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-rw-r--r--progs/glsl/noise.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/progs/glsl/noise.c b/progs/glsl/noise.c
index 9da71ac775..bd8f50036b 100644
--- a/progs/glsl/noise.c
+++ b/progs/glsl/noise.c
@@ -30,6 +30,7 @@ static const char *FragShaderText =
" vec4 p;\n"
" p.xy = gl_TexCoord[0].xy;\n"
" p.z = Slice;\n"
+ " p.w = 0;\n"
" vec4 n = noise4(p * scale);\n"
" gl_FragColor = n * Scale + Bias;\n"
"}\n";