| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkBitmap.h" |
| #include "SkCanvas.h" |
| #include "SkData.h" |
| #include "SkDevice.h" |
| #include "SkImageEncoder.h" |
| #include "SkImageGenerator.h" |
| #include "SkImage_Base.h" |
| #include "SkPicture.h" |
| #include "SkPictureRecorder.h" |
| #include "SkPixelSerializer.h" |
| #include "SkRRect.h" |
| #include "SkStream.h" |
| #include "SkSurface.h" |
| #include "SkUtils.h" |
| #include "Test.h" |
| |
| #if SK_SUPPORT_GPU |
| #include "GrContext.h" |
| #include "gl/GrGLInterface.h" |
| #include "gl/GrGLUtil.h" |
| #endif |
| |
| static void assert_equal(skiatest::Reporter* reporter, SkImage* a, const SkIRect* subsetA, |
| SkImage* b) { |
| const int widthA = subsetA ? subsetA->width() : a->width(); |
| const int heightA = subsetA ? subsetA->height() : a->height(); |
| |
| REPORTER_ASSERT(reporter, widthA == b->width()); |
| REPORTER_ASSERT(reporter, heightA == b->height()); |
| #if 0 |
| // see https://bug.skia.org/3965 |
| bool AO = a->isOpaque(); |
| bool BO = b->isOpaque(); |
| REPORTER_ASSERT(reporter, AO == BO); |
| #endif |
| |
| SkImageInfo info = SkImageInfo::MakeN32(widthA, heightA, |
| a->isOpaque() ? kOpaque_SkAlphaType : kPremul_SkAlphaType); |
| SkAutoPixmapStorage pmapA, pmapB; |
| pmapA.alloc(info); |
| pmapB.alloc(info); |
| |
| const int srcX = subsetA ? subsetA->x() : 0; |
| const int srcY = subsetA ? subsetA->y() : 0; |
| |
| REPORTER_ASSERT(reporter, a->readPixels(pmapA, srcX, srcY)); |
| REPORTER_ASSERT(reporter, b->readPixels(pmapB, 0, 0)); |
| |
| const size_t widthBytes = widthA * info.bytesPerPixel(); |
| for (int y = 0; y < heightA; ++y) { |
| REPORTER_ASSERT(reporter, !memcmp(pmapA.addr32(0, y), pmapB.addr32(0, y), widthBytes)); |
| } |
| } |
| static void draw_image_test_pattern(SkCanvas* canvas) { |
| canvas->clear(SK_ColorWHITE); |
| SkPaint paint; |
| paint.setColor(SK_ColorBLACK); |
| canvas->drawRect(SkRect::MakeXYWH(5, 5, 10, 10), paint); |
| } |
| static SkImage* create_image() { |
| const SkImageInfo info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType); |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRaster(info)); |
| draw_image_test_pattern(surface->getCanvas()); |
| return surface->newImageSnapshot(); |
| } |
| static SkData* create_image_data(SkImageInfo* info) { |
| *info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType); |
| const size_t rowBytes = info->minRowBytes(); |
| SkAutoTUnref<SkData> data(SkData::NewUninitialized(rowBytes * info->height())); |
| { |
| SkBitmap bm; |
| bm.installPixels(*info, data->writable_data(), rowBytes); |
| SkCanvas canvas(bm); |
| draw_image_test_pattern(&canvas); |
| } |
| return data.release(); |
| } |
| static SkImage* create_data_image() { |
| SkImageInfo info; |
| SkAutoTUnref<SkData> data(create_image_data(&info)); |
| return SkImage::NewRasterData(info, data, info.minRowBytes()); |
| } |
| // Want to ensure that our Release is called when the owning image is destroyed |
| struct RasterDataHolder { |
| RasterDataHolder() : fReleaseCount(0) {} |
| SkAutoTUnref<SkData> fData; |
| int fReleaseCount; |
| static void Release(const void* pixels, void* context) { |
| RasterDataHolder* self = static_cast<RasterDataHolder*>(context); |
