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[idd] driver/helper: dont allow resolutions that wont fit in ram

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This commit is contained in:
Geoffrey McRae
2026-08-01 16:28:24 +10:00
parent 98bde6cf36
commit c5459dec5b
9 changed files with 245 additions and 11 deletions
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68
idd/LGIddHelper/CNotifyWindow.cpp
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@@ -22,12 +22,14 @@
#include "CConfigWindow.h"
#include "Resources.h"
#include <CDebug.h>
#include <new>
#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 WM_NOTIFY_ICON (WM_USER)
#define WM_CLEAN_UP_CONFIG (WM_USER+1)
#define WM_NO_GPU (WM_USER+2)
#define WM_RESOLUTION_REJECTED (WM_USER+3)
#define ID_MENU_SHOW_LOG 3000
#define ID_MENU_SHOW_CONFIG 3001
@@ -39,6 +41,16 @@
ATOM CNotifyWindow::s_atom = 0;
UINT CNotifyWindow::s_taskbarCreated = 0;
namespace
{
struct ResolutionRejectedNotification
{
uint32_t width;
uint32_t height;
uint32_t requiredSizeMiB;
};
}
bool CNotifyWindow::registerClass()
{
s_taskbarCreated = RegisterWindowMessage(L"TaskbarCreated");
@@ -90,6 +102,16 @@ LRESULT CNotifyWindow::handleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
handleGPUNotification((bool)wParam);
return 0;
case WM_RESOLUTION_REJECTED:
{
std::unique_ptr<ResolutionRejectedNotification> notification(
reinterpret_cast<ResolutionRejectedNotification*>(lParam));
if (notification)
handleResolutionRejected(notification->width, notification->height,
notification->requiredSizeMiB);
return 0;
}
case WM_DISPLAYCHANGE:
scheduleDisplayCheck(DISPLAY_SETTLE_DELAY);
return 0;
@@ -251,6 +273,46 @@ void CNotifyWindow::handleGPUNotification(bool hasGPU)
DEBUG_ERROR_HR(GetLastError(), "Shell_NotifyIcon(NIM_MODIFY)");
}
void CNotifyWindow::notifyResolutionRejected(uint32_t width, uint32_t height,
uint32_t requiredSizeMiB)
{
auto notification = new (std::nothrow) ResolutionRejectedNotification
{ width, height, requiredSizeMiB };
if (!notification)
{
DEBUG_ERROR("Failed to allocate resolution rejection notification");
return;
}
if (!PostMessage(m_hwnd, WM_RESOLUTION_REJECTED, 0,
reinterpret_cast<LPARAM>(notification)))
{
delete notification;
DEBUG_ERROR_HR(GetLastError(),
"Failed to queue resolution rejection notification");
}
}
void CNotifyWindow::handleResolutionRejected(uint32_t width, uint32_t height,
uint32_t requiredSizeMiB)
{
NOTIFYICONDATA nid;
memcpy(&nid, &m_iconData, sizeof nid);
nid.uFlags = NIF_INFO | NIF_SHOWTIP;
nid.dwInfoFlags = NIIF_WARNING;
StringCbCopy(nid.szInfoTitle, sizeof nid.szInfoTitle,
L"Resolution change refused");
StringCbPrintf(nid.szInfo, sizeof nid.szInfo,
L"The requested resolution %ux%u does not fit in shared memory. "
L"Change the total IVSHMEM size to at least %u MiB.",
width, height,
requiredSizeMiB);
if (!Shell_NotifyIcon(NIM_MODIFY, &nid))
DEBUG_ERROR_HR(GetLastError(), "Shell_NotifyIcon(NIM_MODIFY)");
}
HWND CNotifyWindow::hwndDialog()
{
return m_config ? m_config->hwnd() : nullptr;