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 "include/core/SkRefCnt.h"
#include "include/core/SkTypes.h"
#include "include/gpu/GpuTypes.h"
#include "include/gpu/GrBackendSurface.h"
#include "include/gpu/GrDirectContext.h"
#include "include/gpu/GrRecordingContext.h"
#include "include/gpu/GrTypes.h"
#include "include/private/gpu/ganesh/GrTypesPriv.h"
#include "src/gpu/SkBackingFit.h"
#include "src/gpu/ganesh/GrCaps.h"
#include "src/gpu/ganesh/GrDirectContextPriv.h"
#include "src/gpu/ganesh/GrProxyProvider.h"
#include "src/gpu/ganesh/GrRecordingContextPriv.h"
#include "src/gpu/ganesh/GrTextureProxy.h"
#include "tests/CtsEnforcement.h"
#include "tests/Test.h"
#include "tests/TestUtils.h"
 
#include <initializer_list>
 
class GrResourceProvider;
struct GrContextOptions;
 
static const int kWidthHeight = 128;
 
static sk_sp<GrTextureProxy> make_deferred(GrRecordingContext* rContext) {
    GrProxyProvider* proxyProvider = rContext->priv().proxyProvider();
    const GrCaps* caps = rContext->priv().caps();
 
    const GrBackendFormat format = caps->getDefaultBackendFormat(GrColorType::kRGBA_8888,
                                                                 GrRenderable::kYes);
    return proxyProvider->createProxy(format,
                                      {kWidthHeight, kWidthHeight},
                                      GrRenderable::kYes,
                                      1,
                                      skgpu::Mipmapped::kNo,
                                      SkBackingFit::kApprox,
                                      skgpu::Budgeted::kYes,
                                      GrProtected::kNo,
                                      /*label=*/"ProxyRefTest");
}
 
static sk_sp<GrTextureProxy> make_wrapped(GrRecordingContext* rContext) {
    GrProxyProvider* proxyProvider = rContext->priv().proxyProvider();
 
    return proxyProvider->testingOnly_createInstantiatedProxy({kWidthHeight, kWidthHeight},
                                                              GrColorType::kRGBA_8888,
                                                              GrRenderable::kYes,
                                                              1,
                                                              SkBackingFit::kExact,
                                                              skgpu::Budgeted::kNo,
                                                              GrProtected::kNo);
}
 
DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(ProxyRefTest,
                                       reporter,
                                       ctxInfo,
                                       CtsEnforcement::kApiLevel_T) {
    auto dContext = ctxInfo.directContext();
    GrResourceProvider* resourceProvider = dContext->priv().resourceProvider();
 
    for (auto make : { make_deferred, make_wrapped }) {
        // An extra ref
        {
            sk_sp<GrTextureProxy> proxy((*make)(dContext));
            if (proxy) {
                sk_sp<GrTextureProxy> extraRef(proxy);  // NOLINT(performance-unnecessary-copy-initialization)
 
                int backingRefs = proxy->isInstantiated() ? 1 : -1;
 
                CheckSingleThreadedProxyRefs(reporter, proxy.get(), 2, backingRefs);
 
                proxy->instantiate(resourceProvider);
 
                CheckSingleThreadedProxyRefs(reporter, proxy.get(), 2, 1);
            }
            CheckSingleThreadedProxyRefs(reporter, proxy.get(), 1, 1);
        }
 
        // Multiple normal refs
        {
            sk_sp<GrTextureProxy> proxy((*make)(dContext));
            if (proxy) {
                proxy->ref();
                proxy->ref();
 
                int backingRefs = proxy->isInstantiated() ? 1 : -1;
 
                CheckSingleThreadedProxyRefs(reporter, proxy.get(), 3, backingRefs);
 
                proxy->instantiate(resourceProvider);
 
                CheckSingleThreadedProxyRefs(reporter, proxy.get(), 3, 1);
 
                proxy->unref();
                proxy->unref();
            }
            CheckSingleThreadedProxyRefs(reporter, proxy.get(), 1, 1);
        }
 
        // Continue using (reffing) proxy after instantiation
        {
            sk_sp<GrTextureProxy> proxy((*make)(dContext));
            if (proxy) {
                sk_sp<GrTextureProxy> firstExtraRef(proxy);  // NOLINT(performance-unnecessary-copy-initialization)
 
                int backingRefs = proxy->isInstantiated() ? 1 : -1;
 
                CheckSingleThreadedProxyRefs(reporter, proxy.get(), 2, backingRefs);
 
                proxy->instantiate(resourceProvider);
 
                CheckSingleThreadedProxyRefs(reporter, proxy.get(), 2, 1);
 
                sk_sp<GrTextureProxy> secondExtraRef(proxy);  // NOLINT(performance-unnecessary-copy-initialization)
                CheckSingleThreadedProxyRefs(reporter, proxy.get(), 3, 1);
            }
            CheckSingleThreadedProxyRefs(reporter, proxy.get(), 1, 1);
        }
    }
}