1492 lines
53 KiB
C++
1492 lines
53 KiB
C++
/* -*- 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 "gtest/gtest.h"
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#include "mozilla/gfx/2D.h"
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#include "Common.h"
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#include "Decoder.h"
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#include "DecoderFactory.h"
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#include "SourceBuffer.h"
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#include "SurfacePipe.h"
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using namespace mozilla;
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using namespace mozilla::gfx;
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using namespace mozilla::image;
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enum class Orient
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{
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NORMAL,
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FLIP_VERTICALLY
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};
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template <Orient Orientation, typename Func> void
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WithSurfaceSink(Func aFunc)
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{
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RefPtr<Decoder> decoder = CreateTrivialDecoder();
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ASSERT_TRUE(decoder != nullptr);
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const bool flipVertically = Orientation == Orient::FLIP_VERTICALLY;
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WithFilterPipeline(decoder, Forward<Func>(aFunc),
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SurfaceConfig { decoder, IntSize(100, 100),
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SurfaceFormat::B8G8R8A8, flipVertically });
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}
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template <typename Func> void
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WithPalettedSurfaceSink(const IntRect& aFrameRect, Func aFunc)
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{
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RefPtr<Decoder> decoder = CreateTrivialDecoder();
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ASSERT_TRUE(decoder != nullptr);
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WithFilterPipeline(decoder, Forward<Func>(aFunc),
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PalettedSurfaceConfig { decoder, IntSize(100, 100),
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aFrameRect, SurfaceFormat::B8G8R8A8,
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8, false });
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}
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void
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ResetForNextPass(SurfaceFilter* aSink)
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{
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aSink->ResetToFirstRow();
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EXPECT_FALSE(aSink->IsSurfaceFinished());
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Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
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EXPECT_TRUE(invalidRect.isNothing());
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}
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template <typename WriteFunc, typename CheckFunc> void
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DoCheckIterativeWrite(SurfaceFilter* aSink,
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WriteFunc aWriteFunc,
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CheckFunc aCheckFunc)
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{
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// Write the buffer to successive rows until every row of the surface
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// has been written.
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uint32_t row = 0;
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WriteState result = WriteState::NEED_MORE_DATA;
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while (result == WriteState::NEED_MORE_DATA) {
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result = aWriteFunc(row);
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++row;
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}
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EXPECT_EQ(WriteState::FINISHED, result);
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EXPECT_EQ(100u, row);
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AssertCorrectPipelineFinalState(aSink,
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IntRect(0, 0, 100, 100),
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IntRect(0, 0, 100, 100));
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// Check that the generated image is correct.
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aCheckFunc();
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}
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template <typename WriteFunc> void
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CheckIterativeWrite(Decoder* aDecoder,
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SurfaceSink* aSink,
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const IntRect& aOutputRect,
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WriteFunc aWriteFunc)
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{
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// Ignore the row passed to WriteFunc, since no callers use it.
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auto writeFunc = [&](uint32_t) {
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return aWriteFunc();
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};
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DoCheckIterativeWrite(aSink, writeFunc, [&]{
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CheckGeneratedImage(aDecoder, aOutputRect);
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});
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}
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template <typename WriteFunc> void
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CheckPalettedIterativeWrite(Decoder* aDecoder,
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PalettedSurfaceSink* aSink,
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const IntRect& aOutputRect,
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WriteFunc aWriteFunc)
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{
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// Ignore the row passed to WriteFunc, since no callers use it.
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auto writeFunc = [&](uint32_t) {
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return aWriteFunc();
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};
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DoCheckIterativeWrite(aSink, writeFunc, [&]{
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CheckGeneratedPalettedImage(aDecoder, aOutputRect);
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});
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}
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TEST(ImageSurfaceSink, NullSurfaceSink)
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{
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// Create the NullSurfaceSink.
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NullSurfaceSink sink;
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nsresult rv = sink.Configure(NullSurfaceConfig { });
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ASSERT_TRUE(NS_SUCCEEDED(rv));
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EXPECT_TRUE(!sink.IsValidPalettedPipe());
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// Ensure that we can't write anything.
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bool gotCalled = false;
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auto result = sink.WritePixels<uint32_t>([&]() {
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gotCalled = true;
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return AsVariant(BGRAColor::Green().AsPixel());
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});
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EXPECT_FALSE(gotCalled);
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EXPECT_EQ(WriteState::FINISHED, result);
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EXPECT_TRUE(sink.IsSurfaceFinished());
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Maybe<SurfaceInvalidRect> invalidRect = sink.TakeInvalidRect();
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EXPECT_TRUE(invalidRect.isNothing());
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uint32_t source = BGRAColor::Red().AsPixel();
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result = sink.WriteBuffer(&source);
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EXPECT_EQ(WriteState::FINISHED, result);
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EXPECT_TRUE(sink.IsSurfaceFinished());
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invalidRect = sink.TakeInvalidRect();
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EXPECT_TRUE(invalidRect.isNothing());
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result = sink.WriteBuffer(&source, 0, 1);
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EXPECT_EQ(WriteState::FINISHED, result);
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EXPECT_TRUE(sink.IsSurfaceFinished());
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invalidRect = sink.TakeInvalidRect();
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EXPECT_TRUE(invalidRect.isNothing());
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result = sink.WriteEmptyRow();
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EXPECT_EQ(WriteState::FINISHED, result);
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EXPECT_TRUE(sink.IsSurfaceFinished());
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invalidRect = sink.TakeInvalidRect();
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EXPECT_TRUE(invalidRect.isNothing());
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result = sink.WriteUnsafeComputedRow<uint32_t>([&](uint32_t* aRow,
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uint32_t aLength) {
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gotCalled = true;
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for (uint32_t col = 0; col < aLength; ++col, ++aRow) {
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*aRow = BGRAColor::Red().AsPixel();
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}
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});
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EXPECT_FALSE(gotCalled);
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EXPECT_EQ(WriteState::FINISHED, result);
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EXPECT_TRUE(sink.IsSurfaceFinished());
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invalidRect = sink.TakeInvalidRect();
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EXPECT_TRUE(invalidRect.isNothing());
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// Attempt to advance to the next row and make sure nothing changes.
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sink.AdvanceRow();
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EXPECT_TRUE(sink.IsSurfaceFinished());
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invalidRect = sink.TakeInvalidRect();
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EXPECT_TRUE(invalidRect.isNothing());
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// Attempt to advance to the next pass and make sure nothing changes.
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sink.ResetToFirstRow();
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EXPECT_TRUE(sink.IsSurfaceFinished());
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invalidRect = sink.TakeInvalidRect();
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EXPECT_TRUE(invalidRect.isNothing());
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}
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TEST(ImageSurfaceSink, SurfaceSinkInitialization)
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{
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WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
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// Check initial state.
