| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "Test.h" |
| |
| #include "SkBitmap.h" |
| #include "SkImage.h" |
| #include "SkImageFilter.h" |
| #include "SkImageFilterCacheKey.h" |
| #include "SkMatrix.h" |
| #include "SkSpecialImage.h" |
| |
| static const int kSmallerSize = 10; |
| static const int kPad = 3; |
| static const int kFullSize = kSmallerSize + 2 * kPad; |
| |
| static SkBitmap create_bm() { |
| SkBitmap bm; |
| bm.allocN32Pixels(kFullSize, kFullSize, true); |
| bm.eraseColor(SK_ColorTRANSPARENT); |
| return bm; |
| } |
| |
| // Ensure the cache can return a cached image |
| static void test_find_existing(skiatest::Reporter* reporter, |
| SkSpecialImage* image, |
| SkSpecialImage* subset) { |
| static const size_t kCacheSize = 1000000; |
| SkAutoTUnref<SkImageFilter::Cache> cache(SkImageFilter::Cache::Create(kCacheSize)); |
| |
| SkIRect clip = SkIRect::MakeWH(100, 100); |
| SkImageFilter::Cache::Key key1(0, SkMatrix::I(), clip, image->uniqueID(), image->subset()); |
| SkImageFilter::Cache::Key key2(0, SkMatrix::I(), clip, subset->uniqueID(), subset->subset()); |
| |
| SkIPoint offset = SkIPoint::Make(3, 4); |
| cache->set(key1, image, offset); |
| |
| SkIPoint foundOffset; |
| |
| SkSpecialImage* foundImage = cache->get(key1, &foundOffset); |
| REPORTER_ASSERT(reporter, foundImage); |
| REPORTER_ASSERT(reporter, offset == foundOffset); |
| |
| REPORTER_ASSERT(reporter, !cache->get(key2, &foundOffset)); |
| } |
| |
| // If either id is different or the clip or the matrix are different the |
| // cached image won't be found. Even if it is caching the same bitmap. |
| static void test_dont_find_if_diff_key(skiatest::Reporter* reporter, |
| SkSpecialImage* image, |
| SkSpecialImage* subset) { |
| static const size_t kCacheSize = 1000000; |
| SkAutoTUnref<SkImageFilter::Cache> cache(SkImageFilter::Cache::Create(kCacheSize)); |
| |
| SkIRect clip1 = SkIRect::MakeWH(100, 100); |
| SkIRect clip2 = SkIRect::MakeWH(200, 200); |
| SkImageFilter::Cache::Key key0(0, SkMatrix::I(), clip1, image->uniqueID(), image->subset()); |
| SkImageFilter::Cache::Key key1(1, SkMatrix::I(), clip1, image->uniqueID(), image->subset()); |
| SkImageFilter::Cache::Key key2(0, SkMatrix::MakeTrans(5, 5), clip1, |
| image->uniqueID(), image->subset()); |
| SkImageFilter::Cache::Key key3(0, SkMatrix::I(), clip2, image->uniqueID(), image->subset()); |
| SkImageFilter::Cache::Key key4(0, SkMatrix::I(), clip1, subset->uniqueID(), subset->subset()); |
| |
| SkIPoint offset = SkIPoint::Make(3, 4); |
| cache->set(key0, image, offset); |
| |
| SkIPoint foundOffset; |
| REPORTER_ASSERT(reporter, !cache->get(key1, &foundOffset)); |
| REPORTER_ASSERT(reporter, !cache->get(key2, &foundOffset)); |
| REPORTER_ASSERT(reporter, !cache->get(key3, &foundOffset)); |
| REPORTER_ASSERT(reporter, !cache->get(key4, &foundOffset)); |
| } |
| |
| // Test purging when the max cache size is exceeded |
| static void test_internal_purge(skiatest::Reporter* reporter, SkSpecialImage* image) { |
| SkASSERT(image->getSize()); |
| const size_t kCacheSize = image->getSize() + 10; |
| SkAutoTUnref<SkImageFilter::Cache> cache(SkImageFilter::Cache::Create(kCacheSize)); |
| |
| SkIRect clip = SkIRect::MakeWH(100, 100); |
| SkImageFilter::Cache::Key key1(0, SkMatrix::I(), clip, image->uniqueID(), image->subset()); |
| SkImageFilter::Cache::Key key2(1, SkMatrix::I(), clip, image->uniqueID(), image->subset()); |
| |
| SkIPoint offset = SkIPoint::Make(3, 4); |
| cache->set(key1, image, offset); |
| |
| SkIPoint foundOffset; |
| |
| REPORTER_ASSERT(reporter, cache->get(key1, &foundOffset)); |
| |
| // This should knock the first one out of the cache |
| cache->set(key2, image, offset); |
| |
| REPORTER_ASSERT(reporter, cache->get(key2, &foundOffset)); |
| REPORTER_ASSERT(reporter, !cache->get(key1, &foundOffset)); |
| } |
| |
| // Exercise the purgeByKeys and purge methods |
| static void test_explicit_purging(skiatest::Reporter* reporter, |
| SkSpecialImage* image, |
| SkSpecialImage* subset) { |
| static const size_t kCacheSize = 1000000; |
| SkAutoTUnref<SkImageFilter::Cache> cache(SkImageFilter::Cache::Create(kCacheSize)); |
| |
| SkIRect clip = SkIRect::MakeWH(100, 100); |
| SkImageFilter::Cache::Key key1(0, SkMatrix::I(), clip, image->uniqueID(), image->subset()); |
