9882dae24d
SkCanvas::flush is problematic and we wish to deprecate it. As a first step, this CL begins to remove Skia's internal usage of it. Ideally clients would use SkSurface::flush and/or GrContext::flush. Change-Id: I39bb0702f8230134a97961a4ee70833fd5bd0dcc Reviewed-on: https://skia-review.googlesource.com/c/skia/+/196641 Commit-Queue: Robert Phillips <robertphillips@google.com> Reviewed-by: Greg Daniel <egdaniel@google.com>
882 lines
29 KiB
C++
882 lines
29 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBBHFactory.h"
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#include "SkBBoxHierarchy.h"
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#include "SkBigPicture.h"
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkClipOp.h"
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#include "SkClipOpPriv.h"
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#include "SkColor.h"
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#include "SkData.h"
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#include "SkFontStyle.h"
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#include "SkImageInfo.h"
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#include "SkMatrix.h"
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#include "SkMiniRecorder.h"
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#include "SkPaint.h"
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#include "SkPath.h"
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#include "SkPicturePriv.h"
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#include "SkPictureRecorder.h"
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#include "SkPixelRef.h"
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#include "SkRandom.h"
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#include "SkRect.h"
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#include "SkRectPriv.h"
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#include "SkRefCnt.h"
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#include "SkScalar.h"
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#include "SkShader.h"
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#include "SkStream.h"
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#include "SkTypeface.h"
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#include "SkTypes.h"
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#include "Test.h"
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#include <memory>
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class SkRRect;
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class SkRegion;
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template <typename T> class SkTDArray;
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static void make_bm(SkBitmap* bm, int w, int h, SkColor color, bool immutable) {
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bm->allocN32Pixels(w, h);
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bm->eraseColor(color);
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if (immutable) {
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bm->setImmutable();
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}
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}
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#ifdef SK_DEBUG
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// Ensure that deleting an empty SkPicture does not assert. Asserts only fire
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// in debug mode, so only run in debug mode.
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static void test_deleting_empty_picture() {
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SkPictureRecorder recorder;
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// Creates an SkPictureRecord
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recorder.beginRecording(0, 0);
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// Turns that into an SkPicture
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sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
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// Ceates a new SkPictureRecord
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recorder.beginRecording(0, 0);
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}
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// Ensure that serializing an empty picture does not assert. Likewise only runs in debug mode.
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static void test_serializing_empty_picture() {
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SkPictureRecorder recorder;
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recorder.beginRecording(0, 0);
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sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
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SkDynamicMemoryWStream stream;
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picture->serialize(&stream);
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}
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#endif
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static void rand_op(SkCanvas* canvas, SkRandom& rand) {
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SkPaint paint;
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SkRect rect = SkRect::MakeWH(50, 50);
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SkScalar unit = rand.nextUScalar1();
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if (unit <= 0.3) {
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// SkDebugf("save\n");
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canvas->save();
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} else if (unit <= 0.6) {
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// SkDebugf("restore\n");
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canvas->restore();
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} else if (unit <= 0.9) {
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// SkDebugf("clip\n");
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canvas->clipRect(rect);
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} else {
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// SkDebugf("draw\n");
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canvas->drawPaint(paint);
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}
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}
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static void set_canvas_to_save_count_4(SkCanvas* canvas) {
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canvas->restoreToCount(1);
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canvas->save();
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canvas->save();
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canvas->save();
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}
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/**
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* A canvas that records the number of saves, saveLayers and restores.
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*/
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class SaveCountingCanvas : public SkCanvas {
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public:
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SaveCountingCanvas(int width, int height)
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: INHERITED(width, height)
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, fSaveCount(0)
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, fSaveLayerCount(0)
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, fSaveBehindCount(0)
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, fRestoreCount(0){
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}
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SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec& rec) override {
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++fSaveLayerCount;
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return this->INHERITED::getSaveLayerStrategy(rec);
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}
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bool onDoSaveBehind(const SkRect* subset) override {
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++fSaveBehindCount;
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return this->INHERITED::onDoSaveBehind(subset);
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}
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void willSave() override {
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++fSaveCount;
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this->INHERITED::willSave();
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}
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void willRestore() override {
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++fRestoreCount;
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this->INHERITED::willRestore();
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}
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unsigned int getSaveCount() const { return fSaveCount; }
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unsigned int getSaveLayerCount() const { return fSaveLayerCount; }
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unsigned int getSaveBehindCount() const { return fSaveBehindCount; }
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unsigned int getRestoreCount() const { return fRestoreCount; }
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private:
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unsigned int fSaveCount;
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unsigned int fSaveLayerCount;
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unsigned int fSaveBehindCount;
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unsigned int fRestoreCount;
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typedef SkCanvas INHERITED;
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};
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void check_save_state(skiatest::Reporter* reporter, SkPicture* picture,
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unsigned int numSaves, unsigned int numSaveLayers,
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unsigned int numRestores) {
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SaveCountingCanvas canvas(SkScalarCeilToInt(picture->cullRect().width()),
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SkScalarCeilToInt(picture->cullRect().height()));
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picture->playback(&canvas);
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// Optimizations may have removed these,
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// so expect to have seen no more than num{Saves,SaveLayers,Restores}.
