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Unified Diff: third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DUsageTrackingTest.cpp

Issue 2903053002: Removing canvas rendering mode switching feature (Closed)
Patch Set: fix test failure Created 3 years, 7 months ago
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Index: third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DUsageTrackingTest.cpp
diff --git a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DUsageTrackingTest.cpp b/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DUsageTrackingTest.cpp
deleted file mode 100644
index 4bbf0840eb64b7ec0597ee670919437894ef6da8..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DUsageTrackingTest.cpp
+++ /dev/null
@@ -1,684 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "modules/canvas2d/CanvasRenderingContext2D.h"
-
-#include "bindings/core/v8/V8BindingForCore.h"
-#include "core/dom/Document.h"
-#include "core/frame/FrameView.h"
-#include "core/frame/Settings.h"
-#include "core/html/HTMLCanvasElement.h"
-#include "core/html/ImageData.h"
-#include "core/loader/EmptyClients.h"
-#include "core/testing/DummyPageHolder.h"
-#include "modules/accessibility/AXObjectCacheImpl.h"
-#include "modules/canvas2d/CanvasGradient.h"
-#include "modules/canvas2d/CanvasPattern.h"
-#include "modules/canvas2d/HitRegionOptions.h"
-#include "modules/canvas2d/Path2D.h"
-#include "modules/webgl/WebGLRenderingContext.h"
-#include "platform/RuntimeEnabledFeatures.h"
-#include "platform/graphics/StaticBitmapImage.h"
-#include "platform/graphics/UnacceleratedImageBufferSurface.h"
-#include "platform/loader/fetch/MemoryCache.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/skia/include/core/SkSurface.h"
-
-using ::testing::Mock;
-
-namespace blink {
-namespace UsageTrackingTests {
-
-enum BitmapOpacity { kOpaqueBitmap, kTransparentBitmap };
-
-class FakeImageSource : public CanvasImageSource {
- public:
- FakeImageSource(IntSize, BitmapOpacity);
-
- PassRefPtr<Image> GetSourceImageForCanvas(SourceImageStatus*,
- AccelerationHint,
- SnapshotReason,
- const FloatSize&) override;
-
- bool WouldTaintOrigin(
- SecurityOrigin* destination_security_origin) const override {
- return false;
- }
- FloatSize ElementSize(const FloatSize&) const override {
- return FloatSize(size_);
- }
- bool IsOpaque() const override { return is_opaque_; }
- bool IsAccelerated() const override { return false; }
- int SourceWidth() override { return size_.Width(); }
- int SourceHeight() override { return size_.Height(); }
-
- ~FakeImageSource() override {}
-
- private:
- IntSize size_;
- RefPtr<Image> image_;
- bool is_opaque_;
-};
-
-FakeImageSource::FakeImageSource(IntSize size, BitmapOpacity opacity)
- : size_(size), is_opaque_(opacity == kOpaqueBitmap) {
- sk_sp<SkSurface> surface(
- SkSurface::MakeRasterN32Premul(size_.Width(), size_.Height()));
- surface->getCanvas()->clear(opacity == kOpaqueBitmap ? SK_ColorWHITE
- : SK_ColorTRANSPARENT);
- image_ = StaticBitmapImage::Create(surface->makeImageSnapshot());
-}
-
-PassRefPtr<Image> FakeImageSource::GetSourceImageForCanvas(
- SourceImageStatus* status,
- AccelerationHint,
- SnapshotReason,
- const FloatSize&) {
- if (status)
- *status = kNormalSourceImageStatus;