| self->fReleaseCount++; |
| self->fData.reset(); |
| } |
| }; |
| static SkImage* create_rasterproc_image(RasterDataHolder* dataHolder) { |
| SkASSERT(dataHolder); |
| SkImageInfo info; |
| SkAutoTUnref<SkData> data(create_image_data(&info)); |
| dataHolder->fData.reset(SkRef(data.get())); |
| return SkImage::NewFromRaster(info, data->data(), info.minRowBytes(), |
| RasterDataHolder::Release, dataHolder); |
| } |
| static SkImage* create_codec_image() { |
| SkImageInfo info; |
| SkAutoTUnref<SkData> data(create_image_data(&info)); |
| SkBitmap bitmap; |
| bitmap.installPixels(info, data->writable_data(), info.minRowBytes()); |
| SkAutoTUnref<SkData> src( |
| SkImageEncoder::EncodeData(bitmap, SkImageEncoder::kPNG_Type, 100)); |
| return SkImage::NewFromEncoded(src); |
| } |
| #if SK_SUPPORT_GPU |
| static SkImage* create_gpu_image(GrContext* context) { |
| const SkImageInfo info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType); |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTarget(context, SkSurface::kNo_Budgeted, |
| info)); |
| draw_image_test_pattern(surface->getCanvas()); |
| return surface->newImageSnapshot(); |
| } |
| #endif |
| |
| static void test_encode(skiatest::Reporter* reporter, SkImage* image) { |
| const SkIRect ir = SkIRect::MakeXYWH(5, 5, 10, 10); |
| SkAutoTUnref<SkData> origEncoded(image->encode()); |
| REPORTER_ASSERT(reporter, origEncoded); |
| REPORTER_ASSERT(reporter, origEncoded->size() > 0); |
| |
| SkAutoTUnref<SkImage> decoded(SkImage::NewFromEncoded(origEncoded)); |
| REPORTER_ASSERT(reporter, decoded); |
| assert_equal(reporter, image, nullptr, decoded); |
| |
| // Now see if we can instantiate an image from a subset of the surface/origEncoded |
| |
| decoded.reset(SkImage::NewFromEncoded(origEncoded, &ir)); |
| REPORTER_ASSERT(reporter, decoded); |
| assert_equal(reporter, image, &ir, decoded); |
| } |
| |
| DEF_TEST(ImageEncode, reporter) { |
| SkAutoTUnref<SkImage> image(create_image()); |
| test_encode(reporter, image); |
| } |
| |
| #if SK_SUPPORT_GPU |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageEncode_Gpu, reporter, context) { |
| SkAutoTUnref<SkImage> image(create_gpu_image(context)); |
| test_encode(reporter, image); |
| } |
| #endif |
| |
| namespace { |
| |
| const char* kSerializedData = "serialized"; |
| |
| class MockSerializer : public SkPixelSerializer { |
| public: |
| MockSerializer(SkData* (*func)()) : fFunc(func), fDidEncode(false) { } |
| |
| bool didEncode() const { return fDidEncode; } |
| |
| protected: |
| bool onUseEncodedData(const void*, size_t) override { |
| return false; |
| } |
| |
| SkData* onEncodePixels(const SkImageInfo&, const void*, size_t) override { |
| fDidEncode = true; |
| return fFunc(); |
| } |
| |
| private: |
| SkData* (*fFunc)(); |
| bool fDidEncode; |
| |
| typedef SkPixelSerializer INHERITED; |
| }; |
| |
| } // anonymous namespace |
| |
| // Test that SkImage encoding observes custom pixel serializers. |
| DEF_TEST(Image_Encode_Serializer, reporter) { |
| MockSerializer serializer([]() -> SkData* { return SkData::NewWithCString(kSerializedData); }); |
| SkAutoTUnref<SkImage> image(create_image()); |
| SkAutoTUnref<SkData> encoded(image->encode(&serializer)); |