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REPORTER_ASSERT(reporter, numSaves >= canvas.getSaveCount());
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REPORTER_ASSERT(reporter, numSaveLayers >= canvas.getSaveLayerCount());
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REPORTER_ASSERT(reporter, numRestores >= canvas.getRestoreCount());
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}
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// This class exists so SkPicture can friend it and give it access to
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// the 'partialReplay' method.
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class SkPictureRecorderReplayTester {
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public:
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static sk_sp<SkPicture> Copy(SkPictureRecorder* recorder) {
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SkPictureRecorder recorder2;
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SkCanvas* canvas = recorder2.beginRecording(10, 10);
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recorder->partialReplay(canvas);
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return recorder2.finishRecordingAsPicture();
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}
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};
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static void create_imbalance(SkCanvas* canvas) {
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SkRect clipRect = SkRect::MakeWH(2, 2);
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SkRect drawRect = SkRect::MakeWH(10, 10);
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canvas->save();
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canvas->clipRect(clipRect, kReplace_SkClipOp);
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canvas->translate(1.0f, 1.0f);
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SkPaint p;
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p.setColor(SK_ColorGREEN);
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canvas->drawRect(drawRect, p);
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// no restore
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}
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// This tests that replaying a potentially unbalanced picture into a canvas
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// doesn't affect the canvas' save count or matrix/clip state.
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static void check_balance(skiatest::Reporter* reporter, SkPicture* picture) {
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SkBitmap bm;
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bm.allocN32Pixels(4, 3);
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SkCanvas canvas(bm);
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int beforeSaveCount = canvas.getSaveCount();
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SkMatrix beforeMatrix = canvas.getTotalMatrix();
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SkRect beforeClip = canvas.getLocalClipBounds();
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canvas.drawPicture(picture);
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REPORTER_ASSERT(reporter, beforeSaveCount == canvas.getSaveCount());
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REPORTER_ASSERT(reporter, beforeMatrix == canvas.getTotalMatrix());
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SkRect afterClip = canvas.getLocalClipBounds();
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REPORTER_ASSERT(reporter, afterClip == beforeClip);
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}
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// Test out SkPictureRecorder::partialReplay
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DEF_TEST(PictureRecorder_replay, reporter) {
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// check save/saveLayer state
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{
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SkPictureRecorder recorder;
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SkCanvas* canvas = recorder.beginRecording(10, 10);
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canvas->saveLayer(nullptr, nullptr);
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sk_sp<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder));
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// The extra save and restore comes from the Copy process.
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check_save_state(reporter, copy.get(), 2, 1, 3);
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canvas->saveLayer(nullptr, nullptr);
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sk_sp<SkPicture> final(recorder.finishRecordingAsPicture());
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check_save_state(reporter, final.get(), 1, 2, 3);
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// The copy shouldn't pick up any operations added after it was made
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check_save_state(reporter, copy.get(), 2, 1, 3);
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}
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// Recreate the Android partialReplay test case
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{
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SkPictureRecorder recorder;
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SkCanvas* canvas = recorder.beginRecording(4, 3, nullptr, 0);
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create_imbalance(canvas);
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int expectedSaveCount = canvas->getSaveCount();
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sk_sp<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder));
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check_balance(reporter, copy.get());
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REPORTER_ASSERT(reporter, expectedSaveCount = canvas->getSaveCount());
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// End the recording of source to test the picture finalization
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// process isn't complicated by the partialReplay step
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sk_sp<SkPicture> final(recorder.finishRecordingAsPicture());
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}
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}
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static void test_unbalanced_save_restores(skiatest::Reporter* reporter) {
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SkCanvas testCanvas(100, 100);
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set_canvas_to_save_count_4(&testCanvas);
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REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount());
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SkPaint paint;
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SkRect rect = SkRect::MakeLTRB(-10000000, -10000000, 10000000, 10000000);
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SkPictureRecorder recorder;
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{
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// Create picture with 2 unbalanced saves
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SkCanvas* canvas = recorder.beginRecording(100, 100);
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canvas->save();
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canvas->translate(10, 10);
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canvas->drawRect(rect, paint);
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canvas->save();
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canvas->translate(10, 10);
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canvas->drawRect(rect, paint);
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sk_sp<SkPicture> extraSavePicture(recorder.finishRecordingAsPicture());
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testCanvas.drawPicture(extraSavePicture);
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REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount());
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}
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set_canvas_to_save_count_4(&testCanvas);
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{
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// Create picture with 2 unbalanced restores
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SkCanvas* canvas = recorder.beginRecording(100, 100);
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canvas->save();
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canvas->translate(10, 10);
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canvas->drawRect(rect, paint);
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canvas->save();
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canvas->translate(10, 10);
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canvas->drawRect(rect, paint);
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canvas->restore();
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canvas->restore();
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canvas->restore();
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canvas->restore();
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sk_sp<SkPicture> extraRestorePicture(recorder.finishRecordingAsPicture());
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testCanvas.drawPicture(extraRestorePicture);
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REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount());
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}
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set_canvas_to_save_count_4(&testCanvas);
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{
