From 2abf20b2b2287150751c4e60f0eec818ade5fe73 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Fri, 3 Nov 2017 11:49:17 +0100
Subject: [PATCH] vo_gpu: fix mobius tone mapping compatibility to GLSL 120

Normally such code is didsabled by have_mglsl==false in
check_gl_features(), but apparently not this one.

Just fix it. Seems also more readable.

Fixes #5069.
---
 video/out/gpu/video_shaders.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/video/out/gpu/video_shaders.c b/video/out/gpu/video_shaders.c
index 7081a10fef..02f27b1bdb 100644
--- a/video/out/gpu/video_shaders.c
+++ b/video/out/gpu/video_shaders.c
@@ -627,7 +627,7 @@ static void pass_tone_map(struct gl_shader_cache *sc, float ref_peak,
         GLSLF("float b = (j*j - 2.0*j*sig_peak + sig_peak) / "
               "max(1e-6, sig_peak - 1.0);\n");
         GLSLF("float scale = (b*b + 2.0*b*j + j*j) / (b-a);\n");
-        GLSL(sig = mix(sig, scale * (sig + a) / (sig + b), sig > j);)
+        GLSL(sig = sig > j ? scale * (sig + a) / (sig + b) : sig;)
         break;
 
     case TONE_MAPPING_REINHARD: {