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+/* -*- 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 "gtest/gtest.h"
+
+#include "mozilla/gfx/2D.h"
+#include "Common.h"
+#include "Decoder.h"
+#include "DecoderFactory.h"
+#include "SourceBuffer.h"
+#include "SurfacePipe.h"
+
+using namespace mozilla;
+using namespace mozilla::gfx;
+using namespace mozilla::image;
+
+namespace mozilla {
+namespace image {
+
+class TestSurfacePipeFactory {
+ public:
+ static SurfacePipe SimpleSurfacePipe() {
+ SurfacePipe pipe;
+ return pipe;
+ }
+
+ template <typename T>
+ static SurfacePipe SurfacePipeFromPipeline(T&& aPipeline) {
+ return SurfacePipe{std::move(aPipeline)};
+ }
+
+ private:
+ TestSurfacePipeFactory() {}
+};
+
+} // namespace image
+} // namespace mozilla
+
+void CheckSurfacePipeMethodResults(SurfacePipe* aPipe, image::Decoder* aDecoder,
+ const IntRect& aRect = IntRect(0, 0, 100,
+ 100)) {
+ // Check that the pipeline ended up in the state we expect. Note that we're
+ // explicitly testing the SurfacePipe versions of these methods, so we don't
+ // want to use AssertCorrectPipelineFinalState() here.
+ EXPECT_TRUE(aPipe->IsSurfaceFinished());
+ Maybe<SurfaceInvalidRect> invalidRect = aPipe->TakeInvalidRect();
+ EXPECT_TRUE(invalidRect.isSome());
+ EXPECT_EQ(OrientedIntRect(0, 0, 100, 100), invalidRect->mInputSpaceRect);
+ EXPECT_EQ(OrientedIntRect(0, 0, 100, 100), invalidRect->mOutputSpaceRect);
+
+ // Check the generated image.
+ CheckGeneratedImage(aDecoder, aRect);
+
+ // Reset and clear the image before the next test.
+ aPipe->ResetToFirstRow();
+ EXPECT_FALSE(aPipe->IsSurfaceFinished());
+ invalidRect = aPipe->TakeInvalidRect();
+ EXPECT_TRUE(invalidRect.isNothing());
+
+ uint32_t count = 0;
+ auto result = aPipe->WritePixels<uint32_t>([&]() {
+ ++count;
+ return AsVariant(BGRAColor::Transparent().AsPixel());
+ });
+ EXPECT_EQ(WriteState::FINISHED, result);
+ EXPECT_EQ(100u * 100u, count);
+
+ EXPECT_TRUE(aPipe->IsSurfaceFinished());
+ invalidRect = aPipe->TakeInvalidRect();
+ EXPECT_TRUE(invalidRect.isSome());
+ EXPECT_EQ(OrientedIntRect(0, 0, 100, 100), invalidRect->mInputSpaceRect);
+ EXPECT_EQ(OrientedIntRect(0, 0, 100, 100), invalidRect->mOutputSpaceRect);
+
+ aPipe->ResetToFirstRow();
+ EXPECT_FALSE(aPipe->IsSurfaceFinished());
+ invalidRect = aPipe->TakeInvalidRect();
+ EXPECT_TRUE(invalidRect.isNothing());
+}
+
+class ImageSurfacePipeIntegration : public ::testing::Test {
+ protected:
+ AutoInitializeImageLib mInit;
+};
+
+TEST_F(ImageSurfacePipeIntegration, SurfacePipe) {
+ // Test that SurfacePipe objects can be initialized and move constructed.
+ SurfacePipe pipe = TestSurfacePipeFactory::SimpleSurfacePipe();
+
+ // Test that SurfacePipe objects can be move assigned.
+ pipe = TestSurfacePipeFactory::SimpleSurfacePipe();
+
+ // Test that SurfacePipe objects can be initialized with a pipeline.
