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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /gfx/2d/SourceSurfaceRawData.cpp | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/2d/SourceSurfaceRawData.cpp')
-rw-r--r-- | gfx/2d/SourceSurfaceRawData.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gfx/2d/SourceSurfaceRawData.cpp b/gfx/2d/SourceSurfaceRawData.cpp new file mode 100644 index 0000000000..d5590e329c --- /dev/null +++ b/gfx/2d/SourceSurfaceRawData.cpp @@ -0,0 +1,72 @@ +/* -*- 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 "SourceSurfaceRawData.h" + +#include "DataSurfaceHelpers.h" +#include "Logging.h" +#include "mozilla/Types.h" // for decltype + +namespace mozilla { +namespace gfx { + +void SourceSurfaceRawData::InitWrappingData( + uint8_t* aData, const IntSize& aSize, int32_t aStride, + SurfaceFormat aFormat, Factory::SourceSurfaceDeallocator aDeallocator, + void* aClosure) { + mRawData = aData; + mSize = aSize; + mStride = aStride; + mFormat = aFormat; + mDeallocator = aDeallocator; + mClosure = aClosure; +} + +void SourceSurfaceRawData::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf, + SizeOfInfo& aInfo) const { + aInfo.AddType(SurfaceType::DATA); + if (mDeallocator) { + aInfo.mUnknownBytes = mStride * mSize.height; + } +} + +bool SourceSurfaceAlignedRawData::Init(const IntSize& aSize, + SurfaceFormat aFormat, bool aClearMem, + uint8_t aClearValue, int32_t aStride) { + mFormat = aFormat; + mStride = aStride ? aStride + : GetAlignedStride<16>(aSize.width, BytesPerPixel(aFormat)); + + size_t bufLen = BufferSizeFromStrideAndHeight(mStride, aSize.height); + if (bufLen > 0) { + bool zeroMem = aClearMem && !aClearValue; + static_assert(sizeof(decltype(mArray[0])) == 1, + "mArray.Realloc() takes an object count, so its objects must " + "be 1-byte sized if we use bufLen"); + + // AlignedArray uses cmalloc to zero mem for a fast path. + mArray.Realloc(/* actually an object count */ bufLen, zeroMem); + mSize = aSize; + + if (mArray && aClearMem && aClearValue) { + memset(mArray, aClearValue, mStride * aSize.height); + } + } else { + mArray.Dealloc(); + mSize.SizeTo(0, 0); + } + + return mArray != nullptr; +} + +void SourceSurfaceAlignedRawData::SizeOfExcludingThis( + MallocSizeOf aMallocSizeOf, SizeOfInfo& aInfo) const { + aInfo.AddType(SurfaceType::DATA_ALIGNED); + aInfo.mHeapBytes = mArray.HeapSizeOfExcludingThis(aMallocSizeOf); +} + +} // namespace gfx +} // namespace mozilla |