1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef BLUROP_DEFINED
17 #define BLUROP_DEFINED
18 
19 #include "include/core/SkBlurTypes.h"
20 #include "include/gpu/GrBackendSurface.h"
21 #include "include/gpu/GrTypes.h"
22 #include "src/gpu/ops/GrOp.h"
23 
24 class GrOpFlushState;
25 class GrRecordingContext;
26 
27 namespace skgpu::v1 {
28 
29 class BlurOp final : public GrOp {
30 public:
31     DEFINE_OP_CLASS_ID
32 
33     const char* name() const override { return "Blur"; }
34 
35     void visitProxies(const GrVisitProxyFunc& func) const override
36     {
37         func(fProxyView.proxy(), GrMipmapped(false));
38     }
39 private:
40     friend class GrOp; // for ctors
41 
42     BlurOp(GrSurfaceProxyView proxyView, const SkBlurArg& blurArg);
43 
44     CombineResult onCombineIfPossible(GrOp* t, SkArenaAlloc*, const GrCaps& caps) override;
45 
46     void onPrePrepare(GrRecordingContext*, const GrSurfaceProxyView& writeView, GrAppliedClip*,
47                       const GrDstProxyView&, GrXferBarrierFlags renderPassXferBarriers,
48                       GrLoadOp colorLoadOp) override {}
49 
50     void onPrepare(GrOpFlushState*) override {}
51 
52     void onExecute(GrOpFlushState* state, const SkRect& chainBounds) override;
53 
54     GrSurfaceProxyView    fProxyView;
55     SkBlurArg             skBlurArg;
56 };
57 
58 } // namespace skgpu::v1
59 
60 #endif // BLUROP_DEFINED
61