skia2/tests/ResourceCacheTest.cpp

467 lines
17 KiB
C++

/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#if SK_SUPPORT_GPU
#include "GrContext.h"
#include "GrContextFactory.h"
#include "GrGpu.h"
#include "GrResourceCache.h"
#include "GrResourceCache2.h"
#include "SkCanvas.h"
#include "SkSurface.h"
#include "Test.h"
static const int gWidth = 640;
static const int gHeight = 480;
////////////////////////////////////////////////////////////////////////////////
static void test_cache(skiatest::Reporter* reporter, GrContext* context, SkCanvas* canvas) {
const SkIRect size = SkIRect::MakeWH(gWidth, gHeight);
SkBitmap src;
src.allocN32Pixels(size.width(), size.height());
src.eraseColor(SK_ColorBLACK);
size_t srcSize = src.getSize();
size_t initialCacheSize;
context->getResourceCacheUsage(NULL, &initialCacheSize);
int oldMaxNum;
size_t oldMaxBytes;
context->getResourceCacheLimits(&oldMaxNum, &oldMaxBytes);
// Set the cache limits so we can fit 10 "src" images and the
// max number of textures doesn't matter
size_t maxCacheSize = initialCacheSize + 10*srcSize;
context->setResourceCacheLimits(1000, maxCacheSize);
SkBitmap readback;
readback.allocN32Pixels(size.width(), size.height());
for (int i = 0; i < 100; ++i) {
canvas->drawBitmap(src, 0, 0);
canvas->readPixels(size, &readback);
// "modify" the src texture
src.notifyPixelsChanged();
size_t curCacheSize;
context->getResourceCacheUsage(NULL, &curCacheSize);
// we should never go over the size limit
REPORTER_ASSERT(reporter, curCacheSize <= maxCacheSize);
}
context->setResourceCacheLimits(oldMaxNum, oldMaxBytes);
}
class TestResource : public GrGpuResource {
static const size_t kDefaultSize = 100;
public:
SK_DECLARE_INST_COUNT(TestResource);
TestResource(GrGpu* gpu)
: INHERITED(gpu, false)
, fCache(NULL)
, fToDelete(NULL)
, fSize(kDefaultSize) {
++fNumAlive;
this->registerWithCache();
}
TestResource(GrGpu* gpu, const GrResourceKey& scratchKey)
: INHERITED(gpu, false)
, fCache(NULL)
, fToDelete(NULL)
, fSize(kDefaultSize) {
this->setScratchKey(scratchKey);
++fNumAlive;
this->registerWithCache();
}
~TestResource() {
--fNumAlive;
if (fToDelete) {
// Breaks our little 2-element cycle below.
fToDelete->setDeleteWhenDestroyed(NULL, NULL);
fCache->deleteResource(fToDelete->cacheAccess().getCacheEntry());
}
this->release();
}
void setSize(size_t size) {
fSize = size;
this->didChangeGpuMemorySize();
}
static int NumAlive() { return fNumAlive; }
void setDeleteWhenDestroyed(GrResourceCache* cache, TestResource* resource) {
fCache = cache;
fToDelete = resource;
}
private:
size_t onGpuMemorySize() const SK_OVERRIDE { return fSize; }
GrResourceCache* fCache;
TestResource* fToDelete;
size_t fSize;
static int fNumAlive;
typedef GrGpuResource INHERITED;
};
int TestResource::fNumAlive = 0;
static void test_duplicate_scratch_key(skiatest::Reporter* reporter) {
SkAutoTUnref<GrContext> context(GrContext::CreateMockContext());
REPORTER_ASSERT(reporter, SkToBool(context));
if (NULL == context) {
return;
}
context->setResourceCacheLimits(5, 30000);
GrResourceCache* cache = context->getResourceCache();
SkDEBUGCODE(GrResourceCache2* cache2 = context->getResourceCache2();)
cache->purgeAllUnlocked();
SkASSERT(0 == cache->getCachedResourceCount() && 0 == cache->getCachedResourceBytes());
GrCacheID::Key keyData;
memset(&keyData, 0, sizeof(keyData));
GrCacheID::Domain domain = GrResourceKey::ScratchDomain();
GrResourceKey::ResourceType t = GrResourceKey::GenerateResourceType();
GrResourceKey scratchKey(GrCacheID(domain, keyData), t, 0);
// Create two resources that have the same scratch key.
TestResource* a = new TestResource(context->getGpu(), scratchKey);
TestResource* b = new TestResource(context->getGpu(), scratchKey);
a->setSize(11);
b->setSize(12);
// Scratch resources are registered with GrResourceCache2 just by existing. There are 2.
