commit 1ec2fb56c51853898f64346adca218b7dd38a0fc
author Derek Sollenberger <djsollen@google.com> Wed Jun 16 15:11:27 2021 -0400
committer Derek Sollenberger <djsollen@google.com> Thu Jul 01 16:12:51 2021 -0400
tree 20b0ae9ba9d2fe2a16931fbb73124cdb39367367
parent 61cfde719b9dac7d718a0af72c3a8748d0f7ffe7

Enable RenderEngine context switching to be async.

Also in the case of a threaded RenderEngine we can avoid the
thread hop entirely by quickly returning if the GPU is already
in the correct state.

Bug: 192099706
Test: atest librenderengine_test
Change-Id: I316096ffd89960a1d3742edacdeb442626e9ee3e

libs/renderengine/threaded/RenderEngineThreaded.h

diff --git a/libs/renderengine/threaded/RenderEngineThreaded.h b/libs/renderengine/threaded/RenderEngineThreaded.h
index 9b523b2..f2f5c0f 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.h
+++ b/libs/renderengine/threaded/RenderEngineThreaded.h
@@ -53,7 +53,7 @@
 
     bool isProtected() const override;
     bool supportsProtectedContent() const override;
-    bool useProtectedContext(bool useProtectedContext) override;
+    void useProtectedContext(bool useProtectedContext) override;
     void cleanupPostRender() override;
 
     status_t drawLayers(const DisplaySettings& display,
@@ -100,6 +100,7 @@
      * Render Engine
      */
     std::unique_ptr<renderengine::RenderEngine> mRenderEngine;
+    std::atomic<bool> mIsProtected = false;
 };
 } // namespace threaded
 } // namespace renderengine