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flutter / mirrors / engine / 2f04c999661f35e09d38e801061d1db26c69a5c9 / . / display_list / display_list_unittests.cc
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// Copyright 2013 The Flutter 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 <memory>
#include <string>
#include <unordered_set>
#include <utility>
#include <vector>
#include "flutter/display_list/display_list.h"
#include "flutter/display_list/display_list_blend_mode.h"
#include "flutter/display_list/display_list_builder.h"
#include "flutter/display_list/display_list_canvas_recorder.h"
#include "flutter/display_list/display_list_paint.h"
#include "flutter/display_list/display_list_rtree.h"
#include "flutter/display_list/display_list_test_utils.h"
#include "flutter/display_list/display_list_utils.h"
#include "flutter/fml/logging.h"
#include "flutter/fml/math.h"
#include "flutter/testing/display_list_testing.h"
#include "flutter/testing/testing.h"
namespace flutter {
namespace testing {
static std::vector<testing::DisplayListInvocationGroup> allGroups =
CreateAllGroups();
#ifndef NDEBUG
TEST(DisplayList, CallMethodAfterBuild) {
DisplayListCanvasRecorder recorder(kTestBounds);
recorder.drawRect(kTestBounds, SkPaint());
recorder.Build();
EXPECT_DEATH_IF_SUPPORTED(
recorder.drawRect(kTestBounds, SkPaint()),
"Calling method on DisplayListCanvasRecorder after Build\\(\\)");
}
#endif // NDEBUG
TEST(DisplayList, SingleOpSizes) {
for (auto& group : allGroups) {
for (size_t i = 0; i < group.variants.size(); i++) {
auto& invocation = group.variants[i];
sk_sp<DisplayList> dl = invocation.Build();
auto desc = group.op_name + "(variant " + std::to_string(i + 1) + ")";
ASSERT_EQ(dl->op_count(false), invocation.op_count()) << desc;
ASSERT_EQ(dl->bytes(false), invocation.byte_count()) << desc;
}
}
}
TEST(DisplayList, SingleOpDisplayListsNotEqualEmpty) {
sk_sp<DisplayList> empty = DisplayListBuilder().Build();
for (auto& group : allGroups) {
for (size_t i = 0; i < group.variants.size(); i++) {
sk_sp<DisplayList> dl = group.variants[i].Build();
auto desc =
group.op_name + "(variant " + std::to_string(i + 1) + " != empty)";
if (group.variants[i].is_empty()) {
ASSERT_TRUE(DisplayListsEQ_Verbose(dl, empty));
ASSERT_TRUE(empty->Equals(*dl)) << desc;
} else {
ASSERT_TRUE(DisplayListsNE_Verbose(dl, empty));
ASSERT_FALSE(empty->Equals(*dl)) << desc;
}
}
}
}
TEST(DisplayList, SingleOpDisplayListsRecapturedAreEqual) {
for (auto& group : allGroups) {
for (size_t i = 0; i < group.variants.size(); i++) {
sk_sp<DisplayList> dl = group.variants[i].Build();
// Verify recapturing the replay of the display list is Equals()
// when dispatching directly from the DL to another builder
DisplayListBuilder builder;
dl->Dispatch(builder);
sk_sp<DisplayList> copy = builder.Build();
auto desc =
group.op_name + "(variant " + std::to_string(i + 1) + " == copy)";
ASSERT_EQ(copy->op_count(false), dl->op_count(false)) << desc;
ASSERT_EQ(copy->bytes(false), dl->bytes(false)) << desc;
ASSERT_EQ(copy->op_count(true), dl->op_count(true)) << desc;
ASSERT_EQ(copy->bytes(true), dl->bytes(true)) << desc;
ASSERT_EQ(copy->bounds(), dl->bounds()) << desc;
ASSERT_TRUE(copy->Equals(*dl)) << desc;
ASSERT_TRUE(dl->Equals(*copy)) << desc;
}
}
}
TEST(DisplayList, SingleOpDisplayListsRecapturedViaSkCanvasAreEqual) {
for (auto& group : allGroups) {
for (size_t i = 0; i < group.variants.size(); i++) {
if (group.variants[i].sk_testing_invalid()) {
continue;
}
// Verify a DisplayList (re)built by "rendering" it to an
// [SkCanvas->DisplayList] recorder recaptures an equivalent
// sequence.
// Note that sometimes the rendering ops can be optimized out by
// SkCanvas so the transfer is not always 1:1. We control for
// this by having separate op counts and sizes for the sk results
// and changing our expectation of Equals() results accordingly.
sk_sp<DisplayList> dl = group.variants[i].Build();
DisplayListCanvasRecorder recorder(dl->bounds());
dl->RenderTo(&recorder);
sk_sp<DisplayList> sk_copy = recorder.Build();
auto desc = group.op_name + "[variant " + std::to_string(i + 1) + "]";
EXPECT_EQ(static_cast<int>(sk_copy->op_count(false)),
group.variants[i].sk_op_count())
<< desc;
EXPECT_EQ(sk_copy->bytes(false), group.variants[i].sk_byte_count())
<< desc;
if (group.variants[i].sk_version_matches()) {
EXPECT_EQ(sk_copy->bounds(), dl->bounds()) << desc;
EXPECT_TRUE(dl->Equals(*sk_copy)) << desc << " == sk_copy";
EXPECT_TRUE(sk_copy->Equals(*dl)) << "sk_copy == " << desc;
} else {
// No assertion on bounds
// they could be equal, hard to tell
EXPECT_FALSE(dl->Equals(*sk_copy)) << desc << " != sk_copy";
EXPECT_FALSE(sk_copy->Equals(*dl)) << "sk_copy != " << desc;
}
}
}
}
TEST(DisplayList, SingleOpDisplayListsCompareToEachOther) {
for (auto& group : allGroups) {
std::vector<sk_sp<DisplayList>> lists_a;
std::vector<sk_sp<DisplayList>> lists_b;
for (size_t i = 0; i < group.variants.size(); i++) {
lists_a.push_back(group.variants[i].Build());
lists_b.push_back(group.variants[i].Build());
}
for (size_t i = 0; i < lists_a.size(); i++) {
sk_sp<DisplayList> listA = lists_a[i];
for (size_t j = 0; j < lists_b.size(); j++) {
sk_sp<DisplayList> listB = lists_b[j];
auto desc = group.op_name + "(variant " + std::to_string(i + 1) +
" ==? variant " + std::to_string(j + 1) + ")";
if (i == j ||
(group.variants[i].is_empty() && group.variants[j].is_empty())) {
// They are the same variant, or both variants are NOPs
ASSERT_EQ(listA->op_count(false), listB->op_count(false)) << desc;
ASSERT_EQ(listA->bytes(false), listB->bytes(false)) << desc;
ASSERT_EQ(listA->op_count(true), listB->op_count(true)) << desc;
ASSERT_EQ(listA->bytes(true), listB->bytes(true)) << desc;
ASSERT_EQ(listA->bounds(), listB->bounds()) << desc;
ASSERT_TRUE(listA->Equals(*listB)) << desc;
ASSERT_TRUE(listB->Equals(*listA)) << desc;
} else {
// No assertion on op/byte counts or bounds
// they may or may not be equal between variants
ASSERT_FALSE(listA->Equals(*listB)) << desc;
ASSERT_FALSE(listB->Equals(*listA)) << desc;
}
}
}
}
}
TEST(DisplayList, FullRotationsAreNop) {
DisplayListBuilder builder;
builder.rotate(0);
builder.rotate(360);
builder.rotate(720);
builder.rotate(1080);
builder.rotate(1440);
sk_sp<DisplayList> dl = builder.Build();
ASSERT_EQ(dl->bytes(false), sizeof(DisplayList));
ASSERT_EQ(dl->bytes(true), sizeof(DisplayList));
ASSERT_EQ(dl->op_count(false), 0u);
ASSERT_EQ(dl->op_count(true), 0u);
}
TEST(DisplayList, AllBlendModeNops) {
DisplayListBuilder builder;
builder.setBlendMode(DlBlendMode::kSrcOver);
builder.setBlender(nullptr);
sk_sp<DisplayList> dl = builder.Build();
ASSERT_EQ(dl->bytes(false), sizeof(DisplayList));
ASSERT_EQ(dl->bytes(true), sizeof(DisplayList));
ASSERT_EQ(dl->op_count(false), 0u);
ASSERT_EQ(dl->op_count(true), 0u);
}
static sk_sp<DisplayList> Build(size_t g_index, size_t v_index) {
DisplayListBuilder builder;
unsigned int op_count = 0;
size_t byte_count = 0;
for (size_t i = 0; i < allGroups.size(); i++) {
DisplayListInvocationGroup& group = allGroups[i];
size_t j = (i == g_index ? v_index : 0);
if (j >= group.variants.size()) {
continue;
}
DisplayListInvocation& invocation = group.variants[j];
op_count += invocation.op_count();
byte_count += invocation.raw_byte_count();
invocation.invoker(builder);
}
sk_sp<DisplayList> dl = builder.Build();
std::string name;
if (g_index >= allGroups.size()) {
name = "Default";
} else {
name = allGroups[g_index].op_name;
if (v_index >= allGroups[g_index].variants.size()) {
name += " skipped";
} else {
name += " variant " + std::to_string(v_index + 1);
}
}
EXPECT_EQ(dl->op_count(false), op_count) << name;
EXPECT_EQ(dl->bytes(false), byte_count + sizeof(DisplayList)) << name;
return dl;
}
TEST(DisplayList, DisplayListsWithVaryingOpComparisons) {
sk_sp<DisplayList> default_dl = Build(allGroups.size(), 0);
ASSERT_TRUE(default_dl->Equals(*default_dl)) << "Default == itself";
for (size_t gi = 0; gi < allGroups.size(); gi++) {
DisplayListInvocationGroup& group = allGroups[gi];
sk_sp<DisplayList> missing_dl = Build(gi, group.variants.size());
auto desc = "[Group " + group.op_name + " omitted]";
ASSERT_TRUE(missing_dl->Equals(*missing_dl)) << desc << " == itself";
ASSERT_FALSE(missing_dl->Equals(*default_dl)) << desc << " != Default";
ASSERT_FALSE(default_dl->Equals(*missing_dl)) << "Default != " << desc;
for (size_t vi = 0; vi < group.variants.size(); vi++) {
auto desc = "[Group " + group.op_name + " variant " +
std::to_string(vi + 1) + "]";
sk_sp<DisplayList> variant_dl = Build(gi, vi);
ASSERT_TRUE(variant_dl->Equals(*variant_dl)) << desc << " == itself";
if (vi == 0) {
