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Commit 425660ae authored by John Reck's avatar John Reck Committed by Automerger Merge Worker
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Fix brightness change during screenrotation am: 1dadaa6b 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/24108563



Change-Id: Ib77c172ae28c406cce8985061aae93df5ad92d8d
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 9b134973 1dadaa6b

services/surfaceflinger/SurfaceFlinger.cpp

+4 −1
Original line number Diff line number Diff line
@@ -7352,7 +7352,10 @@ ftl::SharedFuture<FenceResult> SurfaceFlinger::renderScreenImpl( 
                                      renderArea->getHintForSeamlessTransition());

            sdrWhitePointNits = state.sdrWhitePointNits;

            displayBrightnessNits = state.displayBrightnessNits;

            if (sdrWhitePointNits > 1.0f) {

            // Only clamp the display brightness if this is not a seamless transition. Otherwise

            // for seamless transitions it's important to match the current display state as the

            // buffer will be shown under these same conditions, and we want to avoid any flickers

            if (sdrWhitePointNits > 1.0f && !renderArea->getHintForSeamlessTransition()) {

                // Restrict the amount of HDR "headroom" in the screenshot to avoid over-dimming

                // the SDR portion. 2.0 chosen by experimentation

                constexpr float kMaxScreenshotHeadroom = 2.0f;