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[idd] implement cursor shape & position transmission

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This commit is contained in:
Geoffrey McRae
2023-04-14 20:40:00 +10:00
parent c11748a76f
commit bbd0c7a99b
4 changed files with 194 additions and 14 deletions
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72
idd/LGIdd/CIndirectMonitorContext.cpp
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@@ -1,20 +1,27 @@
#include "CIndirectMonitorContext.h"
#include "Direct3DDevice.h"
#include "Debug.h"
CIndirectMonitorContext::CIndirectMonitorContext(_In_ IDDCX_MONITOR monitor, CIndirectDeviceContext * device) :
m_monitor(monitor),
m_devContext(device)
{
m_terminateEvent .Attach(CreateEvent(nullptr, FALSE, FALSE, nullptr));
m_cursorDataEvent.Attach(CreateEvent(nullptr, FALSE, FALSE, nullptr));
m_thread.Attach(CreateThread(nullptr, 0, _CursorThread, this, 0, nullptr));
m_shapeBuffer = new BYTE[512 * 512 * 4];
}
CIndirectMonitorContext::~CIndirectMonitorContext()
{
m_thread.reset();
m_swapChain.reset();
SetEvent(m_terminateEvent.Get());
delete[] m_shapeBuffer;
}
void CIndirectMonitorContext::AssignSwapChain(IDDCX_SWAPCHAIN swapChain, LUID renderAdapter, HANDLE newFrameEvent)
{
m_thread.reset();
m_swapChain.reset();
auto device = std::make_shared<Direct3DDevice>(renderAdapter);
if (FAILED(device->Init()))
{
@@ -22,10 +29,67 @@ void CIndirectMonitorContext::AssignSwapChain(IDDCX_SWAPCHAIN swapChain, LUID re
return;
}
m_thread.reset(new CSwapChainProcessor(m_devContext, swapChain, device, newFrameEvent));
m_swapChain.reset(new CSwapChainProcessor(m_devContext, swapChain, device, newFrameEvent));
IDARG_IN_SETUP_HWCURSOR c = {};
c.CursorInfo.Size = sizeof(c.CursorInfo);
c.CursorInfo.AlphaCursorSupport = TRUE;
c.CursorInfo.ColorXorCursorSupport = IDDCX_XOR_CURSOR_SUPPORT_FULL;
c.CursorInfo.MaxX = 512;
c.CursorInfo.MaxY = 512;
c.hNewCursorDataAvailable = m_cursorDataEvent.Get();
NTSTATUS status = IddCxMonitorSetupHardwareCursor(m_monitor, &c);
if (!NT_SUCCESS(status))
DBGPRINT("IddCxMonitorSetupHardwareCursor Failed: %08x", status);
}
void CIndirectMonitorContext::UnassignSwapChain()
{
m_thread.reset();
m_swapChain.reset();
}
DWORD CALLBACK CIndirectMonitorContext::_CursorThread(LPVOID arg)
{
reinterpret_cast<CIndirectMonitorContext*>(arg)->CursorThread();
return 0;
}
void CIndirectMonitorContext::CursorThread()
{
HRESULT hr = 0;
for (;;)
{
HANDLE waitHandles[] =
{
m_cursorDataEvent.Get(),
m_terminateEvent.Get()
};
DWORD waitResult = WaitForMultipleObjects(ARRAYSIZE(waitHandles), waitHandles, FALSE, 100);
if (waitResult == WAIT_TIMEOUT)
continue;
else if (waitResult == WAIT_OBJECT_0 + 1)
break;
else if (waitResult != WAIT_OBJECT_0)
{
hr = HRESULT_FROM_WIN32(waitResult);
DBGPRINT("WaitForMultipleObjects: %08", hr);
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))
{
DBGPRINT("IddCxMonitorQueryHardwareCursor failed: %08x", status);
return;
}
m_devContext->SendCursor(out, m_shapeBuffer);
}
}