Fix tacent lib using GIT_TAG to get the sse2 version of LibKTX. Print…

… the full GLAD version string as a help-mark in the About dialog -- the GLAD full version string was too long to comfortably fit in the dialog window.

CMakeLists.txt

@@ -57,7 +57,7 @@ FetchContent_Declare(
 	tacent
 	GIT_REPOSITORY https://github.com/bluescan/tacent.git
 	# GIT_TAG v0.8.17
-	# GIT_TAG ec86775e058e21461e0e2e5e995940744b6ecc57
+	GIT_TAG 7ac84ececd755d38eb42e24ec4e1b8bdeb5698c5
 )
 FetchContent_MakeAvailable(tacent)
 

Src/Dialogs.cpp

@@ -67,10 +67,11 @@ void Viewer::ShowAboutPopup(bool* popen)
 		ImGui::Text("Tacent Library V %d.%d.%d", tVersion::Major, tVersion::Minor, tVersion::Revision);
 		ImGui::Text("Dear ImGui V %s", IMGUI_VERSION);
 
-		// This way of getting the version is 'dynamic'. It will, for example, print mesa compatibility mode if it's being used.
-		ImGui::Text("GLAD V %s", glad_glGetString(GL_VERSION));
-		// This is the more 'static' way. Currently unused.
-		// ImGui::Text("GLAD V %d.%d", GLVersion.major, GLVersion.minor);
+		// This is the more 'static' way of getting the GLAD version. The full 'dynamic' version string can be quite
+		// long (especially in compatibility mode) and is presented with a help-mark (if user hovers over it).
+		ImGui::Text("GLAD V %d.%d", GLVersion.major, GLVersion.minor);
+		ImGui::SameLine();
+		Gutil::HelpMark((const char*)glad_glGetString(GL_VERSION));
 
 		ImGui::Text("GLFW V %d.%d.%d", glfwMajor, glfwMinor, glfwRev);
 		ImGui::Text("Ico Load");