1 /*
2 * Copyright 2015 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include <functional>
9 #include <initializer_list>
10 #include <vector>
11
12 #include "SkAutoPixmapStorage.h"
13 #include "SkBitmap.h"
14 #include "SkCanvas.h"
15 #include "SkColorSpacePriv.h"
16 #include "SkData.h"
17 #include "SkImageEncoder.h"
18 #include "SkImageGenerator.h"
19 #include "SkImage_Base.h"
20 #include "SkImagePriv.h"
21 #include "SkMakeUnique.h"
22 #include "SkPicture.h"
23 #include "SkPictureRecorder.h"
24 #include "SkPixelSerializer.h"
25 #include "SkRRect.h"
26 #include "SkStream.h"
27 #include "SkSurface.h"
28 #include "SkUtils.h"
29 #include "Test.h"
30
31 #include "Resources.h"
32 #include "sk_tool_utils.h"
33
34 #if SK_SUPPORT_GPU
35 #include "GrGpu.h"
36 #endif
37
38 using namespace sk_gpu_test;
39
read_pixels_info(SkImage * image)40 SkImageInfo read_pixels_info(SkImage* image) {
41 if (as_IB(image)->onImageInfo().colorSpace()) {
42 return SkImageInfo::MakeS32(image->width(), image->height(), image->alphaType());
43 }
44
45 return SkImageInfo::MakeN32(image->width(), image->height(), image->alphaType());
46 }
47
assert_equal(skiatest::Reporter * reporter,SkImage * a,const SkIRect * subsetA,SkImage * b)48 static void assert_equal(skiatest::Reporter* reporter, SkImage* a, const SkIRect* subsetA,
49 SkImage* b) {
50 const int widthA = subsetA ? subsetA->width() : a->width();
51 const int heightA = subsetA ? subsetA->height() : a->height();
52
53 REPORTER_ASSERT(reporter, widthA == b->width());
54 REPORTER_ASSERT(reporter, heightA == b->height());
55
56 // see https://bug.skia.org/3965
57 //REPORTER_ASSERT(reporter, a->isOpaque() == b->isOpaque());
58
59 SkAutoPixmapStorage pmapA, pmapB;
60 pmapA.alloc(read_pixels_info(a));
61 pmapB.alloc(read_pixels_info(b));
62
63 const int srcX = subsetA ? subsetA->x() : 0;
64 const int srcY = subsetA ? subsetA->y() : 0;
65
66 REPORTER_ASSERT(reporter, a->readPixels(pmapA, srcX, srcY));
67 REPORTER_ASSERT(reporter, b->readPixels(pmapB, 0, 0));
68
69 const size_t widthBytes = widthA * 4;
70 for (int y = 0; y < heightA; ++y) {
71 REPORTER_ASSERT(reporter, !memcmp(pmapA.addr32(0, y), pmapB.addr32(0, y), widthBytes));
72 }
73 }
draw_image_test_pattern(SkCanvas * canvas)74 static void draw_image_test_pattern(SkCanvas* canvas) {
75 canvas->clear(SK_ColorWHITE);
76 SkPaint paint;
77 paint.setColor(SK_ColorBLACK);
78 canvas->drawRect(SkRect::MakeXYWH(5, 5, 10, 10), paint);
79 }
create_image()80 static sk_sp<SkImage> create_image() {
81 const SkImageInfo info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType);
82 auto surface(SkSurface::MakeRaster(info));
83 draw_image_test_pattern(surface->getCanvas());
84 return surface->makeImageSnapshot();
85 }
create_image_data(SkImageInfo * info)86 static sk_sp<SkData> create_image_data(SkImageInfo* info) {
87 *info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType);
88 const size_t rowBytes = info->minRowBytes();
89 sk_sp<SkData> data(SkData::MakeUninitialized(rowBytes * info->height()));
90 {
91 SkBitmap bm;
92 bm.installPixels(*info, data->writable_data(), rowBytes);
93 SkCanvas canvas(bm);
94 draw_image_test_pattern(&canvas);
95 }
96 return data;
97 }
create_data_image()98 static sk_sp<SkImage> create_data_image() {
99 SkImageInfo info;
100 sk_sp<SkData> data(create_image_data(&info));
101 return SkImage::MakeRasterData(info, std::move(data), info.minRowBytes());
102 }
103 #if SK_SUPPORT_GPU // not gpu-specific but currently only used in GPU tests
create_image_large(int maxTextureSize)104 static sk_sp<SkImage> create_image_large(int maxTextureSize) {
105 const SkImageInfo info = SkImageInfo::MakeN32(maxTextureSize + 1, 32, kOpaque_SkAlphaType);
106 auto surface(SkSurface::MakeRaster(info));
107 surface->getCanvas()->clear(SK_ColorWHITE);
108 SkPaint paint;
109 paint.setColor(SK_ColorBLACK);
110 surface->getCanvas()->drawRect(SkRect::MakeXYWH(4000, 2, 28000, 30), paint);
111 return surface->makeImageSnapshot();
112 }
create_picture_image()113 static sk_sp<SkImage> create_picture_image() {
114 SkPictureRecorder recorder;
115 SkCanvas* canvas = recorder.beginRecording(10, 10);
116 canvas->clear(SK_ColorCYAN);
117 return SkImage::MakeFromPicture(recorder.finishRecordingAsPicture(), SkISize::Make(10, 10),
118 nullptr, nullptr, SkImage::BitDepth::kU8,
119 SkColorSpace::MakeSRGB());
120 };
121 #endif
122 // Want to ensure that our Release is called when the owning image is destroyed
123 struct RasterDataHolder {
RasterDataHolderRasterDataHolder124 RasterDataHolder() : fReleaseCount(0) {}
125 sk_sp<SkData> fData;
126 int fReleaseCount;
ReleaseRasterDataHolder127 static void Release(const void* pixels, void* context) {
128 RasterDataHolder* self = static_cast<RasterDataHolder*>(context);
129 self->fReleaseCount++;
130 self->fData.reset();
131 }
132 };
create_rasterproc_image(RasterDataHolder * dataHolder)133 static sk_sp<SkImage> create_rasterproc_image(RasterDataHolder* dataHolder) {
134 SkASSERT(dataHolder);
135 SkImageInfo info;
136 dataHolder->fData = create_image_data(&info);
137 return SkImage::MakeFromRaster(SkPixmap(info, dataHolder->fData->data(), info.minRowBytes()),
138 RasterDataHolder::Release, dataHolder);
139 }
create_codec_image()140 static sk_sp<SkImage> create_codec_image() {
141 SkImageInfo info;
142 sk_sp<SkData> data(create_image_data(&info));
143 SkBitmap bitmap;
144 bitmap.installPixels(info, data->writable_data(), info.minRowBytes());
145 sk_sp<SkData> src(sk_tool_utils::EncodeImageToData(bitmap, SkEncodedImageFormat::kPNG, 100));
146 return SkImage::MakeFromEncoded(std::move(src));
147 }
148 #if SK_SUPPORT_GPU
create_gpu_image(GrContext * context)149 static sk_sp<SkImage> create_gpu_image(GrContext* context) {
150 const SkImageInfo info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType);
151 auto surface(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info));
152 draw_image_test_pattern(surface->getCanvas());
153 return surface->makeImageSnapshot();
154 }
155 #endif
156
test_encode(skiatest::Reporter * reporter,SkImage * image)157 static void test_encode(skiatest::Reporter* reporter, SkImage* image) {
158 const SkIRect ir = SkIRect::MakeXYWH(5, 5, 10, 10);
159 sk_sp<SkData> origEncoded(image->encode());
160 REPORTER_ASSERT(reporter, origEncoded);
161 REPORTER_ASSERT(reporter, origEncoded->size() > 0);
162
163 sk_sp<SkImage> decoded(SkImage::MakeFromEncoded(origEncoded));
164 if (!decoded) {
165 ERRORF(reporter, "failed to decode image!");
166 return;
167 }
168 REPORTER_ASSERT(reporter, decoded);
