SurfaceFlinger: Native changes to add blur effect

Native changes to add blur-behind and blur mask effect

Change-Id: I54faf82d750e8299de6d261f6a893ab26d08df84

SurfaceFlinger: Adding template for LayerBlur files

Change-Id: I444009113b7bdd6c5284863fd1f56358e67d9fe6

SurfaceFlinger: Featurize libuiblur module for OSS build

Change-Id: Ifdc176e699434125d17b111c044b8ba954cf717c

1 files changed, 11 insertions, 0 deletions

diff --git a/services/surfaceflinger/RenderEngine/Description.cpp b/services/surfaceflinger/RenderEngine/Description.cpp
index 0dab872..14607ca 100644
--- a/services/surfaceflinger/RenderEngine/Description.cpp
+++ b/services/surfaceflinger/RenderEngine/Description.cpp
@@ -33,6 +33,8 @@ Description::Description() :
     mOpaque = true;
     mTextureEnabled = false;
     mColorMatrixEnabled = false;
+    mMaskTextureEnabled = false;
+    mMaskAlphaThreshold = 0.0f;
 
     memset(mColor, 0, sizeof(mColor));
 }
@@ -92,5 +94,14 @@ const mat4& Description::getColorMatrix() const {
     return mColorMatrix;
 }
 
+void Description::setMasking(const Texture& maskTexture, float alphaThreshold) {
+    mMaskTexture = maskTexture;
+    mMaskTextureEnabled = true;
+    mMaskAlphaThreshold = alphaThreshold;
+}
+
+void Description::disableMasking() {
+    mMaskTextureEnabled = false;
+}
 
 } /* namespace android */