/src/mozilla-central/gfx/2d/CaptureCommandList.h

Source (jump to first uncovered line)
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_gfx_2d_CaptureCommandList_h
#define mozilla_gfx_2d_CaptureCommandList_h

#include "mozilla/Move.h"
#include "mozilla/PodOperations.h"
#include <vector>

#include "DrawCommand.h"
#include "Logging.h"

namespace mozilla {
namespace gfx {

class CaptureCommandList
{
public:
  CaptureCommandList()
    : mLastCommand(nullptr)
  {}
  CaptureCommandList(CaptureCommandList&& aOther)
    : mStorage(std::move(aOther.mStorage))
    , mLastCommand(aOther.mLastCommand)
  {
    aOther.mLastCommand = nullptr;
  }
  ~CaptureCommandList();

  CaptureCommandList& operator=(CaptureCommandList&& aOther) {
    mStorage = std::move(aOther.mStorage);
    mLastCommand = aOther.mLastCommand;
    aOther.mLastCommand = nullptr;
    return *this;
  }

  template <typename T>
  T* Append() {
    size_t oldSize = mStorage.size();
    mStorage.resize(mStorage.size() + sizeof(T) + sizeof(uint32_t));
    uint8_t* nextDrawLocation = &mStorage.front() + oldSize;
    *(uint32_t*)(nextDrawLocation) = sizeof(T) + sizeof(uint32_t);
    T* newCommand = reinterpret_cast<T*>(nextDrawLocation + sizeof(uint32_t));
    mLastCommand = newCommand;
    return newCommand;
  }

  template <typename T>
  T* ReuseOrAppend() {
    { // Scope lock
      if (mLastCommand != nullptr &&
        mLastCommand->GetType() == T::Type) {
        return reinterpret_cast<T*>(mLastCommand);
      }
    }
    return Append<T>();
  }

  bool IsEmpty() const {
    return mStorage.empty();
  }

  template <typename T>
  bool BufferWillAlloc() const {
    return mStorage.size() + sizeof(uint32_t) + sizeof(T) > mStorage.capacity();
  }

  size_t BufferCapacity() const {
    return mStorage.capacity();
  }

  void Clear();

  class iterator
  {
  public:
    explicit iterator(CaptureCommandList& aParent)
     : mParent(aParent),
       mCurrent(nullptr),
       mEnd(nullptr)
    {
      if (!mParent.mStorage.empty()) {
        mCurrent = &mParent.mStorage.front();
        mEnd = mCurrent + mParent.mStorage.size();
      }
    }

    bool Done() const {
      return mCurrent >= mEnd;
    }
    void Next() {
      MOZ_ASSERT(!Done());
      mCurrent += *reinterpret_cast<uint32_t*>(mCurrent);
    }
    DrawingCommand* Get() {
      MOZ_ASSERT(!Done());
      return reinterpret_cast<DrawingCommand*>(mCurrent + sizeof(uint32_t));
    }

  private:
    CaptureCommandList& mParent;
    uint8_t* mCurrent;
    uint8_t* mEnd;
  };

  void Log(TreeLog& aStream)
  {
    for (iterator iter(*this); !iter.Done(); iter.Next()) {
      DrawingCommand* cmd = iter.Get();
      cmd->Log(aStream);
      aStream << "\n";
    }
  }

private:
  CaptureCommandList(const CaptureCommandList& aOther) = delete;
  void operator =(const CaptureCommandList& aOther) = delete;

private:
  std::vector<uint8_t> mStorage;
  DrawingCommand* mLastCommand;
};

