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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /image/SurfacePipe.cpp
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'image/SurfacePipe.cpp')
-rw-r--r--image/SurfacePipe.cpp162
1 files changed, 162 insertions, 0 deletions
diff --git a/image/SurfacePipe.cpp b/image/SurfacePipe.cpp
new file mode 100644
index 0000000000..2e4a86daef
--- /dev/null
+++ b/image/SurfacePipe.cpp
@@ -0,0 +1,162 @@
+/* -*- 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 "SurfacePipe.h"
+
+#include <algorithm> // for min
+
+#include "Decoder.h"
+
+namespace mozilla {
+namespace image {
+
+using namespace gfx;
+
+using std::min;
+
+Maybe<SurfaceInvalidRect> AbstractSurfaceSink::TakeInvalidRect() {
+ if (mInvalidRect.IsEmpty()) {
+ return Nothing();
+ }
+
+ SurfaceInvalidRect invalidRect;
+ invalidRect.mInputSpaceRect = invalidRect.mOutputSpaceRect = mInvalidRect;
+
+ // Forget about the invalid rect we're returning.
+ mInvalidRect = OrientedIntRect();
+
+ return Some(invalidRect);
+}
+
+uint8_t* AbstractSurfaceSink::DoResetToFirstRow() {
+ mRow = 0;
+ return GetRowPointer();
+}
+
+uint8_t* SurfaceSink::DoAdvanceRowFromBuffer(const uint8_t* aInputRow) {
+ CopyInputRow(aInputRow);
+ return DoAdvanceRow();
+}
+
+uint8_t* SurfaceSink::DoAdvanceRow() {
+ if (mRow >= uint32_t(InputSize().height)) {
+ return nullptr;
+ }
+
+ // If we're vertically flipping the output, we need to flip the invalid rect.
+ // Since we're dealing with an axis-aligned rect, only the y coordinate needs
+ // to change.
+ int32_t invalidY = mFlipVertically ? InputSize().height - (mRow + 1) : mRow;
+ mInvalidRect.UnionRect(mInvalidRect,
+ OrientedIntRect(0, invalidY, InputSize().width, 1));
+
+ mRow = min(uint32_t(InputSize().height), mRow + 1);
+
+ return mRow < uint32_t(InputSize().height) ? GetRowPointer() : nullptr;
+}
+
+nsresult SurfaceSink::Configure(const SurfaceConfig& aConfig) {
+ IntSize surfaceSize = aConfig.mOutputSize;
+
+ // Allocate the frame.
+ // XXX(seth): Once every Decoder subclass uses SurfacePipe, we probably want
+ // to allocate the frame directly here and get rid of Decoder::AllocateFrame
+ // altogether.
+ nsresult rv = aConfig.mDecoder->AllocateFrame(surfaceSize, aConfig.mFormat,
+ aConfig.mAnimParams);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ mImageData = aConfig.mDecoder->mImageData;
+ mImageDataLength = aConfig.mDecoder->mImageDataLength;
+ mFlipVertically = aConfig.mFlipVertically;
+
+ MOZ_ASSERT(mImageData);
+ MOZ_ASSERT(uint64_t(mImageDataLength) == uint64_t(surfaceSize.width) *
+ uint64_t(surfaceSize.height) *
+ sizeof(uint32_t));
+
+ ConfigureFilter(surfaceSize, sizeof(uint32_t));
+ return NS_OK;
+}
+
+uint8_t* SurfaceSink::GetRowPointer() const {
+ // If we're flipping vertically, reverse the order in which we traverse the
+ // rows.
+ uint32_t row = mFlipVertically ? InputSize().height - (mRow + 1) : mRow;
+
+ uint8_t* rowPtr = mImageData + row * InputSize().width * sizeof(uint32_t);
+
+ MOZ_ASSERT(rowPtr >= mImageData);
+ MOZ_ASSERT(rowPtr < mImageData + mImageDataLength);
+ MOZ_ASSERT(rowPtr + InputSize().width * sizeof(uint32_t) <=
+ mImageData + mImageDataLength);
+
+ return rowPtr;
+}
+
+uint8_t* ReorientSurfaceSink::DoAdvanceRowFromBuffer(const uint8_t* aInputRow) {
+ if (mRow >= uint32_t(InputSize().height)) {
+ return nullptr;
+ }
+
+ IntRect dirty = mReorientFn(aInputRow, mRow, mImageData, mSurfaceSize,
+ mSurfaceSize.width * sizeof(uint32_t));
+ auto orientedDirty = OrientedIntRect::FromUnknownRect(dirty);
+ mInvalidRect.UnionRect(mInvalidRect, orientedDirty);
+
+ mRow = min(uint32_t(InputSize().height), mRow + 1);
+
+ return mRow < uint32_t(InputSize().height) ? GetRowPointer() : nullptr;
+}
+
+uint8_t* ReorientSurfaceSink::DoAdvanceRow() {
+ return DoAdvanceRowFromBuffer(mBuffer.get());
+}
+
+nsresult ReorientSurfaceSink::Configure(const ReorientSurfaceConfig& aConfig) {
+ mSurfaceSize = aConfig.mOutputSize.ToUnknownSize();
+
+ // Allocate the frame.
+ // XXX(seth): Once every Decoder subclass uses SurfacePipe, we probably want
+ // to allocate the frame directly here and get rid of Decoder::AllocateFrame
+ // altogether.
+ nsresult rv =
+ aConfig.mDecoder->AllocateFrame(mSurfaceSize, aConfig.mFormat, Nothing());
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ // The filters above us need the unoriented size as the input.
+ auto inputSize =
+ aConfig.mOrientation.ToUnoriented(aConfig.mOutputSize).ToUnknownSize();
+ mBuffer.reset(new (fallible) uint8_t[inputSize.width * sizeof(uint32_t)]);
+ if (MOZ_UNLIKELY(!mBuffer)) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ memset(mBuffer.get(), 0xFF, inputSize.width * sizeof(uint32_t));
+
+ mReorientFn = ReorientRow(aConfig.mOrientation);
+ MOZ_ASSERT(mReorientFn);
+
+ mImageData = aConfig.mDecoder->mImageData;
+ mImageDataLength = aConfig.mDecoder->mImageDataLength;
+
+ MOZ_ASSERT(mImageData);
+ MOZ_ASSERT(uint64_t(mImageDataLength) == uint64_t(mSurfaceSize.width) *
+ uint64_t(mSurfaceSize.height) *
+ sizeof(uint32_t));
+
+ ConfigureFilter(inputSize, sizeof(uint32_t));
+ return NS_OK;
+}
+
+uint8_t* ReorientSurfaceSink::GetRowPointer() const { return mBuffer.get(); }
+
+} // namespace image
+} // namespace mozilla