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EXPECT_FALSE(aSink->IsSurfaceFinished());
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Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
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EXPECT_TRUE(invalidRect.isNothing());
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// Check that the surface is zero-initialized. We verify this by calling
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// CheckGeneratedImage() and telling it that we didn't write to the surface
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// anyway (i.e., we wrote to the empty rect); it will then expect the entire
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// surface to be transparent, which is what it should be if it was
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// zero-initialied.
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CheckGeneratedImage(aDecoder, IntRect(0, 0, 0, 0));
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});
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}
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TEST(ImageSurfaceSink, SurfaceSinkWritePixels)
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{
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WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
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CheckWritePixels(aDecoder, aSink);
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});
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}
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TEST(ImageSurfaceSink, SurfaceSinkWritePixelsFinish)
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{
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WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
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// Write nothing into the surface; just finish immediately.
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uint32_t count = 0;
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auto result = aSink->WritePixels<uint32_t>([&]() {
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count++;
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return AsVariant(WriteState::FINISHED);
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});
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EXPECT_EQ(WriteState::FINISHED, result);
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EXPECT_EQ(1u, count);
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AssertCorrectPipelineFinalState(aSink,
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IntRect(0, 0, 100, 100),
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IntRect(0, 0, 100, 100));
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// Attempt to write more and make sure that nothing gets written.
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count = 0;
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result = aSink->WritePixels<uint32_t>([&]() {
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count++;
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return AsVariant(BGRAColor::Red().AsPixel());
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});
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EXPECT_EQ(WriteState::FINISHED, result);
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EXPECT_EQ(0u, count);
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EXPECT_TRUE(aSink->IsSurfaceFinished());
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// Check that the generated image is correct.
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RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
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RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface();
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EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Transparent()));
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});
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}
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TEST(ImageSurfaceSink, SurfaceSinkWritePixelsEarlyExit)
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{
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auto checkEarlyExit =
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[](Decoder* aDecoder, SurfaceSink* aSink, WriteState aState) {
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// Write half a row of green pixels and then exit early with |aState|. If
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// the lambda keeps getting called, we'll write red pixels, which will cause
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// the test to fail.
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uint32_t count = 0;
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auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> {
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if (count == 50) {
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return AsVariant(aState);
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}
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return count++ < 50 ? AsVariant(BGRAColor::Green().AsPixel())
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: AsVariant(BGRAColor::Red().AsPixel());
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});
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EXPECT_EQ(aState, result);
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EXPECT_EQ(50u, count);
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CheckGeneratedImage(aDecoder, IntRect(0, 0, 50, 1));
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if (aState != WriteState::FINISHED) {
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// We should still be able to write more at this point.
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EXPECT_FALSE(aSink->IsSurfaceFinished());
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// Verify that we can resume writing. We'll finish up the same row.
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count = 0;
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result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> {
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if (count == 50) {
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return AsVariant(WriteState::NEED_MORE_DATA);
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}
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++count;
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return AsVariant(BGRAColor::Green().AsPixel());
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});
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EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
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EXPECT_EQ(50u, count);
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EXPECT_FALSE(aSink->IsSurfaceFinished());
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CheckGeneratedImage(aDecoder, IntRect(0, 0, 100, 1));
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return;
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}
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// We should've finished the surface at this point.
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AssertCorrectPipelineFinalState(aSink,
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IntRect(0, 0, 100, 100),
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IntRect(0, 0, 100, 100));
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// Attempt to write more and make sure that nothing gets written.
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count = 0;
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result = aSink->WritePixels<uint32_t>([&]{
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count++;
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return AsVariant(BGRAColor::Red().AsPixel());
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});
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EXPECT_EQ(WriteState::FINISHED, result);
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EXPECT_EQ(0u, count);
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EXPECT_TRUE(aSink->IsSurfaceFinished());
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// Check that the generated image is still correct.
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CheckGeneratedImage(aDecoder, IntRect(0, 0, 50, 1));
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};
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WithSurfaceSink<Orient::NORMAL>([&](Decoder* aDecoder, SurfaceSink* aSink) {
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checkEarlyExit(aDecoder, aSink, WriteState::NEED_MORE_DATA);
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});
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WithSurfaceSink<Orient::NORMAL>([&](Decoder* aDecoder, SurfaceSink* aSink) {
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checkEarlyExit(aDecoder, aSink, WriteState::FAILURE);
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});
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WithSurfaceSink<Orient::NORMAL>([&](Decoder* aDecoder, SurfaceSink* aSink) {
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checkEarlyExit(aDecoder, aSink, WriteState::FINISHED);
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});
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}
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TEST(ImageSurfaceSink, SurfaceSinkWritePixelsToRow)
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{
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WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
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// Write the first 99 rows of our 100x100 surface and verify that even
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// though our lambda will yield pixels forever, only one row is written per
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// call to WritePixelsToRow().
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for (int row = 0; row < 99; ++row) {
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uint32_t count = 0;
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WriteState result = aSink->WritePixelsToRow<uint32_t>([&]{
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++count;
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return AsVariant(BGRAColor::Green().AsPixel());
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});
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EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
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EXPECT_EQ(100u, count);
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EXPECT_FALSE(aSink->IsSurfaceFinished());
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Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
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EXPECT_TRUE(invalidRect.isSome());
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EXPECT_EQ(IntRect(0, row, 100, 1), invalidRect->mInputSpaceRect);
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EXPECT_EQ(IntRect(0, row, 100, 1), invalidRect->mOutputSpaceRect);
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CheckGeneratedImage(aDecoder, IntRect(0, 0, 100, row + 1));
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}
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// Write the final line, which should finish the surface.
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uint32_t count = 0;
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WriteState result = aSink->WritePixelsToRow<uint32_t>([&]{
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++count;
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return AsVariant(BGRAColor::Green().AsPixel());
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});
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EXPECT_EQ(WriteState::FINISHED, result);
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EXPECT_EQ(100u, count);
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// Note that the final invalid rect we expect here is only the last row;
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// that's because we called TakeInvalidRect() repeatedly in the loop above.
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AssertCorrectPipelineFinalState(aSink,
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IntRect(0, 99, 100, 1),
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IntRect(0, 99, 100, 1));
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// Check that the generated image is correct.
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CheckGeneratedImage(aDecoder, IntRect(0, 0, 100, 100));
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// Attempt to write more and make sure that nothing gets written.
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count = 0;
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result = aSink->WritePixelsToRow<uint32_t>([&]{
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count++;
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return AsVariant(BGRAColor::Red().AsPixel());
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});
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EXPECT_EQ(WriteState::FINISHED, result);
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EXPECT_EQ(0u, count);
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EXPECT_TRUE(aSink->IsSurfaceFinished());
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// Check that the generated image is still correct.
