mirror of
https://github.com/gnif/LookingGlass.git
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136 lines
4.0 KiB
C++
136 lines
4.0 KiB
C++
/**
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* Looking Glass
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* Copyright © 2017-2025 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "CIndirectMonitorContext.h"
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#include "CPlatformInfo.h"
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#include "CDebug.h"
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CIndirectMonitorContext::CIndirectMonitorContext(_In_ IDDCX_MONITOR monitor, CIndirectDeviceContext * device) :
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m_monitor(monitor),
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m_devContext(device)
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{
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m_terminateEvent .Attach(CreateEvent(nullptr, FALSE, FALSE, nullptr));
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m_cursorDataEvent.Attach(CreateEvent(nullptr, FALSE, FALSE, nullptr));
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m_shapeBuffer = new BYTE[512 * 512 * 4];
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}
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CIndirectMonitorContext::~CIndirectMonitorContext()
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{
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m_swapChain.reset();
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SetEvent(m_terminateEvent.Get());
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delete[] m_shapeBuffer;
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}
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void CIndirectMonitorContext::AssignSwapChain(IDDCX_SWAPCHAIN swapChain, LUID renderAdapter, HANDLE newFrameEvent)
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{
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m_swapChain.reset();
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m_dx11Device = std::make_shared<CD3D11Device>(renderAdapter);
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if (FAILED(m_dx11Device->Init()))
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{
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WdfObjectDelete(swapChain);
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return;
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}
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UINT64 alignSize = CPlatformInfo::GetPageSize();
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m_dx12Device = std::make_shared<CD3D12Device>(renderAdapter);
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if (!m_dx12Device->Init(m_devContext->GetIVSHMEM(), alignSize))
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{
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WdfObjectDelete(swapChain);
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return;
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}
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if (!m_devContext->SetupLGMP(alignSize))
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{
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WdfObjectDelete(swapChain);
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DEBUG_ERROR("SetupLGMP failed");
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return;
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}
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IDARG_IN_SETUP_HWCURSOR c = {};
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c.CursorInfo.Size = sizeof(c.CursorInfo);
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c.CursorInfo.AlphaCursorSupport = TRUE;
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c.CursorInfo.ColorXorCursorSupport = IDDCX_XOR_CURSOR_SUPPORT_FULL;
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c.CursorInfo.MaxX = 512;
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c.CursorInfo.MaxY = 512;
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c.hNewCursorDataAvailable = m_cursorDataEvent.Get();
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NTSTATUS status = IddCxMonitorSetupHardwareCursor(m_monitor, &c);
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if (!NT_SUCCESS(status))
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{
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WdfObjectDelete(swapChain);
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DEBUG_ERROR_HR(status, "IddCxMonitorSetupHardwareCursor Failed");
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return;
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}
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m_swapChain.reset(new CSwapChainProcessor(m_devContext, swapChain, m_dx11Device, m_dx12Device, newFrameEvent));
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m_thread.Attach(CreateThread(nullptr, 0, _CursorThread, this, 0, nullptr));
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}
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void CIndirectMonitorContext::UnassignSwapChain()
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{
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m_swapChain.reset();
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m_dx11Device.reset();
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m_dx12Device.reset();
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}
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DWORD CALLBACK CIndirectMonitorContext::_CursorThread(LPVOID arg)
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{
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reinterpret_cast<CIndirectMonitorContext*>(arg)->CursorThread();
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return 0;
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}
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void CIndirectMonitorContext::CursorThread()
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{
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HRESULT hr = 0;
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for (;;)
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{
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HANDLE waitHandles[] =
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{
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m_cursorDataEvent.Get(),
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m_terminateEvent.Get()
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};
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DWORD waitResult = WaitForMultipleObjects(ARRAYSIZE(waitHandles), waitHandles, FALSE, 100);
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if (waitResult == WAIT_TIMEOUT)
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continue;
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else if (waitResult == WAIT_OBJECT_0 + 1)
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break;
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else if (waitResult != WAIT_OBJECT_0)
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{
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hr = HRESULT_FROM_WIN32(waitResult);
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DEBUG_ERROR_HR(hr, "WaitForMultipleObjects");
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return;
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}
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IDARG_IN_QUERY_HWCURSOR in = {};
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in.LastShapeId = m_lastShapeId;
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in.pShapeBuffer = m_shapeBuffer;
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in.ShapeBufferSizeInBytes = 512 * 512 * 4;
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IDARG_OUT_QUERY_HWCURSOR out = {};
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NTSTATUS status = IddCxMonitorQueryHardwareCursor(m_monitor, &in, &out);
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if (FAILED(status))
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{
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DEBUG_ERROR_HR(status, "IddCxMonitorQueryHardwareCursor failed");
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return;
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}
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m_devContext->SendCursor(out, m_shapeBuffer);
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}
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} |