| SkAutoTUnref<SkData> reference(SkData::NewWithCString(kSerializedData)); |
| |
| REPORTER_ASSERT(reporter, serializer.didEncode()); |
| REPORTER_ASSERT(reporter, encoded); |
| REPORTER_ASSERT(reporter, encoded->size() > 0); |
| REPORTER_ASSERT(reporter, encoded->equals(reference)); |
| } |
| |
| // Test that image encoding failures do not break picture serialization/deserialization. |
| DEF_TEST(Image_Serialize_Encoding_Failure, reporter) { |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(100, 100)); |
| surface->getCanvas()->clear(SK_ColorGREEN); |
| SkAutoTUnref<SkImage> image(surface->newImageSnapshot()); |
| REPORTER_ASSERT(reporter, image); |
| |
| SkPictureRecorder recorder; |
| SkCanvas* canvas = recorder.beginRecording(100, 100); |
| canvas->drawImage(image, 0, 0); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, picture); |
| REPORTER_ASSERT(reporter, picture->approximateOpCount() > 0); |
| |
| MockSerializer emptySerializer([]() -> SkData* { return SkData::NewEmpty(); }); |
| MockSerializer nullSerializer([]() -> SkData* { return nullptr; }); |
| MockSerializer* serializers[] = { &emptySerializer, &nullSerializer }; |
| |
| for (size_t i = 0; i < SK_ARRAY_COUNT(serializers); ++i) { |
| SkDynamicMemoryWStream wstream; |
| REPORTER_ASSERT(reporter, !serializers[i]->didEncode()); |
| picture->serialize(&wstream, serializers[i]); |
| REPORTER_ASSERT(reporter, serializers[i]->didEncode()); |
| |
| SkAutoTDelete<SkStream> rstream(wstream.detachAsStream()); |
| SkAutoTUnref<SkPicture> deserialized(SkPicture::CreateFromStream(rstream)); |
| REPORTER_ASSERT(reporter, deserialized); |
| REPORTER_ASSERT(reporter, deserialized->approximateOpCount() > 0); |
| } |
| } |
| |
| DEF_TEST(Image_NewRasterCopy, reporter) { |
| const SkPMColor red = SkPackARGB32(0xFF, 0xFF, 0, 0); |
| const SkPMColor green = SkPackARGB32(0xFF, 0, 0xFF, 0); |
| const SkPMColor blue = SkPackARGB32(0xFF, 0, 0, 0xFF); |
| SkPMColor colors[] = { red, green, blue, 0 }; |
| SkAutoTUnref<SkColorTable> ctable(new SkColorTable(colors, SK_ARRAY_COUNT(colors))); |
| // The colortable made a copy, so we can trash the original colors |
| memset(colors, 0xFF, sizeof(colors)); |
| |
| const SkImageInfo srcInfo = SkImageInfo::Make(2, 2, kIndex_8_SkColorType, kPremul_SkAlphaType); |
| const size_t srcRowBytes = 2 * sizeof(uint8_t); |
| uint8_t indices[] = { 0, 1, 2, 3 }; |
| SkAutoTUnref<SkImage> image(SkImage::NewRasterCopy(srcInfo, indices, srcRowBytes, ctable)); |
| // The image made a copy, so we can trash the original indices |
| memset(indices, 0xFF, sizeof(indices)); |
| |
| const SkImageInfo dstInfo = SkImageInfo::MakeN32Premul(2, 2); |
| const size_t dstRowBytes = 2 * sizeof(SkPMColor); |
| SkPMColor pixels[4]; |
| memset(pixels, 0xFF, sizeof(pixels)); // init with values we don't expect |
| image->readPixels(dstInfo, pixels, dstRowBytes, 0, 0); |
| REPORTER_ASSERT(reporter, red == pixels[0]); |
| REPORTER_ASSERT(reporter, green == pixels[1]); |
| REPORTER_ASSERT(reporter, blue == pixels[2]); |
| REPORTER_ASSERT(reporter, 0 == pixels[3]); |
| } |
| |
| // Test that a draw that only partially covers the drawing surface isn't |
| // interpreted as covering the entire drawing surface (i.e., exercise one of the |
