sk_sp<GrTextureProxy> GrTextureAdjuster::refTextureProxyCopy(const CopyParams& copyParams,
bool willBeMipped) {
GrProxyProvider* proxyProvider = fContext->contextPriv().proxyProvider();
GrUniqueKey key;
this->makeCopyKey(copyParams, &key, nullptr);
if (key.isValid()) {
sk_sp<GrTextureProxy> cachedCopy =
proxyProvider->findOrCreateProxyByUniqueKey(key, this->originalProxy()->origin());
if (cachedCopy) {
return cachedCopy;
}
}
sk_sp<GrTextureProxy> proxy = this->originalProxyRef();
sk_sp<GrTextureProxy> copy = CopyOnGpu(fContext, std::move(proxy), copyParams, willBeMipped);
if (copy) {
if (key.isValid()) {
SkASSERT(copy->origin() == this->originalProxy()->origin());
proxyProvider->assignUniqueKeyToProxy(key, copy.get());
this->didCacheCopy(key);
}
}
return copy;
}
/*
* We have 4 ways to try to return a texture (in sorted order)
*
* 1. Check the cache for a pre-existing one
* 2. Ask the generator to natively create one
* 3. Ask the generator to return YUV planes, which the GPU can convert
* 4. Ask the generator to return RGB(A) data, which the GPU can convert
*/
sk_sp<GrTextureProxy> SkImage_Lazy::lockTextureProxy(GrContext* ctx,
const GrUniqueKey& origKey,
SkImage::CachingHint chint,
bool willBeMipped,
SkColorSpace* dstColorSpace,
GrTextureMaker::AllowedTexGenType genType) {
// Values representing the various texture lock paths we can take. Used for logging the path
// taken to a histogram.
enum LockTexturePath {
kFailure_LockTexturePath,
kPreExisting_LockTexturePath,
kNative_LockTexturePath,
kCompressed_LockTexturePath, // Deprecated
kYUV_LockTexturePath,
kRGBA_LockTexturePath,
};
enum { kLockTexturePathCount = kRGBA_LockTexturePath + 1 };
// Determine which cached format we're going to use (which may involve decoding to a different
// info than the generator provides).
CachedFormat format = this->chooseCacheFormat(dstColorSpace, ctx->caps());
// Fold the cache format into our texture key
GrUniqueKey key;
this->makeCacheKeyFromOrigKey(origKey, format, &key);
GrProxyProvider* proxyProvider = ctx->contextPriv().proxyProvider();
sk_sp<GrTextureProxy> proxy;
// 1. Check the cache for a pre-existing one
if (key.isValid()) {
proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kTopLeft_GrSurfaceOrigin);
if (proxy) {
SK_HISTOGRAM_ENUMERATION("LockTexturePath", kPreExisting_LockTexturePath,
kLockTexturePathCount);
if (!willBeMipped || GrMipMapped::kYes == proxy->mipMapped()) {
return proxy;
}
}
}
// The CachedFormat is both an index for which cache "slot" we'll use to store this particular
// decoded variant of the encoded data, and also a recipe for how to transform the original
// info to get the one that we're going to decode to.
const SkImageInfo cacheInfo = this->buildCacheInfo(format);
SkImageInfo genPixelsInfo = cacheInfo;
SkTransferFunctionBehavior behavior = getGeneratorBehaviorAndInfo(&genPixelsInfo);
// 2. Ask the generator to natively create one
if (!proxy) {
ScopedGenerator generator(fSharedGenerator);
if (GrTextureMaker::AllowedTexGenType::kCheap == genType &&
SkImageGenerator::TexGenType::kCheap != generator->onCanGenerateTexture()) {
return nullptr;
}
if ((proxy = generator->generateTexture(ctx, genPixelsInfo, fOrigin, behavior,
willBeMipped))) {
SK_HISTOGRAM_ENUMERATION("LockTexturePath", kNative_LockTexturePath,
kLockTexturePathCount);
set_key_on_proxy(proxyProvider, proxy.get(), nullptr, key);
if (!willBeMipped || GrMipMapped::kYes == proxy->mipMapped()) {
return proxy;
}
}
}
// 3. Ask the generator to return YUV planes, which the GPU can convert. If we will be mipping
// the texture we fall through here and have the CPU generate the mip maps for us.
if (!proxy && !willBeMipped && !ctx->contextPriv().disableGpuYUVConversion()) {
const GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(cacheInfo, *ctx->caps());
ScopedGenerator generator(fSharedGenerator);
Generator_GrYUVProvider provider(generator);
// The pixels in the texture will be in the generator's color space. If onMakeColorSpace
// has been called then this will not match this image's color space. To correct this, apply
// a color space conversion from the generator's color space to this image's color space.
const SkColorSpace* generatorColorSpace =
fSharedGenerator->fGenerator->getInfo().colorSpace();
const SkColorSpace* thisColorSpace = fInfo.colorSpace();
// TODO: Update to create the mipped surface in the YUV generator and draw the base layer
// directly into the mipped surface.
