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popn: allow game to launch on PCs with only one monitor (#633)
## Link to GitHub Issue or related Pull Request, if one exists #618 ## Description of change The game insists on having two monitors. Hook various DX9 and Win32 monitor APIs to fake a monitor if the user only has one. This correctly convinces the game that it needs to draw two screens instead of just one. ## Testing WIP
This commit is contained in:
bicarus
@@ -26,9 +26,121 @@ namespace games::popn {
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bool SHOW_PIKA_MONITOR_WARNING = false;
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#if SPICE64 && !SPICE_XP
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const HMONITOR FAKE_MONITOR_HMONITOR = (HMONITOR)-1;
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constexpr LONG FAKE_MONITOR_OFFSET_X_Y = -999999;
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constexpr LONG FAKE_MONITOR_WIDTH = 1280;
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constexpr LONG FAKE_MONITOR_HEIGHT = 800;
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static decltype(GetDisplayConfigBufferSizes) *GetDisplayConfigBufferSizes_orig = nullptr;
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static decltype(QueryDisplayConfig) *QueryDisplayConfig_orig = nullptr;
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static decltype(DisplayConfigGetDeviceInfo) *DisplayConfigGetDeviceInfo_orig = nullptr;
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static UINT32 pNumPathArrayElements_original = 0;
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static UINT32 pNumModeInfoArrayElements_original = 0;
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static
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LONG
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WINAPI
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GetDisplayConfigBufferSizes_hook(
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UINT32 Flags,
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UINT32 *pNumPathArrayElements,
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UINT32 *pNumModeInfoArrayElements)
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{
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const auto ret = GetDisplayConfigBufferSizes_orig(Flags, pNumPathArrayElements, pNumModeInfoArrayElements);
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if (FAKE_SUBSCREEN_ADAPTER) {
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log_misc("popn", "GetDisplayConfigBufferSizes returning fake monitor paths and modes");
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pNumPathArrayElements_original = *pNumPathArrayElements;
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pNumModeInfoArrayElements_original = *pNumModeInfoArrayElements;
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*pNumPathArrayElements += 1;
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*pNumModeInfoArrayElements += 2;
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}
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return ret;
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}
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static
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LONG
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WINAPI
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QueryDisplayConfig_hook(
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UINT32 flags,
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UINT32* numPathArrayElements,
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DISPLAYCONFIG_PATH_INFO* pathArray,
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UINT32* numModeInfoArrayElements,
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DISPLAYCONFIG_MODE_INFO* modeInfoArray,
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DISPLAYCONFIG_TOPOLOGY_ID* currentTopologyId)
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{
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if (!FAKE_SUBSCREEN_ADAPTER) {
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return QueryDisplayConfig_orig(
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flags,
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numPathArrayElements, pathArray,
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numModeInfoArrayElements, modeInfoArray,
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currentTopologyId);
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}
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// call original to fill in real monitor info
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UINT32 num_paths = pNumPathArrayElements_original;
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UINT32 num_modes = pNumModeInfoArrayElements_original;
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const auto ret = QueryDisplayConfig_orig(
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flags,
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&num_paths, pathArray,
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&num_modes, modeInfoArray,
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currentTopologyId);
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if (ret != ERROR_SUCCESS) {
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log_warning("popn", "QueryDisplayConfig failed with error code {}", ret);
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return ret;
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}
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log_misc("popn", "QueryDisplayConfig returning fake monitor paths and modes");
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// insert a fake path
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DISPLAYCONFIG_PATH_INFO *path = &pathArray[pNumPathArrayElements_original];
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*path = {};
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path->flags = DISPLAYCONFIG_PATH_ACTIVE;
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path->sourceInfo.adapterId.HighPart = -1;
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path->sourceInfo.adapterId.LowPart = -1;
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path->sourceInfo.id = -1;
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path->sourceInfo.modeInfoIdx = pNumModeInfoArrayElements_original;
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path->sourceInfo.statusFlags = DISPLAYCONFIG_SOURCE_IN_USE;
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path->targetInfo.adapterId.HighPart = -1;
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path->targetInfo.adapterId.LowPart = -1;
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path->targetInfo.id = -2;
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path->targetInfo.modeInfoIdx = pNumModeInfoArrayElements_original + 1;
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path->targetInfo.outputTechnology = DISPLAYCONFIG_OUTPUT_TECHNOLOGY_HDMI;
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path->targetInfo.rotation = DISPLAYCONFIG_ROTATION_IDENTITY;
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path->targetInfo.scaling = DISPLAYCONFIG_SCALING_IDENTITY;
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path->targetInfo.refreshRate.Numerator = 60000;
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path->targetInfo.refreshRate.Denominator = 1000;
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path->targetInfo.scanLineOrdering = DISPLAYCONFIG_SCANLINE_ORDERING_PROGRESSIVE;
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path->targetInfo.targetAvailable = true;
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path->targetInfo.statusFlags = DISPLAYCONFIG_TARGET_IN_USE;
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// insert fake mode source
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DISPLAYCONFIG_MODE_INFO *mode_source = &modeInfoArray[pNumModeInfoArrayElements_original];
