skia2/tests/ProxyRefTest.cpp

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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// This is a GPU-backend specific test.
#include "tests/Test.h"
#include "include/gpu/GrTexture.h"
#include "src/gpu/GrContextPriv.h"
#include "src/gpu/GrPendingIOResource.h"
#include "src/gpu/GrProxyProvider.h"
#include "src/gpu/GrRenderTargetProxy.h"
#include "src/gpu/GrResourceProvider.h"
#include "src/gpu/GrSurfaceProxy.h"
#include "src/gpu/GrTextureProxy.h"
static const int kWidthHeight = 128;
static void check_refs(skiatest::Reporter* reporter,
GrTextureProxy* proxy,
int32_t expectedProxyRefs,
int32_t expectedBackingRefs) {
int32_t actualProxyRefs = proxy->priv().getProxyRefCnt();
int32_t actualBackingRefs = proxy->testingOnly_getBackingRefCnt();
SkASSERT(actualProxyRefs == expectedProxyRefs);
SkASSERT(actualBackingRefs == expectedBackingRefs);
REPORTER_ASSERT(reporter, actualProxyRefs == expectedProxyRefs);
REPORTER_ASSERT(reporter, actualBackingRefs == expectedBackingRefs);
}
static sk_sp<GrTextureProxy> make_deferred(GrContext* context) {
GrProxyProvider* proxyProvider = context->priv().proxyProvider();
const GrCaps* caps = context->priv().caps();
GrSurfaceDesc desc;
desc.fWidth = kWidthHeight;
desc.fHeight = kWidthHeight;
desc.fConfig = kRGBA_8888_GrPixelConfig;
const GrBackendFormat format = caps->getDefaultBackendFormat(GrColorType::kRGBA_8888,
GrRenderable::kYes);
return proxyProvider->createProxy(format, desc, GrRenderable::kYes, 1,
kBottomLeft_GrSurfaceOrigin, SkBackingFit::kApprox,
SkBudgeted::kYes, GrProtected::kNo);
}
static sk_sp<GrTextureProxy> make_wrapped(GrContext* context) {
GrProxyProvider* proxyProvider = context->priv().proxyProvider();
return proxyProvider->testingOnly_createInstantiatedProxy(
{kWidthHeight, kWidthHeight}, GrColorType::kRGBA_8888, GrRenderable::kYes, 1,
kBottomLeft_GrSurfaceOrigin, SkBackingFit::kExact, SkBudgeted::kNo, GrProtected::kNo);
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ProxyRefTest, reporter, ctxInfo) {
GrResourceProvider* resourceProvider = ctxInfo.grContext()->priv().resourceProvider();
for (auto make : { make_deferred, make_wrapped }) {
// Pending IO ref
{
sk_sp<GrTextureProxy> proxy((*make)(ctxInfo.grContext()));
if (proxy.get()) {
GrProxyPendingIO pendingIO(proxy.get());
int backingRefs = proxy->isInstantiated() ? 1 : -1;
check_refs(reporter, proxy.get(), 2, backingRefs);
proxy->instantiate(resourceProvider);
check_refs(reporter, proxy.get(), 2, 1);
}
check_refs(reporter, proxy.get(), 1, 1);
}
// Multiple normal refs
{
sk_sp<GrTextureProxy> proxy((*make)(ctxInfo.grContext()));
if (proxy.get()) {
proxy->ref();
proxy->ref();
int backingRefs = proxy->isInstantiated() ? 1 : -1;
check_refs(reporter, proxy.get(), 3, backingRefs);
proxy->instantiate(resourceProvider);
check_refs(reporter, proxy.get(), 3, 1);
proxy->unref();
proxy->unref();
}
check_refs(reporter, proxy.get(), 1, 1);
}
// Continue using (reffing) proxy after instantiation
{
sk_sp<GrTextureProxy> proxy((*make)(ctxInfo.grContext()));
if (proxy.get()) {
proxy->ref();
GrProxyPendingIO pendingIO(proxy.get());
int backingRefs = proxy->isInstantiated() ? 1 : -1;
check_refs(reporter, proxy.get(), 3, backingRefs);
proxy->instantiate(resourceProvider);
check_refs(reporter, proxy.get(), 3, 1);
proxy->unref();
check_refs(reporter, proxy.get(), 2, 1);
GrProxyPendingIO secondPendingIO(proxy.get());
check_refs(reporter, proxy.get(), 3, 1);
}
check_refs(reporter, proxy.get(), 1, 1);
}
}
}