1 files changed, 16 insertions, 0 deletions
diff --git a/shaders/cairo-gl/6.frag b/shaders/cairo-gl/6.frag
new file mode 100644
index 0000000..1b53343
--- /dev/null
+++ b/shaders/cairo-gl/6.frag
@@ -0,0 +1,16 @@
+uniform vec4 source_constant;
+vec4 get_source()
+{
+    return source_constant;
+}
+uniform sampler2D mask_sampler;
+varying vec2 mask_texcoords;
+vec4 get_mask()
+{
+    return texture2D(mask_sampler, mask_texcoords);
+}
+void main()
+{
+    gl_FragColor = get_source().a * get_mask();
+}
+