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Commit 8bc5dcd8 authored by John Reck's avatar John Reck
Browse files

Speed up HDR headroom transitions 

Bug: 292124102
Test: adjusting desired HDR headroom & observing results
Change-Id: Ie9d3ab697de0bd934bb5fa1b0f098056eed136ab
parent 57cca107

services/core/java/com/android/server/display/DisplayPowerController.java

+5 −0
Original line number Diff line number Diff line
@@ -1973,6 +1973,11 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call 
                        || !isDisplayContentVisible || brightnessIsTemporary;

                if (!skipAnimation && BrightnessSynchronizer.floatEquals(

                        sdrAnimateValue, currentSdrBrightness)) {

                    // SDR brightness is unchanged, so animate quickly as this is only impacting

                    // a likely minority amount of display content

                    // ie, the highlights of an HDR video or UltraHDR image

                    slowChange = false;



                    // Going from HDR to no HDR; visually this should be a "no-op" anyway

                    // as the remaining SDR content's brightness should be holding steady

                    // due to the sdr brightness not shifting

services/core/java/com/android/server/display/DisplayPowerController2.java

+5 −0
Original line number Diff line number Diff line
@@ -1598,6 +1598,11 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal 
                        || !isDisplayContentVisible || brightnessIsTemporary;

                if (!skipAnimation && BrightnessSynchronizer.floatEquals(

                        sdrAnimateValue, currentSdrBrightness)) {

                    // SDR brightness is unchanged, so animate quickly as this is only impacting

                    // a likely minority amount of display content

                    // ie, the highlights of an HDR video or UltraHDR image

                    slowChange = false;



                    // Going from HDR to no HDR; visually this should be a "no-op" anyway

                    // as the remaining SDR content's brightness should be holding steady

                    // due to the sdr brightness not shifting