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[idd] ipc/helper: notify the helper if a software renderer is in use

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This commit is contained in:
Geoffrey McRae
2026-06-03 22:25:07 +10:00
committed by Geoffrey McRae
parent b3701992c1
commit 37bb89f490
12 changed files with 63 additions and 161 deletions
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1
idd/LGIdd/CIndirectMonitorContext.cpp
View File

@@ -71,7 +71,6 @@ reInit:
}
m_swapChain.reset(new CSwapChainProcessor(m_monitor, m_devContext, swapChain, m_dx11Device, m_dx12Device, newFrameEvent));
g_pipe.SetGPUStatus(m_dx11Device->IsSoftware());
}
void CIndirectMonitorContext::UnassignSwapChain()

20
idd/LGIdd/CPipeServer.cpp
View File

@@ -114,6 +114,11 @@ void CPipeServer::Thread()
DEBUG_TRACE("Client connected");
m_connected = true;
for (const auto& msg : m_queue)
WriteMsg(msg);
m_queue.clear();
while (m_running && m_connected)
{
//TODO: Read messages from the client
@@ -129,8 +134,14 @@ void CPipeServer::Thread()
DEBUG_TRACE("Pipe thread shutdown");
}
void CPipeServer::WriteMsg(LGPipeMsg & msg)
void CPipeServer::WriteMsg(const LGPipeMsg & msg)
{
if (!m_connected)
{
m_queue.push_back(msg);
return;
}
DWORD written;
if (!WriteFile(m_pipe.Get(), &msg, sizeof(msg), &written, NULL))
{
@@ -151,6 +162,7 @@ void CPipeServer::WriteMsg(LGPipeMsg & msg)
void CPipeServer::SetCursorPos(uint32_t x, uint32_t y)
{
// do not send cursor messages if we are not connected or they will end up queued
if (!m_connected)
return;
@@ -164,9 +176,6 @@ void CPipeServer::SetCursorPos(uint32_t x, uint32_t y)
void CPipeServer::SetDisplayMode(uint32_t width, uint32_t height, uint32_t refresh)
{
if (!m_connected)
return;
LGPipeMsg msg;
msg.size = sizeof(msg);
msg.type = LGPipeMsg::SETDISPLAYMODE;
@@ -178,9 +187,6 @@ void CPipeServer::SetDisplayMode(uint32_t width, uint32_t height, uint32_t refre
void CPipeServer::SetGPUStatus(bool software)
{
if (!m_connected)
return;
LGPipeMsg msg;
msg.size = sizeof(msg);
msg.type = LGPipeMsg::GPUSTATUS;

4
idd/LGIdd/CPipeServer.h
View File

@@ -24,6 +24,7 @@
#include <wdf.h>
#include <stdint.h>
#include <wrl.h>
#include <vector>
#include "PipeMsg.h"
@@ -36,6 +37,7 @@ class CPipeServer
private:
HandleT<HANDLENullTraits> m_pipe;
HandleT<HANDLENullTraits> m_thread;
std::vector<LGPipeMsg> m_queue;
bool m_running = false;
bool m_connected = false;
@@ -45,7 +47,7 @@ class CPipeServer
static DWORD WINAPI _pipeThread(LPVOID lpParam) { ((CPipeServer*)lpParam)->Thread(); return 0; }
void Thread();
void WriteMsg(LGPipeMsg & msg);
void WriteMsg(const LGPipeMsg & msg);
public:
~CPipeServer() { DeInit(); }

5
idd/LGIdd/CSwapChainProcessor.cpp
View File

@@ -22,6 +22,7 @@
#include <avrt.h>
#include "CDebug.h"
#include "CPipeServer.h"
CSwapChainProcessor::CSwapChainProcessor(IDDCX_MONITOR monitor, CIndirectDeviceContext* devContext, IDDCX_SWAPCHAIN hSwapChain,
std::shared_ptr<CD3D11Device> dx11Device, std::shared_ptr<CD3D12Device> dx12Device, HANDLE newFrameEvent) :
@@ -130,6 +131,10 @@ void CSwapChainProcessor::SwapChainThreadCore()
m_lastShapeId = 0;
m_thread[1].Attach(CreateThread(nullptr, 0, _CursorThread, this, 0, nullptr));
// postpone sending this to ensure we dont spam messages if we end up in a
// restart loop while waiting for a valid configuration
g_pipe.SetGPUStatus(m_dx11Device->IsSoftware());
UINT lastFrameNumber = 0;
for (;;)
{