169 assert_equal(reporter, image, nullptr, decoded.get());
170
171 // Now see if we can instantiate an image from a subset of the surface/origEncoded
172
173 decoded = SkImage::MakeFromEncoded(origEncoded, &ir);
174 REPORTER_ASSERT(reporter, decoded);
175 assert_equal(reporter, image, &ir, decoded.get());
176 }
177
DEF_TEST(ImageEncode,reporter)178 DEF_TEST(ImageEncode, reporter) {
179 test_encode(reporter, create_image().get());
180 }
181
182 #if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageEncode_Gpu,reporter,ctxInfo)183 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageEncode_Gpu, reporter, ctxInfo) {
184 test_encode(reporter, create_gpu_image(ctxInfo.grContext()).get());
185 }
186 #endif
187
DEF_TEST(Image_MakeFromRasterBitmap,reporter)188 DEF_TEST(Image_MakeFromRasterBitmap, reporter) {
189 const struct {
190 SkCopyPixelsMode fCPM;
191 bool fExpectSameAsMutable;
192 bool fExpectSameAsImmutable;
193 } recs[] = {
194 { kIfMutable_SkCopyPixelsMode, false, true },
195 { kAlways_SkCopyPixelsMode, false, false },
196 { kNever_SkCopyPixelsMode, true, true },
197 };
198 for (auto rec : recs) {
199 SkPixmap pm;
200 SkBitmap bm;
201 bm.allocN32Pixels(100, 100);
202
203 auto img = SkMakeImageFromRasterBitmap(bm, rec.fCPM);
204 REPORTER_ASSERT(reporter, img->peekPixels(&pm));
205 const bool sameMutable = pm.addr32(0, 0) == bm.getAddr32(0, 0);
206 REPORTER_ASSERT(reporter, rec.fExpectSameAsMutable == sameMutable);
207 REPORTER_ASSERT(reporter, (bm.getGenerationID() == img->uniqueID()) == sameMutable);
208
209 bm.notifyPixelsChanged(); // force a new generation ID
210
211 bm.setImmutable();
212 img = SkMakeImageFromRasterBitmap(bm, rec.fCPM);
213 REPORTER_ASSERT(reporter, img->peekPixels(&pm));
214 const bool sameImmutable = pm.addr32(0, 0) == bm.getAddr32(0, 0);
215 REPORTER_ASSERT(reporter, rec.fExpectSameAsImmutable == sameImmutable);
216 REPORTER_ASSERT(reporter, (bm.getGenerationID() == img->uniqueID()) == sameImmutable);
217 }
218 }
219
220 namespace {
221
222 const char* kSerializedData = "serialized";
223
224 class MockSerializer : public SkPixelSerializer {
225 public:
MockSerializer(sk_sp<SkData> (* func)())226 MockSerializer(sk_sp<SkData> (*func)()) : fFunc(func), fDidEncode(false) { }
227
didEncode() const228 bool didEncode() const { return fDidEncode; }
229
230 protected:
onUseEncodedData(const void *,size_t)231 bool onUseEncodedData(const void*, size_t) override {
232 return false;
233 }
234
onEncode(const SkPixmap &)235 SkData* onEncode(const SkPixmap&) override {
236 fDidEncode = true;
237 return fFunc().release();
238 }
239
240 private:
241 sk_sp<SkData> (*fFunc)();
242 bool fDidEncode;
243
244 typedef SkPixelSerializer INHERITED;
245 };
246
247 } // anonymous namespace
248
249 // Test that SkImage encoding observes custom pixel serializers.
DEF_TEST(Image_Encode_Serializer,reporter)250 DEF_TEST(Image_Encode_Serializer, reporter) {
251 MockSerializer serializer([]() -> sk_sp<SkData> {
252 return SkData::MakeWithCString(kSerializedData);
253 });
254 sk_sp<SkImage> image(create_image());
255 sk_sp<SkData> encoded(image->encode(&serializer));
256 sk_sp<SkData> reference(SkData::MakeWithCString(kSerializedData));
257
258 REPORTER_ASSERT(reporter, serializer.didEncode());
259 REPORTER_ASSERT(reporter, encoded);
260 REPORTER_ASSERT(reporter, encoded->size() > 0);
261 REPORTER_ASSERT(reporter, encoded->equals(reference.get()));
262 }
263
264 // Test that image encoding failures do not break picture serialization/deserialization.
DEF_TEST(Image_Serialize_Encoding_Failure,reporter)265 DEF_TEST(Image_Serialize_Encoding_Failure, reporter) {
266 auto surface(SkSurface::MakeRasterN32Premul(100, 100));
267 surface->getCanvas()->clear(SK_ColorGREEN);
268 sk_sp<SkImage> image(surface->makeImageSnapshot());
269 REPORTER_ASSERT(reporter, image);
270
271 SkPictureRecorder recorder;
272 SkCanvas* canvas = recorder.beginRecording(100, 100);
273 canvas->drawImage(image, 0, 0);
274 sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
275 REPORTER_ASSERT(reporter, picture);
276 REPORTER_ASSERT(reporter, picture->approximateOpCount() > 0);
277
278 MockSerializer emptySerializer([]() -> sk_sp<SkData> { return SkData::MakeEmpty(); });
279 MockSerializer nullSerializer([]() -> sk_sp<SkData> { return nullptr; });
280 MockSerializer* serializers[] = { &emptySerializer, &nullSerializer };
281
282 for (size_t i = 0; i < SK_ARRAY_COUNT(serializers); ++i) {
283 SkDynamicMemoryWStream wstream;
284 REPORTER_ASSERT(reporter, !serializers[i]->didEncode());
285 picture->serialize(&wstream, serializers[i]);
286 REPORTER_ASSERT(reporter, serializers[i]->didEncode());
287
288 std::unique_ptr<SkStream> rstream(wstream.detachAsStream());
289 sk_sp<SkPicture> deserialized(SkPicture::MakeFromStream(rstream.get()));
290 REPORTER_ASSERT(reporter, deserialized);
291 REPORTER_ASSERT(reporter, deserialized->approximateOpCount() > 0);
292 }
293 }
294
DEF_TEST(Image_NewRasterCopy,reporter)295 DEF_TEST(Image_NewRasterCopy, reporter) {
296 const SkPMColor red = SkPackARGB32(0xFF, 0xFF, 0, 0);
297 const SkPMColor green = SkPackARGB32(0xFF, 0, 0xFF, 0);
298 const SkPMColor blue = SkPackARGB32(0xFF, 0, 0, 0xFF);
299 SkPMColor colors[] = { red, green, blue, 0 };
300 sk_sp<SkColorTable> ctable(new SkColorTable(colors, SK_ARRAY_COUNT(colors)));
301 // The colortable made a copy, so we can trash the original colors
302 memset(colors, 0xFF, sizeof(colors));
303
304 const SkImageInfo srcInfo = SkImageInfo::Make(2, 2, kIndex_8_SkColorType, kPremul_SkAlphaType);
305 const size_t srcRowBytes = 2 * sizeof(uint8_t);
306 uint8_t indices[] = { 0, 1, 2, 3 };
307 auto image = SkImage::MakeRasterCopy(SkPixmap(srcInfo, indices, srcRowBytes, ctable.get()));
308 // The image made a copy, so we can trash the original indices
309 memset(indices, 0xFF, sizeof(indices));
310
311 const SkImageInfo dstInfo = SkImageInfo::MakeN32Premul(2, 2);
312 const size_t dstRowBytes = 2 * sizeof(SkPMColor);
313 SkPMColor pixels[4];
314 memset(pixels, 0xFF, sizeof(pixels)); // init with values we don't expect
315 image->readPixels(dstInfo, pixels, dstRowBytes, 0, 0);
316 REPORTER_ASSERT(reporter, red == pixels[0]);
317 REPORTER_ASSERT(reporter, green == pixels[1]);
318 REPORTER_ASSERT(reporter, blue == pixels[2]);
319 REPORTER_ASSERT(reporter, 0 == pixels[3]);
320 }
321
322 // Test that a draw that only partially covers the drawing surface isn't
323 // interpreted as covering the entire drawing surface (i.e., exercise one of the
324 // conditions of SkCanvas::wouldOverwriteEntireSurface()).