| // conditions of SkCanvas::wouldOverwriteEntireSurface()). |
| DEF_TEST(Image_RetainSnapshot, reporter) { |
| const SkPMColor red = SkPackARGB32(0xFF, 0xFF, 0, 0); |
| const SkPMColor green = SkPackARGB32(0xFF, 0, 0xFF, 0); |
| SkImageInfo info = SkImageInfo::MakeN32Premul(2, 2); |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRaster(info)); |
| surface->getCanvas()->clear(0xFF00FF00); |
| |
| SkPMColor pixels[4]; |
| memset(pixels, 0xFF, sizeof(pixels)); // init with values we don't expect |
| const SkImageInfo dstInfo = SkImageInfo::MakeN32Premul(2, 2); |
| const size_t dstRowBytes = 2 * sizeof(SkPMColor); |
| |
| SkAutoTUnref<SkImage> image1(surface->newImageSnapshot()); |
| REPORTER_ASSERT(reporter, image1->readPixels(dstInfo, pixels, dstRowBytes, 0, 0)); |
| for (size_t i = 0; i < SK_ARRAY_COUNT(pixels); ++i) { |
| REPORTER_ASSERT(reporter, pixels[i] == green); |
| } |
| |
| SkPaint paint; |
| paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
| paint.setColor(SK_ColorRED); |
| |
| surface->getCanvas()->drawRect(SkRect::MakeXYWH(1, 1, 1, 1), paint); |
| |
| SkAutoTUnref<SkImage> image2(surface->newImageSnapshot()); |
| REPORTER_ASSERT(reporter, image2->readPixels(dstInfo, pixels, dstRowBytes, 0, 0)); |
| REPORTER_ASSERT(reporter, pixels[0] == green); |
| REPORTER_ASSERT(reporter, pixels[1] == green); |
| REPORTER_ASSERT(reporter, pixels[2] == green); |
| REPORTER_ASSERT(reporter, pixels[3] == red); |
| } |
| |
| ///////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| static void make_bitmap_mutable(SkBitmap* bm) { |
| bm->allocN32Pixels(10, 10); |
| } |
| |
| static void make_bitmap_immutable(SkBitmap* bm) { |
| bm->allocN32Pixels(10, 10); |
| bm->setImmutable(); |
| } |
| |
| DEF_TEST(image_newfrombitmap, reporter) { |
| const struct { |
| void (*fMakeProc)(SkBitmap*); |
| bool fExpectPeekSuccess; |
| bool fExpectSharedID; |
| bool fExpectLazy; |
| } rec[] = { |
| { make_bitmap_mutable, true, false, false }, |
| { make_bitmap_immutable, true, true, false }, |
| }; |
| |
| for (size_t i = 0; i < SK_ARRAY_COUNT(rec); ++i) { |
| SkBitmap bm; |
| rec[i].fMakeProc(&bm); |
| |
| SkAutoTUnref<SkImage> image(SkImage::NewFromBitmap(bm)); |
| SkPixmap pmap; |
| |
| const bool sharedID = (image->uniqueID() == bm.getGenerationID()); |
| REPORTER_ASSERT(reporter, sharedID == rec[i].fExpectSharedID); |
| |
| const bool peekSuccess = image->peekPixels(&pmap); |
| REPORTER_ASSERT(reporter, peekSuccess == rec[i].fExpectPeekSuccess); |
| |
| const bool lazy = image->isLazyGenerated(); |
| REPORTER_ASSERT(reporter, lazy == rec[i].fExpectLazy); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| #if SK_SUPPORT_GPU |
| |
| #include "SkBitmapCache.h" |
| |
| /* |
| * This tests the caching (and preemptive purge) of the raster equivalent of a gpu-image. |
| * We cache it for performance when drawing into a raster surface. |
| * |
| * A cleaner test would know if each drawImage call triggered a read-back from the gpu, |
| * but we don't have that facility (at the moment) so we use a little internal knowledge |
| * of *how* the raster version is cached, and look for that. |
| */ |
| DEF_GPUTEST_FOR_NATIVE_CONTEXT(SkImage_Gpu2Cpu, reporter, context) { |
