skia2/tests/PictureShaderTest.cpp
Mike Reed bb85b8b3f3 remove dead code from old factories, enum
Change-Id: I12d46c2c60539689949a08636c3a654d2298285a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/207868
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
2019-04-12 17:11:25 +00:00

49 lines
1.4 KiB
C++

/*
* 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 "SkCanvas.h"
#include "SkPicture.h"
#include "SkPictureRecorder.h"
#include "SkPictureShader.h"
#include "SkShader.h"
#include "SkSurface.h"
#include "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());
}