- return image_;
-}
-
-class CanvasRenderingContextUsageTrackingTest : public ::testing::Test {
- protected:
- CanvasRenderingContextUsageTrackingTest();
- void SetUp() override;
-
- DummyPageHolder& Page() const { return *dummy_page_holder_; }
- Document& GetDocument() const { return *document_; }
- HTMLCanvasElement& CanvasElement() const { return *canvas_element_; }
- CanvasRenderingContext2D* Context2d() const;
-
- void CreateContext(OpacityMode);
-
- FakeImageSource opaque_bitmap_;
- FakeImageSource alpha_bitmap_;
- Persistent<ImageData> full_image_data_;
- void TearDown();
-
- ScriptState* GetScriptState() {
- return ToScriptStateForMainWorld(canvas_element_->GetFrame());
- }
-
- private:
- std::shared_ptr<DummyPageHolder> dummy_page_holder_;
- Persistent<Document> document_;
- Persistent<HTMLCanvasElement> canvas_element_;
- Persistent<MemoryCache> global_memory_cache_;
-};
-
-CanvasRenderingContextUsageTrackingTest::
- CanvasRenderingContextUsageTrackingTest()
- : opaque_bitmap_(IntSize(10, 10), kOpaqueBitmap),
- alpha_bitmap_(IntSize(10, 10), kTransparentBitmap) {}
-
-void CanvasRenderingContextUsageTrackingTest::TearDown() {
- ThreadState::Current()->CollectGarbage(BlinkGC::kNoHeapPointersOnStack,
- BlinkGC::kGCWithSweep,
- BlinkGC::kForcedGC);
- ReplaceMemoryCacheForTesting(global_memory_cache_.Release());
-}
-
-CanvasRenderingContext2D* CanvasRenderingContextUsageTrackingTest::Context2d()
- const {
- // If the following check fails, perhaps you forgot to call createContext
- // in your test?
- EXPECT_NE(nullptr, CanvasElement().RenderingContext());
- EXPECT_TRUE(CanvasElement().RenderingContext()->Is2d());
- return static_cast<CanvasRenderingContext2D*>(
- CanvasElement().RenderingContext());
-}
-
-void CanvasRenderingContextUsageTrackingTest::CreateContext(
- OpacityMode opacity_mode) {
- String canvas_type("2d");
- CanvasContextCreationAttributes attributes;
- attributes.setAlpha(opacity_mode == kNonOpaque);
- canvas_element_->GetCanvasRenderingContext(canvas_type, attributes);
- Context2d(); // Calling this for the checks
-}
-
-void CanvasRenderingContextUsageTrackingTest::SetUp() {
- Page::PageClients page_clients;
- FillWithEmptyClients(page_clients);
- dummy_page_holder_ =
- DummyPageHolder::Create(IntSize(800, 600), &page_clients);
- document_ = &dummy_page_holder_->GetDocument();
- document_->documentElement()->setInnerHTML(
- "<body><canvas id='c'></canvas></body>");
- document_->View()->UpdateAllLifecyclePhases();
- canvas_element_ = toHTMLCanvasElement(document_->getElementById("c"));
- full_image_data_ = ImageData::Create(IntSize(10, 10));
-
- global_memory_cache_ = ReplaceMemoryCacheForTesting(MemoryCache::Create());
-
- RuntimeEnabledFeatures::setEnableCanvas2dDynamicRenderingModeSwitchingEnabled(
- true);
-}
-
-TEST_F(CanvasRenderingContextUsageTrackingTest, FillTracking) {
- CreateContext(kNonOpaque);
-
- int num_reps = 100;
- for (int i = 0; i < num_reps; i++) {
- Context2d()->beginPath();
- Context2d()->moveTo(1, 1);
- Context2d()->lineTo(4, 1);
- Context2d()->lineTo(4, 4);
- Context2d()->lineTo(2, 2);
- Context2d()->lineTo(1, 4);
- Context2d()->fill(); // path is not convex
-
- Context2d()->fillText("Hello World!!!", 10, 10, 1);
