursor()
{
IDARG_IN_QUERY_HWCURSOR in = {};
in.LastShapeId = m_lastShapeId;
in.pShapeBuffer = m_shapeBuffer;
in.ShapeBufferSizeInBytes = 512 * 512 * 4;
IDARG_OUT_QUERY_HWCURSOR out = {};
NTSTATUS status = IddCxMonitorQueryHardwareCursor(m_monitor, &in, &out);
if (FAILED(status))
{
// this occurs if the display went away (ie, screen blanking or disabled)
if (status == ERROR_GRAPHICS_PATH_NOT_IN_TOPOLOGY)
return false;
DEBUG_ERROR("IddCxMonitorQueryHardwareCursor failed (0x%08x)", status);
return false;
}
if (out.IsCursorShapeUpdated)
m_lastShapeId = out.CursorShapeInfo.ShapeId;
m_devContext->SendCursor(out, m_shapeBuffer);
return true;
}
void CSwapChainProcessor::CursorThread()
{
HRESULT hr = 0;
@@ -311,7 +337,9 @@ void CSwapChainProcessor::CursorThread()
// cursorDataEvent
case WAIT_OBJECT_0:
break;
if (!QueryHWCursor())
return;
continue;
// terminateEvent
case WAIT_OBJECT_0 + 1:
@@ -323,24 +351,5 @@ void CSwapChainProcessor::CursorThread()
DEBUG_ERROR_HR(hr, "WaitForMultipleObjects");
return;
}
IDARG_IN_QUERY_HWCURSOR in = {};
in.LastShapeId = m_lastShapeId;
in.pShapeBuffer = m_shapeBuffer;
in.ShapeBufferSizeInBytes = 512 * 512 * 4;
IDARG_OUT_QUERY_HWCURSOR out = {};
NTSTATUS status = IddCxMonitorQueryHardwareCursor(m_monitor, &in, &out);
if (FAILED(status))
{
// this occurs if the display went away (ie, screen blanking or disabled)
if (status == ERROR_GRAPHICS_PATH_NOT_IN_TOPOLOGY)
return;
DEBUG_ERROR("IddCxMonitorQueryHardwareCursor failed (0x%08x)", status);
return;
}
m_devContext->SendCursor(out, m_shapeBuffer);
}
}

1
idd/LGIdd/CSwapChainProcessor.h
View File

@@ -60,6 +60,7 @@ private:
void SwapChainThreadCore();
static DWORD CALLBACK _CursorThread(LPVOID arg);
bool QueryHWCursor();
void CursorThread();
static void CompletionFunction(