Set HDR of screen according to client request
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@@ -108,25 +108,21 @@ bool setPrimaryDisplay(const wchar_t* primaryDeviceName) {
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return true;
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}
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bool ensureDisplayHDR(const wchar_t* displayName) {
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UINT32 pathCount = 0, modeCount = 0;
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if (GetDisplayConfigBufferSizes(QDC_ONLY_ACTIVE_PATHS, &pathCount, &modeCount) != ERROR_SUCCESS) {
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printf("Failed to query display configuration.\n");
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bool findDisplayIds(const wchar_t* displayName, LUID& adapterId, uint32_t& targetId) {
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UINT pathCount;
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UINT modeCount;
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if (GetDisplayConfigBufferSizes(QDC_ONLY_ACTIVE_PATHS, &pathCount, &modeCount)) {
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return false;
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}
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std::vector<DISPLAYCONFIG_PATH_INFO> pathArray(pathCount);
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std::vector<DISPLAYCONFIG_MODE_INFO> modeArray(modeCount);
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if (QueryDisplayConfig(QDC_ONLY_ACTIVE_PATHS, &pathCount, pathArray.data(), &modeCount, modeArray.data(), NULL) != ERROR_SUCCESS) {
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printf("Failed to query display paths.\n");
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std::vector<DISPLAYCONFIG_PATH_INFO> paths(pathCount);
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std::vector<DISPLAYCONFIG_MODE_INFO> modes(modeCount);
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if (QueryDisplayConfig(QDC_ONLY_ACTIVE_PATHS, &pathCount, paths.data(), &modeCount, modes.data(), nullptr)) {
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return false;
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}
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for (const auto& path : pathArray) {
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DISPLAYCONFIG_PATH_SOURCE_INFO sourceInfo = path.sourceInfo;
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auto path = std::find_if(paths.begin(), paths.end(), [&displayName](DISPLAYCONFIG_PATH_INFO _path) {
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DISPLAYCONFIG_PATH_SOURCE_INFO sourceInfo = _path.sourceInfo;
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DISPLAYCONFIG_SOURCE_DEVICE_NAME deviceName = {};
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deviceName.header.type = DISPLAYCONFIG_DEVICE_INFO_GET_SOURCE_NAME;
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@@ -135,54 +131,67 @@ bool ensureDisplayHDR(const wchar_t* displayName) {
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deviceName.header.id = sourceInfo.id;
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if (DisplayConfigGetDeviceInfo(&deviceName.header) != ERROR_SUCCESS) {
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continue;
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}
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if (std::wstring_view(displayName) == deviceName.viewGdiDeviceName) {
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DISPLAYCONFIG_GET_ADVANCED_COLOR_INFO hdrInfo = {};
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hdrInfo.header.type = DISPLAYCONFIG_DEVICE_INFO_GET_ADVANCED_COLOR_INFO;
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hdrInfo.header.size = sizeof(hdrInfo);
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hdrInfo.header.adapterId = path.targetInfo.adapterId;
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hdrInfo.header.id = path.targetInfo.id;
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if (DisplayConfigGetDeviceInfo(&hdrInfo.header) != ERROR_SUCCESS) {
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wprintf(L"Failed to get HDR info for display: %ls\n", std::wstring(deviceName.viewGdiDeviceName));
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return false;
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}
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if (hdrInfo.advancedColorSupported) {
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if (hdrInfo.advancedColorEnabled) {
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DISPLAYCONFIG_SET_ADVANCED_COLOR_STATE setHdrInfo = {};
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setHdrInfo.header.type = DISPLAYCONFIG_DEVICE_INFO_SET_ADVANCED_COLOR_STATE;
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setHdrInfo.header.size = sizeof(setHdrInfo);
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setHdrInfo.header.adapterId = path.targetInfo.adapterId;
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setHdrInfo.header.id = path.targetInfo.id;
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setHdrInfo.enableAdvancedColor = FALSE; // Disable HDR
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if (DisplayConfigSetDeviceInfo(&setHdrInfo.header) == ERROR_SUCCESS) {
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wprintf(L"HDR toggled off for display: %ls\n", displayName);
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} else {
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wprintf(L"Failed to toggle HDR off for display: %ls\n", std::wstring(deviceName.viewGdiDeviceName));
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}
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setHdrInfo.enableAdvancedColor = TRUE; // Enable HDR back on
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if (DisplayConfigSetDeviceInfo(&setHdrInfo.header) == ERROR_SUCCESS) {
