forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			129 lines
		
	
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* -*- 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_ */
 |