SurfaceFlinger: Disable rotation animation on Secondary displays

- Add support to set animating layer for HWCLayers
- After hwc_prepare, dont override the compType of a layer to
  HWC_FRAMEBUFFER if its for non-primary displays

Change-Id: Iac462778ce5fb9016290846146e62f80dcfafd5c
CRs-fixed: 922304

services/surfaceflinger/DisplayHardware/HWComposer.cpp

@@ -36,6 +36,9 @@
 
 #include <hardware/hardware.h>
 #include <hardware/hwcomposer.h>
+#ifdef QTI_BSP
+#include <exhwcomposer_defs.h>
+#endif
 
 #include <android/configuration.h>
 
@@ -692,13 +695,14 @@ status_t HWComposer::prepare() {
             disp.hasFbComp = false;
             disp.hasOvComp = false;
             if (disp.list) {
-                for (size_t i=0 ; i<disp.list->numHwLayers ; i++) {
-                    hwc_layer_1_t& l = disp.list->hwLayers[i];
+                for (size_t j=0 ; j<disp.list->numHwLayers ; j++) {
+                    hwc_layer_1_t& l = disp.list->hwLayers[j];
 
                     //ALOGD("prepare: %d, type=%d, handle=%p",
                     //        i, l.compositionType, l.handle);
 
-                    if (l.flags & HWC_SKIP_LAYER) {
+                    if ((i == DisplayDevice::DISPLAY_PRIMARY) &&
+                        l.flags & HWC_SKIP_LAYER) {
                         l.compositionType = HWC_FRAMEBUFFER;
                     }
                     if (l.compositionType == HWC_FRAMEBUFFER) {
@@ -987,6 +991,17 @@ public:
             }
         }
     }
+    virtual void setAnimating(bool animating) {
+        if (animating) {
+#ifdef QTI_BSP
+            getLayer()->flags |= HWC_SCREENSHOT_ANIMATOR_LAYER;
+#endif
+        } else {
+#ifdef QTI_BSP
+            getLayer()->flags &= ~HWC_SCREENSHOT_ANIMATOR_LAYER;
+#endif
+        }
+    }
     virtual void setDefaultState() {
         hwc_layer_1_t* const l = getLayer();
         l->compositionType = HWC_FRAMEBUFFER;

services/surfaceflinger/DisplayHardware/HWComposer.h

@@ -181,6 +181,7 @@ public:
         virtual void setAcquireFenceFd(int fenceFd) = 0;
         virtual void setPlaneAlpha(uint8_t alpha) = 0;
         virtual void onDisplayed() = 0;
+        virtual void setAnimating(bool animating)= 0;
     };
 
     /*