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SkCanvas* canvas = recorder.beginRecording(100, 100);
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canvas->translate(10, 10);
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canvas->drawRect(rect, paint);
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sk_sp<SkPicture> noSavePicture(recorder.finishRecordingAsPicture());
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testCanvas.drawPicture(noSavePicture);
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REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount());
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REPORTER_ASSERT(reporter, testCanvas.getTotalMatrix().isIdentity());
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}
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}
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static void test_peephole() {
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SkRandom rand;
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SkPictureRecorder recorder;
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for (int j = 0; j < 100; j++) {
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SkRandom rand2(rand); // remember the seed
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SkCanvas* canvas = recorder.beginRecording(100, 100);
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for (int i = 0; i < 1000; ++i) {
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rand_op(canvas, rand);
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}
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sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
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rand = rand2;
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}
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{
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SkCanvas* canvas = recorder.beginRecording(100, 100);
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SkRect rect = SkRect::MakeWH(50, 50);
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for (int i = 0; i < 100; ++i) {
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canvas->save();
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}
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while (canvas->getSaveCount() > 1) {
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canvas->clipRect(rect);
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canvas->restore();
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}
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sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
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}
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}
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#ifndef SK_DEBUG
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// Only test this is in release mode. We deliberately crash in debug mode, since a valid caller
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// should never do this.
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static void test_bad_bitmap() {
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// This bitmap has a width and height but no pixels. As a result, attempting to record it will
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// fail.
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SkBitmap bm;
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bm.setInfo(SkImageInfo::MakeN32Premul(100, 100));
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SkPictureRecorder recorder;
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SkCanvas* recordingCanvas = recorder.beginRecording(100, 100);
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recordingCanvas->drawBitmap(bm, 0, 0);
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sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
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SkCanvas canvas;
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canvas.drawPicture(picture);
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}
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#endif
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static void test_clip_bound_opt(skiatest::Reporter* reporter) {
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// Test for crbug.com/229011
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SkRect rect1 = SkRect::MakeXYWH(SkIntToScalar(4), SkIntToScalar(4),
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SkIntToScalar(2), SkIntToScalar(2));
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SkRect rect2 = SkRect::MakeXYWH(SkIntToScalar(7), SkIntToScalar(7),
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SkIntToScalar(1), SkIntToScalar(1));
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SkRect rect3 = SkRect::MakeXYWH(SkIntToScalar(6), SkIntToScalar(6),
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SkIntToScalar(1), SkIntToScalar(1));
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SkPath invPath;
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invPath.addOval(rect1);
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invPath.setFillType(SkPath::kInverseEvenOdd_FillType);
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SkPath path;
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path.addOval(rect2);
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SkPath path2;
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path2.addOval(rect3);
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SkIRect clipBounds;
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SkPictureRecorder recorder;
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// Testing conservative-raster-clip that is enabled by PictureRecord
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{
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SkCanvas* canvas = recorder.beginRecording(10, 10);
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canvas->clipPath(invPath);
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clipBounds = canvas->getDeviceClipBounds();
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REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft);
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REPORTER_ASSERT(reporter, 0 == clipBounds.fTop);
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REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom);
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REPORTER_ASSERT(reporter, 10 == clipBounds.fRight);
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}
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{
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SkCanvas* canvas = recorder.beginRecording(10, 10);
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canvas->clipPath(path);
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canvas->clipPath(invPath);
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clipBounds = canvas->getDeviceClipBounds();
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REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft);
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REPORTER_ASSERT(reporter, 7 == clipBounds.fTop);
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REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom);
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REPORTER_ASSERT(reporter, 8 == clipBounds.fRight);
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}
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{
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SkCanvas* canvas = recorder.beginRecording(10, 10);
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canvas->clipPath(path);
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canvas->clipPath(invPath, kUnion_SkClipOp);
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clipBounds = canvas->getDeviceClipBounds();
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REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft);
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REPORTER_ASSERT(reporter, 0 == clipBounds.fTop);
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REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom);
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REPORTER_ASSERT(reporter, 10 == clipBounds.fRight);
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}
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{
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SkCanvas* canvas = recorder.beginRecording(10, 10);
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canvas->clipPath(path, kDifference_SkClipOp);
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clipBounds = canvas->getDeviceClipBounds();
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REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft);
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REPORTER_ASSERT(reporter, 0 == clipBounds.fTop);
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REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom);
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REPORTER_ASSERT(reporter, 10 == clipBounds.fRight);
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}
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{
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SkCanvas* canvas = recorder.beginRecording(10, 10);
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canvas->clipPath(path, kReverseDifference_SkClipOp);
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clipBounds = canvas->getDeviceClipBounds();
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// True clip is actually empty in this case, but the best
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// determination we can make using only bounds as input is that the
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// clip is included in the bounds of 'path'.