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CheckGeneratedImage(aDecoder, IntRect(0, 0, 100, 100));
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});
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}
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TEST(ImageSurfaceSink, SurfaceSinkWritePixelsToRowEarlyExit)
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{
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auto checkEarlyExit =
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[](Decoder* aDecoder, SurfaceSink* aSink, WriteState aState) {
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// Write half a row of green pixels and then exit early with |aState|. If
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// the lambda keeps getting called, we'll write red pixels, which will cause
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// the test to fail.
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uint32_t count = 0;
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auto result = aSink->WritePixelsToRow<uint32_t>([&]() -> NextPixel<uint32_t> {
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if (count == 50) {
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return AsVariant(aState);
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}
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return count++ < 50 ? AsVariant(BGRAColor::Green().AsPixel())
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: AsVariant(BGRAColor::Red().AsPixel());
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});
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EXPECT_EQ(aState, result);
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EXPECT_EQ(50u, count);
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CheckGeneratedImage(aDecoder, IntRect(0, 0, 50, 1));
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if (aState != WriteState::FINISHED) {
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// We should still be able to write more at this point.
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EXPECT_FALSE(aSink->IsSurfaceFinished());
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// Verify that we can resume the same row and still stop at the end.
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count = 0;
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WriteState result = aSink->WritePixelsToRow<uint32_t>([&]{
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++count;
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return AsVariant(BGRAColor::Green().AsPixel());
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});
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EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
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EXPECT_EQ(50u, count);
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EXPECT_FALSE(aSink->IsSurfaceFinished());
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CheckGeneratedImage(aDecoder, IntRect(0, 0, 100, 1));
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return;
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}
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// We should've finished the surface at this point.
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AssertCorrectPipelineFinalState(aSink,
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IntRect(0, 0, 100, 100),
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IntRect(0, 0, 100, 100));
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// Attempt to write more and make sure that nothing gets written.
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count = 0;
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result = aSink->WritePixelsToRow<uint32_t>([&]{
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count++;
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return AsVariant(BGRAColor::Red().AsPixel());
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});
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EXPECT_EQ(WriteState::FINISHED, result);
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EXPECT_EQ(0u, count);
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EXPECT_TRUE(aSink->IsSurfaceFinished());
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// Check that the generated image is still correct.
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CheckGeneratedImage(aDecoder, IntRect(0, 0, 50, 1));
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};
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WithSurfaceSink<Orient::NORMAL>([&](Decoder* aDecoder, SurfaceSink* aSink) {
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checkEarlyExit(aDecoder, aSink, WriteState::NEED_MORE_DATA);
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});
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WithSurfaceSink<Orient::NORMAL>([&](Decoder* aDecoder, SurfaceSink* aSink) {
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checkEarlyExit(aDecoder, aSink, WriteState::FAILURE);
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});
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WithSurfaceSink<Orient::NORMAL>([&](Decoder* aDecoder, SurfaceSink* aSink) {
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checkEarlyExit(aDecoder, aSink, WriteState::FINISHED);
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});
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}
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TEST(ImageSurfaceSink, SurfaceSinkWriteBuffer)
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{
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WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
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// Create a green buffer the same size as one row of the surface (which is 100x100),
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// containing 60 pixels of green in the middle and 20 transparent pixels on
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// either side.
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uint32_t buffer[100];
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for (int i = 0; i < 100; ++i) {
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buffer[i] = 20 <= i && i < 80 ? BGRAColor::Green().AsPixel()
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: BGRAColor::Transparent().AsPixel();
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}
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// Write the buffer to every row of the surface and check that the generated
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// image is correct.
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CheckIterativeWrite(aDecoder, aSink, IntRect(20, 0, 60, 100), [&]{
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return aSink->WriteBuffer(buffer);
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});
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});
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}
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TEST(ImageSurfaceSink, SurfaceSinkWriteBufferPartialRow)
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{
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WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
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// Create a buffer the same size as one row of the surface, containing all
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// green pixels.
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uint32_t buffer[100];
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for (int i = 0; i < 100; ++i) {
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buffer[i] = BGRAColor::Green().AsPixel();
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}
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// Write the buffer to the middle 60 pixels of every row of the surface and
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// check that the generated image is correct.
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CheckIterativeWrite(aDecoder, aSink, IntRect(20, 0, 60, 100), [&]{
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return aSink->WriteBuffer(buffer, 20, 60);
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});
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});
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}
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TEST(ImageSurfaceSink, SurfaceSinkWriteBufferPartialRowStartColOverflow)
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{
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WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
|
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// Create a buffer the same size as one row of the surface, containing all
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// green pixels.
|
|
uint32_t buffer[100];
|
|
for (int i = 0; i < 100; ++i) {
|
|
buffer[i] = BGRAColor::Green().AsPixel();
|
|
}
|
|
|
|
{
|
|
// Write the buffer to successive rows until every row of the surface
|
|
// has been written. We place the start column beyond the end of the row,
|
|
// which will prevent us from writing anything, so we check that the
|
|
// generated image is entirely transparent.
|
|
CheckIterativeWrite(aDecoder, aSink, IntRect(0, 0, 0, 0), [&]{
|
|
return aSink->WriteBuffer(buffer, 100, 100);
|
|
});
|
|
}
|
|
|
|
ResetForNextPass(aSink);
|
|
|
|
{
|
|
// Write the buffer to successive rows until every row of the surface
|
|
// has been written. We use column 50 as the start column, but we still
|
|
// write the buffer, which means we overflow the right edge of the surface
|
|
// by 50 pixels. We check that the left half of the generated image is
|
|
// transparent and the right half is green.
|
|
CheckIterativeWrite(aDecoder, aSink, IntRect(50, 0, 50, 100), [&]{
|
|
return aSink->WriteBuffer(buffer, 50, 100);
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, SurfaceSinkWriteBufferPartialRowBufferOverflow)
|
|
{
|
|
WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
|
|
// Create a buffer twice as large as a row of the surface. The first half
|
|
// (which is as large as a row of the image) will contain green pixels,
|
|
// while the second half will contain red pixels.
|
|
uint32_t buffer[200];
|
|
for (int i = 0; i < 200; ++i) {
|
|
buffer[i] = i < 100 ? BGRAColor::Green().AsPixel()
|
|
: BGRAColor::Red().AsPixel();
|
|
}
|
|
|
|
{
|
|
// Write the buffer to successive rows until every row of the surface has
|
|
// been written. The buffer extends 100 pixels to the right of a row of
|
|
// the surface, but bounds checking will prevent us from overflowing the
|
|
// buffer. We check that the generated image is entirely green since the
|
|
// pixels on the right side of the buffer shouldn't have been written to
|
|
// the surface.
