Started work on a text overlay rendering example using a separate render pass for drawing on top of the current framebuffer

data/shaders/textoverlay/text.frag

@@ -0,0 +1,13 @@
+#version 450 core
+
+layout (location = 0) in vec2 inUV;
+
+layout (binding = 0) uniform sampler2D samplerFont;
+
+layout (location = 0) out vec4 outFragColor;
+
+void main(void)
+{
+	float color = texture(samplerFont, inUV).r;
+	outFragColor = vec4(vec3(color), 1.0);
+}