зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
2.1 KiB
C++
84 строки
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_CONTEXTSTATETRACKER_H
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#define GFX_CONTEXTSTATETRACKER_H
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#include "GLTypes.h"
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#include "mozilla/TimeStamp.h"
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#include "nsTArray.h"
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#include <string.h>
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namespace mozilla {
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namespace gl {
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class GLContext;
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}
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/**
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* This class tracks the state of the context for debugging and profiling.
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* Each section pushes a new stack entry and must be matched by an end section.
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* All nested section must be ended before ending a parent section.
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*/
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class ContextStateTracker {
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public:
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ContextStateTracker() {}
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private:
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bool IsProfiling() { return true; }
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protected:
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typedef GLuint TimerQueryHandle;
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class ContextState {
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public:
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explicit ContextState(const char* aSectionName)
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: mSectionName(aSectionName)
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{}
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const char* mSectionName;
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mozilla::TimeStamp mCpuTimeStart;
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mozilla::TimeStamp mCpuTimeEnd;
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TimerQueryHandle mStartQueryHandle;
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};
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ContextState& Top() {
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MOZ_ASSERT(mSectionStack.Length());
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return mSectionStack[mSectionStack.Length() - 1];
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}
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nsTArray<ContextState> mCompletedSections;
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nsTArray<ContextState> mSectionStack;
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};
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/*
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class ID3D11DeviceContext;
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class ContextStateTrackerD3D11 MOZ_FINAL : public ContextStateTracker {
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public:
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// TODO Implement me
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void PushD3D11Section(ID3D11DeviceContext* aCtxt, const char* aSectionName) {}
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void PopD3D11Section(ID3D11DeviceContext* aCtxt, const char* aSectionName) {}
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void DestroyD3D11(ID3D11DeviceContext* aCtxt) {}
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private:
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void Flush();
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};
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*/
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class ContextStateTrackerOGL MOZ_FINAL : public ContextStateTracker {
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typedef mozilla::gl::GLContext GLContext;
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public:
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void PushOGLSection(GLContext* aGL, const char* aSectionName);
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void PopOGLSection(GLContext* aGL, const char* aSectionName);
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void DestroyOGL(GLContext* aGL);
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private:
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void Flush(GLContext* aGL);
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};
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}
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#endif
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