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76 lines
2.4 KiB
76 lines
2.4 KiB
/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkDeferredDisplayList_DEFINED
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#define SkDeferredDisplayList_DEFINED
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#include "SkSurfaceCharacterization.h"
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#if SK_SUPPORT_GPU
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#include "GrCCPerOpListPaths.h"
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#include "GrOpList.h"
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#include <map>
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#endif
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class SkDeferredDisplayListPriv;
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class SkSurface;
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/*
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* This class contains pre-processed gpu operations that can be replayed into
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* an SkSurface via draw(SkDeferredDisplayList*).
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*
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* TODO: we probably need to expose this class so users can query it for memory usage.
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*/
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class SK_API SkDeferredDisplayList {
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public:
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#if SK_SUPPORT_GPU
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// This object is the source from which the lazy proxy backing the DDL will pull its backing
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// texture when the DDL is replayed. It has to be separately ref counted bc the lazy proxy
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// can outlive the DDL.
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class LazyProxyData : public SkRefCnt {
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public:
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// Upon being replayed - this field will be filled in (by the DrawingManager) with the proxy
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// backing the destination SkSurface. Note that, since there is no good place to clear it
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// it can become a dangling pointer.
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GrRenderTargetProxy* fReplayDest = nullptr;
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};
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#else
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class LazyProxyData : public SkRefCnt {};
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#endif
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SkDeferredDisplayList(const SkSurfaceCharacterization& characterization,
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sk_sp<LazyProxyData>);
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~SkDeferredDisplayList();
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const SkSurfaceCharacterization& characterization() const {
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return fCharacterization;
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}
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// Provides access to functions that aren't part of the public API.
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SkDeferredDisplayListPriv priv();
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const SkDeferredDisplayListPriv priv() const;
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private:
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friend class GrDrawingManager; // for access to 'fOpLists' and 'fLazyProxyData'
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friend class SkDeferredDisplayListRecorder; // for access to 'fLazyProxyData'
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friend class SkDeferredDisplayListPriv;
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const SkSurfaceCharacterization fCharacterization;
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#if SK_SUPPORT_GPU
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// This needs to match the same type in GrCoverageCountingPathRenderer.h
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using PendingPathsMap = std::map<uint32_t, sk_sp<GrCCPerOpListPaths>>;
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SkTArray<sk_sp<GrOpList>> fOpLists;
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PendingPathsMap fPendingPaths; // This is the path data from CCPR.
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#endif
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sk_sp<LazyProxyData> fLazyProxyData;
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};
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#endif
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