|
|
CheckIterativeWrite(aDecoder, aSink, IntRect(0, 0, 100, 100), [&]{
|
|
return aSink->WriteBuffer(buffer, 0, 200);
|
|
});
|
|
}
|
|
|
|
ResetForNextPass(aSink);
|
|
|
|
{
|
|
// Write from the buffer to the middle of each row of the surface. That
|
|
// means that the left side of each row should be transparent, since we
|
|
// didn't write anything there. A buffer overflow would cause us to write
|
|
// buffer contents into the left side of each row. We check that the
|
|
// generated image is transparent on the left side and green on the right.
|
|
CheckIterativeWrite(aDecoder, aSink, IntRect(50, 0, 50, 100), [&]{
|
|
return aSink->WriteBuffer(buffer, 50, 200);
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, SurfaceSinkWriteBufferFromNullSource)
|
|
{
|
|
WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
|
|
// Calling WriteBuffer() with a null pointer should fail without making any
|
|
// changes to the surface.
|
|
uint32_t* nullBuffer = nullptr;
|
|
WriteState result = aSink->WriteBuffer(nullBuffer);
|
|
|
|
EXPECT_EQ(WriteState::FAILURE, result);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
|
|
EXPECT_TRUE(invalidRect.isNothing());
|
|
|
|
// Check that nothing got written to the surface.
|
|
CheckGeneratedImage(aDecoder, IntRect(0, 0, 0, 0));
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, SurfaceSinkWriteEmptyRow)
|
|
{
|
|
WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
|
|
{
|
|
// Write an empty row to each row of the surface. We check that the
|
|
// generated image is entirely transparent.
|
|
CheckIterativeWrite(aDecoder, aSink, IntRect(0, 0, 0, 0), [&]{
|
|
return aSink->WriteEmptyRow();
|
|
});
|
|
}
|
|
|
|
ResetForNextPass(aSink);
|
|
|
|
{
|
|
// Write a partial row before we begin calling WriteEmptyRow(). We check
|
|
// that the generated image is entirely transparent, which is to be
|
|
// expected since WriteEmptyRow() overwrites the current row even if some
|
|
// data has already been written to it.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> {
|
|
if (count == 50) {
|
|
return AsVariant(WriteState::NEED_MORE_DATA);
|
|
}
|
|
++count;
|
|
return AsVariant(BGRAColor::Green().AsPixel());
|
|
});
|
|
|
|
EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
|
|
EXPECT_EQ(50u, count);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
|
|
CheckIterativeWrite(aDecoder, aSink, IntRect(0, 0, 0, 0), [&]{
|
|
return aSink->WriteEmptyRow();
|
|
});
|
|
}
|
|
|
|
ResetForNextPass(aSink);
|
|
|
|
{
|
|
// Create a buffer the same size as one row of the surface, containing all
|
|
// green pixels.
|
|
uint32_t buffer[100];
|
|
for (int i = 0; i < 100; ++i) {
|
|
buffer[i] = BGRAColor::Green().AsPixel();
|
|
}
|
|
|
|
// Write an empty row to the middle 60 rows of the surface. The first 20
|
|
// and last 20 rows will be green. (We need to use DoCheckIterativeWrite()
|
|
// here because we need a custom function to check the output, since it
|
|
// can't be described by a simple rect.)
|
|
auto writeFunc = [&](uint32_t aRow) {
|
|
if (aRow < 20 || aRow >= 80) {
|
|
return aSink->WriteBuffer(buffer);
|
|
} else {
|
|
return aSink->WriteEmptyRow();
|
|
}
|
|
};
|
|
|
|
auto checkFunc = [&]{
|
|
RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
|
|
RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface();
|
|
|
|
EXPECT_TRUE(RowsAreSolidColor(surface, 0, 20, BGRAColor::Green()));
|
|
EXPECT_TRUE(RowsAreSolidColor(surface, 20, 60, BGRAColor::Transparent()));
|
|
EXPECT_TRUE(RowsAreSolidColor(surface, 80, 20, BGRAColor::Green()));
|
|
};
|
|
|
|
DoCheckIterativeWrite(aSink, writeFunc, checkFunc);
|
|
}
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, SurfaceSinkWriteUnsafeComputedRow)
|
|
{
|
|
WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
|
|
// Create a green buffer the same size as one row of the surface.
|
|
uint32_t buffer[100];
|
|
for (int i = 0; i < 100; ++i) {
|
|
buffer[i] = BGRAColor::Green().AsPixel();
|
|
}
|
|
|
|
// Write the buffer to successive rows until every row of the surface
|
|
// has been written. We only write to the right half of each row, so we
|
|
// check that the left side of the generated image is transparent and the
|
|
// right side is green.
|
|
CheckIterativeWrite(aDecoder, aSink, IntRect(50, 0, 50, 100), [&]{
|
|
return aSink->WriteUnsafeComputedRow<uint32_t>([&](uint32_t* aRow,
|
|
uint32_t aLength) {
|
|
EXPECT_EQ(100u, aLength );
|
|
memcpy(aRow + 50, buffer, 50 * sizeof(uint32_t));
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, SurfaceSinkProgressivePasses)
|
|
{
|
|
WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
|
|
{
|
|
// Fill the image with a first pass of red.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint32_t>([&]() {
|
|
++count;
|
|
return AsVariant(BGRAColor::Red().AsPixel());
|
|
});
|
|
EXPECT_EQ(WriteState::FINISHED, result);
|
|
EXPECT_EQ(100u * 100u, count);
|
|
|
|
AssertCorrectPipelineFinalState(aSink,
|
|
IntRect(0, 0, 100, 100),
|
|
IntRect(0, 0, 100, 100));
|
|
|
|
// Check that the generated image is correct.
|
|
RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
|
|
RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface();
|
|
EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Red()));
|
|
}
|
|
|
|
{
|
|
ResetForNextPass(aSink);
|
|
|
|
// Check that the generated image is still the first pass image.
|
|
RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
|
|
RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface();
|
|
EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Red()));
|
|
}
|
|
|
|
{
|
|
// Fill the image with a second pass of green.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint32_t>([&]() {
|
|
++count;
|
|
return AsVariant(BGRAColor::Green().AsPixel());
|
|
});
|
|
EXPECT_EQ(WriteState::FINISHED, result);
|
|
EXPECT_EQ(100u * 100u, count);
|
|
|
|
AssertCorrectPipelineFinalState(aSink,
|
|
IntRect(0, 0, 100, 100),
|
|
IntRect(0, 0, 100, 100));
|
|
|
|
// Check that the generated image is correct.
