DEF_TEST(SkRecordingAccuracyXfermode, reporter) {
#define FINEGRAIN 0
const Drawer drawer;
BitmapBackedCanvasStrategy golden(drawer.imageInfo());
PictureStrategy picture(drawer.imageInfo());
#if !FINEGRAIN
unsigned numErrors = 0;
SkString errors;
#endif
for (int iMode = 0; iMode < int(SkBlendMode::kLastMode); iMode++) {
const SkRect& clip = SkRect::MakeXYWH(100, 0, 100, 100);
SkBlendMode mode = SkBlendMode(iMode);
const SkBitmap& goldenBM = golden.recordAndReplay(drawer, clip, mode);
const SkBitmap& pictureBM = picture.recordAndReplay(drawer, clip, mode);
size_t pixelsSize = goldenBM.computeByteSize();
REPORTER_ASSERT(reporter, pixelsSize == pictureBM.computeByteSize());
// The pixel arrays should match.
#if FINEGRAIN
REPORTER_ASSERT(reporter,
0 == memcmp(goldenBM.getPixels(), pictureBM.getPixels(), pixelsSize));
#else
if (memcmp(goldenBM.getPixels(), pictureBM.getPixels(), pixelsSize)) {
numErrors++;
errors.appendf("For SkXfermode %d %s: SkPictureRecorder bitmap is wrong\n",
iMode, SkBlendMode_Name(mode));
}
#endif
}
#if !FINEGRAIN
REPORTER_ASSERT(reporter, 0 == numErrors, errors.c_str());
#endif
}
sk_sp<GrXPFactory> GrPorterDuffXPFactory::TestCreate(GrProcessorTestData* d) {
SkBlendMode mode = SkBlendMode(d->fRandom->nextULessThan((int)SkBlendMode::kLastCoeffMode));
return GrPorterDuffXPFactory::Make(mode);
}