/* * Copyright 2014 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "include/core/SkCanvas.h" #include "include/core/SkPicture.h" #include "include/core/SkPictureRecorder.h" #include "include/core/SkShader.h" #include "include/core/SkSurface.h" #include "src/shaders/SkPictureShader.h" #include "tests/Test.h" // Test that the SkPictureShader cache is purged on shader deletion. DEF_TEST(PictureShader_caching, reporter) { auto makePicture = [] () { SkPictureRecorder recorder; recorder.beginRecording(100, 100)->drawColor(SK_ColorGREEN); return recorder.finishRecordingAsPicture(); }; sk_sp picture = makePicture(); REPORTER_ASSERT(reporter, picture->unique()); sk_sp surface = SkSurface::MakeRasterN32Premul(100, 100); { SkPaint paint; paint.setShader(picture->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat)); surface->getCanvas()->drawPaint(paint); // We should have about 3 refs by now: local + shader + shader cache. REPORTER_ASSERT(reporter, !picture->unique()); } // Draw another picture shader to have a chance to purge. { SkPaint paint; paint.setShader(makePicture()->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat)); surface->getCanvas()->drawPaint(paint); } // All but the local ref should be gone now. REPORTER_ASSERT(reporter, picture->unique()); }