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REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft);
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REPORTER_ASSERT(reporter, 7 == clipBounds.fTop);
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REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom);
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REPORTER_ASSERT(reporter, 8 == clipBounds.fRight);
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}
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{
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SkCanvas* canvas = recorder.beginRecording(10, 10);
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canvas->clipPath(path, kIntersect_SkClipOp);
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canvas->clipPath(path2, kXOR_SkClipOp);
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clipBounds = canvas->getDeviceClipBounds();
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REPORTER_ASSERT(reporter, 6 == clipBounds.fLeft);
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REPORTER_ASSERT(reporter, 6 == clipBounds.fTop);
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REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom);
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REPORTER_ASSERT(reporter, 8 == clipBounds.fRight);
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}
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}
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static void test_cull_rect_reset(skiatest::Reporter* reporter) {
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SkPictureRecorder recorder;
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SkRect bounds = SkRect::MakeWH(10, 10);
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SkRTreeFactory factory;
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SkCanvas* canvas = recorder.beginRecording(bounds, &factory);
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bounds = SkRect::MakeWH(100, 100);
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SkPaint paint;
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canvas->drawRect(bounds, paint);
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canvas->drawRect(bounds, paint);
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sk_sp<SkPicture> p(recorder.finishRecordingAsPictureWithCull(bounds));
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const SkBigPicture* picture = SkPicturePriv::AsSkBigPicture(p);
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REPORTER_ASSERT(reporter, picture);
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SkRect finalCullRect = picture->cullRect();
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REPORTER_ASSERT(reporter, 0 == finalCullRect.fLeft);
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REPORTER_ASSERT(reporter, 0 == finalCullRect.fTop);
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REPORTER_ASSERT(reporter, 100 == finalCullRect.fBottom);
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REPORTER_ASSERT(reporter, 100 == finalCullRect.fRight);
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const SkBBoxHierarchy* pictureBBH = picture->bbh();
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SkRect bbhCullRect = pictureBBH->getRootBound();
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REPORTER_ASSERT(reporter, 0 == bbhCullRect.fLeft);
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REPORTER_ASSERT(reporter, 0 == bbhCullRect.fTop);
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REPORTER_ASSERT(reporter, 100 == bbhCullRect.fBottom);
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REPORTER_ASSERT(reporter, 100 == bbhCullRect.fRight);
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}
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/**
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* A canvas that records the number of clip commands.
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*/
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class ClipCountingCanvas : public SkCanvas {
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public:
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ClipCountingCanvas(int width, int height)
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: INHERITED(width, height)
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, fClipCount(0){
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}
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void onClipRect(const SkRect& r, SkClipOp op, ClipEdgeStyle edgeStyle) override {
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fClipCount += 1;
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this->INHERITED::onClipRect(r, op, edgeStyle);
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}
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void onClipRRect(const SkRRect& rrect, SkClipOp op, ClipEdgeStyle edgeStyle)override {
|
|
fClipCount += 1;
|
|
this->INHERITED::onClipRRect(rrect, op, edgeStyle);
|
|
}
|
|
|
|
void onClipPath(const SkPath& path, SkClipOp op, ClipEdgeStyle edgeStyle) override {
|
|
fClipCount += 1;
|
|
this->INHERITED::onClipPath(path, op, edgeStyle);
|
|
}
|
|
|
|
void onClipRegion(const SkRegion& deviceRgn, SkClipOp op) override {
|
|
fClipCount += 1;
|
|
this->INHERITED::onClipRegion(deviceRgn, op);
|
|
}
|
|
|
|
unsigned getClipCount() const { return fClipCount; }
|
|
|
|
private:
|
|
unsigned fClipCount;
|
|
|
|
typedef SkCanvas INHERITED;
|
|
};
|
|
|
|
static void test_clip_expansion(skiatest::Reporter* reporter) {
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* canvas = recorder.beginRecording(10, 10);
|
|
|
|
canvas->clipRect(SkRect::MakeEmpty(), kReplace_SkClipOp);
|
|
// The following expanding clip should not be skipped.
