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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.
*/
#if SK_SUPPORT_GPU
#include "Test.h"
#include "GrRecordReplaceDraw.h"
#include "RecordTestUtils.h"
#include "SkBBHFactory.h"
#include "SkPictureRecorder.h"
#include "SkRecordDraw.h"
#include "SkRecorder.h"
#include "SkUtils.h"
static const int kWidth = 100;
static const int kHeight = 100;
class JustOneDraw : public SkDrawPictureCallback {
public:
JustOneDraw() : fCalls(0) {}
virtual bool abortDrawing() SK_OVERRIDE { return fCalls++ > 0; }
private:
int fCalls;
};
// Make sure the abort callback works
DEF_TEST(RecordReplaceDraw_Abort, r) {
SkAutoTUnref<const SkPicture> pic;
{
// Record two commands.
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight));
canvas->drawRect(SkRect::MakeWH(SkIntToScalar(kWidth), SkIntToScalar(kHeight)), SkPaint());
canvas->clipRect(SkRect::MakeWH(SkIntToScalar(kWidth), SkIntToScalar(kHeight)));
pic.reset(recorder.endRecording());
}
SkRecord rerecord;
SkRecorder canvas(&rerecord, kWidth, kHeight);
GrReplacements replacements;
JustOneDraw callback;
GrRecordReplaceDraw(pic, &canvas, &replacements, SkMatrix::I(), &callback);
REPORTER_ASSERT(r, 3 == rerecord.count());
assert_type<SkRecords::Save>(r, rerecord, 0);
assert_type<SkRecords::DrawRect>(r, rerecord, 1);
assert_type<SkRecords::Restore>(r, rerecord, 2);
}
// Make sure GrRecordReplaceDraw balances unbalanced saves
DEF_TEST(RecordReplaceDraw_Unbalanced, r) {
SkAutoTUnref<const SkPicture> pic;
{
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight));
// We won't balance this, but GrRecordReplaceDraw will for us.
canvas->save();
pic.reset(recorder.endRecording());
}
SkRecord rerecord;
SkRecorder canvas(&rerecord, kWidth, kHeight);
GrReplacements replacements;
GrRecordReplaceDraw(pic, &canvas, &replacements, SkMatrix::I(), NULL/*callback*/);
REPORTER_ASSERT(r, 4 == rerecord.count());
assert_type<SkRecords::Save>(r, rerecord, 0);
assert_type<SkRecords::Save>(r, rerecord, 1);
assert_type<SkRecords::Restore>(r, rerecord, 2);
assert_type<SkRecords::Restore>(r, rerecord, 3);
}
static SkImage* make_image(SkColor color) {
const SkPMColor pmcolor = SkPreMultiplyColor(color);
const SkImageInfo info = SkImageInfo::MakeN32Premul(kWidth, kHeight);
const size_t rowBytes = info.minRowBytes();
const size_t size = rowBytes * info.height();
SkAutoMalloc addr(size);
sk_memset32((SkPMColor*)addr.get(), pmcolor, SkToInt(size >> 2));
return SkImage::NewRasterCopy(info, addr.get(), rowBytes);
}
// Test out the layer replacement functionality with and w/o a BBH
void test_replacements(skiatest::Reporter* r, bool useBBH) {
SkAutoTUnref<const SkPicture> pic;
{
SkRTreeFactory bbhFactory;
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight),
useBBH ? &bbhFactory : NULL);
SkAutoTDelete<SkPaint> paint(SkNEW(SkPaint));
canvas->saveLayer(NULL, paint);
canvas->clear(SK_ColorRED);
canvas->restore();
canvas->drawRect(SkRect::MakeWH(SkIntToScalar(kWidth / 2), SkIntToScalar(kHeight / 2)),
SkPaint());
pic.reset(recorder.endRecording());
}
GrReplacements replacements;
GrReplacements::ReplacementInfo* ri = replacements.push();
ri->fStart = 0;
ri->fStop = 2;
ri->fPos.set(0, 0);
ri->fImage = make_image(SK_ColorRED);
ri->fPaint = SkNEW(SkPaint);
ri->fSrcRect = SkIRect::MakeWH(kWidth, kHeight);
SkAutoTUnref<SkBBoxHierarchy> bbh;
SkRecord rerecord;
SkRecorder canvas(&rerecord, kWidth, kHeight);
GrRecordReplaceDraw(pic, &canvas, &replacements, SkMatrix::I(), NULL/*callback*/);
REPORTER_ASSERT(r, 7 == rerecord.count());
assert_type<SkRecords::Save>(r, rerecord, 0);
assert_type<SkRecords::Save>(r, rerecord, 1);
assert_type<SkRecords::SetMatrix>(r, rerecord, 2);
assert_type<SkRecords::DrawBitmapRectToRect>(r, rerecord, 3);
assert_type<SkRecords::Restore>(r, rerecord, 4);
assert_type<SkRecords::DrawRect>(r, rerecord, 5);
assert_type<SkRecords::Restore>(r, rerecord, 6);
}
DEF_TEST(RecordReplaceDraw_Replace, r) { test_replacements(r, false); }
DEF_TEST(RecordReplaceDraw_ReplaceWithBBH, r) { test_replacements(r, true); }
#endif
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