+ RefPtr<image::Decoder> decoder = CreateTrivialDecoder();
+ ASSERT_TRUE(decoder != nullptr);
+
+ auto sink = MakeUnique<SurfaceSink>();
+ nsresult rv = sink->Configure(
+ SurfaceConfig{decoder, IntSize(100, 100), SurfaceFormat::OS_RGBA, false});
+ ASSERT_NS_SUCCEEDED(rv);
+
+ pipe = TestSurfacePipeFactory::SurfacePipeFromPipeline(sink);
+
+ // Test that WritePixels() gets passed through to the underlying pipeline.
+ {
+ uint32_t count = 0;
+ auto result = pipe.WritePixels<uint32_t>([&]() {
+ ++count;
+ return AsVariant(BGRAColor::Green().AsPixel());
+ });
+ EXPECT_EQ(WriteState::FINISHED, result);
+ EXPECT_EQ(100u * 100u, count);
+ CheckSurfacePipeMethodResults(&pipe, decoder);
+ }
+
+ // Create a buffer the same size as one row of the surface, containing all
+ // green pixels. We'll use this for the WriteBuffer() tests.
+ uint32_t buffer[100];
+ for (int i = 0; i < 100; ++i) {
+ buffer[i] = BGRAColor::Green().AsPixel();
+ }
+
+ // Test that WriteBuffer() gets passed through to the underlying pipeline.
+ {
+ uint32_t count = 0;
+ WriteState result = WriteState::NEED_MORE_DATA;
+ while (result == WriteState::NEED_MORE_DATA) {
+ result = pipe.WriteBuffer(buffer);
+ ++count;
+ }
+ EXPECT_EQ(WriteState::FINISHED, result);
+ EXPECT_EQ(100u, count);
+ CheckSurfacePipeMethodResults(&pipe, decoder);
+ }
+
+ // Test that the 3 argument version of WriteBuffer() gets passed through to
+ // the underlying pipeline.
+ {
+ uint32_t count = 0;
+ WriteState result = WriteState::NEED_MORE_DATA;
+ while (result == WriteState::NEED_MORE_DATA) {
+ result = pipe.WriteBuffer(buffer, 0, 100);
+ ++count;
+ }
+ EXPECT_EQ(WriteState::FINISHED, result);
+ EXPECT_EQ(100u, count);
+ CheckSurfacePipeMethodResults(&pipe, decoder);
+ }
+
+ // Test that WritePixelBlocks() gets passed through to the underlying
+ // pipeline.
+ {
+ uint32_t count = 0;
+ WriteState result = pipe.WritePixelBlocks<uint32_t>(
+ [&](uint32_t* aBlockStart, int32_t aLength) {
+ ++count;
+ EXPECT_EQ(int32_t(100), aLength);
+ memcpy(aBlockStart, buffer, 100 * sizeof(uint32_t));
+ return std::make_tuple(int32_t(100), Maybe<WriteState>());
+ });
+
+ EXPECT_EQ(WriteState::FINISHED, result);
+ EXPECT_EQ(100u, count);
+ CheckSurfacePipeMethodResults(&pipe, decoder);
+ }
+
+ // Test that WriteEmptyRow() gets passed through to the underlying pipeline.
+ {
+ uint32_t count = 0;
+ WriteState result = WriteState::NEED_MORE_DATA;
+ while (result == WriteState::NEED_MORE_DATA) {
+ result = pipe.WriteEmptyRow();
+ ++count;
+ }
+ EXPECT_EQ(WriteState::FINISHED, result);
+ EXPECT_EQ(100u, count);
+ CheckSurfacePipeMethodResults(&pipe, decoder, IntRect(0, 0, 0, 0));
+ }
+
+ // Mark the frame as finished so we don't get an assertion.
