commit 5c6e46353676b4fd647317fde28c413d8ffe3565
author Chia-I Wu <olv@google.com> Thu Jan 11 08:54:38 2018 -0800
committer Chia-I Wu <olv@google.com> Mon Jan 22 12:18:24 2018 -0800
tree 7dfd0f945db8ab01ab1ebfd7cfa4079a04a6c58b
parent 131d3760a0437fac08ff4cc384640b7ca1802d17

surfaceflinger: always advertise HDR10 when wide color is available

For HWC that already adversises HDR10 support, this has no effect.
Otherwise, SurfaceFlinger will insert HDR10 into HdrCapabilities
when wide color is supported.

SurfaceFlinger simulates HDR10 support by switching the color mode
to DISPLAY_P3 and forcing client composition for HDR10 layers.  It
also has a special path to treat RGBA_1010102/BT2020_PQ as
Y410/BT2020_PQ in RenderEngine when the buffer is from media.

Test: manual
Change-Id: Ib5f18e0100f5610ee65218108bdb9843baccbe98

services/surfaceflinger/BufferLayerConsumer.cpp

diff --git a/services/surfaceflinger/BufferLayerConsumer.cpp b/services/surfaceflinger/BufferLayerConsumer.cpp
index 8f5c9c7..4d9b43f 100644
--- a/services/surfaceflinger/BufferLayerConsumer.cpp
+++ b/services/surfaceflinger/BufferLayerConsumer.cpp
@@ -68,6 +68,7 @@
         mCurrentFrameNumber(0),
         mCurrentTransformToDisplayInverse(false),
         mCurrentSurfaceDamage(),
+        mCurrentApi(0),
         mDefaultWidth(1),
         mDefaultHeight(1),
         mFilteringEnabled(true),
@@ -346,6 +347,7 @@
     mCurrentFrameNumber = item.mFrameNumber;
     mCurrentTransformToDisplayInverse = item.mTransformToDisplayInverse;
     mCurrentSurfaceDamage = item.mSurfaceDamage;
+    mCurrentApi = item.mApi;
 
     computeCurrentTransformMatrixLocked();
 
@@ -469,6 +471,11 @@
     return mCurrentSurfaceDamage;
 }
 
+int BufferLayerConsumer::getCurrentApi() const {
+    Mutex::Autolock lock(mMutex);
+    return mCurrentApi;
+}
+
 sp<GraphicBuffer> BufferLayerConsumer::getCurrentBuffer(int* outSlot) const {
     Mutex::Autolock lock(mMutex);