зеркало из https://github.com/mozilla/gecko-dev.git
53 строки
1.5 KiB
C++
53 строки
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "SourceSurfaceVolatileData.h"
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#include "gfxAlphaRecovery.h"
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#include "mozilla/Likely.h"
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#include "mozilla/Types.h" // for decltype
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namespace mozilla {
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namespace gfx {
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bool
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SourceSurfaceVolatileData::Init(const IntSize &aSize,
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int32_t aStride,
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SurfaceFormat aFormat)
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{
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mSize = aSize;
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mStride = aStride;
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mFormat = aFormat;
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size_t alignment = size_t(1) << gfxAlphaRecovery::GoodAlignmentLog2();
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mVBuf = new VolatileBuffer();
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if (MOZ_UNLIKELY(!mVBuf->Init(aStride * aSize.height, alignment))) {
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mVBuf = nullptr;
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return false;
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}
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return true;
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}
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void
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SourceSurfaceVolatileData::GuaranteePersistance()
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{
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MOZ_ASSERT_UNREACHABLE("Should use SourceSurfaceRawData wrapper!");
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}
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void
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SourceSurfaceVolatileData::AddSizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
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size_t& aHeapSizeOut,
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size_t& aNonHeapSizeOut) const
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{
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if (mVBuf) {
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aHeapSizeOut += mVBuf->HeapSizeOfExcludingThis(aMallocSizeOf);
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aNonHeapSizeOut += mVBuf->NonHeapSizeOfExcludingThis();
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}
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}
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} // namespace gfx
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} // namespace mozilla
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