From aab3833328ba1032eef7cd2438c99917a04049c2 Mon Sep 17 00:00:00 2001
From: codeworkx <daniel.hillenbrand@codeworkx.de>
Date: Sun, 22 Oct 2017 21:28:30 +0200
Subject: msm8996-common: libshims: properly shim DisplayEventReceiver for
 ZEUSIS Algo

Change-Id: I33b3eff27c730d10c636fd0014137d03810aeba0
---
 libshims/camera_shim.cpp | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

(limited to 'libshims/camera_shim.cpp')

diff --git a/libshims/camera_shim.cpp b/libshims/camera_shim.cpp
index ec8b580..68e8ccc 100644
--- a/libshims/camera_shim.cpp
+++ b/libshims/camera_shim.cpp
@@ -16,8 +16,18 @@
 
 #include <string>
 
+#include <utils/Errors.h>
+
 #include <ui/GraphicBuffer.h>
 
+#include "gui/DisplayEventReceiver.h"
+#include <gui/IDisplayEventConnection.h>
+#include <gui/ISurfaceComposer.h>
+
+#include <private/gui/ComposerService.h>
+
+#include <private/gui/BitTube.h>
+
 extern "C" void _ZN7android13GraphicBufferC1EjjijjjP13native_handleb(
         const native_handle_t* handle,
         android::GraphicBuffer::HandleWrapMethod method,
@@ -43,8 +53,18 @@ extern "C" void _ZN7android13GraphicBufferC1EjjijjP13native_handleb(
         inFormat, static_cast<uint32_t>(1), static_cast<uint64_t>(inUsage), inStride);
 }
 
-extern "C" void _ZN7android20DisplayEventReceiverC1ENS_16ISurfaceComposer11VsyncSourceE();
+namespace android {
 
-extern "C" void _ZN7android20DisplayEventReceiverC1Ev() {
-    _ZN7android20DisplayEventReceiverC1ENS_16ISurfaceComposer11VsyncSourceE();
+DisplayEventReceiver::DisplayEventReceiver() {
+    status_t err;
+    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+    if (sf != NULL) {
+        mEventConnection = sf->createDisplayEventConnection(ISurfaceComposer::eVsyncSourceApp);
+        if (mEventConnection != NULL) {
+            mDataChannel = std::make_unique<gui::BitTube>();
+            err = mEventConnection->stealReceiveChannel(mDataChannel.get());
+        }
+    }
 }
+
+}; // namespace android
-- 
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