- Context2d()->fillRect(10, 10, 100, 100);
- Context2d()->fillText("Hello World!!!", 10, 10);
-
- Context2d()->beginPath();
- Context2d()->moveTo(1, 1);
- Context2d()->lineTo(4, 1);
- Context2d()->lineTo(4, 4);
- Context2d()->lineTo(1, 4);
- Context2d()->fill(); // path is convex
-
- Context2d()->fillRect(10, 10, 100, 100);
- }
-
- EXPECT_EQ(num_reps * 2,
- Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillPath]);
- EXPECT_EQ(num_reps * 2,
- Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillRect]);
- EXPECT_EQ(num_reps, Context2d()->GetUsage().num_non_convex_fill_path_calls);
- EXPECT_EQ(num_reps * 2,
- Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillText]);
-
- // areas
- EXPECT_NEAR(
- static_cast<double>(num_reps * (100 * 100) * 2),
- Context2d()
- ->GetUsage()
- .bounding_box_area_draw_calls[BaseRenderingContext2D::kFillRect],
- 1.0);
- EXPECT_NEAR(
- static_cast<double>(num_reps * (2 * 100 + 2 * 100) * 2),
- Context2d()
- ->GetUsage()
- .bounding_box_perimeter_draw_calls[BaseRenderingContext2D::kFillRect],
- 1.0);
-
- EXPECT_TRUE(
- static_cast<double>(num_reps * (100 * 100) * 2) <
- Context2d()
- ->GetUsage()
- .bounding_box_area_fill_type[BaseRenderingContext2D::kColorFillType]);
- EXPECT_TRUE(
- static_cast<double>(num_reps * (100 * 100) * 2) * 1.1 >
- Context2d()
- ->GetUsage()
- .bounding_box_area_fill_type[BaseRenderingContext2D::kColorFillType]);
-
- EXPECT_NEAR(
- static_cast<double>(num_reps * (3 * 3) * 2),
- Context2d()
- ->GetUsage()
- .bounding_box_area_draw_calls[BaseRenderingContext2D::kFillPath],
- 1.0);
- EXPECT_NEAR(
- static_cast<double>(num_reps * (2 * 3 + 2 * 3) * 2),
- Context2d()
- ->GetUsage()
- .bounding_box_perimeter_draw_calls[BaseRenderingContext2D::kFillPath],
- 1.0);
-
- EXPECT_TRUE(Context2d()->GetUsage().bounding_box_perimeter_draw_calls
- [BaseRenderingContext2D::kFillText] > 0.0);
- EXPECT_TRUE(Context2d()->GetUsage().bounding_box_perimeter_draw_calls
- [BaseRenderingContext2D::kStrokeText] == 0.0);
-
- // create gradient
- CanvasGradient* gradient;
- gradient = Context2d()->createLinearGradient(0, 0, 100, 100);
- Context2d()->setFillStyle(
- StringOrCanvasGradientOrCanvasPattern::fromCanvasGradient(gradient));
- Context2d()->fillRect(10, 10, 100, 20);
- EXPECT_EQ(1, Context2d()->GetUsage().num_linear_gradients);
- EXPECT_NEAR(100 * 20,
- Context2d()->GetUsage().bounding_box_area_fill_type
- [BaseRenderingContext2D::kLinearGradientFillType],
- 1.0);
-
- NonThrowableExceptionState exception_state;
- gradient = Context2d()->createRadialGradient(0, 0, 100, 100, 200, 200,
- exception_state);
- Context2d()->setFillStyle(
- StringOrCanvasGradientOrCanvasPattern::fromCanvasGradient(gradient));
- Context2d()->fillRect(10, 10, 100, 20);
- EXPECT_EQ(1, Context2d()->GetUsage().num_linear_gradients);
- EXPECT_EQ(1, Context2d()->GetUsage().num_radial_gradients);
- EXPECT_NEAR(100 * 20,
- Context2d()->GetUsage().bounding_box_area_fill_type
- [BaseRenderingContext2D::kRadialGradientFillType],
- 1.0);
-
- // create pattern
- NonThrowableExceptionState exception_state2;
- CanvasPattern* canvas_pattern = Context2d()->createPattern(
- GetScriptState(), &opaque_bitmap_, "repeat-x", exception_state2);
- StringOrCanvasGradientOrCanvasPattern pattern =
