commit 16f0453fee84c6aad59fe0d1c7d36f061d46cffc
author Glenn Kasten <gkasten@google.com> Wed Jan 19 15:27:27 2011 -0800
committer Glenn Kasten <gkasten@google.com> Fri Jan 28 08:04:00 2011 -0800
tree c707eb0827ca957b7448053a9894be53d62b6eee
parent b7d342c674e686706c3f1d88d662b9757f3af61d

Protected surface API

To be used by DRM framework, implemented by display HAL

Change-Id: I054a07a94f4d5dbe792f3a597e2e49a100d90eb2

services/surfaceflinger/Layer.cpp

diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 3730739..188686d 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -56,6 +56,8 @@
         mNeedsBlending(true),
         mNeedsDithering(false),
         mSecure(false),
+        mProtectedByApp(false),
+        mProtectedByDRM(false),
         mTextureManager(),
         mBufferManager(mTextureManager),
         mWidth(0), mHeight(0), mNeedsScaling(false), mFixedSize(false)
@@ -191,6 +193,8 @@
     mReqHeight = h;
 
     mSecure = (flags & ISurfaceComposer::eSecure) ? true : false;
+    mProtectedByApp = (flags & ISurfaceComposer::eProtectedByApp) ? true : false;
+    mProtectedByDRM = (flags & ISurfaceComposer::eProtectedByDRM) ? true : false;
     mNeedsBlending = (info.h_alpha - info.l_alpha) > 0 &&
             (flags & ISurfaceComposer::eOpaque) == 0;
 
@@ -476,6 +480,10 @@
         // request EGLImage for all buffers
         usage |= GraphicBuffer::USAGE_HW_TEXTURE;
     }
+    if (mProtectedByApp || mProtectedByDRM) {
+        // need a hardware-protected path to external video sink
+        usage |= GraphicBuffer::USAGE_PROTECTED;
+    }
     return usage;
 }