sk_sp<GrTextureProxy> GrBitmapTextureMaker::refOriginalTextureProxy(bool willBeMipped, SkColorSpace* dstColorSpace, AllowedTexGenType onlyIfFast) { if (AllowedTexGenType::kCheap == onlyIfFast) { return nullptr; } sk_sp<GrTextureProxy> proxy; if (fOriginalKey.isValid()) { proxy = this->context()->resourceProvider()->findProxyByUniqueKey(fOriginalKey); if (proxy) { return proxy; } } if (willBeMipped) { proxy = GrGenerateMipMapsAndUploadToTextureProxy(this->context(), fBitmap, dstColorSpace); } if (!proxy) { proxy = GrUploadBitmapToTextureProxy(this->context()->resourceProvider(), fBitmap, dstColorSpace); } if (proxy && fOriginalKey.isValid()) { this->context()->resourceProvider()->assignUniqueKeyToProxy(fOriginalKey, proxy.get()); // MDB TODO (caching): this has to play nice with the GrSurfaceProxy's caching GrInstallBitmapUniqueKeyInvalidator(fOriginalKey, fBitmap.pixelRef()); } return proxy; }
/* * 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; }