ASSERT_TRUE(variant_dl->Equals(*default_dl)) << desc << " == Default";
ASSERT_TRUE(default_dl->Equals(*variant_dl)) << "Default == " << desc;
} else {
ASSERT_FALSE(variant_dl->Equals(*default_dl)) << desc << " != Default";
ASSERT_FALSE(default_dl->Equals(*variant_dl)) << "Default != " << desc;
}
if (group.variants[vi].is_empty()) {
ASSERT_TRUE(variant_dl->Equals(*missing_dl)) << desc << " != omitted";
ASSERT_TRUE(missing_dl->Equals(*variant_dl)) << "omitted != " << desc;
} else {
ASSERT_FALSE(variant_dl->Equals(*missing_dl)) << desc << " != omitted";
ASSERT_FALSE(missing_dl->Equals(*variant_dl)) << "omitted != " << desc;
}
}
}
}
TEST(DisplayList, DisplayListSaveLayerBoundsWithAlphaFilter) {
SkRect build_bounds = SkRect::MakeLTRB(-100, -100, 200, 200);
SkRect save_bounds = SkRect::MakeWH(100, 100);
SkRect rect = SkRect::MakeLTRB(30, 30, 70, 70);
// clang-format off
const float color_matrix[] = {
0, 0, 0, 0, 0,
0, 1, 0, 0, 0,
0, 0, 1, 0, 0,
0, 0, 0, 1, 0,
};
// clang-format on
DlMatrixColorFilter base_color_filter(color_matrix);
// clang-format off
const float alpha_matrix[] = {
0, 0, 0, 0, 0,
0, 1, 0, 0, 0,
0, 0, 1, 0, 0,
0, 0, 0, 0, 1,
};
// clang-format on
DlMatrixColorFilter alpha_color_filter(alpha_matrix);
{
// No tricky stuff, just verifying drawing a rect produces rect bounds
DisplayListBuilder builder(build_bounds);
builder.saveLayer(&save_bounds, true);
builder.drawRect(rect);
builder.restore();
sk_sp<DisplayList> display_list = builder.Build();
ASSERT_EQ(display_list->bounds(), rect);
}
{
// Now checking that a normal color filter still produces rect bounds
DisplayListBuilder builder(build_bounds);
builder.setColorFilter(&base_color_filter);
builder.saveLayer(&save_bounds, true);
builder.setColorFilter(nullptr);
builder.drawRect(rect);
builder.restore();
sk_sp<DisplayList> display_list = builder.Build();
ASSERT_EQ(display_list->bounds(), rect);
}
{
// Now checking how SkPictureRecorder deals with a color filter
// that modifies alpha channels (save layer bounds are meaningless
// under those circumstances)
SkPictureRecorder recorder;
SkRTreeFactory rtree_factory;
SkCanvas* canvas = recorder.beginRecording(build_bounds, &rtree_factory);
SkPaint p1;
p1.setColorFilter(alpha_color_filter.skia_object());
canvas->saveLayer(save_bounds, &p1);
SkPaint p2;
canvas->drawRect(rect, p2);
canvas->restore();
sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture();
ASSERT_EQ(picture->cullRect(), build_bounds);
}
{
// Now checking that DisplayList has the same behavior that we
// saw in the SkPictureRecorder example above - returning the
// cull rect of the DisplayListBuilder when it encounters a
// save layer that modifies an unbounded region
DisplayListBuilder builder(build_bounds);
builder.setColorFilter(&alpha_color_filter);
builder.saveLayer(&save_bounds, true);
builder.setColorFilter(nullptr);
builder.drawRect(rect);
builder.restore();
sk_sp<DisplayList> display_list = builder.Build();
ASSERT_EQ(display_list->bounds(), build_bounds);
}
{
// Verifying that the save layer bounds are not relevant
// to the behavior in the previous example
DisplayListBuilder builder(build_bounds);
builder.setColorFilter(&alpha_color_filter);
builder.saveLayer(nullptr, true);
builder.setColorFilter(nullptr);
builder.drawRect(rect);
builder.restore();
sk_sp<DisplayList> display_list = builder.Build();
ASSERT_EQ(display_list->bounds(), build_bounds);
}
{
// Making sure hiding a ColorFilter as an ImageFilter will
// generate the same behavior as setting it as a ColorFilter
DisplayListBuilder builder(build_bounds);
DlColorFilterImageFilter color_filter_image_filter(base_color_filter);
builder.setImageFilter(&color_filter_image_filter);
builder.saveLayer(&save_bounds, true);
builder.setImageFilter(nullptr);
builder.drawRect(rect);
builder.restore();
sk_sp<DisplayList> display_list = builder.Build();
ASSERT_EQ(display_list->bounds(), rect);
}
{
// Making sure hiding a problematic ColorFilter as an ImageFilter
// will generate the same behavior as setting it as a ColorFilter
DisplayListBuilder builder(build_bounds);
DlColorFilterImageFilter color_filter_image_filter(alpha_color_filter);
builder.setImageFilter(&color_filter_image_filter);
builder.saveLayer(&save_bounds, true);
builder.setImageFilter(nullptr);
builder.drawRect(rect);
builder.restore();
sk_sp<DisplayList> display_list = builder.Build();
ASSERT_EQ(display_list->bounds(), build_bounds);
}
{
// Same as above (ImageFilter hiding ColorFilter) with no save bounds
DisplayListBuilder builder(build_bounds);
DlColorFilterImageFilter color_filter_image_filter(alpha_color_filter);
builder.setImageFilter(&color_filter_image_filter);
builder.saveLayer(nullptr, true);
builder.setImageFilter(nullptr);
builder.drawRect(rect);
builder.restore();
sk_sp<DisplayList> display_list = builder.Build();
ASSERT_EQ(display_list->bounds(), build_bounds);
}
{
// Testing behavior with an unboundable blend mode
DisplayListBuilder builder(build_bounds);
builder.setBlendMode(DlBlendMode::kClear);
builder.saveLayer(&save_bounds, true);
builder.setBlendMode(DlBlendMode::kSrcOver);
builder.drawRect(rect);
builder.restore();
sk_sp<DisplayList> display_list = builder.Build();
ASSERT_EQ(display_list->bounds(), build_bounds);
}
{
// Same as previous with no save bounds
DisplayListBuilder builder(build_bounds);
builder.setBlendMode(DlBlendMode::kClear);
builder.saveLayer(nullptr, true);
builder.setBlendMode(DlBlendMode::kSrcOver);
builder.drawRect(rect);
builder.restore();
sk_sp<DisplayList> display_list = builder.Build();
ASSERT_EQ(display_list->bounds(), build_bounds);
}
}
TEST(DisplayList, NestedOpCountMetricsSameAsSkPicture) {
SkPictureRecorder recorder;
recorder.beginRecording(SkRect::MakeWH(150, 100));
SkCanvas* canvas = recorder.getRecordingCanvas();
SkPaint paint;
for (int y = 10; y <= 60; y += 10) {
for (int x = 10; x <= 60; x += 10) {
paint.setColor(((x + y) % 20) == 10 ? SK_ColorRED : SK_ColorBLUE);
canvas->drawRect(SkRect::MakeXYWH(x, y, 80, 80), paint);
}
}
SkPictureRecorder outer_recorder;
outer_recorder.beginRecording(SkRect::MakeWH(150, 100));
canvas = outer_recorder.getRecordingCanvas();
canvas->drawPicture(recorder.finishRecordingAsPicture());
auto picture = outer_recorder.finishRecordingAsPicture();
ASSERT_EQ(picture->approximateOpCount(), 1);
ASSERT_EQ(picture->approximateOpCount(true), 36);
DisplayListBuilder builder(SkRect::MakeWH(150, 100));
for (int y = 10; y <= 60; y += 10) {
for (int x = 10; x <= 60; x += 10) {
builder.setColor(((x + y) % 20) == 10 ? SK_ColorRED : SK_ColorBLUE);
builder.drawRect(SkRect::MakeXYWH(x, y, 80, 80));
}
}
DisplayListBuilder outer_builder(SkRect::MakeWH(150, 100));
outer_builder.drawDisplayList(builder.Build());
auto display_list = outer_builder.Build();
ASSERT_EQ(display_list->op_count(), 1u);
ASSERT_EQ(display_list->op_count(true), 36u);
ASSERT_EQ(picture->approximateOpCount(),
static_cast<int>(display_list->op_count()));
ASSERT_EQ(picture->approximateOpCount(true),
static_cast<int>(display_list->op_count(true)));
DisplayListCanvasRecorder dl_recorder(SkRect::MakeWH(150, 100));
picture->playback(&dl_recorder);
auto sk_display_list = dl_recorder.Build();
ASSERT_EQ(display_list->op_count(), 1u);
ASSERT_EQ(display_list->op_count(true), 36u);
}
class AttributeRefTester {
public:
virtual void setRefToPaint(SkPaint& paint) const = 0;
virtual void setRefToDisplayList(DisplayListBuilder& builder) const = 0;
virtual bool ref_is_unique() const = 0;
void testDisplayList() {
{
DisplayListBuilder builder;
setRefToDisplayList(builder);
builder.drawRect(SkRect::MakeLTRB(50, 50, 100, 100));
ASSERT_FALSE(ref_is_unique());
}
ASSERT_TRUE(ref_is_unique());
}
void testPaint() {
{
SkPaint paint;
setRefToPaint(paint);
ASSERT_FALSE(ref_is_unique());
}
ASSERT_TRUE(ref_is_unique());
}
void testCanvasRecorder() {
{
sk_sp<DisplayList> display_list;
{
DisplayListCanvasRecorder recorder(SkRect::MakeLTRB(0, 0, 200, 200));
{
{
SkPaint paint;
setRefToPaint(paint);
recorder.drawRect(SkRect::MakeLTRB(50, 50, 100, 100), paint);
ASSERT_FALSE(ref_is_unique());
}
ASSERT_FALSE(ref_is_unique());
}
display_list = recorder.Build();
ASSERT_FALSE(ref_is_unique());
}
ASSERT_FALSE(ref_is_unique());
}
ASSERT_TRUE(ref_is_unique());
}
void test() {
testDisplayList();
testPaint();
testCanvasRecorder();
}
};
TEST(DisplayList, DisplayListBlenderRefHandling) {
class BlenderRefTester : public virtual AttributeRefTester {
public:
void setRefToPaint(SkPaint& paint) const override {
paint.setBlender(blender_);
}
void setRefToDisplayList(DisplayListBuilder& builder) const override {
builder.setBlender(blender_);
}
bool ref_is_unique() const override { return blender_->unique(); }