|
|
canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), kUnion_SkClipOp);
|
|
// Draw something so the optimizer doesn't just fold the world.
|
|
SkPaint p;
|
|
p.setColor(SK_ColorBLUE);
|
|
canvas->drawPaint(p);
|
|
sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
|
|
|
|
ClipCountingCanvas testCanvas(10, 10);
|
|
picture->playback(&testCanvas);
|
|
|
|
// Both clips should be present on playback.
|
|
REPORTER_ASSERT(reporter, testCanvas.getClipCount() == 2);
|
|
}
|
|
|
|
static void test_gen_id(skiatest::Reporter* reporter) {
|
|
|
|
SkPictureRecorder recorder;
|
|
recorder.beginRecording(0, 0);
|
|
sk_sp<SkPicture> empty(recorder.finishRecordingAsPicture());
|
|
|
|
// Empty pictures should still have a valid ID
|
|
REPORTER_ASSERT(reporter, empty->uniqueID() != SK_InvalidGenID);
|
|
|
|
SkCanvas* canvas = recorder.beginRecording(1, 1);
|
|
canvas->drawColor(SK_ColorWHITE);
|
|
sk_sp<SkPicture> hasData(recorder.finishRecordingAsPicture());
|
|
// picture should have a non-zero id after recording
|
|
REPORTER_ASSERT(reporter, hasData->uniqueID() != SK_InvalidGenID);
|
|
|
|
// both pictures should have different ids
|
|
REPORTER_ASSERT(reporter, hasData->uniqueID() != empty->uniqueID());
|
|
}
|
|
|
|
static void test_typeface(skiatest::Reporter* reporter) {
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* canvas = recorder.beginRecording(10, 10);
|
|
SkFont font(SkTypeface::MakeFromName("Arial", SkFontStyle::Italic()));
|
|
canvas->drawString("Q", 0, 10, font, SkPaint());
|
|
sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
|
|
SkDynamicMemoryWStream stream;
|
|
picture->serialize(&stream);
|
|
}
|
|
|
|
DEF_TEST(Picture, reporter) {
|
|
test_typeface(reporter);
|
|
#ifdef SK_DEBUG
|
|
test_deleting_empty_picture();
|
|
test_serializing_empty_picture();
|
|
#else
|
|
test_bad_bitmap();
|
|
#endif
|
|
test_unbalanced_save_restores(reporter);
|
|
test_peephole();
|
|
test_clip_bound_opt(reporter);
|
|
test_clip_expansion(reporter);
|
|
test_gen_id(reporter);
|
|
test_cull_rect_reset(reporter);
|
|
}
|
|
|
|
static void draw_bitmaps(const SkBitmap bitmap, SkCanvas* canvas) {
|
|
const SkPaint paint;
|
|
const SkRect rect = { 5.0f, 5.0f, 8.0f, 8.0f };
|
|
const SkIRect irect = { 2, 2, 3, 3 };
|
|
int divs[] = { 2, 3 };
|
|
SkCanvas::Lattice lattice;
|
|
lattice.fXCount = lattice.fYCount = 2;
|
|
lattice.fXDivs = lattice.fYDivs = divs;
|
|
|
|
// Don't care what these record, as long as they're legal.
