| /* |
| * 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 GrOnFlushResourceProvider_DEFINED |
| #define GrOnFlushResourceProvider_DEFINED |
| |
| #include "include/core/SkSpan.h" |
| #include "src/gpu/ganesh/GrDeferredUpload.h" |
| |
| class GrCaps; |
| class GrDrawingManager; |
| class GrOnFlushResourceProvider; |
| class GrSurfaceProxy; |
| |
| /* |
| * This is the base class from which all pre-flush callback objects must be derived. It |
| * provides the "preFlush" / "postFlush" interface. |
| */ |
| class GrOnFlushCallbackObject { |
| public: |
| virtual ~GrOnFlushCallbackObject() {} |
| |
| /* |
| * The preFlush callback allows subsystems (e.g., text, path renderers) to create atlases |
| * for a specific flush. |
| * |
| * Returns true on success; false on memory allocation failure |
| */ |
| virtual bool preFlush(GrOnFlushResourceProvider*) = 0; |
| |
| /** |
| * Called once flushing is complete. startTokenForNextFlush can be used to track resources |
| * used in the current flush. |
| */ |
| virtual void postFlush(skgpu::AtlasToken startTokenForNextFlush) {} |
| |
| /** |
| * Tells the callback owner to hold onto this object when freeing GPU resources. |
| */ |
| virtual bool retainOnFreeGpuResources() { return false; } |
| }; |
| |
| /* |
| * This class is a shallow wrapper around the drawing manager. It is passed into the |
| * onFlush callbacks and is intended to limit the functionality available to them. |
| * It should never have additional data members or virtual methods. |
| */ |
| class GrOnFlushResourceProvider { |
| public: |
| explicit GrOnFlushResourceProvider(GrDrawingManager* drawingMgr) : fDrawingMgr(drawingMgr) {} |
| |
| [[nodiscard]] bool instantiateProxy(GrSurfaceProxy*); |
| |
| const GrCaps* caps() const; |
| |
| #if defined(GR_TEST_UTILS) |
| bool failFlushTimeCallbacks() const; |
| #endif |
| |
| private: |
| GrOnFlushResourceProvider(const GrOnFlushResourceProvider&) = delete; |
| GrOnFlushResourceProvider& operator=(const GrOnFlushResourceProvider&) = delete; |
| |
| GrDrawingManager* fDrawingMgr; |
| }; |
| |
| #endif |