private:
sk_sp<SkBlender> blender_ =
SkBlenders::Arithmetic(0.25, 0.25, 0.25, 0.25, true);
};
BlenderRefTester tester;
tester.test();
ASSERT_TRUE(tester.ref_is_unique());
}
TEST(DisplayList, DisplayListFullPerspectiveTransformHandling) {
// SkM44 constructor takes row-major order
SkM44 sk_matrix = SkM44(
// clang-format off
1, 2, 3, 4,
5, 6, 7, 8,
9, 10, 11, 12,
13, 14, 15, 16
// clang-format on
);
{ // First test ==
DisplayListBuilder builder;
// builder.transformFullPerspective takes row-major order
builder.transformFullPerspective(
// clang-format off
1, 2, 3, 4,
5, 6, 7, 8,
9, 10, 11, 12,
13, 14, 15, 16
// clang-format on
);
sk_sp<DisplayList> display_list = builder.Build();
sk_sp<SkSurface> surface = SkSurface::MakeRasterN32Premul(10, 10);
SkCanvas* canvas = surface->getCanvas();
display_list->RenderTo(canvas);
SkM44 dl_matrix = canvas->getLocalToDevice();
ASSERT_EQ(sk_matrix, dl_matrix);
}
{ // Next test !=
DisplayListBuilder builder;
// builder.transformFullPerspective takes row-major order
builder.transformFullPerspective(
// clang-format off
1, 5, 9, 13,
2, 6, 7, 11,
3, 7, 11, 15,
4, 8, 12, 16
// clang-format on
);
sk_sp<DisplayList> display_list = builder.Build();
sk_sp<SkSurface> surface = SkSurface::MakeRasterN32Premul(10, 10);
SkCanvas* canvas = surface->getCanvas();
display_list->RenderTo(canvas);
SkM44 dl_matrix = canvas->getLocalToDevice();
ASSERT_NE(sk_matrix, dl_matrix);
}
}
TEST(DisplayList, DisplayListTransformResetHandling) {
DisplayListBuilder builder;
builder.scale(20.0, 20.0);
builder.transformReset();
auto list = builder.Build();
ASSERT_NE(list, nullptr);
sk_sp<SkSurface> surface = SkSurface::MakeRasterN32Premul(10, 10);
SkCanvas* canvas = surface->getCanvas();
list->RenderTo(canvas);
ASSERT_TRUE(canvas->getTotalMatrix().isIdentity());
}
TEST(DisplayList, SingleOpsMightSupportGroupOpacityWithOrWithoutBlendMode) {
auto run_tests = [](const std::string& name,
void build(DisplayListBuilder & builder),
bool expect_for_op, bool expect_with_kSrc) {
{
// First test is the draw op, by itself
// (usually supports group opacity)
DisplayListBuilder builder;
build(builder);
auto display_list = builder.Build();
EXPECT_EQ(display_list->can_apply_group_opacity(), expect_for_op)
<< "{" << std::endl
<< " " << name << std::endl
<< "}";
}
{
// Second test i the draw op with kSrc,
// (usually fails group opacity)
DisplayListBuilder builder;
builder.setBlendMode(DlBlendMode::kSrc);
build(builder);
auto display_list = builder.Build();
EXPECT_EQ(display_list->can_apply_group_opacity(), expect_with_kSrc)
<< "{" << std::endl
<< " builder.setBlendMode(kSrc);" << std::endl
<< " " << name << std::endl
<< "}";
}
};
#define RUN_TESTS(body) \
run_tests( \
#body, [](DisplayListBuilder& builder) { body }, true, false)
#define RUN_TESTS2(body, expect) \
run_tests( \
#body, [](DisplayListBuilder& builder) { body }, expect, expect)
RUN_TESTS(builder.drawPaint(););
RUN_TESTS2(builder.drawColor(SK_ColorRED, DlBlendMode::kSrcOver);, true);
RUN_TESTS2(builder.drawColor(SK_ColorRED, DlBlendMode::kSrc);, false);
RUN_TESTS(builder.drawLine({0, 0}, {10, 10}););
RUN_TESTS(builder.drawRect({0, 0, 10, 10}););
RUN_TESTS(builder.drawOval({0, 0, 10, 10}););
RUN_TESTS(builder.drawCircle({10, 10}, 5););
RUN_TESTS(builder.drawRRect(SkRRect::MakeRectXY({0, 0, 10, 10}, 2, 2)););
RUN_TESTS(builder.drawDRRect(SkRRect::MakeRectXY({0, 0, 10, 10}, 2, 2),
SkRRect::MakeRectXY({2, 2, 8, 8}, 2, 2)););
RUN_TESTS(builder.drawPath(
SkPath().addOval({0, 0, 10, 10}).addOval({5, 5, 15, 15})););
RUN_TESTS(builder.drawArc({0, 0, 10, 10}, 0, math::kPi, true););
RUN_TESTS2(builder.drawPoints(SkCanvas::kPoints_PointMode, TestPointCount,
TestPoints);
, false);
RUN_TESTS2(builder.drawVertices(TestVertices1, DlBlendMode::kSrc);, false);
RUN_TESTS(builder.drawImage(TestImage1, {0, 0}, kLinearSampling, true););
RUN_TESTS2(builder.drawImage(TestImage1, {0, 0}, kLinearSampling, false);
, true);
RUN_TESTS(builder.drawImageRect(TestImage1, {10, 10, 20, 20}, {0, 0, 10, 10},
kNearestSampling, true););
RUN_TESTS2(builder.drawImageRect(TestImage1, {10, 10, 20, 20}, {0, 0, 10, 10},
kNearestSampling, false);
, true);
RUN_TESTS(builder.drawImageNine(TestImage2, {20, 20, 30, 30}, {0, 0, 20, 20},
DlFilterMode::kLinear, true););
RUN_TESTS2(builder.drawImageNine(TestImage2, {20, 20, 30, 30}, {0, 0, 20, 20},
DlFilterMode::kLinear, false);
, true);
RUN_TESTS(builder.drawImageLattice(
TestImage1,
{kTestDivs1, kTestDivs1, nullptr, 3, 3, &kTestLatticeSrcRect, nullptr},
{10, 10, 40, 40}, DlFilterMode::kNearest, true););
RUN_TESTS2(builder.drawImageLattice(
TestImage1,
{kTestDivs1, kTestDivs1, nullptr, 3, 3, &kTestLatticeSrcRect, nullptr},
{10, 10, 40, 40}, DlFilterMode::kNearest, false);
, true);
static SkRSXform xforms[] = {{1, 0, 0, 0}, {0, 1, 0, 0}};
static SkRect texs[] = {{10, 10, 20, 20}, {20, 20, 30, 30}};
RUN_TESTS2(
builder.drawAtlas(TestImage1, xforms, texs, nullptr, 2,
DlBlendMode::kSrcIn, kNearestSampling, nullptr, true);
, false);
RUN_TESTS2(
builder.drawAtlas(TestImage1, xforms, texs, nullptr, 2,
DlBlendMode::kSrcIn, kNearestSampling, nullptr, false);
, false);
RUN_TESTS(builder.drawPicture(TestPicture1, nullptr, true););
RUN_TESTS2(builder.drawPicture(TestPicture1, nullptr, false);, true);
EXPECT_TRUE(TestDisplayList1->can_apply_group_opacity());
RUN_TESTS2(builder.drawDisplayList(TestDisplayList1);, true);
{
static DisplayListBuilder builder;
builder.drawRect({0, 0, 10, 10});
builder.drawRect({5, 5, 15, 15});
static auto display_list = builder.Build();
RUN_TESTS2(builder.drawDisplayList(display_list);, false);
}
RUN_TESTS(builder.drawTextBlob(TestBlob1, 0, 0););
RUN_TESTS2(builder.drawShadow(kTestPath1, SK_ColorBLACK, 1.0, false, 1.0);
, false);
#undef RUN_TESTS2
#undef RUN_TESTS
}
TEST(DisplayList, OverlappingOpsDoNotSupportGroupOpacity) {
DisplayListBuilder builder;
for (int i = 0; i < 10; i++) {
builder.drawRect(SkRect::MakeXYWH(i * 10, 0, 30, 30));
}
auto display_list = builder.Build();
EXPECT_FALSE(display_list->can_apply_group_opacity());
}
TEST(DisplayList, SaveLayerFalseSupportsGroupOpacityWithOverlappingChidren) {
DisplayListBuilder builder;
builder.saveLayer(nullptr, false);
for (int i = 0; i < 10; i++) {
builder.drawRect(SkRect::MakeXYWH(i * 10, 0, 30, 30));
}
builder.restore();
auto display_list = builder.Build();
EXPECT_TRUE(display_list->can_apply_group_opacity());
}
TEST(DisplayList, SaveLayerTrueSupportsGroupOpacityWithOverlappingChidren) {
DisplayListBuilder builder;
builder.saveLayer(nullptr, true);
for (int i = 0; i < 10; i++) {
builder.drawRect(SkRect::MakeXYWH(i * 10, 0, 30, 30));
}
builder.restore();
auto display_list = builder.Build();
EXPECT_TRUE(display_list->can_apply_group_opacity());
}
TEST(DisplayList, SaveLayerFalseWithSrcBlendSupportsGroupOpacity) {
DisplayListBuilder builder;
builder.setBlendMode(DlBlendMode::kSrc);
builder.saveLayer(nullptr, false);
builder.drawRect({0, 0, 10, 10});
builder.restore();
auto display_list = builder.Build();
EXPECT_TRUE(display_list->can_apply_group_opacity());
}
TEST(DisplayList, SaveLayerTrueWithSrcBlendDoesNotSupportGroupOpacity) {
DisplayListBuilder builder;
builder.setBlendMode(DlBlendMode::kSrc);
builder.saveLayer(nullptr, true);
builder.drawRect({0, 0, 10, 10});
builder.restore();
auto display_list = builder.Build();
EXPECT_FALSE(display_list->can_apply_group_opacity());
}
TEST(DisplayList, SaveLayerFalseSupportsGroupOpacityWithChildSrcBlend) {
DisplayListBuilder builder;
builder.saveLayer(nullptr, false);
builder.setBlendMode(DlBlendMode::kSrc);
builder.drawRect({0, 0, 10, 10});
builder.restore();
auto display_list = builder.Build();
EXPECT_TRUE(display_list->can_apply_group_opacity());
}
TEST(DisplayList, SaveLayerTrueSupportsGroupOpacityWithChildSrcBlend) {
DisplayListBuilder builder;
builder.saveLayer(nullptr, true);
builder.setBlendMode(DlBlendMode::kSrc);
builder.drawRect({0, 0, 10, 10});
builder.restore();
auto display_list = builder.Build();
EXPECT_TRUE(display_list->can_apply_group_opacity());
}
TEST(DisplayList, SaveLayerBoundsSnapshotsImageFilter) {
DisplayListBuilder builder;
builder.saveLayer(nullptr, true);
builder.drawRect({50, 50, 100, 100});
// This image filter should be ignored since it was not set before saveLayer
builder.setImageFilter(&kTestBlurImageFilter1);
builder.restore();
SkRect bounds = builder.Build()->bounds();
EXPECT_EQ(bounds, SkRect::MakeLTRB(50, 50, 100, 100));
}
class SaveLayerOptionsExpector : public virtual Dispatcher,
public IgnoreAttributeDispatchHelper,
public IgnoreClipDispatchHelper,
public IgnoreTransformDispatchHelper,
public IgnoreDrawDispatchHelper {
public:
