1/*
2 * Copyright 2017 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 GrSurfaceProxyPriv_DEFINED
9#define GrSurfaceProxyPriv_DEFINED
10
11#include "src/gpu/GrSurfaceProxy.h"
12
13class GrResourceProvider;
14
15/** Class that adds methods to GrSurfaceProxy that are only intended for use internal to Skia.
16    This class is purely a privileged window into GrSurfaceProxy. It should never have additional
17    data members or virtual methods. */
18class SK_API GrSurfaceProxyPriv {
19public:
20    void computeScratchKey(const GrCaps& caps, GrScratchKey* key) const {
21        return fProxy->computeScratchKey(caps, key);
22    }
23
24    // Create a GrSurface-derived class that meets the requirements (i.e, desc, renderability)
25    // of the GrSurfaceProxy.
26    sk_sp<GrSurface> createSurface(GrResourceProvider* resourceProvider) const {
27        return fProxy->createSurface(resourceProvider);
28    }
29
30    // Assign this proxy the provided GrSurface as its backing surface
31    void assign(sk_sp<GrSurface> surface) { fProxy->assign(std::move(surface)); }
32
33    // Don't abuse this call!!!!!!!
34    bool isExact() const { return SkBackingFit::kExact == fProxy->fFit; }
35
36    // Don't. Just don't.
37    void exactify(bool allocatedCaseOnly);
38
39    void setLazyDimensions(SkISize dimensions) { fProxy->setLazyDimensions(dimensions); }
40
41    bool doLazyInstantiation(GrResourceProvider*);
42
43    void setIsDDLTarget() { fProxy->fIsDDLTarget = true; }
44
45    void setIsPromiseProxy() { fProxy->fIsPromiseProxy = true; }
46
47private:
48    explicit GrSurfaceProxyPriv(GrSurfaceProxy* proxy) : fProxy(proxy) {}
49    // Required until C++17 copy elision
50    GrSurfaceProxyPriv(const GrSurfaceProxyPriv&) = default;
51    GrSurfaceProxyPriv& operator=(const GrSurfaceProxyPriv&) = delete;
52
53    // No taking addresses of this type.
54    const GrSurfaceProxyPriv* operator&() const;
55    GrSurfaceProxyPriv* operator&();
56
57    GrSurfaceProxy* fProxy;
58
59    friend class GrSurfaceProxy; // to construct/copy this type.
60};
61
62inline GrSurfaceProxyPriv GrSurfaceProxy::priv() { return GrSurfaceProxyPriv(this); }
63
64inline const GrSurfaceProxyPriv GrSurfaceProxy::priv () const {  // NOLINT(readability-const-return-type)
65    return GrSurfaceProxyPriv(const_cast<GrSurfaceProxy*>(this));
66}
67
68#endif
69