зеркало из https://github.com/mozilla/moz-skia.git
92 строки
2.9 KiB
C++
92 строки
2.9 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Test.h"
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// This is a GPU test
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#if SK_SUPPORT_GPU
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#include "GrContextFactory.h"
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#include "SkGpuDevice.h"
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static const int gWidth = 640;
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static const int gHeight = 480;
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////////////////////////////////////////////////////////////////////////////////
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static void test_cache(skiatest::Reporter* reporter,
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GrContext* context,
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SkCanvas* canvas) {
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const SkIRect size = SkIRect::MakeWH(gWidth, gHeight);
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SkBitmap src;
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src.setConfig(SkBitmap::kARGB_8888_Config, size.width(), size.height());
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src.allocPixels();
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src.eraseColor(SK_ColorBLACK);
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size_t srcSize = src.getSize();
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size_t initialCacheSize = context->getGpuTextureCacheBytes();
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int oldMaxNum;
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size_t oldMaxBytes;
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context->getTextureCacheLimits(&oldMaxNum, &oldMaxBytes);
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// Set the cache limits so we can fit 10 "src" images and the
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// max number of textures doesn't matter
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size_t maxCacheSize = initialCacheSize + 10*srcSize;
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context->setTextureCacheLimits(1000, maxCacheSize);
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SkBitmap readback;
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readback.setConfig(SkBitmap::kARGB_8888_Config, size.width(), size.height());
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readback.allocPixels();
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for (int i = 0; i < 100; ++i) {
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canvas->drawBitmap(src, 0, 0);
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canvas->readPixels(size, &readback);
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// "modify" the src texture
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src.notifyPixelsChanged();
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size_t curCacheSize = context->getGpuTextureCacheBytes();
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// we should never go over the size limit
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REPORTER_ASSERT(reporter, curCacheSize <= maxCacheSize);
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}
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context->setTextureCacheLimits(oldMaxNum, oldMaxBytes);
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}
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////////////////////////////////////////////////////////////////////////////////
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static void TestResourceCache(skiatest::Reporter* reporter, GrContextFactory* factory) {
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for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) {
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GrContextFactory::GLContextType glType = static_cast<GrContextFactory::GLContextType>(type);
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if (!GrContextFactory::IsRenderingGLContext(glType)) {
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continue;
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}
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GrContext* context = factory->get(glType);
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if (NULL == context) {
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continue;
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}
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GrTextureDesc desc;
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desc.fConfig = kSkia8888_GrPixelConfig;
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desc.fFlags = kRenderTarget_GrTextureFlagBit;
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desc.fWidth = gWidth;
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desc.fHeight = gHeight;
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SkAutoTUnref<GrTexture> texture(context->createUncachedTexture(desc, NULL, 0));
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SkAutoTUnref<SkGpuDevice> device(SkNEW_ARGS(SkGpuDevice, (context, texture.get())));
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SkCanvas canvas(device.get());
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test_cache(reporter, context, &canvas);
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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#include "TestClassDef.h"
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DEFINE_GPUTESTCLASS("ResourceCache", ResourceCacheTestClass, TestResourceCache)
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#endif
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