+ RawAccessFrameRef currentFrame = decoder->GetCurrentFrameRef();
+ currentFrame->Finish();
+}
+
+TEST_F(ImageSurfacePipeIntegration, DeinterlaceDownscaleWritePixels) {
+ RefPtr<image::Decoder> decoder = CreateTrivialDecoder();
+ ASSERT_TRUE(decoder != nullptr);
+
+ auto test = [](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
+ CheckWritePixels(aDecoder, aFilter,
+ /* aOutputRect = */ Some(IntRect(0, 0, 25, 25)));
+ };
+
+ WithFilterPipeline(
+ decoder, test,
+ DeinterlacingConfig<uint32_t>{/* mProgressiveDisplay = */ true},
+ DownscalingConfig{IntSize(100, 100), SurfaceFormat::OS_RGBA},
+ SurfaceConfig{decoder, IntSize(25, 25), SurfaceFormat::OS_RGBA, false});
+}
+
+TEST_F(ImageSurfacePipeIntegration,
+ RemoveFrameRectBottomRightDownscaleWritePixels) {
+ // This test case uses a frame rect that extends beyond the borders of the
+ // image to the bottom and to the right. It looks roughly like this (with the
+ // box made of '#'s representing the frame rect):
+ //
+ // +------------+
+ // + +
+ // + +------------+
+ // + +############+
+ // +------+############+
+ // +############+
+ // +------------+
+
+ RefPtr<image::Decoder> decoder = CreateTrivialDecoder();
+ ASSERT_TRUE(decoder != nullptr);
+
+ // Note that aInputWriteRect is 100x50 because RemoveFrameRectFilter ignores
+ // trailing rows that don't show up in the output. (Leading rows unfortunately
+ // can't be ignored.) So the action of the pipeline is as follows:
+ //
+ // (1) RemoveFrameRectFilter reads a 100x50 region of the input.
+ // (aInputWriteRect captures this fact.) The remaining 50 rows are ignored
+ // because they extend off the bottom of the image due to the frame rect's
+ // (50, 50) offset. The 50 columns on the right also don't end up in the
+ // output, so ultimately only a 50x50 region in the output contains data
+ // from the input. The filter's output is not 50x50, though, but 100x100,
+ // because what RemoveFrameRectFilter does is introduce blank rows or
+ // columns as necessary to transform an image that needs a frame rect into
+ // an image that doesn't.
+ //
+ // (2) DownscalingFilter reads the output of RemoveFrameRectFilter (100x100)
+ // and downscales it to 20x20.
+ //
+ // (3) The surface owned by SurfaceSink logically has only a 10x10 region
+ // region in it that's non-blank; this is the downscaled version of the
+ // 50x50 region discussed in (1). (aOutputWriteRect captures this fact.)
+ // Some fuzz, as usual, is necessary when dealing with Lanczos
+ // downscaling.
+
+ auto test = [](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
+ CheckWritePixels(aDecoder, aFilter,
+ /* aOutputRect = */ Some(IntRect(0, 0, 20, 20)),
+ /* aInputRect = */ Some(IntRect(0, 0, 100, 100)),
+ /* aInputWriteRect = */ Some(IntRect(50, 50, 100, 50)),
+ /* aOutputWriteRect = */ Some(IntRect(10, 10, 10, 10)),
+ /* aFuzz = */ 0x33);
+ };
+
+ WithFilterPipeline(
+ decoder, test, RemoveFrameRectConfig{IntRect(50, 50, 100, 100)},
+ DownscalingConfig{IntSize(100, 100), SurfaceFormat::OS_RGBA},
+ SurfaceConfig{decoder, IntSize(20, 20), SurfaceFormat::OS_RGBA, false});
+}
+
+TEST_F(ImageSurfacePipeIntegration,
+ RemoveFrameRectTopLeftDownscaleWritePixels) {
+ // This test case uses a frame rect that extends beyond the borders of the
+ // image to the top and to the left. It looks roughly like this (with the
+ // box made of '#'s representing the frame rect):
+ //
+ // +------------+
+ // +############+
+ // +############+------+
+ // +############+ +
+ // +------------+ +
+ // + +
+ // +------------+
+
+ RefPtr<image::Decoder> decoder = CreateTrivialDecoder();
+ ASSERT_TRUE(decoder != nullptr);
+
+ auto test = [](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
+ CheckWritePixels(aDecoder, aFilter,
+ /* aOutputRect = */ Some(IntRect(0, 0, 20, 20)),
+ /* aInputRect = */ Some(IntRect(0, 0, 100, 100)),
+ /* aInputWriteRect = */ Some(IntRect(0, 0, 100, 100)),
+ /* aOutputWriteRect = */ Some(IntRect(0, 0, 10, 10)),
+ /* aFuzz = */ 0x21);
+ };
+
+ WithFilterPipeline(
+ decoder, test, RemoveFrameRectConfig{IntRect(-50, -50, 100, 100)},
+ DownscalingConfig{IntSize(100, 100), SurfaceFormat::OS_RGBA},
+ SurfaceConfig{decoder, IntSize(20, 20), SurfaceFormat::OS_RGBA, false});
+}
+
+TEST_F(ImageSurfacePipeIntegration, DeinterlaceRemoveFrameRectWritePixels) {
+ RefPtr<image::Decoder> decoder = CreateTrivialDecoder();
+ ASSERT_TRUE(decoder != nullptr);
+
+ // Note that aInputRect is the full 100x100 size even though
+ // RemoveFrameRectFilter is part of this pipeline, because deinterlacing
+ // requires reading every row.
