| // 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/flow/display_list.h" |
| #include "flutter/flow/raster_cache.h" |
| |
| #include "flutter/flow/testing/mock_raster_cache.h" |
| #include "gtest/gtest.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| #include "third_party/skia/include/core/SkPaint.h" |
| #include "third_party/skia/include/core/SkPicture.h" |
| #include "third_party/skia/include/core/SkPictureRecorder.h" |
| |
| namespace flutter { |
| namespace testing { |
| namespace { |
| |
| sk_sp<SkPicture> GetSamplePicture() { |
| SkPictureRecorder recorder; |
| recorder.beginRecording(SkRect::MakeWH(150, 100)); |
| SkPaint paint; |
| paint.setColor(SK_ColorRED); |
| recorder.getRecordingCanvas()->drawRect(SkRect::MakeXYWH(10, 10, 80, 80), |
| paint); |
| return recorder.finishRecordingAsPicture(); |
| } |
| |
| sk_sp<DisplayList> GetSampleDisplayList() { |
| DisplayListBuilder builder(SkRect::MakeWH(150, 100)); |
| builder.setColor(SK_ColorRED); |
| builder.drawRect(SkRect::MakeXYWH(10, 10, 80, 80)); |
| return builder.Build(); |
| } |
| |
| sk_sp<SkPicture> GetSampleNestedPicture() { |
| 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()); |
| return outer_recorder.finishRecordingAsPicture(); |
| } |
| |
| sk_sp<DisplayList> GetSampleNestedDisplayList() { |
| 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()); |
| return outer_builder.Build(); |
| } |
| |
| } // namespace |
| |
| TEST(RasterCache, SimpleInitialization) { |
| flutter::RasterCache cache; |
| ASSERT_TRUE(true); |
| } |
| |
| TEST(RasterCache, ThresholdIsRespectedForSkPicture) { |
| size_t threshold = 2; |
| flutter::RasterCache cache(threshold); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto picture = GetSamplePicture(); |
| |
| SkCanvas dummy_canvas; |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), true, false, matrix)); |
| // 1st access. |
| ASSERT_FALSE(cache.Draw(*picture, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), true, false, matrix)); |
| |
| // 2nd access. |
| ASSERT_FALSE(cache.Draw(*picture, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| cache.PrepareNewFrame(); |
| |
| // Now Prepare should cache it. |
| ASSERT_TRUE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), true, false, matrix)); |
| ASSERT_TRUE(cache.Draw(*picture, dummy_canvas)); |
| } |
| |
| TEST(RasterCache, MetricsOmitUnpopulatedEntries) { |
| size_t threshold = 2; |
| flutter::RasterCache cache(threshold); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto picture = GetSamplePicture(); |
| |
| SkCanvas dummy_canvas; |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), true, false, matrix)); |
| // 1st access. |
| ASSERT_FALSE(cache.Draw(*picture, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| ASSERT_EQ(cache.picture_metrics().total_count(), 0u); |
| ASSERT_EQ(cache.picture_metrics().total_bytes(), 0u); |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), true, false, matrix)); |
| |
| // 2nd access. |
| ASSERT_FALSE(cache.Draw(*picture, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| ASSERT_EQ(cache.picture_metrics().total_count(), 0u); |
| ASSERT_EQ(cache.picture_metrics().total_bytes(), 0u); |
| cache.PrepareNewFrame(); |
| |
| // Now Prepare should cache it. |
| ASSERT_TRUE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), true, false, matrix)); |
| ASSERT_TRUE(cache.Draw(*picture, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| ASSERT_EQ(cache.picture_metrics().total_count(), 1u); |
| // 150w * 100h * 4bpp |
| ASSERT_EQ(cache.picture_metrics().total_bytes(), 60000u); |
| } |
| |
| TEST(RasterCache, ThresholdIsRespectedForDisplayList) { |
| size_t threshold = 2; |