22
idd/LGIddHelper/CNotifyWindow.cpp
View File

@@ -20,13 +20,13 @@
#include "CNotifyWindow.h"
#include "CConfigWindow.h"
#include "Devices.h"
#include <CDebug.h>
#include <windowsx.h>
#include <strsafe.h>
#define WM_NOTIFY_ICON (WM_USER)
#define WM_CLEAN_UP_CONFIG (WM_USER+1)
#define WM_NO_GPU (WM_USER+2)
#define ID_MENU_SHOW_LOG 3000
#define ID_MENU_SHOW_CONFIG 3001
@@ -81,6 +81,10 @@ LRESULT CNotifyWindow::handleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
}
return 0;
case WM_NO_GPU:
handleNoGPUNotification();
return 0;
default:
if (s_taskbarCreated && uMsg == s_taskbarCreated)
{
@@ -162,20 +166,14 @@ void CNotifyWindow::registerIcon()
if (!Shell_NotifyIcon(NIM_SETVERSION, &m_iconData))
DEBUG_ERROR_HR(GetLastError(), "Shell_NotifyIcon(NIM_SETVERSION)");
bool hasGPU;
if (!checkGPU(hasGPU))
DEBUG_ERROR("Failed to check if the system has a GPU");
else if (hasGPU)
DEBUG_INFO("GPU identified");
else
{
DEBUG_INFO("System has no GPU");
noGPUNotification();
}
}
void CNotifyWindow::noGPUNotification()
{
PostMessage(m_hwnd, WM_NO_GPU, 0, 0);
}
void CNotifyWindow::handleNoGPUNotification()
{
CRegistrySettings settings;
LSTATUS error = settings.open();

19
idd/LGIddHelper/CNotifyWindow.h
View File

@@ -36,7 +36,7 @@ class CNotifyWindow : public CWindow
LRESULT onNotifyIcon(UINT uEvent, WORD wIconId, int x, int y);
void registerIcon();
void noGPUNotification();
void handleNoGPUNotification();
virtual LRESULT handleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam) override;
virtual LRESULT onCreate() override;
@@ -44,11 +44,26 @@ class CNotifyWindow : public CWindow
virtual LRESULT onDestroy() override;
virtual LRESULT onFinal() override;
public:
CNotifyWindow();
~CNotifyWindow() override;
public:
CNotifyWindow(const CNotifyWindow&) = delete;
CNotifyWindow& operator=(const CNotifyWindow&) = delete;
CNotifyWindow(CNotifyWindow&&) = delete;
CNotifyWindow& operator=(CNotifyWindow&&) = delete;
static CNotifyWindow& instance()
{
static CNotifyWindow window;
return window;
}
static bool registerClass();
void noGPUNotification();
HWND hwndDialog();
void close();
};

4
idd/LGIddHelper/CPipeClient.cpp
View File

@@ -20,6 +20,7 @@
#include "CPipeClient.h"
#include "CDebug.h"
#include "CNotifyWindow.h"
#include <setupapi.h>
#include <tchar.h>
@@ -307,5 +308,6 @@ void CPipeClient::HandleSetDisplayMode(const LGPipeMsg& msg)
void CPipeClient::HandleGPUStatus(const LGPipeMsg& msg)
{
// TODO: implement me
if (msg.gpuStatus.software)
CNotifyWindow::instance().noGPUNotification();
}

