blob: 0a5ab31474db2557d2c4b06ed5ac486515aebe47 [file] [log] [blame]
* 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/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 {
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 {
explicit GrOnFlushResourceProvider(GrDrawingManager* drawingMgr) : fDrawingMgr(drawingMgr) {}
bool instatiateProxy(GrSurfaceProxy*);
const GrCaps* caps() const;
GrOnFlushResourceProvider(const GrOnFlushResourceProvider&) = delete;
GrOnFlushResourceProvider& operator=(const GrOnFlushResourceProvider&) = delete;
GrDrawingManager* fDrawingMgr;