halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 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 | #include "Test.h" |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 8 | #include "SkCanvas.h" |
halcanary | 1d1795b | 2014-07-18 09:18:40 -0700 | [diff] [blame] | 9 | #include "SkGraphics.h" |
reed | 0461713 | 2014-08-21 09:46:49 -0700 | [diff] [blame] | 10 | #include "SkBitmapCache.h" |
danakj | 790ffe3 | 2014-09-11 10:49:52 -0700 | [diff] [blame^] | 11 | #include "SkDiscardableMemoryPool.h" |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 12 | |
| 13 | static const int kCanvasSize = 1; |
| 14 | static const int kBitmapSize = 16; |
| 15 | static const int kScale = 8; |
| 16 | |
halcanary | 1d1795b | 2014-07-18 09:18:40 -0700 | [diff] [blame] | 17 | static bool is_in_scaled_image_cache(const SkBitmap& orig, |
| 18 | SkScalar xScale, |
| 19 | SkScalar yScale) { |
| 20 | SkBitmap scaled; |
humper | d73c169 | 2014-08-28 14:27:42 -0700 | [diff] [blame] | 21 | float roundedImageWidth = SkScalarRoundToScalar(orig.width() * xScale); |
| 22 | float roundedImageHeight = SkScalarRoundToScalar(orig.height() * xScale); |
| 23 | return SkBitmapCache::Find(orig, roundedImageWidth, roundedImageHeight, &scaled); |
halcanary | 1d1795b | 2014-07-18 09:18:40 -0700 | [diff] [blame] | 24 | } |
| 25 | |
| 26 | // Draw a scaled bitmap, then return true iff it has been cached. |
| 27 | static bool test_scaled_image_cache_useage() { |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 28 | SkAutoTUnref<SkCanvas> canvas( |
| 29 | SkCanvas::NewRasterN32(kCanvasSize, kCanvasSize)); |
| 30 | SkBitmap bitmap; |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 31 | bitmap.allocN32Pixels(kBitmapSize, kBitmapSize); |
halcanary | 0db38cc | 2014-07-17 10:17:28 -0700 | [diff] [blame] | 32 | bitmap.eraseColor(0xFFFFFFFF); |
halcanary | 1d1795b | 2014-07-18 09:18:40 -0700 | [diff] [blame] | 33 | SkScalar scale = SkIntToScalar(kScale); |
| 34 | SkScalar scaledSize = SkIntToScalar(kBitmapSize) * scale; |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 35 | canvas->clipRect(SkRect::MakeLTRB(0, 0, scaledSize, scaledSize)); |
| 36 | SkPaint paint; |
| 37 | paint.setFilterLevel(SkPaint::kHigh_FilterLevel); |
halcanary | 1d1795b | 2014-07-18 09:18:40 -0700 | [diff] [blame] | 38 | |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 39 | canvas->drawBitmapRect(bitmap, |
| 40 | SkRect::MakeLTRB(0, 0, scaledSize, scaledSize), |
| 41 | &paint); |
halcanary | 1d1795b | 2014-07-18 09:18:40 -0700 | [diff] [blame] | 42 | |
| 43 | return is_in_scaled_image_cache(bitmap, scale, scale); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | // http://crbug.com/389439 |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 47 | DEF_TEST(ResourceCache_SingleAllocationByteLimit, reporter) { |
| 48 | size_t originalByteLimit = SkGraphics::GetResourceCacheTotalByteLimit(); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 49 | size_t originalAllocationLimit = |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 50 | SkGraphics::GetResourceCacheSingleAllocationByteLimit(); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 51 | |
| 52 | size_t size = kBitmapSize * kScale * kBitmapSize * kScale |
| 53 | * SkColorTypeBytesPerPixel(kN32_SkColorType); |
| 54 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 55 | SkGraphics::SetResourceCacheTotalByteLimit(0); // clear cache |
| 56 | SkGraphics::SetResourceCacheTotalByteLimit(2 * size); |
| 57 | SkGraphics::SetResourceCacheSingleAllocationByteLimit(0); // No limit |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 58 | |
halcanary | 1d1795b | 2014-07-18 09:18:40 -0700 | [diff] [blame] | 59 | REPORTER_ASSERT(reporter, test_scaled_image_cache_useage()); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 60 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 61 | SkGraphics::SetResourceCacheTotalByteLimit(0); // clear cache |
| 62 | SkGraphics::SetResourceCacheTotalByteLimit(2 * size); |
| 63 | SkGraphics::SetResourceCacheSingleAllocationByteLimit(size * 2); // big enough |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 64 | |
halcanary | 1d1795b | 2014-07-18 09:18:40 -0700 | [diff] [blame] | 65 | REPORTER_ASSERT(reporter, test_scaled_image_cache_useage()); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 66 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 67 | SkGraphics::SetResourceCacheTotalByteLimit(0); // clear cache |
| 68 | SkGraphics::SetResourceCacheTotalByteLimit(2 * size); |
