/* * Copyright 2017 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #ifndef SkPromiseImageTexture_DEFINED #define SkPromiseImageTexture_DEFINED #include "include/core/SkRefCnt.h" #include "include/gpu/GrBackendSurface.h" #include "include/private/GrResourceKey.h" #if SK_SUPPORT_GPU /** * This type is used to fulfill textures for PromiseImages. Once an instance is returned from a * PromiseImageTextureFulfillProc it must remain valid until the corresponding * PromiseImageTextureReleaseProc is called. For performance reasons it is recommended that the * the client reuse a single PromiseImageTexture every time a given texture is returned by * the PromiseImageTextureFulfillProc rather than recreating PromiseImageTextures representing * the same underlying backend API texture. */ class SK_API SkPromiseImageTexture : public SkNVRefCnt { public: SkPromiseImageTexture() = delete; SkPromiseImageTexture(const SkPromiseImageTexture&) = delete; SkPromiseImageTexture(SkPromiseImageTexture&&) = delete; ~SkPromiseImageTexture(); SkPromiseImageTexture& operator=(const SkPromiseImageTexture&) = delete; SkPromiseImageTexture& operator=(SkPromiseImageTexture&&) = delete; static sk_sp Make(const GrBackendTexture& backendTexture) { if (!backendTexture.isValid()) { return nullptr; } return sk_sp(new SkPromiseImageTexture(backendTexture)); } const GrBackendTexture& backendTexture() const { return fBackendTexture; } void addKeyToInvalidate(uint32_t contextID, const GrUniqueKey& key); uint32_t uniqueID() const { return fUniqueID; } #if GR_TEST_UTILS SkTArray testingOnly_uniqueKeysToInvalidate() const; #endif private: explicit SkPromiseImageTexture(const GrBackendTexture& backendTexture); SkSTArray<1, GrUniqueKeyInvalidatedMessage> fMessages; GrBackendTexture fBackendTexture; uint32_t fUniqueID = SK_InvalidUniqueID; static std::atomic gUniqueID; }; #endif #endif