- StringOrCanvasGradientOrCanvasPattern::fromCanvasPattern(canvas_pattern);
- Context2d()->setFillStyle(pattern);
- Context2d()->fillRect(10, 10, 200, 100);
- EXPECT_EQ(1, Context2d()->GetUsage().num_patterns);
- EXPECT_NEAR(200 * 100,
- Context2d()->GetUsage().bounding_box_area_fill_type
- [BaseRenderingContext2D::kPatternFillType],
- 1.0);
-
- // Other fill method
- Context2d()->fill(Path2D::Create("Hello World!!!"));
- EXPECT_EQ(num_reps * 2 + 1,
- Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillPath]);
-
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kStrokePath]);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kStrokeText]);
- EXPECT_EQ(0, Context2d()->GetUsage().num_put_image_data_calls);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kDrawVectorImage]);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kDrawBitmapImage]);
- EXPECT_EQ(0, Context2d()->GetUsage().num_get_image_data_calls);
-}
-
-TEST_F(CanvasRenderingContextUsageTrackingTest, StrokeTracking) {
- CreateContext(kNonOpaque);
-
- int num_reps = 100;
- for (int i = 0; i < num_reps; i++) {
- Context2d()->strokeRect(10, 10, 100, 100);
-
- Context2d()->beginPath();
- Context2d()->moveTo(1, 1);
- Context2d()->lineTo(4, 1);
- Context2d()->lineTo(4, 4);
- Context2d()->lineTo(2, 2);
- Context2d()->lineTo(1, 4);
- Context2d()->stroke();
-
- Context2d()->strokeText("Hello World!!!", 10, 10, 1);
-
- Context2d()->strokeRect(10, 10, 100, 100);
- Context2d()->strokeText("Hello World!!!", 10, 10);
- }
-
- EXPECT_EQ(num_reps, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kStrokePath]);
- EXPECT_EQ(num_reps * 2,
- Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kStrokeRect]);
- EXPECT_EQ(num_reps * 2,
- Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kStrokeText]);
-
- EXPECT_NEAR(
- static_cast<double>(num_reps * (100 * 100) * 2),
- Context2d()
- ->GetUsage()
- .bounding_box_area_draw_calls[BaseRenderingContext2D::kStrokeRect],
- 1.0);
- EXPECT_NEAR(static_cast<double>(num_reps * (2 * 100 + 2 * 100) * 2),
- Context2d()->GetUsage().bounding_box_perimeter_draw_calls
- [BaseRenderingContext2D::kStrokeRect],
- 1.0);
- EXPECT_NEAR(
- static_cast<double>(num_reps * (3 * 3)),
- Context2d()
- ->GetUsage()
- .bounding_box_area_draw_calls[BaseRenderingContext2D::kStrokePath],
- 1.0);
- EXPECT_NEAR(static_cast<double>(num_reps * (2 * 3 + 2 * 3)),
- Context2d()->GetUsage().bounding_box_perimeter_draw_calls
- [BaseRenderingContext2D::kStrokePath],
- 1.0);
-
- // create gradient
- CanvasGradient* gradient;
- gradient = Context2d()->createLinearGradient(0, 0, 100, 100);
- Context2d()->setStrokeStyle(
- StringOrCanvasGradientOrCanvasPattern::fromCanvasGradient(gradient));
- Context2d()->strokeRect(10, 10, 100, 100);
- EXPECT_EQ(1, Context2d()->GetUsage().num_linear_gradients);
- EXPECT_NEAR(100 * 100,
- Context2d()->GetUsage().bounding_box_area_fill_type
- [BaseRenderingContext2D::kLinearGradientFillType],
- 1.0);
-
- // create pattern
- NonThrowableExceptionState exception_state;
- CanvasPattern* canvas_pattern = Context2d()->createPattern(
- GetScriptState(), &opaque_bitmap_, "repeat-x", exception_state);
- StringOrCanvasGradientOrCanvasPattern pattern =
- StringOrCanvasGradientOrCanvasPattern::fromCanvasPattern(canvas_pattern);
