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raster_cache_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 "flutter/display_list/benchmarking/dl_complexity.h"
#include "flutter/display_list/display_list.h"
#include "flutter/display_list/dl_builder.h"
#include "flutter/display_list/testing/dl_test_snippets.h"
#include "flutter/flow/layers/container_layer.h"
#include "flutter/flow/layers/display_list_layer.h"
#include "flutter/flow/layers/image_filter_layer.h"
#include "flutter/flow/layers/layer_tree.h"
#include "flutter/flow/layers/transform_layer.h"
#include "flutter/flow/raster_cache.h"
#include "flutter/flow/raster_cache_item.h"
#include "flutter/flow/testing/layer_test.h"
#include "flutter/flow/testing/mock_raster_cache.h"
#include "flutter/testing/assertions_skia.h"
#include "gtest/gtest.h"
#include "third_party/skia/include/core/SkMatrix.h"
#include "third_party/skia/include/core/SkPoint.h"
// TODO(zanderso): https://github.com/flutter/flutter/issues/127701
// NOLINTBEGIN(bugprone-unchecked-optional-access)
namespace flutter {
namespace testing {
TEST(RasterCache, SimpleInitialization) {
flutter::RasterCache cache;
ASSERT_TRUE(true);
}
TEST(RasterCache, MetricsOmitUnpopulatedEntries) {
size_t threshold = 2;
flutter::RasterCache cache(threshold);
SkMatrix matrix = SkMatrix::I();
auto display_list = GetSampleDisplayList();
MockCanvas dummy_canvas(1000, 1000);
DlPaint paint;
LayerStateStack preroll_state_stack;
preroll_state_stack.set_preroll_delegate(kGiantRect, matrix);
LayerStateStack paint_state_stack;
preroll_state_stack.set_delegate(&dummy_canvas);
FixedRefreshRateStopwatch raster_time;
FixedRefreshRateStopwatch ui_time;
PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(
preroll_state_stack, &cache, &raster_time, &ui_time);
PaintContextHolder paint_context_holder = GetSamplePaintContextHolder(
paint_state_stack, &cache, &raster_time, &ui_time);
auto& preroll_context = preroll_context_holder.preroll_context;
auto& paint_context = paint_context_holder.paint_context;
cache.BeginFrame();
DisplayListRasterCacheItem display_list_item(display_list, SkPoint(), true,
false);
// 1st access.
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_FALSE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
cache.EndFrame();
ASSERT_EQ(cache.picture_metrics().total_count(), 0u);
ASSERT_EQ(cache.picture_metrics().total_bytes(), 0u);
cache.BeginFrame();
// 2nd access.
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_FALSE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
cache.EndFrame();
ASSERT_EQ(cache.picture_metrics().total_count(), 0u);
ASSERT_EQ(cache.picture_metrics().total_bytes(), 0u);
cache.BeginFrame();
// Now Prepare should cache it.
ASSERT_TRUE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_TRUE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
cache.EndFrame();
ASSERT_EQ(cache.picture_metrics().total_count(), 1u);
// 80w * 80h * 4bpp + image object overhead
ASSERT_EQ(cache.picture_metrics().total_bytes(), 25624u);
}
TEST(RasterCache, ThresholdIsRespectedForDisplayList) {
size_t threshold = 2;
flutter::RasterCache cache(threshold);
SkMatrix matrix = SkMatrix::I();
auto display_list = GetSampleDisplayList();
MockCanvas dummy_canvas(1000, 1000);
DlPaint paint;
LayerStateStack preroll_state_stack;
preroll_state_stack.set_preroll_delegate(kGiantRect, matrix);
LayerStateStack paint_state_stack;
preroll_state_stack.set_delegate(&dummy_canvas);
FixedRefreshRateStopwatch raster_time;
FixedRefreshRateStopwatch ui_time;
PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(
preroll_state_stack, &cache, &raster_time, &ui_time);
PaintContextHolder paint_context_holder = GetSamplePaintContextHolder(
paint_state_stack, &cache, &raster_time, &ui_time);
auto& preroll_context = preroll_context_holder.preroll_context;
auto& paint_context = paint_context_holder.paint_context;
cache.BeginFrame();
DisplayListRasterCacheItem display_list_item(display_list, SkPoint(), true,
false);
// 1st access.
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_FALSE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
cache.EndFrame();
cache.BeginFrame();
// 2nd access.
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_FALSE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
cache.EndFrame();
cache.BeginFrame();
// Now Prepare should cache it.
