commit 2f8a13e96695185e1d52dac160cf37bcee4799a9
author Dileep Kumar Reddi <dkumarre@codeaurora.org> Thu Mar 26 18:01:23 2015 +0530
committer Dileep Kumar Reddi <dkumarre@codeaurora.org> Thu Mar 26 18:01:23 2015 +0530
tree ae92508b04aa0b97fcbbbb93ff6e5eaf550f394a
parent 416705e0b95c067595d29a47d312944d491e78c6

hwc: Do not use ABC when geometry is changing

When ROI of both layers changing, using ABC may result
flickers in some corner cases.

Change-Id: Ifdc3a95066cd7b54e3ea0c14ce1ac420bd9f8b05

libhwcomposer/hwc_copybit.cpp

diff --git a/libhwcomposer/hwc_copybit.cpp b/libhwcomposer/hwc_copybit.cpp
index 7244562..5a9caec 100644
--- a/libhwcomposer/hwc_copybit.cpp
+++ b/libhwcomposer/hwc_copybit.cpp
@@ -453,6 +453,7 @@
     if(hnd && fbhnd && (hnd->size == fbhnd->size) &&
     (hnd->width == fbhnd->width) && (hnd->height == fbhnd->height)){
        if(tmpLayer->transform  ||
+        (list->flags & HWC_GEOMETRY_CHANGED) ||
        (!(hnd->format == HAL_PIXEL_FORMAT_RGBA_8888 ||
        hnd->format == HAL_PIXEL_FORMAT_RGBX_8888))  ||
                    (needsScaling(tmpLayer) == true)) {