blob: 1bb6766b2c1f160a245cd9b3baa3a5e3166e816e [file] [log] [blame]
commit-bot@chromium.orgc28f5552013-08-08 22:55:21 +00001/*
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
15static const int gWidth = 640;
16static const int gHeight = 480;
17
18////////////////////////////////////////////////////////////////////////////////
skia.committer@gmail.com17f1ae62013-08-09 07:01:22 +000019static void test_cache(skiatest::Reporter* reporter,
commit-bot@chromium.orgc28f5552013-08-08 22:55:21 +000020 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);
skia.committer@gmail.com17f1ae62013-08-09 07:01:22 +000035
commit-bot@chromium.orgc28f5552013-08-08 22:55:21 +000036 // 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////////////////////////////////////////////////////////////////////////////////
62static void TestResourceCache(skiatest::Reporter* reporter, GrContextFactory* factory) {
63 for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) {
64 GrContextFactory::GLContextType glType = static_cast<GrContextFactory::GLContextType>(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, NULL, 0));
80 SkAutoTUnref<SkGpuDevice> device(SkNEW_ARGS(SkGpuDevice, (context, texture.get())));
81 SkCanvas canvas(device.get());
82
83 test_cache(reporter, context, &canvas);
84 }
85}
86
87////////////////////////////////////////////////////////////////////////////////
88#include "TestClassDef.h"
89DEFINE_GPUTESTCLASS("ResourceCache", ResourceCacheTestClass, TestResourceCache)
90
91#endif