diff --git a/shader/texture2D/alphaDivide.frag b/shader/texture2D/alphaDivide.frag
new file mode 100644
index 000000000..c09d79bd4
--- /dev/null
+++ b/shader/texture2D/alphaDivide.frag
@@ -0,0 +1,9 @@
+#version 450 core
+in vec2 vTexPos;
+out vec4 fColor;
+layout(binding = 0) uniform sampler2D tex;
+void main()
+{
+    vec4 incol = texture(tex, vTexPos);
+    fColor = vec4( incol.xyz / incol.w, 1);
+}
diff --git a/shader/texture2D/alphaDivide.vert b/shader/texture2D/alphaDivide.vert
new file mode 100644
index 000000000..066695822
--- /dev/null
+++ b/shader/texture2D/alphaDivide.vert
@@ -0,0 +1,8 @@
+#version 450 core
+layout(location = 0) in vec2 position;
+layout(location = 1) in vec2 texpos;
+out vec2 vTexPos;
+void main() {
+  gl_Position = vec4(position, 0, 1);
+  vTexPos = texpos;
+}