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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrProxyProvider.h"
#include "GrCaps.h"
#include "GrResourceKey.h"
#include "GrResourceProvider.h"
#include "GrSurfaceProxy.h"
#include "GrSurfaceProxyPriv.h"
#include "GrTexture.h"
#include "GrTextureProxyCacheAccess.h"
#include "../private/GrSingleOwner.h"
#define ASSERT_SINGLE_OWNER \
SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(fSingleOwner);)
GrProxyProvider::GrProxyProvider(GrResourceProvider* resourceProvider,
GrResourceCache* resourceCache,
sk_sp<const GrCaps> caps,
GrSingleOwner* owner)
: fResourceProvider(resourceProvider)
, fResourceCache(resourceCache)
, fCaps(caps)
#ifdef SK_DEBUG
, fSingleOwner(owner)
#endif
{
}
GrProxyProvider::~GrProxyProvider() {
SkASSERT(!fUniquelyKeyedProxies.count());
}
void GrProxyProvider::assignUniqueKeyToProxy(const GrUniqueKey& key, GrTextureProxy* proxy) {
ASSERT_SINGLE_OWNER
SkASSERT(key.isValid());
if (this->isAbandoned() || !proxy) {
return;
}
// If there is already a GrResource with this key then the caller has violated the normal
// usage pattern of uniquely keyed resources (e.g., they have created one w/o first seeing
// if it already existed in the cache).
SkASSERT(!fResourceCache->findAndRefUniqueResource(key));
// Uncached resources can never have a unique key, unless they're wrapped resources. Wrapped
// resources are a special case: the unique keys give us a weak ref so that we can reuse the
// same resource (rather than re-wrapping). When a wrapped resource is no longer referenced,
// it will always be released - it is never converted to a scratch resource.
if (SkBudgeted::kNo == proxy->isBudgeted() &&
(!proxy->priv().isInstantiated() ||
!proxy->priv().peekSurface()->resourcePriv().refsWrappedObjects())) {
return;
}
SkASSERT(!fUniquelyKeyedProxies.find(key)); // multiple proxies can't get the same key
proxy->cacheAccess().setUniqueKey(this, key);
SkASSERT(proxy->getUniqueKey() == key);
fUniquelyKeyedProxies.add(proxy);
}
void GrProxyProvider::adoptUniqueKeyFromSurface(GrTextureProxy* proxy, const GrSurface* surf) {
SkASSERT(surf->getUniqueKey().isValid());
proxy->cacheAccess().setUniqueKey(this, surf->getUniqueKey());
SkASSERT(proxy->getUniqueKey() == surf->getUniqueKey());
// multiple proxies can't get the same key
SkASSERT(!fUniquelyKeyedProxies.find(surf->getUniqueKey()));
fUniquelyKeyedProxies.add(proxy);
}
void GrProxyProvider::removeUniqueKeyFromProxy(const GrUniqueKey& key, GrTextureProxy* proxy) {
ASSERT_SINGLE_OWNER
if (this->isAbandoned() || !proxy) {
return;
}
this->processInvalidProxyUniqueKey(key, proxy, true);
}
sk_sp<GrTextureProxy> GrProxyProvider::findProxyByUniqueKey(const GrUniqueKey& key,
GrSurfaceOrigin origin) {
ASSERT_SINGLE_OWNER
if (this->isAbandoned()) {
return nullptr;
}
sk_sp<GrTextureProxy> result = sk_ref_sp(fUniquelyKeyedProxies.find(key));
if (result) {
SkASSERT(result->origin() == origin);
}
return result;
}
sk_sp<GrTextureProxy> GrProxyProvider::findOrCreateProxyByUniqueKey(const GrUniqueKey& key,
GrSurfaceOrigin origin) {
ASSERT_SINGLE_OWNER
if (this->isAbandoned()) {
return nullptr;
}
sk_sp<GrTextureProxy> result = this->findProxyByUniqueKey(key, origin);
if (result) {
return result;
}
GrGpuResource* resource = fResourceCache->findAndRefUniqueResource(key);
if (!resource) {
return nullptr;
}
sk_sp<GrTexture> texture(static_cast<GrSurface*>(resource)->asTexture());
SkASSERT(texture);
result = GrSurfaceProxy::MakeWrapped(std::move(texture), origin);
SkASSERT(result->getUniqueKey() == key);
// MakeWrapped should've added this for us
SkASSERT(fUniquelyKeyedProxies.find(key));
return result;
}
sk_sp<GrTextureProxy> GrProxyProvider::createTextureProxy(const GrSurfaceDesc& desc,
SkBudgeted budgeted,
const GrMipLevel& mipLevel) {
ASSERT_SINGLE_OWNER
if (this->isAbandoned()) {
return nullptr;
}
sk_sp<GrTexture> tex = fResourceProvider->createTexture(desc, budgeted, mipLevel);
if (!tex) {
return nullptr;
}
return GrSurfaceProxy::MakeWrapped(std::move(tex), desc.fOrigin);
}
sk_sp<GrTextureProxy> GrProxyProvider::createTextureProxy(
const GrSurfaceDesc& desc, SkBudgeted budgeted,
const GrMipLevel texels[], int mipLevelCount,
SkDestinationSurfaceColorMode mipColorMode) {
ASSERT_SINGLE_OWNER
if (this->isAbandoned()) {
return nullptr;
}
sk_sp<GrTexture> tex(fResourceProvider->createTexture(desc, budgeted,
texels, mipLevelCount,
mipColorMode));
if (!tex) {
return nullptr;
}
return GrSurfaceProxy::MakeWrapped(std::move(tex), desc.fOrigin);
}
bool GrProxyProvider::IsFunctionallyExact(GrSurfaceProxy* proxy) {
return proxy->priv().isExact() || (SkIsPow2(proxy->width()) && SkIsPow2(proxy->height()));
}
void GrProxyProvider::processInvalidProxyUniqueKey(const GrUniqueKey& key) {
// Note: this method is called for the whole variety of GrGpuResources so often 'key'
// will not be in 'fUniquelyKeyedProxies'.
GrTextureProxy* proxy = fUniquelyKeyedProxies.find(key);
if (proxy) {
this->processInvalidProxyUniqueKey(key, proxy, false);
}
}
void GrProxyProvider::processInvalidProxyUniqueKey(const GrUniqueKey& key, GrTextureProxy* proxy,
bool invalidateSurface) {
SkASSERT(proxy);
SkASSERT(proxy->getUniqueKey().isValid());
SkASSERT(proxy->getUniqueKey() == key);
fUniquelyKeyedProxies.remove(key);
proxy->cacheAccess().clearUniqueKey();
if (invalidateSurface && proxy->priv().isInstantiated()) {
GrSurface* surface = proxy->priv().peekSurface();
if (surface) {
surface->resourcePriv().removeUniqueKey();
}
}
}
void GrProxyProvider::removeAllUniqueKeys() {
UniquelyKeyedProxyHash::Iter iter(&fUniquelyKeyedProxies);
for (UniquelyKeyedProxyHash::Iter iter(&fUniquelyKeyedProxies); !iter.done(); ++iter) {
GrTextureProxy& tmp = *iter;
this->processInvalidProxyUniqueKey(tmp.getUniqueKey(), &tmp, false);
}
SkASSERT(!fUniquelyKeyedProxies.count());
}
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