| 69 | SkGraphics::SetResourceCacheSingleAllocationByteLimit(size / 2); // too small |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 70 | |
halcanary | 1d1795b | 2014-07-18 09:18:40 -0700 | [diff] [blame] | 71 | REPORTER_ASSERT(reporter, !test_scaled_image_cache_useage()); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 72 | |
reed | 011f39a | 2014-08-28 13:35:23 -0700 | [diff] [blame] | 73 | SkGraphics::SetResourceCacheSingleAllocationByteLimit(originalAllocationLimit); |
| 74 | SkGraphics::SetResourceCacheTotalByteLimit(originalByteLimit); |
halcanary | 805ef15 | 2014-07-17 06:58:01 -0700 | [diff] [blame] | 75 | } |
piotaixr | 42b0dfe | 2014-09-03 11:33:13 -0700 | [diff] [blame] | 76 | |
mtklein | 26abcf1 | 2014-09-04 10:50:53 -0700 | [diff] [blame] | 77 | #if 0 // skia:2912 |
| 78 | |
piotaixr | 42b0dfe | 2014-09-03 11:33:13 -0700 | [diff] [blame] | 79 | static SkBitmap createAllocatedBitmap(const SkImageInfo& info) { |
| 80 | SkBitmap cachedBitmap; |
| 81 | cachedBitmap.setInfo(info); |
| 82 | SkBitmap::Allocator* allocator = SkBitmapCache::GetAllocator(); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 83 | if (allocator) { |
piotaixr | 42b0dfe | 2014-09-03 11:33:13 -0700 | [diff] [blame] | 84 | allocator->allocPixelRef(&cachedBitmap, 0); |
| 85 | } else { |
| 86 | cachedBitmap.allocPixels(); |
| 87 | } |
| 88 | |
| 89 | return cachedBitmap; |
| 90 | } |
| 91 | |
| 92 | // http://skbug.com/2894 |
| 93 | DEF_TEST(BitmapCache_add_rect, reporter) { |
| 94 | SkBitmap bm; |
| 95 | SkIRect rect = SkIRect::MakeWH(5, 5); |
| 96 | SkBitmap cachedBitmap = createAllocatedBitmap(SkImageInfo::MakeN32Premul(5, 5)); |
| 97 | cachedBitmap.setImmutable(); |
| 98 | |
| 99 | // Wrong subset size |
| 100 | REPORTER_ASSERT(reporter, ! SkBitmapCache::Add(cachedBitmap.getGenerationID(), SkIRect::MakeWH(4, 6), cachedBitmap)); |
| 101 | REPORTER_ASSERT(reporter, ! SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); |
| 102 | // Wrong offset value |
| 103 | REPORTER_ASSERT(reporter, ! SkBitmapCache::Add(cachedBitmap.getGenerationID(), SkIRect::MakeXYWH(-1, 0, 5, 5), cachedBitmap)); |
| 104 | REPORTER_ASSERT(reporter, ! SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); |
| 105 | |
| 106 | // Should not be in the cache |
| 107 | REPORTER_ASSERT(reporter, !SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); |
| 108 | |
| 109 | REPORTER_ASSERT(reporter, SkBitmapCache::Add(cachedBitmap.getGenerationID(), rect, cachedBitmap)); |
| 110 | // Should be in the cache, we just added it |
| 111 | REPORTER_ASSERT(reporter, SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); |
| 112 | } |
danakj | 790ffe3 | 2014-09-11 10:49:52 -0700 | [diff] [blame^] | 113 | |
| 114 | DEF_TEST(BitmapCache_discarded_bitmap, reporter) { |
| 115 | SkBitmap bm; |
| 116 | SkIRect rect = SkIRect::MakeWH(5, 5); |
| 117 | SkBitmap cachedBitmap = createAllocatedBitmap(SkImageInfo::MakeN32Premul(5, 5)); |
| 118 | cachedBitmap.setImmutable(); |
| 119 | cachedBitmap.unlockPixels(); |
| 120 | |
| 121 | // Add a bitmap to the cache. |
| 122 | REPORTER_ASSERT(reporter, SkBitmapCache::Add(cachedBitmap.getGenerationID(), rect, cachedBitmap)); |
| 123 | REPORTER_ASSERT(reporter, SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); |
| 124 | |
| 125 | // Finding more than once works fine. |
| 126 | REPORTER_ASSERT(reporter, SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); |
| 127 | bm.unlockPixels(); |
| 128 | |
| 129 | // Drop the pixels in the bitmap. |
| 130 | REPORTER_ASSERT(reporter, SkGetGlobalDiscardableMemoryPool()->getRAMUsed() > 0); |
| 131 | SkGetGlobalDiscardableMemoryPool()->dumpPool(); |
| 132 | REPORTER_ASSERT(reporter, SkGetGlobalDiscardableMemoryPool()->getRAMUsed() == 0); |
| 133 | |
| 134 | // The bitmap is not in the cache since it has been dropped. |
| 135 | REPORTER_ASSERT(reporter, !SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); |
| 136 | |
| 137 | cachedBitmap = createAllocatedBitmap(SkImageInfo::MakeN32Premul(5, 5)); |
| 138 | cachedBitmap.setImmutable(); |
| 139 | cachedBitmap.unlockPixels(); |
| 140 | |
| 141 | // We can add the bitmap back to the cache and find it again. |
| 142 | REPORTER_ASSERT(reporter, SkBitmapCache::Add(cachedBitmap.getGenerationID(), rect, cachedBitmap)); |
| 143 | REPORTER_ASSERT(reporter, SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); |
| 144 | } |
mtklein | 26abcf1 | 2014-09-04 10:50:53 -0700 | [diff] [blame] | 145 | #endif |