106
idd/LGIddHelper/Devices.cpp
View File

@@ -1,106 +0,0 @@
/**
* Looking Glass
* Copyright © 2017-2026 The Looking Glass Authors
* https://looking-glass.io
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "Devices.h"
#include <windows.h>
#include <devguid.h>
#include <setupapi.h>
#include <CDebug.h>
inline static bool wprefix(const wchar_t *pre, const wchar_t *str)
{
return wcsncmp(pre, str, wcslen(pre)) == 0;
}
bool checkGPU(bool &found)
{
found = false;
HDEVINFO hDevInfo = SetupDiGetClassDevsW(&GUID_DEVCLASS_DISPLAY, NULL, NULL, DIGCF_PRESENT);
if (hDevInfo == INVALID_HANDLE_VALUE)
{
DEBUG_WARN_HR(GetLastError(), L"SetupDiGetClassDevsW");
return false;
}
SP_DEVINFO_DATA devInfo = { 0 };
devInfo.cbSize = sizeof devInfo;
for (DWORD dwIndex = 0; SetupDiEnumDeviceInfo(hDevInfo, dwIndex, &devInfo); ++dwIndex)
{
DWORD dwSizeRequired;
DWORD dwPropertyType;
SetupDiGetDeviceRegistryPropertyW(hDevInfo, &devInfo, SPDRP_HARDWAREID, &dwPropertyType, NULL, 0, &dwSizeRequired);
DWORD dwLastError = GetLastError();
if (dwLastError == ERROR_INVALID_DATA)
continue;
else if (dwLastError != ERROR_INSUFFICIENT_BUFFER)
{
DEBUG_WARN_HR(GetLastError(), L"SetupDiGetDeviceRegistryPropertyW(SPDRP_HARDWAREID) size calculation");
goto fail;
}
if (dwPropertyType != REG_MULTI_SZ)
{
DEBUG_WARN(L"SetupDiGetDeviceRegistryPropertyW(SPDRP_HARDWAREID) returned wrong type");
goto fail;
}
LPWSTR lpBuffer = (LPWSTR)malloc(dwSizeRequired);
if (!lpBuffer)
{
DEBUG_WARN(L"failed to allocate memory for SetupDiGetDeviceRegistryPropertyW(SPDRP_HARDWAREID)");
goto fail;
}
if (!SetupDiGetDeviceRegistryPropertyW(hDevInfo, &devInfo, SPDRP_HARDWAREID, &dwPropertyType, (PBYTE)lpBuffer, dwSizeRequired, NULL))
{
DEBUG_WARN_HR(GetLastError(), L"SetupDiGetDeviceRegistryPropertyW(SPDRP_HARDWAREID) for real");
free(lpBuffer);
goto fail;
}
for (LPWSTR lpHwId = lpBuffer; *lpHwId; lpHwId += wcslen(lpBuffer) + 1)
{
if (
wprefix(L"PCI\\VEN_10DE&", lpHwId) || // Nvidia
wprefix(L"PCI\\VEN_1002&", lpHwId) || // AMD
wprefix(L"PCI\\VEN_8086&", lpHwId) // Intel
)
{
found = true;
break;
}
}
free(lpBuffer);
if (found)
break;
}
SetupDiDestroyDeviceInfoList(hDevInfo);
return true;
fail:
SetupDiDestroyDeviceInfoList(hDevInfo);
return false;
}

23
idd/LGIddHelper/Devices.h
View File

@@ -1,23 +0,0 @@
/**
* Looking Glass
* Copyright © 2017-2026 The Looking Glass Authors
* https://looking-glass.io
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
bool checkGPU(bool &found);

2
idd/LGIddHelper/LGIddHelper.vcxproj
View File

@@ -191,7 +191,6 @@ copy /Y "$(ProjectDir)VERSION" "$(SolutionDir)$(Platform)\$(Configuration)\LGIdd
<ClCompile Include="CStaticWidget.cpp" />
<ClCompile Include="CWidget.cpp" />
<ClCompile Include="CWindow.cpp" />
<ClCompile Include="Devices.cpp" />
<ClCompile Include="main.cpp" />
<ClCompile Include="UIHelpers.cpp" />
</ItemGroup>
@@ -208,7 +207,6 @@ copy /Y "$(ProjectDir)VERSION" "$(SolutionDir)$(Platform)\$(Configuration)\LGIdd
<ClInclude Include="CRegistrySettings.h" />
<ClInclude Include="CStaticWidget.h" />
<ClInclude Include="CWidget.h" />
<ClInclude Include="Devices.h" />
<ClInclude Include="UIHelpers.h" />
<ClInclude Include="CWindow.h" />
</ItemGroup>

8
idd/LGIddHelper/LGIddHelper.vcxproj.filters
View File

@@ -60,7 +60,8 @@
<ClCompile Include="CEditWidget.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="Devices.cpp">
<ClCompile Include="$(SolutionDir)LGCommon\*.cpp" />
<ClCompile Include="CCheckbox.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
@@ -113,7 +114,10 @@
<ClInclude Include="CEditWidget.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="Devices.h">
<CLInclude Include="$(SolutionDir)LGCommon\*.h" />
<CLInclude Include="$(SolutionDir)LGCommon\*.h" />
<CLInclude Include="$(SolutionDir)LGCommon\*.h" />
<ClInclude Include="CCheckbox.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>

6
idd/LGIddHelper/main.cpp
View File

@@ -113,11 +113,13 @@ int WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
return EXIT_FAILURE;
}
CNotifyWindow& window = CNotifyWindow::instance();
// the pipe must be initialized after the CNotifyWindow
// has been created to avoid a potential race
if (!g_pipe.Init())
return EXIT_FAILURE;
CNotifyWindow window;
HANDLE hWait;
if (!RegisterWaitForSingleObject(&hWait, hParent.Get(), DestroyNotifyWindow, &window, INFINITE, WT_EXECUTEONLYONCE))
DEBUG_ERROR_HR(GetLastError(), "Failed to RegisterWaitForSingleObject");