|
|
canvas->drawBitmap(bitmap, 0.0f, 0.0f, &paint);
|
|
canvas->drawBitmapRect(bitmap, rect, rect, &paint, SkCanvas::kStrict_SrcRectConstraint);
|
|
canvas->drawBitmapNine(bitmap, irect, rect, &paint);
|
|
canvas->drawBitmap(bitmap, 1, 1); // drawSprite
|
|
canvas->drawBitmapLattice(bitmap, lattice, rect, &paint);
|
|
}
|
|
|
|
static void test_draw_bitmaps(SkCanvas* canvas) {
|
|
SkBitmap empty;
|
|
draw_bitmaps(empty, canvas);
|
|
empty.setInfo(SkImageInfo::MakeN32Premul(10, 10));
|
|
draw_bitmaps(empty, canvas);
|
|
}
|
|
|
|
DEF_TEST(Picture_EmptyBitmap, r) {
|
|
SkPictureRecorder recorder;
|
|
test_draw_bitmaps(recorder.beginRecording(10, 10));
|
|
sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
|
|
}
|
|
|
|
DEF_TEST(Canvas_EmptyBitmap, r) {
|
|
SkBitmap dst;
|
|
dst.allocN32Pixels(10, 10);
|
|
SkCanvas canvas(dst);
|
|
|
|
test_draw_bitmaps(&canvas);
|
|
}
|
|
|
|
DEF_TEST(DontOptimizeSaveLayerDrawDrawRestore, reporter) {
|
|
// This test is from crbug.com/344987.
|
|
// The commands are:
|
|
// saveLayer with paint that modifies alpha
|
|
// drawBitmapRect
|
|
// drawBitmapRect
|
|
// restore
|
|
// The bug was that this structure was modified so that:
|
|
// - The saveLayer and restore were eliminated
|
|
// - The alpha was only applied to the first drawBitmapRectToRect
|
|
|
|
// This test draws blue and red squares inside a 50% transparent
|
|
// layer. Both colours should show up muted.
|
|
// When the bug is present, the red square (the second bitmap)
|
|
// shows upwith full opacity.
|
|
|
|
SkBitmap blueBM;
|
|
make_bm(&blueBM, 100, 100, SkColorSetARGB(255, 0, 0, 255), true);
|
|
SkBitmap redBM;
|
|
make_bm(&redBM, 100, 100, SkColorSetARGB(255, 255, 0, 0), true);
|
|
SkPaint semiTransparent;
|
|
semiTransparent.setAlpha(0x80);
|
|
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* canvas = recorder.beginRecording(100, 100);
|
|
canvas->drawColor(0);
|
|
|
|
canvas->saveLayer(nullptr, &semiTransparent);
|
|
canvas->drawBitmap(blueBM, 25, 25);
|
|
canvas->drawBitmap(redBM, 50, 50);
|
|
canvas->restore();
|
|
|
|
sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
|
|
|
|
// Now replay the picture back on another canvas
|
|
// and check a couple of its pixels.
|
|
SkBitmap replayBM;
|
|
make_bm(&replayBM, 100, 100, SK_ColorBLACK, false);
|
|
SkCanvas replayCanvas(replayBM);
|
|
picture->playback(&replayCanvas);
|
|
|
|
// With the bug present, at (55, 55) we would get a fully opaque red
|
|
// intead of a dark red.
|
|
REPORTER_ASSERT(reporter, replayBM.getColor(30, 30) == 0xff000080);
|
|
REPORTER_ASSERT(reporter, replayBM.getColor(55, 55) == 0xff800000);
|
|
}
|
|
|
|
struct CountingBBH : public SkBBoxHierarchy {
|
|
mutable int searchCalls;
|
|
SkRect rootBound;
|
|
|
|
CountingBBH(const SkRect& bound) : searchCalls(0), rootBound(bound) {}
|
|
|
|
void search(const SkRect& query, SkTDArray<int>* results) const override {
|
|
this->searchCalls++;
|
|
}
|
|
|
|
void insert(const SkRect[], int) override {}
|
|
virtual size_t bytesUsed() const override { return 0; }
|
|
SkRect getRootBound() const override { return rootBound; }
|
|
};
|
|
|
|
class SpoonFedBBHFactory : public SkBBHFactory {
|
|
public:
|
|
explicit SpoonFedBBHFactory(SkBBoxHierarchy* bbh) : fBBH(bbh) {}
|
|
SkBBoxHierarchy* operator()(const SkRect&) const override {
|
|
return SkRef(fBBH);
|
|
}
|
|
private:
|
|
SkBBoxHierarchy* fBBH;
|
|
};
|
|
|
|
// When the canvas clip covers the full picture, we don't need to call the BBH.
|
|
DEF_TEST(Picture_SkipBBH, r) {
|
|
SkRect bound = SkRect::MakeWH(320, 240);
|
|
CountingBBH bbh(bound);
|
|
SpoonFedBBHFactory factory(&bbh);
|
|
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* c = recorder.beginRecording(bound, &factory);
|
|
// Record a few ops so we don't hit a small- or empty- picture optimization.
