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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 SourceSurfaceVolatileData::Init(const IntSize& aSize, int32_t aStride,
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SurfaceFormat aFormat) {
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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 SourceSurfaceVolatileData::GuaranteePersistance() {
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MOZ_ASSERT_UNREACHABLE("Should use SourceSurfaceRawData wrapper!");
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}
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void SourceSurfaceVolatileData::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
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SizeOfInfo& aInfo) const {
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aInfo.AddType(SurfaceType::DATA);
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if (mVBuf) {
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aInfo.mHeapBytes = mVBuf->HeapSizeOfExcludingThis(aMallocSizeOf);
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aInfo.mNonHeapBytes = mVBuf->NonHeapSizeOfExcludingThis();
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#ifdef ANDROID
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if (!mVBuf->OnHeap()) {
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// Volatile buffers keep a file handle open on Android.
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aInfo.mExternalHandles = 1;
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}
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#endif
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}
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}
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} // namespace gfx
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} // namespace mozilla