explicit SaveLayerOptionsExpector(const SaveLayerOptions& expected) {
expected_.push_back(expected);
}
explicit SaveLayerOptionsExpector(std::vector<SaveLayerOptions> expected)
: expected_(std::move(expected)) {}
void saveLayer(const SkRect* bounds,
const SaveLayerOptions options,
const DlImageFilter* backdrop) override {
EXPECT_EQ(options, expected_[save_layer_count_]);
save_layer_count_++;
}
int save_layer_count() { return save_layer_count_; }
private:
std::vector<SaveLayerOptions> expected_;
int save_layer_count_ = 0;
};
TEST(DisplayList, SaveLayerOneSimpleOpSupportsOpacityOptimization) {
SaveLayerOptions expected =
SaveLayerOptions::kWithAttributes.with_can_distribute_opacity();
SaveLayerOptionsExpector expector(expected);
DisplayListBuilder builder;
builder.setColor(SkColorSetARGB(127, 255, 255, 255));
builder.saveLayer(nullptr, true);
builder.drawRect({10, 10, 20, 20});
builder.restore();
builder.Build()->Dispatch(expector);
EXPECT_EQ(expector.save_layer_count(), 1);
}
TEST(DisplayList, SaveLayerNoAttributesSupportsOpacityOptimization) {
SaveLayerOptions expected =
SaveLayerOptions::kNoAttributes.with_can_distribute_opacity();
SaveLayerOptionsExpector expector(expected);
DisplayListBuilder builder;
builder.saveLayer(nullptr, false);
builder.drawRect({10, 10, 20, 20});
builder.restore();
builder.Build()->Dispatch(expector);
EXPECT_EQ(expector.save_layer_count(), 1);
}
TEST(DisplayList, SaveLayerTwoOverlappingOpsPreventsOpacityOptimization) {
SaveLayerOptions expected = SaveLayerOptions::kWithAttributes;
SaveLayerOptionsExpector expector(expected);
DisplayListBuilder builder;
builder.setColor(SkColorSetARGB(127, 255, 255, 255));
builder.saveLayer(nullptr, true);
builder.drawRect({10, 10, 20, 20});
builder.drawRect({15, 15, 25, 25});
builder.restore();
builder.Build()->Dispatch(expector);
EXPECT_EQ(expector.save_layer_count(), 1);
}
TEST(DisplayList, NestedSaveLayersMightSupportOpacityOptimization) {
SaveLayerOptions expected1 =
SaveLayerOptions::kWithAttributes.with_can_distribute_opacity();
SaveLayerOptions expected2 = SaveLayerOptions::kWithAttributes;
SaveLayerOptions expected3 =
SaveLayerOptions::kWithAttributes.with_can_distribute_opacity();
SaveLayerOptionsExpector expector({expected1, expected2, expected3});
DisplayListBuilder builder;
builder.setColor(SkColorSetARGB(127, 255, 255, 255));
builder.saveLayer(nullptr, true);
builder.saveLayer(nullptr, true);
builder.drawRect({10, 10, 20, 20});
builder.saveLayer(nullptr, true);
builder.drawRect({15, 15, 25, 25});
builder.restore();
builder.restore();
builder.restore();
builder.Build()->Dispatch(expector);
EXPECT_EQ(expector.save_layer_count(), 3);
}
TEST(DisplayList, NestedSaveLayersCanBothSupportOpacityOptimization) {
SaveLayerOptions expected1 =
SaveLayerOptions::kWithAttributes.with_can_distribute_opacity();
SaveLayerOptions expected2 =
SaveLayerOptions::kNoAttributes.with_can_distribute_opacity();
SaveLayerOptionsExpector expector({expected1, expected2});
DisplayListBuilder builder;
builder.setColor(SkColorSetARGB(127, 255, 255, 255));
builder.saveLayer(nullptr, true);
builder.saveLayer(nullptr, false);
builder.drawRect({10, 10, 20, 20});
builder.restore();
builder.restore();
builder.Build()->Dispatch(expector);
EXPECT_EQ(expector.save_layer_count(), 2);
}
TEST(DisplayList, SaveLayerImageFilterPreventsOpacityOptimization) {
SaveLayerOptions expected = SaveLayerOptions::kWithAttributes;
SaveLayerOptionsExpector expector(expected);
DisplayListBuilder builder;
builder.setColor(SkColorSetARGB(127, 255, 255, 255));
builder.setImageFilter(&kTestBlurImageFilter1);
builder.saveLayer(nullptr, true);
builder.setImageFilter(nullptr);
builder.drawRect({10, 10, 20, 20});
builder.restore();
builder.Build()->Dispatch(expector);
EXPECT_EQ(expector.save_layer_count(), 1);
}
TEST(DisplayList, SaveLayerColorFilterPreventsOpacityOptimization) {
SaveLayerOptions expected = SaveLayerOptions::kWithAttributes;
SaveLayerOptionsExpector expector(expected);
DisplayListBuilder builder;
builder.setColor(SkColorSetARGB(127, 255, 255, 255));
builder.setColorFilter(&kTestMatrixColorFilter1);
builder.saveLayer(nullptr, true);
builder.setColorFilter(nullptr);
builder.drawRect({10, 10, 20, 20});
builder.restore();
builder.Build()->Dispatch(expector);
EXPECT_EQ(expector.save_layer_count(), 1);
}
TEST(DisplayList, SaveLayerSrcBlendPreventsOpacityOptimization) {
SaveLayerOptions expected = SaveLayerOptions::kWithAttributes;
SaveLayerOptionsExpector expector(expected);
DisplayListBuilder builder;
builder.setColor(SkColorSetARGB(127, 255, 255, 255));
builder.setBlendMode(DlBlendMode::kSrc);
builder.saveLayer(nullptr, true);
builder.setBlendMode(DlBlendMode::kSrcOver);
builder.drawRect({10, 10, 20, 20});
builder.restore();
builder.Build()->Dispatch(expector);
EXPECT_EQ(expector.save_layer_count(), 1);
}
TEST(DisplayList, SaveLayerImageFilterOnChildSupportsOpacityOptimization) {
SaveLayerOptions expected =
SaveLayerOptions::kWithAttributes.with_can_distribute_opacity();
SaveLayerOptionsExpector expector(expected);
DisplayListBuilder builder;
builder.setColor(SkColorSetARGB(127, 255, 255, 255));
builder.saveLayer(nullptr, true);
builder.setImageFilter(&kTestBlurImageFilter1);
builder.drawRect({10, 10, 20, 20});
builder.restore();
builder.Build()->Dispatch(expector);
EXPECT_EQ(expector.save_layer_count(), 1);
}
TEST(DisplayList, SaveLayerColorFilterOnChildPreventsOpacityOptimization) {
SaveLayerOptions expected = SaveLayerOptions::kWithAttributes;
SaveLayerOptionsExpector expector(expected);
DisplayListBuilder builder;
builder.setColor(SkColorSetARGB(127, 255, 255, 255));
builder.saveLayer(nullptr, true);
builder.setColorFilter(&kTestMatrixColorFilter1);
builder.drawRect({10, 10, 20, 20});
builder.restore();
builder.Build()->Dispatch(expector);
EXPECT_EQ(expector.save_layer_count(), 1);
}
TEST(DisplayList, SaveLayerSrcBlendOnChildPreventsOpacityOptimization) {
SaveLayerOptions expected = SaveLayerOptions::kWithAttributes;
SaveLayerOptionsExpector expector(expected);
DisplayListBuilder builder;
builder.setColor(SkColorSetARGB(127, 255, 255, 255));
builder.saveLayer(nullptr, true);
builder.setBlendMode(DlBlendMode::kSrc);
builder.drawRect({10, 10, 20, 20});
builder.restore();
builder.Build()->Dispatch(expector);
EXPECT_EQ(expector.save_layer_count(), 1);
}
TEST(DisplayList, FlutterSvgIssue661BoundsWereEmpty) {
// See https://github.com/dnfield/flutter_svg/issues/661
SkPath path1;
path1.setFillType(SkPathFillType::kWinding);
path1.moveTo(25.54f, 37.52f);
path1.cubicTo(20.91f, 37.52f, 16.54f, 33.39f, 13.62f, 30.58f);
path1.lineTo(13, 30);
path1.lineTo(12.45f, 29.42f);
path1.cubicTo(8.39f, 25.15f, 1.61f, 18, 8.37f, 11.27f);
path1.cubicTo(10.18f, 9.46f, 12.37f, 9.58f, 14.49f, 11.58f);
path1.cubicTo(15.67f, 12.71f, 17.05f, 14.69f, 17.07f, 16.58f);
path1.cubicTo(17.0968f, 17.458f, 16.7603f, 18.3081f, 16.14f, 18.93f);
path1.cubicTo(15.8168f, 19.239f, 15.4653f, 19.5169f, 15.09f, 19.76f);
path1.cubicTo(14.27f, 20.33f, 14.21f, 20.44f, 14.27f, 20.62f);
path1.cubicTo(15.1672f, 22.3493f, 16.3239f, 23.9309f, 17.7f, 25.31f);
path1.cubicTo(19.0791f, 26.6861f, 20.6607f, 27.8428f, 22.39f, 28.74f);
path1.cubicTo(22.57f, 28.8f, 22.69f, 28.74f, 23.25f, 27.92f);
path1.cubicTo(23.5f, 27.566f, 23.778f, 27.231f, 24.08f, 26.92f);
path1.cubicTo(24.7045f, 26.3048f, 25.5538f, 25.9723f, 26.43f, 26);
path1.cubicTo(28.29f, 26, 30.27f, 27.4f, 31.43f, 28.58f);
path1.cubicTo(33.43f, 30.67f, 33.55f, 32.9f, 31.74f, 34.7f);
path1.cubicTo(30.1477f, 36.4508f, 27.906f, 37.4704f, 25.54f, 37.52f);
path1.close();
path1.moveTo(11.17f, 12.23f);
path1.cubicTo(10.6946f, 12.2571f, 10.2522f, 12.4819f, 9.95f, 12.85f);
path1.cubicTo(5.12f, 17.67f, 8.95f, 22.5f, 14.05f, 27.85f);
path1.lineTo(14.62f, 28.45f);
path1.lineTo(15.16f, 28.96f);
path1.cubicTo(20.52f, 34.06f, 25.35f, 37.89f, 30.16f, 33.06f);
path1.cubicTo(30.83f, 32.39f, 31.25f, 31.56f, 29.81f, 30.06f);
path1.cubicTo(28.9247f, 29.07f, 27.7359f, 28.4018f, 26.43f, 28.16f);
path1.cubicTo(26.1476f, 28.1284f, 25.8676f, 28.2367f, 25.68f, 28.45f);
path1.cubicTo(25.4633f, 28.6774f, 25.269f, 28.9252f, 25.1f, 29.19f);
path1.cubicTo(24.53f, 30.01f, 23.47f, 31.54f, 21.54f, 30.79f);
path1.lineTo(21.41f, 30.72f);
path1.cubicTo(19.4601f, 29.7156f, 17.6787f, 28.4133f, 16.13f, 26.86f);
path1.cubicTo(14.5748f, 25.3106f, 13.2693f, 23.5295f, 12.26f, 21.58f);
path1.lineTo(12.2f, 21.44f);
path1.cubicTo(11.45f, 19.51f, 12.97f, 18.44f, 13.8f, 17.88f);
path1.cubicTo(14.061f, 17.706f, 14.308f, 17.512f, 14.54f, 17.3f);
path1.cubicTo(14.7379f, 17.1067f, 14.8404f, 16.8359f, 14.82f, 16.56f);
path1.cubicTo(14.5978f, 15.268f, 13.9585f, 14.0843f, 13, 13.19f);