SkDEBUGCODE(REPORTER_ASSERT(reporter, 2 == cache2->countScratchEntriesForKey(scratchKey));)
REPORTER_ASSERT(reporter, cache->addResource(scratchKey, a));
SkDEBUGCODE(REPORTER_ASSERT(reporter, 2 == cache2->countScratchEntriesForKey(scratchKey));)
// Can't add the same resource twice.
REPORTER_ASSERT(reporter, !cache->addResource(scratchKey, a));
REPORTER_ASSERT(reporter, 1 == cache->getCachedResourceCount());
REPORTER_ASSERT(reporter, a->gpuMemorySize() == cache->getCachedResourceBytes());
SkDEBUGCODE(REPORTER_ASSERT(reporter, 2 == cache2->countScratchEntriesForKey(scratchKey));)
// Add a second with the same key.
REPORTER_ASSERT(reporter, cache->addResource(scratchKey, b));
REPORTER_ASSERT(reporter, 2 == cache->getCachedResourceCount());
REPORTER_ASSERT(reporter, a->gpuMemorySize() + b->gpuMemorySize() ==
cache->getCachedResourceBytes());
REPORTER_ASSERT(reporter, 2 == TestResource::NumAlive());
SkDEBUGCODE(REPORTER_ASSERT(reporter, 2 == cache2->countScratchEntriesForKey(scratchKey));)
// Our refs mean that the resources are non purgable.
cache->purgeAllUnlocked();
REPORTER_ASSERT(reporter, 2 == TestResource::NumAlive());
REPORTER_ASSERT(reporter, 2 == cache->getCachedResourceCount());
// Unref but don't purge
a->unref();
b->unref();
REPORTER_ASSERT(reporter, 2 == TestResource::NumAlive());
SkDEBUGCODE(REPORTER_ASSERT(reporter, 2 == cache2->countScratchEntriesForKey(scratchKey));)
// Purge again. This time resources should be purgable.
cache->purgeAllUnlocked();
REPORTER_ASSERT(reporter, 0 == TestResource::NumAlive());
REPORTER_ASSERT(reporter, 0 == cache->getCachedResourceCount());
SkDEBUGCODE(REPORTER_ASSERT(reporter, 0 == cache2->countScratchEntriesForKey(scratchKey));)
}
static void test_duplicate_content_key(skiatest::Reporter* reporter) {
SkAutoTUnref<GrContext> context(GrContext::CreateMockContext());
REPORTER_ASSERT(reporter, SkToBool(context));
if (NULL == context) {
return;
}
context->setResourceCacheLimits(5, 30000);
GrResourceCache* cache = context->getResourceCache();
cache->purgeAllUnlocked();
SkASSERT(0 == cache->getCachedResourceCount() && 0 == cache->getCachedResourceBytes());
GrCacheID::Domain domain = GrCacheID::GenerateDomain();
GrCacheID::Key keyData;
memset(&keyData, 0, sizeof(keyData));
GrResourceKey::ResourceType t = GrResourceKey::GenerateResourceType();
GrResourceKey key(GrCacheID(domain, keyData), t, 0);
// Create two resources that we will attempt to register with the same content key.
TestResource* a = new TestResource(context->getGpu());
TestResource* b = new TestResource(context->getGpu());
a->setSize(11);
b->setSize(12);
REPORTER_ASSERT(reporter, cache->addResource(key, a));
// Can't add the same or another resource with the same key.
REPORTER_ASSERT(reporter, !cache->addResource(key, a));
REPORTER_ASSERT(reporter, !cache->addResource(key, b));
REPORTER_ASSERT(reporter, 1 == cache->getCachedResourceCount());
REPORTER_ASSERT(reporter, a->gpuMemorySize() == cache->getCachedResourceBytes());
REPORTER_ASSERT(reporter, 2 == TestResource::NumAlive());
b->unref();
cache->purgeAllUnlocked();
a->setSize(10);
REPORTER_ASSERT(reporter, 1 == cache->getCachedResourceCount());
REPORTER_ASSERT(reporter, 1 == TestResource::NumAlive());
a->unref();
cache->purgeAllUnlocked();
REPORTER_ASSERT(reporter, 0 == cache->getCachedResourceCount());
REPORTER_ASSERT(reporter, 0 == cache->getCachedResourceBytes());
REPORTER_ASSERT(reporter, 0 == TestResource::NumAlive());
}
static void test_purge_invalidated(skiatest::Reporter* reporter) {
SkAutoTUnref<GrContext> context(GrContext::CreateMockContext());
REPORTER_ASSERT(reporter, SkToBool(context));
if (NULL == context) {
return;
}
GrCacheID::Domain domain = GrCacheID::GenerateDomain();
GrCacheID::Key keyData;
memset(&keyData, 0, sizeof(keyData));
GrResourceKey::ResourceType t = GrResourceKey::GenerateResourceType();
keyData.fData64[0] = 1;
GrResourceKey key1(GrCacheID(domain, keyData), t, 0);
keyData.fData64[0] = 2;
GrResourceKey key2(GrCacheID(domain, keyData), t, 0);
keyData.fData64[0] = 3;
GrResourceKey key3(GrCacheID(domain, keyData), t, 0);
context->setResourceCacheLimits(5, 30000);
GrResourceCache* cache = context->getResourceCache();
GrResourceCache2* cache2 = context->getResourceCache2();
cache->purgeAllUnlocked();
SkASSERT(0 == cache->getCachedResourceCount() && 0 == cache->getCachedResourceBytes());
// Add three resources to the cache.
