Mypal/gfx/thebes/ContextStateTracker.h

85 lines
2.1 KiB
C++

/* -*- 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