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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/layers/composite/FrameUniformityData.h
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Add m-esr52 at 52.6.0
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diff --git a/gfx/layers/composite/FrameUniformityData.h b/gfx/layers/composite/FrameUniformityData.h
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+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_layers_FrameUniformityData_h_
+#define mozilla_layers_FrameUniformityData_h_
+
+#include "ipc/IPCMessageUtils.h"
+#include "js/TypeDecls.h"
+#include "mozilla/RefPtr.h"
+
+namespace mozilla {
+namespace layers {
+class Layer;
+
+class FrameUniformityData {
+ friend struct IPC::ParamTraits<FrameUniformityData>;
+
+public:
+ bool ToJS(JS::MutableHandleValue aOutValue, JSContext* aContext);
+ // Contains the calculated frame uniformities
+ std::map<uintptr_t,float> mUniformities;
+};
+
+struct LayerTransforms {
+ LayerTransforms() {}
+
+ gfx::Point GetAverage();
+ gfx::Point GetStdDev();
+
+ // 60 fps * 5 seconds worth of data
+ AutoTArray<gfx::Point, 300> mTransforms;
+};
+
+class LayerTransformRecorder {
+public:
+ LayerTransformRecorder() {}
+ ~LayerTransformRecorder();
+
+ void RecordTransform(Layer* aLayer, const gfx::Point& aTransform);
+ void Reset();
+ void EndTest(FrameUniformityData* aOutData);
+
+private:
+ float CalculateFrameUniformity(uintptr_t aLayer);
+ LayerTransforms* GetLayerTransforms(uintptr_t aLayer);
+ std::map<uintptr_t,LayerTransforms*> mFrameTransforms;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+namespace IPC {
+template<>
+struct ParamTraits<mozilla::layers::FrameUniformityData>
+{
+ typedef mozilla::layers::FrameUniformityData paramType;
+
+ static void Write(Message* aMsg, const paramType& aParam)
+ {
+ WriteParam(aMsg, aParam.mUniformities);
+ }
+
+ static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
+ {
+ return ParamTraitsStd<std::map<uintptr_t,float>>::Read(aMsg, aIter, &aResult->mUniformities);
+ }
+};
+
+} // namespace IPC
+
+#endif // mozilla_layers_FrameUniformityData_h_