| /* |
| * 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 "../private/GrResourceKey.h" |
| #include "GrBackendSurface.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: |
| SkPromiseImageTexture() = default; |
| SkPromiseImageTexture(const SkPromiseImageTexture&) = delete; |
| explicit SkPromiseImageTexture(const GrBackendTexture& backendTexture); |
| SkPromiseImageTexture(SkPromiseImageTexture&&); |
| ~SkPromiseImageTexture(); |
| SkPromiseImageTexture& operator=(const SkPromiseImageTexture&) = delete; |
| SkPromiseImageTexture& operator=(SkPromiseImageTexture&&); |
| const GrBackendTexture& backendTexture() const { return fBackendTexture; } |
| bool isValid() const { return SkToBool(fUniqueID); } |
| |
| void addKeyToInvalidate(uint32_t contextID, const GrUniqueKey& key); |
| uint32_t uniqueID() const { return fUniqueID; } |
| |
| #if GR_TEST_UTILS |
| SkTArray<GrUniqueKey> testingOnly_uniqueKeysToInvalidate() const; |
| #endif |
| |
| private: |
| SkSTArray<1, GrUniqueKeyInvalidatedMessage> fMessages; |
| GrBackendTexture fBackendTexture; |
| uint32_t fUniqueID = SK_InvalidUniqueID; |
| static std::atomic<uint32_t> gUniqueID; |
| }; |
| #endif |
| |
| #endif |