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Diffstat (limited to 'video/out/gpu/video_shaders.c')
-rw-r--r-- | video/out/gpu/video_shaders.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/video/out/gpu/video_shaders.c b/video/out/gpu/video_shaders.c index 07ac0b940f..5fea739385 100644 --- a/video/out/gpu/video_shaders.c +++ b/video/out/gpu/video_shaders.c @@ -613,9 +613,10 @@ static void hdr_update_peak(struct gl_shader_cache *sc, GLSLF(" average += %f * (cur - average);\n", decay); // Scene change hysteresis - GLSLF(" float weight = smoothstep(%f, %f, abs(cur.x - average.x));\n", - (float) opts->scene_threshold_low / MP_REF_WHITE, - (float) opts->scene_threshold_high / MP_REF_WHITE); + float log_db = 10.0 / log(10.0); + GLSLF(" float weight = smoothstep(%f, %f, abs(log(cur.x / average.x)));\n", + opts->scene_threshold_low / log_db, + opts->scene_threshold_high / log_db); GLSL( average = mix(average, cur, weight);) // Reset SSBO state for the next frame |