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- /*
- * 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<SkPicture> picture = makePicture();
- REPORTER_ASSERT(reporter, picture->unique());
- sk_sp<SkSurface> 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());
- }
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