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libgralloc: disable UBWC for video encoder usecase

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check for target specific system property "video.disable.ubwc"
to disable UBWC for the targets where encoder doesn't
support UBWC color-format.

Change-Id: Ifd050c3b44768870fc74a16e941e8286e3ea0c13
This commit is contained in:
Manikanta Kanamarlapudi
2016-02-03 17:49:55 +05:30
committed by Gerrit - the friendly Code Review server
parent 937c5da928
commit cb44d976a0
2 changed files with 16 additions and 0 deletions
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9
libgralloc/alloc_controller.cpp
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@@ -413,6 +413,10 @@ IAllocController* IAllocController::getInstance(void)
IonController::IonController()
{
allocateIonMem();
char property[PROPERTY_VALUE_MAX];
property_get("video.disable.ubwc", property, "0");
mDisableUBWCForEncode = atoi(property);
}
void IonController::allocateIonMem()
@@ -906,6 +910,11 @@ bool isUBwcEnabled(int format, int usage)
if (isUBwcFormat(format))
return true;
if ((usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) &&
gralloc::IAllocController::getInstance()->isDisableUBWCForEncoder()) {
return false;
}
// Allow UBWC, if an OpenGL client sets UBWC usage flag and GPU plus MDP
// support the format. OR if a non-OpenGL client like Rotator, sets UBWC
// usage flag and MDP supports the format.