DEF_TEST(Image_RetainSnapshot,reporter)325 DEF_TEST(Image_RetainSnapshot, reporter) {
326 const SkPMColor red = SkPackARGB32(0xFF, 0xFF, 0, 0);
327 const SkPMColor green = SkPackARGB32(0xFF, 0, 0xFF, 0);
328 SkImageInfo info = SkImageInfo::MakeN32Premul(2, 2);
329 auto surface(SkSurface::MakeRaster(info));
330 surface->getCanvas()->clear(0xFF00FF00);
331
332 SkPMColor pixels[4];
333 memset(pixels, 0xFF, sizeof(pixels)); // init with values we don't expect
334 const SkImageInfo dstInfo = SkImageInfo::MakeN32Premul(2, 2);
335 const size_t dstRowBytes = 2 * sizeof(SkPMColor);
336
337 sk_sp<SkImage> image1(surface->makeImageSnapshot());
338 REPORTER_ASSERT(reporter, image1->readPixels(dstInfo, pixels, dstRowBytes, 0, 0));
339 for (size_t i = 0; i < SK_ARRAY_COUNT(pixels); ++i) {
340 REPORTER_ASSERT(reporter, pixels[i] == green);
341 }
342
343 SkPaint paint;
344 paint.setBlendMode(SkBlendMode::kSrc);
345 paint.setColor(SK_ColorRED);
346
347 surface->getCanvas()->drawRect(SkRect::MakeXYWH(1, 1, 1, 1), paint);
348
349 sk_sp<SkImage> image2(surface->makeImageSnapshot());
350 REPORTER_ASSERT(reporter, image2->readPixels(dstInfo, pixels, dstRowBytes, 0, 0));
351 REPORTER_ASSERT(reporter, pixels[0] == green);
352 REPORTER_ASSERT(reporter, pixels[1] == green);
353 REPORTER_ASSERT(reporter, pixels[2] == green);
354 REPORTER_ASSERT(reporter, pixels[3] == red);
355 }
356
357 /////////////////////////////////////////////////////////////////////////////////////////////////
358
make_bitmap_mutable(SkBitmap * bm)359 static void make_bitmap_mutable(SkBitmap* bm) {
360 bm->allocN32Pixels(10, 10);
361 }
362
make_bitmap_immutable(SkBitmap * bm)363 static void make_bitmap_immutable(SkBitmap* bm) {
364 bm->allocN32Pixels(10, 10);
365 bm->setImmutable();
366 }
367
DEF_TEST(image_newfrombitmap,reporter)368 DEF_TEST(image_newfrombitmap, reporter) {
369 const struct {
370 void (*fMakeProc)(SkBitmap*);
371 bool fExpectPeekSuccess;
372 bool fExpectSharedID;
373 bool fExpectLazy;
374 } rec[] = {
375 { make_bitmap_mutable, true, false, false },
376 { make_bitmap_immutable, true, true, false },
377 };
378
379 for (size_t i = 0; i < SK_ARRAY_COUNT(rec); ++i) {
380 SkBitmap bm;
381 rec[i].fMakeProc(&bm);
382
383 sk_sp<SkImage> image(SkImage::MakeFromBitmap(bm));
384 SkPixmap pmap;
385
386 const bool sharedID = (image->uniqueID() == bm.getGenerationID());
387 REPORTER_ASSERT(reporter, sharedID == rec[i].fExpectSharedID);
388
389 const bool peekSuccess = image->peekPixels(&pmap);
390 REPORTER_ASSERT(reporter, peekSuccess == rec[i].fExpectPeekSuccess);
391
392 const bool lazy = image->isLazyGenerated();
393 REPORTER_ASSERT(reporter, lazy == rec[i].fExpectLazy);
394 }
395 }
396
397 ///////////////////////////////////////////////////////////////////////////////////////////////////
398 #if SK_SUPPORT_GPU
399
400 #include "SkBitmapCache.h"
401
402 /*
403 * This tests the caching (and preemptive purge) of the raster equivalent of a gpu-image.
404 * We cache it for performance when drawing into a raster surface.
405 *
406 * A cleaner test would know if each drawImage call triggered a read-back from the gpu,
407 * but we don't have that facility (at the moment) so we use a little internal knowledge
408 * of *how* the raster version is cached, and look for that.
409 */
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(c,reporter,ctxInfo)410 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(c, reporter, ctxInfo) {
411 SkImageInfo info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType);
412 sk_sp<SkImage> image(create_gpu_image(ctxInfo.grContext()));
413 const uint32_t uniqueID = image->uniqueID();
414 const auto desc = SkBitmapCacheDesc::Make(image.get());
415
416 auto surface(SkSurface::MakeRaster(info));
417
418 // now we can test drawing a gpu-backed image into a cpu-backed surface
419
420 {
421 SkBitmap cachedBitmap;
422 REPORTER_ASSERT(reporter, !SkBitmapCache::Find(desc, &cachedBitmap));
423 }
424
425 surface->getCanvas()->drawImage(image, 0, 0);
426 {
427 SkBitmap cachedBitmap;
428 if (SkBitmapCache::Find(desc, &cachedBitmap)) {
429 REPORTER_ASSERT(reporter, cachedBitmap.getGenerationID() == uniqueID);
430 REPORTER_ASSERT(reporter, cachedBitmap.isImmutable());
431 REPORTER_ASSERT(reporter, cachedBitmap.getPixels());
432 } else {
433 // unexpected, but not really a bug, since the cache is global and this test may be
434 // run w/ other threads competing for its budget.
