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/GrRenderTargetProxy.h"
12#include "src/gpu/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!
24class GrTextureRenderTargetProxy : public GrRenderTargetProxy, public GrTextureProxy {
25private:
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                               SkBudgeted,
39                               GrProtected,
40                               GrInternalSurfaceFlags,
41                               UseAllocator,
42                               GrDDLProvider creatingProvider);
43
44    // Lazy-callback version
45    GrTextureRenderTargetProxy(const GrCaps&,
46                               LazyInstantiateCallback&&,
47                               const GrBackendFormat&,
48                               SkISize,
49                               int sampleCnt,
50                               GrMipmapped,
51                               GrMipmapStatus,
52                               SkBackingFit,
53                               SkBudgeted,
54                               GrProtected,
55                               GrInternalSurfaceFlags,
56                               UseAllocator,
57                               GrDDLProvider creatingProvider);
58
59    // Wrapped version
60    GrTextureRenderTargetProxy(sk_sp<GrSurface>,
61                               UseAllocator,
62                               GrDDLProvider creatingProvider);
63
64    void initSurfaceFlags(const GrCaps&);
65
66    bool instantiate(GrResourceProvider*) override;
67    sk_sp<GrSurface> createSurface(GrResourceProvider*) const override;
68
69    size_t onUninstantiatedGpuMemorySize() const override;
70    LazySurfaceDesc callbackDesc() const override;
71    SkDEBUGCODE(void onValidateSurface(const GrSurface*) override;)
72};
73
74#ifdef SK_BUILD_FOR_WIN
75#pragma warning(pop)
76#endif
77
78#endif
79