sdm: add check for disabling external animation

In current design the flag passed from clients is used to
disable external animation. Refine this flag to two parts,
one is to indicate whether animation is present, another
is to check the system property and disable external
animation. So other functions can know the presence of
animation layers if necessary.

CRs-fixed: 1019601

Change-Id: Ib6ffb7a28d6935b86bc93abc82049b77b3ddcd08

sdm/include/utils/debug.h

@@ -76,6 +76,7 @@ class Debug {
   static bool IsScalarDisabled();
   static bool IsUbwcTiledFrameBuffer();
   static bool IsAVRDisabled();
+  static bool IsExtAnimDisabled();
   static bool GetProperty(const char *property_name, char *value);
   static bool SetProperty(const char *property_name, const char *value);
 

sdm/libs/hwc/hwc_display.cpp

@@ -109,6 +109,8 @@ int HWCDisplay::Init() {
   s3d_format_hwc_to_sdm_.insert(std::pair<int, LayerBufferS3DFormat>(HAL_3D_TOP_BOTTOM,
                                 kS3dFormatTopBottom));
 
+  disable_animation_ = Debug::IsExtAnimDisabled();
+
   return 0;
 }
 
@@ -737,9 +739,11 @@ int HWCDisplay::PostCommitLayerStack(hwc_display_contents_1_t *content_list) {
       // framebuffer layer throughout animation and do not allow framework to do eglswapbuffer on
       // framebuffer target. So graphics doesn't close the release fence fd of framebuffer target,
       // Hence close the release fencefd of framebuffer target here.
-      if (layer->composition == kCompositionGPUTarget && animating_) {
-        close(hwc_layer.releaseFenceFd);
-        hwc_layer.releaseFenceFd = -1;
+      if (disable_animation_) {
+        if (layer->composition == kCompositionGPUTarget && animating_) {
+          close(hwc_layer.releaseFenceFd);
+          hwc_layer.releaseFenceFd = -1;
+        }
       }
     }
 

sdm/libs/hwc/hwc_display.h

@@ -207,6 +207,7 @@ class HWCDisplay : public DisplayEventHandler {
   bool secure_display_active_ = false;
   bool skip_prepare_ = false;
   bool solid_fill_enable_ = false;
+  bool disable_animation_ = false;
   uint32_t solid_fill_color_ = 0;
   LayerRect display_rect_;
   std::map<int, LayerBufferS3DFormat> s3d_format_hwc_to_sdm_;

sdm/libs/utils/debug.cpp

@@ -154,6 +154,13 @@ bool Debug::IsAVRDisabled() {
   return (value == 1);
 }
 
+bool Debug::IsExtAnimDisabled() {
+  int value = 0;
+  debug_.debug_handler_->GetProperty("sys.disable_ext_animation", &value);
+
+  return (value == 1);
+}
+
 bool Debug::GetProperty(const char* property_name, char* value) {
   if (debug_.debug_handler_->GetProperty(property_name, value) != kErrorNone) {
     return false;