435 SkDebugf("SkImage_Gpu2Cpu : cachedBitmap was already purged\n");
436 }
437 }
438
439 image.reset(nullptr);
440 {
441 SkBitmap cachedBitmap;
442 REPORTER_ASSERT(reporter, !SkBitmapCache::Find(desc, &cachedBitmap));
443 }
444 }
445
pick_second_context_type(const sk_gpu_test::ContextInfo & info)446 GrContextFactory::ContextType pick_second_context_type(const sk_gpu_test::ContextInfo& info) {
447 switch (info.backend()) {
448 case kOpenGL_GrBackend:
449 #if defined(SK_BUILD_FOR_WIN) || defined(SK_BUILD_FOR_UNIX) || defined (SK_BUILD_FOR_MAC)
450 return GrContextFactory::kGL_ContextType;
451 #else
452 return GrContextFactory::kGLES_ContextType;
453 #endif
454 case kVulkan_GrBackend:
455 return GrContextFactory::kVulkan_ContextType;
456 }
457 SkFAIL("Unknown backend type.");
458 return GrContextFactory::kGL_ContextType;
459 }
460
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkImage_makeTextureImage,reporter,contextInfo)461 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkImage_makeTextureImage, reporter, contextInfo) {
462 GrContext* context = contextInfo.grContext();
463 sk_gpu_test::TestContext* testContext = contextInfo.testContext();
464 GrContextFactory otherFactory;
465 GrContextFactory::ContextType otherContextType = pick_second_context_type(contextInfo);
466 ContextInfo otherContextInfo = otherFactory.getContextInfo(otherContextType);
467 testContext->makeCurrent();
468
469 std::function<sk_sp<SkImage>()> imageFactories[] = {
470 create_image,
471 create_codec_image,
472 create_data_image,
473 // Create an image from a picture.
474 create_picture_image,
475 // Create a texture image.
476 [context] { return create_gpu_image(context); },
477 // Create a texture image in a another GrContext.
478 [testContext, otherContextInfo] {
479 otherContextInfo.testContext()->makeCurrent();
480 sk_sp<SkImage> otherContextImage = create_gpu_image(otherContextInfo.grContext());
481 testContext->makeCurrent();
482 return otherContextImage;
483 }
484 };
485
486 sk_sp<SkColorSpace> dstColorSpaces[] ={
487 nullptr,
488 SkColorSpace::MakeSRGB(),
489 };
490
491 for (auto& dstColorSpace : dstColorSpaces) {
492 for (auto factory : imageFactories) {
493 sk_sp<SkImage> image(factory());
494 if (!image) {
495 ERRORF(reporter, "Error creating image.");
496 continue;
497 }
498 GrTexture* origTexture = as_IB(image)->peekTexture();
499
500 sk_sp<SkImage> texImage(image->makeTextureImage(context, dstColorSpace.get()));
501 if (!texImage) {
502 // We expect to fail if image comes from a different GrContext.
503 if (!origTexture || origTexture->getContext() == context) {
504 ERRORF(reporter, "makeTextureImage failed.");
505 }
506 continue;
507 }
508 GrTexture* copyTexture = as_IB(texImage)->peekTexture();
509 if (!copyTexture) {
510 ERRORF(reporter, "makeTextureImage returned non-texture image.");
511 continue;
512 }
513 if (origTexture) {
514 if (origTexture != copyTexture) {
515 ERRORF(reporter, "makeTextureImage made unnecessary texture copy.");
516 }
517 }
518 if (image->width() != texImage->width() || image->height() != texImage->height()) {
519 ERRORF(reporter, "makeTextureImage changed the image size.");
520 }
521 if (image->alphaType() != texImage->alphaType()) {
522 ERRORF(reporter, "makeTextureImage changed image alpha type.");
523 }
524 }
525 }
526 }
527
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkImage_makeNonTextureImage,reporter,contextInfo)528 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SkImage_makeNonTextureImage, reporter, contextInfo) {
529 GrContext* context = contextInfo.grContext();
530
531 std::function<sk_sp<SkImage>()> imageFactories[] = {
532 create_image,
533 create_codec_image,
534 create_data_image,
535 create_picture_image,
536 [context] { return create_gpu_image(context); },
537 };
538 SkColorSpace* legacyColorSpace = nullptr;
539 for (auto factory : imageFactories) {
540 sk_sp<SkImage> image = factory();
541 if (!image->isTextureBacked()) {
542 REPORTER_ASSERT(reporter, image->makeNonTextureImage().get() == image.get());
543 if (!(image = image->makeTextureImage(context, legacyColorSpace))) {
544 continue;
545 }
546 }
547 auto rasterImage = image->makeNonTextureImage();
548 if (!rasterImage) {
549 ERRORF(reporter, "makeNonTextureImage failed for texture-backed image.");
550 }
551 REPORTER_ASSERT(reporter, !rasterImage->isTextureBacked());
552 assert_equal(reporter, image.get(), nullptr, rasterImage.get());
553 }
554 }
555
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SkImage_drawAbandonedGpuImage,reporter,contextInfo)556 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SkImage_drawAbandonedGpuImage, reporter, contextInfo) {
557 auto context = contextInfo.grContext();
558 auto image = create_gpu_image(context);
559 auto info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType);
560 auto surface(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info));
561 as_IB(image)->peekTexture()->abandon();
562 surface->getCanvas()->drawImage(image, 0, 0);
563 }
564
565 #endif
566
567 // https://bug.skia.org/4390
DEF_TEST(ImageFromIndex8Bitmap,r)568 DEF_TEST(ImageFromIndex8Bitmap, r) {
569 SkPMColor pmColors[1] = {SkPreMultiplyColor(SK_ColorWHITE)};
570 SkBitmap bm;
571 sk_sp<SkColorTable> ctable( new SkColorTable(pmColors, SK_ARRAY_COUNT(pmColors)));
572 SkImageInfo info = SkImageInfo::Make(1, 1, kIndex_8_SkColorType, kPremul_SkAlphaType);
573 bm.allocPixels(info, nullptr, ctable.get());
574 SkAutoLockPixels autoLockPixels(bm);
575 *bm.getAddr8(0, 0) = 0;
576 sk_sp<SkImage> img(SkImage::MakeFromBitmap(bm));
577 REPORTER_ASSERT(r, img != nullptr);
578 }
579
580 class EmptyGenerator : public SkImageGenerator {
581 public:
EmptyGenerator()582 EmptyGenerator() : SkImageGenerator(SkImageInfo::MakeN32Premul(0, 0)) {}
583 };