| SkImageInfo info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType); |
| SkAutoTUnref<SkImage> image(create_gpu_image(context)); |
| const uint32_t uniqueID = image->uniqueID(); |
| |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRaster(info)); |
| |
| // now we can test drawing a gpu-backed image into a cpu-backed surface |
| |
| { |
| SkBitmap cachedBitmap; |
| REPORTER_ASSERT(reporter, !SkBitmapCache::Find(uniqueID, &cachedBitmap)); |
| } |
| |
| surface->getCanvas()->drawImage(image, 0, 0); |
| { |
| SkBitmap cachedBitmap; |
| if (SkBitmapCache::Find(uniqueID, &cachedBitmap)) { |
| REPORTER_ASSERT(reporter, cachedBitmap.getGenerationID() == uniqueID); |
| REPORTER_ASSERT(reporter, cachedBitmap.isImmutable()); |
| REPORTER_ASSERT(reporter, cachedBitmap.getPixels()); |
| } else { |
| // unexpected, but not really a bug, since the cache is global and this test may be |
| // run w/ other threads competing for its budget. |
| SkDebugf("SkImage_Gpu2Cpu : cachedBitmap was already purged\n"); |
| } |
| } |
| |
| image.reset(nullptr); |
| { |
| SkBitmap cachedBitmap; |
| REPORTER_ASSERT(reporter, !SkBitmapCache::Find(uniqueID, &cachedBitmap)); |
| } |
| } |
| #endif |
| |
| // https://bug.skia.org/4390 |
| DEF_TEST(ImageFromIndex8Bitmap, r) { |
| SkPMColor pmColors[1] = {SkPreMultiplyColor(SK_ColorWHITE)}; |
| SkBitmap bm; |
| SkAutoTUnref<SkColorTable> ctable( |
| new SkColorTable(pmColors, SK_ARRAY_COUNT(pmColors))); |
| SkImageInfo info = |
| SkImageInfo::Make(1, 1, kIndex_8_SkColorType, kPremul_SkAlphaType); |
| bm.allocPixels(info, nullptr, ctable); |
| SkAutoLockPixels autoLockPixels(bm); |
| *bm.getAddr8(0, 0) = 0; |
| SkAutoTUnref<SkImage> img(SkImage::NewFromBitmap(bm)); |
| REPORTER_ASSERT(r, img.get() != nullptr); |
| } |
| |
| class EmptyGenerator : public SkImageGenerator { |
| public: |
| EmptyGenerator() : SkImageGenerator(SkImageInfo::MakeN32Premul(0, 0)) {} |
| }; |
| |
| DEF_TEST(ImageEmpty, reporter) { |
| const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType); |
| REPORTER_ASSERT(reporter, nullptr == SkImage::NewRasterCopy(info, nullptr, 0)); |
| REPORTER_ASSERT(reporter, nullptr == SkImage::NewRasterData(info, nullptr, 0)); |
| REPORTER_ASSERT(reporter, nullptr == SkImage::NewFromRaster(info, nullptr, 0, nullptr, nullptr)); |
| REPORTER_ASSERT(reporter, nullptr == SkImage::NewFromGenerator(new EmptyGenerator)); |
| } |
| |
| DEF_TEST(ImageDataRef, reporter) { |
| SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1); |
| size_t rowBytes = info.minRowBytes(); |
| size_t size = info.getSafeSize(rowBytes); |
| SkData* data = SkData::NewUninitialized(size); |
| REPORTER_ASSERT(reporter, data->unique()); |
| SkImage* image = SkImage::NewRasterData(info, data, rowBytes); |
| REPORTER_ASSERT(reporter, !data->unique()); |
| image->unref(); |
| REPORTER_ASSERT(reporter, data->unique()); |
| data->unref(); |
| } |
| |
| static bool has_pixels(const SkPMColor pixels[], int count, SkPMColor expected) { |
| for (int i = 0; i < count; ++i) { |
| if (pixels[i] != expected) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| static void test_read_pixels(skiatest::Reporter* reporter, SkImage* image) { |
| const SkPMColor expected = SkPreMultiplyColor(SK_ColorWHITE); |
