| /* |
| * 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/SkRefCnt.h" |
| #include "include/core/SkSpan.h" |
| #include "include/private/SkTArray.h" |
| #include "src/gpu/GrDeferredUpload.h" |
| #include "src/gpu/GrOpFlushState.h" |
| #include "src/gpu/GrResourceProvider.h" |
| |
| class GrDrawingManager; |
| class GrOnFlushResourceProvider; |
| class GrSurfaceDrawContext; |
| class GrSurfaceProxy; |
| class SkColorSpace; |
| class SkSurfaceProps; |
| |
| /* |
| * 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. All the GrRenderTask IDs required for the flush are passed into the |
| * callback. |
| */ |
| virtual void preFlush(GrOnFlushResourceProvider*, SkSpan<const uint32_t> renderTaskIDs) = 0; |
| |
| /** |
| * Called once flushing is complete and all renderTasks indicated by preFlush have been executed |
| * and released. startTokenForNextFlush can be used to track resources used in the current |
| * flush. |
| */ |
| virtual void postFlush(GrDeferredUploadToken startTokenForNextFlush, |
| SkSpan<const uint32_t> renderTaskIDs) {} |
| |
| /** |
| * 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: |
| using UseAllocator = GrSurfaceProxy::UseAllocator; |
| |
| explicit GrOnFlushResourceProvider(GrDrawingManager* drawingMgr) : fDrawingMgr(drawingMgr) {} |
| |
| std::unique_ptr<GrSurfaceDrawContext> makeSurfaceDrawContext(sk_sp<GrSurfaceProxy>, |
| GrSurfaceOrigin, GrColorType, |
| sk_sp<SkColorSpace>, |
| const SkSurfaceProps&); |
| |
| void addTextureResolveTask(sk_sp<GrTextureProxy>, GrSurfaceProxy::ResolveFlags); |
| |
| // Proxy unique key management. See GrProxyProvider.h. |
| bool assignUniqueKeyToProxy(const GrUniqueKey&, GrTextureProxy*); |
| void removeUniqueKeyFromProxy(GrTextureProxy*); |
| void processInvalidUniqueKey(const GrUniqueKey&); |
| sk_sp<GrTextureProxy> findOrCreateProxyByUniqueKey(const GrUniqueKey&, UseAllocator); |
| |
| bool instatiateProxy(GrSurfaceProxy*); |
| |
| // Creates a GPU buffer with a "dynamic" access pattern. |
| sk_sp<GrGpuBuffer> makeBuffer(GrGpuBufferType, size_t, const void* data = nullptr); |
| |
| // Either finds and refs, or creates a static GPU buffer with the given data. |
| sk_sp<const GrGpuBuffer> findOrMakeStaticBuffer(GrGpuBufferType, size_t, const void* data, |
| const GrUniqueKey&); |
| |
| uint32_t contextID() const; |
| const GrCaps* caps() const; |
| GrRecordingContext* recordingContext() const; |
| |
| void printWarningMessage(const char* msg) const; |
| |
| private: |
| GrOnFlushResourceProvider(const GrOnFlushResourceProvider&) = delete; |
| GrOnFlushResourceProvider& operator=(const GrOnFlushResourceProvider&) = delete; |
| |
| GrDrawingManager* fDrawingMgr; |
| }; |
| |
| #endif |