commit a3b93856965be7a58f6c6c8367d9f21b07cf8468
author Siddharth Kapoor <ksiddharth@google.com> Thu Dec 06 20:25:23 2018 -0800
committer android-build-merger <android-build-merger@google.com> Thu Dec 06 20:25:23 2018 -0800
tree c64dd2e82ab28d9853e477258da7db6e7a51558c
parent d1b8b46e028f4cda74fa14323f0e6714e1401a51
parent 582131a7cf94044a8bd3fffe73e1c81b58736254

[RenderEngine] Clamp input color for BT2020_PQ EOTF am: ac1f7c9c50
am: 582131a7cf

Change-Id: I0846bb3f215ea70cd2c81cac332da2fcb25ec037

libs/renderengine/gl/ProgramCache.cpp

diff --git a/libs/renderengine/gl/ProgramCache.cpp b/libs/renderengine/gl/ProgramCache.cpp
index d0916ad..41870d2 100644
--- a/libs/renderengine/gl/ProgramCache.cpp
+++ b/libs/renderengine/gl/ProgramCache.cpp
@@ -215,7 +215,7 @@
                     const highp float c2 = (2413.0 / 4096.0) * 32.0;
                     const highp float c3 = (2392.0 / 4096.0) * 32.0;
 
-                    highp vec3 tmp = pow(color, 1.0 / vec3(m2));
+                    highp vec3 tmp = pow(clamp(color, 0.0, 1.0), 1.0 / vec3(m2));
                     tmp = max(tmp - c1, 0.0) / (c2 - c3 * tmp);
                     return pow(tmp, 1.0 / vec3(m1));
                 }