|
|
c->drawRect(bound, SkPaint());
|
|
c->drawRect(bound, SkPaint());
|
|
sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
|
|
|
|
SkCanvas big(640, 480), small(300, 200);
|
|
|
|
picture->playback(&big);
|
|
REPORTER_ASSERT(r, bbh.searchCalls == 0);
|
|
|
|
picture->playback(&small);
|
|
REPORTER_ASSERT(r, bbh.searchCalls == 1);
|
|
}
|
|
|
|
DEF_TEST(Picture_BitmapLeak, r) {
|
|
SkBitmap mut, immut;
|
|
mut.allocN32Pixels(300, 200);
|
|
immut.allocN32Pixels(300, 200);
|
|
immut.setImmutable();
|
|
SkASSERT(!mut.isImmutable());
|
|
SkASSERT(immut.isImmutable());
|
|
|
|
// No one can hold a ref on our pixels yet.
|
|
REPORTER_ASSERT(r, mut.pixelRef()->unique());
|
|
REPORTER_ASSERT(r, immut.pixelRef()->unique());
|
|
|
|
sk_sp<SkPicture> pic;
|
|
{
|
|
// we want the recorder to go out of scope before our subsequent checks, so we
|
|
// place it inside local braces.
|
|
SkPictureRecorder rec;
|
|
SkCanvas* canvas = rec.beginRecording(1920, 1200);
|
|
canvas->drawBitmap(mut, 0, 0);
|
|
canvas->drawBitmap(immut, 800, 600);
|
|
pic = rec.finishRecordingAsPicture();
|
|
}
|
|
|
|
// The picture shares the immutable pixels but copies the mutable ones.
|
|
REPORTER_ASSERT(r, mut.pixelRef()->unique());
|
|
REPORTER_ASSERT(r, !immut.pixelRef()->unique());
|
|
|
|
// When the picture goes away, it's just our bitmaps holding the refs.
|
|
pic = nullptr;
|
|
REPORTER_ASSERT(r, mut.pixelRef()->unique());
|
|
REPORTER_ASSERT(r, immut.pixelRef()->unique());
|
|
}
|
|
|
|
// getRecordingCanvas() should return a SkCanvas when recording, null when not recording.
|
|
DEF_TEST(Picture_getRecordingCanvas, r) {
|
|
SkPictureRecorder rec;
|
|
REPORTER_ASSERT(r, !rec.getRecordingCanvas());
|
|
for (int i = 0; i < 3; i++) {
|
|
rec.beginRecording(100, 100);
|
|
REPORTER_ASSERT(r, rec.getRecordingCanvas());
|
|
rec.finishRecordingAsPicture();
|
|
REPORTER_ASSERT(r, !rec.getRecordingCanvas());
|
|
}
|
|
}
|
|
|
|
DEF_TEST(MiniRecorderLeftHanging, r) {
|
|
// Any shader or other ref-counted effect will do just fine here.
|
|
SkPaint paint;
|
|
paint.setShader(SkShader::MakeColorShader(SK_ColorRED));
|
|
|
|
SkMiniRecorder rec;
|
|
REPORTER_ASSERT(r, rec.drawRect(SkRect::MakeWH(20,30), paint));
|
|
// Don't call rec.detachPicture(). Test succeeds by not asserting or leaking the shader.
|
|
}
|
|
|
|
DEF_TEST(Picture_preserveCullRect, r) {
|
|
SkPictureRecorder recorder;
|
|
|
|
SkCanvas* c = recorder.beginRecording(SkRect::MakeLTRB(1, 2, 3, 4));
|
|
c->clear(SK_ColorCYAN);
|
|
|
|
sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
|
|
SkDynamicMemoryWStream wstream;
|
|
picture->serialize(&wstream);
|
|
|
|
std::unique_ptr<SkStream> rstream(wstream.detachAsStream());
|
|
sk_sp<SkPicture> deserializedPicture(SkPicture::MakeFromStream(rstream.get()));
|
|
|
|
REPORTER_ASSERT(r, deserializedPicture != nullptr);
|
|
REPORTER_ASSERT(r, deserializedPicture->cullRect().left() == 1);
|
|
REPORTER_ASSERT(r, deserializedPicture->cullRect().top() == 2);
|
|
REPORTER_ASSERT(r, deserializedPicture->cullRect().right() == 3);
|
|
REPORTER_ASSERT(r, deserializedPicture->cullRect().bottom() == 4);
|
|
}
|
|
|
|
|
|
// If we record bounded ops into a picture with a big cull and calculate the
|
|
// bounds of those ops, we should trim down the picture cull to the ops' bounds.
|
|
// If we're not using an SkBBH, we shouldn't change it.
|
|
DEF_TEST(Picture_UpdatedCull_1, r) {
|
|
// Testing 1 draw exercises SkMiniPicture.
