1 /*
2  * Copyright 2015 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 SkImage_Gpu_DEFINED
9 #define SkImage_Gpu_DEFINED
10 
11 #include "GrContext.h"
12 #include "GrGpuResourcePriv.h"
13 #include "GrSurfaceProxyPriv.h"
14 #include "SkGr.h"
15 #include "SkImagePriv.h"
16 #include "SkImage_GpuBase.h"
17 
18 class GrTexture;
19 
20 class SkBitmap;
21 struct SkYUVAIndex;
22 
23 class SkImage_Gpu : public SkImage_GpuBase {
24 public:
25     SkImage_Gpu(sk_sp<GrContext>, uint32_t uniqueID, SkAlphaType, sk_sp<GrTextureProxy>,
26                 sk_sp<SkColorSpace>);
27     ~SkImage_Gpu() override;
28 
29     SkImageInfo onImageInfo() const override;
30 
31     GrTextureProxy* peekProxy() const override {
32         return fProxy.get();
33     }
34     sk_sp<GrTextureProxy> asTextureProxyRef() const override {
35         return fProxy;
36     }
37 
38     virtual bool onIsTextureBacked() const override { return SkToBool(fProxy.get()); }
39 
40     sk_sp<SkImage> onMakeColorTypeAndColorSpace(SkColorType, sk_sp<SkColorSpace>) const final;
41 
42     /**
43      * This is the implementation of SkDeferredDisplayListRecorder::makePromiseImage.
44      */
45     static sk_sp<SkImage> MakePromiseTexture(GrContext* context,
46                                              const GrBackendFormat& backendFormat,
47                                              int width,
48                                              int height,
49                                              GrMipMapped mipMapped,
50                                              GrSurfaceOrigin origin,
51                                              SkColorType colorType,
52                                              SkAlphaType alphaType,
53                                              sk_sp<SkColorSpace> colorSpace,
54                                              PromiseImageTextureFulfillProc textureFulfillProc,
55                                              PromiseImageTextureReleaseProc textureReleaseProc,
56                                              PromiseImageTextureDoneProc textureDoneProc,
57                                              PromiseImageTextureContext textureContext,
58                                              DelayReleaseCallback delayReleaseCallback);
59 
60     static sk_sp<SkImage> ConvertYUVATexturesToRGB(GrContext*, SkYUVColorSpace yuvColorSpace,
61                                                    const GrBackendTexture yuvaTextures[],
62                                                    const SkYUVAIndex yuvaIndices[4],
63                                                    SkISize imageSize, GrSurfaceOrigin imageOrigin,
64                                                    GrRenderTargetContext*);
65 
66 private:
67     sk_sp<GrTextureProxy> fProxy;
68 
69     typedef SkImage_GpuBase INHERITED;
70 };
71 
72 #endif
73