ASSERT_TRUE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_TRUE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
}
TEST(RasterCache, AccessThresholdOfZeroDisablesCachingForDisplayList) {
size_t threshold = 0;
flutter::RasterCache cache(threshold);
SkMatrix matrix = SkMatrix::I();
auto display_list = GetSampleDisplayList();
MockCanvas dummy_canvas(1000, 1000);
DlPaint paint;
LayerStateStack preroll_state_stack;
preroll_state_stack.set_preroll_delegate(kGiantRect, matrix);
LayerStateStack paint_state_stack;
preroll_state_stack.set_delegate(&dummy_canvas);
FixedRefreshRateStopwatch raster_time;
FixedRefreshRateStopwatch ui_time;
PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(
preroll_state_stack, &cache, &raster_time, &ui_time);
PaintContextHolder paint_context_holder = GetSamplePaintContextHolder(
paint_state_stack, &cache, &raster_time, &ui_time);
auto& preroll_context = preroll_context_holder.preroll_context;
auto& paint_context = paint_context_holder.paint_context;
cache.BeginFrame();
DisplayListRasterCacheItem display_list_item(display_list, SkPoint(), true,
false);
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_FALSE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
}
TEST(RasterCache, PictureCacheLimitPerFrameIsRespectedWhenZeroForDisplayList) {
size_t picture_cache_limit_per_frame = 0;
flutter::RasterCache cache(3, picture_cache_limit_per_frame);
SkMatrix matrix = SkMatrix::I();
auto display_list = GetSampleDisplayList();
MockCanvas dummy_canvas(1000, 1000);
DlPaint paint;
LayerStateStack preroll_state_stack;
preroll_state_stack.set_preroll_delegate(kGiantRect, matrix);
LayerStateStack paint_state_stack;
preroll_state_stack.set_delegate(&dummy_canvas);
FixedRefreshRateStopwatch raster_time;
FixedRefreshRateStopwatch ui_time;
PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(
preroll_state_stack, &cache, &raster_time, &ui_time);
PaintContextHolder paint_context_holder = GetSamplePaintContextHolder(
paint_state_stack, &cache, &raster_time, &ui_time);
auto& preroll_context = preroll_context_holder.preroll_context;
auto& paint_context = paint_context_holder.paint_context;
cache.BeginFrame();
DisplayListRasterCacheItem display_list_item(display_list, SkPoint(), true,
false);
// 1st access.
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_FALSE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
// 2nd access.
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_FALSE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
// the picture_cache_limit_per_frame = 0, so don't cache it
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_FALSE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
}
TEST(RasterCache, EvictUnusedCacheEntries) {
size_t threshold = 1;
flutter::RasterCache cache(threshold);
SkMatrix matrix = SkMatrix::I();
auto display_list_1 = GetSampleDisplayList();
auto display_list_2 = GetSampleDisplayList();
MockCanvas dummy_canvas(1000, 1000);
DlPaint paint;
LayerStateStack preroll_state_stack;
preroll_state_stack.set_preroll_delegate(kGiantRect, matrix);
LayerStateStack paint_state_stack;
preroll_state_stack.set_delegate(&dummy_canvas);
FixedRefreshRateStopwatch raster_time;
FixedRefreshRateStopwatch ui_time;
PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(
preroll_state_stack, &cache, &raster_time, &ui_time);
PaintContextHolder paint_context_holder = GetSamplePaintContextHolder(
paint_state_stack, &cache, &raster_time, &ui_time);
auto& preroll_context = preroll_context_holder.preroll_context;
auto& paint_context = paint_context_holder.paint_context;
DisplayListRasterCacheItem display_list_item_1(display_list_1, SkPoint(),
true, false);
DisplayListRasterCacheItem display_list_item_2(display_list_2, SkPoint(),
true, false);
cache.BeginFrame();
RasterCacheItemPreroll(display_list_item_1, preroll_context, matrix);
RasterCacheItemPreroll(display_list_item_2, preroll_context, matrix);
cache.EvictUnusedCacheEntries();
ASSERT_EQ(cache.EstimatePictureCacheByteSize(), 0u);
ASSERT_FALSE(
RasterCacheItemTryToRasterCache(display_list_item_1, paint_context));
ASSERT_FALSE(
RasterCacheItemTryToRasterCache(display_list_item_2, paint_context));
ASSERT_EQ(cache.EstimatePictureCacheByteSize(), 0u);
