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1 /*
2  * Copyright 2019 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #ifndef GrRecordingContextPriv_DEFINED
9 #define GrRecordingContextPriv_DEFINED
10 
11 #include "include/core/SkPaint.h"
12 #include "include/gpu/GrRecordingContext.h"
13 #include "src/gpu/text/GrSDFTControl.h"
14 
15 class SkDeferredDisplayList;
16 
17 /** Class that exposes methods to GrRecordingContext that are only intended for use internal to
18     Skia. This class is purely a privileged window into GrRecordingContext. It should never have
19     additional data members or virtual methods. */
20 class GrRecordingContextPriv {
21 public:
22     // from GrContext_Base
contextID()23     uint32_t contextID() const { return fContext->contextID(); }
24 
matches(GrContext_Base * candidate)25     bool matches(GrContext_Base* candidate) const { return fContext->matches(candidate); }
26 
options()27     const GrContextOptions& options() const { return fContext->options(); }
28 
caps()29     const GrCaps* caps() const { return fContext->caps(); }
30     sk_sp<const GrCaps> refCaps() const;
31 
asImageContext()32     GrImageContext* asImageContext() { return fContext->asImageContext(); }
asRecordingContext()33     GrRecordingContext* asRecordingContext() { return fContext->asRecordingContext(); }
34 
35     // from GrRecordingContext
proxyProvider()36     GrProxyProvider* proxyProvider() { return fContext->proxyProvider(); }
proxyProvider()37     const GrProxyProvider* proxyProvider() const { return fContext->proxyProvider(); }
38 
39     /** This is only useful for debug purposes */
SkDEBUGCODE(GrSingleOwner * singleOwner ()const{ return fContext->singleOwner(); } )40     SkDEBUGCODE(GrSingleOwner* singleOwner() const { return fContext->singleOwner(); } )
41 
42     // from GrRecordingContext
43     GrDrawingManager* drawingManager() { return fContext->drawingManager(); }
44 
recordTimeAllocator()45     SkArenaAlloc* recordTimeAllocator() { return fContext->arenas().recordTimeAllocator(); }
recordTimeSubRunAllocator()46     GrSubRunAllocator* recordTimeSubRunAllocator() {
47         return fContext->arenas().recordTimeSubRunAllocator();
48     }
arenas()49     GrRecordingContext::Arenas arenas() { return fContext->arenas(); }
50 
detachArenas()51     GrRecordingContext::OwnedArenas&& detachArenas() { return fContext->detachArenas(); }
52 
recordProgramInfo(const GrProgramInfo * programInfo)53     void recordProgramInfo(const GrProgramInfo* programInfo) {
54         fContext->recordProgramInfo(programInfo);
55     }
56 
detachProgramData(SkTArray<GrRecordingContext::ProgramData> * dst)57     void detachProgramData(SkTArray<GrRecordingContext::ProgramData>* dst) {
58         fContext->detachProgramData(dst);
59     }
60 
getTextBlobCache()61     GrTextBlobCache* getTextBlobCache() { return fContext->getTextBlobCache(); }
62 
threadSafeCache()63     GrThreadSafeCache* threadSafeCache() { return fContext->threadSafeCache(); }
64 
65     void moveRenderTasksToDDL(SkDeferredDisplayList*);
66 
67     /**
68      * Registers an object for flush-related callbacks. (See GrOnFlushCallbackObject.)
69      *
70      * NOTE: the drawing manager tracks this object as a raw pointer; it is up to the caller to
71      * ensure its lifetime is tied to that of the context.
72      */
73     void addOnFlushCallbackObject(GrOnFlushCallbackObject*);
74 
auditTrail()75     GrAuditTrail* auditTrail() { return fContext->auditTrail(); }
76 
77 #if GR_TEST_UTILS
78     // Used by tests that intentionally exercise codepaths that print warning messages, in order to
79     // not confuse users with output that looks like a testing failure.
80     class AutoSuppressWarningMessages {
81     public:
AutoSuppressWarningMessages(GrRecordingContext * context)82         AutoSuppressWarningMessages(GrRecordingContext* context) : fContext(context) {
83             ++fContext->fSuppressWarningMessages;
84         }
~AutoSuppressWarningMessages()85         ~AutoSuppressWarningMessages() {
86             --fContext->fSuppressWarningMessages;
87         }
88     private:
89         GrRecordingContext* fContext;
90     };
incrSuppressWarningMessages()91     void incrSuppressWarningMessages() { ++fContext->fSuppressWarningMessages; }
decrSuppressWarningMessages()92     void decrSuppressWarningMessages() { --fContext->fSuppressWarningMessages; }
93 #endif
94 
printWarningMessage(const char * msg)95     void printWarningMessage(const char* msg) const {
96 #if GR_TEST_UTILS
97         if (fContext->fSuppressWarningMessages > 0) {
98             return;
99         }
100 #endif
101         SkDebugf(msg);
102     }
103 
stats()104     GrRecordingContext::Stats* stats() {
105         return &fContext->fStats;
106     }
107 
108 #if GR_GPU_STATS && GR_TEST_UTILS
109     using DMSAAStats = GrRecordingContext::DMSAAStats;
dmsaaStats()110     DMSAAStats& dmsaaStats() { return fContext->fDMSAAStats; }
111 #endif
112 
113     GrSDFTControl getSDFTControl(bool useSDFTForSmallText) const;
114 
115     /**
116      * Create a GrRecordingContext without a resource cache
117      */
118     static sk_sp<GrRecordingContext> MakeDDL(sk_sp<GrContextThreadSafeProxy>);
119 
120 private:
GrRecordingContextPriv(GrRecordingContext * context)121     explicit GrRecordingContextPriv(GrRecordingContext* context) : fContext(context) {}
122     GrRecordingContextPriv(const GrRecordingContextPriv&) = delete;
123     GrRecordingContextPriv& operator=(const GrRecordingContextPriv&) = delete;
124 
125     // No taking addresses of this type.
126     const GrRecordingContextPriv* operator&() const;
127     GrRecordingContextPriv* operator&();
128 
129     GrRecordingContext* fContext;
130 
131     friend class GrRecordingContext; // to construct/copy this type.
132 };
133 
priv()134 inline GrRecordingContextPriv GrRecordingContext::priv() { return GrRecordingContextPriv(this); }
135 
priv()136 inline const GrRecordingContextPriv GrRecordingContext::priv () const {  // NOLINT(readability-const-return-type)
137     return GrRecordingContextPriv(const_cast<GrRecordingContext*>(this));
138 }
139 
140 #endif
141