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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 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; }
IntSize GetSize() const final { return mSize; }
SurfaceFormat GetFormat() const final { return mFormat; }
void SizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
SizeOfInfo& aInfo) const override {
aInfo.AddType(SurfaceType::DATA);
mMap.GetSurface()->SizeOfExcludingThis(aMallocSizeOf, aInfo);
}
void GuaranteePersistance() final {}
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),
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; }
void SizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
SizeOfInfo& aInfo) const override;
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() 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_ */