ASSERT_FALSE(display_list_item_1.Draw(paint_context, &dummy_canvas, &paint));
ASSERT_FALSE(display_list_item_2.Draw(paint_context, &dummy_canvas, &paint));
cache.EndFrame();
ASSERT_EQ(cache.EstimatePictureCacheByteSize(), 0u);
ASSERT_EQ(cache.picture_metrics().total_count(), 0u);
ASSERT_EQ(cache.picture_metrics().total_bytes(), 0u);
cache.BeginFrame();
RasterCacheItemPreroll(display_list_item_1, preroll_context, matrix);
RasterCacheItemPreroll(display_list_item_2, preroll_context, matrix);
cache.EvictUnusedCacheEntries();
ASSERT_EQ(cache.EstimatePictureCacheByteSize(), 0u);
ASSERT_TRUE(
RasterCacheItemTryToRasterCache(display_list_item_1, paint_context));
ASSERT_TRUE(
RasterCacheItemTryToRasterCache(display_list_item_2, paint_context));
ASSERT_EQ(cache.EstimatePictureCacheByteSize(), 51248u);
ASSERT_TRUE(display_list_item_1.Draw(paint_context, &dummy_canvas, &paint));
ASSERT_TRUE(display_list_item_2.Draw(paint_context, &dummy_canvas, &paint));
cache.EndFrame();
ASSERT_EQ(cache.EstimatePictureCacheByteSize(), 51248u);
ASSERT_EQ(cache.picture_metrics().total_count(), 2u);
ASSERT_EQ(cache.picture_metrics().total_bytes(), 51248u);
cache.BeginFrame();
RasterCacheItemPreroll(display_list_item_1, preroll_context, matrix);
cache.EvictUnusedCacheEntries();
ASSERT_EQ(cache.EstimatePictureCacheByteSize(), 25624u);
ASSERT_TRUE(
RasterCacheItemTryToRasterCache(display_list_item_1, paint_context));
ASSERT_EQ(cache.EstimatePictureCacheByteSize(), 25624u);
ASSERT_TRUE(display_list_item_1.Draw(paint_context, &dummy_canvas, &paint));
cache.EndFrame();
ASSERT_EQ(cache.EstimatePictureCacheByteSize(), 25624u);
ASSERT_EQ(cache.picture_metrics().total_count(), 1u);
ASSERT_EQ(cache.picture_metrics().total_bytes(), 25624u);
cache.BeginFrame();
cache.EvictUnusedCacheEntries();
ASSERT_EQ(cache.EstimatePictureCacheByteSize(), 0u);
cache.EndFrame();
ASSERT_EQ(cache.EstimatePictureCacheByteSize(), 0u);
ASSERT_EQ(cache.picture_metrics().total_count(), 0u);
ASSERT_EQ(cache.picture_metrics().total_bytes(), 0u);
cache.BeginFrame();
ASSERT_FALSE(
cache.Draw(display_list_item_1.GetId().value(), dummy_canvas, &paint));
ASSERT_FALSE(display_list_item_1.Draw(paint_context, &dummy_canvas, &paint));
ASSERT_FALSE(
cache.Draw(display_list_item_2.GetId().value(), dummy_canvas, &paint));
ASSERT_FALSE(display_list_item_2.Draw(paint_context, &dummy_canvas, &paint));
cache.EndFrame();
}
TEST(RasterCache, ComputeDeviceRectBasedOnFractionalTranslation) {
SkRect logical_rect = SkRect::MakeLTRB(0, 0, 300.2, 300.3);
SkMatrix ctm = SkMatrix::MakeAll(2.0, 0, 0, 0, 2.0, 0, 0, 0, 1);
auto result = RasterCacheUtil::GetDeviceBounds(logical_rect, ctm);
ASSERT_EQ(result, SkRect::MakeLTRB(0.0, 0.0, 600.4, 600.6));
}
// Construct a cache result whose device target rectangle rounds out to be one
// pixel wider than the cached image. Verify that it can be drawn without
// triggering any assertions.
TEST(RasterCache, DeviceRectRoundOutForDisplayList) {
size_t threshold = 1;
flutter::RasterCache cache(threshold);
SkRect logical_rect = SkRect::MakeLTRB(28, 0, 354.56731, 310.288);
DisplayListBuilder builder(logical_rect);
builder.DrawRect(logical_rect, DlPaint(DlColor::kRed()));
sk_sp<DisplayList> display_list = builder.Build();
SkMatrix ctm = SkMatrix::MakeAll(1.3312, 0, 233, 0, 1.3312, 206, 0, 0, 1);
DlPaint paint;
MockCanvas canvas(1000, 1000);
canvas.SetTransform(ctm);
LayerStateStack preroll_state_stack;
preroll_state_stack.set_preroll_delegate(kGiantRect, ctm);
LayerStateStack paint_state_stack;
preroll_state_stack.set_delegate(&canvas);
FixedRefreshRateStopwatch raster_time;
FixedRefreshRateStopwatch ui_time;
PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(
preroll_state_stack, &cache, &raster_time, &ui_time);
PaintContextHolder paint_context_holder = GetSamplePaintContextHolder(
paint_state_stack, &cache, &raster_time, &ui_time);
auto& preroll_context = preroll_context_holder.preroll_context;
auto& paint_context = paint_context_holder.paint_context;
cache.BeginFrame();
DisplayListRasterCacheItem display_list_item(display_list, SkPoint(), true,
false);
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, ctm));
ASSERT_FALSE(display_list_item.Draw(paint_context, &canvas, &paint));
cache.EndFrame();
cache.BeginFrame();
