41 lines
1.7 KiB
Diff
41 lines
1.7 KiB
Diff
From c982ade7da4d434e0a779b003e6bfcc6141232b6 Mon Sep 17 00:00:00 2001
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From: Pierre-Hugues Husson <phh@phh.me>
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Date: Tue, 10 Mar 2020 23:26:55 +0100
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Subject: [PATCH 7/7] Use BKK's hwcomposer hacks to properly display FOD layers
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Insecure hack: Set FOD layers to magical Z values to trigger
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OPPO/Realme/Oneplus' whole blitter behaviours:
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- reports touch event to fingerprint driver
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- removes dim on touched layer
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---
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.../CompositionEngine/src/OutputLayer.cpp | 13 ++++++++++++-
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1 file changed, 12 insertions(+), 1 deletion(-)
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diff --git a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
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index 5ce72b087..23b29d6fd 100644
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--- a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
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+++ b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
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@@ -335,7 +335,18 @@ void OutputLayer::writeStateToHWC(bool includeGeometry) const {
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static_cast<int32_t>(error));
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}
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- if (auto error = hwcLayer->setZOrder(mState.z); error != HWC2::Error::None) {
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+ int z = mState.z;
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+ if(strstr(mLayerFE->getDebugName(), "Fingerprint on display") != nullptr) {
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+ ALOGE("Found fingerprint on display!");
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+ z = 0x41000031;
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+ }
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+
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+ if(strstr(mLayerFE->getDebugName(), "Fingerprint on display.touched") != nullptr) {
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+ ALOGE("Found fingerprint on display touched!");
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+ z = 0x41000033;
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+ }
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+
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+ if (auto error = hwcLayer->setZOrder(z); error != HWC2::Error::None) {
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ALOGE("[%s] Failed to set Z %u: %s (%d)", mLayerFE->getDebugName(), mState.z,
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to_string(error).c_str(), static_cast<int32_t>(error));
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}
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--
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2.17.1
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