From ae5e550f81d8e714b985dc475561b2bfd81ee06e Mon Sep 17 00:00:00 2001 From: Dan Stoza Date: Fri, 9 Sep 2016 13:53:52 -0700 Subject: [PATCH] Remove DispSync default value/docs Moves DispSync phase offset default values and documentation to frameworks/native/services/surfaceflinger/Android.mk. Bug: 30801895 Change-Id: I44a4355b2d112561b94ccfc6e9c3365885c205ad --- target/board/generic/BoardConfig.mk | 22 ---------------------- 1 file changed, 22 deletions(-) diff --git a/target/board/generic/BoardConfig.mk b/target/board/generic/BoardConfig.mk index 325b0ceeb..02c1c8887 100644 --- a/target/board/generic/BoardConfig.mk +++ b/target/board/generic/BoardConfig.mk @@ -45,28 +45,6 @@ BUILD_EMULATOR_OPENGL := true # the GLES renderer disables itself if host GL acceleration isn't available. USE_OPENGL_RENDERER := true -# Set the phase offset of the system's vsync event relative to the hardware -# vsync. The system's vsync event drives Choreographer and SurfaceFlinger's -# rendering. This value is the number of nanoseconds after the hardware vsync -# that the system vsync event will occur. -# -# This phase offset allows adjustment of the minimum latency from application -# wake-up (by Choregographer) time to the time at which the resulting window -# image is displayed. This value may be either positive (after the HW vsync) -# or negative (before the HW vsync). Setting it to 0 will result in a -# minimum latency of two vsync periods because the app and SurfaceFlinger -# will run just after the HW vsync. Setting it to a positive number will -# result in the minimum latency being: -# -# (2 * VSYNC_PERIOD - (vsyncPhaseOffsetNs % VSYNC_PERIOD)) -# -# Note that reducing this latency makes it more likely for the applications -# to not have their window content image ready in time. When this happens -# the latency will end up being an additional vsync period, and animations -# will hiccup. Therefore, this latency should be tuned somewhat -# conservatively (or at least with awareness of the trade-off being made). -VSYNC_EVENT_PHASE_OFFSET_NS := 0 - TARGET_USERIMAGES_USE_EXT4 := true BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1879048192 # 1.75 GB BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800 -- 2.11.0