|
|
RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
|
|
RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface();
|
|
EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Green()));
|
|
}
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, SurfaceSinkInvalidRect)
|
|
{
|
|
WithSurfaceSink<Orient::NORMAL>([](Decoder* aDecoder, SurfaceSink* aSink) {
|
|
{
|
|
// Write one row.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> {
|
|
if (count == 100) {
|
|
return AsVariant(WriteState::NEED_MORE_DATA);
|
|
}
|
|
count++;
|
|
return AsVariant(BGRAColor::Green().AsPixel());
|
|
});
|
|
EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
|
|
EXPECT_EQ(100u, count);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
|
|
// Assert that we have the right invalid rect.
|
|
Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
|
|
EXPECT_TRUE(invalidRect.isSome());
|
|
EXPECT_EQ(IntRect(0, 0, 100, 1), invalidRect->mInputSpaceRect);
|
|
EXPECT_EQ(IntRect(0, 0, 100, 1), invalidRect->mOutputSpaceRect);
|
|
}
|
|
|
|
{
|
|
// Write eight rows.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> {
|
|
if (count == 100 * 8) {
|
|
return AsVariant(WriteState::NEED_MORE_DATA);
|
|
}
|
|
count++;
|
|
return AsVariant(BGRAColor::Green().AsPixel());
|
|
});
|
|
EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
|
|
EXPECT_EQ(100u * 8u, count);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
|
|
// Assert that we have the right invalid rect.
|
|
Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
|
|
EXPECT_TRUE(invalidRect.isSome());
|
|
EXPECT_EQ(IntRect(0, 1, 100, 8), invalidRect->mInputSpaceRect);
|
|
EXPECT_EQ(IntRect(0, 1, 100, 8), invalidRect->mOutputSpaceRect);
|
|
}
|
|
|
|
{
|
|
// Write the left half of one row.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> {
|
|
if (count == 50) {
|
|
return AsVariant(WriteState::NEED_MORE_DATA);
|
|
}
|
|
count++;
|
|
return AsVariant(BGRAColor::Green().AsPixel());
|
|
});
|
|
EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
|
|
EXPECT_EQ(50u, count);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
|
|
// Assert that we don't have an invalid rect, since the invalid rect only
|
|
// gets updated when a row gets completed.
|
|
Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
|
|
EXPECT_TRUE(invalidRect.isNothing());
|
|
}
|
|
|
|
{
|
|
// Write the right half of the same row.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> {
|
|
if (count == 50) {
|
|
return AsVariant(WriteState::NEED_MORE_DATA);
|
|
}
|
|
count++;
|
|
return AsVariant(BGRAColor::Green().AsPixel());
|
|
});
|
|
EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
|
|
EXPECT_EQ(50u, count);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
|
|
// Assert that we have the right invalid rect, which will include both the
|
|
// left and right halves of this row now that we've completed it.
|
|
Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
|
|
EXPECT_TRUE(invalidRect.isSome());
|
|
EXPECT_EQ(IntRect(0, 9, 100, 1), invalidRect->mInputSpaceRect);
|
|
EXPECT_EQ(IntRect(0, 9, 100, 1), invalidRect->mOutputSpaceRect);
|
|
}
|
|
|
|
{
|
|
// Write no rows.
|
|
auto result = aSink->WritePixels<uint32_t>([&]() {
|
|
return AsVariant(WriteState::NEED_MORE_DATA);
|
|
});
|
|
EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
|
|
// Assert that we don't have an invalid rect.
|
|
Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
|
|
EXPECT_TRUE(invalidRect.isNothing());
|
|
}
|
|
|
|
{
|
|
// Fill the rest of the image.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint32_t>([&]() {
|
|
count++;
|
|
return AsVariant(BGRAColor::Green().AsPixel());
|
|
});
|
|
EXPECT_EQ(WriteState::FINISHED, result);
|
|
EXPECT_EQ(100u * 90u, count);
|
|
EXPECT_TRUE(aSink->IsSurfaceFinished());
|
|
|
|
// Assert that we have the right invalid rect.
|
|
Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
|
|
EXPECT_TRUE(invalidRect.isSome());
|
|
EXPECT_EQ(IntRect(0, 10, 100, 90), invalidRect->mInputSpaceRect);
|
|
EXPECT_EQ(IntRect(0, 10, 100, 90), invalidRect->mOutputSpaceRect);
|
|
|
|
// Check that the generated image is correct.
|
|
RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
|
|
RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface();
|
|
EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Green()));
|
|
}
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, SurfaceSinkFlipVertically)
|
|
{
|
|
WithSurfaceSink<Orient::FLIP_VERTICALLY>([](Decoder* aDecoder,
|
|
SurfaceSink* aSink) {
|
|
{
|
|
// Fill the image with a first pass of red.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint32_t>([&]() {
|
|
++count;
|
|
return AsVariant(BGRAColor::Red().AsPixel());
|
|
});
|
|
EXPECT_EQ(WriteState::FINISHED, result);
|
|
EXPECT_EQ(100u * 100u, count);
|
|
|
|
AssertCorrectPipelineFinalState(aSink,
|
|
IntRect(0, 0, 100, 100),
|
|
IntRect(0, 0, 100, 100));
|
|
|
|
// Check that the generated image is correct.
|
|
RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
|
|
RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface();
|
|
EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Red()));
|
|
}
|
|
|
|
{
|
|
ResetForNextPass(aSink);
|
|
|
|
// Check that the generated image is still the first pass image.
|
|
RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
|
|
RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface();
|
|
EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Red()));
|
|
}
|
|
|
|
{
|
|
// Fill 25 rows of the image with green and make sure everything is OK.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> {
|
|
if (count == 25 * 100) {
|
|
return AsVariant(WriteState::NEED_MORE_DATA);
|
|
}
|
|
count++;
|
|
return AsVariant(BGRAColor::Green().AsPixel());
|
|
});
|
|
EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
|
|
EXPECT_EQ(25u * 100u, count);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
|
|
// Assert that we have the right invalid rect, which should include the
|
|
// *bottom* (since we're flipping vertically) 25 rows of the image.
|
|
Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
|
|
EXPECT_TRUE(invalidRect.isSome());
|
|
EXPECT_EQ(IntRect(0, 75, 100, 25), invalidRect->mInputSpaceRect);
|
|
EXPECT_EQ(IntRect(0, 75, 100, 25), invalidRect->mOutputSpaceRect);
|
|
|
|
// Check that the generated image is correct.
|
|
RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
|
|
RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface();
|
|
EXPECT_TRUE(RowsAreSolidColor(surface, 0, 75, BGRAColor::Red()));
|
|
EXPECT_TRUE(RowsAreSolidColor(surface, 75, 25, BGRAColor::Green()));
|
|
}
|
|
|
|
{
|
|
// Fill the rest of the image with a second pass of green.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint32_t>([&]() {
|
|
++count;
|
|
return AsVariant(BGRAColor::Green().AsPixel());
|
|
});
|
|
EXPECT_EQ(WriteState::FINISHED, result);
|
|
EXPECT_EQ(75u * 100u, count);
|
|
|
|
AssertCorrectPipelineFinalState(aSink,
|
|
IntRect(0, 0, 100, 75),
|
|
IntRect(0, 0, 100, 75));
|
|
|
|
// Check that the generated image is correct.
|
|
RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
|
|
RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface();
|
|
EXPECT_TRUE(IsSolidColor(surface, BGRAColor::Green()));
|
|
}
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkInitialization)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
// Check initial state.