- Context2d()->setStrokeStyle(pattern);
- Context2d()->strokeRect(10, 10, 100, 100);
- EXPECT_EQ(1, Context2d()->GetUsage().num_patterns);
- EXPECT_NEAR(100 * 100,
- Context2d()->GetUsage().bounding_box_area_fill_type
- [BaseRenderingContext2D::kPatternFillType],
- 1.0);
-
- // Other stroke method
- Context2d()->stroke(Path2D::Create("Hello World!!!"));
- EXPECT_EQ(num_reps + 1,
- Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kStrokePath]);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillPath]);
- EXPECT_EQ(0, Context2d()->GetUsage().num_non_convex_fill_path_calls);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillText]);
- EXPECT_EQ(0, Context2d()->GetUsage().num_put_image_data_calls);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kDrawVectorImage]);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kDrawBitmapImage]);
- EXPECT_EQ(0, Context2d()->GetUsage().num_get_image_data_calls);
-}
-
-TEST_F(CanvasRenderingContextUsageTrackingTest, ImageTracking) {
- // Testing draw, put, get and filters
- CreateContext(kNonOpaque);
- NonThrowableExceptionState exception_state;
-
- int num_reps = 5;
- int img_width = 100;
- int img_height = 200;
- for (int i = 0; i < num_reps; i++) {
- Context2d()->putImageData(full_image_data_.Get(), 0, 0, exception_state);
- Context2d()->drawImage(GetScriptState(), &opaque_bitmap_, 0, 0, 1, 1, 0, 0,
- img_width, img_height, exception_state);
- Context2d()->getImageData(0, 0, 10, 100, exception_state);
- }
-
- EXPECT_NEAR(num_reps * img_width * img_height,
- Context2d()->GetUsage().bounding_box_area_draw_calls
- [BaseRenderingContext2D::kDrawBitmapImage],
- 0.1);
- EXPECT_NEAR(num_reps * (2 * img_width + 2 * img_height),
- Context2d()->GetUsage().bounding_box_perimeter_draw_calls
- [BaseRenderingContext2D::kDrawBitmapImage],
- 0.1);
-
- EXPECT_NEAR(0.0,
- Context2d()->GetUsage().bounding_box_area_draw_calls
- [BaseRenderingContext2D::kDrawVectorImage],
- 0.1);
- EXPECT_NEAR(0.0,
- Context2d()->GetUsage().bounding_box_perimeter_draw_calls
- [BaseRenderingContext2D::kDrawVectorImage],
- 0.1);
-
- Context2d()->setFilter("blur(5px)");
- Context2d()->drawImage(GetScriptState(), &opaque_bitmap_, 0, 0, 1, 1, 0, 0,
- 10, 10, exception_state);
-
- EXPECT_EQ(num_reps, Context2d()->GetUsage().num_put_image_data_calls);
- EXPECT_NE(0, Context2d()->GetUsage().area_put_image_data_calls);
- EXPECT_NEAR(num_reps * full_image_data_.Get()->width() *
- full_image_data_.Get()->height(),
- Context2d()->GetUsage().area_put_image_data_calls, 0.1);
-
- EXPECT_EQ(num_reps + 1,
- Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kDrawBitmapImage]);
- EXPECT_EQ(num_reps, Context2d()->GetUsage().num_get_image_data_calls);
-
- EXPECT_EQ(1, Context2d()->GetUsage().num_filters);
- EXPECT_NEAR(num_reps * 10 * 100,
- Context2d()->GetUsage().area_get_image_data_calls, 0.1);
-
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillPath]);
- EXPECT_EQ(0, Context2d()->GetUsage().num_non_convex_fill_path_calls);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillText]);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kStrokePath]);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kStrokeText]);
-}
-
-TEST_F(CanvasRenderingContextUsageTrackingTest, ClearRectTracking) {