TestResource* a = new TestResource(context->getGpu());
TestResource* b = new TestResource(context->getGpu());
TestResource* c = new TestResource(context->getGpu());
cache->addResource(key1, a);
cache->addResource(key2, b);
cache->addResource(key3, c);
a->unref();
b->unref();
c->unref();
REPORTER_ASSERT(reporter, cache2->hasContentKey(key1));
REPORTER_ASSERT(reporter, cache2->hasContentKey(key2));
REPORTER_ASSERT(reporter, cache2->hasContentKey(key3));
// Invalidate two of the three, they should be purged and destroyed.
REPORTER_ASSERT(reporter, 3 == TestResource::NumAlive());
const GrResourceInvalidatedMessage msg1 = { key1 };
SkMessageBus<GrResourceInvalidatedMessage>::Post(msg1);
const GrResourceInvalidatedMessage msg2 = { key2 };
SkMessageBus<GrResourceInvalidatedMessage>::Post(msg2);
cache->purgeAsNeeded();
#if 0 // Disabled until reimplemented in GrResourceCache2.
REPORTER_ASSERT(reporter, 1 == TestResource::NumAlive());
REPORTER_ASSERT(reporter, !cache2->hasContentKey(key1));
REPORTER_ASSERT(reporter, !cache2->hasContentKey(key2));
REPORTER_ASSERT(reporter, cache2->hasContentKey(key3));
#endif
// Invalidate the third.
const GrResourceInvalidatedMessage msg3 = { key3 };
SkMessageBus<GrResourceInvalidatedMessage>::Post(msg3);
cache->purgeAsNeeded();
#if 0 // Disabled until reimplemented in GrResourceCache2.
REPORTER_ASSERT(reporter, 0 == TestResource::NumAlive());
REPORTER_ASSERT(reporter, !cache2->hasContentKey(key3));
#endif
}
static void test_cache_delete_on_destruction(skiatest::Reporter* reporter) {
SkAutoTUnref<GrContext> context(GrContext::CreateMockContext());
REPORTER_ASSERT(reporter, SkToBool(context));
if (NULL == context) {
return;
}
GrCacheID::Domain domain = GrCacheID::GenerateDomain();
GrCacheID::Key keyData;
memset(&keyData, 0, sizeof(keyData));
GrResourceKey::ResourceType t = GrResourceKey::GenerateResourceType();
keyData.fData64[0] = 1;
GrResourceKey key1(GrCacheID(domain, keyData), t, 0);
keyData.fData64[0] = 2;
GrResourceKey key2(GrCacheID(domain, keyData), t, 0);
{
context->setResourceCacheLimits(3, 30000);
GrResourceCache* cache = context->getResourceCache();
cache->purgeAllUnlocked();
SkASSERT(0 == cache->getCachedResourceCount() && 0 == cache->getCachedResourceBytes());
TestResource* a = new TestResource(context->getGpu());
TestResource* b = new TestResource(context->getGpu());
cache->addResource(key1, a);
cache->addResource(key2, b);
a->setDeleteWhenDestroyed(cache, b);
b->setDeleteWhenDestroyed(cache, a);
a->unref();
b->unref();
REPORTER_ASSERT(reporter, 2 == TestResource::NumAlive());
cache->purgeAllUnlocked();
REPORTER_ASSERT(reporter, 0 == TestResource::NumAlive());
}
{
context->setResourceCacheLimits(3, 30000);
GrResourceCache* cache = context->getResourceCache();
cache->purgeAllUnlocked();
SkASSERT(0 == cache->getCachedResourceCount() && 0 == cache->getCachedResourceBytes());
TestResource* a = new TestResource(context->getGpu());
TestResource* b = new TestResource(context->getGpu());
cache->addResource(key1, a);
cache->addResource(key2, b);
a->setDeleteWhenDestroyed(cache, b);
b->setDeleteWhenDestroyed(cache, a);
a->unref();
b->unref();
cache->deleteResource(a->cacheAccess().getCacheEntry());
REPORTER_ASSERT(reporter, 0 == TestResource::NumAlive());
}
}
static void test_resource_size_changed(skiatest::Reporter* reporter) {
SkAutoTUnref<GrContext> context(GrContext::CreateMockContext());
REPORTER_ASSERT(reporter, SkToBool(context));
if (NULL == context) {
return;
}
GrCacheID::Domain domain = GrCacheID::GenerateDomain();
GrResourceKey::ResourceType t = GrResourceKey::GenerateResourceType();
GrCacheID::Key key1Data;
key1Data.fData64[0] = 0;
key1Data.fData64[1] = 0;
GrResourceKey key1(GrCacheID(domain, key1Data), t, 0);
GrCacheID::Key key2Data;
key2Data.fData64[0] = 1;
key2Data.fData64[1] = 0;
GrResourceKey key2(GrCacheID(domain, key2Data), t, 0);
// Test changing resources sizes (both increase & decrease).
