X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=alpha_division_effect.frag;fp=alpha_division_effect.frag;h=6b5814806ce99fd4965be47cd5e9bb117fbbbacf;hp=0000000000000000000000000000000000000000;hb=caa05550e868db406e4b54e69d60b5573f59cb60;hpb=96591ba1b5bffa57724fa90e13d1f2cdc810ccd5

diff --git a/alpha_division_effect.frag b/alpha_division_effect.frag
new file mode 100644
index 0000000..6b58148
--- /dev/null
+++ b/alpha_division_effect.frag
@@ -0,0 +1,8 @@
+// Note: Division by zero will give inf or nan, whose conversion to
+// integer types is implementation-defined. However, anything is fine for
+// alpha=0, since that's undefined anyway.
+vec4 FUNCNAME(vec2 tc) {
+	vec4 x = INPUT(tc);
+	x.rgb /= x.aaa;	
+	return x;
+}