summaryrefslogtreecommitdiffstats
path: root/gfx/2d/SourceSurfaceRawData.h
blob: 904f0fa1c8e164eda7b3fd6ebc40be23c2b0c2ee (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
/* -*- 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_SOURCESURFACERAWDATA_H_
#define MOZILLA_GFX_SOURCESURFACERAWDATA_H_

#include "2D.h"
#include "Tools.h"
#include "mozilla/Atomics.h"

namespace mozilla {
namespace gfx {

class SourceSurfaceMappedData final : public DataSourceSurface {
 public:
  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceMappedData, final)

  SourceSurfaceMappedData(ScopedMap&& aMap, const IntSize& aSize,
                          SurfaceFormat aFormat)
      : mMap(std::move(aMap)), mSize(aSize), mFormat(aFormat) {}

  ~SourceSurfaceMappedData() final = default;

  uint8_t* GetData() final { return mMap.GetData(); }
  int32_t Stride() final { return mMap.GetStride(); }

  SurfaceType GetType() const final { return SurfaceType::DATA_MAPPED; }
  IntSize GetSize() const final { return mSize; }
  SurfaceFormat GetFormat() const final { return mFormat; }

  void SizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
                           SizeOfInfo& aInfo) const override {
    aInfo.AddType(SurfaceType::DATA_MAPPED);
    mMap.GetSurface()->SizeOfExcludingThis(aMallocSizeOf, aInfo);
  }

  const DataSourceSurface* GetScopedSurface() const {
    return mMap.GetSurface();
  }

 private:
  ScopedMap mMap;
  IntSize mSize;
  SurfaceFormat mFormat;
};

class SourceSurfaceRawData : public DataSourceSurface {
 public:
  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceRawData, override)

  SourceSurfaceRawData()
      : mRawData(0),
        mStride(0),
        mFormat(SurfaceFormat::UNKNOWN),
        mDeallocator(nullptr),
        mClosure(nullptr) {}

  virtual ~SourceSurfaceRawData() {
    if (mDeallocator) {
      mDeallocator(mClosure);
    }
  }

  virtual uint8_t* GetData() override { return mRawData; }
  virtual int32_t Stride() override { return mStride; }

  virtual SurfaceType GetType() const override { return SurfaceType::DATA; }
  virtual IntSize GetSize() const override { return mSize; }
  virtual SurfaceFormat GetFormat() const override { return mFormat; }

  void SizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
                           SizeOfInfo& aInfo) const override;

 private:
  friend class Factory;

  // If we have a custom deallocator, the |aData| will be released using the
  // custom deallocator and |aClosure| in dtor.  The assumption is that the
  // caller will check for valid size and stride before making this call.
  void InitWrappingData(unsigned char* aData, const IntSize& aSize,
                        int32_t aStride, SurfaceFormat aFormat,
                        Factory::SourceSurfaceDeallocator aDeallocator,
                        void* aClosure);

  uint8_t* mRawData;
  int32_t mStride;
  SurfaceFormat mFormat;
  IntSize mSize;

  Factory::SourceSurfaceDeallocator mDeallocator;
  void* mClosure;
};

class SourceSurfaceAlignedRawData : public DataSourceSurface {
 public:
  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceAlignedRawData,
                                          override)
  SourceSurfaceAlignedRawData() : mStride(0), mFormat(SurfaceFormat::UNKNOWN) {}
  ~SourceSurfaceAlignedRawData() override = default;

  bool Init(const IntSize& aSize, SurfaceFormat aFormat, bool aClearMem,
            uint8_t aClearValue, int32_t aStride = 0);

  uint8_t* GetData() override { return mArray; }
  int32_t Stride() override { return mStride; }

  SurfaceType GetType() const override { return SurfaceType::DATA_ALIGNED; }
  IntSize GetSize() const override { return mSize; }
  SurfaceFormat GetFormat() const override { return mFormat; }

  void SizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
                           SizeOfInfo& aInfo) const override;

 private:
  friend class Factory;

  AlignedArray<uint8_t> mArray;
  int32_t mStride;
  SurfaceFormat mFormat;
  IntSize mSize;
};

}  // namespace gfx
}  // namespace mozilla

#endif /* MOZILLA_GFX_SOURCESURFACERAWDATA_H_ */