ASSERT_TRUE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, ctm));
ASSERT_TRUE(display_list_item.Draw(paint_context, &canvas, &paint));
canvas.Translate(248, 0);
ASSERT_TRUE(cache.Draw(display_list_item.GetId().value(), canvas, &paint));
ASSERT_TRUE(display_list_item.Draw(paint_context, &canvas, &paint));
}
TEST(RasterCache, NestedOpCountMetricUsedForDisplayList) {
size_t threshold = 1;
flutter::RasterCache cache(threshold);
SkMatrix matrix = SkMatrix::I();
auto display_list = GetSampleNestedDisplayList();
ASSERT_EQ(display_list->op_count(), 1u);
ASSERT_EQ(display_list->op_count(true), 36u);
MockCanvas dummy_canvas(1000, 1000);
DlPaint paint;
LayerStateStack preroll_state_stack;
preroll_state_stack.set_preroll_delegate(kGiantRect, matrix);
LayerStateStack paint_state_stack;
preroll_state_stack.set_delegate(&dummy_canvas);
FixedRefreshRateStopwatch raster_time;
FixedRefreshRateStopwatch ui_time;
PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(
preroll_state_stack, &cache, &raster_time, &ui_time);
PaintContextHolder paint_context_holder = GetSamplePaintContextHolder(
paint_state_stack, &cache, &raster_time, &ui_time);
auto& preroll_context = preroll_context_holder.preroll_context;
auto& paint_context = paint_context_holder.paint_context;
cache.BeginFrame();
DisplayListRasterCacheItem display_list_item(display_list, SkPoint(), false,
false);
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_FALSE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
cache.EndFrame();
cache.BeginFrame();
ASSERT_TRUE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_TRUE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
}
TEST(RasterCache, NaiveComplexityScoringDisplayList) {
DisplayListComplexityCalculator* calculator =
DisplayListNaiveComplexityCalculator::GetInstance();
size_t threshold = 1;
flutter::RasterCache cache(threshold);
SkMatrix matrix = SkMatrix::I();
// Five raster ops will not be cached
auto display_list = GetSampleDisplayList(5);
unsigned int complexity_score = calculator->Compute(display_list.get());
ASSERT_EQ(complexity_score, 5u);
ASSERT_EQ(display_list->op_count(), 5u);
ASSERT_FALSE(calculator->ShouldBeCached(complexity_score));
MockCanvas dummy_canvas(1000, 1000);
DlPaint paint;
LayerStateStack preroll_state_stack;
preroll_state_stack.set_preroll_delegate(kGiantRect, matrix);
LayerStateStack paint_state_stack;
preroll_state_stack.set_delegate(&dummy_canvas);
FixedRefreshRateStopwatch raster_time;
FixedRefreshRateStopwatch ui_time;
PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(
preroll_state_stack, &cache, &raster_time, &ui_time);
PaintContextHolder paint_context_holder = GetSamplePaintContextHolder(
paint_state_stack, &cache, &raster_time, &ui_time);
auto& preroll_context = preroll_context_holder.preroll_context;
auto& paint_context = paint_context_holder.paint_context;
cache.BeginFrame();
DisplayListRasterCacheItem display_list_item(display_list, SkPoint(), false,
false);
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_FALSE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
cache.EndFrame();
cache.BeginFrame();
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrix));
ASSERT_FALSE(display_list_item.Draw(paint_context, &dummy_canvas, &paint));
// Six raster ops should be cached
display_list = GetSampleDisplayList(6);
complexity_score = calculator->Compute(display_list.get());
ASSERT_EQ(complexity_score, 6u);
ASSERT_EQ(display_list->op_count(), 6u);
ASSERT_TRUE(calculator->ShouldBeCached(complexity_score));
DisplayListRasterCacheItem display_list_item_2 =
DisplayListRasterCacheItem(display_list, SkPoint(), false, false);
cache.BeginFrame();
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item_2, preroll_context, paint_context, matrix));
ASSERT_FALSE(display_list_item_2.Draw(paint_context, &dummy_canvas, &paint));
cache.EndFrame();
cache.BeginFrame();
ASSERT_TRUE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item_2, preroll_context, paint_context, matrix));
ASSERT_TRUE(display_list_item_2.Draw(paint_context, &dummy_canvas, &paint));
}
TEST(RasterCache, DisplayListWithSingularMatrixIsNotCached) {
size_t threshold = 2;
flutter::RasterCache cache(threshold);
SkMatrix matrices[] = {
SkMatrix::Scale(0, 1),
SkMatrix::Scale(1, 0),
