| // 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/raster_cache.h" |
| |
| #include "gtest/gtest.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(); |
| } |
| |
| } // namespace |
| |
| TEST(RasterCache, SimpleInitialization) { |
| flutter::RasterCache cache; |
| ASSERT_TRUE(true); |
| } |
| |
| TEST(RasterCache, ThresholdIsRespected) { |
| size_t threshold = 2; |
| flutter::RasterCache cache(threshold); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto picture = GetSamplePicture(); |
| |
| sk_sp<SkImage> image; |
| |
| sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB(); |
| ASSERT_FALSE( |
| cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true, false)); |
| // 1st access. |
| ASSERT_FALSE(cache.Get(*picture, matrix).is_valid()); |
| |
| cache.SweepAfterFrame(); |
| |
| ASSERT_FALSE( |
| cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true, false)); |
| |
| // 2st access. |
| ASSERT_FALSE(cache.Get(*picture, matrix).is_valid()); |
| |
| cache.SweepAfterFrame(); |
| |
| // Now Prepare should cache it. |
| ASSERT_TRUE( |
| cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true, false)); |
| ASSERT_TRUE(cache.Get(*picture, matrix).is_valid()); |
| } |
| |
| TEST(RasterCache, AccessThresholdOfZeroDisablesCaching) { |
| size_t threshold = 0; |
| flutter::RasterCache cache(threshold); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto picture = GetSamplePicture(); |
| |
| sk_sp<SkImage> image; |
| |
| sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB(); |
| ASSERT_FALSE( |
| cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true, false)); |
| |
| ASSERT_FALSE(cache.Get(*picture, matrix).is_valid()); |
| } |
| |
| TEST(RasterCache, PictureCacheLimitPerFrameIsRespectedWhenZero) { |
| size_t picture_cache_limit_per_frame = 0; |
| flutter::RasterCache cache(3, picture_cache_limit_per_frame); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto picture = GetSamplePicture(); |
| |
| sk_sp<SkImage> image; |
| |
| sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB(); |
| ASSERT_FALSE( |
| cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true, false)); |
| |
| ASSERT_FALSE(cache.Get(*picture, matrix).is_valid()); |
| } |
| |
| TEST(RasterCache, SweepsRemoveUnusedFrames) { |
| size_t threshold = 1; |
| flutter::RasterCache cache(threshold); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| auto picture = GetSamplePicture(); |
| |
| sk_sp<SkImage> image; |
| |
| sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB(); |
| ASSERT_FALSE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true, |
| false)); // 1 |
| ASSERT_FALSE(cache.Get(*picture, matrix).is_valid()); |
| |
| cache.SweepAfterFrame(); |
| |
| ASSERT_TRUE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true, |
| false)); // 2 |
| ASSERT_TRUE(cache.Get(*picture, matrix).is_valid()); |
| |
| cache.SweepAfterFrame(); |
| cache.SweepAfterFrame(); // Extra frame without a Get image access. |
| |
| ASSERT_FALSE(cache.Get(*picture, matrix).is_valid()); |
| } |
| |
| // 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, DeviceRectRoundOut) { |
| 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); |
| |
| sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB(); |
| ASSERT_FALSE( |
| cache.Prepare(NULL, picture.get(), ctm, srgb.get(), true, false)); |
| ASSERT_FALSE(cache.Get(*picture, ctm).is_valid()); |
| cache.SweepAfterFrame(); |
| ASSERT_TRUE(cache.Prepare(NULL, picture.get(), ctm, srgb.get(), true, false)); |
| ASSERT_TRUE(cache.Get(*picture, ctm).is_valid()); |
| |
| SkCanvas canvas(100, 100, nullptr); |
| canvas.setMatrix(ctm); |
| canvas.translate(248, 0); |
| |
| cache.Get(*picture, ctm).draw(canvas); |
| } |
| |
| } // namespace testing |
| } // namespace flutter |