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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Benchmark.h"
#if SK_SUPPORT_GPU
#include "GrGpuResource.h"
#include "GrGpuResourcePriv.h"
#include "GrContext.h"
#include "GrGpu.h"
#include "GrResourceCache.h"
#include "SkCanvas.h"
enum {
CACHE_SIZE_COUNT = 4096,
};
class BenchResource : public GrGpuResource {
public:
SK_DECLARE_INST_COUNT(BenchResource);
BenchResource (GrGpu* gpu)
: INHERITED(gpu, kCached_LifeCycle) {
this->registerWithCache();
}
static void ComputeKey(int i, GrUniqueKey* key) {
static GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey::Builder builder(key, kDomain, 1);
builder[0] = i;
}
private:
size_t onGpuMemorySize() const SK_OVERRIDE { return 100; }
typedef GrGpuResource INHERITED;
};
static void populate_cache(GrGpu* gpu, int resourceCount) {
for (int i = 0; i < resourceCount; ++i) {
GrUniqueKey key;
BenchResource::ComputeKey(i, &key);
GrGpuResource* resource = SkNEW_ARGS(BenchResource, (gpu));
resource->resourcePriv().setUniqueKey(key);
resource->unref();
}
}
class GrResourceCacheBenchAdd : public Benchmark {
public:
bool isSuitableFor(Backend backend) SK_OVERRIDE {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() SK_OVERRIDE {
return "grresourcecache_add";
}
void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
SkAutoTUnref<GrContext> context(GrContext::CreateMockContext());
if (NULL == context) {
return;
}
// Set the cache budget to be very large so no purging occurs.
context->setResourceCacheLimits(CACHE_SIZE_COUNT, 1 << 30);
GrResourceCache* cache = context->getResourceCache();
// Make sure the cache is empty.
cache->purgeAllUnlocked();
SkASSERT(0 == cache->getResourceCount() && 0 == cache->getResourceBytes());
GrGpu* gpu = context->getGpu();
for (int i = 0; i < loops; ++i) {
populate_cache(gpu, CACHE_SIZE_COUNT);
SkASSERT(CACHE_SIZE_COUNT == cache->getResourceCount());
}
}
private:
typedef Benchmark INHERITED;
};
class GrResourceCacheBenchFind : public Benchmark {
public:
bool isSuitableFor(Backend backend) SK_OVERRIDE {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() SK_OVERRIDE {
return "grresourcecache_find";
}
void onPreDraw() SK_OVERRIDE {
fContext.reset(GrContext::CreateMockContext());
if (!fContext) {
return;
}
// Set the cache budget to be very large so no purging occurs.
fContext->setResourceCacheLimits(CACHE_SIZE_COUNT, 1 << 30);
GrResourceCache* cache = fContext->getResourceCache();
// Make sure the cache is empty.
cache->purgeAllUnlocked();
SkASSERT(0 == cache->getResourceCount() && 0 == cache->getResourceBytes());
GrGpu* gpu = fContext->getGpu();
populate_cache(gpu, CACHE_SIZE_COUNT);
}
void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
if (!fContext) {
return;
}
GrResourceCache* cache = fContext->getResourceCache();
SkASSERT(CACHE_SIZE_COUNT == cache->getResourceCount());
for (int i = 0; i < loops; ++i) {
for (int k = 0; k < CACHE_SIZE_COUNT; ++k) {
GrUniqueKey key;
BenchResource::ComputeKey(k, &key);
SkAutoTUnref<GrGpuResource> resource(cache->findAndRefUniqueResource(key));
SkASSERT(resource);
}
}
}
private:
SkAutoTUnref<GrContext> fContext;
typedef Benchmark INHERITED;
};
DEF_BENCH( return new GrResourceCacheBenchAdd(); )
DEF_BENCH( return new GrResourceCacheBenchFind(); )
#endif
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