| flutter::RasterCache cache(threshold); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto display_list = GetSampleDisplayList(); |
| |
| SkCanvas dummy_canvas; |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| display_list.get(), true, false, matrix)); |
| // 1st access. |
| ASSERT_FALSE(cache.Draw(*display_list, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| display_list.get(), true, false, matrix)); |
| |
| // 2nd access. |
| ASSERT_FALSE(cache.Draw(*display_list, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| cache.PrepareNewFrame(); |
| |
| // Now Prepare should cache it. |
| ASSERT_TRUE(cache.Prepare(&preroll_context_holder.preroll_context, |
| display_list.get(), true, false, matrix)); |
| ASSERT_TRUE(cache.Draw(*display_list, dummy_canvas)); |
| } |
| |
| TEST(RasterCache, AccessThresholdOfZeroDisablesCachingForSkPicture) { |
| size_t threshold = 0; |
| flutter::RasterCache cache(threshold); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto picture = GetSamplePicture(); |
| |
| SkCanvas dummy_canvas; |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), true, false, matrix)); |
| |
| ASSERT_FALSE(cache.Draw(*picture, dummy_canvas)); |
| } |
| |
| TEST(RasterCache, AccessThresholdOfZeroDisablesCachingForDisplayList) { |
| size_t threshold = 0; |
| flutter::RasterCache cache(threshold); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto display_list = GetSampleDisplayList(); |
| |
| SkCanvas dummy_canvas; |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| display_list.get(), true, false, matrix)); |
| |
| ASSERT_FALSE(cache.Draw(*display_list, dummy_canvas)); |
| } |
| |
| TEST(RasterCache, PictureCacheLimitPerFrameIsRespectedWhenZeroForSkPicture) { |
| size_t picture_cache_limit_per_frame = 0; |
| flutter::RasterCache cache(3, picture_cache_limit_per_frame); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto picture = GetSamplePicture(); |
| |
| SkCanvas dummy_canvas; |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), true, false, matrix)); |
| |
| ASSERT_FALSE(cache.Draw(*picture, dummy_canvas)); |
| } |
| |
| 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(); |
| |
| SkCanvas dummy_canvas; |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| display_list.get(), true, false, matrix)); |
| |
| ASSERT_FALSE(cache.Draw(*display_list, dummy_canvas)); |
| } |
| |
| TEST(RasterCache, SweepsRemoveUnusedSkPictures) { |
| size_t threshold = 1; |
| flutter::RasterCache cache(threshold); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto picture = GetSamplePicture(); |
| |
| SkCanvas dummy_canvas; |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), true, false, matrix)); // 1 |
| ASSERT_FALSE(cache.Draw(*picture, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| cache.PrepareNewFrame(); |
| |
| ASSERT_TRUE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), true, false, matrix)); // 2 |
| ASSERT_TRUE(cache.Draw(*picture, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| |
| cache.PrepareNewFrame(); |
| cache.CleanupAfterFrame(); // Extra frame without a Get image access. |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Draw(*picture, dummy_canvas)); |
| } |
| |
| TEST(RasterCache, SweepsRemoveUnusedDisplayLists) { |
| size_t threshold = 1; |
| flutter::RasterCache cache(threshold); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto display_list = GetSampleDisplayList(); |
| |
| SkCanvas dummy_canvas; |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| display_list.get(), true, false, matrix)); // 1 |
| ASSERT_FALSE(cache.Draw(*display_list, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| cache.PrepareNewFrame(); |
| |
| ASSERT_TRUE(cache.Prepare(&preroll_context_holder.preroll_context, |
