Use configStore for maxVirtualDisplay Size

Test: Manual and AUPT
Change-Id: I17ec13f782a7c7c693d84d11c9b5e87624ee71d0
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index 3aab4cf..1b13ea9 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -73,12 +73,6 @@
     LOCAL_CFLAGS += -DRUNNING_WITHOUT_SYNC_FRAMEWORK
 endif
 
-ifneq ($(MAX_VIRTUAL_DISPLAY_DIMENSION),)
-    LOCAL_CFLAGS += -DMAX_VIRTUAL_DISPLAY_DIMENSION=$(MAX_VIRTUAL_DISPLAY_DIMENSION)
-else
-    LOCAL_CFLAGS += -DMAX_VIRTUAL_DISPLAY_DIMENSION=0
-endif
-
 LOCAL_CFLAGS += -fvisibility=hidden -Werror=format
 
 LOCAL_HEADER_LIBRARIES := \
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 6644bd9..23b7a45 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -267,12 +267,12 @@
         return NO_MEMORY;
     }
 
-    if (MAX_VIRTUAL_DISPLAY_DIMENSION != 0 &&
-        (width > MAX_VIRTUAL_DISPLAY_DIMENSION ||
-         height > MAX_VIRTUAL_DISPLAY_DIMENSION)) {
+    if (SurfaceFlinger::maxVirtualDisplaySize != 0 &&
+        (width > SurfaceFlinger::maxVirtualDisplaySize ||
+         height > SurfaceFlinger::maxVirtualDisplaySize)) {
         ALOGE("createVirtualDisplay: Can't create a virtual display with"
-                      " a dimension > %u (tried %u x %u)",
-              MAX_VIRTUAL_DISPLAY_DIMENSION, width, height);
+                      " a dimension > %" PRIu64 " (tried %u x %u)",
+              SurfaceFlinger::maxVirtualDisplaySize, width, height);
         return INVALID_OPERATION;
     }
 
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 5f1d16f..cfde375 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -99,6 +99,7 @@
 
 namespace android {
 
+
 using namespace android::hardware::configstore;
 using namespace android::hardware::configstore::V1_0;
 
@@ -115,6 +116,7 @@
 bool SurfaceFlinger::useContextPriority;
 int64_t SurfaceFlinger::dispSyncPresentTimeOffset;
 bool SurfaceFlinger::useHwcForRgbToYuv;
+uint64_t SurfaceFlinger::maxVirtualDisplaySize;
 
 SurfaceFlinger::SurfaceFlinger()
     :   BnSurfaceComposer(),
@@ -176,6 +178,9 @@
     useHwcForRgbToYuv = getBool< ISurfaceFlingerConfigs,
             &ISurfaceFlingerConfigs::useHwcForRGBtoYUV>(false);
 
+    maxVirtualDisplaySize = getUInt64<ISurfaceFlingerConfigs,
+            &ISurfaceFlingerConfigs::maxVirtualDisplaySize>(0);
+
     // debugging stuff...
     char value[PROPERTY_VALUE_MAX];
 
@@ -3243,6 +3248,7 @@
 
     result.appendFormat(" PRESENT_TIME_OFFSET=%" PRId64 , dispSyncPresentTimeOffset);
     result.appendFormat(" FORCE_HWC_FOR_RBG_TO_YUV=%d", useHwcForRgbToYuv);
+    result.appendFormat(" MAX_VIRT_DISPLAY_DIM=%" PRIu64, maxVirtualDisplaySize);
     result.append("]");
 }
 
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index e6ccc41..85b6f2a 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -105,7 +105,6 @@
 {
 public:
 
-
     // This is the phase offset in nanoseconds of the software vsync event
     // relative to the vsync event reported by HWComposer.  The software vsync
     // event is when SurfaceFlinger and Choreographer-based applications run each
@@ -142,6 +141,10 @@
     // GL composition.
     static bool useHwcForRgbToYuv;
 
+    // Maximum dimension supported by HWC for virtual display.
+    // Equal to min(max_height, max_width).
+    static uint64_t maxVirtualDisplaySize;
+
     static char const* getServiceName() ANDROID_API {
         return "SurfaceFlinger";
     }
diff --git a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
index 6f6c08b..c184cd2 100644
--- a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
+++ b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
@@ -114,6 +114,7 @@
 bool SurfaceFlinger::useContextPriority;
 int64_t SurfaceFlinger::dispSyncPresentTimeOffset;
 bool SurfaceFlinger::useHwcForRgbToYuv;
+uint64_t SurfaceFlinger::maxVirtualDisplaySize;
 
 SurfaceFlinger::SurfaceFlinger()
     :   BnSurfaceComposer(),
@@ -150,13 +151,17 @@
         mLastSwapTime(0),
         mNumLayers(0)
 {
+
+    ALOGI("SurfaceFlinger is starting");
+
     vsyncPhaseOffsetNs = getInt64< ISurfaceFlingerConfigs,
             &ISurfaceFlingerConfigs::vsyncEventPhaseOffsetNs>(1000000);
 
     sfVsyncPhaseOffsetNs = getInt64< ISurfaceFlingerConfigs,
             &ISurfaceFlingerConfigs::vsyncSfEventPhaseOffsetNs>(1000000);
 
-    ALOGI("SurfaceFlinger is starting");
+    maxVirtualDisplaySize = getUInt64<ISurfaceFlingerConfigs,
+            &ISurfaceFlingerConfigs::maxVirtualDisplaySize>(0);
 
     useContextPriority = getBool< ISurfaceFlingerConfigs,
             &ISurfaceFlingerConfigs::useContextPriority>(false);
@@ -1701,9 +1706,9 @@
                             ALOGE_IF(status != NO_ERROR,
                                     "Unable to query height (%d)", status);
                             if (mUseHwcVirtualDisplays &&
-                                    (MAX_VIRTUAL_DISPLAY_DIMENSION == 0 ||
-                                    (width <= MAX_VIRTUAL_DISPLAY_DIMENSION &&
-                                     height <= MAX_VIRTUAL_DISPLAY_DIMENSION))) {
+                                    (SurfaceFlinger::maxVirtualDisplaySize == 0 ||
+                                    (width <= static_cast<int>(SurfaceFlinger::maxVirtualDisplaySize) &&
+                                     height <= static_cast<int>(SurfaceFlinger::maxVirtualDisplaySize)))) {
                                 hwcDisplayId = allocateHwcDisplayId(state.type);
                             }
 
@@ -3015,6 +3020,7 @@
 
     result.appendFormat(" PRESENT_TIME_OFFSET=%" PRId64, dispSyncPresentTimeOffset);
     result.appendFormat(" FORCE_HWC_FOR_RBG_TO_YUV=%d", useHwcForRgbToYuv);
+    result.appendFormat(" MAX_VIRT_DISPLAY_DIM=%" PRIu64, maxVirtualDisplaySize);
     result.append("]");
 }