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1 /*
2  * Copyright 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include "SkiaGpuContext.h"
20 #include "graphite/Recorder.h"
21 
22 #include <android-base/macros.h>
23 
24 namespace android::renderengine::skia {
25 
26 class GraphiteGpuContext : public SkiaGpuContext {
27 public:
28     GraphiteGpuContext(std::unique_ptr<skgpu::graphite::Context> context);
29     ~GraphiteGpuContext() override;
30 
31     std::shared_ptr<skgpu::graphite::Context> graphiteContext() override;
32     std::shared_ptr<skgpu::graphite::Recorder> graphiteRecorder() override;
33 
34     std::unique_ptr<SkiaBackendTexture> makeBackendTexture(AHardwareBuffer* buffer,
35                                                            bool isOutputBuffer) override;
36 
37     sk_sp<SkSurface> createRenderTarget(SkImageInfo imageInfo) override;
38 
39     size_t getMaxRenderTargetSize() const override;
40     size_t getMaxTextureSize() const override;
41     bool isAbandonedOrDeviceLost() override;
42     // No-op (large resources like textures, surfaces, images, etc. created by clients don't count
43     // towards Graphite's internal caching budgets, so adjusting its limits based on display change
44     // events should be unnecessary. Additionally, Graphite doesn't expose many cache tweaking
45     // functions yet, as its design may evolve.)
setResourceCacheLimit(size_t maxResourceBytes)46     void setResourceCacheLimit(size_t maxResourceBytes) override{};
47 
48     // TODO: b/293371537 - Triple-check and validate that no cleanup is necessary when switching
49     // contexts.
50     // No-op (unnecessary during context switch for Graphite's client-budgeted memory model).
purgeUnlockedScratchResources()51     void purgeUnlockedScratchResources() override{};
52     // No-op (only applicable to GL).
resetContextIfApplicable()53     void resetContextIfApplicable() override{};
54 
55     void dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const override;
56 
57 private:
58     DISALLOW_COPY_AND_ASSIGN(GraphiteGpuContext);
59 
60     std::shared_ptr<skgpu::graphite::Context> mContext;
61     std::shared_ptr<skgpu::graphite::Recorder> mRecorder;
62 };
63 
64 } // namespace android::renderengine::skia
65