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
|
|
auto canvas = recorder.beginRecording(SkRectPriv::MakeLargest(), &factory);
|
|
canvas->drawRect(SkRect::MakeWH(20,20), SkPaint{});
|
|
auto pic = recorder.finishRecordingAsPicture();
|
|
REPORTER_ASSERT(r, pic->cullRect() == SkRect::MakeWH(20,20));
|
|
|
|
canvas = recorder.beginRecording(SkRectPriv::MakeLargest());
|
|
canvas->drawRect(SkRect::MakeWH(20,20), SkPaint{});
|
|
pic = recorder.finishRecordingAsPicture();
|
|
REPORTER_ASSERT(r, pic->cullRect() == SkRectPriv::MakeLargest());
|
|
}
|
|
DEF_TEST(Picture_UpdatedCull_2, r) {
|
|
// Testing >1 draw exercises SkBigPicture.
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
|
|
auto canvas = recorder.beginRecording(SkRectPriv::MakeLargest(), &factory);
|
|
canvas->drawRect(SkRect::MakeWH(20,20), SkPaint{});
|
|
canvas->drawRect(SkRect::MakeWH(10,40), SkPaint{});
|
|
auto pic = recorder.finishRecordingAsPicture();
|
|
REPORTER_ASSERT(r, pic->cullRect() == SkRect::MakeWH(20,40));
|
|
|
|
canvas = recorder.beginRecording(SkRectPriv::MakeLargest());
|
|
canvas->drawRect(SkRect::MakeWH(20,20), SkPaint{});
|
|
canvas->drawRect(SkRect::MakeWH(10,40), SkPaint{});
|
|
pic = recorder.finishRecordingAsPicture();
|
|
REPORTER_ASSERT(r, pic->cullRect() == SkRectPriv::MakeLargest());
|
|
}
|
|
|
|
DEF_TEST(Picture_RecordsFlush, r) {
|
|
SkPictureRecorder recorder;
|
|
|
|
auto canvas = recorder.beginRecording(SkRect::MakeWH(100,100));
|
|
for (int i = 0; i < 10; i++) {
|
|
canvas->clear(0);
|
|
for (int j = 0; j < 10; j++) {
|
|
canvas->drawRect(SkRect::MakeXYWH(i*10,j*10,10,10), SkPaint());
|
|
}
|
|
canvas->flush();
|
|
}
|
|
|
|
// Did we record the flushes?
|
|
auto pic = recorder.finishRecordingAsPicture();
|
|
REPORTER_ASSERT(r, pic->approximateOpCount() == 120); // 10 clears, 100 draws, 10 flushes
|
|
|
|
// Do we serialize and deserialize flushes?
|
|
auto skp = pic->serialize();
|
|
auto back = SkPicture::MakeFromData(skp->data(), skp->size());
|
|
REPORTER_ASSERT(r, back->approximateOpCount() == pic->approximateOpCount());
|
|
}
|
|
|
|
DEF_TEST(Placeholder, r) {
|
|
SkRect cull = { 0,0, 10,20 };
|
|
|
|
// Each placeholder is unique.
|
|
sk_sp<SkPicture> p1 = SkPicture::MakePlaceholder(cull),
|
|
p2 = SkPicture::MakePlaceholder(cull);
|
|
REPORTER_ASSERT(r, p1->cullRect() == p2->cullRect());
|
|
REPORTER_ASSERT(r, p1->cullRect() == cull);
|
|
REPORTER_ASSERT(r, p1->uniqueID() != p2->uniqueID());
|
|
|
|
// Placeholders are never unrolled by SkCanvas (while other small pictures may be).
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* canvas = recorder.beginRecording(cull);
|
|
canvas->drawPicture(p1);
|
|
canvas->drawPicture(p2);
|
|
sk_sp<SkPicture> pic = recorder.finishRecordingAsPicture();
|
|
REPORTER_ASSERT(r, pic->approximateOpCount() == 2);
|
|
}
|
|
|
|
DEF_TEST(Picture_empty_serial, reporter) {
|
|
SkPictureRecorder rec;
|
|
(void)rec.beginRecording(10, 10);
|
|
auto pic = rec.finishRecordingAsPicture();
|
|
REPORTER_ASSERT(reporter, pic);
|
|
|
|
auto data = pic->serialize();
|
|
REPORTER_ASSERT(reporter, data);
|
|
|
|
auto pic2 = SkPicture::MakeFromData(data->data(), data->size());
|
|
REPORTER_ASSERT(reporter, pic2);
|
|
}
|
|
|