From 88eca95208b7510196bcbc8a9fdcf11653aa3506 Mon Sep 17 00:00:00 2001 From: Ptolemy Date: Mon, 27 Apr 2020 15:30:54 -0700 Subject: SL-12971: Add logging of Display Devices -- useful on dual GPU machines --- indra/llwindow/llwindowwin32.cpp | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'indra') diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp index 3c69aa98c4..4a13c73c8c 100644 --- a/indra/llwindow/llwindowwin32.cpp +++ b/indra/llwindow/llwindowwin32.cpp @@ -676,6 +676,37 @@ LLWindowWin32::LLWindowWin32(LLWindowCallbacks* callbacks, // TrackMouseEvent( &track_mouse_event ); // } + // SL-12971 dual GPU display + DISPLAY_DEVICEA display_device; + int display_index = -1; + DWORD display_flags = 0; // EDD_GET_DEVICE_INTERFACE_NAME ? + const size_t display_bytes = sizeof(display_device); + + do + { + if (display_index >= 0) + { + // CHAR DeviceName [ 32] Adapter name + // CHAR DeviceString[128] + CHAR text[256]; + + size_t name_len = strlen(display_device.DeviceName ); + size_t desc_len = strlen(display_device.DeviceString); + + CHAR *name = name_len ? display_device.DeviceName : "???"; + CHAR *desc = desc_len ? display_device.DeviceString : "???"; + + sprintf(text, "Display Device %d: %s, %s", display_index, name, desc); + LL_INFOS("Window") << text << LL_ENDL; + } + + ::ZeroMemory(&display_device,display_bytes); + display_device.cb = display_bytes; + + display_index++; + } while( EnumDisplayDevicesA(NULL, display_index, &display_device, display_flags )); + + LL_INFOS("Window") << "Total Display Devices: " << display_index << LL_ENDL; //----------------------------------------------------------------------- // Create GL drawing context -- cgit v1.2.3