path1.cubicTo(12.5398f, 12.642f, 11.8824f, 12.2971f, 11.17f, 12.23f);
path1.lineTo(11.17f, 12.23f);
path1.close();
path1.moveTo(27, 19.34f);
path1.lineTo(24.74f, 19.34f);
path1.cubicTo(24.7319f, 18.758f, 24.262f, 18.2881f, 23.68f, 18.28f);
path1.lineTo(23.68f, 16.05f);
path1.lineTo(23.7f, 16.05f);
path1.cubicTo(25.5153f, 16.0582f, 26.9863f, 17.5248f, 27, 19.34f);
path1.lineTo(27, 19.34f);
path1.close();
path1.moveTo(32.3f, 19.34f);
path1.lineTo(30.07f, 19.34f);
path1.cubicTo(30.037f, 15.859f, 27.171f, 13.011f, 23.69f, 13);
path1.lineTo(23.69f, 10.72f);
path1.cubicTo(28.415f, 10.725f, 32.3f, 14.615f, 32.3f, 19.34f);
path1.close();
SkPath path2;
path2.setFillType(SkPathFillType::kWinding);
path2.moveTo(37.5f, 19.33f);
path2.lineTo(35.27f, 19.33f);
path2.cubicTo(35.265f, 12.979f, 30.041f, 7.755f, 23.69f, 7.75f);
path2.lineTo(23.69f, 5.52f);
path2.cubicTo(31.264f, 5.525f, 37.495f, 11.756f, 37.5f, 19.33f);
path2.close();
DisplayListBuilder builder;
{
builder.save();
builder.clipRect({0, 0, 100, 100}, SkClipOp::kIntersect, true);
{
builder.save();
builder.transform2DAffine(2.17391, 0, -2547.83, //
0, 2.04082, -500);
{
builder.save();
builder.clipRect({1172, 245, 1218, 294}, SkClipOp::kIntersect, true);
{
builder.saveLayer(nullptr, SaveLayerOptions::kWithAttributes,
nullptr);
{
builder.save();
builder.transform2DAffine(1.4375, 0, 1164.09, //
0, 1.53125, 236.548);
builder.setAntiAlias(1);
builder.setColor(0xffffffff);
builder.drawPath(path1);
builder.restore();
}
{
builder.save();
builder.transform2DAffine(1.4375, 0, 1164.09, //
0, 1.53125, 236.548);
builder.drawPath(path2);
builder.restore();
}
builder.restore();
}
builder.restore();
}
builder.restore();
}
builder.restore();
}
sk_sp<DisplayList> display_list = builder.Build();
// Prior to the fix, the bounds were empty.
EXPECT_FALSE(display_list->bounds().isEmpty());
// These are the expected bounds, but testing float values can be
// flaky wrt minor changes in the bounds calculations. If this
// line has to be revised too often as the DL implementation is
// improved and maintained, then we can eliminate this test and
// just rely on the "rounded out" bounds test that follows.
EXPECT_EQ(display_list->bounds(),
SkRect::MakeLTRB(0, 0.00189208984375, 99.9839630127, 100));
// This is the more practical result. The bounds are "almost" 0,0,100x100
EXPECT_EQ(display_list->bounds().roundOut(), SkIRect::MakeWH(100, 100));
EXPECT_EQ(display_list->op_count(), 19u);
EXPECT_EQ(display_list->bytes(), sizeof(DisplayList) + 304u);
}
TEST(DisplayList, TranslateAffectsCurrentTransform) {
DisplayListBuilder builder;
builder.translate(12.3, 14.5);
SkMatrix matrix = SkMatrix::Translate(12.3, 14.5);
SkM44 m44 = SkM44(matrix);
SkM44 cur_m44 = builder.getTransformFullPerspective();
SkMatrix cur_matrix = builder.getTransform();
ASSERT_EQ(cur_m44, m44);
ASSERT_EQ(cur_matrix, matrix);
builder.translate(10, 10);
// CurrentTransform has changed
ASSERT_NE(builder.getTransformFullPerspective(), m44);
ASSERT_NE(builder.getTransform(), cur_matrix);
// Previous return values have not
ASSERT_EQ(cur_m44, m44);
ASSERT_EQ(cur_matrix, matrix);
}
TEST(DisplayList, ScaleAffectsCurrentTransform) {
DisplayListBuilder builder;
builder.scale(12.3, 14.5);
SkMatrix matrix = SkMatrix::Scale(12.3, 14.5);
SkM44 m44 = SkM44(matrix);
SkM44 cur_m44 = builder.getTransformFullPerspective();
SkMatrix cur_matrix = builder.getTransform();
ASSERT_EQ(cur_m44, m44);
ASSERT_EQ(cur_matrix, matrix);
builder.translate(10, 10);
// CurrentTransform has changed
ASSERT_NE(builder.getTransformFullPerspective(), m44);
ASSERT_NE(builder.getTransform(), cur_matrix);
// Previous return values have not
ASSERT_EQ(cur_m44, m44);
ASSERT_EQ(cur_matrix, matrix);
}
TEST(DisplayList, RotateAffectsCurrentTransform) {
DisplayListBuilder builder;
builder.rotate(12.3);
SkMatrix matrix = SkMatrix::RotateDeg(12.3);
SkM44 m44 = SkM44(matrix);
SkM44 cur_m44 = builder.getTransformFullPerspective();
SkMatrix cur_matrix = builder.getTransform();
ASSERT_EQ(cur_m44, m44);
ASSERT_EQ(cur_matrix, matrix);
builder.translate(10, 10);
// CurrentTransform has changed
ASSERT_NE(builder.getTransformFullPerspective(), m44);
ASSERT_NE(builder.getTransform(), cur_matrix);
// Previous return values have not
ASSERT_EQ(cur_m44, m44);
ASSERT_EQ(cur_matrix, matrix);
}
TEST(DisplayList, SkewAffectsCurrentTransform) {
DisplayListBuilder builder;
builder.skew(12.3, 14.5);
SkMatrix matrix = SkMatrix::Skew(12.3, 14.5);
SkM44 m44 = SkM44(matrix);
SkM44 cur_m44 = builder.getTransformFullPerspective();
SkMatrix cur_matrix = builder.getTransform();
ASSERT_EQ(cur_m44, m44);
ASSERT_EQ(cur_matrix, matrix);
builder.translate(10, 10);
// CurrentTransform has changed
ASSERT_NE(builder.getTransformFullPerspective(), m44);
ASSERT_NE(builder.getTransform(), cur_matrix);
// Previous return values have not
ASSERT_EQ(cur_m44, m44);
ASSERT_EQ(cur_matrix, matrix);
}
TEST(DisplayList, TransformAffectsCurrentTransform) {
DisplayListBuilder builder;
builder.transform2DAffine(3, 0, 12.3, //
1, 5, 14.5);
SkMatrix matrix = SkMatrix::MakeAll(3, 0, 12.3, //
1, 5, 14.5, //
0, 0, 1);
SkM44 m44 = SkM44(matrix);
SkM44 cur_m44 = builder.getTransformFullPerspective();
SkMatrix cur_matrix = builder.getTransform();
ASSERT_EQ(cur_m44, m44);
ASSERT_EQ(cur_matrix, matrix);
builder.translate(10, 10);
// CurrentTransform has changed
ASSERT_NE(builder.getTransformFullPerspective(), m44);
ASSERT_NE(builder.getTransform(), cur_matrix);
// Previous return values have not
ASSERT_EQ(cur_m44, m44);
ASSERT_EQ(cur_matrix, matrix);
}
TEST(DisplayList, FullTransformAffectsCurrentTransform) {
DisplayListBuilder builder;
builder.transformFullPerspective(3, 0, 4, 12.3, //
1, 5, 3, 14.5, //
0, 0, 7, 16.2, //
0, 0, 0, 1);
SkMatrix matrix = SkMatrix::MakeAll(3, 0, 12.3, //
1, 5, 14.5, //
0, 0, 1);
SkM44 m44 = SkM44(3, 0, 4, 12.3, //
1, 5, 3, 14.5, //
0, 0, 7, 16.2, //
0, 0, 0, 1);
SkM44 cur_m44 = builder.getTransformFullPerspective();
SkMatrix cur_matrix = builder.getTransform();
ASSERT_EQ(cur_m44, m44);
ASSERT_EQ(cur_matrix, matrix);
builder.translate(10, 10);
// CurrentTransform has changed
ASSERT_NE(builder.getTransformFullPerspective(), m44);
ASSERT_NE(builder.getTransform(), cur_matrix);
// Previous return values have not
ASSERT_EQ(cur_m44, m44);
ASSERT_EQ(cur_matrix, matrix);
}
TEST(DisplayList, ClipRectAffectsClipBounds) {
DisplayListBuilder builder;
SkRect clip_bounds = SkRect::MakeLTRB(10.2, 11.3, 20.4, 25.7);
SkRect clip_expanded_bounds = SkRect::MakeLTRB(10, 11, 21, 26);
builder.clipRect(clip_bounds, SkClipOp::kIntersect, false);
// Save initial return values for testing restored values
SkRect initial_local_bounds = builder.getLocalClipBounds();
SkRect initial_destination_bounds = builder.getDestinationClipBounds();
ASSERT_EQ(initial_local_bounds, clip_expanded_bounds);
ASSERT_EQ(initial_destination_bounds, clip_bounds);
builder.save();
builder.clipRect({0, 0, 15, 15}, SkClipOp::kIntersect, false);
// Both clip bounds have changed
ASSERT_NE(builder.getLocalClipBounds(), clip_expanded_bounds);
ASSERT_NE(builder.getDestinationClipBounds(), clip_bounds);
// Previous return values have not changed
ASSERT_EQ(initial_local_bounds, clip_expanded_bounds);
ASSERT_EQ(initial_destination_bounds, clip_bounds);
builder.restore();
// save/restore returned the values to their original values
ASSERT_EQ(builder.getLocalClipBounds(), initial_local_bounds);
ASSERT_EQ(builder.getDestinationClipBounds(), initial_destination_bounds);
builder.save();
builder.scale(2, 2);
SkRect scaled_expanded_bounds = SkRect::MakeLTRB(5, 5.5, 10.5, 13);
ASSERT_EQ(builder.getLocalClipBounds(), scaled_expanded_bounds);
// Destination bounds are unaffected by transform
ASSERT_EQ(builder.getDestinationClipBounds(), clip_bounds);
builder.restore();
// save/restore returned the values to their original values
ASSERT_EQ(builder.getLocalClipBounds(), initial_local_bounds);
ASSERT_EQ(builder.getDestinationClipBounds(), initial_destination_bounds);
}
TEST(DisplayList, ClipRectAffectsClipBoundsWithMatrix) {
DisplayListBuilder builder;
SkRect clip_bounds_1 = SkRect::MakeLTRB(0, 0, 10, 10);
SkRect clip_bounds_2 = SkRect::MakeLTRB(10, 10, 20, 20);
builder.save();
builder.clipRect(clip_bounds_1, SkClipOp::kIntersect, false);
builder.translate(10, 0);
builder.clipRect(clip_bounds_1, SkClipOp::kIntersect, false);
ASSERT_TRUE(builder.getDestinationClipBounds().isEmpty());
builder.restore();
builder.save();
builder.clipRect(clip_bounds_1, SkClipOp::kIntersect, false);
builder.translate(-10, -10);
builder.clipRect(clip_bounds_2, SkClipOp::kIntersect, false);
ASSERT_EQ(builder.getDestinationClipBounds(), clip_bounds_1);
builder.restore();
}
