surfaceflinger: Add support for Exynos HWC services

Change-Id: I600e946a22064d64549e266c5a3cf452d0cf6299

2 files changed, 50 insertions, 0 deletions

diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index 0bbdac0..25fa503 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -132,6 +132,24 @@ ifeq ($(TARGET_USES_QCOM_BSP), true)
         ExSurfaceFlinger/ExHWComposer.cpp
 endif
 
+ifeq ($(BOARD_USES_HWC_SERVICES), true)
+    LOCAL_CFLAGS += -DUSES_HWC_SERVICES
+    LOCAL_SHARED_LIBRARIES += libExynosHWCService
+    LOCAL_C_INCLUDES += \
+        $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include \
+        $(TOP)/hardware/samsung_slsi-$(TARGET_SLSI_VARIANT)/$(TARGET_BOARD_PLATFORM)/libhwcService \
+        $(TOP)/hardware/samsung_slsi-$(TARGET_SLSI_VARIANT)/$(TARGET_BOARD_PLATFORM)/include \
+        $(TOP)/hardware/samsung_slsi-$(TARGET_SLSI_VARIANT)/$(TARGET_SOC)/include \
+        $(TOP)/hardware/samsung_slsi-$(TARGET_SLSI_VARIANT)/$(TARGET_SOC)/libhwcmodule \
+        $(TOP)/hardware/samsung_slsi-$(TARGET_SLSI_VARIANT)/exynos/libhwc \
+        $(TOP)/hardware/samsung_slsi-$(TARGET_SLSI_VARIANT)/exynos/include \
+        $(TOP)/hardware/samsung_slsi-$(TARGET_SLSI_VARIANT)/exynos/libexynosutils \
+        $(TOP)/system/core/libsync/include
+
+LOCAL_ADDITIONAL_DEPENDENCIES := \
+        $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
+endif
+
 LOCAL_MODULE := libsurfaceflinger
 
 LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 3070e45..441bad8 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -83,6 +83,10 @@
 #include <cutils/compiler.h>
 #include "DisplayUtils.h"
 
+#ifdef USES_HWC_SERVICES
+#include "ExynosHWCService.h"
+#endif
+
 #define DISPLAY_COUNT       1
 
 /*
@@ -131,6 +135,10 @@ static sp<Layer> lastSurfaceViewLayer;
 
 // ---------------------------------------------------------------------------
 
+#ifdef USES_HWC_SERVICES
+static bool notifyPSRExit = true;
+#endif
+
 SurfaceFlinger::SurfaceFlinger()
     :   BnSurfaceComposer(),
         mTransactionFlags(0),
@@ -313,6 +321,14 @@ void SurfaceFlinger::bootFinished()
     // formerly we would just kill the process, but we now ask it to exit so it
     // can choose where to stop the animation.
     property_set("service.bootanim.exit", "1");
+
+#ifdef USES_HWC_SERVICES
+    sp<IServiceManager> sm = defaultServiceManager();
+    sp<android::IExynosHWCService> hwc =
+        interface_cast<android::IExynosHWCService>(sm->getService(String16("Exynos.HWCService")));
+    ALOGD("boot finished. Inform HWC");
+    hwc->setBootFinished();
+#endif
 }
 
 void SurfaceFlinger::deleteTextureAsync(uint32_t texture) {
@@ -799,6 +815,19 @@ void SurfaceFlinger::signalTransaction() {
 }
 
 void SurfaceFlinger::signalLayerUpdate() {
+#ifdef USES_HWC_SERVICES
+    if (notifyPSRExit) {
+        notifyPSRExit = false;
+        sp<IServiceManager> sm = defaultServiceManager();
+        sp<IExynosHWCService> hwcService =
+            interface_cast<android::IExynosHWCService>(
+                sm->getService(String16("Exynos.HWCService")));
+        if (hwcService != NULL)
+            hwcService->notifyPSRExit();
+        else
+            ALOGE("HWCService::notifyPSRExit failed");
+    }
+#endif
     mEventQueue.invalidate();
 }
 
@@ -983,6 +1012,9 @@ void SurfaceFlinger::handleMessageRefresh() {
         doDebugFlashRegions();
         doComposition();
         postComposition();
+#ifdef USES_HWC_SERVICES
+        notifyPSRExit = true;
+#endif
     }
 
     previousExpectedPresent = mPrimaryDispSync.computeNextRefresh(0);