X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=footer.comp;h=c4d1305be8512bcb1c77e17b3e24ee2266dc5686;hp=16197a63200019396c20661bc0edbb8128fad206;hb=9527105a4958fa20f8d87d719a26b00cb000c0e8;hpb=beef8c4b242dd9e073f04b80539a10295417ced5

diff --git a/footer.comp b/footer.comp
index 16197a6..c4d1305 100644
--- a/footer.comp
+++ b/footer.comp
@@ -5,6 +5,10 @@
 #define SQUARE_ROOT_TRANSFORMATION 0
 #endif
 
+#ifndef FLIP_ORIGIN
+#define FLIP_ORIGIN 0
+#endif
+
 void main()
 {
 	INPUT();
@@ -22,9 +26,18 @@ void cs_output(uvec2 coord, vec4 val)
 
 void cs_output(ivec2 coord, vec4 val)
 {
+	// Run the value through any preprocessing steps we might have.
+	CS_OUTPUT_VAL = val;
+	val = CS_POSTPROC(vec2(0.0, 0.0));
+
 #if SQUARE_ROOT_TRANSFORMATION
 	// Make sure we don't give negative values to sqrt.
 	val.rgb = sqrt(max(val.rgb, 0.0));
 #endif
+
+#if FLIP_ORIGIN
+	coord.y = imageSize(outbuf).y - coord.y - 1;
+#endif
+
 	imageStore(outbuf, coord, val);
 }