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SourceSurfaceRawData.h
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SourceSurfaceRawData.h
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/* -*- 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 SourceSurfaceRawData : public DataSourceSurface {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceRawData, override)
SourceSurfaceRawData()
: mRawData(0),
mStride(0),
mFormat(SurfaceFormat::UNKNOWN),
mOwnData(false),
mDeallocator(nullptr),
mClosure(nullptr) {}
virtual ~SourceSurfaceRawData() {
if (mDeallocator) {
mDeallocator(mClosure);
} else if (mOwnData) {
// The buffer is created from GuaranteePersistance().
delete[] mRawData;
}
}
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; }
virtual void GuaranteePersistance() 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;
bool mOwnData;
Factory::SourceSurfaceDeallocator mDeallocator;
void* mClosure;
};
class SourceSurfaceAlignedRawData : public DataSourceSurface {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceAlignedRawData,
override)
SourceSurfaceAlignedRawData() : mStride(0), mFormat(SurfaceFormat::UNKNOWN) {}
~SourceSurfaceAlignedRawData() {}
bool Init(const IntSize& aSize, SurfaceFormat aFormat, bool aClearMem,
uint8_t aClearValue, int32_t aStride = 0);
virtual uint8_t* GetData() override { return mArray; }
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 AddSizeOfExcludingThis(MallocSizeOf aMallocSizeOf, size_t& aHeapSizeOut,
size_t& aNonHeapSizeOut, size_t& aExtHandlesOut,
uint64_t& aExtIdOut) 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_ */