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*mode_source = {};
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mode_source->infoType = DISPLAYCONFIG_MODE_INFO_TYPE_SOURCE;
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mode_source->id = -1;
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mode_source->adapterId.HighPart = -1;
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mode_source->adapterId.LowPart = -1;
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mode_source->sourceMode.width = FAKE_MONITOR_WIDTH;
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mode_source->sourceMode.height = FAKE_MONITOR_HEIGHT;
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mode_source->sourceMode.pixelFormat = DISPLAYCONFIG_PIXELFORMAT_32BPP;
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mode_source->sourceMode.position.x = FAKE_MONITOR_OFFSET_X_Y;
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mode_source->sourceMode.position.y = FAKE_MONITOR_OFFSET_X_Y;
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// insert fake mode target
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DISPLAYCONFIG_MODE_INFO *mode_target = &modeInfoArray[pNumModeInfoArrayElements_original+1];
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*mode_target = {};
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mode_target->infoType = DISPLAYCONFIG_MODE_INFO_TYPE_TARGET;
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mode_target->id = -2;
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mode_target->adapterId.HighPart = -1;
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mode_target->adapterId.LowPart = -1;
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return ret;
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}
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static
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LONG
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WINAPI
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@@ -37,6 +149,43 @@ namespace games::popn {
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if (requestPacket == nullptr) {
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return DisplayConfigGetDeviceInfo_orig(requestPacket);
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}
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// fake monitor
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if (FAKE_SUBSCREEN_ADAPTER &&
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(requestPacket->id == static_cast<UINT32>(-1) ||
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requestPacket->id == static_cast<UINT32>(-2)) &&
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requestPacket->adapterId.HighPart == static_cast<LONG>(-1) &&
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requestPacket->adapterId.LowPart == static_cast<DWORD>(-1)) {
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log_misc(
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"popn",
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"DisplayConfigGetDeviceInfo hook hit for fake monitor, type={}, size={}, id={}, luid={}/{}",
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static_cast<int>(requestPacket->type),
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requestPacket->size,
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requestPacket->id,
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requestPacket->adapterId.HighPart,
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requestPacket->adapterId.LowPart);
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if (requestPacket->type == DISPLAYCONFIG_DEVICE_INFO_GET_TARGET_NAME) {
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const auto target = reinterpret_cast<DISPLAYCONFIG_TARGET_DEVICE_NAME*>(requestPacket);
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target->flags.value = 0;
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target->outputTechnology = DISPLAYCONFIG_OUTPUT_TECHNOLOGY_HDMI;
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target->connectorInstance = 0;
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wcscpy(target->monitorFriendlyDeviceName, L"Spice Fake Monitor");
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wcscpy(target->monitorDevicePath, L"\\\\?\\SpiceFakeMonitor");
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} else if (requestPacket->type == DISPLAYCONFIG_DEVICE_INFO_GET_SOURCE_NAME) {
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const auto source = reinterpret_cast<DISPLAYCONFIG_SOURCE_DEVICE_NAME*>(requestPacket);
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// value must match WrappedIDirect3D9::GetAdapterIdentifier
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wcscpy(source->viewGdiDeviceName, L"\\\\.\\DISPLAY_SPICE_FAKE");
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} else {
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log_fatal(
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"popn",
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"unexpected device info type {} for fake monitor",
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static_cast<int>(requestPacket->type));
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}
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return ERROR_SUCCESS;
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}
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const auto ret = DisplayConfigGetDeviceInfo_orig(requestPacket);
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log_misc(
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"popn",
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@@ -436,6 +585,12 @@ namespace games::popn {
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}
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// monitor hook
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GetDisplayConfigBufferSizes_orig =
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detour::iat_try("GetDisplayConfigBufferSizes",
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GetDisplayConfigBufferSizes_hook, avs::game::DLL_INSTANCE);
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QueryDisplayConfig_orig =
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detour::iat_try("QueryDisplayConfig",
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QueryDisplayConfig_hook, avs::game::DLL_INSTANCE);
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DisplayConfigGetDeviceInfo_orig =
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detour::iat_try("DisplayConfigGetDeviceInfo",
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DisplayConfigGetDeviceInfo_hook, avs::game::DLL_INSTANCE);
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@@ -472,10 +627,12 @@ namespace games::popn {
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// 00000080 0000000A 00000001 (button 8)
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// 00000100 0000000B 00000001 (button 9)
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// set third column to 0 and it will work with BIO2
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wintouchemu::FORCE = true;
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wintouchemu::INJECT_MOUSE_AS_WM_TOUCH = true;
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wintouchemu::hook_title_ends("", "Main Screen", avs::game::DLL_INSTANCE);
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if (!GRAPHICS_WINDOWED) {
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wintouchemu::FORCE = true;
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wintouchemu::INJECT_MOUSE_AS_WM_TOUCH = true;
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wintouchemu::hook_title_ends("", "Main Screen", avs::game::DLL_INSTANCE);
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}
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#endif
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