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| 1 /* |
| 2 * Copyright 2013 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 "Test.h" |
| 9 |
| 10 // This is a GPU test |
| 11 #if SK_SUPPORT_GPU |
| 12 #include "GrContextFactory.h" |
| 13 #include "SkGpuDevice.h" |
| 14 |
| 15 static const int gWidth = 640; |
| 16 static const int gHeight = 480; |
| 17 |
| 18 //////////////////////////////////////////////////////////////////////////////// |
| 19 static void test_cache(skiatest::Reporter* reporter, |
| 20 GrContext* context, |
| 21 SkCanvas* canvas) { |
| 22 const SkIRect size = SkIRect::MakeWH(gWidth, gHeight); |
| 23 |
| 24 SkBitmap src; |
| 25 src.setConfig(SkBitmap::kARGB_8888_Config, size.width(), size.height()); |
| 26 src.allocPixels(); |
| 27 src.eraseColor(SK_ColorBLACK); |
| 28 size_t srcSize = src.getSize(); |
| 29 |
| 30 size_t initialCacheSize = context->getGpuTextureCacheBytes(); |
| 31 |
| 32 int oldMaxNum; |
| 33 size_t oldMaxBytes; |
| 34 context->getTextureCacheLimits(&oldMaxNum, &oldMaxBytes); |
| 35 |
| 36 // Set the cache limits so we can fit 10 "src" images and the |
| 37 // max number of textures doesn't matter |
| 38 size_t maxCacheSize = initialCacheSize + 10*srcSize; |
| 39 context->setTextureCacheLimits(1000, maxCacheSize); |
| 40 |
| 41 SkBitmap readback; |
| 42 readback.setConfig(SkBitmap::kARGB_8888_Config, size.width(), size.height())
; |
| 43 readback.allocPixels(); |
| 44 |
| 45 for (int i = 0; i < 100; ++i) { |
| 46 canvas->drawBitmap(src, 0, 0); |
| 47 canvas->readPixels(size, &readback); |
| 48 |
| 49 // "modify" the src texture |
| 50 src.notifyPixelsChanged(); |
| 51 |
| 52 size_t curCacheSize = context->getGpuTextureCacheBytes(); |
| 53 |
| 54 // we should never go over the size limit |
| 55 REPORTER_ASSERT(reporter, curCacheSize <= maxCacheSize); |
| 56 } |
| 57 |
| 58 context->setTextureCacheLimits(oldMaxNum, oldMaxBytes); |
| 59 } |
| 60 |
| 61 //////////////////////////////////////////////////////////////////////////////// |
| 62 static void TestResourceCache(skiatest::Reporter* reporter, GrContextFactory* fa
ctory) { |
| 63 for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) { |
| 64 GrContextFactory::GLContextType glType = static_cast<GrContextFactory::G
LContextType>(type); |
| 65 if (!GrContextFactory::IsRenderingGLContext(glType)) { |
| 66 continue; |
| 67 } |
| 68 GrContext* context = factory->get(glType); |
| 69 if (NULL == context) { |
| 70 continue; |
| 71 } |
| 72 |
| 73 GrTextureDesc desc; |
| 74 desc.fConfig = kSkia8888_GrPixelConfig; |
| 75 desc.fFlags = kRenderTarget_GrTextureFlagBit; |
| 76 desc.fWidth = gWidth; |
| 77 desc.fHeight = gHeight; |
| 78 |
| 79 SkAutoTUnref<GrTexture> texture(context->createUncachedTexture(desc, NUL
L, 0)); |
| 80 SkAutoTUnref<SkGpuDevice> device(SkNEW_ARGS(SkGpuDevice, (context, textu
re.get()))); |
| 81 SkCanvas canvas(device.get()); |
| 82 |
| 83 test_cache(reporter, context, &canvas); |
| 84 } |
| 85 } |
| 86 |
| 87 //////////////////////////////////////////////////////////////////////////////// |
| 88 #include "TestClassDef.h" |
| 89 DEFINE_GPUTESTCLASS("ResourceCache", ResourceCacheTestClass, TestResourceCache) |
| 90 |
| 91 #endif |
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