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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/. */
#include "SourceSurfaceVolatileData.h"
#include "gfxAlphaRecovery.h"
#include "mozilla/Likely.h"
#include "mozilla/Types.h" // for decltype
namespace mozilla {
namespace gfx {
bool SourceSurfaceVolatileData::Init(const IntSize& aSize, int32_t aStride,
SurfaceFormat aFormat) {
mSize = aSize;
mStride = aStride;
mFormat = aFormat;
size_t alignment = size_t(1) << gfxAlphaRecovery::GoodAlignmentLog2();
mVBuf = new VolatileBuffer();
if (MOZ_UNLIKELY(!mVBuf->Init(aStride * aSize.height, alignment))) {
mVBuf = nullptr;
return false;
}
return true;
}
void SourceSurfaceVolatileData::GuaranteePersistance() {
MOZ_ASSERT_UNREACHABLE("Should use SourceSurfaceRawData wrapper!");
}
void SourceSurfaceVolatileData::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
SizeOfInfo& aInfo) const {
aInfo.AddType(SurfaceType::DATA);
if (mVBuf) {
aInfo.mHeapBytes = mVBuf->HeapSizeOfExcludingThis(aMallocSizeOf);
aInfo.mNonHeapBytes = mVBuf->NonHeapSizeOfExcludingThis();
#ifdef ANDROID
if (!mVBuf->OnHeap()) {
// Volatile buffers keep a file handle open on Android.
aInfo.mExternalHandles = 1;
}
#endif
}
}
} // namespace gfx
} // namespace mozilla
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