584
DEF_TEST(ImageEmpty,reporter)585 DEF_TEST(ImageEmpty, reporter) {
586 const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType);
587 SkPixmap pmap(info, nullptr, 0);
588 REPORTER_ASSERT(reporter, nullptr == SkImage::MakeRasterCopy(pmap));
589 REPORTER_ASSERT(reporter, nullptr == SkImage::MakeRasterData(info, nullptr, 0));
590 REPORTER_ASSERT(reporter, nullptr == SkImage::MakeFromRaster(pmap, nullptr, nullptr));
591 REPORTER_ASSERT(reporter, nullptr == SkImage::MakeFromGenerator(
592 skstd::make_unique<EmptyGenerator>()));
593 }
594
DEF_TEST(ImageDataRef,reporter)595 DEF_TEST(ImageDataRef, reporter) {
596 SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
597 size_t rowBytes = info.minRowBytes();
598 size_t size = info.getSafeSize(rowBytes);
599 sk_sp<SkData> data = SkData::MakeUninitialized(size);
600 REPORTER_ASSERT(reporter, data->unique());
601 sk_sp<SkImage> image = SkImage::MakeRasterData(info, data, rowBytes);
602 REPORTER_ASSERT(reporter, !data->unique());
603 image.reset();
604 REPORTER_ASSERT(reporter, data->unique());
605 }
606
has_pixels(const SkPMColor pixels[],int count,SkPMColor expected)607 static bool has_pixels(const SkPMColor pixels[], int count, SkPMColor expected) {
608 for (int i = 0; i < count; ++i) {
609 if (pixels[i] != expected) {
610 return false;
611 }
612 }
613 return true;
614 }
615
image_test_read_pixels(skiatest::Reporter * reporter,SkImage * image)616 static void image_test_read_pixels(skiatest::Reporter* reporter, SkImage* image) {
617 if (!image) {
618 ERRORF(reporter, "Failed to create image!");
619 return;
620 }
621 const SkPMColor expected = SkPreMultiplyColor(SK_ColorWHITE);
622 const SkPMColor notExpected = ~expected;
623
624 const int w = 2, h = 2;
625 const size_t rowBytes = w * sizeof(SkPMColor);
626 SkPMColor pixels[w*h];
627
628 SkImageInfo info;
629
630 info = SkImageInfo::MakeUnknown(w, h);
631 REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, 0));
632
633 // out-of-bounds should fail
634 info = SkImageInfo::MakeN32Premul(w, h);
635 REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, -w, 0));
636 REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, -h));
637 REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, image->width(), 0));
638 REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, image->height()));
639
640 // top-left should succeed
641 sk_memset32(pixels, notExpected, w*h);
642 REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, 0, 0));
643 REPORTER_ASSERT(reporter, has_pixels(pixels, w*h, expected));
644
645 // bottom-right should succeed
646 sk_memset32(pixels, notExpected, w*h);
647 REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes,
648 image->width() - w, image->height() - h));
649 REPORTER_ASSERT(reporter, has_pixels(pixels, w*h, expected));
650
651 // partial top-left should succeed
652 sk_memset32(pixels, notExpected, w*h);
653 REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, -1, -1));
654 REPORTER_ASSERT(reporter, pixels[3] == expected);
655 REPORTER_ASSERT(reporter, has_pixels(pixels, w*h - 1, notExpected));
656
657 // partial bottom-right should succeed
658 sk_memset32(pixels, notExpected, w*h);
659 REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes,
660 image->width() - 1, image->height() - 1));
661 REPORTER_ASSERT(reporter, pixels[0] == expected);
662 REPORTER_ASSERT(reporter, has_pixels(&pixels[1], w*h - 1, notExpected));
663 }
DEF_TEST(ImageReadPixels,reporter)664 DEF_TEST(ImageReadPixels, reporter) {
665 sk_sp<SkImage> image(create_image());
666 image_test_read_pixels(reporter, image.get());
667
668 image = create_data_image();
669 image_test_read_pixels(reporter, image.get());
670
671 RasterDataHolder dataHolder;
672 image = create_rasterproc_image(&dataHolder);
673 image_test_read_pixels(reporter, image.get());
674 image.reset();
675 REPORTER_ASSERT(reporter, 1 == dataHolder.fReleaseCount);
676
677 image = create_codec_image();
678 image_test_read_pixels(reporter, image.get());
679 }
680 #if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageReadPixels_Gpu,reporter,ctxInfo)681 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageReadPixels_Gpu, reporter, ctxInfo) {
682 image_test_read_pixels(reporter, create_gpu_image(ctxInfo.grContext()).get());
683 }
684 #endif
685
check_legacy_bitmap(skiatest::Reporter * reporter,const SkImage * image,const SkBitmap & bitmap,SkImage::LegacyBitmapMode mode)686 static void check_legacy_bitmap(skiatest::Reporter* reporter, const SkImage* image,
687 const SkBitmap& bitmap, SkImage::LegacyBitmapMode mode) {
688 REPORTER_ASSERT(reporter, image->width() == bitmap.width());
689 REPORTER_ASSERT(reporter, image->height() == bitmap.height());
690 REPORTER_ASSERT(reporter, image->alphaType() == bitmap.alphaType());
691
692 if (SkImage::kRO_LegacyBitmapMode == mode) {
693 REPORTER_ASSERT(reporter, bitmap.isImmutable());
694 }
695
696 SkAutoLockPixels alp(bitmap);
697 REPORTER_ASSERT(reporter, bitmap.getPixels());
698
699 const SkImageInfo info = SkImageInfo::MakeN32(1, 1, bitmap.alphaType());
700 SkPMColor imageColor;
701 REPORTER_ASSERT(reporter, image->readPixels(info, &imageColor, sizeof(SkPMColor), 0, 0));
702 REPORTER_ASSERT(reporter, imageColor == *bitmap.getAddr32(0, 0));
703 }
704
test_legacy_bitmap(skiatest::Reporter * reporter,const SkImage * image,SkImage::LegacyBitmapMode mode)705 static void test_legacy_bitmap(skiatest::Reporter* reporter, const SkImage* image, SkImage::LegacyBitmapMode mode) {
706 if (!image) {
707 ERRORF(reporter, "Failed to create image.");
708 return;
709 }
710 SkBitmap bitmap;
711 REPORTER_ASSERT(reporter, image->asLegacyBitmap(&bitmap, mode));
712 check_legacy_bitmap(reporter, image, bitmap, mode);
713
714 // Test subsetting to exercise the rowBytes logic.