SkMatrix::Skew(1, 1),
};
int matrix_count = sizeof(matrices) / sizeof(matrices[0]);
auto display_list = GetSampleDisplayList();
MockCanvas dummy_canvas(1000, 1000);
DlPaint paint;
LayerStateStack preroll_state_stack;
preroll_state_stack.set_preroll_delegate(kGiantRect, SkMatrix::I());
LayerStateStack paint_state_stack;
preroll_state_stack.set_delegate(&dummy_canvas);
FixedRefreshRateStopwatch raster_time;
FixedRefreshRateStopwatch ui_time;
PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(
preroll_state_stack, &cache, &raster_time, &ui_time);
PaintContextHolder paint_context_holder = GetSamplePaintContextHolder(
paint_state_stack, &cache, &raster_time, &ui_time);
auto& preroll_context = preroll_context_holder.preroll_context;
auto& paint_context = paint_context_holder.paint_context;
DisplayListRasterCacheItem display_list_item(display_list, SkPoint(), true,
false);
for (int i = 0; i < 10; i++) {
cache.BeginFrame();
for (int j = 0; j < matrix_count; j++) {
display_list_item.set_matrix(matrices[j]);
ASSERT_FALSE(RasterCacheItemPrerollAndTryToRasterCache(
display_list_item, preroll_context, paint_context, matrices[j]));
}
for (int j = 0; j < matrix_count; j++) {
dummy_canvas.SetTransform(matrices[j]);
ASSERT_FALSE(
display_list_item.Draw(paint_context, &dummy_canvas, &paint));
}
cache.EndFrame();
}
}
TEST(RasterCache, PrepareLayerTransform) {
SkRect child_bounds = SkRect::MakeLTRB(10, 10, 50, 50);
SkPath child_path = SkPath().addOval(child_bounds);
auto child_layer = MockLayer::Make(child_path);
auto blur_filter =
std::make_shared<DlBlurImageFilter>(5, 5, DlTileMode::kClamp);
auto blur_layer = std::make_shared<ImageFilterLayer>(blur_filter);
SkMatrix matrix = SkMatrix::Scale(2, 2);
auto transform_layer = std::make_shared<TransformLayer>(matrix);
SkMatrix cache_matrix = SkMatrix::Translate(-20, -20);
cache_matrix.preConcat(matrix);
child_layer->set_expected_paint_matrix(cache_matrix);
blur_layer->Add(child_layer);
transform_layer->Add(blur_layer);
size_t threshold = 2;
MockRasterCache cache(threshold);
MockCanvas dummy_canvas(1000, 1000);
LayerStateStack preroll_state_stack;
preroll_state_stack.set_preroll_delegate(kGiantRect, matrix);
LayerStateStack paint_state_stack;
preroll_state_stack.set_delegate(&dummy_canvas);
FixedRefreshRateStopwatch raster_time;
FixedRefreshRateStopwatch ui_time;
std::vector<RasterCacheItem*> cache_items;
cache.BeginFrame();
auto preroll_holder = GetSamplePrerollContextHolder(
preroll_state_stack, &cache, &raster_time, &ui_time);
preroll_holder.preroll_context.raster_cached_entries = &cache_items;
transform_layer->Preroll(&preroll_holder.preroll_context);
auto paint_holder = GetSamplePaintContextHolder(paint_state_stack, &cache,
&raster_time, &ui_time);
cache.EvictUnusedCacheEntries();
LayerTree::TryToRasterCache(
*preroll_holder.preroll_context.raster_cached_entries,
&paint_holder.paint_context);
// Condition tested inside MockLayer::Paint against expected paint matrix.
}
TEST(RasterCache, RasterCacheKeyHashFunction) {
RasterCacheKey::Map<int> map;
auto hash_function = map.hash_function();
SkMatrix matrix = SkMatrix::I();
uint64_t id = 5;
RasterCacheKey layer_key(id, RasterCacheKeyType::kLayer, matrix);
RasterCacheKey display_list_key(id, RasterCacheKeyType::kDisplayList, matrix);
RasterCacheKey layer_children_key(id, RasterCacheKeyType::kLayerChildren,
matrix);
auto layer_cache_key_id = RasterCacheKeyID(id, RasterCacheKeyType::kLayer);
auto layer_hash_code = hash_function(layer_key);
ASSERT_EQ(layer_hash_code, layer_cache_key_id.GetHash());
auto display_list_cache_key_id =
RasterCacheKeyID(id, RasterCacheKeyType::kDisplayList);
auto display_list_hash_code = hash_function(display_list_key);
ASSERT_EQ(display_list_hash_code, display_list_cache_key_id.GetHash());
auto layer_children_cache_key_id =
RasterCacheKeyID(id, RasterCacheKeyType::kLayerChildren);
auto layer_children_hash_code = hash_function(layer_children_key);
ASSERT_EQ(layer_children_hash_code, layer_children_cache_key_id.GetHash());
}
TEST(RasterCache, RasterCacheKeySameID) {
RasterCacheKey::Map<int> map;
SkMatrix matrix = SkMatrix::I();
uint64_t id = 5;
RasterCacheKey layer_key(id, RasterCacheKeyType::kLayer, matrix);
RasterCacheKey display_list_key(id, RasterCacheKeyType::kDisplayList, matrix);
