1 files changed, 0 insertions, 246 deletions
diff --git a/gfx/2d/Tools.h b/gfx/2d/Tools.h
deleted file mode 100644
index 585cbbb2c..000000000
--- a/gfx/2d/Tools.h
+++ /dev/null
@@ -1,246 +0,0 @@
-/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- * 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_TOOLS_H_
-#define MOZILLA_GFX_TOOLS_H_
-
-#include "mozilla/CheckedInt.h"
-#include "mozilla/Move.h"
-#include "mozilla/TypeTraits.h"
-#include "Types.h"
-#include "Point.h"
-#include <math.h>
-
-namespace mozilla {
-namespace gfx {
-
-static inline bool
-IsOperatorBoundByMask(CompositionOp aOp) {
-  switch (aOp) {
-  case CompositionOp::OP_IN:
-  case CompositionOp::OP_OUT:
-  case CompositionOp::OP_DEST_IN:
-  case CompositionOp::OP_DEST_ATOP:
-  case CompositionOp::OP_SOURCE:
-    return false;
-  default:
-    return true;
-  }
-}
-
-template <class T>
-struct ClassStorage
-{
-  char bytes[sizeof(T)];
-
-  const T *addr() const { return (const T *)bytes; }
-  T *addr() { return (T *)(void *)bytes; }
-};
-
-static inline bool
-FuzzyEqual(Float aA, Float aB, Float aErr)
-{
-  if ((aA + aErr >= aB) && (aA - aErr <= aB)) {
-    return true;
-  }
-  return false;
-}
-
-static inline void
-NudgeToInteger(float *aVal)
-{
-  float r = floorf(*aVal + 0.5f);
-  // The error threshold should be proportional to the rounded value. This
-  // bounds the relative error introduced by the nudge operation. However,
-  // when the rounded value is 0, the error threshold can't be proportional
-  // to the rounded value (we'd never round), so we just choose the same
-  // threshold as for a rounded value of 1.
-  if (FuzzyEqual(r, *aVal, r == 0.0f ? 1e-6f : fabs(r*1e-6f))) {
-    *aVal = r;
-  }
-}
-
-static inline void
-NudgeToInteger(float *aVal, float aErr)
-{
-  float r = floorf(*aVal + 0.5f);
-  if (FuzzyEqual(r, *aVal, aErr)) {
-    *aVal = r;
-  }
-}
-
-static inline Float
-Distance(Point aA, Point aB)
-{
-  return hypotf(aB.x - aA.x, aB.y - aA.y);
-}
-
-static inline int
-BytesPerPixel(SurfaceFormat aFormat)
-{
-  switch (aFormat) {
-  case SurfaceFormat::A8:
-    return 1;
-  case SurfaceFormat::R5G6B5_UINT16:
-    return 2;
-  case SurfaceFormat::R8G8B8:
-  case SurfaceFormat::B8G8R8:
-    return 3;
-  case SurfaceFormat::HSV:
-  case SurfaceFormat::Lab:
-    return 3 * sizeof(float);
-  case SurfaceFormat::Depth:
-    return sizeof(uint16_t);
-  default:
-    return 4;
-  }
-}
-
-static inline bool
-IsOpaqueFormat(SurfaceFormat aFormat) {
-  switch (aFormat) {
-    case SurfaceFormat::B8G8R8X8:
-    case SurfaceFormat::R8G8B8X8:
-    case SurfaceFormat::X8R8G8B8:
-    case SurfaceFormat::YUV:
-    case SurfaceFormat::NV12:
-    case SurfaceFormat::YUV422:
-    case SurfaceFormat::R5G6B5_UINT16:
-      return true;
-    default:
-      return false;
-  }
-}
-
-template<typename T, int alignment = 16>
-struct AlignedArray
-{
-  typedef T value_type;
-
-  AlignedArray()
-    : mPtr(nullptr)
-    , mStorage(nullptr)
-  {
-  }
-
-  explicit MOZ_ALWAYS_INLINE AlignedArray(size_t aCount, bool aZero = false)
-    : mStorage(nullptr)
-    , mCount(0)
-  {
-    Realloc(aCount, aZero);
-  }
-
-  MOZ_ALWAYS_INLINE ~AlignedArray()
-  {
-    Dealloc();
-  }
-
-  void Dealloc()
-  {
-    // If we fail this assert we'll need to uncomment the loop below to make
-    // sure dtors are properly invoked. If we do that, we should check that the
-    // comment about compiler dead code elimination is in fact true for all the
-    // compilers that we care about.
