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-rw-r--r--gfx/thebes/ContextStateTracker.h84
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diff --git a/gfx/thebes/ContextStateTracker.h b/gfx/thebes/ContextStateTracker.h
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+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * 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 GFX_CONTEXTSTATETRACKER_H
+#define GFX_CONTEXTSTATETRACKER_H
+
+#include "GLTypes.h"
+#include "mozilla/TimeStamp.h"
+#include "nsTArray.h"
+#include <string.h>
+
+namespace mozilla {
+namespace gl {
+class GLContext;
+} // namespace gl
+
+/**
+ * This class tracks the state of the context for debugging and profiling.
+ * Each section pushes a new stack entry and must be matched by an end section.
+ * All nested section must be ended before ending a parent section.
+ */
+class ContextStateTracker {
+public:
+ ContextStateTracker() {}
+
+private:
+
+ bool IsProfiling() { return true; }
+
+protected:
+ typedef GLuint TimerQueryHandle;
+
+ class ContextState {
+ public:
+ explicit ContextState(const char* aSectionName)
+ : mSectionName(aSectionName)
+ {}
+
+ const char* mSectionName;
+ mozilla::TimeStamp mCpuTimeStart;
+ mozilla::TimeStamp mCpuTimeEnd;
+ TimerQueryHandle mStartQueryHandle;
+ };
+
+ ContextState& Top() {
+ MOZ_ASSERT(mSectionStack.Length());
+ return mSectionStack[mSectionStack.Length() - 1];
+ }
+
+ nsTArray<ContextState> mCompletedSections;
+ nsTArray<ContextState> mSectionStack;
+};
+
+/*
+class ID3D11DeviceContext;
+
+class ContextStateTrackerD3D11 final : public ContextStateTracker {
+public:
+ // TODO Implement me
+ void PushD3D11Section(ID3D11DeviceContext* aCtxt, const char* aSectionName) {}
+ void PopD3D11Section(ID3D11DeviceContext* aCtxt, const char* aSectionName) {}
+ void DestroyD3D11(ID3D11DeviceContext* aCtxt) {}
+
+private:
+ void Flush();
+};
+*/
+
+class ContextStateTrackerOGL final : public ContextStateTracker {
+ typedef mozilla::gl::GLContext GLContext;
+public:
+ void PushOGLSection(GLContext* aGL, const char* aSectionName);
+ void PopOGLSection(GLContext* aGL, const char* aSectionName);
+ void DestroyOGL(GLContext* aGL);
+private:
+ void Flush(GLContext* aGL);
+};
+
+} // namespace mozilla
+
+#endif
+