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- /*
- * Copyright 2018 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #ifndef GrCCClipPath_DEFINED
- #define GrCCClipPath_DEFINED
- #include "include/core/SkPath.h"
- #include "src/gpu/GrTextureProxy.h"
- #include "src/gpu/ccpr/GrCCAtlas.h"
- struct GrCCPerFlushResourceSpecs;
- class GrCCPerFlushResources;
- class GrOnFlushResourceProvider;
- class GrProxyProvider;
- /**
- * These are keyed by SkPath generation ID, and store which device-space paths are accessed and
- * where by clip FPs in a given opList. A single GrCCClipPath can be referenced by multiple FPs. At
- * flush time their coverage count masks are packed into atlas(es) alongside normal DrawPathOps.
- */
- class GrCCClipPath {
- public:
- GrCCClipPath() = default;
- GrCCClipPath(const GrCCClipPath&) = delete;
- ~GrCCClipPath() {
- // Ensure no clip FP exists with a dangling pointer back into this class. This works because
- // a clip FP will have a ref on the proxy if it exists.
- //
- // This assert also guarantees there won't be a lazy proxy callback with a dangling pointer
- // back into this class, since no proxy will exist after we destruct, if the assert passes.
- SkASSERT(!fAtlasLazyProxy || fAtlasLazyProxy->unique());
- }
- bool isInitialized() const { return fAtlasLazyProxy != nullptr; }
- void init(const SkPath& deviceSpacePath, const SkIRect& accessRect,
- GrCCAtlas::CoverageType atlasCoverageType, const GrCaps&);
- void addAccess(const SkIRect& accessRect) {
- SkASSERT(this->isInitialized());
- fAccessRect.join(accessRect);
- }
- GrTextureProxy* atlasLazyProxy() const {
- SkASSERT(this->isInitialized());
- return fAtlasLazyProxy.get();
- }
- const SkPath& deviceSpacePath() const {
- SkASSERT(this->isInitialized());
- return fDeviceSpacePath;
- }
- const SkIRect& pathDevIBounds() const {
- SkASSERT(this->isInitialized());
- return fPathDevIBounds;
- }
- void accountForOwnPath(GrCCPerFlushResourceSpecs*) const;
- void renderPathInAtlas(GrCCPerFlushResources*, GrOnFlushResourceProvider*);
- const SkVector& atlasScale() const { SkASSERT(fHasAtlasTransform); return fAtlasScale; }
- const SkVector& atlasTranslate() const { SkASSERT(fHasAtlasTransform); return fAtlasTranslate; }
- private:
- sk_sp<GrTextureProxy> fAtlasLazyProxy;
- SkPath fDeviceSpacePath;
- SkIRect fPathDevIBounds;
- SkIRect fAccessRect;
- const GrCCAtlas* fAtlas = nullptr;
- SkIVector fDevToAtlasOffset; // Translation from device space to location in atlas.
- SkDEBUGCODE(bool fHasAtlas = false;)
- SkVector fAtlasScale;
- SkVector fAtlasTranslate;
- SkDEBUGCODE(bool fHasAtlasTransform = false;)
- };
- #endif
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