} // namespace gfx
} // namespace mozilla

#endif // mozilla_gfx_2d_CaptureCommandList_h

Line	Count	Source (jump to first uncovered line)
1		/* -- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -- */
2		/* vim: set ts=8 sts=2 et sw=2 tw=80: */
3		/* This Source Code Form is subject to the terms of the Mozilla Public
4		* License, v. 2.0. If a copy of the MPL was not distributed with this
5		* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7		#ifndef mozilla_gfx_2d_CaptureCommandList_h
8		#define mozilla_gfx_2d_CaptureCommandList_h
9
10		#include "mozilla/Move.h"
11		#include "mozilla/PodOperations.h"
12		#include <vector>
13
14		#include "DrawCommand.h"
15		#include "Logging.h"
16
17		namespace mozilla {
18		namespace gfx {
19
20		class CaptureCommandList
21		{
22		public:
23		CaptureCommandList()
24		: mLastCommand(nullptr)
25	0	{}
26		CaptureCommandList(CaptureCommandList&& aOther)
27		: mStorage(std::move(aOther.mStorage))
28		, mLastCommand(aOther.mLastCommand)
29	0	{
30	0	aOther.mLastCommand = nullptr;
31	0	}
32		~CaptureCommandList();
33
34	0	CaptureCommandList& operator=(CaptureCommandList&& aOther) {
35	0	mStorage = std::move(aOther.mStorage);
36	0	mLastCommand = aOther.mLastCommand;
37	0	aOther.mLastCommand = nullptr;
38	0	return *this;
39	0	}
40
41		template <typename T>
42	0	T* Append() {
43	0	size_t oldSize = mStorage.size();
44	0	mStorage.resize(mStorage.size() + sizeof(T) + sizeof(uint32_t));
45	0	uint8_t* nextDrawLocation = &mStorage.front() + oldSize;
46	0	(uint32_t)(nextDrawLocation) = sizeof(T) + sizeof(uint32_t);
47	0	T* newCommand = reinterpret_cast<T*>(nextDrawLocation + sizeof(uint32_t));
48	0	mLastCommand = newCommand;
49	0	return newCommand;
50	0	} Unexecuted instantiation: mozilla::gfx::SetPermitSubpixelAACommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::SetPermitSubpixelAACommand>() Unexecuted instantiation: mozilla::gfx::DrawSurfaceCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::DrawSurfaceCommand>() Unexecuted instantiation: mozilla::gfx::DrawSurfaceWithShadowCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::DrawSurfaceWithShadowCommand>() Unexecuted instantiation: mozilla::gfx::DrawFilterCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::DrawFilterCommand>() Unexecuted instantiation: mozilla::gfx::ClearRectCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::ClearRectCommand>() Unexecuted instantiation: mozilla::gfx::MaskSurfaceCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::MaskSurfaceCommand>() Unexecuted instantiation: mozilla::gfx::CopySurfaceCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::CopySurfaceCommand>() Unexecuted instantiation: mozilla::gfx::CopyRectCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::CopyRectCommand>() Unexecuted instantiation: mozilla::gfx::FillRectCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::FillRectCommand>() Unexecuted instantiation: mozilla::gfx::StrokeRectCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::StrokeRectCommand>() Unexecuted instantiation: mozilla::gfx::StrokeLineCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::StrokeLineCommand>() Unexecuted instantiation: mozilla::gfx::StrokeCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::StrokeCommand>() Unexecuted instantiation: mozilla::gfx::FillCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::FillCommand>() Unexecuted instantiation: mozilla::gfx::FillGlyphsCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::FillGlyphsCommand>() Unexecuted instantiation: mozilla::gfx::StrokeGlyphsCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::StrokeGlyphsCommand>() Unexecuted instantiation: mozilla::gfx::MaskCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::MaskCommand>() Unexecuted instantiation: mozilla::gfx::PushClipCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::PushClipCommand>() Unexecuted instantiation: mozilla::gfx::PushClipRectCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::PushClipRectCommand>() Unexecuted instantiation: mozilla::gfx::PushLayerCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::PushLayerCommand>() Unexecuted instantiation: mozilla::gfx::PopLayerCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::PopLayerCommand>() Unexecuted instantiation: mozilla::gfx::PopClipCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::PopClipCommand>() Unexecuted instantiation: mozilla::gfx::SetTransformCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::SetTransformCommand>() Unexecuted instantiation: mozilla::gfx::BlurCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::BlurCommand>() Unexecuted instantiation: mozilla::gfx::PadEdgesCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::PadEdgesCommand>() Unexecuted instantiation: mozilla::gfx::FlushCommand* mozilla::gfx::CaptureCommandList::Append<mozilla::gfx::FlushCommand>()