-    static_assert(mozilla::IsPod<T>::value,
-                  "Destructors must be invoked for this type");
-#if 0
-    for (size_t i = 0; i < mCount; ++i) {
-      // Since we used the placement |operator new| function to construct the
-      // elements of this array we need to invoke their destructors manually.
-      // For types where the destructor does nothing the compiler's dead code
-      // elimination step should optimize this loop away.
-      mPtr[i].~T();
-    }
-#endif
-
-    free(mStorage);
-    mStorage = nullptr;
-    mPtr = nullptr;
-  }
-
-  MOZ_ALWAYS_INLINE void Realloc(size_t aCount, bool aZero = false)
-  {
-    free(mStorage);
-    CheckedInt32 storageByteCount =
-      CheckedInt32(sizeof(T)) * aCount + (alignment - 1);
-    if (!storageByteCount.isValid()) {
-      mStorage = nullptr;
-      mPtr = nullptr;
-      mCount = 0;
-      return;
-    }
-    // We don't create an array of T here, since we don't want ctors to be
-    // invoked at the wrong places if we realign below.
-    if (aZero) {
-      // calloc can be more efficient than new[] for large chunks,
-      // so we use calloc/malloc/free for everything.
-      mStorage = static_cast<uint8_t *>(calloc(1, storageByteCount.value()));
-    } else {
-      mStorage = static_cast<uint8_t *>(malloc(storageByteCount.value()));
-    }
-    if (!mStorage) {
-      mStorage = nullptr;
-      mPtr = nullptr;
-      mCount = 0;
-      return;
-    }
-    if (uintptr_t(mStorage) % alignment) {
-      // Our storage does not start at a <alignment>-byte boundary. Make sure mPtr does!
-      mPtr = (T*)(uintptr_t(mStorage) + alignment - (uintptr_t(mStorage) % alignment));
-    } else {
-      mPtr = (T*)(mStorage);
-    }
-    // Now that mPtr is pointing to the aligned position we can use placement
-    // |operator new| to invoke any ctors at the correct positions. For types
-    // that have a no-op default constructor the compiler's dead code
-    // elimination step should optimize this away.
-    mPtr = new (mPtr) T[aCount];
-    mCount = aCount;
-  }
-
-  void Swap(AlignedArray<T, alignment>& aOther)
-  {
-    mozilla::Swap(mPtr, aOther.mPtr);
-    mozilla::Swap(mStorage, aOther.mStorage);
-    mozilla::Swap(mCount, aOther.mCount);
-  }
-
-  MOZ_ALWAYS_INLINE operator T*()
-  {
-    return mPtr;
-  }
-
-  T *mPtr;
-
-private:
-  uint8_t *mStorage;
-  size_t mCount;
-};
-
-/**
- * Returns aWidth * aBytesPerPixel increased, if necessary, so that it divides
- * exactly into |alignment|.
- *
- * Note that currently |alignment| must be a power-of-2. If for some reason we
- * want to support NPOT alignment we can revert back to this functions old
- * implementation.
- */
-template<int alignment>
-int32_t GetAlignedStride(int32_t aWidth, int32_t aBytesPerPixel)
-{
-  static_assert(alignment > 0 && (alignment & (alignment-1)) == 0,
-                "This implementation currently require power-of-two alignment");
-  const int32_t mask = alignment - 1;
-  CheckedInt32 stride = CheckedInt32(aWidth) * CheckedInt32(aBytesPerPixel) + CheckedInt32(mask);
-  if (stride.isValid()) {
-    return stride.value() & ~mask;
-  }
-  return 0;
-}
-
-} // namespace gfx
-} // namespace mozilla
-
-#endif /* MOZILLA_GFX_TOOLS_H_ */