RasterCacheKey layer_children_key(id, RasterCacheKeyType::kLayerChildren,
matrix);
map[layer_key] = 100;
map[display_list_key] = 300;
map[layer_children_key] = 400;
ASSERT_EQ(map[layer_key], 100);
ASSERT_EQ(map[display_list_key], 300);
ASSERT_EQ(map[layer_children_key], 400);
}
TEST(RasterCache, RasterCacheKeySameType) {
RasterCacheKey::Map<int> map;
SkMatrix matrix = SkMatrix::I();
RasterCacheKeyType type = RasterCacheKeyType::kLayer;
RasterCacheKey layer_first_key(5, type, matrix);
RasterCacheKey layer_second_key(10, type, matrix);
RasterCacheKey layer_third_key(15, type, matrix);
map[layer_first_key] = 50;
map[layer_second_key] = 100;
map[layer_third_key] = 150;
ASSERT_EQ(map[layer_first_key], 50);
ASSERT_EQ(map[layer_second_key], 100);
ASSERT_EQ(map[layer_third_key], 150);
type = RasterCacheKeyType::kDisplayList;
RasterCacheKey picture_first_key(20, type, matrix);
RasterCacheKey picture_second_key(25, type, matrix);
RasterCacheKey picture_third_key(30, type, matrix);
map[picture_first_key] = 200;
map[picture_second_key] = 250;
map[picture_third_key] = 300;
ASSERT_EQ(map[picture_first_key], 200);
ASSERT_EQ(map[picture_second_key], 250);
ASSERT_EQ(map[picture_third_key], 300);
type = RasterCacheKeyType::kDisplayList;
RasterCacheKey display_list_first_key(35, type, matrix);
RasterCacheKey display_list_second_key(40, type, matrix);
RasterCacheKey display_list_third_key(45, type, matrix);
map[display_list_first_key] = 350;
map[display_list_second_key] = 400;
map[display_list_third_key] = 450;
ASSERT_EQ(map[display_list_first_key], 350);
ASSERT_EQ(map[display_list_second_key], 400);
ASSERT_EQ(map[display_list_third_key], 450);
type = RasterCacheKeyType::kLayerChildren;
RasterCacheKeyID foo = RasterCacheKeyID(10, RasterCacheKeyType::kLayer);
RasterCacheKeyID bar = RasterCacheKeyID(20, RasterCacheKeyType::kLayer);
RasterCacheKeyID baz = RasterCacheKeyID(30, RasterCacheKeyType::kLayer);
RasterCacheKey layer_children_first_key(
RasterCacheKeyID({foo, bar, baz}, type), matrix);
RasterCacheKey layer_children_second_key(
RasterCacheKeyID({foo, baz, bar}, type), matrix);
RasterCacheKey layer_children_third_key(
RasterCacheKeyID({baz, bar, foo}, type), matrix);
map[layer_children_first_key] = 100;
map[layer_children_second_key] = 200;
map[layer_children_third_key] = 300;
ASSERT_EQ(map[layer_children_first_key], 100);
ASSERT_EQ(map[layer_children_second_key], 200);
ASSERT_EQ(map[layer_children_third_key], 300);
}
TEST(RasterCache, RasterCacheKeyIDEqual) {
RasterCacheKeyID first = RasterCacheKeyID(1, RasterCacheKeyType::kLayer);
RasterCacheKeyID second = RasterCacheKeyID(2, RasterCacheKeyType::kLayer);
RasterCacheKeyID third =
RasterCacheKeyID(1, RasterCacheKeyType::kLayerChildren);
ASSERT_NE(first, second);
ASSERT_NE(first, third);
ASSERT_NE(second, third);
RasterCacheKeyID fourth =
RasterCacheKeyID({first, second}, RasterCacheKeyType::kLayer);
RasterCacheKeyID fifth =
RasterCacheKeyID({first, second}, RasterCacheKeyType::kLayerChildren);
RasterCacheKeyID sixth =
RasterCacheKeyID({second, first}, RasterCacheKeyType::kLayerChildren);
ASSERT_NE(fourth, fifth);
ASSERT_NE(fifth, sixth);
}
TEST(RasterCache, RasterCacheKeyIDHashCode) {
uint64_t foo = 1;
uint64_t bar = 2;
RasterCacheKeyID first = RasterCacheKeyID(foo, RasterCacheKeyType::kLayer);
RasterCacheKeyID second = RasterCacheKeyID(bar, RasterCacheKeyType::kLayer);
std::size_t first_hash = first.GetHash();
std::size_t second_hash = second.GetHash();
ASSERT_EQ(first_hash, fml::HashCombine(foo, RasterCacheKeyType::kLayer));
ASSERT_EQ(second_hash, fml::HashCombine(bar, RasterCacheKeyType::kLayer));
RasterCacheKeyID third =
RasterCacheKeyID({first, second}, RasterCacheKeyType::kLayerChildren);
RasterCacheKeyID fourth =
RasterCacheKeyID({second, first}, RasterCacheKeyType::kLayerChildren);
std::size_t third_hash = third.GetHash();
std::size_t fourth_hash = fourth.GetHash();
ASSERT_EQ(third_hash, fml::HashCombine(RasterCacheKeyID::kDefaultUniqueID,
RasterCacheKeyType::kLayerChildren,
first.GetHash(), second.GetHash()));
ASSERT_EQ(fourth_hash, fml::HashCombine(RasterCacheKeyID::kDefaultUniqueID,
RasterCacheKeyType::kLayerChildren,
second.GetHash(), first.GetHash()));
// Verify that the cached hash code is correct.