51
52		template <typename T>
53	0	T* ReuseOrAppend() {
54	0	{ // Scope lock
55	0	if (mLastCommand != nullptr &&
56	0	mLastCommand->GetType() == T::Type) {
57	0	return reinterpret_cast<T*>(mLastCommand);
58	0	}
59	0	}
60	0	return Append<T>();
61	0	} Unexecuted instantiation: mozilla::gfx::SetPermitSubpixelAACommand* mozilla::gfx::CaptureCommandList::ReuseOrAppend<mozilla::gfx::SetPermitSubpixelAACommand>() Unexecuted instantiation: mozilla::gfx::SetTransformCommand* mozilla::gfx::CaptureCommandList::ReuseOrAppend<mozilla::gfx::SetTransformCommand>()
62
63	0	bool IsEmpty() const {
64	0	return mStorage.empty();
65	0	}
66
67		template <typename T>
68	0	bool BufferWillAlloc() const {
69	0	return mStorage.size() + sizeof(uint32_t) + sizeof(T) > mStorage.capacity();
70	0	} Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::SetPermitSubpixelAACommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::DrawSurfaceCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::DrawSurfaceWithShadowCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::DrawFilterCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::ClearRectCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::MaskSurfaceCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::CopySurfaceCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::CopyRectCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::FillRectCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::StrokeRectCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::StrokeLineCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::StrokeCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::FillCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::FillGlyphsCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::StrokeGlyphsCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::MaskCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::PushClipCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::PushClipRectCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::PushLayerCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::PopLayerCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::PopClipCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::SetTransformCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::BlurCommand>() const Unexecuted instantiation: bool mozilla::gfx::CaptureCommandList::BufferWillAlloc<mozilla::gfx::PadEdgesCommand>() const
71
72	0	size_t BufferCapacity() const {
73	0	return mStorage.capacity();
74	0	}
75
76		void Clear();
77
78		class iterator
79		{
80		public:
81		explicit iterator(CaptureCommandList& aParent)
82		: mParent(aParent),
83		mCurrent(nullptr),
84		mEnd(nullptr)
85	0	{
86	0	if (!mParent.mStorage.empty()) {
87	0	mCurrent = &mParent.mStorage.front();
88	0	mEnd = mCurrent + mParent.mStorage.size();
89	0	}
90	0	}
91
92	0	bool Done() const {
93	0	return mCurrent >= mEnd;
94	0	}
95	0	void Next() {
96	0	MOZ_ASSERT(!Done());
97	0	mCurrent += reinterpret_cast<uint32_t>(mCurrent);
98	0	}
99	0	DrawingCommand* Get() {
100	0	MOZ_ASSERT(!Done());
101	0	return reinterpret_cast<DrawingCommand*>(mCurrent + sizeof(uint32_t));
102	0	}
103
104		private:
105		CaptureCommandList& mParent;
106		uint8_t* mCurrent;
107		uint8_t* mEnd;
108		};
109
110		void Log(TreeLog& aStream)
111	0	{
112	0	for (iterator iter(*this); !iter.Done(); iter.Next()) {
113	0	DrawingCommand* cmd = iter.Get();
114	0	cmd->Log(aStream);
115	0	aStream << "\n";
116	0	}
117	0	}
118
119		private:
120		CaptureCommandList(const CaptureCommandList& aOther) = delete;
121		void operator =(const CaptureCommandList& aOther) = delete;
122
123		private:
124		std::vector<uint8_t> mStorage;
125		DrawingCommand* mLastCommand;
126		};
127
128		} // namespace gfx
129		} // namespace mozilla
130
131		#endif // mozilla_gfx_2d_CaptureCommandList_h

Coverage Report

Created: 2018-09-25 14:53