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author | Niklas Haas <git@haasn.xyz> | 2017-07-06 05:59:08 +0200 |
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committer | Niklas Haas <git@haasn.xyz> | 2017-07-06 05:59:08 +0200 |
commit | ef43854b3439907fa8bf77e25d450f3c71395218 (patch) | |
tree | 2fcfb8cd1e8662fb3f41ff26bb8c0f0e335a4937 /video | |
parent | 9e04018f920c6c8eed46a779af00f9543e6539d6 (diff) | |
download | mpv-ef43854b3439907fa8bf77e25d450f3c71395218.tar.bz2 mpv-ef43854b3439907fa8bf77e25d450f3c71395218.tar.xz |
vo_opengl: prevent division by zero in shader
In theory the max() should clamp it away anyway but I believe division
by zero is UB so just avoid it altogether.
Diffstat (limited to 'video')
-rw-r--r-- | video/out/opengl/video_shaders.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/video/out/opengl/video_shaders.c b/video/out/opengl/video_shaders.c index 995fbd2a1a..38d7939f96 100644 --- a/video/out/opengl/video_shaders.c +++ b/video/out/opengl/video_shaders.c @@ -532,7 +532,7 @@ static void pass_tone_map(struct gl_shader_cache *sc, float ref_peak, // Desaturate the color using a coefficient dependent on the brightness if (desat > 0 && ref_peak > desat) { - GLSLF("float overbright = max(0.0, (luma - %f) / luma);\n", desat); + GLSLF("float overbright = max(0.0, (luma - %f) / (luma + 1e-6));\n", desat); GLSL(color.rgb = mix(color.rgb, vec3(luma), overbright);) } |