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
|
|
EXPECT_TRUE(invalidRect.isNothing());
|
|
|
|
// Check that the paletted image data is zero-initialized.
|
|
RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
|
|
uint8_t* imageData = nullptr;
|
|
uint32_t imageLength = 0;
|
|
currentFrame->GetImageData(&imageData, &imageLength);
|
|
ASSERT_TRUE(imageData != nullptr);
|
|
ASSERT_EQ(100u * 100u, imageLength);
|
|
for (uint32_t i = 0; i < imageLength; ++i) {
|
|
ASSERT_EQ(uint8_t(0), imageData[i]);
|
|
}
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsFor0_0_100_100)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
CheckPalettedWritePixels(aDecoder, aSink);
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsFor25_25_50_50)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(25, 25, 50, 50),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
CheckPalettedWritePixels(aDecoder, aSink,
|
|
/* aOutputRect = */ Some(IntRect(0, 0, 50, 50)),
|
|
/* aInputRect = */ Some(IntRect(0, 0, 50, 50)),
|
|
/* aInputWriteRect = */ Some(IntRect(25, 25, 50, 50)),
|
|
/* aOutputWriteRect = */ Some(IntRect(25, 25, 50, 50)));
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsForMinus25_Minus25_50_50)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(-25, -25, 50, 50),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
CheckPalettedWritePixels(aDecoder, aSink,
|
|
/* aOutputRect = */ Some(IntRect(0, 0, 50, 50)),
|
|
/* aInputRect = */ Some(IntRect(0, 0, 50, 50)),
|
|
/* aInputWriteRect = */ Some(IntRect(-25, -25, 50, 50)),
|
|
/* aOutputWriteRect = */ Some(IntRect(-25, -25, 50, 50)));
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsFor75_Minus25_50_50)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(75, -25, 50, 50),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
CheckPalettedWritePixels(aDecoder, aSink,
|
|
/* aOutputRect = */ Some(IntRect(0, 0, 50, 50)),
|
|
/* aInputRect = */ Some(IntRect(0, 0, 50, 50)),
|
|
/* aInputWriteRect = */ Some(IntRect(75, -25, 50, 50)),
|
|
/* aOutputWriteRect = */ Some(IntRect(75, -25, 50, 50)));
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsForMinus25_75_50_50)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(-25, 75, 50, 50),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
CheckPalettedWritePixels(aDecoder, aSink,
|
|
/* aOutputRect = */ Some(IntRect(0, 0, 50, 50)),
|
|
/* aInputRect = */ Some(IntRect(0, 0, 50, 50)),
|
|
/* aInputWriteRect = */ Some(IntRect(-25, 75, 50, 50)),
|
|
/* aOutputWriteRect = */ Some(IntRect(-25, 75, 50, 50)));
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsFor75_75_50_50)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(75, 75, 50, 50),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
CheckPalettedWritePixels(aDecoder, aSink,
|
|
/* aOutputRect = */ Some(IntRect(0, 0, 50, 50)),
|
|
/* aInputRect = */ Some(IntRect(0, 0, 50, 50)),
|
|
/* aInputWriteRect = */ Some(IntRect(75, 75, 50, 50)),
|
|
/* aOutputWriteRect = */ Some(IntRect(75, 75, 50, 50)));
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsFinish)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
// Write nothing into the surface; just finish immediately.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint8_t>([&]{
|
|
count++;
|
|
return AsVariant(WriteState::FINISHED);
|
|
});
|
|
EXPECT_EQ(WriteState::FINISHED, result);
|
|
EXPECT_EQ(1u, count);
|
|
|
|
AssertCorrectPipelineFinalState(aSink,
|
|
IntRect(0, 0, 100, 100),
|
|
IntRect(0, 0, 100, 100));
|
|
|
|
// Attempt to write more and make sure that nothing gets written.
|
|
count = 0;
|
|
result = aSink->WritePixels<uint8_t>([&]() {
|
|
count++;
|
|
return AsVariant(uint8_t(128));
|
|
});
|
|
EXPECT_EQ(WriteState::FINISHED, result);
|
|
EXPECT_EQ(0u, count);
|
|
EXPECT_TRUE(aSink->IsSurfaceFinished());
|
|
|
|
// Check that the generated image is correct.
|
|
EXPECT_TRUE(IsSolidPalettedColor(aDecoder, 0));
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsEarlyExit)
|
|
{
|
|
auto checkEarlyExit =
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink, WriteState aState) {
|
|
// Write half a row of green pixels and then exit early with |aState|. If
|
|
// the lambda keeps getting called, we'll write red pixels, which will cause
|
|
// the test to fail.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint8_t>([&]() -> NextPixel<uint8_t> {
|
|
if (count == 50) {
|
|
return AsVariant(aState);
|
|
}
|
|
return count++ < 50 ? AsVariant(uint8_t(255)) : AsVariant(uint8_t(128));
|
|
});
|
|
|
|
EXPECT_EQ(aState, result);
|
|
EXPECT_EQ(50u, count);
|
|
CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 50, 1));
|
|
|
|
if (aState != WriteState::FINISHED) {
|
|
// We should still be able to write more at this point.
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
|
|
// Verify that we can resume writing. We'll finish up the same row.
|
|
count = 0;
|
|
result = aSink->WritePixels<uint8_t>([&]() -> NextPixel<uint8_t> {
|
|
if (count == 50) {
|
|
return AsVariant(WriteState::NEED_MORE_DATA);
|
|
}
|
|
++count;
|
|
return AsVariant(uint8_t(255));
|
|
});
|
|
|
|
EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
|
|
EXPECT_EQ(50u, count);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 100, 1));
|
|
|
|
return;
|
|
}
|
|
|
|
// We should've finished the surface at this point.
|
|
AssertCorrectPipelineFinalState(aSink,
|
|
IntRect(0, 0, 100, 100),
|
|
IntRect(0, 0, 100, 100));
|
|
|
|
// Attempt to write more and make sure that nothing gets written.
|
|
count = 0;
|
|
result = aSink->WritePixels<uint8_t>([&]{
|
|
count++;
|
|
return AsVariant(uint8_t(128));
|
|
});
|
|
|
|
EXPECT_EQ(WriteState::FINISHED, result);
|
|
EXPECT_EQ(0u, count);
|
|
EXPECT_TRUE(aSink->IsSurfaceFinished());
|
|
|
|
// Check that the generated image is still correct.
