Added basic input attachment sample

data/shaders/inputattachments/attachmentwrite.frag

@@ -0,0 +1,14 @@
+#version 450
+
+layout (location = 0) in vec3 inColor;
+
+layout (location = 0) out vec4 outSwapChainColor;
+layout (location = 1) out vec4 outColor;
+layout (location = 2) out float outDepth;
+
+void main() 
+{
+	outSwapChainColor = vec4(0.0);
+	outColor = vec4(inColor, 0.0);
+	outDepth = gl_FragDepth;
+}