blob: 32e5ae49f7afc3a0174ae55f5516a897aedee1d7 [file] [log] [blame]
* 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 opsTask. 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 {
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) {
GrTextureProxy* atlasLazyProxy() const {
return fAtlasLazyProxy.get();
const SkPath& deviceSpacePath() const {
return fDeviceSpacePath;
const SkIRect& pathDevIBounds() const {
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; }
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;)