| const SkPMColor notExpected = ~expected; |
| |
| const int w = 2, h = 2; |
| const size_t rowBytes = w * sizeof(SkPMColor); |
| SkPMColor pixels[w*h]; |
| |
| SkImageInfo info; |
| |
| info = SkImageInfo::MakeUnknown(w, h); |
| REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, 0)); |
| |
| // out-of-bounds should fail |
| info = SkImageInfo::MakeN32Premul(w, h); |
| REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, -w, 0)); |
| REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, -h)); |
| REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, image->width(), 0)); |
| REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, image->height())); |
| |
| // top-left should succeed |
| sk_memset32(pixels, notExpected, w*h); |
| REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, 0, 0)); |
| REPORTER_ASSERT(reporter, has_pixels(pixels, w*h, expected)); |
| |
| // bottom-right should succeed |
| sk_memset32(pixels, notExpected, w*h); |
| REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, |
| image->width() - w, image->height() - h)); |
| REPORTER_ASSERT(reporter, has_pixels(pixels, w*h, expected)); |
| |
| // partial top-left should succeed |
| sk_memset32(pixels, notExpected, w*h); |
| REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, -1, -1)); |
| REPORTER_ASSERT(reporter, pixels[3] == expected); |
| REPORTER_ASSERT(reporter, has_pixels(pixels, w*h - 1, notExpected)); |
| |
| // partial bottom-right should succeed |
| sk_memset32(pixels, notExpected, w*h); |
| REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, |
| image->width() - 1, image->height() - 1)); |
| REPORTER_ASSERT(reporter, pixels[0] == expected); |
| REPORTER_ASSERT(reporter, has_pixels(&pixels[1], w*h - 1, notExpected)); |
| } |
| DEF_TEST(ImageReadPixels, reporter) { |
| SkAutoTUnref<SkImage> image(create_image()); |
| test_read_pixels(reporter, image); |
| |
| image.reset(create_data_image()); |
| test_read_pixels(reporter, image); |
| |
| RasterDataHolder dataHolder; |
| image.reset(create_rasterproc_image(&dataHolder)); |
| test_read_pixels(reporter, image); |
| image.reset(); |
| REPORTER_ASSERT(reporter, 1 == dataHolder.fReleaseCount); |
| |
| image.reset(create_codec_image()); |
| test_read_pixels(reporter, image); |
| } |
| #if SK_SUPPORT_GPU |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageReadPixels_Gpu, reporter, context) { |
| SkAutoTUnref<SkImage> image(create_gpu_image(context)); |
| test_read_pixels(reporter, image); |
| } |
| #endif |
| |
| static void check_legacy_bitmap(skiatest::Reporter* reporter, const SkImage* image, |
| const SkBitmap& bitmap, SkImage::LegacyBitmapMode mode) { |
| REPORTER_ASSERT(reporter, image->width() == bitmap.width()); |
| REPORTER_ASSERT(reporter, image->height() == bitmap.height()); |
| REPORTER_ASSERT(reporter, image->isOpaque() == bitmap.isOpaque()); |
| |
| if (SkImage::kRO_LegacyBitmapMode == mode) { |
| REPORTER_ASSERT(reporter, bitmap.isImmutable()); |
| } |
| |
| SkAutoLockPixels alp(bitmap); |
| REPORTER_ASSERT(reporter, bitmap.getPixels()); |
| |
| const SkImageInfo info = SkImageInfo::MakeN32(1, 1, bitmap.alphaType()); |
| SkPMColor imageColor; |
| REPORTER_ASSERT(reporter, image->readPixels(info, &imageColor, sizeof(SkPMColor), 0, 0)); |