ASSERT_EQ(first_hash, first.GetHash());
ASSERT_EQ(second_hash, second.GetHash());
ASSERT_EQ(third_hash, third.GetHash());
ASSERT_EQ(fourth_hash, fourth.GetHash());
}
using RasterCacheTest = LayerTest;
TEST_F(RasterCacheTest, RasterCacheKeyIDLayerChildrenIds) {
auto layer = std::make_shared<ContainerLayer>();
const SkPath child_path = SkPath().addRect(SkRect::MakeWH(5.0f, 5.0f));
auto mock_layer = std::make_shared<MockLayer>(child_path);
layer->Add(mock_layer);
auto display_list = GetSampleDisplayList();
auto display_list_layer = std::make_shared<DisplayListLayer>(
SkPoint::Make(0.0f, 0.0f), display_list, false, false);
layer->Add(display_list_layer);
auto ids = RasterCacheKeyID::LayerChildrenIds(layer.get()).value();
std::vector<RasterCacheKeyID> expected_ids;
expected_ids.emplace_back(
RasterCacheKeyID(mock_layer->unique_id(), RasterCacheKeyType::kLayer));
expected_ids.emplace_back(RasterCacheKeyID(display_list->unique_id(),
RasterCacheKeyType::kDisplayList));
ASSERT_EQ(expected_ids[0], mock_layer->caching_key_id());
ASSERT_EQ(expected_ids[1], display_list_layer->caching_key_id());
ASSERT_EQ(ids, expected_ids);
}
TEST(RasterCacheUtilsTest, SkMatrixIntegralTransCTM) {
#define EXPECT_EQ_WITH_TRANSLATE(test, expected, expected_tx, expected_ty) \
do { \
EXPECT_EQ(test[SkMatrix::kMScaleX], expected[SkMatrix::kMScaleX]); \
EXPECT_EQ(test[SkMatrix::kMSkewX], expected[SkMatrix::kMSkewX]); \
EXPECT_EQ(test[SkMatrix::kMScaleY], expected[SkMatrix::kMScaleY]); \
EXPECT_EQ(test[SkMatrix::kMSkewY], expected[SkMatrix::kMSkewY]); \
EXPECT_EQ(test[SkMatrix::kMSkewX], expected[SkMatrix::kMSkewX]); \
EXPECT_EQ(test[SkMatrix::kMPersp0], expected[SkMatrix::kMPersp0]); \
EXPECT_EQ(test[SkMatrix::kMPersp1], expected[SkMatrix::kMPersp1]); \
EXPECT_EQ(test[SkMatrix::kMPersp2], expected[SkMatrix::kMPersp2]); \
EXPECT_EQ(test[SkMatrix::kMTransX], expected_tx); \
EXPECT_EQ(test[SkMatrix::kMTransY], expected_ty); \
} while (0)
#define EXPECT_NON_INTEGER_TRANSLATION(matrix) \
EXPECT_TRUE(SkScalarFraction(matrix[SkMatrix::kMTransX]) != 0.0f || \
SkScalarFraction(matrix[SkMatrix::kMTransY]) != 0.0f)
{
// Identity
SkMatrix matrix = SkMatrix::I();
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Integer translate
SkMatrix matrix = SkMatrix::Translate(10.0f, 12.0f);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Fractional x translate
SkMatrix matrix = SkMatrix::Translate(10.2f, 12.0f);
EXPECT_NON_INTEGER_TRANSLATION(matrix);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_TRUE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ_WITH_TRANSLATE(get, matrix, 10.0f, 12.0f);
EXPECT_EQ(get, compute);
}
{
// Fractional y translate
SkMatrix matrix = SkMatrix::Translate(10.0f, 12.3f);
EXPECT_NON_INTEGER_TRANSLATION(matrix);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_TRUE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ_WITH_TRANSLATE(get, matrix, 10.0f, 12.0f);
EXPECT_EQ(get, compute);
}
{
// Fractional x & y translate
SkMatrix matrix = SkMatrix::Translate(10.7f, 12.3f);
EXPECT_NON_INTEGER_TRANSLATION(matrix);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_TRUE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ_WITH_TRANSLATE(get, matrix, 11.0f, 12.0f);
EXPECT_EQ(get, compute);
}
{
// Scale
SkMatrix matrix = SkMatrix::Scale(2.0f, 3.0f);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Scale, Integer translate
SkMatrix matrix = SkMatrix::Scale(2.0f, 3.0f);
matrix.preTranslate(10.0f, 12.0f);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Scale, Fractional translate
SkMatrix matrix = SkMatrix::Scale(2.0f, 3.0f);
