1 files changed, 134 insertions, 0 deletions
diff --git a/gfx/2d/SourceSurfaceRawData.h b/gfx/2d/SourceSurfaceRawData.h
new file mode 100644
index 0000000000..3b2ed4ba96
--- /dev/null
+++ b/gfx/2d/SourceSurfaceRawData.h
@@ -0,0 +1,134 @@
+/* -*- 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_ */