|
|
CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 50, 1));
|
|
};
|
|
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[&](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
checkEarlyExit(aDecoder, aSink, WriteState::NEED_MORE_DATA);
|
|
});
|
|
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[&](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
checkEarlyExit(aDecoder, aSink, WriteState::FAILURE);
|
|
});
|
|
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[&](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
checkEarlyExit(aDecoder, aSink, WriteState::FINISHED);
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsToRow)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
// Write the first 99 rows of our 100x100 surface and verify that even
|
|
// though our lambda will yield pixels forever, only one row is written per
|
|
// call to WritePixelsToRow().
|
|
for (int row = 0; row < 99; ++row) {
|
|
uint32_t count = 0;
|
|
WriteState result = aSink->WritePixelsToRow<uint8_t>([&]{
|
|
++count;
|
|
return AsVariant(uint8_t(255));
|
|
});
|
|
|
|
EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
|
|
EXPECT_EQ(100u, count);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
|
|
Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
|
|
EXPECT_TRUE(invalidRect.isSome());
|
|
EXPECT_EQ(IntRect(0, row, 100, 1), invalidRect->mInputSpaceRect);
|
|
EXPECT_EQ(IntRect(0, row, 100, 1), invalidRect->mOutputSpaceRect);
|
|
|
|
CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 100, row + 1));
|
|
}
|
|
|
|
// Write the final line, which should finish the surface.
|
|
uint32_t count = 0;
|
|
WriteState result = aSink->WritePixelsToRow<uint8_t>([&]{
|
|
++count;
|
|
return AsVariant(uint8_t(255));
|
|
});
|
|
|
|
EXPECT_EQ(WriteState::FINISHED, result);
|
|
EXPECT_EQ(100u, count);
|
|
|
|
// Note that the final invalid rect we expect here is only the last row;
|
|
// that's because we called TakeInvalidRect() repeatedly in the loop above.
|
|
AssertCorrectPipelineFinalState(aSink,
|
|
IntRect(0, 99, 100, 1),
|
|
IntRect(0, 99, 100, 1));
|
|
|
|
// Check that the generated image is correct.
|
|
CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 100, 100));
|
|
|
|
// Attempt to write more and make sure that nothing gets written.
|
|
count = 0;
|
|
result = aSink->WritePixelsToRow<uint8_t>([&]{
|
|
count++;
|
|
return AsVariant(uint8_t(128));
|
|
});
|
|
|
|
EXPECT_EQ(WriteState::FINISHED, result);
|
|
EXPECT_EQ(0u, count);
|
|
EXPECT_TRUE(aSink->IsSurfaceFinished());
|
|
|
|
// Check that the generated image is still correct.
|
|
CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 100, 100));
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWritePixelsToRowEarlyExit)
|
|
{
|
|
auto checkEarlyExit =
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink, WriteState aState) {
|
|
// Write half a row of 255s and then exit early with |aState|. If the lambda
|
|
// keeps getting called, we'll write 128s, which will cause the test to
|
|
// fail.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixelsToRow<uint8_t>([&]() -> NextPixel<uint8_t> {
|
|
if (count == 50) {
|
|
return AsVariant(aState);
|
|
}
|
|
return count++ < 50 ? AsVariant(uint8_t(255))
|
|
: AsVariant(uint8_t(128));
|
|
});
|
|
|
|
EXPECT_EQ(aState, result);
|
|
EXPECT_EQ(50u, count);
|
|
CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 50, 1));
|
|
|
|
if (aState != WriteState::FINISHED) {
|
|
// We should still be able to write more at this point.
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
|
|
// Verify that we can resume the same row and still stop at the end.
|
|
count = 0;
|
|
WriteState result = aSink->WritePixelsToRow<uint8_t>([&]{
|
|
++count;
|
|
return AsVariant(uint8_t(255));
|
|
});
|
|
|
|
EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
|
|
EXPECT_EQ(50u, count);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 100, 1));
|
|
|
|
return;
|
|
}
|
|
|
|
// We should've finished the surface at this point.
|
|
AssertCorrectPipelineFinalState(aSink,
|
|
IntRect(0, 0, 100, 100),
|
|
IntRect(0, 0, 100, 100));
|
|
|
|
// Attempt to write more and make sure that nothing gets written.
|
|
count = 0;
|
|
result = aSink->WritePixelsToRow<uint8_t>([&]{
|
|
count++;
|
|
return AsVariant(uint8_t(128));
|
|
});
|
|
|
|
EXPECT_EQ(WriteState::FINISHED, result);
|
|
EXPECT_EQ(0u, count);
|
|
EXPECT_TRUE(aSink->IsSurfaceFinished());
|
|
|
|
// Check that the generated image is still correct.
|
|
CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 50, 1));
|
|
};
|
|
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[&](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
checkEarlyExit(aDecoder, aSink, WriteState::NEED_MORE_DATA);
|
|
});
|
|
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[&](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
checkEarlyExit(aDecoder, aSink, WriteState::FAILURE);
|
|
});
|
|
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[&](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
checkEarlyExit(aDecoder, aSink, WriteState::FINISHED);
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteBuffer)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
// Create a buffer the same size as one row of the surface (which is 100x100),
|
|
// containing 60 pixels of 255 in the middle and 20 transparent pixels of 0 on
|
|
// either side.
|
|
uint8_t buffer[100];
|
|
for (int i = 0; i < 100; ++i) {
|
|
buffer[i] = 20 <= i && i < 80 ? 255 : 0;
|
|
}
|
|
|
|
// Write the buffer to every row of the surface and check that the generated
|
|
// image is correct.
|
|
CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(20, 0, 60, 100), [&]{
|
|
return aSink->WriteBuffer(buffer);
|
|
});
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteBufferPartialRow)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
// Create a buffer the same size as one row of the surface, containing all
|
|
// 255 pixels.
|
|
uint8_t buffer[100];
|
|
for (int i = 0; i < 100; ++i) {
|
|
buffer[i] = 255;
|
|
}
|
|
|
|
// Write the buffer to the middle 60 pixels of every row of the surface and
|
|
// check that the generated image is correct.
|
|
CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(20, 0, 60, 100), [&]{
|
|
return aSink->WriteBuffer(buffer, 20, 60);
|
|
});
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteBufferPartialRowStartColOverflow)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
// Create a buffer the same size as one row of the surface, containing all
|
|
// 255 pixels.
|
|
uint8_t buffer[100];
|
|
for (int i = 0; i < 100; ++i) {
|
|
buffer[i] = 255;
|
|
}
|
|
|
|
{
|
|
// Write the buffer to successive rows until every row of the surface
|
|
// has been written. We place the start column beyond the end of the row,
|
|
// which will prevent us from writing anything, so we check that the
|
|
// generated image is entirely 0.
