copied from the old Ppoject:

shaders,
object class
Modified to use better names and use Qt things

MeshViewerQt/Resources/TextureShader.frag

@@ -0,0 +1,12 @@
+#version 450
+
+// Input
+in vec2 UV;
+
+// Output
+out vec4 color;
+
+void main()
+{
+	color = texture(textureSampler, UV).rgb;
+}