bool GrResourceCache::addResource(const GrResourceKey& key, GrGpuResource* resource) {
if (NULL != resource->cacheAccess().getCacheEntry()) {
return false;
}
if (key.isScratch()) {
SkASSERT(resource->cacheAccess().isScratch());
SkASSERT(key == resource->cacheAccess().getScratchKey());
} else {
if (!resource->cacheAccess().setContentKey(key)) {
return false;
}
}
// we don't expect to create new resources during a purge. In theory
// this could cause purgeAsNeeded() into an infinite loop (e.g.
// each resource destroyed creates and locks 2 resources and
// unlocks 1 thereby causing a new purge).
SkASSERT(!fPurging);
GrAutoResourceCacheValidate atcv(this);
GrResourceCacheEntry* entry = SkNEW_ARGS(GrResourceCacheEntry, (this, resource));
resource->cacheAccess().setCacheEntry(entry);
this->attachToHead(entry);
this->purgeAsNeeded();
return true;
}
bool GrTexture::NeedsFiltering(const GrResourceKey& key) {
return 0 != (key.getValue32(3) & kFilter_TextureBit);
}
bool GrTexture::IsScratchTexture(const GrResourceKey& key) {
return 0 != (key.getValue32(3) & kScratch_TextureBit);
}
bool GrTexture::NeedsResizing(const GrResourceKey& key) {
return 0 != (key.getValue32(3) & kNPOT_TextureBit);
}
void GrGpuResource::setScratchKey(const GrResourceKey& scratchKey) {
SkASSERT(fScratchKey.isNullScratch());
SkASSERT(scratchKey.isScratch());
SkASSERT(!scratchKey.isNullScratch());
fScratchKey = scratchKey;
}
bool GrTexture::NeedsFiltering(const GrResourceKey& key) {
return SkToBool(key.getResourceFlags() & kFilter_TextureFlag);
}
bool GrTexture::NeedsResizing(const GrResourceKey& key) {
return SkToBool(key.getResourceFlags() & kStretchToPOT_TextureFlag);
}
bool GrTexture::NeedsBilerp(const GrResourceKey& key) {
return SkToBool(key.getResourceFlags() & kBilerp_TextureFlag);
}
