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Commit 7de4e66d authored by John Reck's avatar John Reck Committed by Automerger Merge Worker
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Merge "Use highp to avoid float overflow in expression" am: a910a7f0 am: 5b007cc9 

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2146965



Change-Id: I2f2c946df48e253548d25ac25a28fa327fc9d666
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 4ab06a6f 5b007cc9

media/libstagefright/renderfright/gl/ProgramCache.cpp

+5 −1
Original line number Diff line number Diff line
@@ -374,7 +374,11 @@ void ProgramCache::generateToneMappingProcess(Formatter& fs, const Key& needs) { 
                                    return color * slope;

                                } else if (nits < x1) {

                                    // scale [x0, x1] to [y0, y1] linearly

                                    float slope = (y1 - y0) / (x1 - x0);

                                    // Use highp since some compilers may do this

                                    // operation as reciprocal multiplication with

                                    // re-association that could exceed the range

                                    // of mediump float.

                                    highp float slope = (y1 - y0) / (x1 - x0);

                                    nits = y0 + (nits - x0) * slope;

                                } else if (nits < x2) {

                                    // scale [x1, x2] to [y1, y2] using Hermite interp