SurfaceFlinger: add support for secure displays

This change adds support for displays that are not allowed to display surfaces
with the eSecure flag set.  All non-virtual displays are considered secure,
while virtual displays have their secure-ness specified at creation time.

Bug: 7368436
Change-Id: I81ad535d2d1e5a7ff78269017e85b111f0098500

1 files changed, 7 insertions, 5 deletions

diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 8586ed2184..80dd6ee96a 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -131,7 +131,7 @@ class Composer : public Singleton<Composer>
     DisplayState& getDisplayStateLocked(const sp<IBinder>& token);
 
 public:
-    sp<IBinder> createDisplay(const String8& displayName);
+    sp<IBinder> createDisplay(const String8& displayName, bool secure);
     sp<IBinder> getBuiltInDisplay(int32_t id);
 
     status_t setPosition(const sp<SurfaceComposerClient>& client, SurfaceID id,
@@ -175,8 +175,9 @@ ANDROID_SINGLETON_STATIC_INSTANCE(Composer);
 
 // ---------------------------------------------------------------------------
 
-sp<IBinder> Composer::createDisplay(const String8& displayName) {
-    return ComposerService::getComposerService()->createDisplay(displayName);
+sp<IBinder> Composer::createDisplay(const String8& displayName, bool secure) {
+    return ComposerService::getComposerService()->createDisplay(displayName,
+            secure);
 }
 
 sp<IBinder> Composer::getBuiltInDisplay(int32_t id) {
@@ -459,8 +460,9 @@ sp<SurfaceControl> SurfaceComposerClient::createSurface(
     return result;
 }
 
-sp<IBinder> SurfaceComposerClient::createDisplay(const String8& displayName) {
-    return Composer::getInstance().createDisplay(displayName);
+sp<IBinder> SurfaceComposerClient::createDisplay(const String8& displayName,
+        bool secure) {
+    return Composer::getInstance().createDisplay(displayName, secure);
 }
 
 sp<IBinder> SurfaceComposerClient::getBuiltInDisplay(int32_t id) {