Correct DPI on devices that apply extra scaling

4 years ago · d3a7c36d1d
1 changed files with 5 additions and 1 deletions
--- a/Source/controls/touch/gamepad.cpp
+++ b/Source/controls/touch/gamepad.cpp
@ -62,7 +62,11 @@ void InitializeVirtualGamepad()
 	if (SDL_GetDisplayDPI(displayIndex, nullptr, &hdpi, &vdpi) == 0) {
 		int clientWidth;
 		int clientHeight;
-		SDL_GetWindowSize(ghMainWnd, &clientWidth, &clientHeight);
+		if (renderer != nullptr)
+			SDL_GetRendererOutputSize(renderer, &clientWidth, &clientHeight);
+		else
+			SDL_GetWindowSize(ghMainWnd, &clientWidth, &clientHeight);
+
 		hdpi *= static_cast<float>(gnScreenWidth) / clientWidth;
 		vdpi *= static_cast<float>(gnScreenHeight) / clientHeight;