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wprintf(L"HDR toggled on for display: %ls\n", displayName);
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return true;
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} else {
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wprintf(L"Failed to toggle HDR on for display: %ls\n", std::wstring(deviceName.viewGdiDeviceName));
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}
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} else {
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wprintf(L"HDR is not enabled on display: %ls\n", displayName);
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}
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}
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return false;
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}
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return std::wstring_view(displayName) == deviceName.viewGdiDeviceName;
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});
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if (path == paths.end()) {
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return false;
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}
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wprintf(L"Display not found or HDR not supported: %ls\n", displayName);
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return false;
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adapterId = path->sourceInfo.adapterId;
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targetId = path->targetInfo.id;
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return true;
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}
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bool getDisplayHDR(const LUID& adapterId, const uint32_t& targetId) {
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DISPLAYCONFIG_GET_ADVANCED_COLOR_INFO hdrInfo = {};
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hdrInfo.header.type = DISPLAYCONFIG_DEVICE_INFO_GET_ADVANCED_COLOR_INFO;
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hdrInfo.header.size = sizeof(hdrInfo);
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hdrInfo.header.adapterId = adapterId;
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hdrInfo.header.id = targetId;
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if (DisplayConfigGetDeviceInfo(&hdrInfo.header) != ERROR_SUCCESS) {
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return false;
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}
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return hdrInfo.advancedColorSupported && hdrInfo.advancedColorEnabled;
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}
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bool setDisplayHDR(const LUID& adapterId, const uint32_t& targetId, bool enableAdvancedColor) {
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DISPLAYCONFIG_SET_ADVANCED_COLOR_STATE setHdrInfo = {};
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setHdrInfo.header.type = DISPLAYCONFIG_DEVICE_INFO_SET_ADVANCED_COLOR_STATE;
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setHdrInfo.header.size = sizeof(setHdrInfo);
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setHdrInfo.header.adapterId = adapterId;
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setHdrInfo.header.id = targetId;
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setHdrInfo.enableAdvancedColor = enableAdvancedColor;
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return DisplayConfigSetDeviceInfo(&setHdrInfo.header) == ERROR_SUCCESS;
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}
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bool getDisplayHDRByName(const wchar_t* displayName) {
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LUID adapterId;
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uint32_t targetId;
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if (!findDisplayIds(displayName, adapterId, targetId)) {
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return false;
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}
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return getDisplayHDR(adapterId, targetId);
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}
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bool setDisplayHDRByName(const wchar_t* displayName, bool enableAdvancedColor) {
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LUID adapterId;
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uint32_t targetId;
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if (!findDisplayIds(displayName, adapterId, targetId)) {
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return false;
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}
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return setDisplayHDR(adapterId, targetId, enableAdvancedColor);
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}
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void closeVDisplayDevice() {
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@@ -25,7 +25,8 @@ namespace VDISPLAY {
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LONG changeDisplaySettings(const wchar_t* deviceName, int width, int height, int refresh_rate);
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std::wstring getPrimaryDisplay();
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bool setPrimaryDisplay(const wchar_t* primaryDeviceName);
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bool ensureDisplayHDR(const wchar_t* displayName);
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bool getDisplayHDRByName(const wchar_t* displayName);
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bool setDisplayHDRByName(const wchar_t* displayName, bool enableAdvancedColor);
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void closeVDisplayDevice();
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DRIVER_STATUS openVDisplayDevice();
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