5236cf480d
This avoids the problem of a newly created uncached texture causing a purge of cached resources. BUG=chromium:445885 Review URL: https://codereview.chromium.org/846303002
146 lines
3.9 KiB
C++
146 lines
3.9 KiB
C++
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/*
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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 "Benchmark.h"
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#if SK_SUPPORT_GPU
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#include "GrGpuResource.h"
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#include "GrContext.h"
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#include "GrGpu.h"
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#include "GrResourceCache2.h"
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#include "SkCanvas.h"
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enum {
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CACHE_SIZE_COUNT = 4096,
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};
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class BenchResource : public GrGpuResource {
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public:
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SK_DECLARE_INST_COUNT(BenchResource);
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BenchResource (GrGpu* gpu)
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: INHERITED(gpu, kCached_LifeCycle) {
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this->registerWithCache();
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}
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static GrResourceKey ComputeKey(int i) {
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GrCacheID::Key key;
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memset(&key, 0, sizeof(key));
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key.fData32[0] = i;
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static int gDomain = GrCacheID::GenerateDomain();
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return GrResourceKey(GrCacheID(gDomain, key), 0);
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}
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private:
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size_t onGpuMemorySize() const SK_OVERRIDE { return 100; }
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typedef GrGpuResource INHERITED;
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};
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static void populate_cache(GrGpu* gpu, int resourceCount) {
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for (int i = 0; i < resourceCount; ++i) {
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GrResourceKey key = BenchResource::ComputeKey(i);
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GrGpuResource* resource = SkNEW_ARGS(BenchResource, (gpu));
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resource->cacheAccess().setContentKey(key);
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resource->unref();
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}
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}
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class GrResourceCacheBenchAdd : public Benchmark {
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public:
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bool isSuitableFor(Backend backend) SK_OVERRIDE {
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return backend == kNonRendering_Backend;
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}
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protected:
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const char* onGetName() SK_OVERRIDE {
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return "grresourcecache_add";
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}
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void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
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SkAutoTUnref<GrContext> context(GrContext::CreateMockContext());
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if (NULL == context) {
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return;
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}
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// Set the cache budget to be very large so no purging occurs.
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context->setResourceCacheLimits(CACHE_SIZE_COUNT, 1 << 30);
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GrResourceCache2* cache2 = context->getResourceCache2();
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// Make sure the cache is empty.
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cache2->purgeAllUnlocked();
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SkASSERT(0 == cache2->getResourceCount() && 0 == cache2->getResourceBytes());
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GrGpu* gpu = context->getGpu();
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for (int i = 0; i < loops; ++i) {
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populate_cache(gpu, CACHE_SIZE_COUNT);
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SkASSERT(CACHE_SIZE_COUNT == cache2->getResourceCount());
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}
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}
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private:
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typedef Benchmark INHERITED;
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};
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class GrResourceCacheBenchFind : public Benchmark {
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public:
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bool isSuitableFor(Backend backend) SK_OVERRIDE {
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return backend == kNonRendering_Backend;
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}
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protected:
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const char* onGetName() SK_OVERRIDE {
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return "grresourcecache_find";
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}
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void onPreDraw() SK_OVERRIDE {
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fContext.reset(GrContext::CreateMockContext());
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if (!fContext) {
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return;
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}
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// Set the cache budget to be very large so no purging occurs.
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fContext->setResourceCacheLimits(CACHE_SIZE_COUNT, 1 << 30);
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GrResourceCache2* cache2 = fContext->getResourceCache2();
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// Make sure the cache is empty.
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cache2->purgeAllUnlocked();
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SkASSERT(0 == cache2->getResourceCount() && 0 == cache2->getResourceBytes());
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GrGpu* gpu = fContext->getGpu();
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populate_cache(gpu, CACHE_SIZE_COUNT);
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}
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void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
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if (!fContext) {
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return;
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}
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GrResourceCache2* cache2 = fContext->getResourceCache2();
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SkASSERT(CACHE_SIZE_COUNT == cache2->getResourceCount());
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for (int i = 0; i < loops; ++i) {
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for (int k = 0; k < CACHE_SIZE_COUNT; ++k) {
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GrResourceKey key = BenchResource::ComputeKey(k);
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SkAutoTUnref<GrGpuResource> resource(cache2->findAndRefContentResource(key));
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SkASSERT(resource);
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}
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}
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}
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private:
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SkAutoTUnref<GrContext> fContext;
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typedef Benchmark INHERITED;
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};
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DEF_BENCH( return new GrResourceCacheBenchAdd(); )
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DEF_BENCH( return new GrResourceCacheBenchFind(); )
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#endif
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