+
+ auto test = [](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
+ CheckWritePixels(aDecoder, aFilter,
+ /* aOutputRect = */ Some(IntRect(0, 0, 100, 100)),
+ /* aInputRect = */ Some(IntRect(0, 0, 100, 100)),
+ /* aInputWriteRect = */ Some(IntRect(50, 50, 100, 100)),
+ /* aOutputWriteRect = */ Some(IntRect(50, 50, 50, 50)));
+ };
+
+ WithFilterPipeline(
+ decoder, test,
+ DeinterlacingConfig<uint32_t>{/* mProgressiveDisplay = */ true},
+ RemoveFrameRectConfig{IntRect(50, 50, 100, 100)},
+ SurfaceConfig{decoder, IntSize(100, 100), SurfaceFormat::OS_RGBA, false});
+}
+
+TEST_F(ImageSurfacePipeIntegration,
+ DeinterlaceRemoveFrameRectDownscaleWritePixels) {
+ RefPtr<image::Decoder> decoder = CreateTrivialDecoder();
+ ASSERT_TRUE(decoder != nullptr);
+
+ auto test = [](image::Decoder* aDecoder, SurfaceFilter* aFilter) {
+ CheckWritePixels(aDecoder, aFilter,
+ /* aOutputRect = */ Some(IntRect(0, 0, 20, 20)),
+ /* aInputRect = */ Some(IntRect(0, 0, 100, 100)),
+ /* aInputWriteRect = */ Some(IntRect(50, 50, 100, 100)),
+ /* aOutputWriteRect = */ Some(IntRect(10, 10, 10, 10)),
+ /* aFuzz = */ 33);
+ };
+
+ WithFilterPipeline(
+ decoder, test,
+ DeinterlacingConfig<uint32_t>{/* mProgressiveDisplay = */ true},
+ RemoveFrameRectConfig{IntRect(50, 50, 100, 100)},
+ DownscalingConfig{IntSize(100, 100), SurfaceFormat::OS_RGBA},
+ SurfaceConfig{decoder, IntSize(20, 20), SurfaceFormat::OS_RGBA, false});
+}
+
+TEST_F(ImageSurfacePipeIntegration, ConfiguringHugeDeinterlacingBufferFails) {
+ RefPtr<image::Decoder> decoder = CreateTrivialDecoder();
+ ASSERT_TRUE(decoder != nullptr);
+
+ // When DownscalingFilter is used, we may succeed in allocating an output
+ // surface for huge images, because we only need to store the scaled-down
+ // version of the image. However, regardless of downscaling,
+ // DeinterlacingFilter needs to allocate a buffer as large as the size of the
+ // input. This can cause OOMs on operating systems that allow overcommit. This
+ // test makes sure that we reject such allocations.
+ AssertConfiguringPipelineFails(
+ decoder, DeinterlacingConfig<uint32_t>{/* mProgressiveDisplay = */ true},
+ DownscalingConfig{IntSize(60000, 60000), SurfaceFormat::OS_RGBA},
+ SurfaceConfig{decoder, IntSize(600, 600), SurfaceFormat::OS_RGBA, false});
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 01:35:01 +0000