|
|
CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(0, 0, 0, 0), [&]{
|
|
return aSink->WriteBuffer(buffer, 100, 100);
|
|
});
|
|
}
|
|
|
|
ResetForNextPass(aSink);
|
|
|
|
{
|
|
// Write the buffer to successive rows until every row of the surface
|
|
// has been written. We use column 50 as the start column, but we still
|
|
// write the buffer, which means we overflow the right edge of the surface
|
|
// by 50 pixels. We check that the left half of the generated image is
|
|
// 0 and the right half is 255.
|
|
CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(50, 0, 50, 100), [&]{
|
|
return aSink->WriteBuffer(buffer, 50, 100);
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteBufferPartialRowBufferOverflow)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
// Create a buffer twice as large as a row of the surface. The first half
|
|
// (which is as large as a row of the image) will contain 255 pixels,
|
|
// while the second half will contain 128 pixels.
|
|
uint8_t buffer[200];
|
|
for (int i = 0; i < 200; ++i) {
|
|
buffer[i] = i < 100 ? 255 : 128;
|
|
}
|
|
|
|
{
|
|
// Write the buffer to successive rows until every row of the surface has
|
|
// been written. The buffer extends 100 pixels to the right of a row of
|
|
// the surface, but bounds checking will prevent us from overflowing the
|
|
// buffer. We check that the generated image is entirely 255 since the
|
|
// pixels on the right side of the buffer shouldn't have been written to
|
|
// the surface.
|
|
CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(0, 0, 100, 100), [&]{
|
|
return aSink->WriteBuffer(buffer, 0, 200);
|
|
});
|
|
}
|
|
|
|
ResetForNextPass(aSink);
|
|
|
|
{
|
|
// Write from the buffer to the middle of each row of the surface. That
|
|
// means that the left side of each row should be 0, since we didn't write
|
|
// anything there. A buffer overflow would cause us to write buffer
|
|
// contents into the left side of each row. We check that the generated
|
|
// image is 0 on the left side and 255 on the right.
|
|
CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(50, 0, 50, 100), [&]{
|
|
return aSink->WriteBuffer(buffer, 50, 200);
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteBufferFromNullSource)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
// Calling WriteBuffer() with a null pointer should fail without making any
|
|
// changes to the surface.
|
|
uint8_t* nullBuffer = nullptr;
|
|
WriteState result = aSink->WriteBuffer(nullBuffer);
|
|
|
|
EXPECT_EQ(WriteState::FAILURE, result);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
Maybe<SurfaceInvalidRect> invalidRect = aSink->TakeInvalidRect();
|
|
EXPECT_TRUE(invalidRect.isNothing());
|
|
|
|
// Check that nothing got written to the surface.
|
|
CheckGeneratedPalettedImage(aDecoder, IntRect(0, 0, 0, 0));
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteEmptyRow)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
{
|
|
// Write an empty row to each row of the surface. We check that the
|
|
// generated image is entirely 0.
|
|
CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(0, 0, 0, 0), [&]{
|
|
return aSink->WriteEmptyRow();
|
|
});
|
|
}
|
|
|
|
ResetForNextPass(aSink);
|
|
|
|
{
|
|
// Write a partial row before we begin calling WriteEmptyRow(). We check
|
|
// that the generated image is entirely 0, which is to be expected since
|
|
// WriteEmptyRow() overwrites the current row even if some data has
|
|
// already been written to it.
|
|
uint32_t count = 0;
|
|
auto result = aSink->WritePixels<uint8_t>([&]() -> NextPixel<uint8_t> {
|
|
if (count == 50) {
|
|
return AsVariant(WriteState::NEED_MORE_DATA);
|
|
}
|
|
++count;
|
|
return AsVariant(uint8_t(255));
|
|
});
|
|
|
|
EXPECT_EQ(WriteState::NEED_MORE_DATA, result);
|
|
EXPECT_EQ(50u, count);
|
|
EXPECT_FALSE(aSink->IsSurfaceFinished());
|
|
|
|
CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(0, 0, 0, 0), [&]{
|
|
return aSink->WriteEmptyRow();
|
|
});
|
|
}
|
|
|
|
ResetForNextPass(aSink);
|
|
|
|
{
|
|
// Create a buffer the same size as one row of the surface, containing all
|
|
// 255 pixels.
|
|
uint8_t buffer[100];
|
|
for (int i = 0; i < 100; ++i) {
|
|
buffer[i] = 255;
|
|
}
|
|
|
|
// Write an empty row to the middle 60 rows of the surface. The first 20
|
|
// and last 20 rows will be 255. (We need to use DoCheckIterativeWrite()
|
|
// here because we need a custom function to check the output, since it
|
|
// can't be described by a simple rect.)
|
|
auto writeFunc = [&](uint32_t aRow) {
|
|
if (aRow < 20 || aRow >= 80) {
|
|
return aSink->WriteBuffer(buffer);
|
|
} else {
|
|
return aSink->WriteEmptyRow();
|
|
}
|
|
};
|
|
|
|
auto checkFunc = [&]{
|
|
EXPECT_TRUE(PalettedRowsAreSolidColor(aDecoder, 0, 20, 255));
|
|
EXPECT_TRUE(PalettedRowsAreSolidColor(aDecoder, 20, 60, 0));
|
|
EXPECT_TRUE(PalettedRowsAreSolidColor(aDecoder, 80, 20, 255));
|
|
};
|
|
|
|
DoCheckIterativeWrite(aSink, writeFunc, checkFunc);
|
|
}
|
|
});
|
|
}
|
|
|
|
TEST(ImageSurfaceSink, PalettedSurfaceSinkWriteUnsafeComputedRow)
|
|
{
|
|
WithPalettedSurfaceSink(IntRect(0, 0, 100, 100),
|
|
[](Decoder* aDecoder, PalettedSurfaceSink* aSink) {
|
|
// Create an all-255 buffer the same size as one row of the surface.
|
|
uint8_t buffer[100];
|
|
for (int i = 0; i < 100; ++i) {
|
|
buffer[i] = 255;
|
|
}
|
|
|
|
// Write the buffer to successive rows until every row of the surface has
|
|
// been written. We only write to the right half of each row, so we check
|
|
// that the left side of the generated image is 0 and the right side is 255.
|
|
CheckPalettedIterativeWrite(aDecoder, aSink, IntRect(50, 0, 50, 100), [&]{
|
|
return aSink->WriteUnsafeComputedRow<uint8_t>([&](uint8_t* aRow,
|
|
uint32_t aLength) {
|
|
EXPECT_EQ(100u, aLength );
|
|
memcpy(aRow + 50, buffer, 50 * sizeof(uint8_t));
|
|
});
|
|
});
|
|
});
|
|
}
|