TEST(DisplayList, ClipRRectAffectsClipBounds) {
DisplayListBuilder builder;
SkRect clip_bounds = SkRect::MakeLTRB(10.2, 11.3, 20.4, 25.7);
SkRect clip_expanded_bounds = SkRect::MakeLTRB(10, 11, 21, 26);
SkRRect clip = SkRRect::MakeRectXY(clip_bounds, 3, 2);
builder.clipRRect(clip, SkClipOp::kIntersect, false);
// Save initial return values for testing restored values
SkRect initial_local_bounds = builder.getLocalClipBounds();
SkRect initial_destination_bounds = builder.getDestinationClipBounds();
ASSERT_EQ(initial_local_bounds, clip_expanded_bounds);
ASSERT_EQ(initial_destination_bounds, clip_bounds);
builder.save();
builder.clipRect({0, 0, 15, 15}, SkClipOp::kIntersect, false);
// Both clip bounds have changed
ASSERT_NE(builder.getLocalClipBounds(), clip_expanded_bounds);
ASSERT_NE(builder.getDestinationClipBounds(), clip_bounds);
// Previous return values have not changed
ASSERT_EQ(initial_local_bounds, clip_expanded_bounds);
ASSERT_EQ(initial_destination_bounds, clip_bounds);
builder.restore();
// save/restore returned the values to their original values
ASSERT_EQ(builder.getLocalClipBounds(), initial_local_bounds);
ASSERT_EQ(builder.getDestinationClipBounds(), initial_destination_bounds);
builder.save();
builder.scale(2, 2);
SkRect scaled_expanded_bounds = SkRect::MakeLTRB(5, 5.5, 10.5, 13);
ASSERT_EQ(builder.getLocalClipBounds(), scaled_expanded_bounds);
// Destination bounds are unaffected by transform
ASSERT_EQ(builder.getDestinationClipBounds(), clip_bounds);
builder.restore();
// save/restore returned the values to their original values
ASSERT_EQ(builder.getLocalClipBounds(), initial_local_bounds);
ASSERT_EQ(builder.getDestinationClipBounds(), initial_destination_bounds);
}
TEST(DisplayList, ClipRRectAffectsClipBoundsWithMatrix) {
DisplayListBuilder builder;
SkRect clip_bounds_1 = SkRect::MakeLTRB(0, 0, 10, 10);
SkRect clip_bounds_2 = SkRect::MakeLTRB(10, 10, 20, 20);
SkRRect clip1 = SkRRect::MakeRectXY(clip_bounds_1, 3, 2);
SkRRect clip2 = SkRRect::MakeRectXY(clip_bounds_2, 3, 2);
builder.save();
builder.clipRRect(clip1, SkClipOp::kIntersect, false);
builder.translate(10, 0);
builder.clipRRect(clip1, SkClipOp::kIntersect, false);
ASSERT_TRUE(builder.getDestinationClipBounds().isEmpty());
builder.restore();
builder.save();
builder.clipRRect(clip1, SkClipOp::kIntersect, false);
builder.translate(-10, -10);
builder.clipRRect(clip2, SkClipOp::kIntersect, false);
ASSERT_EQ(builder.getDestinationClipBounds(), clip_bounds_1);
builder.restore();
}
TEST(DisplayList, ClipPathAffectsClipBounds) {
DisplayListBuilder builder;
SkPath clip = SkPath().addCircle(10.2, 11.3, 2).addCircle(20.4, 25.7, 2);
SkRect clip_bounds = SkRect::MakeLTRB(8.2, 9.3, 22.4, 27.7);
SkRect clip_expanded_bounds = SkRect::MakeLTRB(8, 9, 23, 28);
builder.clipPath(clip, SkClipOp::kIntersect, false);
// Save initial return values for testing restored values
SkRect initial_local_bounds = builder.getLocalClipBounds();
SkRect initial_destination_bounds = builder.getDestinationClipBounds();
ASSERT_EQ(initial_local_bounds, clip_expanded_bounds);
ASSERT_EQ(initial_destination_bounds, clip_bounds);
builder.save();
builder.clipRect({0, 0, 15, 15}, SkClipOp::kIntersect, false);
// Both clip bounds have changed
ASSERT_NE(builder.getLocalClipBounds(), clip_expanded_bounds);
ASSERT_NE(builder.getDestinationClipBounds(), clip_bounds);
// Previous return values have not changed
ASSERT_EQ(initial_local_bounds, clip_expanded_bounds);
ASSERT_EQ(initial_destination_bounds, clip_bounds);
builder.restore();
// save/restore returned the values to their original values
ASSERT_EQ(builder.getLocalClipBounds(), initial_local_bounds);
ASSERT_EQ(builder.getDestinationClipBounds(), initial_destination_bounds);
builder.save();
builder.scale(2, 2);
SkRect scaled_expanded_bounds = SkRect::MakeLTRB(4, 4.5, 11.5, 14);
ASSERT_EQ(builder.getLocalClipBounds(), scaled_expanded_bounds);
// Destination bounds are unaffected by transform
ASSERT_EQ(builder.getDestinationClipBounds(), clip_bounds);
builder.restore();
// save/restore returned the values to their original values
ASSERT_EQ(builder.getLocalClipBounds(), initial_local_bounds);
ASSERT_EQ(builder.getDestinationClipBounds(), initial_destination_bounds);
}
TEST(DisplayList, ClipPathAffectsClipBoundsWithMatrix) {
DisplayListBuilder builder;
SkRect clip_bounds = SkRect::MakeLTRB(0, 0, 10, 10);
SkPath clip1 = SkPath().addCircle(2.5, 2.5, 2.5).addCircle(7.5, 7.5, 2.5);
SkPath clip2 = SkPath().addCircle(12.5, 12.5, 2.5).addCircle(17.5, 17.5, 2.5);
builder.save();
builder.clipPath(clip1, SkClipOp::kIntersect, false);
builder.translate(10, 0);
builder.clipPath(clip1, SkClipOp::kIntersect, false);
ASSERT_TRUE(builder.getDestinationClipBounds().isEmpty());
builder.restore();
builder.save();
builder.clipPath(clip1, SkClipOp::kIntersect, false);
builder.translate(-10, -10);
builder.clipPath(clip2, SkClipOp::kIntersect, false);
ASSERT_EQ(builder.getDestinationClipBounds(), clip_bounds);
builder.restore();
}
TEST(DisplayList, DiffClipRectDoesNotAffectClipBounds) {
DisplayListBuilder builder;
SkRect diff_clip = SkRect::MakeLTRB(0, 0, 15, 15);
SkRect clip_bounds = SkRect::MakeLTRB(10.2, 11.3, 20.4, 25.7);
SkRect clip_expanded_bounds = SkRect::MakeLTRB(10, 11, 21, 26);
builder.clipRect(clip_bounds, SkClipOp::kIntersect, false);
// Save initial return values for testing after kDifference clip
SkRect initial_local_bounds = builder.getLocalClipBounds();
SkRect initial_destination_bounds = builder.getDestinationClipBounds();
ASSERT_EQ(initial_local_bounds, clip_expanded_bounds);
ASSERT_EQ(initial_destination_bounds, clip_bounds);
builder.clipRect(diff_clip, SkClipOp::kDifference, false);
ASSERT_EQ(builder.getLocalClipBounds(), initial_local_bounds);
ASSERT_EQ(builder.getDestinationClipBounds(), initial_destination_bounds);
}
TEST(DisplayList, DiffClipRRectDoesNotAffectClipBounds) {
DisplayListBuilder builder;
SkRRect diff_clip = SkRRect::MakeRectXY({0, 0, 15, 15}, 1, 1);
SkRect clip_bounds = SkRect::MakeLTRB(10.2, 11.3, 20.4, 25.7);
SkRect clip_expanded_bounds = SkRect::MakeLTRB(10, 11, 21, 26);
SkRRect clip = SkRRect::MakeRectXY({10.2, 11.3, 20.4, 25.7}, 3, 2);
builder.clipRRect(clip, SkClipOp::kIntersect, false);
// Save initial return values for testing after kDifference clip
SkRect initial_local_bounds = builder.getLocalClipBounds();
SkRect initial_destination_bounds = builder.getDestinationClipBounds();
ASSERT_EQ(initial_local_bounds, clip_expanded_bounds);
ASSERT_EQ(initial_destination_bounds, clip_bounds);
builder.clipRRect(diff_clip, SkClipOp::kDifference, false);
ASSERT_EQ(builder.getLocalClipBounds(), initial_local_bounds);
ASSERT_EQ(builder.getDestinationClipBounds(), initial_destination_bounds);
}
TEST(DisplayList, DiffClipPathDoesNotAffectClipBounds) {
DisplayListBuilder builder;
SkPath diff_clip = SkPath().addRect({0, 0, 15, 15});
SkPath clip = SkPath().addCircle(10.2, 11.3, 2).addCircle(20.4, 25.7, 2);
SkRect clip_bounds = SkRect::MakeLTRB(8.2, 9.3, 22.4, 27.7);
SkRect clip_expanded_bounds = SkRect::MakeLTRB(8, 9, 23, 28);
builder.clipPath(clip, SkClipOp::kIntersect, false);
// Save initial return values for testing after kDifference clip
SkRect initial_local_bounds = builder.getLocalClipBounds();
SkRect initial_destination_bounds = builder.getDestinationClipBounds();
ASSERT_EQ(initial_local_bounds, clip_expanded_bounds);
ASSERT_EQ(initial_destination_bounds, clip_bounds);
builder.clipPath(diff_clip, SkClipOp::kDifference, false);
ASSERT_EQ(builder.getLocalClipBounds(), initial_local_bounds);
ASSERT_EQ(builder.getDestinationClipBounds(), initial_destination_bounds);
}
TEST(DisplayList, ClipPathWithInvertFillTypeDoesNotAffectClipBounds) {
SkRect cull_rect = SkRect::MakeLTRB(0, 0, 100.0, 100.0);
DisplayListBuilder builder(cull_rect);
SkPath clip = SkPath().addCircle(10.2, 11.3, 2).addCircle(20.4, 25.7, 2);
clip.setFillType(SkPathFillType::kInverseWinding);
builder.clipPath(clip, SkClipOp::kIntersect, false);
ASSERT_EQ(builder.getLocalClipBounds(), cull_rect);
ASSERT_EQ(builder.getDestinationClipBounds(), cull_rect);
}
TEST(DisplayList, DiffClipPathWithInvertFillTypeAffectsClipBounds) {
SkRect cull_rect = SkRect::MakeLTRB(0, 0, 100.0, 100.0);
DisplayListBuilder builder(cull_rect);
SkPath clip = SkPath().addCircle(10.2, 11.3, 2).addCircle(20.4, 25.7, 2);
clip.setFillType(SkPathFillType::kInverseWinding);
SkRect clip_bounds = SkRect::MakeLTRB(8.2, 9.3, 22.4, 27.7);
SkRect clip_expanded_bounds = SkRect::MakeLTRB(8, 9, 23, 28);
builder.clipPath(clip, SkClipOp::kDifference, false);
ASSERT_EQ(builder.getLocalClipBounds(), clip_expanded_bounds);
ASSERT_EQ(builder.getDestinationClipBounds(), clip_bounds);