proxy = provider.refAsTextureProxy(ctx, desc, generatorColorSpace, thisColorSpace);
if (proxy) {
SK_HISTOGRAM_ENUMERATION("LockTexturePath", kYUV_LockTexturePath,
kLockTexturePathCount);
set_key_on_proxy(proxyProvider, proxy.get(), nullptr, key);
return proxy;
}
}
// 4. Ask the generator to return RGB(A) data, which the GPU can convert
SkBitmap bitmap;
if (!proxy && this->lockAsBitmap(&bitmap, chint, format, genPixelsInfo, behavior)) {
if (willBeMipped) {
proxy = proxyProvider->createMipMapProxyFromBitmap(bitmap, dstColorSpace);
}
if (!proxy) {
proxy = GrUploadBitmapToTextureProxy(proxyProvider, bitmap, dstColorSpace);
}
if (proxy && (!willBeMipped || GrMipMapped::kYes == proxy->mipMapped())) {
SK_HISTOGRAM_ENUMERATION("LockTexturePath", kRGBA_LockTexturePath,
kLockTexturePathCount);
set_key_on_proxy(proxyProvider, proxy.get(), nullptr, key);
return proxy;
}
}
if (proxy) {
// We need a mipped proxy, but we either found a proxy earlier that wasn't mipped, generated
// a native non mipped proxy, or generated a non-mipped yuv proxy. Thus we generate a new
// mipped surface and copy the original proxy into the base layer. We will then let the gpu
// generate the rest of the mips.
SkASSERT(willBeMipped);
SkASSERT(GrMipMapped::kNo == proxy->mipMapped());
if (auto mippedProxy = GrCopyBaseMipMapToTextureProxy(ctx, proxy.get())) {
set_key_on_proxy(proxyProvider, mippedProxy.get(), proxy.get(), key);
return mippedProxy;
}
// We failed to make a mipped proxy with the base copied into it. This could have
// been from failure to make the proxy or failure to do the copy. Thus we will fall
// back to just using the non mipped proxy; See skbug.com/7094.
return proxy;
}
SK_HISTOGRAM_ENUMERATION("LockTexturePath", kFailure_LockTexturePath,
kLockTexturePathCount);
return nullptr;
}
// This tests the basic capabilities of the uniquely keyed texture proxies. Does assigning
// and looking them up work, etc.
static void basic_test(GrContext* context,
skiatest::Reporter* reporter,
sk_sp<GrTextureProxy> proxy) {
static int id = 1;
GrResourceProvider* resourceProvider = context->priv().resourceProvider();
GrProxyProvider* proxyProvider = context->priv().proxyProvider();
GrResourceCache* cache = context->priv().getResourceCache();
int startCacheCount = cache->getResourceCount();
GrUniqueKey key;
if (proxy->getUniqueKey().isValid()) {
key = proxy->getUniqueKey();
} else {
GrMakeKeyFromImageID(&key, id, SkIRect::MakeWH(64, 64));
++id;
// Assigning the uniqueKey adds the proxy to the hash but doesn't force instantiation
REPORTER_ASSERT(reporter, !proxyProvider->numUniqueKeyProxies_TestOnly());
SkAssertResult(proxyProvider->assignUniqueKeyToProxy(key, proxy.get()));
}
REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
REPORTER_ASSERT(reporter, startCacheCount == cache->getResourceCount());
// setUniqueKey had better stick
REPORTER_ASSERT(reporter, key == proxy->getUniqueKey());
// We just added it, surely we can find it
REPORTER_ASSERT(reporter, proxyProvider->findOrCreateProxyByUniqueKey(
key, kBottomLeft_GrSurfaceOrigin));
REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
int expectedCacheCount = startCacheCount + (proxy->isInstantiated() ? 0 : 1);
// Once instantiated, the backing resource should have the same key
SkAssertResult(proxy->instantiate(resourceProvider));
const GrUniqueKey texKey = proxy->peekSurface()->getUniqueKey();
REPORTER_ASSERT(reporter, texKey.isValid());
REPORTER_ASSERT(reporter, key == texKey);
// An Unbudgeted-cacheable resource will not get purged when a proxy with the same key is
// deleted.
bool expectResourceToOutliveProxy = proxy->peekSurface()->resourcePriv().budgetedType() ==
GrBudgetedType::kUnbudgetedCacheable;
// An Unbudgeted-uncacheable resource is never kept alive if it's ref cnt reaches zero even if
// it has a key.
bool expectDeletingProxyToDeleteResource =
proxy->peekSurface()->resourcePriv().budgetedType() ==
GrBudgetedType::kUnbudgetedUncacheable;
// deleting the proxy should delete it from the hash but not the cache
proxy = nullptr;
if (expectDeletingProxyToDeleteResource) {
expectedCacheCount -= 1;
}
REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());
// If the proxy was cached refinding it should bring it back to life
proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
REPORTER_ASSERT(reporter, proxy);
REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());
// Mega-purging it should remove it from both the hash and the cache
proxy = nullptr;
cache->purgeAllUnlocked();
if (!expectResourceToOutliveProxy) {
expectedCacheCount--;
}
REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());
// If the texture was deleted then the proxy should no longer be findable. Otherwise, it should
// be.
proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
REPORTER_ASSERT(reporter, expectResourceToOutliveProxy ? (bool)proxy : !proxy);
REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());
if (expectResourceToOutliveProxy) {
proxy.reset();
GrUniqueKeyInvalidatedMessage msg(texKey, context->priv().contextID());
SkMessageBus<GrUniqueKeyInvalidatedMessage>::Post(msg);
cache->purgeAsNeeded();
expectedCacheCount--;
proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
REPORTER_ASSERT(reporter, !proxy);
REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());
}
}
