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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /gfx/2d/SourceSurfaceRawData.cpp
parentInitial commit. (diff)
downloadfirefox-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.cpp72
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