- CreateContext(kNonOpaque);
- Context2d()->clearRect(0, 0, 1, 1);
- Context2d()->clearRect(0, 0, 2, 2);
- EXPECT_EQ(2, Context2d()->GetUsage().num_clear_rect_calls);
-
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillPath]);
- EXPECT_EQ(0, Context2d()->GetUsage().num_non_convex_fill_path_calls);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillText]);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kStrokePath]);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kStrokeText]);
-}
-
-TEST_F(CanvasRenderingContextUsageTrackingTest, ComplexClipsTracking) {
- CreateContext(kNonOpaque);
- Context2d()->save();
-
- // simple clip
- Context2d()->beginPath();
- Context2d()->moveTo(1, 1);
- Context2d()->lineTo(4, 1);
- Context2d()->lineTo(4, 4);
- Context2d()->lineTo(1, 4);
- Context2d()->clip("nonzero");
- Context2d()->fillRect(0, 0, 1, 1);
- EXPECT_EQ(0, Context2d()->GetUsage().num_draw_with_complex_clips);
-
- // complex clips
- int num_reps = 5;
- for (int i = 0; i < num_reps; i++) {
- Context2d()->beginPath();
- Context2d()->moveTo(1, 1);
- Context2d()->lineTo(4, 1);
- Context2d()->lineTo(4, 4);
- Context2d()->lineTo(2, 2);
- Context2d()->lineTo(1, 4);
- Context2d()->clip("nonzero");
- Context2d()->fillRect(0, 0, 1, 1);
- }
-
- // remove all previous clips
- Context2d()->restore();
-
- // simple clip again
- Context2d()->beginPath();
- Context2d()->moveTo(1, 1);
- Context2d()->lineTo(4, 1);
- Context2d()->lineTo(4, 4);
- Context2d()->lineTo(1, 4);
- Context2d()->clip("nonzero");
- Context2d()->fillRect(0, 0, 1, 1);
-
- EXPECT_EQ(num_reps, Context2d()->GetUsage().num_draw_with_complex_clips);
-}
-
-TEST_F(CanvasRenderingContextUsageTrackingTest, ShadowsTracking) {
- CreateContext(kNonOpaque);
-
- Context2d()->beginPath();
- Context2d()->fillRect(0, 0, 1, 1);
-
- // shadow with blur = 0
- Context2d()->beginPath();
- Context2d()->setShadowBlur(0.0);
- Context2d()->setShadowColor("rgba(255, 0, 0, 0.5)");
- Context2d()->setShadowOffsetX(1.0);
- Context2d()->setShadowOffsetY(1.0);
- Context2d()->fillRect(0, 0, 1, 1);
-
- // shadow with alpha = 0
- Context2d()->beginPath();
- Context2d()->setShadowBlur(0.5);
- Context2d()->setShadowColor("rgba(255, 0, 0, 0)");
- Context2d()->setShadowOffsetX(1.0);
- Context2d()->setShadowOffsetY(1.0);
- Context2d()->fillRect(0, 0, 1, 1);
-
- EXPECT_EQ(0, Context2d()->GetUsage().num_blurred_shadows);
- EXPECT_NEAR(
- 0.0, Context2d()->GetUsage().bounding_box_area_times_shadow_blur_squared,
- 0.1);
- EXPECT_NEAR(
- 0.0,
- Context2d()->GetUsage().bounding_box_perimeter_times_shadow_blur_squared,
- 0.1);
-
- int num_reps = 5;
- double shadow_blur = 0.5;
- for (int i = 0; i < num_reps; i++) {
- Context2d()->beginPath();
- Context2d()->setShadowBlur(shadow_blur);
- Context2d()->setShadowColor("rgba(255, 0, 0, 0.5)");
- Context2d()->setShadowOffsetX(1.0);
- Context2d()->setShadowOffsetY(1.0);
- Context2d()->fillRect(0, 0, 3, 10);
- }
- EXPECT_EQ(num_reps, Context2d()->GetUsage().num_blurred_shadows);
-
- double area_times_shadow_blur_squared =
- shadow_blur * shadow_blur * num_reps * 3 * 10;
- double perimeter_times_shadow_blur_squared =
- shadow_blur * shadow_blur * num_reps * (2 * 3 + 2 * 10);
- EXPECT_NEAR(
- area_times_shadow_blur_squared,