| REPORTER_ASSERT(reporter, imageColor == *bitmap.getAddr32(0, 0)); |
| } |
| |
| static void test_legacy_bitmap(skiatest::Reporter* reporter, const SkImage* image, SkImage::LegacyBitmapMode mode) { |
| SkBitmap bitmap; |
| REPORTER_ASSERT(reporter, image->asLegacyBitmap(&bitmap, mode)); |
| check_legacy_bitmap(reporter, image, bitmap, mode); |
| |
| // Test subsetting to exercise the rowBytes logic. |
| SkBitmap tmp; |
| REPORTER_ASSERT(reporter, bitmap.extractSubset(&tmp, SkIRect::MakeWH(image->width() / 2, |
| image->height() / 2))); |
| SkAutoTUnref<SkImage> subsetImage(SkImage::NewFromBitmap(tmp)); |
| REPORTER_ASSERT(reporter, subsetImage); |
| |
| SkBitmap subsetBitmap; |
| REPORTER_ASSERT(reporter, subsetImage->asLegacyBitmap(&subsetBitmap, mode)); |
| check_legacy_bitmap(reporter, subsetImage, subsetBitmap, mode); |
| } |
| DEF_TEST(ImageLegacyBitmap, reporter) { |
| const SkImage::LegacyBitmapMode modes[] = { |
| SkImage::kRO_LegacyBitmapMode, |
| SkImage::kRW_LegacyBitmapMode, |
| }; |
| for (auto& mode : modes) { |
| SkAutoTUnref<SkImage> image(create_image()); |
| test_legacy_bitmap(reporter, image, mode); |
| |
| image.reset(create_data_image()); |
| test_legacy_bitmap(reporter, image, mode); |
| |
| RasterDataHolder dataHolder; |
| image.reset(create_rasterproc_image(&dataHolder)); |
| test_legacy_bitmap(reporter, image, mode); |
| image.reset(); |
| REPORTER_ASSERT(reporter, 1 == dataHolder.fReleaseCount); |
| |
| image.reset(create_codec_image()); |
| test_legacy_bitmap(reporter, image, mode); |
| } |
| } |
| #if SK_SUPPORT_GPU |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageLegacyBitmap_Gpu, reporter, context) { |
| const SkImage::LegacyBitmapMode modes[] = { |
| SkImage::kRO_LegacyBitmapMode, |
| SkImage::kRW_LegacyBitmapMode, |
| }; |
| for (auto& mode : modes) { |
| SkAutoTUnref<SkImage> image(create_gpu_image(context)); |
| test_legacy_bitmap(reporter, image, mode); |
| } |
| } |
| #endif |
| |
| static void test_peek(skiatest::Reporter* reporter, SkImage* image, bool expectPeekSuccess) { |
| SkImageInfo info; |
| size_t rowBytes; |
| const void* addr = image->peekPixels(&info, &rowBytes); |
| bool success = SkToBool(addr); |
| REPORTER_ASSERT(reporter, expectPeekSuccess == success); |
| if (success) { |
| REPORTER_ASSERT(reporter, 20 == info.width()); |
| REPORTER_ASSERT(reporter, 20 == info.height()); |
| REPORTER_ASSERT(reporter, kN32_SkColorType == info.colorType()); |
| REPORTER_ASSERT(reporter, kPremul_SkAlphaType == info.alphaType() || |
| kOpaque_SkAlphaType == info.alphaType()); |
| REPORTER_ASSERT(reporter, info.minRowBytes() <= rowBytes); |
| REPORTER_ASSERT(reporter, SkPreMultiplyColor(SK_ColorWHITE) == *(const SkPMColor*)addr); |
| } |
| } |
| DEF_TEST(ImagePeek, reporter) { |
| SkAutoTUnref<SkImage> image(create_image()); |
| test_peek(reporter, image, true); |
| |
| image.reset(create_data_image()); |
| test_peek(reporter, image, true); |
| |
| RasterDataHolder dataHolder; |
| image.reset(create_rasterproc_image(&dataHolder)); |
| test_peek(reporter, image, true); |
| image.reset(); |
| REPORTER_ASSERT(reporter, 1 == dataHolder.fReleaseCount); |
| |
| image.reset(create_codec_image()); |
| test_peek(reporter, image, false); |
