Support chaining certain effects after compute shaders.

[movit] / header.comp

diff --git a/header.comp b/header.comp
index d922e33efedaaf511f61a9406a1b6bf6a8db7a51..3c07007c5f3c8fe2b0524ac3049b379866b3fb06 100644 (file)
--- a/header.comp
+++ b/header.comp
@@ -10,4 +10,8 @@ vec4 tex2D(sampler2D s, vec2 coord);
 void cs_output(uvec2 coord, vec4 val);
 void cs_output(ivec2 coord, vec4 val);
 
+// Used if there are any steps used to postprocess compute shader output.
+// Initialized due to https://bugs.freedesktop.org/show_bug.cgi?id=103895.
+vec4 CS_OUTPUT_VAL = vec4(0.0);
+
 #define OUTPUT(tc, val) cs_output(tc, val)