}
TEST(DisplayList, FlatDrawPointsProducesBounds) {
SkPoint horizontal_points[2] = {{10, 10}, {20, 10}};
SkPoint vertical_points[2] = {{10, 10}, {10, 20}};
{
DisplayListBuilder builder;
builder.drawPoints(SkCanvas::kPolygon_PointMode, 2, horizontal_points);
SkRect bounds = builder.Build()->bounds();
EXPECT_TRUE(bounds.contains(10, 10));
EXPECT_TRUE(bounds.contains(20, 10));
EXPECT_GE(bounds.width(), 10);
}
{
DisplayListBuilder builder;
builder.drawPoints(SkCanvas::kPolygon_PointMode, 2, vertical_points);
SkRect bounds = builder.Build()->bounds();
EXPECT_TRUE(bounds.contains(10, 10));
EXPECT_TRUE(bounds.contains(10, 20));
EXPECT_GE(bounds.height(), 10);
}
{
DisplayListBuilder builder;
builder.drawPoints(SkCanvas::kPoints_PointMode, 1, horizontal_points);
SkRect bounds = builder.Build()->bounds();
EXPECT_TRUE(bounds.contains(10, 10));
}
{
DisplayListBuilder builder;
builder.setStrokeWidth(2);
builder.drawPoints(SkCanvas::kPolygon_PointMode, 2, horizontal_points);
SkRect bounds = builder.Build()->bounds();
EXPECT_TRUE(bounds.contains(10, 10));
EXPECT_TRUE(bounds.contains(20, 10));
EXPECT_EQ(bounds, SkRect::MakeLTRB(9, 9, 21, 11));
}
{
DisplayListBuilder builder;
builder.setStrokeWidth(2);
builder.drawPoints(SkCanvas::kPolygon_PointMode, 2, vertical_points);
SkRect bounds = builder.Build()->bounds();
EXPECT_TRUE(bounds.contains(10, 10));
EXPECT_TRUE(bounds.contains(10, 20));
EXPECT_EQ(bounds, SkRect::MakeLTRB(9, 9, 11, 21));
}
{
DisplayListBuilder builder;
builder.setStrokeWidth(2);
builder.drawPoints(SkCanvas::kPoints_PointMode, 1, horizontal_points);
SkRect bounds = builder.Build()->bounds();
EXPECT_TRUE(bounds.contains(10, 10));
EXPECT_EQ(bounds, SkRect::MakeLTRB(9, 9, 11, 11));
}
}
static void test_rtree(const sk_sp<const DlRTree>& rtree,
const SkRect& query,
std::vector<SkRect> expected_rects,
const std::vector<int>& expected_indices) {
std::vector<int> indices;
rtree->search(query, &indices);
EXPECT_EQ(indices, expected_indices);
EXPECT_EQ(indices.size(), expected_indices.size());
std::list<SkRect> rects = rtree->searchNonOverlappingDrawnRects(query);
// ASSERT_EQ(rects.size(), expected_indices.size());
auto iterator = rects.cbegin();
for (int i : expected_indices) {
EXPECT_TRUE(iterator != rects.cend());
EXPECT_EQ(*iterator++, expected_rects[i]);
}
}
TEST(DisplayList, RTreeOfSimpleScene) {
DisplayListBuilder builder;
builder.drawRect({10, 10, 20, 20});
builder.drawRect({50, 50, 60, 60});
auto display_list = builder.Build();
auto rtree = display_list->rtree();
std::vector<SkRect> rects = {
{10, 10, 20, 20},
{50, 50, 60, 60},
};
// Missing all drawRect calls
test_rtree(rtree, {5, 5, 10, 10}, rects, {});
test_rtree(rtree, {20, 20, 25, 25}, rects, {});
test_rtree(rtree, {45, 45, 50, 50}, rects, {});
test_rtree(rtree, {60, 60, 65, 65}, rects, {});
// Hitting just 1 of the drawRects
test_rtree(rtree, {5, 5, 11, 11}, rects, {0});
test_rtree(rtree, {19, 19, 25, 25}, rects, {0});
test_rtree(rtree, {45, 45, 51, 51}, rects, {1});
test_rtree(rtree, {59, 59, 65, 65}, rects, {1});
// Hitting both drawRect calls
test_rtree(rtree, {19, 19, 51, 51}, rects, {0, 1});
}
TEST(DisplayList, RTreeOfSaveRestoreScene) {
DisplayListBuilder builder;
builder.drawRect({10, 10, 20, 20});
builder.save();
builder.drawRect({50, 50, 60, 60});
builder.restore();
auto display_list = builder.Build();
auto rtree = display_list->rtree();
std::vector<SkRect> rects = {
{10, 10, 20, 20},
{50, 50, 60, 60},
};
// Missing all drawRect calls
test_rtree(rtree, {5, 5, 10, 10}, rects, {});
test_rtree(rtree, {20, 20, 25, 25}, rects, {});
test_rtree(rtree, {45, 45, 50, 50}, rects, {});
test_rtree(rtree, {60, 60, 65, 65}, rects, {});
// Hitting just 1 of the drawRects
test_rtree(rtree, {5, 5, 11, 11}, rects, {0});
test_rtree(rtree, {19, 19, 25, 25}, rects, {0});
test_rtree(rtree, {45, 45, 51, 51}, rects, {1});
test_rtree(rtree, {59, 59, 65, 65}, rects, {1});
// Hitting both drawRect calls
test_rtree(rtree, {19, 19, 51, 51}, rects, {0, 1});
}
TEST(DisplayList, RTreeOfSaveLayerFilterScene) {
DisplayListBuilder builder;
// blur filter with sigma=1 expands by 3 on all sides
auto filter = DlBlurImageFilter(1.0, 1.0, DlTileMode::kClamp);
DlPaint default_paint = DlPaint();
DlPaint filter_paint = DlPaint().setImageFilter(&filter);
builder.drawRect({10, 10, 20, 20}, default_paint);
builder.saveLayer(nullptr, &filter_paint);
// the following rectangle will be expanded to 50,50,60,60
// by the saveLayer filter during the restore operation
builder.drawRect({53, 53, 57, 57}, default_paint);
builder.restore();
auto display_list = builder.Build();
auto rtree = display_list->rtree();
std::vector<SkRect> rects = {
{10, 10, 20, 20},
{50, 50, 60, 60},
};
// Missing all drawRect calls
test_rtree(rtree, {5, 5, 10, 10}, rects, {});
test_rtree(rtree, {20, 20, 25, 25}, rects, {});
test_rtree(rtree, {45, 45, 50, 50}, rects, {});
test_rtree(rtree, {60, 60, 65, 65}, rects, {});
// Hitting just 1 of the drawRects
test_rtree(rtree, {5, 5, 11, 11}, rects, {0});
test_rtree(rtree, {19, 19, 25, 25}, rects, {0});
test_rtree(rtree, {45, 45, 51, 51}, rects, {1});
test_rtree(rtree, {59, 59, 65, 65}, rects, {1});
// Hitting both drawRect calls
test_rtree(rtree, {19, 19, 51, 51}, rects, {0, 1});
}
TEST(DisplayList, NestedDisplayListRTreesAreSparse) {
DisplayListBuilder nested_dl_builder;
nested_dl_builder.drawRect({10, 10, 20, 20});
nested_dl_builder.drawRect({50, 50, 60, 60});
auto nested_display_list = nested_dl_builder.Build();
DisplayListBuilder builder;
builder.drawDisplayList(nested_display_list);
auto display_list = builder.Build();
auto rtree = display_list->rtree();
std::vector<SkRect> rects = {
{10, 10, 20, 20},
{50, 50, 60, 60},
};
// Hitting both sub-dl drawRect calls
test_rtree(rtree, {19, 19, 51, 51}, rects, {0, 1});
}
TEST(DisplayList, RemoveUnnecessarySaveRestorePairs) {
{
DisplayListBuilder builder;
builder.drawRect({10, 10, 20, 20});
builder.save(); // This save op is unnecessary
builder.drawRect({50, 50, 60, 60});
builder.restore();
DisplayListBuilder builder2;
builder2.drawRect({10, 10, 20, 20});
builder2.drawRect({50, 50, 60, 60});
ASSERT_TRUE(DisplayListsEQ_Verbose(builder.Build(), builder2.Build()));
}
{
DisplayListBuilder builder;
builder.drawRect({10, 10, 20, 20});
builder.save();
builder.translate(1.0, 1.0);
{
builder.save(); // unnecessary
builder.drawRect({50, 50, 60, 60});
builder.restore();
}
builder.restore();
DisplayListBuilder builder2;
builder2.drawRect({10, 10, 20, 20});
builder2.save();
builder2.translate(1.0, 1.0);
{ builder2.drawRect({50, 50, 60, 60}); }
builder2.restore();
ASSERT_TRUE(DisplayListsEQ_Verbose(builder.Build(), builder2.Build()));
}
}
TEST(DisplayList, CollapseMultipleNestedSaveRestore) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.save();
builder1.translate(10, 10);
builder1.scale(2, 2);
builder1.clipRect({10, 10, 20, 20}, SkClipOp::kIntersect, false);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.restore();
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.save();
builder2.translate(10, 10);
builder2.scale(2, 2);
builder2.clipRect({10, 10, 20, 20}, SkClipOp::kIntersect, false);
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, CollapseNestedSaveAndSaveLayerRestore) {
DisplayListBuilder builder1;
builder1.save();
builder1.saveLayer(nullptr, false);
builder1.drawRect({0, 0, 100, 100});
builder1.scale(2, 2);
builder1.restore();
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.saveLayer(nullptr, false);
builder2.drawRect({0, 0, 100, 100});
builder2.scale(2, 2);
builder2.restore();
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, RemoveUnnecessarySaveRestorePairsInSetPaint) {
SkRect build_bounds = SkRect::MakeLTRB(-100, -100, 200, 200);
SkRect rect = SkRect::MakeLTRB(30, 30, 70, 70);
// clang-format off
const float alpha_matrix[] = {
0, 0, 0, 0, 0,
0, 1, 0, 0, 0,
0, 0, 1, 0, 0,
0, 0, 0, 0, 1,
};
// clang-format on
DlMatrixColorFilter alpha_color_filter(alpha_matrix);
// Making sure hiding a problematic ColorFilter as an ImageFilter
// will generate the same behavior as setting it as a ColorFilter
DlColorFilterImageFilter color_filter_image_filter(alpha_color_filter);
{
DisplayListBuilder builder(build_bounds);
builder.save();
DlPaint paint;
paint.setImageFilter(&color_filter_image_filter);
builder.drawRect(rect, paint);
builder.restore();
sk_sp<DisplayList> display_list1 = builder.Build();
DisplayListBuilder builder2(build_bounds);
DlPaint paint2;
paint2.setImageFilter(&color_filter_image_filter);
builder2.drawRect(rect, paint2);
sk_sp<DisplayList> display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
{
