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-rw-r--r--core/java/android/view/Surface.java11
-rw-r--r--core/java/android/view/WindowManager.java2
-rw-r--r--include/surfaceflinger/ISurfaceComposer.h2
-rw-r--r--include/ui/GraphicBuffer.h6
-rw-r--r--services/surfaceflinger/Layer.cpp8
-rw-r--r--services/surfaceflinger/Layer.h6
-rw-r--r--services/surfaceflinger/LayerBase.h12
-rw-r--r--services/surfaceflinger/LayerDim.h6
8 files changed, 47 insertions, 6 deletions
diff --git a/core/java/android/view/Surface.java b/core/java/android/view/Surface.java
index 0326a8f..83f9119 100644
--- a/core/java/android/view/Surface.java
+++ b/core/java/android/view/Surface.java
@@ -99,6 +99,17 @@ public class Surface implements Parcelable {
*/
public static final int OPAQUE = 0x00000400;
+ /**
+ * Application requires a hardware-protected path to an
+ * external display sink. If a hardware-protected path is not available,
+ * then this surface will not be displayed on the external sink.
+ *
+ * @hide
+ */
+ public static final int PROTECTED_APP = 0x00000800;
+
+ // 0x1000 is reserved for an independent DRM protected flag in framework
+
/** Creates a normal surface. This is the default. */
public static final int FX_SURFACE_NORMAL = 0x00000000;
diff --git a/core/java/android/view/WindowManager.java b/core/java/android/view/WindowManager.java
index 02e5b63..ca932e9 100644
--- a/core/java/android/view/WindowManager.java
+++ b/core/java/android/view/WindowManager.java
@@ -537,7 +537,7 @@ public interface WindowManager extends ViewManager {
public static final int FLAG_DITHER = 0x00001000;
/** Window flag: don't allow screen shots while this window is
- * displayed. */
+ * displayed. Maps to Surface.SECURE. */
public static final int FLAG_SECURE = 0x00002000;
/** Window flag: a special mode where the layout parameters are used
diff --git a/include/surfaceflinger/ISurfaceComposer.h b/include/surfaceflinger/ISurfaceComposer.h
index 56ed3a4..361e7dc 100644
--- a/include/surfaceflinger/ISurfaceComposer.h
+++ b/include/surfaceflinger/ISurfaceComposer.h
@@ -44,6 +44,8 @@ public:
eSecure = 0x00000080,
eNonPremultiplied = 0x00000100,
eOpaque = 0x00000400,
+ eProtectedByApp = 0x00000800,
+ eProtectedByDRM = 0x00001000,
eFXSurfaceNormal = 0x00000000,
eFXSurfaceBlur = 0x00010000,
diff --git a/include/ui/GraphicBuffer.h b/include/ui/GraphicBuffer.h
index 8b256f4..02d6f8f 100644
--- a/include/ui/GraphicBuffer.h
+++ b/include/ui/GraphicBuffer.h
@@ -54,9 +54,11 @@ public:
USAGE_SW_WRITE_RARELY = GRALLOC_USAGE_SW_WRITE_RARELY,
USAGE_SW_WRITE_OFTEN = GRALLOC_USAGE_SW_WRITE_OFTEN,
USAGE_SW_WRITE_MASK = GRALLOC_USAGE_SW_WRITE_MASK,
-
+
USAGE_SOFTWARE_MASK = USAGE_SW_READ_MASK|USAGE_SW_WRITE_MASK,
-
+
+ USAGE_PROTECTED = GRALLOC_USAGE_PROTECTED,
+
USAGE_HW_TEXTURE = GRALLOC_USAGE_HW_TEXTURE,
USAGE_HW_RENDER = GRALLOC_USAGE_HW_RENDER,
USAGE_HW_2D = GRALLOC_USAGE_HW_2D,
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 @@ Layer::Layer(SurfaceFlinger* flinger,
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 @@ status_t Layer::setBuffers( uint32_t w, uint32_t h,
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 @@ uint32_t Layer::getEffectiveUsage(uint32_t usage) const
// 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;
}
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 2908119..d9a8be3 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -79,6 +79,8 @@ public:
virtual bool needsDithering() const { return mNeedsDithering; }
virtual bool needsFiltering() const;
virtual bool isSecure() const { return mSecure; }
+ virtual bool isProtectedByApp() const { return mProtectedByApp; }
+ virtual bool isProtectedByDRM() const { return mProtectedByDRM; }
virtual sp<Surface> createSurface() const;
virtual status_t ditch();
virtual void onRemoved();
@@ -218,7 +220,9 @@ private:
bool mNeedsDithering;
// page-flip thread (currently main thread)
- bool mSecure;
+ bool mSecure; // no screenshots
+ bool mProtectedByApp; // application requires protected path to external sink
+ bool mProtectedByDRM; // DRM agent requires protected path to external sink
Region mPostedDirtyRegion;
// page-flip thread and transaction thread (currently main thread)
diff --git a/services/surfaceflinger/LayerBase.h b/services/surfaceflinger/LayerBase.h
index 8ed4749..184edd7 100644
--- a/services/surfaceflinger/LayerBase.h
+++ b/services/surfaceflinger/LayerBase.h
@@ -196,6 +196,18 @@ public:
*/
virtual bool isSecure() const { return false; }
+ /**
+ * isProtectedByApp - true if application says this surface is protected, that
+ * is if it requires a hardware-protected data path to an external sink.
+ */
+ virtual bool isProtectedByApp() const { return false; }
+
+ /**
+ * isProtectedByDRM - true if DRM agent says this surface is protected, that
+ * is if it requires a hardware-protected data path to an external sink.
+ */
+ virtual bool isProtectedByDRM() const { return false; }
+
/** Called from the main thread, when the surface is removed from the
* draw list */
virtual status_t ditch() { return NO_ERROR; }
diff --git a/services/surfaceflinger/LayerDim.h b/services/surfaceflinger/LayerDim.h
index f032314..a04a0c0 100644
--- a/services/surfaceflinger/LayerDim.h
+++ b/services/surfaceflinger/LayerDim.h
@@ -42,8 +42,10 @@ public:
virtual ~LayerDim();
virtual void onDraw(const Region& clip) const;
- virtual bool needsBlending() const { return true; }
- virtual bool isSecure() const { return false; }
+ virtual bool needsBlending() const { return true; }
+ virtual bool isSecure() const { return false; }
+ virtual bool isProtectedByApp() const { return false; }
+ virtual bool isProtectedByDRM() const { return false; }
virtual const char* getTypeId() const { return "LayerDim"; }
static void initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h);
generated by cgit v1.1 at 2025-08-15 23:28:25 +0000