| /* |
| * 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 SkDeferredDisplayList_DEFINED |
| #define SkDeferredDisplayList_DEFINED |
| |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkSurfaceCharacterization.h" |
| #include "include/core/SkTypes.h" |
| |
| class SkDeferredDisplayListPriv; |
| |
| #if defined(SK_GANESH) |
| #include "include/gpu/GrRecordingContext.h" |
| #include "include/private/base/SkTArray.h" |
| #include <map> |
| class GrRenderTask; |
| class GrRenderTargetProxy; |
| #else |
| using GrRenderTargetProxy = SkRefCnt; |
| #endif |
| |
| /* |
| * This class contains pre-processed gpu operations that can be replayed into |
| * an SkSurface via SkSurface::draw(SkDeferredDisplayList*). |
| */ |
| class SkDeferredDisplayList : public SkNVRefCnt<SkDeferredDisplayList> { |
| public: |
| SK_API ~SkDeferredDisplayList(); |
| |
| SK_API const SkSurfaceCharacterization& characterization() const { |
| return fCharacterization; |
| } |
| |
| #if defined(SK_GANESH) |
| /** |
| * Iterate through the programs required by the DDL. |
| */ |
| class SK_API ProgramIterator { |
| public: |
| ProgramIterator(GrDirectContext*, SkDeferredDisplayList*); |
| ~ProgramIterator(); |
| |
| // This returns true if any work was done. Getting a cache hit does not count as work. |
| bool compile(); |
| bool done() const; |
| void next(); |
| |
| private: |
| GrDirectContext* fDContext; |
| const SkTArray<GrRecordingContext::ProgramData>& fProgramData; |
| int fIndex; |
| }; |
| #endif |
| |
| // Provides access to functions that aren't part of the public API. |
| SkDeferredDisplayListPriv priv(); |
| const SkDeferredDisplayListPriv priv() const; // NOLINT(readability-const-return-type) |
| |
| private: |
| friend class GrDrawingManager; // for access to 'fRenderTasks', 'fLazyProxyData', 'fArenas' |
| friend class SkDeferredDisplayListRecorder; // for access to 'fLazyProxyData' |
| friend class SkDeferredDisplayListPriv; |
| |
| // This object is the source from which the lazy proxy backing the DDL will pull its backing |
| // texture when the DDL is replayed. It has to be separately ref counted bc the lazy proxy |
| // can outlive the DDL. |
| class LazyProxyData : public SkRefCnt { |
| #if defined(SK_GANESH) |
| public: |
| // Upon being replayed - this field will be filled in (by the DrawingManager) with the |
| // proxy backing the destination SkSurface. Note that, since there is no good place to |
| // clear it, it can become a dangling pointer. Additionally, since the renderTargetProxy |
| // doesn't get a ref here, the SkSurface that owns it must remain alive until the DDL |
| // is flushed. |
| // TODO: the drawing manager could ref the renderTargetProxy for the DDL and then add |
| // a renderingTask to unref it after the DDL's ops have been executed. |
| GrRenderTargetProxy* fReplayDest = nullptr; |
| #endif |
| }; |
| |
| SK_API SkDeferredDisplayList(const SkSurfaceCharacterization& characterization, |
| sk_sp<GrRenderTargetProxy> fTargetProxy, |
| sk_sp<LazyProxyData>); |
| |
| #if defined(SK_GANESH) |
| const SkTArray<GrRecordingContext::ProgramData>& programData() const { |
| return fProgramData; |
| } |
| #endif |
| |
| const SkSurfaceCharacterization fCharacterization; |
| |
| #if defined(SK_GANESH) |
| // These are ordered such that the destructor cleans op tasks up first (which may refer back |
| // to the arena and memory pool in their destructors). |
| GrRecordingContext::OwnedArenas fArenas; |
| SkTArray<sk_sp<GrRenderTask>> fRenderTasks; |
| |
| SkTArray<GrRecordingContext::ProgramData> fProgramData; |
| sk_sp<GrRenderTargetProxy> fTargetProxy; |
| sk_sp<LazyProxyData> fLazyProxyData; |
| #endif |
| }; |
| |
| #endif |