715 SkBitmap tmp;
716 REPORTER_ASSERT(reporter, bitmap.extractSubset(&tmp, SkIRect::MakeWH(image->width() / 2,
717 image->height() / 2)));
718 sk_sp<SkImage> subsetImage(SkImage::MakeFromBitmap(tmp));
719 REPORTER_ASSERT(reporter, subsetImage.get());
720
721 SkBitmap subsetBitmap;
722 REPORTER_ASSERT(reporter, subsetImage->asLegacyBitmap(&subsetBitmap, mode));
723 check_legacy_bitmap(reporter, subsetImage.get(), subsetBitmap, mode);
724 }
DEF_TEST(ImageLegacyBitmap,reporter)725 DEF_TEST(ImageLegacyBitmap, reporter) {
726 const SkImage::LegacyBitmapMode modes[] = {
727 SkImage::kRO_LegacyBitmapMode,
728 SkImage::kRW_LegacyBitmapMode,
729 };
730 for (auto& mode : modes) {
731 sk_sp<SkImage> image(create_image());
732 test_legacy_bitmap(reporter, image.get(), mode);
733
734 image = create_data_image();
735 test_legacy_bitmap(reporter, image.get(), mode);
736
737 RasterDataHolder dataHolder;
738 image = create_rasterproc_image(&dataHolder);
739 test_legacy_bitmap(reporter, image.get(), mode);
740 image.reset();
741 REPORTER_ASSERT(reporter, 1 == dataHolder.fReleaseCount);
742
743 image = create_codec_image();
744 test_legacy_bitmap(reporter, image.get(), mode);
745 }
746 }
747 #if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageLegacyBitmap_Gpu,reporter,ctxInfo)748 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageLegacyBitmap_Gpu, reporter, ctxInfo) {
749 const SkImage::LegacyBitmapMode modes[] = {
750 SkImage::kRO_LegacyBitmapMode,
751 SkImage::kRW_LegacyBitmapMode,
752 };
753 for (auto& mode : modes) {
754 sk_sp<SkImage> image(create_gpu_image(ctxInfo.grContext()));
755 test_legacy_bitmap(reporter, image.get(), mode);
756 }
757 }
758 #endif
759
test_peek(skiatest::Reporter * reporter,SkImage * image,bool expectPeekSuccess)760 static void test_peek(skiatest::Reporter* reporter, SkImage* image, bool expectPeekSuccess) {
761 if (!image) {
762 ERRORF(reporter, "Failed to create image!");
763 return;
764 }
765 SkPixmap pm;
766 bool success = image->peekPixels(&pm);
767 REPORTER_ASSERT(reporter, expectPeekSuccess == success);
768 if (success) {
769 const SkImageInfo& info = pm.info();
770 REPORTER_ASSERT(reporter, 20 == info.width());
771 REPORTER_ASSERT(reporter, 20 == info.height());
772 REPORTER_ASSERT(reporter, kN32_SkColorType == info.colorType());
773 REPORTER_ASSERT(reporter, kPremul_SkAlphaType == info.alphaType() ||
774 kOpaque_SkAlphaType == info.alphaType());
775 REPORTER_ASSERT(reporter, info.minRowBytes() <= pm.rowBytes());
776 REPORTER_ASSERT(reporter, SkPreMultiplyColor(SK_ColorWHITE) == *pm.addr32(0, 0));
777 }
778 }
DEF_TEST(ImagePeek,reporter)779 DEF_TEST(ImagePeek, reporter) {
780 sk_sp<SkImage> image(create_image());
781 test_peek(reporter, image.get(), true);
782
783 image = create_data_image();
784 test_peek(reporter, image.get(), true);
785
786 RasterDataHolder dataHolder;
787 image = create_rasterproc_image(&dataHolder);
788 test_peek(reporter, image.get(), true);
789 image.reset();
790 REPORTER_ASSERT(reporter, 1 == dataHolder.fReleaseCount);
791
792 image = create_codec_image();
793 test_peek(reporter, image.get(), false);
794 }
795 #if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImagePeek_Gpu,reporter,ctxInfo)796 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImagePeek_Gpu, reporter, ctxInfo) {
797 sk_sp<SkImage> image(create_gpu_image(ctxInfo.grContext()));
798 test_peek(reporter, image.get(), false);
799 }
800 #endif
801
802 #if SK_SUPPORT_GPU
803 struct TextureReleaseChecker {
TextureReleaseCheckerTextureReleaseChecker804 TextureReleaseChecker() : fReleaseCount(0) {}
805 int fReleaseCount;
ReleaseTextureReleaseChecker806 static void Release(void* self) {
807 static_cast<TextureReleaseChecker*>(self)->fReleaseCount++;
808 }
809 };
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SkImage_NewFromTextureRelease,reporter,ctxInfo)810 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SkImage_NewFromTextureRelease, reporter, ctxInfo) {
811 const int kWidth = 10;
812 const int kHeight = 10;
813 std::unique_ptr<uint32_t[]> pixels(new uint32_t[kWidth * kHeight]);
814 GrBackendTextureDesc backendDesc;
815 backendDesc.fFlags = kRenderTarget_GrBackendTextureFlag;
816 backendDesc.fOrigin = kBottomLeft_GrSurfaceOrigin;
817 backendDesc.fConfig = kRGBA_8888_GrPixelConfig;
818 backendDesc.fWidth = kWidth;
819 backendDesc.fHeight = kHeight;
820 backendDesc.fSampleCnt = 0;
821 backendDesc.fTextureHandle = ctxInfo.grContext()->getGpu()->createTestingOnlyBackendTexture(
822 pixels.get(), kWidth, kHeight, kRGBA_8888_GrPixelConfig, true);
823
824 TextureReleaseChecker releaseChecker;
825 sk_sp<SkImage> refImg(
826 SkImage::MakeFromTexture(ctxInfo.grContext(), backendDesc, kPremul_SkAlphaType,
827 TextureReleaseChecker::Release, &releaseChecker));
828
829 GrSurfaceOrigin readBackOrigin;
830 GrBackendObject readBackHandle = refImg->getTextureHandle(false, &readBackOrigin);
831 // TODO: Make it so we can check this (see skbug.com/5019)
832 #if 0
833 if (*readBackHandle != *(backendDesc.fTextureHandle)) {
834 ERRORF(reporter, "backend mismatch %d %d\n",
835 (int)readBackHandle, (int)backendDesc.fTextureHandle);
836 }
837 REPORTER_ASSERT(reporter, readBackHandle == backendDesc.fTextureHandle);
838 #else
839 REPORTER_ASSERT(reporter, SkToBool(readBackHandle));
840 #endif
841 if (readBackOrigin != backendDesc.fOrigin) {
842 ERRORF(reporter, "origin mismatch %d %d\n", readBackOrigin, backendDesc.fOrigin);
843 }
844 REPORTER_ASSERT(reporter, readBackOrigin == backendDesc.fOrigin);
845
846 // Now exercise the release proc
847 REPORTER_ASSERT(reporter, 0 == releaseChecker.fReleaseCount);
848 refImg.reset(nullptr); // force a release of the image
849 REPORTER_ASSERT(reporter, 1 == releaseChecker.fReleaseCount);
850
851 ctxInfo.grContext()->getGpu()->deleteTestingOnlyBackendTexture(backendDesc.fTextureHandle);
852 }
853
check_images_same(skiatest::Reporter * reporter,const SkImage * a,const SkImage * b)854 static void check_images_same(skiatest::Reporter* reporter, const SkImage* a, const SkImage* b) {
855 if (a->width() != b->width() || a->height() != b->height()) {
856 ERRORF(reporter, "Images must have the same size");
857 return;
858 }
859 if (a->alphaType() != b->alphaType()) {
860 ERRORF(reporter, "Images must have the same alpha type");
861 return;
862 }
863
864 SkImageInfo info = SkImageInfo::MakeN32Premul(a->width(), a->height());
865 SkAutoPixmapStorage apm;
866 SkAutoPixmapStorage bpm;
867
868 apm.alloc(info);
869 bpm.alloc(info);
870
871 if (!a->readPixels(apm, 0, 0)) {
872 ERRORF(reporter, "Could not read image a's pixels");
873 return;
874 }
875 if (!b->readPixels(bpm, 0, 0)) {
876 ERRORF(reporter, "Could not read image b's pixels");
877 return;
878 }
879
880 for (auto y = 0; y < info.height(); ++y) {
881 for (auto x = 0; x < info.width(); ++x) {
882 uint32_t pixelA = *apm.addr32(x, y);
883 uint32_t pixelB = *bpm.addr32(x, y);
884 if (pixelA != pixelB) {
885 ERRORF(reporter, "Expected image pixels to be the same. At %d,%d 0x%08x != 0x%08x",
886 x, y, pixelA, pixelB);
887 return;
888 }
889 }
890 }
891 }
892
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(DeferredTextureImage,reporter,ctxInfo)893 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(DeferredTextureImage, reporter, ctxInfo) {
894 GrContext* context = ctxInfo.grContext();
895 sk_gpu_test::TestContext* testContext = ctxInfo.testContext();
896 sk_sp<GrContextThreadSafeProxy> proxy = context->threadSafeProxy();
897
898 GrContextFactory otherFactory;
899 ContextInfo otherContextInfo =
900 otherFactory.getContextInfo(pick_second_context_type(ctxInfo));
901
902 testContext->makeCurrent();
903 REPORTER_ASSERT(reporter, proxy);
904 auto createLarge = [context] {
905 return create_image_large(context->caps()->maxTextureSize());
906 };
907 struct {
908 std::function<sk_sp<SkImage> ()> fImageFactory;
909 std::vector<SkImage::DeferredTextureImageUsageParams> fParams;
910 SkFilterQuality fExpectedQuality;
911 int fExpectedScaleFactor;
912 bool fExpectation;
913 } testCases[] = {
914 { create_image, {{SkMatrix::I(), kNone_SkFilterQuality, 0}},
915 kNone_SkFilterQuality, 1, true },
916 { create_codec_image, {{SkMatrix::I(), kNone_SkFilterQuality, 0}},
917 kNone_SkFilterQuality, 1, true },
918 { create_data_image, {{SkMatrix::I(), kNone_SkFilterQuality, 0}},
919 kNone_SkFilterQuality, 1, true },
920 { create_picture_image, {{SkMatrix::I(), kNone_SkFilterQuality, 0}},
921 kNone_SkFilterQuality, 1, false },
922 { [context] { return create_gpu_image(context); },
923 {{SkMatrix::I(), kNone_SkFilterQuality, 0}},
924 kNone_SkFilterQuality, 1, false },
925 // Create a texture image in a another GrContext.
