Read prop for Skia tracing after boot
Mendel sets the sysprop after RenderEngine has been created, but before
boot finishes. Delay reading the sysprop until boot has finished so it
will get the correct value.
Rather thatn calling into Skia directly from SurfaceFlinger, pass the
boolean to RenderEngine, which now has an API that is implemented by
SkiaRenderEngine to turn on tracing inside Skia. This also allows us to
call the thread-unsafe method from the right thread.
Use FlagManager, which follows the normal path for setting Mendel flags
in SurfaceFlinger.
Bug: 204205165
Test: manual
Change-Id: Iba93ad6a4b51e336019a1c91dbfd10baafb6576f
diff --git a/libs/renderengine/include/renderengine/RenderEngine.h b/libs/renderengine/include/renderengine/RenderEngine.h
index faa84fc..3e7f69c 100644
--- a/libs/renderengine/include/renderengine/RenderEngine.h
+++ b/libs/renderengine/include/renderengine/RenderEngine.h
@@ -194,6 +194,8 @@
// Returns the tid of the renderengine thread if it's threaded, and std::nullopt otherwise
virtual std::optional<pid_t> getRenderEngineTid() const { return std::nullopt; }
+ virtual void setEnableTracing(bool /*tracingEnabled*/) {}
+
protected:
RenderEngine() : RenderEngine(RenderEngineType::GLES) {}
diff --git a/libs/renderengine/skia/SkiaRenderEngine.cpp b/libs/renderengine/skia/SkiaRenderEngine.cpp
index 29175a2..1fb24f5 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaRenderEngine.cpp
@@ -20,15 +20,15 @@
#include "SkiaRenderEngine.h"
-#include <android-base/properties.h>
#include <src/core/SkTraceEventCommon.h>
namespace android {
namespace renderengine {
namespace skia {
-SkiaRenderEngine::SkiaRenderEngine(RenderEngineType type) : RenderEngine(type) {
- SkAndroidFrameworkTraceUtil::setEnableTracing(
- base::GetBoolProperty(PROPERTY_SKIA_ATRACE_ENABLED, false));
+SkiaRenderEngine::SkiaRenderEngine(RenderEngineType type) : RenderEngine(type) {}
+
+void SkiaRenderEngine::setEnableTracing(bool tracingEnabled) {
+ SkAndroidFrameworkTraceUtil::setEnableTracing(tracingEnabled);
}
} // namespace skia
} // namespace renderengine
diff --git a/libs/renderengine/skia/SkiaRenderEngine.h b/libs/renderengine/skia/SkiaRenderEngine.h
index eb65e83..5d10b6f 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.h
+++ b/libs/renderengine/skia/SkiaRenderEngine.h
@@ -47,6 +47,7 @@
virtual int getContextPriority() override { return 0; }
virtual void assertShadersCompiled(int numShaders) {}
virtual int reportShadersCompiled() { return 0; }
+ virtual void setEnableTracing(bool tracingEnabled) override;
protected:
virtual void mapExternalTextureBuffer(const sp<GraphicBuffer>& /*buffer*/,
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.cpp b/libs/renderengine/threaded/RenderEngineThreaded.cpp
index a7176d3..203bb54 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.cpp
+++ b/libs/renderengine/threaded/RenderEngineThreaded.cpp
@@ -403,6 +403,18 @@
return std::make_optional(tidFuture.get());
}
+void RenderEngineThreaded::setEnableTracing(bool tracingEnabled) {
+ // This function is designed so it can run asynchronously, so we do not need to wait
+ // for the futures.
+ {
+ std::lock_guard lock(mThreadMutex);
+ mFunctionCalls.push([tracingEnabled](renderengine::RenderEngine& instance) {
+ ATRACE_NAME("REThreaded::setEnableTracing");
+ instance.setEnableTracing(tracingEnabled);
+ });
+ }
+ mCondition.notify_one();
+}
} // namespace threaded
} // namespace renderengine
} // namespace android
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.h b/libs/renderengine/threaded/RenderEngineThreaded.h
index 1ba72dd..1340902 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.h
+++ b/libs/renderengine/threaded/RenderEngineThreaded.h
@@ -67,6 +67,7 @@
bool supportsBackgroundBlur() override;
void onActiveDisplaySizeChanged(ui::Size size) override;
std::optional<pid_t> getRenderEngineTid() const override;
+ void setEnableTracing(bool tracingEnabled) override;
protected:
void mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer, bool isRenderable) override;