{
context->setResourceCacheLimits(3, 30000);
GrResourceCache* cache = context->getResourceCache();
GrResourceCache2* cache2 = context->getResourceCache2();
cache->purgeAllUnlocked();
SkASSERT(0 == cache->getCachedResourceCount() && 0 == cache->getCachedResourceBytes());
TestResource* a = new TestResource(context->getGpu());
a->setSize(100); // Test didChangeGpuMemorySize() when not in the cache.
cache->addResource(key1, a);
a->unref();
TestResource* b = new TestResource(context->getGpu());
b->setSize(100);
cache->addResource(key2, b);
b->unref();
REPORTER_ASSERT(reporter, 200 == cache->getCachedResourceBytes());
REPORTER_ASSERT(reporter, 2 == cache->getCachedResourceCount());
{
SkAutoTUnref<TestResource> find2(static_cast<TestResource*>(cache2->findAndRefContentResource(key2)));
find2->setSize(200);
SkAutoTUnref<TestResource> find1(static_cast<TestResource*>(cache2->findAndRefContentResource(key1)));
find1->setSize(50);
}
REPORTER_ASSERT(reporter, 250 == cache->getCachedResourceBytes());
REPORTER_ASSERT(reporter, 2 == cache->getCachedResourceCount());
}
// Test increasing a resources size beyond the cache budget.
{
context->setResourceCacheLimits(2, 300);
GrResourceCache* cache = context->getResourceCache();
GrResourceCache2* cache2 = context->getResourceCache2();
cache->purgeAllUnlocked();
SkASSERT(0 == cache->getCachedResourceCount() && 0 == cache->getCachedResourceBytes());
TestResource* a = new TestResource(context->getGpu());
a->setSize(100);
cache->addResource(key1, a);
a->unref();
TestResource* b = new TestResource(context->getGpu());
b->setSize(100);
cache->addResource(key2, b);
b->unref();
REPORTER_ASSERT(reporter, 200 == cache->getCachedResourceBytes());
REPORTER_ASSERT(reporter, 2 == cache->getCachedResourceCount());
{
SkAutoTUnref<TestResource> find2(static_cast<TestResource*>(cache2->findAndRefContentResource(key2)));
find2->setSize(201);
}
REPORTER_ASSERT(reporter, !cache2->hasContentKey(key1));
REPORTER_ASSERT(reporter, 201 == cache->getCachedResourceBytes());
REPORTER_ASSERT(reporter, 1 == cache->getCachedResourceCount());
}
}
////////////////////////////////////////////////////////////////////////////////
DEF_GPUTEST(ResourceCache, reporter, factory) {
for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) {
GrContextFactory::GLContextType glType = static_cast<GrContextFactory::GLContextType>(type);
if (!GrContextFactory::IsRenderingGLContext(glType)) {
continue;
}
GrContext* context = factory->get(glType);
if (NULL == context) {
continue;
}
GrSurfaceDesc desc;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = gWidth;
desc.fHeight = gHeight;
SkImageInfo info = SkImageInfo::MakeN32Premul(gWidth, gHeight);
SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTarget(context, info));
test_cache(reporter, context, surface->getCanvas());
}
// The below tests create their own mock contexts.
test_duplicate_content_key(reporter);
test_duplicate_scratch_key(reporter);
test_purge_invalidated(reporter);
test_cache_delete_on_destruction(reporter);
test_resource_size_changed(reporter);
}
#endif