blob: 23b12ba1222b914867bf785607f2ffa310877432 [file] [log] [blame] [edit]
// 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/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();
}
} // 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;
SkCanvas dummy_canvas;
sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB();
ASSERT_FALSE(
cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true, false));
// 1st access.
ASSERT_FALSE(cache.Draw(*picture, dummy_canvas));
cache.SweepAfterFrame();
ASSERT_FALSE(
cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true, false));
// 2nd access.
ASSERT_FALSE(cache.Draw(*picture, dummy_canvas));
cache.SweepAfterFrame();
// Now Prepare should cache it.
ASSERT_TRUE(
cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true, false));
ASSERT_TRUE(cache.Draw(*picture, dummy_canvas));
}
TEST(RasterCache, AccessThresholdOfZeroDisablesCaching) {
size_t threshold = 0;
flutter::RasterCache cache(threshold);
SkMatrix matrix = SkMatrix::I();
auto picture = GetSamplePicture();
sk_sp<SkImage> image;
SkCanvas dummy_canvas;
sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB();
ASSERT_FALSE(
cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true, false));
ASSERT_FALSE(cache.Draw(*picture, dummy_canvas));
}
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;
SkCanvas dummy_canvas;
sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB();
ASSERT_FALSE(
cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true, false));
ASSERT_FALSE(cache.Draw(*picture, dummy_canvas));
}
TEST(RasterCache, SweepsRemoveUnusedFrames) {
size_t threshold = 1;
flutter::RasterCache cache(threshold);
SkMatrix matrix = SkMatrix::I();
auto picture = GetSamplePicture();
sk_sp<SkImage> image;
SkCanvas dummy_canvas;
sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB();
ASSERT_FALSE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 1
ASSERT_FALSE(cache.Draw(*picture, dummy_canvas));
cache.SweepAfterFrame();
ASSERT_TRUE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 2
ASSERT_TRUE(cache.Draw(*picture, dummy_canvas));
cache.SweepAfterFrame();
cache.SweepAfterFrame(); // Extra frame without a Get image access.
ASSERT_FALSE(cache.Draw(*picture, 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, 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);
SkCanvas canvas(100, 100, nullptr);
canvas.setMatrix(ctm);
sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB();
ASSERT_FALSE(
cache.Prepare(NULL, picture.get(), ctm, srgb.get(), true, false));
ASSERT_FALSE(cache.Draw(*picture, canvas));
cache.SweepAfterFrame();
ASSERT_TRUE(cache.Prepare(NULL, picture.get(), ctm, srgb.get(), true, false));
ASSERT_TRUE(cache.Draw(*picture, canvas));
canvas.translate(248, 0);
ASSERT_TRUE(cache.Draw(*picture, canvas));
}
} // namespace testing
} // namespace flutter