First patch for async renderengine.
1. return a std::future object from DrawLayers() instead to make it
asynchronously
2. retire drawFence value from drawLayers() parameter list.
Bug: 180657548
Test: android.hardware.graphics.composer@2.2-vts, libcompositionengine_test, libsurfaceflinger_unittest and
librenderengine_test pass
Change-Id: If63c11762d1cce7b053cc72aaeaed6dd7904877f
diff --git a/libs/renderengine/RenderEngine.cpp b/libs/renderengine/RenderEngine.cpp
index 0c5a851..2174df5 100644
--- a/libs/renderengine/RenderEngine.cpp
+++ b/libs/renderengine/RenderEngine.cpp
@@ -95,5 +95,16 @@
"output buffer not gpu writeable");
}
+std::future<RenderEngineResult> RenderEngine::drawLayers(
+ const DisplaySettings& display, const std::vector<const LayerSettings*>& layers,
+ const std::shared_ptr<ExternalTexture>& buffer, const bool useFramebufferCache,
+ base::unique_fd&& bufferFence) {
+ const auto resultPromise = std::make_shared<std::promise<RenderEngineResult>>();
+ std::future<RenderEngineResult> resultFuture = resultPromise->get_future();
+ drawLayersInternal(std::move(resultPromise), display, layers, buffer, useFramebufferCache,
+ std::move(bufferFence));
+ return resultFuture;
+}
+
} // namespace renderengine
} // namespace android