926 { [testContext, otherContextInfo] {
927 otherContextInfo.testContext()->makeCurrent();
928 sk_sp<SkImage> otherContextImage = create_gpu_image(otherContextInfo.grContext());
929 testContext->makeCurrent();
930 return otherContextImage;
931 }, {{SkMatrix::I(), kNone_SkFilterQuality, 0}},
932 kNone_SkFilterQuality, 1, false },
933 // Create an image that is too large to upload.
934 { createLarge, {{SkMatrix::I(), kNone_SkFilterQuality, 0}},
935 kNone_SkFilterQuality, 1, false },
936 // Create an image that is too large, but is scaled to an acceptable size.
937 { createLarge, {{SkMatrix::I(), kMedium_SkFilterQuality, 4}},
938 kMedium_SkFilterQuality, 16, true},
939 // Create an image with multiple low filter qualities, make sure we round up.
940 { createLarge, {{SkMatrix::I(), kNone_SkFilterQuality, 4},
941 {SkMatrix::I(), kMedium_SkFilterQuality, 4}},
942 kMedium_SkFilterQuality, 16, true},
943 // Create an image with multiple prescale levels, make sure we chose the minimum scale.
944 { createLarge, {{SkMatrix::I(), kMedium_SkFilterQuality, 5},
945 {SkMatrix::I(), kMedium_SkFilterQuality, 4}},
946 kMedium_SkFilterQuality, 16, true},
947 };
948
949
950 for (auto testCase : testCases) {
951 sk_sp<SkImage> image(testCase.fImageFactory());
952 if (!image) {
953 ERRORF(reporter, "Failed to create image!");
954 continue;
955 }
956
957 size_t size = image->getDeferredTextureImageData(*proxy, testCase.fParams.data(),
958 static_cast<int>(testCase.fParams.size()),
959 nullptr, nullptr);
960 static const char *const kFS[] = { "fail", "succeed" };
961 if (SkToBool(size) != testCase.fExpectation) {
962 ERRORF(reporter, "This image was expected to %s but did not.",
963 kFS[testCase.fExpectation]);
964 }
965 if (size) {
966 void* buffer = sk_malloc_throw(size);
967 void* misaligned = reinterpret_cast<void*>(reinterpret_cast<intptr_t>(buffer) + 3);
968 if (image->getDeferredTextureImageData(*proxy, testCase.fParams.data(),
969 static_cast<int>(testCase.fParams.size()),
970 misaligned, nullptr)) {
971 ERRORF(reporter, "Should fail when buffer is misaligned.");
972 }
973 if (!image->getDeferredTextureImageData(*proxy, testCase.fParams.data(),
974 static_cast<int>(testCase.fParams.size()),
975 buffer, nullptr)) {
976 ERRORF(reporter, "deferred image size succeeded but creation failed.");
977 } else {
978 for (auto budgeted : { SkBudgeted::kNo, SkBudgeted::kYes }) {
979 sk_sp<SkImage> newImage(
980 SkImage::MakeFromDeferredTextureImageData(context, buffer, budgeted));
981 REPORTER_ASSERT(reporter, newImage != nullptr);
982 if (newImage) {
983 // Scale the image in software for comparison.
984 SkImageInfo scaled_info = SkImageInfo::MakeN32(
985 image->width() / testCase.fExpectedScaleFactor,
986 image->height() / testCase.fExpectedScaleFactor,
987 image->alphaType());
988 SkAutoPixmapStorage scaled;
989 scaled.alloc(scaled_info);
990 image->scalePixels(scaled, testCase.fExpectedQuality);
991 sk_sp<SkImage> scaledImage = SkImage::MakeRasterCopy(scaled);
992 check_images_same(reporter, scaledImage.get(), newImage.get());
993 }
994 // The other context should not be able to create images from texture data
995 // created by the original context.
996 sk_sp<SkImage> newImage2(SkImage::MakeFromDeferredTextureImageData(
997 otherContextInfo.grContext(), buffer, budgeted));
998 REPORTER_ASSERT(reporter, !newImage2);
999 testContext->makeCurrent();
1000 }
1001 }
1002 sk_free(buffer);
1003 }
1004 }
1005 }
1006 #endif
1007
1008 ///////////////////////////////////////////////////////////////////////////////////////////////////
1009
create_picture_image(sk_sp<SkColorSpace> space)1010 static sk_sp<SkImage> create_picture_image(sk_sp<SkColorSpace> space) {
1011 SkPictureRecorder recorder;
1012 SkCanvas* canvas = recorder.beginRecording(10, 10);
1013 canvas->clear(SK_ColorCYAN);
1014 return SkImage::MakeFromPicture(recorder.finishRecordingAsPicture(), SkISize::Make(10, 10),
1015 nullptr, nullptr, SkImage::BitDepth::kU8, std::move(space));
1016 };
1017
almost_equal(int a,int b)1018 static inline bool almost_equal(int a, int b) {
1019 return SkTAbs(a - b) <= 1;
1020 }
1021
DEF_TEST(Image_ColorSpace,r)1022 DEF_TEST(Image_ColorSpace, r) {
1023 sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB();
1024 sk_sp<SkImage> image = GetResourceAsImage("mandrill_512_q075.jpg");
1025 REPORTER_ASSERT(r, srgb.get() == image->colorSpace());
1026
1027 image = GetResourceAsImage("webp-color-profile-lossy.webp");
1028 SkColorSpaceTransferFn fn;
1029 bool success = image->colorSpace()->isNumericalTransferFn(&fn);
1030 REPORTER_ASSERT(r, success);
1031 REPORTER_ASSERT(r, color_space_almost_equal(1.8f, fn.fG));
1032
1033 sk_sp<SkColorSpace> rec2020 = SkColorSpace::MakeRGB(SkColorSpace::kSRGB_RenderTargetGamma,
1034 SkColorSpace::kRec2020_Gamut);
1035 image = create_picture_image(rec2020);
1036 REPORTER_ASSERT(r, SkColorSpace::Equals(rec2020.get(), image->colorSpace()));
1037
1038 SkBitmap bitmap;
