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1 /*
2  * Copyright 2016 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 GrTextureRenderTargetProxy_DEFINED
9 #define GrTextureRenderTargetProxy_DEFINED
10 
11 #include "src/gpu/ganesh/GrRenderTargetProxy.h"
12 #include "src/gpu/ganesh/GrTextureProxy.h"
13 
14 #ifdef SK_BUILD_FOR_WIN
15 // Windows gives warnings about inheriting asTextureProxy/asRenderTargetProxy via dominance.
16 #pragma warning(push)
17 #pragma warning(disable: 4250)
18 #endif
19 
20 // This class delays the acquisition of RenderTargets that are also textures until
21 // they are actually required
22 // Beware: the uniqueID of the TextureRenderTargetProxy will usually be different than
23 // the uniqueID of the RenderTarget/Texture it represents!
24 class GrTextureRenderTargetProxy : public GrRenderTargetProxy, public GrTextureProxy {
25 private:
26     // DDL TODO: rm the GrSurfaceProxy friending
27     friend class GrSurfaceProxy; // for ctors
28     friend class GrProxyProvider; // for ctors
29 
30     // Deferred version
31     GrTextureRenderTargetProxy(const GrCaps&,
32                                const GrBackendFormat&,
33                                SkISize,
34                                int sampleCnt,
35                                GrMipmapped,
36                                GrMipmapStatus,
37                                SkBackingFit,
38                                skgpu::Budgeted,
39                                GrProtected,
40                                GrInternalSurfaceFlags,
41                                UseAllocator,
42                                GrDDLProvider creatingProvider,
43                                std::string_view label);
44 
45     // Lazy-callback version
46     GrTextureRenderTargetProxy(const GrCaps&,
47                                LazyInstantiateCallback&&,
48                                const GrBackendFormat&,
49                                SkISize,
50                                int sampleCnt,
51                                GrMipmapped,
52                                GrMipmapStatus,
53                                SkBackingFit,
54                                skgpu::Budgeted,
55                                GrProtected,
56                                GrInternalSurfaceFlags,
57                                UseAllocator,
58                                GrDDLProvider creatingProvider,
59                                std::string_view label);
60 
61     // Wrapped version
62     GrTextureRenderTargetProxy(sk_sp<GrSurface>,
63                                UseAllocator,
64                                GrDDLProvider creatingProvider);
65 
66     void initSurfaceFlags(const GrCaps&);
67 
68     bool instantiate(GrResourceProvider*) override;
69     sk_sp<GrSurface> createSurface(GrResourceProvider*) const override;
70 
71     size_t onUninstantiatedGpuMemorySize() const override;
72     LazySurfaceDesc callbackDesc() const override;
73     SkDEBUGCODE(void onValidateSurface(const GrSurface*) override;)
74 };
75 
76 #ifdef SK_BUILD_FOR_WIN
77 #pragma warning(pop)
78 #endif
79 
80 #endif
81