- Context2d()->GetUsage().bounding_box_area_times_shadow_blur_squared, 0.1);
- EXPECT_NEAR(
- perimeter_times_shadow_blur_squared,
- Context2d()->GetUsage().bounding_box_perimeter_times_shadow_blur_squared,
- 0.1);
-
- double shadow_blur2 = 4.5;
- Context2d()->beginPath();
- Context2d()->setShadowBlur(shadow_blur2);
- Context2d()->moveTo(1, 1);
- Context2d()->lineTo(4, 1);
- Context2d()->lineTo(4, 4);
- Context2d()->lineTo(2, 2);
- Context2d()->lineTo(1, 4);
- Context2d()->fill();
-
- area_times_shadow_blur_squared += 3.0 * 3.0 * shadow_blur2 * shadow_blur2;
- perimeter_times_shadow_blur_squared +=
- (2 * 3 + 2 * 3) * shadow_blur2 * shadow_blur2;
- EXPECT_NEAR(
- area_times_shadow_blur_squared,
- Context2d()->GetUsage().bounding_box_area_times_shadow_blur_squared, 0.1);
- EXPECT_NEAR(
- perimeter_times_shadow_blur_squared,
- Context2d()->GetUsage().bounding_box_perimeter_times_shadow_blur_squared,
- 0.1);
-
- NonThrowableExceptionState exception_state;
- int img_width = 100;
- int img_height = 200;
- for (int i = 0; i < num_reps; i++) {
- Context2d()->putImageData(full_image_data_.Get(), 0, 0, exception_state);
- Context2d()->setShadowBlur(shadow_blur2);
- Context2d()->drawImage(GetScriptState(), &opaque_bitmap_, 0, 0, 1, 1, 0, 0,
- img_width, img_height, exception_state);
- Context2d()->getImageData(0, 0, 1, 1, exception_state);
- }
-
- area_times_shadow_blur_squared +=
- img_width * img_height * shadow_blur2 * shadow_blur2 * num_reps;
- perimeter_times_shadow_blur_squared +=
- (2 * img_width + 2 * img_height) * shadow_blur2 * shadow_blur2 * num_reps;
- EXPECT_NEAR(
- area_times_shadow_blur_squared,
- Context2d()->GetUsage().bounding_box_area_times_shadow_blur_squared, 0.1);
- EXPECT_NEAR(
- perimeter_times_shadow_blur_squared,
- Context2d()->GetUsage().bounding_box_perimeter_times_shadow_blur_squared,
- 0.1);
-}
-
-TEST_F(CanvasRenderingContextUsageTrackingTest, incrementFrameCount) {
- CreateContext(kNonOpaque);
- EXPECT_EQ(0, Context2d()->GetUsage().num_frames_since_reset);
-
- Context2d()->FinalizeFrame();
- EXPECT_EQ(1, Context2d()->GetUsage().num_frames_since_reset);
-
- Context2d()->FinalizeFrame();
- Context2d()->FinalizeFrame();
- EXPECT_EQ(3, Context2d()->GetUsage().num_frames_since_reset);
-}
-
-TEST_F(CanvasRenderingContextUsageTrackingTest, resetUsageTracking) {
- CreateContext(kNonOpaque);
- EXPECT_EQ(0, Context2d()->GetUsage().num_frames_since_reset);
-
- Context2d()->FinalizeFrame();
- Context2d()->FinalizeFrame();
- EXPECT_EQ(2, Context2d()->GetUsage().num_frames_since_reset);
-
- const int kNumReps = 100;
- for (int i = 0; i < kNumReps; i++) {
- Context2d()->fillRect(10, 10, 100, 100);
- }
- EXPECT_EQ(kNumReps, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillRect]);
-
- Context2d()->ResetUsageTracking();
- EXPECT_EQ(0, Context2d()->GetUsage().num_frames_since_reset);
- EXPECT_EQ(0, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillRect]);
-
- for (int i = 0; i < kNumReps; i++) {
- Context2d()->fillRect(10, 10, 100, 100);
- }
- EXPECT_EQ(kNumReps, Context2d()
- ->GetUsage()
- .num_draw_calls[BaseRenderingContext2D::kFillRect]);
-}
-
-} // namespace UsageTrackingTests
-} // namespace blink
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