1039 SkImageInfo info = SkImageInfo::MakeN32(10, 10, kPremul_SkAlphaType, rec2020);
1040 bitmap.allocPixels(info);
1041 image = SkImage::MakeFromBitmap(bitmap);
1042 REPORTER_ASSERT(r, SkColorSpace::Equals(rec2020.get(), image->colorSpace()));
1043
1044 sk_sp<SkSurface> surface = SkSurface::MakeRaster(
1045 SkImageInfo::MakeN32Premul(SkISize::Make(10, 10)));
1046 image = surface->makeImageSnapshot();
1047 REPORTER_ASSERT(r, nullptr == image->colorSpace());
1048
1049 surface = SkSurface::MakeRaster(info);
1050 image = surface->makeImageSnapshot();
1051 REPORTER_ASSERT(r, SkColorSpace::Equals(rec2020.get(), image->colorSpace()));
1052 }
1053
DEF_TEST(Image_makeColorSpace,r)1054 DEF_TEST(Image_makeColorSpace, r) {
1055 sk_sp<SkColorSpace> p3 = SkColorSpace::MakeRGB(SkColorSpace::kSRGB_RenderTargetGamma,
1056 SkColorSpace::kDCIP3_D65_Gamut);
1057 SkColorSpaceTransferFn fn;
1058 fn.fA = 1.f; fn.fB = 0.f; fn.fC = 0.f; fn.fD = 0.f; fn.fE = 0.f; fn.fF = 0.f; fn.fG = 1.8f;
1059 sk_sp<SkColorSpace> adobeGamut = SkColorSpace::MakeRGB(fn, SkColorSpace::kAdobeRGB_Gamut);
1060
1061 SkBitmap srgbBitmap;
1062 srgbBitmap.allocPixels(SkImageInfo::MakeS32(1, 1, kOpaque_SkAlphaType));
1063 *srgbBitmap.getAddr32(0, 0) = SkSwizzle_RGBA_to_PMColor(0xFF604020);
1064 srgbBitmap.setImmutable();
1065 sk_sp<SkImage> srgbImage = SkImage::MakeFromBitmap(srgbBitmap);
1066 sk_sp<SkImage> p3Image = as_IB(srgbImage)->makeColorSpace(p3);
1067 SkBitmap p3Bitmap;
1068 bool success = p3Image->asLegacyBitmap(&p3Bitmap, SkImage::kRO_LegacyBitmapMode);
1069 REPORTER_ASSERT(r, success);
1070 p3Bitmap.lockPixels();
1071 REPORTER_ASSERT(r, almost_equal(0x28, SkGetPackedR32(*p3Bitmap.getAddr32(0, 0))));
1072 REPORTER_ASSERT(r, almost_equal(0x40, SkGetPackedG32(*p3Bitmap.getAddr32(0, 0))));
1073 REPORTER_ASSERT(r, almost_equal(0x5E, SkGetPackedB32(*p3Bitmap.getAddr32(0, 0))));
1074
1075 sk_sp<SkImage> adobeImage = as_IB(srgbImage)->makeColorSpace(adobeGamut);
1076 SkBitmap adobeBitmap;
1077 success = adobeImage->asLegacyBitmap(&adobeBitmap, SkImage::kRO_LegacyBitmapMode);
1078 REPORTER_ASSERT(r, success);
1079 adobeBitmap.lockPixels();
1080 REPORTER_ASSERT(r, almost_equal(0x21, SkGetPackedR32(*adobeBitmap.getAddr32(0, 0))));
1081 REPORTER_ASSERT(r, almost_equal(0x31, SkGetPackedG32(*adobeBitmap.getAddr32(0, 0))));
1082 REPORTER_ASSERT(r, almost_equal(0x4C, SkGetPackedB32(*adobeBitmap.getAddr32(0, 0))));
1083
1084 srgbImage = GetResourceAsImage("1x1.png");
1085 p3Image = as_IB(srgbImage)->makeColorSpace(p3);
1086 success = p3Image->asLegacyBitmap(&p3Bitmap, SkImage::kRO_LegacyBitmapMode);
1087 REPORTER_ASSERT(r, success);
1088 p3Bitmap.lockPixels();
1089 REPORTER_ASSERT(r, almost_equal(0x8B, SkGetPackedR32(*p3Bitmap.getAddr32(0, 0))));
1090 REPORTER_ASSERT(r, almost_equal(0x82, SkGetPackedG32(*p3Bitmap.getAddr32(0, 0))));
1091 REPORTER_ASSERT(r, almost_equal(0x77, SkGetPackedB32(*p3Bitmap.getAddr32(0, 0))));
1092 }
1093
1094 ///////////////////////////////////////////////////////////////////////////////////////////////////
1095
make_all_premul(SkBitmap * bm)1096 static void make_all_premul(SkBitmap* bm) {
1097 bm->allocPixels(SkImageInfo::MakeN32(256, 256, kPremul_SkAlphaType));
1098 for (int a = 0; a < 256; ++a) {
1099 for (int r = 0; r < 256; ++r) {
1100 // make all valid premul combinations
1101 int c = SkTMin(a, r);
1102 *bm->getAddr32(a, r) = SkPackARGB32(a, c, c, c);
1103 }
1104 }
1105 }
1106
equal(const SkBitmap & a,const SkBitmap & b)1107 static bool equal(const SkBitmap& a, const SkBitmap& b) {
1108 SkASSERT(a.width() == b.width());
1109 SkASSERT(a.height() == b.height());
1110 for (int y = 0; y < a.height(); ++y) {
1111 for (int x = 0; x < a.width(); ++x) {
1112 SkPMColor pa = *a.getAddr32(x, y);
1113 SkPMColor pb = *b.getAddr32(x, y);
1114 if (pa != pb) {
1115 return false;
1116 }
1117 }
1118 }
1119 return true;
1120 }
1121
DEF_TEST(image_roundtrip_encode,reporter)1122 DEF_TEST(image_roundtrip_encode, reporter) {
1123 SkBitmap bm0;
1124 make_all_premul(&bm0);
1125
1126 auto img0 = SkImage::MakeFromBitmap(bm0);
1127 sk_sp<SkData> data(img0->encode(SkEncodedImageFormat::kPNG, 100));
1128 auto img1 = SkImage::MakeFromEncoded(data);
1129
1130 SkBitmap bm1;
1131 bm1.allocPixels(SkImageInfo::MakeN32(256, 256, kPremul_SkAlphaType));
1132 img1->readPixels(bm1.info(), bm1.getPixels(), bm1.rowBytes(), 0, 0);
1133
1134 REPORTER_ASSERT(reporter, equal(bm0, bm1));
1135 }
1136
DEF_TEST(image_roundtrip_premul,reporter)1137 DEF_TEST(image_roundtrip_premul, reporter) {
1138 SkBitmap bm0;
1139 make_all_premul(&bm0);
1140
1141 SkBitmap bm1;
1142 bm1.allocPixels(SkImageInfo::MakeN32(256, 256, kUnpremul_SkAlphaType));
1143 bm0.readPixels(bm1.info(), bm1.getPixels(), bm1.rowBytes(), 0, 0);
1144
1145 SkBitmap bm2;
1146 bm2.allocPixels(SkImageInfo::MakeN32(256, 256, kPremul_SkAlphaType));
1147 bm1.readPixels(bm2.info(), bm2.getPixels(), bm2.rowBytes(), 0, 0);
1148
1149 REPORTER_ASSERT(reporter, equal(bm0, bm2));
1150 }
1151