| display_list.get(), true, false, matrix)); // 2 |
| ASSERT_TRUE(cache.Draw(*display_list, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| |
| cache.PrepareNewFrame(); |
| cache.CleanupAfterFrame(); // Extra frame without a Get image access. |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Draw(*display_list, dummy_canvas)); |
| } |
| |
| // 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, DeviceRectRoundOutForSkPicture) { |
| size_t threshold = 1; |
| flutter::RasterCache cache(threshold); |
| |
| SkPictureRecorder recorder; |
| SkRect logical_rect = SkRect::MakeLTRB(28, 0, 354.56731, 310.288); |
| recorder.beginRecording(logical_rect); |
| SkPaint paint; |
| paint.setColor(SK_ColorRED); |
| recorder.getRecordingCanvas()->drawRect(logical_rect, paint); |
| sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture(); |
| |
| SkMatrix ctm = SkMatrix::MakeAll(1.3312, 0, 233, 0, 1.3312, 206, 0, 0, 1); |
| |
| SkCanvas canvas(100, 100, nullptr); |
| canvas.setMatrix(ctm); |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), true, false, ctm)); |
| ASSERT_FALSE(cache.Draw(*picture, canvas)); |
| |
| cache.CleanupAfterFrame(); |
| cache.PrepareNewFrame(); |
| |
| ASSERT_TRUE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), true, false, ctm)); |
| ASSERT_TRUE(cache.Draw(*picture, canvas)); |
| |
| canvas.translate(248, 0); |
| ASSERT_TRUE(cache.Draw(*picture, canvas)); |
| } |
| |
| // 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.setColor(SK_ColorRED); |
| builder.drawRect(logical_rect); |
| sk_sp<DisplayList> display_list = builder.Build(); |
| |
| SkMatrix ctm = SkMatrix::MakeAll(1.3312, 0, 233, 0, 1.3312, 206, 0, 0, 1); |
| |
| SkCanvas canvas(100, 100, nullptr); |
| canvas.setMatrix(ctm); |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| display_list.get(), true, false, ctm)); |
| ASSERT_FALSE(cache.Draw(*display_list, canvas)); |
| |
| cache.CleanupAfterFrame(); |
| cache.PrepareNewFrame(); |
| |
| ASSERT_TRUE(cache.Prepare(&preroll_context_holder.preroll_context, |
| display_list.get(), true, false, ctm)); |
| ASSERT_TRUE(cache.Draw(*display_list, canvas)); |
| |
| canvas.translate(248, 0); |
| ASSERT_TRUE(cache.Draw(*display_list, canvas)); |
| } |
| |
| TEST(RasterCache, NestedOpCountMetricUsedForSkPicture) { |
| size_t threshold = 1; |
| flutter::RasterCache cache(threshold); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto picture = GetSampleNestedPicture(); |
| ASSERT_EQ(picture->approximateOpCount(), 1); |
| ASSERT_EQ(picture->approximateOpCount(true), 36); |
| |
| SkCanvas dummy_canvas; |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), false, false, matrix)); |
| ASSERT_FALSE(cache.Draw(*picture, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| cache.PrepareNewFrame(); |
| |
| ASSERT_TRUE(cache.Prepare(&preroll_context_holder.preroll_context, |
| picture.get(), false, false, matrix)); |
| ASSERT_TRUE(cache.Draw(*picture, dummy_canvas)); |
| } |
| |
| 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(), 1); |
| ASSERT_EQ(display_list->op_count(true), 36); |
| |
| SkCanvas dummy_canvas; |
| |
| PrerollContextHolder preroll_context_holder = GetSamplePrerollContextHolder(); |
| |
| cache.PrepareNewFrame(); |
| |
| ASSERT_FALSE(cache.Prepare(&preroll_context_holder.preroll_context, |
| display_list.get(), false, false, matrix)); |
| ASSERT_FALSE(cache.Draw(*display_list, dummy_canvas)); |
| |
| cache.CleanupAfterFrame(); |
| cache.PrepareNewFrame(); |
| |
| ASSERT_TRUE(cache.Prepare(&preroll_context_holder.preroll_context, |
| display_list.get(), false, false, matrix)); |
| ASSERT_TRUE(cache.Draw(*display_list, dummy_canvas)); |
| } |
| |
| } // namespace testing |
| |
| } // namespace flutter |