12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697 |
- /*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #ifndef GrGpuResourcePriv_DEFINED
- #define GrGpuResourcePriv_DEFINED
- #include "include/gpu/GrGpuResource.h"
- /**
- * This class allows code internal to Skia privileged access to manage the cache keys and budget
- * status of a GrGpuResource object.
- */
- class GrGpuResource::ResourcePriv {
- public:
- SkDEBUGCODE(bool hasPendingIO_debugOnly() const { return fResource->internalHasPendingIO(); })
- /**
- * Sets a unique key for the resource. If the resource was previously cached as scratch it will
- * be converted to a uniquely-keyed resource. If the key is invalid then this is equivalent to
- * removeUniqueKey(). If another resource is using the key then its unique key is removed and
- * this resource takes over the key.
- */
- void setUniqueKey(const GrUniqueKey& key) { fResource->setUniqueKey(key); }
- /** Removes the unique key from a resource. If the resource has a scratch key, it may be
- preserved for recycling as scratch. */
- void removeUniqueKey() { fResource->removeUniqueKey(); }
- /**
- * If the resource is uncached make it cached. Has no effect on resources that are wrapped or
- * already cached.
- */
- void makeBudgeted() { fResource->makeBudgeted(); }
- /**
- * If the resource is cached make it uncached. Has no effect on resources that are wrapped or
- * already uncached. Furthermore, resources with unique keys cannot be made unbudgeted.
- */
- void makeUnbudgeted() { fResource->makeUnbudgeted(); }
- /**
- * Get the resource's budgeted-type which indicates whether it counts against the resource cache
- * budget and if not whether it is allowed to be cached.
- */
- GrBudgetedType budgetedType() const {
- SkASSERT(GrBudgetedType::kBudgeted == fResource->fBudgetedType ||
- !fResource->getUniqueKey().isValid() || fResource->fRefsWrappedObjects);
- return fResource->fBudgetedType;
- }
- /**
- * Is the resource object wrapping an externally allocated GPU resource?
- */
- bool refsWrappedObjects() const { return fResource->fRefsWrappedObjects; }
- /**
- * If this resource can be used as a scratch resource this returns a valid scratch key.
- * Otherwise it returns a key for which isNullScratch is true. The resource may currently be
- * used as a uniquely keyed resource rather than scratch. Check isScratch().
- */
- const GrScratchKey& getScratchKey() const { return fResource->fScratchKey; }
- /**
- * If the resource has a scratch key, the key will be removed. Since scratch keys are installed
- * at resource creation time, this means the resource will never again be used as scratch.
- */
- void removeScratchKey() const { fResource->removeScratchKey(); }
- bool isPurgeable() const { return fResource->isPurgeable(); }
- bool hasRefOrPendingIO() const { return fResource->hasRefOrPendingIO(); }
- protected:
- ResourcePriv(GrGpuResource* resource) : fResource(resource) { }
- ResourcePriv(const ResourcePriv& that) : fResource(that.fResource) {}
- ResourcePriv& operator=(const CacheAccess&); // unimpl
- // No taking addresses of this type.
- const ResourcePriv* operator&() const;
- ResourcePriv* operator&();
- GrGpuResource* fResource;
- friend class GrGpuResource; // to construct/copy this type.
- };
- inline GrGpuResource::ResourcePriv GrGpuResource::resourcePriv() { return ResourcePriv(this); }
- inline const GrGpuResource::ResourcePriv GrGpuResource::resourcePriv() const {
- return ResourcePriv(const_cast<GrGpuResource*>(this));
- }
- #endif
|