matrix.preTranslate(10.7f, 12.1f);
EXPECT_NON_INTEGER_TRANSLATION(matrix);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_TRUE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ_WITH_TRANSLATE(get, matrix, 21.0f, 36.0f);
EXPECT_EQ(get, compute);
}
{
// Skew
SkMatrix matrix = SkMatrix::Skew(0.5f, 0.1f);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Skew, Fractional translate - should be NOP
SkMatrix matrix = SkMatrix::Skew(0.5f, 0.1f);
matrix.preTranslate(10.7f, 12.1f);
EXPECT_NON_INTEGER_TRANSLATION(matrix);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Rotate
SkMatrix matrix = SkMatrix::RotateDeg(45);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Rotate, Fractional Translate - should be NOP
SkMatrix matrix = SkMatrix::RotateDeg(45);
matrix.preTranslate(10.7f, 12.1f);
EXPECT_NON_INTEGER_TRANSLATION(matrix);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Perspective x
SkMatrix matrix = SkMatrix::I();
matrix.setPerspX(0.1);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Perspective x, Fractional Translate - should be NOP
SkMatrix matrix = SkMatrix::I();
matrix.setPerspX(0.1);
matrix.preTranslate(10.7f, 12.1f);
EXPECT_NON_INTEGER_TRANSLATION(matrix);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Perspective y
SkMatrix matrix = SkMatrix::I();
matrix.setPerspY(0.1);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Perspective y, Fractional Translate - should be NOP
SkMatrix matrix = SkMatrix::I();
matrix.setPerspY(0.1);
matrix.preTranslate(10.7f, 12.1f);
EXPECT_NON_INTEGER_TRANSLATION(matrix);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Perspective weight
// clang-format off
SkMatrix matrix = SkMatrix::MakeAll(
1.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.9f);
// clang-format on
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
{
// Perspective weight, Fractional Translate - should be NOP
// clang-format off
SkMatrix matrix = SkMatrix::MakeAll(
1.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.9f);
// clang-format on
matrix.preTranslate(10.7f, 12.1f);
EXPECT_NON_INTEGER_TRANSLATION(matrix);
SkMatrix get = RasterCacheUtil::GetIntegralTransCTM(matrix);
SkMatrix compute;
EXPECT_FALSE(RasterCacheUtil::ComputeIntegralTransCTM(matrix, &compute));
EXPECT_EQ(get, matrix);
}
#undef EXPECT_NON_INTEGER_TRANSLATION
#undef EXPECT_EQ_WITH_TRANSLATE
}
TEST(RasterCacheUtilsTest, SkM44IntegralTransCTM) {
#define EXPECT_EQ_WITH_TRANSLATE(test, expected, tx, ty, label) \
do { \
EXPECT_EQ(test.rc(0, 0), expected.rc(0, 0)) << label; \
EXPECT_EQ(test.rc(0, 1), expected.rc(0, 1)) << label; \
EXPECT_EQ(test.rc(0, 2), expected.rc(0, 2)) << label; \
EXPECT_EQ(test.rc(0, 3), tx) << label; \
EXPECT_EQ(test.rc(1, 0), expected.rc(1, 0)) << label; \
EXPECT_EQ(test.rc(1, 1), expected.rc(1, 1)) << label; \
EXPECT_EQ(test.rc(1, 2), expected.rc(1, 2)) << label; \
EXPECT_EQ(test.rc(1, 3), ty) << label; \
EXPECT_EQ(test.rc(2, 0), expected.rc(2, 0)) << label; \
EXPECT_EQ(test.rc(2, 1), expected.rc(2, 1)) << label; \
EXPECT_EQ(test.rc(2, 2), expected.rc(2, 2)) << label; \
EXPECT_EQ(test.rc(2, 3), expected.rc(2, 3)) << label; \
EXPECT_EQ(test.rc(3, 0), expected.rc(3, 0)) << label; \
EXPECT_EQ(test.rc(3, 1), expected.rc(3, 1)) << label; \
EXPECT_EQ(test.rc(3, 2), expected.rc(3, 2)) << label; \
EXPECT_EQ(test.rc(3, 3), expected.rc(3, 3)) << label; \
} while (0)
#define EXPECT_NON_INTEGER_TRANSLATION(matrix) \
EXPECT_TRUE(SkScalarFraction(matrix.rc(0, 3)) != 0.0f || \
SkScalarFraction(matrix.rc(1, 3)) != 0.0f)
for (int r = 0; r < 4; r++) {
for (int c = 0; c < 4; c++) {