| } |
| #if SK_SUPPORT_GPU |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImagePeek_Gpu, reporter, context) { |
| SkAutoTUnref<SkImage> image(create_gpu_image(context)); |
| test_peek(reporter, image, false); |
| } |
| #endif |
| |
| #if SK_SUPPORT_GPU |
| struct TextureReleaseChecker { |
| TextureReleaseChecker() : fReleaseCount(0) {} |
| int fReleaseCount; |
| static void Release(void* self) { |
| static_cast<TextureReleaseChecker*>(self)->fReleaseCount++; |
| } |
| }; |
| static void check_image_color(skiatest::Reporter* reporter, SkImage* image, SkPMColor expected) { |
| const SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1); |
| SkPMColor pixel; |
| REPORTER_ASSERT(reporter, image->readPixels(info, &pixel, sizeof(pixel), 0, 0)); |
| REPORTER_ASSERT(reporter, pixel == expected); |
| } |
| DEF_GPUTEST_FOR_NATIVE_CONTEXT(SkImage_NewFromTexture, reporter, context) { |
| GrTextureProvider* provider = context->textureProvider(); |
| const int w = 10; |
| const int h = 10; |
| SkPMColor storage[w * h]; |
| const SkPMColor expected0 = SkPreMultiplyColor(SK_ColorRED); |
| sk_memset32(storage, expected0, w * h); |
| GrSurfaceDesc desc; |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; // needs to be a rendertarget for readpixels(); |
| desc.fOrigin = kDefault_GrSurfaceOrigin; |
| desc.fWidth = w; |
| desc.fHeight = h; |
| desc.fConfig = kSkia8888_GrPixelConfig; |
| desc.fSampleCnt = 0; |
| SkAutoTUnref<GrTexture> tex(provider->createTexture(desc, false, storage, w * 4)); |
| if (!tex) { |
| REPORTER_ASSERT(reporter, false); |
| return; |
| } |
| |
| GrBackendTextureDesc backendDesc; |
| backendDesc.fConfig = kSkia8888_GrPixelConfig; |
| backendDesc.fFlags = kRenderTarget_GrBackendTextureFlag; |
| backendDesc.fWidth = w; |
| backendDesc.fHeight = h; |
| backendDesc.fSampleCnt = 0; |
| backendDesc.fTextureHandle = tex->getTextureHandle(); |
| TextureReleaseChecker releaseChecker; |
| SkAutoTUnref<SkImage> refImg( |
| SkImage::NewFromTexture(context, backendDesc, kPremul_SkAlphaType, |
| TextureReleaseChecker::Release, &releaseChecker)); |
| SkAutoTUnref<SkImage> cpyImg(SkImage::NewFromTextureCopy(context, backendDesc, |
| kPremul_SkAlphaType)); |
| |
| check_image_color(reporter, refImg, expected0); |
| check_image_color(reporter, cpyImg, expected0); |
| |
| // Now lets jam new colors into our "external" texture, and see if the images notice |
| const SkPMColor expected1 = SkPreMultiplyColor(SK_ColorBLUE); |
| sk_memset32(storage, expected1, w * h); |
| tex->writePixels(0, 0, w, h, kSkia8888_GrPixelConfig, storage, GrContext::kFlushWrites_PixelOp); |
| |
| // The cpy'd one should still see the old color |
| #if 0 |
| // There is no guarantee that refImg sees the new color. We are free to have made a copy. Our |
| // write pixels call violated the contract with refImg and refImg is now undefined. |
| check_image_color(reporter, refImg, expected1); |
| #endif |
| check_image_color(reporter, cpyImg, expected0); |
| |
| // Now exercise the release proc |
| REPORTER_ASSERT(reporter, 0 == releaseChecker.fReleaseCount); |
| refImg.reset(nullptr); // force a release of the image |
| REPORTER_ASSERT(reporter, 1 == releaseChecker.fReleaseCount); |
| } |
| #endif |