| SkImageFilter::Cache::Key key2(1, SkMatrix::I(), clip, subset->uniqueID(), image->subset()); |
| |
| SkIPoint offset = SkIPoint::Make(3, 4); |
| cache->set(key1, image, offset); |
| cache->set(key2, image, offset); |
| |
| SkIPoint foundOffset; |
| |
| REPORTER_ASSERT(reporter, cache->get(key1, &foundOffset)); |
| REPORTER_ASSERT(reporter, cache->get(key2, &foundOffset)); |
| |
| cache->purgeByKeys(&key1, 1); |
| |
| REPORTER_ASSERT(reporter, !cache->get(key1, &foundOffset)); |
| REPORTER_ASSERT(reporter, cache->get(key2, &foundOffset)); |
| |
| cache->purge(); |
| |
| REPORTER_ASSERT(reporter, !cache->get(key1, &foundOffset)); |
| REPORTER_ASSERT(reporter, !cache->get(key2, &foundOffset)); |
| } |
| |
| DEF_TEST(ImageFilterCache_RasterBacked, reporter) { |
| SkBitmap srcBM = create_bm(); |
| |
| const SkIRect& full = SkIRect::MakeWH(kFullSize, kFullSize); |
| |
| SkAutoTUnref<SkSpecialImage> fullImg(SkSpecialImage::NewFromRaster(nullptr, full, srcBM)); |
| |
| const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); |
| |
| SkAutoTUnref<SkSpecialImage> subsetImg(SkSpecialImage::NewFromRaster(nullptr, subset, srcBM)); |
| |
| test_find_existing(reporter, fullImg, subsetImg); |
| test_dont_find_if_diff_key(reporter, fullImg, subsetImg); |
| test_internal_purge(reporter, fullImg); |
| test_explicit_purging(reporter, fullImg, subsetImg); |
| } |
| |
| |
| // Shared test code for both the raster and gpu-backed image cases |
| static void test_image_backed(skiatest::Reporter* reporter, SkImage* srcImage) { |
| const SkIRect& full = SkIRect::MakeWH(kFullSize, kFullSize); |
| |
| SkAutoTUnref<SkSpecialImage> fullImg(SkSpecialImage::NewFromImage(full, srcImage)); |
| |
| const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); |
| |
| SkAutoTUnref<SkSpecialImage> subsetImg(SkSpecialImage::NewFromImage(subset, srcImage)); |
| |
| test_find_existing(reporter, fullImg, subsetImg); |
| test_dont_find_if_diff_key(reporter, fullImg, subsetImg); |
| test_internal_purge(reporter, fullImg); |
| test_explicit_purging(reporter, fullImg, subsetImg); |
| } |
| |
| DEF_TEST(ImageFilterCache_ImageBackedRaster, reporter) { |
| SkBitmap srcBM = create_bm(); |
| |
| SkAutoTUnref<SkImage> srcImage(SkImage::NewFromBitmap(srcBM)); |
| |
| test_image_backed(reporter, srcImage); |
| } |
| |
| #if SK_SUPPORT_GPU |
| #include "GrContext.h" |
| |
| static GrTexture* create_texture(GrContext* context) { |
| SkBitmap srcBM = create_bm(); |
| |
| GrSurfaceDesc desc; |
| desc.fConfig = kSkia8888_GrPixelConfig; |
| desc.fFlags = kNone_GrSurfaceFlags; |
| desc.fWidth = kFullSize; |
| desc.fHeight = kFullSize; |
| |
| return context->textureProvider()->createTexture(desc, SkBudgeted::kNo, srcBM.getPixels(), 0); |
| } |
| |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterCache_ImageBackedGPU, reporter, context) { |
| SkAutoTUnref<GrTexture> srcTexture(create_texture(context)); |
| if (!srcTexture) { |
| return; |
| } |
| |
| GrBackendTextureDesc backendDesc; |
| backendDesc.fConfig = kSkia8888_GrPixelConfig; |
| backendDesc.fFlags = kNone_GrBackendTextureFlag; |
| backendDesc.fWidth = kFullSize; |
| backendDesc.fHeight = kFullSize; |
| backendDesc.fSampleCnt = 0; |
| backendDesc.fTextureHandle = srcTexture->getTextureHandle(); |
| SkAutoTUnref<SkImage> srcImage(SkImage::NewFromTexture(context, backendDesc, |
| kPremul_SkAlphaType)); |
| if (!srcImage) { |
| return; |
| } |
| |
| test_image_backed(reporter, srcImage); |
| } |
| |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterCache_GPUBacked, reporter, context) { |
| |
| SkAutoTUnref<GrTexture> srcTexture(create_texture(context)); |
| if (!srcTexture) { |
| return; |
| } |
| |
| const SkIRect& full = SkIRect::MakeWH(kFullSize, kFullSize); |
| |
| SkAutoTUnref<SkSpecialImage> fullImg(SkSpecialImage::NewFromGpu( |
| nullptr, full, |
| kNeedNewImageUniqueID_SpecialImage, |
| srcTexture)); |
| |
| const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); |
| |
| SkAutoTUnref<SkSpecialImage> subsetImg(SkSpecialImage::NewFromGpu( |
| nullptr, subset, |
| kNeedNewImageUniqueID_SpecialImage, |
| srcTexture)); |
| |
| test_find_existing(reporter, fullImg, subsetImg); |
| test_dont_find_if_diff_key(reporter, fullImg, subsetImg); |
| test_internal_purge(reporter, fullImg); |
| test_explicit_purging(reporter, fullImg, subsetImg); |
| } |
| #endif |
| |