DisplayListBuilder builder(build_bounds);
builder.save();
builder.saveLayer(&build_bounds, true);
DlPaint paint;
paint.setImageFilter(&color_filter_image_filter);
builder.drawRect(rect, paint);
builder.restore();
builder.restore();
sk_sp<DisplayList> display_list1 = builder.Build();
DisplayListBuilder builder2(build_bounds);
builder2.saveLayer(&build_bounds, true);
DlPaint paint2;
paint2.setImageFilter(&color_filter_image_filter);
builder2.drawRect(rect, paint2);
builder2.restore();
sk_sp<DisplayList> display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
}
TEST(DisplayList, TransformTriggersDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.transform(SkM44::Translate(10, 100));
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.transform(SkM44::Translate(10, 100));
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.save();
builder2.transform(SkM44::Translate(10, 100));
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
builder2.save();
builder2.transform(SkM44::Translate(10, 100));
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, Transform2DTriggersDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.transform2DAffine(0, 1, 12, 1, 0, 33);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.save();
builder2.transform2DAffine(0, 1, 12, 1, 0, 33);
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, TransformPerspectiveTriggersDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.transformFullPerspective(0, 1, 0, 12, 1, 0, 0, 33, 3, 2, 5, 29, 0, 0,
0, 12);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.save();
builder2.transformFullPerspective(0, 1, 0, 12, 1, 0, 0, 33, 3, 2, 5, 29, 0, 0,
0, 12);
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, ResetTransformTriggersDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.transformReset();
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.save();
builder2.transformReset();
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, SkewTriggersDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.skew(10, 10);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.save();
builder2.skew(10, 10);
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, TranslateTriggersDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.translate(10, 10);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.save();
builder2.translate(10, 10);
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, ScaleTriggersDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.scale(0.5, 0.5);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.save();
builder2.scale(0.5, 0.5);
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, ClipRectTriggersDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.clipRect(SkRect::MakeLTRB(0, 0, 100, 100), SkClipOp::kIntersect,
true);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.transform(SkM44());
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.save();
builder2.clipRect(SkRect::MakeLTRB(0, 0, 100, 100), SkClipOp::kIntersect,
true);
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
builder2.transform(SkM44());
builder2.drawRect({0, 0, 100, 100});
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, ClipRRectTriggersDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.clipRRect(kTestRRect, SkClipOp::kIntersect, true);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.transform(SkM44());
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.save();
builder2.clipRRect(kTestRRect, SkClipOp::kIntersect, true);
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
builder2.transform(SkM44());
builder2.drawRect({0, 0, 100, 100});
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, ClipPathTriggersDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.clipPath(kTestPath1, SkClipOp::kIntersect, true);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.transform(SkM44());
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.save();
builder2.clipPath(kTestPath1, SkClipOp::kIntersect, true);
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
builder2.transform(SkM44());
builder2.drawRect({0, 0, 100, 100});
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, NOPTranslateDoesNotTriggerDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.translate(0, 0);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.drawRect({0, 0, 100, 100});
builder2.drawRect({0, 0, 100, 100});
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, NOPScaleDoesNotTriggerDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.scale(1.0, 1.0);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.drawRect({0, 0, 100, 100});
builder2.drawRect({0, 0, 100, 100});
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, NOPRotationDoesNotTriggerDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.rotate(360);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.drawRect({0, 0, 100, 100});
builder2.drawRect({0, 0, 100, 100});
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, NOPSkewDoesNotTriggerDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.skew(0, 0);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.drawRect({0, 0, 100, 100});
builder2.drawRect({0, 0, 100, 100});
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, NOPTransformDoesNotTriggerDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.transform(SkM44());
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.transform(SkM44());
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.drawRect({0, 0, 100, 100});
builder2.drawRect({0, 0, 100, 100});
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, NOPTransform2DDoesNotTriggerDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.transform2DAffine(1, 0, 0, 0, 1, 0);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.drawRect({0, 0, 100, 100});
builder2.drawRect({0, 0, 100, 100});
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, NOPTransformFullPerspectiveDoesNotTriggerDeferredSave) {
{
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.transformFullPerspective(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0,
0, 1);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.drawRect({0, 0, 100, 100});
builder2.drawRect({0, 0, 100, 100});
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
{
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.transformFullPerspective(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0,
0, 1);
builder1.transformReset();
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.save();
builder2.transformReset();
builder2.drawRect({0, 0, 100, 100});
builder2.restore();
builder2.drawRect({0, 0, 100, 100});
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
}
TEST(DisplayList, NOPClipDoesNotTriggerDeferredSave) {
DisplayListBuilder builder1;
builder1.save();
builder1.save();
builder1.clipRect(SkRect::MakeLTRB(0, SK_ScalarNaN, SK_ScalarNaN, 0),
SkClipOp::kIntersect, true);
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
builder1.drawRect({0, 0, 100, 100});
builder1.restore();
auto display_list1 = builder1.Build();
DisplayListBuilder builder2;
builder2.drawRect({0, 0, 100, 100});
builder2.drawRect({0, 0, 100, 100});
auto display_list2 = builder2.Build();
ASSERT_TRUE(DisplayListsEQ_Verbose(display_list1, display_list2));
}
TEST(DisplayList, RTreeOfClippedSaveLayerFilterScene) {
DisplayListBuilder builder;
// blur filter with sigma=1 expands by 30 on all sides
auto filter = DlBlurImageFilter(10.0, 10.0, DlTileMode::kClamp);
DlPaint default_paint = DlPaint();
DlPaint filter_paint = DlPaint().setImageFilter(&filter);
builder.drawRect({10, 10, 20, 20}, default_paint);
builder.clipRect({50, 50, 60, 60}, SkClipOp::kIntersect, false);
builder.saveLayer(nullptr, &filter_paint);
// the following rectangle will be expanded to 23,23,87,87
// by the saveLayer filter during the restore operation
// but it will then be clipped to 50,50,60,60
builder.drawRect({53, 53, 57, 57}, default_paint);
builder.restore();
auto display_list = builder.Build();
auto rtree = display_list->rtree();
std::vector<SkRect> rects = {
{10, 10, 20, 20},
{50, 50, 60, 60},
};
// Missing all drawRect calls
test_rtree(rtree, {5, 5, 10, 10}, rects, {});
test_rtree(rtree, {20, 20, 25, 25}, rects, {});
test_rtree(rtree, {45, 45, 50, 50}, rects, {});
test_rtree(rtree, {60, 60, 65, 65}, rects, {});
// Hitting just 1 of the drawRects
test_rtree(rtree, {5, 5, 11, 11}, rects, {0});
test_rtree(rtree, {19, 19, 25, 25}, rects, {0});
test_rtree(rtree, {45, 45, 51, 51}, rects, {1});
test_rtree(rtree, {59, 59, 65, 65}, rects, {1});
// Hitting both drawRect calls
test_rtree(rtree, {19, 19, 51, 51}, rects, {0, 1});
}
} // namespace testing
} // namespace flutter