X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=header.comp;h=dc2fd089441622632e23c1bb53a236ef045b6eea;hb=0323e7512fd7e3402ca6c5da7b30ce7bb007a060;hp=d922e33efedaaf511f61a9406a1b6bf6a8db7a51;hpb=5e771df1523ea3f7926c0b5a115c29d134c53f11;p=movit

diff --git a/header.comp b/header.comp
index d922e33..dc2fd08 100644
--- a/header.comp
+++ b/header.comp
@@ -1,6 +1,7 @@
 #version 150
 #extension GL_ARB_compute_shader : enable
 #extension GL_ARB_shader_image_load_store : enable
+#extension GL_ARB_shader_image_size : enable
 
 // FIXME this needs to be auto-output or something
 uniform restrict writeonly image2D outbuf;
@@ -10,4 +11,8 @@ 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)